PackageManagerService.java revision 9d48a731d0a7c016b58bc9c1afc4acd94200650f
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 101 102import android.Manifest; 103import android.annotation.NonNull; 104import android.annotation.Nullable; 105import android.annotation.UserIdInt; 106import android.app.ActivityManager; 107import android.app.ActivityManagerNative; 108import android.app.IActivityManager; 109import android.app.ResourcesManager; 110import android.app.admin.IDevicePolicyManager; 111import android.app.admin.SecurityLog; 112import android.app.backup.IBackupManager; 113import android.content.BroadcastReceiver; 114import android.content.ComponentName; 115import android.content.Context; 116import android.content.IIntentReceiver; 117import android.content.Intent; 118import android.content.IntentFilter; 119import android.content.IntentSender; 120import android.content.IntentSender.SendIntentException; 121import android.content.ServiceConnection; 122import android.content.pm.ActivityInfo; 123import android.content.pm.ApplicationInfo; 124import android.content.pm.AppsQueryHelper; 125import android.content.pm.ComponentInfo; 126import android.content.pm.EphemeralApplicationInfo; 127import android.content.pm.EphemeralResolveInfo; 128import android.content.pm.EphemeralResolveInfo.EphemeralDigest; 129import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 130import android.content.pm.FeatureInfo; 131import android.content.pm.IOnPermissionsChangeListener; 132import android.content.pm.IPackageDataObserver; 133import android.content.pm.IPackageDeleteObserver; 134import android.content.pm.IPackageDeleteObserver2; 135import android.content.pm.IPackageInstallObserver2; 136import android.content.pm.IPackageInstaller; 137import android.content.pm.IPackageManager; 138import android.content.pm.IPackageMoveObserver; 139import android.content.pm.IPackageStatsObserver; 140import android.content.pm.InstrumentationInfo; 141import android.content.pm.IntentFilterVerificationInfo; 142import android.content.pm.KeySet; 143import android.content.pm.PackageCleanItem; 144import android.content.pm.PackageInfo; 145import android.content.pm.PackageInfoLite; 146import android.content.pm.PackageInstaller; 147import android.content.pm.PackageManager; 148import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 149import android.content.pm.PackageManagerInternal; 150import android.content.pm.PackageParser; 151import android.content.pm.PackageParser.ActivityIntentInfo; 152import android.content.pm.PackageParser.PackageLite; 153import android.content.pm.PackageParser.PackageParserException; 154import android.content.pm.PackageStats; 155import android.content.pm.PackageUserState; 156import android.content.pm.ParceledListSlice; 157import android.content.pm.PermissionGroupInfo; 158import android.content.pm.PermissionInfo; 159import android.content.pm.ProviderInfo; 160import android.content.pm.ResolveInfo; 161import android.content.pm.ServiceInfo; 162import android.content.pm.Signature; 163import android.content.pm.UserInfo; 164import android.content.pm.VerifierDeviceIdentity; 165import android.content.pm.VerifierInfo; 166import android.content.res.Resources; 167import android.graphics.Bitmap; 168import android.hardware.display.DisplayManager; 169import android.net.Uri; 170import android.os.Binder; 171import android.os.Build; 172import android.os.Bundle; 173import android.os.Debug; 174import android.os.Environment; 175import android.os.Environment.UserEnvironment; 176import android.os.FileUtils; 177import android.os.Handler; 178import android.os.IBinder; 179import android.os.Looper; 180import android.os.Message; 181import android.os.Parcel; 182import android.os.ParcelFileDescriptor; 183import android.os.Process; 184import android.os.RemoteCallbackList; 185import android.os.RemoteException; 186import android.os.ResultReceiver; 187import android.os.SELinux; 188import android.os.ServiceManager; 189import android.os.SystemClock; 190import android.os.SystemProperties; 191import android.os.Trace; 192import android.os.UserHandle; 193import android.os.UserManager; 194import android.os.UserManagerInternal; 195import android.os.storage.IMountService; 196import android.os.storage.MountServiceInternal; 197import android.os.storage.StorageEventListener; 198import android.os.storage.StorageManager; 199import android.os.storage.VolumeInfo; 200import android.os.storage.VolumeRecord; 201import android.provider.Settings.Global; 202import android.security.KeyStore; 203import android.security.SystemKeyStore; 204import android.system.ErrnoException; 205import android.system.Os; 206import android.text.TextUtils; 207import android.text.format.DateUtils; 208import android.util.ArrayMap; 209import android.util.ArraySet; 210import android.util.AtomicFile; 211import android.util.DisplayMetrics; 212import android.util.EventLog; 213import android.util.ExceptionUtils; 214import android.util.Log; 215import android.util.LogPrinter; 216import android.util.MathUtils; 217import android.util.PrintStreamPrinter; 218import android.util.Slog; 219import android.util.SparseArray; 220import android.util.SparseBooleanArray; 221import android.util.SparseIntArray; 222import android.util.Xml; 223import android.util.jar.StrictJarFile; 224import android.view.Display; 225 226import com.android.internal.R; 227import com.android.internal.annotations.GuardedBy; 228import com.android.internal.app.IMediaContainerService; 229import com.android.internal.app.ResolverActivity; 230import com.android.internal.content.NativeLibraryHelper; 231import com.android.internal.content.PackageHelper; 232import com.android.internal.logging.MetricsLogger; 233import com.android.internal.os.IParcelFileDescriptorFactory; 234import com.android.internal.os.InstallerConnection.InstallerException; 235import com.android.internal.os.SomeArgs; 236import com.android.internal.os.Zygote; 237import com.android.internal.telephony.CarrierAppUtils; 238import com.android.internal.util.ArrayUtils; 239import com.android.internal.util.FastPrintWriter; 240import com.android.internal.util.FastXmlSerializer; 241import com.android.internal.util.IndentingPrintWriter; 242import com.android.internal.util.Preconditions; 243import com.android.internal.util.XmlUtils; 244import com.android.server.AttributeCache; 245import com.android.server.EventLogTags; 246import com.android.server.FgThread; 247import com.android.server.IntentResolver; 248import com.android.server.LocalServices; 249import com.android.server.ServiceThread; 250import com.android.server.SystemConfig; 251import com.android.server.Watchdog; 252import com.android.server.net.NetworkPolicyManagerInternal; 253import com.android.server.pm.PermissionsState.PermissionState; 254import com.android.server.pm.Settings.DatabaseVersion; 255import com.android.server.pm.Settings.VersionInfo; 256import com.android.server.storage.DeviceStorageMonitorInternal; 257 258import dalvik.system.CloseGuard; 259import dalvik.system.DexFile; 260import dalvik.system.VMRuntime; 261 262import libcore.io.IoUtils; 263import libcore.util.EmptyArray; 264 265import org.xmlpull.v1.XmlPullParser; 266import org.xmlpull.v1.XmlPullParserException; 267import org.xmlpull.v1.XmlSerializer; 268 269import java.io.BufferedInputStream; 270import java.io.BufferedOutputStream; 271import java.io.BufferedReader; 272import java.io.ByteArrayInputStream; 273import java.io.ByteArrayOutputStream; 274import java.io.File; 275import java.io.FileDescriptor; 276import java.io.FileInputStream; 277import java.io.FileNotFoundException; 278import java.io.FileOutputStream; 279import java.io.FileReader; 280import java.io.FilenameFilter; 281import java.io.IOException; 282import java.io.InputStream; 283import java.io.PrintWriter; 284import java.nio.charset.StandardCharsets; 285import java.security.DigestInputStream; 286import java.security.MessageDigest; 287import java.security.NoSuchAlgorithmException; 288import java.security.PublicKey; 289import java.security.cert.Certificate; 290import java.security.cert.CertificateEncodingException; 291import java.security.cert.CertificateException; 292import java.text.SimpleDateFormat; 293import java.util.ArrayList; 294import java.util.Arrays; 295import java.util.Collection; 296import java.util.Collections; 297import java.util.Comparator; 298import java.util.Date; 299import java.util.HashSet; 300import java.util.Iterator; 301import java.util.List; 302import java.util.Map; 303import java.util.Objects; 304import java.util.Set; 305import java.util.concurrent.CountDownLatch; 306import java.util.concurrent.TimeUnit; 307import java.util.concurrent.atomic.AtomicBoolean; 308import java.util.concurrent.atomic.AtomicInteger; 309import java.util.concurrent.atomic.AtomicLong; 310 311/** 312 * Keep track of all those APKs everywhere. 313 * <p> 314 * Internally there are two important locks: 315 * <ul> 316 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 317 * and other related state. It is a fine-grained lock that should only be held 318 * momentarily, as it's one of the most contended locks in the system. 319 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 320 * operations typically involve heavy lifting of application data on disk. Since 321 * {@code installd} is single-threaded, and it's operations can often be slow, 322 * this lock should never be acquired while already holding {@link #mPackages}. 323 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 324 * holding {@link #mInstallLock}. 325 * </ul> 326 * Many internal methods rely on the caller to hold the appropriate locks, and 327 * this contract is expressed through method name suffixes: 328 * <ul> 329 * <li>fooLI(): the caller must hold {@link #mInstallLock} 330 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 331 * being modified must be frozen 332 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 333 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 334 * </ul> 335 * <p> 336 * Because this class is very central to the platform's security; please run all 337 * CTS and unit tests whenever making modifications: 338 * 339 * <pre> 340 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 341 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 342 * </pre> 343 */ 344public class PackageManagerService extends IPackageManager.Stub { 345 static final String TAG = "PackageManager"; 346 static final boolean DEBUG_SETTINGS = false; 347 static final boolean DEBUG_PREFERRED = false; 348 static final boolean DEBUG_UPGRADE = false; 349 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 350 private static final boolean DEBUG_BACKUP = false; 351 private static final boolean DEBUG_INSTALL = false; 352 private static final boolean DEBUG_REMOVE = false; 353 private static final boolean DEBUG_BROADCASTS = false; 354 private static final boolean DEBUG_SHOW_INFO = false; 355 private static final boolean DEBUG_PACKAGE_INFO = false; 356 private static final boolean DEBUG_INTENT_MATCHING = false; 357 private static final boolean DEBUG_PACKAGE_SCANNING = false; 358 private static final boolean DEBUG_VERIFY = false; 359 private static final boolean DEBUG_FILTERS = false; 360 361 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 362 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 363 // user, but by default initialize to this. 364 static final boolean DEBUG_DEXOPT = false; 365 366 private static final boolean DEBUG_ABI_SELECTION = false; 367 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 368 private static final boolean DEBUG_TRIAGED_MISSING = false; 369 private static final boolean DEBUG_APP_DATA = false; 370 371 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 372 373 private static final boolean DISABLE_EPHEMERAL_APPS = !Build.IS_DEBUGGABLE; 374 375 private static final int RADIO_UID = Process.PHONE_UID; 376 private static final int LOG_UID = Process.LOG_UID; 377 private static final int NFC_UID = Process.NFC_UID; 378 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 379 private static final int SHELL_UID = Process.SHELL_UID; 380 381 // Cap the size of permission trees that 3rd party apps can define 382 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 383 384 // Suffix used during package installation when copying/moving 385 // package apks to install directory. 386 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 387 388 static final int SCAN_NO_DEX = 1<<1; 389 static final int SCAN_FORCE_DEX = 1<<2; 390 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 391 static final int SCAN_NEW_INSTALL = 1<<4; 392 static final int SCAN_NO_PATHS = 1<<5; 393 static final int SCAN_UPDATE_TIME = 1<<6; 394 static final int SCAN_DEFER_DEX = 1<<7; 395 static final int SCAN_BOOTING = 1<<8; 396 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 397 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 398 static final int SCAN_REPLACING = 1<<11; 399 static final int SCAN_REQUIRE_KNOWN = 1<<12; 400 static final int SCAN_MOVE = 1<<13; 401 static final int SCAN_INITIAL = 1<<14; 402 static final int SCAN_CHECK_ONLY = 1<<15; 403 static final int SCAN_DONT_KILL_APP = 1<<17; 404 static final int SCAN_IGNORE_FROZEN = 1<<18; 405 406 static final int REMOVE_CHATTY = 1<<16; 407 408 private static final int[] EMPTY_INT_ARRAY = new int[0]; 409 410 /** 411 * Timeout (in milliseconds) after which the watchdog should declare that 412 * our handler thread is wedged. The usual default for such things is one 413 * minute but we sometimes do very lengthy I/O operations on this thread, 414 * such as installing multi-gigabyte applications, so ours needs to be longer. 415 */ 416 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 417 418 /** 419 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 420 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 421 * settings entry if available, otherwise we use the hardcoded default. If it's been 422 * more than this long since the last fstrim, we force one during the boot sequence. 423 * 424 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 425 * one gets run at the next available charging+idle time. This final mandatory 426 * no-fstrim check kicks in only of the other scheduling criteria is never met. 427 */ 428 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 429 430 /** 431 * Whether verification is enabled by default. 432 */ 433 private static final boolean DEFAULT_VERIFY_ENABLE = true; 434 435 /** 436 * The default maximum time to wait for the verification agent to return in 437 * milliseconds. 438 */ 439 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 440 441 /** 442 * The default response for package verification timeout. 443 * 444 * This can be either PackageManager.VERIFICATION_ALLOW or 445 * PackageManager.VERIFICATION_REJECT. 446 */ 447 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 448 449 static final String PLATFORM_PACKAGE_NAME = "android"; 450 451 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 452 453 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 454 DEFAULT_CONTAINER_PACKAGE, 455 "com.android.defcontainer.DefaultContainerService"); 456 457 private static final String KILL_APP_REASON_GIDS_CHANGED = 458 "permission grant or revoke changed gids"; 459 460 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 461 "permissions revoked"; 462 463 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 464 465 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 466 467 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_MASK = 0xFFFFF000; 468 private static int DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT = 5; 469 470 /** Permission grant: not grant the permission. */ 471 private static final int GRANT_DENIED = 1; 472 473 /** Permission grant: grant the permission as an install permission. */ 474 private static final int GRANT_INSTALL = 2; 475 476 /** Permission grant: grant the permission as a runtime one. */ 477 private static final int GRANT_RUNTIME = 3; 478 479 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 480 private static final int GRANT_UPGRADE = 4; 481 482 /** Canonical intent used to identify what counts as a "web browser" app */ 483 private static final Intent sBrowserIntent; 484 static { 485 sBrowserIntent = new Intent(); 486 sBrowserIntent.setAction(Intent.ACTION_VIEW); 487 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 488 sBrowserIntent.setData(Uri.parse("http:")); 489 } 490 491 /** 492 * The set of all protected actions [i.e. those actions for which a high priority 493 * intent filter is disallowed]. 494 */ 495 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 496 static { 497 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 498 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 499 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 500 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 501 } 502 503 // Compilation reasons. 504 public static final int REASON_FIRST_BOOT = 0; 505 public static final int REASON_BOOT = 1; 506 public static final int REASON_INSTALL = 2; 507 public static final int REASON_BACKGROUND_DEXOPT = 3; 508 public static final int REASON_AB_OTA = 4; 509 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 510 public static final int REASON_SHARED_APK = 6; 511 public static final int REASON_FORCED_DEXOPT = 7; 512 public static final int REASON_CORE_APP = 8; 513 514 public static final int REASON_LAST = REASON_CORE_APP; 515 516 /** Special library name that skips shared libraries check during compilation. */ 517 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 518 519 final ServiceThread mHandlerThread; 520 521 final PackageHandler mHandler; 522 523 private final ProcessLoggingHandler mProcessLoggingHandler; 524 525 /** 526 * Messages for {@link #mHandler} that need to wait for system ready before 527 * being dispatched. 528 */ 529 private ArrayList<Message> mPostSystemReadyMessages; 530 531 final int mSdkVersion = Build.VERSION.SDK_INT; 532 533 final Context mContext; 534 final boolean mFactoryTest; 535 final boolean mOnlyCore; 536 final DisplayMetrics mMetrics; 537 final int mDefParseFlags; 538 final String[] mSeparateProcesses; 539 final boolean mIsUpgrade; 540 final boolean mIsPreNUpgrade; 541 542 /** The location for ASEC container files on internal storage. */ 543 final String mAsecInternalPath; 544 545 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 546 // LOCK HELD. Can be called with mInstallLock held. 547 @GuardedBy("mInstallLock") 548 final Installer mInstaller; 549 550 /** Directory where installed third-party apps stored */ 551 final File mAppInstallDir; 552 final File mEphemeralInstallDir; 553 554 /** 555 * Directory to which applications installed internally have their 556 * 32 bit native libraries copied. 557 */ 558 private File mAppLib32InstallDir; 559 560 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 561 // apps. 562 final File mDrmAppPrivateInstallDir; 563 564 // ---------------------------------------------------------------- 565 566 // Lock for state used when installing and doing other long running 567 // operations. Methods that must be called with this lock held have 568 // the suffix "LI". 569 final Object mInstallLock = new Object(); 570 571 // ---------------------------------------------------------------- 572 573 // Keys are String (package name), values are Package. This also serves 574 // as the lock for the global state. Methods that must be called with 575 // this lock held have the prefix "LP". 576 @GuardedBy("mPackages") 577 final ArrayMap<String, PackageParser.Package> mPackages = 578 new ArrayMap<String, PackageParser.Package>(); 579 580 final ArrayMap<String, Set<String>> mKnownCodebase = 581 new ArrayMap<String, Set<String>>(); 582 583 // Tracks available target package names -> overlay package paths. 584 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 585 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 586 587 /** 588 * Tracks new system packages [received in an OTA] that we expect to 589 * find updated user-installed versions. Keys are package name, values 590 * are package location. 591 */ 592 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 593 /** 594 * Tracks high priority intent filters for protected actions. During boot, certain 595 * filter actions are protected and should never be allowed to have a high priority 596 * intent filter for them. However, there is one, and only one exception -- the 597 * setup wizard. It must be able to define a high priority intent filter for these 598 * actions to ensure there are no escapes from the wizard. We need to delay processing 599 * of these during boot as we need to look at all of the system packages in order 600 * to know which component is the setup wizard. 601 */ 602 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 603 /** 604 * Whether or not processing protected filters should be deferred. 605 */ 606 private boolean mDeferProtectedFilters = true; 607 608 /** 609 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 610 */ 611 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 612 /** 613 * Whether or not system app permissions should be promoted from install to runtime. 614 */ 615 boolean mPromoteSystemApps; 616 617 @GuardedBy("mPackages") 618 final Settings mSettings; 619 620 /** 621 * Set of package names that are currently "frozen", which means active 622 * surgery is being done on the code/data for that package. The platform 623 * will refuse to launch frozen packages to avoid race conditions. 624 * 625 * @see PackageFreezer 626 */ 627 @GuardedBy("mPackages") 628 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 629 630 final ProtectedPackages mProtectedPackages; 631 632 boolean mRestoredSettings; 633 634 // System configuration read by SystemConfig. 635 final int[] mGlobalGids; 636 final SparseArray<ArraySet<String>> mSystemPermissions; 637 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 638 639 // If mac_permissions.xml was found for seinfo labeling. 640 boolean mFoundPolicyFile; 641 642 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 643 644 public static final class SharedLibraryEntry { 645 public final String path; 646 public final String apk; 647 648 SharedLibraryEntry(String _path, String _apk) { 649 path = _path; 650 apk = _apk; 651 } 652 } 653 654 // Currently known shared libraries. 655 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 656 new ArrayMap<String, SharedLibraryEntry>(); 657 658 // All available activities, for your resolving pleasure. 659 final ActivityIntentResolver mActivities = 660 new ActivityIntentResolver(); 661 662 // All available receivers, for your resolving pleasure. 663 final ActivityIntentResolver mReceivers = 664 new ActivityIntentResolver(); 665 666 // All available services, for your resolving pleasure. 667 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 668 669 // All available providers, for your resolving pleasure. 670 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 671 672 // Mapping from provider base names (first directory in content URI codePath) 673 // to the provider information. 674 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 675 new ArrayMap<String, PackageParser.Provider>(); 676 677 // Mapping from instrumentation class names to info about them. 678 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 679 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 680 681 // Mapping from permission names to info about them. 682 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 683 new ArrayMap<String, PackageParser.PermissionGroup>(); 684 685 // Packages whose data we have transfered into another package, thus 686 // should no longer exist. 687 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 688 689 // Broadcast actions that are only available to the system. 690 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 691 692 /** List of packages waiting for verification. */ 693 final SparseArray<PackageVerificationState> mPendingVerification 694 = new SparseArray<PackageVerificationState>(); 695 696 /** Set of packages associated with each app op permission. */ 697 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 698 699 final PackageInstallerService mInstallerService; 700 701 private final PackageDexOptimizer mPackageDexOptimizer; 702 703 private AtomicInteger mNextMoveId = new AtomicInteger(); 704 private final MoveCallbacks mMoveCallbacks; 705 706 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 707 708 // Cache of users who need badging. 709 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 710 711 /** Token for keys in mPendingVerification. */ 712 private int mPendingVerificationToken = 0; 713 714 volatile boolean mSystemReady; 715 volatile boolean mSafeMode; 716 volatile boolean mHasSystemUidErrors; 717 718 ApplicationInfo mAndroidApplication; 719 final ActivityInfo mResolveActivity = new ActivityInfo(); 720 final ResolveInfo mResolveInfo = new ResolveInfo(); 721 ComponentName mResolveComponentName; 722 PackageParser.Package mPlatformPackage; 723 ComponentName mCustomResolverComponentName; 724 725 boolean mResolverReplaced = false; 726 727 private final @Nullable ComponentName mIntentFilterVerifierComponent; 728 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 729 730 private int mIntentFilterVerificationToken = 0; 731 732 /** Component that knows whether or not an ephemeral application exists */ 733 final ComponentName mEphemeralResolverComponent; 734 /** The service connection to the ephemeral resolver */ 735 final EphemeralResolverConnection mEphemeralResolverConnection; 736 737 /** Component used to install ephemeral applications */ 738 final ComponentName mEphemeralInstallerComponent; 739 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 740 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 741 742 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 743 = new SparseArray<IntentFilterVerificationState>(); 744 745 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 746 new DefaultPermissionGrantPolicy(this); 747 748 // List of packages names to keep cached, even if they are uninstalled for all users 749 private List<String> mKeepUninstalledPackages; 750 751 private UserManagerInternal mUserManagerInternal; 752 753 private static class IFVerificationParams { 754 PackageParser.Package pkg; 755 boolean replacing; 756 int userId; 757 int verifierUid; 758 759 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 760 int _userId, int _verifierUid) { 761 pkg = _pkg; 762 replacing = _replacing; 763 userId = _userId; 764 replacing = _replacing; 765 verifierUid = _verifierUid; 766 } 767 } 768 769 private interface IntentFilterVerifier<T extends IntentFilter> { 770 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 771 T filter, String packageName); 772 void startVerifications(int userId); 773 void receiveVerificationResponse(int verificationId); 774 } 775 776 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 777 private Context mContext; 778 private ComponentName mIntentFilterVerifierComponent; 779 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 780 781 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 782 mContext = context; 783 mIntentFilterVerifierComponent = verifierComponent; 784 } 785 786 private String getDefaultScheme() { 787 return IntentFilter.SCHEME_HTTPS; 788 } 789 790 @Override 791 public void startVerifications(int userId) { 792 // Launch verifications requests 793 int count = mCurrentIntentFilterVerifications.size(); 794 for (int n=0; n<count; n++) { 795 int verificationId = mCurrentIntentFilterVerifications.get(n); 796 final IntentFilterVerificationState ivs = 797 mIntentFilterVerificationStates.get(verificationId); 798 799 String packageName = ivs.getPackageName(); 800 801 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 802 final int filterCount = filters.size(); 803 ArraySet<String> domainsSet = new ArraySet<>(); 804 for (int m=0; m<filterCount; m++) { 805 PackageParser.ActivityIntentInfo filter = filters.get(m); 806 domainsSet.addAll(filter.getHostsList()); 807 } 808 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 809 synchronized (mPackages) { 810 if (mSettings.createIntentFilterVerificationIfNeededLPw( 811 packageName, domainsList) != null) { 812 scheduleWriteSettingsLocked(); 813 } 814 } 815 sendVerificationRequest(userId, verificationId, ivs); 816 } 817 mCurrentIntentFilterVerifications.clear(); 818 } 819 820 private void sendVerificationRequest(int userId, int verificationId, 821 IntentFilterVerificationState ivs) { 822 823 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 824 verificationIntent.putExtra( 825 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 826 verificationId); 827 verificationIntent.putExtra( 828 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 829 getDefaultScheme()); 830 verificationIntent.putExtra( 831 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 832 ivs.getHostsString()); 833 verificationIntent.putExtra( 834 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 835 ivs.getPackageName()); 836 verificationIntent.setComponent(mIntentFilterVerifierComponent); 837 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 838 839 UserHandle user = new UserHandle(userId); 840 mContext.sendBroadcastAsUser(verificationIntent, user); 841 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 842 "Sending IntentFilter verification broadcast"); 843 } 844 845 public void receiveVerificationResponse(int verificationId) { 846 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 847 848 final boolean verified = ivs.isVerified(); 849 850 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 851 final int count = filters.size(); 852 if (DEBUG_DOMAIN_VERIFICATION) { 853 Slog.i(TAG, "Received verification response " + verificationId 854 + " for " + count + " filters, verified=" + verified); 855 } 856 for (int n=0; n<count; n++) { 857 PackageParser.ActivityIntentInfo filter = filters.get(n); 858 filter.setVerified(verified); 859 860 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 861 + " verified with result:" + verified + " and hosts:" 862 + ivs.getHostsString()); 863 } 864 865 mIntentFilterVerificationStates.remove(verificationId); 866 867 final String packageName = ivs.getPackageName(); 868 IntentFilterVerificationInfo ivi = null; 869 870 synchronized (mPackages) { 871 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 872 } 873 if (ivi == null) { 874 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 875 + verificationId + " packageName:" + packageName); 876 return; 877 } 878 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 879 "Updating IntentFilterVerificationInfo for package " + packageName 880 +" verificationId:" + verificationId); 881 882 synchronized (mPackages) { 883 if (verified) { 884 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 885 } else { 886 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 887 } 888 scheduleWriteSettingsLocked(); 889 890 final int userId = ivs.getUserId(); 891 if (userId != UserHandle.USER_ALL) { 892 final int userStatus = 893 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 894 895 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 896 boolean needUpdate = false; 897 898 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 899 // already been set by the User thru the Disambiguation dialog 900 switch (userStatus) { 901 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 902 if (verified) { 903 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 904 } else { 905 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 906 } 907 needUpdate = true; 908 break; 909 910 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 911 if (verified) { 912 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 913 needUpdate = true; 914 } 915 break; 916 917 default: 918 // Nothing to do 919 } 920 921 if (needUpdate) { 922 mSettings.updateIntentFilterVerificationStatusLPw( 923 packageName, updatedStatus, userId); 924 scheduleWritePackageRestrictionsLocked(userId); 925 } 926 } 927 } 928 } 929 930 @Override 931 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 932 ActivityIntentInfo filter, String packageName) { 933 if (!hasValidDomains(filter)) { 934 return false; 935 } 936 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 937 if (ivs == null) { 938 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 939 packageName); 940 } 941 if (DEBUG_DOMAIN_VERIFICATION) { 942 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 943 } 944 ivs.addFilter(filter); 945 return true; 946 } 947 948 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 949 int userId, int verificationId, String packageName) { 950 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 951 verifierUid, userId, packageName); 952 ivs.setPendingState(); 953 synchronized (mPackages) { 954 mIntentFilterVerificationStates.append(verificationId, ivs); 955 mCurrentIntentFilterVerifications.add(verificationId); 956 } 957 return ivs; 958 } 959 } 960 961 private static boolean hasValidDomains(ActivityIntentInfo filter) { 962 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 963 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 964 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 965 } 966 967 // Set of pending broadcasts for aggregating enable/disable of components. 968 static class PendingPackageBroadcasts { 969 // for each user id, a map of <package name -> components within that package> 970 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 971 972 public PendingPackageBroadcasts() { 973 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 974 } 975 976 public ArrayList<String> get(int userId, String packageName) { 977 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 978 return packages.get(packageName); 979 } 980 981 public void put(int userId, String packageName, ArrayList<String> components) { 982 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 983 packages.put(packageName, components); 984 } 985 986 public void remove(int userId, String packageName) { 987 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 988 if (packages != null) { 989 packages.remove(packageName); 990 } 991 } 992 993 public void remove(int userId) { 994 mUidMap.remove(userId); 995 } 996 997 public int userIdCount() { 998 return mUidMap.size(); 999 } 1000 1001 public int userIdAt(int n) { 1002 return mUidMap.keyAt(n); 1003 } 1004 1005 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1006 return mUidMap.get(userId); 1007 } 1008 1009 public int size() { 1010 // total number of pending broadcast entries across all userIds 1011 int num = 0; 1012 for (int i = 0; i< mUidMap.size(); i++) { 1013 num += mUidMap.valueAt(i).size(); 1014 } 1015 return num; 1016 } 1017 1018 public void clear() { 1019 mUidMap.clear(); 1020 } 1021 1022 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1023 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1024 if (map == null) { 1025 map = new ArrayMap<String, ArrayList<String>>(); 1026 mUidMap.put(userId, map); 1027 } 1028 return map; 1029 } 1030 } 1031 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1032 1033 // Service Connection to remote media container service to copy 1034 // package uri's from external media onto secure containers 1035 // or internal storage. 1036 private IMediaContainerService mContainerService = null; 1037 1038 static final int SEND_PENDING_BROADCAST = 1; 1039 static final int MCS_BOUND = 3; 1040 static final int END_COPY = 4; 1041 static final int INIT_COPY = 5; 1042 static final int MCS_UNBIND = 6; 1043 static final int START_CLEANING_PACKAGE = 7; 1044 static final int FIND_INSTALL_LOC = 8; 1045 static final int POST_INSTALL = 9; 1046 static final int MCS_RECONNECT = 10; 1047 static final int MCS_GIVE_UP = 11; 1048 static final int UPDATED_MEDIA_STATUS = 12; 1049 static final int WRITE_SETTINGS = 13; 1050 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1051 static final int PACKAGE_VERIFIED = 15; 1052 static final int CHECK_PENDING_VERIFICATION = 16; 1053 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1054 static final int INTENT_FILTER_VERIFIED = 18; 1055 static final int WRITE_PACKAGE_LIST = 19; 1056 1057 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1058 1059 // Delay time in millisecs 1060 static final int BROADCAST_DELAY = 10 * 1000; 1061 1062 static UserManagerService sUserManager; 1063 1064 // Stores a list of users whose package restrictions file needs to be updated 1065 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1066 1067 final private DefaultContainerConnection mDefContainerConn = 1068 new DefaultContainerConnection(); 1069 class DefaultContainerConnection implements ServiceConnection { 1070 public void onServiceConnected(ComponentName name, IBinder service) { 1071 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1072 IMediaContainerService imcs = 1073 IMediaContainerService.Stub.asInterface(service); 1074 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1075 } 1076 1077 public void onServiceDisconnected(ComponentName name) { 1078 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1079 } 1080 } 1081 1082 // Recordkeeping of restore-after-install operations that are currently in flight 1083 // between the Package Manager and the Backup Manager 1084 static class PostInstallData { 1085 public InstallArgs args; 1086 public PackageInstalledInfo res; 1087 1088 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1089 args = _a; 1090 res = _r; 1091 } 1092 } 1093 1094 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1095 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1096 1097 // XML tags for backup/restore of various bits of state 1098 private static final String TAG_PREFERRED_BACKUP = "pa"; 1099 private static final String TAG_DEFAULT_APPS = "da"; 1100 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1101 1102 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1103 private static final String TAG_ALL_GRANTS = "rt-grants"; 1104 private static final String TAG_GRANT = "grant"; 1105 private static final String ATTR_PACKAGE_NAME = "pkg"; 1106 1107 private static final String TAG_PERMISSION = "perm"; 1108 private static final String ATTR_PERMISSION_NAME = "name"; 1109 private static final String ATTR_IS_GRANTED = "g"; 1110 private static final String ATTR_USER_SET = "set"; 1111 private static final String ATTR_USER_FIXED = "fixed"; 1112 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1113 1114 // System/policy permission grants are not backed up 1115 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1116 FLAG_PERMISSION_POLICY_FIXED 1117 | FLAG_PERMISSION_SYSTEM_FIXED 1118 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1119 1120 // And we back up these user-adjusted states 1121 private static final int USER_RUNTIME_GRANT_MASK = 1122 FLAG_PERMISSION_USER_SET 1123 | FLAG_PERMISSION_USER_FIXED 1124 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1125 1126 final @Nullable String mRequiredVerifierPackage; 1127 final @NonNull String mRequiredInstallerPackage; 1128 final @Nullable String mSetupWizardPackage; 1129 final @NonNull String mServicesSystemSharedLibraryPackageName; 1130 final @NonNull String mSharedSystemSharedLibraryPackageName; 1131 1132 private final PackageUsage mPackageUsage = new PackageUsage(); 1133 1134 private class PackageUsage { 1135 private static final int WRITE_INTERVAL 1136 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1137 1138 private final Object mFileLock = new Object(); 1139 private final AtomicLong mLastWritten = new AtomicLong(0); 1140 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1141 1142 private boolean mIsHistoricalPackageUsageAvailable = true; 1143 1144 boolean isHistoricalPackageUsageAvailable() { 1145 return mIsHistoricalPackageUsageAvailable; 1146 } 1147 1148 void write(boolean force) { 1149 if (force) { 1150 writeInternal(); 1151 return; 1152 } 1153 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1154 && !DEBUG_DEXOPT) { 1155 return; 1156 } 1157 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1158 new Thread("PackageUsage_DiskWriter") { 1159 @Override 1160 public void run() { 1161 try { 1162 writeInternal(); 1163 } finally { 1164 mBackgroundWriteRunning.set(false); 1165 } 1166 } 1167 }.start(); 1168 } 1169 } 1170 1171 private void writeInternal() { 1172 synchronized (mPackages) { 1173 synchronized (mFileLock) { 1174 AtomicFile file = getFile(); 1175 FileOutputStream f = null; 1176 try { 1177 f = file.startWrite(); 1178 BufferedOutputStream out = new BufferedOutputStream(f); 1179 FileUtils.setPermissions(file.getBaseFile().getPath(), 1180 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1181 StringBuilder sb = new StringBuilder(); 1182 1183 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1184 sb.append('\n'); 1185 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1186 1187 for (PackageParser.Package pkg : mPackages.values()) { 1188 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1189 continue; 1190 } 1191 sb.setLength(0); 1192 sb.append(pkg.packageName); 1193 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1194 sb.append(' '); 1195 sb.append(usageTimeInMillis); 1196 } 1197 sb.append('\n'); 1198 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1199 } 1200 out.flush(); 1201 file.finishWrite(f); 1202 } catch (IOException e) { 1203 if (f != null) { 1204 file.failWrite(f); 1205 } 1206 Log.e(TAG, "Failed to write package usage times", e); 1207 } 1208 } 1209 } 1210 mLastWritten.set(SystemClock.elapsedRealtime()); 1211 } 1212 1213 void readLP() { 1214 synchronized (mFileLock) { 1215 AtomicFile file = getFile(); 1216 BufferedInputStream in = null; 1217 try { 1218 in = new BufferedInputStream(file.openRead()); 1219 StringBuffer sb = new StringBuffer(); 1220 1221 String firstLine = readLine(in, sb); 1222 if (firstLine == null) { 1223 // Empty file. Do nothing. 1224 } else if (USAGE_FILE_MAGIC_VERSION_1.equals(firstLine)) { 1225 readVersion1LP(in, sb); 1226 } else { 1227 readVersion0LP(in, sb, firstLine); 1228 } 1229 } catch (FileNotFoundException expected) { 1230 mIsHistoricalPackageUsageAvailable = false; 1231 } catch (IOException e) { 1232 Log.w(TAG, "Failed to read package usage times", e); 1233 } finally { 1234 IoUtils.closeQuietly(in); 1235 } 1236 } 1237 mLastWritten.set(SystemClock.elapsedRealtime()); 1238 } 1239 1240 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1241 throws IOException { 1242 // Initial version of the file had no version number and stored one 1243 // package-timestamp pair per line. 1244 // Note that the first line has already been read from the InputStream. 1245 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1246 String[] tokens = line.split(" "); 1247 if (tokens.length != 2) { 1248 throw new IOException("Failed to parse " + line + 1249 " as package-timestamp pair."); 1250 } 1251 1252 String packageName = tokens[0]; 1253 PackageParser.Package pkg = mPackages.get(packageName); 1254 if (pkg == null) { 1255 continue; 1256 } 1257 1258 long timestamp = parseAsLong(tokens[1]); 1259 for (int reason = 0; 1260 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1261 reason++) { 1262 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1263 } 1264 } 1265 } 1266 1267 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1268 // Version 1 of the file started with the corresponding version 1269 // number and then stored a package name and eight timestamps per line. 1270 String line; 1271 while ((line = readLine(in, sb)) != null) { 1272 String[] tokens = line.split(" "); 1273 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1274 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1275 } 1276 1277 String packageName = tokens[0]; 1278 PackageParser.Package pkg = mPackages.get(packageName); 1279 if (pkg == null) { 1280 continue; 1281 } 1282 1283 for (int reason = 0; 1284 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1285 reason++) { 1286 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1287 } 1288 } 1289 } 1290 1291 private long parseAsLong(String token) throws IOException { 1292 try { 1293 return Long.parseLong(token); 1294 } catch (NumberFormatException e) { 1295 throw new IOException("Failed to parse " + token + " as a long.", e); 1296 } 1297 } 1298 1299 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1300 return readToken(in, sb, '\n'); 1301 } 1302 1303 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1304 throws IOException { 1305 sb.setLength(0); 1306 while (true) { 1307 int ch = in.read(); 1308 if (ch == -1) { 1309 if (sb.length() == 0) { 1310 return null; 1311 } 1312 throw new IOException("Unexpected EOF"); 1313 } 1314 if (ch == endOfToken) { 1315 return sb.toString(); 1316 } 1317 sb.append((char)ch); 1318 } 1319 } 1320 1321 private AtomicFile getFile() { 1322 File dataDir = Environment.getDataDirectory(); 1323 File systemDir = new File(dataDir, "system"); 1324 File fname = new File(systemDir, "package-usage.list"); 1325 return new AtomicFile(fname); 1326 } 1327 1328 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1329 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1330 } 1331 1332 class PackageHandler extends Handler { 1333 private boolean mBound = false; 1334 final ArrayList<HandlerParams> mPendingInstalls = 1335 new ArrayList<HandlerParams>(); 1336 1337 private boolean connectToService() { 1338 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1339 " DefaultContainerService"); 1340 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1341 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1342 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1343 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1344 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1345 mBound = true; 1346 return true; 1347 } 1348 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1349 return false; 1350 } 1351 1352 private void disconnectService() { 1353 mContainerService = null; 1354 mBound = false; 1355 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1356 mContext.unbindService(mDefContainerConn); 1357 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1358 } 1359 1360 PackageHandler(Looper looper) { 1361 super(looper); 1362 } 1363 1364 public void handleMessage(Message msg) { 1365 try { 1366 doHandleMessage(msg); 1367 } finally { 1368 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1369 } 1370 } 1371 1372 void doHandleMessage(Message msg) { 1373 switch (msg.what) { 1374 case INIT_COPY: { 1375 HandlerParams params = (HandlerParams) msg.obj; 1376 int idx = mPendingInstalls.size(); 1377 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1378 // If a bind was already initiated we dont really 1379 // need to do anything. The pending install 1380 // will be processed later on. 1381 if (!mBound) { 1382 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1383 System.identityHashCode(mHandler)); 1384 // If this is the only one pending we might 1385 // have to bind to the service again. 1386 if (!connectToService()) { 1387 Slog.e(TAG, "Failed to bind to media container service"); 1388 params.serviceError(); 1389 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1390 System.identityHashCode(mHandler)); 1391 if (params.traceMethod != null) { 1392 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1393 params.traceCookie); 1394 } 1395 return; 1396 } else { 1397 // Once we bind to the service, the first 1398 // pending request will be processed. 1399 mPendingInstalls.add(idx, params); 1400 } 1401 } else { 1402 mPendingInstalls.add(idx, params); 1403 // Already bound to the service. Just make 1404 // sure we trigger off processing the first request. 1405 if (idx == 0) { 1406 mHandler.sendEmptyMessage(MCS_BOUND); 1407 } 1408 } 1409 break; 1410 } 1411 case MCS_BOUND: { 1412 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1413 if (msg.obj != null) { 1414 mContainerService = (IMediaContainerService) msg.obj; 1415 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1416 System.identityHashCode(mHandler)); 1417 } 1418 if (mContainerService == null) { 1419 if (!mBound) { 1420 // Something seriously wrong since we are not bound and we are not 1421 // waiting for connection. Bail out. 1422 Slog.e(TAG, "Cannot bind to media container service"); 1423 for (HandlerParams params : mPendingInstalls) { 1424 // Indicate service bind error 1425 params.serviceError(); 1426 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1427 System.identityHashCode(params)); 1428 if (params.traceMethod != null) { 1429 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1430 params.traceMethod, params.traceCookie); 1431 } 1432 return; 1433 } 1434 mPendingInstalls.clear(); 1435 } else { 1436 Slog.w(TAG, "Waiting to connect to media container service"); 1437 } 1438 } else if (mPendingInstalls.size() > 0) { 1439 HandlerParams params = mPendingInstalls.get(0); 1440 if (params != null) { 1441 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1442 System.identityHashCode(params)); 1443 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1444 if (params.startCopy()) { 1445 // We are done... look for more work or to 1446 // go idle. 1447 if (DEBUG_SD_INSTALL) Log.i(TAG, 1448 "Checking for more work or unbind..."); 1449 // Delete pending install 1450 if (mPendingInstalls.size() > 0) { 1451 mPendingInstalls.remove(0); 1452 } 1453 if (mPendingInstalls.size() == 0) { 1454 if (mBound) { 1455 if (DEBUG_SD_INSTALL) Log.i(TAG, 1456 "Posting delayed MCS_UNBIND"); 1457 removeMessages(MCS_UNBIND); 1458 Message ubmsg = obtainMessage(MCS_UNBIND); 1459 // Unbind after a little delay, to avoid 1460 // continual thrashing. 1461 sendMessageDelayed(ubmsg, 10000); 1462 } 1463 } else { 1464 // There are more pending requests in queue. 1465 // Just post MCS_BOUND message to trigger processing 1466 // of next pending install. 1467 if (DEBUG_SD_INSTALL) Log.i(TAG, 1468 "Posting MCS_BOUND for next work"); 1469 mHandler.sendEmptyMessage(MCS_BOUND); 1470 } 1471 } 1472 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1473 } 1474 } else { 1475 // Should never happen ideally. 1476 Slog.w(TAG, "Empty queue"); 1477 } 1478 break; 1479 } 1480 case MCS_RECONNECT: { 1481 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1482 if (mPendingInstalls.size() > 0) { 1483 if (mBound) { 1484 disconnectService(); 1485 } 1486 if (!connectToService()) { 1487 Slog.e(TAG, "Failed to bind to media container service"); 1488 for (HandlerParams params : mPendingInstalls) { 1489 // Indicate service bind error 1490 params.serviceError(); 1491 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1492 System.identityHashCode(params)); 1493 } 1494 mPendingInstalls.clear(); 1495 } 1496 } 1497 break; 1498 } 1499 case MCS_UNBIND: { 1500 // If there is no actual work left, then time to unbind. 1501 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1502 1503 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1504 if (mBound) { 1505 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1506 1507 disconnectService(); 1508 } 1509 } else if (mPendingInstalls.size() > 0) { 1510 // There are more pending requests in queue. 1511 // Just post MCS_BOUND message to trigger processing 1512 // of next pending install. 1513 mHandler.sendEmptyMessage(MCS_BOUND); 1514 } 1515 1516 break; 1517 } 1518 case MCS_GIVE_UP: { 1519 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1520 HandlerParams params = mPendingInstalls.remove(0); 1521 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1522 System.identityHashCode(params)); 1523 break; 1524 } 1525 case SEND_PENDING_BROADCAST: { 1526 String packages[]; 1527 ArrayList<String> components[]; 1528 int size = 0; 1529 int uids[]; 1530 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1531 synchronized (mPackages) { 1532 if (mPendingBroadcasts == null) { 1533 return; 1534 } 1535 size = mPendingBroadcasts.size(); 1536 if (size <= 0) { 1537 // Nothing to be done. Just return 1538 return; 1539 } 1540 packages = new String[size]; 1541 components = new ArrayList[size]; 1542 uids = new int[size]; 1543 int i = 0; // filling out the above arrays 1544 1545 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1546 int packageUserId = mPendingBroadcasts.userIdAt(n); 1547 Iterator<Map.Entry<String, ArrayList<String>>> it 1548 = mPendingBroadcasts.packagesForUserId(packageUserId) 1549 .entrySet().iterator(); 1550 while (it.hasNext() && i < size) { 1551 Map.Entry<String, ArrayList<String>> ent = it.next(); 1552 packages[i] = ent.getKey(); 1553 components[i] = ent.getValue(); 1554 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1555 uids[i] = (ps != null) 1556 ? UserHandle.getUid(packageUserId, ps.appId) 1557 : -1; 1558 i++; 1559 } 1560 } 1561 size = i; 1562 mPendingBroadcasts.clear(); 1563 } 1564 // Send broadcasts 1565 for (int i = 0; i < size; i++) { 1566 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1567 } 1568 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1569 break; 1570 } 1571 case START_CLEANING_PACKAGE: { 1572 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1573 final String packageName = (String)msg.obj; 1574 final int userId = msg.arg1; 1575 final boolean andCode = msg.arg2 != 0; 1576 synchronized (mPackages) { 1577 if (userId == UserHandle.USER_ALL) { 1578 int[] users = sUserManager.getUserIds(); 1579 for (int user : users) { 1580 mSettings.addPackageToCleanLPw( 1581 new PackageCleanItem(user, packageName, andCode)); 1582 } 1583 } else { 1584 mSettings.addPackageToCleanLPw( 1585 new PackageCleanItem(userId, packageName, andCode)); 1586 } 1587 } 1588 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1589 startCleaningPackages(); 1590 } break; 1591 case POST_INSTALL: { 1592 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1593 1594 PostInstallData data = mRunningInstalls.get(msg.arg1); 1595 final boolean didRestore = (msg.arg2 != 0); 1596 mRunningInstalls.delete(msg.arg1); 1597 1598 if (data != null) { 1599 InstallArgs args = data.args; 1600 PackageInstalledInfo parentRes = data.res; 1601 1602 final boolean grantPermissions = (args.installFlags 1603 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1604 final boolean killApp = (args.installFlags 1605 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1606 final String[] grantedPermissions = args.installGrantPermissions; 1607 1608 // Handle the parent package 1609 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1610 grantedPermissions, didRestore, args.installerPackageName, 1611 args.observer); 1612 1613 // Handle the child packages 1614 final int childCount = (parentRes.addedChildPackages != null) 1615 ? parentRes.addedChildPackages.size() : 0; 1616 for (int i = 0; i < childCount; i++) { 1617 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1618 handlePackagePostInstall(childRes, grantPermissions, killApp, 1619 grantedPermissions, false, args.installerPackageName, 1620 args.observer); 1621 } 1622 1623 // Log tracing if needed 1624 if (args.traceMethod != null) { 1625 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1626 args.traceCookie); 1627 } 1628 } else { 1629 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1630 } 1631 1632 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1633 } break; 1634 case UPDATED_MEDIA_STATUS: { 1635 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1636 boolean reportStatus = msg.arg1 == 1; 1637 boolean doGc = msg.arg2 == 1; 1638 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1639 if (doGc) { 1640 // Force a gc to clear up stale containers. 1641 Runtime.getRuntime().gc(); 1642 } 1643 if (msg.obj != null) { 1644 @SuppressWarnings("unchecked") 1645 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1646 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1647 // Unload containers 1648 unloadAllContainers(args); 1649 } 1650 if (reportStatus) { 1651 try { 1652 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1653 PackageHelper.getMountService().finishMediaUpdate(); 1654 } catch (RemoteException e) { 1655 Log.e(TAG, "MountService not running?"); 1656 } 1657 } 1658 } break; 1659 case WRITE_SETTINGS: { 1660 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1661 synchronized (mPackages) { 1662 removeMessages(WRITE_SETTINGS); 1663 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1664 mSettings.writeLPr(); 1665 mDirtyUsers.clear(); 1666 } 1667 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1668 } break; 1669 case WRITE_PACKAGE_RESTRICTIONS: { 1670 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1671 synchronized (mPackages) { 1672 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1673 for (int userId : mDirtyUsers) { 1674 mSettings.writePackageRestrictionsLPr(userId); 1675 } 1676 mDirtyUsers.clear(); 1677 } 1678 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1679 } break; 1680 case WRITE_PACKAGE_LIST: { 1681 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1682 synchronized (mPackages) { 1683 removeMessages(WRITE_PACKAGE_LIST); 1684 mSettings.writePackageListLPr(msg.arg1); 1685 } 1686 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1687 } break; 1688 case CHECK_PENDING_VERIFICATION: { 1689 final int verificationId = msg.arg1; 1690 final PackageVerificationState state = mPendingVerification.get(verificationId); 1691 1692 if ((state != null) && !state.timeoutExtended()) { 1693 final InstallArgs args = state.getInstallArgs(); 1694 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1695 1696 Slog.i(TAG, "Verification timed out for " + originUri); 1697 mPendingVerification.remove(verificationId); 1698 1699 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1700 1701 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1702 Slog.i(TAG, "Continuing with installation of " + originUri); 1703 state.setVerifierResponse(Binder.getCallingUid(), 1704 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1705 broadcastPackageVerified(verificationId, originUri, 1706 PackageManager.VERIFICATION_ALLOW, 1707 state.getInstallArgs().getUser()); 1708 try { 1709 ret = args.copyApk(mContainerService, true); 1710 } catch (RemoteException e) { 1711 Slog.e(TAG, "Could not contact the ContainerService"); 1712 } 1713 } else { 1714 broadcastPackageVerified(verificationId, originUri, 1715 PackageManager.VERIFICATION_REJECT, 1716 state.getInstallArgs().getUser()); 1717 } 1718 1719 Trace.asyncTraceEnd( 1720 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1721 1722 processPendingInstall(args, ret); 1723 mHandler.sendEmptyMessage(MCS_UNBIND); 1724 } 1725 break; 1726 } 1727 case PACKAGE_VERIFIED: { 1728 final int verificationId = msg.arg1; 1729 1730 final PackageVerificationState state = mPendingVerification.get(verificationId); 1731 if (state == null) { 1732 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1733 break; 1734 } 1735 1736 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1737 1738 state.setVerifierResponse(response.callerUid, response.code); 1739 1740 if (state.isVerificationComplete()) { 1741 mPendingVerification.remove(verificationId); 1742 1743 final InstallArgs args = state.getInstallArgs(); 1744 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1745 1746 int ret; 1747 if (state.isInstallAllowed()) { 1748 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1749 broadcastPackageVerified(verificationId, originUri, 1750 response.code, state.getInstallArgs().getUser()); 1751 try { 1752 ret = args.copyApk(mContainerService, true); 1753 } catch (RemoteException e) { 1754 Slog.e(TAG, "Could not contact the ContainerService"); 1755 } 1756 } else { 1757 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1758 } 1759 1760 Trace.asyncTraceEnd( 1761 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1762 1763 processPendingInstall(args, ret); 1764 mHandler.sendEmptyMessage(MCS_UNBIND); 1765 } 1766 1767 break; 1768 } 1769 case START_INTENT_FILTER_VERIFICATIONS: { 1770 IFVerificationParams params = (IFVerificationParams) msg.obj; 1771 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1772 params.replacing, params.pkg); 1773 break; 1774 } 1775 case INTENT_FILTER_VERIFIED: { 1776 final int verificationId = msg.arg1; 1777 1778 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1779 verificationId); 1780 if (state == null) { 1781 Slog.w(TAG, "Invalid IntentFilter verification token " 1782 + verificationId + " received"); 1783 break; 1784 } 1785 1786 final int userId = state.getUserId(); 1787 1788 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1789 "Processing IntentFilter verification with token:" 1790 + verificationId + " and userId:" + userId); 1791 1792 final IntentFilterVerificationResponse response = 1793 (IntentFilterVerificationResponse) msg.obj; 1794 1795 state.setVerifierResponse(response.callerUid, response.code); 1796 1797 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1798 "IntentFilter verification with token:" + verificationId 1799 + " and userId:" + userId 1800 + " is settings verifier response with response code:" 1801 + response.code); 1802 1803 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1804 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1805 + response.getFailedDomainsString()); 1806 } 1807 1808 if (state.isVerificationComplete()) { 1809 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1810 } else { 1811 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1812 "IntentFilter verification with token:" + verificationId 1813 + " was not said to be complete"); 1814 } 1815 1816 break; 1817 } 1818 } 1819 } 1820 } 1821 1822 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1823 boolean killApp, String[] grantedPermissions, 1824 boolean launchedForRestore, String installerPackage, 1825 IPackageInstallObserver2 installObserver) { 1826 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1827 // Send the removed broadcasts 1828 if (res.removedInfo != null) { 1829 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1830 } 1831 1832 // Now that we successfully installed the package, grant runtime 1833 // permissions if requested before broadcasting the install. 1834 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1835 >= Build.VERSION_CODES.M) { 1836 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1837 } 1838 1839 final boolean update = res.removedInfo != null 1840 && res.removedInfo.removedPackage != null; 1841 1842 // If this is the first time we have child packages for a disabled privileged 1843 // app that had no children, we grant requested runtime permissions to the new 1844 // children if the parent on the system image had them already granted. 1845 if (res.pkg.parentPackage != null) { 1846 synchronized (mPackages) { 1847 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1848 } 1849 } 1850 1851 synchronized (mPackages) { 1852 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1853 } 1854 1855 final String packageName = res.pkg.applicationInfo.packageName; 1856 Bundle extras = new Bundle(1); 1857 extras.putInt(Intent.EXTRA_UID, res.uid); 1858 1859 // Determine the set of users who are adding this package for 1860 // the first time vs. those who are seeing an update. 1861 int[] firstUsers = EMPTY_INT_ARRAY; 1862 int[] updateUsers = EMPTY_INT_ARRAY; 1863 if (res.origUsers == null || res.origUsers.length == 0) { 1864 firstUsers = res.newUsers; 1865 } else { 1866 for (int newUser : res.newUsers) { 1867 boolean isNew = true; 1868 for (int origUser : res.origUsers) { 1869 if (origUser == newUser) { 1870 isNew = false; 1871 break; 1872 } 1873 } 1874 if (isNew) { 1875 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1876 } else { 1877 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1878 } 1879 } 1880 } 1881 1882 // Send installed broadcasts if the install/update is not ephemeral 1883 if (!isEphemeral(res.pkg)) { 1884 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1885 1886 // Send added for users that see the package for the first time 1887 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1888 extras, 0 /*flags*/, null /*targetPackage*/, 1889 null /*finishedReceiver*/, firstUsers); 1890 1891 // Send added for users that don't see the package for the first time 1892 if (update) { 1893 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1894 } 1895 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1896 extras, 0 /*flags*/, null /*targetPackage*/, 1897 null /*finishedReceiver*/, updateUsers); 1898 1899 // Send replaced for users that don't see the package for the first time 1900 if (update) { 1901 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1902 packageName, extras, 0 /*flags*/, 1903 null /*targetPackage*/, null /*finishedReceiver*/, 1904 updateUsers); 1905 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1906 null /*package*/, null /*extras*/, 0 /*flags*/, 1907 packageName /*targetPackage*/, 1908 null /*finishedReceiver*/, updateUsers); 1909 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1910 // First-install and we did a restore, so we're responsible for the 1911 // first-launch broadcast. 1912 if (DEBUG_BACKUP) { 1913 Slog.i(TAG, "Post-restore of " + packageName 1914 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1915 } 1916 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1917 } 1918 1919 // Send broadcast package appeared if forward locked/external for all users 1920 // treat asec-hosted packages like removable media on upgrade 1921 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1922 if (DEBUG_INSTALL) { 1923 Slog.i(TAG, "upgrading pkg " + res.pkg 1924 + " is ASEC-hosted -> AVAILABLE"); 1925 } 1926 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1927 ArrayList<String> pkgList = new ArrayList<>(1); 1928 pkgList.add(packageName); 1929 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1930 } 1931 } 1932 1933 // Work that needs to happen on first install within each user 1934 if (firstUsers != null && firstUsers.length > 0) { 1935 synchronized (mPackages) { 1936 for (int userId : firstUsers) { 1937 // If this app is a browser and it's newly-installed for some 1938 // users, clear any default-browser state in those users. The 1939 // app's nature doesn't depend on the user, so we can just check 1940 // its browser nature in any user and generalize. 1941 if (packageIsBrowser(packageName, userId)) { 1942 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1943 } 1944 1945 // We may also need to apply pending (restored) runtime 1946 // permission grants within these users. 1947 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1948 } 1949 } 1950 } 1951 1952 // Log current value of "unknown sources" setting 1953 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1954 getUnknownSourcesSettings()); 1955 1956 // Force a gc to clear up things 1957 Runtime.getRuntime().gc(); 1958 1959 // Remove the replaced package's older resources safely now 1960 // We delete after a gc for applications on sdcard. 1961 if (res.removedInfo != null && res.removedInfo.args != null) { 1962 synchronized (mInstallLock) { 1963 res.removedInfo.args.doPostDeleteLI(true); 1964 } 1965 } 1966 } 1967 1968 // If someone is watching installs - notify them 1969 if (installObserver != null) { 1970 try { 1971 Bundle extras = extrasForInstallResult(res); 1972 installObserver.onPackageInstalled(res.name, res.returnCode, 1973 res.returnMsg, extras); 1974 } catch (RemoteException e) { 1975 Slog.i(TAG, "Observer no longer exists."); 1976 } 1977 } 1978 } 1979 1980 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1981 PackageParser.Package pkg) { 1982 if (pkg.parentPackage == null) { 1983 return; 1984 } 1985 if (pkg.requestedPermissions == null) { 1986 return; 1987 } 1988 final PackageSetting disabledSysParentPs = mSettings 1989 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1990 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1991 || !disabledSysParentPs.isPrivileged() 1992 || (disabledSysParentPs.childPackageNames != null 1993 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1994 return; 1995 } 1996 final int[] allUserIds = sUserManager.getUserIds(); 1997 final int permCount = pkg.requestedPermissions.size(); 1998 for (int i = 0; i < permCount; i++) { 1999 String permission = pkg.requestedPermissions.get(i); 2000 BasePermission bp = mSettings.mPermissions.get(permission); 2001 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 2002 continue; 2003 } 2004 for (int userId : allUserIds) { 2005 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 2006 permission, userId)) { 2007 grantRuntimePermission(pkg.packageName, permission, userId); 2008 } 2009 } 2010 } 2011 } 2012 2013 private StorageEventListener mStorageListener = new StorageEventListener() { 2014 @Override 2015 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2016 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2017 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2018 final String volumeUuid = vol.getFsUuid(); 2019 2020 // Clean up any users or apps that were removed or recreated 2021 // while this volume was missing 2022 reconcileUsers(volumeUuid); 2023 reconcileApps(volumeUuid); 2024 2025 // Clean up any install sessions that expired or were 2026 // cancelled while this volume was missing 2027 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2028 2029 loadPrivatePackages(vol); 2030 2031 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2032 unloadPrivatePackages(vol); 2033 } 2034 } 2035 2036 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2037 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2038 updateExternalMediaStatus(true, false); 2039 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2040 updateExternalMediaStatus(false, false); 2041 } 2042 } 2043 } 2044 2045 @Override 2046 public void onVolumeForgotten(String fsUuid) { 2047 if (TextUtils.isEmpty(fsUuid)) { 2048 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2049 return; 2050 } 2051 2052 // Remove any apps installed on the forgotten volume 2053 synchronized (mPackages) { 2054 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2055 for (PackageSetting ps : packages) { 2056 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2057 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2058 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2059 } 2060 2061 mSettings.onVolumeForgotten(fsUuid); 2062 mSettings.writeLPr(); 2063 } 2064 } 2065 }; 2066 2067 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2068 String[] grantedPermissions) { 2069 for (int userId : userIds) { 2070 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2071 } 2072 2073 // We could have touched GID membership, so flush out packages.list 2074 synchronized (mPackages) { 2075 mSettings.writePackageListLPr(); 2076 } 2077 } 2078 2079 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2080 String[] grantedPermissions) { 2081 SettingBase sb = (SettingBase) pkg.mExtras; 2082 if (sb == null) { 2083 return; 2084 } 2085 2086 PermissionsState permissionsState = sb.getPermissionsState(); 2087 2088 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2089 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2090 2091 for (String permission : pkg.requestedPermissions) { 2092 final BasePermission bp; 2093 synchronized (mPackages) { 2094 bp = mSettings.mPermissions.get(permission); 2095 } 2096 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2097 && (grantedPermissions == null 2098 || ArrayUtils.contains(grantedPermissions, permission))) { 2099 final int flags = permissionsState.getPermissionFlags(permission, userId); 2100 // Installer cannot change immutable permissions. 2101 if ((flags & immutableFlags) == 0) { 2102 grantRuntimePermission(pkg.packageName, permission, userId); 2103 } 2104 } 2105 } 2106 } 2107 2108 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2109 Bundle extras = null; 2110 switch (res.returnCode) { 2111 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2112 extras = new Bundle(); 2113 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2114 res.origPermission); 2115 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2116 res.origPackage); 2117 break; 2118 } 2119 case PackageManager.INSTALL_SUCCEEDED: { 2120 extras = new Bundle(); 2121 extras.putBoolean(Intent.EXTRA_REPLACING, 2122 res.removedInfo != null && res.removedInfo.removedPackage != null); 2123 break; 2124 } 2125 } 2126 return extras; 2127 } 2128 2129 void scheduleWriteSettingsLocked() { 2130 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2131 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2132 } 2133 } 2134 2135 void scheduleWritePackageListLocked(int userId) { 2136 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2137 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2138 msg.arg1 = userId; 2139 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2140 } 2141 } 2142 2143 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2144 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2145 scheduleWritePackageRestrictionsLocked(userId); 2146 } 2147 2148 void scheduleWritePackageRestrictionsLocked(int userId) { 2149 final int[] userIds = (userId == UserHandle.USER_ALL) 2150 ? sUserManager.getUserIds() : new int[]{userId}; 2151 for (int nextUserId : userIds) { 2152 if (!sUserManager.exists(nextUserId)) return; 2153 mDirtyUsers.add(nextUserId); 2154 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2155 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2156 } 2157 } 2158 } 2159 2160 public static PackageManagerService main(Context context, Installer installer, 2161 boolean factoryTest, boolean onlyCore) { 2162 // Self-check for initial settings. 2163 PackageManagerServiceCompilerMapping.checkProperties(); 2164 2165 PackageManagerService m = new PackageManagerService(context, installer, 2166 factoryTest, onlyCore); 2167 m.enableSystemUserPackages(); 2168 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2169 // disabled after already being started. 2170 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2171 UserHandle.USER_SYSTEM); 2172 ServiceManager.addService("package", m); 2173 return m; 2174 } 2175 2176 private void enableSystemUserPackages() { 2177 if (!UserManager.isSplitSystemUser()) { 2178 return; 2179 } 2180 // For system user, enable apps based on the following conditions: 2181 // - app is whitelisted or belong to one of these groups: 2182 // -- system app which has no launcher icons 2183 // -- system app which has INTERACT_ACROSS_USERS permission 2184 // -- system IME app 2185 // - app is not in the blacklist 2186 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2187 Set<String> enableApps = new ArraySet<>(); 2188 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2189 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2190 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2191 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2192 enableApps.addAll(wlApps); 2193 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2194 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2195 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2196 enableApps.removeAll(blApps); 2197 Log.i(TAG, "Applications installed for system user: " + enableApps); 2198 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2199 UserHandle.SYSTEM); 2200 final int allAppsSize = allAps.size(); 2201 synchronized (mPackages) { 2202 for (int i = 0; i < allAppsSize; i++) { 2203 String pName = allAps.get(i); 2204 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2205 // Should not happen, but we shouldn't be failing if it does 2206 if (pkgSetting == null) { 2207 continue; 2208 } 2209 boolean install = enableApps.contains(pName); 2210 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2211 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2212 + " for system user"); 2213 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2214 } 2215 } 2216 } 2217 } 2218 2219 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2220 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2221 Context.DISPLAY_SERVICE); 2222 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2223 } 2224 2225 public PackageManagerService(Context context, Installer installer, 2226 boolean factoryTest, boolean onlyCore) { 2227 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2228 SystemClock.uptimeMillis()); 2229 2230 if (mSdkVersion <= 0) { 2231 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2232 } 2233 2234 mContext = context; 2235 mFactoryTest = factoryTest; 2236 mOnlyCore = onlyCore; 2237 mMetrics = new DisplayMetrics(); 2238 mSettings = new Settings(mPackages); 2239 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2240 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2241 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2242 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2243 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2244 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2245 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2246 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2247 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2248 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2249 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2250 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2251 2252 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2253 if (separateProcesses != null && separateProcesses.length() > 0) { 2254 if ("*".equals(separateProcesses)) { 2255 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2256 mSeparateProcesses = null; 2257 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2258 } else { 2259 mDefParseFlags = 0; 2260 mSeparateProcesses = separateProcesses.split(","); 2261 Slog.w(TAG, "Running with debug.separate_processes: " 2262 + separateProcesses); 2263 } 2264 } else { 2265 mDefParseFlags = 0; 2266 mSeparateProcesses = null; 2267 } 2268 2269 mInstaller = installer; 2270 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2271 "*dexopt*"); 2272 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2273 2274 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2275 FgThread.get().getLooper()); 2276 2277 getDefaultDisplayMetrics(context, mMetrics); 2278 2279 SystemConfig systemConfig = SystemConfig.getInstance(); 2280 mGlobalGids = systemConfig.getGlobalGids(); 2281 mSystemPermissions = systemConfig.getSystemPermissions(); 2282 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2283 2284 mProtectedPackages = new ProtectedPackages(mContext); 2285 2286 synchronized (mInstallLock) { 2287 // writer 2288 synchronized (mPackages) { 2289 mHandlerThread = new ServiceThread(TAG, 2290 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2291 mHandlerThread.start(); 2292 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2293 mProcessLoggingHandler = new ProcessLoggingHandler(); 2294 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2295 2296 File dataDir = Environment.getDataDirectory(); 2297 mAppInstallDir = new File(dataDir, "app"); 2298 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2299 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2300 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2301 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2302 2303 sUserManager = new UserManagerService(context, this, mPackages); 2304 2305 // Propagate permission configuration in to package manager. 2306 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2307 = systemConfig.getPermissions(); 2308 for (int i=0; i<permConfig.size(); i++) { 2309 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2310 BasePermission bp = mSettings.mPermissions.get(perm.name); 2311 if (bp == null) { 2312 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2313 mSettings.mPermissions.put(perm.name, bp); 2314 } 2315 if (perm.gids != null) { 2316 bp.setGids(perm.gids, perm.perUser); 2317 } 2318 } 2319 2320 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2321 for (int i=0; i<libConfig.size(); i++) { 2322 mSharedLibraries.put(libConfig.keyAt(i), 2323 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2324 } 2325 2326 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2327 2328 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2329 2330 String customResolverActivity = Resources.getSystem().getString( 2331 R.string.config_customResolverActivity); 2332 if (TextUtils.isEmpty(customResolverActivity)) { 2333 customResolverActivity = null; 2334 } else { 2335 mCustomResolverComponentName = ComponentName.unflattenFromString( 2336 customResolverActivity); 2337 } 2338 2339 long startTime = SystemClock.uptimeMillis(); 2340 2341 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2342 startTime); 2343 2344 // Set flag to monitor and not change apk file paths when 2345 // scanning install directories. 2346 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2347 2348 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2349 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2350 2351 if (bootClassPath == null) { 2352 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2353 } 2354 2355 if (systemServerClassPath == null) { 2356 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2357 } 2358 2359 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2360 final String[] dexCodeInstructionSets = 2361 getDexCodeInstructionSets( 2362 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2363 2364 /** 2365 * Ensure all external libraries have had dexopt run on them. 2366 */ 2367 if (mSharedLibraries.size() > 0) { 2368 // NOTE: For now, we're compiling these system "shared libraries" 2369 // (and framework jars) into all available architectures. It's possible 2370 // to compile them only when we come across an app that uses them (there's 2371 // already logic for that in scanPackageLI) but that adds some complexity. 2372 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2373 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2374 final String lib = libEntry.path; 2375 if (lib == null) { 2376 continue; 2377 } 2378 2379 try { 2380 // Shared libraries do not have profiles so we perform a full 2381 // AOT compilation (if needed). 2382 int dexoptNeeded = DexFile.getDexOptNeeded( 2383 lib, dexCodeInstructionSet, 2384 getCompilerFilterForReason(REASON_SHARED_APK), 2385 false /* newProfile */); 2386 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2387 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2388 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2389 getCompilerFilterForReason(REASON_SHARED_APK), 2390 StorageManager.UUID_PRIVATE_INTERNAL, 2391 SKIP_SHARED_LIBRARY_CHECK); 2392 } 2393 } catch (FileNotFoundException e) { 2394 Slog.w(TAG, "Library not found: " + lib); 2395 } catch (IOException | InstallerException e) { 2396 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2397 + e.getMessage()); 2398 } 2399 } 2400 } 2401 } 2402 2403 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2404 2405 final VersionInfo ver = mSettings.getInternalVersion(); 2406 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2407 2408 // when upgrading from pre-M, promote system app permissions from install to runtime 2409 mPromoteSystemApps = 2410 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2411 2412 // When upgrading from pre-N, we need to handle package extraction like first boot, 2413 // as there is no profiling data available. 2414 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2415 2416 // save off the names of pre-existing system packages prior to scanning; we don't 2417 // want to automatically grant runtime permissions for new system apps 2418 if (mPromoteSystemApps) { 2419 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2420 while (pkgSettingIter.hasNext()) { 2421 PackageSetting ps = pkgSettingIter.next(); 2422 if (isSystemApp(ps)) { 2423 mExistingSystemPackages.add(ps.name); 2424 } 2425 } 2426 } 2427 2428 // Collect vendor overlay packages. 2429 // (Do this before scanning any apps.) 2430 // For security and version matching reason, only consider 2431 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2432 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2433 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2434 | PackageParser.PARSE_IS_SYSTEM 2435 | PackageParser.PARSE_IS_SYSTEM_DIR 2436 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2437 2438 // Find base frameworks (resource packages without code). 2439 scanDirTracedLI(frameworkDir, mDefParseFlags 2440 | PackageParser.PARSE_IS_SYSTEM 2441 | PackageParser.PARSE_IS_SYSTEM_DIR 2442 | PackageParser.PARSE_IS_PRIVILEGED, 2443 scanFlags | SCAN_NO_DEX, 0); 2444 2445 // Collected privileged system packages. 2446 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2447 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2448 | PackageParser.PARSE_IS_SYSTEM 2449 | PackageParser.PARSE_IS_SYSTEM_DIR 2450 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2451 2452 // Collect ordinary system packages. 2453 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2454 scanDirTracedLI(systemAppDir, mDefParseFlags 2455 | PackageParser.PARSE_IS_SYSTEM 2456 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2457 2458 // Collect all vendor packages. 2459 File vendorAppDir = new File("/vendor/app"); 2460 try { 2461 vendorAppDir = vendorAppDir.getCanonicalFile(); 2462 } catch (IOException e) { 2463 // failed to look up canonical path, continue with original one 2464 } 2465 scanDirTracedLI(vendorAppDir, mDefParseFlags 2466 | PackageParser.PARSE_IS_SYSTEM 2467 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2468 2469 // Collect all OEM packages. 2470 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2471 scanDirTracedLI(oemAppDir, mDefParseFlags 2472 | PackageParser.PARSE_IS_SYSTEM 2473 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2474 2475 // Prune any system packages that no longer exist. 2476 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2477 if (!mOnlyCore) { 2478 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2479 while (psit.hasNext()) { 2480 PackageSetting ps = psit.next(); 2481 2482 /* 2483 * If this is not a system app, it can't be a 2484 * disable system app. 2485 */ 2486 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2487 continue; 2488 } 2489 2490 /* 2491 * If the package is scanned, it's not erased. 2492 */ 2493 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2494 if (scannedPkg != null) { 2495 /* 2496 * If the system app is both scanned and in the 2497 * disabled packages list, then it must have been 2498 * added via OTA. Remove it from the currently 2499 * scanned package so the previously user-installed 2500 * application can be scanned. 2501 */ 2502 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2503 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2504 + ps.name + "; removing system app. Last known codePath=" 2505 + ps.codePathString + ", installStatus=" + ps.installStatus 2506 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2507 + scannedPkg.mVersionCode); 2508 removePackageLI(scannedPkg, true); 2509 mExpectingBetter.put(ps.name, ps.codePath); 2510 } 2511 2512 continue; 2513 } 2514 2515 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2516 psit.remove(); 2517 logCriticalInfo(Log.WARN, "System package " + ps.name 2518 + " no longer exists; it's data will be wiped"); 2519 // Actual deletion of code and data will be handled by later 2520 // reconciliation step 2521 } else { 2522 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2523 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2524 possiblyDeletedUpdatedSystemApps.add(ps.name); 2525 } 2526 } 2527 } 2528 } 2529 2530 //look for any incomplete package installations 2531 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2532 for (int i = 0; i < deletePkgsList.size(); i++) { 2533 // Actual deletion of code and data will be handled by later 2534 // reconciliation step 2535 final String packageName = deletePkgsList.get(i).name; 2536 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2537 synchronized (mPackages) { 2538 mSettings.removePackageLPw(packageName); 2539 } 2540 } 2541 2542 //delete tmp files 2543 deleteTempPackageFiles(); 2544 2545 // Remove any shared userIDs that have no associated packages 2546 mSettings.pruneSharedUsersLPw(); 2547 2548 if (!mOnlyCore) { 2549 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2550 SystemClock.uptimeMillis()); 2551 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2552 2553 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2554 | PackageParser.PARSE_FORWARD_LOCK, 2555 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2556 2557 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2558 | PackageParser.PARSE_IS_EPHEMERAL, 2559 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2560 2561 /** 2562 * Remove disable package settings for any updated system 2563 * apps that were removed via an OTA. If they're not a 2564 * previously-updated app, remove them completely. 2565 * Otherwise, just revoke their system-level permissions. 2566 */ 2567 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2568 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2569 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2570 2571 String msg; 2572 if (deletedPkg == null) { 2573 msg = "Updated system package " + deletedAppName 2574 + " no longer exists; it's data will be wiped"; 2575 // Actual deletion of code and data will be handled by later 2576 // reconciliation step 2577 } else { 2578 msg = "Updated system app + " + deletedAppName 2579 + " no longer present; removing system privileges for " 2580 + deletedAppName; 2581 2582 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2583 2584 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2585 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2586 } 2587 logCriticalInfo(Log.WARN, msg); 2588 } 2589 2590 /** 2591 * Make sure all system apps that we expected to appear on 2592 * the userdata partition actually showed up. If they never 2593 * appeared, crawl back and revive the system version. 2594 */ 2595 for (int i = 0; i < mExpectingBetter.size(); i++) { 2596 final String packageName = mExpectingBetter.keyAt(i); 2597 if (!mPackages.containsKey(packageName)) { 2598 final File scanFile = mExpectingBetter.valueAt(i); 2599 2600 logCriticalInfo(Log.WARN, "Expected better " + packageName 2601 + " but never showed up; reverting to system"); 2602 2603 int reparseFlags = mDefParseFlags; 2604 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2605 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2606 | PackageParser.PARSE_IS_SYSTEM_DIR 2607 | PackageParser.PARSE_IS_PRIVILEGED; 2608 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2609 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2610 | PackageParser.PARSE_IS_SYSTEM_DIR; 2611 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2612 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2613 | PackageParser.PARSE_IS_SYSTEM_DIR; 2614 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2615 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2616 | PackageParser.PARSE_IS_SYSTEM_DIR; 2617 } else { 2618 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2619 continue; 2620 } 2621 2622 mSettings.enableSystemPackageLPw(packageName); 2623 2624 try { 2625 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2626 } catch (PackageManagerException e) { 2627 Slog.e(TAG, "Failed to parse original system package: " 2628 + e.getMessage()); 2629 } 2630 } 2631 } 2632 } 2633 mExpectingBetter.clear(); 2634 2635 // Resolve protected action filters. Only the setup wizard is allowed to 2636 // have a high priority filter for these actions. 