PackageManagerService.java revision 8a1bc54ab050daac935536f7fc5a8b9130e3eed3
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.EphemeralResolveIntentInfo; 129import android.content.pm.FeatureInfo; 130import android.content.pm.IOnPermissionsChangeListener; 131import android.content.pm.IPackageDataObserver; 132import android.content.pm.IPackageDeleteObserver; 133import android.content.pm.IPackageDeleteObserver2; 134import android.content.pm.IPackageInstallObserver2; 135import android.content.pm.IPackageInstaller; 136import android.content.pm.IPackageManager; 137import android.content.pm.IPackageMoveObserver; 138import android.content.pm.IPackageStatsObserver; 139import android.content.pm.InstrumentationInfo; 140import android.content.pm.IntentFilterVerificationInfo; 141import android.content.pm.KeySet; 142import android.content.pm.PackageCleanItem; 143import android.content.pm.PackageInfo; 144import android.content.pm.PackageInfoLite; 145import android.content.pm.PackageInstaller; 146import android.content.pm.PackageManager; 147import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 148import android.content.pm.PackageManagerInternal; 149import android.content.pm.PackageParser; 150import android.content.pm.PackageParser.ActivityIntentInfo; 151import android.content.pm.PackageParser.PackageLite; 152import android.content.pm.PackageParser.PackageParserException; 153import android.content.pm.PackageStats; 154import android.content.pm.PackageUserState; 155import android.content.pm.ParceledListSlice; 156import android.content.pm.PermissionGroupInfo; 157import android.content.pm.PermissionInfo; 158import android.content.pm.ProviderInfo; 159import android.content.pm.ResolveInfo; 160import android.content.pm.ServiceInfo; 161import android.content.pm.Signature; 162import android.content.pm.UserInfo; 163import android.content.pm.VerifierDeviceIdentity; 164import android.content.pm.VerifierInfo; 165import android.content.res.Resources; 166import android.graphics.Bitmap; 167import android.hardware.display.DisplayManager; 168import android.net.Uri; 169import android.os.Binder; 170import android.os.Build; 171import android.os.Bundle; 172import android.os.Debug; 173import android.os.Environment; 174import android.os.Environment.UserEnvironment; 175import android.os.FileUtils; 176import android.os.Handler; 177import android.os.IBinder; 178import android.os.Looper; 179import android.os.Message; 180import android.os.Parcel; 181import android.os.ParcelFileDescriptor; 182import android.os.Process; 183import android.os.RemoteCallbackList; 184import android.os.RemoteException; 185import android.os.ResultReceiver; 186import android.os.SELinux; 187import android.os.ServiceManager; 188import android.os.SystemClock; 189import android.os.SystemProperties; 190import android.os.Trace; 191import android.os.UserHandle; 192import android.os.UserManager; 193import android.os.UserManagerInternal; 194import android.os.storage.IMountService; 195import android.os.storage.MountServiceInternal; 196import android.os.storage.StorageEventListener; 197import android.os.storage.StorageManager; 198import android.os.storage.VolumeInfo; 199import android.os.storage.VolumeRecord; 200import android.security.KeyStore; 201import android.security.SystemKeyStore; 202import android.system.ErrnoException; 203import android.system.Os; 204import android.text.TextUtils; 205import android.text.format.DateUtils; 206import android.util.ArrayMap; 207import android.util.ArraySet; 208import android.util.AtomicFile; 209import android.util.DisplayMetrics; 210import android.util.EventLog; 211import android.util.ExceptionUtils; 212import android.util.Log; 213import android.util.LogPrinter; 214import android.util.MathUtils; 215import android.util.PrintStreamPrinter; 216import android.util.Slog; 217import android.util.SparseArray; 218import android.util.SparseBooleanArray; 219import android.util.SparseIntArray; 220import android.util.Xml; 221import android.util.jar.StrictJarFile; 222import android.view.Display; 223 224import com.android.internal.R; 225import com.android.internal.annotations.GuardedBy; 226import com.android.internal.app.IMediaContainerService; 227import com.android.internal.app.ResolverActivity; 228import com.android.internal.content.NativeLibraryHelper; 229import com.android.internal.content.PackageHelper; 230import com.android.internal.logging.MetricsLogger; 231import com.android.internal.os.IParcelFileDescriptorFactory; 232import com.android.internal.os.InstallerConnection.InstallerException; 233import com.android.internal.os.SomeArgs; 234import com.android.internal.os.Zygote; 235import com.android.internal.telephony.CarrierAppUtils; 236import com.android.internal.util.ArrayUtils; 237import com.android.internal.util.FastPrintWriter; 238import com.android.internal.util.FastXmlSerializer; 239import com.android.internal.util.IndentingPrintWriter; 240import com.android.internal.util.Preconditions; 241import com.android.internal.util.XmlUtils; 242import com.android.server.AttributeCache; 243import com.android.server.EventLogTags; 244import com.android.server.FgThread; 245import com.android.server.IntentResolver; 246import com.android.server.LocalServices; 247import com.android.server.ServiceThread; 248import com.android.server.SystemConfig; 249import com.android.server.Watchdog; 250import com.android.server.net.NetworkPolicyManagerInternal; 251import com.android.server.pm.PermissionsState.PermissionState; 252import com.android.server.pm.Settings.DatabaseVersion; 253import com.android.server.pm.Settings.VersionInfo; 254import com.android.server.storage.DeviceStorageMonitorInternal; 255 256import dalvik.system.CloseGuard; 257import dalvik.system.DexFile; 258import dalvik.system.VMRuntime; 259 260import libcore.io.IoUtils; 261import libcore.util.EmptyArray; 262 263import org.xmlpull.v1.XmlPullParser; 264import org.xmlpull.v1.XmlPullParserException; 265import org.xmlpull.v1.XmlSerializer; 266 267import java.io.BufferedInputStream; 268import java.io.BufferedOutputStream; 269import java.io.BufferedReader; 270import java.io.ByteArrayInputStream; 271import java.io.ByteArrayOutputStream; 272import java.io.File; 273import java.io.FileDescriptor; 274import java.io.FileInputStream; 275import java.io.FileNotFoundException; 276import java.io.FileOutputStream; 277import java.io.FileReader; 278import java.io.FilenameFilter; 279import java.io.IOException; 280import java.io.InputStream; 281import java.io.PrintWriter; 282import java.nio.charset.StandardCharsets; 283import java.security.DigestInputStream; 284import java.security.MessageDigest; 285import java.security.NoSuchAlgorithmException; 286import java.security.PublicKey; 287import java.security.cert.Certificate; 288import java.security.cert.CertificateEncodingException; 289import java.security.cert.CertificateException; 290import java.text.SimpleDateFormat; 291import java.util.ArrayList; 292import java.util.Arrays; 293import java.util.Collection; 294import java.util.Collections; 295import java.util.Comparator; 296import java.util.Date; 297import java.util.HashSet; 298import java.util.Iterator; 299import java.util.List; 300import java.util.Map; 301import java.util.Objects; 302import java.util.Set; 303import java.util.concurrent.CountDownLatch; 304import java.util.concurrent.TimeUnit; 305import java.util.concurrent.atomic.AtomicBoolean; 306import java.util.concurrent.atomic.AtomicInteger; 307import java.util.concurrent.atomic.AtomicLong; 308 309/** 310 * Keep track of all those APKs everywhere. 311 * <p> 312 * Internally there are two important locks: 313 * <ul> 314 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 315 * and other related state. It is a fine-grained lock that should only be held 316 * momentarily, as it's one of the most contended locks in the system. 317 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 318 * operations typically involve heavy lifting of application data on disk. Since 319 * {@code installd} is single-threaded, and it's operations can often be slow, 320 * this lock should never be acquired while already holding {@link #mPackages}. 321 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 322 * holding {@link #mInstallLock}. 323 * </ul> 324 * Many internal methods rely on the caller to hold the appropriate locks, and 325 * this contract is expressed through method name suffixes: 326 * <ul> 327 * <li>fooLI(): the caller must hold {@link #mInstallLock} 328 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 329 * being modified must be frozen 330 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 331 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 332 * </ul> 333 * <p> 334 * Because this class is very central to the platform's security; please run all 335 * CTS and unit tests whenever making modifications: 336 * 337 * <pre> 338 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 339 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 340 * </pre> 341 */ 342public class PackageManagerService extends IPackageManager.Stub { 343 static final String TAG = "PackageManager"; 344 static final boolean DEBUG_SETTINGS = false; 345 static final boolean DEBUG_PREFERRED = false; 346 static final boolean DEBUG_UPGRADE = false; 347 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 348 private static final boolean DEBUG_BACKUP = false; 349 private static final boolean DEBUG_INSTALL = false; 350 private static final boolean DEBUG_REMOVE = false; 351 private static final boolean DEBUG_BROADCASTS = false; 352 private static final boolean DEBUG_SHOW_INFO = false; 353 private static final boolean DEBUG_PACKAGE_INFO = false; 354 private static final boolean DEBUG_INTENT_MATCHING = false; 355 private static final boolean DEBUG_PACKAGE_SCANNING = false; 356 private static final boolean DEBUG_VERIFY = false; 357 private static final boolean DEBUG_FILTERS = false; 358 359 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 360 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 361 // user, but by default initialize to this. 362 static final boolean DEBUG_DEXOPT = false; 363 364 private static final boolean DEBUG_ABI_SELECTION = false; 365 private static final boolean DEBUG_EPHEMERAL = false; 366 private static final boolean DEBUG_TRIAGED_MISSING = false; 367 private static final boolean DEBUG_APP_DATA = false; 368 369 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 370 371 private static final boolean DISABLE_EPHEMERAL_APPS = true; 372 373 private static final int RADIO_UID = Process.PHONE_UID; 374 private static final int LOG_UID = Process.LOG_UID; 375 private static final int NFC_UID = Process.NFC_UID; 376 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 377 private static final int SHELL_UID = Process.SHELL_UID; 378 379 // Cap the size of permission trees that 3rd party apps can define 380 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 381 382 // Suffix used during package installation when copying/moving 383 // package apks to install directory. 384 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 385 386 static final int SCAN_NO_DEX = 1<<1; 387 static final int SCAN_FORCE_DEX = 1<<2; 388 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 389 static final int SCAN_NEW_INSTALL = 1<<4; 390 static final int SCAN_NO_PATHS = 1<<5; 391 static final int SCAN_UPDATE_TIME = 1<<6; 392 static final int SCAN_DEFER_DEX = 1<<7; 393 static final int SCAN_BOOTING = 1<<8; 394 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 395 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 396 static final int SCAN_REPLACING = 1<<11; 397 static final int SCAN_REQUIRE_KNOWN = 1<<12; 398 static final int SCAN_MOVE = 1<<13; 399 static final int SCAN_INITIAL = 1<<14; 400 static final int SCAN_CHECK_ONLY = 1<<15; 401 static final int SCAN_DONT_KILL_APP = 1<<17; 402 static final int SCAN_IGNORE_FROZEN = 1<<18; 403 404 static final int REMOVE_CHATTY = 1<<16; 405 406 private static final int[] EMPTY_INT_ARRAY = new int[0]; 407 408 /** 409 * Timeout (in milliseconds) after which the watchdog should declare that 410 * our handler thread is wedged. The usual default for such things is one 411 * minute but we sometimes do very lengthy I/O operations on this thread, 412 * such as installing multi-gigabyte applications, so ours needs to be longer. 413 */ 414 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 415 416 /** 417 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 418 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 419 * settings entry if available, otherwise we use the hardcoded default. If it's been 420 * more than this long since the last fstrim, we force one during the boot sequence. 421 * 422 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 423 * one gets run at the next available charging+idle time. This final mandatory 424 * no-fstrim check kicks in only of the other scheduling criteria is never met. 425 */ 426 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 427 428 /** 429 * Whether verification is enabled by default. 430 */ 431 private static final boolean DEFAULT_VERIFY_ENABLE = true; 432 433 /** 434 * The default maximum time to wait for the verification agent to return in 435 * milliseconds. 436 */ 437 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 438 439 /** 440 * The default response for package verification timeout. 441 * 442 * This can be either PackageManager.VERIFICATION_ALLOW or 443 * PackageManager.VERIFICATION_REJECT. 444 */ 445 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 446 447 static final String PLATFORM_PACKAGE_NAME = "android"; 448 449 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 450 451 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 452 DEFAULT_CONTAINER_PACKAGE, 453 "com.android.defcontainer.DefaultContainerService"); 454 455 private static final String KILL_APP_REASON_GIDS_CHANGED = 456 "permission grant or revoke changed gids"; 457 458 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 459 "permissions revoked"; 460 461 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 462 463 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 464 465 /** Permission grant: not grant the permission. */ 466 private static final int GRANT_DENIED = 1; 467 468 /** Permission grant: grant the permission as an install permission. */ 469 private static final int GRANT_INSTALL = 2; 470 471 /** Permission grant: grant the permission as a runtime one. */ 472 private static final int GRANT_RUNTIME = 3; 473 474 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 475 private static final int GRANT_UPGRADE = 4; 476 477 /** Canonical intent used to identify what counts as a "web browser" app */ 478 private static final Intent sBrowserIntent; 479 static { 480 sBrowserIntent = new Intent(); 481 sBrowserIntent.setAction(Intent.ACTION_VIEW); 482 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 483 sBrowserIntent.setData(Uri.parse("http:")); 484 } 485 486 /** 487 * The set of all protected actions [i.e. those actions for which a high priority 488 * intent filter is disallowed]. 489 */ 490 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 491 static { 492 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 493 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 494 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 495 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 496 } 497 498 // Compilation reasons. 499 public static final int REASON_FIRST_BOOT = 0; 500 public static final int REASON_BOOT = 1; 501 public static final int REASON_INSTALL = 2; 502 public static final int REASON_BACKGROUND_DEXOPT = 3; 503 public static final int REASON_AB_OTA = 4; 504 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 505 public static final int REASON_SHARED_APK = 6; 506 public static final int REASON_FORCED_DEXOPT = 7; 507 public static final int REASON_CORE_APP = 8; 508 509 public static final int REASON_LAST = REASON_CORE_APP; 510 511 /** Special library name that skips shared libraries check during compilation. */ 512 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 513 514 final ServiceThread mHandlerThread; 515 516 final PackageHandler mHandler; 517 518 private final ProcessLoggingHandler mProcessLoggingHandler; 519 520 /** 521 * Messages for {@link #mHandler} that need to wait for system ready before 522 * being dispatched. 523 */ 524 private ArrayList<Message> mPostSystemReadyMessages; 525 526 final int mSdkVersion = Build.VERSION.SDK_INT; 527 528 final Context mContext; 529 final boolean mFactoryTest; 530 final boolean mOnlyCore; 531 final DisplayMetrics mMetrics; 532 final int mDefParseFlags; 533 final String[] mSeparateProcesses; 534 final boolean mIsUpgrade; 535 final boolean mIsPreNUpgrade; 536 537 /** The location for ASEC container files on internal storage. */ 538 final String mAsecInternalPath; 539 540 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 541 // LOCK HELD. Can be called with mInstallLock held. 542 @GuardedBy("mInstallLock") 543 final Installer mInstaller; 544 545 /** Directory where installed third-party apps stored */ 546 final File mAppInstallDir; 547 final File mEphemeralInstallDir; 548 549 /** 550 * Directory to which applications installed internally have their 551 * 32 bit native libraries copied. 552 */ 553 private File mAppLib32InstallDir; 554 555 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 556 // apps. 557 final File mDrmAppPrivateInstallDir; 558 559 // ---------------------------------------------------------------- 560 561 // Lock for state used when installing and doing other long running 562 // operations. Methods that must be called with this lock held have 563 // the suffix "LI". 564 final Object mInstallLock = new Object(); 565 566 // ---------------------------------------------------------------- 567 568 // Keys are String (package name), values are Package. This also serves 569 // as the lock for the global state. Methods that must be called with 570 // this lock held have the prefix "LP". 571 @GuardedBy("mPackages") 572 final ArrayMap<String, PackageParser.Package> mPackages = 573 new ArrayMap<String, PackageParser.Package>(); 574 575 final ArrayMap<String, Set<String>> mKnownCodebase = 576 new ArrayMap<String, Set<String>>(); 577 578 // Tracks available target package names -> overlay package paths. 579 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 580 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 581 582 /** 583 * Tracks new system packages [received in an OTA] that we expect to 584 * find updated user-installed versions. Keys are package name, values 585 * are package location. 586 */ 587 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 588 /** 589 * Tracks high priority intent filters for protected actions. During boot, certain 590 * filter actions are protected and should never be allowed to have a high priority 591 * intent filter for them. However, there is one, and only one exception -- the 592 * setup wizard. It must be able to define a high priority intent filter for these 593 * actions to ensure there are no escapes from the wizard. We need to delay processing 594 * of these during boot as we need to look at all of the system packages in order 595 * to know which component is the setup wizard. 596 */ 597 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 598 /** 599 * Whether or not processing protected filters should be deferred. 600 */ 601 private boolean mDeferProtectedFilters = true; 602 603 /** 604 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 605 */ 606 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 607 /** 608 * Whether or not system app permissions should be promoted from install to runtime. 609 */ 610 boolean mPromoteSystemApps; 611 612 @GuardedBy("mPackages") 613 final Settings mSettings; 614 615 /** 616 * Set of package names that are currently "frozen", which means active 617 * surgery is being done on the code/data for that package. The platform 618 * will refuse to launch frozen packages to avoid race conditions. 619 * 620 * @see PackageFreezer 621 */ 622 @GuardedBy("mPackages") 623 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 624 625 final ProtectedPackages mProtectedPackages = new ProtectedPackages(); 626 627 boolean mRestoredSettings; 628 629 // System configuration read by SystemConfig. 630 final int[] mGlobalGids; 631 final SparseArray<ArraySet<String>> mSystemPermissions; 632 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 633 634 // If mac_permissions.xml was found for seinfo labeling. 635 boolean mFoundPolicyFile; 636 637 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 638 639 public static final class SharedLibraryEntry { 640 public final String path; 641 public final String apk; 642 643 SharedLibraryEntry(String _path, String _apk) { 644 path = _path; 645 apk = _apk; 646 } 647 } 648 649 // Currently known shared libraries. 650 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 651 new ArrayMap<String, SharedLibraryEntry>(); 652 653 // All available activities, for your resolving pleasure. 654 final ActivityIntentResolver mActivities = 655 new ActivityIntentResolver(); 656 657 // All available receivers, for your resolving pleasure. 658 final ActivityIntentResolver mReceivers = 659 new ActivityIntentResolver(); 660 661 // All available services, for your resolving pleasure. 662 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 663 664 // All available providers, for your resolving pleasure. 665 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 666 667 // Mapping from provider base names (first directory in content URI codePath) 668 // to the provider information. 669 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 670 new ArrayMap<String, PackageParser.Provider>(); 671 672 // Mapping from instrumentation class names to info about them. 673 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 674 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 675 676 // Mapping from permission names to info about them. 677 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 678 new ArrayMap<String, PackageParser.PermissionGroup>(); 679 680 // Packages whose data we have transfered into another package, thus 681 // should no longer exist. 682 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 683 684 // Broadcast actions that are only available to the system. 685 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 686 687 /** List of packages waiting for verification. */ 688 final SparseArray<PackageVerificationState> mPendingVerification 689 = new SparseArray<PackageVerificationState>(); 690 691 /** Set of packages associated with each app op permission. */ 692 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 693 694 final PackageInstallerService mInstallerService; 695 696 private final PackageDexOptimizer mPackageDexOptimizer; 697 698 private AtomicInteger mNextMoveId = new AtomicInteger(); 699 private final MoveCallbacks mMoveCallbacks; 700 701 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 702 703 // Cache of users who need badging. 704 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 705 706 /** Token for keys in mPendingVerification. */ 707 private int mPendingVerificationToken = 0; 708 709 volatile boolean mSystemReady; 710 volatile boolean mSafeMode; 711 volatile boolean mHasSystemUidErrors; 712 713 ApplicationInfo mAndroidApplication; 714 final ActivityInfo mResolveActivity = new ActivityInfo(); 715 final ResolveInfo mResolveInfo = new ResolveInfo(); 716 ComponentName mResolveComponentName; 717 PackageParser.Package mPlatformPackage; 718 ComponentName mCustomResolverComponentName; 719 720 boolean mResolverReplaced = false; 721 722 private final @Nullable ComponentName mIntentFilterVerifierComponent; 723 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 724 725 private int mIntentFilterVerificationToken = 0; 726 727 /** Component that knows whether or not an ephemeral application exists */ 728 final ComponentName mEphemeralResolverComponent; 729 /** The service connection to the ephemeral resolver */ 730 final EphemeralResolverConnection mEphemeralResolverConnection; 731 732 /** Component used to install ephemeral applications */ 733 final ComponentName mEphemeralInstallerComponent; 734 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 735 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 736 737 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 738 = new SparseArray<IntentFilterVerificationState>(); 739 740 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 741 new DefaultPermissionGrantPolicy(this); 742 743 // List of packages names to keep cached, even if they are uninstalled for all users 744 private List<String> mKeepUninstalledPackages; 745 746 private UserManagerInternal mUserManagerInternal; 747 748 private static class IFVerificationParams { 749 PackageParser.Package pkg; 750 boolean replacing; 751 int userId; 752 int verifierUid; 753 754 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 755 int _userId, int _verifierUid) { 756 pkg = _pkg; 757 replacing = _replacing; 758 userId = _userId; 759 replacing = _replacing; 760 verifierUid = _verifierUid; 761 } 762 } 763 764 private interface IntentFilterVerifier<T extends IntentFilter> { 765 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 766 T filter, String packageName); 767 void startVerifications(int userId); 768 void receiveVerificationResponse(int verificationId); 769 } 770 771 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 772 private Context mContext; 773 private ComponentName mIntentFilterVerifierComponent; 774 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 775 776 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 777 mContext = context; 778 mIntentFilterVerifierComponent = verifierComponent; 779 } 780 781 private String getDefaultScheme() { 782 return IntentFilter.SCHEME_HTTPS; 783 } 784 785 @Override 786 public void startVerifications(int userId) { 787 // Launch verifications requests 788 int count = mCurrentIntentFilterVerifications.size(); 789 for (int n=0; n<count; n++) { 790 int verificationId = mCurrentIntentFilterVerifications.get(n); 791 final IntentFilterVerificationState ivs = 792 mIntentFilterVerificationStates.get(verificationId); 793 794 String packageName = ivs.getPackageName(); 795 796 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 797 final int filterCount = filters.size(); 798 ArraySet<String> domainsSet = new ArraySet<>(); 799 for (int m=0; m<filterCount; m++) { 800 PackageParser.ActivityIntentInfo filter = filters.get(m); 801 domainsSet.addAll(filter.getHostsList()); 802 } 803 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 804 synchronized (mPackages) { 805 if (mSettings.createIntentFilterVerificationIfNeededLPw( 806 packageName, domainsList) != null) { 807 scheduleWriteSettingsLocked(); 808 } 809 } 810 sendVerificationRequest(userId, verificationId, ivs); 811 } 812 mCurrentIntentFilterVerifications.clear(); 813 } 814 815 private void sendVerificationRequest(int userId, int verificationId, 816 IntentFilterVerificationState ivs) { 817 818 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 819 verificationIntent.putExtra( 820 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 821 verificationId); 822 verificationIntent.putExtra( 823 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 824 getDefaultScheme()); 825 verificationIntent.putExtra( 826 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 827 ivs.getHostsString()); 828 verificationIntent.putExtra( 829 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 830 ivs.getPackageName()); 831 verificationIntent.setComponent(mIntentFilterVerifierComponent); 832 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 833 834 UserHandle user = new UserHandle(userId); 835 mContext.sendBroadcastAsUser(verificationIntent, user); 836 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 837 "Sending IntentFilter verification broadcast"); 838 } 839 840 public void receiveVerificationResponse(int verificationId) { 841 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 842 843 final boolean verified = ivs.isVerified(); 844 845 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 846 final int count = filters.size(); 847 if (DEBUG_DOMAIN_VERIFICATION) { 848 Slog.i(TAG, "Received verification response " + verificationId 849 + " for " + count + " filters, verified=" + verified); 850 } 851 for (int n=0; n<count; n++) { 852 PackageParser.ActivityIntentInfo filter = filters.get(n); 853 filter.setVerified(verified); 854 855 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 856 + " verified with result:" + verified + " and hosts:" 857 + ivs.getHostsString()); 858 } 859 860 mIntentFilterVerificationStates.remove(verificationId); 861 862 final String packageName = ivs.getPackageName(); 863 IntentFilterVerificationInfo ivi = null; 864 865 synchronized (mPackages) { 866 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 867 } 868 if (ivi == null) { 869 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 870 + verificationId + " packageName:" + packageName); 871 return; 872 } 873 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 874 "Updating IntentFilterVerificationInfo for package " + packageName 875 +" verificationId:" + verificationId); 876 877 synchronized (mPackages) { 878 if (verified) { 879 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 880 } else { 881 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 882 } 883 scheduleWriteSettingsLocked(); 884 885 final int userId = ivs.getUserId(); 886 if (userId != UserHandle.USER_ALL) { 887 final int userStatus = 888 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 889 890 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 891 boolean needUpdate = false; 892 893 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 894 // already been set by the User thru the Disambiguation dialog 895 switch (userStatus) { 896 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 897 if (verified) { 898 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 899 } else { 900 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 901 } 902 needUpdate = true; 903 break; 904 905 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 906 if (verified) { 907 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 908 needUpdate = true; 909 } 910 break; 911 912 default: 913 // Nothing to do 914 } 915 916 if (needUpdate) { 917 mSettings.updateIntentFilterVerificationStatusLPw( 918 packageName, updatedStatus, userId); 919 scheduleWritePackageRestrictionsLocked(userId); 920 } 921 } 922 } 923 } 924 925 @Override 926 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 927 ActivityIntentInfo filter, String packageName) { 928 if (!hasValidDomains(filter)) { 929 return false; 930 } 931 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 932 if (ivs == null) { 933 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 934 packageName); 935 } 936 if (DEBUG_DOMAIN_VERIFICATION) { 937 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 938 } 939 ivs.addFilter(filter); 940 return true; 941 } 942 943 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 944 int userId, int verificationId, String packageName) { 945 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 946 verifierUid, userId, packageName); 947 ivs.setPendingState(); 948 synchronized (mPackages) { 949 mIntentFilterVerificationStates.append(verificationId, ivs); 950 mCurrentIntentFilterVerifications.add(verificationId); 951 } 952 return ivs; 953 } 954 } 955 956 private static boolean hasValidDomains(ActivityIntentInfo filter) { 957 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 958 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 959 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 960 } 961 962 // Set of pending broadcasts for aggregating enable/disable of components. 963 static class PendingPackageBroadcasts { 964 // for each user id, a map of <package name -> components within that package> 965 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 966 967 public PendingPackageBroadcasts() { 968 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 969 } 970 971 public ArrayList<String> get(int userId, String packageName) { 972 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 973 return packages.get(packageName); 974 } 975 976 public void put(int userId, String packageName, ArrayList<String> components) { 977 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 978 packages.put(packageName, components); 979 } 980 981 public void remove(int userId, String packageName) { 982 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 983 if (packages != null) { 984 packages.remove(packageName); 985 } 986 } 987 988 public void remove(int userId) { 989 mUidMap.remove(userId); 990 } 991 992 public int userIdCount() { 993 return mUidMap.size(); 994 } 995 996 public int userIdAt(int n) { 997 return mUidMap.keyAt(n); 998 } 999 1000 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1001 return mUidMap.get(userId); 1002 } 1003 1004 public int size() { 1005 // total number of pending broadcast entries across all userIds 1006 int num = 0; 1007 for (int i = 0; i< mUidMap.size(); i++) { 1008 num += mUidMap.valueAt(i).size(); 1009 } 1010 return num; 1011 } 1012 1013 public void clear() { 1014 mUidMap.clear(); 1015 } 1016 1017 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1018 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1019 if (map == null) { 1020 map = new ArrayMap<String, ArrayList<String>>(); 1021 mUidMap.put(userId, map); 1022 } 1023 return map; 1024 } 1025 } 1026 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1027 1028 // Service Connection to remote media container service to copy 1029 // package uri's from external media onto secure containers 1030 // or internal storage. 1031 private IMediaContainerService mContainerService = null; 1032 1033 static final int SEND_PENDING_BROADCAST = 1; 1034 static final int MCS_BOUND = 3; 1035 static final int END_COPY = 4; 1036 static final int INIT_COPY = 5; 1037 static final int MCS_UNBIND = 6; 1038 static final int START_CLEANING_PACKAGE = 7; 1039 static final int FIND_INSTALL_LOC = 8; 1040 static final int POST_INSTALL = 9; 1041 static final int MCS_RECONNECT = 10; 1042 static final int MCS_GIVE_UP = 11; 1043 static final int UPDATED_MEDIA_STATUS = 12; 1044 static final int WRITE_SETTINGS = 13; 1045 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1046 static final int PACKAGE_VERIFIED = 15; 1047 static final int CHECK_PENDING_VERIFICATION = 16; 1048 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1049 static final int INTENT_FILTER_VERIFIED = 18; 1050 static final int WRITE_PACKAGE_LIST = 19; 1051 1052 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1053 1054 // Delay time in millisecs 1055 static final int BROADCAST_DELAY = 10 * 1000; 1056 1057 static UserManagerService sUserManager; 1058 1059 // Stores a list of users whose package restrictions file needs to be updated 1060 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1061 1062 final private DefaultContainerConnection mDefContainerConn = 1063 new DefaultContainerConnection(); 1064 class DefaultContainerConnection implements ServiceConnection { 1065 public void onServiceConnected(ComponentName name, IBinder service) { 1066 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1067 IMediaContainerService imcs = 1068 IMediaContainerService.Stub.asInterface(service); 1069 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1070 } 1071 1072 public void onServiceDisconnected(ComponentName name) { 1073 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1074 } 1075 } 1076 1077 // Recordkeeping of restore-after-install operations that are currently in flight 1078 // between the Package Manager and the Backup Manager 1079 static class PostInstallData { 1080 public InstallArgs args; 1081 public PackageInstalledInfo res; 1082 1083 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1084 args = _a; 1085 res = _r; 1086 } 1087 } 1088 1089 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1090 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1091 1092 // XML tags for backup/restore of various bits of state 1093 private static final String TAG_PREFERRED_BACKUP = "pa"; 1094 private static final String TAG_DEFAULT_APPS = "da"; 1095 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1096 1097 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1098 private static final String TAG_ALL_GRANTS = "rt-grants"; 1099 private static final String TAG_GRANT = "grant"; 1100 private static final String ATTR_PACKAGE_NAME = "pkg"; 1101 1102 private static final String TAG_PERMISSION = "perm"; 1103 private static final String ATTR_PERMISSION_NAME = "name"; 1104 private static final String ATTR_IS_GRANTED = "g"; 1105 private static final String ATTR_USER_SET = "set"; 1106 private static final String ATTR_USER_FIXED = "fixed"; 1107 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1108 1109 // System/policy permission grants are not backed up 1110 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1111 FLAG_PERMISSION_POLICY_FIXED 1112 | FLAG_PERMISSION_SYSTEM_FIXED 1113 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1114 1115 // And we back up these user-adjusted states 1116 private static final int USER_RUNTIME_GRANT_MASK = 1117 FLAG_PERMISSION_USER_SET 1118 | FLAG_PERMISSION_USER_FIXED 1119 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1120 1121 final @Nullable String mRequiredVerifierPackage; 1122 final @NonNull String mRequiredInstallerPackage; 1123 final @Nullable String mSetupWizardPackage; 1124 final @NonNull String mServicesSystemSharedLibraryPackageName; 1125 final @NonNull String mSharedSystemSharedLibraryPackageName; 1126 1127 private final PackageUsage mPackageUsage = new PackageUsage(); 1128 1129 private class PackageUsage { 1130 private static final int WRITE_INTERVAL 1131 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1132 1133 private final Object mFileLock = new Object(); 1134 private final AtomicLong mLastWritten = new AtomicLong(0); 1135 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1136 1137 private boolean mIsHistoricalPackageUsageAvailable = true; 1138 1139 boolean isHistoricalPackageUsageAvailable() { 1140 return mIsHistoricalPackageUsageAvailable; 1141 } 1142 1143 void write(boolean force) { 1144 if (force) { 1145 writeInternal(); 1146 return; 1147 } 1148 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1149 && !DEBUG_DEXOPT) { 1150 return; 1151 } 1152 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1153 new Thread("PackageUsage_DiskWriter") { 1154 @Override 1155 public void run() { 1156 try { 1157 writeInternal(); 1158 } finally { 1159 mBackgroundWriteRunning.set(false); 1160 } 1161 } 1162 }.start(); 1163 } 1164 } 1165 1166 private void writeInternal() { 1167 synchronized (mPackages) { 1168 synchronized (mFileLock) { 1169 AtomicFile file = getFile(); 1170 FileOutputStream f = null; 1171 try { 1172 f = file.startWrite(); 1173 BufferedOutputStream out = new BufferedOutputStream(f); 1174 FileUtils.setPermissions(file.getBaseFile().getPath(), 1175 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1176 StringBuilder sb = new StringBuilder(); 1177 1178 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1179 sb.append('\n'); 1180 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1181 1182 for (PackageParser.Package pkg : mPackages.values()) { 1183 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1184 continue; 1185 } 1186 sb.setLength(0); 1187 sb.append(pkg.packageName); 1188 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1189 sb.append(' '); 1190 sb.append(usageTimeInMillis); 1191 } 1192 sb.append('\n'); 1193 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1194 } 1195 out.flush(); 1196 file.finishWrite(f); 1197 } catch (IOException e) { 1198 if (f != null) { 1199 file.failWrite(f); 1200 } 1201 Log.e(TAG, "Failed to write package usage times", e); 1202 } 1203 } 1204 } 1205 mLastWritten.set(SystemClock.elapsedRealtime()); 1206 } 1207 1208 void readLP() { 1209 synchronized (mFileLock) { 1210 AtomicFile file = getFile(); 1211 BufferedInputStream in = null; 1212 try { 1213 in = new BufferedInputStream(file.openRead()); 1214 StringBuffer sb = new StringBuffer(); 1215 1216 String firstLine = readLine(in, sb); 1217 if (firstLine == null) { 1218 // Empty file. Do nothing. 1219 } else if (USAGE_FILE_MAGIC_VERSION_1.equals(firstLine)) { 1220 readVersion1LP(in, sb); 1221 } else { 1222 readVersion0LP(in, sb, firstLine); 1223 } 1224 } catch (FileNotFoundException expected) { 1225 mIsHistoricalPackageUsageAvailable = false; 1226 } catch (IOException e) { 1227 Log.w(TAG, "Failed to read package usage times", e); 1228 } finally { 1229 IoUtils.closeQuietly(in); 1230 } 1231 } 1232 mLastWritten.set(SystemClock.elapsedRealtime()); 1233 } 1234 1235 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1236 throws IOException { 1237 // Initial version of the file had no version number and stored one 1238 // package-timestamp pair per line. 1239 // Note that the first line has already been read from the InputStream. 1240 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1241 String[] tokens = line.split(" "); 1242 if (tokens.length != 2) { 1243 throw new IOException("Failed to parse " + line + 1244 " as package-timestamp pair."); 1245 } 1246 1247 String packageName = tokens[0]; 1248 PackageParser.Package pkg = mPackages.get(packageName); 1249 if (pkg == null) { 1250 continue; 1251 } 1252 1253 long timestamp = parseAsLong(tokens[1]); 1254 for (int reason = 0; 1255 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1256 reason++) { 1257 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1258 } 1259 } 1260 } 1261 1262 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1263 // Version 1 of the file started with the corresponding version 1264 // number and then stored a package name and eight timestamps per line. 1265 String line; 1266 while ((line = readLine(in, sb)) != null) { 1267 String[] tokens = line.split(" "); 1268 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1269 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1270 } 1271 1272 String packageName = tokens[0]; 1273 PackageParser.Package pkg = mPackages.get(packageName); 1274 if (pkg == null) { 1275 continue; 1276 } 1277 1278 for (int reason = 0; 1279 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1280 reason++) { 1281 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1282 } 1283 } 1284 } 1285 1286 private long parseAsLong(String token) throws IOException { 1287 try { 1288 return Long.parseLong(token); 1289 } catch (NumberFormatException e) { 1290 throw new IOException("Failed to parse " + token + " as a long.", e); 1291 } 1292 } 1293 1294 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1295 return readToken(in, sb, '\n'); 1296 } 1297 1298 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1299 throws IOException { 1300 sb.setLength(0); 1301 while (true) { 1302 int ch = in.read(); 1303 if (ch == -1) { 1304 if (sb.length() == 0) { 1305 return null; 1306 } 1307 throw new IOException("Unexpected EOF"); 1308 } 1309 if (ch == endOfToken) { 1310 return sb.toString(); 1311 } 1312 sb.append((char)ch); 1313 } 1314 } 1315 1316 private AtomicFile getFile() { 1317 File dataDir = Environment.getDataDirectory(); 1318 File systemDir = new File(dataDir, "system"); 1319 File fname = new File(systemDir, "package-usage.list"); 1320 return new AtomicFile(fname); 1321 } 1322 1323 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1324 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1325 } 1326 1327 class PackageHandler extends Handler { 1328 private boolean mBound = false; 1329 final ArrayList<HandlerParams> mPendingInstalls = 1330 new ArrayList<HandlerParams>(); 1331 1332 private boolean connectToService() { 1333 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1334 " DefaultContainerService"); 1335 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1336 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1337 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1338 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1339 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1340 mBound = true; 1341 return true; 1342 } 1343 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1344 return false; 1345 } 1346 1347 private void disconnectService() { 1348 mContainerService = null; 1349 mBound = false; 1350 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1351 mContext.unbindService(mDefContainerConn); 1352 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1353 } 1354 1355 PackageHandler(Looper looper) { 1356 super(looper); 1357 } 1358 1359 public void handleMessage(Message msg) { 1360 try { 1361 doHandleMessage(msg); 1362 } finally { 1363 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1364 } 1365 } 1366 1367 void doHandleMessage(Message msg) { 1368 switch (msg.what) { 1369 case INIT_COPY: { 1370 HandlerParams params = (HandlerParams) msg.obj; 1371 int idx = mPendingInstalls.size(); 1372 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1373 // If a bind was already initiated we dont really 1374 // need to do anything. The pending install 1375 // will be processed later on. 1376 if (!mBound) { 1377 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1378 System.identityHashCode(mHandler)); 1379 // If this is the only one pending we might 1380 // have to bind to the service again. 1381 if (!connectToService()) { 1382 Slog.e(TAG, "Failed to bind to media container service"); 1383 params.serviceError(); 1384 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1385 System.identityHashCode(mHandler)); 1386 if (params.traceMethod != null) { 1387 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1388 params.traceCookie); 1389 } 1390 return; 1391 } else { 1392 // Once we bind to the service, the first 1393 // pending request will be processed. 1394 mPendingInstalls.add(idx, params); 1395 } 1396 } else { 1397 mPendingInstalls.add(idx, params); 1398 // Already bound to the service. Just make 1399 // sure we trigger off processing the first request. 1400 if (idx == 0) { 1401 mHandler.sendEmptyMessage(MCS_BOUND); 1402 } 1403 } 1404 break; 1405 } 1406 case MCS_BOUND: { 1407 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1408 if (msg.obj != null) { 1409 mContainerService = (IMediaContainerService) msg.obj; 1410 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1411 System.identityHashCode(mHandler)); 1412 } 1413 if (mContainerService == null) { 1414 if (!mBound) { 1415 // Something seriously wrong since we are not bound and we are not 1416 // waiting for connection. Bail out. 1417 Slog.e(TAG, "Cannot bind to media container service"); 1418 for (HandlerParams params : mPendingInstalls) { 1419 // Indicate service bind error 1420 params.serviceError(); 1421 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1422 System.identityHashCode(params)); 1423 if (params.traceMethod != null) { 1424 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1425 params.traceMethod, params.traceCookie); 1426 } 1427 return; 1428 } 1429 mPendingInstalls.clear(); 1430 } else { 1431 Slog.w(TAG, "Waiting to connect to media container service"); 1432 } 1433 } else if (mPendingInstalls.size() > 0) { 1434 HandlerParams params = mPendingInstalls.get(0); 1435 if (params != null) { 1436 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1437 System.identityHashCode(params)); 1438 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1439 if (params.startCopy()) { 1440 // We are done... look for more work or to 1441 // go idle. 1442 if (DEBUG_SD_INSTALL) Log.i(TAG, 1443 "Checking for more work or unbind..."); 1444 // Delete pending install 1445 if (mPendingInstalls.size() > 0) { 1446 mPendingInstalls.remove(0); 1447 } 1448 if (mPendingInstalls.size() == 0) { 1449 if (mBound) { 1450 if (DEBUG_SD_INSTALL) Log.i(TAG, 1451 "Posting delayed MCS_UNBIND"); 1452 removeMessages(MCS_UNBIND); 1453 Message ubmsg = obtainMessage(MCS_UNBIND); 1454 // Unbind after a little delay, to avoid 1455 // continual thrashing. 1456 sendMessageDelayed(ubmsg, 10000); 1457 } 1458 } else { 1459 // There are more pending requests in queue. 1460 // Just post MCS_BOUND message to trigger processing 1461 // of next pending install. 1462 if (DEBUG_SD_INSTALL) Log.i(TAG, 1463 "Posting MCS_BOUND for next work"); 1464 mHandler.sendEmptyMessage(MCS_BOUND); 1465 } 1466 } 1467 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1468 } 1469 } else { 1470 // Should never happen ideally. 1471 Slog.w(TAG, "Empty queue"); 1472 } 1473 break; 1474 } 1475 case MCS_RECONNECT: { 1476 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1477 if (mPendingInstalls.size() > 0) { 1478 if (mBound) { 1479 disconnectService(); 1480 } 1481 if (!connectToService()) { 1482 Slog.e(TAG, "Failed to bind to media container service"); 1483 for (HandlerParams params : mPendingInstalls) { 1484 // Indicate service bind error 1485 params.serviceError(); 1486 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1487 System.identityHashCode(params)); 1488 } 1489 mPendingInstalls.clear(); 1490 } 1491 } 1492 break; 1493 } 1494 case MCS_UNBIND: { 1495 // If there is no actual work left, then time to unbind. 1496 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1497 1498 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1499 if (mBound) { 1500 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1501 1502 disconnectService(); 1503 } 1504 } else if (mPendingInstalls.size() > 0) { 1505 // There are more pending requests in queue. 1506 // Just post MCS_BOUND message to trigger processing 1507 // of next pending install. 1508 mHandler.sendEmptyMessage(MCS_BOUND); 1509 } 1510 1511 break; 1512 } 1513 case MCS_GIVE_UP: { 1514 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1515 HandlerParams params = mPendingInstalls.remove(0); 1516 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1517 System.identityHashCode(params)); 1518 break; 1519 } 1520 case SEND_PENDING_BROADCAST: { 1521 String packages[]; 1522 ArrayList<String> components[]; 1523 int size = 0; 1524 int uids[]; 1525 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1526 synchronized (mPackages) { 1527 if (mPendingBroadcasts == null) { 1528 return; 1529 } 1530 size = mPendingBroadcasts.size(); 1531 if (size <= 0) { 1532 // Nothing to be done. Just return 1533 return; 1534 } 1535 packages = new String[size]; 1536 components = new ArrayList[size]; 1537 uids = new int[size]; 1538 int i = 0; // filling out the above arrays 1539 1540 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1541 int packageUserId = mPendingBroadcasts.userIdAt(n); 1542 Iterator<Map.Entry<String, ArrayList<String>>> it 1543 = mPendingBroadcasts.packagesForUserId(packageUserId) 1544 .entrySet().iterator(); 1545 while (it.hasNext() && i < size) { 1546 Map.Entry<String, ArrayList<String>> ent = it.next(); 1547 packages[i] = ent.getKey(); 1548 components[i] = ent.getValue(); 1549 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1550 uids[i] = (ps != null) 1551 ? UserHandle.getUid(packageUserId, ps.appId) 1552 : -1; 1553 i++; 1554 } 1555 } 1556 size = i; 1557 mPendingBroadcasts.clear(); 1558 } 1559 // Send broadcasts 1560 for (int i = 0; i < size; i++) { 1561 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1562 } 1563 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1564 break; 1565 } 1566 case START_CLEANING_PACKAGE: { 1567 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1568 final String packageName = (String)msg.obj; 1569 final int userId = msg.arg1; 1570 final boolean andCode = msg.arg2 != 0; 1571 synchronized (mPackages) { 1572 if (userId == UserHandle.USER_ALL) { 1573 int[] users = sUserManager.getUserIds(); 1574 for (int user : users) { 1575 mSettings.addPackageToCleanLPw( 1576 new PackageCleanItem(user, packageName, andCode)); 1577 } 1578 } else { 1579 mSettings.addPackageToCleanLPw( 1580 new PackageCleanItem(userId, packageName, andCode)); 1581 } 1582 } 1583 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1584 startCleaningPackages(); 1585 } break; 1586 case POST_INSTALL: { 1587 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1588 1589 PostInstallData data = mRunningInstalls.get(msg.arg1); 1590 final boolean didRestore = (msg.arg2 != 0); 1591 mRunningInstalls.delete(msg.arg1); 1592 1593 if (data != null) { 1594 InstallArgs args = data.args; 1595 PackageInstalledInfo parentRes = data.res; 1596 1597 final boolean grantPermissions = (args.installFlags 1598 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1599 final boolean killApp = (args.installFlags 1600 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1601 final String[] grantedPermissions = args.installGrantPermissions; 1602 1603 // Handle the parent package 1604 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1605 grantedPermissions, didRestore, args.installerPackageName, 1606 args.observer); 1607 1608 // Handle the child packages 1609 final int childCount = (parentRes.addedChildPackages != null) 1610 ? parentRes.addedChildPackages.size() : 0; 1611 for (int i = 0; i < childCount; i++) { 1612 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1613 handlePackagePostInstall(childRes, grantPermissions, killApp, 1614 grantedPermissions, false, args.installerPackageName, 1615 args.observer); 1616 } 1617 1618 // Log tracing if needed 1619 if (args.traceMethod != null) { 1620 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1621 args.traceCookie); 1622 } 1623 } else { 1624 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1625 } 1626 1627 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1628 } break; 1629 case UPDATED_MEDIA_STATUS: { 1630 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1631 boolean reportStatus = msg.arg1 == 1; 1632 boolean doGc = msg.arg2 == 1; 1633 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1634 if (doGc) { 1635 // Force a gc to clear up stale containers. 1636 Runtime.getRuntime().gc(); 1637 } 1638 if (msg.obj != null) { 1639 @SuppressWarnings("unchecked") 1640 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1641 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1642 // Unload containers 1643 unloadAllContainers(args); 1644 } 1645 if (reportStatus) { 1646 try { 1647 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1648 PackageHelper.getMountService().finishMediaUpdate(); 1649 } catch (RemoteException e) { 1650 Log.e(TAG, "MountService not running?"); 1651 } 1652 } 1653 } break; 1654 case WRITE_SETTINGS: { 1655 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1656 synchronized (mPackages) { 1657 removeMessages(WRITE_SETTINGS); 1658 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1659 mSettings.writeLPr(); 1660 mDirtyUsers.clear(); 1661 } 1662 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1663 } break; 1664 case WRITE_PACKAGE_RESTRICTIONS: { 1665 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1666 synchronized (mPackages) { 1667 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1668 for (int userId : mDirtyUsers) { 1669 mSettings.writePackageRestrictionsLPr(userId); 1670 } 1671 mDirtyUsers.clear(); 1672 } 1673 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1674 } break; 1675 case WRITE_PACKAGE_LIST: { 1676 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1677 synchronized (mPackages) { 1678 removeMessages(WRITE_PACKAGE_LIST); 1679 mSettings.writePackageListLPr(msg.arg1); 1680 } 1681 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1682 } break; 1683 case CHECK_PENDING_VERIFICATION: { 1684 final int verificationId = msg.arg1; 1685 final PackageVerificationState state = mPendingVerification.get(verificationId); 1686 1687 if ((state != null) && !state.timeoutExtended()) { 1688 final InstallArgs args = state.getInstallArgs(); 1689 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1690 1691 Slog.i(TAG, "Verification timed out for " + originUri); 1692 mPendingVerification.remove(verificationId); 1693 1694 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1695 1696 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1697 Slog.i(TAG, "Continuing with installation of " + originUri); 1698 state.setVerifierResponse(Binder.getCallingUid(), 1699 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1700 broadcastPackageVerified(verificationId, originUri, 1701 PackageManager.VERIFICATION_ALLOW, 1702 state.getInstallArgs().getUser()); 1703 try { 1704 ret = args.copyApk(mContainerService, true); 1705 } catch (RemoteException e) { 1706 Slog.e(TAG, "Could not contact the ContainerService"); 1707 } 1708 } else { 1709 broadcastPackageVerified(verificationId, originUri, 1710 PackageManager.VERIFICATION_REJECT, 1711 state.getInstallArgs().getUser()); 1712 } 1713 1714 Trace.asyncTraceEnd( 1715 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1716 1717 processPendingInstall(args, ret); 1718 mHandler.sendEmptyMessage(MCS_UNBIND); 1719 } 1720 break; 1721 } 1722 case PACKAGE_VERIFIED: { 1723 final int verificationId = msg.arg1; 1724 1725 final PackageVerificationState state = mPendingVerification.get(verificationId); 1726 if (state == null) { 1727 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1728 break; 1729 } 1730 1731 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1732 1733 state.setVerifierResponse(response.callerUid, response.code); 1734 1735 if (state.isVerificationComplete()) { 1736 mPendingVerification.remove(verificationId); 1737 1738 final InstallArgs args = state.getInstallArgs(); 1739 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1740 1741 int ret; 1742 if (state.isInstallAllowed()) { 1743 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1744 broadcastPackageVerified(verificationId, originUri, 1745 response.code, state.getInstallArgs().getUser()); 1746 try { 1747 ret = args.copyApk(mContainerService, true); 1748 } catch (RemoteException e) { 1749 Slog.e(TAG, "Could not contact the ContainerService"); 1750 } 1751 } else { 1752 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1753 } 1754 1755 Trace.asyncTraceEnd( 1756 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1757 1758 processPendingInstall(args, ret); 1759 mHandler.sendEmptyMessage(MCS_UNBIND); 1760 } 1761 1762 break; 1763 } 1764 case START_INTENT_FILTER_VERIFICATIONS: { 1765 IFVerificationParams params = (IFVerificationParams) msg.obj; 1766 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1767 params.replacing, params.pkg); 1768 break; 1769 } 1770 case INTENT_FILTER_VERIFIED: { 1771 final int verificationId = msg.arg1; 1772 1773 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1774 verificationId); 1775 if (state == null) { 1776 Slog.w(TAG, "Invalid IntentFilter verification token " 1777 + verificationId + " received"); 1778 break; 1779 } 1780 1781 final int userId = state.getUserId(); 1782 1783 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1784 "Processing IntentFilter verification with token:" 1785 + verificationId + " and userId:" + userId); 1786 1787 final IntentFilterVerificationResponse response = 1788 (IntentFilterVerificationResponse) msg.obj; 1789 1790 state.setVerifierResponse(response.callerUid, response.code); 1791 1792 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1793 "IntentFilter verification with token:" + verificationId 1794 + " and userId:" + userId 1795 + " is settings verifier response with response code:" 1796 + response.code); 1797 1798 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1799 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1800 + response.getFailedDomainsString()); 1801 } 1802 1803 if (state.isVerificationComplete()) { 1804 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1805 } else { 1806 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1807 "IntentFilter verification with token:" + verificationId 1808 + " was not said to be complete"); 1809 } 1810 1811 break; 1812 } 1813 } 1814 } 1815 } 1816 1817 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1818 boolean killApp, String[] grantedPermissions, 1819 boolean launchedForRestore, String installerPackage, 1820 IPackageInstallObserver2 installObserver) { 1821 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1822 // Send the removed broadcasts 1823 if (res.removedInfo != null) { 1824 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1825 } 1826 1827 // Now that we successfully installed the package, grant runtime 1828 // permissions if requested before broadcasting the install. 1829 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1830 >= Build.VERSION_CODES.M) { 1831 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1832 } 1833 1834 final boolean update = res.removedInfo != null 1835 && res.removedInfo.removedPackage != null; 1836 1837 // If this is the first time we have child packages for a disabled privileged 1838 // app that had no children, we grant requested runtime permissions to the new 1839 // children if the parent on the system image had them already granted. 1840 if (res.pkg.parentPackage != null) { 1841 synchronized (mPackages) { 1842 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1843 } 1844 } 1845 1846 synchronized (mPackages) { 1847 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1848 } 1849 1850 final String packageName = res.pkg.applicationInfo.packageName; 1851 Bundle extras = new Bundle(1); 1852 extras.putInt(Intent.EXTRA_UID, res.uid); 1853 1854 // Determine the set of users who are adding this package for 1855 // the first time vs. those who are seeing an update. 1856 int[] firstUsers = EMPTY_INT_ARRAY; 1857 int[] updateUsers = EMPTY_INT_ARRAY; 1858 if (res.origUsers == null || res.origUsers.length == 0) { 1859 firstUsers = res.newUsers; 1860 } else { 1861 for (int newUser : res.newUsers) { 1862 boolean isNew = true; 1863 for (int origUser : res.origUsers) { 1864 if (origUser == newUser) { 1865 isNew = false; 1866 break; 1867 } 1868 } 1869 if (isNew) { 1870 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1871 } else { 1872 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1873 } 1874 } 1875 } 1876 1877 // Send installed broadcasts if the install/update is not ephemeral 1878 if (!isEphemeral(res.pkg)) { 1879 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1880 1881 // Send added for users that see the package for the first time 1882 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1883 extras, 0 /*flags*/, null /*targetPackage*/, 1884 null /*finishedReceiver*/, firstUsers); 1885 1886 // Send added for users that don't see the package for the first time 1887 if (update) { 1888 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1889 } 1890 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1891 extras, 0 /*flags*/, null /*targetPackage*/, 1892 null /*finishedReceiver*/, updateUsers); 1893 1894 // Send replaced for users that don't see the package for the first time 1895 if (update) { 1896 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1897 packageName, extras, 0 /*flags*/, 1898 null /*targetPackage*/, null /*finishedReceiver*/, 1899 updateUsers); 1900 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1901 null /*package*/, null /*extras*/, 0 /*flags*/, 1902 packageName /*targetPackage*/, 1903 null /*finishedReceiver*/, updateUsers); 1904 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1905 // First-install and we did a restore, so we're responsible for the 1906 // first-launch broadcast. 