2637 mSetupWizardPackage = getSetupWizardPackageName(); 2638 if (mProtectedFilters.size() > 0) { 2639 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2640 Slog.i(TAG, "No setup wizard;" 2641 + " All protected intents capped to priority 0"); 2642 } 2643 for (ActivityIntentInfo filter : mProtectedFilters) { 2644 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2645 if (DEBUG_FILTERS) { 2646 Slog.i(TAG, "Found setup wizard;" 2647 + " allow priority " + filter.getPriority() + ";" 2648 + " package: " + filter.activity.info.packageName 2649 + " activity: " + filter.activity.className 2650 + " priority: " + filter.getPriority()); 2651 } 2652 // skip setup wizard; allow it to keep the high priority filter 2653 continue; 2654 } 2655 Slog.w(TAG, "Protected action; cap priority to 0;" 2656 + " package: " + filter.activity.info.packageName 2657 + " activity: " + filter.activity.className 2658 + " origPrio: " + filter.getPriority()); 2659 filter.setPriority(0); 2660 } 2661 } 2662 mDeferProtectedFilters = false; 2663 mProtectedFilters.clear(); 2664 2665 // Now that we know all of the shared libraries, update all clients to have 2666 // the correct library paths. 2667 updateAllSharedLibrariesLPw(); 2668 2669 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2670 // NOTE: We ignore potential failures here during a system scan (like 2671 // the rest of the commands above) because there's precious little we 2672 // can do about it. A settings error is reported, though. 2673 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2674 false /* boot complete */); 2675 } 2676 2677 // Now that we know all the packages we are keeping, 2678 // read and update their last usage times. 2679 mPackageUsage.readLP(); 2680 2681 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2682 SystemClock.uptimeMillis()); 2683 Slog.i(TAG, "Time to scan packages: " 2684 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2685 + " seconds"); 2686 2687 // If the platform SDK has changed since the last time we booted, 2688 // we need to re-grant app permission to catch any new ones that 2689 // appear. This is really a hack, and means that apps can in some 2690 // cases get permissions that the user didn't initially explicitly 2691 // allow... it would be nice to have some better way to handle 2692 // this situation. 2693 int updateFlags = UPDATE_PERMISSIONS_ALL; 2694 if (ver.sdkVersion != mSdkVersion) { 2695 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2696 + mSdkVersion + "; regranting permissions for internal storage"); 2697 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2698 } 2699 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2700 ver.sdkVersion = mSdkVersion; 2701 2702 // If this is the first boot or an update from pre-M, and it is a normal 2703 // boot, then we need to initialize the default preferred apps across 2704 // all defined users. 2705 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2706 for (UserInfo user : sUserManager.getUsers(true)) { 2707 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2708 applyFactoryDefaultBrowserLPw(user.id); 2709 primeDomainVerificationsLPw(user.id); 2710 } 2711 } 2712 2713 // Prepare storage for system user really early during boot, 2714 // since core system apps like SettingsProvider and SystemUI 2715 // can't wait for user to start 2716 final int storageFlags; 2717 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2718 storageFlags = StorageManager.FLAG_STORAGE_DE; 2719 } else { 2720 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2721 } 2722 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2723 storageFlags); 2724 2725 // If this is first boot after an OTA, and a normal boot, then 2726 // we need to clear code cache directories. 2727 // Note that we do *not* clear the application profiles. These remain valid 2728 // across OTAs and are used to drive profile verification (post OTA) and 2729 // profile compilation (without waiting to collect a fresh set of profiles). 2730 if (mIsUpgrade && !onlyCore) { 2731 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2732 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2733 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2734 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2735 // No apps are running this early, so no need to freeze 2736 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2737 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2738 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2739 } 2740 } 2741 ver.fingerprint = Build.FINGERPRINT; 2742 } 2743 2744 checkDefaultBrowser(); 2745 2746 // clear only after permissions and other defaults have been updated 2747 mExistingSystemPackages.clear(); 2748 mPromoteSystemApps = false; 2749 2750 // All the changes are done during package scanning. 2751 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2752 2753 // can downgrade to reader 2754 mSettings.writeLPr(); 2755 2756 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2757 // early on (before the package manager declares itself as early) because other 2758 // components in the system server might ask for package contexts for these apps. 2759 // 2760 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2761 // (i.e, that the data partition is unavailable). 2762 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2763 long start = System.nanoTime(); 2764 List<PackageParser.Package> coreApps = new ArrayList<>(); 2765 for (PackageParser.Package pkg : mPackages.values()) { 2766 if (pkg.coreApp) { 2767 coreApps.add(pkg); 2768 } 2769 } 2770 2771 int[] stats = performDexOpt(coreApps, false, 2772 getCompilerFilterForReason(REASON_CORE_APP)); 2773 2774 final int elapsedTimeSeconds = 2775 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2776 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2777 2778 if (DEBUG_DEXOPT) { 2779 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2780 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2781 } 2782 2783 2784 // TODO: Should we log these stats to tron too ? 2785 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2786 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2787 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2788 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2789 } 2790 2791 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2792 SystemClock.uptimeMillis()); 2793 2794 if (!mOnlyCore) { 2795 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2796 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2797 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2798 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2799 mIntentFilterVerifierComponent); 2800 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2801 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2802 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2803 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2804 } else { 2805 mRequiredVerifierPackage = null; 2806 mRequiredInstallerPackage = null; 2807 mIntentFilterVerifierComponent = null; 2808 mIntentFilterVerifier = null; 2809 mServicesSystemSharedLibraryPackageName = null; 2810 mSharedSystemSharedLibraryPackageName = null; 2811 } 2812 2813 mInstallerService = new PackageInstallerService(context, this); 2814 2815 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2816 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2817 // both the installer and resolver must be present to enable ephemeral 2818 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2819 if (DEBUG_EPHEMERAL) { 2820 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2821 + " installer:" + ephemeralInstallerComponent); 2822 } 2823 mEphemeralResolverComponent = ephemeralResolverComponent; 2824 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2825 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2826 mEphemeralResolverConnection = 2827 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2828 } else { 2829 if (DEBUG_EPHEMERAL) { 2830 final String missingComponent = 2831 (ephemeralResolverComponent == null) 2832 ? (ephemeralInstallerComponent == null) 2833 ? "resolver and installer" 2834 : "resolver" 2835 : "installer"; 2836 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2837 } 2838 mEphemeralResolverComponent = null; 2839 mEphemeralInstallerComponent = null; 2840 mEphemeralResolverConnection = null; 2841 } 2842 2843 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2844 } // synchronized (mPackages) 2845 } // synchronized (mInstallLock) 2846 2847 // Now after opening every single application zip, make sure they 2848 // are all flushed. Not really needed, but keeps things nice and 2849 // tidy. 2850 Runtime.getRuntime().gc(); 2851 2852 // The initial scanning above does many calls into installd while 2853 // holding the mPackages lock, but we're mostly interested in yelling 2854 // once we have a booted system. 2855 mInstaller.setWarnIfHeld(mPackages); 2856 2857 // Expose private service for system components to use. 2858 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2859 } 2860 2861 @Override 2862 public boolean isFirstBoot() { 2863 return !mRestoredSettings; 2864 } 2865 2866 @Override 2867 public boolean isOnlyCoreApps() { 2868 return mOnlyCore; 2869 } 2870 2871 @Override 2872 public boolean isUpgrade() { 2873 return mIsUpgrade; 2874 } 2875 2876 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2877 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2878 2879 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2880 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2881 UserHandle.USER_SYSTEM); 2882 if (matches.size() == 1) { 2883 return matches.get(0).getComponentInfo().packageName; 2884 } else { 2885 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2886 return null; 2887 } 2888 } 2889 2890 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2891 synchronized (mPackages) { 2892 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2893 if (libraryEntry == null) { 2894 throw new IllegalStateException("Missing required shared library:" + libraryName); 2895 } 2896 return libraryEntry.apk; 2897 } 2898 } 2899 2900 private @NonNull String getRequiredInstallerLPr() { 2901 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2902 intent.addCategory(Intent.CATEGORY_DEFAULT); 2903 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2904 2905 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2906 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2907 UserHandle.USER_SYSTEM); 2908 if (matches.size() == 1) { 2909 ResolveInfo resolveInfo = matches.get(0); 2910 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2911 throw new RuntimeException("The installer must be a privileged app"); 2912 } 2913 return matches.get(0).getComponentInfo().packageName; 2914 } else { 2915 throw new RuntimeException("There must be exactly one installer; found " + matches); 2916 } 2917 } 2918 2919 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2920 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2921 2922 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2923 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2924 UserHandle.USER_SYSTEM); 2925 ResolveInfo best = null; 2926 final int N = matches.size(); 2927 for (int i = 0; i < N; i++) { 2928 final ResolveInfo cur = matches.get(i); 2929 final String packageName = cur.getComponentInfo().packageName; 2930 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2931 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2932 continue; 2933 } 2934 2935 if (best == null || cur.priority > best.priority) { 2936 best = cur; 2937 } 2938 } 2939 2940 if (best != null) { 2941 return best.getComponentInfo().getComponentName(); 2942 } else { 2943 throw new RuntimeException("There must be at least one intent filter verifier"); 2944 } 2945 } 2946 2947 private @Nullable ComponentName getEphemeralResolverLPr() { 2948 final String[] packageArray = 2949 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2950 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 2951 if (DEBUG_EPHEMERAL) { 2952 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2953 } 2954 return null; 2955 } 2956 2957 final int resolveFlags = 2958 MATCH_DIRECT_BOOT_AWARE 2959 | MATCH_DIRECT_BOOT_UNAWARE 2960 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 2961 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2962 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2963 resolveFlags, UserHandle.USER_SYSTEM); 2964 2965 final int N = resolvers.size(); 2966 if (N == 0) { 2967 if (DEBUG_EPHEMERAL) { 2968 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2969 } 2970 return null; 2971 } 2972 2973 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2974 for (int i = 0; i < N; i++) { 2975 final ResolveInfo info = resolvers.get(i); 2976 2977 if (info.serviceInfo == null) { 2978 continue; 2979 } 2980 2981 final String packageName = info.serviceInfo.packageName; 2982 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 2983 if (DEBUG_EPHEMERAL) { 2984 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2985 + " pkg: " + packageName + ", info:" + info); 2986 } 2987 continue; 2988 } 2989 2990 if (DEBUG_EPHEMERAL) { 2991 Slog.v(TAG, "Ephemeral resolver found;" 2992 + " pkg: " + packageName + ", info:" + info); 2993 } 2994 return new ComponentName(packageName, info.serviceInfo.name); 2995 } 2996 if (DEBUG_EPHEMERAL) { 2997 Slog.v(TAG, "Ephemeral resolver NOT found"); 2998 } 2999 return null; 3000 } 3001 3002 private @Nullable ComponentName getEphemeralInstallerLPr() { 3003 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3004 intent.addCategory(Intent.CATEGORY_DEFAULT); 3005 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3006 3007 final int resolveFlags = 3008 MATCH_DIRECT_BOOT_AWARE 3009 | MATCH_DIRECT_BOOT_UNAWARE 3010 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3011 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3012 resolveFlags, UserHandle.USER_SYSTEM); 3013 if (matches.size() == 0) { 3014 return null; 3015 } else if (matches.size() == 1) { 3016 return matches.get(0).getComponentInfo().getComponentName(); 3017 } else { 3018 throw new RuntimeException( 3019 "There must be at most one ephemeral installer; found " + matches); 3020 } 3021 } 3022 3023 private void primeDomainVerificationsLPw(int userId) { 3024 if (DEBUG_DOMAIN_VERIFICATION) { 3025 Slog.d(TAG, "Priming domain verifications in user " + userId); 3026 } 3027 3028 SystemConfig systemConfig = SystemConfig.getInstance(); 3029 ArraySet<String> packages = systemConfig.getLinkedApps(); 3030 ArraySet<String> domains = new ArraySet<String>(); 3031 3032 for (String packageName : packages) { 3033 PackageParser.Package pkg = mPackages.get(packageName); 3034 if (pkg != null) { 3035 if (!pkg.isSystemApp()) { 3036 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3037 continue; 3038 } 3039 3040 domains.clear(); 3041 for (PackageParser.Activity a : pkg.activities) { 3042 for (ActivityIntentInfo filter : a.intents) { 3043 if (hasValidDomains(filter)) { 3044 domains.addAll(filter.getHostsList()); 3045 } 3046 } 3047 } 3048 3049 if (domains.size() > 0) { 3050 if (DEBUG_DOMAIN_VERIFICATION) { 3051 Slog.v(TAG, " + " + packageName); 3052 } 3053 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3054 // state w.r.t. the formal app-linkage "no verification attempted" state; 3055 // and then 'always' in the per-user state actually used for intent resolution. 3056 final IntentFilterVerificationInfo ivi; 3057 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 3058 new ArrayList<String>(domains)); 3059 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3060 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3061 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3062 } else { 3063 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3064 + "' does not handle web links"); 3065 } 3066 } else { 3067 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3068 } 3069 } 3070 3071 scheduleWritePackageRestrictionsLocked(userId); 3072 scheduleWriteSettingsLocked(); 3073 } 3074 3075 private void applyFactoryDefaultBrowserLPw(int userId) { 3076 // The default browser app's package name is stored in a string resource, 3077 // with a product-specific overlay used for vendor customization. 3078 String browserPkg = mContext.getResources().getString( 3079 com.android.internal.R.string.default_browser); 3080 if (!TextUtils.isEmpty(browserPkg)) { 3081 // non-empty string => required to be a known package 3082 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3083 if (ps == null) { 3084 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3085 browserPkg = null; 3086 } else { 3087 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3088 } 3089 } 3090 3091 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3092 // default. If there's more than one, just leave everything alone. 3093 if (browserPkg == null) { 3094 calculateDefaultBrowserLPw(userId); 3095 } 3096 } 3097 3098 private void calculateDefaultBrowserLPw(int userId) { 3099 List<String> allBrowsers = resolveAllBrowserApps(userId); 3100 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3101 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3102 } 3103 3104 private List<String> resolveAllBrowserApps(int userId) { 3105 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3106 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3107 PackageManager.MATCH_ALL, userId); 3108 3109 final int count = list.size(); 3110 List<String> result = new ArrayList<String>(count); 3111 for (int i=0; i<count; i++) { 3112 ResolveInfo info = list.get(i); 3113 if (info.activityInfo == null 3114 || !info.handleAllWebDataURI 3115 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3116 || result.contains(info.activityInfo.packageName)) { 3117 continue; 3118 } 3119 result.add(info.activityInfo.packageName); 3120 } 3121 3122 return result; 3123 } 3124 3125 private boolean packageIsBrowser(String packageName, int userId) { 3126 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3127 PackageManager.MATCH_ALL, userId); 3128 final int N = list.size(); 3129 for (int i = 0; i < N; i++) { 3130 ResolveInfo info = list.get(i); 3131 if (packageName.equals(info.activityInfo.packageName)) { 3132 return true; 3133 } 3134 } 3135 return false; 3136 } 3137 3138 private void checkDefaultBrowser() { 3139 final int myUserId = UserHandle.myUserId(); 3140 final String packageName = getDefaultBrowserPackageName(myUserId); 3141 if (packageName != null) { 3142 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3143 if (info == null) { 3144 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3145 synchronized (mPackages) { 3146 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3147 } 3148 } 3149 } 3150 } 3151 3152 @Override 3153 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3154 throws RemoteException { 3155 try { 3156 return super.onTransact(code, data, reply, flags); 3157 } catch (RuntimeException e) { 3158 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3159 Slog.wtf(TAG, "Package Manager Crash", e); 3160 } 3161 throw e; 3162 } 3163 } 3164 3165 static int[] appendInts(int[] cur, int[] add) { 3166 if (add == null) return cur; 3167 if (cur == null) return add; 3168 final int N = add.length; 3169 for (int i=0; i<N; i++) { 3170 cur = appendInt(cur, add[i]); 3171 } 3172 return cur; 3173 } 3174 3175 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3176 if (!sUserManager.exists(userId)) return null; 3177 if (ps == null) { 3178 return null; 3179 } 3180 final PackageParser.Package p = ps.pkg; 3181 if (p == null) { 3182 return null; 3183 } 3184 3185 final PermissionsState permissionsState = ps.getPermissionsState(); 3186 3187 final int[] gids = permissionsState.computeGids(userId); 3188 final Set<String> permissions = permissionsState.getPermissions(userId); 3189 final PackageUserState state = ps.readUserState(userId); 3190 3191 return PackageParser.generatePackageInfo(p, gids, flags, 3192 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3193 } 3194 3195 @Override 3196 public void checkPackageStartable(String packageName, int userId) { 3197 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3198 3199 synchronized (mPackages) { 3200 final PackageSetting ps = mSettings.mPackages.get(packageName); 3201 if (ps == null) { 3202 throw new SecurityException("Package " + packageName + " was not found!"); 3203 } 3204 3205 if (!ps.getInstalled(userId)) { 3206 throw new SecurityException( 3207 "Package " + packageName + " was not installed for user " + userId + "!"); 3208 } 3209 3210 if (mSafeMode && !ps.isSystem()) { 3211 throw new SecurityException("Package " + packageName + " not a system app!"); 3212 } 3213 3214 if (mFrozenPackages.contains(packageName)) { 3215 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3216 } 3217 3218 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3219 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3220 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3221 } 3222 } 3223 } 3224 3225 @Override 3226 public boolean isPackageAvailable(String packageName, int userId) { 3227 if (!sUserManager.exists(userId)) return false; 3228 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3229 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3230 synchronized (mPackages) { 3231 PackageParser.Package p = mPackages.get(packageName); 3232 if (p != null) { 3233 final PackageSetting ps = (PackageSetting) p.mExtras; 3234 if (ps != null) { 3235 final PackageUserState state = ps.readUserState(userId); 3236 if (state != null) { 3237 return PackageParser.isAvailable(state); 3238 } 3239 } 3240 } 3241 } 3242 return false; 3243 } 3244 3245 @Override 3246 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3247 if (!sUserManager.exists(userId)) return null; 3248 flags = updateFlagsForPackage(flags, userId, packageName); 3249 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3250 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3251 // reader 3252 synchronized (mPackages) { 3253 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3254 PackageParser.Package p = null; 3255 if (matchFactoryOnly) { 3256 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3257 if (ps != null) { 3258 return generatePackageInfo(ps, flags, userId); 3259 } 3260 } 3261 if (p == null) { 3262 p = mPackages.get(packageName); 3263 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3264 return null; 3265 } 3266 } 3267 if (DEBUG_PACKAGE_INFO) 3268 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3269 if (p != null) { 3270 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3271 } 3272 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3273 final PackageSetting ps = mSettings.mPackages.get(packageName); 3274 return generatePackageInfo(ps, flags, userId); 3275 } 3276 } 3277 return null; 3278 } 3279 3280 @Override 3281 public String[] currentToCanonicalPackageNames(String[] names) { 3282 String[] out = new String[names.length]; 3283 // reader 3284 synchronized (mPackages) { 3285 for (int i=names.length-1; i>=0; i--) { 3286 PackageSetting ps = mSettings.mPackages.get(names[i]); 3287 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3288 } 3289 } 3290 return out; 3291 } 3292 3293 @Override 3294 public String[] canonicalToCurrentPackageNames(String[] names) { 3295 String[] out = new String[names.length]; 3296 // reader 3297 synchronized (mPackages) { 3298 for (int i=names.length-1; i>=0; i--) { 3299 String cur = mSettings.mRenamedPackages.get(names[i]); 3300 out[i] = cur != null ? cur : names[i]; 3301 } 3302 } 3303 return out; 3304 } 3305 3306 @Override 3307 public int getPackageUid(String packageName, int flags, int userId) { 3308 if (!sUserManager.exists(userId)) return -1; 3309 flags = updateFlagsForPackage(flags, userId, packageName); 3310 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3311 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3312 3313 // reader 3314 synchronized (mPackages) { 3315 final PackageParser.Package p = mPackages.get(packageName); 3316 if (p != null && p.isMatch(flags)) { 3317 return UserHandle.getUid(userId, p.applicationInfo.uid); 3318 } 3319 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3320 final PackageSetting ps = mSettings.mPackages.get(packageName); 3321 if (ps != null && ps.isMatch(flags)) { 3322 return UserHandle.getUid(userId, ps.appId); 3323 } 3324 } 3325 } 3326 3327 return -1; 3328 } 3329 3330 @Override 3331 public int[] getPackageGids(String packageName, int flags, int userId) { 3332 if (!sUserManager.exists(userId)) return null; 3333 flags = updateFlagsForPackage(flags, userId, packageName); 3334 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3335 false /* requireFullPermission */, false /* checkShell */, 3336 "getPackageGids"); 3337 3338 // reader 3339 synchronized (mPackages) { 3340 final PackageParser.Package p = mPackages.get(packageName); 3341 if (p != null && p.isMatch(flags)) { 3342 PackageSetting ps = (PackageSetting) p.mExtras; 3343 return ps.getPermissionsState().computeGids(userId); 3344 } 3345 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3346 final PackageSetting ps = mSettings.mPackages.get(packageName); 3347 if (ps != null && ps.isMatch(flags)) { 3348 return ps.getPermissionsState().computeGids(userId); 3349 } 3350 } 3351 } 3352 3353 return null; 3354 } 3355 3356 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3357 if (bp.perm != null) { 3358 return PackageParser.generatePermissionInfo(bp.perm, flags); 3359 } 3360 PermissionInfo pi = new PermissionInfo(); 3361 pi.name = bp.name; 3362 pi.packageName = bp.sourcePackage; 3363 pi.nonLocalizedLabel = bp.name; 3364 pi.protectionLevel = bp.protectionLevel; 3365 return pi; 3366 } 3367 3368 @Override 3369 public PermissionInfo getPermissionInfo(String name, int flags) { 3370 // reader 3371 synchronized (mPackages) { 3372 final BasePermission p = mSettings.mPermissions.get(name); 3373 if (p != null) { 3374 return generatePermissionInfo(p, flags); 3375 } 3376 return null; 3377 } 3378 } 3379 3380 @Override 3381 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3382 int flags) { 3383 // reader 3384 synchronized (mPackages) { 3385 if (group != null && !mPermissionGroups.containsKey(group)) { 3386 // This is thrown as NameNotFoundException 3387 return null; 3388 } 3389 3390 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3391 for (BasePermission p : mSettings.mPermissions.values()) { 3392 if (group == null) { 3393 if (p.perm == null || p.perm.info.group == null) { 3394 out.add(generatePermissionInfo(p, flags)); 3395 } 3396 } else { 3397 if (p.perm != null && group.equals(p.perm.info.group)) { 3398 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3399 } 3400 } 3401 } 3402 return new ParceledListSlice<>(out); 3403 } 3404 } 3405 3406 @Override 3407 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3408 // reader 3409 synchronized (mPackages) { 3410 return PackageParser.generatePermissionGroupInfo( 3411 mPermissionGroups.get(name), flags); 3412 } 3413 } 3414 3415 @Override 3416 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3417 // reader 3418 synchronized (mPackages) { 3419 final int N = mPermissionGroups.size(); 3420 ArrayList<PermissionGroupInfo> out 3421 = new ArrayList<PermissionGroupInfo>(N); 3422 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3423 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3424 } 3425 return new ParceledListSlice<>(out); 3426 } 3427 } 3428 3429 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3430 int userId) { 3431 if (!sUserManager.exists(userId)) return null; 3432 PackageSetting ps = mSettings.mPackages.get(packageName); 3433 if (ps != null) { 3434 if (ps.pkg == null) { 3435 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3436 if (pInfo != null) { 3437 return pInfo.applicationInfo; 3438 } 3439 return null; 3440 } 3441 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3442 ps.readUserState(userId), userId); 3443 } 3444 return null; 3445 } 3446 3447 @Override 3448 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3449 if (!sUserManager.exists(userId)) return null; 3450 flags = updateFlagsForApplication(flags, userId, packageName); 3451 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3452 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3453 // writer 3454 synchronized (mPackages) { 3455 PackageParser.Package p = mPackages.get(packageName); 3456 if (DEBUG_PACKAGE_INFO) Log.v( 3457 TAG, "getApplicationInfo " + packageName 3458 + ": " + p); 3459 if (p != null) { 3460 PackageSetting ps = mSettings.mPackages.get(packageName); 3461 if (ps == null) return null; 3462 // Note: isEnabledLP() does not apply here - always return info 3463 return PackageParser.generateApplicationInfo( 3464 p, flags, ps.readUserState(userId), userId); 3465 } 3466 if ("android".equals(packageName)||"system".equals(packageName)) { 3467 return mAndroidApplication; 3468 } 3469 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3470 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3471 } 3472 } 3473 return null; 3474 } 3475 3476 @Override 3477 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3478 final IPackageDataObserver observer) { 3479 mContext.enforceCallingOrSelfPermission( 3480 android.Manifest.permission.CLEAR_APP_CACHE, null); 3481 // Queue up an async operation since clearing cache may take a little while. 3482 mHandler.post(new Runnable() { 3483 public void run() { 3484 mHandler.removeCallbacks(this); 3485 boolean success = true; 3486 synchronized (mInstallLock) { 3487 try { 3488 mInstaller.freeCache(volumeUuid, freeStorageSize); 3489 } catch (InstallerException e) { 3490 Slog.w(TAG, "Couldn't clear application caches: " + e); 3491 success = false; 3492 } 3493 } 3494 if (observer != null) { 3495 try { 3496 observer.onRemoveCompleted(null, success); 3497 } catch (RemoteException e) { 3498 Slog.w(TAG, "RemoveException when invoking call back"); 3499 } 3500 } 3501 } 3502 }); 3503 } 3504 3505 @Override 3506 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3507 final IntentSender pi) { 3508 mContext.enforceCallingOrSelfPermission( 3509 android.Manifest.permission.CLEAR_APP_CACHE, null); 3510 // Queue up an async operation since clearing cache may take a little while. 3511 mHandler.post(new Runnable() { 3512 public void run() { 3513 mHandler.removeCallbacks(this); 3514 boolean success = true; 3515 synchronized (mInstallLock) { 3516 try { 3517 mInstaller.freeCache(volumeUuid, freeStorageSize); 3518 } catch (InstallerException e) { 3519 Slog.w(TAG, "Couldn't clear application caches: " + e); 3520 success = false; 3521 } 3522 } 3523 if(pi != null) { 3524 try { 3525 // Callback via pending intent 3526 int code = success ? 1 : 0; 3527 pi.sendIntent(null, code, null, 3528 null, null); 3529 } catch (SendIntentException e1) { 3530 Slog.i(TAG, "Failed to send pending intent"); 3531 } 3532 } 3533 } 3534 }); 3535 } 3536 3537 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3538 synchronized (mInstallLock) { 3539 try { 3540 mInstaller.freeCache(volumeUuid, freeStorageSize); 3541 } catch (InstallerException e) { 3542 throw new IOException("Failed to free enough space", e); 3543 } 3544 } 3545 } 3546 3547 /** 3548 * Update given flags based on encryption status of current user. 3549 */ 3550 private int updateFlags(int flags, int userId) { 3551 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3552 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3553 // Caller expressed an explicit opinion about what encryption 3554 // aware/unaware components they want to see, so fall through and 3555 // give them what they want 3556 } else { 3557 // Caller expressed no opinion, so match based on user state 3558 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3559 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3560 } else { 3561 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3562 } 3563 } 3564 return flags; 3565 } 3566 3567 private UserManagerInternal getUserManagerInternal() { 3568 if (mUserManagerInternal == null) { 3569 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3570 } 3571 return mUserManagerInternal; 3572 } 3573 3574 /** 3575 * Update given flags when being used to request {@link PackageInfo}. 3576 */ 3577 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3578 boolean triaged = true; 3579 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3580 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3581 // Caller is asking for component details, so they'd better be 3582 // asking for specific encryption matching behavior, or be triaged 3583 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3584 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3585 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3586 triaged = false; 3587 } 3588 } 3589 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3590 | PackageManager.MATCH_SYSTEM_ONLY 3591 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3592 triaged = false; 3593 } 3594 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3595 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3596 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3597 } 3598 return updateFlags(flags, userId); 3599 } 3600 3601 /** 3602 * Update given flags when being used to request {@link ApplicationInfo}. 3603 */ 3604 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3605 return updateFlagsForPackage(flags, userId, cookie); 3606 } 3607 3608 /** 3609 * Update given flags when being used to request {@link ComponentInfo}. 3610 */ 3611 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3612 if (cookie instanceof Intent) { 3613 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3614 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3615 } 3616 } 3617 3618 boolean triaged = true; 3619 // Caller is asking for component details, so they'd better be 3620 // asking for specific encryption matching behavior, or be triaged 3621 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3622 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3623 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3624 triaged = false; 3625 } 3626 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3627 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3628 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3629 } 3630 3631 return updateFlags(flags, userId); 3632 } 3633 3634 /** 3635 * Update given flags when being used to request {@link ResolveInfo}. 3636 */ 3637 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3638 // Safe mode means we shouldn't match any third-party components 3639 if (mSafeMode) { 3640 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3641 } 3642 3643 return updateFlagsForComponent(flags, userId, cookie); 3644 } 3645 3646 @Override 3647 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3648 if (!sUserManager.exists(userId)) return null; 3649 flags = updateFlagsForComponent(flags, userId, component); 3650 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3651 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3652 synchronized (mPackages) { 3653 PackageParser.Activity a = mActivities.mActivities.get(component); 3654 3655 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3656 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3657 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3658 if (ps == null) return null; 3659 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3660 userId); 3661 } 3662 if (mResolveComponentName.equals(component)) { 3663 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3664 new PackageUserState(), userId); 3665 } 3666 } 3667 return null; 3668 } 3669 3670 @Override 3671 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3672 String resolvedType) { 3673 synchronized (mPackages) { 3674 if (component.equals(mResolveComponentName)) { 3675 // The resolver supports EVERYTHING! 3676 return true; 3677 } 3678 PackageParser.Activity a = mActivities.mActivities.get(component); 3679 if (a == null) { 3680 return false; 3681 } 3682 for (int i=0; i<a.intents.size(); i++) { 3683 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3684 intent.getData(), intent.getCategories(), TAG) >= 0) { 3685 return true; 3686 } 3687 } 3688 return false; 3689 } 3690 } 3691 3692 @Override 3693 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3694 if (!sUserManager.exists(userId)) return null; 3695 flags = updateFlagsForComponent(flags, userId, component); 3696 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3697 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3698 synchronized (mPackages) { 3699 PackageParser.Activity a = mReceivers.mActivities.get(component); 3700 if (DEBUG_PACKAGE_INFO) Log.v( 3701 TAG, "getReceiverInfo " + component + ": " + a); 3702 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3703 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3704 if (ps == null) return null; 3705 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3706 userId); 3707 } 3708 } 3709 return null; 3710 } 3711 3712 @Override 3713 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3714 if (!sUserManager.exists(userId)) return null; 3715 flags = updateFlagsForComponent(flags, userId, component); 3716 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3717 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3718 synchronized (mPackages) { 3719 PackageParser.Service s = mServices.mServices.get(component); 3720 if (DEBUG_PACKAGE_INFO) Log.v( 3721 TAG, "getServiceInfo " + component + ": " + s); 3722 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3723 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3724 if (ps == null) return null; 3725 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3726 userId); 3727 } 3728 } 3729 return null; 3730 } 3731 3732 @Override 3733 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3734 if (!sUserManager.exists(userId)) return null; 3735 flags = updateFlagsForComponent(flags, userId, component); 3736 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3737 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3738 synchronized (mPackages) { 3739 PackageParser.Provider p = mProviders.mProviders.get(component); 3740 if (DEBUG_PACKAGE_INFO) Log.v( 3741 TAG, "getProviderInfo " + component + ": " + p); 3742 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3743 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3744 if (ps == null) return null; 3745 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3746 userId); 3747 } 3748 } 3749 return null; 3750 } 3751 3752 @Override 3753 public String[] getSystemSharedLibraryNames() { 3754 Set<String> libSet; 3755 synchronized (mPackages) { 3756 libSet = mSharedLibraries.keySet(); 3757 int size = libSet.size(); 3758 if (size > 0) { 3759 String[] libs = new String[size]; 3760 libSet.toArray(libs); 3761 return libs; 3762 } 3763 } 3764 return null; 3765 } 3766 3767 @Override 3768 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3769 synchronized (mPackages) { 3770 return mServicesSystemSharedLibraryPackageName; 3771 } 3772 } 3773 3774 @Override 3775 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3776 synchronized (mPackages) { 3777 return mSharedSystemSharedLibraryPackageName; 3778 } 3779 } 3780 3781 @Override 3782 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3783 synchronized (mPackages) { 3784 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3785 3786 final FeatureInfo fi = new FeatureInfo(); 3787 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3788 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3789 res.add(fi); 3790 3791 return new ParceledListSlice<>(res); 3792 } 3793 } 3794 3795 @Override 3796 public boolean hasSystemFeature(String name, int version) { 3797 synchronized (mPackages) { 3798 final FeatureInfo feat = mAvailableFeatures.get(name); 3799 if (feat == null) { 3800 return false; 3801 } else { 3802 return feat.version >= version; 3803 } 3804 } 3805 } 3806 3807 @Override 3808 public int checkPermission(String permName, String pkgName, int userId) { 3809 if (!sUserManager.exists(userId)) { 3810 return PackageManager.PERMISSION_DENIED; 3811 } 3812 3813 synchronized (mPackages) { 3814 final PackageParser.Package p = mPackages.get(pkgName); 3815 if (p != null && p.mExtras != null) { 3816 final PackageSetting ps = (PackageSetting) p.mExtras; 3817 final PermissionsState permissionsState = ps.getPermissionsState(); 3818 if (permissionsState.hasPermission(permName, userId)) { 3819 return PackageManager.PERMISSION_GRANTED; 3820 } 3821 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3822 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3823 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3824 return PackageManager.PERMISSION_GRANTED; 3825 } 3826 } 3827 } 3828 3829 return PackageManager.PERMISSION_DENIED; 3830 } 3831 3832 @Override 3833 public int checkUidPermission(String permName, int uid) { 3834 final int userId = UserHandle.getUserId(uid); 3835 3836 if (!sUserManager.exists(userId)) { 3837 return PackageManager.PERMISSION_DENIED; 3838 } 3839 3840 synchronized (mPackages) { 3841 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3842 if (obj != null) { 3843 final SettingBase ps = (SettingBase) obj; 3844 final PermissionsState permissionsState = ps.getPermissionsState(); 3845 if (permissionsState.hasPermission(permName, userId)) { 3846 return PackageManager.PERMISSION_GRANTED; 3847 } 3848 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3849 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3850 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3851 return PackageManager.PERMISSION_GRANTED; 3852 } 3853 } else { 3854 ArraySet<String> perms = mSystemPermissions.get(uid); 3855 if (perms != null) { 3856 if (perms.contains(permName)) { 3857 return PackageManager.PERMISSION_GRANTED; 3858 } 3859 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3860 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3861 return PackageManager.PERMISSION_GRANTED; 3862 } 3863 } 3864 } 3865 } 3866 3867 return PackageManager.PERMISSION_DENIED; 3868 } 3869 3870 @Override 3871 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3872 if (UserHandle.getCallingUserId() != userId) { 3873 mContext.enforceCallingPermission( 3874 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3875 "isPermissionRevokedByPolicy for user " + userId); 3876 } 3877 3878 if (checkPermission(permission, packageName, userId) 3879 == PackageManager.PERMISSION_GRANTED) { 3880 return false; 3881 } 3882 3883 final long identity = Binder.clearCallingIdentity(); 3884 try { 3885 final int flags = getPermissionFlags(permission, packageName, userId); 3886 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3887 } finally { 3888 Binder.restoreCallingIdentity(identity); 3889 } 3890 } 3891 3892 @Override 3893 public String getPermissionControllerPackageName() { 3894 synchronized (mPackages) { 3895 return mRequiredInstallerPackage; 3896 } 3897 } 3898 3899 /** 3900 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3901 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3902 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3903 * @param message the message to log on security exception 3904 */ 3905 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3906 boolean checkShell, String message) { 3907 if (userId < 0) { 3908 throw new IllegalArgumentException("Invalid userId " + userId); 3909 } 3910 if (checkShell) { 3911 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3912 } 3913 if (userId == UserHandle.getUserId(callingUid)) return; 3914 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3915 if (requireFullPermission) { 3916 mContext.enforceCallingOrSelfPermission( 3917 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3918 } else { 3919 try { 3920 mContext.enforceCallingOrSelfPermission( 3921 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3922 } catch (SecurityException se) { 3923 mContext.enforceCallingOrSelfPermission( 3924 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3925 } 3926 } 3927 } 3928 } 3929 3930 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3931 if (callingUid == Process.SHELL_UID) { 3932 if (userHandle >= 0 3933 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3934 throw new SecurityException("Shell does not have permission to access user " 3935 + userHandle); 3936 } else if (userHandle < 0) { 3937 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3938 + Debug.getCallers(3)); 3939 } 3940 } 3941 } 3942 3943 private BasePermission findPermissionTreeLP(String permName) { 3944 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3945 if (permName.startsWith(bp.name) && 3946 permName.length() > bp.name.length() && 3947 permName.charAt(bp.name.length()) == '.') { 3948 return bp; 3949 } 3950 } 3951 return null; 3952 } 3953 3954 private BasePermission checkPermissionTreeLP(String permName) { 3955 if (permName != null) { 3956 BasePermission bp = findPermissionTreeLP(permName); 3957 if (bp != null) { 3958 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3959 return bp; 3960 } 3961 throw new SecurityException("Calling uid " 3962 + Binder.getCallingUid() 3963 + " is not allowed to add to permission tree " 3964 + bp.name + " owned by uid " + bp.uid); 3965 } 3966 } 3967 throw new SecurityException("No permission tree found for " + permName); 3968 } 3969 3970 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3971 if (s1 == null) { 3972 return s2 == null; 3973 } 3974 if (s2 == null) { 3975 return false; 3976 } 3977 if (s1.getClass() != s2.getClass()) { 3978 return false; 3979 } 3980 return s1.equals(s2); 3981 } 3982 3983 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3984 if (pi1.icon != pi2.icon) return false; 3985 if (pi1.logo != pi2.logo) return false; 3986 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3987 if (!compareStrings(pi1.name, pi2.name)) return false; 3988 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3989 // We'll take care of setting this one. 3990 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3991 // These are not currently stored in settings. 3992 //if (!compareStrings(pi1.group, pi2.group)) return false; 3993 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3994 //if (pi1.labelRes != pi2.labelRes) return false; 3995 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3996 return true; 3997 } 3998 3999 int permissionInfoFootprint(PermissionInfo info) { 4000 int size = info.name.length(); 4001 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4002 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4003 return size; 4004 } 4005 4006 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4007 int size = 0; 4008 for (BasePermission perm : mSettings.mPermissions.values()) { 4009 if (perm.uid == tree.uid) { 4010 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4011 } 4012 } 4013 return size; 4014 } 4015 4016 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4017 // We calculate the max size of permissions defined by this uid and throw 4018 // if that plus the size of 'info' would exceed our stated maximum. 4019 if (tree.uid != Process.SYSTEM_UID) { 4020 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4021 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4022 throw new SecurityException("Permission tree size cap exceeded"); 4023 } 4024 } 4025 } 4026 4027 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4028 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4029 throw new SecurityException("Label must be specified in permission"); 4030 } 4031 BasePermission tree = checkPermissionTreeLP(info.name); 4032 BasePermission bp = mSettings.mPermissions.get(info.name); 4033 boolean added = bp == null; 4034 boolean changed = true; 4035 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4036 if (added) { 4037 enforcePermissionCapLocked(info, tree); 4038 bp = new BasePermission(info.name, tree.sourcePackage, 4039 BasePermission.TYPE_DYNAMIC); 4040 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4041 throw new SecurityException( 4042 "Not allowed to modify non-dynamic permission " 4043 + info.name); 4044 } else { 4045 if (bp.protectionLevel == fixedLevel 4046 && bp.perm.owner.equals(tree.perm.owner) 4047 && bp.uid == tree.uid 4048 && comparePermissionInfos(bp.perm.info, info)) { 4049 changed = false; 4050 } 4051 } 4052 bp.protectionLevel = fixedLevel; 4053 info = new PermissionInfo(info); 4054 info.protectionLevel = fixedLevel; 4055 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4056 bp.perm.info.packageName = tree.perm.info.packageName; 4057 bp.uid = tree.uid; 4058 if (added) { 4059 mSettings.mPermissions.put(info.name, bp); 4060 } 4061 if (changed) { 4062 if (!async) { 4063 mSettings.writeLPr(); 4064 } else { 4065 scheduleWriteSettingsLocked(); 4066 } 4067 } 4068 return added; 4069 } 4070 4071 @Override 4072 public boolean addPermission(PermissionInfo info) { 4073 synchronized (mPackages) { 4074 return addPermissionLocked(info, false); 4075 } 4076 } 4077 4078 @Override 4079 public boolean addPermissionAsync(PermissionInfo info) { 4080 synchronized (mPackages) { 4081 return addPermissionLocked(info, true); 4082 } 4083 } 4084 4085 @Override 4086 public void removePermission(String name) { 4087 synchronized (mPackages) { 4088 checkPermissionTreeLP(name); 4089 BasePermission bp = mSettings.mPermissions.get(name); 4090 if (bp != null) { 4091 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4092 throw new SecurityException( 4093 "Not allowed to modify non-dynamic permission " 4094 + name); 4095 } 4096 mSettings.mPermissions.remove(name); 4097 mSettings.writeLPr(); 4098 } 4099 } 4100 } 4101 4102 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4103 BasePermission bp) { 4104 int index = pkg.requestedPermissions.indexOf(bp.name); 4105 if (index == -1) { 4106 throw new SecurityException("Package " + pkg.packageName 4107 + " has not requested permission " + bp.name); 4108 } 4109 if (!bp.isRuntime() && !bp.isDevelopment()) { 4110 throw new SecurityException("Permission " + bp.name 4111 + " is not a changeable permission type"); 4112 } 4113 } 4114 4115 @Override 4116 public void grantRuntimePermission(String packageName, String name, final int userId) { 4117 if (!sUserManager.exists(userId)) { 4118 Log.e(TAG, "No such user:" + userId); 4119 return; 4120 } 4121 4122 mContext.enforceCallingOrSelfPermission( 4123 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4124 "grantRuntimePermission"); 4125 4126 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4127 true /* requireFullPermission */, true /* checkShell */, 4128 "grantRuntimePermission"); 4129 4130 final int uid; 4131 final SettingBase sb; 4132 4133 synchronized (mPackages) { 4134 final PackageParser.Package pkg = mPackages.get(packageName); 4135 if (pkg == null) { 4136 throw new IllegalArgumentException("Unknown package: " + packageName); 4137 } 4138 4139 final BasePermission bp = mSettings.mPermissions.get(name); 4140 if (bp == null) { 4141 throw new IllegalArgumentException("Unknown permission: " + name); 4142 } 4143 4144 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4145 4146 // If a permission review is required for legacy apps we represent 4147 // their permissions as always granted runtime ones since we need 4148 // to keep the review required permission flag per user while an 4149 // install permission's state is shared across all users. 4150 if (Build.PERMISSIONS_REVIEW_REQUIRED 4151 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4152 && bp.isRuntime()) { 4153 return; 4154 } 4155 4156 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4157 sb = (SettingBase) pkg.mExtras; 4158 if (sb == null) { 4159 throw new IllegalArgumentException("Unknown package: " + packageName); 4160 } 4161 4162 final PermissionsState permissionsState = sb.getPermissionsState(); 4163 4164 final int flags = permissionsState.getPermissionFlags(name, userId); 4165 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4166 throw new SecurityException("Cannot grant system fixed permission " 4167 + name + " for package " + packageName); 4168 } 4169 4170 if (bp.isDevelopment()) { 4171 // Development permissions must be handled specially, since they are not 4172 // normal runtime permissions. For now they apply to all users. 4173 if (permissionsState.grantInstallPermission(bp) != 4174 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4175 scheduleWriteSettingsLocked(); 4176 } 4177 return; 4178 } 4179 4180 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4181 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4182 return; 4183 } 4184 4185 final int result = permissionsState.grantRuntimePermission(bp, userId); 4186 switch (result) { 4187 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4188 return; 4189 } 4190 4191 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4192 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4193 mHandler.post(new Runnable() { 4194 @Override 4195 public void run() { 4196 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4197 } 4198 }); 4199 } 4200 break; 4201 } 4202 4203 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4204 4205 // Not critical if that is lost - app has to request again. 4206 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4207 } 4208 4209 // Only need to do this if user is initialized. Otherwise it's a new user 4210 // and there are no processes running as the user yet and there's no need 4211 // to make an expensive call to remount processes for the changed permissions. 4212 if (READ_EXTERNAL_STORAGE.equals(name) 4213 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4214 final long token = Binder.clearCallingIdentity(); 4215 try { 4216 if (sUserManager.isInitialized(userId)) { 4217 MountServiceInternal mountServiceInternal = LocalServices.getService( 4218 MountServiceInternal.class); 4219 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4220 } 4221 } finally { 4222 Binder.restoreCallingIdentity(token); 4223 } 4224 } 4225 } 4226 4227 @Override 4228 public void revokeRuntimePermission(String packageName, String name, int userId) { 4229 if (!sUserManager.exists(userId)) { 4230 Log.e(TAG, "No such user:" + userId); 4231 return; 4232 } 4233 4234 mContext.enforceCallingOrSelfPermission( 4235 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4236 "revokeRuntimePermission"); 4237 4238 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4239 true /* requireFullPermission */, true /* checkShell */, 4240 "revokeRuntimePermission"); 4241 4242 final int appId; 4243 4244 synchronized (mPackages) { 4245 final PackageParser.Package pkg = mPackages.get(packageName); 4246 if (pkg == null) { 4247 throw new IllegalArgumentException("Unknown package: " + packageName); 4248 } 4249 4250 final BasePermission bp = mSettings.mPermissions.get(name); 4251 if (bp == null) { 4252 throw new IllegalArgumentException("Unknown permission: " + name); 4253 } 4254 4255 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4256 4257 // If a permission review is required for legacy apps we represent 4258 // their permissions as always granted runtime ones since we need 4259 // to keep the review required permission flag per user while an 4260 // install permission's state is shared across all users. 4261 if (Build.PERMISSIONS_REVIEW_REQUIRED 4262 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4263 && bp.isRuntime()) { 4264 return; 4265 } 4266 4267 SettingBase sb = (SettingBase) pkg.mExtras; 4268 if (sb == null) { 4269 throw new IllegalArgumentException("Unknown package: " + packageName); 4270 } 4271 4272 final PermissionsState permissionsState = sb.getPermissionsState(); 4273 4274 final int flags = permissionsState.getPermissionFlags(name, userId); 4275 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4276 throw new SecurityException("Cannot revoke system fixed permission " 4277 + name + " for package " + packageName); 4278 } 4279 4280 if (bp.isDevelopment()) { 4281 // Development permissions must be handled specially, since they are not 4282 // normal runtime permissions. For now they apply to all users. 4283 if (permissionsState.revokeInstallPermission(bp) != 4284 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4285 scheduleWriteSettingsLocked(); 4286 } 4287 return; 4288 } 4289 4290 if (permissionsState.revokeRuntimePermission(bp, userId) == 4291 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4292 return; 4293 } 4294 4295 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4296 4297 // Critical, after this call app should never have the permission. 4298 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4299 4300 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4301 } 4302 4303 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4304 } 4305 4306 @Override 4307 public void resetRuntimePermissions() { 4308 mContext.enforceCallingOrSelfPermission( 4309 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4310 "revokeRuntimePermission"); 4311 4312 int callingUid = Binder.getCallingUid(); 4313 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4314 mContext.enforceCallingOrSelfPermission( 4315 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4316 "resetRuntimePermissions"); 4317 } 4318 4319 synchronized (mPackages) { 4320 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4321 for (int userId : UserManagerService.getInstance().getUserIds()) { 4322 final int packageCount = mPackages.size(); 4323 for (int i = 0; i < packageCount; i++) { 4324 PackageParser.Package pkg = mPackages.valueAt(i); 4325 if (!(pkg.mExtras instanceof PackageSetting)) { 4326 continue; 4327 } 4328 PackageSetting ps = (PackageSetting) pkg.mExtras; 4329 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4330 } 4331 } 4332 } 4333 } 4334 4335 @Override 4336 public int getPermissionFlags(String name, String packageName, int userId) { 4337 if (!sUserManager.exists(userId)) { 4338 return 0; 4339 } 4340 4341 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4342 4343 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4344 true /* requireFullPermission */, false /* checkShell */, 4345 "getPermissionFlags"); 4346 4347 synchronized (mPackages) { 4348 final PackageParser.Package pkg = mPackages.get(packageName); 4349 if (pkg == null) { 4350 return 0; 4351 } 4352 4353 final BasePermission bp = mSettings.mPermissions.get(name); 4354 if (bp == null) { 4355 return 0; 4356 } 4357 4358 SettingBase sb = (SettingBase) pkg.mExtras; 4359 if (sb == null) { 4360 return 0; 4361 } 4362 4363 PermissionsState permissionsState = sb.getPermissionsState(); 4364 return permissionsState.getPermissionFlags(name, userId); 4365 } 4366 } 4367 4368 @Override 4369 public void updatePermissionFlags(String name, String packageName, int flagMask, 4370 int flagValues, int userId) { 4371 if (!sUserManager.exists(userId)) { 4372 return; 4373 } 4374 4375 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4376 4377 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4378 true /* requireFullPermission */, true /* checkShell */, 4379 "updatePermissionFlags"); 4380 4381 // Only the system can change these flags and nothing else. 4382 if (getCallingUid() != Process.SYSTEM_UID) { 4383 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4384 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4385 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4386 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4387 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4388 } 4389 4390 synchronized (mPackages) { 4391 final PackageParser.Package pkg = mPackages.get(packageName); 4392 if (pkg == null) { 4393 throw new IllegalArgumentException("Unknown package: " + packageName); 4394 } 4395 4396 final BasePermission bp = mSettings.mPermissions.get(name); 4397 if (bp == null) { 4398 throw new IllegalArgumentException("Unknown permission: " + name); 4399 } 4400 4401 SettingBase sb = (SettingBase) pkg.mExtras; 4402 if (sb == null) { 4403 throw new IllegalArgumentException("Unknown package: " + packageName); 4404 } 4405 4406 PermissionsState permissionsState = sb.getPermissionsState(); 4407 4408 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4409 4410 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4411 // Install and runtime permissions are stored in different places, 4412 // so figure out what permission changed and persist the change. 4413 if (permissionsState.getInstallPermissionState(name) != null) { 4414 scheduleWriteSettingsLocked(); 4415 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4416 || hadState) { 4417 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4418 } 4419 } 4420 } 4421 } 4422 4423 /** 4424 * Update the permission flags for all packages and runtime permissions of a user in order 4425 * to allow device or profile owner to remove POLICY_FIXED. 4426 */ 4427 @Override 4428 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4429 if (!sUserManager.exists(userId)) { 4430 return; 4431 } 4432 4433 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4434 4435 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4436 true /* requireFullPermission */, true /* checkShell */, 4437 "updatePermissionFlagsForAllApps"); 4438 4439 // Only the system can change system fixed flags. 4440 if (getCallingUid() != Process.SYSTEM_UID) { 4441 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4442 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4443 } 4444 4445 synchronized (mPackages) { 4446 boolean changed = false; 4447 final int packageCount = mPackages.size(); 4448 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4449 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4450 SettingBase sb = (SettingBase) pkg.mExtras; 4451 if (sb == null) { 4452 continue; 4453 } 4454 PermissionsState permissionsState = sb.getPermissionsState(); 4455 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4456 userId, flagMask, flagValues); 4457 } 4458 if (changed) { 4459 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4460 } 4461 } 4462 } 4463 4464 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4465 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4466 != PackageManager.PERMISSION_GRANTED 4467 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4468 != PackageManager.PERMISSION_GRANTED) { 4469 throw new SecurityException(message + " requires " 4470 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4471 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4472 } 4473 } 4474 4475 @Override 4476 public boolean shouldShowRequestPermissionRationale(String permissionName, 4477 String packageName, int userId) { 4478 if (UserHandle.getCallingUserId() != userId) { 4479 mContext.enforceCallingPermission( 4480 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4481 "canShowRequestPermissionRationale for user " + userId); 4482 } 4483 4484 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4485 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4486 return false; 4487 } 4488 4489 if (checkPermission(permissionName, packageName, userId) 4490 == PackageManager.PERMISSION_GRANTED) { 4491 return false; 4492 } 4493 4494 final int flags; 4495 4496 final long identity = Binder.clearCallingIdentity(); 4497 try { 4498 flags = getPermissionFlags(permissionName, 4499 packageName, userId); 4500 } finally { 4501 Binder.restoreCallingIdentity(identity); 4502 } 4503 4504 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4505 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4506 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4507 4508 if ((flags & fixedFlags) != 0) { 4509 return false; 4510 } 4511 4512 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4513 } 4514 4515 @Override 4516 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4517 mContext.enforceCallingOrSelfPermission( 4518 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4519 "addOnPermissionsChangeListener"); 4520 4521 synchronized (mPackages) { 4522 mOnPermissionChangeListeners.addListenerLocked(listener); 4523 } 4524 } 4525 4526 @Override 4527 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4528 synchronized (mPackages) { 4529 mOnPermissionChangeListeners.removeListenerLocked(listener); 4530 } 4531 } 4532 4533 @Override 4534 public boolean isProtectedBroadcast(String actionName) { 4535 synchronized (mPackages) { 4536 if (mProtectedBroadcasts.contains(actionName)) { 4537 return true; 4538 } else if (actionName != null) { 4539 // TODO: remove these terrible hacks 4540 if (actionName.startsWith("android.net.netmon.lingerExpired") 4541 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4542 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4543 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4544 return true; 4545 } 4546 } 4547 } 4548 return false; 4549 } 4550 4551 @Override 4552 public int checkSignatures(String pkg1, String pkg2) { 4553 synchronized (mPackages) { 4554 final PackageParser.Package p1 = mPackages.get(pkg1); 4555 final PackageParser.Package p2 = mPackages.get(pkg2); 4556 if (p1 == null || p1.mExtras == null 4557 || p2 == null || p2.mExtras == null) { 4558 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4559 } 4560 return compareSignatures(p1.mSignatures, p2.mSignatures); 4561 } 4562 } 4563 4564 @Override 4565 public int checkUidSignatures(int uid1, int uid2) { 4566 // Map to base uids. 4567 uid1 = UserHandle.getAppId(uid1); 4568 uid2 = UserHandle.getAppId(uid2); 4569 // reader 4570 synchronized (mPackages) { 4571 Signature[] s1; 4572 Signature[] s2; 4573 Object obj = mSettings.getUserIdLPr(uid1); 4574 if (obj != null) { 4575 if (obj instanceof SharedUserSetting) { 4576 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4577 } else if (obj instanceof PackageSetting) { 4578 s1 = ((PackageSetting)obj).signatures.mSignatures; 4579 } else { 4580 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4581 } 4582 } else { 4583 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4584 } 4585 obj = mSettings.getUserIdLPr(uid2); 4586 if (obj != null) { 4587 if (obj instanceof SharedUserSetting) { 4588 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4589 } else if (obj instanceof PackageSetting) { 4590 s2 = ((PackageSetting)obj).signatures.mSignatures; 4591 } else { 4592 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4593 } 4594 } else { 4595 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4596 } 4597 return compareSignatures(s1, s2); 4598 } 4599 } 4600 4601 /** 4602 * This method should typically only be used when granting or revoking 4603 * permissions, since the app may immediately restart after this call. 4604 * <p> 4605 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4606 * guard your work against the app being relaunched. 4607 */ 4608 private void killUid(int appId, int userId, String reason) { 4609 final long identity = Binder.clearCallingIdentity(); 4610 try { 4611 IActivityManager am = ActivityManagerNative.getDefault(); 4612 if (am != null) { 4613 try { 4614 am.killUid(appId, userId, reason); 4615 } catch (RemoteException e) { 4616 /* ignore - same process */ 4617 } 4618 } 4619 } finally { 4620 Binder.restoreCallingIdentity(identity); 4621 } 4622 } 4623 4624 /** 4625 * Compares two sets of signatures. Returns: 4626 * <br /> 4627 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4628 * <br /> 4629 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4630 * <br /> 4631 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4632 * <br /> 4633 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4634 * <br /> 4635 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4636 */ 4637 static int compareSignatures(Signature[] s1, Signature[] s2) { 4638 if (s1 == null) { 4639 return s2 == null 4640 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4641 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4642 } 4643 4644 if (s2 == null) { 4645 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4646 } 4647 4648 if (s1.length != s2.length) { 4649 return PackageManager.SIGNATURE_NO_MATCH; 4650 } 4651 4652 // Since both signature sets are of size 1, we can compare without HashSets. 4653 if (s1.length == 1) { 4654 return s1[0].equals(s2[0]) ? 4655 PackageManager.SIGNATURE_MATCH : 4656 PackageManager.SIGNATURE_NO_MATCH; 4657 } 4658 4659 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4660 for (Signature sig : s1) { 4661 set1.add(sig); 4662 } 4663 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4664 for (Signature sig : s2) { 4665 set2.add(sig); 4666 } 4667 // Make sure s2 contains all signatures in s1. 4668 if (set1.equals(set2)) { 4669 return PackageManager.SIGNATURE_MATCH; 4670 } 4671 return PackageManager.SIGNATURE_NO_MATCH; 4672 } 4673 4674 /** 4675 * If the database version for this type of package (internal storage or 4676 * external storage) is less than the version where package signatures 4677 * were updated, return true. 4678 */ 4679 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4680 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4681 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4682 } 4683 4684 /** 4685 * Used for backward compatibility to make sure any packages with 4686 * certificate chains get upgraded to the new style. {@code existingSigs} 4687 * will be in the old format (since they were stored on disk from before the 4688 * system upgrade) and {@code scannedSigs} will be in the newer format. 4689 */ 4690 private int compareSignaturesCompat(PackageSignatures existingSigs, 4691 PackageParser.Package scannedPkg) { 4692 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4693 return PackageManager.SIGNATURE_NO_MATCH; 4694 } 4695 4696 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4697 for (Signature sig : existingSigs.mSignatures) { 4698 existingSet.add(sig); 4699 } 4700 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4701 for (Signature sig : scannedPkg.mSignatures) { 4702 try { 4703 Signature[] chainSignatures = sig.getChainSignatures(); 4704 for (Signature chainSig : chainSignatures) { 4705 scannedCompatSet.add(chainSig); 4706 } 4707 } catch (CertificateEncodingException e) { 4708 scannedCompatSet.add(sig); 4709 } 4710 } 4711 /* 4712 * Make sure the expanded scanned set contains all signatures in the 4713 * existing one. 4714 */ 4715 if (scannedCompatSet.equals(existingSet)) { 4716 // Migrate the old signatures to the new scheme. 4717 existingSigs.assignSignatures(scannedPkg.mSignatures); 4718 // The new KeySets will be re-added later in the scanning process. 4719 synchronized (mPackages) { 4720 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4721 } 4722 return PackageManager.SIGNATURE_MATCH; 4723 } 4724 return PackageManager.SIGNATURE_NO_MATCH; 4725 } 4726 4727 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4728 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4729 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4730 } 4731 4732 private int compareSignaturesRecover(PackageSignatures existingSigs, 4733 PackageParser.Package scannedPkg) { 4734 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4735 return PackageManager.SIGNATURE_NO_MATCH; 4736 } 4737 4738 String msg = null; 4739 try { 4740 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4741 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4742 + scannedPkg.packageName); 4743 return PackageManager.SIGNATURE_MATCH; 4744 } 4745 } catch (CertificateException e) { 4746 msg = e.getMessage(); 4747 } 4748 4749 logCriticalInfo(Log.INFO, 4750 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4751 return PackageManager.SIGNATURE_NO_MATCH; 4752 } 4753 4754 @Override 4755 public List<String> getAllPackages() { 4756 synchronized (mPackages) { 4757 return new ArrayList<String>(mPackages.keySet()); 4758 } 4759 } 4760 4761 @Override 4762 public String[] getPackagesForUid(int uid) { 4763 uid = UserHandle.getAppId(uid); 4764 // reader 4765 synchronized (mPackages) { 4766 Object obj = mSettings.getUserIdLPr(uid); 4767 if (obj instanceof SharedUserSetting) { 4768 final SharedUserSetting sus = (SharedUserSetting) obj; 4769 final int N = sus.packages.size(); 4770 final String[] res = new String[N]; 4771 for (int i = 0; i < N; i++) { 4772 res[i] = sus.packages.valueAt(i).name; 4773 } 4774 return res; 4775 } else if (obj instanceof PackageSetting) { 4776 final PackageSetting ps = (PackageSetting) obj; 4777 return new String[] { ps.name }; 4778 } 4779 } 4780 return null; 4781 } 4782 4783 @Override 4784 public String getNameForUid(int uid) { 4785 // reader 4786 synchronized (mPackages) { 4787 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4788 if (obj instanceof SharedUserSetting) { 4789 final SharedUserSetting sus = (SharedUserSetting) obj; 4790 return sus.name + ":" + sus.userId; 4791 } else if (obj instanceof PackageSetting) { 4792 final PackageSetting ps = (PackageSetting) obj; 4793 return ps.name; 4794 } 4795 } 4796 return null; 4797 } 4798 4799 @Override 4800 public int getUidForSharedUser(String sharedUserName) { 4801 if(sharedUserName == null) { 4802 return -1; 4803 } 4804 // reader 4805 synchronized (mPackages) { 4806 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4807 if (suid == null) { 4808 return -1; 4809 } 4810 return suid.userId; 4811 } 4812 } 4813 4814 @Override 4815 public int getFlagsForUid(int uid) { 4816 synchronized (mPackages) { 4817 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4818 if (obj instanceof SharedUserSetting) { 4819 final SharedUserSetting sus = (SharedUserSetting) obj; 4820 return sus.pkgFlags; 4821 } else if (obj instanceof PackageSetting) { 4822 final PackageSetting ps = (PackageSetting) obj; 4823 return ps.pkgFlags; 4824 } 4825 } 4826 return 0; 4827 } 4828 4829 @Override 4830 public int getPrivateFlagsForUid(int uid) { 4831 synchronized (mPackages) { 4832 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4833 if (obj instanceof SharedUserSetting) { 4834 final SharedUserSetting sus = (SharedUserSetting) obj; 4835 return sus.pkgPrivateFlags; 4836 } else if (obj instanceof PackageSetting) { 4837 final PackageSetting ps = (PackageSetting) obj; 4838 return ps.pkgPrivateFlags; 4839 } 4840 } 4841 return 0; 4842 } 4843 4844 @Override 4845 public boolean isUidPrivileged(int uid) { 4846 uid = UserHandle.getAppId(uid); 4847 // reader 4848 synchronized (mPackages) { 4849 Object obj = mSettings.getUserIdLPr(uid); 4850 if (obj instanceof SharedUserSetting) { 4851 final SharedUserSetting sus = (SharedUserSetting) obj; 4852 final Iterator<PackageSetting> it = sus.packages.iterator(); 4853 while (it.hasNext()) { 4854 if (it.next().isPrivileged()) { 4855 return true; 4856 } 4857 } 4858 } else if (obj instanceof PackageSetting) { 4859 final PackageSetting ps = (PackageSetting) obj; 4860 return ps.isPrivileged(); 4861 } 4862 } 4863 return false; 4864 } 4865 4866 @Override 4867 public String[] getAppOpPermissionPackages(String permissionName) { 4868 synchronized (mPackages) { 4869 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4870 if (pkgs == null) { 4871 return null; 4872 } 4873 return pkgs.toArray(new String[pkgs.size()]); 4874 } 4875 } 4876 4877 @Override 4878 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4879 int flags, int userId) { 4880 try { 4881 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4882 4883 if (!sUserManager.exists(userId)) return null; 4884 flags = updateFlagsForResolve(flags, userId, intent); 4885 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4886 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4887 4888 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4889 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4890 flags, userId); 4891 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4892 4893 final ResolveInfo bestChoice = 4894 chooseBestActivity(intent, resolvedType, flags, query, userId); 4895 4896 if (isEphemeralAllowed(intent, query, userId)) { 4897 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4898 final EphemeralResolveInfo ai = 4899 getEphemeralResolveInfo(intent, resolvedType, userId); 4900 if (ai != null) { 4901 if (DEBUG_EPHEMERAL) { 4902 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4903 } 4904 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4905 bestChoice.ephemeralResolveInfo = ai; 4906 } 4907 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4908 } 4909 return bestChoice; 4910 } finally { 4911 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4912 } 4913 } 4914 4915 @Override 4916 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4917 IntentFilter filter, int match, ComponentName activity) { 4918 final int userId = UserHandle.getCallingUserId(); 4919 if (DEBUG_PREFERRED) { 4920 Log.v(TAG, "setLastChosenActivity intent=" + intent 4921 + " resolvedType=" + resolvedType 4922 + " flags=" + flags 4923 + " filter=" + filter 4924 + " match=" + match 4925 + " activity=" + activity); 4926 filter.dump(new PrintStreamPrinter(System.out), " "); 4927 } 4928 intent.setComponent(null); 4929 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4930 userId); 4931 // Find any earlier preferred or last chosen entries and nuke them 4932 findPreferredActivity(intent, resolvedType, 4933 flags, query, 0, false, true, false, userId); 4934 // Add the new activity as the last chosen for this filter 4935 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4936 "Setting last chosen"); 4937 } 4938 4939 @Override 4940 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4941 final int userId = UserHandle.getCallingUserId(); 4942 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4943 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4944 userId); 4945 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4946 false, false, false, userId); 4947 } 4948 4949 4950 private boolean isEphemeralAllowed( 4951 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4952 // Short circuit and return early if possible. 4953 if (DISABLE_EPHEMERAL_APPS) { 4954 return false; 4955 } 4956 final int callingUser = UserHandle.getCallingUserId(); 4957 if (callingUser != UserHandle.USER_SYSTEM) { 4958 return false; 4959 } 4960 if (mEphemeralResolverConnection == null) { 4961 return false; 4962 } 4963 if (intent.getComponent() != null) { 4964 return false; 4965 } 4966 if (intent.getPackage() != null) { 4967 return false; 4968 } 4969 final boolean isWebUri = hasWebURI(intent); 4970 if (!isWebUri) { 4971 return false; 4972 } 4973 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4974 synchronized (mPackages) { 4975 final int count = resolvedActivites.size(); 4976 for (int n = 0; n < count; n++) { 4977 ResolveInfo info = resolvedActivites.get(n); 4978 String packageName = info.activityInfo.packageName; 4979 PackageSetting ps = mSettings.mPackages.get(packageName); 4980 if (ps != null) { 4981 // Try to get the status from User settings first 4982 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4983 int status = (int) (packedStatus >> 32); 4984 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4985 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4986 if (DEBUG_EPHEMERAL) { 4987 Slog.v(TAG, "DENY ephemeral apps;" 4988 + " pkg: " + packageName + ", status: " + status); 4989 } 4990 return false; 4991 } 4992 } 4993 } 4994 } 4995 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4996 return true; 4997 } 4998 4999 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 5000 int userId) { 5001 final int ephemeralPrefixMask = Global.getInt(mContext.getContentResolver(), 5002 Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK); 5003 final int ephemeralPrefixCount = Global.getInt(mContext.getContentResolver(), 5004 Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT); 5005 final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, 5006 ephemeralPrefixCount); 5007 final int[] shaPrefix = digest.getDigestPrefix(); 5008 final byte[][] digestBytes = digest.getDigestBytes(); 5009 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 5010 mEphemeralResolverConnection.getEphemeralResolveInfoList( 5011 shaPrefix, ephemeralPrefixMask); 5012 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 5013 // No hash prefix match; there are no ephemeral apps for this domain. 5014 return null; 5015 } 5016 5017 // Go in reverse order so we match the narrowest scope first. 5018 for (int i = shaPrefix.length - 1; i >= 0 ; --i) { 5019 for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) { 5020 if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) { 5021 continue; 5022 } 5023 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 5024 // No filters; this should never happen. 5025 if (filters.isEmpty()) { 5026 continue; 5027 } 5028 // We have a domain match; resolve the filters to see if anything matches. 5029 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 5030 for (int j = filters.size() - 1; j >= 0; --j) { 5031 final EphemeralResolveIntentInfo intentInfo = 5032 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 5033 ephemeralResolver.addFilter(intentInfo); 5034 } 5035 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 5036 intent, resolvedType, false /*defaultOnly*/, userId); 5037 if (!matchedResolveInfoList.isEmpty()) { 5038 return matchedResolveInfoList.get(0); 5039 } 5040 } 5041 } 5042 // Hash or filter mis-match; no ephemeral apps for this domain. 5043 return null; 5044 } 5045 5046 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5047 int flags, List<ResolveInfo> query, int userId) { 5048 if (query != null) { 5049 final int N = query.size(); 5050 if (N == 1) { 5051 return query.get(0); 5052 } else if (N > 1) { 5053 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5054 // If there is more than one activity with the same priority, 5055 // then let the user decide between them. 5056 ResolveInfo r0 = query.get(0); 5057 ResolveInfo r1 = query.get(1); 5058 if (DEBUG_INTENT_MATCHING || debug) { 5059 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5060 + r1.activityInfo.name + "=" + r1.priority); 5061 } 5062 // If the first activity has a higher priority, or a different 5063 // default, then it is always desirable to pick it. 5064 if (r0.priority != r1.priority 5065 || r0.preferredOrder != r1.preferredOrder 5066 || r0.isDefault != r1.isDefault) { 5067 return query.get(0); 5068 } 5069 // If we have saved a preference for a preferred activity for 5070 // this Intent, use that. 5071 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5072 flags, query, r0.priority, true, false, debug, userId); 5073 if (ri != null) { 5074 return ri; 5075 } 5076 ri = new ResolveInfo(mResolveInfo); 5077 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5078 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5079 // If all of the options come from the same package, show the application's 5080 // label and icon instead of the generic resolver's. 5081 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5082 // and then throw away the ResolveInfo itself, meaning that the caller loses 5083 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5084 // a fallback for this case; we only set the target package's resources on 5085 // the ResolveInfo, not the ActivityInfo. 5086 final String intentPackage = intent.getPackage(); 5087 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5088 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5089 ri.resolvePackageName = intentPackage; 5090 if (userNeedsBadging(userId)) { 5091 ri.noResourceId = true; 5092 } else { 5093 ri.icon = appi.icon; 5094 } 5095 ri.iconResourceId = appi.icon; 5096 ri.labelRes = appi.labelRes; 5097 } 5098 ri.activityInfo.applicationInfo = new ApplicationInfo( 5099 ri.activityInfo.applicationInfo); 5100 if (userId != 0) { 5101 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5102 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5103 } 5104 // Make sure that the resolver is displayable in car mode 5105 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5106 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5107 return ri; 5108 } 5109 } 5110 return null; 5111 } 5112 5113 /** 5114 * Return true if the given list is not empty and all of its contents have 5115 * an activityInfo with the given package name. 5116 */ 5117 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5118 if (ArrayUtils.isEmpty(list)) { 5119 return false; 5120 } 5121 for (int i = 0, N = list.size(); i < N; i++) { 5122 final ResolveInfo ri = list.get(i); 5123 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5124 if (ai == null || !packageName.equals(ai.packageName)) { 5125 return false; 5126 } 5127 } 5128 return true; 5129 } 5130 5131 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5132 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5133 final int N = query.size(); 5134 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5135 .get(userId); 5136 // Get the list of persistent preferred activities that handle the intent 5137 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5138 List<PersistentPreferredActivity> pprefs = ppir != null 5139 ? ppir.queryIntent(intent, resolvedType, 5140 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5141 : null; 5142 if (pprefs != null && pprefs.size() > 0) { 5143 final int M = pprefs.size(); 5144 for (int i=0; i<M; i++) { 5145 final PersistentPreferredActivity ppa = pprefs.get(i); 5146 if (DEBUG_PREFERRED || debug) { 5147 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5148 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5149 + "\n component=" + ppa.mComponent); 5150 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5151 } 5152 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5153 flags | MATCH_DISABLED_COMPONENTS, userId); 5154 if (DEBUG_PREFERRED || debug) { 5155 Slog.v(TAG, "Found persistent preferred activity:"); 5156 if (ai != null) { 5157 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5158 } else { 5159 Slog.v(TAG, " null"); 5160 } 5161 } 5162 if (ai == null) { 5163 // This previously registered persistent preferred activity 5164 // component is no longer known. Ignore it and do NOT remove it. 5165 continue; 5166 } 5167 for (int j=0; j<N; j++) { 5168 final ResolveInfo ri = query.get(j); 5169 if (!ri.activityInfo.applicationInfo.packageName 5170 .equals(ai.applicationInfo.packageName)) { 5171 continue; 5172 } 5173 if (!ri.activityInfo.name.equals(ai.name)) { 5174 continue; 5175 } 5176 // Found a persistent preference that can handle the intent. 5177 if (DEBUG_PREFERRED || debug) { 5178 Slog.v(TAG, "Returning persistent preferred activity: " + 5179 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5180 } 5181 return ri; 5182 } 5183 } 5184 } 5185 return null; 5186 } 5187 5188 // TODO: handle preferred activities missing while user has amnesia 5189 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5190 List<ResolveInfo> query, int priority, boolean always, 5191 boolean removeMatches, boolean debug, int userId) { 5192 if (!sUserManager.exists(userId)) return null; 5193 flags = updateFlagsForResolve(flags, userId, intent); 5194 // writer 5195 synchronized (mPackages) { 5196 if (intent.getSelector() != null) { 5197 intent = intent.getSelector(); 5198 } 5199 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5200 5201 // Try to find a matching persistent preferred activity. 5202 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5203 debug, userId); 5204 5205 // If a persistent preferred activity matched, use it. 5206 if (pri != null) { 5207 return pri; 5208 } 5209 5210 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5211 // Get the list of preferred activities that handle the intent 5212 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5213 List<PreferredActivity> prefs = pir != null 5214 ? pir.queryIntent(intent, resolvedType, 5215 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5216 : null; 5217 if (prefs != null && prefs.size() > 0) { 5218 boolean changed = false; 5219 try { 5220 // First figure out how good the original match set is. 5221 // We will only allow preferred activities that came 5222 // from the same match quality. 5223 int match = 0; 5224 5225 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5226 5227 final int N = query.size(); 5228 for (int j=0; j<N; j++) { 5229 final ResolveInfo ri = query.get(j); 5230 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5231 + ": 0x" + Integer.toHexString(match)); 5232 if (ri.match > match) { 5233 match = ri.match; 5234 } 5235 } 5236 5237 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5238 + Integer.toHexString(match)); 5239 5240 match &= IntentFilter.MATCH_CATEGORY_MASK; 5241 final int M = prefs.size(); 5242 for (int i=0; i<M; i++) { 5243 final PreferredActivity pa = prefs.get(i); 5244 if (DEBUG_PREFERRED || debug) { 5245 Slog.v(TAG, "Checking PreferredActivity ds=" 5246 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5247 + "\n component=" + pa.mPref.mComponent); 5248 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5249 } 5250 if (pa.mPref.mMatch != match) { 5251 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5252 + Integer.toHexString(pa.mPref.mMatch)); 5253 continue; 5254 } 5255 // If it's not an "always" type preferred activity and that's what we're 5256 // looking for, skip it. 5257 if (always && !pa.mPref.mAlways) { 5258 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5259 continue; 5260 } 5261 final ActivityInfo ai = getActivityInfo( 5262 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5263 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5264 userId); 5265 if (DEBUG_PREFERRED || debug) { 5266 Slog.v(TAG, "Found preferred activity:"); 5267 if (ai != null) { 5268 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5269 } else { 5270 Slog.v(TAG, " null"); 5271 } 5272 } 5273 if (ai == null) { 5274 // This previously registered preferred activity 5275 // component is no longer known. Most likely an update 5276 // to the app was installed and in the new version this 5277 // component no longer exists. Clean it up by removing 5278 // it from the preferred activities list, and skip it. 5279 Slog.w(TAG, "Removing dangling preferred activity: " 5280 + pa.mPref.mComponent); 5281 pir.removeFilter(pa); 5282 changed = true; 5283 continue; 5284 } 5285 for (int j=0; j<N; j++) { 5286 final ResolveInfo ri = query.get(j); 5287 if (!ri.activityInfo.applicationInfo.packageName 5288 .equals(ai.applicationInfo.packageName)) { 5289 continue; 5290 } 5291 if (!ri.activityInfo.name.equals(ai.name)) { 5292 continue; 5293 } 5294 5295 if (removeMatches) { 5296 pir.removeFilter(pa); 5297 changed = true; 5298 if (DEBUG_PREFERRED) { 5299 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5300 } 5301 break; 5302 } 5303 5304 // Okay we found a previously set preferred or last chosen app. 5305 // If the result set is different from when this 5306 // was created, we need to clear it and re-ask the 5307 // user their preference, if we're looking for an "always" type entry. 