1907 if (DEBUG_BACKUP) { 1908 Slog.i(TAG, "Post-restore of " + packageName 1909 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1910 } 1911 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1912 } 1913 1914 // Send broadcast package appeared if forward locked/external for all users 1915 // treat asec-hosted packages like removable media on upgrade 1916 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1917 if (DEBUG_INSTALL) { 1918 Slog.i(TAG, "upgrading pkg " + res.pkg 1919 + " is ASEC-hosted -> AVAILABLE"); 1920 } 1921 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1922 ArrayList<String> pkgList = new ArrayList<>(1); 1923 pkgList.add(packageName); 1924 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1925 } 1926 } 1927 1928 // Work that needs to happen on first install within each user 1929 if (firstUsers != null && firstUsers.length > 0) { 1930 synchronized (mPackages) { 1931 for (int userId : firstUsers) { 1932 // If this app is a browser and it's newly-installed for some 1933 // users, clear any default-browser state in those users. The 1934 // app's nature doesn't depend on the user, so we can just check 1935 // its browser nature in any user and generalize. 1936 if (packageIsBrowser(packageName, userId)) { 1937 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1938 } 1939 1940 // We may also need to apply pending (restored) runtime 1941 // permission grants within these users. 1942 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1943 } 1944 } 1945 } 1946 1947 // Log current value of "unknown sources" setting 1948 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1949 getUnknownSourcesSettings()); 1950 1951 // Force a gc to clear up things 1952 Runtime.getRuntime().gc(); 1953 1954 // Remove the replaced package's older resources safely now 1955 // We delete after a gc for applications on sdcard. 1956 if (res.removedInfo != null && res.removedInfo.args != null) { 1957 synchronized (mInstallLock) { 1958 res.removedInfo.args.doPostDeleteLI(true); 1959 } 1960 } 1961 } 1962 1963 // If someone is watching installs - notify them 1964 if (installObserver != null) { 1965 try { 1966 Bundle extras = extrasForInstallResult(res); 1967 installObserver.onPackageInstalled(res.name, res.returnCode, 1968 res.returnMsg, extras); 1969 } catch (RemoteException e) { 1970 Slog.i(TAG, "Observer no longer exists."); 1971 } 1972 } 1973 } 1974 1975 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1976 PackageParser.Package pkg) { 1977 if (pkg.parentPackage == null) { 1978 return; 1979 } 1980 if (pkg.requestedPermissions == null) { 1981 return; 1982 } 1983 final PackageSetting disabledSysParentPs = mSettings 1984 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1985 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1986 || !disabledSysParentPs.isPrivileged() 1987 || (disabledSysParentPs.childPackageNames != null 1988 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1989 return; 1990 } 1991 final int[] allUserIds = sUserManager.getUserIds(); 1992 final int permCount = pkg.requestedPermissions.size(); 1993 for (int i = 0; i < permCount; i++) { 1994 String permission = pkg.requestedPermissions.get(i); 1995 BasePermission bp = mSettings.mPermissions.get(permission); 1996 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1997 continue; 1998 } 1999 for (int userId : allUserIds) { 2000 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 2001 permission, userId)) { 2002 grantRuntimePermission(pkg.packageName, permission, userId); 2003 } 2004 } 2005 } 2006 } 2007 2008 private StorageEventListener mStorageListener = new StorageEventListener() { 2009 @Override 2010 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2011 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2012 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2013 final String volumeUuid = vol.getFsUuid(); 2014 2015 // Clean up any users or apps that were removed or recreated 2016 // while this volume was missing 2017 reconcileUsers(volumeUuid); 2018 reconcileApps(volumeUuid); 2019 2020 // Clean up any install sessions that expired or were 2021 // cancelled while this volume was missing 2022 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2023 2024 loadPrivatePackages(vol); 2025 2026 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2027 unloadPrivatePackages(vol); 2028 } 2029 } 2030 2031 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2032 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2033 updateExternalMediaStatus(true, false); 2034 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2035 updateExternalMediaStatus(false, false); 2036 } 2037 } 2038 } 2039 2040 @Override 2041 public void onVolumeForgotten(String fsUuid) { 2042 if (TextUtils.isEmpty(fsUuid)) { 2043 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2044 return; 2045 } 2046 2047 // Remove any apps installed on the forgotten volume 2048 synchronized (mPackages) { 2049 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2050 for (PackageSetting ps : packages) { 2051 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2052 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2053 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2054 } 2055 2056 mSettings.onVolumeForgotten(fsUuid); 2057 mSettings.writeLPr(); 2058 } 2059 } 2060 }; 2061 2062 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2063 String[] grantedPermissions) { 2064 for (int userId : userIds) { 2065 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2066 } 2067 2068 // We could have touched GID membership, so flush out packages.list 2069 synchronized (mPackages) { 2070 mSettings.writePackageListLPr(); 2071 } 2072 } 2073 2074 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2075 String[] grantedPermissions) { 2076 SettingBase sb = (SettingBase) pkg.mExtras; 2077 if (sb == null) { 2078 return; 2079 } 2080 2081 PermissionsState permissionsState = sb.getPermissionsState(); 2082 2083 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2084 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2085 2086 for (String permission : pkg.requestedPermissions) { 2087 final BasePermission bp; 2088 synchronized (mPackages) { 2089 bp = mSettings.mPermissions.get(permission); 2090 } 2091 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2092 && (grantedPermissions == null 2093 || ArrayUtils.contains(grantedPermissions, permission))) { 2094 final int flags = permissionsState.getPermissionFlags(permission, userId); 2095 // Installer cannot change immutable permissions. 2096 if ((flags & immutableFlags) == 0) { 2097 grantRuntimePermission(pkg.packageName, permission, userId); 2098 } 2099 } 2100 } 2101 } 2102 2103 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2104 Bundle extras = null; 2105 switch (res.returnCode) { 2106 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2107 extras = new Bundle(); 2108 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2109 res.origPermission); 2110 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2111 res.origPackage); 2112 break; 2113 } 2114 case PackageManager.INSTALL_SUCCEEDED: { 2115 extras = new Bundle(); 2116 extras.putBoolean(Intent.EXTRA_REPLACING, 2117 res.removedInfo != null && res.removedInfo.removedPackage != null); 2118 break; 2119 } 2120 } 2121 return extras; 2122 } 2123 2124 void scheduleWriteSettingsLocked() { 2125 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2126 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2127 } 2128 } 2129 2130 void scheduleWritePackageListLocked(int userId) { 2131 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2132 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2133 msg.arg1 = userId; 2134 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2135 } 2136 } 2137 2138 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2139 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2140 scheduleWritePackageRestrictionsLocked(userId); 2141 } 2142 2143 void scheduleWritePackageRestrictionsLocked(int userId) { 2144 final int[] userIds = (userId == UserHandle.USER_ALL) 2145 ? sUserManager.getUserIds() : new int[]{userId}; 2146 for (int nextUserId : userIds) { 2147 if (!sUserManager.exists(nextUserId)) return; 2148 mDirtyUsers.add(nextUserId); 2149 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2150 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2151 } 2152 } 2153 } 2154 2155 public static PackageManagerService main(Context context, Installer installer, 2156 boolean factoryTest, boolean onlyCore) { 2157 // Self-check for initial settings. 2158 PackageManagerServiceCompilerMapping.checkProperties(); 2159 2160 PackageManagerService m = new PackageManagerService(context, installer, 2161 factoryTest, onlyCore); 2162 m.enableSystemUserPackages(); 2163 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2164 // disabled after already being started. 2165 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2166 UserHandle.USER_SYSTEM); 2167 ServiceManager.addService("package", m); 2168 return m; 2169 } 2170 2171 private void enableSystemUserPackages() { 2172 if (!UserManager.isSplitSystemUser()) { 2173 return; 2174 } 2175 // For system user, enable apps based on the following conditions: 2176 // - app is whitelisted or belong to one of these groups: 2177 // -- system app which has no launcher icons 2178 // -- system app which has INTERACT_ACROSS_USERS permission 2179 // -- system IME app 2180 // - app is not in the blacklist 2181 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2182 Set<String> enableApps = new ArraySet<>(); 2183 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2184 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2185 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2186 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2187 enableApps.addAll(wlApps); 2188 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2189 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2190 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2191 enableApps.removeAll(blApps); 2192 Log.i(TAG, "Applications installed for system user: " + enableApps); 2193 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2194 UserHandle.SYSTEM); 2195 final int allAppsSize = allAps.size(); 2196 synchronized (mPackages) { 2197 for (int i = 0; i < allAppsSize; i++) { 2198 String pName = allAps.get(i); 2199 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2200 // Should not happen, but we shouldn't be failing if it does 2201 if (pkgSetting == null) { 2202 continue; 2203 } 2204 boolean install = enableApps.contains(pName); 2205 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2206 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2207 + " for system user"); 2208 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2209 } 2210 } 2211 } 2212 } 2213 2214 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2215 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2216 Context.DISPLAY_SERVICE); 2217 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2218 } 2219 2220 public PackageManagerService(Context context, Installer installer, 2221 boolean factoryTest, boolean onlyCore) { 2222 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2223 SystemClock.uptimeMillis()); 2224 2225 if (mSdkVersion <= 0) { 2226 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2227 } 2228 2229 mContext = context; 2230 mFactoryTest = factoryTest; 2231 mOnlyCore = onlyCore; 2232 mMetrics = new DisplayMetrics(); 2233 mSettings = new Settings(mPackages); 2234 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2235 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2236 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2237 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2238 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2239 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2240 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2241 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2242 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2243 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2244 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2245 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2246 2247 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2248 if (separateProcesses != null && separateProcesses.length() > 0) { 2249 if ("*".equals(separateProcesses)) { 2250 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2251 mSeparateProcesses = null; 2252 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2253 } else { 2254 mDefParseFlags = 0; 2255 mSeparateProcesses = separateProcesses.split(","); 2256 Slog.w(TAG, "Running with debug.separate_processes: " 2257 + separateProcesses); 2258 } 2259 } else { 2260 mDefParseFlags = 0; 2261 mSeparateProcesses = null; 2262 } 2263 2264 mInstaller = installer; 2265 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2266 "*dexopt*"); 2267 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2268 2269 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2270 FgThread.get().getLooper()); 2271 2272 getDefaultDisplayMetrics(context, mMetrics); 2273 2274 SystemConfig systemConfig = SystemConfig.getInstance(); 2275 mGlobalGids = systemConfig.getGlobalGids(); 2276 mSystemPermissions = systemConfig.getSystemPermissions(); 2277 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2278 2279 synchronized (mInstallLock) { 2280 // writer 2281 synchronized (mPackages) { 2282 mHandlerThread = new ServiceThread(TAG, 2283 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2284 mHandlerThread.start(); 2285 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2286 mProcessLoggingHandler = new ProcessLoggingHandler(); 2287 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2288 2289 File dataDir = Environment.getDataDirectory(); 2290 mAppInstallDir = new File(dataDir, "app"); 2291 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2292 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2293 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2294 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2295 2296 sUserManager = new UserManagerService(context, this, mPackages); 2297 2298 // Propagate permission configuration in to package manager. 2299 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2300 = systemConfig.getPermissions(); 2301 for (int i=0; i<permConfig.size(); i++) { 2302 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2303 BasePermission bp = mSettings.mPermissions.get(perm.name); 2304 if (bp == null) { 2305 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2306 mSettings.mPermissions.put(perm.name, bp); 2307 } 2308 if (perm.gids != null) { 2309 bp.setGids(perm.gids, perm.perUser); 2310 } 2311 } 2312 2313 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2314 for (int i=0; i<libConfig.size(); i++) { 2315 mSharedLibraries.put(libConfig.keyAt(i), 2316 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2317 } 2318 2319 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2320 2321 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2322 2323 String customResolverActivity = Resources.getSystem().getString( 2324 R.string.config_customResolverActivity); 2325 if (TextUtils.isEmpty(customResolverActivity)) { 2326 customResolverActivity = null; 2327 } else { 2328 mCustomResolverComponentName = ComponentName.unflattenFromString( 2329 customResolverActivity); 2330 } 2331 2332 long startTime = SystemClock.uptimeMillis(); 2333 2334 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2335 startTime); 2336 2337 // Set flag to monitor and not change apk file paths when 2338 // scanning install directories. 2339 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2340 2341 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2342 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2343 2344 if (bootClassPath == null) { 2345 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2346 } 2347 2348 if (systemServerClassPath == null) { 2349 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2350 } 2351 2352 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2353 final String[] dexCodeInstructionSets = 2354 getDexCodeInstructionSets( 2355 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2356 2357 /** 2358 * Ensure all external libraries have had dexopt run on them. 2359 */ 2360 if (mSharedLibraries.size() > 0) { 2361 // NOTE: For now, we're compiling these system "shared libraries" 2362 // (and framework jars) into all available architectures. It's possible 2363 // to compile them only when we come across an app that uses them (there's 2364 // already logic for that in scanPackageLI) but that adds some complexity. 2365 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2366 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2367 final String lib = libEntry.path; 2368 if (lib == null) { 2369 continue; 2370 } 2371 2372 try { 2373 // Shared libraries do not have profiles so we perform a full 2374 // AOT compilation (if needed). 2375 int dexoptNeeded = DexFile.getDexOptNeeded( 2376 lib, dexCodeInstructionSet, 2377 getCompilerFilterForReason(REASON_SHARED_APK), 2378 false /* newProfile */); 2379 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2380 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2381 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2382 getCompilerFilterForReason(REASON_SHARED_APK), 2383 StorageManager.UUID_PRIVATE_INTERNAL, 2384 SKIP_SHARED_LIBRARY_CHECK); 2385 } 2386 } catch (FileNotFoundException e) { 2387 Slog.w(TAG, "Library not found: " + lib); 2388 } catch (IOException | InstallerException e) { 2389 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2390 + e.getMessage()); 2391 } 2392 } 2393 } 2394 } 2395 2396 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2397 2398 final VersionInfo ver = mSettings.getInternalVersion(); 2399 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2400 2401 // when upgrading from pre-M, promote system app permissions from install to runtime 2402 mPromoteSystemApps = 2403 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2404 2405 // When upgrading from pre-N, we need to handle package extraction like first boot, 2406 // as there is no profiling data available. 2407 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2408 2409 // save off the names of pre-existing system packages prior to scanning; we don't 2410 // want to automatically grant runtime permissions for new system apps 2411 if (mPromoteSystemApps) { 2412 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2413 while (pkgSettingIter.hasNext()) { 2414 PackageSetting ps = pkgSettingIter.next(); 2415 if (isSystemApp(ps)) { 2416 mExistingSystemPackages.add(ps.name); 2417 } 2418 } 2419 } 2420 2421 // Collect vendor overlay packages. 2422 // (Do this before scanning any apps.) 2423 // For security and version matching reason, only consider 2424 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2425 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2426 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2427 | PackageParser.PARSE_IS_SYSTEM 2428 | PackageParser.PARSE_IS_SYSTEM_DIR 2429 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2430 2431 // Find base frameworks (resource packages without code). 2432 scanDirTracedLI(frameworkDir, mDefParseFlags 2433 | PackageParser.PARSE_IS_SYSTEM 2434 | PackageParser.PARSE_IS_SYSTEM_DIR 2435 | PackageParser.PARSE_IS_PRIVILEGED, 2436 scanFlags | SCAN_NO_DEX, 0); 2437 2438 // Collected privileged system packages. 2439 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2440 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2441 | PackageParser.PARSE_IS_SYSTEM 2442 | PackageParser.PARSE_IS_SYSTEM_DIR 2443 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2444 2445 // Collect ordinary system packages. 2446 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2447 scanDirTracedLI(systemAppDir, mDefParseFlags 2448 | PackageParser.PARSE_IS_SYSTEM 2449 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2450 2451 // Collected privileged vendor packages. 2452 final File privilegedVendorAppDir = new File(Environment.getVendorDirectory(), "priv-app"); 2453 scanDirLI(privilegedVendorAppDir, PackageParser.PARSE_IS_SYSTEM 2454 | PackageParser.PARSE_IS_SYSTEM_DIR 2455 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2456 2457 // Collect all vendor packages. 2458 File vendorAppDir = new File(Environment.getVendorDirectory(), "app"); 2459 try { 2460 vendorAppDir = vendorAppDir.getCanonicalFile(); 2461 } catch (IOException e) { 2462 // failed to look up canonical path, continue with original one 2463 } 2464 scanDirTracedLI(vendorAppDir, mDefParseFlags 2465 | PackageParser.PARSE_IS_SYSTEM 2466 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2467 2468 // Collect all OEM packages. 2469 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2470 scanDirTracedLI(oemAppDir, mDefParseFlags 2471 | PackageParser.PARSE_IS_SYSTEM 2472 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2473 2474 // Prune any system packages that no longer exist. 2475 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2476 if (!mOnlyCore) { 2477 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2478 while (psit.hasNext()) { 2479 PackageSetting ps = psit.next(); 2480 2481 /* 2482 * If this is not a system app, it can't be a 2483 * disable system app. 2484 */ 2485 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2486 continue; 2487 } 2488 2489 /* 2490 * If the package is scanned, it's not erased. 2491 */ 2492 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2493 if (scannedPkg != null) { 2494 /* 2495 * If the system app is both scanned and in the 2496 * disabled packages list, then it must have been 2497 * added via OTA. Remove it from the currently 2498 * scanned package so the previously user-installed 2499 * application can be scanned. 2500 */ 2501 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2502 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2503 + ps.name + "; removing system app. Last known codePath=" 2504 + ps.codePathString + ", installStatus=" + ps.installStatus 2505 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2506 + scannedPkg.mVersionCode); 2507 removePackageLI(scannedPkg, true); 2508 mExpectingBetter.put(ps.name, ps.codePath); 2509 } 2510 2511 continue; 2512 } 2513 2514 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2515 psit.remove(); 2516 logCriticalInfo(Log.WARN, "System package " + ps.name 2517 + " no longer exists; it's data will be wiped"); 2518 // Actual deletion of code and data will be handled by later 2519 // reconciliation step 2520 } else { 2521 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2522 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2523 possiblyDeletedUpdatedSystemApps.add(ps.name); 2524 } 2525 } 2526 } 2527 } 2528 2529 //look for any incomplete package installations 2530 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2531 for (int i = 0; i < deletePkgsList.size(); i++) { 2532 // Actual deletion of code and data will be handled by later 2533 // reconciliation step 2534 final String packageName = deletePkgsList.get(i).name; 2535 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2536 synchronized (mPackages) { 2537 mSettings.removePackageLPw(packageName); 2538 } 2539 } 2540 2541 //delete tmp files 2542 deleteTempPackageFiles(); 2543 2544 // Remove any shared userIDs that have no associated packages 2545 mSettings.pruneSharedUsersLPw(); 2546 2547 if (!mOnlyCore) { 2548 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2549 SystemClock.uptimeMillis()); 2550 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2551 2552 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2553 | PackageParser.PARSE_FORWARD_LOCK, 2554 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2555 2556 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2557 | PackageParser.PARSE_IS_EPHEMERAL, 2558 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2559 2560 /** 2561 * Remove disable package settings for any updated system 2562 * apps that were removed via an OTA. If they're not a 2563 * previously-updated app, remove them completely. 2564 * Otherwise, just revoke their system-level permissions. 2565 */ 2566 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2567 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2568 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2569 2570 String msg; 2571 if (deletedPkg == null) { 2572 msg = "Updated system package " + deletedAppName 2573 + " no longer exists; it's data will be wiped"; 2574 // Actual deletion of code and data will be handled by later 2575 // reconciliation step 2576 } else { 2577 msg = "Updated system app + " + deletedAppName 2578 + " no longer present; removing system privileges for " 2579 + deletedAppName; 2580 2581 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2582 2583 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2584 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2585 } 2586 logCriticalInfo(Log.WARN, msg); 2587 } 2588 2589 /** 2590 * Make sure all system apps that we expected to appear on 2591 * the userdata partition actually showed up. If they never 2592 * appeared, crawl back and revive the system version. 2593 */ 2594 for (int i = 0; i < mExpectingBetter.size(); i++) { 2595 final String packageName = mExpectingBetter.keyAt(i); 2596 if (!mPackages.containsKey(packageName)) { 2597 final File scanFile = mExpectingBetter.valueAt(i); 2598 2599 logCriticalInfo(Log.WARN, "Expected better " + packageName 2600 + " but never showed up; reverting to system"); 2601 2602 int reparseFlags = mDefParseFlags; 2603 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2604 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2605 | PackageParser.PARSE_IS_SYSTEM_DIR 2606 | PackageParser.PARSE_IS_PRIVILEGED; 2607 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2608 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2609 | PackageParser.PARSE_IS_SYSTEM_DIR; 2610 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2611 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2612 | PackageParser.PARSE_IS_SYSTEM_DIR; 2613 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2614 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2615 | PackageParser.PARSE_IS_SYSTEM_DIR; 2616 } else { 2617 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2618 continue; 2619 } 2620 2621 mSettings.enableSystemPackageLPw(packageName); 2622 2623 try { 2624 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2625 } catch (PackageManagerException e) { 2626 Slog.e(TAG, "Failed to parse original system package: " 2627 + e.getMessage()); 2628 } 2629 } 2630 } 2631 } 2632 mExpectingBetter.clear(); 2633 2634 // Resolve protected action filters. Only the setup wizard is allowed to 2635 // have a high priority filter for these actions. 2636 mSetupWizardPackage = getSetupWizardPackageName(); 2637 if (mProtectedFilters.size() > 0) { 2638 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2639 Slog.i(TAG, "No setup wizard;" 2640 + " All protected intents capped to priority 0"); 2641 } 2642 for (ActivityIntentInfo filter : mProtectedFilters) { 2643 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2644 if (DEBUG_FILTERS) { 2645 Slog.i(TAG, "Found setup wizard;" 2646 + " allow priority " + filter.getPriority() + ";" 2647 + " package: " + filter.activity.info.packageName 2648 + " activity: " + filter.activity.className 2649 + " priority: " + filter.getPriority()); 2650 } 2651 // skip setup wizard; allow it to keep the high priority filter 2652 continue; 2653 } 2654 Slog.w(TAG, "Protected action; cap priority to 0;" 2655 + " package: " + filter.activity.info.packageName 2656 + " activity: " + filter.activity.className 2657 + " origPrio: " + filter.getPriority()); 2658 filter.setPriority(0); 2659 } 2660 } 2661 mDeferProtectedFilters = false; 2662 mProtectedFilters.clear(); 2663 2664 // Now that we know all of the shared libraries, update all clients to have 2665 // the correct library paths. 2666 updateAllSharedLibrariesLPw(); 2667 2668 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2669 // NOTE: We ignore potential failures here during a system scan (like 2670 // the rest of the commands above) because there's precious little we 2671 // can do about it. A settings error is reported, though. 2672 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2673 false /* boot complete */); 2674 } 2675 2676 // Now that we know all the packages we are keeping, 2677 // read and update their last usage times. 2678 mPackageUsage.readLP(); 2679 2680 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2681 SystemClock.uptimeMillis()); 2682 Slog.i(TAG, "Time to scan packages: " 2683 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2684 + " seconds"); 2685 2686 // If the platform SDK has changed since the last time we booted, 2687 // we need to re-grant app permission to catch any new ones that 2688 // appear. This is really a hack, and means that apps can in some 2689 // cases get permissions that the user didn't initially explicitly 2690 // allow... it would be nice to have some better way to handle 2691 // this situation. 2692 int updateFlags = UPDATE_PERMISSIONS_ALL; 2693 if (ver.sdkVersion != mSdkVersion) { 2694 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2695 + mSdkVersion + "; regranting permissions for internal storage"); 2696 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2697 } 2698 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2699 ver.sdkVersion = mSdkVersion; 2700 2701 // If this is the first boot or an update from pre-M, and it is a normal 2702 // boot, then we need to initialize the default preferred apps across 2703 // all defined users. 2704 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2705 for (UserInfo user : sUserManager.getUsers(true)) { 2706 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2707 applyFactoryDefaultBrowserLPw(user.id); 2708 primeDomainVerificationsLPw(user.id); 2709 } 2710 } 2711 2712 // Prepare storage for system user really early during boot, 2713 // since core system apps like SettingsProvider and SystemUI 2714 // can't wait for user to start 2715 final int storageFlags; 2716 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2717 storageFlags = StorageManager.FLAG_STORAGE_DE; 2718 } else { 2719 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2720 } 2721 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2722 storageFlags); 2723 2724 // If this is first boot after an OTA, and a normal boot, then 2725 // we need to clear code cache directories. 2726 // Note that we do *not* clear the application profiles. These remain valid 2727 // across OTAs and are used to drive profile verification (post OTA) and 2728 // profile compilation (without waiting to collect a fresh set of profiles). 