5308 if (always && !pa.mPref.sameSet(query)) { 5309 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5310 + intent + " type " + resolvedType); 5311 if (DEBUG_PREFERRED) { 5312 Slog.v(TAG, "Removing preferred activity since set changed " 5313 + pa.mPref.mComponent); 5314 } 5315 pir.removeFilter(pa); 5316 // Re-add the filter as a "last chosen" entry (!always) 5317 PreferredActivity lastChosen = new PreferredActivity( 5318 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5319 pir.addFilter(lastChosen); 5320 changed = true; 5321 return null; 5322 } 5323 5324 // Yay! Either the set matched or we're looking for the last chosen 5325 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5326 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5327 return ri; 5328 } 5329 } 5330 } finally { 5331 if (changed) { 5332 if (DEBUG_PREFERRED) { 5333 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5334 } 5335 scheduleWritePackageRestrictionsLocked(userId); 5336 } 5337 } 5338 } 5339 } 5340 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5341 return null; 5342 } 5343 5344 /* 5345 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5346 */ 5347 @Override 5348 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5349 int targetUserId) { 5350 mContext.enforceCallingOrSelfPermission( 5351 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5352 List<CrossProfileIntentFilter> matches = 5353 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5354 if (matches != null) { 5355 int size = matches.size(); 5356 for (int i = 0; i < size; i++) { 5357 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5358 } 5359 } 5360 if (hasWebURI(intent)) { 5361 // cross-profile app linking works only towards the parent. 5362 final UserInfo parent = getProfileParent(sourceUserId); 5363 synchronized(mPackages) { 5364 int flags = updateFlagsForResolve(0, parent.id, intent); 5365 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5366 intent, resolvedType, flags, sourceUserId, parent.id); 5367 return xpDomainInfo != null; 5368 } 5369 } 5370 return false; 5371 } 5372 5373 private UserInfo getProfileParent(int userId) { 5374 final long identity = Binder.clearCallingIdentity(); 5375 try { 5376 return sUserManager.getProfileParent(userId); 5377 } finally { 5378 Binder.restoreCallingIdentity(identity); 5379 } 5380 } 5381 5382 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5383 String resolvedType, int userId) { 5384 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5385 if (resolver != null) { 5386 return resolver.queryIntent(intent, resolvedType, false, userId); 5387 } 5388 return null; 5389 } 5390 5391 @Override 5392 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5393 String resolvedType, int flags, int userId) { 5394 try { 5395 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5396 5397 return new ParceledListSlice<>( 5398 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5399 } finally { 5400 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5401 } 5402 } 5403 5404 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5405 String resolvedType, int flags, int userId) { 5406 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5407 flags = updateFlagsForResolve(flags, userId, intent); 5408 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5409 false /* requireFullPermission */, false /* checkShell */, 5410 "query intent activities"); 5411 ComponentName comp = intent.getComponent(); 5412 if (comp == null) { 5413 if (intent.getSelector() != null) { 5414 intent = intent.getSelector(); 5415 comp = intent.getComponent(); 5416 } 5417 } 5418 5419 if (comp != null) { 5420 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5421 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5422 if (ai != null) { 5423 final ResolveInfo ri = new ResolveInfo(); 5424 ri.activityInfo = ai; 5425 list.add(ri); 5426 } 5427 return list; 5428 } 5429 5430 // reader 5431 synchronized (mPackages) { 5432 final String pkgName = intent.getPackage(); 5433 if (pkgName == null) { 5434 List<CrossProfileIntentFilter> matchingFilters = 5435 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5436 // Check for results that need to skip the current profile. 5437 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5438 resolvedType, flags, userId); 5439 if (xpResolveInfo != null) { 5440 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5441 result.add(xpResolveInfo); 5442 return filterIfNotSystemUser(result, userId); 5443 } 5444 5445 // Check for results in the current profile. 5446 List<ResolveInfo> result = mActivities.queryIntent( 5447 intent, resolvedType, flags, userId); 5448 result = filterIfNotSystemUser(result, userId); 5449 5450 // Check for cross profile results. 5451 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5452 xpResolveInfo = queryCrossProfileIntents( 5453 matchingFilters, intent, resolvedType, flags, userId, 5454 hasNonNegativePriorityResult); 5455 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5456 boolean isVisibleToUser = filterIfNotSystemUser( 5457 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5458 if (isVisibleToUser) { 5459 result.add(xpResolveInfo); 5460 Collections.sort(result, mResolvePrioritySorter); 5461 } 5462 } 5463 if (hasWebURI(intent)) { 5464 CrossProfileDomainInfo xpDomainInfo = null; 5465 final UserInfo parent = getProfileParent(userId); 5466 if (parent != null) { 5467 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5468 flags, userId, parent.id); 5469 } 5470 if (xpDomainInfo != null) { 5471 if (xpResolveInfo != null) { 5472 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5473 // in the result. 5474 result.remove(xpResolveInfo); 5475 } 5476 if (result.size() == 0) { 5477 result.add(xpDomainInfo.resolveInfo); 5478 return result; 5479 } 5480 } else if (result.size() <= 1) { 5481 return result; 5482 } 5483 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5484 xpDomainInfo, userId); 5485 Collections.sort(result, mResolvePrioritySorter); 5486 } 5487 return result; 5488 } 5489 final PackageParser.Package pkg = mPackages.get(pkgName); 5490 if (pkg != null) { 5491 return filterIfNotSystemUser( 5492 mActivities.queryIntentForPackage( 5493 intent, resolvedType, flags, pkg.activities, userId), 5494 userId); 5495 } 5496 return new ArrayList<ResolveInfo>(); 5497 } 5498 } 5499 5500 private static class CrossProfileDomainInfo { 5501 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5502 ResolveInfo resolveInfo; 5503 /* Best domain verification status of the activities found in the other profile */ 5504 int bestDomainVerificationStatus; 5505 } 5506 5507 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5508 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5509 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5510 sourceUserId)) { 5511 return null; 5512 } 5513 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5514 resolvedType, flags, parentUserId); 5515 5516 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5517 return null; 5518 } 5519 CrossProfileDomainInfo result = null; 5520 int size = resultTargetUser.size(); 5521 for (int i = 0; i < size; i++) { 5522 ResolveInfo riTargetUser = resultTargetUser.get(i); 5523 // Intent filter verification is only for filters that specify a host. So don't return 5524 // those that handle all web uris. 5525 if (riTargetUser.handleAllWebDataURI) { 5526 continue; 5527 } 5528 String packageName = riTargetUser.activityInfo.packageName; 5529 PackageSetting ps = mSettings.mPackages.get(packageName); 5530 if (ps == null) { 5531 continue; 5532 } 5533 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5534 int status = (int)(verificationState >> 32); 5535 if (result == null) { 5536 result = new CrossProfileDomainInfo(); 5537 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5538 sourceUserId, parentUserId); 5539 result.bestDomainVerificationStatus = status; 5540 } else { 5541 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5542 result.bestDomainVerificationStatus); 5543 } 5544 } 5545 // Don't consider matches with status NEVER across profiles. 5546 if (result != null && result.bestDomainVerificationStatus 5547 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5548 return null; 5549 } 5550 return result; 5551 } 5552 5553 /** 5554 * Verification statuses are ordered from the worse to the best, except for 5555 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5556 */ 5557 private int bestDomainVerificationStatus(int status1, int status2) { 5558 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5559 return status2; 5560 } 5561 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5562 return status1; 5563 } 5564 return (int) MathUtils.max(status1, status2); 5565 } 5566 5567 private boolean isUserEnabled(int userId) { 5568 long callingId = Binder.clearCallingIdentity(); 5569 try { 5570 UserInfo userInfo = sUserManager.getUserInfo(userId); 5571 return userInfo != null && userInfo.isEnabled(); 5572 } finally { 5573 Binder.restoreCallingIdentity(callingId); 5574 } 5575 } 5576 5577 /** 5578 * Filter out activities with systemUserOnly flag set, when current user is not System. 5579 * 5580 * @return filtered list 5581 */ 5582 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5583 if (userId == UserHandle.USER_SYSTEM) { 5584 return resolveInfos; 5585 } 5586 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5587 ResolveInfo info = resolveInfos.get(i); 5588 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5589 resolveInfos.remove(i); 5590 } 5591 } 5592 return resolveInfos; 5593 } 5594 5595 /** 5596 * @param resolveInfos list of resolve infos in descending priority order 5597 * @return if the list contains a resolve info with non-negative priority 5598 */ 5599 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5600 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5601 } 5602 5603 private static boolean hasWebURI(Intent intent) { 5604 if (intent.getData() == null) { 5605 return false; 5606 } 5607 final String scheme = intent.getScheme(); 5608 if (TextUtils.isEmpty(scheme)) { 5609 return false; 5610 } 5611 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5612 } 5613 5614 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5615 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5616 int userId) { 5617 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5618 5619 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5620 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5621 candidates.size()); 5622 } 5623 5624 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5625 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5626 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5627 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5628 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5629 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5630 5631 synchronized (mPackages) { 5632 final int count = candidates.size(); 5633 // First, try to use linked apps. Partition the candidates into four lists: 5634 // one for the final results, one for the "do not use ever", one for "undefined status" 5635 // and finally one for "browser app type". 5636 for (int n=0; n<count; n++) { 5637 ResolveInfo info = candidates.get(n); 5638 String packageName = info.activityInfo.packageName; 5639 PackageSetting ps = mSettings.mPackages.get(packageName); 5640 if (ps != null) { 5641 // Add to the special match all list (Browser use case) 5642 if (info.handleAllWebDataURI) { 5643 matchAllList.add(info); 5644 continue; 5645 } 5646 // Try to get the status from User settings first 5647 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5648 int status = (int)(packedStatus >> 32); 5649 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5650 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5651 if (DEBUG_DOMAIN_VERIFICATION) { 5652 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5653 + " : linkgen=" + linkGeneration); 5654 } 5655 // Use link-enabled generation as preferredOrder, i.e. 5656 // prefer newly-enabled over earlier-enabled. 5657 info.preferredOrder = linkGeneration; 5658 alwaysList.add(info); 5659 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5660 if (DEBUG_DOMAIN_VERIFICATION) { 5661 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5662 } 5663 neverList.add(info); 5664 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5665 if (DEBUG_DOMAIN_VERIFICATION) { 5666 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5667 } 5668 alwaysAskList.add(info); 5669 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5670 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5671 if (DEBUG_DOMAIN_VERIFICATION) { 5672 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5673 } 5674 undefinedList.add(info); 5675 } 5676 } 5677 } 5678 5679 // We'll want to include browser possibilities in a few cases 5680 boolean includeBrowser = false; 5681 5682 // First try to add the "always" resolution(s) for the current user, if any 5683 if (alwaysList.size() > 0) { 5684 result.addAll(alwaysList); 5685 } else { 5686 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5687 result.addAll(undefinedList); 5688 // Maybe add one for the other profile. 5689 if (xpDomainInfo != null && ( 5690 xpDomainInfo.bestDomainVerificationStatus 5691 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5692 result.add(xpDomainInfo.resolveInfo); 5693 } 5694 includeBrowser = true; 5695 } 5696 5697 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5698 // If there were 'always' entries their preferred order has been set, so we also 5699 // back that off to make the alternatives equivalent 5700 if (alwaysAskList.size() > 0) { 5701 for (ResolveInfo i : result) { 5702 i.preferredOrder = 0; 5703 } 5704 result.addAll(alwaysAskList); 5705 includeBrowser = true; 5706 } 5707 5708 if (includeBrowser) { 5709 // Also add browsers (all of them or only the default one) 5710 if (DEBUG_DOMAIN_VERIFICATION) { 5711 Slog.v(TAG, " ...including browsers in candidate set"); 5712 } 5713 if ((matchFlags & MATCH_ALL) != 0) { 5714 result.addAll(matchAllList); 5715 } else { 5716 // Browser/generic handling case. If there's a default browser, go straight 5717 // to that (but only if there is no other higher-priority match). 5718 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5719 int maxMatchPrio = 0; 5720 ResolveInfo defaultBrowserMatch = null; 5721 final int numCandidates = matchAllList.size(); 5722 for (int n = 0; n < numCandidates; n++) { 5723 ResolveInfo info = matchAllList.get(n); 5724 // track the highest overall match priority... 5725 if (info.priority > maxMatchPrio) { 5726 maxMatchPrio = info.priority; 5727 } 5728 // ...and the highest-priority default browser match 5729 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5730 if (defaultBrowserMatch == null 5731 || (defaultBrowserMatch.priority < info.priority)) { 5732 if (debug) { 5733 Slog.v(TAG, "Considering default browser match " + info); 5734 } 5735 defaultBrowserMatch = info; 5736 } 5737 } 5738 } 5739 if (defaultBrowserMatch != null 5740 && defaultBrowserMatch.priority >= maxMatchPrio 5741 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5742 { 5743 if (debug) { 5744 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5745 } 5746 result.add(defaultBrowserMatch); 5747 } else { 5748 result.addAll(matchAllList); 5749 } 5750 } 5751 5752 // If there is nothing selected, add all candidates and remove the ones that the user 5753 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5754 if (result.size() == 0) { 5755 result.addAll(candidates); 5756 result.removeAll(neverList); 5757 } 5758 } 5759 } 5760 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5761 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5762 result.size()); 5763 for (ResolveInfo info : result) { 5764 Slog.v(TAG, " + " + info.activityInfo); 5765 } 5766 } 5767 return result; 5768 } 5769 5770 // Returns a packed value as a long: 5771 // 5772 // high 'int'-sized word: link status: undefined/ask/never/always. 5773 // low 'int'-sized word: relative priority among 'always' results. 5774 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5775 long result = ps.getDomainVerificationStatusForUser(userId); 5776 // if none available, get the master status 5777 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5778 if (ps.getIntentFilterVerificationInfo() != null) { 5779 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5780 } 5781 } 5782 return result; 5783 } 5784 5785 private ResolveInfo querySkipCurrentProfileIntents( 5786 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5787 int flags, int sourceUserId) { 5788 if (matchingFilters != null) { 5789 int size = matchingFilters.size(); 5790 for (int i = 0; i < size; i ++) { 5791 CrossProfileIntentFilter filter = matchingFilters.get(i); 5792 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5793 // Checking if there are activities in the target user that can handle the 5794 // intent. 5795 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5796 resolvedType, flags, sourceUserId); 5797 if (resolveInfo != null) { 5798 return resolveInfo; 5799 } 5800 } 5801 } 5802 } 5803 return null; 5804 } 5805 5806 // Return matching ResolveInfo in target user if any. 5807 private ResolveInfo queryCrossProfileIntents( 5808 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5809 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5810 if (matchingFilters != null) { 5811 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5812 // match the same intent. For performance reasons, it is better not to 5813 // run queryIntent twice for the same userId 5814 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5815 int size = matchingFilters.size(); 5816 for (int i = 0; i < size; i++) { 5817 CrossProfileIntentFilter filter = matchingFilters.get(i); 5818 int targetUserId = filter.getTargetUserId(); 5819 boolean skipCurrentProfile = 5820 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5821 boolean skipCurrentProfileIfNoMatchFound = 5822 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5823 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5824 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5825 // Checking if there are activities in the target user that can handle the 5826 // intent. 5827 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5828 resolvedType, flags, sourceUserId); 5829 if (resolveInfo != null) return resolveInfo; 5830 alreadyTriedUserIds.put(targetUserId, true); 5831 } 5832 } 5833 } 5834 return null; 5835 } 5836 5837 /** 5838 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5839 * will forward the intent to the filter's target user. 5840 * Otherwise, returns null. 5841 */ 5842 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5843 String resolvedType, int flags, int sourceUserId) { 5844 int targetUserId = filter.getTargetUserId(); 5845 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5846 resolvedType, flags, targetUserId); 5847 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5848 // If all the matches in the target profile are suspended, return null. 5849 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5850 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5851 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5852 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5853 targetUserId); 5854 } 5855 } 5856 } 5857 return null; 5858 } 5859 5860 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5861 int sourceUserId, int targetUserId) { 5862 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5863 long ident = Binder.clearCallingIdentity(); 5864 boolean targetIsProfile; 5865 try { 5866 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5867 } finally { 5868 Binder.restoreCallingIdentity(ident); 5869 } 5870 String className; 5871 if (targetIsProfile) { 5872 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5873 } else { 5874 className = FORWARD_INTENT_TO_PARENT; 5875 } 5876 ComponentName forwardingActivityComponentName = new ComponentName( 5877 mAndroidApplication.packageName, className); 5878 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5879 sourceUserId); 5880 if (!targetIsProfile) { 5881 forwardingActivityInfo.showUserIcon = targetUserId; 5882 forwardingResolveInfo.noResourceId = true; 5883 } 5884 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5885 forwardingResolveInfo.priority = 0; 5886 forwardingResolveInfo.preferredOrder = 0; 5887 forwardingResolveInfo.match = 0; 5888 forwardingResolveInfo.isDefault = true; 5889 forwardingResolveInfo.filter = filter; 5890 forwardingResolveInfo.targetUserId = targetUserId; 5891 return forwardingResolveInfo; 5892 } 5893 5894 @Override 5895 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5896 Intent[] specifics, String[] specificTypes, Intent intent, 5897 String resolvedType, int flags, int userId) { 5898 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5899 specificTypes, intent, resolvedType, flags, userId)); 5900 } 5901 5902 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5903 Intent[] specifics, String[] specificTypes, Intent intent, 5904 String resolvedType, int flags, int userId) { 5905 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5906 flags = updateFlagsForResolve(flags, userId, intent); 5907 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5908 false /* requireFullPermission */, false /* checkShell */, 5909 "query intent activity options"); 5910 final String resultsAction = intent.getAction(); 5911 5912 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5913 | PackageManager.GET_RESOLVED_FILTER, userId); 5914 5915 if (DEBUG_INTENT_MATCHING) { 5916 Log.v(TAG, "Query " + intent + ": " + results); 5917 } 5918 5919 int specificsPos = 0; 5920 int N; 5921 5922 // todo: note that the algorithm used here is O(N^2). This 5923 // isn't a problem in our current environment, but if we start running 5924 // into situations where we have more than 5 or 10 matches then this 5925 // should probably be changed to something smarter... 5926 5927 // First we go through and resolve each of the specific items 5928 // that were supplied, taking care of removing any corresponding 5929 // duplicate items in the generic resolve list. 5930 if (specifics != null) { 5931 for (int i=0; i<specifics.length; i++) { 5932 final Intent sintent = specifics[i]; 5933 if (sintent == null) { 5934 continue; 5935 } 5936 5937 if (DEBUG_INTENT_MATCHING) { 5938 Log.v(TAG, "Specific #" + i + ": " + sintent); 5939 } 5940 5941 String action = sintent.getAction(); 5942 if (resultsAction != null && resultsAction.equals(action)) { 5943 // If this action was explicitly requested, then don't 5944 // remove things that have it. 5945 action = null; 5946 } 5947 5948 ResolveInfo ri = null; 5949 ActivityInfo ai = null; 5950 5951 ComponentName comp = sintent.getComponent(); 5952 if (comp == null) { 5953 ri = resolveIntent( 5954 sintent, 5955 specificTypes != null ? specificTypes[i] : null, 5956 flags, userId); 5957 if (ri == null) { 5958 continue; 5959 } 5960 if (ri == mResolveInfo) { 5961 // ACK! Must do something better with this. 5962 } 5963 ai = ri.activityInfo; 5964 comp = new ComponentName(ai.applicationInfo.packageName, 5965 ai.name); 5966 } else { 5967 ai = getActivityInfo(comp, flags, userId); 5968 if (ai == null) { 5969 continue; 5970 } 5971 } 5972 5973 // Look for any generic query activities that are duplicates 5974 // of this specific one, and remove them from the results. 5975 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5976 N = results.size(); 5977 int j; 5978 for (j=specificsPos; j<N; j++) { 5979 ResolveInfo sri = results.get(j); 5980 if ((sri.activityInfo.name.equals(comp.getClassName()) 5981 && sri.activityInfo.applicationInfo.packageName.equals( 5982 comp.getPackageName())) 5983 || (action != null && sri.filter.matchAction(action))) { 5984 results.remove(j); 5985 if (DEBUG_INTENT_MATCHING) Log.v( 5986 TAG, "Removing duplicate item from " + j 5987 + " due to specific " + specificsPos); 5988 if (ri == null) { 5989 ri = sri; 5990 } 5991 j--; 5992 N--; 5993 } 5994 } 5995 5996 // Add this specific item to its proper place. 5997 if (ri == null) { 5998 ri = new ResolveInfo(); 5999 ri.activityInfo = ai; 6000 } 6001 results.add(specificsPos, ri); 6002 ri.specificIndex = i; 6003 specificsPos++; 6004 } 6005 } 6006 6007 // Now we go through the remaining generic results and remove any 6008 // duplicate actions that are found here. 6009 N = results.size(); 6010 for (int i=specificsPos; i<N-1; i++) { 6011 final ResolveInfo rii = results.get(i); 6012 if (rii.filter == null) { 6013 continue; 6014 } 6015 6016 // Iterate over all of the actions of this result's intent 6017 // filter... typically this should be just one. 6018 final Iterator<String> it = rii.filter.actionsIterator(); 6019 if (it == null) { 6020 continue; 6021 } 6022 while (it.hasNext()) { 6023 final String action = it.next(); 6024 if (resultsAction != null && resultsAction.equals(action)) { 6025 // If this action was explicitly requested, then don't 6026 // remove things that have it. 6027 continue; 6028 } 6029 for (int j=i+1; j<N; j++) { 6030 final ResolveInfo rij = results.get(j); 6031 if (rij.filter != null && rij.filter.hasAction(action)) { 6032 results.remove(j); 6033 if (DEBUG_INTENT_MATCHING) Log.v( 6034 TAG, "Removing duplicate item from " + j 6035 + " due to action " + action + " at " + i); 6036 j--; 6037 N--; 6038 } 6039 } 6040 } 6041 6042 // If the caller didn't request filter information, drop it now 6043 // so we don't have to marshall/unmarshall it. 6044 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6045 rii.filter = null; 6046 } 6047 } 6048 6049 // Filter out the caller activity if so requested. 6050 if (caller != null) { 6051 N = results.size(); 6052 for (int i=0; i<N; i++) { 6053 ActivityInfo ainfo = results.get(i).activityInfo; 6054 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6055 && caller.getClassName().equals(ainfo.name)) { 6056 results.remove(i); 6057 break; 6058 } 6059 } 6060 } 6061 6062 // If the caller didn't request filter information, 6063 // drop them now so we don't have to 6064 // marshall/unmarshall it. 6065 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6066 N = results.size(); 6067 for (int i=0; i<N; i++) { 6068 results.get(i).filter = null; 6069 } 6070 } 6071 6072 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6073 return results; 6074 } 6075 6076 @Override 6077 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6078 String resolvedType, int flags, int userId) { 6079 return new ParceledListSlice<>( 6080 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6081 } 6082 6083 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6084 String resolvedType, int flags, int userId) { 6085 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6086 flags = updateFlagsForResolve(flags, userId, intent); 6087 ComponentName comp = intent.getComponent(); 6088 if (comp == null) { 6089 if (intent.getSelector() != null) { 6090 intent = intent.getSelector(); 6091 comp = intent.getComponent(); 6092 } 6093 } 6094 if (comp != null) { 6095 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6096 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6097 if (ai != null) { 6098 ResolveInfo ri = new ResolveInfo(); 6099 ri.activityInfo = ai; 6100 list.add(ri); 6101 } 6102 return list; 6103 } 6104 6105 // reader 6106 synchronized (mPackages) { 6107 String pkgName = intent.getPackage(); 6108 if (pkgName == null) { 6109 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6110 } 6111 final PackageParser.Package pkg = mPackages.get(pkgName); 6112 if (pkg != null) { 6113 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6114 userId); 6115 } 6116 return Collections.emptyList(); 6117 } 6118 } 6119 6120 @Override 6121 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6122 if (!sUserManager.exists(userId)) return null; 6123 flags = updateFlagsForResolve(flags, userId, intent); 6124 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6125 if (query != null) { 6126 if (query.size() >= 1) { 6127 // If there is more than one service with the same priority, 6128 // just arbitrarily pick the first one. 6129 return query.get(0); 6130 } 6131 } 6132 return null; 6133 } 6134 6135 @Override 6136 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6137 String resolvedType, int flags, int userId) { 6138 return new ParceledListSlice<>( 6139 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6140 } 6141 6142 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6143 String resolvedType, int flags, int userId) { 6144 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6145 flags = updateFlagsForResolve(flags, userId, intent); 6146 ComponentName comp = intent.getComponent(); 6147 if (comp == null) { 6148 if (intent.getSelector() != null) { 6149 intent = intent.getSelector(); 6150 comp = intent.getComponent(); 6151 } 6152 } 6153 if (comp != null) { 6154 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6155 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6156 if (si != null) { 6157 final ResolveInfo ri = new ResolveInfo(); 6158 ri.serviceInfo = si; 6159 list.add(ri); 6160 } 6161 return list; 6162 } 6163 6164 // reader 6165 synchronized (mPackages) { 6166 String pkgName = intent.getPackage(); 6167 if (pkgName == null) { 6168 return mServices.queryIntent(intent, resolvedType, flags, userId); 6169 } 6170 final PackageParser.Package pkg = mPackages.get(pkgName); 6171 if (pkg != null) { 6172 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6173 userId); 6174 } 6175 return Collections.emptyList(); 6176 } 6177 } 6178 6179 @Override 6180 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6181 String resolvedType, int flags, int userId) { 6182 return new ParceledListSlice<>( 6183 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6184 } 6185 6186 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6187 Intent intent, String resolvedType, int flags, int userId) { 6188 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6189 flags = updateFlagsForResolve(flags, userId, intent); 6190 ComponentName comp = intent.getComponent(); 6191 if (comp == null) { 6192 if (intent.getSelector() != null) { 6193 intent = intent.getSelector(); 6194 comp = intent.getComponent(); 6195 } 6196 } 6197 if (comp != null) { 6198 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6199 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6200 if (pi != null) { 6201 final ResolveInfo ri = new ResolveInfo(); 6202 ri.providerInfo = pi; 6203 list.add(ri); 6204 } 6205 return list; 6206 } 6207 6208 // reader 6209 synchronized (mPackages) { 6210 String pkgName = intent.getPackage(); 6211 if (pkgName == null) { 6212 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6213 } 6214 final PackageParser.Package pkg = mPackages.get(pkgName); 6215 if (pkg != null) { 6216 return mProviders.queryIntentForPackage( 6217 intent, resolvedType, flags, pkg.providers, userId); 6218 } 6219 return Collections.emptyList(); 6220 } 6221 } 6222 6223 @Override 6224 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6225 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6226 flags = updateFlagsForPackage(flags, userId, null); 6227 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6228 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6229 true /* requireFullPermission */, false /* checkShell */, 6230 "get installed packages"); 6231 6232 // writer 6233 synchronized (mPackages) { 6234 ArrayList<PackageInfo> list; 6235 if (listUninstalled) { 6236 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6237 for (PackageSetting ps : mSettings.mPackages.values()) { 6238 final PackageInfo pi; 6239 if (ps.pkg != null) { 6240 pi = generatePackageInfo(ps, flags, userId); 6241 } else { 6242 pi = generatePackageInfo(ps, flags, userId); 6243 } 6244 if (pi != null) { 6245 list.add(pi); 6246 } 6247 } 6248 } else { 6249 list = new ArrayList<PackageInfo>(mPackages.size()); 6250 for (PackageParser.Package p : mPackages.values()) { 6251 final PackageInfo pi = 6252 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6253 if (pi != null) { 6254 list.add(pi); 6255 } 6256 } 6257 } 6258 6259 return new ParceledListSlice<PackageInfo>(list); 6260 } 6261 } 6262 6263 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6264 String[] permissions, boolean[] tmp, int flags, int userId) { 6265 int numMatch = 0; 6266 final PermissionsState permissionsState = ps.getPermissionsState(); 6267 for (int i=0; i<permissions.length; i++) { 6268 final String permission = permissions[i]; 6269 if (permissionsState.hasPermission(permission, userId)) { 6270 tmp[i] = true; 6271 numMatch++; 6272 } else { 6273 tmp[i] = false; 6274 } 6275 } 6276 if (numMatch == 0) { 6277 return; 6278 } 6279 final PackageInfo pi; 6280 if (ps.pkg != null) { 6281 pi = generatePackageInfo(ps, flags, userId); 6282 } else { 6283 pi = generatePackageInfo(ps, flags, userId); 6284 } 6285 // The above might return null in cases of uninstalled apps or install-state 6286 // skew across users/profiles. 6287 if (pi != null) { 6288 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6289 if (numMatch == permissions.length) { 6290 pi.requestedPermissions = permissions; 6291 } else { 6292 pi.requestedPermissions = new String[numMatch]; 6293 numMatch = 0; 6294 for (int i=0; i<permissions.length; i++) { 6295 if (tmp[i]) { 6296 pi.requestedPermissions[numMatch] = permissions[i]; 6297 numMatch++; 6298 } 6299 } 6300 } 6301 } 6302 list.add(pi); 6303 } 6304 } 6305 6306 @Override 6307 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6308 String[] permissions, int flags, int userId) { 6309 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6310 flags = updateFlagsForPackage(flags, userId, permissions); 6311 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6312 6313 // writer 6314 synchronized (mPackages) { 6315 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6316 boolean[] tmpBools = new boolean[permissions.length]; 6317 if (listUninstalled) { 6318 for (PackageSetting ps : mSettings.mPackages.values()) { 6319 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6320 } 6321 } else { 6322 for (PackageParser.Package pkg : mPackages.values()) { 6323 PackageSetting ps = (PackageSetting)pkg.mExtras; 6324 if (ps != null) { 6325 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6326 userId); 6327 } 6328 } 6329 } 6330 6331 return new ParceledListSlice<PackageInfo>(list); 6332 } 6333 } 6334 6335 @Override 6336 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6337 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6338 flags = updateFlagsForApplication(flags, userId, null); 6339 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6340 6341 // writer 6342 synchronized (mPackages) { 6343 ArrayList<ApplicationInfo> list; 6344 if (listUninstalled) { 6345 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6346 for (PackageSetting ps : mSettings.mPackages.values()) { 6347 ApplicationInfo ai; 6348 if (ps.pkg != null) { 6349 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6350 ps.readUserState(userId), userId); 6351 } else { 6352 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6353 } 6354 if (ai != null) { 6355 list.add(ai); 6356 } 6357 } 6358 } else { 6359 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6360 for (PackageParser.Package p : mPackages.values()) { 6361 if (p.mExtras != null) { 6362 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6363 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6364 if (ai != null) { 6365 list.add(ai); 6366 } 6367 } 6368 } 6369 } 6370 6371 return new ParceledListSlice<ApplicationInfo>(list); 6372 } 6373 } 6374 6375 @Override 6376 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6377 if (DISABLE_EPHEMERAL_APPS) { 6378 return null; 6379 } 6380 6381 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6382 "getEphemeralApplications"); 6383 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6384 true /* requireFullPermission */, false /* checkShell */, 6385 "getEphemeralApplications"); 6386 synchronized (mPackages) { 6387 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6388 .getEphemeralApplicationsLPw(userId); 6389 if (ephemeralApps != null) { 6390 return new ParceledListSlice<>(ephemeralApps); 6391 } 6392 } 6393 return null; 6394 } 6395 6396 @Override 6397 public boolean isEphemeralApplication(String packageName, int userId) { 6398 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6399 true /* requireFullPermission */, false /* checkShell */, 6400 "isEphemeral"); 6401 if (DISABLE_EPHEMERAL_APPS) { 6402 return false; 6403 } 6404 6405 if (!isCallerSameApp(packageName)) { 6406 return false; 6407 } 6408 synchronized (mPackages) { 6409 PackageParser.Package pkg = mPackages.get(packageName); 6410 if (pkg != null) { 6411 return pkg.applicationInfo.isEphemeralApp(); 6412 } 6413 } 6414 return false; 6415 } 6416 6417 @Override 6418 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6419 if (DISABLE_EPHEMERAL_APPS) { 6420 return null; 6421 } 6422 6423 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6424 true /* requireFullPermission */, false /* checkShell */, 6425 "getCookie"); 6426 if (!isCallerSameApp(packageName)) { 6427 return null; 6428 } 6429 synchronized (mPackages) { 6430 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6431 packageName, userId); 6432 } 6433 } 6434 6435 @Override 6436 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6437 if (DISABLE_EPHEMERAL_APPS) { 6438 return true; 6439 } 6440 6441 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6442 true /* requireFullPermission */, true /* checkShell */, 6443 "setCookie"); 6444 if (!isCallerSameApp(packageName)) { 6445 return false; 6446 } 6447 synchronized (mPackages) { 6448 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6449 packageName, cookie, userId); 6450 } 6451 } 6452 6453 @Override 6454 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6455 if (DISABLE_EPHEMERAL_APPS) { 6456 return null; 6457 } 6458 6459 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6460 "getEphemeralApplicationIcon"); 6461 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6462 true /* requireFullPermission */, false /* checkShell */, 6463 "getEphemeralApplicationIcon"); 6464 synchronized (mPackages) { 6465 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6466 packageName, userId); 6467 } 6468 } 6469 6470 private boolean isCallerSameApp(String packageName) { 6471 PackageParser.Package pkg = mPackages.get(packageName); 6472 return pkg != null 6473 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6474 } 6475 6476 @Override 6477 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6478 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6479 } 6480 6481 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6482 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6483 6484 // reader 6485 synchronized (mPackages) { 6486 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6487 final int userId = UserHandle.getCallingUserId(); 6488 while (i.hasNext()) { 6489 final PackageParser.Package p = i.next(); 6490 if (p.applicationInfo == null) continue; 6491 6492 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6493 && !p.applicationInfo.isDirectBootAware(); 6494 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6495 && p.applicationInfo.isDirectBootAware(); 6496 6497 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6498 && (!mSafeMode || isSystemApp(p)) 6499 && (matchesUnaware || matchesAware)) { 6500 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6501 if (ps != null) { 6502 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6503 ps.readUserState(userId), userId); 6504 if (ai != null) { 6505 finalList.add(ai); 6506 } 6507 } 6508 } 6509 } 6510 } 6511 6512 return finalList; 6513 } 6514 6515 @Override 6516 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6517 if (!sUserManager.exists(userId)) return null; 6518 flags = updateFlagsForComponent(flags, userId, name); 6519 // reader 6520 synchronized (mPackages) { 6521 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6522 PackageSetting ps = provider != null 6523 ? mSettings.mPackages.get(provider.owner.packageName) 6524 : null; 6525 return ps != null 6526 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6527 ? PackageParser.generateProviderInfo(provider, flags, 6528 ps.readUserState(userId), userId) 6529 : null; 6530 } 6531 } 6532 6533 /** 6534 * @deprecated 6535 */ 6536 @Deprecated 6537 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6538 // reader 6539 synchronized (mPackages) { 6540 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6541 .entrySet().iterator(); 6542 final int userId = UserHandle.getCallingUserId(); 6543 while (i.hasNext()) { 6544 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6545 PackageParser.Provider p = entry.getValue(); 6546 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6547 6548 if (ps != null && p.syncable 6549 && (!mSafeMode || (p.info.applicationInfo.flags 6550 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6551 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6552 ps.readUserState(userId), userId); 6553 if (info != null) { 6554 outNames.add(entry.getKey()); 6555 outInfo.add(info); 6556 } 6557 } 6558 } 6559 } 6560 } 6561 6562 @Override 6563 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6564 int uid, int flags) { 6565 final int userId = processName != null ? UserHandle.getUserId(uid) 6566 : UserHandle.getCallingUserId(); 6567 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6568 flags = updateFlagsForComponent(flags, userId, processName); 6569 6570 ArrayList<ProviderInfo> finalList = null; 6571 // reader 6572 synchronized (mPackages) { 6573 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6574 while (i.hasNext()) { 6575 final PackageParser.Provider p = i.next(); 6576 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6577 if (ps != null && p.info.authority != null 6578 && (processName == null 6579 || (p.info.processName.equals(processName) 6580 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6581 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6582 if (finalList == null) { 6583 finalList = new ArrayList<ProviderInfo>(3); 6584 } 6585 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6586 ps.readUserState(userId), userId); 6587 if (info != null) { 6588 finalList.add(info); 6589 } 6590 } 6591 } 6592 } 6593 6594 if (finalList != null) { 6595 Collections.sort(finalList, mProviderInitOrderSorter); 6596 return new ParceledListSlice<ProviderInfo>(finalList); 6597 } 6598 6599 return ParceledListSlice.emptyList(); 6600 } 6601 6602 @Override 6603 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6604 // reader 6605 synchronized (mPackages) { 6606 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6607 return PackageParser.generateInstrumentationInfo(i, flags); 6608 } 6609 } 6610 6611 @Override 6612 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6613 String targetPackage, int flags) { 6614 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6615 } 6616 6617 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6618 int flags) { 6619 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6620 6621 // reader 6622 synchronized (mPackages) { 6623 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6624 while (i.hasNext()) { 6625 final PackageParser.Instrumentation p = i.next(); 6626 if (targetPackage == null 6627 || targetPackage.equals(p.info.targetPackage)) { 6628 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6629 flags); 6630 if (ii != null) { 6631 finalList.add(ii); 6632 } 6633 } 6634 } 6635 } 6636 6637 return finalList; 6638 } 6639 6640 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6641 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6642 if (overlays == null) { 6643 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6644 return; 6645 } 6646 for (PackageParser.Package opkg : overlays.values()) { 6647 // Not much to do if idmap fails: we already logged the error 6648 // and we certainly don't want to abort installation of pkg simply 6649 // because an overlay didn't fit properly. For these reasons, 6650 // ignore the return value of createIdmapForPackagePairLI. 6651 createIdmapForPackagePairLI(pkg, opkg); 6652 } 6653 } 6654 6655 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6656 PackageParser.Package opkg) { 6657 if (!opkg.mTrustedOverlay) { 6658 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6659 opkg.baseCodePath + ": overlay not trusted"); 6660 return false; 6661 } 6662 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6663 if (overlaySet == null) { 6664 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6665 opkg.baseCodePath + " but target package has no known overlays"); 6666 return false; 6667 } 6668 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6669 // TODO: generate idmap for split APKs 6670 try { 6671 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6672 } catch (InstallerException e) { 6673 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6674 + opkg.baseCodePath); 6675 return false; 6676 } 6677 PackageParser.Package[] overlayArray = 6678 overlaySet.values().toArray(new PackageParser.Package[0]); 6679 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6680 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6681 return p1.mOverlayPriority - p2.mOverlayPriority; 6682 } 6683 }; 6684 Arrays.sort(overlayArray, cmp); 6685 6686 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6687 int i = 0; 6688 for (PackageParser.Package p : overlayArray) { 6689 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6690 } 6691 return true; 6692 } 6693 6694 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6695 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6696 try { 6697 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6698 } finally { 6699 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6700 } 6701 } 6702 6703 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6704 final File[] files = dir.listFiles(); 6705 if (ArrayUtils.isEmpty(files)) { 6706 Log.d(TAG, "No files in app dir " + dir); 6707 return; 6708 } 6709 6710 if (DEBUG_PACKAGE_SCANNING) { 6711 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6712 + " flags=0x" + Integer.toHexString(parseFlags)); 6713 } 6714 6715 for (File file : files) { 6716 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6717 && !PackageInstallerService.isStageName(file.getName()); 6718 if (!isPackage) { 6719 // Ignore entries which are not packages 6720 continue; 6721 } 6722 try { 6723 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6724 scanFlags, currentTime, null); 6725 } catch (PackageManagerException e) { 6726 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6727 6728 // Delete invalid userdata apps 6729 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6730 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6731 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6732 removeCodePathLI(file); 6733 } 6734 } 6735 } 6736 } 6737 6738 private static File getSettingsProblemFile() { 6739 File dataDir = Environment.getDataDirectory(); 6740 File systemDir = new File(dataDir, "system"); 6741 File fname = new File(systemDir, "uiderrors.txt"); 6742 return fname; 6743 } 6744 6745 static void reportSettingsProblem(int priority, String msg) { 6746 logCriticalInfo(priority, msg); 6747 } 6748 6749 static void logCriticalInfo(int priority, String msg) { 6750 Slog.println(priority, TAG, msg); 6751 EventLogTags.writePmCriticalInfo(msg); 6752 try { 6753 File fname = getSettingsProblemFile(); 6754 FileOutputStream out = new FileOutputStream(fname, true); 6755 PrintWriter pw = new FastPrintWriter(out); 6756 SimpleDateFormat formatter = new SimpleDateFormat(); 6757 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6758 pw.println(dateString + ": " + msg); 6759 pw.close(); 6760 FileUtils.setPermissions( 6761 fname.toString(), 6762 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6763 -1, -1); 6764 } catch (java.io.IOException e) { 6765 } 6766 } 6767 6768 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 6769 if (srcFile.isDirectory()) { 6770 final File baseFile = new File(pkg.baseCodePath); 6771 long maxModifiedTime = baseFile.lastModified(); 6772 if (pkg.splitCodePaths != null) { 6773 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 6774 final File splitFile = new File(pkg.splitCodePaths[i]); 6775 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 6776 } 6777 } 6778 return maxModifiedTime; 6779 } 6780 return srcFile.lastModified(); 6781 } 6782 6783 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6784 final int policyFlags) throws PackageManagerException { 6785 if (ps != null 6786 && ps.codePath.equals(srcFile) 6787 && ps.timeStamp == getLastModifiedTime(pkg, srcFile) 6788 && !isCompatSignatureUpdateNeeded(pkg) 6789 && !isRecoverSignatureUpdateNeeded(pkg)) { 6790 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6791 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6792 ArraySet<PublicKey> signingKs; 6793 synchronized (mPackages) { 6794 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6795 } 6796 if (ps.signatures.mSignatures != null 6797 && ps.signatures.mSignatures.length != 0 6798 && signingKs != null) { 6799 // Optimization: reuse the existing cached certificates 6800 // if the package appears to be unchanged. 6801 pkg.mSignatures = ps.signatures.mSignatures; 6802 pkg.mSigningKeys = signingKs; 6803 return; 6804 } 6805 6806 Slog.w(TAG, "PackageSetting for " + ps.name 6807 + " is missing signatures. Collecting certs again to recover them."); 6808 } else { 6809 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6810 } 6811 6812 try { 6813 PackageParser.collectCertificates(pkg, policyFlags); 6814 } catch (PackageParserException e) { 6815 throw PackageManagerException.from(e); 6816 } 6817 } 6818 6819 /** 6820 * Traces a package scan. 6821 * @see #scanPackageLI(File, int, int, long, UserHandle) 6822 */ 6823 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6824 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6825 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6826 try { 6827 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6828 } finally { 6829 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6830 } 6831 } 6832 6833 /** 6834 * Scans a package and returns the newly parsed package. 6835 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6836 */ 6837 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6838 long currentTime, UserHandle user) throws PackageManagerException { 6839 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6840 PackageParser pp = new PackageParser(); 6841 pp.setSeparateProcesses(mSeparateProcesses); 6842 pp.setOnlyCoreApps(mOnlyCore); 6843 pp.setDisplayMetrics(mMetrics); 6844 6845 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6846 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6847 } 6848 6849 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6850 final PackageParser.Package pkg; 6851 try { 6852 pkg = pp.parsePackage(scanFile, parseFlags); 6853 } catch (PackageParserException e) { 6854 throw PackageManagerException.from(e); 6855 } finally { 6856 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6857 } 6858 6859 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6860 } 6861 6862 /** 6863 * Scans a package and returns the newly parsed package. 6864 * @throws PackageManagerException on a parse error. 6865 */ 6866 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6867 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6868 throws PackageManagerException { 6869 // If the package has children and this is the first dive in the function 6870 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6871 // packages (parent and children) would be successfully scanned before the 6872 // actual scan since scanning mutates internal state and we want to atomically 6873 // install the package and its children. 6874 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6875 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6876 scanFlags |= SCAN_CHECK_ONLY; 6877 } 6878 } else { 6879 scanFlags &= ~SCAN_CHECK_ONLY; 6880 } 6881 6882 // Scan the parent 6883 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6884 scanFlags, currentTime, user); 6885 6886 // Scan the children 6887 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6888 for (int i = 0; i < childCount; i++) { 6889 PackageParser.Package childPackage = pkg.childPackages.get(i); 6890 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6891 currentTime, user); 6892 } 6893 6894 6895 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6896 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6897 } 6898 6899 return scannedPkg; 6900 } 6901 6902 /** 6903 * Scans a package and returns the newly parsed package. 6904 * @throws PackageManagerException on a parse error. 6905 */ 6906 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6907 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6908 throws PackageManagerException { 6909 PackageSetting ps = null; 6910 PackageSetting updatedPkg; 6911 // reader 6912 synchronized (mPackages) { 6913 // Look to see if we already know about this package. 6914 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6915 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6916 // This package has been renamed to its original name. Let's 6917 // use that. 6918 ps = mSettings.peekPackageLPr(oldName); 6919 } 6920 // If there was no original package, see one for the real package name. 6921 if (ps == null) { 6922 ps = mSettings.peekPackageLPr(pkg.packageName); 6923 } 6924 // Check to see if this package could be hiding/updating a system 6925 // package. Must look for it either under the original or real 6926 // package name depending on our state. 6927 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6928 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6929 6930 // If this is a package we don't know about on the system partition, we 6931 // may need to remove disabled child packages on the system partition 6932 // or may need to not add child packages if the parent apk is updated 6933 // on the data partition and no longer defines this child package. 6934 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6935 // If this is a parent package for an updated system app and this system 6936 // app got an OTA update which no longer defines some of the child packages 6937 // we have to prune them from the disabled system packages. 6938 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6939 if (disabledPs != null) { 6940 final int scannedChildCount = (pkg.childPackages != null) 6941 ? pkg.childPackages.size() : 0; 6942 final int disabledChildCount = disabledPs.childPackageNames != null 6943 ? disabledPs.childPackageNames.size() : 0; 6944 for (int i = 0; i < disabledChildCount; i++) { 6945 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6946 boolean disabledPackageAvailable = false; 6947 for (int j = 0; j < scannedChildCount; j++) { 6948 PackageParser.Package childPkg = pkg.childPackages.get(j); 6949 if (childPkg.packageName.equals(disabledChildPackageName)) { 6950 disabledPackageAvailable = true; 6951 break; 6952 } 6953 } 6954 if (!disabledPackageAvailable) { 6955 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6956 } 6957 } 6958 } 6959 } 6960 } 6961 6962 boolean updatedPkgBetter = false; 6963 // First check if this is a system package that may involve an update 6964 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6965 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6966 // it needs to drop FLAG_PRIVILEGED. 6967 if (locationIsPrivileged(scanFile)) { 6968 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6969 } else { 6970 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6971 } 6972 6973 if (ps != null && !ps.codePath.equals(scanFile)) { 6974 // The path has changed from what was last scanned... check the 6975 // version of the new path against what we have stored to determine 6976 // what to do. 6977 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6978 if (pkg.mVersionCode <= ps.versionCode) { 6979 // The system package has been updated and the code path does not match 6980 // Ignore entry. Skip it. 6981 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6982 + " ignored: updated version " + ps.versionCode 6983 + " better than this " + pkg.mVersionCode); 6984 if (!updatedPkg.codePath.equals(scanFile)) { 6985 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6986 + ps.name + " changing from " + updatedPkg.codePathString 6987 + " to " + scanFile); 6988 updatedPkg.codePath = scanFile; 6989 updatedPkg.codePathString = scanFile.toString(); 6990 updatedPkg.resourcePath = scanFile; 6991 updatedPkg.resourcePathString = scanFile.toString(); 6992 } 6993 updatedPkg.pkg = pkg; 6994 updatedPkg.versionCode = pkg.mVersionCode; 6995 6996 // Update the disabled system child packages to point to the package too. 6997 final int childCount = updatedPkg.childPackageNames != null 6998 ? updatedPkg.childPackageNames.size() : 0; 6999 for (int i = 0; i < childCount; i++) { 7000 String childPackageName = updatedPkg.childPackageNames.get(i); 7001 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 7002 childPackageName); 7003 if (updatedChildPkg != null) { 7004 updatedChildPkg.pkg = pkg; 7005 updatedChildPkg.versionCode = pkg.mVersionCode; 7006 } 7007 } 7008 7009 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 7010 + scanFile + " ignored: updated version " + ps.versionCode 7011 + " better than this " + pkg.mVersionCode); 7012 } else { 7013 // The current app on the system partition is better than 7014 // what we have updated to on the data partition; switch 7015 // back to the system partition version. 7016 // At this point, its safely assumed that package installation for 7017 // apps in system partition will go through. If not there won't be a working 7018 // version of the app 7019 // writer 7020 synchronized (mPackages) { 7021 // Just remove the loaded entries from package lists. 7022 mPackages.remove(ps.name); 7023 } 7024 7025 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7026 + " reverting from " + ps.codePathString 7027 + ": new version " + pkg.mVersionCode 7028 + " better than installed " + ps.versionCode); 7029 7030 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7031 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7032 synchronized (mInstallLock) { 7033 args.cleanUpResourcesLI(); 7034 } 7035 synchronized (mPackages) { 7036 mSettings.enableSystemPackageLPw(ps.name); 7037 } 7038 updatedPkgBetter = true; 7039 } 7040 } 7041 } 7042 7043 if (updatedPkg != null) { 7044 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7045 // initially 7046 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7047 7048 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7049 // flag set initially 7050 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7051 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7052 } 7053 } 7054 7055 // Verify certificates against what was last scanned 7056 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7057 7058 /* 7059 * A new system app appeared, but we already had a non-system one of the 7060 * same name installed earlier. 7061 */ 7062 boolean shouldHideSystemApp = false; 7063 if (updatedPkg == null && ps != null 7064 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7065 /* 7066 * Check to make sure the signatures match first. If they don't, 7067 * wipe the installed application and its data. 7068 */ 7069 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7070 != PackageManager.SIGNATURE_MATCH) { 7071 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7072 + " signatures don't match existing userdata copy; removing"); 7073 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7074 "scanPackageInternalLI")) { 7075 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7076 } 7077 ps = null; 7078 } else { 7079 /* 7080 * If the newly-added system app is an older version than the 7081 * already installed version, hide it. It will be scanned later 7082 * and re-added like an update. 7083 */ 7084 if (pkg.mVersionCode <= ps.versionCode) { 7085 shouldHideSystemApp = true; 7086 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7087 + " but new version " + pkg.mVersionCode + " better than installed " 7088 + ps.versionCode + "; hiding system"); 7089 } else { 7090 /* 7091 * The newly found system app is a newer version that the 7092 * one previously installed. Simply remove the 7093 * already-installed application and replace it with our own 7094 * while keeping the application data. 7095 */ 7096 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7097 + " reverting from " + ps.codePathString + ": new version " 7098 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7099 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7100 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7101 synchronized (mInstallLock) { 7102 args.cleanUpResourcesLI(); 7103 } 7104 } 7105 } 7106 } 7107 7108 // The apk is forward locked (not public) if its code and resources 7109 // are kept in different files. (except for app in either system or 7110 // vendor path). 7111 // TODO grab this value from PackageSettings 7112 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7113 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7114 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7115 } 7116 } 7117 7118 // TODO: extend to support forward-locked splits 7119 String resourcePath = null; 7120 String baseResourcePath = null; 7121 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7122 if (ps != null && ps.resourcePathString != null) { 7123 resourcePath = ps.resourcePathString; 7124 baseResourcePath = ps.resourcePathString; 7125 } else { 7126 // Should not happen at all. Just log an error. 7127 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7128 } 7129 } else { 7130 resourcePath = pkg.codePath; 7131 baseResourcePath = pkg.baseCodePath; 7132 } 7133 7134 // Set application objects path explicitly. 7135 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7136 pkg.setApplicationInfoCodePath(pkg.codePath); 7137 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7138 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7139 pkg.setApplicationInfoResourcePath(resourcePath); 7140 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7141 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7142 7143 // Note that we invoke the following method only if we are about to unpack an application 7144 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7145 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7146 7147 /* 7148 * If the system app should be overridden by a previously installed 7149 * data, hide the system app now and let the /data/app scan pick it up 7150 * again. 7151 */ 7152 if (shouldHideSystemApp) { 7153 synchronized (mPackages) { 7154 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7155 } 7156 } 7157 7158 return scannedPkg; 7159 } 7160 7161 private static String fixProcessName(String defProcessName, 7162 String processName, int uid) { 7163 if (processName == null) { 7164 return defProcessName; 7165 } 7166 return processName; 7167 } 7168 7169 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7170 throws PackageManagerException { 7171 if (pkgSetting.signatures.mSignatures != null) { 7172 // Already existing package. Make sure signatures match 7173 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7174 == PackageManager.SIGNATURE_MATCH; 7175 if (!match) { 7176 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7177 == PackageManager.SIGNATURE_MATCH; 7178 } 7179 if (!match) { 7180 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7181 == PackageManager.SIGNATURE_MATCH; 7182 } 7183 if (!match) { 7184 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7185 + pkg.packageName + " signatures do not match the " 7186 + "previously installed version; ignoring!"); 7187 } 7188 } 7189 7190 // Check for shared user signatures 7191 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7192 // Already existing package. Make sure signatures match 7193 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7194 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7195 if (!match) { 7196 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7197 == PackageManager.SIGNATURE_MATCH; 7198 } 7199 if (!match) { 7200 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7201 == PackageManager.SIGNATURE_MATCH; 7202 } 7203 if (!match) { 7204 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7205 "Package " + pkg.packageName 7206 + " has no signatures that match those in shared user " 7207 + pkgSetting.sharedUser.name + "; ignoring!"); 7208 } 7209 } 7210 } 7211 7212 /** 7213 * Enforces that only the system UID or root's UID can call a method exposed 7214 * via Binder. 7215 * 7216 * @param message used as message if SecurityException is thrown 7217 * @throws SecurityException if the caller is not system or root 7218 */ 7219 private static final void enforceSystemOrRoot(String message) { 7220 final int uid = Binder.getCallingUid(); 7221 if (uid != Process.SYSTEM_UID && uid != 0) { 7222 throw new SecurityException(message); 7223 } 7224 } 7225 7226 @Override 7227 public void performFstrimIfNeeded() { 7228 enforceSystemOrRoot("Only the system can request fstrim"); 7229 7230 // Before everything else, see whether we need to fstrim. 7231 try { 7232 IMountService ms = PackageHelper.getMountService(); 7233 if (ms != null) { 7234 final boolean isUpgrade = isUpgrade(); 7235 boolean doTrim = isUpgrade; 7236 if (doTrim) { 7237 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7238 } else { 7239 final long interval = android.provider.Settings.Global.getLong( 7240 mContext.getContentResolver(), 7241 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7242 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7243 if (interval > 0) { 7244 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7245 if (timeSinceLast > interval) { 7246 doTrim = true; 7247 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7248 + "; running immediately"); 7249 } 7250 } 7251 } 7252 if (doTrim) { 7253 if (!isFirstBoot()) { 7254 try { 7255 ActivityManagerNative.getDefault().showBootMessage( 7256 mContext.getResources().getString( 7257 R.string.android_upgrading_fstrim), true); 7258 } catch (RemoteException e) { 7259 } 7260 } 7261 ms.runMaintenance(); 7262 } 7263 } else { 7264 Slog.e(TAG, "Mount service unavailable!"); 7265 } 7266 } catch (RemoteException e) { 7267 // Can't happen; MountService is local 7268 } 7269 } 7270 7271 @Override 7272 public void updatePackagesIfNeeded() { 7273 enforceSystemOrRoot("Only the system can request package update"); 7274 7275 // We need to re-extract after an OTA. 7276 boolean causeUpgrade = isUpgrade(); 7277 7278 // First boot or factory reset. 7279 // Note: we also handle devices that are upgrading to N right now as if it is their 7280 // first boot, as they do not have profile data. 7281 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7282 7283 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7284 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7285 7286 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7287 return; 7288 } 7289 7290 List<PackageParser.Package> pkgs; 7291 synchronized (mPackages) { 7292 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7293 } 7294 7295 final long startTime = System.nanoTime(); 7296 final int[] stats = performDexOpt(pkgs, mIsPreNUpgrade /* showDialog */, 7297 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7298 7299 final int elapsedTimeSeconds = 7300 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7301 7302 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7303 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7304 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7305 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7306 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7307 } 7308 7309 /** 7310 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7311 * containing statistics about the invocation. The array consists of three elements, 7312 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7313 * and {@code numberOfPackagesFailed}. 7314 */ 7315 private int[] performDexOpt(List<PackageParser.Package> pkgs, boolean showDialog, 7316 String compilerFilter) { 7317 7318 int numberOfPackagesVisited = 0; 7319 int numberOfPackagesOptimized = 0; 7320 int numberOfPackagesSkipped = 0; 7321 int numberOfPackagesFailed = 0; 7322 final int numberOfPackagesToDexopt = pkgs.size(); 7323 7324 for (PackageParser.Package pkg : pkgs) { 7325 numberOfPackagesVisited++; 7326 7327 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7328 if (DEBUG_DEXOPT) { 7329 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7330 } 7331 numberOfPackagesSkipped++; 7332 continue; 7333 } 7334 7335 if (DEBUG_DEXOPT) { 7336 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7337 numberOfPackagesToDexopt + ": " + pkg.packageName); 7338 } 7339 7340 if (showDialog) { 7341 try { 7342 ActivityManagerNative.getDefault().showBootMessage( 7343 mContext.getResources().getString(R.string.android_upgrading_apk, 7344 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7345 } catch (RemoteException e) { 7346 } 7347 } 7348 7349 // checkProfiles is false to avoid merging profiles during boot which 7350 // might interfere with background compilation (b/28612421). 7351 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7352 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7353 // trade-off worth doing to save boot time work. 7354 int dexOptStatus = performDexOptTraced(pkg.packageName, 7355 false /* checkProfiles */, 7356 compilerFilter, 7357 false /* force */); 7358 switch (dexOptStatus) { 7359 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7360 numberOfPackagesOptimized++; 7361 break; 7362 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7363 numberOfPackagesSkipped++; 7364 break; 7365 case PackageDexOptimizer.DEX_OPT_FAILED: 7366 numberOfPackagesFailed++; 7367 break; 7368 default: 7369 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7370 break; 7371 } 7372 } 7373 7374 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7375 numberOfPackagesFailed }; 7376 } 7377 7378 @Override 7379 public void notifyPackageUse(String packageName, int reason) { 7380 synchronized (mPackages) { 7381 PackageParser.Package p = mPackages.get(packageName); 7382 if (p == null) { 7383 return; 7384 } 7385 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7386 } 7387 } 7388 7389 // TODO: this is not used nor needed. Delete it. 7390 @Override 7391 public boolean performDexOptIfNeeded(String packageName) { 7392 int dexOptStatus = performDexOptTraced(packageName, 7393 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7394 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7395 } 7396 7397 @Override 7398 public boolean performDexOpt(String packageName, 7399 boolean checkProfiles, int compileReason, boolean force) { 7400 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7401 getCompilerFilterForReason(compileReason), force); 7402 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7403 } 7404 7405 @Override 7406 public boolean performDexOptMode(String packageName, 7407 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7408 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7409 targetCompilerFilter, force); 7410 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7411 } 7412 7413 private int performDexOptTraced(String packageName, 7414 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7415 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7416 try { 7417 return performDexOptInternal(packageName, checkProfiles, 7418 targetCompilerFilter, force); 7419 } finally { 7420 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7421 } 7422 } 7423 7424 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7425 // if the package can now be considered up to date for the given filter. 7426 private int performDexOptInternal(String packageName, 7427 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7428 PackageParser.Package p; 7429 synchronized (mPackages) { 7430 p = mPackages.get(packageName); 7431 if (p == null) { 7432 // Package could not be found. Report failure. 7433 return PackageDexOptimizer.DEX_OPT_FAILED; 7434 } 7435 mPackageUsage.write(false); 7436 } 7437 long callingId = Binder.clearCallingIdentity(); 7438 try { 7439 synchronized (mInstallLock) { 7440 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7441 targetCompilerFilter, force); 7442 } 7443 } finally { 7444 Binder.restoreCallingIdentity(callingId); 7445 } 7446 } 7447 7448 public ArraySet<String> getOptimizablePackages() { 7449 ArraySet<String> pkgs = new ArraySet<String>(); 7450 synchronized (mPackages) { 7451 for (PackageParser.Package p : mPackages.values()) { 7452 if (PackageDexOptimizer.canOptimizePackage(p)) { 7453 pkgs.add(p.packageName); 7454 } 7455 } 7456 } 7457 return pkgs; 7458 } 7459 7460 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7461 boolean checkProfiles, String targetCompilerFilter, 7462 boolean force) { 7463 // Select the dex optimizer based on the force parameter. 7464 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7465 // allocate an object here. 7466 PackageDexOptimizer pdo = force 7467 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7468 : mPackageDexOptimizer; 7469 7470 // Optimize all dependencies first. Note: we ignore the return value and march on 7471 // on errors. 7472 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7473 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7474 if (!deps.isEmpty()) { 7475 for (PackageParser.Package depPackage : deps) { 7476 // TODO: Analyze and investigate if we (should) profile libraries. 7477 // Currently this will do a full compilation of the library by default. 7478 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7479 false /* checkProfiles */, 7480 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7481 } 7482 } 7483 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7484 targetCompilerFilter); 7485 } 7486 7487 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7488 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7489 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7490 Set<String> collectedNames = new HashSet<>(); 7491 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7492 7493 retValue.remove(p); 7494 7495 return retValue; 7496 } else { 7497 return Collections.emptyList(); 7498 } 7499 } 7500 7501 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7502 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7503 if (!collectedNames.contains(p.packageName)) { 7504 collectedNames.add(p.packageName); 7505 collected.add(p); 7506 7507 if (p.usesLibraries != null) { 7508 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7509 } 7510 if (p.usesOptionalLibraries != null) { 7511 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7512 collectedNames); 7513 } 7514 } 7515 } 7516 7517 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7518 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7519 for (String libName : libs) { 7520 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7521 if (libPkg != null) { 7522 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7523 } 7524 } 7525 } 7526 7527 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7528 synchronized (mPackages) { 7529 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7530 if (lib != null && lib.apk != null) { 7531 return mPackages.get(lib.apk); 7532 } 7533 } 7534 return null; 7535 } 7536 7537 public void shutdown() { 7538 mPackageUsage.write(true); 7539 } 7540 7541 @Override 7542 public void dumpProfiles(String packageName) { 7543 PackageParser.Package pkg; 7544 synchronized (mPackages) { 7545 pkg = mPackages.get(packageName); 7546 if (pkg == null) { 7547 throw new IllegalArgumentException("Unknown package: " + packageName); 7548 } 7549 } 7550 /* Only the shell, root, or the app user should be able to dump profiles. */ 7551 int callingUid = Binder.getCallingUid(); 7552 if (callingUid != Process.SHELL_UID && 7553 callingUid != Process.ROOT_UID && 7554 callingUid != pkg.applicationInfo.uid) { 7555 throw new SecurityException("dumpProfiles"); 7556 } 7557 7558 synchronized (mInstallLock) { 7559 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7560 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7561 try { 7562 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7563 String gid = Integer.toString(sharedGid); 7564 String codePaths = TextUtils.join(";", allCodePaths); 7565 mInstaller.dumpProfiles(gid, packageName, codePaths); 7566 } catch (InstallerException e) { 7567 Slog.w(TAG, "Failed to dump profiles", e); 7568 } 7569 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7570 } 7571 } 7572 7573 @Override 7574 public void forceDexOpt(String packageName) { 7575 enforceSystemOrRoot("forceDexOpt"); 7576 7577 PackageParser.Package pkg; 7578 synchronized (mPackages) { 7579 pkg = mPackages.get(packageName); 7580 if (pkg == null) { 7581 throw new IllegalArgumentException("Unknown package: " + packageName); 7582 } 7583 } 7584 7585 synchronized (mInstallLock) { 7586 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7587 7588 // Whoever is calling forceDexOpt wants a fully compiled package. 7589 // Don't use profiles since that may cause compilation to be skipped. 7590 final int res = performDexOptInternalWithDependenciesLI(pkg, 7591 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7592 true /* force */); 7593 7594 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7595 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7596 throw new IllegalStateException("Failed to dexopt: " + res); 7597 } 7598 } 7599 } 7600 7601 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7602 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7603 Slog.w(TAG, "Unable to update from " + oldPkg.name 7604 + " to " + newPkg.packageName 7605 + ": old package not in system partition"); 7606 return false; 7607 } else if (mPackages.get(oldPkg.name) != null) { 7608 Slog.w(TAG, "Unable to update from " + oldPkg.name 7609 + " to " + newPkg.packageName 7610 + ": old package still exists"); 7611 return false; 7612 } 7613 return true; 7614 } 7615 7616 void removeCodePathLI(File codePath) { 7617 if (codePath.isDirectory()) { 7618 try { 7619 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7620 } catch (InstallerException e) { 7621 Slog.w(TAG, "Failed to remove code path", e); 7622 } 7623 } else { 7624 codePath.delete(); 7625 } 7626 } 7627 7628 private int[] resolveUserIds(int userId) { 7629 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7630 } 7631 7632 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7633 if (pkg == null) { 7634 Slog.wtf(TAG, "Package was null!", new Throwable()); 7635 return; 7636 } 7637 clearAppDataLeafLIF(pkg, userId, flags); 7638 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7639 for (int i = 0; i < childCount; i++) { 7640 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7641 } 7642 } 7643 7644 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7645 final PackageSetting ps; 7646 synchronized (mPackages) { 7647 ps = mSettings.mPackages.get(pkg.packageName); 7648 } 7649 for (int realUserId : resolveUserIds(userId)) { 7650 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7651 try { 7652 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7653 ceDataInode); 7654 } catch (InstallerException e) { 7655 Slog.w(TAG, String.valueOf(e)); 7656 } 7657 } 7658 } 7659 7660 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7661 if (pkg == null) { 7662 Slog.wtf(TAG, "Package was null!", new Throwable()); 7663 return; 7664 } 7665 destroyAppDataLeafLIF(pkg, userId, flags); 7666 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7667 for (int i = 0; i < childCount; i++) { 7668 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7669 } 7670 } 7671 7672 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7673 final PackageSetting ps; 7674 synchronized (mPackages) { 7675 ps = mSettings.mPackages.get(pkg.packageName); 7676 } 7677 for (int realUserId : resolveUserIds(userId)) { 7678 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7679 try { 7680 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7681 ceDataInode); 7682 } catch (InstallerException e) { 7683 Slog.w(TAG, String.valueOf(e)); 7684 } 7685 } 7686 } 7687 7688 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7689 if (pkg == null) { 7690 Slog.wtf(TAG, "Package was null!", new Throwable()); 7691 return; 7692 } 7693 destroyAppProfilesLeafLIF(pkg); 7694 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7695 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7696 for (int i = 0; i < childCount; i++) { 7697 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7698 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7699 true /* removeBaseMarker */); 7700 } 7701 } 7702 7703 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7704 boolean removeBaseMarker) { 7705 if (pkg.isForwardLocked()) { 7706 return; 7707 } 7708 7709 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7710 try { 7711 path = PackageManagerServiceUtils.realpath(new File(path)); 7712 } catch (IOException e) { 7713 // TODO: Should we return early here ? 7714 Slog.w(TAG, "Failed to get canonical path", e); 7715 continue; 7716 } 7717 7718 final String useMarker = path.replace('/', '@'); 7719 for (int realUserId : resolveUserIds(userId)) { 7720 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7721 if (removeBaseMarker) { 7722 File foreignUseMark = new File(profileDir, useMarker); 7723 if (foreignUseMark.exists()) { 7724 if (!foreignUseMark.delete()) { 7725 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7726 + pkg.packageName); 7727 } 7728 } 7729 } 7730 7731 File[] markers = profileDir.listFiles(); 7732 if (markers != null) { 7733 final String searchString = "@" + pkg.packageName + "@"; 7734 // We also delete all markers that contain the package name we're 7735 // uninstalling. These are associated with secondary dex-files belonging 7736 // to the package. Reconstructing the path of these dex files is messy 7737 // in general. 7738 for (File marker : markers) { 7739 if (marker.getName().indexOf(searchString) > 0) { 7740 if (!marker.delete()) { 7741 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7742 + pkg.packageName); 7743 } 7744 } 7745 } 7746 } 7747 } 7748 } 7749 } 7750 7751 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7752 try { 7753 mInstaller.destroyAppProfiles(pkg.packageName); 7754 } catch (InstallerException e) { 7755 Slog.w(TAG, String.valueOf(e)); 7756 } 7757 } 7758 7759 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7760 if (pkg == null) { 7761 Slog.wtf(TAG, "Package was null!", new Throwable()); 7762 return; 7763 } 7764 clearAppProfilesLeafLIF(pkg); 7765 // We don't remove the base foreign use marker when clearing profiles because 7766 // we will rename it when the app is updated. Unlike the actual profile contents, 7767 // the foreign use marker is good across installs. 7768 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7769 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7770 for (int i = 0; i < childCount; i++) { 7771 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7772 } 7773 } 7774 7775 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7776 try { 7777 mInstaller.clearAppProfiles(pkg.packageName); 7778 } catch (InstallerException e) { 7779 Slog.w(TAG, String.valueOf(e)); 7780 } 7781 } 7782 7783 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7784 long lastUpdateTime) { 7785 // Set parent install/update time 7786 PackageSetting ps = (PackageSetting) pkg.mExtras; 7787 if (ps != null) { 7788 ps.firstInstallTime = firstInstallTime; 7789 ps.lastUpdateTime = lastUpdateTime; 7790 } 7791 // Set children install/update time 7792 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7793 for (int i = 0; i < childCount; i++) { 7794 PackageParser.Package childPkg = pkg.childPackages.get(i); 7795 ps = (PackageSetting) childPkg.mExtras; 7796 if (ps != null) { 7797 ps.firstInstallTime = firstInstallTime; 7798 ps.lastUpdateTime = lastUpdateTime; 7799 } 7800 } 7801 } 7802 7803 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7804 PackageParser.Package changingLib) { 7805 if (file.path != null) { 7806 usesLibraryFiles.add(file.path); 7807 return; 7808 } 7809 PackageParser.Package p = mPackages.get(file.apk); 7810 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7811 // If we are doing this while in the middle of updating a library apk, 7812 // then we need to make sure to use that new apk for determining the 7813 // dependencies here. (We haven't yet finished committing the new apk 7814 // to the package manager state.) 7815 if (p == null || p.packageName.equals(changingLib.packageName)) { 7816 p = changingLib; 7817 } 7818 } 7819 if (p != null) { 7820 usesLibraryFiles.addAll(p.getAllCodePaths()); 7821 } 7822 } 7823 7824 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7825 PackageParser.Package changingLib) throws PackageManagerException { 7826 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7827 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7828 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7829 for (int i=0; i<N; i++) { 7830 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7831 if (file == null) { 7832 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7833 "Package " + pkg.packageName + " requires unavailable shared library " 7834 + pkg.usesLibraries.get(i) + "; failing!"); 7835 } 7836 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7837 } 7838 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7839 for (int i=0; i<N; i++) { 7840 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7841 if (file == null) { 7842 Slog.w(TAG, "Package " + pkg.packageName 7843 + " desires unavailable shared library " 7844 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7845 } else { 7846 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7847 } 7848 } 7849 N = usesLibraryFiles.size(); 7850 if (N > 0) { 7851 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7852 } else { 7853 pkg.usesLibraryFiles = null; 7854 } 7855 } 7856 } 7857 7858 private static boolean hasString(List<String> list, List<String> which) { 7859 if (list == null) { 7860 return false; 7861 } 7862 for (int i=list.size()-1; i>=0; i--) { 7863 for (int j=which.size()-1; j>=0; j--) { 7864 if (which.get(j).equals(list.get(i))) { 7865 return true; 7866 } 7867 } 7868 } 7869 return false; 7870 } 7871 7872 private void updateAllSharedLibrariesLPw() { 7873 for (PackageParser.Package pkg : mPackages.values()) { 7874 try { 7875 updateSharedLibrariesLPw(pkg, null); 7876 } catch (PackageManagerException e) { 7877 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7878 } 7879 } 7880 } 7881 7882 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7883 PackageParser.Package changingPkg) { 7884 ArrayList<PackageParser.Package> res = null; 7885 for (PackageParser.Package pkg : mPackages.values()) { 7886 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7887 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7888 if (res == null) { 7889 res = new ArrayList<PackageParser.Package>(); 7890 } 7891 res.add(pkg); 7892 try { 7893 updateSharedLibrariesLPw(pkg, changingPkg); 7894 } catch (PackageManagerException e) { 7895 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7896 } 7897 } 7898 } 7899 return res; 7900 } 7901 7902 /** 7903 * Derive the value of the {@code cpuAbiOverride} based on the provided 7904 * value and an optional stored value from the package settings. 7905 */ 7906 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7907 String cpuAbiOverride = null; 7908 7909 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7910 cpuAbiOverride = null; 7911 } else if (abiOverride != null) { 7912 cpuAbiOverride = abiOverride; 7913 } else if (settings != null) { 7914 cpuAbiOverride = settings.cpuAbiOverrideString; 7915 } 7916 7917 return cpuAbiOverride; 7918 } 7919 7920 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7921 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7922 throws PackageManagerException { 7923 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7924 // If the package has children and this is the first dive in the function 7925 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7926 // whether all packages (parent and children) would be successfully scanned 7927 // before the actual scan since scanning mutates internal state and we want 7928 // to atomically install the package and its children. 7929 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7930 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7931 scanFlags |= SCAN_CHECK_ONLY; 7932 } 7933 } else { 7934 scanFlags &= ~SCAN_CHECK_ONLY; 7935 } 7936 7937 final PackageParser.Package scannedPkg; 7938 try { 7939 // Scan the parent 7940 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7941 // Scan the children 7942 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7943 for (int i = 0; i < childCount; i++) { 7944 PackageParser.Package childPkg = pkg.childPackages.get(i); 7945 scanPackageLI(childPkg, policyFlags, 7946 scanFlags, currentTime, user); 7947 } 7948 } finally { 7949 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7950 } 7951 7952 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7953 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7954 } 7955 7956 return scannedPkg; 7957 } 7958 7959 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7960 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7961 boolean success = false; 7962 try { 7963 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7964 currentTime, user); 7965 success = true; 7966 return res; 7967 } finally { 7968 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7969 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7970 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7971 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7972 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7973 } 7974 } 7975 } 7976 7977 /** 7978 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7979 */ 7980 private static boolean apkHasCode(String fileName) { 7981 StrictJarFile jarFile = null; 7982 try { 7983 jarFile = new StrictJarFile(fileName, 7984 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7985 return jarFile.findEntry("classes.dex") != null; 7986 } catch (IOException ignore) { 7987 } finally { 7988 try { 7989 jarFile.close(); 7990 } catch (IOException ignore) {} 7991 } 7992 return false; 7993 } 7994 7995 /** 7996 * Enforces code policy for the package. This ensures that if an APK has 7997 * declared hasCode="true" in its manifest that the APK actually contains 7998 * code. 7999 * 8000 * @throws PackageManagerException If bytecode could not be found when it should exist 8001 */ 8002 private static void enforceCodePolicy(PackageParser.Package pkg) 8003 throws PackageManagerException { 8004 final boolean shouldHaveCode = 8005 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 8006 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 8007 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8008 "Package " + pkg.baseCodePath + " code is missing"); 8009 } 8010 8011 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8012 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8013 final boolean splitShouldHaveCode = 8014 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 8015 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 8016 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8017 "Package " + pkg.splitCodePaths[i] + " code is missing"); 8018 } 8019 } 8020 } 8021 } 8022 8023 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8024 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8025 throws PackageManagerException { 8026 final File scanFile = new File(pkg.codePath); 8027 if (pkg.applicationInfo.getCodePath() == null || 8028 pkg.applicationInfo.getResourcePath() == null) { 8029 // Bail out. The resource and code paths haven't been set. 8030 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8031 "Code and resource paths haven't been set correctly"); 8032 } 8033 8034 // Apply policy 8035 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8036 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8037 if (pkg.applicationInfo.isDirectBootAware()) { 8038 // we're direct boot aware; set for all components 8039 for (PackageParser.Service s : pkg.services) { 8040 s.info.encryptionAware = s.info.directBootAware = true; 8041 } 8042 for (PackageParser.Provider p : pkg.providers) { 8043 p.info.encryptionAware = p.info.directBootAware = true; 8044 } 8045 for (PackageParser.Activity a : pkg.activities) { 8046 a.info.encryptionAware = a.info.directBootAware = true; 8047 } 8048 for (PackageParser.Activity r : pkg.receivers) { 8049 r.info.encryptionAware = r.info.directBootAware = true; 8050 } 8051 } 8052 } else { 8053 // Only allow system apps to be flagged as core apps. 8054 pkg.coreApp = false; 8055 // clear flags not applicable to regular apps 8056 pkg.applicationInfo.privateFlags &= 8057 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8058 pkg.applicationInfo.privateFlags &= 8059 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8060 } 8061 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8062 8063 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8064 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8065 } 8066 8067 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8068 enforceCodePolicy(pkg); 8069 } 8070 8071 if (mCustomResolverComponentName != null && 8072 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8073 setUpCustomResolverActivity(pkg); 8074 } 8075 8076 if (pkg.packageName.equals("android")) { 8077 synchronized (mPackages) { 8078 if (mAndroidApplication != null) { 8079 Slog.w(TAG, "*************************************************"); 8080 Slog.w(TAG, "Core android package being redefined. Skipping."); 8081 Slog.w(TAG, " file=" + scanFile); 8082 Slog.w(TAG, "*************************************************"); 8083 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8084 "Core android package being redefined. Skipping."); 8085 } 8086 8087 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8088 // Set up information for our fall-back user intent resolution activity. 8089 mPlatformPackage = pkg; 8090 pkg.mVersionCode = mSdkVersion; 8091 mAndroidApplication = pkg.applicationInfo; 8092 8093 if (!mResolverReplaced) { 8094 mResolveActivity.applicationInfo = mAndroidApplication; 8095 mResolveActivity.name = ResolverActivity.class.getName(); 8096 mResolveActivity.packageName = mAndroidApplication.packageName; 8097 mResolveActivity.processName = "system:ui"; 8098 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8099 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8100 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8101 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8102 mResolveActivity.exported = true; 8103 mResolveActivity.enabled = true; 8104 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8105 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8106 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8107 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8108 | ActivityInfo.CONFIG_ORIENTATION 8109 | ActivityInfo.CONFIG_KEYBOARD 8110 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8111 mResolveInfo.activityInfo = mResolveActivity; 8112 mResolveInfo.priority = 0; 8113 mResolveInfo.preferredOrder = 0; 8114 mResolveInfo.match = 0; 8115 mResolveComponentName = new ComponentName( 8116 mAndroidApplication.packageName, mResolveActivity.name); 8117 } 8118 } 8119 } 8120 } 8121 8122 if (DEBUG_PACKAGE_SCANNING) { 8123 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8124 Log.d(TAG, "Scanning package " + pkg.packageName); 8125 } 8126 8127 synchronized (mPackages) { 8128 if (mPackages.containsKey(pkg.packageName) 8129 || mSharedLibraries.containsKey(pkg.packageName)) { 8130 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8131 "Application package " + pkg.packageName 8132 + " already installed. Skipping duplicate."); 8133 } 8134 8135 // If we're only installing presumed-existing packages, require that the 8136 // scanned APK is both already known and at the path previously established 8137 // for it. Previously unknown packages we pick up normally, but if we have an 8138 // a priori expectation about this package's install presence, enforce it. 8139 // With a singular exception for new system packages. When an OTA contains 8140 // a new system package, we allow the codepath to change from a system location 8141 // to the user-installed location. If we don't allow this change, any newer, 8142 // user-installed version of the application will be ignored. 8143 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8144 if (mExpectingBetter.containsKey(pkg.packageName)) { 8145 logCriticalInfo(Log.WARN, 8146 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8147 } else { 8148 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8149 if (known != null) { 8150 if (DEBUG_PACKAGE_SCANNING) { 8151 Log.d(TAG, "Examining " + pkg.codePath 8152 + " and requiring known paths " + known.codePathString 8153 + " & " + known.resourcePathString); 8154 } 8155 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8156 || !pkg.applicationInfo.getResourcePath().equals( 8157 known.resourcePathString)) { 8158 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8159 "Application package " + pkg.packageName 8160 + " found at " + pkg.applicationInfo.getCodePath() 8161 + " but expected at " + known.codePathString 8162 + "; ignoring."); 8163 } 8164 } 8165 } 8166 } 8167 } 8168 8169 // Initialize package source and resource directories 8170 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8171 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8172 8173 SharedUserSetting suid = null; 8174 PackageSetting pkgSetting = null; 8175 8176 if (!isSystemApp(pkg)) { 8177 // Only system apps can use these features. 8178 pkg.mOriginalPackages = null; 8179 pkg.mRealPackage = null; 8180 pkg.mAdoptPermissions = null; 8181 } 8182 8183 // Getting the package setting may have a side-effect, so if we 8184 // are only checking if scan would succeed, stash a copy of the 8185 // old setting to restore at the end. 8186 PackageSetting nonMutatedPs = null; 8187 8188 // writer 8189 synchronized (mPackages) { 8190 if (pkg.mSharedUserId != null) { 8191 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8192 if (suid == null) { 8193 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8194 "Creating application package " + pkg.packageName 8195 + " for shared user failed"); 8196 } 8197 if (DEBUG_PACKAGE_SCANNING) { 8198 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8199 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8200 + "): packages=" + suid.packages); 8201 } 8202 } 8203 8204 // Check if we are renaming from an original package name. 8205 PackageSetting origPackage = null; 8206 String realName = null; 8207 if (pkg.mOriginalPackages != null) { 8208 // This package may need to be renamed to a previously 8209 // installed name. Let's check on that... 8210 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8211 if (pkg.mOriginalPackages.contains(renamed)) { 8212 // This package had originally been installed as the 8213 // original name, and we have already taken care of 8214 // transitioning to the new one. Just update the new 8215 // one to continue using the old name. 8216 realName = pkg.mRealPackage; 8217 if (!pkg.packageName.equals(renamed)) { 8218 // Callers into this function may have already taken 8219 // care of renaming the package; only do it here if 8220 // it is not already done. 8221 pkg.setPackageName(renamed); 8222 } 8223 8224 } else { 8225 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8226 if ((origPackage = mSettings.peekPackageLPr( 8227 pkg.mOriginalPackages.get(i))) != null) { 8228 // We do have the package already installed under its 8229 // original name... should we use it? 8230 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8231 // New package is not compatible with original. 8232 origPackage = null; 8233 continue; 8234 } else if (origPackage.sharedUser != null) { 8235 // Make sure uid is compatible between packages. 8236 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8237 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8238 + " to " + pkg.packageName + ": old uid " 8239 + origPackage.sharedUser.name 8240 + " differs from " + pkg.mSharedUserId); 8241 origPackage = null; 8242 continue; 8243 } 8244 // TODO: Add case when shared user id is added [b/28144775] 8245 } else { 8246 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8247 + pkg.packageName + " to old name " + origPackage.name); 8248 } 8249 break; 8250 } 8251 } 8252 } 8253 } 8254 8255 if (mTransferedPackages.contains(pkg.packageName)) { 8256 Slog.w(TAG, "Package " + pkg.packageName 8257 + " was transferred to another, but its .apk remains"); 8258 } 8259 8260 // See comments in nonMutatedPs declaration 8261 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8262 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8263 if (foundPs != null) { 8264 nonMutatedPs = new PackageSetting(foundPs); 8265 } 8266 } 8267 8268 // Just create the setting, don't add it yet. For already existing packages 8269 // the PkgSetting exists already and doesn't have to be created. 8270 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8271 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8272 pkg.applicationInfo.primaryCpuAbi, 8273 pkg.applicationInfo.secondaryCpuAbi, 8274 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8275 user, false); 8276 if (pkgSetting == null) { 8277 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8278 "Creating application package " + pkg.packageName + " failed"); 8279 } 8280 8281 if (pkgSetting.origPackage != null) { 8282 // If we are first transitioning from an original package, 8283 // fix up the new package's name now. We need to do this after 8284 // looking up the package under its new name, so getPackageLP 8285 // can take care of fiddling things correctly. 8286 pkg.setPackageName(origPackage.name); 8287 8288 // File a report about this. 8289 String msg = "New package " + pkgSetting.realName 8290 + " renamed to replace old package " + pkgSetting.name; 8291 reportSettingsProblem(Log.WARN, msg); 8292 8293 // Make a note of it. 8294 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8295 mTransferedPackages.add(origPackage.name); 8296 } 8297 8298 // No longer need to retain this. 8299 pkgSetting.origPackage = null; 8300 } 8301 8302 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8303 // Make a note of it. 8304 mTransferedPackages.add(pkg.packageName); 8305 } 8306 8307 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8308 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8309 } 8310 8311 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8312 // Check all shared libraries and map to their actual file path. 8313 // We only do this here for apps not on a system dir, because those 8314 // are the only ones that can fail an install due to this. We 8315 // will take care of the system apps by updating all of their 8316 // library paths after the scan is done. 8317 updateSharedLibrariesLPw(pkg, null); 8318 } 8319 8320 if (mFoundPolicyFile) { 8321 SELinuxMMAC.assignSeinfoValue(pkg); 8322 } 8323 8324 pkg.applicationInfo.uid = pkgSetting.appId; 8325 pkg.mExtras = pkgSetting; 8326 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8327 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8328 // We just determined the app is signed correctly, so bring 8329 // over the latest parsed certs. 8330 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8331 } else { 8332 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8333 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8334 "Package " + pkg.packageName + " upgrade keys do not match the " 8335 + "previously installed version"); 8336 } else { 8337 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8338 String msg = "System package " + pkg.packageName 8339 + " signature changed; retaining data."; 8340 reportSettingsProblem(Log.WARN, msg); 8341 } 8342 } 8343 } else { 8344 try { 8345 verifySignaturesLP(pkgSetting, pkg); 8346 // We just determined the app is signed correctly, so bring 8347 // over the latest parsed certs. 8348 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8349 } catch (PackageManagerException e) { 8350 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8351 throw e; 8352 } 8353 // The signature has changed, but this package is in the system 8354 // image... let's recover! 8355 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8356 // However... if this package is part of a shared user, but it 8357 // doesn't match the signature of the shared user, let's fail. 8358 // What this means is that you can't change the signatures 8359 // associated with an overall shared user, which doesn't seem all 8360 // that unreasonable. 8361 if (pkgSetting.sharedUser != null) { 8362 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8363 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8364 throw new PackageManagerException( 8365 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8366 "Signature mismatch for shared user: " 8367 + pkgSetting.sharedUser); 8368 } 8369 } 8370 // File a report about this. 8371 String msg = "System package " + pkg.packageName 8372 + " signature changed; retaining data."; 8373 reportSettingsProblem(Log.WARN, msg); 8374 } 8375 } 8376 // Verify that this new package doesn't have any content providers 8377 // that conflict with existing packages. Only do this if the 8378 // package isn't already installed, since we don't want to break 8379 // things that are installed. 8380 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8381 final int N = pkg.providers.size(); 8382 int i; 8383 for (i=0; i<N; i++) { 8384 PackageParser.Provider p = pkg.providers.get(i); 8385 if (p.info.authority != null) { 8386 String names[] = p.info.authority.split(";"); 8387 for (int j = 0; j < names.length; j++) { 8388 if (mProvidersByAuthority.containsKey(names[j])) { 8389 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8390 final String otherPackageName = 8391 ((other != null && other.getComponentName() != null) ? 8392 other.getComponentName().getPackageName() : "?"); 8393 throw new PackageManagerException( 8394 INSTALL_FAILED_CONFLICTING_PROVIDER, 8395 "Can't install because provider name " + names[j] 8396 + " (in package " + pkg.applicationInfo.packageName 8397 + ") is already used by " + otherPackageName); 8398 } 8399 } 8400 } 8401 } 8402 } 8403 8404 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8405 // This package wants to adopt ownership of permissions from 8406 // another package. 8407 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8408 final String origName = pkg.mAdoptPermissions.get(i); 8409 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8410 if (orig != null) { 8411 if (verifyPackageUpdateLPr(orig, pkg)) { 8412 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8413 + pkg.packageName); 8414 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8415 } 8416 } 8417 } 8418 } 8419 } 8420 8421 final String pkgName = pkg.packageName; 8422 8423 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 8424 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8425 pkg.applicationInfo.processName = fixProcessName( 8426 pkg.applicationInfo.packageName, 8427 pkg.applicationInfo.processName, 8428 pkg.applicationInfo.uid); 8429 8430 if (pkg != mPlatformPackage) { 8431 // Get all of our default paths setup 8432 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8433 } 8434 8435 final String path = scanFile.getPath(); 8436 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8437 8438 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8439 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8440 8441 // Some system apps still use directory structure for native libraries 8442 // in which case we might end up not detecting abi solely based on apk 8443 // structure. Try to detect abi based on directory structure. 8444 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8445 pkg.applicationInfo.primaryCpuAbi == null) { 8446 setBundledAppAbisAndRoots(pkg, pkgSetting); 8447 setNativeLibraryPaths(pkg); 8448 } 8449 8450 } else { 8451 if ((scanFlags & SCAN_MOVE) != 0) { 8452 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8453 // but we already have this packages package info in the PackageSetting. We just 8454 // use that and derive the native library path based on the new codepath. 8455 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8456 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8457 } 8458 8459 // Set native library paths again. For moves, the path will be updated based on the 8460 // ABIs we've determined above. For non-moves, the path will be updated based on the 8461 // ABIs we determined during compilation, but the path will depend on the final 8462 // package path (after the rename away from the stage path). 8463 setNativeLibraryPaths(pkg); 8464 } 8465 8466 // This is a special case for the "system" package, where the ABI is 8467 // dictated by the zygote configuration (and init.rc). We should keep track 8468 // of this ABI so that we can deal with "normal" applications that run under 8469 // the same UID correctly. 8470 if (mPlatformPackage == pkg) { 8471 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8472 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8473 } 8474 8475 // If there's a mismatch between the abi-override in the package setting 8476 // and the abiOverride specified for the install. Warn about this because we 8477 // would've already compiled the app without taking the package setting into 8478 // account. 8479 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8480 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8481 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8482 " for package " + pkg.packageName); 8483 } 8484 } 8485 8486 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8487 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8488 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8489 8490 // Copy the derived override back to the parsed package, so that we can 8491 // update the package settings accordingly. 8492 pkg.cpuAbiOverride = cpuAbiOverride; 8493 8494 if (DEBUG_ABI_SELECTION) { 8495 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8496 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8497 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8498 } 8499 8500 // Push the derived path down into PackageSettings so we know what to 8501 // clean up at uninstall time. 8502 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8503 8504 if (DEBUG_ABI_SELECTION) { 8505 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8506 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8507 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8508 } 8509 8510 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8511 // We don't do this here during boot because we can do it all 8512 // at once after scanning all existing packages. 8513 // 8514 // We also do this *before* we perform dexopt on this package, so that 8515 // we can avoid redundant dexopts, and also to make sure we've got the 8516 // code and package path correct. 8517 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8518 pkg, true /* boot complete */); 8519 } 8520 8521 if (mFactoryTest && pkg.requestedPermissions.contains( 8522 android.Manifest.permission.FACTORY_TEST)) { 8523 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8524 } 8525 8526 ArrayList<PackageParser.Package> clientLibPkgs = null; 8527 8528 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8529 if (nonMutatedPs != null) { 8530 synchronized (mPackages) { 8531 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8532 } 8533 } 8534 return pkg; 8535 } 8536 8537 // Only privileged apps and updated privileged apps can add child packages. 8538 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8539 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8540 throw new PackageManagerException("Only privileged apps and updated " 8541 + "privileged apps can add child packages. Ignoring package " 8542 + pkg.packageName); 8543 } 8544 final int childCount = pkg.childPackages.size(); 8545 for (int i = 0; i < childCount; i++) { 8546 PackageParser.Package childPkg = pkg.childPackages.get(i); 8547 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8548 childPkg.packageName)) { 8549 throw new PackageManagerException("Cannot override a child package of " 8550 + "another disabled system app. Ignoring package " + pkg.packageName); 8551 } 8552 } 8553 } 8554 8555 // writer 8556 synchronized (mPackages) { 8557 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8558 // Only system apps can add new shared libraries. 8559 if (pkg.libraryNames != null) { 8560 for (int i=0; i<pkg.libraryNames.size(); i++) { 8561 String name = pkg.libraryNames.get(i); 8562 boolean allowed = false; 8563 if (pkg.isUpdatedSystemApp()) { 8564 // New library entries can only be added through the 8565 // system image. This is important to get rid of a lot 8566 // of nasty edge cases: for example if we allowed a non- 8567 // system update of the app to add a library, then uninstalling 8568 // the update would make the library go away, and assumptions 8569 // we made such as through app install filtering would now 8570 // have allowed apps on the device which aren't compatible 8571 // with it. Better to just have the restriction here, be 8572 // conservative, and create many fewer cases that can negatively 8573 // impact the user experience. 8574 final PackageSetting sysPs = mSettings 8575 .getDisabledSystemPkgLPr(pkg.packageName); 8576 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8577 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8578 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8579 allowed = true; 8580 break; 8581 } 8582 } 8583 } 8584 } else { 8585 allowed = true; 8586 } 8587 if (allowed) { 8588 if (!mSharedLibraries.containsKey(name)) { 8589 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8590 } else if (!name.equals(pkg.packageName)) { 8591 Slog.w(TAG, "Package " + pkg.packageName + " library " 8592 + name + " already exists; skipping"); 8593 } 8594 } else { 8595 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8596 + name + " that is not declared on system image; skipping"); 8597 } 8598 } 8599 if ((scanFlags & SCAN_BOOTING) == 0) { 8600 // If we are not booting, we need to update any applications 8601 // that are clients of our shared library. If we are booting, 8602 // this will all be done once the scan is complete. 8603 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8604 } 8605 } 8606 } 8607 } 8608 8609 if ((scanFlags & SCAN_BOOTING) != 0) { 8610 // No apps can run during boot scan, so they don't need to be frozen 8611 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8612 // Caller asked to not kill app, so it's probably not frozen 8613 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8614 // Caller asked us to ignore frozen check for some reason; they 8615 // probably didn't know the package name 8616 } else { 8617 // We're doing major surgery on this package, so it better be frozen 8618 // right now to keep it from launching 8619 checkPackageFrozen(pkgName); 8620 } 8621 8622 // Also need to kill any apps that are dependent on the library. 8623 if (clientLibPkgs != null) { 8624 for (int i=0; i<clientLibPkgs.size(); i++) { 8625 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8626 killApplication(clientPkg.applicationInfo.packageName, 8627 clientPkg.applicationInfo.uid, "update lib"); 8628 } 8629 } 8630 8631 // Make sure we're not adding any bogus keyset info 8632 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8633 ksms.assertScannedPackageValid(pkg); 8634 8635 // writer 8636 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8637 8638 boolean createIdmapFailed = false; 8639 synchronized (mPackages) { 8640 // We don't expect installation to fail beyond this point 8641 8642 if (pkgSetting.pkg != null) { 8643 // Note that |user| might be null during the initial boot scan. If a codePath 8644 // for an app has changed during a boot scan, it's due to an app update that's 8645 // part of the system partition and marker changes must be applied to all users. 8646 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8647 (user != null) ? user : UserHandle.ALL); 8648 } 8649 8650 // Add the new setting to mSettings 8651 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8652 // Add the new setting to mPackages 8653 mPackages.put(pkg.applicationInfo.packageName, pkg); 8654 // Make sure we don't accidentally delete its data. 8655 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8656 while (iter.hasNext()) { 8657 PackageCleanItem item = iter.next(); 8658 if (pkgName.equals(item.packageName)) { 8659 iter.remove(); 8660 } 8661 } 8662 8663 // Take care of first install / last update times. 8664 if (currentTime != 0) { 8665 if (pkgSetting.firstInstallTime == 0) { 8666 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8667 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8668 pkgSetting.lastUpdateTime = currentTime; 8669 } 8670 } else if (pkgSetting.firstInstallTime == 0) { 8671 // We need *something*. Take time time stamp of the file. 8672 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8673 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8674 if (scanFileTime != pkgSetting.timeStamp) { 8675 // A package on the system image has changed; consider this 8676 // to be an update. 8677 pkgSetting.lastUpdateTime = scanFileTime; 8678 } 8679 } 8680 8681 // Add the package's KeySets to the global KeySetManagerService 8682 ksms.addScannedPackageLPw(pkg); 8683 8684 int N = pkg.providers.size(); 8685 StringBuilder r = null; 8686 int i; 8687 for (i=0; i<N; i++) { 8688 PackageParser.Provider p = pkg.providers.get(i); 8689 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8690 p.info.processName, pkg.applicationInfo.uid); 8691 mProviders.addProvider(p); 8692 p.syncable = p.info.isSyncable; 8693 if (p.info.authority != null) { 8694 String names[] = p.info.authority.split(";"); 8695 p.info.authority = null; 8696 for (int j = 0; j < names.length; j++) { 8697 if (j == 1 && p.syncable) { 8698 // We only want the first authority for a provider to possibly be 8699 // syncable, so if we already added this provider using a different 8700 // authority clear the syncable flag. We copy the provider before 8701 // changing it because the mProviders object contains a reference 8702 // to a provider that we don't want to change. 8703 // Only do this for the second authority since the resulting provider 8704 // object can be the same for all future authorities for this provider. 8705 p = new PackageParser.Provider(p); 8706 p.syncable = false; 8707 } 8708 if (!mProvidersByAuthority.containsKey(names[j])) { 8709 mProvidersByAuthority.put(names[j], p); 8710 if (p.info.authority == null) { 8711 p.info.authority = names[j]; 8712 } else { 8713 p.info.authority = p.info.authority + ";" + names[j]; 8714 } 8715 if (DEBUG_PACKAGE_SCANNING) { 8716 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8717 Log.d(TAG, "Registered content provider: " + names[j] 8718 + ", className = " + p.info.name + ", isSyncable = " 8719 + p.info.isSyncable); 8720 } 8721 } else { 8722 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8723 Slog.w(TAG, "Skipping provider name " + names[j] + 8724 " (in package " + pkg.applicationInfo.packageName + 8725 "): name already used by " 8726 + ((other != null && other.getComponentName() != null) 8727 ? other.getComponentName().getPackageName() : "?")); 8728 } 8729 } 8730 } 8731 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8732 if (r == null) { 8733 r = new StringBuilder(256); 8734 } else { 8735 r.append(' '); 8736 } 8737 r.append(p.info.name); 8738 } 8739 } 8740 if (r != null) { 8741 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8742 } 8743 8744 N = pkg.services.size(); 8745 r = null; 8746 for (i=0; i<N; i++) { 8747 PackageParser.Service s = pkg.services.get(i); 8748 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8749 s.info.processName, pkg.applicationInfo.uid); 8750 mServices.addService(s); 8751 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8752 if (r == null) { 8753 r = new StringBuilder(256); 8754 } else { 8755 r.append(' '); 8756 } 8757 r.append(s.info.name); 8758 } 8759 } 8760 if (r != null) { 8761 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8762 } 8763 8764 N = pkg.receivers.size(); 8765 r = null; 8766 for (i=0; i<N; i++) { 8767 PackageParser.Activity a = pkg.receivers.get(i); 8768 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8769 a.info.processName, pkg.applicationInfo.uid); 8770 mReceivers.addActivity(a, "receiver"); 8771 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8772 if (r == null) { 8773 r = new StringBuilder(256); 8774 } else { 8775 r.append(' '); 8776 } 8777 r.append(a.info.name); 8778 } 8779 } 8780 if (r != null) { 8781 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8782 } 8783 8784 N = pkg.activities.size(); 8785 r = null; 8786 for (i=0; i<N; i++) { 8787 PackageParser.Activity a = pkg.activities.get(i); 8788 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8789 a.info.processName, pkg.applicationInfo.uid); 8790 mActivities.addActivity(a, "activity"); 8791 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8792 if (r == null) { 8793 r = new StringBuilder(256); 8794 } else { 8795 r.append(' '); 8796 } 8797 r.append(a.info.name); 8798 } 8799 } 8800 if (r != null) { 8801 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8802 } 8803 8804 N = pkg.permissionGroups.size(); 8805 r = null; 8806 for (i=0; i<N; i++) { 8807 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8808 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8809 if (cur == null) { 8810 mPermissionGroups.put(pg.info.name, pg); 8811 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8812 if (r == null) { 8813 r = new StringBuilder(256); 8814 } else { 8815 r.append(' '); 8816 } 8817 r.append(pg.info.name); 8818 } 8819 } else { 8820 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8821 + pg.info.packageName + " ignored: original from " 8822 + cur.info.packageName); 8823 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8824 if (r == null) { 8825 r = new StringBuilder(256); 8826 } else { 8827 r.append(' '); 8828 } 8829 r.append("DUP:"); 8830 r.append(pg.info.name); 8831 } 8832 } 8833 } 8834 if (r != null) { 8835 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8836 } 8837 8838 N = pkg.permissions.size(); 8839 r = null; 8840 for (i=0; i<N; i++) { 8841 PackageParser.Permission p = pkg.permissions.get(i); 8842 8843 // Assume by default that we did not install this permission into the system. 8844 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8845 8846 // Now that permission groups have a special meaning, we ignore permission 8847 // groups for legacy apps to prevent unexpected behavior. In particular, 8848 // permissions for one app being granted to someone just becase they happen 8849 // to be in a group defined by another app (before this had no implications). 8850 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8851 p.group = mPermissionGroups.get(p.info.group); 8852 // Warn for a permission in an unknown group. 8853 if (p.info.group != null && p.group == null) { 8854 Slog.w(TAG, "Permission " + p.info.name + " from package " 8855 + p.info.packageName + " in an unknown group " + p.info.group); 8856 } 8857 } 8858 8859 ArrayMap<String, BasePermission> permissionMap = 8860 p.tree ? mSettings.mPermissionTrees 8861 : mSettings.mPermissions; 8862 BasePermission bp = permissionMap.get(p.info.name); 8863 8864 // Allow system apps to redefine non-system permissions 8865 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8866 final boolean currentOwnerIsSystem = (bp.perm != null 8867 && isSystemApp(bp.perm.owner)); 8868 if (isSystemApp(p.owner)) { 8869 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8870 // It's a built-in permission and no owner, take ownership now 8871 bp.packageSetting = pkgSetting; 8872 bp.perm = p; 8873 bp.uid = pkg.applicationInfo.uid; 8874 bp.sourcePackage = p.info.packageName; 8875 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8876 } else if (!currentOwnerIsSystem) { 8877 String msg = "New decl " + p.owner + " of permission " 8878 + p.info.name + " is system; overriding " + bp.sourcePackage; 8879 reportSettingsProblem(Log.WARN, msg); 8880 bp = null; 8881 } 8882 } 8883 } 8884 8885 if (bp == null) { 8886 bp = new BasePermission(p.info.name, p.info.packageName, 8887 BasePermission.TYPE_NORMAL); 8888 permissionMap.put(p.info.name, bp); 8889 } 8890 8891 if (bp.perm == null) { 8892 if (bp.sourcePackage == null 8893 || bp.sourcePackage.equals(p.info.packageName)) { 8894 BasePermission tree = findPermissionTreeLP(p.info.name); 8895 if (tree == null 8896 || tree.sourcePackage.equals(p.info.packageName)) { 8897 bp.packageSetting = pkgSetting; 8898 bp.perm = p; 8899 bp.uid = pkg.applicationInfo.uid; 8900 bp.sourcePackage = p.info.packageName; 8901 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8902 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8903 if (r == null) { 8904 r = new StringBuilder(256); 8905 } else { 8906 r.append(' '); 8907 } 8908 r.append(p.info.name); 8909 } 8910 } else { 8911 Slog.w(TAG, "Permission " + p.info.name + " from package " 8912 + p.info.packageName + " ignored: base tree " 8913 + tree.name + " is from package " 8914 + tree.sourcePackage); 8915 } 8916 } else { 8917 Slog.w(TAG, "Permission " + p.info.name + " from package " 8918 + p.info.packageName + " ignored: original from " 8919 + bp.sourcePackage); 8920 } 8921 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8922 if (r == null) { 8923 r = new StringBuilder(256); 8924 } else { 8925 r.append(' '); 8926 } 8927 r.append("DUP:"); 8928 r.append(p.info.name); 8929 } 8930 if (bp.perm == p) { 8931 bp.protectionLevel = p.info.protectionLevel; 8932 } 8933 } 8934 8935 if (r != null) { 8936 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8937 } 8938 8939 N = pkg.instrumentation.size(); 8940 r = null; 8941 for (i=0; i<N; i++) { 8942 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8943 a.info.packageName = pkg.applicationInfo.packageName; 8944 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8945 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8946 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8947 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8948 a.info.dataDir = pkg.applicationInfo.dataDir; 8949 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8950 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8951 8952 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8953 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8954 mInstrumentation.put(a.getComponentName(), a); 8955 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8956 if (r == null) { 8957 r = new StringBuilder(256); 8958 } else { 8959 r.append(' '); 8960 } 8961 r.append(a.info.name); 8962 } 8963 } 8964 if (r != null) { 8965 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8966 } 8967 8968 if (pkg.protectedBroadcasts != null) { 8969 N = pkg.protectedBroadcasts.size(); 8970 for (i=0; i<N; i++) { 8971 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8972 } 8973 } 8974 8975 pkgSetting.setTimeStamp(scanFileTime); 8976 8977 // Create idmap files for pairs of (packages, overlay packages). 8978 // Note: "android", ie framework-res.apk, is handled by native layers. 8979 if (pkg.mOverlayTarget != null) { 8980 // This is an overlay package. 8981 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8982 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8983 mOverlays.put(pkg.mOverlayTarget, 8984 new ArrayMap<String, PackageParser.Package>()); 8985 } 8986 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8987 map.put(pkg.packageName, pkg); 8988 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8989 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8990 createIdmapFailed = true; 8991 } 8992 } 8993 } else if (mOverlays.containsKey(pkg.packageName) && 8994 !pkg.packageName.equals("android")) { 8995 // This is a regular package, with one or more known overlay packages. 8996 createIdmapsForPackageLI(pkg); 8997 } 8998 } 8999 9000 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9001 9002 if (createIdmapFailed) { 9003 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9004 "scanPackageLI failed to createIdmap"); 9005 } 9006 return pkg; 9007 } 9008 9009 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 9010 PackageParser.Package update, UserHandle user) { 9011 if (existing.applicationInfo == null || update.applicationInfo == null) { 9012 // This isn't due to an app installation. 9013 return; 9014 } 9015 9016 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 9017 final File newCodePath = new File(update.applicationInfo.getCodePath()); 9018 9019 // The codePath hasn't changed, so there's nothing for us to do. 9020 if (Objects.equals(oldCodePath, newCodePath)) { 9021 return; 9022 } 9023 9024 File canonicalNewCodePath; 9025 try { 9026 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9027 } catch (IOException e) { 9028 Slog.w(TAG, "Failed to get canonical path.", e); 9029 return; 9030 } 9031 9032 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9033 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9034 // that the last component of the path (i.e, the name) doesn't need canonicalization 9035 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9036 // but may change in the future. Hopefully this function won't exist at that point. 9037 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9038 oldCodePath.getName()); 9039 9040 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9041 // with "@". 9042 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9043 if (!oldMarkerPrefix.endsWith("@")) { 9044 oldMarkerPrefix += "@"; 9045 } 9046 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9047 if (!newMarkerPrefix.endsWith("@")) { 9048 newMarkerPrefix += "@"; 9049 } 9050 9051 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9052 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9053 for (String updatedPath : updatedPaths) { 9054 String updatedPathName = new File(updatedPath).getName(); 9055 markerSuffixes.add(updatedPathName.replace('/', '@')); 9056 } 9057 9058 for (int userId : resolveUserIds(user.getIdentifier())) { 9059 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9060 9061 for (String markerSuffix : markerSuffixes) { 9062 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9063 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9064 if (oldForeignUseMark.exists()) { 9065 try { 9066 Os.rename(oldForeignUseMark.getAbsolutePath(), 9067 newForeignUseMark.getAbsolutePath()); 9068 } catch (ErrnoException e) { 9069 Slog.w(TAG, "Failed to rename foreign use marker", e); 9070 oldForeignUseMark.delete(); 9071 } 9072 } 9073 } 9074 } 9075 } 9076 9077 /** 9078 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9079 * is derived purely on the basis of the contents of {@code scanFile} and 9080 * {@code cpuAbiOverride}. 9081 * 9082 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9083 */ 9084 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9085 String cpuAbiOverride, boolean extractLibs) 9086 throws PackageManagerException { 9087 // TODO: We can probably be smarter about this stuff. For installed apps, 9088 // we can calculate this information at install time once and for all. For 9089 // system apps, we can probably assume that this information doesn't change 9090 // after the first boot scan. As things stand, we do lots of unnecessary work. 9091 9092 // Give ourselves some initial paths; we'll come back for another 9093 // pass once we've determined ABI below. 9094 setNativeLibraryPaths(pkg); 9095 9096 // We would never need to extract libs for forward-locked and external packages, 9097 // since the container service will do it for us. We shouldn't attempt to 9098 // extract libs from system app when it was not updated. 9099 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9100 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9101 extractLibs = false; 9102 } 9103 9104 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9105 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9106 9107 NativeLibraryHelper.Handle handle = null; 9108 try { 9109 handle = NativeLibraryHelper.Handle.create(pkg); 9110 // TODO(multiArch): This can be null for apps that didn't go through the 9111 // usual installation process. We can calculate it again, like we 9112 // do during install time. 9113 // 9114 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9115 // unnecessary. 9116 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9117 9118 // Null out the abis so that they can be recalculated. 9119 pkg.applicationInfo.primaryCpuAbi = null; 9120 pkg.applicationInfo.secondaryCpuAbi = null; 9121 if (isMultiArch(pkg.applicationInfo)) { 9122 // Warn if we've set an abiOverride for multi-lib packages.. 9123 // By definition, we need to copy both 32 and 64 bit libraries for 9124 // such packages. 9125 if (pkg.cpuAbiOverride != null 9126 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9127 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9128 } 9129 9130 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9131 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9132 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9133 if (extractLibs) { 9134 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9135 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9136 useIsaSpecificSubdirs); 9137 } else { 9138 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9139 } 9140 } 9141 9142 maybeThrowExceptionForMultiArchCopy( 9143 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9144 9145 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9146 if (extractLibs) { 9147 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9148 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9149 useIsaSpecificSubdirs); 9150 } else { 9151 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9152 } 9153 } 9154 9155 maybeThrowExceptionForMultiArchCopy( 9156 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9157 9158 if (abi64 >= 0) { 9159 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9160 } 9161 9162 if (abi32 >= 0) { 9163 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9164 if (abi64 >= 0) { 9165 if (pkg.use32bitAbi) { 9166 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9167 pkg.applicationInfo.primaryCpuAbi = abi; 9168 } else { 9169 pkg.applicationInfo.secondaryCpuAbi = abi; 9170 } 9171 } else { 9172 pkg.applicationInfo.primaryCpuAbi = abi; 9173 } 9174 } 9175 9176 } else { 9177 String[] abiList = (cpuAbiOverride != null) ? 9178 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9179 9180 // Enable gross and lame hacks for apps that are built with old 9181 // SDK tools. We must scan their APKs for renderscript bitcode and 9182 // not launch them if it's present. Don't bother checking on devices 9183 // that don't have 64 bit support. 9184 boolean needsRenderScriptOverride = false; 9185 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9186 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9187 abiList = Build.SUPPORTED_32_BIT_ABIS; 9188 needsRenderScriptOverride = true; 9189 } 9190 9191 final int copyRet; 9192 if (extractLibs) { 9193 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9194 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9195 } else { 9196 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9197 } 9198 9199 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9200 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9201 "Error unpackaging native libs for app, errorCode=" + copyRet); 9202 } 9203 9204 if (copyRet >= 0) { 9205 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9206 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9207 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9208 } else if (needsRenderScriptOverride) { 9209 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9210 } 9211 } 9212 } catch (IOException ioe) { 9213 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9214 } finally { 9215 IoUtils.closeQuietly(handle); 9216 } 9217 9218 // Now that we've calculated the ABIs and determined if it's an internal app, 9219 // we will go ahead and populate the nativeLibraryPath. 9220 setNativeLibraryPaths(pkg); 9221 } 9222 9223 /** 9224 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9225 * i.e, so that all packages can be run inside a single process if required. 9226 * 9227 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9228 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9229 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9230 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9231 * updating a package that belongs to a shared user. 9232 * 9233 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9234 * adds unnecessary complexity. 9235 */ 9236 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9237 PackageParser.Package scannedPackage, boolean bootComplete) { 9238 String requiredInstructionSet = null; 9239 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9240 requiredInstructionSet = VMRuntime.getInstructionSet( 9241 scannedPackage.applicationInfo.primaryCpuAbi); 9242 } 9243 9244 PackageSetting requirer = null; 9245 for (PackageSetting ps : packagesForUser) { 9246 // If packagesForUser contains scannedPackage, we skip it. This will happen 9247 // when scannedPackage is an update of an existing package. Without this check, 9248 // we will never be able to change the ABI of any package belonging to a shared 9249 // user, even if it's compatible with other packages. 9250 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9251 if (ps.primaryCpuAbiString == null) { 9252 continue; 9253 } 9254 9255 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9256 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9257 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9258 // this but there's not much we can do. 9259 String errorMessage = "Instruction set mismatch, " 9260 + ((requirer == null) ? "[caller]" : requirer) 9261 + " requires " + requiredInstructionSet + " whereas " + ps 9262 + " requires " + instructionSet; 9263 Slog.w(TAG, errorMessage); 9264 } 9265 9266 if (requiredInstructionSet == null) { 9267 requiredInstructionSet = instructionSet; 9268 requirer = ps; 9269 } 9270 } 9271 } 9272 9273 if (requiredInstructionSet != null) { 9274 String adjustedAbi; 9275 if (requirer != null) { 9276 // requirer != null implies that either scannedPackage was null or that scannedPackage 9277 // did not require an ABI, in which case we have to adjust scannedPackage to match 9278 // the ABI of the set (which is the same as requirer's ABI) 9279 adjustedAbi = requirer.primaryCpuAbiString; 9280 if (scannedPackage != null) { 9281 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9282 } 9283 } else { 9284 // requirer == null implies that we're updating all ABIs in the set to 9285 // match scannedPackage. 9286 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9287 } 9288 9289 for (PackageSetting ps : packagesForUser) { 9290 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9291 if (ps.primaryCpuAbiString != null) { 9292 continue; 9293 } 9294 9295 ps.primaryCpuAbiString = adjustedAbi; 9296 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9297 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9298 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9299 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9300 + " (requirer=" 9301 + (requirer == null ? "null" : requirer.pkg.packageName) 9302 + ", scannedPackage=" 9303 + (scannedPackage != null ? scannedPackage.packageName : "null") 9304 + ")"); 9305 try { 9306 mInstaller.rmdex(ps.codePathString, 9307 getDexCodeInstructionSet(getPreferredInstructionSet())); 9308 } catch (InstallerException ignored) { 9309 } 9310 } 9311 } 9312 } 9313 } 9314 } 9315 9316 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9317 synchronized (mPackages) { 9318 mResolverReplaced = true; 9319 // Set up information for custom user intent resolution activity. 9320 mResolveActivity.applicationInfo = pkg.applicationInfo; 9321 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9322 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9323 mResolveActivity.processName = pkg.applicationInfo.packageName; 9324 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9325 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9326 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9327 mResolveActivity.theme = 0; 9328 mResolveActivity.exported = true; 9329 mResolveActivity.enabled = true; 9330 mResolveInfo.activityInfo = mResolveActivity; 9331 mResolveInfo.priority = 0; 9332 mResolveInfo.preferredOrder = 0; 9333 mResolveInfo.match = 0; 9334 mResolveComponentName = mCustomResolverComponentName; 9335 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9336 mResolveComponentName); 9337 } 9338 } 9339 9340 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9341 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9342 9343 // Set up information for ephemeral installer activity 9344 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9345 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9346 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9347 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9348 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9349 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9350 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9351 mEphemeralInstallerActivity.theme = 0; 9352 mEphemeralInstallerActivity.exported = true; 9353 mEphemeralInstallerActivity.enabled = true; 9354 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9355 mEphemeralInstallerInfo.priority = 0; 9356 mEphemeralInstallerInfo.preferredOrder = 0; 9357 mEphemeralInstallerInfo.match = 0; 9358 9359 if (DEBUG_EPHEMERAL) { 9360 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9361 } 9362 } 9363 9364 private static String calculateBundledApkRoot(final String codePathString) { 9365 final File codePath = new File(codePathString); 9366 final File codeRoot; 9367 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9368 codeRoot = Environment.getRootDirectory(); 9369 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9370 codeRoot = Environment.getOemDirectory(); 9371 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9372 codeRoot = Environment.getVendorDirectory(); 9373 } else { 9374 // Unrecognized code path; take its top real segment as the apk root: 9375 // e.g. /something/app/blah.apk => /something 9376 try { 9377 File f = codePath.getCanonicalFile(); 9378 File parent = f.getParentFile(); // non-null because codePath is a file 9379 File tmp; 9380 while ((tmp = parent.getParentFile()) != null) { 9381 f = parent; 9382 parent = tmp; 9383 } 9384 codeRoot = f; 9385 Slog.w(TAG, "Unrecognized code path " 9386 + codePath + " - using " + codeRoot); 9387 } catch (IOException e) { 9388 // Can't canonicalize the code path -- shenanigans? 9389 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9390 return Environment.getRootDirectory().getPath(); 9391 } 9392 } 9393 return codeRoot.getPath(); 9394 } 9395 9396 /** 9397 * Derive and set the location of native libraries for the given package, 9398 * which varies depending on where and how the package was installed. 9399 */ 9400 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9401 final ApplicationInfo info = pkg.applicationInfo; 9402 final String codePath = pkg.codePath; 9403 final File codeFile = new File(codePath); 9404 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9405 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9406 9407 info.nativeLibraryRootDir = null; 9408 info.nativeLibraryRootRequiresIsa = false; 9409 info.nativeLibraryDir = null; 9410 info.secondaryNativeLibraryDir = null; 9411 9412 if (isApkFile(codeFile)) { 9413 // Monolithic install 9414 if (bundledApp) { 9415 // If "/system/lib64/apkname" exists, assume that is the per-package 9416 // native library directory to use; otherwise use "/system/lib/apkname". 9417 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9418 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9419 getPrimaryInstructionSet(info)); 9420 9421 // This is a bundled system app so choose the path based on the ABI. 9422 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9423 // is just the default path. 9424 final String apkName = deriveCodePathName(codePath); 9425 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9426 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9427 apkName).getAbsolutePath(); 9428 9429 if (info.secondaryCpuAbi != null) { 9430 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9431 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9432 secondaryLibDir, apkName).getAbsolutePath(); 9433 } 9434 } else if (asecApp) { 9435 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9436 .getAbsolutePath(); 9437 } else { 9438 final String apkName = deriveCodePathName(codePath); 9439 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9440 .getAbsolutePath(); 9441 } 9442 9443 info.nativeLibraryRootRequiresIsa = false; 9444 info.nativeLibraryDir = info.nativeLibraryRootDir; 9445 } else { 9446 // Cluster install 9447 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9448 info.nativeLibraryRootRequiresIsa = true; 9449 9450 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9451 getPrimaryInstructionSet(info)).getAbsolutePath(); 9452 9453 if (info.secondaryCpuAbi != null) { 9454 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9455 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9456 } 9457 } 9458 } 9459 9460 /** 9461 * Calculate the abis and roots for a bundled app. These can uniquely 9462 * be determined from the contents of the system partition, i.e whether 9463 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9464 * of this information, and instead assume that the system was built 9465 * sensibly. 9466 */ 9467 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9468 PackageSetting pkgSetting) { 9469 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9470 9471 // If "/system/lib64/apkname" exists, assume that is the per-package 9472 // native library directory to use; otherwise use "/system/lib/apkname". 9473 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9474 setBundledAppAbi(pkg, apkRoot, apkName); 9475 // pkgSetting might be null during rescan following uninstall of updates 9476 // to a bundled app, so accommodate that possibility. The settings in 9477 // that case will be established later from the parsed package. 9478 // 9479 // If the settings aren't null, sync them up with what we've just derived. 9480 // note that apkRoot isn't stored in the package settings. 9481 if (pkgSetting != null) { 9482 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9483 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9484 } 9485 } 9486 9487 /** 9488 * Deduces the ABI of a bundled app and sets the relevant fields on the 9489 * parsed pkg object. 9490 * 9491 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9492 * under which system libraries are installed. 9493 * @param apkName the name of the installed package. 9494 */ 9495 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9496 final File codeFile = new File(pkg.codePath); 9497 9498 final boolean has64BitLibs; 9499 final boolean has32BitLibs; 9500 if (isApkFile(codeFile)) { 9501 // Monolithic install 9502 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9503 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9504 } else { 9505 // Cluster install 9506 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9507 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9508 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9509 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9510 has64BitLibs = (new File(rootDir, isa)).exists(); 9511 } else { 9512 has64BitLibs = false; 9513 } 9514 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9515 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9516 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9517 has32BitLibs = (new File(rootDir, isa)).exists(); 9518 } else { 9519 has32BitLibs = false; 9520 } 9521 } 9522 9523 if (has64BitLibs && !has32BitLibs) { 9524 // The package has 64 bit libs, but not 32 bit libs. Its primary 9525 // ABI should be 64 bit. We can safely assume here that the bundled 9526 // native libraries correspond to the most preferred ABI in the list. 9527 9528 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9529 pkg.applicationInfo.secondaryCpuAbi = null; 9530 } else if (has32BitLibs && !has64BitLibs) { 9531 // The package has 32 bit libs but not 64 bit libs. Its primary 9532 // ABI should be 32 bit. 9533 9534 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9535 pkg.applicationInfo.secondaryCpuAbi = null; 9536 } else if (has32BitLibs && has64BitLibs) { 9537 // The application has both 64 and 32 bit bundled libraries. We check 9538 // here that the app declares multiArch support, and warn if it doesn't. 9539 // 9540 // We will be lenient here and record both ABIs. The primary will be the 9541 // ABI that's higher on the list, i.e, a device that's configured to prefer 9542 // 64 bit apps will see a 64 bit primary ABI, 9543 9544 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9545 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9546 } 9547 9548 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9549 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9550 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9551 } else { 9552 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9553 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9554 } 9555 } else { 9556 pkg.applicationInfo.primaryCpuAbi = null; 9557 pkg.applicationInfo.secondaryCpuAbi = null; 9558 } 9559 } 9560 9561 private void killApplication(String pkgName, int appId, String reason) { 9562 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 9563 } 9564 9565 private void killApplication(String pkgName, int appId, int userId, String reason) { 9566 // Request the ActivityManager to kill the process(only for existing packages) 9567 // so that we do not end up in a confused state while the user is still using the older 9568 // version of the application while the new one gets installed. 9569 final long token = Binder.clearCallingIdentity(); 9570 try { 9571 IActivityManager am = ActivityManagerNative.getDefault(); 9572 if (am != null) { 9573 try { 9574 am.killApplication(pkgName, appId, userId, reason); 9575 } catch (RemoteException e) { 9576 } 9577 } 9578 } finally { 9579 Binder.restoreCallingIdentity(token); 9580 } 9581 } 9582 9583 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9584 // Remove the parent package setting 9585 PackageSetting ps = (PackageSetting) pkg.mExtras; 9586 if (ps != null) { 9587 removePackageLI(ps, chatty); 9588 } 9589 // Remove the child package setting 9590 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9591 for (int i = 0; i < childCount; i++) { 9592 PackageParser.Package childPkg = pkg.childPackages.get(i); 9593 ps = (PackageSetting) childPkg.mExtras; 9594 if (ps != null) { 9595 removePackageLI(ps, chatty); 9596 } 9597 } 9598 } 9599 9600 void removePackageLI(PackageSetting ps, boolean chatty) { 9601 if (DEBUG_INSTALL) { 9602 if (chatty) 9603 Log.d(TAG, "Removing package " + ps.name); 9604 } 9605 9606 // writer 9607 synchronized (mPackages) { 9608 mPackages.remove(ps.name); 9609 final PackageParser.Package pkg = ps.pkg; 9610 if (pkg != null) { 9611 cleanPackageDataStructuresLILPw(pkg, chatty); 9612 } 9613 } 9614 } 9615 9616 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9617 if (DEBUG_INSTALL) { 9618 if (chatty) 9619 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9620 } 9621 9622 // writer 9623 synchronized (mPackages) { 9624 // Remove the parent package 9625 mPackages.remove(pkg.applicationInfo.packageName); 9626 cleanPackageDataStructuresLILPw(pkg, chatty); 9627 9628 // Remove the child packages 9629 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9630 for (int i = 0; i < childCount; i++) { 9631 PackageParser.Package childPkg = pkg.childPackages.get(i); 9632 mPackages.remove(childPkg.applicationInfo.packageName); 9633 cleanPackageDataStructuresLILPw(childPkg, chatty); 9634 } 9635 } 9636 } 9637 9638 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9639 int N = pkg.providers.size(); 9640 StringBuilder r = null; 9641 int i; 9642 for (i=0; i<N; i++) { 9643 PackageParser.Provider p = pkg.providers.get(i); 9644 mProviders.removeProvider(p); 9645 if (p.info.authority == null) { 9646 9647 /* There was another ContentProvider with this authority when 9648 * this app was installed so this authority is null, 9649 * Ignore it as we don't have to unregister the provider. 9650 */ 9651 continue; 9652 } 9653 String names[] = p.info.authority.split(";"); 9654 for (int j = 0; j < names.length; j++) { 9655 if (mProvidersByAuthority.get(names[j]) == p) { 9656 mProvidersByAuthority.remove(names[j]); 9657 if (DEBUG_REMOVE) { 9658 if (chatty) 9659 Log.d(TAG, "Unregistered content provider: " + names[j] 9660 + ", className = " + p.info.name + ", isSyncable = " 9661 + p.info.isSyncable); 9662 } 9663 } 9664 } 9665 if (DEBUG_REMOVE && chatty) { 9666 if (r == null) { 9667 r = new StringBuilder(256); 9668 } else { 9669 r.append(' '); 9670 } 9671 r.append(p.info.name); 9672 } 9673 } 9674 if (r != null) { 9675 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9676 } 9677 9678 N = pkg.services.size(); 9679 r = null; 9680 for (i=0; i<N; i++) { 9681 PackageParser.Service s = pkg.services.get(i); 9682 mServices.removeService(s); 9683 if (chatty) { 9684 if (r == null) { 9685 r = new StringBuilder(256); 9686 } else { 9687 r.append(' '); 9688 } 9689 r.append(s.info.name); 9690 } 9691 } 9692 if (r != null) { 9693 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9694 } 9695 9696 N = pkg.receivers.size(); 9697 r = null; 9698 for (i=0; i<N; i++) { 9699 PackageParser.Activity a = pkg.receivers.get(i); 9700 mReceivers.removeActivity(a, "receiver"); 9701 if (DEBUG_REMOVE && chatty) { 9702 if (r == null) { 9703 r = new StringBuilder(256); 9704 } else { 9705 r.append(' '); 9706 } 9707 r.append(a.info.name); 9708 } 9709 } 9710 if (r != null) { 9711 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9712 } 9713 9714 N = pkg.activities.size(); 9715 r = null; 9716 for (i=0; i<N; i++) { 9717 PackageParser.Activity a = pkg.activities.get(i); 9718 mActivities.removeActivity(a, "activity"); 9719 if (DEBUG_REMOVE && chatty) { 9720 if (r == null) { 9721 r = new StringBuilder(256); 9722 } else { 9723 r.append(' '); 9724 } 9725 r.append(a.info.name); 9726 } 9727 } 9728 if (r != null) { 9729 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9730 } 9731 9732 N = pkg.permissions.size(); 9733 r = null; 9734 for (i=0; i<N; i++) { 9735 PackageParser.Permission p = pkg.permissions.get(i); 9736 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9737 if (bp == null) { 9738 bp = mSettings.mPermissionTrees.get(p.info.name); 9739 } 9740 if (bp != null && bp.perm == p) { 9741 bp.perm = null; 9742 if (DEBUG_REMOVE && chatty) { 9743 if (r == null) { 9744 r = new StringBuilder(256); 9745 } else { 9746 r.append(' '); 9747 } 9748 r.append(p.info.name); 9749 } 9750 } 9751 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9752 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9753 if (appOpPkgs != null) { 9754 appOpPkgs.remove(pkg.packageName); 9755 } 9756 } 9757 } 9758 if (r != null) { 9759 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9760 } 9761 9762 N = pkg.requestedPermissions.size(); 9763 r = null; 9764 for (i=0; i<N; i++) { 9765 String perm = pkg.requestedPermissions.get(i); 9766 BasePermission bp = mSettings.mPermissions.get(perm); 9767 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9768 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9769 if (appOpPkgs != null) { 9770 appOpPkgs.remove(pkg.packageName); 9771 if (appOpPkgs.isEmpty()) { 9772 mAppOpPermissionPackages.remove(perm); 9773 } 9774 } 9775 } 9776 } 9777 if (r != null) { 9778 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9779 } 9780 9781 N = pkg.instrumentation.size(); 9782 r = null; 9783 for (i=0; i<N; i++) { 9784 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9785 mInstrumentation.remove(a.getComponentName()); 9786 if (DEBUG_REMOVE && chatty) { 9787 if (r == null) { 9788 r = new StringBuilder(256); 9789 } else { 9790 r.append(' '); 9791 } 9792 r.append(a.info.name); 9793 } 9794 } 9795 if (r != null) { 9796 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9797 } 9798 9799 r = null; 9800 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9801 // Only system apps can hold shared libraries. 9802 if (pkg.libraryNames != null) { 9803 for (i=0; i<pkg.libraryNames.size(); i++) { 9804 String name = pkg.libraryNames.get(i); 9805 SharedLibraryEntry cur = mSharedLibraries.get(name); 9806 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9807 mSharedLibraries.remove(name); 9808 if (DEBUG_REMOVE && chatty) { 9809 if (r == null) { 9810 r = new StringBuilder(256); 9811 } else { 9812 r.append(' '); 9813 } 9814 r.append(name); 9815 } 9816 } 9817 } 9818 } 9819 } 9820 if (r != null) { 9821 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9822 } 9823 } 9824 9825 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9826 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9827 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9828 return true; 9829 } 9830 } 9831 return false; 9832 } 9833 9834 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9835 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9836 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9837 9838 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9839 // Update the parent permissions 9840 updatePermissionsLPw(pkg.packageName, pkg, flags); 9841 // Update the child permissions 9842 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9843 for (int i = 0; i < childCount; i++) { 9844 PackageParser.Package childPkg = pkg.childPackages.get(i); 9845 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9846 } 9847 } 9848 9849 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9850 int flags) { 9851 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9852 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9853 } 9854 9855 private void updatePermissionsLPw(String changingPkg, 9856 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9857 // Make sure there are no dangling permission trees. 9858 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9859 while (it.hasNext()) { 9860 final BasePermission bp = it.next(); 9861 if (bp.packageSetting == null) { 9862 // We may not yet have parsed the package, so just see if 9863 // we still know about its settings. 9864 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9865 } 9866 if (bp.packageSetting == null) { 9867 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9868 + " from package " + bp.sourcePackage); 9869 it.remove(); 9870 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9871 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9872 Slog.i(TAG, "Removing old permission tree: " + bp.name 9873 + " from package " + bp.sourcePackage); 9874 flags |= UPDATE_PERMISSIONS_ALL; 9875 it.remove(); 9876 } 9877 } 9878 } 9879 9880 // Make sure all dynamic permissions have been assigned to a package, 9881 // and make sure there are no dangling permissions. 9882 it = mSettings.mPermissions.values().iterator(); 9883 while (it.hasNext()) { 9884 final BasePermission bp = it.next(); 9885 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9886 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9887 + bp.name + " pkg=" + bp.sourcePackage 9888 + " info=" + bp.pendingInfo); 9889 if (bp.packageSetting == null && bp.pendingInfo != null) { 9890 final BasePermission tree = findPermissionTreeLP(bp.name); 9891 if (tree != null && tree.perm != null) { 9892 bp.packageSetting = tree.packageSetting; 9893 bp.perm = new PackageParser.Permission(tree.perm.owner, 9894 new PermissionInfo(bp.pendingInfo)); 9895 bp.perm.info.packageName = tree.perm.info.packageName; 9896 bp.perm.info.name = bp.name; 9897 bp.uid = tree.uid; 9898 } 9899 } 9900 } 9901 if (bp.packageSetting == null) { 9902 // We may not yet have parsed the package, so just see if 9903 // we still know about its settings. 9904 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9905 } 9906 if (bp.packageSetting == null) { 9907 Slog.w(TAG, "Removing dangling permission: " + bp.name 9908 + " from package " + bp.sourcePackage); 9909 it.remove(); 9910 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9911 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9912 Slog.i(TAG, "Removing old permission: " + bp.name 9913 + " from package " + bp.sourcePackage); 9914 flags |= UPDATE_PERMISSIONS_ALL; 9915 it.remove(); 9916 } 9917 } 9918 } 9919 9920 // Now update the permissions for all packages, in particular 9921 // replace the granted permissions of the system packages. 9922 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9923 for (PackageParser.Package pkg : mPackages.values()) { 9924 if (pkg != pkgInfo) { 9925 // Only replace for packages on requested volume 9926 final String volumeUuid = getVolumeUuidForPackage(pkg); 9927 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9928 && Objects.equals(replaceVolumeUuid, volumeUuid); 9929 grantPermissionsLPw(pkg, replace, changingPkg); 9930 } 9931 } 9932 } 9933 9934 if (pkgInfo != null) { 9935 // Only replace for packages on requested volume 9936 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9937 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9938 && Objects.equals(replaceVolumeUuid, volumeUuid); 9939 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9940 } 9941 } 9942 9943 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9944 String packageOfInterest) { 9945 // IMPORTANT: There are two types of permissions: install and runtime. 9946 // Install time permissions are granted when the app is installed to 9947 // all device users and users added in the future. Runtime permissions 9948 // are granted at runtime explicitly to specific users. Normal and signature 9949 // protected permissions are install time permissions. Dangerous permissions 9950 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9951 // otherwise they are runtime permissions. This function does not manage 9952 // runtime permissions except for the case an app targeting Lollipop MR1 9953 // being upgraded to target a newer SDK, in which case dangerous permissions 9954 // are transformed from install time to runtime ones. 9955 9956 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9957 if (ps == null) { 9958 return; 9959 } 9960 9961 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9962 9963 PermissionsState permissionsState = ps.getPermissionsState(); 9964 PermissionsState origPermissions = permissionsState; 9965 9966 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9967 9968 boolean runtimePermissionsRevoked = false; 9969 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9970 9971 boolean changedInstallPermission = false; 9972 9973 if (replace) { 9974 ps.installPermissionsFixed = false; 9975 if (!ps.isSharedUser()) { 9976 origPermissions = new PermissionsState(permissionsState); 9977 permissionsState.reset(); 9978 } else { 9979 // We need to know only about runtime permission changes since the 9980 // calling code always writes the install permissions state but 9981 // the runtime ones are written only if changed. The only cases of 9982 // changed runtime permissions here are promotion of an install to 9983 // runtime and revocation of a runtime from a shared user. 9984 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9985 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9986 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9987 runtimePermissionsRevoked = true; 9988 } 9989 } 9990 } 9991 9992 permissionsState.setGlobalGids(mGlobalGids); 9993 9994 final int N = pkg.requestedPermissions.size(); 9995 for (int i=0; i<N; i++) { 9996 final String name = pkg.requestedPermissions.get(i); 9997 final BasePermission bp = mSettings.mPermissions.get(name); 9998 9999 if (DEBUG_INSTALL) { 10000 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 10001 } 10002 10003 if (bp == null || bp.packageSetting == null) { 10004 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10005 Slog.w(TAG, "Unknown permission " + name 10006 + " in package " + pkg.packageName); 10007 } 10008 continue; 10009 } 10010 10011 final String perm = bp.name; 10012 boolean allowedSig = false; 10013 int grant = GRANT_DENIED; 10014 10015 // Keep track of app op permissions. 10016 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 10017 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 10018 if (pkgs == null) { 10019 pkgs = new ArraySet<>(); 10020 mAppOpPermissionPackages.put(bp.name, pkgs); 10021 } 10022 pkgs.add(pkg.packageName); 10023 } 10024 10025 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10026 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10027 >= Build.VERSION_CODES.M; 10028 switch (level) { 10029 case PermissionInfo.PROTECTION_NORMAL: { 10030 // For all apps normal permissions are install time ones. 10031 grant = GRANT_INSTALL; 10032 } break; 10033 10034 case PermissionInfo.PROTECTION_DANGEROUS: { 10035 // If a permission review is required for legacy apps we represent 10036 // their permissions as always granted runtime ones since we need 10037 // to keep the review required permission flag per user while an 10038 // install permission's state is shared across all users. 10039 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 10040 // For legacy apps dangerous permissions are install time ones. 10041 grant = GRANT_INSTALL; 10042 } else if (origPermissions.hasInstallPermission(bp.name)) { 10043 // For legacy apps that became modern, install becomes runtime. 10044 grant = GRANT_UPGRADE; 10045 } else if (mPromoteSystemApps 10046 && isSystemApp(ps) 10047 && mExistingSystemPackages.contains(ps.name)) { 10048 // For legacy system apps, install becomes runtime. 10049 // We cannot check hasInstallPermission() for system apps since those 10050 // permissions were granted implicitly and not persisted pre-M. 10051 grant = GRANT_UPGRADE; 10052 } else { 10053 // For modern apps keep runtime permissions unchanged. 10054 grant = GRANT_RUNTIME; 10055 } 10056 } break; 10057 10058 case PermissionInfo.PROTECTION_SIGNATURE: { 10059 // For all apps signature permissions are install time ones. 10060 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10061 if (allowedSig) { 10062 grant = GRANT_INSTALL; 10063 } 10064 } break; 10065 } 10066 10067 if (DEBUG_INSTALL) { 10068 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10069 } 10070 10071 if (grant != GRANT_DENIED) { 10072 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10073 // If this is an existing, non-system package, then 10074 // we can't add any new permissions to it. 10075 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10076 // Except... if this is a permission that was added 10077 // to the platform (note: need to only do this when 10078 // updating the platform). 10079 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10080 grant = GRANT_DENIED; 10081 } 10082 } 10083 } 10084 10085 switch (grant) { 10086 case GRANT_INSTALL: { 10087 // Revoke this as runtime permission to handle the case of 10088 // a runtime permission being downgraded to an install one. 10089 // Also in permission review mode we keep dangerous permissions 10090 // for legacy apps 10091 for (int userId : UserManagerService.getInstance().getUserIds()) { 10092 if (origPermissions.getRuntimePermissionState( 10093 bp.name, userId) != null) { 10094 // Revoke the runtime permission and clear the flags. 10095 origPermissions.revokeRuntimePermission(bp, userId); 10096 origPermissions.updatePermissionFlags(bp, userId, 10097 PackageManager.MASK_PERMISSION_FLAGS, 0); 10098 // If we revoked a permission permission, we have to write. 10099 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10100 changedRuntimePermissionUserIds, userId); 10101 } 10102 } 10103 // Grant an install permission. 10104 if (permissionsState.grantInstallPermission(bp) != 10105 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10106 changedInstallPermission = true; 10107 } 10108 } break; 10109 10110 case GRANT_RUNTIME: { 10111 // Grant previously granted runtime permissions. 10112 for (int userId : UserManagerService.getInstance().getUserIds()) { 10113 PermissionState permissionState = origPermissions 10114 .getRuntimePermissionState(bp.name, userId); 10115 int flags = permissionState != null 10116 ? permissionState.getFlags() : 0; 10117 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10118 if (permissionsState.grantRuntimePermission(bp, userId) == 10119 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10120 // If we cannot put the permission as it was, we have to write. 10121 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10122 changedRuntimePermissionUserIds, userId); 10123 } 10124 // If the app supports runtime permissions no need for a review. 10125 if (Build.PERMISSIONS_REVIEW_REQUIRED 10126 && appSupportsRuntimePermissions 10127 && (flags & PackageManager 10128 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10129 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10130 // Since we changed the flags, we have to write. 10131 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10132 changedRuntimePermissionUserIds, userId); 10133 } 10134 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10135 && !appSupportsRuntimePermissions) { 10136 // For legacy apps that need a permission review, every new 10137 // runtime permission is granted but it is pending a review. 10138 // We also need to review only platform defined runtime 10139 // permissions as these are the only ones the platform knows 10140 // how to disable the API to simulate revocation as legacy 10141 // apps don't expect to run with revoked permissions. 10142 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10143 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10144 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10145 // We changed the flags, hence have to write. 10146 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10147 changedRuntimePermissionUserIds, userId); 10148 } 10149 } 10150 if (permissionsState.grantRuntimePermission(bp, userId) 10151 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10152 // We changed the permission, hence have to write. 10153 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10154 changedRuntimePermissionUserIds, userId); 10155 } 10156 } 10157 // Propagate the permission flags. 10158 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10159 } 10160 } break; 10161 10162 case GRANT_UPGRADE: { 10163 // Grant runtime permissions for a previously held install permission. 10164 PermissionState permissionState = origPermissions 10165 .getInstallPermissionState(bp.name); 10166 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10167 10168 if (origPermissions.revokeInstallPermission(bp) 10169 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10170 // We will be transferring the permission flags, so clear them. 10171 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10172 PackageManager.MASK_PERMISSION_FLAGS, 0); 10173 changedInstallPermission = true; 10174 } 10175 10176 // If the permission is not to be promoted to runtime we ignore it and 10177 // also its other flags as they are not applicable to install permissions. 10178 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10179 for (int userId : currentUserIds) { 10180 if (permissionsState.grantRuntimePermission(bp, userId) != 10181 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10182 // Transfer the permission flags. 10183 permissionsState.updatePermissionFlags(bp, userId, 10184 flags, flags); 10185 // If we granted the permission, we have to write. 10186 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10187 changedRuntimePermissionUserIds, userId); 10188 } 10189 } 10190 } 10191 } break; 10192 10193 default: { 10194 if (packageOfInterest == null 10195 || packageOfInterest.equals(pkg.packageName)) { 10196 Slog.w(TAG, "Not granting permission " + perm 10197 + " to package " + pkg.packageName 10198 + " because it was previously installed without"); 10199 } 10200 } break; 10201 } 10202 } else { 10203 if (permissionsState.revokeInstallPermission(bp) != 10204 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10205 // Also drop the permission flags. 10206 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10207 PackageManager.MASK_PERMISSION_FLAGS, 0); 10208 changedInstallPermission = true; 10209 Slog.i(TAG, "Un-granting permission " + perm 10210 + " from package " + pkg.packageName 10211 + " (protectionLevel=" + bp.protectionLevel 10212 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10213 + ")"); 10214 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10215 // Don't print warning for app op permissions, since it is fine for them 10216 // not to be granted, there is a UI for the user to decide. 10217 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10218 Slog.w(TAG, "Not granting permission " + perm 10219 + " to package " + pkg.packageName 10220 + " (protectionLevel=" + bp.protectionLevel 10221 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10222 + ")"); 10223 } 10224 } 10225 } 10226 } 10227 10228 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10229 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10230 // This is the first that we have heard about this package, so the 10231 // permissions we have now selected are fixed until explicitly 10232 // changed. 10233 ps.installPermissionsFixed = true; 10234 } 10235 10236 // Persist the runtime permissions state for users with changes. If permissions 10237 // were revoked because no app in the shared user declares them we have to 10238 // write synchronously to avoid losing runtime permissions state. 10239 for (int userId : changedRuntimePermissionUserIds) { 10240 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10241 } 10242 10243 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10244 } 10245 10246 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10247 boolean allowed = false; 10248 final int NP = PackageParser.NEW_PERMISSIONS.length; 10249 for (int ip=0; ip<NP; ip++) { 10250 final PackageParser.NewPermissionInfo npi 10251 = PackageParser.NEW_PERMISSIONS[ip]; 10252 if (npi.name.equals(perm) 10253 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10254 allowed = true; 10255 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10256 + pkg.packageName); 10257 break; 10258 } 10259 } 10260 return allowed; 10261 } 10262 10263 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10264 BasePermission bp, PermissionsState origPermissions) { 10265 boolean allowed; 10266 allowed = (compareSignatures( 10267 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10268 == PackageManager.SIGNATURE_MATCH) 10269 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10270 == PackageManager.SIGNATURE_MATCH); 10271 if (!allowed && (bp.protectionLevel 10272 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10273 if (isSystemApp(pkg)) { 10274 // For updated system applications, a system permission 10275 // is granted only if it had been defined by the original application. 10276 if (pkg.isUpdatedSystemApp()) { 10277 final PackageSetting sysPs = mSettings 10278 .getDisabledSystemPkgLPr(pkg.packageName); 10279 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10280 // If the original was granted this permission, we take 10281 // that grant decision as read and propagate it to the 10282 // update. 10283 if (sysPs.isPrivileged()) { 10284 allowed = true; 10285 } 10286 } else { 10287 // The system apk may have been updated with an older 10288 // version of the one on the data partition, but which 10289 // granted a new system permission that it didn't have 10290 // before. In this case we do want to allow the app to 10291 // now get the new permission if the ancestral apk is 10292 // privileged to get it. 10293 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10294 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10295 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10296 allowed = true; 10297 break; 10298 } 10299 } 10300 } 10301 // Also if a privileged parent package on the system image or any of 10302 // its children requested a privileged permission, the updated child 10303 // packages can also get the permission. 10304 if (pkg.parentPackage != null) { 10305 final PackageSetting disabledSysParentPs = mSettings 10306 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10307 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10308 && disabledSysParentPs.isPrivileged()) { 10309 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10310 allowed = true; 10311 } else if (disabledSysParentPs.pkg.childPackages != null) { 10312 final int count = disabledSysParentPs.pkg.childPackages.size(); 10313 for (int i = 0; i < count; i++) { 10314 PackageParser.Package disabledSysChildPkg = 10315 disabledSysParentPs.pkg.childPackages.get(i); 10316 if (isPackageRequestingPermission(disabledSysChildPkg, 10317 perm)) { 10318 allowed = true; 10319 break; 10320 } 10321 } 10322 } 10323 } 10324 } 10325 } 10326 } else { 10327 allowed = isPrivilegedApp(pkg); 10328 } 10329 } 10330 } 10331 if (!allowed) { 10332 if (!allowed && (bp.protectionLevel 10333 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10334 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10335 // If this was a previously normal/dangerous permission that got moved 10336 // to a system permission as part of the runtime permission redesign, then 10337 // we still want to blindly grant it to old apps. 10338 allowed = true; 10339 } 10340 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10341 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10342 // If this permission is to be granted to the system installer and 10343 // this app is an installer, then it gets the permission. 10344 allowed = true; 10345 } 10346 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10347 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10348 // If this permission is to be granted to the system verifier and 10349 // this app is a verifier, then it gets the permission. 10350 allowed = true; 10351 } 10352 if (!allowed && (bp.protectionLevel 10353 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10354 && isSystemApp(pkg)) { 10355 // Any pre-installed system app is allowed to get this permission. 10356 allowed = true; 10357 } 10358 if (!allowed && (bp.protectionLevel 10359 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10360 // For development permissions, a development permission 10361 // is granted only if it was already granted. 10362 allowed = origPermissions.hasInstallPermission(perm); 10363 } 10364 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10365 && pkg.packageName.equals(mSetupWizardPackage)) { 10366 // If this permission is to be granted to the system setup wizard and 10367 // this app is a setup wizard, then it gets the permission. 10368 allowed = true; 10369 } 10370 } 10371 return allowed; 10372 } 10373 10374 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10375 final int permCount = pkg.requestedPermissions.size(); 10376 for (int j = 0; j < permCount; j++) { 10377 String requestedPermission = pkg.requestedPermissions.get(j); 10378 if (permission.equals(requestedPermission)) { 10379 return true; 10380 } 10381 } 10382 return false; 10383 } 10384 10385 final class ActivityIntentResolver 10386 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10387 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10388 boolean defaultOnly, int userId) { 10389 if (!sUserManager.exists(userId)) return null; 10390 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10391 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10392 } 10393 10394 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10395 int userId) { 10396 if (!sUserManager.exists(userId)) return null; 10397 mFlags = flags; 10398 return super.queryIntent(intent, resolvedType, 10399 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10400 } 10401 10402 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10403 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10404 if (!sUserManager.exists(userId)) return null; 10405 if (packageActivities == null) { 10406 return null; 10407 } 10408 mFlags = flags; 10409 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10410 final int N = packageActivities.size(); 10411 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10412 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10413 10414 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10415 for (int i = 0; i < N; ++i) { 10416 intentFilters = packageActivities.get(i).intents; 10417 if (intentFilters != null && intentFilters.size() > 0) { 10418 PackageParser.ActivityIntentInfo[] array = 10419 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10420 intentFilters.toArray(array); 10421 listCut.add(array); 10422 } 10423 } 10424 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10425 } 10426 10427 /** 10428 * Finds a privileged activity that matches the specified activity names. 10429 */ 10430 private PackageParser.Activity findMatchingActivity( 10431 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10432 for (PackageParser.Activity sysActivity : activityList) { 10433 if (sysActivity.info.name.equals(activityInfo.name)) { 10434 return sysActivity; 10435 } 10436 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10437 return sysActivity; 10438 } 10439 if (sysActivity.info.targetActivity != null) { 10440 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10441 return sysActivity; 10442 } 10443 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10444 return sysActivity; 10445 } 10446 } 10447 } 10448 return null; 10449 } 10450 10451 public class IterGenerator<E> { 10452 public Iterator<E> generate(ActivityIntentInfo info) { 10453 return null; 10454 } 10455 } 10456 10457 public class ActionIterGenerator extends IterGenerator<String> { 10458 @Override 10459 public Iterator<String> generate(ActivityIntentInfo info) { 10460 return info.actionsIterator(); 10461 } 10462 } 10463 10464 public class CategoriesIterGenerator extends IterGenerator<String> { 10465 @Override 10466 public Iterator<String> generate(ActivityIntentInfo info) { 10467 return info.categoriesIterator(); 10468 } 10469 } 10470 10471 public class SchemesIterGenerator extends IterGenerator<String> { 10472 @Override 10473 public Iterator<String> generate(ActivityIntentInfo info) { 10474 return info.schemesIterator(); 10475 } 10476 } 10477 10478 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10479 @Override 10480 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10481 return info.authoritiesIterator(); 10482 } 10483 } 10484 10485 /** 10486 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10487 * MODIFIED. Do not pass in a list that should not be changed. 