2729 if (mIsUpgrade && !onlyCore) { 2730 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2731 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2732 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2733 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2734 // No apps are running this early, so no need to freeze 2735 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2736 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2737 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2738 } 2739 } 2740 ver.fingerprint = Build.FINGERPRINT; 2741 } 2742 2743 checkDefaultBrowser(); 2744 2745 // clear only after permissions and other defaults have been updated 2746 mExistingSystemPackages.clear(); 2747 mPromoteSystemApps = false; 2748 2749 // All the changes are done during package scanning. 2750 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2751 2752 // can downgrade to reader 2753 mSettings.writeLPr(); 2754 2755 // Perform dexopt on all apps that mark themselves as coreApps. We do this pretty 2756 // early on (before the package manager declares itself as early) because other 2757 // components in the system server might ask for package contexts for these apps. 2758 // 2759 // Note that "onlyCore" in this context means the system is encrypted or encrypting 2760 // (i.e, that the data partition is unavailable). 2761 if ((isFirstBoot() || isUpgrade() || VMRuntime.didPruneDalvikCache()) && !onlyCore) { 2762 long start = System.nanoTime(); 2763 List<PackageParser.Package> coreApps = new ArrayList<>(); 2764 for (PackageParser.Package pkg : mPackages.values()) { 2765 if (pkg.coreApp) { 2766 coreApps.add(pkg); 2767 } 2768 } 2769 2770 int[] stats = performDexOpt(coreApps, false, 2771 getCompilerFilterForReason(REASON_CORE_APP)); 2772 2773 final int elapsedTimeSeconds = 2774 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - start); 2775 MetricsLogger.histogram(mContext, "opt_coreapps_time_s", elapsedTimeSeconds); 2776 2777 if (DEBUG_DEXOPT) { 2778 Slog.i(TAG, "Dex-opt core apps took : " + elapsedTimeSeconds + " seconds (" + 2779 stats[0] + ", " + stats[1] + ", " + stats[2] + ")"); 2780 } 2781 2782 2783 // TODO: Should we log these stats to tron too ? 2784 // MetricsLogger.histogram(mContext, "opt_coreapps_num_dexopted", stats[0]); 2785 // MetricsLogger.histogram(mContext, "opt_coreapps_num_skipped", stats[1]); 2786 // MetricsLogger.histogram(mContext, "opt_coreapps_num_failed", stats[2]); 2787 // MetricsLogger.histogram(mContext, "opt_coreapps_num_total", coreApps.size()); 2788 } 2789 2790 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2791 SystemClock.uptimeMillis()); 2792 2793 if (!mOnlyCore) { 2794 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2795 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2796 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2797 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2798 mIntentFilterVerifierComponent); 2799 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2800 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2801 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2802 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2803 } else { 2804 mRequiredVerifierPackage = null; 2805 mRequiredInstallerPackage = null; 2806 mIntentFilterVerifierComponent = null; 2807 mIntentFilterVerifier = null; 2808 mServicesSystemSharedLibraryPackageName = null; 2809 mSharedSystemSharedLibraryPackageName = null; 2810 } 2811 2812 mInstallerService = new PackageInstallerService(context, this); 2813 2814 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2815 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2816 // both the installer and resolver must be present to enable ephemeral 2817 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2818 if (DEBUG_EPHEMERAL) { 2819 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2820 + " installer:" + ephemeralInstallerComponent); 2821 } 2822 mEphemeralResolverComponent = ephemeralResolverComponent; 2823 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2824 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2825 mEphemeralResolverConnection = 2826 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2827 } else { 2828 if (DEBUG_EPHEMERAL) { 2829 final String missingComponent = 2830 (ephemeralResolverComponent == null) 2831 ? (ephemeralInstallerComponent == null) 2832 ? "resolver and installer" 2833 : "resolver" 2834 : "installer"; 2835 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2836 } 2837 mEphemeralResolverComponent = null; 2838 mEphemeralInstallerComponent = null; 2839 mEphemeralResolverConnection = null; 2840 } 2841 2842 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2843 } // synchronized (mPackages) 2844 } // synchronized (mInstallLock) 2845 2846 // Now after opening every single application zip, make sure they 2847 // are all flushed. Not really needed, but keeps things nice and 2848 // tidy. 2849 Runtime.getRuntime().gc(); 2850 2851 // The initial scanning above does many calls into installd while 2852 // holding the mPackages lock, but we're mostly interested in yelling 2853 // once we have a booted system. 2854 mInstaller.setWarnIfHeld(mPackages); 2855 2856 // Expose private service for system components to use. 2857 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2858 } 2859 2860 @Override 2861 public boolean isFirstBoot() { 2862 return !mRestoredSettings; 2863 } 2864 2865 @Override 2866 public boolean isOnlyCoreApps() { 2867 return mOnlyCore; 2868 } 2869 2870 @Override 2871 public boolean isUpgrade() { 2872 return mIsUpgrade; 2873 } 2874 2875 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2876 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2877 2878 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2879 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2880 UserHandle.USER_SYSTEM); 2881 if (matches.size() == 1) { 2882 return matches.get(0).getComponentInfo().packageName; 2883 } else { 2884 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2885 return null; 2886 } 2887 } 2888 2889 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2890 synchronized (mPackages) { 2891 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2892 if (libraryEntry == null) { 2893 throw new IllegalStateException("Missing required shared library:" + libraryName); 2894 } 2895 return libraryEntry.apk; 2896 } 2897 } 2898 2899 private @NonNull String getRequiredInstallerLPr() { 2900 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2901 intent.addCategory(Intent.CATEGORY_DEFAULT); 2902 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2903 2904 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2905 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2906 UserHandle.USER_SYSTEM); 2907 if (matches.size() == 1) { 2908 ResolveInfo resolveInfo = matches.get(0); 2909 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2910 throw new RuntimeException("The installer must be a privileged app"); 2911 } 2912 return matches.get(0).getComponentInfo().packageName; 2913 } else { 2914 throw new RuntimeException("There must be exactly one installer; found " + matches); 2915 } 2916 } 2917 2918 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2919 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2920 2921 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2922 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2923 UserHandle.USER_SYSTEM); 2924 ResolveInfo best = null; 2925 final int N = matches.size(); 2926 for (int i = 0; i < N; i++) { 2927 final ResolveInfo cur = matches.get(i); 2928 final String packageName = cur.getComponentInfo().packageName; 2929 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2930 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2931 continue; 2932 } 2933 2934 if (best == null || cur.priority > best.priority) { 2935 best = cur; 2936 } 2937 } 2938 2939 if (best != null) { 2940 return best.getComponentInfo().getComponentName(); 2941 } else { 2942 throw new RuntimeException("There must be at least one intent filter verifier"); 2943 } 2944 } 2945 2946 private @Nullable ComponentName getEphemeralResolverLPr() { 2947 final String[] packageArray = 2948 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2949 if (packageArray.length == 0) { 2950 if (DEBUG_EPHEMERAL) { 2951 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2952 } 2953 return null; 2954 } 2955 2956 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2957 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2958 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2959 UserHandle.USER_SYSTEM); 2960 2961 final int N = resolvers.size(); 2962 if (N == 0) { 2963 if (DEBUG_EPHEMERAL) { 2964 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2965 } 2966 return null; 2967 } 2968 2969 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2970 for (int i = 0; i < N; i++) { 2971 final ResolveInfo info = resolvers.get(i); 2972 2973 if (info.serviceInfo == null) { 2974 continue; 2975 } 2976 2977 final String packageName = info.serviceInfo.packageName; 2978 if (!possiblePackages.contains(packageName)) { 2979 if (DEBUG_EPHEMERAL) { 2980 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2981 + " pkg: " + packageName + ", info:" + info); 2982 } 2983 continue; 2984 } 2985 2986 if (DEBUG_EPHEMERAL) { 2987 Slog.v(TAG, "Ephemeral resolver found;" 2988 + " pkg: " + packageName + ", info:" + info); 2989 } 2990 return new ComponentName(packageName, info.serviceInfo.name); 2991 } 2992 if (DEBUG_EPHEMERAL) { 2993 Slog.v(TAG, "Ephemeral resolver NOT found"); 2994 } 2995 return null; 2996 } 2997 2998 private @Nullable ComponentName getEphemeralInstallerLPr() { 2999 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3000 intent.addCategory(Intent.CATEGORY_DEFAULT); 3001 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3002 3003 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3004 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3005 UserHandle.USER_SYSTEM); 3006 if (matches.size() == 0) { 3007 return null; 3008 } else if (matches.size() == 1) { 3009 return matches.get(0).getComponentInfo().getComponentName(); 3010 } else { 3011 throw new RuntimeException( 3012 "There must be at most one ephemeral installer; found " + matches); 3013 } 3014 } 3015 3016 private void primeDomainVerificationsLPw(int userId) { 3017 if (DEBUG_DOMAIN_VERIFICATION) { 3018 Slog.d(TAG, "Priming domain verifications in user " + userId); 3019 } 3020 3021 SystemConfig systemConfig = SystemConfig.getInstance(); 3022 ArraySet<String> packages = systemConfig.getLinkedApps(); 3023 ArraySet<String> domains = new ArraySet<String>(); 3024 3025 for (String packageName : packages) { 3026 PackageParser.Package pkg = mPackages.get(packageName); 3027 if (pkg != null) { 3028 if (!pkg.isSystemApp()) { 3029 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3030 continue; 3031 } 3032 3033 domains.clear(); 3034 for (PackageParser.Activity a : pkg.activities) { 3035 for (ActivityIntentInfo filter : a.intents) { 3036 if (hasValidDomains(filter)) { 3037 domains.addAll(filter.getHostsList()); 3038 } 3039 } 3040 } 3041 3042 if (domains.size() > 0) { 3043 if (DEBUG_DOMAIN_VERIFICATION) { 3044 Slog.v(TAG, " + " + packageName); 3045 } 3046 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3047 // state w.r.t. the formal app-linkage "no verification attempted" state; 3048 // and then 'always' in the per-user state actually used for intent resolution. 3049 final IntentFilterVerificationInfo ivi; 3050 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 3051 new ArrayList<String>(domains)); 3052 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3053 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3054 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3055 } else { 3056 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3057 + "' does not handle web links"); 3058 } 3059 } else { 3060 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3061 } 3062 } 3063 3064 scheduleWritePackageRestrictionsLocked(userId); 3065 scheduleWriteSettingsLocked(); 3066 } 3067 3068 private void applyFactoryDefaultBrowserLPw(int userId) { 3069 // The default browser app's package name is stored in a string resource, 3070 // with a product-specific overlay used for vendor customization. 3071 String browserPkg = mContext.getResources().getString( 3072 com.android.internal.R.string.default_browser); 3073 if (!TextUtils.isEmpty(browserPkg)) { 3074 // non-empty string => required to be a known package 3075 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3076 if (ps == null) { 3077 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3078 browserPkg = null; 3079 } else { 3080 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3081 } 3082 } 3083 3084 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3085 // default. If there's more than one, just leave everything alone. 3086 if (browserPkg == null) { 3087 calculateDefaultBrowserLPw(userId); 3088 } 3089 } 3090 3091 private void calculateDefaultBrowserLPw(int userId) { 3092 List<String> allBrowsers = resolveAllBrowserApps(userId); 3093 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3094 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3095 } 3096 3097 private List<String> resolveAllBrowserApps(int userId) { 3098 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3099 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3100 PackageManager.MATCH_ALL, userId); 3101 3102 final int count = list.size(); 3103 List<String> result = new ArrayList<String>(count); 3104 for (int i=0; i<count; i++) { 3105 ResolveInfo info = list.get(i); 3106 if (info.activityInfo == null 3107 || !info.handleAllWebDataURI 3108 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3109 || result.contains(info.activityInfo.packageName)) { 3110 continue; 3111 } 3112 result.add(info.activityInfo.packageName); 3113 } 3114 3115 return result; 3116 } 3117 3118 private boolean packageIsBrowser(String packageName, int userId) { 3119 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3120 PackageManager.MATCH_ALL, userId); 3121 final int N = list.size(); 3122 for (int i = 0; i < N; i++) { 3123 ResolveInfo info = list.get(i); 3124 if (packageName.equals(info.activityInfo.packageName)) { 3125 return true; 3126 } 3127 } 3128 return false; 3129 } 3130 3131 private void checkDefaultBrowser() { 3132 final int myUserId = UserHandle.myUserId(); 3133 final String packageName = getDefaultBrowserPackageName(myUserId); 3134 if (packageName != null) { 3135 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3136 if (info == null) { 3137 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3138 synchronized (mPackages) { 3139 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3140 } 3141 } 3142 } 3143 } 3144 3145 @Override 3146 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3147 throws RemoteException { 3148 try { 3149 return super.onTransact(code, data, reply, flags); 3150 } catch (RuntimeException e) { 3151 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3152 Slog.wtf(TAG, "Package Manager Crash", e); 3153 } 3154 throw e; 3155 } 3156 } 3157 3158 static int[] appendInts(int[] cur, int[] add) { 3159 if (add == null) return cur; 3160 if (cur == null) return add; 3161 final int N = add.length; 3162 for (int i=0; i<N; i++) { 3163 cur = appendInt(cur, add[i]); 3164 } 3165 return cur; 3166 } 3167 3168 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3169 if (!sUserManager.exists(userId)) return null; 3170 if (ps == null) { 3171 return null; 3172 } 3173 final PackageParser.Package p = ps.pkg; 3174 if (p == null) { 3175 return null; 3176 } 3177 3178 final PermissionsState permissionsState = ps.getPermissionsState(); 3179 3180 final int[] gids = permissionsState.computeGids(userId); 3181 final Set<String> permissions = permissionsState.getPermissions(userId); 3182 final PackageUserState state = ps.readUserState(userId); 3183 3184 return PackageParser.generatePackageInfo(p, gids, flags, 3185 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3186 } 3187 3188 @Override 3189 public void checkPackageStartable(String packageName, int userId) { 3190 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3191 3192 synchronized (mPackages) { 3193 final PackageSetting ps = mSettings.mPackages.get(packageName); 3194 if (ps == null) { 3195 throw new SecurityException("Package " + packageName + " was not found!"); 3196 } 3197 3198 if (!ps.getInstalled(userId)) { 3199 throw new SecurityException( 3200 "Package " + packageName + " was not installed for user " + userId + "!"); 3201 } 3202 3203 if (mSafeMode && !ps.isSystem()) { 3204 throw new SecurityException("Package " + packageName + " not a system app!"); 3205 } 3206 3207 if (mFrozenPackages.contains(packageName)) { 3208 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3209 } 3210 3211 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3212 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3213 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3214 } 3215 } 3216 } 3217 3218 @Override 3219 public boolean isPackageAvailable(String packageName, int userId) { 3220 if (!sUserManager.exists(userId)) return false; 3221 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3222 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3223 synchronized (mPackages) { 3224 PackageParser.Package p = mPackages.get(packageName); 3225 if (p != null) { 3226 final PackageSetting ps = (PackageSetting) p.mExtras; 3227 if (ps != null) { 3228 final PackageUserState state = ps.readUserState(userId); 3229 if (state != null) { 3230 return PackageParser.isAvailable(state); 3231 } 3232 } 3233 } 3234 } 3235 return false; 3236 } 3237 3238 @Override 3239 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3240 if (!sUserManager.exists(userId)) return null; 3241 flags = updateFlagsForPackage(flags, userId, packageName); 3242 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3243 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3244 // reader 3245 synchronized (mPackages) { 3246 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3247 PackageParser.Package p = null; 3248 if (matchFactoryOnly) { 3249 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3250 if (ps != null) { 3251 return generatePackageInfo(ps, flags, userId); 3252 } 3253 } 3254 if (p == null) { 3255 p = mPackages.get(packageName); 3256 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3257 return null; 3258 } 3259 } 3260 if (DEBUG_PACKAGE_INFO) 3261 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3262 if (p != null) { 3263 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3264 } 3265 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3266 final PackageSetting ps = mSettings.mPackages.get(packageName); 3267 return generatePackageInfo(ps, flags, userId); 3268 } 3269 } 3270 return null; 3271 } 3272 3273 @Override 3274 public String[] currentToCanonicalPackageNames(String[] names) { 3275 String[] out = new String[names.length]; 3276 // reader 3277 synchronized (mPackages) { 3278 for (int i=names.length-1; i>=0; i--) { 3279 PackageSetting ps = mSettings.mPackages.get(names[i]); 3280 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3281 } 3282 } 3283 return out; 3284 } 3285 3286 @Override 3287 public String[] canonicalToCurrentPackageNames(String[] names) { 3288 String[] out = new String[names.length]; 3289 // reader 3290 synchronized (mPackages) { 3291 for (int i=names.length-1; i>=0; i--) { 3292 String cur = mSettings.mRenamedPackages.get(names[i]); 3293 out[i] = cur != null ? cur : names[i]; 3294 } 3295 } 3296 return out; 3297 } 3298 3299 @Override 3300 public int getPackageUid(String packageName, int flags, int userId) { 3301 if (!sUserManager.exists(userId)) return -1; 3302 flags = updateFlagsForPackage(flags, userId, packageName); 3303 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3304 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3305 3306 // reader 3307 synchronized (mPackages) { 3308 final PackageParser.Package p = mPackages.get(packageName); 3309 if (p != null && p.isMatch(flags)) { 3310 return UserHandle.getUid(userId, p.applicationInfo.uid); 3311 } 3312 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3313 final PackageSetting ps = mSettings.mPackages.get(packageName); 3314 if (ps != null && ps.isMatch(flags)) { 3315 return UserHandle.getUid(userId, ps.appId); 3316 } 3317 } 3318 } 3319 3320 return -1; 3321 } 3322 3323 @Override 3324 public int[] getPackageGids(String packageName, int flags, int userId) { 3325 if (!sUserManager.exists(userId)) return null; 3326 flags = updateFlagsForPackage(flags, userId, packageName); 3327 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3328 false /* requireFullPermission */, false /* checkShell */, 3329 "getPackageGids"); 3330 3331 // reader 3332 synchronized (mPackages) { 3333 final PackageParser.Package p = mPackages.get(packageName); 3334 if (p != null && p.isMatch(flags)) { 3335 PackageSetting ps = (PackageSetting) p.mExtras; 3336 return ps.getPermissionsState().computeGids(userId); 3337 } 3338 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3339 final PackageSetting ps = mSettings.mPackages.get(packageName); 3340 if (ps != null && ps.isMatch(flags)) { 3341 return ps.getPermissionsState().computeGids(userId); 3342 } 3343 } 3344 } 3345 3346 return null; 3347 } 3348 3349 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3350 if (bp.perm != null) { 3351 return PackageParser.generatePermissionInfo(bp.perm, flags); 3352 } 3353 PermissionInfo pi = new PermissionInfo(); 3354 pi.name = bp.name; 3355 pi.packageName = bp.sourcePackage; 3356 pi.nonLocalizedLabel = bp.name; 3357 pi.protectionLevel = bp.protectionLevel; 3358 return pi; 3359 } 3360 3361 @Override 3362 public PermissionInfo getPermissionInfo(String name, int flags) { 3363 // reader 3364 synchronized (mPackages) { 3365 final BasePermission p = mSettings.mPermissions.get(name); 3366 if (p != null) { 3367 return generatePermissionInfo(p, flags); 3368 } 3369 return null; 3370 } 3371 } 3372 3373 @Override 3374 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3375 int flags) { 3376 // reader 3377 synchronized (mPackages) { 3378 if (group != null && !mPermissionGroups.containsKey(group)) { 3379 // This is thrown as NameNotFoundException 3380 return null; 3381 } 3382 3383 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3384 for (BasePermission p : mSettings.mPermissions.values()) { 3385 if (group == null) { 3386 if (p.perm == null || p.perm.info.group == null) { 3387 out.add(generatePermissionInfo(p, flags)); 3388 } 3389 } else { 3390 if (p.perm != null && group.equals(p.perm.info.group)) { 3391 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3392 } 3393 } 3394 } 3395 return new ParceledListSlice<>(out); 3396 } 3397 } 3398 3399 @Override 3400 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3401 // reader 3402 synchronized (mPackages) { 3403 return PackageParser.generatePermissionGroupInfo( 3404 mPermissionGroups.get(name), flags); 3405 } 3406 } 3407 3408 @Override 3409 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3410 // reader 3411 synchronized (mPackages) { 3412 final int N = mPermissionGroups.size(); 3413 ArrayList<PermissionGroupInfo> out 3414 = new ArrayList<PermissionGroupInfo>(N); 3415 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3416 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3417 } 3418 return new ParceledListSlice<>(out); 3419 } 3420 } 3421 3422 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3423 int userId) { 3424 if (!sUserManager.exists(userId)) return null; 3425 PackageSetting ps = mSettings.mPackages.get(packageName); 3426 if (ps != null) { 3427 if (ps.pkg == null) { 3428 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3429 if (pInfo != null) { 3430 return pInfo.applicationInfo; 3431 } 3432 return null; 3433 } 3434 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3435 ps.readUserState(userId), userId); 3436 } 3437 return null; 3438 } 3439 3440 @Override 3441 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3442 if (!sUserManager.exists(userId)) return null; 3443 flags = updateFlagsForApplication(flags, userId, packageName); 3444 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3445 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3446 // writer 3447 synchronized (mPackages) { 3448 PackageParser.Package p = mPackages.get(packageName); 3449 if (DEBUG_PACKAGE_INFO) Log.v( 3450 TAG, "getApplicationInfo " + packageName 3451 + ": " + p); 3452 if (p != null) { 3453 PackageSetting ps = mSettings.mPackages.get(packageName); 3454 if (ps == null) return null; 3455 // Note: isEnabledLP() does not apply here - always return info 3456 return PackageParser.generateApplicationInfo( 3457 p, flags, ps.readUserState(userId), userId); 3458 } 3459 if ("android".equals(packageName)||"system".equals(packageName)) { 3460 return mAndroidApplication; 3461 } 3462 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3463 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3464 } 3465 } 3466 return null; 3467 } 3468 3469 @Override 3470 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3471 final IPackageDataObserver observer) { 3472 mContext.enforceCallingOrSelfPermission( 3473 android.Manifest.permission.CLEAR_APP_CACHE, null); 3474 // Queue up an async operation since clearing cache may take a little while. 3475 mHandler.post(new Runnable() { 3476 public void run() { 3477 mHandler.removeCallbacks(this); 3478 boolean success = true; 3479 synchronized (mInstallLock) { 3480 try { 3481 mInstaller.freeCache(volumeUuid, freeStorageSize); 3482 } catch (InstallerException e) { 3483 Slog.w(TAG, "Couldn't clear application caches: " + e); 3484 success = false; 3485 } 3486 } 3487 if (observer != null) { 3488 try { 3489 observer.onRemoveCompleted(null, success); 3490 } catch (RemoteException e) { 3491 Slog.w(TAG, "RemoveException when invoking call back"); 3492 } 3493 } 3494 } 3495 }); 3496 } 3497 3498 @Override 3499 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3500 final IntentSender pi) { 3501 mContext.enforceCallingOrSelfPermission( 3502 android.Manifest.permission.CLEAR_APP_CACHE, null); 3503 // Queue up an async operation since clearing cache may take a little while. 3504 mHandler.post(new Runnable() { 3505 public void run() { 3506 mHandler.removeCallbacks(this); 3507 boolean success = true; 3508 synchronized (mInstallLock) { 3509 try { 3510 mInstaller.freeCache(volumeUuid, freeStorageSize); 3511 } catch (InstallerException e) { 3512 Slog.w(TAG, "Couldn't clear application caches: " + e); 3513 success = false; 3514 } 3515 } 3516 if(pi != null) { 3517 try { 3518 // Callback via pending intent 3519 int code = success ? 1 : 0; 3520 pi.sendIntent(null, code, null, 3521 null, null); 3522 } catch (SendIntentException e1) { 3523 Slog.i(TAG, "Failed to send pending intent"); 3524 } 3525 } 3526 } 3527 }); 3528 } 3529 3530 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3531 synchronized (mInstallLock) { 3532 try { 3533 mInstaller.freeCache(volumeUuid, freeStorageSize); 3534 } catch (InstallerException e) { 3535 throw new IOException("Failed to free enough space", e); 3536 } 3537 } 3538 } 3539 3540 /** 3541 * Update given flags based on encryption status of current user. 3542 */ 3543 private int updateFlags(int flags, int userId) { 3544 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3545 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3546 // Caller expressed an explicit opinion about what encryption 3547 // aware/unaware components they want to see, so fall through and 3548 // give them what they want 3549 } else { 3550 // Caller expressed no opinion, so match based on user state 3551 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3552 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3553 } else { 3554 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3555 } 3556 } 3557 return flags; 3558 } 3559 3560 private UserManagerInternal getUserManagerInternal() { 3561 if (mUserManagerInternal == null) { 3562 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3563 } 3564 return mUserManagerInternal; 3565 } 3566 3567 /** 3568 * Update given flags when being used to request {@link PackageInfo}. 3569 */ 3570 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3571 boolean triaged = true; 3572 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3573 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3574 // Caller is asking for component details, so they'd better be 3575 // asking for specific encryption matching behavior, or be triaged 3576 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3577 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3578 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3579 triaged = false; 3580 } 3581 } 3582 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3583 | PackageManager.MATCH_SYSTEM_ONLY 3584 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3585 triaged = false; 3586 } 3587 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3588 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3589 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3590 } 3591 return updateFlags(flags, userId); 3592 } 3593 3594 /** 3595 * Update given flags when being used to request {@link ApplicationInfo}. 3596 */ 3597 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3598 return updateFlagsForPackage(flags, userId, cookie); 3599 } 3600 3601 /** 3602 * Update given flags when being used to request {@link ComponentInfo}. 3603 */ 3604 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3605 if (cookie instanceof Intent) { 3606 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3607 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3608 } 3609 } 3610 3611 boolean triaged = true; 3612 // Caller is asking for component details, so they'd better be 3613 // asking for specific encryption matching behavior, or be triaged 3614 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3615 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3616 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3617 triaged = false; 3618 } 3619 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3620 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3621 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3622 } 3623 3624 return updateFlags(flags, userId); 3625 } 3626 3627 /** 3628 * Update given flags when being used to request {@link ResolveInfo}. 3629 */ 3630 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3631 // Safe mode means we shouldn't match any third-party components 3632 if (mSafeMode) { 3633 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3634 } 3635 3636 return updateFlagsForComponent(flags, userId, cookie); 3637 } 3638 3639 @Override 3640 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3641 if (!sUserManager.exists(userId)) return null; 3642 flags = updateFlagsForComponent(flags, userId, component); 3643 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3644 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3645 synchronized (mPackages) { 3646 PackageParser.Activity a = mActivities.mActivities.get(component); 3647 3648 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3649 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3650 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3651 if (ps == null) return null; 3652 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3653 userId); 3654 } 3655 if (mResolveComponentName.equals(component)) { 3656 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3657 new PackageUserState(), userId); 3658 } 3659 } 3660 return null; 3661 } 3662 3663 @Override 3664 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3665 String resolvedType) { 3666 synchronized (mPackages) { 3667 if (component.equals(mResolveComponentName)) { 3668 // The resolver supports EVERYTHING! 