10488 */ 10489 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10490 IterGenerator<T> generator, Iterator<T> searchIterator) { 10491 // loop through the set of actions; every one must be found in the intent filter 10492 while (searchIterator.hasNext()) { 10493 // we must have at least one filter in the list to consider a match 10494 if (intentList.size() == 0) { 10495 break; 10496 } 10497 10498 final T searchAction = searchIterator.next(); 10499 10500 // loop through the set of intent filters 10501 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10502 while (intentIter.hasNext()) { 10503 final ActivityIntentInfo intentInfo = intentIter.next(); 10504 boolean selectionFound = false; 10505 10506 // loop through the intent filter's selection criteria; at least one 10507 // of them must match the searched criteria 10508 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10509 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10510 final T intentSelection = intentSelectionIter.next(); 10511 if (intentSelection != null && intentSelection.equals(searchAction)) { 10512 selectionFound = true; 10513 break; 10514 } 10515 } 10516 10517 // the selection criteria wasn't found in this filter's set; this filter 10518 // is not a potential match 10519 if (!selectionFound) { 10520 intentIter.remove(); 10521 } 10522 } 10523 } 10524 } 10525 10526 private boolean isProtectedAction(ActivityIntentInfo filter) { 10527 final Iterator<String> actionsIter = filter.actionsIterator(); 10528 while (actionsIter != null && actionsIter.hasNext()) { 10529 final String filterAction = actionsIter.next(); 10530 if (PROTECTED_ACTIONS.contains(filterAction)) { 10531 return true; 10532 } 10533 } 10534 return false; 10535 } 10536 10537 /** 10538 * Adjusts the priority of the given intent filter according to policy. 10539 * <p> 10540 * <ul> 10541 * <li>The priority for non privileged applications is capped to '0'</li> 10542 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10543 * <li>The priority for unbundled updates to privileged applications is capped to the 10544 * priority defined on the system partition</li> 10545 * </ul> 10546 * <p> 10547 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10548 * allowed to obtain any priority on any action. 10549 */ 10550 private void adjustPriority( 10551 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10552 // nothing to do; priority is fine as-is 10553 if (intent.getPriority() <= 0) { 10554 return; 10555 } 10556 10557 final ActivityInfo activityInfo = intent.activity.info; 10558 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10559 10560 final boolean privilegedApp = 10561 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10562 if (!privilegedApp) { 10563 // non-privileged applications can never define a priority >0 10564 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10565 + " package: " + applicationInfo.packageName 10566 + " activity: " + intent.activity.className 10567 + " origPrio: " + intent.getPriority()); 10568 intent.setPriority(0); 10569 return; 10570 } 10571 10572 if (systemActivities == null) { 10573 // the system package is not disabled; we're parsing the system partition 10574 if (isProtectedAction(intent)) { 10575 if (mDeferProtectedFilters) { 10576 // We can't deal with these just yet. No component should ever obtain a 10577 // >0 priority for a protected actions, with ONE exception -- the setup 10578 // wizard. The setup wizard, however, cannot be known until we're able to 10579 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10580 // until all intent filters have been processed. Chicken, meet egg. 10581 // Let the filter temporarily have a high priority and rectify the 10582 // priorities after all system packages have been scanned. 10583 mProtectedFilters.add(intent); 10584 if (DEBUG_FILTERS) { 10585 Slog.i(TAG, "Protected action; save for later;" 10586 + " package: " + applicationInfo.packageName 10587 + " activity: " + intent.activity.className 10588 + " origPrio: " + intent.getPriority()); 10589 } 10590 return; 10591 } else { 10592 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10593 Slog.i(TAG, "No setup wizard;" 10594 + " All protected intents capped to priority 0"); 10595 } 10596 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10597 if (DEBUG_FILTERS) { 10598 Slog.i(TAG, "Found setup wizard;" 10599 + " allow priority " + intent.getPriority() + ";" 10600 + " package: " + intent.activity.info.packageName 10601 + " activity: " + intent.activity.className 10602 + " priority: " + intent.getPriority()); 10603 } 10604 // setup wizard gets whatever it wants 10605 return; 10606 } 10607 Slog.w(TAG, "Protected action; cap priority to 0;" 10608 + " package: " + intent.activity.info.packageName 10609 + " activity: " + intent.activity.className 10610 + " origPrio: " + intent.getPriority()); 10611 intent.setPriority(0); 10612 return; 10613 } 10614 } 10615 // privileged apps on the system image get whatever priority they request 10616 return; 10617 } 10618 10619 // privileged app unbundled update ... try to find the same activity 10620 final PackageParser.Activity foundActivity = 10621 findMatchingActivity(systemActivities, activityInfo); 10622 if (foundActivity == null) { 10623 // this is a new activity; it cannot obtain >0 priority 10624 if (DEBUG_FILTERS) { 10625 Slog.i(TAG, "New activity; cap priority to 0;" 10626 + " package: " + applicationInfo.packageName 10627 + " activity: " + intent.activity.className 10628 + " origPrio: " + intent.getPriority()); 10629 } 10630 intent.setPriority(0); 10631 return; 10632 } 10633 10634 // found activity, now check for filter equivalence 10635 10636 // a shallow copy is enough; we modify the list, not its contents 10637 final List<ActivityIntentInfo> intentListCopy = 10638 new ArrayList<>(foundActivity.intents); 10639 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10640 10641 // find matching action subsets 10642 final Iterator<String> actionsIterator = intent.actionsIterator(); 10643 if (actionsIterator != null) { 10644 getIntentListSubset( 10645 intentListCopy, new ActionIterGenerator(), actionsIterator); 10646 if (intentListCopy.size() == 0) { 10647 // no more intents to match; we're not equivalent 10648 if (DEBUG_FILTERS) { 10649 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10650 + " package: " + applicationInfo.packageName 10651 + " activity: " + intent.activity.className 10652 + " origPrio: " + intent.getPriority()); 10653 } 10654 intent.setPriority(0); 10655 return; 10656 } 10657 } 10658 10659 // find matching category subsets 10660 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10661 if (categoriesIterator != null) { 10662 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10663 categoriesIterator); 10664 if (intentListCopy.size() == 0) { 10665 // no more intents to match; we're not equivalent 10666 if (DEBUG_FILTERS) { 10667 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10668 + " package: " + applicationInfo.packageName 10669 + " activity: " + intent.activity.className 10670 + " origPrio: " + intent.getPriority()); 10671 } 10672 intent.setPriority(0); 10673 return; 10674 } 10675 } 10676 10677 // find matching schemes subsets 10678 final Iterator<String> schemesIterator = intent.schemesIterator(); 10679 if (schemesIterator != null) { 10680 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10681 schemesIterator); 10682 if (intentListCopy.size() == 0) { 10683 // no more intents to match; we're not equivalent 10684 if (DEBUG_FILTERS) { 10685 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10686 + " package: " + applicationInfo.packageName 10687 + " activity: " + intent.activity.className 10688 + " origPrio: " + intent.getPriority()); 10689 } 10690 intent.setPriority(0); 10691 return; 10692 } 10693 } 10694 10695 // find matching authorities subsets 10696 final Iterator<IntentFilter.AuthorityEntry> 10697 authoritiesIterator = intent.authoritiesIterator(); 10698 if (authoritiesIterator != null) { 10699 getIntentListSubset(intentListCopy, 10700 new AuthoritiesIterGenerator(), 10701 authoritiesIterator); 10702 if (intentListCopy.size() == 0) { 10703 // no more intents to match; we're not equivalent 10704 if (DEBUG_FILTERS) { 10705 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10706 + " package: " + applicationInfo.packageName 10707 + " activity: " + intent.activity.className 10708 + " origPrio: " + intent.getPriority()); 10709 } 10710 intent.setPriority(0); 10711 return; 10712 } 10713 } 10714 10715 // we found matching filter(s); app gets the max priority of all intents 10716 int cappedPriority = 0; 10717 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10718 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10719 } 10720 if (intent.getPriority() > cappedPriority) { 10721 if (DEBUG_FILTERS) { 10722 Slog.i(TAG, "Found matching filter(s);" 10723 + " cap priority to " + cappedPriority + ";" 10724 + " package: " + applicationInfo.packageName 10725 + " activity: " + intent.activity.className 10726 + " origPrio: " + intent.getPriority()); 10727 } 10728 intent.setPriority(cappedPriority); 10729 return; 10730 } 10731 // all this for nothing; the requested priority was <= what was on the system 10732 } 10733 10734 public final void addActivity(PackageParser.Activity a, String type) { 10735 mActivities.put(a.getComponentName(), a); 10736 if (DEBUG_SHOW_INFO) 10737 Log.v( 10738 TAG, " " + type + " " + 10739 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10740 if (DEBUG_SHOW_INFO) 10741 Log.v(TAG, " Class=" + a.info.name); 10742 final int NI = a.intents.size(); 10743 for (int j=0; j<NI; j++) { 10744 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10745 if ("activity".equals(type)) { 10746 final PackageSetting ps = 10747 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10748 final List<PackageParser.Activity> systemActivities = 10749 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10750 adjustPriority(systemActivities, intent); 10751 } 10752 if (DEBUG_SHOW_INFO) { 10753 Log.v(TAG, " IntentFilter:"); 10754 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10755 } 10756 if (!intent.debugCheck()) { 10757 Log.w(TAG, "==> For Activity " + a.info.name); 10758 } 10759 addFilter(intent); 10760 } 10761 } 10762 10763 public final void removeActivity(PackageParser.Activity a, String type) { 10764 mActivities.remove(a.getComponentName()); 10765 if (DEBUG_SHOW_INFO) { 10766 Log.v(TAG, " " + type + " " 10767 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10768 : a.info.name) + ":"); 10769 Log.v(TAG, " Class=" + a.info.name); 10770 } 10771 final int NI = a.intents.size(); 10772 for (int j=0; j<NI; j++) { 10773 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10774 if (DEBUG_SHOW_INFO) { 10775 Log.v(TAG, " IntentFilter:"); 10776 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10777 } 10778 removeFilter(intent); 10779 } 10780 } 10781 10782 @Override 10783 protected boolean allowFilterResult( 10784 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10785 ActivityInfo filterAi = filter.activity.info; 10786 for (int i=dest.size()-1; i>=0; i--) { 10787 ActivityInfo destAi = dest.get(i).activityInfo; 10788 if (destAi.name == filterAi.name 10789 && destAi.packageName == filterAi.packageName) { 10790 return false; 10791 } 10792 } 10793 return true; 10794 } 10795 10796 @Override 10797 protected ActivityIntentInfo[] newArray(int size) { 10798 return new ActivityIntentInfo[size]; 10799 } 10800 10801 @Override 10802 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10803 if (!sUserManager.exists(userId)) return true; 10804 PackageParser.Package p = filter.activity.owner; 10805 if (p != null) { 10806 PackageSetting ps = (PackageSetting)p.mExtras; 10807 if (ps != null) { 10808 // System apps are never considered stopped for purposes of 10809 // filtering, because there may be no way for the user to 10810 // actually re-launch them. 10811 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10812 && ps.getStopped(userId); 10813 } 10814 } 10815 return false; 10816 } 10817 10818 @Override 10819 protected boolean isPackageForFilter(String packageName, 10820 PackageParser.ActivityIntentInfo info) { 10821 return packageName.equals(info.activity.owner.packageName); 10822 } 10823 10824 @Override 10825 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10826 int match, int userId) { 10827 if (!sUserManager.exists(userId)) return null; 10828 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10829 return null; 10830 } 10831 final PackageParser.Activity activity = info.activity; 10832 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10833 if (ps == null) { 10834 return null; 10835 } 10836 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10837 ps.readUserState(userId), userId); 10838 if (ai == null) { 10839 return null; 10840 } 10841 final ResolveInfo res = new ResolveInfo(); 10842 res.activityInfo = ai; 10843 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10844 res.filter = info; 10845 } 10846 if (info != null) { 10847 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10848 } 10849 res.priority = info.getPriority(); 10850 res.preferredOrder = activity.owner.mPreferredOrder; 10851 //System.out.println("Result: " + res.activityInfo.className + 10852 // " = " + res.priority); 10853 res.match = match; 10854 res.isDefault = info.hasDefault; 10855 res.labelRes = info.labelRes; 10856 res.nonLocalizedLabel = info.nonLocalizedLabel; 10857 if (userNeedsBadging(userId)) { 10858 res.noResourceId = true; 10859 } else { 10860 res.icon = info.icon; 10861 } 10862 res.iconResourceId = info.icon; 10863 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10864 return res; 10865 } 10866 10867 @Override 10868 protected void sortResults(List<ResolveInfo> results) { 10869 Collections.sort(results, mResolvePrioritySorter); 10870 } 10871 10872 @Override 10873 protected void dumpFilter(PrintWriter out, String prefix, 10874 PackageParser.ActivityIntentInfo filter) { 10875 out.print(prefix); out.print( 10876 Integer.toHexString(System.identityHashCode(filter.activity))); 10877 out.print(' '); 10878 filter.activity.printComponentShortName(out); 10879 out.print(" filter "); 10880 out.println(Integer.toHexString(System.identityHashCode(filter))); 10881 } 10882 10883 @Override 10884 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10885 return filter.activity; 10886 } 10887 10888 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10889 PackageParser.Activity activity = (PackageParser.Activity)label; 10890 out.print(prefix); out.print( 10891 Integer.toHexString(System.identityHashCode(activity))); 10892 out.print(' '); 10893 activity.printComponentShortName(out); 10894 if (count > 1) { 10895 out.print(" ("); out.print(count); out.print(" filters)"); 10896 } 10897 out.println(); 10898 } 10899 10900 // Keys are String (activity class name), values are Activity. 10901 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10902 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10903 private int mFlags; 10904 } 10905 10906 private final class ServiceIntentResolver 10907 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10908 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10909 boolean defaultOnly, int userId) { 10910 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10911 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10912 } 10913 10914 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10915 int userId) { 10916 if (!sUserManager.exists(userId)) return null; 10917 mFlags = flags; 10918 return super.queryIntent(intent, resolvedType, 10919 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10920 } 10921 10922 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10923 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10924 if (!sUserManager.exists(userId)) return null; 10925 if (packageServices == null) { 10926 return null; 10927 } 10928 mFlags = flags; 10929 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10930 final int N = packageServices.size(); 10931 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10932 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10933 10934 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10935 for (int i = 0; i < N; ++i) { 10936 intentFilters = packageServices.get(i).intents; 10937 if (intentFilters != null && intentFilters.size() > 0) { 10938 PackageParser.ServiceIntentInfo[] array = 10939 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10940 intentFilters.toArray(array); 10941 listCut.add(array); 10942 } 10943 } 10944 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10945 } 10946 10947 public final void addService(PackageParser.Service s) { 10948 mServices.put(s.getComponentName(), s); 10949 if (DEBUG_SHOW_INFO) { 10950 Log.v(TAG, " " 10951 + (s.info.nonLocalizedLabel != null 10952 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10953 Log.v(TAG, " Class=" + s.info.name); 10954 } 10955 final int NI = s.intents.size(); 10956 int j; 10957 for (j=0; j<NI; j++) { 10958 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10959 if (DEBUG_SHOW_INFO) { 10960 Log.v(TAG, " IntentFilter:"); 10961 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10962 } 10963 if (!intent.debugCheck()) { 10964 Log.w(TAG, "==> For Service " + s.info.name); 10965 } 10966 addFilter(intent); 10967 } 10968 } 10969 10970 public final void removeService(PackageParser.Service s) { 10971 mServices.remove(s.getComponentName()); 10972 if (DEBUG_SHOW_INFO) { 10973 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10974 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10975 Log.v(TAG, " Class=" + s.info.name); 10976 } 10977 final int NI = s.intents.size(); 10978 int j; 10979 for (j=0; j<NI; j++) { 10980 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10981 if (DEBUG_SHOW_INFO) { 10982 Log.v(TAG, " IntentFilter:"); 10983 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10984 } 10985 removeFilter(intent); 10986 } 10987 } 10988 10989 @Override 10990 protected boolean allowFilterResult( 10991 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10992 ServiceInfo filterSi = filter.service.info; 10993 for (int i=dest.size()-1; i>=0; i--) { 10994 ServiceInfo destAi = dest.get(i).serviceInfo; 10995 if (destAi.name == filterSi.name 10996 && destAi.packageName == filterSi.packageName) { 10997 return false; 10998 } 10999 } 11000 return true; 11001 } 11002 11003 @Override 11004 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 11005 return new PackageParser.ServiceIntentInfo[size]; 11006 } 11007 11008 @Override 11009 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 11010 if (!sUserManager.exists(userId)) return true; 11011 PackageParser.Package p = filter.service.owner; 11012 if (p != null) { 11013 PackageSetting ps = (PackageSetting)p.mExtras; 11014 if (ps != null) { 11015 // System apps are never considered stopped for purposes of 11016 // filtering, because there may be no way for the user to 11017 // actually re-launch them. 11018 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11019 && ps.getStopped(userId); 11020 } 11021 } 11022 return false; 11023 } 11024 11025 @Override 11026 protected boolean isPackageForFilter(String packageName, 11027 PackageParser.ServiceIntentInfo info) { 11028 return packageName.equals(info.service.owner.packageName); 11029 } 11030 11031 @Override 11032 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11033 int match, int userId) { 11034 if (!sUserManager.exists(userId)) return null; 11035 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11036 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11037 return null; 11038 } 11039 final PackageParser.Service service = info.service; 11040 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11041 if (ps == null) { 11042 return null; 11043 } 11044 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11045 ps.readUserState(userId), userId); 11046 if (si == null) { 11047 return null; 11048 } 11049 final ResolveInfo res = new ResolveInfo(); 11050 res.serviceInfo = si; 11051 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11052 res.filter = filter; 11053 } 11054 res.priority = info.getPriority(); 11055 res.preferredOrder = service.owner.mPreferredOrder; 11056 res.match = match; 11057 res.isDefault = info.hasDefault; 11058 res.labelRes = info.labelRes; 11059 res.nonLocalizedLabel = info.nonLocalizedLabel; 11060 res.icon = info.icon; 11061 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11062 return res; 11063 } 11064 11065 @Override 11066 protected void sortResults(List<ResolveInfo> results) { 11067 Collections.sort(results, mResolvePrioritySorter); 11068 } 11069 11070 @Override 11071 protected void dumpFilter(PrintWriter out, String prefix, 11072 PackageParser.ServiceIntentInfo filter) { 11073 out.print(prefix); out.print( 11074 Integer.toHexString(System.identityHashCode(filter.service))); 11075 out.print(' '); 11076 filter.service.printComponentShortName(out); 11077 out.print(" filter "); 11078 out.println(Integer.toHexString(System.identityHashCode(filter))); 11079 } 11080 11081 @Override 11082 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11083 return filter.service; 11084 } 11085 11086 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11087 PackageParser.Service service = (PackageParser.Service)label; 11088 out.print(prefix); out.print( 11089 Integer.toHexString(System.identityHashCode(service))); 11090 out.print(' '); 11091 service.printComponentShortName(out); 11092 if (count > 1) { 11093 out.print(" ("); out.print(count); out.print(" filters)"); 11094 } 11095 out.println(); 11096 } 11097 11098// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11099// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11100// final List<ResolveInfo> retList = Lists.newArrayList(); 11101// while (i.hasNext()) { 11102// final ResolveInfo resolveInfo = (ResolveInfo) i; 11103// if (isEnabledLP(resolveInfo.serviceInfo)) { 11104// retList.add(resolveInfo); 11105// } 11106// } 11107// return retList; 11108// } 11109 11110 // Keys are String (activity class name), values are Activity. 11111 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11112 = new ArrayMap<ComponentName, PackageParser.Service>(); 11113 private int mFlags; 11114 }; 11115 11116 private final class ProviderIntentResolver 11117 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11118 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11119 boolean defaultOnly, int userId) { 11120 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11121 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11122 } 11123 11124 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11125 int userId) { 11126 if (!sUserManager.exists(userId)) 11127 return null; 11128 mFlags = flags; 11129 return super.queryIntent(intent, resolvedType, 11130 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11131 } 11132 11133 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11134 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11135 if (!sUserManager.exists(userId)) 11136 return null; 11137 if (packageProviders == null) { 11138 return null; 11139 } 11140 mFlags = flags; 11141 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11142 final int N = packageProviders.size(); 11143 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11144 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11145 11146 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11147 for (int i = 0; i < N; ++i) { 11148 intentFilters = packageProviders.get(i).intents; 11149 if (intentFilters != null && intentFilters.size() > 0) { 11150 PackageParser.ProviderIntentInfo[] array = 11151 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11152 intentFilters.toArray(array); 11153 listCut.add(array); 11154 } 11155 } 11156 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11157 } 11158 11159 public final void addProvider(PackageParser.Provider p) { 11160 if (mProviders.containsKey(p.getComponentName())) { 11161 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11162 return; 11163 } 11164 11165 mProviders.put(p.getComponentName(), p); 11166 if (DEBUG_SHOW_INFO) { 11167 Log.v(TAG, " " 11168 + (p.info.nonLocalizedLabel != null 11169 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11170 Log.v(TAG, " Class=" + p.info.name); 11171 } 11172 final int NI = p.intents.size(); 11173 int j; 11174 for (j = 0; j < NI; j++) { 11175 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11176 if (DEBUG_SHOW_INFO) { 11177 Log.v(TAG, " IntentFilter:"); 11178 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11179 } 11180 if (!intent.debugCheck()) { 11181 Log.w(TAG, "==> For Provider " + p.info.name); 11182 } 11183 addFilter(intent); 11184 } 11185 } 11186 11187 public final void removeProvider(PackageParser.Provider p) { 11188 mProviders.remove(p.getComponentName()); 11189 if (DEBUG_SHOW_INFO) { 11190 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11191 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11192 Log.v(TAG, " Class=" + p.info.name); 11193 } 11194 final int NI = p.intents.size(); 11195 int j; 11196 for (j = 0; j < NI; j++) { 11197 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11198 if (DEBUG_SHOW_INFO) { 11199 Log.v(TAG, " IntentFilter:"); 11200 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11201 } 11202 removeFilter(intent); 11203 } 11204 } 11205 11206 @Override 11207 protected boolean allowFilterResult( 11208 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11209 ProviderInfo filterPi = filter.provider.info; 11210 for (int i = dest.size() - 1; i >= 0; i--) { 11211 ProviderInfo destPi = dest.get(i).providerInfo; 11212 if (destPi.name == filterPi.name 11213 && destPi.packageName == filterPi.packageName) { 11214 return false; 11215 } 11216 } 11217 return true; 11218 } 11219 11220 @Override 11221 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11222 return new PackageParser.ProviderIntentInfo[size]; 11223 } 11224 11225 @Override 11226 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11227 if (!sUserManager.exists(userId)) 11228 return true; 11229 PackageParser.Package p = filter.provider.owner; 11230 if (p != null) { 11231 PackageSetting ps = (PackageSetting) p.mExtras; 11232 if (ps != null) { 11233 // System apps are never considered stopped for purposes of 11234 // filtering, because there may be no way for the user to 11235 // actually re-launch them. 11236 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11237 && ps.getStopped(userId); 11238 } 11239 } 11240 return false; 11241 } 11242 11243 @Override 11244 protected boolean isPackageForFilter(String packageName, 11245 PackageParser.ProviderIntentInfo info) { 11246 return packageName.equals(info.provider.owner.packageName); 11247 } 11248 11249 @Override 11250 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11251 int match, int userId) { 11252 if (!sUserManager.exists(userId)) 11253 return null; 11254 final PackageParser.ProviderIntentInfo info = filter; 11255 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11256 return null; 11257 } 11258 final PackageParser.Provider provider = info.provider; 11259 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11260 if (ps == null) { 11261 return null; 11262 } 11263 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11264 ps.readUserState(userId), userId); 11265 if (pi == null) { 11266 return null; 11267 } 11268 final ResolveInfo res = new ResolveInfo(); 11269 res.providerInfo = pi; 11270 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11271 res.filter = filter; 11272 } 11273 res.priority = info.getPriority(); 11274 res.preferredOrder = provider.owner.mPreferredOrder; 11275 res.match = match; 11276 res.isDefault = info.hasDefault; 11277 res.labelRes = info.labelRes; 11278 res.nonLocalizedLabel = info.nonLocalizedLabel; 11279 res.icon = info.icon; 11280 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11281 return res; 11282 } 11283 11284 @Override 11285 protected void sortResults(List<ResolveInfo> results) { 11286 Collections.sort(results, mResolvePrioritySorter); 11287 } 11288 11289 @Override 11290 protected void dumpFilter(PrintWriter out, String prefix, 11291 PackageParser.ProviderIntentInfo filter) { 11292 out.print(prefix); 11293 out.print( 11294 Integer.toHexString(System.identityHashCode(filter.provider))); 11295 out.print(' '); 11296 filter.provider.printComponentShortName(out); 11297 out.print(" filter "); 11298 out.println(Integer.toHexString(System.identityHashCode(filter))); 11299 } 11300 11301 @Override 11302 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11303 return filter.provider; 11304 } 11305 11306 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11307 PackageParser.Provider provider = (PackageParser.Provider)label; 11308 out.print(prefix); out.print( 11309 Integer.toHexString(System.identityHashCode(provider))); 11310 out.print(' '); 11311 provider.printComponentShortName(out); 11312 if (count > 1) { 11313 out.print(" ("); out.print(count); out.print(" filters)"); 11314 } 11315 out.println(); 11316 } 11317 11318 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11319 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11320 private int mFlags; 11321 } 11322 11323 private static final class EphemeralIntentResolver 11324 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11325 @Override 11326 protected EphemeralResolveIntentInfo[] newArray(int size) { 11327 return new EphemeralResolveIntentInfo[size]; 11328 } 11329 11330 @Override 11331 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11332 return true; 11333 } 11334 11335 @Override 11336 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11337 int userId) { 11338 if (!sUserManager.exists(userId)) { 11339 return null; 11340 } 11341 return info.getEphemeralResolveInfo(); 11342 } 11343 } 11344 11345 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11346 new Comparator<ResolveInfo>() { 11347 public int compare(ResolveInfo r1, ResolveInfo r2) { 11348 int v1 = r1.priority; 11349 int v2 = r2.priority; 11350 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11351 if (v1 != v2) { 11352 return (v1 > v2) ? -1 : 1; 11353 } 11354 v1 = r1.preferredOrder; 11355 v2 = r2.preferredOrder; 11356 if (v1 != v2) { 11357 return (v1 > v2) ? -1 : 1; 11358 } 11359 if (r1.isDefault != r2.isDefault) { 11360 return r1.isDefault ? -1 : 1; 11361 } 11362 v1 = r1.match; 11363 v2 = r2.match; 11364 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11365 if (v1 != v2) { 11366 return (v1 > v2) ? -1 : 1; 11367 } 11368 if (r1.system != r2.system) { 11369 return r1.system ? -1 : 1; 11370 } 11371 if (r1.activityInfo != null) { 11372 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11373 } 11374 if (r1.serviceInfo != null) { 11375 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11376 } 11377 if (r1.providerInfo != null) { 11378 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11379 } 11380 return 0; 11381 } 11382 }; 11383 11384 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11385 new Comparator<ProviderInfo>() { 11386 public int compare(ProviderInfo p1, ProviderInfo p2) { 11387 final int v1 = p1.initOrder; 11388 final int v2 = p2.initOrder; 11389 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11390 } 11391 }; 11392 11393 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11394 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11395 final int[] userIds) { 11396 mHandler.post(new Runnable() { 11397 @Override 11398 public void run() { 11399 try { 11400 final IActivityManager am = ActivityManagerNative.getDefault(); 11401 if (am == null) return; 11402 final int[] resolvedUserIds; 11403 if (userIds == null) { 11404 resolvedUserIds = am.getRunningUserIds(); 11405 } else { 11406 resolvedUserIds = userIds; 11407 } 11408 for (int id : resolvedUserIds) { 11409 final Intent intent = new Intent(action, 11410 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11411 if (extras != null) { 11412 intent.putExtras(extras); 11413 } 11414 if (targetPkg != null) { 11415 intent.setPackage(targetPkg); 11416 } 11417 // Modify the UID when posting to other users 11418 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11419 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11420 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11421 intent.putExtra(Intent.EXTRA_UID, uid); 11422 } 11423 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11424 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11425 if (DEBUG_BROADCASTS) { 11426 RuntimeException here = new RuntimeException("here"); 11427 here.fillInStackTrace(); 11428 Slog.d(TAG, "Sending to user " + id + ": " 11429 + intent.toShortString(false, true, false, false) 11430 + " " + intent.getExtras(), here); 11431 } 11432 am.broadcastIntent(null, intent, null, finishedReceiver, 11433 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11434 null, finishedReceiver != null, false, id); 11435 } 11436 } catch (RemoteException ex) { 11437 } 11438 } 11439 }); 11440 } 11441 11442 /** 11443 * Check if the external storage media is available. This is true if there 11444 * is a mounted external storage medium or if the external storage is 11445 * emulated. 11446 */ 11447 private boolean isExternalMediaAvailable() { 11448 return mMediaMounted || Environment.isExternalStorageEmulated(); 11449 } 11450 11451 @Override 11452 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11453 // writer 11454 synchronized (mPackages) { 11455 if (!isExternalMediaAvailable()) { 11456 // If the external storage is no longer mounted at this point, 11457 // the caller may not have been able to delete all of this 11458 // packages files and can not delete any more. Bail. 11459 return null; 11460 } 11461 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11462 if (lastPackage != null) { 11463 pkgs.remove(lastPackage); 11464 } 11465 if (pkgs.size() > 0) { 11466 return pkgs.get(0); 11467 } 11468 } 11469 return null; 11470 } 11471 11472 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11473 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11474 userId, andCode ? 1 : 0, packageName); 11475 if (mSystemReady) { 11476 msg.sendToTarget(); 11477 } else { 11478 if (mPostSystemReadyMessages == null) { 11479 mPostSystemReadyMessages = new ArrayList<>(); 11480 } 11481 mPostSystemReadyMessages.add(msg); 11482 } 11483 } 11484 11485 void startCleaningPackages() { 11486 // reader 11487 if (!isExternalMediaAvailable()) { 11488 return; 11489 } 11490 synchronized (mPackages) { 11491 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11492 return; 11493 } 11494 } 11495 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11496 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11497 IActivityManager am = ActivityManagerNative.getDefault(); 11498 if (am != null) { 11499 try { 11500 am.startService(null, intent, null, mContext.getOpPackageName(), 11501 UserHandle.USER_SYSTEM); 11502 } catch (RemoteException e) { 11503 } 11504 } 11505 } 11506 11507 @Override 11508 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11509 int installFlags, String installerPackageName, int userId) { 11510 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11511 11512 final int callingUid = Binder.getCallingUid(); 11513 enforceCrossUserPermission(callingUid, userId, 11514 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11515 11516 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11517 try { 11518 if (observer != null) { 11519 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11520 } 11521 } catch (RemoteException re) { 11522 } 11523 return; 11524 } 11525 11526 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11527 installFlags |= PackageManager.INSTALL_FROM_ADB; 11528 11529 } else { 11530 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11531 // about installerPackageName. 11532 11533 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11534 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11535 } 11536 11537 UserHandle user; 11538 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11539 user = UserHandle.ALL; 11540 } else { 11541 user = new UserHandle(userId); 11542 } 11543 11544 // Only system components can circumvent runtime permissions when installing. 11545 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11546 && mContext.checkCallingOrSelfPermission(Manifest.permission 11547 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11548 throw new SecurityException("You need the " 11549 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11550 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11551 } 11552 11553 final File originFile = new File(originPath); 11554 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11555 11556 final Message msg = mHandler.obtainMessage(INIT_COPY); 11557 final VerificationInfo verificationInfo = new VerificationInfo( 11558 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11559 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11560 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11561 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11562 null /*certificates*/); 11563 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11564 msg.obj = params; 11565 11566 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11567 System.identityHashCode(msg.obj)); 11568 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11569 System.identityHashCode(msg.obj)); 11570 11571 mHandler.sendMessage(msg); 11572 } 11573 11574 void installStage(String packageName, File stagedDir, String stagedCid, 11575 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11576 String installerPackageName, int installerUid, UserHandle user, 11577 Certificate[][] certificates) { 11578 if (DEBUG_EPHEMERAL) { 11579 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11580 Slog.d(TAG, "Ephemeral install of " + packageName); 11581 } 11582 } 11583 final VerificationInfo verificationInfo = new VerificationInfo( 11584 sessionParams.originatingUri, sessionParams.referrerUri, 11585 sessionParams.originatingUid, installerUid); 11586 11587 final OriginInfo origin; 11588 if (stagedDir != null) { 11589 origin = OriginInfo.fromStagedFile(stagedDir); 11590 } else { 11591 origin = OriginInfo.fromStagedContainer(stagedCid); 11592 } 11593 11594 final Message msg = mHandler.obtainMessage(INIT_COPY); 11595 final InstallParams params = new InstallParams(origin, null, observer, 11596 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11597 verificationInfo, user, sessionParams.abiOverride, 11598 sessionParams.grantedRuntimePermissions, certificates); 11599 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11600 msg.obj = params; 11601 11602 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11603 System.identityHashCode(msg.obj)); 11604 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11605 System.identityHashCode(msg.obj)); 11606 11607 mHandler.sendMessage(msg); 11608 } 11609 11610 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11611 int userId) { 11612 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11613 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11614 } 11615 11616 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11617 int appId, int userId) { 11618 Bundle extras = new Bundle(1); 11619 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11620 11621 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11622 packageName, extras, 0, null, null, new int[] {userId}); 11623 try { 11624 IActivityManager am = ActivityManagerNative.getDefault(); 11625 if (isSystem && am.isUserRunning(userId, 0)) { 11626 // The just-installed/enabled app is bundled on the system, so presumed 11627 // to be able to run automatically without needing an explicit launch. 11628 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11629 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11630 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11631 .setPackage(packageName); 11632 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11633 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11634 } 11635 } catch (RemoteException e) { 11636 // shouldn't happen 11637 Slog.w(TAG, "Unable to bootstrap installed package", e); 11638 } 11639 } 11640 11641 @Override 11642 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11643 int userId) { 11644 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11645 PackageSetting pkgSetting; 11646 final int uid = Binder.getCallingUid(); 11647 enforceCrossUserPermission(uid, userId, 11648 true /* requireFullPermission */, true /* checkShell */, 11649 "setApplicationHiddenSetting for user " + userId); 11650 11651 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11652 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11653 return false; 11654 } 11655 11656 long callingId = Binder.clearCallingIdentity(); 11657 try { 11658 boolean sendAdded = false; 11659 boolean sendRemoved = false; 11660 // writer 11661 synchronized (mPackages) { 11662 pkgSetting = mSettings.mPackages.get(packageName); 11663 if (pkgSetting == null) { 11664 return false; 11665 } 11666 // Only allow protected packages to hide themselves. 11667 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 11668 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 11669 Slog.w(TAG, "Not hiding protected package: " + packageName); 11670 return false; 11671 } 11672 if (pkgSetting.getHidden(userId) != hidden) { 11673 pkgSetting.setHidden(hidden, userId); 11674 mSettings.writePackageRestrictionsLPr(userId); 11675 if (hidden) { 11676 sendRemoved = true; 11677 } else { 11678 sendAdded = true; 11679 } 11680 } 11681 } 11682 if (sendAdded) { 11683 sendPackageAddedForUser(packageName, pkgSetting, userId); 11684 return true; 11685 } 11686 if (sendRemoved) { 11687 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11688 "hiding pkg"); 11689 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11690 return true; 11691 } 11692 } finally { 11693 Binder.restoreCallingIdentity(callingId); 11694 } 11695 return false; 11696 } 11697 11698 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11699 int userId) { 11700 final PackageRemovedInfo info = new PackageRemovedInfo(); 11701 info.removedPackage = packageName; 11702 info.removedUsers = new int[] {userId}; 11703 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11704 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11705 } 11706 11707 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11708 if (pkgList.length > 0) { 11709 Bundle extras = new Bundle(1); 11710 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11711 11712 sendPackageBroadcast( 11713 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11714 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11715 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11716 new int[] {userId}); 11717 } 11718 } 11719 11720 /** 11721 * Returns true if application is not found or there was an error. Otherwise it returns 11722 * the hidden state of the package for the given user. 11723 */ 11724 @Override 11725 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11726 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11727 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11728 true /* requireFullPermission */, false /* checkShell */, 11729 "getApplicationHidden for user " + userId); 11730 PackageSetting pkgSetting; 11731 long callingId = Binder.clearCallingIdentity(); 11732 try { 11733 // writer 11734 synchronized (mPackages) { 11735 pkgSetting = mSettings.mPackages.get(packageName); 11736 if (pkgSetting == null) { 11737 return true; 11738 } 11739 return pkgSetting.getHidden(userId); 11740 } 11741 } finally { 11742 Binder.restoreCallingIdentity(callingId); 11743 } 11744 } 11745 11746 /** 11747 * @hide 11748 */ 11749 @Override 11750 public int installExistingPackageAsUser(String packageName, int userId) { 11751 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11752 null); 11753 PackageSetting pkgSetting; 11754 final int uid = Binder.getCallingUid(); 11755 enforceCrossUserPermission(uid, userId, 11756 true /* requireFullPermission */, true /* checkShell */, 11757 "installExistingPackage for user " + userId); 11758 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11759 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11760 } 11761 11762 long callingId = Binder.clearCallingIdentity(); 11763 try { 11764 boolean installed = false; 11765 11766 // writer 11767 synchronized (mPackages) { 11768 pkgSetting = mSettings.mPackages.get(packageName); 11769 if (pkgSetting == null) { 11770 return PackageManager.INSTALL_FAILED_INVALID_URI; 11771 } 11772 if (!pkgSetting.getInstalled(userId)) { 11773 pkgSetting.setInstalled(true, userId); 11774 pkgSetting.setHidden(false, userId); 11775 mSettings.writePackageRestrictionsLPr(userId); 11776 installed = true; 11777 } 11778 } 11779 11780 if (installed) { 11781 if (pkgSetting.pkg != null) { 11782 synchronized (mInstallLock) { 11783 // We don't need to freeze for a brand new install 11784 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11785 } 11786 } 11787 sendPackageAddedForUser(packageName, pkgSetting, userId); 11788 } 11789 } finally { 11790 Binder.restoreCallingIdentity(callingId); 11791 } 11792 11793 return PackageManager.INSTALL_SUCCEEDED; 11794 } 11795 11796 boolean isUserRestricted(int userId, String restrictionKey) { 11797 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11798 if (restrictions.getBoolean(restrictionKey, false)) { 11799 Log.w(TAG, "User is restricted: " + restrictionKey); 11800 return true; 11801 } 11802 return false; 11803 } 11804 11805 @Override 11806 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11807 int userId) { 11808 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11809 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11810 true /* requireFullPermission */, true /* checkShell */, 11811 "setPackagesSuspended for user " + userId); 11812 11813 if (ArrayUtils.isEmpty(packageNames)) { 11814 return packageNames; 11815 } 11816 11817 // List of package names for whom the suspended state has changed. 11818 List<String> changedPackages = new ArrayList<>(packageNames.length); 11819 // List of package names for whom the suspended state is not set as requested in this 11820 // method. 11821 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11822 long callingId = Binder.clearCallingIdentity(); 11823 try { 11824 for (int i = 0; i < packageNames.length; i++) { 11825 String packageName = packageNames[i]; 11826 boolean changed = false; 11827 final int appId; 11828 synchronized (mPackages) { 11829 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11830 if (pkgSetting == null) { 11831 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11832 + "\". Skipping suspending/un-suspending."); 11833 unactionedPackages.add(packageName); 11834 continue; 11835 } 11836 appId = pkgSetting.appId; 11837 if (pkgSetting.getSuspended(userId) != suspended) { 11838 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11839 unactionedPackages.add(packageName); 11840 continue; 11841 } 11842 pkgSetting.setSuspended(suspended, userId); 11843 mSettings.writePackageRestrictionsLPr(userId); 11844 changed = true; 11845 changedPackages.add(packageName); 11846 } 11847 } 11848 11849 if (changed && suspended) { 11850 killApplication(packageName, UserHandle.getUid(userId, appId), 11851 "suspending package"); 11852 } 11853 } 11854 } finally { 11855 Binder.restoreCallingIdentity(callingId); 11856 } 11857 11858 if (!changedPackages.isEmpty()) { 11859 sendPackagesSuspendedForUser(changedPackages.toArray( 11860 new String[changedPackages.size()]), userId, suspended); 11861 } 11862 11863 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11864 } 11865 11866 @Override 11867 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11868 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11869 true /* requireFullPermission */, false /* checkShell */, 11870 "isPackageSuspendedForUser for user " + userId); 11871 synchronized (mPackages) { 11872 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11873 if (pkgSetting == null) { 11874 throw new IllegalArgumentException("Unknown target package: " + packageName); 11875 } 11876 return pkgSetting.getSuspended(userId); 11877 } 11878 } 11879 11880 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11881 if (isPackageDeviceAdmin(packageName, userId)) { 11882 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11883 + "\": has an active device admin"); 11884 return false; 11885 } 11886 11887 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11888 if (packageName.equals(activeLauncherPackageName)) { 11889 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11890 + "\": contains the active launcher"); 11891 return false; 11892 } 11893 11894 if (packageName.equals(mRequiredInstallerPackage)) { 11895 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11896 + "\": required for package installation"); 11897 return false; 11898 } 11899 11900 if (packageName.equals(mRequiredVerifierPackage)) { 11901 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11902 + "\": required for package verification"); 11903 return false; 11904 } 11905 11906 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11907 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11908 + "\": is the default dialer"); 11909 return false; 11910 } 11911 11912 return true; 11913 } 11914 11915 private String getActiveLauncherPackageName(int userId) { 11916 Intent intent = new Intent(Intent.ACTION_MAIN); 11917 intent.addCategory(Intent.CATEGORY_HOME); 11918 ResolveInfo resolveInfo = resolveIntent( 11919 intent, 11920 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11921 PackageManager.MATCH_DEFAULT_ONLY, 11922 userId); 11923 11924 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11925 } 11926 11927 private String getDefaultDialerPackageName(int userId) { 11928 synchronized (mPackages) { 11929 return mSettings.getDefaultDialerPackageNameLPw(userId); 11930 } 11931 } 11932 11933 @Override 11934 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11935 mContext.enforceCallingOrSelfPermission( 11936 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11937 "Only package verification agents can verify applications"); 11938 11939 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11940 final PackageVerificationResponse response = new PackageVerificationResponse( 11941 verificationCode, Binder.getCallingUid()); 11942 msg.arg1 = id; 11943 msg.obj = response; 11944 mHandler.sendMessage(msg); 11945 } 11946 11947 @Override 11948 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11949 long millisecondsToDelay) { 11950 mContext.enforceCallingOrSelfPermission( 11951 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11952 "Only package verification agents can extend verification timeouts"); 11953 11954 final PackageVerificationState state = mPendingVerification.get(id); 11955 final PackageVerificationResponse response = new PackageVerificationResponse( 11956 verificationCodeAtTimeout, Binder.getCallingUid()); 11957 11958 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11959 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11960 } 11961 if (millisecondsToDelay < 0) { 11962 millisecondsToDelay = 0; 11963 } 11964 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11965 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11966 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11967 } 11968 11969 if ((state != null) && !state.timeoutExtended()) { 11970 state.extendTimeout(); 11971 11972 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11973 msg.arg1 = id; 11974 msg.obj = response; 11975 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11976 } 11977 } 11978 11979 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11980 int verificationCode, UserHandle user) { 11981 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11982 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11983 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11984 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11985 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11986 11987 mContext.sendBroadcastAsUser(intent, user, 11988 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11989 } 11990 11991 private ComponentName matchComponentForVerifier(String packageName, 11992 List<ResolveInfo> receivers) { 11993 ActivityInfo targetReceiver = null; 11994 11995 final int NR = receivers.size(); 11996 for (int i = 0; i < NR; i++) { 11997 final ResolveInfo info = receivers.get(i); 11998 if (info.activityInfo == null) { 11999 continue; 12000 } 12001 12002 if (packageName.equals(info.activityInfo.packageName)) { 12003 targetReceiver = info.activityInfo; 12004 break; 12005 } 12006 } 12007 12008 if (targetReceiver == null) { 12009 return null; 12010 } 12011 12012 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 12013 } 12014 12015 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 12016 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 12017 if (pkgInfo.verifiers.length == 0) { 12018 return null; 12019 } 12020 12021 final int N = pkgInfo.verifiers.length; 12022 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 12023 for (int i = 0; i < N; i++) { 12024 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 12025 12026 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 12027 receivers); 12028 if (comp == null) { 12029 continue; 12030 } 12031 12032 final int verifierUid = getUidForVerifier(verifierInfo); 12033 if (verifierUid == -1) { 12034 continue; 12035 } 12036 12037 if (DEBUG_VERIFY) { 12038 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12039 + " with the correct signature"); 12040 } 12041 sufficientVerifiers.add(comp); 12042 verificationState.addSufficientVerifier(verifierUid); 12043 } 12044 12045 return sufficientVerifiers; 12046 } 12047 12048 private int getUidForVerifier(VerifierInfo verifierInfo) { 12049 synchronized (mPackages) { 12050 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12051 if (pkg == null) { 12052 return -1; 12053 } else if (pkg.mSignatures.length != 1) { 12054 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12055 + " has more than one signature; ignoring"); 12056 return -1; 12057 } 12058 12059 /* 12060 * If the public key of the package's signature does not match 12061 * our expected public key, then this is a different package and 12062 * we should skip. 12063 */ 12064 12065 final byte[] expectedPublicKey; 12066 try { 12067 final Signature verifierSig = pkg.mSignatures[0]; 12068 final PublicKey publicKey = verifierSig.getPublicKey(); 12069 expectedPublicKey = publicKey.getEncoded(); 12070 } catch (CertificateException e) { 12071 return -1; 12072 } 12073 12074 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12075 12076 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12077 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12078 + " does not have the expected public key; ignoring"); 12079 return -1; 12080 } 12081 12082 return pkg.applicationInfo.uid; 12083 } 12084 } 12085 12086 @Override 12087 public void finishPackageInstall(int token, boolean didLaunch) { 12088 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12089 12090 if (DEBUG_INSTALL) { 12091 Slog.v(TAG, "BM finishing package install for " + token); 12092 } 12093 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12094 12095 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12096 mHandler.sendMessage(msg); 12097 } 12098 12099 /** 12100 * Get the verification agent timeout. 12101 * 12102 * @return verification timeout in milliseconds 12103 */ 12104 private long getVerificationTimeout() { 12105 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12106 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12107 DEFAULT_VERIFICATION_TIMEOUT); 12108 } 12109 12110 /** 12111 * Get the default verification agent response code. 12112 * 12113 * @return default verification response code 12114 */ 12115 private int getDefaultVerificationResponse() { 12116 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12117 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12118 DEFAULT_VERIFICATION_RESPONSE); 12119 } 12120 12121 /** 12122 * Check whether or not package verification has been enabled. 12123 * 12124 * @return true if verification should be performed 12125 */ 12126 private boolean isVerificationEnabled(int userId, int installFlags) { 12127 if (!DEFAULT_VERIFY_ENABLE) { 12128 return false; 12129 } 12130 // Ephemeral apps don't get the full verification treatment 12131 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12132 if (DEBUG_EPHEMERAL) { 12133 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12134 } 12135 return false; 12136 } 12137 12138 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12139 12140 // Check if installing from ADB 12141 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12142 // Do not run verification in a test harness environment 12143 if (ActivityManager.isRunningInTestHarness()) { 12144 return false; 12145 } 12146 if (ensureVerifyAppsEnabled) { 12147 return true; 12148 } 12149 // Check if the developer does not want package verification for ADB installs 12150 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12151 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12152 return false; 12153 } 12154 } 12155 12156 if (ensureVerifyAppsEnabled) { 12157 return true; 12158 } 12159 12160 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12161 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12162 } 12163 12164 @Override 12165 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12166 throws RemoteException { 12167 mContext.enforceCallingOrSelfPermission( 12168 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12169 "Only intentfilter verification agents can verify applications"); 12170 12171 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12172 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12173 Binder.getCallingUid(), verificationCode, failedDomains); 12174 msg.arg1 = id; 12175 msg.obj = response; 12176 mHandler.sendMessage(msg); 12177 } 12178 12179 @Override 12180 public int getIntentVerificationStatus(String packageName, int userId) { 12181 synchronized (mPackages) { 12182 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12183 } 12184 } 12185 12186 @Override 12187 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12188 mContext.enforceCallingOrSelfPermission( 12189 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12190 12191 boolean result = false; 12192 synchronized (mPackages) { 12193 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12194 } 12195 if (result) { 12196 scheduleWritePackageRestrictionsLocked(userId); 12197 } 12198 return result; 12199 } 12200 12201 @Override 12202 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12203 String packageName) { 12204 synchronized (mPackages) { 12205 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12206 } 12207 } 12208 12209 @Override 12210 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12211 if (TextUtils.isEmpty(packageName)) { 12212 return ParceledListSlice.emptyList(); 12213 } 12214 synchronized (mPackages) { 12215 PackageParser.Package pkg = mPackages.get(packageName); 12216 if (pkg == null || pkg.activities == null) { 12217 return ParceledListSlice.emptyList(); 12218 } 12219 final int count = pkg.activities.size(); 12220 ArrayList<IntentFilter> result = new ArrayList<>(); 12221 for (int n=0; n<count; n++) { 12222 PackageParser.Activity activity = pkg.activities.get(n); 12223 if (activity.intents != null && activity.intents.size() > 0) { 12224 result.addAll(activity.intents); 12225 } 12226 } 12227 return new ParceledListSlice<>(result); 12228 } 12229 } 12230 12231 @Override 12232 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12233 mContext.enforceCallingOrSelfPermission( 12234 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12235 12236 synchronized (mPackages) { 12237 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12238 if (packageName != null) { 12239 result |= updateIntentVerificationStatus(packageName, 12240 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12241 userId); 12242 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12243 packageName, userId); 12244 } 12245 return result; 12246 } 12247 } 12248 12249 @Override 12250 public String getDefaultBrowserPackageName(int userId) { 12251 synchronized (mPackages) { 12252 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12253 } 12254 } 12255 12256 /** 12257 * Get the "allow unknown sources" setting. 12258 * 12259 * @return the current "allow unknown sources" setting 12260 */ 12261 private int getUnknownSourcesSettings() { 12262 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12263 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12264 -1); 12265 } 12266 12267 @Override 12268 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12269 final int uid = Binder.getCallingUid(); 12270 // writer 12271 synchronized (mPackages) { 12272 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12273 if (targetPackageSetting == null) { 12274 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12275 } 12276 12277 PackageSetting installerPackageSetting; 12278 if (installerPackageName != null) { 12279 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12280 if (installerPackageSetting == null) { 12281 throw new IllegalArgumentException("Unknown installer package: " 12282 + installerPackageName); 12283 } 12284 } else { 12285 installerPackageSetting = null; 12286 } 12287 12288 Signature[] callerSignature; 12289 Object obj = mSettings.getUserIdLPr(uid); 12290 if (obj != null) { 12291 if (obj instanceof SharedUserSetting) { 12292 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12293 } else if (obj instanceof PackageSetting) { 12294 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12295 } else { 12296 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12297 } 12298 } else { 12299 throw new SecurityException("Unknown calling UID: " + uid); 12300 } 12301 12302 // Verify: can't set installerPackageName to a package that is 12303 // not signed with the same cert as the caller. 12304 if (installerPackageSetting != null) { 12305 if (compareSignatures(callerSignature, 12306 installerPackageSetting.signatures.mSignatures) 12307 != PackageManager.SIGNATURE_MATCH) { 12308 throw new SecurityException( 12309 "Caller does not have same cert as new installer package " 12310 + installerPackageName); 12311 } 12312 } 12313 12314 // Verify: if target already has an installer package, it must 12315 // be signed with the same cert as the caller. 12316 if (targetPackageSetting.installerPackageName != null) { 12317 PackageSetting setting = mSettings.mPackages.get( 12318 targetPackageSetting.installerPackageName); 12319 // If the currently set package isn't valid, then it's always 12320 // okay to change it. 12321 if (setting != null) { 12322 if (compareSignatures(callerSignature, 12323 setting.signatures.mSignatures) 12324 != PackageManager.SIGNATURE_MATCH) { 12325 throw new SecurityException( 12326 "Caller does not have same cert as old installer package " 12327 + targetPackageSetting.installerPackageName); 12328 } 12329 } 12330 } 12331 12332 // Okay! 12333 targetPackageSetting.installerPackageName = installerPackageName; 12334 if (installerPackageName != null) { 12335 mSettings.mInstallerPackages.add(installerPackageName); 12336 } 12337 scheduleWriteSettingsLocked(); 12338 } 12339 } 12340 12341 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12342 // Queue up an async operation since the package installation may take a little while. 12343 mHandler.post(new Runnable() { 12344 public void run() { 12345 mHandler.removeCallbacks(this); 12346 // Result object to be returned 12347 PackageInstalledInfo res = new PackageInstalledInfo(); 12348 res.setReturnCode(currentStatus); 12349 res.uid = -1; 12350 res.pkg = null; 12351 res.removedInfo = null; 12352 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12353 args.doPreInstall(res.returnCode); 12354 synchronized (mInstallLock) { 12355 installPackageTracedLI(args, res); 12356 } 12357 args.doPostInstall(res.returnCode, res.uid); 12358 } 12359 12360 // A restore should be performed at this point if (a) the install 12361 // succeeded, (b) the operation is not an update, and (c) the new 12362 // package has not opted out of backup participation. 12363 final boolean update = res.removedInfo != null 12364 && res.removedInfo.removedPackage != null; 12365 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12366 boolean doRestore = !update 12367 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12368 12369 // Set up the post-install work request bookkeeping. This will be used 12370 // and cleaned up by the post-install event handling regardless of whether 12371 // there's a restore pass performed. Token values are >= 1. 12372 int token; 12373 if (mNextInstallToken < 0) mNextInstallToken = 1; 12374 token = mNextInstallToken++; 12375 12376 PostInstallData data = new PostInstallData(args, res); 12377 mRunningInstalls.put(token, data); 12378 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12379 12380 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12381 // Pass responsibility to the Backup Manager. It will perform a 12382 // restore if appropriate, then pass responsibility back to the 12383 // Package Manager to run the post-install observer callbacks 12384 // and broadcasts. 12385 IBackupManager bm = IBackupManager.Stub.asInterface( 12386 ServiceManager.getService(Context.BACKUP_SERVICE)); 12387 if (bm != null) { 12388 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12389 + " to BM for possible restore"); 12390 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12391 try { 12392 // TODO: http://b/22388012 12393 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12394 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12395 } else { 12396 doRestore = false; 12397 } 12398 } catch (RemoteException e) { 12399 // can't happen; the backup manager is local 12400 } catch (Exception e) { 12401 Slog.e(TAG, "Exception trying to enqueue restore", e); 12402 doRestore = false; 12403 } 12404 } else { 12405 Slog.e(TAG, "Backup Manager not found!"); 12406 doRestore = false; 12407 } 12408 } 12409 12410 if (!doRestore) { 12411 // No restore possible, or the Backup Manager was mysteriously not 12412 // available -- just fire the post-install work request directly. 12413 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12414 12415 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12416 12417 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12418 mHandler.sendMessage(msg); 12419 } 12420 } 12421 }); 12422 } 12423 12424 /** 12425 * Callback from PackageSettings whenever an app is first transitioned out of the 12426 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12427 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12428 * here whether the app is the target of an ongoing install, and only send the 12429 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12430 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12431 * handling. 12432 */ 12433 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12434 // Serialize this with the rest of the install-process message chain. In the 12435 // restore-at-install case, this Runnable will necessarily run before the 12436 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12437 // are coherent. In the non-restore case, the app has already completed install 12438 // and been launched through some other means, so it is not in a problematic 12439 // state for observers to see the FIRST_LAUNCH signal. 12440 mHandler.post(new Runnable() { 12441 @Override 12442 public void run() { 12443 for (int i = 0; i < mRunningInstalls.size(); i++) { 12444 final PostInstallData data = mRunningInstalls.valueAt(i); 12445 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12446 // right package; but is it for the right user? 12447 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12448 if (userId == data.res.newUsers[uIndex]) { 12449 if (DEBUG_BACKUP) { 12450 Slog.i(TAG, "Package " + pkgName 12451 + " being restored so deferring FIRST_LAUNCH"); 12452 } 12453 return; 12454 } 12455 } 12456 } 12457 } 12458 // didn't find it, so not being restored 12459 if (DEBUG_BACKUP) { 12460 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12461 } 12462 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12463 } 12464 }); 12465 } 12466 12467 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12468 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12469 installerPkg, null, userIds); 12470 } 12471 12472 private abstract class HandlerParams { 12473 private static final int MAX_RETRIES = 4; 12474 12475 /** 12476 * Number of times startCopy() has been attempted and had a non-fatal 12477 * error. 12478 */ 12479 private int mRetries = 0; 12480 12481 /** User handle for the user requesting the information or installation. */ 12482 private final UserHandle mUser; 12483 String traceMethod; 12484 int traceCookie; 12485 12486 HandlerParams(UserHandle user) { 12487 mUser = user; 12488 } 12489 12490 UserHandle getUser() { 12491 return mUser; 12492 } 12493 12494 HandlerParams setTraceMethod(String traceMethod) { 12495 this.traceMethod = traceMethod; 12496 return this; 12497 } 12498 12499 HandlerParams setTraceCookie(int traceCookie) { 12500 this.traceCookie = traceCookie; 12501 return this; 12502 } 12503 12504 final boolean startCopy() { 12505 boolean res; 12506 try { 12507 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12508 12509 if (++mRetries > MAX_RETRIES) { 12510 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12511 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12512 handleServiceError(); 12513 return false; 12514 } else { 12515 handleStartCopy(); 12516 res = true; 12517 } 12518 } catch (RemoteException e) { 12519 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12520 mHandler.sendEmptyMessage(MCS_RECONNECT); 12521 res = false; 12522 } 12523 handleReturnCode(); 12524 return res; 12525 } 12526 12527 final void serviceError() { 12528 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12529 handleServiceError(); 12530 handleReturnCode(); 12531 } 12532 12533 abstract void handleStartCopy() throws RemoteException; 12534 abstract void handleServiceError(); 12535 abstract void handleReturnCode(); 12536 } 12537 12538 class MeasureParams extends HandlerParams { 12539 private final PackageStats mStats; 12540 private boolean mSuccess; 12541 12542 private final IPackageStatsObserver mObserver; 12543 12544 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12545 super(new UserHandle(stats.userHandle)); 12546 mObserver = observer; 12547 mStats = stats; 12548 } 12549 12550 @Override 12551 public String toString() { 12552 return "MeasureParams{" 12553 + Integer.toHexString(System.identityHashCode(this)) 12554 + " " + mStats.packageName + "}"; 12555 } 12556 12557 @Override 12558 void handleStartCopy() throws RemoteException { 12559 synchronized (mInstallLock) { 12560 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12561 } 12562 12563 if (mSuccess) { 12564 boolean mounted = false; 12565 try { 12566 final String status = Environment.getExternalStorageState(); 12567 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12568 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12569 } catch (Exception e) { 12570 } 12571 12572 if (mounted) { 12573 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12574 12575 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12576 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12577 12578 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12579 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12580 12581 // Always subtract cache size, since it's a subdirectory 12582 mStats.externalDataSize -= mStats.externalCacheSize; 12583 12584 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12585 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12586 12587 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12588 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12589 } 12590 } 12591 } 12592 12593 @Override 12594 void handleReturnCode() { 12595 if (mObserver != null) { 12596 try { 12597 mObserver.onGetStatsCompleted(mStats, mSuccess); 12598 } catch (RemoteException e) { 12599 Slog.i(TAG, "Observer no longer exists."); 12600 } 12601 } 12602 } 12603 12604 @Override 12605 void handleServiceError() { 12606 Slog.e(TAG, "Could not measure application " + mStats.packageName 12607 + " external storage"); 12608 } 12609 } 12610 12611 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12612 throws RemoteException { 12613 long result = 0; 12614 for (File path : paths) { 12615 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12616 } 12617 return result; 12618 } 12619 12620 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12621 for (File path : paths) { 12622 try { 12623 mcs.clearDirectory(path.getAbsolutePath()); 12624 } catch (RemoteException e) { 12625 } 12626 } 12627 } 12628 12629 static class OriginInfo { 12630 /** 12631 * Location where install is coming from, before it has been 12632 * copied/renamed into place. This could be a single monolithic APK 12633 * file, or a cluster directory. This location may be untrusted. 12634 */ 12635 final File file; 12636 final String cid; 12637 12638 /** 12639 * Flag indicating that {@link #file} or {@link #cid} has already been 12640 * staged, meaning downstream users don't need to defensively copy the 12641 * contents. 12642 */ 12643 final boolean staged; 12644 12645 /** 12646 * Flag indicating that {@link #file} or {@link #cid} is an already 12647 * installed app that is being moved. 12648 */ 12649 final boolean existing; 12650 12651 final String resolvedPath; 12652 final File resolvedFile; 12653 12654 static OriginInfo fromNothing() { 12655 return new OriginInfo(null, null, false, false); 12656 } 12657 12658 static OriginInfo fromUntrustedFile(File file) { 12659 return new OriginInfo(file, null, false, false); 12660 } 12661 12662 static OriginInfo fromExistingFile(File file) { 12663 return new OriginInfo(file, null, false, true); 12664 } 12665 12666 static OriginInfo fromStagedFile(File file) { 12667 return new OriginInfo(file, null, true, false); 12668 } 12669 12670 static OriginInfo fromStagedContainer(String cid) { 12671 return new OriginInfo(null, cid, true, false); 12672 } 12673 12674 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12675 this.file = file; 12676 this.cid = cid; 12677 this.staged = staged; 12678 this.existing = existing; 12679 12680 if (cid != null) { 12681 resolvedPath = PackageHelper.getSdDir(cid); 12682 resolvedFile = new File(resolvedPath); 12683 } else if (file != null) { 12684 resolvedPath = file.getAbsolutePath(); 12685 resolvedFile = file; 12686 } else { 12687 resolvedPath = null; 12688 resolvedFile = null; 12689 } 12690 } 12691 } 12692 12693 static class MoveInfo { 12694 final int moveId; 12695 final String fromUuid; 12696 final String toUuid; 12697 final String packageName; 12698 final String dataAppName; 12699 final int appId; 12700 final String seinfo; 12701 final int targetSdkVersion; 12702 12703 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12704 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12705 this.moveId = moveId; 12706 this.fromUuid = fromUuid; 12707 this.toUuid = toUuid; 12708 this.packageName = packageName; 12709 this.dataAppName = dataAppName; 12710 this.appId = appId; 12711 this.seinfo = seinfo; 12712 this.targetSdkVersion = targetSdkVersion; 12713 } 12714 } 12715 12716 static class VerificationInfo { 12717 /** A constant used to indicate that a uid value is not present. */ 12718 public static final int NO_UID = -1; 12719 12720 /** URI referencing where the package was downloaded from. */ 12721 final Uri originatingUri; 12722 12723 /** HTTP referrer URI associated with the originatingURI. */ 12724 final Uri referrer; 12725 12726 /** UID of the application that the install request originated from. */ 12727 final int originatingUid; 12728 12729 /** UID of application requesting the install */ 12730 final int installerUid; 12731 12732 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12733 this.originatingUri = originatingUri; 12734 this.referrer = referrer; 12735 this.originatingUid = originatingUid; 12736 this.installerUid = installerUid; 12737 } 12738 } 12739 12740 class InstallParams extends HandlerParams { 12741 final OriginInfo origin; 12742 final MoveInfo move; 12743 final IPackageInstallObserver2 observer; 12744 int installFlags; 12745 final String installerPackageName; 12746 final String volumeUuid; 12747 private InstallArgs mArgs; 12748 private int mRet; 12749 final String packageAbiOverride; 12750 final String[] grantedRuntimePermissions; 12751 final VerificationInfo verificationInfo; 12752 final Certificate[][] certificates; 12753 12754 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12755 int installFlags, String installerPackageName, String volumeUuid, 12756 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12757 String[] grantedPermissions, Certificate[][] certificates) { 12758 super(user); 12759 this.origin = origin; 12760 this.move = move; 12761 this.observer = observer; 12762 this.installFlags = installFlags; 12763 this.installerPackageName = installerPackageName; 12764 this.volumeUuid = volumeUuid; 12765 this.verificationInfo = verificationInfo; 12766 this.packageAbiOverride = packageAbiOverride; 12767 this.grantedRuntimePermissions = grantedPermissions; 12768 this.certificates = certificates; 12769 } 12770 12771 @Override 12772 public String toString() { 12773 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12774 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12775 } 12776 12777 private int installLocationPolicy(PackageInfoLite pkgLite) { 12778 String packageName = pkgLite.packageName; 12779 int installLocation = pkgLite.installLocation; 12780 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12781 // reader 12782 synchronized (mPackages) { 12783 // Currently installed package which the new package is attempting to replace or 12784 // null if no such package is installed. 12785 PackageParser.Package installedPkg = mPackages.get(packageName); 12786 // Package which currently owns the data which the new package will own if installed. 12787 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12788 // will be null whereas dataOwnerPkg will contain information about the package 12789 // which was uninstalled while keeping its data. 12790 PackageParser.Package dataOwnerPkg = installedPkg; 12791 if (dataOwnerPkg == null) { 12792 PackageSetting ps = mSettings.mPackages.get(packageName); 12793 if (ps != null) { 12794 dataOwnerPkg = ps.pkg; 12795 } 12796 } 12797 12798 if (dataOwnerPkg != null) { 12799 // If installed, the package will get access to data left on the device by its 12800 // predecessor. As a security measure, this is permited only if this is not a 12801 // version downgrade or if the predecessor package is marked as debuggable and 12802 // a downgrade is explicitly requested. 12803 // 12804 // On debuggable platform builds, downgrades are permitted even for 12805 // non-debuggable packages to make testing easier. Debuggable platform builds do 12806 // not offer security guarantees and thus it's OK to disable some security 12807 // mechanisms to make debugging/testing easier on those builds. However, even on 12808 // debuggable builds downgrades of packages are permitted only if requested via 12809 // installFlags. This is because we aim to keep the behavior of debuggable 12810 // platform builds as close as possible to the behavior of non-debuggable 12811 // platform builds. 12812 final boolean downgradeRequested = 12813 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12814 final boolean packageDebuggable = 12815 (dataOwnerPkg.applicationInfo.flags 12816 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12817 final boolean downgradePermitted = 12818 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12819 if (!downgradePermitted) { 12820 try { 12821 checkDowngrade(dataOwnerPkg, pkgLite); 12822 } catch (PackageManagerException e) { 12823 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12824 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12825 } 12826 } 12827 } 12828 12829 if (installedPkg != null) { 12830 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12831 // Check for updated system application. 12832 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12833 if (onSd) { 12834 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12835 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12836 } 12837 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12838 } else { 12839 if (onSd) { 12840 // Install flag overrides everything. 12841 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12842 } 12843 // If current upgrade specifies particular preference 12844 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12845 // Application explicitly specified internal. 12846 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12847 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12848 // App explictly prefers external. Let policy decide 12849 } else { 12850 // Prefer previous location 12851 if (isExternal(installedPkg)) { 12852 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12853 } 12854 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12855 } 12856 } 12857 } else { 12858 // Invalid install. Return error code 12859 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12860 } 12861 } 12862 } 12863 // All the special cases have been taken care of. 12864 // Return result based on recommended install location. 12865 if (onSd) { 12866 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12867 } 12868 return pkgLite.recommendedInstallLocation; 12869 } 12870 12871 /* 12872 * Invoke remote method to get package information and install 12873 * location values. Override install location based on default 12874 * policy if needed and then create install arguments based 12875 * on the install location. 12876 */ 12877 public void handleStartCopy() throws RemoteException { 12878 int ret = PackageManager.INSTALL_SUCCEEDED; 12879 12880 // If we're already staged, we've firmly committed to an install location 12881 if (origin.staged) { 12882 if (origin.file != null) { 12883 installFlags |= PackageManager.INSTALL_INTERNAL; 12884 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12885 } else if (origin.cid != null) { 12886 installFlags |= PackageManager.INSTALL_EXTERNAL; 12887 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12888 } else { 12889 throw new IllegalStateException("Invalid stage location"); 12890 } 12891 } 12892 12893 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12894 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12895 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12896 PackageInfoLite pkgLite = null; 12897 12898 if (onInt && onSd) { 12899 // Check if both bits are set. 12900 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12901 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12902 } else if (onSd && ephemeral) { 12903 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12904 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12905 } else { 12906 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12907 packageAbiOverride); 12908 12909 if (DEBUG_EPHEMERAL && ephemeral) { 12910 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12911 } 12912 12913 /* 12914 * If we have too little free space, try to free cache 12915 * before giving up. 12916 */ 12917 if (!origin.staged && pkgLite.recommendedInstallLocation 12918 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12919 // TODO: focus freeing disk space on the target device 12920 final StorageManager storage = StorageManager.from(mContext); 12921 final long lowThreshold = storage.getStorageLowBytes( 12922 Environment.getDataDirectory()); 12923 12924 final long sizeBytes = mContainerService.calculateInstalledSize( 12925 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12926 12927 try { 12928 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12929 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12930 installFlags, packageAbiOverride); 12931 } catch (InstallerException e) { 12932 Slog.w(TAG, "Failed to free cache", e); 12933 } 12934 12935 /* 12936 * The cache free must have deleted the file we 12937 * downloaded to install. 12938 * 12939 * TODO: fix the "freeCache" call to not delete 12940 * the file we care about. 12941 */ 12942 if (pkgLite.recommendedInstallLocation 12943 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12944 pkgLite.recommendedInstallLocation 12945 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12946 } 12947 } 12948 } 12949 12950 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12951 int loc = pkgLite.recommendedInstallLocation; 12952 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12953 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12954 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12955 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12956 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12957 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12958 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12959 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12960 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12961 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12962 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12963 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12964 } else { 12965 // Override with defaults if needed. 12966 loc = installLocationPolicy(pkgLite); 12967 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12968 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12969 } else if (!onSd && !onInt) { 12970 // Override install location with flags 12971 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12972 // Set the flag to install on external media. 12973 installFlags |= PackageManager.INSTALL_EXTERNAL; 12974 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12975 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12976 if (DEBUG_EPHEMERAL) { 12977 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12978 } 12979 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12980 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12981 |PackageManager.INSTALL_INTERNAL); 12982 } else { 12983 // Make sure the flag for installing on external 12984 // media is unset 12985 installFlags |= PackageManager.INSTALL_INTERNAL; 12986 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12987 } 12988 } 12989 } 12990 } 12991 12992 final InstallArgs args = createInstallArgs(this); 12993 mArgs = args; 12994 12995 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12996 // TODO: http://b/22976637 12997 // Apps installed for "all" users use the device owner to verify the app 12998 UserHandle verifierUser = getUser(); 12999 if (verifierUser == UserHandle.ALL) { 13000 verifierUser = UserHandle.SYSTEM; 13001 } 13002 13003 /* 13004 * Determine if we have any installed package verifiers. If we 13005 * do, then we'll defer to them to verify the packages. 13006 */ 13007 final int requiredUid = mRequiredVerifierPackage == null ? -1 13008 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 13009 verifierUser.getIdentifier()); 13010 if (!origin.existing && requiredUid != -1 13011 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 13012 final Intent verification = new Intent( 13013 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 13014 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 13015 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 13016 PACKAGE_MIME_TYPE); 13017 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13018 13019 // Query all live verifiers based on current user state 13020 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 13021 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 13022 13023 if (DEBUG_VERIFY) { 13024 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 13025 + verification.toString() + " with " + pkgLite.verifiers.length 13026 + " optional verifiers"); 13027 } 13028 13029 final int verificationId = mPendingVerificationToken++; 13030 13031 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13032 13033 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13034 installerPackageName); 13035 13036 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13037 installFlags); 13038 13039 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13040 pkgLite.packageName); 13041 13042 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13043 pkgLite.versionCode); 13044 13045 if (verificationInfo != null) { 13046 if (verificationInfo.originatingUri != null) { 13047 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13048 verificationInfo.originatingUri); 13049 } 13050 if (verificationInfo.referrer != null) { 13051 verification.putExtra(Intent.EXTRA_REFERRER, 13052 verificationInfo.referrer); 13053 } 13054 if (verificationInfo.originatingUid >= 0) { 13055 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13056 verificationInfo.originatingUid); 13057 } 13058 if (verificationInfo.installerUid >= 0) { 13059 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13060 verificationInfo.installerUid); 13061 } 13062 } 13063 13064 final PackageVerificationState verificationState = new PackageVerificationState( 13065 requiredUid, args); 13066 13067 mPendingVerification.append(verificationId, verificationState); 13068 13069 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13070 receivers, verificationState); 13071 13072 /* 13073 * If any sufficient verifiers were listed in the package 13074 * manifest, attempt to ask them. 13075 */ 13076 if (sufficientVerifiers != null) { 13077 final int N = sufficientVerifiers.size(); 13078 if (N == 0) { 13079 Slog.i(TAG, "Additional verifiers required, but none installed."); 13080 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13081 } else { 13082 for (int i = 0; i < N; i++) { 13083 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13084 13085 final Intent sufficientIntent = new Intent(verification); 13086 sufficientIntent.setComponent(verifierComponent); 13087 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13088 } 13089 } 13090 } 13091 13092 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13093 mRequiredVerifierPackage, receivers); 13094 if (ret == PackageManager.INSTALL_SUCCEEDED 13095 && mRequiredVerifierPackage != null) { 13096 Trace.asyncTraceBegin( 13097 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13098 /* 13099 * Send the intent to the required verification agent, 13100 * but only start the verification timeout after the 13101 * target BroadcastReceivers have run. 13102 */ 13103 verification.setComponent(requiredVerifierComponent); 13104 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13105 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13106 new BroadcastReceiver() { 13107 @Override 13108 public void onReceive(Context context, Intent intent) { 13109 final Message msg = mHandler 13110 .obtainMessage(CHECK_PENDING_VERIFICATION); 13111 msg.arg1 = verificationId; 13112 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13113 } 13114 }, null, 0, null, null); 13115 13116 /* 13117 * We don't want the copy to proceed until verification 13118 * succeeds, so null out this field. 13119 */ 13120 mArgs = null; 13121 } 13122 } else { 13123 /* 13124 * No package verification is enabled, so immediately start 13125 * the remote call to initiate copy using temporary file. 13126 */ 13127 ret = args.copyApk(mContainerService, true); 13128 } 13129 } 13130 13131 mRet = ret; 13132 } 13133 13134 @Override 13135 void handleReturnCode() { 13136 // If mArgs is null, then MCS couldn't be reached. When it 13137 // reconnects, it will try again to install. At that point, this 13138 // will succeed. 13139 if (mArgs != null) { 13140 processPendingInstall(mArgs, mRet); 13141 } 13142 } 13143 13144 @Override 13145 void handleServiceError() { 13146 mArgs = createInstallArgs(this); 13147 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13148 } 13149 13150 public boolean isForwardLocked() { 13151 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13152 } 13153 } 13154 13155 /** 13156 * Used during creation of InstallArgs 13157 * 13158 * @param installFlags package installation flags 13159 * @return true if should be installed on external storage 13160 */ 13161 private static boolean installOnExternalAsec(int installFlags) { 13162 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13163 return false; 13164 } 13165 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13166 return true; 13167 } 13168 return false; 13169 } 13170 13171 /** 13172 * Used during creation of InstallArgs 13173 * 13174 * @param installFlags package installation flags 13175 * @return true if should be installed as forward locked 13176 */ 13177 private static boolean installForwardLocked(int installFlags) { 13178 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13179 } 13180 13181 private InstallArgs createInstallArgs(InstallParams params) { 13182 if (params.move != null) { 13183 return new MoveInstallArgs(params); 13184 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13185 return new AsecInstallArgs(params); 13186 } else { 13187 return new FileInstallArgs(params); 13188 } 13189 } 13190 13191 /** 13192 * Create args that describe an existing installed package. Typically used 13193 * when cleaning up old installs, or used as a move source. 13194 */ 13195 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13196 String resourcePath, String[] instructionSets) { 13197 final boolean isInAsec; 13198 if (installOnExternalAsec(installFlags)) { 13199 /* Apps on SD card are always in ASEC containers. */ 13200 isInAsec = true; 13201 } else if (installForwardLocked(installFlags) 13202 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13203 /* 13204 * Forward-locked apps are only in ASEC containers if they're the 13205 * new style 13206 */ 13207 isInAsec = true; 13208 } else { 13209 isInAsec = false; 13210 } 13211 13212 if (isInAsec) { 13213 return new AsecInstallArgs(codePath, instructionSets, 13214 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13215 } else { 13216 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13217 } 13218 } 13219 13220 static abstract class InstallArgs { 13221 /** @see InstallParams#origin */ 13222 final OriginInfo origin; 13223 /** @see InstallParams#move */ 13224 final MoveInfo move; 13225 13226 final IPackageInstallObserver2 observer; 13227 // Always refers to PackageManager flags only 13228 final int installFlags; 13229 final String installerPackageName; 13230 final String volumeUuid; 13231 final UserHandle user; 13232 final String abiOverride; 13233 final String[] installGrantPermissions; 13234 /** If non-null, drop an async trace when the install completes */ 13235 final String traceMethod; 13236 final int traceCookie; 13237 final Certificate[][] certificates; 13238 13239 // The list of instruction sets supported by this app. This is currently 13240 // only used during the rmdex() phase to clean up resources. We can get rid of this 13241 // if we move dex files under the common app path. 13242 /* nullable */ String[] instructionSets; 13243 13244 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13245 int installFlags, String installerPackageName, String volumeUuid, 13246 UserHandle user, String[] instructionSets, 13247 String abiOverride, String[] installGrantPermissions, 13248 String traceMethod, int traceCookie, Certificate[][] certificates) { 13249 this.origin = origin; 13250 this.move = move; 13251 this.installFlags = installFlags; 13252 this.observer = observer; 13253 this.installerPackageName = installerPackageName; 13254 this.volumeUuid = volumeUuid; 13255 this.user = user; 13256 this.instructionSets = instructionSets; 13257 this.abiOverride = abiOverride; 13258 this.installGrantPermissions = installGrantPermissions; 13259 this.traceMethod = traceMethod; 13260 this.traceCookie = traceCookie; 13261 this.certificates = certificates; 13262 } 13263 13264 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13265 abstract int doPreInstall(int status); 13266 13267 /** 13268 * Rename package into final resting place. All paths on the given 13269 * scanned package should be updated to reflect the rename. 13270 */ 13271 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13272 abstract int doPostInstall(int status, int uid); 13273 13274 /** @see PackageSettingBase#codePathString */ 13275 abstract String getCodePath(); 13276 /** @see PackageSettingBase#resourcePathString */ 13277 abstract String getResourcePath(); 13278 13279 // Need installer lock especially for dex file removal. 13280 abstract void cleanUpResourcesLI(); 13281 abstract boolean doPostDeleteLI(boolean delete); 13282 13283 /** 13284 * Called before the source arguments are copied. This is used mostly 13285 * for MoveParams when it needs to read the source file to put it in the 13286 * destination. 13287 */ 13288 int doPreCopy() { 13289 return PackageManager.INSTALL_SUCCEEDED; 13290 } 13291 13292 /** 13293 * Called after the source arguments are copied. This is used mostly for 13294 * MoveParams when it needs to read the source file to put it in the 13295 * destination. 13296 */ 13297 int doPostCopy(int uid) { 13298 return PackageManager.INSTALL_SUCCEEDED; 13299 } 13300 13301 protected boolean isFwdLocked() { 13302 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13303 } 13304 13305 protected boolean isExternalAsec() { 13306 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13307 } 13308 13309 protected boolean isEphemeral() { 13310 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13311 } 13312 13313 UserHandle getUser() { 13314 return user; 13315 } 13316 } 13317 13318 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13319 if (!allCodePaths.isEmpty()) { 13320 if (instructionSets == null) { 13321 throw new IllegalStateException("instructionSet == null"); 13322 } 13323 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13324 for (String codePath : allCodePaths) { 13325 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13326 try { 13327 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13328 } catch (InstallerException ignored) { 13329 } 13330 } 13331 } 13332 } 13333 } 13334 13335 /** 13336 * Logic to handle installation of non-ASEC applications, including copying 13337 * and renaming logic. 13338 */ 13339 class FileInstallArgs extends InstallArgs { 13340 private File codeFile; 13341 private File resourceFile; 13342 13343 // Example topology: 13344 // /data/app/com.example/base.apk 13345 // /data/app/com.example/split_foo.apk 13346 // /data/app/com.example/lib/arm/libfoo.so 13347 // /data/app/com.example/lib/arm64/libfoo.so 13348 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13349 13350 /** New install */ 13351 FileInstallArgs(InstallParams params) { 13352 super(params.origin, params.move, params.observer, params.installFlags, 13353 params.installerPackageName, params.volumeUuid, 13354 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13355 params.grantedRuntimePermissions, 13356 params.traceMethod, params.traceCookie, params.certificates); 13357 if (isFwdLocked()) { 13358 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13359 } 13360 } 13361 13362 /** Existing install */ 13363 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13364 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13365 null, null, null, 0, null /*certificates*/); 13366 this.codeFile = (codePath != null) ? new File(codePath) : null; 13367 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13368 } 13369 13370 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13371 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13372 try { 13373 return doCopyApk(imcs, temp); 13374 } finally { 13375 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13376 } 13377 } 13378 13379 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13380 if (origin.staged) { 13381 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13382 codeFile = origin.file; 13383 resourceFile = origin.file; 13384 return PackageManager.INSTALL_SUCCEEDED; 13385 } 13386 13387 try { 13388 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13389 final File tempDir = 13390 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13391 codeFile = tempDir; 13392 resourceFile = tempDir; 13393 } catch (IOException e) { 13394 Slog.w(TAG, "Failed to create copy file: " + e); 13395 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13396 } 13397 13398 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13399 @Override 13400 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13401 if (!FileUtils.isValidExtFilename(name)) { 13402 throw new IllegalArgumentException("Invalid filename: " + name); 13403 } 13404 try { 13405 final File file = new File(codeFile, name); 13406 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13407 O_RDWR | O_CREAT, 0644); 13408 Os.chmod(file.getAbsolutePath(), 0644); 13409 return new ParcelFileDescriptor(fd); 13410 } catch (ErrnoException e) { 13411 throw new RemoteException("Failed to open: " + e.getMessage()); 13412 } 13413 } 13414 }; 13415 13416 int ret = PackageManager.INSTALL_SUCCEEDED; 13417 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13418 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13419 Slog.e(TAG, "Failed to copy package"); 13420 return ret; 13421 } 13422 13423 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13424 NativeLibraryHelper.Handle handle = null; 13425 try { 13426 handle = NativeLibraryHelper.Handle.create(codeFile); 13427 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13428 abiOverride); 13429 } catch (IOException e) { 13430 Slog.e(TAG, "Copying native libraries failed", e); 13431 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13432 } finally { 13433 IoUtils.closeQuietly(handle); 13434 } 13435 13436 return ret; 13437 } 13438 13439 int doPreInstall(int status) { 13440 if (status != PackageManager.INSTALL_SUCCEEDED) { 13441 cleanUp(); 13442 } 13443 return status; 13444 } 13445 13446 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13447 if (status != PackageManager.INSTALL_SUCCEEDED) { 13448 cleanUp(); 13449 return false; 13450 } 13451 13452 final File targetDir = codeFile.getParentFile(); 13453 final File beforeCodeFile = codeFile; 13454 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13455 13456 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13457 try { 13458 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13459 } catch (ErrnoException e) { 13460 Slog.w(TAG, "Failed to rename", e); 13461 return false; 13462 } 13463 13464 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13465 Slog.w(TAG, "Failed to restorecon"); 13466 return false; 13467 } 13468 13469 // Reflect the rename internally 13470 codeFile = afterCodeFile; 13471 resourceFile = afterCodeFile; 13472 13473 // Reflect the rename in scanned details 13474 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13475 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13476 afterCodeFile, pkg.baseCodePath)); 13477 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13478 afterCodeFile, pkg.splitCodePaths)); 13479 13480 // Reflect the rename in app info 13481 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13482 pkg.setApplicationInfoCodePath(pkg.codePath); 13483 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13484 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13485 pkg.setApplicationInfoResourcePath(pkg.codePath); 13486 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13487 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13488 13489 return true; 13490 } 13491 13492 int doPostInstall(int status, int uid) { 13493 if (status != PackageManager.INSTALL_SUCCEEDED) { 13494 cleanUp(); 13495 } 13496 return status; 13497 } 13498 13499 @Override 13500 String getCodePath() { 13501 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13502 } 13503 13504 @Override 13505 String getResourcePath() { 13506 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13507 } 13508 13509 private boolean cleanUp() { 13510 if (codeFile == null || !codeFile.exists()) { 13511 return false; 13512 } 13513 13514 removeCodePathLI(codeFile); 13515 13516 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13517 resourceFile.delete(); 13518 } 13519 13520 return true; 13521 } 13522 13523 void cleanUpResourcesLI() { 13524 // Try enumerating all code paths before deleting 13525 List<String> allCodePaths = Collections.EMPTY_LIST; 13526 if (codeFile != null && codeFile.exists()) { 13527 try { 13528 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13529 allCodePaths = pkg.getAllCodePaths(); 13530 } catch (PackageParserException e) { 13531 // Ignored; we tried our best 13532 } 13533 } 13534 13535 cleanUp(); 13536 removeDexFiles(allCodePaths, instructionSets); 13537 } 13538 13539 boolean doPostDeleteLI(boolean delete) { 13540 // XXX err, shouldn't we respect the delete flag? 13541 cleanUpResourcesLI(); 13542 return true; 13543 } 13544 } 13545 13546 private boolean isAsecExternal(String cid) { 13547 final String asecPath = PackageHelper.getSdFilesystem(cid); 13548 return !asecPath.startsWith(mAsecInternalPath); 13549 } 13550 13551 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13552 PackageManagerException { 13553 if (copyRet < 0) { 13554 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13555 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13556 throw new PackageManagerException(copyRet, message); 13557 } 13558 } 13559 } 13560 13561 /** 13562 * Extract the MountService "container ID" from the full code path of an 13563 * .apk. 13564 */ 13565 static String cidFromCodePath(String fullCodePath) { 13566 int eidx = fullCodePath.lastIndexOf("/"); 13567 String subStr1 = fullCodePath.substring(0, eidx); 13568 int sidx = subStr1.lastIndexOf("/"); 13569 return subStr1.substring(sidx+1, eidx); 13570 } 13571 13572 /** 13573 * Logic to handle installation of ASEC applications, including copying and 13574 * renaming logic. 13575 */ 13576 class AsecInstallArgs extends InstallArgs { 13577 static final String RES_FILE_NAME = "pkg.apk"; 13578 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13579 13580 String cid; 13581 String packagePath; 13582 String resourcePath; 13583 13584 /** New install */ 13585 AsecInstallArgs(InstallParams params) { 13586 super(params.origin, params.move, params.observer, params.installFlags, 13587 params.installerPackageName, params.volumeUuid, 13588 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13589 params.grantedRuntimePermissions, 13590 params.traceMethod, params.traceCookie, params.certificates); 13591 } 13592 13593 /** Existing install */ 13594 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13595 boolean isExternal, boolean isForwardLocked) { 13596 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13597 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13598 instructionSets, null, null, null, 0, null /*certificates*/); 13599 // Hackily pretend we're still looking at a full code path 13600 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13601 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13602 } 13603 13604 // Extract cid from fullCodePath 13605 int eidx = fullCodePath.lastIndexOf("/"); 13606 String subStr1 = fullCodePath.substring(0, eidx); 13607 int sidx = subStr1.lastIndexOf("/"); 13608 cid = subStr1.substring(sidx+1, eidx); 13609 setMountPath(subStr1); 13610 } 13611 13612 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13613 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13614 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13615 instructionSets, null, null, null, 0, null /*certificates*/); 13616 this.cid = cid; 13617 setMountPath(PackageHelper.getSdDir(cid)); 13618 } 13619 13620 void createCopyFile() { 13621 cid = mInstallerService.allocateExternalStageCidLegacy(); 13622 } 13623 13624 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13625 if (origin.staged && origin.cid != null) { 13626 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13627 cid = origin.cid; 13628 setMountPath(PackageHelper.getSdDir(cid)); 13629 return PackageManager.INSTALL_SUCCEEDED; 13630 } 13631 13632 if (temp) { 13633 createCopyFile(); 13634 } else { 13635 /* 13636 * Pre-emptively destroy the container since it's destroyed if 13637 * copying fails due to it existing anyway. 13638 */ 13639 PackageHelper.destroySdDir(cid); 13640 } 13641 13642 final String newMountPath = imcs.copyPackageToContainer( 13643 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13644 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13645 13646 if (newMountPath != null) { 13647 setMountPath(newMountPath); 13648 return PackageManager.INSTALL_SUCCEEDED; 13649 } else { 13650 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13651 } 13652 } 13653 13654 @Override 13655 String getCodePath() { 13656 return packagePath; 13657 } 13658 13659 @Override 13660 String getResourcePath() { 13661 return resourcePath; 13662 } 13663 13664 int doPreInstall(int status) { 13665 if (status != PackageManager.INSTALL_SUCCEEDED) { 13666 // Destroy container 13667 PackageHelper.destroySdDir(cid); 13668 } else { 13669 boolean mounted = PackageHelper.isContainerMounted(cid); 13670 if (!mounted) { 13671 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13672 Process.SYSTEM_UID); 13673 if (newMountPath != null) { 13674 setMountPath(newMountPath); 13675 } else { 13676 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13677 } 13678 } 13679 } 13680 return status; 13681 } 13682 13683 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13684 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13685 String newMountPath = null; 13686 if (PackageHelper.isContainerMounted(cid)) { 13687 // Unmount the container 13688 if (!PackageHelper.unMountSdDir(cid)) { 13689 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13690 return false; 13691 } 13692 } 13693 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13694 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13695 " which might be stale. Will try to clean up."); 13696 // Clean up the stale container and proceed to recreate. 13697 if (!PackageHelper.destroySdDir(newCacheId)) { 13698 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13699 return false; 13700 } 13701 // Successfully cleaned up stale container. Try to rename again. 13702 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13703 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13704 + " inspite of cleaning it up."); 13705 return false; 13706 } 13707 } 13708 if (!PackageHelper.isContainerMounted(newCacheId)) { 13709 Slog.w(TAG, "Mounting container " + newCacheId); 13710 newMountPath = PackageHelper.mountSdDir(newCacheId, 13711 getEncryptKey(), Process.SYSTEM_UID); 13712 } else { 13713 newMountPath = PackageHelper.getSdDir(newCacheId); 13714 } 13715 if (newMountPath == null) { 13716 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13717 return false; 13718 } 13719 Log.i(TAG, "Succesfully renamed " + cid + 13720 " to " + newCacheId + 13721 " at new path: " + newMountPath); 13722 cid = newCacheId; 13723 13724 final File beforeCodeFile = new File(packagePath); 13725 setMountPath(newMountPath); 13726 final File afterCodeFile = new File(packagePath); 13727 13728 // Reflect the rename in scanned details 13729 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13730 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13731 afterCodeFile, pkg.baseCodePath)); 13732 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13733 afterCodeFile, pkg.splitCodePaths)); 13734 13735 // Reflect the rename in app info 13736 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13737 pkg.setApplicationInfoCodePath(pkg.codePath); 13738 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13739 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13740 pkg.setApplicationInfoResourcePath(pkg.codePath); 13741 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13742 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13743 13744 return true; 13745 } 13746 13747 private void setMountPath(String mountPath) { 13748 final File mountFile = new File(mountPath); 13749 13750 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13751 if (monolithicFile.exists()) { 13752 packagePath = monolithicFile.getAbsolutePath(); 13753 if (isFwdLocked()) { 13754 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13755 } else { 13756 resourcePath = packagePath; 13757 } 13758 } else { 13759 packagePath = mountFile.getAbsolutePath(); 13760 resourcePath = packagePath; 13761 } 13762 } 13763 13764 int doPostInstall(int status, int uid) { 13765 if (status != PackageManager.INSTALL_SUCCEEDED) { 13766 cleanUp(); 13767 } else { 13768 final int groupOwner; 13769 final String protectedFile; 13770 if (isFwdLocked()) { 13771 groupOwner = UserHandle.getSharedAppGid(uid); 13772 protectedFile = RES_FILE_NAME; 13773 } else { 13774 groupOwner = -1; 13775 protectedFile = null; 13776 } 13777 13778 if (uid < Process.FIRST_APPLICATION_UID 13779 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13780 Slog.e(TAG, "Failed to finalize " + cid); 13781 PackageHelper.destroySdDir(cid); 13782 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13783 } 13784 13785 boolean mounted = PackageHelper.isContainerMounted(cid); 13786 if (!mounted) { 13787 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13788 } 13789 } 13790 return status; 13791 } 13792 13793 private void cleanUp() { 13794 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13795 13796 // Destroy secure container 13797 PackageHelper.destroySdDir(cid); 13798 } 13799 13800 private List<String> getAllCodePaths() { 13801 final File codeFile = new File(getCodePath()); 13802 if (codeFile != null && codeFile.exists()) { 13803 try { 13804 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13805 return pkg.getAllCodePaths(); 13806 } catch (PackageParserException e) { 13807 // Ignored; we tried our best 13808 } 13809 } 13810 return Collections.EMPTY_LIST; 13811 } 13812 13813 void cleanUpResourcesLI() { 13814 // Enumerate all code paths before deleting 13815 cleanUpResourcesLI(getAllCodePaths()); 13816 } 13817 13818 private void cleanUpResourcesLI(List<String> allCodePaths) { 13819 cleanUp(); 13820 removeDexFiles(allCodePaths, instructionSets); 13821 } 13822 13823 String getPackageName() { 13824 return getAsecPackageName(cid); 13825 } 13826 13827 boolean doPostDeleteLI(boolean delete) { 13828 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13829 final List<String> allCodePaths = getAllCodePaths(); 13830 boolean mounted = PackageHelper.isContainerMounted(cid); 13831 if (mounted) { 13832 // Unmount first 13833 if (PackageHelper.unMountSdDir(cid)) { 13834 mounted = false; 13835 } 13836 } 13837 if (!mounted && delete) { 13838 cleanUpResourcesLI(allCodePaths); 13839 } 13840 return !mounted; 13841 } 13842 13843 @Override 13844 int doPreCopy() { 13845 if (isFwdLocked()) { 13846 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13847 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13848 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13849 } 13850 } 13851 13852 return PackageManager.INSTALL_SUCCEEDED; 13853 } 13854 13855 @Override 13856 int doPostCopy(int uid) { 13857 if (isFwdLocked()) { 13858 if (uid < Process.FIRST_APPLICATION_UID 13859 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13860 RES_FILE_NAME)) { 13861 Slog.e(TAG, "Failed to finalize " + cid); 13862 PackageHelper.destroySdDir(cid); 13863 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13864 } 13865 } 13866 13867 return PackageManager.INSTALL_SUCCEEDED; 13868 } 13869 } 13870 13871 /** 13872 * Logic to handle movement of existing installed applications. 13873 */ 13874 class MoveInstallArgs extends InstallArgs { 13875 private File codeFile; 13876 private File resourceFile; 13877 13878 /** New install */ 13879 MoveInstallArgs(InstallParams params) { 13880 super(params.origin, params.move, params.observer, params.installFlags, 13881 params.installerPackageName, params.volumeUuid, 13882 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13883 params.grantedRuntimePermissions, 13884 params.traceMethod, params.traceCookie, params.certificates); 13885 } 13886 13887 int copyApk(IMediaContainerService imcs, boolean temp) { 13888 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13889 + move.fromUuid + " to " + move.toUuid); 13890 synchronized (mInstaller) { 13891 try { 13892 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13893 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13894 } catch (InstallerException e) { 13895 Slog.w(TAG, "Failed to move app", e); 13896 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13897 } 13898 } 13899 13900 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13901 resourceFile = codeFile; 13902 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13903 13904 return PackageManager.INSTALL_SUCCEEDED; 13905 } 13906 13907 int doPreInstall(int status) { 13908 if (status != PackageManager.INSTALL_SUCCEEDED) { 13909 cleanUp(move.toUuid); 13910 } 13911 return status; 13912 } 13913 13914 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13915 if (status != PackageManager.INSTALL_SUCCEEDED) { 13916 cleanUp(move.toUuid); 13917 return false; 13918 } 13919 13920 // Reflect the move in app info 13921 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13922 pkg.setApplicationInfoCodePath(pkg.codePath); 13923 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13924 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13925 pkg.setApplicationInfoResourcePath(pkg.codePath); 13926 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13927 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13928 13929 return true; 13930 } 13931 13932 int doPostInstall(int status, int uid) { 13933 if (status == PackageManager.INSTALL_SUCCEEDED) { 13934 cleanUp(move.fromUuid); 13935 } else { 13936 cleanUp(move.toUuid); 13937 } 13938 return status; 13939 } 13940 13941 @Override 13942 String getCodePath() { 13943 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13944 } 13945 13946 @Override 13947 String getResourcePath() { 13948 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13949 } 13950 13951 private boolean cleanUp(String volumeUuid) { 13952 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13953 move.dataAppName); 13954 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13955 final int[] userIds = sUserManager.getUserIds(); 13956 synchronized (mInstallLock) { 13957 // Clean up both app data and code 13958 // All package moves are frozen until finished 13959 for (int userId : userIds) { 13960 try { 13961 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13962 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13963 } catch (InstallerException e) { 13964 Slog.w(TAG, String.valueOf(e)); 13965 } 13966 } 13967 removeCodePathLI(codeFile); 13968 } 13969 return true; 13970 } 13971 13972 void cleanUpResourcesLI() { 13973 throw new UnsupportedOperationException(); 13974 } 13975 13976 boolean doPostDeleteLI(boolean delete) { 13977 throw new UnsupportedOperationException(); 13978 } 13979 } 13980 13981 static String getAsecPackageName(String packageCid) { 13982 int idx = packageCid.lastIndexOf("-"); 13983 if (idx == -1) { 13984 return packageCid; 13985 } 13986 return packageCid.substring(0, idx); 13987 } 13988 13989 // Utility method used to create code paths based on package name and available index. 13990 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13991 String idxStr = ""; 13992 int idx = 1; 13993 // Fall back to default value of idx=1 if prefix is not 13994 // part of oldCodePath 13995 if (oldCodePath != null) { 13996 String subStr = oldCodePath; 13997 // Drop the suffix right away 13998 if (suffix != null && subStr.endsWith(suffix)) { 13999 subStr = subStr.substring(0, subStr.length() - suffix.length()); 14000 } 14001 // If oldCodePath already contains prefix find out the 14002 // ending index to either increment or decrement. 14003 int sidx = subStr.lastIndexOf(prefix); 14004 if (sidx != -1) { 14005 subStr = subStr.substring(sidx + prefix.length()); 14006 if (subStr != null) { 14007 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 14008 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 14009 } 14010 try { 14011 idx = Integer.parseInt(subStr); 14012 if (idx <= 1) { 14013 idx++; 14014 } else { 14015 idx--; 14016 } 14017 } catch(NumberFormatException e) { 14018 } 14019 } 14020 } 14021 } 14022 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 14023 return prefix + idxStr; 14024 } 14025 14026 private File getNextCodePath(File targetDir, String packageName) { 14027 int suffix = 1; 14028 File result; 14029 do { 14030 result = new File(targetDir, packageName + "-" + suffix); 14031 suffix++; 14032 } while (result.exists()); 14033 return result; 14034 } 14035 14036 // Utility method that returns the relative package path with respect 14037 // to the installation directory. Like say for /data/data/com.test-1.apk 14038 // string com.test-1 is returned. 14039 static String deriveCodePathName(String codePath) { 14040 if (codePath == null) { 14041 return null; 14042 } 14043 final File codeFile = new File(codePath); 14044 final String name = codeFile.getName(); 14045 if (codeFile.isDirectory()) { 14046 return name; 14047 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14048 final int lastDot = name.lastIndexOf('.'); 14049 return name.substring(0, lastDot); 14050 } else { 14051 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14052 return null; 14053 } 14054 } 14055 14056 static class PackageInstalledInfo { 14057 String name; 14058 int uid; 14059 // The set of users that originally had this package installed. 14060 int[] origUsers; 14061 // The set of users that now have this package installed. 14062 int[] newUsers; 14063 PackageParser.Package pkg; 14064 int returnCode; 14065 String returnMsg; 14066 PackageRemovedInfo removedInfo; 14067 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14068 14069 public void setError(int code, String msg) { 14070 setReturnCode(code); 14071 setReturnMessage(msg); 14072 Slog.w(TAG, msg); 14073 } 14074 14075 public void setError(String msg, PackageParserException e) { 14076 setReturnCode(e.error); 14077 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14078 Slog.w(TAG, msg, e); 14079 } 14080 14081 public void setError(String msg, PackageManagerException e) { 14082 returnCode = e.error; 14083 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14084 Slog.w(TAG, msg, e); 14085 } 14086 14087 public void setReturnCode(int returnCode) { 14088 this.returnCode = returnCode; 14089 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14090 for (int i = 0; i < childCount; i++) { 14091 addedChildPackages.valueAt(i).returnCode = returnCode; 14092 } 14093 } 14094 14095 private void setReturnMessage(String returnMsg) { 14096 this.returnMsg = returnMsg; 14097 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14098 for (int i = 0; i < childCount; i++) { 14099 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14100 } 14101 } 14102 14103 // In some error cases we want to convey more info back to the observer 14104 String origPackage; 14105 String origPermission; 14106 } 14107 14108 /* 14109 * Install a non-existing package. 14110 */ 14111 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14112 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14113 PackageInstalledInfo res) { 14114 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14115 14116 // Remember this for later, in case we need to rollback this install 14117 String pkgName = pkg.packageName; 14118 14119 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14120 14121 synchronized(mPackages) { 14122 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14123 // A package with the same name is already installed, though 14124 // it has been renamed to an older name. The package we 14125 // are trying to install should be installed as an update to 14126 // the existing one, but that has not been requested, so bail. 14127 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14128 + " without first uninstalling package running as " 14129 + mSettings.mRenamedPackages.get(pkgName)); 14130 return; 14131 } 14132 if (mPackages.containsKey(pkgName)) { 14133 // Don't allow installation over an existing package with the same name. 14134 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14135 + " without first uninstalling."); 14136 return; 14137 } 14138 } 14139 14140 try { 14141 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14142 System.currentTimeMillis(), user); 14143 14144 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14145 14146 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14147 prepareAppDataAfterInstallLIF(newPackage); 14148 14149 } else { 14150 // Remove package from internal structures, but keep around any 14151 // data that might have already existed 14152 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14153 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14154 } 14155 } catch (PackageManagerException e) { 14156 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14157 } 14158 14159 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14160 } 14161 14162 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14163 // Can't rotate keys during boot or if sharedUser. 14164 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14165 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14166 return false; 14167 } 14168 // app is using upgradeKeySets; make sure all are valid 14169 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14170 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14171 for (int i = 0; i < upgradeKeySets.length; i++) { 14172 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14173 Slog.wtf(TAG, "Package " 14174 + (oldPs.name != null ? oldPs.name : "<null>") 14175 + " contains upgrade-key-set reference to unknown key-set: " 14176 + upgradeKeySets[i] 14177 + " reverting to signatures check."); 14178 return false; 14179 } 14180 } 14181 return true; 14182 } 14183 14184 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14185 // Upgrade keysets are being used. Determine if new package has a superset of the 14186 // required keys. 14187 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14188 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14189 for (int i = 0; i < upgradeKeySets.length; i++) { 14190 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14191 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14192 return true; 14193 } 14194 } 14195 return false; 14196 } 14197 14198 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14199 try (DigestInputStream digestStream = 14200 new DigestInputStream(new FileInputStream(file), digest)) { 14201 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14202 } 14203 } 14204 14205 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14206 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14207 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14208 14209 final PackageParser.Package oldPackage; 14210 final String pkgName = pkg.packageName; 14211 final int[] allUsers; 14212 final int[] installedUsers; 14213 14214 synchronized(mPackages) { 14215 oldPackage = mPackages.get(pkgName); 14216 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14217 14218 // don't allow upgrade to target a release SDK from a pre-release SDK 14219 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14220 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14221 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14222 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14223 if (oldTargetsPreRelease 14224 && !newTargetsPreRelease 14225 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14226 Slog.w(TAG, "Can't install package targeting released sdk"); 14227 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14228 return; 14229 } 14230 14231 // don't allow an upgrade from full to ephemeral 14232 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14233 if (isEphemeral && !oldIsEphemeral) { 14234 // can't downgrade from full to ephemeral 14235 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14236 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14237 return; 14238 } 14239 14240 // verify signatures are valid 14241 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14242 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14243 if (!checkUpgradeKeySetLP(ps, pkg)) { 14244 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14245 "New package not signed by keys specified by upgrade-keysets: " 14246 + pkgName); 14247 return; 14248 } 14249 } else { 14250 // default to original signature matching 14251 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14252 != PackageManager.SIGNATURE_MATCH) { 14253 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14254 "New package has a different signature: " + pkgName); 14255 return; 14256 } 14257 } 14258 14259 // don't allow a system upgrade unless the upgrade hash matches 14260 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14261 byte[] digestBytes = null; 14262 try { 14263 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14264 updateDigest(digest, new File(pkg.baseCodePath)); 14265 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14266 for (String path : pkg.splitCodePaths) { 14267 updateDigest(digest, new File(path)); 14268 } 14269 } 14270 digestBytes = digest.digest(); 14271 } catch (NoSuchAlgorithmException | IOException e) { 14272 res.setError(INSTALL_FAILED_INVALID_APK, 14273 "Could not compute hash: " + pkgName); 14274 return; 14275 } 14276 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14277 res.setError(INSTALL_FAILED_INVALID_APK, 14278 "New package fails restrict-update check: " + pkgName); 14279 return; 14280 } 14281 // retain upgrade restriction 14282 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14283 } 14284 14285 // Check for shared user id changes 14286 String invalidPackageName = 14287 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14288 if (invalidPackageName != null) { 14289 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14290 "Package " + invalidPackageName + " tried to change user " 14291 + oldPackage.mSharedUserId); 14292 return; 14293 } 14294 14295 // In case of rollback, remember per-user/profile install state 14296 allUsers = sUserManager.getUserIds(); 14297 installedUsers = ps.queryInstalledUsers(allUsers, true); 14298 } 14299 14300 // Update what is removed 14301 res.removedInfo = new PackageRemovedInfo(); 14302 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14303 res.removedInfo.removedPackage = oldPackage.packageName; 14304 res.removedInfo.isUpdate = true; 14305 res.removedInfo.origUsers = installedUsers; 14306 final int childCount = (oldPackage.childPackages != null) 14307 ? oldPackage.childPackages.size() : 0; 14308 for (int i = 0; i < childCount; i++) { 14309 boolean childPackageUpdated = false; 14310 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14311 if (res.addedChildPackages != null) { 14312 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14313 if (childRes != null) { 14314 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14315 childRes.removedInfo.removedPackage = childPkg.packageName; 14316 childRes.removedInfo.isUpdate = true; 14317 childPackageUpdated = true; 14318 } 14319 } 14320 if (!childPackageUpdated) { 14321 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14322 childRemovedRes.removedPackage = childPkg.packageName; 14323 childRemovedRes.isUpdate = false; 14324 childRemovedRes.dataRemoved = true; 14325 synchronized (mPackages) { 14326 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14327 if (childPs != null) { 14328 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14329 } 14330 } 14331 if (res.removedInfo.removedChildPackages == null) { 14332 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14333 } 14334 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14335 } 14336 } 14337 14338 boolean sysPkg = (isSystemApp(oldPackage)); 14339 if (sysPkg) { 14340 // Set the system/privileged flags as needed 14341 final boolean privileged = 14342 (oldPackage.applicationInfo.privateFlags 14343 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14344 final int systemPolicyFlags = policyFlags 14345 | PackageParser.PARSE_IS_SYSTEM 14346 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14347 14348 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14349 user, allUsers, installerPackageName, res); 14350 } else { 14351 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14352 user, allUsers, installerPackageName, res); 14353 } 14354 } 14355 14356 public List<String> getPreviousCodePaths(String packageName) { 14357 final PackageSetting ps = mSettings.mPackages.get(packageName); 14358 final List<String> result = new ArrayList<String>(); 14359 if (ps != null && ps.oldCodePaths != null) { 14360 result.addAll(ps.oldCodePaths); 14361 } 14362 return result; 14363 } 14364 14365 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14366 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14367 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14368 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14369 + deletedPackage); 14370 14371 String pkgName = deletedPackage.packageName; 14372 boolean deletedPkg = true; 14373 boolean addedPkg = false; 14374 boolean updatedSettings = false; 14375 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14376 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14377 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14378 14379 final long origUpdateTime = (pkg.mExtras != null) 14380 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14381 14382 // First delete the existing package while retaining the data directory 14383 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14384 res.removedInfo, true, pkg)) { 14385 // If the existing package wasn't successfully deleted 14386 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14387 deletedPkg = false; 14388 } else { 14389 // Successfully deleted the old package; proceed with replace. 14390 14391 // If deleted package lived in a container, give users a chance to 14392 // relinquish resources before killing. 14393 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14394 if (DEBUG_INSTALL) { 14395 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14396 } 14397 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14398 final ArrayList<String> pkgList = new ArrayList<String>(1); 14399 pkgList.add(deletedPackage.applicationInfo.packageName); 14400 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14401 } 14402 14403 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14404 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14405 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14406 14407 try { 14408 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14409 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14410 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14411 14412 // Update the in-memory copy of the previous code paths. 14413 PackageSetting ps = mSettings.mPackages.get(pkgName); 14414 if (!killApp) { 14415 if (ps.oldCodePaths == null) { 14416 ps.oldCodePaths = new ArraySet<>(); 14417 } 14418 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14419 if (deletedPackage.splitCodePaths != null) { 14420 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14421 } 14422 } else { 14423 ps.oldCodePaths = null; 14424 } 14425 if (ps.childPackageNames != null) { 14426 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14427 final String childPkgName = ps.childPackageNames.get(i); 14428 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14429 childPs.oldCodePaths = ps.oldCodePaths; 14430 } 14431 } 14432 prepareAppDataAfterInstallLIF(newPackage); 14433 addedPkg = true; 14434 } catch (PackageManagerException e) { 14435 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14436 } 14437 } 14438 14439 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14440 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14441 14442 // Revert all internal state mutations and added folders for the failed install 14443 if (addedPkg) { 14444 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14445 res.removedInfo, true, null); 14446 } 14447 14448 // Restore the old package 14449 if (deletedPkg) { 14450 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14451 File restoreFile = new File(deletedPackage.codePath); 14452 // Parse old package 14453 boolean oldExternal = isExternal(deletedPackage); 14454 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14455 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14456 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14457 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14458 try { 14459 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14460 null); 14461 } catch (PackageManagerException e) { 14462 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14463 + e.getMessage()); 14464 return; 14465 } 14466 14467 synchronized (mPackages) { 14468 // Ensure the installer package name up to date 14469 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14470 14471 // Update permissions for restored package 14472 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14473 14474 mSettings.writeLPr(); 14475 } 14476 14477 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14478 } 14479 } else { 14480 synchronized (mPackages) { 14481 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14482 if (ps != null) { 14483 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14484 if (res.removedInfo.removedChildPackages != null) { 14485 final int childCount = res.removedInfo.removedChildPackages.size(); 14486 // Iterate in reverse as we may modify the collection 14487 for (int i = childCount - 1; i >= 0; i--) { 14488 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14489 if (res.addedChildPackages.containsKey(childPackageName)) { 14490 res.removedInfo.removedChildPackages.removeAt(i); 14491 } else { 14492 PackageRemovedInfo childInfo = res.removedInfo 14493 .removedChildPackages.valueAt(i); 14494 childInfo.removedForAllUsers = mPackages.get( 14495 childInfo.removedPackage) == null; 14496 } 14497 } 14498 } 14499 } 14500 } 14501 } 14502 } 14503 14504 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14505 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14506 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14507 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14508 + ", old=" + deletedPackage); 14509 14510 final boolean disabledSystem; 14511 14512 // Remove existing system package 14513 removePackageLI(deletedPackage, true); 14514 14515 synchronized (mPackages) { 14516 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14517 } 14518 if (!disabledSystem) { 14519 // We didn't need to disable the .apk as a current system package, 14520 // which means we are replacing another update that is already 14521 // installed. We need to make sure to delete the older one's .apk. 14522 res.removedInfo.args = createInstallArgsForExisting(0, 14523 deletedPackage.applicationInfo.getCodePath(), 14524 deletedPackage.applicationInfo.getResourcePath(), 14525 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14526 } else { 14527 res.removedInfo.args = null; 14528 } 14529 14530 // Successfully disabled the old package. Now proceed with re-installation 14531 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14532 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14533 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14534 14535 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14536 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14537 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14538 14539 PackageParser.Package newPackage = null; 14540 try { 14541 // Add the package to the internal data structures 14542 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14543 14544 // Set the update and install times 14545 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14546 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14547 System.currentTimeMillis()); 14548 14549 // Update the package dynamic state if succeeded 14550 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14551 // Now that the install succeeded make sure we remove data 14552 // directories for any child package the update removed. 14553 final int deletedChildCount = (deletedPackage.childPackages != null) 14554 ? deletedPackage.childPackages.size() : 0; 14555 final int newChildCount = (newPackage.childPackages != null) 14556 ? newPackage.childPackages.size() : 0; 14557 for (int i = 0; i < deletedChildCount; i++) { 14558 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14559 boolean childPackageDeleted = true; 14560 for (int j = 0; j < newChildCount; j++) { 14561 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14562 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14563 childPackageDeleted = false; 14564 break; 14565 } 14566 } 14567 if (childPackageDeleted) { 14568 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14569 deletedChildPkg.packageName); 14570 if (ps != null && res.removedInfo.removedChildPackages != null) { 14571 PackageRemovedInfo removedChildRes = res.removedInfo 14572 .removedChildPackages.get(deletedChildPkg.packageName); 14573 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14574 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14575 } 14576 } 14577 } 14578 14579 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14580 prepareAppDataAfterInstallLIF(newPackage); 14581 } 14582 } catch (PackageManagerException e) { 14583 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14584 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14585 } 14586 14587 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14588 // Re installation failed. Restore old information 14589 // Remove new pkg information 14590 if (newPackage != null) { 14591 removeInstalledPackageLI(newPackage, true); 14592 } 14593 // Add back the old system package 14594 try { 14595 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14596 } catch (PackageManagerException e) { 14597 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14598 } 14599 14600 synchronized (mPackages) { 14601 if (disabledSystem) { 14602 enableSystemPackageLPw(deletedPackage); 14603 } 14604 14605 // Ensure the installer package name up to date 14606 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14607 14608 // Update permissions for restored package 14609 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14610 14611 mSettings.writeLPr(); 14612 } 14613 14614 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14615 + " after failed upgrade"); 14616 } 14617 } 14618 14619 /** 14620 * Checks whether the parent or any of the child packages have a change shared 14621 * user. For a package to be a valid update the shred users of the parent and 14622 * the children should match. We may later support changing child shared users. 14623 * @param oldPkg The updated package. 14624 * @param newPkg The update package. 14625 * @return The shared user that change between the versions. 14626 */ 14627 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14628 PackageParser.Package newPkg) { 14629 // Check parent shared user 14630 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14631 return newPkg.packageName; 14632 } 14633 // Check child shared users 14634 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14635 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14636 for (int i = 0; i < newChildCount; i++) { 14637 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14638 // If this child was present, did it have the same shared user? 14639 for (int j = 0; j < oldChildCount; j++) { 14640 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14641 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14642 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14643 return newChildPkg.packageName; 14644 } 14645 } 14646 } 14647 return null; 14648 } 14649 14650 private void removeNativeBinariesLI(PackageSetting ps) { 14651 // Remove the lib path for the parent package 14652 if (ps != null) { 14653 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14654 // Remove the lib path for the child packages 14655 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14656 for (int i = 0; i < childCount; i++) { 14657 PackageSetting childPs = null; 14658 synchronized (mPackages) { 14659 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14660 } 14661 if (childPs != null) { 14662 NativeLibraryHelper.removeNativeBinariesLI(childPs 14663 .legacyNativeLibraryPathString); 14664 } 14665 } 14666 } 14667 } 14668 14669 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14670 // Enable the parent package 14671 mSettings.enableSystemPackageLPw(pkg.packageName); 14672 // Enable the child packages 14673 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14674 for (int i = 0; i < childCount; i++) { 14675 PackageParser.Package childPkg = pkg.childPackages.get(i); 14676 mSettings.enableSystemPackageLPw(childPkg.packageName); 14677 } 14678 } 14679 14680 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14681 PackageParser.Package newPkg) { 14682 // Disable the parent package (parent always replaced) 14683 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14684 // Disable the child packages 14685 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14686 for (int i = 0; i < childCount; i++) { 14687 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14688 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14689 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14690 } 14691 return disabled; 14692 } 14693 14694 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14695 String installerPackageName) { 14696 // Enable the parent package 14697 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14698 // Enable the child packages 14699 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14700 for (int i = 0; i < childCount; i++) { 14701 PackageParser.Package childPkg = pkg.childPackages.get(i); 14702 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14703 } 14704 } 14705 14706 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14707 // Collect all used permissions in the UID 14708 ArraySet<String> usedPermissions = new ArraySet<>(); 14709 final int packageCount = su.packages.size(); 14710 for (int i = 0; i < packageCount; i++) { 14711 PackageSetting ps = su.packages.valueAt(i); 14712 if (ps.pkg == null) { 14713 continue; 14714 } 14715 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14716 for (int j = 0; j < requestedPermCount; j++) { 14717 String permission = ps.pkg.requestedPermissions.get(j); 14718 BasePermission bp = mSettings.mPermissions.get(permission); 14719 if (bp != null) { 14720 usedPermissions.add(permission); 14721 } 14722 } 14723 } 14724 14725 PermissionsState permissionsState = su.getPermissionsState(); 14726 // Prune install permissions 14727 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14728 final int installPermCount = installPermStates.size(); 14729 for (int i = installPermCount - 1; i >= 0; i--) { 14730 PermissionState permissionState = installPermStates.get(i); 14731 if (!usedPermissions.contains(permissionState.getName())) { 14732 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14733 if (bp != null) { 14734 permissionsState.revokeInstallPermission(bp); 14735 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14736 PackageManager.MASK_PERMISSION_FLAGS, 0); 14737 } 14738 } 14739 } 14740 14741 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14742 14743 // Prune runtime permissions 14744 for (int userId : allUserIds) { 14745 List<PermissionState> runtimePermStates = permissionsState 14746 .getRuntimePermissionStates(userId); 14747 final int runtimePermCount = runtimePermStates.size(); 14748 for (int i = runtimePermCount - 1; i >= 0; i--) { 14749 PermissionState permissionState = runtimePermStates.get(i); 14750 if (!usedPermissions.contains(permissionState.getName())) { 14751 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14752 if (bp != null) { 14753 permissionsState.revokeRuntimePermission(bp, userId); 14754 permissionsState.updatePermissionFlags(bp, userId, 14755 PackageManager.MASK_PERMISSION_FLAGS, 0); 14756 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14757 runtimePermissionChangedUserIds, userId); 14758 } 14759 } 14760 } 14761 } 14762 14763 return runtimePermissionChangedUserIds; 14764 } 14765 14766 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14767 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14768 // Update the parent package setting 14769 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14770 res, user); 14771 // Update the child packages setting 14772 final int childCount = (newPackage.childPackages != null) 14773 ? newPackage.childPackages.size() : 0; 14774 for (int i = 0; i < childCount; i++) { 14775 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14776 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14777 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14778 childRes.origUsers, childRes, user); 14779 } 14780 } 14781 14782 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14783 String installerPackageName, int[] allUsers, int[] installedForUsers, 14784 PackageInstalledInfo res, UserHandle user) { 14785 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14786 14787 String pkgName = newPackage.packageName; 14788 synchronized (mPackages) { 14789 //write settings. the installStatus will be incomplete at this stage. 14790 //note that the new package setting would have already been 14791 //added to mPackages. It hasn't been persisted yet. 14792 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14793 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14794 mSettings.writeLPr(); 14795 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14796 } 14797 14798 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14799 synchronized (mPackages) { 14800 updatePermissionsLPw(newPackage.packageName, newPackage, 14801 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14802 ? UPDATE_PERMISSIONS_ALL : 0)); 14803 // For system-bundled packages, we assume that installing an upgraded version 14804 // of the package implies that the user actually wants to run that new code, 14805 // so we enable the package. 14806 PackageSetting ps = mSettings.mPackages.get(pkgName); 14807 final int userId = user.getIdentifier(); 14808 if (ps != null) { 14809 if (isSystemApp(newPackage)) { 14810 if (DEBUG_INSTALL) { 14811 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14812 } 14813 // Enable system package for requested users 14814 if (res.origUsers != null) { 14815 for (int origUserId : res.origUsers) { 14816 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14817 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14818 origUserId, installerPackageName); 14819 } 14820 } 14821 } 14822 // Also convey the prior install/uninstall state 14823 if (allUsers != null && installedForUsers != null) { 14824 for (int currentUserId : allUsers) { 14825 final boolean installed = ArrayUtils.contains( 14826 installedForUsers, currentUserId); 14827 if (DEBUG_INSTALL) { 14828 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14829 } 14830 ps.setInstalled(installed, currentUserId); 14831 } 14832 // these install state changes will be persisted in the 14833 // upcoming call to mSettings.writeLPr(). 14834 } 14835 } 14836 // It's implied that when a user requests installation, they want the app to be 14837 // installed and enabled. 14838 if (userId != UserHandle.USER_ALL) { 14839 ps.setInstalled(true, userId); 14840 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14841 } 14842 } 14843 res.name = pkgName; 14844 res.uid = newPackage.applicationInfo.uid; 14845 res.pkg = newPackage; 14846 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14847 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14848 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14849 //to update install status 14850 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14851 mSettings.writeLPr(); 14852 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14853 } 14854 14855 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14856 } 14857 14858 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14859 try { 14860 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14861 installPackageLI(args, res); 14862 } finally { 14863 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14864 } 14865 } 14866 14867 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14868 final int installFlags = args.installFlags; 14869 final String installerPackageName = args.installerPackageName; 14870 final String volumeUuid = args.volumeUuid; 14871 final File tmpPackageFile = new File(args.getCodePath()); 14872 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14873 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14874 || (args.volumeUuid != null)); 14875 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14876 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14877 boolean replace = false; 14878 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14879 if (args.move != null) { 14880 // moving a complete application; perform an initial scan on the new install location 14881 scanFlags |= SCAN_INITIAL; 14882 } 14883 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14884 scanFlags |= SCAN_DONT_KILL_APP; 14885 } 14886 14887 // Result object to be returned 14888 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14889 14890 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14891 14892 // Sanity check 14893 if (ephemeral && (forwardLocked || onExternal)) { 14894 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14895 + " external=" + onExternal); 14896 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14897 return; 14898 } 14899 14900 // Retrieve PackageSettings and parse package 14901 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14902 | PackageParser.PARSE_ENFORCE_CODE 14903 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14904 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14905 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14906 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14907 PackageParser pp = new PackageParser(); 14908 pp.setSeparateProcesses(mSeparateProcesses); 14909 pp.setDisplayMetrics(mMetrics); 14910 14911 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14912 final PackageParser.Package pkg; 14913 try { 14914 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14915 } catch (PackageParserException e) { 14916 res.setError("Failed parse during installPackageLI", e); 14917 return; 14918 } finally { 14919 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14920 } 14921 14922 // If we are installing a clustered package add results for the children 14923 if (pkg.childPackages != null) { 14924 synchronized (mPackages) { 14925 final int childCount = pkg.childPackages.size(); 14926 for (int i = 0; i < childCount; i++) { 14927 PackageParser.Package childPkg = pkg.childPackages.get(i); 14928 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14929 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14930 childRes.pkg = childPkg; 14931 childRes.name = childPkg.packageName; 14932 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14933 if (childPs != null) { 14934 childRes.origUsers = childPs.queryInstalledUsers( 14935 sUserManager.getUserIds(), true); 14936 } 14937 if ((mPackages.containsKey(childPkg.packageName))) { 14938 childRes.removedInfo = new PackageRemovedInfo(); 14939 childRes.removedInfo.removedPackage = childPkg.packageName; 14940 } 14941 if (res.addedChildPackages == null) { 14942 res.addedChildPackages = new ArrayMap<>(); 14943 } 14944 res.addedChildPackages.put(childPkg.packageName, childRes); 14945 } 14946 } 14947 } 14948 14949 // If package doesn't declare API override, mark that we have an install 14950 // time CPU ABI override. 14951 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14952 pkg.cpuAbiOverride = args.abiOverride; 14953 } 14954 14955 String pkgName = res.name = pkg.packageName; 14956 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14957 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14958 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14959 return; 14960 } 14961 } 14962 14963 try { 14964 // either use what we've been given or parse directly from the APK 14965 if (args.certificates != null) { 14966 try { 14967 PackageParser.populateCertificates(pkg, args.certificates); 14968 } catch (PackageParserException e) { 14969 // there was something wrong with the certificates we were given; 14970 // try to pull them from the APK 14971 PackageParser.collectCertificates(pkg, parseFlags); 14972 } 14973 } else { 14974 PackageParser.collectCertificates(pkg, parseFlags); 14975 } 14976 } catch (PackageParserException e) { 14977 res.setError("Failed collect during installPackageLI", e); 14978 return; 14979 } 14980 14981 // Get rid of all references to package scan path via parser. 14982 pp = null; 14983 String oldCodePath = null; 14984 boolean systemApp = false; 14985 synchronized (mPackages) { 14986 // Check if installing already existing package 14987 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14988 String oldName = mSettings.mRenamedPackages.get(pkgName); 14989 if (pkg.mOriginalPackages != null 14990 && pkg.mOriginalPackages.contains(oldName) 14991 && mPackages.containsKey(oldName)) { 14992 // This package is derived from an original package, 14993 // and this device has been updating from that original 14994 // name. We must continue using the original name, so 14995 // rename the new package here. 14996 pkg.setPackageName(oldName); 14997 pkgName = pkg.packageName; 14998 replace = true; 14999 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 15000 + oldName + " pkgName=" + pkgName); 15001 } else if (mPackages.containsKey(pkgName)) { 15002 // This package, under its official name, already exists 15003 // on the device; we should replace it. 15004 replace = true; 15005 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 15006 } 15007 15008 // Child packages are installed through the parent package 15009 if (pkg.parentPackage != null) { 15010 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15011 "Package " + pkg.packageName + " is child of package " 15012 + pkg.parentPackage.parentPackage + ". Child packages " 15013 + "can be updated only through the parent package."); 15014 return; 15015 } 15016 15017 if (replace) { 15018 // Prevent apps opting out from runtime permissions 15019 PackageParser.Package oldPackage = mPackages.get(pkgName); 15020 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 15021 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 15022 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 15023 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 15024 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 15025 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 15026 + " doesn't support runtime permissions but the old" 15027 + " target SDK " + oldTargetSdk + " does."); 15028 return; 15029 } 15030 15031 // Prevent installing of child packages 15032 if (oldPackage.parentPackage != null) { 15033 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15034 "Package " + pkg.packageName + " is child of package " 15035 + oldPackage.parentPackage + ". Child packages " 15036 + "can be updated only through the parent package."); 15037 return; 15038 } 15039 } 15040 } 15041 15042 PackageSetting ps = mSettings.mPackages.get(pkgName); 15043 if (ps != null) { 15044 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15045 15046 // Quick sanity check that we're signed correctly if updating; 15047 // we'll check this again later when scanning, but we want to 15048 // bail early here before tripping over redefined permissions. 15049 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15050 if (!checkUpgradeKeySetLP(ps, pkg)) { 15051 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15052 + pkg.packageName + " upgrade keys do not match the " 15053 + "previously installed version"); 15054 return; 15055 } 15056 } else { 15057 try { 15058 verifySignaturesLP(ps, pkg); 15059 } catch (PackageManagerException e) { 15060 res.setError(e.error, e.getMessage()); 15061 return; 15062 } 15063 } 15064 15065 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15066 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15067 systemApp = (ps.pkg.applicationInfo.flags & 15068 ApplicationInfo.FLAG_SYSTEM) != 0; 15069 } 15070 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15071 } 15072 15073 // Check whether the newly-scanned package wants to define an already-defined perm 15074 int N = pkg.permissions.size(); 15075 for (int i = N-1; i >= 0; i--) { 15076 PackageParser.Permission perm = pkg.permissions.get(i); 15077 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15078 if (bp != null) { 15079 // If the defining package is signed with our cert, it's okay. This 15080 // also includes the "updating the same package" case, of course. 15081 // "updating same package" could also involve key-rotation. 15082 final boolean sigsOk; 15083 if (bp.sourcePackage.equals(pkg.packageName) 15084 && (bp.packageSetting instanceof PackageSetting) 15085 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15086 scanFlags))) { 15087 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15088 } else { 15089 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15090 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15091 } 15092 if (!sigsOk) { 15093 // If the owning package is the system itself, we log but allow 15094 // install to proceed; we fail the install on all other permission 15095 // redefinitions. 15096 if (!bp.sourcePackage.equals("android")) { 15097 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15098 + pkg.packageName + " attempting to redeclare permission " 15099 + perm.info.name + " already owned by " + bp.sourcePackage); 15100 res.origPermission = perm.info.name; 15101 res.origPackage = bp.sourcePackage; 15102 return; 15103 } else { 15104 Slog.w(TAG, "Package " + pkg.packageName 15105 + " attempting to redeclare system permission " 15106 + perm.info.name + "; ignoring new declaration"); 15107 pkg.permissions.remove(i); 15108 } 15109 } 15110 } 15111 } 15112 } 15113 15114 if (systemApp) { 15115 if (onExternal) { 15116 // Abort update; system app can't be replaced with app on sdcard 15117 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15118 "Cannot install updates to system apps on sdcard"); 15119 return; 15120 } else if (ephemeral) { 15121 // Abort update; system app can't be replaced with an ephemeral app 15122 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15123 "Cannot update a system app with an ephemeral app"); 15124 return; 15125 } 15126 } 15127 15128 if (args.move != null) { 15129 // We did an in-place move, so dex is ready to roll 15130 scanFlags |= SCAN_NO_DEX; 15131 scanFlags |= SCAN_MOVE; 15132 15133 synchronized (mPackages) { 15134 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15135 if (ps == null) { 15136 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15137 "Missing settings for moved package " + pkgName); 15138 } 15139 15140 // We moved the entire application as-is, so bring over the 15141 // previously derived ABI information. 15142 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15143 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15144 } 15145 15146 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15147 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15148 scanFlags |= SCAN_NO_DEX; 15149 15150 try { 15151 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15152 args.abiOverride : pkg.cpuAbiOverride); 15153 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15154 true /* extract libs */); 15155 } catch (PackageManagerException pme) { 15156 Slog.e(TAG, "Error deriving application ABI", pme); 15157 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15158 return; 15159 } 15160 15161 // Shared libraries for the package need to be updated. 15162 synchronized (mPackages) { 15163 try { 15164 updateSharedLibrariesLPw(pkg, null); 15165 } catch (PackageManagerException e) { 15166 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15167 } 15168 } 15169 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15170 // Do not run PackageDexOptimizer through the local performDexOpt 15171 // method because `pkg` may not be in `mPackages` yet. 15172 // 15173 // Also, don't fail application installs if the dexopt step fails. 15174 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15175 null /* instructionSets */, false /* checkProfiles */, 15176 getCompilerFilterForReason(REASON_INSTALL)); 15177 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15178 15179 // Notify BackgroundDexOptService that the package has been changed. 15180 // If this is an update of a package which used to fail to compile, 15181 // BDOS will remove it from its blacklist. 15182 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15183 } 15184 15185 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15186 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15187 return; 15188 } 15189 15190 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15191 15192 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15193 "installPackageLI")) { 15194 if (replace) { 15195 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15196 installerPackageName, res); 15197 } else { 15198 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15199 args.user, installerPackageName, volumeUuid, res); 15200 } 15201 } 15202 synchronized (mPackages) { 15203 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15204 if (ps != null) { 15205 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15206 } 15207 15208 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15209 for (int i = 0; i < childCount; i++) { 15210 PackageParser.Package childPkg = pkg.childPackages.get(i); 15211 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15212 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15213 if (childPs != null) { 15214 childRes.newUsers = childPs.queryInstalledUsers( 15215 sUserManager.getUserIds(), true); 15216 } 15217 } 15218 } 15219 } 15220 15221 private void startIntentFilterVerifications(int userId, boolean replacing, 15222 PackageParser.Package pkg) { 15223 if (mIntentFilterVerifierComponent == null) { 15224 Slog.w(TAG, "No IntentFilter verification will not be done as " 15225 + "there is no IntentFilterVerifier available!"); 15226 return; 15227 } 15228 15229 final int verifierUid = getPackageUid( 15230 mIntentFilterVerifierComponent.getPackageName(), 15231 MATCH_DEBUG_TRIAGED_MISSING, 15232 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15233 15234 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15235 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15236 mHandler.sendMessage(msg); 15237 15238 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15239 for (int i = 0; i < childCount; i++) { 15240 PackageParser.Package childPkg = pkg.childPackages.get(i); 15241 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15242 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15243 mHandler.sendMessage(msg); 15244 } 15245 } 15246 15247 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15248 PackageParser.Package pkg) { 15249 int size = pkg.activities.size(); 15250 if (size == 0) { 15251 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15252 "No activity, so no need to verify any IntentFilter!"); 15253 return; 15254 } 15255 15256 final boolean hasDomainURLs = hasDomainURLs(pkg); 15257 if (!hasDomainURLs) { 15258 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15259 "No domain URLs, so no need to verify any IntentFilter!"); 15260 return; 15261 } 15262 15263 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15264 + " if any IntentFilter from the " + size 15265 + " Activities needs verification ..."); 15266 15267 int count = 0; 15268 final String packageName = pkg.packageName; 15269 15270 synchronized (mPackages) { 15271 // If this is a new install and we see that we've already run verification for this 15272 // package, we have nothing to do: it means the state was restored from backup. 15273 if (!replacing) { 15274 IntentFilterVerificationInfo ivi = 15275 mSettings.getIntentFilterVerificationLPr(packageName); 15276 if (ivi != null) { 15277 if (DEBUG_DOMAIN_VERIFICATION) { 15278 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15279 + ivi.getStatusString()); 15280 } 15281 return; 15282 } 15283 } 15284 15285 // If any filters need to be verified, then all need to be. 15286 boolean needToVerify = false; 15287 for (PackageParser.Activity a : pkg.activities) { 15288 for (ActivityIntentInfo filter : a.intents) { 15289 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15290 if (DEBUG_DOMAIN_VERIFICATION) { 15291 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15292 } 15293 needToVerify = true; 15294 break; 15295 } 15296 } 15297 } 15298 15299 if (needToVerify) { 15300 final int verificationId = mIntentFilterVerificationToken++; 15301 for (PackageParser.Activity a : pkg.activities) { 15302 for (ActivityIntentInfo filter : a.intents) { 15303 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15304 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15305 "Verification needed for IntentFilter:" + filter.toString()); 15306 mIntentFilterVerifier.addOneIntentFilterVerification( 15307 verifierUid, userId, verificationId, filter, packageName); 15308 count++; 15309 } 15310 } 15311 } 15312 } 15313 } 15314 15315 if (count > 0) { 15316 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15317 + " IntentFilter verification" + (count > 1 ? "s" : "") 15318 + " for userId:" + userId); 15319 mIntentFilterVerifier.startVerifications(userId); 15320 } else { 15321 if (DEBUG_DOMAIN_VERIFICATION) { 15322 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15323 } 15324 } 15325 } 15326 15327 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15328 final ComponentName cn = filter.activity.getComponentName(); 15329 final String packageName = cn.getPackageName(); 15330 15331 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15332 packageName); 15333 if (ivi == null) { 15334 return true; 15335 } 15336 int status = ivi.getStatus(); 15337 switch (status) { 15338 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15339 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15340 return true; 15341 15342 default: 15343 // Nothing to do 15344 return false; 15345 } 15346 } 15347 15348 private static boolean isMultiArch(ApplicationInfo info) { 15349 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15350 } 15351 15352 private static boolean isExternal(PackageParser.Package pkg) { 15353 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15354 } 15355 15356 private static boolean isExternal(PackageSetting ps) { 15357 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15358 } 15359 15360 private static boolean isEphemeral(PackageParser.Package pkg) { 15361 return pkg.applicationInfo.isEphemeralApp(); 15362 } 15363 15364 private static boolean isEphemeral(PackageSetting ps) { 15365 return ps.pkg != null && isEphemeral(ps.pkg); 15366 } 15367 15368 private static boolean isSystemApp(PackageParser.Package pkg) { 15369 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15370 } 15371 15372 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15373 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15374 } 15375 15376 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15377 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15378 } 15379 15380 private static boolean isSystemApp(PackageSetting ps) { 15381 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15382 } 15383 15384 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15385 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15386 } 15387 15388 private int packageFlagsToInstallFlags(PackageSetting ps) { 15389 int installFlags = 0; 15390 if (isEphemeral(ps)) { 15391 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15392 } 15393 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15394 // This existing package was an external ASEC install when we have 15395 // the external flag without a UUID 15396 installFlags |= PackageManager.INSTALL_EXTERNAL; 15397 } 15398 if (ps.isForwardLocked()) { 15399 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15400 } 15401 return installFlags; 15402 } 15403 15404 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15405 if (isExternal(pkg)) { 15406 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15407 return StorageManager.UUID_PRIMARY_PHYSICAL; 15408 } else { 15409 return pkg.volumeUuid; 15410 } 15411 } else { 15412 return StorageManager.UUID_PRIVATE_INTERNAL; 15413 } 15414 } 15415 15416 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15417 if (isExternal(pkg)) { 15418 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15419 return mSettings.getExternalVersion(); 15420 } else { 15421 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15422 } 15423 } else { 15424 return mSettings.getInternalVersion(); 15425 } 15426 } 15427 15428 private void deleteTempPackageFiles() { 15429 final FilenameFilter filter = new FilenameFilter() { 15430 public boolean accept(File dir, String name) { 15431 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15432 } 15433 }; 15434 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15435 file.delete(); 15436 } 15437 } 15438 15439 @Override 15440 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15441 int flags) { 15442 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15443 flags); 15444 } 15445 15446 @Override 15447 public void deletePackage(final String packageName, 15448 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15449 mContext.enforceCallingOrSelfPermission( 15450 android.Manifest.permission.DELETE_PACKAGES, null); 15451 Preconditions.checkNotNull(packageName); 15452 Preconditions.checkNotNull(observer); 15453 final int uid = Binder.getCallingUid(); 15454 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15455 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15456 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15457 mContext.enforceCallingOrSelfPermission( 15458 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15459 "deletePackage for user " + userId); 15460 } 15461 15462 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15463 try { 15464 observer.onPackageDeleted(packageName, 15465 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15466 } catch (RemoteException re) { 15467 } 15468 return; 15469 } 15470 15471 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15472 try { 15473 observer.onPackageDeleted(packageName, 15474 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15475 } catch (RemoteException re) { 15476 } 15477 return; 15478 } 15479 15480 if (DEBUG_REMOVE) { 15481 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15482 + " deleteAllUsers: " + deleteAllUsers ); 15483 } 15484 // Queue up an async operation since the package deletion may take a little while. 15485 mHandler.post(new Runnable() { 15486 public void run() { 15487 mHandler.removeCallbacks(this); 15488 int returnCode; 15489 if (!deleteAllUsers) { 15490 returnCode = deletePackageX(packageName, userId, deleteFlags); 15491 } else { 15492 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15493 // If nobody is blocking uninstall, proceed with delete for all users 15494 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15495 returnCode = deletePackageX(packageName, userId, deleteFlags); 15496 } else { 15497 // Otherwise uninstall individually for users with blockUninstalls=false 15498 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15499 for (int userId : users) { 15500 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15501 returnCode = deletePackageX(packageName, userId, userFlags); 15502 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15503 Slog.w(TAG, "Package delete failed for user " + userId 15504 + ", returnCode " + returnCode); 15505 } 15506 } 15507 } 15508 // The app has only been marked uninstalled for certain users. 15509 // We still need to report that delete was blocked 15510 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15511 } 15512 } 15513 try { 15514 observer.onPackageDeleted(packageName, returnCode, null); 15515 } catch (RemoteException e) { 15516 Log.i(TAG, "Observer no longer exists."); 15517 } //end catch 15518 } //end run 15519 }); 15520 } 15521 15522 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15523 int[] result = EMPTY_INT_ARRAY; 15524 for (int userId : userIds) { 15525 if (getBlockUninstallForUser(packageName, userId)) { 15526 result = ArrayUtils.appendInt(result, userId); 15527 } 15528 } 15529 return result; 15530 } 15531 15532 @Override 15533 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15534 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15535 } 15536 15537 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15538 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15539 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15540 try { 15541 if (dpm != null) { 15542 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15543 /* callingUserOnly =*/ false); 15544 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15545 : deviceOwnerComponentName.getPackageName(); 15546 // Does the package contains the device owner? 15547 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15548 // this check is probably not needed, since DO should be registered as a device 15549 // admin on some user too. (Original bug for this: b/17657954) 15550 if (packageName.equals(deviceOwnerPackageName)) { 15551 return true; 15552 } 15553 // Does it contain a device admin for any user? 15554 int[] users; 15555 if (userId == UserHandle.USER_ALL) { 15556 users = sUserManager.getUserIds(); 15557 } else { 15558 users = new int[]{userId}; 15559 } 15560 for (int i = 0; i < users.length; ++i) { 15561 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15562 return true; 15563 } 15564 } 15565 } 15566 } catch (RemoteException e) { 15567 } 15568 return false; 15569 } 15570 15571 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15572 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15573 } 15574 15575 /** 15576 * This method is an internal method that could be get invoked either 15577 * to delete an installed package or to clean up a failed installation. 15578 * After deleting an installed package, a broadcast is sent to notify any 15579 * listeners that the package has been removed. For cleaning up a failed 15580 * installation, the broadcast is not necessary since the package's 15581 * installation wouldn't have sent the initial broadcast either 15582 * The key steps in deleting a package are 15583 * deleting the package information in internal structures like mPackages, 15584 * deleting the packages base directories through installd 15585 * updating mSettings to reflect current status 15586 * persisting settings for later use 15587 * sending a broadcast if necessary 15588 */ 15589 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15590 final PackageRemovedInfo info = new PackageRemovedInfo(); 15591 final boolean res; 15592 15593 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15594 ? UserHandle.USER_ALL : userId; 15595 15596 if (isPackageDeviceAdmin(packageName, removeUser)) { 15597 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15598 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15599 } 15600 15601 PackageSetting uninstalledPs = null; 15602 15603 // for the uninstall-updates case and restricted profiles, remember the per- 15604 // user handle installed state 15605 int[] allUsers; 15606 synchronized (mPackages) { 15607 uninstalledPs = mSettings.mPackages.get(packageName); 15608 if (uninstalledPs == null) { 15609 Slog.w(TAG, "Not removing non-existent package " + packageName); 15610 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15611 } 15612 allUsers = sUserManager.getUserIds(); 15613 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15614 } 15615 15616 final int freezeUser; 15617 if (isUpdatedSystemApp(uninstalledPs) 15618 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 15619 // We're downgrading a system app, which will apply to all users, so 15620 // freeze them all during the downgrade 15621 freezeUser = UserHandle.USER_ALL; 15622 } else { 15623 freezeUser = removeUser; 15624 } 15625 15626 synchronized (mInstallLock) { 15627 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15628 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 15629 deleteFlags, "deletePackageX")) { 15630 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 15631 deleteFlags | REMOVE_CHATTY, info, true, null); 15632 } 15633 synchronized (mPackages) { 15634 if (res) { 15635 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15636 } 15637 } 15638 } 15639 15640 if (res) { 15641 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15642 info.sendPackageRemovedBroadcasts(killApp); 15643 info.sendSystemPackageUpdatedBroadcasts(); 15644 info.sendSystemPackageAppearedBroadcasts(); 15645 } 15646 // Force a gc here. 15647 Runtime.getRuntime().gc(); 15648 // Delete the resources here after sending the broadcast to let 15649 // other processes clean up before deleting resources. 15650 if (info.args != null) { 15651 synchronized (mInstallLock) { 15652 info.args.doPostDeleteLI(true); 15653 } 15654 } 15655 15656 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15657 } 15658 15659 class PackageRemovedInfo { 15660 String removedPackage; 15661 int uid = -1; 15662 int removedAppId = -1; 15663 int[] origUsers; 15664 int[] removedUsers = null; 15665 boolean isRemovedPackageSystemUpdate = false; 15666 boolean isUpdate; 15667 boolean dataRemoved; 15668 boolean removedForAllUsers; 15669 // Clean up resources deleted packages. 