3669 return true; 3670 } 3671 PackageParser.Activity a = mActivities.mActivities.get(component); 3672 if (a == null) { 3673 return false; 3674 } 3675 for (int i=0; i<a.intents.size(); i++) { 3676 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3677 intent.getData(), intent.getCategories(), TAG) >= 0) { 3678 return true; 3679 } 3680 } 3681 return false; 3682 } 3683 } 3684 3685 @Override 3686 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3687 if (!sUserManager.exists(userId)) return null; 3688 flags = updateFlagsForComponent(flags, userId, component); 3689 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3690 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3691 synchronized (mPackages) { 3692 PackageParser.Activity a = mReceivers.mActivities.get(component); 3693 if (DEBUG_PACKAGE_INFO) Log.v( 3694 TAG, "getReceiverInfo " + component + ": " + a); 3695 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3696 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3697 if (ps == null) return null; 3698 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3699 userId); 3700 } 3701 } 3702 return null; 3703 } 3704 3705 @Override 3706 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3707 if (!sUserManager.exists(userId)) return null; 3708 flags = updateFlagsForComponent(flags, userId, component); 3709 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3710 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3711 synchronized (mPackages) { 3712 PackageParser.Service s = mServices.mServices.get(component); 3713 if (DEBUG_PACKAGE_INFO) Log.v( 3714 TAG, "getServiceInfo " + component + ": " + s); 3715 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3716 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3717 if (ps == null) return null; 3718 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3719 userId); 3720 } 3721 } 3722 return null; 3723 } 3724 3725 @Override 3726 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3727 if (!sUserManager.exists(userId)) return null; 3728 flags = updateFlagsForComponent(flags, userId, component); 3729 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3730 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3731 synchronized (mPackages) { 3732 PackageParser.Provider p = mProviders.mProviders.get(component); 3733 if (DEBUG_PACKAGE_INFO) Log.v( 3734 TAG, "getProviderInfo " + component + ": " + p); 3735 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3736 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3737 if (ps == null) return null; 3738 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3739 userId); 3740 } 3741 } 3742 return null; 3743 } 3744 3745 @Override 3746 public String[] getSystemSharedLibraryNames() { 3747 Set<String> libSet; 3748 synchronized (mPackages) { 3749 libSet = mSharedLibraries.keySet(); 3750 int size = libSet.size(); 3751 if (size > 0) { 3752 String[] libs = new String[size]; 3753 libSet.toArray(libs); 3754 return libs; 3755 } 3756 } 3757 return null; 3758 } 3759 3760 @Override 3761 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3762 synchronized (mPackages) { 3763 return mServicesSystemSharedLibraryPackageName; 3764 } 3765 } 3766 3767 @Override 3768 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3769 synchronized (mPackages) { 3770 return mSharedSystemSharedLibraryPackageName; 3771 } 3772 } 3773 3774 @Override 3775 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3776 synchronized (mPackages) { 3777 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3778 3779 final FeatureInfo fi = new FeatureInfo(); 3780 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3781 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3782 res.add(fi); 3783 3784 return new ParceledListSlice<>(res); 3785 } 3786 } 3787 3788 @Override 3789 public boolean hasSystemFeature(String name, int version) { 3790 synchronized (mPackages) { 3791 final FeatureInfo feat = mAvailableFeatures.get(name); 3792 if (feat == null) { 3793 return false; 3794 } else { 3795 return feat.version >= version; 3796 } 3797 } 3798 } 3799 3800 @Override 3801 public int checkPermission(String permName, String pkgName, int userId) { 3802 if (!sUserManager.exists(userId)) { 3803 return PackageManager.PERMISSION_DENIED; 3804 } 3805 3806 synchronized (mPackages) { 3807 final PackageParser.Package p = mPackages.get(pkgName); 3808 if (p != null && p.mExtras != null) { 3809 final PackageSetting ps = (PackageSetting) p.mExtras; 3810 final PermissionsState permissionsState = ps.getPermissionsState(); 3811 if (permissionsState.hasPermission(permName, userId)) { 3812 return PackageManager.PERMISSION_GRANTED; 3813 } 3814 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3815 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3816 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3817 return PackageManager.PERMISSION_GRANTED; 3818 } 3819 } 3820 } 3821 3822 return PackageManager.PERMISSION_DENIED; 3823 } 3824 3825 @Override 3826 public int checkUidPermission(String permName, int uid) { 3827 final int userId = UserHandle.getUserId(uid); 3828 3829 if (!sUserManager.exists(userId)) { 3830 return PackageManager.PERMISSION_DENIED; 3831 } 3832 3833 synchronized (mPackages) { 3834 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3835 if (obj != null) { 3836 final SettingBase ps = (SettingBase) obj; 3837 final PermissionsState permissionsState = ps.getPermissionsState(); 3838 if (permissionsState.hasPermission(permName, userId)) { 3839 return PackageManager.PERMISSION_GRANTED; 3840 } 3841 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3842 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3843 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3844 return PackageManager.PERMISSION_GRANTED; 3845 } 3846 } else { 3847 ArraySet<String> perms = mSystemPermissions.get(uid); 3848 if (perms != null) { 3849 if (perms.contains(permName)) { 3850 return PackageManager.PERMISSION_GRANTED; 3851 } 3852 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3853 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3854 return PackageManager.PERMISSION_GRANTED; 3855 } 3856 } 3857 } 3858 } 3859 3860 return PackageManager.PERMISSION_DENIED; 3861 } 3862 3863 @Override 3864 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3865 if (UserHandle.getCallingUserId() != userId) { 3866 mContext.enforceCallingPermission( 3867 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3868 "isPermissionRevokedByPolicy for user " + userId); 3869 } 3870 3871 if (checkPermission(permission, packageName, userId) 3872 == PackageManager.PERMISSION_GRANTED) { 3873 return false; 3874 } 3875 3876 final long identity = Binder.clearCallingIdentity(); 3877 try { 3878 final int flags = getPermissionFlags(permission, packageName, userId); 3879 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3880 } finally { 3881 Binder.restoreCallingIdentity(identity); 3882 } 3883 } 3884 3885 @Override 3886 public String getPermissionControllerPackageName() { 3887 synchronized (mPackages) { 3888 return mRequiredInstallerPackage; 3889 } 3890 } 3891 3892 /** 3893 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3894 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3895 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3896 * @param message the message to log on security exception 3897 */ 3898 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3899 boolean checkShell, String message) { 3900 if (userId < 0) { 3901 throw new IllegalArgumentException("Invalid userId " + userId); 3902 } 3903 if (checkShell) { 3904 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3905 } 3906 if (userId == UserHandle.getUserId(callingUid)) return; 3907 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3908 if (requireFullPermission) { 3909 mContext.enforceCallingOrSelfPermission( 3910 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3911 } else { 3912 try { 3913 mContext.enforceCallingOrSelfPermission( 3914 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3915 } catch (SecurityException se) { 3916 mContext.enforceCallingOrSelfPermission( 3917 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3918 } 3919 } 3920 } 3921 } 3922 3923 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3924 if (callingUid == Process.SHELL_UID) { 3925 if (userHandle >= 0 3926 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3927 throw new SecurityException("Shell does not have permission to access user " 3928 + userHandle); 3929 } else if (userHandle < 0) { 3930 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3931 + Debug.getCallers(3)); 3932 } 3933 } 3934 } 3935 3936 private BasePermission findPermissionTreeLP(String permName) { 3937 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3938 if (permName.startsWith(bp.name) && 3939 permName.length() > bp.name.length() && 3940 permName.charAt(bp.name.length()) == '.') { 3941 return bp; 3942 } 3943 } 3944 return null; 3945 } 3946 3947 private BasePermission checkPermissionTreeLP(String permName) { 3948 if (permName != null) { 3949 BasePermission bp = findPermissionTreeLP(permName); 3950 if (bp != null) { 3951 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3952 return bp; 3953 } 3954 throw new SecurityException("Calling uid " 3955 + Binder.getCallingUid() 3956 + " is not allowed to add to permission tree " 3957 + bp.name + " owned by uid " + bp.uid); 3958 } 3959 } 3960 throw new SecurityException("No permission tree found for " + permName); 3961 } 3962 3963 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3964 if (s1 == null) { 3965 return s2 == null; 3966 } 3967 if (s2 == null) { 3968 return false; 3969 } 3970 if (s1.getClass() != s2.getClass()) { 3971 return false; 3972 } 3973 return s1.equals(s2); 3974 } 3975 3976 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3977 if (pi1.icon != pi2.icon) return false; 3978 if (pi1.logo != pi2.logo) return false; 3979 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3980 if (!compareStrings(pi1.name, pi2.name)) return false; 3981 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3982 // We'll take care of setting this one. 3983 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3984 // These are not currently stored in settings. 3985 //if (!compareStrings(pi1.group, pi2.group)) return false; 3986 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3987 //if (pi1.labelRes != pi2.labelRes) return false; 3988 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3989 return true; 3990 } 3991 3992 int permissionInfoFootprint(PermissionInfo info) { 3993 int size = info.name.length(); 3994 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3995 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3996 return size; 3997 } 3998 3999 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4000 int size = 0; 4001 for (BasePermission perm : mSettings.mPermissions.values()) { 4002 if (perm.uid == tree.uid) { 4003 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4004 } 4005 } 4006 return size; 4007 } 4008 4009 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4010 // We calculate the max size of permissions defined by this uid and throw 4011 // if that plus the size of 'info' would exceed our stated maximum. 4012 if (tree.uid != Process.SYSTEM_UID) { 4013 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4014 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4015 throw new SecurityException("Permission tree size cap exceeded"); 4016 } 4017 } 4018 } 4019 4020 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4021 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4022 throw new SecurityException("Label must be specified in permission"); 4023 } 4024 BasePermission tree = checkPermissionTreeLP(info.name); 4025 BasePermission bp = mSettings.mPermissions.get(info.name); 4026 boolean added = bp == null; 4027 boolean changed = true; 4028 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4029 if (added) { 4030 enforcePermissionCapLocked(info, tree); 4031 bp = new BasePermission(info.name, tree.sourcePackage, 4032 BasePermission.TYPE_DYNAMIC); 4033 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4034 throw new SecurityException( 4035 "Not allowed to modify non-dynamic permission " 4036 + info.name); 4037 } else { 4038 if (bp.protectionLevel == fixedLevel 4039 && bp.perm.owner.equals(tree.perm.owner) 4040 && bp.uid == tree.uid 4041 && comparePermissionInfos(bp.perm.info, info)) { 4042 changed = false; 4043 } 4044 } 4045 bp.protectionLevel = fixedLevel; 4046 info = new PermissionInfo(info); 4047 info.protectionLevel = fixedLevel; 4048 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4049 bp.perm.info.packageName = tree.perm.info.packageName; 4050 bp.uid = tree.uid; 4051 if (added) { 4052 mSettings.mPermissions.put(info.name, bp); 4053 } 4054 if (changed) { 4055 if (!async) { 4056 mSettings.writeLPr(); 4057 } else { 4058 scheduleWriteSettingsLocked(); 4059 } 4060 } 4061 return added; 4062 } 4063 4064 @Override 4065 public boolean addPermission(PermissionInfo info) { 4066 synchronized (mPackages) { 4067 return addPermissionLocked(info, false); 4068 } 4069 } 4070 4071 @Override 4072 public boolean addPermissionAsync(PermissionInfo info) { 4073 synchronized (mPackages) { 4074 return addPermissionLocked(info, true); 4075 } 4076 } 4077 4078 @Override 4079 public void removePermission(String name) { 4080 synchronized (mPackages) { 4081 checkPermissionTreeLP(name); 4082 BasePermission bp = mSettings.mPermissions.get(name); 4083 if (bp != null) { 4084 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4085 throw new SecurityException( 4086 "Not allowed to modify non-dynamic permission " 4087 + name); 4088 } 4089 mSettings.mPermissions.remove(name); 4090 mSettings.writeLPr(); 4091 } 4092 } 4093 } 4094 4095 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4096 BasePermission bp) { 4097 int index = pkg.requestedPermissions.indexOf(bp.name); 4098 if (index == -1) { 4099 throw new SecurityException("Package " + pkg.packageName 4100 + " has not requested permission " + bp.name); 4101 } 4102 if (!bp.isRuntime() && !bp.isDevelopment()) { 4103 throw new SecurityException("Permission " + bp.name 4104 + " is not a changeable permission type"); 4105 } 4106 } 4107 4108 @Override 4109 public void grantRuntimePermission(String packageName, String name, final int userId) { 4110 if (!sUserManager.exists(userId)) { 4111 Log.e(TAG, "No such user:" + userId); 4112 return; 4113 } 4114 4115 mContext.enforceCallingOrSelfPermission( 4116 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4117 "grantRuntimePermission"); 4118 4119 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4120 true /* requireFullPermission */, true /* checkShell */, 4121 "grantRuntimePermission"); 4122 4123 final int uid; 4124 final SettingBase sb; 4125 4126 synchronized (mPackages) { 4127 final PackageParser.Package pkg = mPackages.get(packageName); 4128 if (pkg == null) { 4129 throw new IllegalArgumentException("Unknown package: " + packageName); 4130 } 4131 4132 final BasePermission bp = mSettings.mPermissions.get(name); 4133 if (bp == null) { 4134 throw new IllegalArgumentException("Unknown permission: " + name); 4135 } 4136 4137 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4138 4139 // If a permission review is required for legacy apps we represent 4140 // their permissions as always granted runtime ones since we need 4141 // to keep the review required permission flag per user while an 4142 // install permission's state is shared across all users. 4143 if (Build.PERMISSIONS_REVIEW_REQUIRED 4144 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4145 && bp.isRuntime()) { 4146 return; 4147 } 4148 4149 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4150 sb = (SettingBase) pkg.mExtras; 4151 if (sb == null) { 4152 throw new IllegalArgumentException("Unknown package: " + packageName); 4153 } 4154 4155 final PermissionsState permissionsState = sb.getPermissionsState(); 4156 4157 final int flags = permissionsState.getPermissionFlags(name, userId); 4158 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4159 throw new SecurityException("Cannot grant system fixed permission " 4160 + name + " for package " + packageName); 4161 } 4162 4163 if (bp.isDevelopment()) { 4164 // Development permissions must be handled specially, since they are not 4165 // normal runtime permissions. For now they apply to all users. 4166 if (permissionsState.grantInstallPermission(bp) != 4167 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4168 scheduleWriteSettingsLocked(); 4169 } 4170 return; 4171 } 4172 4173 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4174 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4175 return; 4176 } 4177 4178 final int result = permissionsState.grantRuntimePermission(bp, userId); 4179 switch (result) { 4180 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4181 return; 4182 } 4183 4184 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4185 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4186 mHandler.post(new Runnable() { 4187 @Override 4188 public void run() { 4189 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4190 } 4191 }); 4192 } 4193 break; 4194 } 4195 4196 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4197 4198 // Not critical if that is lost - app has to request again. 4199 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4200 } 4201 4202 // Only need to do this if user is initialized. Otherwise it's a new user 4203 // and there are no processes running as the user yet and there's no need 4204 // to make an expensive call to remount processes for the changed permissions. 4205 if (READ_EXTERNAL_STORAGE.equals(name) 4206 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4207 final long token = Binder.clearCallingIdentity(); 4208 try { 4209 if (sUserManager.isInitialized(userId)) { 4210 MountServiceInternal mountServiceInternal = LocalServices.getService( 4211 MountServiceInternal.class); 4212 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4213 } 4214 } finally { 4215 Binder.restoreCallingIdentity(token); 4216 } 4217 } 4218 } 4219 4220 @Override 4221 public void revokeRuntimePermission(String packageName, String name, int userId) { 4222 if (!sUserManager.exists(userId)) { 4223 Log.e(TAG, "No such user:" + userId); 4224 return; 4225 } 4226 4227 mContext.enforceCallingOrSelfPermission( 4228 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4229 "revokeRuntimePermission"); 4230 4231 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4232 true /* requireFullPermission */, true /* checkShell */, 4233 "revokeRuntimePermission"); 4234 4235 final int appId; 4236 4237 synchronized (mPackages) { 4238 final PackageParser.Package pkg = mPackages.get(packageName); 4239 if (pkg == null) { 4240 throw new IllegalArgumentException("Unknown package: " + packageName); 4241 } 4242 4243 final BasePermission bp = mSettings.mPermissions.get(name); 4244 if (bp == null) { 4245 throw new IllegalArgumentException("Unknown permission: " + name); 4246 } 4247 4248 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4249 4250 // If a permission review is required for legacy apps we represent 4251 // their permissions as always granted runtime ones since we need 4252 // to keep the review required permission flag per user while an 4253 // install permission's state is shared across all users. 4254 if (Build.PERMISSIONS_REVIEW_REQUIRED 4255 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4256 && bp.isRuntime()) { 4257 return; 4258 } 4259 4260 SettingBase sb = (SettingBase) pkg.mExtras; 4261 if (sb == null) { 4262 throw new IllegalArgumentException("Unknown package: " + packageName); 4263 } 4264 4265 final PermissionsState permissionsState = sb.getPermissionsState(); 4266 4267 final int flags = permissionsState.getPermissionFlags(name, userId); 4268 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4269 throw new SecurityException("Cannot revoke system fixed permission " 4270 + name + " for package " + packageName); 4271 } 4272 4273 if (bp.isDevelopment()) { 4274 // Development permissions must be handled specially, since they are not 4275 // normal runtime permissions. For now they apply to all users. 4276 if (permissionsState.revokeInstallPermission(bp) != 4277 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4278 scheduleWriteSettingsLocked(); 4279 } 4280 return; 4281 } 4282 4283 if (permissionsState.revokeRuntimePermission(bp, userId) == 4284 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4285 return; 4286 } 4287 4288 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4289 4290 // Critical, after this call app should never have the permission. 4291 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4292 4293 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4294 } 4295 4296 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4297 } 4298 4299 @Override 4300 public void resetRuntimePermissions() { 4301 mContext.enforceCallingOrSelfPermission( 4302 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4303 "revokeRuntimePermission"); 4304 4305 int callingUid = Binder.getCallingUid(); 4306 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4307 mContext.enforceCallingOrSelfPermission( 4308 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4309 "resetRuntimePermissions"); 4310 } 4311 4312 synchronized (mPackages) { 4313 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4314 for (int userId : UserManagerService.getInstance().getUserIds()) { 4315 final int packageCount = mPackages.size(); 4316 for (int i = 0; i < packageCount; i++) { 4317 PackageParser.Package pkg = mPackages.valueAt(i); 4318 if (!(pkg.mExtras instanceof PackageSetting)) { 4319 continue; 4320 } 4321 PackageSetting ps = (PackageSetting) pkg.mExtras; 4322 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4323 } 4324 } 4325 } 4326 } 4327 4328 @Override 4329 public int getPermissionFlags(String name, String packageName, int userId) { 4330 if (!sUserManager.exists(userId)) { 4331 return 0; 4332 } 4333 4334 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4335 4336 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4337 true /* requireFullPermission */, false /* checkShell */, 4338 "getPermissionFlags"); 4339 4340 synchronized (mPackages) { 4341 final PackageParser.Package pkg = mPackages.get(packageName); 4342 if (pkg == null) { 4343 return 0; 4344 } 4345 4346 final BasePermission bp = mSettings.mPermissions.get(name); 4347 if (bp == null) { 4348 return 0; 4349 } 4350 4351 SettingBase sb = (SettingBase) pkg.mExtras; 4352 if (sb == null) { 4353 return 0; 4354 } 4355 4356 PermissionsState permissionsState = sb.getPermissionsState(); 4357 return permissionsState.getPermissionFlags(name, userId); 4358 } 4359 } 4360 4361 @Override 4362 public void updatePermissionFlags(String name, String packageName, int flagMask, 4363 int flagValues, int userId) { 4364 if (!sUserManager.exists(userId)) { 4365 return; 4366 } 4367 4368 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4369 4370 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4371 true /* requireFullPermission */, true /* checkShell */, 4372 "updatePermissionFlags"); 4373 4374 // Only the system can change these flags and nothing else. 4375 if (getCallingUid() != Process.SYSTEM_UID) { 4376 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4377 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4378 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4379 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4380 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4381 } 4382 4383 synchronized (mPackages) { 4384 final PackageParser.Package pkg = mPackages.get(packageName); 4385 if (pkg == null) { 4386 throw new IllegalArgumentException("Unknown package: " + packageName); 4387 } 4388 4389 final BasePermission bp = mSettings.mPermissions.get(name); 4390 if (bp == null) { 4391 throw new IllegalArgumentException("Unknown permission: " + name); 4392 } 4393 4394 SettingBase sb = (SettingBase) pkg.mExtras; 4395 if (sb == null) { 4396 throw new IllegalArgumentException("Unknown package: " + packageName); 4397 } 4398 4399 PermissionsState permissionsState = sb.getPermissionsState(); 4400 4401 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4402 4403 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4404 // Install and runtime permissions are stored in different places, 4405 // so figure out what permission changed and persist the change. 4406 if (permissionsState.getInstallPermissionState(name) != null) { 4407 scheduleWriteSettingsLocked(); 4408 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4409 || hadState) { 4410 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4411 } 4412 } 4413 } 4414 } 4415 4416 /** 4417 * Update the permission flags for all packages and runtime permissions of a user in order 4418 * to allow device or profile owner to remove POLICY_FIXED. 4419 */ 4420 @Override 4421 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4422 if (!sUserManager.exists(userId)) { 4423 return; 4424 } 4425 4426 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4427 4428 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4429 true /* requireFullPermission */, true /* checkShell */, 4430 "updatePermissionFlagsForAllApps"); 4431 4432 // Only the system can change system fixed flags. 4433 if (getCallingUid() != Process.SYSTEM_UID) { 4434 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4435 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4436 } 4437 4438 synchronized (mPackages) { 4439 boolean changed = false; 4440 final int packageCount = mPackages.size(); 4441 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4442 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4443 SettingBase sb = (SettingBase) pkg.mExtras; 4444 if (sb == null) { 4445 continue; 4446 } 4447 PermissionsState permissionsState = sb.getPermissionsState(); 4448 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4449 userId, flagMask, flagValues); 4450 } 4451 if (changed) { 4452 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4453 } 4454 } 4455 } 4456 4457 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4458 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4459 != PackageManager.PERMISSION_GRANTED 4460 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4461 != PackageManager.PERMISSION_GRANTED) { 4462 throw new SecurityException(message + " requires " 4463 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4464 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4465 } 4466 } 4467 4468 @Override 4469 public boolean shouldShowRequestPermissionRationale(String permissionName, 4470 String packageName, int userId) { 4471 if (UserHandle.getCallingUserId() != userId) { 4472 mContext.enforceCallingPermission( 4473 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4474 "canShowRequestPermissionRationale for user " + userId); 4475 } 4476 4477 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4478 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4479 return false; 4480 } 4481 4482 if (checkPermission(permissionName, packageName, userId) 4483 == PackageManager.PERMISSION_GRANTED) { 4484 return false; 4485 } 4486 4487 final int flags; 4488 4489 final long identity = Binder.clearCallingIdentity(); 4490 try { 4491 flags = getPermissionFlags(permissionName, 4492 packageName, userId); 4493 } finally { 4494 Binder.restoreCallingIdentity(identity); 4495 } 4496 4497 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4498 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4499 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4500 4501 if ((flags & fixedFlags) != 0) { 4502 return false; 4503 } 4504 4505 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4506 } 4507 4508 @Override 4509 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4510 mContext.enforceCallingOrSelfPermission( 4511 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4512 "addOnPermissionsChangeListener"); 4513 4514 synchronized (mPackages) { 4515 mOnPermissionChangeListeners.addListenerLocked(listener); 4516 } 4517 } 4518 4519 @Override 4520 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4521 synchronized (mPackages) { 4522 mOnPermissionChangeListeners.removeListenerLocked(listener); 4523 } 4524 } 4525 4526 @Override 4527 public boolean isProtectedBroadcast(String actionName) { 4528 synchronized (mPackages) { 4529 if (mProtectedBroadcasts.contains(actionName)) { 4530 return true; 4531 } else if (actionName != null) { 4532 // TODO: remove these terrible hacks 4533 if (actionName.startsWith("android.net.netmon.lingerExpired") 4534 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4535 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4536 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4537 return true; 4538 } 4539 } 4540 } 4541 return false; 4542 } 4543 4544 @Override 4545 public int checkSignatures(String pkg1, String pkg2) { 4546 synchronized (mPackages) { 4547 final PackageParser.Package p1 = mPackages.get(pkg1); 4548 final PackageParser.Package p2 = mPackages.get(pkg2); 4549 if (p1 == null || p1.mExtras == null 4550 || p2 == null || p2.mExtras == null) { 4551 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4552 } 4553 return compareSignatures(p1.mSignatures, p2.mSignatures); 4554 } 4555 } 4556 4557 @Override 4558 public int checkUidSignatures(int uid1, int uid2) { 4559 // Map to base uids. 4560 uid1 = UserHandle.getAppId(uid1); 4561 uid2 = UserHandle.getAppId(uid2); 4562 // reader 4563 synchronized (mPackages) { 4564 Signature[] s1; 4565 Signature[] s2; 4566 Object obj = mSettings.getUserIdLPr(uid1); 4567 if (obj != null) { 4568 if (obj instanceof SharedUserSetting) { 4569 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4570 } else if (obj instanceof PackageSetting) { 4571 s1 = ((PackageSetting)obj).signatures.mSignatures; 4572 } else { 4573 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4574 } 4575 } else { 4576 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4577 } 4578 obj = mSettings.getUserIdLPr(uid2); 4579 if (obj != null) { 4580 if (obj instanceof SharedUserSetting) { 4581 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4582 } else if (obj instanceof PackageSetting) { 4583 s2 = ((PackageSetting)obj).signatures.mSignatures; 4584 } else { 4585 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4586 } 4587 } else { 4588 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4589 } 4590 return compareSignatures(s1, s2); 4591 } 4592 } 4593 4594 /** 4595 * This method should typically only be used when granting or revoking 4596 * permissions, since the app may immediately restart after this call. 4597 * <p> 4598 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4599 * guard your work against the app being relaunched. 4600 */ 4601 private void killUid(int appId, int userId, String reason) { 4602 final long identity = Binder.clearCallingIdentity(); 4603 try { 4604 IActivityManager am = ActivityManagerNative.getDefault(); 4605 if (am != null) { 4606 try { 4607 am.killUid(appId, userId, reason); 4608 } catch (RemoteException e) { 4609 /* ignore - same process */ 4610 } 4611 } 4612 } finally { 4613 Binder.restoreCallingIdentity(identity); 4614 } 4615 } 4616 4617 /** 4618 * Compares two sets of signatures. Returns: 4619 * <br /> 4620 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4621 * <br /> 4622 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4623 * <br /> 4624 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4625 * <br /> 4626 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4627 * <br /> 4628 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4629 */ 4630 static int compareSignatures(Signature[] s1, Signature[] s2) { 4631 if (s1 == null) { 4632 return s2 == null 4633 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4634 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4635 } 4636 4637 if (s2 == null) { 4638 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4639 } 4640 4641 if (s1.length != s2.length) { 4642 return PackageManager.SIGNATURE_NO_MATCH; 4643 } 4644 4645 // Since both signature sets are of size 1, we can compare without HashSets. 4646 if (s1.length == 1) { 4647 return s1[0].equals(s2[0]) ? 4648 PackageManager.SIGNATURE_MATCH : 4649 PackageManager.SIGNATURE_NO_MATCH; 4650 } 4651 4652 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4653 for (Signature sig : s1) { 4654 set1.add(sig); 4655 } 4656 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4657 for (Signature sig : s2) { 4658 set2.add(sig); 4659 } 4660 // Make sure s2 contains all signatures in s1. 4661 if (set1.equals(set2)) { 4662 return PackageManager.SIGNATURE_MATCH; 4663 } 4664 return PackageManager.SIGNATURE_NO_MATCH; 4665 } 4666 4667 /** 4668 * If the database version for this type of package (internal storage or 4669 * external storage) is less than the version where package signatures 4670 * were updated, return true. 4671 */ 4672 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4673 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4674 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4675 } 4676 4677 /** 4678 * Used for backward compatibility to make sure any packages with 4679 * certificate chains get upgraded to the new style. {@code existingSigs} 4680 * will be in the old format (since they were stored on disk from before the 4681 * system upgrade) and {@code scannedSigs} will be in the newer format. 4682 */ 4683 private int compareSignaturesCompat(PackageSignatures existingSigs, 4684 PackageParser.Package scannedPkg) { 4685 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4686 return PackageManager.SIGNATURE_NO_MATCH; 4687 } 4688 4689 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4690 for (Signature sig : existingSigs.mSignatures) { 4691 existingSet.add(sig); 4692 } 4693 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4694 for (Signature sig : scannedPkg.mSignatures) { 4695 try { 4696 Signature[] chainSignatures = sig.getChainSignatures(); 4697 for (Signature chainSig : chainSignatures) { 4698 scannedCompatSet.add(chainSig); 4699 } 4700 } catch (CertificateEncodingException e) { 4701 scannedCompatSet.add(sig); 4702 } 4703 } 4704 /* 4705 * Make sure the expanded scanned set contains all signatures in the 4706 * existing one. 4707 */ 4708 if (scannedCompatSet.equals(existingSet)) { 4709 // Migrate the old signatures to the new scheme. 4710 existingSigs.assignSignatures(scannedPkg.mSignatures); 4711 // The new KeySets will be re-added later in the scanning process. 4712 synchronized (mPackages) { 4713 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4714 } 4715 return PackageManager.SIGNATURE_MATCH; 4716 } 4717 return PackageManager.SIGNATURE_NO_MATCH; 4718 } 4719 4720 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4721 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4722 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4723 } 4724 4725 private int compareSignaturesRecover(PackageSignatures existingSigs, 4726 PackageParser.Package scannedPkg) { 4727 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4728 return PackageManager.SIGNATURE_NO_MATCH; 4729 } 4730 4731 String msg = null; 4732 try { 4733 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4734 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4735 + scannedPkg.packageName); 4736 return PackageManager.SIGNATURE_MATCH; 4737 } 4738 } catch (CertificateException e) { 4739 msg = e.getMessage(); 4740 } 4741 4742 logCriticalInfo(Log.INFO, 4743 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4744 return PackageManager.SIGNATURE_NO_MATCH; 4745 } 4746 4747 @Override 4748 public List<String> getAllPackages() { 4749 synchronized (mPackages) { 4750 return new ArrayList<String>(mPackages.keySet()); 4751 } 4752 } 4753 4754 @Override 4755 public String[] getPackagesForUid(int uid) { 4756 uid = UserHandle.getAppId(uid); 4757 // reader 4758 synchronized (mPackages) { 4759 Object obj = mSettings.getUserIdLPr(uid); 4760 if (obj instanceof SharedUserSetting) { 4761 final SharedUserSetting sus = (SharedUserSetting) obj; 4762 final int N = sus.packages.size(); 4763 final String[] res = new String[N]; 4764 for (int i = 0; i < N; i++) { 4765 res[i] = sus.packages.valueAt(i).name; 4766 } 4767 return res; 4768 } else if (obj instanceof PackageSetting) { 4769 final PackageSetting ps = (PackageSetting) obj; 4770 return new String[] { ps.name }; 4771 } 4772 } 4773 return null; 4774 } 4775 4776 @Override 4777 public String getNameForUid(int uid) { 4778 // reader 4779 synchronized (mPackages) { 4780 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4781 if (obj instanceof SharedUserSetting) { 4782 final SharedUserSetting sus = (SharedUserSetting) obj; 4783 return sus.name + ":" + sus.userId; 4784 } else if (obj instanceof PackageSetting) { 4785 final PackageSetting ps = (PackageSetting) obj; 4786 return ps.name; 4787 } 4788 } 4789 return null; 4790 } 4791 4792 @Override 4793 public int getUidForSharedUser(String sharedUserName) { 4794 if(sharedUserName == null) { 4795 return -1; 4796 } 4797 // reader 4798 synchronized (mPackages) { 4799 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4800 if (suid == null) { 4801 return -1; 4802 } 4803 return suid.userId; 4804 } 4805 } 4806 4807 @Override 4808 public int getFlagsForUid(int uid) { 4809 synchronized (mPackages) { 4810 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4811 if (obj instanceof SharedUserSetting) { 4812 final SharedUserSetting sus = (SharedUserSetting) obj; 4813 return sus.pkgFlags; 4814 } else if (obj instanceof PackageSetting) { 4815 final PackageSetting ps = (PackageSetting) obj; 4816 return ps.pkgFlags; 4817 } 4818 } 4819 return 0; 4820 } 4821 4822 @Override 4823 public int getPrivateFlagsForUid(int uid) { 4824 synchronized (mPackages) { 4825 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4826 if (obj instanceof SharedUserSetting) { 4827 final SharedUserSetting sus = (SharedUserSetting) obj; 4828 return sus.pkgPrivateFlags; 4829 } else if (obj instanceof PackageSetting) { 4830 final PackageSetting ps = (PackageSetting) obj; 4831 return ps.pkgPrivateFlags; 4832 } 4833 } 4834 return 0; 4835 } 4836 4837 @Override 4838 public boolean isUidPrivileged(int uid) { 4839 uid = UserHandle.getAppId(uid); 4840 // reader 4841 synchronized (mPackages) { 4842 Object obj = mSettings.getUserIdLPr(uid); 4843 if (obj instanceof SharedUserSetting) { 4844 final SharedUserSetting sus = (SharedUserSetting) obj; 4845 final Iterator<PackageSetting> it = sus.packages.iterator(); 4846 while (it.hasNext()) { 4847 if (it.next().isPrivileged()) { 4848 return true; 4849 } 4850 } 4851 } else if (obj instanceof PackageSetting) { 4852 final PackageSetting ps = (PackageSetting) obj; 4853 return ps.isPrivileged(); 4854 } 4855 } 4856 return false; 4857 } 4858 4859 @Override 4860 public String[] getAppOpPermissionPackages(String permissionName) { 4861 synchronized (mPackages) { 4862 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4863 if (pkgs == null) { 4864 return null; 4865 } 4866 return pkgs.toArray(new String[pkgs.size()]); 4867 } 4868 } 4869 4870 @Override 4871 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4872 int flags, int userId) { 4873 try { 4874 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4875 4876 if (!sUserManager.exists(userId)) return null; 4877 flags = updateFlagsForResolve(flags, userId, intent); 4878 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4879 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4880 4881 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4882 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4883 flags, userId); 4884 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4885 4886 final ResolveInfo bestChoice = 4887 chooseBestActivity(intent, resolvedType, flags, query, userId); 4888 4889 if (isEphemeralAllowed(intent, query, userId)) { 4890 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4891 final EphemeralResolveInfo ai = 4892 getEphemeralResolveInfo(intent, resolvedType, userId); 4893 if (ai != null) { 4894 if (DEBUG_EPHEMERAL) { 4895 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4896 } 4897 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4898 bestChoice.ephemeralResolveInfo = ai; 4899 } 4900 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4901 } 4902 return bestChoice; 4903 } finally { 4904 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4905 } 4906 } 4907 4908 @Override 4909 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4910 IntentFilter filter, int match, ComponentName activity) { 4911 final int userId = UserHandle.getCallingUserId(); 4912 if (DEBUG_PREFERRED) { 4913 Log.v(TAG, "setLastChosenActivity intent=" + intent 4914 + " resolvedType=" + resolvedType 4915 + " flags=" + flags 4916 + " filter=" + filter 4917 + " match=" + match 4918 + " activity=" + activity); 4919 filter.dump(new PrintStreamPrinter(System.out), " "); 4920 } 4921 intent.setComponent(null); 4922 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4923 userId); 4924 // Find any earlier preferred or last chosen entries and nuke them 4925 findPreferredActivity(intent, resolvedType, 4926 flags, query, 0, false, true, false, userId); 4927 // Add the new activity as the last chosen for this filter 4928 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4929 "Setting last chosen"); 4930 } 4931 4932 @Override 4933 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4934 final int userId = UserHandle.getCallingUserId(); 4935 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4936 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4937 userId); 4938 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4939 false, false, false, userId); 4940 } 4941 4942 4943 private boolean isEphemeralAllowed( 4944 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4945 // Short circuit and return early if possible. 4946 if (DISABLE_EPHEMERAL_APPS) { 4947 return false; 4948 } 4949 final int callingUser = UserHandle.getCallingUserId(); 4950 if (callingUser != UserHandle.USER_SYSTEM) { 4951 return false; 4952 } 4953 if (mEphemeralResolverConnection == null) { 4954 return false; 4955 } 4956 if (intent.getComponent() != null) { 4957 return false; 4958 } 4959 if (intent.getPackage() != null) { 4960 return false; 4961 } 4962 final boolean isWebUri = hasWebURI(intent); 4963 if (!isWebUri) { 4964 return false; 4965 } 4966 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4967 synchronized (mPackages) { 4968 final int count = resolvedActivites.size(); 4969 for (int n = 0; n < count; n++) { 4970 ResolveInfo info = resolvedActivites.get(n); 4971 String packageName = info.activityInfo.packageName; 4972 PackageSetting ps = mSettings.mPackages.get(packageName); 4973 if (ps != null) { 4974 // Try to get the status from User settings first 4975 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4976 int status = (int) (packedStatus >> 32); 4977 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4978 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4979 if (DEBUG_EPHEMERAL) { 4980 Slog.v(TAG, "DENY ephemeral apps;" 4981 + " pkg: " + packageName + ", status: " + status); 4982 } 4983 return false; 4984 } 4985 } 4986 } 4987 } 4988 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4989 return true; 4990 } 4991 4992 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4993 int userId) { 4994 MessageDigest digest = null; 4995 try { 4996 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4997 } catch (NoSuchAlgorithmException e) { 4998 // If we can't create a digest, ignore ephemeral apps. 4999 return null; 5000 } 5001 5002 final byte[] hostBytes = intent.getData().getHost().getBytes(); 5003 final byte[] digestBytes = digest.digest(hostBytes); 5004 int shaPrefix = 5005 digestBytes[0] << 24 5006 | digestBytes[1] << 16 5007 | digestBytes[2] << 8 5008 | digestBytes[3] << 0; 5009 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 5010 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 5011 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 5012 // No hash prefix match; there are no ephemeral apps for this domain. 5013 return null; 5014 } 5015 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 5016 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 5017 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 5018 continue; 5019 } 5020 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 5021 // No filters; this should never happen. 5022 if (filters.isEmpty()) { 5023 continue; 5024 } 5025 // We have a domain match; resolve the filters to see if anything matches. 5026 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 5027 for (int j = filters.size() - 1; j >= 0; --j) { 5028 final EphemeralResolveIntentInfo intentInfo = 5029 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 5030 ephemeralResolver.addFilter(intentInfo); 5031 } 5032 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 5033 intent, resolvedType, false /*defaultOnly*/, userId); 5034 if (!matchedResolveInfoList.isEmpty()) { 5035 return matchedResolveInfoList.get(0); 5036 } 5037 } 5038 // Hash or filter mis-match; no ephemeral apps for this domain. 5039 return null; 5040 } 5041 5042 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5043 int flags, List<ResolveInfo> query, int userId) { 5044 if (query != null) { 5045 final int N = query.size(); 5046 if (N == 1) { 5047 return query.get(0); 5048 } else if (N > 1) { 5049 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5050 // If there is more than one activity with the same priority, 5051 // then let the user decide between them. 5052 ResolveInfo r0 = query.get(0); 5053 ResolveInfo r1 = query.get(1); 5054 if (DEBUG_INTENT_MATCHING || debug) { 5055 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5056 + r1.activityInfo.name + "=" + r1.priority); 5057 } 5058 // If the first activity has a higher priority, or a different 5059 // default, then it is always desirable to pick it. 5060 if (r0.priority != r1.priority 5061 || r0.preferredOrder != r1.preferredOrder 5062 || r0.isDefault != r1.isDefault) { 5063 return query.get(0); 5064 } 5065 // If we have saved a preference for a preferred activity for 5066 // this Intent, use that. 5067 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5068 flags, query, r0.priority, true, false, debug, userId); 5069 if (ri != null) { 5070 return ri; 5071 } 5072 ri = new ResolveInfo(mResolveInfo); 5073 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5074 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5075 // If all of the options come from the same package, show the application's 5076 // label and icon instead of the generic resolver's. 5077 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5078 // and then throw away the ResolveInfo itself, meaning that the caller loses 5079 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5080 // a fallback for this case; we only set the target package's resources on 5081 // the ResolveInfo, not the ActivityInfo. 5082 final String intentPackage = intent.getPackage(); 5083 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5084 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5085 ri.resolvePackageName = intentPackage; 5086 if (userNeedsBadging(userId)) { 5087 ri.noResourceId = true; 5088 } else { 5089 ri.icon = appi.icon; 5090 } 5091 ri.iconResourceId = appi.icon; 5092 ri.labelRes = appi.labelRes; 5093 } 5094 ri.activityInfo.applicationInfo = new ApplicationInfo( 5095 ri.activityInfo.applicationInfo); 5096 if (userId != 0) { 5097 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5098 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5099 } 5100 // Make sure that the resolver is displayable in car mode 5101 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5102 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5103 return ri; 5104 } 5105 } 5106 return null; 5107 } 5108 5109 /** 5110 * Return true if the given list is not empty and all of its contents have 5111 * an activityInfo with the given package name. 5112 */ 5113 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5114 if (ArrayUtils.isEmpty(list)) { 5115 return false; 5116 } 5117 for (int i = 0, N = list.size(); i < N; i++) { 5118 final ResolveInfo ri = list.get(i); 5119 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5120 if (ai == null || !packageName.equals(ai.packageName)) { 5121 return false; 5122 } 5123 } 5124 return true; 5125 } 5126 5127 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5128 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5129 final int N = query.size(); 5130 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5131 .get(userId); 5132 // Get the list of persistent preferred activities that handle the intent 5133 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5134 List<PersistentPreferredActivity> pprefs = ppir != null 5135 ? ppir.queryIntent(intent, resolvedType, 5136 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5137 : null; 5138 if (pprefs != null && pprefs.size() > 0) { 5139 final int M = pprefs.size(); 5140 for (int i=0; i<M; i++) { 5141 final PersistentPreferredActivity ppa = pprefs.get(i); 5142 if (DEBUG_PREFERRED || debug) { 5143 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5144 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5145 + "\n component=" + ppa.mComponent); 5146 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5147 } 5148 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5149 flags | MATCH_DISABLED_COMPONENTS, userId); 5150 if (DEBUG_PREFERRED || debug) { 5151 Slog.v(TAG, "Found persistent preferred activity:"); 5152 if (ai != null) { 5153 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5154 } else { 5155 Slog.v(TAG, " null"); 5156 } 5157 } 5158 if (ai == null) { 5159 // This previously registered persistent preferred activity 5160 // component is no longer known. Ignore it and do NOT remove it. 5161 continue; 5162 } 5163 for (int j=0; j<N; j++) { 5164 final ResolveInfo ri = query.get(j); 5165 if (!ri.activityInfo.applicationInfo.packageName 5166 .equals(ai.applicationInfo.packageName)) { 5167 continue; 5168 } 5169 if (!ri.activityInfo.name.equals(ai.name)) { 5170 continue; 5171 } 5172 // Found a persistent preference that can handle the intent. 5173 if (DEBUG_PREFERRED || debug) { 5174 Slog.v(TAG, "Returning persistent preferred activity: " + 5175 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5176 } 5177 return ri; 5178 } 5179 } 5180 } 5181 return null; 5182 } 5183 5184 // TODO: handle preferred activities missing while user has amnesia 5185 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5186 List<ResolveInfo> query, int priority, boolean always, 5187 boolean removeMatches, boolean debug, int userId) { 5188 if (!sUserManager.exists(userId)) return null; 5189 flags = updateFlagsForResolve(flags, userId, intent); 5190 // writer 5191 synchronized (mPackages) { 5192 if (intent.getSelector() != null) { 5193 intent = intent.getSelector(); 5194 } 5195 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5196 5197 // Try to find a matching persistent preferred activity. 5198 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5199 debug, userId); 5200 5201 // If a persistent preferred activity matched, use it. 5202 if (pri != null) { 5203 return pri; 5204 } 5205 5206 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5207 // Get the list of preferred activities that handle the intent 5208 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5209 List<PreferredActivity> prefs = pir != null 5210 ? pir.queryIntent(intent, resolvedType, 5211 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5212 : null; 5213 if (prefs != null && prefs.size() > 0) { 5214 boolean changed = false; 5215 try { 5216 // First figure out how good the original match set is. 5217 // We will only allow preferred activities that came 5218 // from the same match quality. 5219 int match = 0; 5220 5221 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5222 5223 final int N = query.size(); 5224 for (int j=0; j<N; j++) { 5225 final ResolveInfo ri = query.get(j); 5226 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5227 + ": 0x" + Integer.toHexString(match)); 5228 if (ri.match > match) { 5229 match = ri.match; 5230 } 5231 } 5232 5233 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5234 + Integer.toHexString(match)); 5235 5236 match &= IntentFilter.MATCH_CATEGORY_MASK; 5237 final int M = prefs.size(); 5238 for (int i=0; i<M; i++) { 5239 final PreferredActivity pa = prefs.get(i); 5240 if (DEBUG_PREFERRED || debug) { 5241 Slog.v(TAG, "Checking PreferredActivity ds=" 5242 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5243 + "\n component=" + pa.mPref.mComponent); 5244 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5245 } 5246 if (pa.mPref.mMatch != match) { 5247 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5248 + Integer.toHexString(pa.mPref.mMatch)); 5249 continue; 5250 } 5251 // If it's not an "always" type preferred activity and that's what we're 5252 // looking for, skip it. 5253 if (always && !pa.mPref.mAlways) { 5254 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5255 continue; 5256 } 5257 final ActivityInfo ai = getActivityInfo( 5258 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5259 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5260 userId); 5261 if (DEBUG_PREFERRED || debug) { 5262 Slog.v(TAG, "Found preferred activity:"); 5263 if (ai != null) { 5264 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5265 } else { 5266 Slog.v(TAG, " null"); 5267 } 5268 } 5269 if (ai == null) { 5270 // This previously registered preferred activity 5271 // component is no longer known. Most likely an update 5272 // to the app was installed and in the new version this 5273 // component no longer exists. Clean it up by removing 5274 // it from the preferred activities list, and skip it. 5275 Slog.w(TAG, "Removing dangling preferred activity: " 5276 + pa.mPref.mComponent); 5277 pir.removeFilter(pa); 5278 changed = true; 5279 continue; 5280 } 5281 for (int j=0; j<N; j++) { 5282 final ResolveInfo ri = query.get(j); 5283 if (!ri.activityInfo.applicationInfo.packageName 5284 .equals(ai.applicationInfo.packageName)) { 5285 continue; 5286 } 5287 if (!ri.activityInfo.name.equals(ai.name)) { 5288 continue; 5289 } 5290 5291 if (removeMatches) { 5292 pir.removeFilter(pa); 5293 changed = true; 5294 if (DEBUG_PREFERRED) { 5295 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5296 } 5297 break; 5298 } 5299 5300 // Okay we found a previously set preferred or last chosen app. 5301 // If the result set is different from when this 5302 // was created, we need to clear it and re-ask the 5303 // user their preference, if we're looking for an "always" type entry. 5304 if (always && !pa.mPref.sameSet(query)) { 5305 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5306 + intent + " type " + resolvedType); 5307 if (DEBUG_PREFERRED) { 5308 Slog.v(TAG, "Removing preferred activity since set changed " 5309 + pa.mPref.mComponent); 5310 } 5311 pir.removeFilter(pa); 5312 // Re-add the filter as a "last chosen" entry (!always) 5313 PreferredActivity lastChosen = new PreferredActivity( 5314 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5315 pir.addFilter(lastChosen); 5316 changed = true; 5317 return null; 5318 } 5319 5320 // Yay! Either the set matched or we're looking for the last chosen 5321 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5322 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5323 return ri; 5324 } 5325 } 5326 } finally { 5327 if (changed) { 5328 if (DEBUG_PREFERRED) { 5329 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5330 } 5331 scheduleWritePackageRestrictionsLocked(userId); 5332 } 5333 } 5334 } 5335 } 5336 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5337 return null; 5338 } 5339 5340 /* 5341 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5342 */ 5343 @Override 5344 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5345 int targetUserId) { 5346 mContext.enforceCallingOrSelfPermission( 5347 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5348 List<CrossProfileIntentFilter> matches = 5349 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5350 if (matches != null) { 5351 int size = matches.size(); 5352 for (int i = 0; i < size; i++) { 5353 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5354 } 5355 } 5356 if (hasWebURI(intent)) { 5357 // cross-profile app linking works only towards the parent. 5358 final UserInfo parent = getProfileParent(sourceUserId); 5359 synchronized(mPackages) { 5360 int flags = updateFlagsForResolve(0, parent.id, intent); 5361 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5362 intent, resolvedType, flags, sourceUserId, parent.id); 5363 return xpDomainInfo != null; 5364 } 5365 } 5366 return false; 5367 } 5368 5369 private UserInfo getProfileParent(int userId) { 5370 final long identity = Binder.clearCallingIdentity(); 5371 try { 5372 return sUserManager.getProfileParent(userId); 5373 } finally { 5374 Binder.restoreCallingIdentity(identity); 5375 } 5376 } 5377 5378 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5379 String resolvedType, int userId) { 5380 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5381 if (resolver != null) { 5382 return resolver.queryIntent(intent, resolvedType, false, userId); 5383 } 5384 return null; 5385 } 5386 5387 @Override 5388 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5389 String resolvedType, int flags, int userId) { 5390 try { 5391 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5392 5393 return new ParceledListSlice<>( 5394 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5395 } finally { 5396 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5397 } 5398 } 5399 5400 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5401 String resolvedType, int flags, int userId) { 5402 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5403 flags = updateFlagsForResolve(flags, userId, intent); 5404 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5405 false /* requireFullPermission */, false /* checkShell */, 5406 "query intent activities"); 5407 ComponentName comp = intent.getComponent(); 5408 if (comp == null) { 5409 if (intent.getSelector() != null) { 5410 intent = intent.getSelector(); 5411 comp = intent.getComponent(); 5412 } 5413 } 5414 5415 if (comp != null) { 5416 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5417 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5418 if (ai != null) { 5419 final ResolveInfo ri = new ResolveInfo(); 5420 ri.activityInfo = ai; 5421 list.add(ri); 5422 } 5423 return list; 5424 } 5425 5426 // reader 5427 synchronized (mPackages) { 5428 final String pkgName = intent.getPackage(); 5429 if (pkgName == null) { 5430 List<CrossProfileIntentFilter> matchingFilters = 5431 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5432 // Check for results that need to skip the current profile. 5433 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5434 resolvedType, flags, userId); 5435 if (xpResolveInfo != null) { 5436 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5437 result.add(xpResolveInfo); 5438 return filterIfNotSystemUser(result, userId); 5439 } 5440 5441 // Check for results in the current profile. 5442 List<ResolveInfo> result = mActivities.queryIntent( 5443 intent, resolvedType, flags, userId); 5444 result = filterIfNotSystemUser(result, userId); 5445 5446 // Check for cross profile results. 5447 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5448 xpResolveInfo = queryCrossProfileIntents( 5449 matchingFilters, intent, resolvedType, flags, userId, 5450 hasNonNegativePriorityResult); 5451 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5452 boolean isVisibleToUser = filterIfNotSystemUser( 5453 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5454 if (isVisibleToUser) { 5455 result.add(xpResolveInfo); 5456 Collections.sort(result, mResolvePrioritySorter); 5457 } 5458 } 5459 if (hasWebURI(intent)) { 5460 CrossProfileDomainInfo xpDomainInfo = null; 5461 final UserInfo parent = getProfileParent(userId); 5462 if (parent != null) { 5463 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5464 flags, userId, parent.id); 5465 } 5466 if (xpDomainInfo != null) { 5467 if (xpResolveInfo != null) { 5468 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5469 // in the result. 5470 result.remove(xpResolveInfo); 5471 } 5472 if (result.size() == 0) { 5473 result.add(xpDomainInfo.resolveInfo); 5474 return result; 5475 } 5476 } else if (result.size() <= 1) { 5477 return result; 5478 } 5479 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5480 xpDomainInfo, userId); 5481 Collections.sort(result, mResolvePrioritySorter); 5482 } 5483 return result; 5484 } 5485 final PackageParser.Package pkg = mPackages.get(pkgName); 5486 if (pkg != null) { 5487 return filterIfNotSystemUser( 5488 mActivities.queryIntentForPackage( 5489 intent, resolvedType, flags, pkg.activities, userId), 5490 userId); 5491 } 5492 return new ArrayList<ResolveInfo>(); 5493 } 5494 } 5495 5496 private static class CrossProfileDomainInfo { 5497 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5498 ResolveInfo resolveInfo; 5499 /* Best domain verification status of the activities found in the other profile */ 5500 int bestDomainVerificationStatus; 5501 } 5502 5503 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5504 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5505 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5506 sourceUserId)) { 5507 return null; 5508 } 5509 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5510 resolvedType, flags, parentUserId); 5511 5512 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5513 return null; 5514 } 5515 CrossProfileDomainInfo result = null; 5516 int size = resultTargetUser.size(); 5517 for (int i = 0; i < size; i++) { 5518 ResolveInfo riTargetUser = resultTargetUser.get(i); 5519 // Intent filter verification is only for filters that specify a host. So don't return 5520 // those that handle all web uris. 5521 if (riTargetUser.handleAllWebDataURI) { 5522 continue; 5523 } 5524 String packageName = riTargetUser.activityInfo.packageName; 5525 PackageSetting ps = mSettings.mPackages.get(packageName); 5526 if (ps == null) { 5527 continue; 5528 } 5529 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5530 int status = (int)(verificationState >> 32); 5531 if (result == null) { 5532 result = new CrossProfileDomainInfo(); 5533 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5534 sourceUserId, parentUserId); 5535 result.bestDomainVerificationStatus = status; 5536 } else { 5537 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5538 result.bestDomainVerificationStatus); 5539 } 5540 } 5541 // Don't consider matches with status NEVER across profiles. 