15670 InstallArgs args = null; 15671 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15672 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15673 15674 void sendPackageRemovedBroadcasts(boolean killApp) { 15675 sendPackageRemovedBroadcastInternal(killApp); 15676 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15677 for (int i = 0; i < childCount; i++) { 15678 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15679 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15680 } 15681 } 15682 15683 void sendSystemPackageUpdatedBroadcasts() { 15684 if (isRemovedPackageSystemUpdate) { 15685 sendSystemPackageUpdatedBroadcastsInternal(); 15686 final int childCount = (removedChildPackages != null) 15687 ? removedChildPackages.size() : 0; 15688 for (int i = 0; i < childCount; i++) { 15689 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15690 if (childInfo.isRemovedPackageSystemUpdate) { 15691 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15692 } 15693 } 15694 } 15695 } 15696 15697 void sendSystemPackageAppearedBroadcasts() { 15698 final int packageCount = (appearedChildPackages != null) 15699 ? appearedChildPackages.size() : 0; 15700 for (int i = 0; i < packageCount; i++) { 15701 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15702 for (int userId : installedInfo.newUsers) { 15703 sendPackageAddedForUser(installedInfo.name, true, 15704 UserHandle.getAppId(installedInfo.uid), userId); 15705 } 15706 } 15707 } 15708 15709 private void sendSystemPackageUpdatedBroadcastsInternal() { 15710 Bundle extras = new Bundle(2); 15711 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15712 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15713 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15714 extras, 0, null, null, null); 15715 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15716 extras, 0, null, null, null); 15717 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15718 null, 0, removedPackage, null, null); 15719 } 15720 15721 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15722 Bundle extras = new Bundle(2); 15723 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15724 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15725 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15726 if (isUpdate || isRemovedPackageSystemUpdate) { 15727 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15728 } 15729 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15730 if (removedPackage != null) { 15731 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15732 extras, 0, null, null, removedUsers); 15733 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15734 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15735 removedPackage, extras, 0, null, null, removedUsers); 15736 } 15737 } 15738 if (removedAppId >= 0) { 15739 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15740 removedUsers); 15741 } 15742 } 15743 } 15744 15745 /* 15746 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15747 * flag is not set, the data directory is removed as well. 15748 * make sure this flag is set for partially installed apps. If not its meaningless to 15749 * delete a partially installed application. 15750 */ 15751 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15752 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15753 String packageName = ps.name; 15754 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15755 // Retrieve object to delete permissions for shared user later on 15756 final PackageParser.Package deletedPkg; 15757 final PackageSetting deletedPs; 15758 // reader 15759 synchronized (mPackages) { 15760 deletedPkg = mPackages.get(packageName); 15761 deletedPs = mSettings.mPackages.get(packageName); 15762 if (outInfo != null) { 15763 outInfo.removedPackage = packageName; 15764 outInfo.removedUsers = deletedPs != null 15765 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15766 : null; 15767 } 15768 } 15769 15770 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15771 15772 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15773 final PackageParser.Package resolvedPkg; 15774 if (deletedPkg != null) { 15775 resolvedPkg = deletedPkg; 15776 } else { 15777 // We don't have a parsed package when it lives on an ejected 15778 // adopted storage device, so fake something together 15779 resolvedPkg = new PackageParser.Package(ps.name); 15780 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15781 } 15782 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15783 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15784 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15785 if (outInfo != null) { 15786 outInfo.dataRemoved = true; 15787 } 15788 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15789 } 15790 15791 // writer 15792 synchronized (mPackages) { 15793 if (deletedPs != null) { 15794 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15795 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15796 clearDefaultBrowserIfNeeded(packageName); 15797 if (outInfo != null) { 15798 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15799 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15800 } 15801 updatePermissionsLPw(deletedPs.name, null, 0); 15802 if (deletedPs.sharedUser != null) { 15803 // Remove permissions associated with package. Since runtime 15804 // permissions are per user we have to kill the removed package 15805 // or packages running under the shared user of the removed 15806 // package if revoking the permissions requested only by the removed 15807 // package is successful and this causes a change in gids. 15808 for (int userId : UserManagerService.getInstance().getUserIds()) { 15809 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15810 userId); 15811 if (userIdToKill == UserHandle.USER_ALL 15812 || userIdToKill >= UserHandle.USER_SYSTEM) { 15813 // If gids changed for this user, kill all affected packages. 15814 mHandler.post(new Runnable() { 15815 @Override 15816 public void run() { 15817 // This has to happen with no lock held. 15818 killApplication(deletedPs.name, deletedPs.appId, 15819 KILL_APP_REASON_GIDS_CHANGED); 15820 } 15821 }); 15822 break; 15823 } 15824 } 15825 } 15826 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15827 } 15828 // make sure to preserve per-user disabled state if this removal was just 15829 // a downgrade of a system app to the factory package 15830 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15831 if (DEBUG_REMOVE) { 15832 Slog.d(TAG, "Propagating install state across downgrade"); 15833 } 15834 for (int userId : allUserHandles) { 15835 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15836 if (DEBUG_REMOVE) { 15837 Slog.d(TAG, " user " + userId + " => " + installed); 15838 } 15839 ps.setInstalled(installed, userId); 15840 } 15841 } 15842 } 15843 // can downgrade to reader 15844 if (writeSettings) { 15845 // Save settings now 15846 mSettings.writeLPr(); 15847 } 15848 } 15849 if (outInfo != null) { 15850 // A user ID was deleted here. Go through all users and remove it 15851 // from KeyStore. 15852 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15853 } 15854 } 15855 15856 static boolean locationIsPrivileged(File path) { 15857 try { 15858 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15859 .getCanonicalPath(); 15860 return path.getCanonicalPath().startsWith(privilegedAppDir); 15861 } catch (IOException e) { 15862 Slog.e(TAG, "Unable to access code path " + path); 15863 } 15864 return false; 15865 } 15866 15867 /* 15868 * Tries to delete system package. 15869 */ 15870 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15871 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15872 boolean writeSettings) { 15873 if (deletedPs.parentPackageName != null) { 15874 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15875 return false; 15876 } 15877 15878 final boolean applyUserRestrictions 15879 = (allUserHandles != null) && (outInfo.origUsers != null); 15880 final PackageSetting disabledPs; 15881 // Confirm if the system package has been updated 15882 // An updated system app can be deleted. This will also have to restore 15883 // the system pkg from system partition 15884 // reader 15885 synchronized (mPackages) { 15886 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15887 } 15888 15889 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15890 + " disabledPs=" + disabledPs); 15891 15892 if (disabledPs == null) { 15893 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15894 return false; 15895 } else if (DEBUG_REMOVE) { 15896 Slog.d(TAG, "Deleting system pkg from data partition"); 15897 } 15898 15899 if (DEBUG_REMOVE) { 15900 if (applyUserRestrictions) { 15901 Slog.d(TAG, "Remembering install states:"); 15902 for (int userId : allUserHandles) { 15903 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15904 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15905 } 15906 } 15907 } 15908 15909 // Delete the updated package 15910 outInfo.isRemovedPackageSystemUpdate = true; 15911 if (outInfo.removedChildPackages != null) { 15912 final int childCount = (deletedPs.childPackageNames != null) 15913 ? deletedPs.childPackageNames.size() : 0; 15914 for (int i = 0; i < childCount; i++) { 15915 String childPackageName = deletedPs.childPackageNames.get(i); 15916 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15917 .contains(childPackageName)) { 15918 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15919 childPackageName); 15920 if (childInfo != null) { 15921 childInfo.isRemovedPackageSystemUpdate = true; 15922 } 15923 } 15924 } 15925 } 15926 15927 if (disabledPs.versionCode < deletedPs.versionCode) { 15928 // Delete data for downgrades 15929 flags &= ~PackageManager.DELETE_KEEP_DATA; 15930 } else { 15931 // Preserve data by setting flag 15932 flags |= PackageManager.DELETE_KEEP_DATA; 15933 } 15934 15935 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15936 outInfo, writeSettings, disabledPs.pkg); 15937 if (!ret) { 15938 return false; 15939 } 15940 15941 // writer 15942 synchronized (mPackages) { 15943 // Reinstate the old system package 15944 enableSystemPackageLPw(disabledPs.pkg); 15945 // Remove any native libraries from the upgraded package. 15946 removeNativeBinariesLI(deletedPs); 15947 } 15948 15949 // Install the system package 15950 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15951 int parseFlags = mDefParseFlags 15952 | PackageParser.PARSE_MUST_BE_APK 15953 | PackageParser.PARSE_IS_SYSTEM 15954 | PackageParser.PARSE_IS_SYSTEM_DIR; 15955 if (locationIsPrivileged(disabledPs.codePath)) { 15956 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15957 } 15958 15959 final PackageParser.Package newPkg; 15960 try { 15961 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15962 } catch (PackageManagerException e) { 15963 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15964 + e.getMessage()); 15965 return false; 15966 } 15967 15968 prepareAppDataAfterInstallLIF(newPkg); 15969 15970 // writer 15971 synchronized (mPackages) { 15972 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15973 15974 // Propagate the permissions state as we do not want to drop on the floor 15975 // runtime permissions. The update permissions method below will take 15976 // care of removing obsolete permissions and grant install permissions. 15977 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15978 updatePermissionsLPw(newPkg.packageName, newPkg, 15979 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15980 15981 if (applyUserRestrictions) { 15982 if (DEBUG_REMOVE) { 15983 Slog.d(TAG, "Propagating install state across reinstall"); 15984 } 15985 for (int userId : allUserHandles) { 15986 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15987 if (DEBUG_REMOVE) { 15988 Slog.d(TAG, " user " + userId + " => " + installed); 15989 } 15990 ps.setInstalled(installed, userId); 15991 15992 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15993 } 15994 // Regardless of writeSettings we need to ensure that this restriction 15995 // state propagation is persisted 15996 mSettings.writeAllUsersPackageRestrictionsLPr(); 15997 } 15998 // can downgrade to reader here 15999 if (writeSettings) { 16000 mSettings.writeLPr(); 16001 } 16002 } 16003 return true; 16004 } 16005 16006 private boolean deleteInstalledPackageLIF(PackageSetting ps, 16007 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 16008 PackageRemovedInfo outInfo, boolean writeSettings, 16009 PackageParser.Package replacingPackage) { 16010 synchronized (mPackages) { 16011 if (outInfo != null) { 16012 outInfo.uid = ps.appId; 16013 } 16014 16015 if (outInfo != null && outInfo.removedChildPackages != null) { 16016 final int childCount = (ps.childPackageNames != null) 16017 ? ps.childPackageNames.size() : 0; 16018 for (int i = 0; i < childCount; i++) { 16019 String childPackageName = ps.childPackageNames.get(i); 16020 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 16021 if (childPs == null) { 16022 return false; 16023 } 16024 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 16025 childPackageName); 16026 if (childInfo != null) { 16027 childInfo.uid = childPs.appId; 16028 } 16029 } 16030 } 16031 } 16032 16033 // Delete package data from internal structures and also remove data if flag is set 16034 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16035 16036 // Delete the child packages data 16037 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16038 for (int i = 0; i < childCount; i++) { 16039 PackageSetting childPs; 16040 synchronized (mPackages) { 16041 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16042 } 16043 if (childPs != null) { 16044 PackageRemovedInfo childOutInfo = (outInfo != null 16045 && outInfo.removedChildPackages != null) 16046 ? outInfo.removedChildPackages.get(childPs.name) : null; 16047 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16048 && (replacingPackage != null 16049 && !replacingPackage.hasChildPackage(childPs.name)) 16050 ? flags & ~DELETE_KEEP_DATA : flags; 16051 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16052 deleteFlags, writeSettings); 16053 } 16054 } 16055 16056 // Delete application code and resources only for parent packages 16057 if (ps.parentPackageName == null) { 16058 if (deleteCodeAndResources && (outInfo != null)) { 16059 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16060 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16061 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16062 } 16063 } 16064 16065 return true; 16066 } 16067 16068 @Override 16069 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16070 int userId) { 16071 mContext.enforceCallingOrSelfPermission( 16072 android.Manifest.permission.DELETE_PACKAGES, null); 16073 synchronized (mPackages) { 16074 PackageSetting ps = mSettings.mPackages.get(packageName); 16075 if (ps == null) { 16076 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16077 return false; 16078 } 16079 if (!ps.getInstalled(userId)) { 16080 // Can't block uninstall for an app that is not installed or enabled. 16081 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16082 return false; 16083 } 16084 ps.setBlockUninstall(blockUninstall, userId); 16085 mSettings.writePackageRestrictionsLPr(userId); 16086 } 16087 return true; 16088 } 16089 16090 @Override 16091 public boolean getBlockUninstallForUser(String packageName, int userId) { 16092 synchronized (mPackages) { 16093 PackageSetting ps = mSettings.mPackages.get(packageName); 16094 if (ps == null) { 16095 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16096 return false; 16097 } 16098 return ps.getBlockUninstall(userId); 16099 } 16100 } 16101 16102 @Override 16103 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16104 int callingUid = Binder.getCallingUid(); 16105 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16106 throw new SecurityException( 16107 "setRequiredForSystemUser can only be run by the system or root"); 16108 } 16109 synchronized (mPackages) { 16110 PackageSetting ps = mSettings.mPackages.get(packageName); 16111 if (ps == null) { 16112 Log.w(TAG, "Package doesn't exist: " + packageName); 16113 return false; 16114 } 16115 if (systemUserApp) { 16116 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16117 } else { 16118 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16119 } 16120 mSettings.writeLPr(); 16121 } 16122 return true; 16123 } 16124 16125 /* 16126 * This method handles package deletion in general 16127 */ 16128 private boolean deletePackageLIF(String packageName, UserHandle user, 16129 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16130 PackageRemovedInfo outInfo, boolean writeSettings, 16131 PackageParser.Package replacingPackage) { 16132 if (packageName == null) { 16133 Slog.w(TAG, "Attempt to delete null packageName."); 16134 return false; 16135 } 16136 16137 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16138 16139 PackageSetting ps; 16140 16141 synchronized (mPackages) { 16142 ps = mSettings.mPackages.get(packageName); 16143 if (ps == null) { 16144 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16145 return false; 16146 } 16147 16148 if (ps.parentPackageName != null && (!isSystemApp(ps) 16149 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16150 if (DEBUG_REMOVE) { 16151 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16152 + ((user == null) ? UserHandle.USER_ALL : user)); 16153 } 16154 final int removedUserId = (user != null) ? user.getIdentifier() 16155 : UserHandle.USER_ALL; 16156 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16157 return false; 16158 } 16159 markPackageUninstalledForUserLPw(ps, user); 16160 scheduleWritePackageRestrictionsLocked(user); 16161 return true; 16162 } 16163 } 16164 16165 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16166 && user.getIdentifier() != UserHandle.USER_ALL)) { 16167 // The caller is asking that the package only be deleted for a single 16168 // user. To do this, we just mark its uninstalled state and delete 16169 // its data. If this is a system app, we only allow this to happen if 16170 // they have set the special DELETE_SYSTEM_APP which requests different 16171 // semantics than normal for uninstalling system apps. 16172 markPackageUninstalledForUserLPw(ps, user); 16173 16174 if (!isSystemApp(ps)) { 16175 // Do not uninstall the APK if an app should be cached 16176 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16177 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16178 // Other user still have this package installed, so all 16179 // we need to do is clear this user's data and save that 16180 // it is uninstalled. 16181 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16182 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16183 return false; 16184 } 16185 scheduleWritePackageRestrictionsLocked(user); 16186 return true; 16187 } else { 16188 // We need to set it back to 'installed' so the uninstall 16189 // broadcasts will be sent correctly. 16190 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16191 ps.setInstalled(true, user.getIdentifier()); 16192 } 16193 } else { 16194 // This is a system app, so we assume that the 16195 // other users still have this package installed, so all 16196 // we need to do is clear this user's data and save that 16197 // it is uninstalled. 16198 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16199 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16200 return false; 16201 } 16202 scheduleWritePackageRestrictionsLocked(user); 16203 return true; 16204 } 16205 } 16206 16207 // If we are deleting a composite package for all users, keep track 16208 // of result for each child. 16209 if (ps.childPackageNames != null && outInfo != null) { 16210 synchronized (mPackages) { 16211 final int childCount = ps.childPackageNames.size(); 16212 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16213 for (int i = 0; i < childCount; i++) { 16214 String childPackageName = ps.childPackageNames.get(i); 16215 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16216 childInfo.removedPackage = childPackageName; 16217 outInfo.removedChildPackages.put(childPackageName, childInfo); 16218 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16219 if (childPs != null) { 16220 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16221 } 16222 } 16223 } 16224 } 16225 16226 boolean ret = false; 16227 if (isSystemApp(ps)) { 16228 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16229 // When an updated system application is deleted we delete the existing resources 16230 // as well and fall back to existing code in system partition 16231 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16232 } else { 16233 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16234 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16235 outInfo, writeSettings, replacingPackage); 16236 } 16237 16238 // Take a note whether we deleted the package for all users 16239 if (outInfo != null) { 16240 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16241 if (outInfo.removedChildPackages != null) { 16242 synchronized (mPackages) { 16243 final int childCount = outInfo.removedChildPackages.size(); 16244 for (int i = 0; i < childCount; i++) { 16245 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16246 if (childInfo != null) { 16247 childInfo.removedForAllUsers = mPackages.get( 16248 childInfo.removedPackage) == null; 16249 } 16250 } 16251 } 16252 } 16253 // If we uninstalled an update to a system app there may be some 16254 // child packages that appeared as they are declared in the system 16255 // app but were not declared in the update. 16256 if (isSystemApp(ps)) { 16257 synchronized (mPackages) { 16258 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16259 final int childCount = (updatedPs.childPackageNames != null) 16260 ? updatedPs.childPackageNames.size() : 0; 16261 for (int i = 0; i < childCount; i++) { 16262 String childPackageName = updatedPs.childPackageNames.get(i); 16263 if (outInfo.removedChildPackages == null 16264 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16265 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16266 if (childPs == null) { 16267 continue; 16268 } 16269 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16270 installRes.name = childPackageName; 16271 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16272 installRes.pkg = mPackages.get(childPackageName); 16273 installRes.uid = childPs.pkg.applicationInfo.uid; 16274 if (outInfo.appearedChildPackages == null) { 16275 outInfo.appearedChildPackages = new ArrayMap<>(); 16276 } 16277 outInfo.appearedChildPackages.put(childPackageName, installRes); 16278 } 16279 } 16280 } 16281 } 16282 } 16283 16284 return ret; 16285 } 16286 16287 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16288 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16289 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16290 for (int nextUserId : userIds) { 16291 if (DEBUG_REMOVE) { 16292 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16293 } 16294 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16295 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16296 false /*hidden*/, false /*suspended*/, null, null, null, 16297 false /*blockUninstall*/, 16298 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16299 } 16300 } 16301 16302 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16303 PackageRemovedInfo outInfo) { 16304 final PackageParser.Package pkg; 16305 synchronized (mPackages) { 16306 pkg = mPackages.get(ps.name); 16307 } 16308 16309 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16310 : new int[] {userId}; 16311 for (int nextUserId : userIds) { 16312 if (DEBUG_REMOVE) { 16313 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16314 + nextUserId); 16315 } 16316 16317 destroyAppDataLIF(pkg, userId, 16318 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16319 destroyAppProfilesLIF(pkg, userId); 16320 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16321 schedulePackageCleaning(ps.name, nextUserId, false); 16322 synchronized (mPackages) { 16323 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16324 scheduleWritePackageRestrictionsLocked(nextUserId); 16325 } 16326 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16327 } 16328 } 16329 16330 if (outInfo != null) { 16331 outInfo.removedPackage = ps.name; 16332 outInfo.removedAppId = ps.appId; 16333 outInfo.removedUsers = userIds; 16334 } 16335 16336 return true; 16337 } 16338 16339 private final class ClearStorageConnection implements ServiceConnection { 16340 IMediaContainerService mContainerService; 16341 16342 @Override 16343 public void onServiceConnected(ComponentName name, IBinder service) { 16344 synchronized (this) { 16345 mContainerService = IMediaContainerService.Stub.asInterface(service); 16346 notifyAll(); 16347 } 16348 } 16349 16350 @Override 16351 public void onServiceDisconnected(ComponentName name) { 16352 } 16353 } 16354 16355 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16356 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16357 16358 final boolean mounted; 16359 if (Environment.isExternalStorageEmulated()) { 16360 mounted = true; 16361 } else { 16362 final String status = Environment.getExternalStorageState(); 16363 16364 mounted = status.equals(Environment.MEDIA_MOUNTED) 16365 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16366 } 16367 16368 if (!mounted) { 16369 return; 16370 } 16371 16372 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16373 int[] users; 16374 if (userId == UserHandle.USER_ALL) { 16375 users = sUserManager.getUserIds(); 16376 } else { 16377 users = new int[] { userId }; 16378 } 16379 final ClearStorageConnection conn = new ClearStorageConnection(); 16380 if (mContext.bindServiceAsUser( 16381 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16382 try { 16383 for (int curUser : users) { 16384 long timeout = SystemClock.uptimeMillis() + 5000; 16385 synchronized (conn) { 16386 long now; 16387 while (conn.mContainerService == null && 16388 (now = SystemClock.uptimeMillis()) < timeout) { 16389 try { 16390 conn.wait(timeout - now); 16391 } catch (InterruptedException e) { 16392 } 16393 } 16394 } 16395 if (conn.mContainerService == null) { 16396 return; 16397 } 16398 16399 final UserEnvironment userEnv = new UserEnvironment(curUser); 16400 clearDirectory(conn.mContainerService, 16401 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16402 if (allData) { 16403 clearDirectory(conn.mContainerService, 16404 userEnv.buildExternalStorageAppDataDirs(packageName)); 16405 clearDirectory(conn.mContainerService, 16406 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16407 } 16408 } 16409 } finally { 16410 mContext.unbindService(conn); 16411 } 16412 } 16413 } 16414 16415 @Override 16416 public void clearApplicationProfileData(String packageName) { 16417 enforceSystemOrRoot("Only the system can clear all profile data"); 16418 16419 final PackageParser.Package pkg; 16420 synchronized (mPackages) { 16421 pkg = mPackages.get(packageName); 16422 } 16423 16424 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16425 synchronized (mInstallLock) { 16426 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16427 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16428 true /* removeBaseMarker */); 16429 } 16430 } 16431 } 16432 16433 @Override 16434 public void clearApplicationUserData(final String packageName, 16435 final IPackageDataObserver observer, final int userId) { 16436 mContext.enforceCallingOrSelfPermission( 16437 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16438 16439 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16440 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16441 16442 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 16443 throw new SecurityException("Cannot clear data for a protected package: " 16444 + packageName); 16445 } 16446 // Queue up an async operation since the package deletion may take a little while. 16447 mHandler.post(new Runnable() { 16448 public void run() { 16449 mHandler.removeCallbacks(this); 16450 final boolean succeeded; 16451 try (PackageFreezer freezer = freezePackage(packageName, 16452 "clearApplicationUserData")) { 16453 synchronized (mInstallLock) { 16454 succeeded = clearApplicationUserDataLIF(packageName, userId); 16455 } 16456 clearExternalStorageDataSync(packageName, userId, true); 16457 } 16458 if (succeeded) { 16459 // invoke DeviceStorageMonitor's update method to clear any notifications 16460 DeviceStorageMonitorInternal dsm = LocalServices 16461 .getService(DeviceStorageMonitorInternal.class); 16462 if (dsm != null) { 16463 dsm.checkMemory(); 16464 } 16465 } 16466 if(observer != null) { 16467 try { 16468 observer.onRemoveCompleted(packageName, succeeded); 16469 } catch (RemoteException e) { 16470 Log.i(TAG, "Observer no longer exists."); 16471 } 16472 } //end if observer 16473 } //end run 16474 }); 16475 } 16476 16477 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16478 if (packageName == null) { 16479 Slog.w(TAG, "Attempt to delete null packageName."); 16480 return false; 16481 } 16482 16483 // Try finding details about the requested package 16484 PackageParser.Package pkg; 16485 synchronized (mPackages) { 16486 pkg = mPackages.get(packageName); 16487 if (pkg == null) { 16488 final PackageSetting ps = mSettings.mPackages.get(packageName); 16489 if (ps != null) { 16490 pkg = ps.pkg; 16491 } 16492 } 16493 16494 if (pkg == null) { 16495 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16496 return false; 16497 } 16498 16499 PackageSetting ps = (PackageSetting) pkg.mExtras; 16500 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16501 } 16502 16503 clearAppDataLIF(pkg, userId, 16504 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16505 16506 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16507 removeKeystoreDataIfNeeded(userId, appId); 16508 16509 UserManagerInternal umInternal = getUserManagerInternal(); 16510 final int flags; 16511 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16512 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16513 } else if (umInternal.isUserRunning(userId)) { 16514 flags = StorageManager.FLAG_STORAGE_DE; 16515 } else { 16516 flags = 0; 16517 } 16518 prepareAppDataContentsLIF(pkg, userId, flags); 16519 16520 return true; 16521 } 16522 16523 /** 16524 * Reverts user permission state changes (permissions and flags) in 16525 * all packages for a given user. 16526 * 16527 * @param userId The device user for which to do a reset. 16528 */ 16529 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16530 final int packageCount = mPackages.size(); 16531 for (int i = 0; i < packageCount; i++) { 16532 PackageParser.Package pkg = mPackages.valueAt(i); 16533 PackageSetting ps = (PackageSetting) pkg.mExtras; 16534 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16535 } 16536 } 16537 16538 private void resetNetworkPolicies(int userId) { 16539 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16540 } 16541 16542 /** 16543 * Reverts user permission state changes (permissions and flags). 16544 * 16545 * @param ps The package for which to reset. 16546 * @param userId The device user for which to do a reset. 16547 */ 16548 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16549 final PackageSetting ps, final int userId) { 16550 if (ps.pkg == null) { 16551 return; 16552 } 16553 16554 // These are flags that can change base on user actions. 16555 final int userSettableMask = FLAG_PERMISSION_USER_SET 16556 | FLAG_PERMISSION_USER_FIXED 16557 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16558 | FLAG_PERMISSION_REVIEW_REQUIRED; 16559 16560 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16561 | FLAG_PERMISSION_POLICY_FIXED; 16562 16563 boolean writeInstallPermissions = false; 16564 boolean writeRuntimePermissions = false; 16565 16566 final int permissionCount = ps.pkg.requestedPermissions.size(); 16567 for (int i = 0; i < permissionCount; i++) { 16568 String permission = ps.pkg.requestedPermissions.get(i); 16569 16570 BasePermission bp = mSettings.mPermissions.get(permission); 16571 if (bp == null) { 16572 continue; 16573 } 16574 16575 // If shared user we just reset the state to which only this app contributed. 16576 if (ps.sharedUser != null) { 16577 boolean used = false; 16578 final int packageCount = ps.sharedUser.packages.size(); 16579 for (int j = 0; j < packageCount; j++) { 16580 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16581 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16582 && pkg.pkg.requestedPermissions.contains(permission)) { 16583 used = true; 16584 break; 16585 } 16586 } 16587 if (used) { 16588 continue; 16589 } 16590 } 16591 16592 PermissionsState permissionsState = ps.getPermissionsState(); 16593 16594 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16595 16596 // Always clear the user settable flags. 16597 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16598 bp.name) != null; 16599 // If permission review is enabled and this is a legacy app, mark the 16600 // permission as requiring a review as this is the initial state. 16601 int flags = 0; 16602 if (Build.PERMISSIONS_REVIEW_REQUIRED 16603 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16604 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16605 } 16606 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16607 if (hasInstallState) { 16608 writeInstallPermissions = true; 16609 } else { 16610 writeRuntimePermissions = true; 16611 } 16612 } 16613 16614 // Below is only runtime permission handling. 16615 if (!bp.isRuntime()) { 16616 continue; 16617 } 16618 16619 // Never clobber system or policy. 16620 if ((oldFlags & policyOrSystemFlags) != 0) { 16621 continue; 16622 } 16623 16624 // If this permission was granted by default, make sure it is. 16625 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16626 if (permissionsState.grantRuntimePermission(bp, userId) 16627 != PERMISSION_OPERATION_FAILURE) { 16628 writeRuntimePermissions = true; 16629 } 16630 // If permission review is enabled the permissions for a legacy apps 16631 // are represented as constantly granted runtime ones, so don't revoke. 16632 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16633 // Otherwise, reset the permission. 16634 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16635 switch (revokeResult) { 16636 case PERMISSION_OPERATION_SUCCESS: 16637 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16638 writeRuntimePermissions = true; 16639 final int appId = ps.appId; 16640 mHandler.post(new Runnable() { 16641 @Override 16642 public void run() { 16643 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16644 } 16645 }); 16646 } break; 16647 } 16648 } 16649 } 16650 16651 // Synchronously write as we are taking permissions away. 16652 if (writeRuntimePermissions) { 16653 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16654 } 16655 16656 // Synchronously write as we are taking permissions away. 16657 if (writeInstallPermissions) { 16658 mSettings.writeLPr(); 16659 } 16660 } 16661 16662 /** 16663 * Remove entries from the keystore daemon. Will only remove it if the 16664 * {@code appId} is valid. 16665 */ 16666 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16667 if (appId < 0) { 16668 return; 16669 } 16670 16671 final KeyStore keyStore = KeyStore.getInstance(); 16672 if (keyStore != null) { 16673 if (userId == UserHandle.USER_ALL) { 16674 for (final int individual : sUserManager.getUserIds()) { 16675 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16676 } 16677 } else { 16678 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16679 } 16680 } else { 16681 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16682 } 16683 } 16684 16685 @Override 16686 public void deleteApplicationCacheFiles(final String packageName, 16687 final IPackageDataObserver observer) { 16688 final int userId = UserHandle.getCallingUserId(); 16689 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16690 } 16691 16692 @Override 16693 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16694 final IPackageDataObserver observer) { 16695 mContext.enforceCallingOrSelfPermission( 16696 android.Manifest.permission.DELETE_CACHE_FILES, null); 16697 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16698 /* requireFullPermission= */ true, /* checkShell= */ false, 16699 "delete application cache files"); 16700 16701 final PackageParser.Package pkg; 16702 synchronized (mPackages) { 16703 pkg = mPackages.get(packageName); 16704 } 16705 16706 // Queue up an async operation since the package deletion may take a little while. 16707 mHandler.post(new Runnable() { 16708 public void run() { 16709 synchronized (mInstallLock) { 16710 final int flags = StorageManager.FLAG_STORAGE_DE 16711 | StorageManager.FLAG_STORAGE_CE; 16712 // We're only clearing cache files, so we don't care if the 16713 // app is unfrozen and still able to run 16714 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16715 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16716 } 16717 clearExternalStorageDataSync(packageName, userId, false); 16718 if (observer != null) { 16719 try { 16720 observer.onRemoveCompleted(packageName, true); 16721 } catch (RemoteException e) { 16722 Log.i(TAG, "Observer no longer exists."); 16723 } 16724 } 16725 } 16726 }); 16727 } 16728 16729 @Override 16730 public void getPackageSizeInfo(final String packageName, int userHandle, 16731 final IPackageStatsObserver observer) { 16732 mContext.enforceCallingOrSelfPermission( 16733 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16734 if (packageName == null) { 16735 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16736 } 16737 16738 PackageStats stats = new PackageStats(packageName, userHandle); 16739 16740 /* 16741 * Queue up an async operation since the package measurement may take a 16742 * little while. 16743 */ 16744 Message msg = mHandler.obtainMessage(INIT_COPY); 16745 msg.obj = new MeasureParams(stats, observer); 16746 mHandler.sendMessage(msg); 16747 } 16748 16749 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16750 final PackageSetting ps; 16751 synchronized (mPackages) { 16752 ps = mSettings.mPackages.get(packageName); 16753 if (ps == null) { 16754 Slog.w(TAG, "Failed to find settings for " + packageName); 16755 return false; 16756 } 16757 } 16758 try { 16759 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16760 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16761 ps.getCeDataInode(userId), ps.codePathString, stats); 16762 } catch (InstallerException e) { 16763 Slog.w(TAG, String.valueOf(e)); 16764 return false; 16765 } 16766 16767 // For now, ignore code size of packages on system partition 16768 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16769 stats.codeSize = 0; 16770 } 16771 16772 return true; 16773 } 16774 16775 private int getUidTargetSdkVersionLockedLPr(int uid) { 16776 Object obj = mSettings.getUserIdLPr(uid); 16777 if (obj instanceof SharedUserSetting) { 16778 final SharedUserSetting sus = (SharedUserSetting) obj; 16779 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16780 final Iterator<PackageSetting> it = sus.packages.iterator(); 16781 while (it.hasNext()) { 16782 final PackageSetting ps = it.next(); 16783 if (ps.pkg != null) { 16784 int v = ps.pkg.applicationInfo.targetSdkVersion; 16785 if (v < vers) vers = v; 16786 } 16787 } 16788 return vers; 16789 } else if (obj instanceof PackageSetting) { 16790 final PackageSetting ps = (PackageSetting) obj; 16791 if (ps.pkg != null) { 16792 return ps.pkg.applicationInfo.targetSdkVersion; 16793 } 16794 } 16795 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16796 } 16797 16798 @Override 16799 public void addPreferredActivity(IntentFilter filter, int match, 16800 ComponentName[] set, ComponentName activity, int userId) { 16801 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16802 "Adding preferred"); 16803 } 16804 16805 private void addPreferredActivityInternal(IntentFilter filter, int match, 16806 ComponentName[] set, ComponentName activity, boolean always, int userId, 16807 String opname) { 16808 // writer 16809 int callingUid = Binder.getCallingUid(); 16810 enforceCrossUserPermission(callingUid, userId, 16811 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16812 if (filter.countActions() == 0) { 16813 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16814 return; 16815 } 16816 synchronized (mPackages) { 16817 if (mContext.checkCallingOrSelfPermission( 16818 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16819 != PackageManager.PERMISSION_GRANTED) { 16820 if (getUidTargetSdkVersionLockedLPr(callingUid) 16821 < Build.VERSION_CODES.FROYO) { 16822 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16823 + callingUid); 16824 return; 16825 } 16826 mContext.enforceCallingOrSelfPermission( 16827 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16828 } 16829 16830 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16831 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16832 + userId + ":"); 16833 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16834 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16835 scheduleWritePackageRestrictionsLocked(userId); 16836 } 16837 } 16838 16839 @Override 16840 public void replacePreferredActivity(IntentFilter filter, int match, 16841 ComponentName[] set, ComponentName activity, int userId) { 16842 if (filter.countActions() != 1) { 16843 throw new IllegalArgumentException( 16844 "replacePreferredActivity expects filter to have only 1 action."); 16845 } 16846 if (filter.countDataAuthorities() != 0 16847 || filter.countDataPaths() != 0 16848 || filter.countDataSchemes() > 1 16849 || filter.countDataTypes() != 0) { 16850 throw new IllegalArgumentException( 16851 "replacePreferredActivity expects filter to have no data authorities, " + 16852 "paths, or types; and at most one scheme."); 16853 } 16854 16855 final int callingUid = Binder.getCallingUid(); 16856 enforceCrossUserPermission(callingUid, userId, 16857 true /* requireFullPermission */, false /* checkShell */, 16858 "replace preferred activity"); 16859 synchronized (mPackages) { 16860 if (mContext.checkCallingOrSelfPermission( 16861 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16862 != PackageManager.PERMISSION_GRANTED) { 16863 if (getUidTargetSdkVersionLockedLPr(callingUid) 16864 < Build.VERSION_CODES.FROYO) { 16865 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16866 + Binder.getCallingUid()); 16867 return; 16868 } 16869 mContext.enforceCallingOrSelfPermission( 16870 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16871 } 16872 16873 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16874 if (pir != null) { 16875 // Get all of the existing entries that exactly match this filter. 16876 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16877 if (existing != null && existing.size() == 1) { 16878 PreferredActivity cur = existing.get(0); 16879 if (DEBUG_PREFERRED) { 16880 Slog.i(TAG, "Checking replace of preferred:"); 16881 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16882 if (!cur.mPref.mAlways) { 16883 Slog.i(TAG, " -- CUR; not mAlways!"); 16884 } else { 16885 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16886 Slog.i(TAG, " -- CUR: mSet=" 16887 + Arrays.toString(cur.mPref.mSetComponents)); 16888 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16889 Slog.i(TAG, " -- NEW: mMatch=" 16890 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16891 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16892 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16893 } 16894 } 16895 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16896 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16897 && cur.mPref.sameSet(set)) { 16898 // Setting the preferred activity to what it happens to be already 16899 if (DEBUG_PREFERRED) { 16900 Slog.i(TAG, "Replacing with same preferred activity " 16901 + cur.mPref.mShortComponent + " for user " 16902 + userId + ":"); 16903 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16904 } 16905 return; 16906 } 16907 } 16908 16909 if (existing != null) { 16910 if (DEBUG_PREFERRED) { 16911 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16912 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16913 } 16914 for (int i = 0; i < existing.size(); i++) { 16915 PreferredActivity pa = existing.get(i); 16916 if (DEBUG_PREFERRED) { 16917 Slog.i(TAG, "Removing existing preferred activity " 16918 + pa.mPref.mComponent + ":"); 16919 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16920 } 16921 pir.removeFilter(pa); 16922 } 16923 } 16924 } 16925 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16926 "Replacing preferred"); 16927 } 16928 } 16929 16930 @Override 16931 public void clearPackagePreferredActivities(String packageName) { 16932 final int uid = Binder.getCallingUid(); 16933 // writer 16934 synchronized (mPackages) { 16935 PackageParser.Package pkg = mPackages.get(packageName); 16936 if (pkg == null || pkg.applicationInfo.uid != uid) { 16937 if (mContext.checkCallingOrSelfPermission( 16938 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16939 != PackageManager.PERMISSION_GRANTED) { 16940 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16941 < Build.VERSION_CODES.FROYO) { 16942 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16943 + Binder.getCallingUid()); 16944 return; 16945 } 16946 mContext.enforceCallingOrSelfPermission( 16947 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16948 } 16949 } 16950 16951 int user = UserHandle.getCallingUserId(); 16952 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16953 scheduleWritePackageRestrictionsLocked(user); 16954 } 16955 } 16956 } 16957 16958 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16959 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16960 ArrayList<PreferredActivity> removed = null; 16961 boolean changed = false; 16962 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16963 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16964 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16965 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16966 continue; 16967 } 16968 Iterator<PreferredActivity> it = pir.filterIterator(); 16969 while (it.hasNext()) { 16970 PreferredActivity pa = it.next(); 16971 // Mark entry for removal only if it matches the package name 16972 // and the entry is of type "always". 16973 if (packageName == null || 16974 (pa.mPref.mComponent.getPackageName().equals(packageName) 16975 && pa.mPref.mAlways)) { 16976 if (removed == null) { 16977 removed = new ArrayList<PreferredActivity>(); 16978 } 16979 removed.add(pa); 16980 } 16981 } 16982 if (removed != null) { 16983 for (int j=0; j<removed.size(); j++) { 16984 PreferredActivity pa = removed.get(j); 16985 pir.removeFilter(pa); 16986 } 16987 changed = true; 16988 } 16989 } 16990 return changed; 16991 } 16992 16993 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16994 private void clearIntentFilterVerificationsLPw(int userId) { 16995 final int packageCount = mPackages.size(); 16996 for (int i = 0; i < packageCount; i++) { 16997 PackageParser.Package pkg = mPackages.valueAt(i); 16998 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16999 } 17000 } 17001 17002 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 17003 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 17004 if (userId == UserHandle.USER_ALL) { 17005 if (mSettings.removeIntentFilterVerificationLPw(packageName, 17006 sUserManager.getUserIds())) { 17007 for (int oneUserId : sUserManager.getUserIds()) { 17008 scheduleWritePackageRestrictionsLocked(oneUserId); 17009 } 17010 } 17011 } else { 17012 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 17013 scheduleWritePackageRestrictionsLocked(userId); 17014 } 17015 } 17016 } 17017 17018 void clearDefaultBrowserIfNeeded(String packageName) { 17019 for (int oneUserId : sUserManager.getUserIds()) { 17020 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 17021 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 17022 if (packageName.equals(defaultBrowserPackageName)) { 17023 setDefaultBrowserPackageName(null, oneUserId); 17024 } 17025 } 17026 } 17027 17028 @Override 17029 public void resetApplicationPreferences(int userId) { 17030 mContext.enforceCallingOrSelfPermission( 17031 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 17032 final long identity = Binder.clearCallingIdentity(); 17033 // writer 17034 try { 17035 synchronized (mPackages) { 17036 clearPackagePreferredActivitiesLPw(null, userId); 17037 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17038 // TODO: We have to reset the default SMS and Phone. This requires 17039 // significant refactoring to keep all default apps in the package 17040 // manager (cleaner but more work) or have the services provide 17041 // callbacks to the package manager to request a default app reset. 17042 applyFactoryDefaultBrowserLPw(userId); 17043 clearIntentFilterVerificationsLPw(userId); 17044 primeDomainVerificationsLPw(userId); 17045 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17046 scheduleWritePackageRestrictionsLocked(userId); 17047 } 17048 resetNetworkPolicies(userId); 17049 } finally { 17050 Binder.restoreCallingIdentity(identity); 17051 } 17052 } 17053 17054 @Override 17055 public int getPreferredActivities(List<IntentFilter> outFilters, 17056 List<ComponentName> outActivities, String packageName) { 17057 17058 int num = 0; 17059 final int userId = UserHandle.getCallingUserId(); 17060 // reader 17061 synchronized (mPackages) { 17062 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17063 if (pir != null) { 17064 final Iterator<PreferredActivity> it = pir.filterIterator(); 17065 while (it.hasNext()) { 17066 final PreferredActivity pa = it.next(); 17067 if (packageName == null 17068 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17069 && pa.mPref.mAlways)) { 17070 if (outFilters != null) { 17071 outFilters.add(new IntentFilter(pa)); 17072 } 17073 if (outActivities != null) { 17074 outActivities.add(pa.mPref.mComponent); 17075 } 17076 } 17077 } 17078 } 17079 } 17080 17081 return num; 17082 } 17083 17084 @Override 17085 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17086 int userId) { 17087 int callingUid = Binder.getCallingUid(); 17088 if (callingUid != Process.SYSTEM_UID) { 17089 throw new SecurityException( 17090 "addPersistentPreferredActivity can only be run by the system"); 17091 } 17092 if (filter.countActions() == 0) { 17093 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17094 return; 17095 } 17096 synchronized (mPackages) { 17097 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17098 ":"); 17099 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17100 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17101 new PersistentPreferredActivity(filter, activity)); 17102 scheduleWritePackageRestrictionsLocked(userId); 17103 } 17104 } 17105 17106 @Override 17107 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17108 int callingUid = Binder.getCallingUid(); 17109 if (callingUid != Process.SYSTEM_UID) { 17110 throw new SecurityException( 17111 "clearPackagePersistentPreferredActivities can only be run by the system"); 17112 } 17113 ArrayList<PersistentPreferredActivity> removed = null; 17114 boolean changed = false; 17115 synchronized (mPackages) { 17116 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17117 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17118 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17119 .valueAt(i); 17120 if (userId != thisUserId) { 17121 continue; 17122 } 17123 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17124 while (it.hasNext()) { 17125 PersistentPreferredActivity ppa = it.next(); 17126 // Mark entry for removal only if it matches the package name. 17127 if (ppa.mComponent.getPackageName().equals(packageName)) { 17128 if (removed == null) { 17129 removed = new ArrayList<PersistentPreferredActivity>(); 17130 } 17131 removed.add(ppa); 17132 } 17133 } 17134 if (removed != null) { 17135 for (int j=0; j<removed.size(); j++) { 17136 PersistentPreferredActivity ppa = removed.get(j); 17137 ppir.removeFilter(ppa); 17138 } 17139 changed = true; 17140 } 17141 } 17142 17143 if (changed) { 17144 scheduleWritePackageRestrictionsLocked(userId); 17145 } 17146 } 17147 } 17148 17149 /** 17150 * Common machinery for picking apart a restored XML blob and passing 17151 * it to a caller-supplied functor to be applied to the running system. 17152 */ 17153 private void restoreFromXml(XmlPullParser parser, int userId, 17154 String expectedStartTag, BlobXmlRestorer functor) 17155 throws IOException, XmlPullParserException { 17156 int type; 17157 while ((type = parser.next()) != XmlPullParser.START_TAG 17158 && type != XmlPullParser.END_DOCUMENT) { 17159 } 17160 if (type != XmlPullParser.START_TAG) { 17161 // oops didn't find a start tag?! 17162 if (DEBUG_BACKUP) { 17163 Slog.e(TAG, "Didn't find start tag during restore"); 17164 } 17165 return; 17166 } 17167Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17168 // this is supposed to be TAG_PREFERRED_BACKUP 17169 if (!expectedStartTag.equals(parser.getName())) { 17170 if (DEBUG_BACKUP) { 17171 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17172 } 17173 return; 17174 } 17175 17176 // skip interfering stuff, then we're aligned with the backing implementation 17177 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17178Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17179 functor.apply(parser, userId); 17180 } 17181 17182 private interface BlobXmlRestorer { 17183 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17184 } 17185 17186 /** 17187 * Non-Binder method, support for the backup/restore mechanism: write the 17188 * full set of preferred activities in its canonical XML format. Returns the 17189 * XML output as a byte array, or null if there is none. 17190 */ 17191 @Override 17192 public byte[] getPreferredActivityBackup(int userId) { 17193 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17194 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17195 } 17196 17197 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17198 try { 17199 final XmlSerializer serializer = new FastXmlSerializer(); 17200 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17201 serializer.startDocument(null, true); 17202 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17203 17204 synchronized (mPackages) { 17205 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17206 } 17207 17208 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17209 serializer.endDocument(); 17210 serializer.flush(); 17211 } catch (Exception e) { 17212 if (DEBUG_BACKUP) { 17213 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17214 } 17215 return null; 17216 } 17217 17218 return dataStream.toByteArray(); 17219 } 17220 17221 @Override 17222 public void restorePreferredActivities(byte[] backup, int userId) { 17223 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17224 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17225 } 17226 17227 try { 17228 final XmlPullParser parser = Xml.newPullParser(); 17229 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17230 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17231 new BlobXmlRestorer() { 17232 @Override 17233 public void apply(XmlPullParser parser, int userId) 17234 throws XmlPullParserException, IOException { 17235 synchronized (mPackages) { 17236 mSettings.readPreferredActivitiesLPw(parser, userId); 17237 } 17238 } 17239 } ); 17240 } catch (Exception e) { 17241 if (DEBUG_BACKUP) { 17242 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17243 } 17244 } 17245 } 17246 17247 /** 17248 * Non-Binder method, support for the backup/restore mechanism: write the 17249 * default browser (etc) settings in its canonical XML format. Returns the default 17250 * browser XML representation as a byte array, or null if there is none. 17251 */ 17252 @Override 17253 public byte[] getDefaultAppsBackup(int userId) { 17254 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17255 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17256 } 17257 17258 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17259 try { 17260 final XmlSerializer serializer = new FastXmlSerializer(); 17261 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17262 serializer.startDocument(null, true); 17263 serializer.startTag(null, TAG_DEFAULT_APPS); 17264 17265 synchronized (mPackages) { 17266 mSettings.writeDefaultAppsLPr(serializer, userId); 17267 } 17268 17269 serializer.endTag(null, TAG_DEFAULT_APPS); 17270 serializer.endDocument(); 17271 serializer.flush(); 17272 } catch (Exception e) { 17273 if (DEBUG_BACKUP) { 17274 Slog.e(TAG, "Unable to write default apps for backup", e); 17275 } 17276 return null; 17277 } 17278 17279 return dataStream.toByteArray(); 17280 } 17281 17282 @Override 17283 public void restoreDefaultApps(byte[] backup, int userId) { 17284 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17285 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17286 } 17287 17288 try { 17289 final XmlPullParser parser = Xml.newPullParser(); 17290 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17291 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17292 new BlobXmlRestorer() { 17293 @Override 17294 public void apply(XmlPullParser parser, int userId) 17295 throws XmlPullParserException, IOException { 17296 synchronized (mPackages) { 17297 mSettings.readDefaultAppsLPw(parser, userId); 17298 } 17299 } 17300 } ); 17301 } catch (Exception e) { 17302 if (DEBUG_BACKUP) { 17303 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17304 } 17305 } 17306 } 17307 17308 @Override 17309 public byte[] getIntentFilterVerificationBackup(int userId) { 17310 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17311 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17312 } 17313 17314 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17315 try { 17316 final XmlSerializer serializer = new FastXmlSerializer(); 17317 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17318 serializer.startDocument(null, true); 17319 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17320 17321 synchronized (mPackages) { 17322 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17323 } 17324 17325 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17326 serializer.endDocument(); 17327 serializer.flush(); 17328 } catch (Exception e) { 17329 if (DEBUG_BACKUP) { 17330 Slog.e(TAG, "Unable to write default apps for backup", e); 17331 } 17332 return null; 17333 } 17334 17335 return dataStream.toByteArray(); 17336 } 17337 17338 @Override 17339 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17340 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17341 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17342 } 17343 17344 try { 17345 final XmlPullParser parser = Xml.newPullParser(); 17346 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17347 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17348 new BlobXmlRestorer() { 17349 @Override 17350 public void apply(XmlPullParser parser, int userId) 17351 throws XmlPullParserException, IOException { 17352 synchronized (mPackages) { 17353 mSettings.readAllDomainVerificationsLPr(parser, userId); 17354 mSettings.writeLPr(); 17355 } 17356 } 17357 } ); 17358 } catch (Exception e) { 17359 if (DEBUG_BACKUP) { 17360 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17361 } 17362 } 17363 } 17364 17365 @Override 17366 public byte[] getPermissionGrantBackup(int userId) { 17367 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17368 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17369 } 17370 17371 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17372 try { 17373 final XmlSerializer serializer = new FastXmlSerializer(); 17374 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17375 serializer.startDocument(null, true); 17376 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17377 17378 synchronized (mPackages) { 17379 serializeRuntimePermissionGrantsLPr(serializer, userId); 17380 } 17381 17382 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17383 serializer.endDocument(); 17384 serializer.flush(); 17385 } catch (Exception e) { 17386 if (DEBUG_BACKUP) { 17387 Slog.e(TAG, "Unable to write default apps for backup", e); 17388 } 17389 return null; 17390 } 17391 17392 return dataStream.toByteArray(); 17393 } 17394 17395 @Override 17396 public void restorePermissionGrants(byte[] backup, int userId) { 17397 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17398 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17399 } 17400 17401 try { 17402 final XmlPullParser parser = Xml.newPullParser(); 17403 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17404 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17405 new BlobXmlRestorer() { 17406 @Override 17407 public void apply(XmlPullParser parser, int userId) 17408 throws XmlPullParserException, IOException { 17409 synchronized (mPackages) { 17410 processRestoredPermissionGrantsLPr(parser, userId); 17411 } 17412 } 17413 } ); 17414 } catch (Exception e) { 17415 if (DEBUG_BACKUP) { 17416 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17417 } 17418 } 17419 } 17420 17421 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17422 throws IOException { 17423 serializer.startTag(null, TAG_ALL_GRANTS); 17424 17425 final int N = mSettings.mPackages.size(); 17426 for (int i = 0; i < N; i++) { 17427 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17428 boolean pkgGrantsKnown = false; 17429 17430 PermissionsState packagePerms = ps.getPermissionsState(); 17431 17432 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17433 final int grantFlags = state.getFlags(); 17434 // only look at grants that are not system/policy fixed 17435 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17436 final boolean isGranted = state.isGranted(); 17437 // And only back up the user-twiddled state bits 17438 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17439 final String packageName = mSettings.mPackages.keyAt(i); 17440 if (!pkgGrantsKnown) { 17441 serializer.startTag(null, TAG_GRANT); 17442 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17443 pkgGrantsKnown = true; 17444 } 17445 17446 final boolean userSet = 17447 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17448 final boolean userFixed = 17449 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17450 final boolean revoke = 17451 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17452 17453 serializer.startTag(null, TAG_PERMISSION); 17454 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17455 if (isGranted) { 17456 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17457 } 17458 if (userSet) { 17459 serializer.attribute(null, ATTR_USER_SET, "true"); 17460 } 17461 if (userFixed) { 17462 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17463 } 17464 if (revoke) { 17465 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17466 } 17467 serializer.endTag(null, TAG_PERMISSION); 17468 } 17469 } 17470 } 17471 17472 if (pkgGrantsKnown) { 17473 serializer.endTag(null, TAG_GRANT); 17474 } 17475 } 17476 17477 serializer.endTag(null, TAG_ALL_GRANTS); 17478 } 17479 17480 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17481 throws XmlPullParserException, IOException { 17482 String pkgName = null; 17483 int outerDepth = parser.getDepth(); 17484 int type; 17485 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17486 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17487 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17488 continue; 17489 } 17490 17491 final String tagName = parser.getName(); 17492 if (tagName.equals(TAG_GRANT)) { 17493 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17494 if (DEBUG_BACKUP) { 17495 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17496 } 17497 } else if (tagName.equals(TAG_PERMISSION)) { 17498 17499 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17500 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17501 17502 int newFlagSet = 0; 17503 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17504 newFlagSet |= FLAG_PERMISSION_USER_SET; 17505 } 17506 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17507 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17508 } 17509 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17510 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17511 } 17512 if (DEBUG_BACKUP) { 17513 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17514 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17515 } 17516 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17517 if (ps != null) { 17518 // Already installed so we apply the grant immediately 17519 if (DEBUG_BACKUP) { 17520 Slog.v(TAG, " + already installed; applying"); 17521 } 17522 PermissionsState perms = ps.getPermissionsState(); 17523 BasePermission bp = mSettings.mPermissions.get(permName); 17524 if (bp != null) { 17525 if (isGranted) { 17526 perms.grantRuntimePermission(bp, userId); 17527 } 17528 if (newFlagSet != 0) { 17529 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17530 } 17531 } 17532 } else { 17533 // Need to wait for post-restore install to apply the grant 17534 if (DEBUG_BACKUP) { 17535 Slog.v(TAG, " - not yet installed; saving for later"); 17536 } 17537 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17538 isGranted, newFlagSet, userId); 17539 } 17540 } else { 17541 PackageManagerService.reportSettingsProblem(Log.WARN, 17542 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17543 XmlUtils.skipCurrentTag(parser); 17544 } 17545 } 17546 17547 scheduleWriteSettingsLocked(); 17548 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17549 } 17550 17551 @Override 17552 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17553 int sourceUserId, int targetUserId, int flags) { 17554 mContext.enforceCallingOrSelfPermission( 17555 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17556 int callingUid = Binder.getCallingUid(); 17557 enforceOwnerRights(ownerPackage, callingUid); 17558 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17559 if (intentFilter.countActions() == 0) { 17560 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17561 return; 17562 } 17563 synchronized (mPackages) { 17564 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17565 ownerPackage, targetUserId, flags); 17566 CrossProfileIntentResolver resolver = 17567 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17568 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17569 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17570 if (existing != null) { 17571 int size = existing.size(); 17572 for (int i = 0; i < size; i++) { 17573 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17574 return; 17575 } 17576 } 17577 } 17578 resolver.addFilter(newFilter); 17579 scheduleWritePackageRestrictionsLocked(sourceUserId); 17580 } 17581 } 17582 17583 @Override 17584 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17585 mContext.enforceCallingOrSelfPermission( 17586 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17587 int callingUid = Binder.getCallingUid(); 17588 enforceOwnerRights(ownerPackage, callingUid); 17589 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17590 synchronized (mPackages) { 17591 CrossProfileIntentResolver resolver = 17592 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17593 ArraySet<CrossProfileIntentFilter> set = 17594 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17595 for (CrossProfileIntentFilter filter : set) { 17596 if (filter.getOwnerPackage().equals(ownerPackage)) { 17597 resolver.removeFilter(filter); 17598 } 17599 } 17600 scheduleWritePackageRestrictionsLocked(sourceUserId); 17601 } 17602 } 17603 17604 // Enforcing that callingUid is owning pkg on userId 17605 private void enforceOwnerRights(String pkg, int callingUid) { 17606 // The system owns everything. 17607 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17608 return; 17609 } 17610 int callingUserId = UserHandle.getUserId(callingUid); 17611 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17612 if (pi == null) { 17613 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17614 + callingUserId); 17615 } 17616 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17617 throw new SecurityException("Calling uid " + callingUid 17618 + " does not own package " + pkg); 17619 } 17620 } 17621 17622 @Override 17623 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17624 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17625 } 17626 17627 private Intent getHomeIntent() { 17628 Intent intent = new Intent(Intent.ACTION_MAIN); 17629 intent.addCategory(Intent.CATEGORY_HOME); 17630 return intent; 17631 } 17632 17633 private IntentFilter getHomeFilter() { 17634 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17635 filter.addCategory(Intent.CATEGORY_HOME); 17636 filter.addCategory(Intent.CATEGORY_DEFAULT); 17637 return filter; 17638 } 17639 17640 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17641 int userId) { 17642 Intent intent = getHomeIntent(); 17643 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17644 PackageManager.GET_META_DATA, userId); 17645 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17646 true, false, false, userId); 17647 17648 allHomeCandidates.clear(); 17649 if (list != null) { 17650 for (ResolveInfo ri : list) { 17651 allHomeCandidates.add(ri); 17652 } 17653 } 17654 return (preferred == null || preferred.activityInfo == null) 17655 ? null 17656 : new ComponentName(preferred.activityInfo.packageName, 17657 preferred.activityInfo.name); 17658 } 17659 17660 @Override 17661 public void setHomeActivity(ComponentName comp, int userId) { 17662 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17663 getHomeActivitiesAsUser(homeActivities, userId); 17664 17665 boolean found = false; 17666 17667 final int size = homeActivities.size(); 17668 final ComponentName[] set = new ComponentName[size]; 17669 for (int i = 0; i < size; i++) { 17670 final ResolveInfo candidate = homeActivities.get(i); 17671 final ActivityInfo info = candidate.activityInfo; 17672 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17673 set[i] = activityName; 17674 if (!found && activityName.equals(comp)) { 17675 found = true; 17676 } 17677 } 17678 if (!found) { 17679 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17680 + userId); 17681 } 17682 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17683 set, comp, userId); 17684 } 17685 17686 private @Nullable String getSetupWizardPackageName() { 17687 final Intent intent = new Intent(Intent.ACTION_MAIN); 17688 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17689 17690 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17691 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17692 | MATCH_DISABLED_COMPONENTS, 17693 UserHandle.myUserId()); 17694 if (matches.size() == 1) { 17695 return matches.get(0).getComponentInfo().packageName; 17696 } else { 17697 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17698 + ": matches=" + matches); 17699 return null; 17700 } 17701 } 17702 17703 @Override 17704 public void setApplicationEnabledSetting(String appPackageName, 17705 int newState, int flags, int userId, String callingPackage) { 17706 if (!sUserManager.exists(userId)) return; 17707 if (callingPackage == null) { 17708 callingPackage = Integer.toString(Binder.getCallingUid()); 17709 } 17710 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17711 } 17712 17713 @Override 17714 public void setComponentEnabledSetting(ComponentName componentName, 17715 int newState, int flags, int userId) { 17716 if (!sUserManager.exists(userId)) return; 17717 setEnabledSetting(componentName.getPackageName(), 17718 componentName.getClassName(), newState, flags, userId, null); 17719 } 17720 17721 private void setEnabledSetting(final String packageName, String className, int newState, 17722 final int flags, int userId, String callingPackage) { 17723 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17724 || newState == COMPONENT_ENABLED_STATE_ENABLED 17725 || newState == COMPONENT_ENABLED_STATE_DISABLED 17726 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17727 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17728 throw new IllegalArgumentException("Invalid new component state: " 17729 + newState); 17730 } 17731 PackageSetting pkgSetting; 17732 final int uid = Binder.getCallingUid(); 17733 final int permission; 17734 if (uid == Process.SYSTEM_UID) { 17735 permission = PackageManager.PERMISSION_GRANTED; 17736 } else { 17737 permission = mContext.checkCallingOrSelfPermission( 17738 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17739 } 17740 enforceCrossUserPermission(uid, userId, 17741 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17742 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17743 boolean sendNow = false; 17744 boolean isApp = (className == null); 17745 String componentName = isApp ? packageName : className; 17746 int packageUid = -1; 17747 ArrayList<String> components; 17748 17749 // writer 17750 synchronized (mPackages) { 17751 pkgSetting = mSettings.mPackages.get(packageName); 17752 if (pkgSetting == null) { 17753 if (className == null) { 17754 throw new IllegalArgumentException("Unknown package: " + packageName); 17755 } 17756 throw new IllegalArgumentException( 17757 "Unknown component: " + packageName + "/" + className); 17758 } 17759 } 17760 17761 // Limit who can change which apps 17762 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17763 // Don't allow apps that don't have permission to modify other apps 17764 if (!allowedByPermission) { 17765 throw new SecurityException( 17766 "Permission Denial: attempt to change component state from pid=" 17767 + Binder.getCallingPid() 17768 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17769 } 17770 // Don't allow changing protected packages. 17771 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 17772 throw new SecurityException("Cannot disable a protected package: " + packageName); 17773 } 17774 } 17775 17776 synchronized (mPackages) { 17777 if (uid == Process.SHELL_UID) { 17778 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17779 int oldState = pkgSetting.getEnabled(userId); 17780 if (className == null 17781 && 17782 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17783 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17784 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17785 && 17786 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17787 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17788 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17789 // ok 17790 } else { 17791 throw new SecurityException( 17792 "Shell cannot change component state for " + packageName + "/" 17793 + className + " to " + newState); 17794 } 17795 } 17796 if (className == null) { 17797 // We're dealing with an application/package level state change 17798 if (pkgSetting.getEnabled(userId) == newState) { 17799 // Nothing to do 17800 return; 17801 } 17802 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17803 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17804 // Don't care about who enables an app. 17805 callingPackage = null; 17806 } 17807 pkgSetting.setEnabled(newState, userId, callingPackage); 17808 // pkgSetting.pkg.mSetEnabled = newState; 17809 } else { 17810 // We're dealing with a component level state change 17811 // First, verify that this is a valid class name. 17812 PackageParser.Package pkg = pkgSetting.pkg; 17813 if (pkg == null || !pkg.hasComponentClassName(className)) { 17814 if (pkg != null && 17815 pkg.applicationInfo.targetSdkVersion >= 17816 Build.VERSION_CODES.JELLY_BEAN) { 17817 throw new IllegalArgumentException("Component class " + className 17818 + " does not exist in " + packageName); 17819 } else { 17820 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17821 + className + " does not exist in " + packageName); 17822 } 17823 } 17824 switch (newState) { 17825 case COMPONENT_ENABLED_STATE_ENABLED: 17826 if (!pkgSetting.enableComponentLPw(className, userId)) { 17827 return; 17828 } 17829 break; 17830 case COMPONENT_ENABLED_STATE_DISABLED: 17831 if (!pkgSetting.disableComponentLPw(className, userId)) { 17832 return; 17833 } 17834 break; 17835 case COMPONENT_ENABLED_STATE_DEFAULT: 17836 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17837 return; 17838 } 17839 break; 17840 default: 17841 Slog.e(TAG, "Invalid new component state: " + newState); 17842 return; 17843 } 17844 } 17845 scheduleWritePackageRestrictionsLocked(userId); 17846 components = mPendingBroadcasts.get(userId, packageName); 17847 final boolean newPackage = components == null; 17848 if (newPackage) { 17849 components = new ArrayList<String>(); 17850 } 17851 if (!components.contains(componentName)) { 17852 components.add(componentName); 17853 } 17854 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17855 sendNow = true; 17856 // Purge entry from pending broadcast list if another one exists already 17857 // since we are sending one right away. 17858 mPendingBroadcasts.remove(userId, packageName); 17859 } else { 17860 if (newPackage) { 17861 mPendingBroadcasts.put(userId, packageName, components); 17862 } 17863 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17864 // Schedule a message 17865 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17866 } 17867 } 17868 } 17869 17870 long callingId = Binder.clearCallingIdentity(); 17871 try { 17872 if (sendNow) { 17873 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17874 sendPackageChangedBroadcast(packageName, 17875 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17876 } 17877 } finally { 17878 Binder.restoreCallingIdentity(callingId); 17879 } 17880 } 17881 17882 @Override 17883 public void flushPackageRestrictionsAsUser(int userId) { 17884 if (!sUserManager.exists(userId)) { 17885 return; 17886 } 17887 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17888 false /* checkShell */, "flushPackageRestrictions"); 17889 synchronized (mPackages) { 17890 mSettings.writePackageRestrictionsLPr(userId); 17891 mDirtyUsers.remove(userId); 17892 if (mDirtyUsers.isEmpty()) { 17893 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17894 } 17895 } 17896 } 17897 17898 private void sendPackageChangedBroadcast(String packageName, 17899 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17900 if (DEBUG_INSTALL) 17901 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17902 + componentNames); 17903 Bundle extras = new Bundle(4); 17904 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17905 String nameList[] = new String[componentNames.size()]; 17906 componentNames.toArray(nameList); 17907 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17908 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17909 extras.putInt(Intent.EXTRA_UID, packageUid); 17910 // If this is not reporting a change of the overall package, then only send it 17911 // to registered receivers. We don't want to launch a swath of apps for every 17912 // little component state change. 17913 final int flags = !componentNames.contains(packageName) 17914 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17915 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17916 new int[] {UserHandle.getUserId(packageUid)}); 17917 } 17918 17919 @Override 17920 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17921 if (!sUserManager.exists(userId)) return; 17922 final int uid = Binder.getCallingUid(); 17923 final int permission = mContext.checkCallingOrSelfPermission( 17924 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17925 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17926 enforceCrossUserPermission(uid, userId, 17927 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17928 // writer 17929 synchronized (mPackages) { 17930 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17931 allowedByPermission, uid, userId)) { 17932 scheduleWritePackageRestrictionsLocked(userId); 17933 } 17934 } 17935 } 17936 17937 @Override 17938 public String getInstallerPackageName(String packageName) { 17939 // reader 17940 synchronized (mPackages) { 17941 return mSettings.getInstallerPackageNameLPr(packageName); 17942 } 17943 } 17944 17945 public boolean isOrphaned(String packageName) { 17946 // reader 17947 synchronized (mPackages) { 17948 return mSettings.isOrphaned(packageName); 17949 } 17950 } 17951 17952 @Override 17953 public int getApplicationEnabledSetting(String packageName, int userId) { 17954 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17955 int uid = Binder.getCallingUid(); 17956 enforceCrossUserPermission(uid, userId, 17957 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17958 // reader 17959 synchronized (mPackages) { 17960 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17961 } 17962 } 17963 17964 @Override 17965 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17966 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17967 int uid = Binder.getCallingUid(); 17968 enforceCrossUserPermission(uid, userId, 17969 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17970 // reader 17971 synchronized (mPackages) { 17972 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17973 } 17974 } 17975 17976 @Override 17977 public void enterSafeMode() { 17978 enforceSystemOrRoot("Only the system can request entering safe mode"); 17979 17980 if (!mSystemReady) { 17981 mSafeMode = true; 17982 } 17983 } 17984 17985 @Override 17986 public void systemReady() { 17987 mSystemReady = true; 17988 17989 // Read the compatibilty setting when the system is ready. 17990 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17991 mContext.getContentResolver(), 17992 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17993 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17994 if (DEBUG_SETTINGS) { 17995 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17996 } 17997 17998 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17999 18000 synchronized (mPackages) { 18001 // Verify that all of the preferred activity components actually 18002 // exist. It is possible for applications to be updated and at 18003 // that point remove a previously declared activity component that 18004 // had been set as a preferred activity. We try to clean this up 18005 // the next time we encounter that preferred activity, but it is 18006 // possible for the user flow to never be able to return to that 18007 // situation so here we do a sanity check to make sure we haven't 18008 // left any junk around. 18009 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 18010 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18011 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18012 removed.clear(); 18013 for (PreferredActivity pa : pir.filterSet()) { 18014 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 18015 removed.add(pa); 18016 } 18017 } 18018 if (removed.size() > 0) { 18019 for (int r=0; r<removed.size(); r++) { 18020 PreferredActivity pa = removed.get(r); 18021 Slog.w(TAG, "Removing dangling preferred activity: " 18022 + pa.mPref.mComponent); 18023 pir.removeFilter(pa); 18024 } 18025 mSettings.writePackageRestrictionsLPr( 18026 mSettings.mPreferredActivities.keyAt(i)); 18027 } 18028 } 18029 18030 for (int userId : UserManagerService.getInstance().getUserIds()) { 18031 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 18032 grantPermissionsUserIds = ArrayUtils.appendInt( 18033 grantPermissionsUserIds, userId); 18034 } 18035 } 18036 } 18037 sUserManager.systemReady(); 18038 18039 // If we upgraded grant all default permissions before kicking off. 18040 for (int userId : grantPermissionsUserIds) { 18041 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18042 } 18043 18044 // Kick off any messages waiting for system ready 18045 if (mPostSystemReadyMessages != null) { 18046 for (Message msg : mPostSystemReadyMessages) { 18047 msg.sendToTarget(); 18048 } 18049 mPostSystemReadyMessages = null; 18050 } 18051 18052 // Watch for external volumes that come and go over time 18053 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18054 storage.registerListener(mStorageListener); 18055 18056 mInstallerService.systemReady(); 18057 mPackageDexOptimizer.systemReady(); 18058 18059 MountServiceInternal mountServiceInternal = LocalServices.getService( 18060 MountServiceInternal.class); 18061 mountServiceInternal.addExternalStoragePolicy( 18062 new MountServiceInternal.ExternalStorageMountPolicy() { 18063 @Override 18064 public int getMountMode(int uid, String packageName) { 18065 if (Process.isIsolated(uid)) { 18066 return Zygote.MOUNT_EXTERNAL_NONE; 18067 } 18068 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18069 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18070 } 18071 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18072 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18073 } 18074 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18075 return Zygote.MOUNT_EXTERNAL_READ; 18076 } 18077 return Zygote.MOUNT_EXTERNAL_WRITE; 18078 } 18079 18080 @Override 18081 public boolean hasExternalStorage(int uid, String packageName) { 18082 return true; 18083 } 18084 }); 18085 18086 // Now that we're mostly running, clean up stale users and apps 18087 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18088 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18089 } 18090 18091 @Override 18092 public boolean isSafeMode() { 18093 return mSafeMode; 18094 } 18095 18096 @Override 18097 public boolean hasSystemUidErrors() { 18098 return mHasSystemUidErrors; 18099 } 18100 18101 static String arrayToString(int[] array) { 18102 StringBuffer buf = new StringBuffer(128); 18103 buf.append('['); 18104 if (array != null) { 18105 for (int i=0; i<array.length; i++) { 18106 if (i > 0) buf.append(", "); 18107 buf.append(array[i]); 18108 } 18109 } 18110 buf.append(']'); 18111 return buf.toString(); 18112 } 18113 18114 static class DumpState { 18115 public static final int DUMP_LIBS = 1 << 0; 18116 public static final int DUMP_FEATURES = 1 << 1; 18117 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18118 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18119 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18120 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18121 public static final int DUMP_PERMISSIONS = 1 << 6; 18122 public static final int DUMP_PACKAGES = 1 << 7; 18123 public static final int DUMP_SHARED_USERS = 1 << 8; 18124 public static final int DUMP_MESSAGES = 1 << 9; 18125 public static final int DUMP_PROVIDERS = 1 << 10; 18126 public static final int DUMP_VERIFIERS = 1 << 11; 18127 public static final int DUMP_PREFERRED = 1 << 12; 18128 public static final int DUMP_PREFERRED_XML = 1 << 13; 18129 public static final int DUMP_KEYSETS = 1 << 14; 18130 public static final int DUMP_VERSION = 1 << 15; 18131 public static final int DUMP_INSTALLS = 1 << 16; 18132 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18133 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18134 public static final int DUMP_FROZEN = 1 << 19; 18135 public static final int DUMP_DEXOPT = 1 << 20; 18136 18137 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18138 18139 private int mTypes; 18140 18141 private int mOptions; 18142 18143 private boolean mTitlePrinted; 18144 18145 private SharedUserSetting mSharedUser; 18146 18147 public boolean isDumping(int type) { 18148 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18149 return true; 18150 } 18151 18152 return (mTypes & type) != 0; 18153 } 18154 18155 public void setDump(int type) { 18156 mTypes |= type; 18157 } 18158 18159 public boolean isOptionEnabled(int option) { 18160 return (mOptions & option) != 0; 18161 } 18162 18163 public void setOptionEnabled(int option) { 18164 mOptions |= option; 18165 } 18166 18167 public boolean onTitlePrinted() { 18168 final boolean printed = mTitlePrinted; 18169 mTitlePrinted = true; 18170 return printed; 18171 } 18172 18173 public boolean getTitlePrinted() { 18174 return mTitlePrinted; 18175 } 18176 18177 public void setTitlePrinted(boolean enabled) { 18178 mTitlePrinted = enabled; 18179 } 18180 18181 public SharedUserSetting getSharedUser() { 18182 return mSharedUser; 18183 } 18184 18185 public void setSharedUser(SharedUserSetting user) { 18186 mSharedUser = user; 18187 } 18188 } 18189 18190 @Override 18191 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18192 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18193 (new PackageManagerShellCommand(this)).exec( 18194 this, in, out, err, args, resultReceiver); 18195 } 18196 18197 @Override 18198 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18199 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18200 != PackageManager.PERMISSION_GRANTED) { 18201 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18202 + Binder.getCallingPid() 18203 + ", uid=" + Binder.getCallingUid() 18204 + " without permission " 18205 + android.Manifest.permission.DUMP); 18206 return; 18207 } 18208 18209 DumpState dumpState = new DumpState(); 18210 boolean fullPreferred = false; 18211 boolean checkin = false; 18212 18213 String packageName = null; 18214 ArraySet<String> permissionNames = null; 18215 18216 int opti = 0; 18217 while (opti < args.length) { 18218 String opt = args[opti]; 18219 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18220 break; 18221 } 18222 opti++; 18223 18224 if ("-a".equals(opt)) { 18225 // Right now we only know how to print all. 18226 } else if ("-h".equals(opt)) { 18227 pw.println("Package manager dump options:"); 18228 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18229 pw.println(" --checkin: dump for a checkin"); 18230 pw.println(" -f: print details of intent filters"); 18231 pw.println(" -h: print this help"); 18232 pw.println(" cmd may be one of:"); 18233 pw.println(" l[ibraries]: list known shared libraries"); 18234 pw.println(" f[eatures]: list device features"); 18235 pw.println(" k[eysets]: print known keysets"); 18236 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18237 pw.println(" perm[issions]: dump permissions"); 18238 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18239 pw.println(" pref[erred]: print preferred package settings"); 18240 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18241 pw.println(" prov[iders]: dump content providers"); 18242 pw.println(" p[ackages]: dump installed packages"); 18243 pw.println(" s[hared-users]: dump shared user IDs"); 18244 pw.println(" m[essages]: print collected runtime messages"); 18245 pw.println(" v[erifiers]: print package verifier info"); 18246 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18247 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18248 pw.println(" version: print database version info"); 18249 pw.println(" write: write current settings now"); 18250 pw.println(" installs: details about install sessions"); 18251 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18252 pw.println(" dexopt: dump dexopt state"); 18253 pw.println(" <package.name>: info about given package"); 18254 return; 18255 } else if ("--checkin".equals(opt)) { 18256 checkin = true; 18257 } else if ("-f".equals(opt)) { 18258 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18259 } else { 18260 pw.println("Unknown argument: " + opt + "; use -h for help"); 18261 } 18262 } 18263 18264 // Is the caller requesting to dump a particular piece of data? 18265 if (opti < args.length) { 18266 String cmd = args[opti]; 18267 opti++; 18268 // Is this a package name? 18269 if ("android".equals(cmd) || cmd.contains(".")) { 18270 packageName = cmd; 18271 // When dumping a single package, we always dump all of its 18272 // filter information since the amount of data will be reasonable. 18273 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18274 } else if ("check-permission".equals(cmd)) { 18275 if (opti >= args.length) { 18276 pw.println("Error: check-permission missing permission argument"); 18277 return; 18278 } 18279 String perm = args[opti]; 18280 opti++; 18281 if (opti >= args.length) { 18282 pw.println("Error: check-permission missing package argument"); 18283 return; 18284 } 18285 String pkg = args[opti]; 18286 opti++; 18287 int user = UserHandle.getUserId(Binder.getCallingUid()); 18288 if (opti < args.length) { 18289 try { 18290 user = Integer.parseInt(args[opti]); 18291 } catch (NumberFormatException e) { 18292 pw.println("Error: check-permission user argument is not a number: " 18293 + args[opti]); 18294 return; 18295 } 18296 } 18297 pw.println(checkPermission(perm, pkg, user)); 18298 return; 18299 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18300 dumpState.setDump(DumpState.DUMP_LIBS); 18301 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18302 dumpState.setDump(DumpState.DUMP_FEATURES); 18303 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18304 if (opti >= args.length) { 18305 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18306 | DumpState.DUMP_SERVICE_RESOLVERS 18307 | DumpState.DUMP_RECEIVER_RESOLVERS 18308 | DumpState.DUMP_CONTENT_RESOLVERS); 18309 } else { 18310 while (opti < args.length) { 18311 String name = args[opti]; 18312 if ("a".equals(name) || "activity".equals(name)) { 18313 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18314 } else if ("s".equals(name) || "service".equals(name)) { 18315 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18316 } else if ("r".equals(name) || "receiver".equals(name)) { 18317 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18318 } else if ("c".equals(name) || "content".equals(name)) { 18319 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18320 } else { 18321 pw.println("Error: unknown resolver table type: " + name); 18322 return; 18323 } 18324 opti++; 18325 } 18326 } 18327 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18328 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18329 } else if ("permission".equals(cmd)) { 18330 if (opti >= args.length) { 18331 pw.println("Error: permission requires permission name"); 18332 return; 18333 } 18334 permissionNames = new ArraySet<>(); 18335 while (opti < args.length) { 18336 permissionNames.add(args[opti]); 18337 opti++; 18338 } 18339 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18340 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18341 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18342 dumpState.setDump(DumpState.DUMP_PREFERRED); 18343 } else if ("preferred-xml".equals(cmd)) { 18344 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18345 if (opti < args.length && "--full".equals(args[opti])) { 18346 fullPreferred = true; 18347 opti++; 18348 } 18349 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18350 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18351 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18352 dumpState.setDump(DumpState.DUMP_PACKAGES); 18353 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18354 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18355 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18356 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18357 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18358 dumpState.setDump(DumpState.DUMP_MESSAGES); 18359 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18360 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18361 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18362 || "intent-filter-verifiers".equals(cmd)) { 18363 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18364 } else if ("version".equals(cmd)) { 18365 dumpState.setDump(DumpState.DUMP_VERSION); 18366 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18367 dumpState.setDump(DumpState.DUMP_KEYSETS); 18368 } else if ("installs".equals(cmd)) { 18369 dumpState.setDump(DumpState.DUMP_INSTALLS); 18370 } else if ("frozen".equals(cmd)) { 18371 dumpState.setDump(DumpState.DUMP_FROZEN); 18372 } else if ("dexopt".equals(cmd)) { 18373 dumpState.setDump(DumpState.DUMP_DEXOPT); 18374 } else if ("write".equals(cmd)) { 18375 synchronized (mPackages) { 18376 mSettings.writeLPr(); 18377 pw.println("Settings written."); 18378 return; 18379 } 18380 } 18381 } 18382 18383 if (checkin) { 18384 pw.println("vers,1"); 18385 } 18386 18387 // reader 18388 synchronized (mPackages) { 18389 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18390 if (!checkin) { 18391 if (dumpState.onTitlePrinted()) 18392 pw.println(); 18393 pw.println("Database versions:"); 18394 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18395 } 18396 } 18397 18398 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18399 if (!checkin) { 18400 if (dumpState.onTitlePrinted()) 18401 pw.println(); 18402 pw.println("Verifiers:"); 18403 pw.print(" Required: "); 18404 pw.print(mRequiredVerifierPackage); 18405 pw.print(" (uid="); 18406 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18407 UserHandle.USER_SYSTEM)); 18408 pw.println(")"); 18409 } else if (mRequiredVerifierPackage != null) { 18410 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18411 pw.print(","); 18412 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18413 UserHandle.USER_SYSTEM)); 18414 } 18415 } 18416 18417 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18418 packageName == null) { 18419 if (mIntentFilterVerifierComponent != null) { 18420 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18421 if (!checkin) { 18422 if (dumpState.onTitlePrinted()) 18423 pw.println(); 18424 pw.println("Intent Filter Verifier:"); 18425 pw.print(" Using: "); 18426 pw.print(verifierPackageName); 18427 pw.print(" (uid="); 18428 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18429 UserHandle.USER_SYSTEM)); 18430 pw.println(")"); 18431 } else if (verifierPackageName != null) { 18432 pw.print("ifv,"); pw.print(verifierPackageName); 18433 pw.print(","); 18434 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18435 UserHandle.USER_SYSTEM)); 18436 } 18437 } else { 18438 pw.println(); 18439 pw.println("No Intent Filter Verifier available!"); 18440 } 18441 } 18442 18443 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18444 boolean printedHeader = false; 18445 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18446 while (it.hasNext()) { 18447 String name = it.next(); 18448 SharedLibraryEntry ent = mSharedLibraries.get(name); 18449 if (!checkin) { 18450 if (!printedHeader) { 18451 if (dumpState.onTitlePrinted()) 18452 pw.println(); 18453 pw.println("Libraries:"); 18454 printedHeader = true; 18455 } 18456 pw.print(" "); 18457 } else { 18458 pw.print("lib,"); 18459 } 18460 pw.print(name); 18461 if (!checkin) { 18462 pw.print(" -> "); 18463 } 18464 if (ent.path != null) { 18465 if (!checkin) { 18466 pw.print("(jar) "); 18467 pw.print(ent.path); 18468 } else { 18469 pw.print(",jar,"); 18470 pw.print(ent.path); 18471 } 18472 } else { 18473 if (!checkin) { 18474 pw.print("(apk) "); 18475 pw.print(ent.apk); 18476 } else { 18477 pw.print(",apk,"); 18478 pw.print(ent.apk); 18479 } 18480 } 18481 pw.println(); 18482 } 18483 } 18484 18485 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18486 if (dumpState.onTitlePrinted()) 18487 pw.println(); 18488 if (!checkin) { 18489 pw.println("Features:"); 18490 } 18491 18492 for (FeatureInfo feat : mAvailableFeatures.values()) { 18493 if (checkin) { 18494 pw.print("feat,"); 18495 pw.print(feat.name); 18496 pw.print(","); 18497 pw.println(feat.version); 18498 } else { 18499 pw.print(" "); 18500 pw.print(feat.name); 18501 if (feat.version > 0) { 18502 pw.print(" version="); 18503 pw.print(feat.version); 18504 } 18505 pw.println(); 18506 } 18507 } 18508 } 18509 18510 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18511 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18512 : "Activity Resolver Table:", " ", packageName, 18513 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18514 dumpState.setTitlePrinted(true); 18515 } 18516 } 18517 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18518 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18519 : "Receiver Resolver Table:", " ", packageName, 18520 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18521 dumpState.setTitlePrinted(true); 18522 } 18523 } 18524 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18525 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18526 : "Service Resolver Table:", " ", packageName, 18527 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18528 dumpState.setTitlePrinted(true); 18529 } 18530 } 18531 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18532 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18533 : "Provider Resolver Table:", " ", packageName, 18534 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18535 dumpState.setTitlePrinted(true); 18536 } 18537 } 18538 18539 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18540 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18541 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18542 int user = mSettings.mPreferredActivities.keyAt(i); 18543 if (pir.dump(pw, 18544 dumpState.getTitlePrinted() 18545 ? "\nPreferred Activities User " + user + ":" 18546 : "Preferred Activities User " + user + ":", " ", 18547 packageName, true, false)) { 18548 dumpState.setTitlePrinted(true); 18549 } 18550 } 18551 } 18552 18553 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18554 pw.flush(); 18555 FileOutputStream fout = new FileOutputStream(fd); 18556 BufferedOutputStream str = new BufferedOutputStream(fout); 18557 XmlSerializer serializer = new FastXmlSerializer(); 18558 try { 18559 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18560 serializer.startDocument(null, true); 18561 serializer.setFeature( 18562 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18563 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18564 serializer.endDocument(); 18565 serializer.flush(); 18566 } catch (IllegalArgumentException e) { 18567 pw.println("Failed writing: " + e); 18568 } catch (IllegalStateException e) { 18569 pw.println("Failed writing: " + e); 18570 } catch (IOException e) { 18571 pw.println("Failed writing: " + e); 18572 } 18573 } 18574 18575 if (!checkin 18576 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18577 && packageName == null) { 18578 pw.println(); 18579 int count = mSettings.mPackages.size(); 18580 if (count == 0) { 18581 pw.println("No applications!"); 18582 pw.println(); 18583 } else { 18584 final String prefix = " "; 18585 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18586 if (allPackageSettings.size() == 0) { 18587 pw.println("No domain preferred apps!"); 18588 pw.println(); 18589 } else { 18590 pw.println("App verification status:"); 18591 pw.println(); 18592 count = 0; 18593 for (PackageSetting ps : allPackageSettings) { 18594 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18595 if (ivi == null || ivi.getPackageName() == null) continue; 18596 pw.println(prefix + "Package: " + ivi.getPackageName()); 18597 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18598 pw.println(prefix + "Status: " + ivi.getStatusString()); 18599 pw.println(); 18600 count++; 18601 } 18602 if (count == 0) { 18603 pw.println(prefix + "No app verification established."); 18604 pw.println(); 18605 } 18606 for (int userId : sUserManager.getUserIds()) { 18607 pw.println("App linkages for user " + userId + ":"); 18608 pw.println(); 18609 count = 0; 18610 for (PackageSetting ps : allPackageSettings) { 18611 final long status = ps.getDomainVerificationStatusForUser(userId); 18612 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18613 continue; 18614 } 18615 pw.println(prefix + "Package: " + ps.name); 18616 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18617 String statusStr = IntentFilterVerificationInfo. 18618 getStatusStringFromValue(status); 18619 pw.println(prefix + "Status: " + statusStr); 18620 pw.println(); 18621 count++; 18622 } 18623 if (count == 0) { 18624 pw.println(prefix + "No configured app linkages."); 18625 pw.println(); 18626 } 18627 } 18628 } 18629 } 18630 } 18631 18632 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18633 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18634 if (packageName == null && permissionNames == null) { 18635 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18636 if (iperm == 0) { 18637 if (dumpState.onTitlePrinted()) 18638 pw.println(); 18639 pw.println("AppOp Permissions:"); 18640 } 18641 pw.print(" AppOp Permission "); 18642 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18643 pw.println(":"); 18644 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18645 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18646 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18647 } 18648 } 18649 } 18650 } 18651 18652 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18653 boolean printedSomething = false; 18654 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18655 if (packageName != null && !packageName.equals(p.info.packageName)) { 18656 continue; 18657 } 18658 if (!printedSomething) { 18659 if (dumpState.onTitlePrinted()) 18660 pw.println(); 18661 pw.println("Registered ContentProviders:"); 18662 printedSomething = true; 18663 } 18664 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18665 pw.print(" "); pw.println(p.toString()); 18666 } 18667 printedSomething = false; 18668 for (Map.Entry<String, PackageParser.Provider> entry : 18669 mProvidersByAuthority.entrySet()) { 18670 PackageParser.Provider p = entry.getValue(); 18671 if (packageName != null && !packageName.equals(p.info.packageName)) { 18672 continue; 18673 } 18674 if (!printedSomething) { 18675 if (dumpState.onTitlePrinted()) 18676 pw.println(); 18677 pw.println("ContentProvider Authorities:"); 18678 printedSomething = true; 18679 } 18680 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18681 pw.print(" "); pw.println(p.toString()); 18682 if (p.info != null && p.info.applicationInfo != null) { 18683 final String appInfo = p.info.applicationInfo.toString(); 18684 pw.print(" applicationInfo="); pw.println(appInfo); 18685 } 18686 } 18687 } 18688 18689 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18690 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18691 } 18692 18693 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18694 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18695 } 18696 18697 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18698 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18699 } 18700 18701 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18702 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18703 } 18704 18705 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18706 // XXX should handle packageName != null by dumping only install data that 18707 // the given package is involved with. 18708 if (dumpState.onTitlePrinted()) pw.println(); 18709 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18710 } 18711 18712 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18713 // XXX should handle packageName != null by dumping only install data that 18714 // the given package is involved with. 18715 if (dumpState.onTitlePrinted()) pw.println(); 18716 18717 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18718 ipw.println(); 18719 ipw.println("Frozen packages:"); 18720 ipw.increaseIndent(); 18721 if (mFrozenPackages.size() == 0) { 18722 ipw.println("(none)"); 18723 } else { 18724 for (int i = 0; i < mFrozenPackages.size(); i++) { 18725 ipw.println(mFrozenPackages.valueAt(i)); 18726 } 18727 } 18728 ipw.decreaseIndent(); 18729 } 18730 18731 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18732 if (dumpState.onTitlePrinted()) pw.println(); 18733 dumpDexoptStateLPr(pw, packageName); 18734 } 18735 18736 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18737 if (dumpState.onTitlePrinted()) pw.println(); 18738 mSettings.dumpReadMessagesLPr(pw, dumpState); 18739 18740 pw.println(); 18741 pw.println("Package warning messages:"); 18742 BufferedReader in = null; 18743 String line = null; 18744 try { 18745 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18746 while ((line = in.readLine()) != null) { 18747 if (line.contains("ignored: updated version")) continue; 18748 pw.println(line); 18749 } 18750 } catch (IOException ignored) { 18751 } finally { 18752 IoUtils.closeQuietly(in); 18753 } 18754 } 18755 18756 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18757 BufferedReader in = null; 18758 String line = null; 18759 try { 18760 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18761 while ((line = in.readLine()) != null) { 18762 if (line.contains("ignored: updated version")) continue; 18763 pw.print("msg,"); 18764 pw.println(line); 18765 } 18766 } catch (IOException ignored) { 18767 } finally { 18768 IoUtils.closeQuietly(in); 18769 } 18770 } 18771 } 18772 } 18773 18774 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18775 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18776 ipw.println(); 18777 ipw.println("Dexopt state:"); 18778 ipw.increaseIndent(); 18779 Collection<PackageParser.Package> packages = null; 18780 if (packageName != null) { 18781 PackageParser.Package targetPackage = mPackages.get(packageName); 18782 if (targetPackage != null) { 18783 packages = Collections.singletonList(targetPackage); 18784 } else { 18785 ipw.println("Unable to find package: " + packageName); 18786 return; 18787 } 18788 } else { 18789 packages = mPackages.values(); 18790 } 18791 18792 for (PackageParser.Package pkg : packages) { 18793 ipw.println("[" + pkg.packageName + "]"); 18794 ipw.increaseIndent(); 18795 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18796 ipw.decreaseIndent(); 18797 } 18798 } 18799 18800 private String dumpDomainString(String packageName) { 18801 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18802 .getList(); 18803 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18804 18805 ArraySet<String> result = new ArraySet<>(); 18806 if (iviList.size() > 0) { 18807 for (IntentFilterVerificationInfo ivi : iviList) { 18808 for (String host : ivi.getDomains()) { 18809 result.add(host); 18810 } 18811 } 18812 } 18813 if (filters != null && filters.size() > 0) { 18814 for (IntentFilter filter : filters) { 18815 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18816 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18817 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18818 result.addAll(filter.getHostsList()); 18819 } 18820 } 18821 } 18822 18823 StringBuilder sb = new StringBuilder(result.size() * 16); 18824 for (String domain : result) { 18825 if (sb.length() > 0) sb.append(" "); 18826 sb.append(domain); 18827 } 18828 return sb.toString(); 18829 } 18830 18831 // ------- apps on sdcard specific code ------- 18832 static final boolean DEBUG_SD_INSTALL = false; 18833 18834 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18835 18836 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18837 18838 private boolean mMediaMounted = false; 18839 18840 static String getEncryptKey() { 18841 try { 18842 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18843 SD_ENCRYPTION_KEYSTORE_NAME); 18844 if (sdEncKey == null) { 18845 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18846 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18847 if (sdEncKey == null) { 18848 Slog.e(TAG, "Failed to create encryption keys"); 18849 return null; 18850 } 18851 } 18852 return sdEncKey; 18853 } catch (NoSuchAlgorithmException nsae) { 18854 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18855 return null; 18856 } catch (IOException ioe) { 18857 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18858 return null; 18859 } 18860 } 18861 18862 /* 18863 * Update media status on PackageManager. 18864 */ 18865 @Override 18866 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18867 int callingUid = Binder.getCallingUid(); 18868 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18869 throw new SecurityException("Media status can only be updated by the system"); 18870 } 18871 // reader; this apparently protects mMediaMounted, but should probably 18872 // be a different lock in that case. 18873 synchronized (mPackages) { 18874 Log.i(TAG, "Updating external media status from " 18875 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18876 + (mediaStatus ? "mounted" : "unmounted")); 18877 if (DEBUG_SD_INSTALL) 18878 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18879 + ", mMediaMounted=" + mMediaMounted); 18880 if (mediaStatus == mMediaMounted) { 18881 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18882 : 0, -1); 18883 mHandler.sendMessage(msg); 18884 return; 18885 } 18886 mMediaMounted = mediaStatus; 18887 } 18888 // Queue up an async operation since the package installation may take a 18889 // little while. 18890 mHandler.post(new Runnable() { 18891 public void run() { 18892 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18893 } 18894 }); 18895 } 18896 18897 /** 18898 * Called by MountService when the initial ASECs to scan are available. 18899 * Should block until all the ASEC containers are finished being scanned. 18900 */ 18901 public void scanAvailableAsecs() { 18902 updateExternalMediaStatusInner(true, false, false); 18903 } 18904 18905 /* 18906 * Collect information of applications on external media, map them against 18907 * existing containers and update information based on current mount status. 18908 * Please note that we always have to report status if reportStatus has been 18909 * set to true especially when unloading packages. 18910 */ 18911 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18912 boolean externalStorage) { 18913 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18914 int[] uidArr = EmptyArray.INT; 18915 18916 final String[] list = PackageHelper.getSecureContainerList(); 18917 if (ArrayUtils.isEmpty(list)) { 18918 Log.i(TAG, "No secure containers found"); 18919 } else { 18920 // Process list of secure containers and categorize them 18921 // as active or stale based on their package internal state. 18922 18923 // reader 18924 synchronized (mPackages) { 18925 for (String cid : list) { 18926 // Leave stages untouched for now; installer service owns them 18927 if (PackageInstallerService.isStageName(cid)) continue; 18928 18929 if (DEBUG_SD_INSTALL) 18930 Log.i(TAG, "Processing container " + cid); 18931 String pkgName = getAsecPackageName(cid); 18932 if (pkgName == null) { 18933 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18934 continue; 18935 } 18936 if (DEBUG_SD_INSTALL) 18937 Log.i(TAG, "Looking for pkg : " + pkgName); 18938 18939 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18940 if (ps == null) { 18941 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18942 continue; 18943 } 18944 18945 /* 18946 * Skip packages that are not external if we're unmounting 18947 * external storage. 18948 */ 18949 if (externalStorage && !isMounted && !isExternal(ps)) { 18950 continue; 18951 } 18952 18953 final AsecInstallArgs args = new AsecInstallArgs(cid, 18954 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18955 // The package status is changed only if the code path 18956 // matches between settings and the container id. 18957 if (ps.codePathString != null 18958 && ps.codePathString.startsWith(args.getCodePath())) { 18959 if (DEBUG_SD_INSTALL) { 18960 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18961 + " at code path: " + ps.codePathString); 18962 } 18963 18964 // We do have a valid package installed on sdcard 18965 processCids.put(args, ps.codePathString); 18966 final int uid = ps.appId; 18967 if (uid != -1) { 18968 uidArr = ArrayUtils.appendInt(uidArr, uid); 18969 } 18970 } else { 18971 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18972 + ps.codePathString); 18973 } 18974 } 18975 } 18976 18977 Arrays.sort(uidArr); 18978 } 18979 18980 // Process packages with valid entries. 18981 if (isMounted) { 18982 if (DEBUG_SD_INSTALL) 18983 Log.i(TAG, "Loading packages"); 18984 loadMediaPackages(processCids, uidArr, externalStorage); 18985 startCleaningPackages(); 18986 mInstallerService.onSecureContainersAvailable(); 18987 } else { 18988 if (DEBUG_SD_INSTALL) 18989 Log.i(TAG, "Unloading packages"); 18990 unloadMediaPackages(processCids, uidArr, reportStatus); 18991 } 18992 } 18993 18994 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18995 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18996 final int size = infos.size(); 18997 final String[] packageNames = new String[size]; 18998 final int[] packageUids = new int[size]; 18999 for (int i = 0; i < size; i++) { 19000 final ApplicationInfo info = infos.get(i); 19001 packageNames[i] = info.packageName; 19002 packageUids[i] = info.uid; 19003 } 19004 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 19005 finishedReceiver); 19006 } 19007 19008 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19009 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19010 sendResourcesChangedBroadcast(mediaStatus, replacing, 19011 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 19012 } 19013 19014 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 19015 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 19016 int size = pkgList.length; 19017 if (size > 0) { 19018 // Send broadcasts here 19019 Bundle extras = new Bundle(); 19020 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 19021 if (uidArr != null) { 19022 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 19023 } 19024 if (replacing) { 19025 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 19026 } 19027 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 19028 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 19029 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 19030 } 19031 } 19032 19033 /* 19034 * Look at potentially valid container ids from processCids If package 19035 * information doesn't match the one on record or package scanning fails, 19036 * the cid is added to list of removeCids. We currently don't delete stale 19037 * containers. 19038 */ 19039 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19040 boolean externalStorage) { 19041 ArrayList<String> pkgList = new ArrayList<String>(); 19042 Set<AsecInstallArgs> keys = processCids.keySet(); 19043 19044 for (AsecInstallArgs args : keys) { 19045 String codePath = processCids.get(args); 19046 if (DEBUG_SD_INSTALL) 19047 Log.i(TAG, "Loading container : " + args.cid); 19048 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19049 try { 19050 // Make sure there are no container errors first. 19051 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19052 Slog.e(TAG, "Failed to mount cid : " + args.cid 19053 + " when installing from sdcard"); 19054 continue; 19055 } 19056 // Check code path here. 19057 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19058 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19059 + " does not match one in settings " + codePath); 19060 continue; 19061 } 19062 // Parse package 19063 int parseFlags = mDefParseFlags; 19064 if (args.isExternalAsec()) { 19065 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19066 } 19067 if (args.isFwdLocked()) { 19068 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19069 } 19070 19071 synchronized (mInstallLock) { 19072 PackageParser.Package pkg = null; 19073 try { 19074 // Sadly we don't know the package name yet to freeze it 19075 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19076 SCAN_IGNORE_FROZEN, 0, null); 19077 } catch (PackageManagerException e) { 19078 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19079 } 19080 // Scan the package 19081 if (pkg != null) { 19082 /* 19083 * TODO why is the lock being held? doPostInstall is 19084 * called in other places without the lock. This needs 19085 * to be straightened out. 19086 */ 19087 // writer 19088 synchronized (mPackages) { 19089 retCode = PackageManager.INSTALL_SUCCEEDED; 19090 pkgList.add(pkg.packageName); 19091 // Post process args 19092 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19093 pkg.applicationInfo.uid); 19094 } 19095 } else { 19096 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19097 } 19098 } 19099 19100 } finally { 19101 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19102 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19103 } 19104 } 19105 } 19106 // writer 19107 synchronized (mPackages) { 19108 // If the platform SDK has changed since the last time we booted, 19109 // we need to re-grant app permission to catch any new ones that 19110 // appear. This is really a hack, and means that apps can in some 19111 // cases get permissions that the user didn't initially explicitly 19112 // allow... it would be nice to have some better way to handle 19113 // this situation. 19114 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19115 : mSettings.getInternalVersion(); 19116 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19117 : StorageManager.UUID_PRIVATE_INTERNAL; 19118 19119 int updateFlags = UPDATE_PERMISSIONS_ALL; 19120 if (ver.sdkVersion != mSdkVersion) { 19121 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19122 + mSdkVersion + "; regranting permissions for external"); 19123 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19124 } 19125 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19126 19127 // Yay, everything is now upgraded 19128 ver.forceCurrent(); 19129 19130 // can downgrade to reader 19131 // Persist settings 19132 mSettings.writeLPr(); 19133 } 19134 // Send a broadcast to let everyone know we are done processing 19135 if (pkgList.size() > 0) { 19136 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19137 } 19138 } 19139 19140 /* 19141 * Utility method to unload a list of specified containers 19142 */ 19143 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19144 // Just unmount all valid containers. 19145 for (AsecInstallArgs arg : cidArgs) { 19146 synchronized (mInstallLock) { 19147 arg.doPostDeleteLI(false); 19148 } 19149 } 19150 } 19151 19152 /* 19153 * Unload packages mounted on external media. This involves deleting package 19154 * data from internal structures, sending broadcasts about disabled packages, 19155 * gc'ing to free up references, unmounting all secure containers 19156 * corresponding to packages on external media, and posting a 19157 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19158 * that we always have to post this message if status has been requested no 19159 * matter what. 19160 */ 19161 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19162 final boolean reportStatus) { 19163 if (DEBUG_SD_INSTALL) 19164 Log.i(TAG, "unloading media packages"); 19165 ArrayList<String> pkgList = new ArrayList<String>(); 19166 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19167 final Set<AsecInstallArgs> keys = processCids.keySet(); 19168 for (AsecInstallArgs args : keys) { 19169 String pkgName = args.getPackageName(); 19170 if (DEBUG_SD_INSTALL) 19171 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19172 // Delete package internally 19173 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19174 synchronized (mInstallLock) { 19175 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19176 final boolean res; 19177 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19178 "unloadMediaPackages")) { 19179 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19180 null); 19181 } 19182 if (res) { 19183 pkgList.add(pkgName); 19184 } else { 19185 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19186 failedList.add(args); 19187 } 19188 } 19189 } 19190 19191 // reader 19192 synchronized (mPackages) { 19193 // We didn't update the settings after removing each package; 19194 // write them now for all packages. 19195 mSettings.writeLPr(); 19196 } 19197 19198 // We have to absolutely send UPDATED_MEDIA_STATUS only 19199 // after confirming that all the receivers processed the ordered 19200 // broadcast when packages get disabled, force a gc to clean things up. 19201 // and unload all the containers. 19202 if (pkgList.size() > 0) { 19203 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19204 new IIntentReceiver.Stub() { 19205 public void performReceive(Intent intent, int resultCode, String data, 19206 Bundle extras, boolean ordered, boolean sticky, 19207 int sendingUser) throws RemoteException { 19208 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19209 reportStatus ? 1 : 0, 1, keys); 19210 mHandler.sendMessage(msg); 19211 } 19212 }); 19213 } else { 19214 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19215 keys); 19216 mHandler.sendMessage(msg); 19217 } 19218 } 19219 19220 private void loadPrivatePackages(final VolumeInfo vol) { 19221 mHandler.post(new Runnable() { 19222 @Override 19223 public void run() { 19224 loadPrivatePackagesInner(vol); 19225 } 19226 }); 19227 } 19228 19229 private void loadPrivatePackagesInner(VolumeInfo vol) { 19230 final String volumeUuid = vol.fsUuid; 19231 if (TextUtils.isEmpty(volumeUuid)) { 19232 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19233 return; 19234 } 19235 19236 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19237 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19238 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19239 19240 final VersionInfo ver; 19241 final List<PackageSetting> packages; 19242 synchronized (mPackages) { 19243 ver = mSettings.findOrCreateVersion(volumeUuid); 19244 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19245 } 19246 19247 for (PackageSetting ps : packages) { 19248 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19249 synchronized (mInstallLock) { 19250 final PackageParser.Package pkg; 19251 try { 19252 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19253 loaded.add(pkg.applicationInfo); 19254 19255 } catch (PackageManagerException e) { 19256 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19257 } 19258 19259 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19260 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19261 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19262 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19263 } 19264 } 19265 } 19266 19267 // Reconcile app data for all started/unlocked users 19268 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19269 final UserManager um = mContext.getSystemService(UserManager.class); 19270 UserManagerInternal umInternal = getUserManagerInternal(); 19271 for (UserInfo user : um.getUsers()) { 19272 final int flags; 19273 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19274 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19275 } else if (umInternal.isUserRunning(user.id)) { 19276 flags = StorageManager.FLAG_STORAGE_DE; 19277 } else { 19278 continue; 19279 } 19280 19281 try { 19282 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19283 synchronized (mInstallLock) { 19284 reconcileAppsDataLI(volumeUuid, user.id, flags); 19285 } 19286 } catch (IllegalStateException e) { 19287 // Device was probably ejected, and we'll process that event momentarily 19288 Slog.w(TAG, "Failed to prepare storage: " + e); 19289 } 19290 } 19291 19292 synchronized (mPackages) { 19293 int updateFlags = UPDATE_PERMISSIONS_ALL; 19294 if (ver.sdkVersion != mSdkVersion) { 19295 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19296 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19297 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19298 } 19299 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19300 19301 // Yay, everything is now upgraded 19302 ver.forceCurrent(); 19303 19304 mSettings.writeLPr(); 19305 } 19306 19307 for (PackageFreezer freezer : freezers) { 19308 freezer.close(); 19309 } 19310 19311 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19312 sendResourcesChangedBroadcast(true, false, loaded, null); 19313 } 19314 19315 private void unloadPrivatePackages(final VolumeInfo vol) { 19316 mHandler.post(new Runnable() { 19317 @Override 19318 public void run() { 19319 unloadPrivatePackagesInner(vol); 19320 } 19321 }); 19322 } 19323 19324 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19325 final String volumeUuid = vol.fsUuid; 19326 if (TextUtils.isEmpty(volumeUuid)) { 19327 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19328 return; 19329 } 19330 19331 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19332 synchronized (mInstallLock) { 19333 synchronized (mPackages) { 19334 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19335 for (PackageSetting ps : packages) { 19336 if (ps.pkg == null) continue; 19337 19338 final ApplicationInfo info = ps.pkg.applicationInfo; 19339 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19340 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19341 19342 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19343 "unloadPrivatePackagesInner")) { 19344 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19345 false, null)) { 19346 unloaded.add(info); 19347 } else { 19348 Slog.w(TAG, "Failed to unload " + ps.codePath); 19349 } 19350 } 19351 19352 // Try very hard to release any references to this package 19353 // so we don't risk the system server being killed due to 19354 // open FDs 19355 AttributeCache.instance().removePackage(ps.name); 19356 } 19357 19358 mSettings.writeLPr(); 19359 } 19360 } 19361 19362 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19363 sendResourcesChangedBroadcast(false, false, unloaded, null); 19364 19365 // Try very hard to release any references to this path so we don't risk 19366 // the system server being killed due to open FDs 19367 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19368 19369 for (int i = 0; i < 3; i++) { 19370 System.gc(); 19371 System.runFinalization(); 19372 } 19373 } 19374 19375 /** 19376 * Prepare storage areas for given user on all mounted devices. 19377 */ 19378 void prepareUserData(int userId, int userSerial, int flags) { 19379 synchronized (mInstallLock) { 19380 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19381 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19382 final String volumeUuid = vol.getFsUuid(); 19383 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19384 } 19385 } 19386 } 19387 19388 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19389 boolean allowRecover) { 19390 // Prepare storage and verify that serial numbers are consistent; if 19391 // there's a mismatch we need to destroy to avoid leaking data 19392 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19393 try { 19394 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19395 19396 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19397 UserManagerService.enforceSerialNumber( 19398 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19399 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19400 UserManagerService.enforceSerialNumber( 19401 Environment.getDataSystemDeDirectory(userId), userSerial); 19402 } 19403 } 19404 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19405 UserManagerService.enforceSerialNumber( 19406 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19407 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19408 UserManagerService.enforceSerialNumber( 19409 Environment.getDataSystemCeDirectory(userId), userSerial); 19410 } 19411 } 19412 19413 synchronized (mInstallLock) { 19414 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19415 } 19416 } catch (Exception e) { 19417 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19418 + " because we failed to prepare: " + e); 19419 destroyUserDataLI(volumeUuid, userId, 19420 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19421 19422 if (allowRecover) { 19423 // Try one last time; if we fail again we're really in trouble 19424 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19425 } 19426 } 19427 } 19428 19429 /** 19430 * Destroy storage areas for given user on all mounted devices. 19431 */ 19432 void destroyUserData(int userId, int flags) { 19433 synchronized (mInstallLock) { 19434 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19435 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19436 final String volumeUuid = vol.getFsUuid(); 19437 destroyUserDataLI(volumeUuid, userId, flags); 19438 } 19439 } 19440 } 19441 19442 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19443 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19444 try { 19445 // Clean up app data, profile data, and media data 19446 mInstaller.destroyUserData(volumeUuid, userId, flags); 19447 19448 // Clean up system data 19449 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19450 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19451 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19452 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19453 } 19454 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19455 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19456 } 19457 } 19458 19459 // Data with special labels is now gone, so finish the job 19460 storage.destroyUserStorage(volumeUuid, userId, flags); 19461 19462 } catch (Exception e) { 19463 logCriticalInfo(Log.WARN, 19464 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19465 } 19466 } 19467 19468 /** 19469 * Examine all users present on given mounted volume, and destroy data 19470 * belonging to users that are no longer valid, or whose user ID has been 19471 * recycled. 19472 */ 19473 private void reconcileUsers(String volumeUuid) { 19474 final List<File> files = new ArrayList<>(); 19475 Collections.addAll(files, FileUtils 19476 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19477 Collections.addAll(files, FileUtils 19478 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19479 Collections.addAll(files, FileUtils 19480 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19481 Collections.addAll(files, FileUtils 19482 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19483 for (File file : files) { 19484 if (!file.isDirectory()) continue; 19485 19486 final int userId; 19487 final UserInfo info; 19488 try { 19489 userId = Integer.parseInt(file.getName()); 19490 info = sUserManager.getUserInfo(userId); 19491 } catch (NumberFormatException e) { 19492 Slog.w(TAG, "Invalid user directory " + file); 19493 continue; 19494 } 19495 19496 boolean destroyUser = false; 19497 if (info == null) { 19498 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19499 + " because no matching user was found"); 19500 destroyUser = true; 19501 } else if (!mOnlyCore) { 19502 try { 19503 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19504 } catch (IOException e) { 19505 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19506 + " because we failed to enforce serial number: " + e); 19507 destroyUser = true; 19508 } 19509 } 19510 19511 if (destroyUser) { 19512 synchronized (mInstallLock) { 19513 destroyUserDataLI(volumeUuid, userId, 19514 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19515 } 19516 } 19517 } 19518 } 19519 19520 private void assertPackageKnown(String volumeUuid, String packageName) 19521 throws PackageManagerException { 19522 synchronized (mPackages) { 19523 final PackageSetting ps = mSettings.mPackages.get(packageName); 19524 if (ps == null) { 19525 throw new PackageManagerException("Package " + packageName + " is unknown"); 19526 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19527 throw new PackageManagerException( 19528 "Package " + packageName + " found on unknown volume " + volumeUuid 19529 + "; expected volume " + ps.volumeUuid); 19530 } 19531 } 19532 } 19533 19534 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19535 throws PackageManagerException { 19536 synchronized (mPackages) { 19537 final PackageSetting ps = mSettings.mPackages.get(packageName); 19538 if (ps == null) { 19539 throw new PackageManagerException("Package " + packageName + " is unknown"); 19540 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19541 throw new PackageManagerException( 19542 "Package " + packageName + " found on unknown volume " + volumeUuid 19543 + "; expected volume " + ps.volumeUuid); 19544 } else if (!ps.getInstalled(userId)) { 19545 throw new PackageManagerException( 19546 "Package " + packageName + " not installed for user " + userId); 19547 } 19548 } 19549 } 19550 19551 /** 19552 * Examine all apps present on given mounted volume, and destroy apps that 19553 * aren't expected, either due to uninstallation or reinstallation on 19554 * another volume. 19555 */ 19556 private void reconcileApps(String volumeUuid) { 19557 final File[] files = FileUtils 19558 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19559 for (File file : files) { 19560 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19561 && !PackageInstallerService.isStageName(file.getName()); 19562 if (!isPackage) { 19563 // Ignore entries which are not packages 19564 continue; 19565 } 19566 19567 try { 19568 final PackageLite pkg = PackageParser.parsePackageLite(file, 19569 PackageParser.PARSE_MUST_BE_APK); 19570 assertPackageKnown(volumeUuid, pkg.packageName); 19571 19572 } catch (PackageParserException | PackageManagerException e) { 19573 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19574 synchronized (mInstallLock) { 19575 removeCodePathLI(file); 19576 } 19577 } 19578 } 19579 } 19580 19581 /** 19582 * Reconcile all app data for the given user. 19583 * <p> 19584 * Verifies that directories exist and that ownership and labeling is 19585 * correct for all installed apps on all mounted volumes. 19586 */ 19587 void reconcileAppsData(int userId, int flags) { 19588 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19589 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19590 final String volumeUuid = vol.getFsUuid(); 19591 synchronized (mInstallLock) { 19592 reconcileAppsDataLI(volumeUuid, userId, flags); 19593 } 19594 } 19595 } 19596 19597 /** 19598 * Reconcile all app data on given mounted volume. 19599 * <p> 19600 * Destroys app data that isn't expected, either due to uninstallation or 19601 * reinstallation on another volume. 19602 * <p> 19603 * Verifies that directories exist and that ownership and labeling is 19604 * correct for all installed apps. 19605 */ 19606 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19607 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19608 + Integer.toHexString(flags)); 19609 19610 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19611 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19612 19613 boolean restoreconNeeded = false; 19614 19615 // First look for stale data that doesn't belong, and check if things 19616 // have changed since we did our last restorecon 19617 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19618 if (StorageManager.isFileEncryptedNativeOrEmulated() 19619 && !StorageManager.isUserKeyUnlocked(userId)) { 19620 throw new RuntimeException( 19621 "Yikes, someone asked us to reconcile CE storage while " + userId 19622 + " was still locked; this would have caused massive data loss!"); 19623 } 19624 19625 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19626 19627 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19628 for (File file : files) { 19629 final String packageName = file.getName(); 19630 try { 19631 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19632 } catch (PackageManagerException e) { 19633 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19634 try { 19635 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19636 StorageManager.FLAG_STORAGE_CE, 0); 19637 } catch (InstallerException e2) { 19638 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19639 } 19640 } 19641 } 19642 } 19643 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19644 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19645 19646 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19647 for (File file : files) { 19648 final String packageName = file.getName(); 19649 try { 19650 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19651 } catch (PackageManagerException e) { 19652 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19653 try { 19654 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19655 StorageManager.FLAG_STORAGE_DE, 0); 19656 } catch (InstallerException e2) { 19657 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19658 } 19659 } 19660 } 19661 } 19662 19663 // Ensure that data directories are ready to roll for all packages 19664 // installed for this volume and user 19665 final List<PackageSetting> packages; 19666 synchronized (mPackages) { 19667 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19668 } 19669 int preparedCount = 0; 19670 for (PackageSetting ps : packages) { 19671 final String packageName = ps.name; 19672 if (ps.pkg == null) { 19673 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19674 // TODO: might be due to legacy ASEC apps; we should circle back 19675 // and reconcile again once they're scanned 19676 continue; 19677 } 19678 19679 if (ps.getInstalled(userId)) { 19680 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19681 19682 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19683 // We may have just shuffled around app data directories, so 19684 // prepare them one more time 19685 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19686 } 19687 19688 preparedCount++; 19689 } 19690 } 19691 19692 if (restoreconNeeded) { 19693 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19694 SELinuxMMAC.setRestoreconDone(ceDir); 19695 } 19696 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19697 SELinuxMMAC.setRestoreconDone(deDir); 19698 } 19699 } 19700 19701 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19702 + " packages; restoreconNeeded was " + restoreconNeeded); 19703 } 19704 19705 /** 19706 * Prepare app data for the given app just after it was installed or 19707 * upgraded. This method carefully only touches users that it's installed 19708 * for, and it forces a restorecon to handle any seinfo changes. 19709 * <p> 19710 * Verifies that directories exist and that ownership and labeling is 19711 * correct for all installed apps. If there is an ownership mismatch, it 19712 * will try recovering system apps by wiping data; third-party app data is 19713 * left intact. 19714 * <p> 19715 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19716 */ 19717 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19718 final PackageSetting ps; 19719 synchronized (mPackages) { 19720 ps = mSettings.mPackages.get(pkg.packageName); 19721 mSettings.writeKernelMappingLPr(ps); 19722 } 19723 19724 final UserManager um = mContext.getSystemService(UserManager.class); 19725 UserManagerInternal umInternal = getUserManagerInternal(); 19726 for (UserInfo user : um.getUsers()) { 19727 final int flags; 19728 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19729 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19730 } else if (umInternal.isUserRunning(user.id)) { 19731 flags = StorageManager.FLAG_STORAGE_DE; 19732 } else { 19733 continue; 19734 } 19735 19736 if (ps.getInstalled(user.id)) { 19737 // Whenever an app changes, force a restorecon of its data 19738 // TODO: when user data is locked, mark that we're still dirty 19739 prepareAppDataLIF(pkg, user.id, flags, true); 19740 } 19741 } 19742 } 19743 19744 /** 19745 * Prepare app data for the given app. 19746 * <p> 19747 * Verifies that directories exist and that ownership and labeling is 19748 * correct for all installed apps. If there is an ownership mismatch, this 19749 * will try recovering system apps by wiping data; third-party app data is 19750 * left intact. 19751 */ 19752 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19753 boolean restoreconNeeded) { 19754 if (pkg == null) { 19755 Slog.wtf(TAG, "Package was null!", new Throwable()); 19756 return; 19757 } 19758 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19759 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19760 for (int i = 0; i < childCount; i++) { 19761 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19762 } 19763 } 19764 19765 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19766 boolean restoreconNeeded) { 19767 if (DEBUG_APP_DATA) { 19768 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19769 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19770 } 19771 19772 final String volumeUuid = pkg.volumeUuid; 19773 final String packageName = pkg.packageName; 19774 final ApplicationInfo app = pkg.applicationInfo; 19775 final int appId = UserHandle.getAppId(app.uid); 19776 19777 Preconditions.checkNotNull(app.seinfo); 19778 19779 try { 19780 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19781 appId, app.seinfo, app.targetSdkVersion); 19782 } catch (InstallerException e) { 19783 if (app.isSystemApp()) { 19784 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19785 + ", but trying to recover: " + e); 19786 destroyAppDataLeafLIF(pkg, userId, flags); 19787 try { 19788 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19789 appId, app.seinfo, app.targetSdkVersion); 19790 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19791 } catch (InstallerException e2) { 19792 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19793 } 19794 } else { 19795 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19796 } 19797 } 19798 19799 if (restoreconNeeded) { 19800 try { 19801 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19802 app.seinfo); 19803 } catch (InstallerException e) { 19804 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19805 } 19806 } 19807 19808 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19809 try { 19810 // CE storage is unlocked right now, so read out the inode and 19811 // remember for use later when it's locked 19812 // TODO: mark this structure as dirty so we persist it! 19813 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19814 StorageManager.FLAG_STORAGE_CE); 19815 synchronized (mPackages) { 19816 final PackageSetting ps = mSettings.mPackages.get(packageName); 19817 if (ps != null) { 19818 ps.setCeDataInode(ceDataInode, userId); 19819 } 19820 } 19821 } catch (InstallerException e) { 19822 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19823 } 19824 } 19825 19826 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19827 } 19828 19829 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19830 if (pkg == null) { 19831 Slog.wtf(TAG, "Package was null!", new Throwable()); 19832 return; 19833 } 19834 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19835 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19836 for (int i = 0; i < childCount; i++) { 19837 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19838 } 19839 } 19840 19841 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19842 final String volumeUuid = pkg.volumeUuid; 19843 final String packageName = pkg.packageName; 19844 final ApplicationInfo app = pkg.applicationInfo; 19845 19846 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19847 // Create a native library symlink only if we have native libraries 19848 // and if the native libraries are 32 bit libraries. We do not provide 19849 // this symlink for 64 bit libraries. 19850 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19851 final String nativeLibPath = app.nativeLibraryDir; 19852 try { 19853 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19854 nativeLibPath, userId); 19855 } catch (InstallerException e) { 19856 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19857 } 19858 } 19859 } 19860 } 19861 19862 /** 19863 * For system apps on non-FBE devices, this method migrates any existing 19864 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19865 * requested by the app. 19866 */ 19867 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19868 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19869 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19870 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19871 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19872 try { 19873 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19874 storageTarget); 19875 } catch (InstallerException e) { 19876 logCriticalInfo(Log.WARN, 19877 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19878 } 19879 return true; 19880 } else { 19881 return false; 19882 } 19883 } 19884 19885 public PackageFreezer freezePackage(String packageName, String killReason) { 19886 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 19887 } 19888 19889 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 19890 return new PackageFreezer(packageName, userId, killReason); 19891 } 19892 19893 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19894 String killReason) { 19895 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 19896 } 19897 19898 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 19899 String killReason) { 19900 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19901 return new PackageFreezer(); 19902 } else { 19903 return freezePackage(packageName, userId, killReason); 19904 } 19905 } 19906 19907 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19908 String killReason) { 19909 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 19910 } 19911 19912 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 19913 String killReason) { 19914 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19915 return new PackageFreezer(); 19916 } else { 19917 return freezePackage(packageName, userId, killReason); 19918 } 19919 } 19920 19921 /** 19922 * Class that freezes and kills the given package upon creation, and 19923 * unfreezes it upon closing. This is typically used when doing surgery on 19924 * app code/data to prevent the app from running while you're working. 19925 */ 19926 private class PackageFreezer implements AutoCloseable { 19927 private final String mPackageName; 19928 private final PackageFreezer[] mChildren; 19929 19930 private final boolean mWeFroze; 19931 19932 private final AtomicBoolean mClosed = new AtomicBoolean(); 19933 private final CloseGuard mCloseGuard = CloseGuard.get(); 19934 19935 /** 19936 * Create and return a stub freezer that doesn't actually do anything, 19937 * typically used when someone requested 19938 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19939 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19940 */ 19941 public PackageFreezer() { 19942 mPackageName = null; 19943 mChildren = null; 19944 mWeFroze = false; 19945 mCloseGuard.open("close"); 19946 } 19947 19948 public PackageFreezer(String packageName, int userId, String killReason) { 19949 synchronized (mPackages) { 19950 mPackageName = packageName; 19951 mWeFroze = mFrozenPackages.add(mPackageName); 19952 19953 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19954 if (ps != null) { 19955 killApplication(ps.name, ps.appId, userId, killReason); 19956 } 19957 19958 final PackageParser.Package p = mPackages.get(packageName); 19959 if (p != null && p.childPackages != null) { 19960 final int N = p.childPackages.size(); 19961 mChildren = new PackageFreezer[N]; 19962 for (int i = 0; i < N; i++) { 19963 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19964 userId, killReason); 19965 } 19966 } else { 19967 mChildren = null; 19968 } 19969 } 19970 mCloseGuard.open("close"); 19971 } 19972 19973 @Override 19974 protected void finalize() throws Throwable { 19975 try { 19976 mCloseGuard.warnIfOpen(); 19977 close(); 19978 } finally { 19979 super.finalize(); 19980 } 19981 } 19982 19983 @Override 19984 public void close() { 19985 mCloseGuard.close(); 19986 if (mClosed.compareAndSet(false, true)) { 19987 synchronized (mPackages) { 19988 if (mWeFroze) { 19989 mFrozenPackages.remove(mPackageName); 19990 } 19991 19992 if (mChildren != null) { 19993 for (PackageFreezer freezer : mChildren) { 19994 freezer.close(); 19995 } 19996 } 19997 } 19998 } 19999 } 20000 } 20001 20002 /** 20003 * Verify that given package is currently frozen. 20004 */ 20005 private void checkPackageFrozen(String packageName) { 20006 synchronized (mPackages) { 20007 if (!mFrozenPackages.contains(packageName)) { 20008 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 20009 } 20010 } 20011 } 20012 20013 @Override 20014 public int movePackage(final String packageName, final String volumeUuid) { 20015 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20016 20017 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 20018 final int moveId = mNextMoveId.getAndIncrement(); 20019 mHandler.post(new Runnable() { 20020 @Override 20021 public void run() { 20022 try { 20023 movePackageInternal(packageName, volumeUuid, moveId, user); 20024 } catch (PackageManagerException e) { 20025 Slog.w(TAG, "Failed to move " + packageName, e); 20026 mMoveCallbacks.notifyStatusChanged(moveId, 20027 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20028 } 20029 } 20030 }); 20031 return moveId; 20032 } 20033 20034 private void movePackageInternal(final String packageName, final String volumeUuid, 20035 final int moveId, UserHandle user) throws PackageManagerException { 20036 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20037 final PackageManager pm = mContext.getPackageManager(); 20038 20039 final boolean currentAsec; 20040 final String currentVolumeUuid; 20041 final File codeFile; 20042 final String installerPackageName; 20043 final String packageAbiOverride; 20044 final int appId; 20045 final String seinfo; 20046 final String label; 20047 final int targetSdkVersion; 20048 final PackageFreezer freezer; 20049 final int[] installedUserIds; 20050 20051 // reader 20052 synchronized (mPackages) { 20053 final PackageParser.Package pkg = mPackages.get(packageName); 20054 final PackageSetting ps = mSettings.mPackages.get(packageName); 20055 if (pkg == null || ps == null) { 20056 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20057 } 20058 20059 if (pkg.applicationInfo.isSystemApp()) { 20060 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20061 "Cannot move system application"); 20062 } 20063 20064 if (pkg.applicationInfo.isExternalAsec()) { 20065 currentAsec = true; 20066 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20067 } else if (pkg.applicationInfo.isForwardLocked()) { 20068 currentAsec = true; 20069 currentVolumeUuid = "forward_locked"; 20070 } else { 20071 currentAsec = false; 20072 currentVolumeUuid = ps.volumeUuid; 20073 20074 final File probe = new File(pkg.codePath); 20075 final File probeOat = new File(probe, "oat"); 20076 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20077 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20078 "Move only supported for modern cluster style installs"); 20079 } 20080 } 20081 20082 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20083 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20084 "Package already moved to " + volumeUuid); 20085 } 20086 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20087 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20088 "Device admin cannot be moved"); 20089 } 20090 20091 if (mFrozenPackages.contains(packageName)) { 20092 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20093 "Failed to move already frozen package"); 20094 } 20095 20096 codeFile = new File(pkg.codePath); 20097 installerPackageName = ps.installerPackageName; 20098 packageAbiOverride = ps.cpuAbiOverrideString; 20099 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20100 seinfo = pkg.applicationInfo.seinfo; 20101 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20102 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20103 freezer = freezePackage(packageName, "movePackageInternal"); 20104 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20105 } 20106 20107 final Bundle extras = new Bundle(); 20108 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20109 extras.putString(Intent.EXTRA_TITLE, label); 20110 mMoveCallbacks.notifyCreated(moveId, extras); 20111 20112 int installFlags; 20113 final boolean moveCompleteApp; 20114 final File measurePath; 20115 20116 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20117 installFlags = INSTALL_INTERNAL; 20118 moveCompleteApp = !currentAsec; 20119 measurePath = Environment.getDataAppDirectory(volumeUuid); 20120 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20121 installFlags = INSTALL_EXTERNAL; 20122 moveCompleteApp = false; 20123 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20124 } else { 20125 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20126 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20127 || !volume.isMountedWritable()) { 20128 freezer.close(); 20129 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20130 "Move location not mounted private volume"); 20131 } 20132 20133 Preconditions.checkState(!currentAsec); 20134 20135 installFlags = INSTALL_INTERNAL; 20136 moveCompleteApp = true; 20137 measurePath = Environment.getDataAppDirectory(volumeUuid); 20138 } 20139 20140 final PackageStats stats = new PackageStats(null, -1); 20141 synchronized (mInstaller) { 20142 for (int userId : installedUserIds) { 20143 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20144 freezer.close(); 20145 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20146 "Failed to measure package size"); 20147 } 20148 } 20149 } 20150 20151 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20152 + stats.dataSize); 20153 20154 final long startFreeBytes = measurePath.getFreeSpace(); 20155 final long sizeBytes; 20156 if (moveCompleteApp) { 20157 sizeBytes = stats.codeSize + stats.dataSize; 20158 } else { 20159 sizeBytes = stats.codeSize; 20160 } 20161 20162 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20163 freezer.close(); 20164 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20165 "Not enough free space to move"); 20166 } 20167 20168 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20169 20170 final CountDownLatch installedLatch = new CountDownLatch(1); 20171 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20172 @Override 20173 public void onUserActionRequired(Intent intent) throws RemoteException { 20174 throw new IllegalStateException(); 20175 } 20176 20177 @Override 20178 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20179 Bundle extras) throws RemoteException { 20180 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20181 + PackageManager.installStatusToString(returnCode, msg)); 20182 20183 installedLatch.countDown(); 20184 freezer.close(); 20185 20186 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20187 switch (status) { 20188 case PackageInstaller.STATUS_SUCCESS: 20189 mMoveCallbacks.notifyStatusChanged(moveId, 20190 PackageManager.MOVE_SUCCEEDED); 20191 break; 20192 case PackageInstaller.STATUS_FAILURE_STORAGE: 20193 mMoveCallbacks.notifyStatusChanged(moveId, 20194 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20195 break; 20196 default: 20197 mMoveCallbacks.notifyStatusChanged(moveId, 20198 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20199 break; 20200 } 20201 } 20202 }; 20203 20204 final MoveInfo move; 20205 if (moveCompleteApp) { 20206 // Kick off a thread to report progress estimates 20207 new Thread() { 20208 @Override 20209 public void run() { 20210 while (true) { 20211 try { 20212 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20213 break; 20214 } 20215 } catch (InterruptedException ignored) { 20216 } 20217 20218 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20219 final int progress = 10 + (int) MathUtils.constrain( 20220 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20221 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20222 } 20223 } 20224 }.start(); 20225 20226 final String dataAppName = codeFile.getName(); 20227 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20228 dataAppName, appId, seinfo, targetSdkVersion); 20229 } else { 20230 move = null; 20231 } 20232 20233 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20234 20235 final Message msg = mHandler.obtainMessage(INIT_COPY); 20236 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20237 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20238 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20239 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20240 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20241 msg.obj = params; 20242 20243 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20244 System.identityHashCode(msg.obj)); 20245 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20246 System.identityHashCode(msg.obj)); 20247 20248 mHandler.sendMessage(msg); 20249 } 20250 20251 @Override 20252 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20253 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20254 20255 final int realMoveId = mNextMoveId.getAndIncrement(); 20256 final Bundle extras = new Bundle(); 20257 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20258 mMoveCallbacks.notifyCreated(realMoveId, extras); 20259 20260 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20261 @Override 20262 public void onCreated(int moveId, Bundle extras) { 20263 // Ignored 20264 } 20265 20266 @Override 20267 public void onStatusChanged(int moveId, int status, long estMillis) { 20268 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20269 } 20270 }; 20271 20272 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20273 storage.setPrimaryStorageUuid(volumeUuid, callback); 20274 return realMoveId; 20275 } 20276 20277 @Override 20278 public int getMoveStatus(int moveId) { 20279 mContext.enforceCallingOrSelfPermission( 20280 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20281 return mMoveCallbacks.mLastStatus.get(moveId); 20282 } 20283 20284 @Override 20285 public void registerMoveCallback(IPackageMoveObserver callback) { 20286 mContext.enforceCallingOrSelfPermission( 20287 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20288 mMoveCallbacks.register(callback); 20289 } 20290 20291 @Override 20292 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20293 mContext.enforceCallingOrSelfPermission( 20294 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20295 mMoveCallbacks.unregister(callback); 20296 } 20297 20298 @Override 20299 public boolean setInstallLocation(int loc) { 20300 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20301 null); 20302 if (getInstallLocation() == loc) { 20303 return true; 20304 } 20305 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20306 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20307 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20308 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20309 return true; 20310 } 20311 return false; 20312 } 20313 20314 @Override 20315 public int getInstallLocation() { 20316 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20317 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20318 PackageHelper.APP_INSTALL_AUTO); 20319 } 20320 20321 /** Called by UserManagerService */ 20322 void cleanUpUser(UserManagerService userManager, int userHandle) { 20323 synchronized (mPackages) { 20324 mDirtyUsers.remove(userHandle); 20325 mUserNeedsBadging.delete(userHandle); 20326 mSettings.removeUserLPw(userHandle); 20327 mPendingBroadcasts.remove(userHandle); 20328 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20329 removeUnusedPackagesLPw(userManager, userHandle); 20330 } 20331 } 20332 20333 /** 20334 * We're removing userHandle and would like to remove any downloaded packages 20335 * that are no longer in use by any other user. 20336 * @param userHandle the user being removed 20337 */ 20338 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20339 final boolean DEBUG_CLEAN_APKS = false; 20340 int [] users = userManager.getUserIds(); 20341 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20342 while (psit.hasNext()) { 20343 PackageSetting ps = psit.next(); 20344 if (ps.pkg == null) { 20345 continue; 20346 } 20347 final String packageName = ps.pkg.packageName; 20348 // Skip over if system app 20349 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20350 continue; 20351 } 20352 if (DEBUG_CLEAN_APKS) { 20353 Slog.i(TAG, "Checking package " + packageName); 20354 } 20355 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20356 if (keep) { 20357 if (DEBUG_CLEAN_APKS) { 20358 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20359 } 20360 } else { 20361 for (int i = 0; i < users.length; i++) { 20362 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20363 keep = true; 20364 if (DEBUG_CLEAN_APKS) { 20365 Slog.i(TAG, " Keeping package " + packageName + " for user " 20366 + users[i]); 20367 } 20368 break; 20369 } 20370 } 20371 } 20372 if (!keep) { 20373 if (DEBUG_CLEAN_APKS) { 20374 Slog.i(TAG, " Removing package " + packageName); 20375 } 20376 mHandler.post(new Runnable() { 20377 public void run() { 20378 deletePackageX(packageName, userHandle, 0); 20379 } //end run 20380 }); 20381 } 20382 } 20383 } 20384 20385 /** Called by UserManagerService */ 20386 void createNewUser(int userId) { 20387 synchronized (mInstallLock) { 20388 mSettings.createNewUserLI(this, mInstaller, userId); 20389 } 20390 synchronized (mPackages) { 20391 scheduleWritePackageRestrictionsLocked(userId); 20392 scheduleWritePackageListLocked(userId); 20393 applyFactoryDefaultBrowserLPw(userId); 20394 primeDomainVerificationsLPw(userId); 20395 } 20396 } 20397 20398 void onBeforeUserStartUninitialized(final int userId) { 20399 synchronized (mPackages) { 20400 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20401 return; 20402 } 20403 } 20404 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20405 // If permission review for legacy apps is required, we represent 20406 // dagerous permissions for such apps as always granted runtime 20407 // permissions to keep per user flag state whether review is needed. 20408 // Hence, if a new user is added we have to propagate dangerous 20409 // permission grants for these legacy apps. 20410 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20411 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20412 | UPDATE_PERMISSIONS_REPLACE_ALL); 20413 } 20414 } 20415 20416 @Override 20417 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20418 mContext.enforceCallingOrSelfPermission( 20419 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20420 "Only package verification agents can read the verifier device identity"); 20421 20422 synchronized (mPackages) { 20423 return mSettings.getVerifierDeviceIdentityLPw(); 20424 } 20425 } 20426 20427 @Override 20428 public void setPermissionEnforced(String permission, boolean enforced) { 20429 // TODO: Now that we no longer change GID for storage, this should to away. 20430 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20431 "setPermissionEnforced"); 20432 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20433 synchronized (mPackages) { 20434 if (mSettings.mReadExternalStorageEnforced == null 20435 || mSettings.mReadExternalStorageEnforced != enforced) { 20436 mSettings.mReadExternalStorageEnforced = enforced; 20437 mSettings.writeLPr(); 20438 } 20439 } 20440 // kill any non-foreground processes so we restart them and 20441 // grant/revoke the GID. 20442 final IActivityManager am = ActivityManagerNative.getDefault(); 20443 if (am != null) { 20444 final long token = Binder.clearCallingIdentity(); 20445 try { 20446 am.killProcessesBelowForeground("setPermissionEnforcement"); 20447 } catch (RemoteException e) { 20448 } finally { 20449 Binder.restoreCallingIdentity(token); 20450 } 20451 } 20452 } else { 20453 throw new IllegalArgumentException("No selective enforcement for " + permission); 20454 } 20455 } 20456 20457 @Override 20458 @Deprecated 20459 public boolean isPermissionEnforced(String permission) { 20460 return true; 20461 } 20462 20463 @Override 20464 public boolean isStorageLow() { 20465 final long token = Binder.clearCallingIdentity(); 20466 try { 20467 final DeviceStorageMonitorInternal 20468 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20469 if (dsm != null) { 20470 return dsm.isMemoryLow(); 20471 } else { 20472 return false; 20473 } 20474 } finally { 20475 Binder.restoreCallingIdentity(token); 20476 } 20477 } 20478 20479 @Override 20480 public IPackageInstaller getPackageInstaller() { 20481 return mInstallerService; 20482 } 20483 20484 private boolean userNeedsBadging(int userId) { 20485 int index = mUserNeedsBadging.indexOfKey(userId); 20486 if (index < 0) { 20487 final UserInfo userInfo; 20488 final long token = Binder.clearCallingIdentity(); 20489 try { 20490 userInfo = sUserManager.getUserInfo(userId); 20491 } finally { 20492 Binder.restoreCallingIdentity(token); 20493 } 20494 final boolean b; 20495 if (userInfo != null && userInfo.isManagedProfile()) { 20496 b = true; 20497 } else { 20498 b = false; 20499 } 20500 mUserNeedsBadging.put(userId, b); 20501 return b; 20502 } 20503 return mUserNeedsBadging.valueAt(index); 20504 } 20505 20506 @Override 20507 public KeySet getKeySetByAlias(String packageName, String alias) { 20508 if (packageName == null || alias == null) { 20509 return null; 20510 } 20511 synchronized(mPackages) { 20512 final PackageParser.Package pkg = mPackages.get(packageName); 20513 if (pkg == null) { 20514 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20515 throw new IllegalArgumentException("Unknown package: " + packageName); 20516 } 20517 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20518 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20519 } 20520 } 20521 20522 @Override 20523 public KeySet getSigningKeySet(String packageName) { 20524 if (packageName == null) { 20525 return null; 20526 } 20527 synchronized(mPackages) { 20528 final PackageParser.Package pkg = mPackages.get(packageName); 20529 if (pkg == null) { 20530 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20531 throw new IllegalArgumentException("Unknown package: " + packageName); 20532 } 20533 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20534 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20535 throw new SecurityException("May not access signing KeySet of other apps."); 20536 } 20537 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20538 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20539 } 20540 } 20541 20542 @Override 20543 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20544 if (packageName == null || ks == null) { 20545 return false; 20546 } 20547 synchronized(mPackages) { 20548 final PackageParser.Package pkg = mPackages.get(packageName); 20549 if (pkg == null) { 20550 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20551 throw new IllegalArgumentException("Unknown package: " + packageName); 20552 } 20553 IBinder ksh = ks.getToken(); 20554 if (ksh instanceof KeySetHandle) { 20555 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20556 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20557 } 20558 return false; 20559 } 20560 } 20561 20562 @Override 20563 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20564 if (packageName == null || ks == null) { 20565 return false; 20566 } 20567 synchronized(mPackages) { 20568 final PackageParser.Package pkg = mPackages.get(packageName); 20569 if (pkg == null) { 20570 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20571 throw new IllegalArgumentException("Unknown package: " + packageName); 20572 } 20573 IBinder ksh = ks.getToken(); 20574 if (ksh instanceof KeySetHandle) { 20575 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20576 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20577 } 20578 return false; 20579 } 20580 } 20581 20582 private void deletePackageIfUnusedLPr(final String packageName) { 20583 PackageSetting ps = mSettings.mPackages.get(packageName); 20584 if (ps == null) { 20585 return; 20586 } 20587 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20588 // TODO Implement atomic delete if package is unused 20589 // It is currently possible that the package will be deleted even if it is installed 20590 // after this method returns. 20591 mHandler.post(new Runnable() { 20592 public void run() { 20593 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20594 } 20595 }); 20596 } 20597 } 20598 20599 /** 20600 * Check and throw if the given before/after packages would be considered a 20601 * downgrade. 20602 */ 20603 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20604 throws PackageManagerException { 20605 if (after.versionCode < before.mVersionCode) { 20606 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20607 "Update version code " + after.versionCode + " is older than current " 20608 + before.mVersionCode); 20609 } else if (after.versionCode == before.mVersionCode) { 20610 if (after.baseRevisionCode < before.baseRevisionCode) { 20611 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20612 "Update base revision code " + after.baseRevisionCode 20613 + " is older than current " + before.baseRevisionCode); 20614 } 20615 20616 if (!ArrayUtils.isEmpty(after.splitNames)) { 20617 for (int i = 0; i < after.splitNames.length; i++) { 20618 final String splitName = after.splitNames[i]; 20619 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20620 if (j != -1) { 20621 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20622 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20623 "Update split " + splitName + " revision code " 20624 + after.splitRevisionCodes[i] + " is older than current " 20625 + before.splitRevisionCodes[j]); 20626 } 20627 } 20628 } 20629 } 20630 } 20631 } 20632 20633 private static class MoveCallbacks extends Handler { 20634 private static final int MSG_CREATED = 1; 20635 private static final int MSG_STATUS_CHANGED = 2; 20636 20637 private final RemoteCallbackList<IPackageMoveObserver> 20638 mCallbacks = new RemoteCallbackList<>(); 20639 20640 private final SparseIntArray mLastStatus = new SparseIntArray(); 20641 20642 public MoveCallbacks(Looper looper) { 20643 super(looper); 20644 } 20645 20646 public void register(IPackageMoveObserver callback) { 20647 mCallbacks.register(callback); 20648 } 20649 20650 public void unregister(IPackageMoveObserver callback) { 20651 mCallbacks.unregister(callback); 20652 } 20653 20654 @Override 20655 public void handleMessage(Message msg) { 20656 final SomeArgs args = (SomeArgs) msg.obj; 20657 final int n = mCallbacks.beginBroadcast(); 20658 for (int i = 0; i < n; i++) { 20659 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20660 try { 20661 invokeCallback(callback, msg.what, args); 20662 } catch (RemoteException ignored) { 20663 } 20664 } 20665 mCallbacks.finishBroadcast(); 20666 args.recycle(); 20667 } 20668 20669 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20670 throws RemoteException { 20671 switch (what) { 20672 case MSG_CREATED: { 20673 callback.onCreated(args.argi1, (Bundle) args.arg2); 20674 break; 20675 } 20676 case MSG_STATUS_CHANGED: { 20677 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20678 break; 20679 } 20680 } 20681 } 20682 20683 private void notifyCreated(int moveId, Bundle extras) { 20684 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20685 20686 final SomeArgs args = SomeArgs.obtain(); 20687 args.argi1 = moveId; 20688 args.arg2 = extras; 20689 obtainMessage(MSG_CREATED, args).sendToTarget(); 20690 } 20691 20692 private void notifyStatusChanged(int moveId, int status) { 20693 notifyStatusChanged(moveId, status, -1); 20694 } 20695 20696 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20697 Slog.v(TAG, "Move " + moveId + " status " + status); 20698 20699 final SomeArgs args = SomeArgs.obtain(); 20700 args.argi1 = moveId; 20701 args.argi2 = status; 20702 args.arg3 = estMillis; 20703 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20704 20705 synchronized (mLastStatus) { 20706 mLastStatus.put(moveId, status); 20707 } 20708 } 20709 } 20710 20711 private final static class OnPermissionChangeListeners extends Handler { 20712 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20713 20714 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20715 new RemoteCallbackList<>(); 20716 20717 public OnPermissionChangeListeners(Looper looper) { 20718 super(looper); 20719 } 20720 20721 @Override 20722 public void handleMessage(Message msg) { 20723 switch (msg.what) { 20724 case MSG_ON_PERMISSIONS_CHANGED: { 20725 final int uid = msg.arg1; 20726 handleOnPermissionsChanged(uid); 20727 } break; 20728 } 20729 } 20730 20731 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20732 mPermissionListeners.register(listener); 20733 20734 } 20735 20736 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20737 mPermissionListeners.unregister(listener); 20738 } 20739 20740 public void onPermissionsChanged(int uid) { 20741 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20742 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20743 } 20744 } 20745 20746 private void handleOnPermissionsChanged(int uid) { 20747 final int count = mPermissionListeners.beginBroadcast(); 20748 try { 20749 for (int i = 0; i < count; i++) { 20750 IOnPermissionsChangeListener callback = mPermissionListeners 20751 .getBroadcastItem(i); 20752 try { 20753 callback.onPermissionsChanged(uid); 20754 } catch (RemoteException e) { 20755 Log.e(TAG, "Permission listener is dead", e); 20756 } 20757 } 20758 } finally { 20759 mPermissionListeners.finishBroadcast(); 20760 } 20761 } 20762 } 20763 20764 private class PackageManagerInternalImpl extends PackageManagerInternal { 20765 @Override 20766 public void setLocationPackagesProvider(PackagesProvider provider) { 20767 synchronized (mPackages) { 20768 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20769 } 20770 } 20771 20772 @Override 20773 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20774 synchronized (mPackages) { 20775 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20776 } 20777 } 20778 20779 @Override 20780 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20781 synchronized (mPackages) { 20782 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20783 } 20784 } 20785 20786 @Override 20787 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20788 synchronized (mPackages) { 20789 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20790 } 20791 } 20792 20793 @Override 20794 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20795 synchronized (mPackages) { 20796 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20797 } 20798 } 20799 20800 @Override 20801 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20802 synchronized (mPackages) { 20803 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20804 } 20805 } 20806 20807 @Override 20808 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20809 synchronized (mPackages) { 20810 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20811 packageName, userId); 20812 } 20813 } 20814 20815 @Override 20816 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20817 synchronized (mPackages) { 20818 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20819 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20820 packageName, userId); 20821 } 20822 } 20823 20824 @Override 20825 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20826 synchronized (mPackages) { 20827 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20828 packageName, userId); 20829 } 20830 } 20831 20832 @Override 20833 public void setKeepUninstalledPackages(final List<String> packageList) { 20834 Preconditions.checkNotNull(packageList); 20835 List<String> removedFromList = null; 20836 synchronized (mPackages) { 20837 if (mKeepUninstalledPackages != null) { 20838 final int packagesCount = mKeepUninstalledPackages.size(); 20839 for (int i = 0; i < packagesCount; i++) { 20840 String oldPackage = mKeepUninstalledPackages.get(i); 20841 if (packageList != null && packageList.contains(oldPackage)) { 20842 continue; 20843 } 20844 if (removedFromList == null) { 20845 removedFromList = new ArrayList<>(); 20846 } 20847 removedFromList.add(oldPackage); 20848 } 20849 } 20850 mKeepUninstalledPackages = new ArrayList<>(packageList); 20851 if (removedFromList != null) { 20852 final int removedCount = removedFromList.size(); 20853 for (int i = 0; i < removedCount; i++) { 20854 deletePackageIfUnusedLPr(removedFromList.get(i)); 20855 } 20856 } 20857 } 20858 } 20859 20860 @Override 20861 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20862 synchronized (mPackages) { 20863 // If we do not support permission review, done. 20864 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20865 return false; 20866 } 20867 20868 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20869 if (packageSetting == null) { 20870 return false; 20871 } 20872 20873 // Permission review applies only to apps not supporting the new permission model. 20874 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20875 return false; 20876 } 20877 20878 // Legacy apps have the permission and get user consent on launch. 20879 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20880 return permissionsState.isPermissionReviewRequired(userId); 20881 } 20882 } 20883 20884 @Override 20885 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20886 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20887 } 20888 20889 @Override 20890 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20891 int userId) { 20892 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20893 } 20894 20895 @Override 20896 public void setDeviceAndProfileOwnerPackages( 20897 int deviceOwnerUserId, String deviceOwnerPackage, 20898 SparseArray<String> profileOwnerPackages) { 20899 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20900 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20901 } 20902 20903 @Override 20904 public boolean isPackageDataProtected(int userId, String packageName) { 20905 return mProtectedPackages.isPackageDataProtected(userId, packageName); 20906 } 20907 } 20908 20909 @Override 20910 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20911 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20912 synchronized (mPackages) { 20913 final long identity = Binder.clearCallingIdentity(); 20914 try { 20915 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20916 packageNames, userId); 20917 } finally { 20918 Binder.restoreCallingIdentity(identity); 20919 } 20920 } 20921 } 20922 20923 private static void enforceSystemOrPhoneCaller(String tag) { 20924 int callingUid = Binder.getCallingUid(); 20925 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20926 throw new SecurityException( 20927 "Cannot call " + tag + " from UID " + callingUid); 20928 } 20929 } 20930 20931 boolean isHistoricalPackageUsageAvailable() { 20932 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20933 } 20934 20935 /** 20936 * Return a <b>copy</b> of the collection of packages known to the package manager. 20937 * @return A copy of the values of mPackages. 20938 */ 20939 Collection<PackageParser.Package> getPackages() { 20940 synchronized (mPackages) { 20941 return new ArrayList<>(mPackages.values()); 20942 } 20943 } 20944 20945 /** 20946 * Logs process start information (including base APK hash) to the security log. 20947 * @hide 20948 */ 20949 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20950 String apkFile, int pid) { 20951 if (!SecurityLog.isLoggingEnabled()) { 20952 return; 20953 } 20954 Bundle data = new Bundle(); 20955 data.putLong("startTimestamp", System.currentTimeMillis()); 20956 data.putString("processName", processName); 20957 data.putInt("uid", uid); 20958 data.putString("seinfo", seinfo); 20959 data.putString("apkFile", apkFile); 20960 data.putInt("pid", pid); 20961 Message msg = mProcessLoggingHandler.obtainMessage( 20962 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20963 msg.setData(data); 20964 mProcessLoggingHandler.sendMessage(msg); 20965 } 20966} 20967