5542 if (result != null && result.bestDomainVerificationStatus 5543 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5544 return null; 5545 } 5546 return result; 5547 } 5548 5549 /** 5550 * Verification statuses are ordered from the worse to the best, except for 5551 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5552 */ 5553 private int bestDomainVerificationStatus(int status1, int status2) { 5554 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5555 return status2; 5556 } 5557 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5558 return status1; 5559 } 5560 return (int) MathUtils.max(status1, status2); 5561 } 5562 5563 private boolean isUserEnabled(int userId) { 5564 long callingId = Binder.clearCallingIdentity(); 5565 try { 5566 UserInfo userInfo = sUserManager.getUserInfo(userId); 5567 return userInfo != null && userInfo.isEnabled(); 5568 } finally { 5569 Binder.restoreCallingIdentity(callingId); 5570 } 5571 } 5572 5573 /** 5574 * Filter out activities with systemUserOnly flag set, when current user is not System. 5575 * 5576 * @return filtered list 5577 */ 5578 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5579 if (userId == UserHandle.USER_SYSTEM) { 5580 return resolveInfos; 5581 } 5582 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5583 ResolveInfo info = resolveInfos.get(i); 5584 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5585 resolveInfos.remove(i); 5586 } 5587 } 5588 return resolveInfos; 5589 } 5590 5591 /** 5592 * @param resolveInfos list of resolve infos in descending priority order 5593 * @return if the list contains a resolve info with non-negative priority 5594 */ 5595 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5596 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5597 } 5598 5599 private static boolean hasWebURI(Intent intent) { 5600 if (intent.getData() == null) { 5601 return false; 5602 } 5603 final String scheme = intent.getScheme(); 5604 if (TextUtils.isEmpty(scheme)) { 5605 return false; 5606 } 5607 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5608 } 5609 5610 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5611 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5612 int userId) { 5613 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5614 5615 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5616 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5617 candidates.size()); 5618 } 5619 5620 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5621 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5622 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5623 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5624 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5625 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5626 5627 synchronized (mPackages) { 5628 final int count = candidates.size(); 5629 // First, try to use linked apps. Partition the candidates into four lists: 5630 // one for the final results, one for the "do not use ever", one for "undefined status" 5631 // and finally one for "browser app type". 5632 for (int n=0; n<count; n++) { 5633 ResolveInfo info = candidates.get(n); 5634 String packageName = info.activityInfo.packageName; 5635 PackageSetting ps = mSettings.mPackages.get(packageName); 5636 if (ps != null) { 5637 // Add to the special match all list (Browser use case) 5638 if (info.handleAllWebDataURI) { 5639 matchAllList.add(info); 5640 continue; 5641 } 5642 // Try to get the status from User settings first 5643 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5644 int status = (int)(packedStatus >> 32); 5645 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5646 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5647 if (DEBUG_DOMAIN_VERIFICATION) { 5648 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5649 + " : linkgen=" + linkGeneration); 5650 } 5651 // Use link-enabled generation as preferredOrder, i.e. 5652 // prefer newly-enabled over earlier-enabled. 5653 info.preferredOrder = linkGeneration; 5654 alwaysList.add(info); 5655 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5656 if (DEBUG_DOMAIN_VERIFICATION) { 5657 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5658 } 5659 neverList.add(info); 5660 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5661 if (DEBUG_DOMAIN_VERIFICATION) { 5662 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5663 } 5664 alwaysAskList.add(info); 5665 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5666 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5667 if (DEBUG_DOMAIN_VERIFICATION) { 5668 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5669 } 5670 undefinedList.add(info); 5671 } 5672 } 5673 } 5674 5675 // We'll want to include browser possibilities in a few cases 5676 boolean includeBrowser = false; 5677 5678 // First try to add the "always" resolution(s) for the current user, if any 5679 if (alwaysList.size() > 0) { 5680 result.addAll(alwaysList); 5681 } else { 5682 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5683 result.addAll(undefinedList); 5684 // Maybe add one for the other profile. 5685 if (xpDomainInfo != null && ( 5686 xpDomainInfo.bestDomainVerificationStatus 5687 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5688 result.add(xpDomainInfo.resolveInfo); 5689 } 5690 includeBrowser = true; 5691 } 5692 5693 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5694 // If there were 'always' entries their preferred order has been set, so we also 5695 // back that off to make the alternatives equivalent 5696 if (alwaysAskList.size() > 0) { 5697 for (ResolveInfo i : result) { 5698 i.preferredOrder = 0; 5699 } 5700 result.addAll(alwaysAskList); 5701 includeBrowser = true; 5702 } 5703 5704 if (includeBrowser) { 5705 // Also add browsers (all of them or only the default one) 5706 if (DEBUG_DOMAIN_VERIFICATION) { 5707 Slog.v(TAG, " ...including browsers in candidate set"); 5708 } 5709 if ((matchFlags & MATCH_ALL) != 0) { 5710 result.addAll(matchAllList); 5711 } else { 5712 // Browser/generic handling case. If there's a default browser, go straight 5713 // to that (but only if there is no other higher-priority match). 5714 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5715 int maxMatchPrio = 0; 5716 ResolveInfo defaultBrowserMatch = null; 5717 final int numCandidates = matchAllList.size(); 5718 for (int n = 0; n < numCandidates; n++) { 5719 ResolveInfo info = matchAllList.get(n); 5720 // track the highest overall match priority... 5721 if (info.priority > maxMatchPrio) { 5722 maxMatchPrio = info.priority; 5723 } 5724 // ...and the highest-priority default browser match 5725 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5726 if (defaultBrowserMatch == null 5727 || (defaultBrowserMatch.priority < info.priority)) { 5728 if (debug) { 5729 Slog.v(TAG, "Considering default browser match " + info); 5730 } 5731 defaultBrowserMatch = info; 5732 } 5733 } 5734 } 5735 if (defaultBrowserMatch != null 5736 && defaultBrowserMatch.priority >= maxMatchPrio 5737 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5738 { 5739 if (debug) { 5740 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5741 } 5742 result.add(defaultBrowserMatch); 5743 } else { 5744 result.addAll(matchAllList); 5745 } 5746 } 5747 5748 // If there is nothing selected, add all candidates and remove the ones that the user 5749 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5750 if (result.size() == 0) { 5751 result.addAll(candidates); 5752 result.removeAll(neverList); 5753 } 5754 } 5755 } 5756 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5757 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5758 result.size()); 5759 for (ResolveInfo info : result) { 5760 Slog.v(TAG, " + " + info.activityInfo); 5761 } 5762 } 5763 return result; 5764 } 5765 5766 // Returns a packed value as a long: 5767 // 5768 // high 'int'-sized word: link status: undefined/ask/never/always. 5769 // low 'int'-sized word: relative priority among 'always' results. 5770 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5771 long result = ps.getDomainVerificationStatusForUser(userId); 5772 // if none available, get the master status 5773 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5774 if (ps.getIntentFilterVerificationInfo() != null) { 5775 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5776 } 5777 } 5778 return result; 5779 } 5780 5781 private ResolveInfo querySkipCurrentProfileIntents( 5782 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5783 int flags, int sourceUserId) { 5784 if (matchingFilters != null) { 5785 int size = matchingFilters.size(); 5786 for (int i = 0; i < size; i ++) { 5787 CrossProfileIntentFilter filter = matchingFilters.get(i); 5788 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5789 // Checking if there are activities in the target user that can handle the 5790 // intent. 5791 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5792 resolvedType, flags, sourceUserId); 5793 if (resolveInfo != null) { 5794 return resolveInfo; 5795 } 5796 } 5797 } 5798 } 5799 return null; 5800 } 5801 5802 // Return matching ResolveInfo in target user if any. 5803 private ResolveInfo queryCrossProfileIntents( 5804 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5805 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5806 if (matchingFilters != null) { 5807 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5808 // match the same intent. For performance reasons, it is better not to 5809 // run queryIntent twice for the same userId 5810 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5811 int size = matchingFilters.size(); 5812 for (int i = 0; i < size; i++) { 5813 CrossProfileIntentFilter filter = matchingFilters.get(i); 5814 int targetUserId = filter.getTargetUserId(); 5815 boolean skipCurrentProfile = 5816 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5817 boolean skipCurrentProfileIfNoMatchFound = 5818 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5819 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5820 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5821 // Checking if there are activities in the target user that can handle the 5822 // intent. 5823 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5824 resolvedType, flags, sourceUserId); 5825 if (resolveInfo != null) return resolveInfo; 5826 alreadyTriedUserIds.put(targetUserId, true); 5827 } 5828 } 5829 } 5830 return null; 5831 } 5832 5833 /** 5834 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5835 * will forward the intent to the filter's target user. 5836 * Otherwise, returns null. 5837 */ 5838 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5839 String resolvedType, int flags, int sourceUserId) { 5840 int targetUserId = filter.getTargetUserId(); 5841 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5842 resolvedType, flags, targetUserId); 5843 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5844 // If all the matches in the target profile are suspended, return null. 5845 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5846 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5847 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5848 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5849 targetUserId); 5850 } 5851 } 5852 } 5853 return null; 5854 } 5855 5856 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5857 int sourceUserId, int targetUserId) { 5858 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5859 long ident = Binder.clearCallingIdentity(); 5860 boolean targetIsProfile; 5861 try { 5862 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5863 } finally { 5864 Binder.restoreCallingIdentity(ident); 5865 } 5866 String className; 5867 if (targetIsProfile) { 5868 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5869 } else { 5870 className = FORWARD_INTENT_TO_PARENT; 5871 } 5872 ComponentName forwardingActivityComponentName = new ComponentName( 5873 mAndroidApplication.packageName, className); 5874 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5875 sourceUserId); 5876 if (!targetIsProfile) { 5877 forwardingActivityInfo.showUserIcon = targetUserId; 5878 forwardingResolveInfo.noResourceId = true; 5879 } 5880 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5881 forwardingResolveInfo.priority = 0; 5882 forwardingResolveInfo.preferredOrder = 0; 5883 forwardingResolveInfo.match = 0; 5884 forwardingResolveInfo.isDefault = true; 5885 forwardingResolveInfo.filter = filter; 5886 forwardingResolveInfo.targetUserId = targetUserId; 5887 return forwardingResolveInfo; 5888 } 5889 5890 @Override 5891 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5892 Intent[] specifics, String[] specificTypes, Intent intent, 5893 String resolvedType, int flags, int userId) { 5894 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5895 specificTypes, intent, resolvedType, flags, userId)); 5896 } 5897 5898 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5899 Intent[] specifics, String[] specificTypes, Intent intent, 5900 String resolvedType, int flags, int userId) { 5901 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5902 flags = updateFlagsForResolve(flags, userId, intent); 5903 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5904 false /* requireFullPermission */, false /* checkShell */, 5905 "query intent activity options"); 5906 final String resultsAction = intent.getAction(); 5907 5908 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5909 | PackageManager.GET_RESOLVED_FILTER, userId); 5910 5911 if (DEBUG_INTENT_MATCHING) { 5912 Log.v(TAG, "Query " + intent + ": " + results); 5913 } 5914 5915 int specificsPos = 0; 5916 int N; 5917 5918 // todo: note that the algorithm used here is O(N^2). This 5919 // isn't a problem in our current environment, but if we start running 5920 // into situations where we have more than 5 or 10 matches then this 5921 // should probably be changed to something smarter... 5922 5923 // First we go through and resolve each of the specific items 5924 // that were supplied, taking care of removing any corresponding 5925 // duplicate items in the generic resolve list. 5926 if (specifics != null) { 5927 for (int i=0; i<specifics.length; i++) { 5928 final Intent sintent = specifics[i]; 5929 if (sintent == null) { 5930 continue; 5931 } 5932 5933 if (DEBUG_INTENT_MATCHING) { 5934 Log.v(TAG, "Specific #" + i + ": " + sintent); 5935 } 5936 5937 String action = sintent.getAction(); 5938 if (resultsAction != null && resultsAction.equals(action)) { 5939 // If this action was explicitly requested, then don't 5940 // remove things that have it. 5941 action = null; 5942 } 5943 5944 ResolveInfo ri = null; 5945 ActivityInfo ai = null; 5946 5947 ComponentName comp = sintent.getComponent(); 5948 if (comp == null) { 5949 ri = resolveIntent( 5950 sintent, 5951 specificTypes != null ? specificTypes[i] : null, 5952 flags, userId); 5953 if (ri == null) { 5954 continue; 5955 } 5956 if (ri == mResolveInfo) { 5957 // ACK! Must do something better with this. 5958 } 5959 ai = ri.activityInfo; 5960 comp = new ComponentName(ai.applicationInfo.packageName, 5961 ai.name); 5962 } else { 5963 ai = getActivityInfo(comp, flags, userId); 5964 if (ai == null) { 5965 continue; 5966 } 5967 } 5968 5969 // Look for any generic query activities that are duplicates 5970 // of this specific one, and remove them from the results. 5971 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5972 N = results.size(); 5973 int j; 5974 for (j=specificsPos; j<N; j++) { 5975 ResolveInfo sri = results.get(j); 5976 if ((sri.activityInfo.name.equals(comp.getClassName()) 5977 && sri.activityInfo.applicationInfo.packageName.equals( 5978 comp.getPackageName())) 5979 || (action != null && sri.filter.matchAction(action))) { 5980 results.remove(j); 5981 if (DEBUG_INTENT_MATCHING) Log.v( 5982 TAG, "Removing duplicate item from " + j 5983 + " due to specific " + specificsPos); 5984 if (ri == null) { 5985 ri = sri; 5986 } 5987 j--; 5988 N--; 5989 } 5990 } 5991 5992 // Add this specific item to its proper place. 5993 if (ri == null) { 5994 ri = new ResolveInfo(); 5995 ri.activityInfo = ai; 5996 } 5997 results.add(specificsPos, ri); 5998 ri.specificIndex = i; 5999 specificsPos++; 6000 } 6001 } 6002 6003 // Now we go through the remaining generic results and remove any 6004 // duplicate actions that are found here. 6005 N = results.size(); 6006 for (int i=specificsPos; i<N-1; i++) { 6007 final ResolveInfo rii = results.get(i); 6008 if (rii.filter == null) { 6009 continue; 6010 } 6011 6012 // Iterate over all of the actions of this result's intent 6013 // filter... typically this should be just one. 6014 final Iterator<String> it = rii.filter.actionsIterator(); 6015 if (it == null) { 6016 continue; 6017 } 6018 while (it.hasNext()) { 6019 final String action = it.next(); 6020 if (resultsAction != null && resultsAction.equals(action)) { 6021 // If this action was explicitly requested, then don't 6022 // remove things that have it. 6023 continue; 6024 } 6025 for (int j=i+1; j<N; j++) { 6026 final ResolveInfo rij = results.get(j); 6027 if (rij.filter != null && rij.filter.hasAction(action)) { 6028 results.remove(j); 6029 if (DEBUG_INTENT_MATCHING) Log.v( 6030 TAG, "Removing duplicate item from " + j 6031 + " due to action " + action + " at " + i); 6032 j--; 6033 N--; 6034 } 6035 } 6036 } 6037 6038 // If the caller didn't request filter information, drop it now 6039 // so we don't have to marshall/unmarshall it. 6040 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6041 rii.filter = null; 6042 } 6043 } 6044 6045 // Filter out the caller activity if so requested. 6046 if (caller != null) { 6047 N = results.size(); 6048 for (int i=0; i<N; i++) { 6049 ActivityInfo ainfo = results.get(i).activityInfo; 6050 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6051 && caller.getClassName().equals(ainfo.name)) { 6052 results.remove(i); 6053 break; 6054 } 6055 } 6056 } 6057 6058 // If the caller didn't request filter information, 6059 // drop them now so we don't have to 6060 // marshall/unmarshall it. 6061 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6062 N = results.size(); 6063 for (int i=0; i<N; i++) { 6064 results.get(i).filter = null; 6065 } 6066 } 6067 6068 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6069 return results; 6070 } 6071 6072 @Override 6073 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6074 String resolvedType, int flags, int userId) { 6075 return new ParceledListSlice<>( 6076 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6077 } 6078 6079 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6080 String resolvedType, int flags, int userId) { 6081 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6082 flags = updateFlagsForResolve(flags, userId, intent); 6083 ComponentName comp = intent.getComponent(); 6084 if (comp == null) { 6085 if (intent.getSelector() != null) { 6086 intent = intent.getSelector(); 6087 comp = intent.getComponent(); 6088 } 6089 } 6090 if (comp != null) { 6091 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6092 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6093 if (ai != null) { 6094 ResolveInfo ri = new ResolveInfo(); 6095 ri.activityInfo = ai; 6096 list.add(ri); 6097 } 6098 return list; 6099 } 6100 6101 // reader 6102 synchronized (mPackages) { 6103 String pkgName = intent.getPackage(); 6104 if (pkgName == null) { 6105 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6106 } 6107 final PackageParser.Package pkg = mPackages.get(pkgName); 6108 if (pkg != null) { 6109 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6110 userId); 6111 } 6112 return Collections.emptyList(); 6113 } 6114 } 6115 6116 @Override 6117 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6118 if (!sUserManager.exists(userId)) return null; 6119 flags = updateFlagsForResolve(flags, userId, intent); 6120 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6121 if (query != null) { 6122 if (query.size() >= 1) { 6123 // If there is more than one service with the same priority, 6124 // just arbitrarily pick the first one. 6125 return query.get(0); 6126 } 6127 } 6128 return null; 6129 } 6130 6131 @Override 6132 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6133 String resolvedType, int flags, int userId) { 6134 return new ParceledListSlice<>( 6135 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6136 } 6137 6138 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6139 String resolvedType, int flags, int userId) { 6140 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6141 flags = updateFlagsForResolve(flags, userId, intent); 6142 ComponentName comp = intent.getComponent(); 6143 if (comp == null) { 6144 if (intent.getSelector() != null) { 6145 intent = intent.getSelector(); 6146 comp = intent.getComponent(); 6147 } 6148 } 6149 if (comp != null) { 6150 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6151 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6152 if (si != null) { 6153 final ResolveInfo ri = new ResolveInfo(); 6154 ri.serviceInfo = si; 6155 list.add(ri); 6156 } 6157 return list; 6158 } 6159 6160 // reader 6161 synchronized (mPackages) { 6162 String pkgName = intent.getPackage(); 6163 if (pkgName == null) { 6164 return mServices.queryIntent(intent, resolvedType, flags, userId); 6165 } 6166 final PackageParser.Package pkg = mPackages.get(pkgName); 6167 if (pkg != null) { 6168 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6169 userId); 6170 } 6171 return Collections.emptyList(); 6172 } 6173 } 6174 6175 @Override 6176 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6177 String resolvedType, int flags, int userId) { 6178 return new ParceledListSlice<>( 6179 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6180 } 6181 6182 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6183 Intent intent, String resolvedType, int flags, int userId) { 6184 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6185 flags = updateFlagsForResolve(flags, userId, intent); 6186 ComponentName comp = intent.getComponent(); 6187 if (comp == null) { 6188 if (intent.getSelector() != null) { 6189 intent = intent.getSelector(); 6190 comp = intent.getComponent(); 6191 } 6192 } 6193 if (comp != null) { 6194 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6195 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6196 if (pi != null) { 6197 final ResolveInfo ri = new ResolveInfo(); 6198 ri.providerInfo = pi; 6199 list.add(ri); 6200 } 6201 return list; 6202 } 6203 6204 // reader 6205 synchronized (mPackages) { 6206 String pkgName = intent.getPackage(); 6207 if (pkgName == null) { 6208 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6209 } 6210 final PackageParser.Package pkg = mPackages.get(pkgName); 6211 if (pkg != null) { 6212 return mProviders.queryIntentForPackage( 6213 intent, resolvedType, flags, pkg.providers, userId); 6214 } 6215 return Collections.emptyList(); 6216 } 6217 } 6218 6219 @Override 6220 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6221 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6222 flags = updateFlagsForPackage(flags, userId, null); 6223 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6224 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6225 true /* requireFullPermission */, false /* checkShell */, 6226 "get installed packages"); 6227 6228 // writer 6229 synchronized (mPackages) { 6230 ArrayList<PackageInfo> list; 6231 if (listUninstalled) { 6232 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6233 for (PackageSetting ps : mSettings.mPackages.values()) { 6234 final PackageInfo pi; 6235 if (ps.pkg != null) { 6236 pi = generatePackageInfo(ps, flags, userId); 6237 } else { 6238 pi = generatePackageInfo(ps, flags, userId); 6239 } 6240 if (pi != null) { 6241 list.add(pi); 6242 } 6243 } 6244 } else { 6245 list = new ArrayList<PackageInfo>(mPackages.size()); 6246 for (PackageParser.Package p : mPackages.values()) { 6247 final PackageInfo pi = 6248 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6249 if (pi != null) { 6250 list.add(pi); 6251 } 6252 } 6253 } 6254 6255 return new ParceledListSlice<PackageInfo>(list); 6256 } 6257 } 6258 6259 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6260 String[] permissions, boolean[] tmp, int flags, int userId) { 6261 int numMatch = 0; 6262 final PermissionsState permissionsState = ps.getPermissionsState(); 6263 for (int i=0; i<permissions.length; i++) { 6264 final String permission = permissions[i]; 6265 if (permissionsState.hasPermission(permission, userId)) { 6266 tmp[i] = true; 6267 numMatch++; 6268 } else { 6269 tmp[i] = false; 6270 } 6271 } 6272 if (numMatch == 0) { 6273 return; 6274 } 6275 final PackageInfo pi; 6276 if (ps.pkg != null) { 6277 pi = generatePackageInfo(ps, flags, userId); 6278 } else { 6279 pi = generatePackageInfo(ps, flags, userId); 6280 } 6281 // The above might return null in cases of uninstalled apps or install-state 6282 // skew across users/profiles. 6283 if (pi != null) { 6284 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6285 if (numMatch == permissions.length) { 6286 pi.requestedPermissions = permissions; 6287 } else { 6288 pi.requestedPermissions = new String[numMatch]; 6289 numMatch = 0; 6290 for (int i=0; i<permissions.length; i++) { 6291 if (tmp[i]) { 6292 pi.requestedPermissions[numMatch] = permissions[i]; 6293 numMatch++; 6294 } 6295 } 6296 } 6297 } 6298 list.add(pi); 6299 } 6300 } 6301 6302 @Override 6303 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6304 String[] permissions, int flags, int userId) { 6305 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6306 flags = updateFlagsForPackage(flags, userId, permissions); 6307 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6308 6309 // writer 6310 synchronized (mPackages) { 6311 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6312 boolean[] tmpBools = new boolean[permissions.length]; 6313 if (listUninstalled) { 6314 for (PackageSetting ps : mSettings.mPackages.values()) { 6315 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6316 } 6317 } else { 6318 for (PackageParser.Package pkg : mPackages.values()) { 6319 PackageSetting ps = (PackageSetting)pkg.mExtras; 6320 if (ps != null) { 6321 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6322 userId); 6323 } 6324 } 6325 } 6326 6327 return new ParceledListSlice<PackageInfo>(list); 6328 } 6329 } 6330 6331 @Override 6332 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6333 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6334 flags = updateFlagsForApplication(flags, userId, null); 6335 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6336 6337 // writer 6338 synchronized (mPackages) { 6339 ArrayList<ApplicationInfo> list; 6340 if (listUninstalled) { 6341 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6342 for (PackageSetting ps : mSettings.mPackages.values()) { 6343 ApplicationInfo ai; 6344 if (ps.pkg != null) { 6345 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6346 ps.readUserState(userId), userId); 6347 } else { 6348 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6349 } 6350 if (ai != null) { 6351 list.add(ai); 6352 } 6353 } 6354 } else { 6355 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6356 for (PackageParser.Package p : mPackages.values()) { 6357 if (p.mExtras != null) { 6358 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6359 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6360 if (ai != null) { 6361 list.add(ai); 6362 } 6363 } 6364 } 6365 } 6366 6367 return new ParceledListSlice<ApplicationInfo>(list); 6368 } 6369 } 6370 6371 @Override 6372 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6373 if (DISABLE_EPHEMERAL_APPS) { 6374 return null; 6375 } 6376 6377 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6378 "getEphemeralApplications"); 6379 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6380 true /* requireFullPermission */, false /* checkShell */, 6381 "getEphemeralApplications"); 6382 synchronized (mPackages) { 6383 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6384 .getEphemeralApplicationsLPw(userId); 6385 if (ephemeralApps != null) { 6386 return new ParceledListSlice<>(ephemeralApps); 6387 } 6388 } 6389 return null; 6390 } 6391 6392 @Override 6393 public boolean isEphemeralApplication(String packageName, int userId) { 6394 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6395 true /* requireFullPermission */, false /* checkShell */, 6396 "isEphemeral"); 6397 if (DISABLE_EPHEMERAL_APPS) { 6398 return false; 6399 } 6400 6401 if (!isCallerSameApp(packageName)) { 6402 return false; 6403 } 6404 synchronized (mPackages) { 6405 PackageParser.Package pkg = mPackages.get(packageName); 6406 if (pkg != null) { 6407 return pkg.applicationInfo.isEphemeralApp(); 6408 } 6409 } 6410 return false; 6411 } 6412 6413 @Override 6414 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6415 if (DISABLE_EPHEMERAL_APPS) { 6416 return null; 6417 } 6418 6419 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6420 true /* requireFullPermission */, false /* checkShell */, 6421 "getCookie"); 6422 if (!isCallerSameApp(packageName)) { 6423 return null; 6424 } 6425 synchronized (mPackages) { 6426 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6427 packageName, userId); 6428 } 6429 } 6430 6431 @Override 6432 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6433 if (DISABLE_EPHEMERAL_APPS) { 6434 return true; 6435 } 6436 6437 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6438 true /* requireFullPermission */, true /* checkShell */, 6439 "setCookie"); 6440 if (!isCallerSameApp(packageName)) { 6441 return false; 6442 } 6443 synchronized (mPackages) { 6444 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6445 packageName, cookie, userId); 6446 } 6447 } 6448 6449 @Override 6450 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6451 if (DISABLE_EPHEMERAL_APPS) { 6452 return null; 6453 } 6454 6455 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6456 "getEphemeralApplicationIcon"); 6457 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6458 true /* requireFullPermission */, false /* checkShell */, 6459 "getEphemeralApplicationIcon"); 6460 synchronized (mPackages) { 6461 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6462 packageName, userId); 6463 } 6464 } 6465 6466 private boolean isCallerSameApp(String packageName) { 6467 PackageParser.Package pkg = mPackages.get(packageName); 6468 return pkg != null 6469 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6470 } 6471 6472 @Override 6473 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6474 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6475 } 6476 6477 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6478 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6479 6480 // reader 6481 synchronized (mPackages) { 6482 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6483 final int userId = UserHandle.getCallingUserId(); 6484 while (i.hasNext()) { 6485 final PackageParser.Package p = i.next(); 6486 if (p.applicationInfo == null) continue; 6487 6488 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6489 && !p.applicationInfo.isDirectBootAware(); 6490 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6491 && p.applicationInfo.isDirectBootAware(); 6492 6493 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6494 && (!mSafeMode || isSystemApp(p)) 6495 && (matchesUnaware || matchesAware)) { 6496 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6497 if (ps != null) { 6498 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6499 ps.readUserState(userId), userId); 6500 if (ai != null) { 6501 finalList.add(ai); 6502 } 6503 } 6504 } 6505 } 6506 } 6507 6508 return finalList; 6509 } 6510 6511 @Override 6512 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6513 if (!sUserManager.exists(userId)) return null; 6514 flags = updateFlagsForComponent(flags, userId, name); 6515 // reader 6516 synchronized (mPackages) { 6517 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6518 PackageSetting ps = provider != null 6519 ? mSettings.mPackages.get(provider.owner.packageName) 6520 : null; 6521 return ps != null 6522 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6523 ? PackageParser.generateProviderInfo(provider, flags, 6524 ps.readUserState(userId), userId) 6525 : null; 6526 } 6527 } 6528 6529 /** 6530 * @deprecated 6531 */ 6532 @Deprecated 6533 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6534 // reader 6535 synchronized (mPackages) { 6536 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6537 .entrySet().iterator(); 6538 final int userId = UserHandle.getCallingUserId(); 6539 while (i.hasNext()) { 6540 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6541 PackageParser.Provider p = entry.getValue(); 6542 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6543 6544 if (ps != null && p.syncable 6545 && (!mSafeMode || (p.info.applicationInfo.flags 6546 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6547 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6548 ps.readUserState(userId), userId); 6549 if (info != null) { 6550 outNames.add(entry.getKey()); 6551 outInfo.add(info); 6552 } 6553 } 6554 } 6555 } 6556 } 6557 6558 @Override 6559 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6560 int uid, int flags) { 6561 final int userId = processName != null ? UserHandle.getUserId(uid) 6562 : UserHandle.getCallingUserId(); 6563 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6564 flags = updateFlagsForComponent(flags, userId, processName); 6565 6566 ArrayList<ProviderInfo> finalList = null; 6567 // reader 6568 synchronized (mPackages) { 6569 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6570 while (i.hasNext()) { 6571 final PackageParser.Provider p = i.next(); 6572 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6573 if (ps != null && p.info.authority != null 6574 && (processName == null 6575 || (p.info.processName.equals(processName) 6576 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6577 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6578 if (finalList == null) { 6579 finalList = new ArrayList<ProviderInfo>(3); 6580 } 6581 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6582 ps.readUserState(userId), userId); 6583 if (info != null) { 6584 finalList.add(info); 6585 } 6586 } 6587 } 6588 } 6589 6590 if (finalList != null) { 6591 Collections.sort(finalList, mProviderInitOrderSorter); 6592 return new ParceledListSlice<ProviderInfo>(finalList); 6593 } 6594 6595 return ParceledListSlice.emptyList(); 6596 } 6597 6598 @Override 6599 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6600 // reader 6601 synchronized (mPackages) { 6602 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6603 return PackageParser.generateInstrumentationInfo(i, flags); 6604 } 6605 } 6606 6607 @Override 6608 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6609 String targetPackage, int flags) { 6610 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6611 } 6612 6613 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6614 int flags) { 6615 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6616 6617 // reader 6618 synchronized (mPackages) { 6619 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6620 while (i.hasNext()) { 6621 final PackageParser.Instrumentation p = i.next(); 6622 if (targetPackage == null 6623 || targetPackage.equals(p.info.targetPackage)) { 6624 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6625 flags); 6626 if (ii != null) { 6627 finalList.add(ii); 6628 } 6629 } 6630 } 6631 } 6632 6633 return finalList; 6634 } 6635 6636 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6637 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6638 if (overlays == null) { 6639 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6640 return; 6641 } 6642 for (PackageParser.Package opkg : overlays.values()) { 6643 // Not much to do if idmap fails: we already logged the error 6644 // and we certainly don't want to abort installation of pkg simply 6645 // because an overlay didn't fit properly. For these reasons, 6646 // ignore the return value of createIdmapForPackagePairLI. 6647 createIdmapForPackagePairLI(pkg, opkg); 6648 } 6649 } 6650 6651 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6652 PackageParser.Package opkg) { 6653 if (!opkg.mTrustedOverlay) { 6654 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6655 opkg.baseCodePath + ": overlay not trusted"); 6656 return false; 6657 } 6658 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6659 if (overlaySet == null) { 6660 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6661 opkg.baseCodePath + " but target package has no known overlays"); 6662 return false; 6663 } 6664 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6665 // TODO: generate idmap for split APKs 6666 try { 6667 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6668 } catch (InstallerException e) { 6669 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6670 + opkg.baseCodePath); 6671 return false; 6672 } 6673 PackageParser.Package[] overlayArray = 6674 overlaySet.values().toArray(new PackageParser.Package[0]); 6675 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6676 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6677 return p1.mOverlayPriority - p2.mOverlayPriority; 6678 } 6679 }; 6680 Arrays.sort(overlayArray, cmp); 6681 6682 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6683 int i = 0; 6684 for (PackageParser.Package p : overlayArray) { 6685 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6686 } 6687 return true; 6688 } 6689 6690 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6691 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6692 try { 6693 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6694 } finally { 6695 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6696 } 6697 } 6698 6699 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6700 final File[] files = dir.listFiles(); 6701 if (ArrayUtils.isEmpty(files)) { 6702 Log.d(TAG, "No files in app dir " + dir); 6703 return; 6704 } 6705 6706 if (DEBUG_PACKAGE_SCANNING) { 6707 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6708 + " flags=0x" + Integer.toHexString(parseFlags)); 6709 } 6710 6711 for (File file : files) { 6712 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6713 && !PackageInstallerService.isStageName(file.getName()); 6714 if (!isPackage) { 6715 // Ignore entries which are not packages 6716 continue; 6717 } 6718 try { 6719 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6720 scanFlags, currentTime, null); 6721 } catch (PackageManagerException e) { 6722 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6723 6724 // Delete invalid userdata apps 6725 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6726 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6727 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6728 removeCodePathLI(file); 6729 } 6730 } 6731 } 6732 } 6733 6734 private static File getSettingsProblemFile() { 6735 File dataDir = Environment.getDataDirectory(); 6736 File systemDir = new File(dataDir, "system"); 6737 File fname = new File(systemDir, "uiderrors.txt"); 6738 return fname; 6739 } 6740 6741 static void reportSettingsProblem(int priority, String msg) { 6742 logCriticalInfo(priority, msg); 6743 } 6744 6745 static void logCriticalInfo(int priority, String msg) { 6746 Slog.println(priority, TAG, msg); 6747 EventLogTags.writePmCriticalInfo(msg); 6748 try { 6749 File fname = getSettingsProblemFile(); 6750 FileOutputStream out = new FileOutputStream(fname, true); 6751 PrintWriter pw = new FastPrintWriter(out); 6752 SimpleDateFormat formatter = new SimpleDateFormat(); 6753 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6754 pw.println(dateString + ": " + msg); 6755 pw.close(); 6756 FileUtils.setPermissions( 6757 fname.toString(), 6758 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6759 -1, -1); 6760 } catch (java.io.IOException e) { 6761 } 6762 } 6763 6764 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6765 final int policyFlags) throws PackageManagerException { 6766 if (ps != null 6767 && ps.codePath.equals(srcFile) 6768 && ps.timeStamp == srcFile.lastModified() 6769 && !isCompatSignatureUpdateNeeded(pkg) 6770 && !isRecoverSignatureUpdateNeeded(pkg)) { 6771 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6772 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6773 ArraySet<PublicKey> signingKs; 6774 synchronized (mPackages) { 6775 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6776 } 6777 if (ps.signatures.mSignatures != null 6778 && ps.signatures.mSignatures.length != 0 6779 && signingKs != null) { 6780 // Optimization: reuse the existing cached certificates 6781 // if the package appears to be unchanged. 6782 pkg.mSignatures = ps.signatures.mSignatures; 6783 pkg.mSigningKeys = signingKs; 6784 return; 6785 } 6786 6787 Slog.w(TAG, "PackageSetting for " + ps.name 6788 + " is missing signatures. Collecting certs again to recover them."); 6789 } else { 6790 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6791 } 6792 6793 try { 6794 PackageParser.collectCertificates(pkg, policyFlags); 6795 } catch (PackageParserException e) { 6796 throw PackageManagerException.from(e); 6797 } 6798 } 6799 6800 /** 6801 * Traces a package scan. 6802 * @see #scanPackageLI(File, int, int, long, UserHandle) 6803 */ 6804 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6805 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6806 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6807 try { 6808 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6809 } finally { 6810 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6811 } 6812 } 6813 6814 /** 6815 * Scans a package and returns the newly parsed package. 6816 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6817 */ 6818 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6819 long currentTime, UserHandle user) throws PackageManagerException { 6820 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6821 PackageParser pp = new PackageParser(); 6822 pp.setSeparateProcesses(mSeparateProcesses); 6823 pp.setOnlyCoreApps(mOnlyCore); 6824 pp.setDisplayMetrics(mMetrics); 6825 6826 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6827 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6828 } 6829 6830 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6831 final PackageParser.Package pkg; 6832 try { 6833 pkg = pp.parsePackage(scanFile, parseFlags); 6834 } catch (PackageParserException e) { 6835 throw PackageManagerException.from(e); 6836 } finally { 6837 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6838 } 6839 6840 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6841 } 6842 6843 /** 6844 * Scans a package and returns the newly parsed package. 6845 * @throws PackageManagerException on a parse error. 6846 */ 6847 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6848 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6849 throws PackageManagerException { 6850 // If the package has children and this is the first dive in the function 6851 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6852 // packages (parent and children) would be successfully scanned before the 6853 // actual scan since scanning mutates internal state and we want to atomically 6854 // install the package and its children. 6855 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6856 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6857 scanFlags |= SCAN_CHECK_ONLY; 6858 } 6859 } else { 6860 scanFlags &= ~SCAN_CHECK_ONLY; 6861 } 6862 6863 // Scan the parent 6864 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6865 scanFlags, currentTime, user); 6866 6867 // Scan the children 6868 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6869 for (int i = 0; i < childCount; i++) { 6870 PackageParser.Package childPackage = pkg.childPackages.get(i); 6871 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6872 currentTime, user); 6873 } 6874 6875 6876 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6877 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6878 } 6879 6880 return scannedPkg; 6881 } 6882 6883 /** 6884 * Scans a package and returns the newly parsed package. 6885 * @throws PackageManagerException on a parse error. 6886 */ 6887 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6888 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6889 throws PackageManagerException { 6890 PackageSetting ps = null; 6891 PackageSetting updatedPkg; 6892 // reader 6893 synchronized (mPackages) { 6894 // Look to see if we already know about this package. 6895 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6896 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6897 // This package has been renamed to its original name. Let's 6898 // use that. 6899 ps = mSettings.peekPackageLPr(oldName); 6900 } 6901 // If there was no original package, see one for the real package name. 6902 if (ps == null) { 6903 ps = mSettings.peekPackageLPr(pkg.packageName); 6904 } 6905 // Check to see if this package could be hiding/updating a system 6906 // package. Must look for it either under the original or real 6907 // package name depending on our state. 6908 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6909 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6910 6911 // If this is a package we don't know about on the system partition, we 6912 // may need to remove disabled child packages on the system partition 6913 // or may need to not add child packages if the parent apk is updated 6914 // on the data partition and no longer defines this child package. 6915 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6916 // If this is a parent package for an updated system app and this system 6917 // app got an OTA update which no longer defines some of the child packages 6918 // we have to prune them from the disabled system packages. 6919 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6920 if (disabledPs != null) { 6921 final int scannedChildCount = (pkg.childPackages != null) 6922 ? pkg.childPackages.size() : 0; 6923 final int disabledChildCount = disabledPs.childPackageNames != null 6924 ? disabledPs.childPackageNames.size() : 0; 6925 for (int i = 0; i < disabledChildCount; i++) { 6926 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6927 boolean disabledPackageAvailable = false; 6928 for (int j = 0; j < scannedChildCount; j++) { 6929 PackageParser.Package childPkg = pkg.childPackages.get(j); 6930 if (childPkg.packageName.equals(disabledChildPackageName)) { 6931 disabledPackageAvailable = true; 6932 break; 6933 } 6934 } 6935 if (!disabledPackageAvailable) { 6936 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6937 } 6938 } 6939 } 6940 } 6941 } 6942 6943 boolean updatedPkgBetter = false; 6944 // First check if this is a system package that may involve an update 6945 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6946 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6947 // it needs to drop FLAG_PRIVILEGED. 6948 if (locationIsPrivileged(scanFile)) { 6949 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6950 } else { 6951 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6952 } 6953 6954 if (ps != null && !ps.codePath.equals(scanFile)) { 6955 // The path has changed from what was last scanned... check the 6956 // version of the new path against what we have stored to determine 6957 // what to do. 6958 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6959 if (pkg.mVersionCode <= ps.versionCode) { 6960 // The system package has been updated and the code path does not match 6961 // Ignore entry. Skip it. 6962 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6963 + " ignored: updated version " + ps.versionCode 6964 + " better than this " + pkg.mVersionCode); 6965 if (!updatedPkg.codePath.equals(scanFile)) { 6966 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6967 + ps.name + " changing from " + updatedPkg.codePathString 6968 + " to " + scanFile); 6969 updatedPkg.codePath = scanFile; 6970 updatedPkg.codePathString = scanFile.toString(); 6971 updatedPkg.resourcePath = scanFile; 6972 updatedPkg.resourcePathString = scanFile.toString(); 6973 } 6974 updatedPkg.pkg = pkg; 6975 updatedPkg.versionCode = pkg.mVersionCode; 6976 6977 // Update the disabled system child packages to point to the package too. 6978 final int childCount = updatedPkg.childPackageNames != null 6979 ? updatedPkg.childPackageNames.size() : 0; 6980 for (int i = 0; i < childCount; i++) { 6981 String childPackageName = updatedPkg.childPackageNames.get(i); 6982 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6983 childPackageName); 6984 if (updatedChildPkg != null) { 6985 updatedChildPkg.pkg = pkg; 6986 updatedChildPkg.versionCode = pkg.mVersionCode; 6987 } 6988 } 6989 6990 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6991 + scanFile + " ignored: updated version " + ps.versionCode 6992 + " better than this " + pkg.mVersionCode); 6993 } else { 6994 // The current app on the system partition is better than 6995 // what we have updated to on the data partition; switch 6996 // back to the system partition version. 6997 // At this point, its safely assumed that package installation for 6998 // apps in system partition will go through. If not there won't be a working 6999 // version of the app 7000 // writer 7001 synchronized (mPackages) { 7002 // Just remove the loaded entries from package lists. 7003 mPackages.remove(ps.name); 7004 } 7005 7006 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7007 + " reverting from " + ps.codePathString 7008 + ": new version " + pkg.mVersionCode 7009 + " better than installed " + ps.versionCode); 7010 7011 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7012 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7013 synchronized (mInstallLock) { 7014 args.cleanUpResourcesLI(); 7015 } 7016 synchronized (mPackages) { 7017 mSettings.enableSystemPackageLPw(ps.name); 7018 } 7019 updatedPkgBetter = true; 7020 } 7021 } 7022 } 7023 7024 if (updatedPkg != null) { 7025 // An updated system app will not have the PARSE_IS_SYSTEM flag set 7026 // initially 7027 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 7028 7029 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 7030 // flag set initially 7031 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 7032 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 7033 } 7034 } 7035 7036 // Verify certificates against what was last scanned 7037 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 7038 7039 /* 7040 * A new system app appeared, but we already had a non-system one of the 7041 * same name installed earlier. 7042 */ 7043 boolean shouldHideSystemApp = false; 7044 if (updatedPkg == null && ps != null 7045 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7046 /* 7047 * Check to make sure the signatures match first. If they don't, 7048 * wipe the installed application and its data. 7049 */ 7050 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7051 != PackageManager.SIGNATURE_MATCH) { 7052 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7053 + " signatures don't match existing userdata copy; removing"); 7054 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7055 "scanPackageInternalLI")) { 7056 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7057 } 7058 ps = null; 7059 } else { 7060 /* 7061 * If the newly-added system app is an older version than the 7062 * already installed version, hide it. It will be scanned later 7063 * and re-added like an update. 7064 */ 7065 if (pkg.mVersionCode <= ps.versionCode) { 7066 shouldHideSystemApp = true; 7067 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7068 + " but new version " + pkg.mVersionCode + " better than installed " 7069 + ps.versionCode + "; hiding system"); 7070 } else { 7071 /* 7072 * The newly found system app is a newer version that the 7073 * one previously installed. Simply remove the 7074 * already-installed application and replace it with our own 7075 * while keeping the application data. 7076 */ 7077 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7078 + " reverting from " + ps.codePathString + ": new version " 7079 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7080 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7081 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7082 synchronized (mInstallLock) { 7083 args.cleanUpResourcesLI(); 7084 } 7085 } 7086 } 7087 } 7088 7089 // The apk is forward locked (not public) if its code and resources 7090 // are kept in different files. (except for app in either system or 7091 // vendor path). 7092 // TODO grab this value from PackageSettings 7093 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7094 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7095 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7096 } 7097 } 7098 7099 // TODO: extend to support forward-locked splits 7100 String resourcePath = null; 7101 String baseResourcePath = null; 7102 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7103 if (ps != null && ps.resourcePathString != null) { 7104 resourcePath = ps.resourcePathString; 7105 baseResourcePath = ps.resourcePathString; 7106 } else { 7107 // Should not happen at all. Just log an error. 7108 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7109 } 7110 } else { 7111 resourcePath = pkg.codePath; 7112 baseResourcePath = pkg.baseCodePath; 7113 } 7114 7115 // Set application objects path explicitly. 7116 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7117 pkg.setApplicationInfoCodePath(pkg.codePath); 7118 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7119 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7120 pkg.setApplicationInfoResourcePath(resourcePath); 7121 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7122 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7123 7124 // Note that we invoke the following method only if we are about to unpack an application 7125 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7126 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7127 7128 /* 7129 * If the system app should be overridden by a previously installed 7130 * data, hide the system app now and let the /data/app scan pick it up 7131 * again. 7132 */ 7133 if (shouldHideSystemApp) { 7134 synchronized (mPackages) { 7135 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7136 } 7137 } 7138 7139 return scannedPkg; 7140 } 7141 7142 private static String fixProcessName(String defProcessName, 7143 String processName, int uid) { 7144 if (processName == null) { 7145 return defProcessName; 7146 } 7147 return processName; 7148 } 7149 7150 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7151 throws PackageManagerException { 7152 if (pkgSetting.signatures.mSignatures != null) { 7153 // Already existing package. Make sure signatures match 7154 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7155 == PackageManager.SIGNATURE_MATCH; 7156 if (!match) { 7157 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7158 == PackageManager.SIGNATURE_MATCH; 7159 } 7160 if (!match) { 7161 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7162 == PackageManager.SIGNATURE_MATCH; 7163 } 7164 if (!match) { 7165 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7166 + pkg.packageName + " signatures do not match the " 7167 + "previously installed version; ignoring!"); 7168 } 7169 } 7170 7171 // Check for shared user signatures 7172 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7173 // Already existing package. Make sure signatures match 7174 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7175 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7176 if (!match) { 7177 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7178 == PackageManager.SIGNATURE_MATCH; 7179 } 7180 if (!match) { 7181 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7182 == PackageManager.SIGNATURE_MATCH; 7183 } 7184 if (!match) { 7185 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7186 "Package " + pkg.packageName 7187 + " has no signatures that match those in shared user " 7188 + pkgSetting.sharedUser.name + "; ignoring!"); 7189 } 7190 } 7191 } 7192 7193 /** 7194 * Enforces that only the system UID or root's UID can call a method exposed 7195 * via Binder. 7196 * 7197 * @param message used as message if SecurityException is thrown 7198 * @throws SecurityException if the caller is not system or root 7199 */ 7200 private static final void enforceSystemOrRoot(String message) { 7201 final int uid = Binder.getCallingUid(); 7202 if (uid != Process.SYSTEM_UID && uid != 0) { 7203 throw new SecurityException(message); 7204 } 7205 } 7206 7207 @Override 7208 public void performFstrimIfNeeded() { 7209 enforceSystemOrRoot("Only the system can request fstrim"); 7210 7211 // Before everything else, see whether we need to fstrim. 7212 try { 7213 IMountService ms = PackageHelper.getMountService(); 7214 if (ms != null) { 7215 final boolean isUpgrade = isUpgrade(); 7216 boolean doTrim = isUpgrade; 7217 if (doTrim) { 7218 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7219 } else { 7220 final long interval = android.provider.Settings.Global.getLong( 7221 mContext.getContentResolver(), 7222 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7223 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7224 if (interval > 0) { 7225 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7226 if (timeSinceLast > interval) { 7227 doTrim = true; 7228 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7229 + "; running immediately"); 7230 } 7231 } 7232 } 7233 if (doTrim) { 7234 if (!isFirstBoot()) { 7235 try { 7236 ActivityManagerNative.getDefault().showBootMessage( 7237 mContext.getResources().getString( 7238 R.string.android_upgrading_fstrim), true); 7239 } catch (RemoteException e) { 7240 } 7241 } 7242 ms.runMaintenance(); 7243 } 7244 } else { 7245 Slog.e(TAG, "Mount service unavailable!"); 7246 } 7247 } catch (RemoteException e) { 7248 // Can't happen; MountService is local 7249 } 7250 } 7251 7252 @Override 7253 public void updatePackagesIfNeeded() { 7254 enforceSystemOrRoot("Only the system can request package update"); 7255 7256 // We need to re-extract after an OTA. 7257 boolean causeUpgrade = isUpgrade(); 7258 7259 // First boot or factory reset. 7260 // Note: we also handle devices that are upgrading to N right now as if it is their 7261 // first boot, as they do not have profile data. 7262 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7263 7264 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7265 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7266 7267 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7268 return; 7269 } 7270 7271 List<PackageParser.Package> pkgs; 7272 synchronized (mPackages) { 7273 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7274 } 7275 7276 final long startTime = System.nanoTime(); 7277 final int[] stats = performDexOpt(pkgs, mIsPreNUpgrade /* showDialog */, 7278 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 7279 7280 final int elapsedTimeSeconds = 7281 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7282 7283 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 7284 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 7285 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 7286 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7287 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7288 } 7289 7290 /** 7291 * Performs dexopt on the set of packages in {@code packages} and returns an int array 7292 * containing statistics about the invocation. The array consists of three elements, 7293 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 7294 * and {@code numberOfPackagesFailed}. 7295 */ 7296 private int[] performDexOpt(List<PackageParser.Package> pkgs, boolean showDialog, 7297 String compilerFilter) { 7298 7299 int numberOfPackagesVisited = 0; 7300 int numberOfPackagesOptimized = 0; 7301 int numberOfPackagesSkipped = 0; 7302 int numberOfPackagesFailed = 0; 7303 final int numberOfPackagesToDexopt = pkgs.size(); 7304 7305 for (PackageParser.Package pkg : pkgs) { 7306 numberOfPackagesVisited++; 7307 7308 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7309 if (DEBUG_DEXOPT) { 7310 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7311 } 7312 numberOfPackagesSkipped++; 7313 continue; 7314 } 7315 7316 if (DEBUG_DEXOPT) { 7317 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7318 numberOfPackagesToDexopt + ": " + pkg.packageName); 7319 } 7320 7321 if (showDialog) { 7322 try { 7323 ActivityManagerNative.getDefault().showBootMessage( 7324 mContext.getResources().getString(R.string.android_upgrading_apk, 7325 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7326 } catch (RemoteException e) { 7327 } 7328 } 7329 7330 // checkProfiles is false to avoid merging profiles during boot which 7331 // might interfere with background compilation (b/28612421). 7332 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7333 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7334 // trade-off worth doing to save boot time work. 7335 int dexOptStatus = performDexOptTraced(pkg.packageName, 7336 false /* checkProfiles */, 7337 compilerFilter, 7338 false /* force */); 7339 switch (dexOptStatus) { 7340 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7341 numberOfPackagesOptimized++; 7342 break; 7343 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7344 numberOfPackagesSkipped++; 7345 break; 7346 case PackageDexOptimizer.DEX_OPT_FAILED: 7347 numberOfPackagesFailed++; 7348 break; 7349 default: 7350 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7351 break; 7352 } 7353 } 7354 7355 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 7356 numberOfPackagesFailed }; 7357 } 7358 7359 @Override 7360 public void notifyPackageUse(String packageName, int reason) { 7361 synchronized (mPackages) { 7362 PackageParser.Package p = mPackages.get(packageName); 7363 if (p == null) { 7364 return; 7365 } 7366 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7367 } 7368 } 7369 7370 // TODO: this is not used nor needed. Delete it. 7371 @Override 7372 public boolean performDexOptIfNeeded(String packageName) { 7373 int dexOptStatus = performDexOptTraced(packageName, 7374 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7375 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7376 } 7377 7378 @Override 7379 public boolean performDexOpt(String packageName, 7380 boolean checkProfiles, int compileReason, boolean force) { 7381 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7382 getCompilerFilterForReason(compileReason), force); 7383 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7384 } 7385 7386 @Override 7387 public boolean performDexOptMode(String packageName, 7388 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7389 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7390 targetCompilerFilter, force); 7391 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7392 } 7393 7394 private int performDexOptTraced(String packageName, 7395 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7396 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7397 try { 7398 return performDexOptInternal(packageName, checkProfiles, 7399 targetCompilerFilter, force); 7400 } finally { 7401 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7402 } 7403 } 7404 7405 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7406 // if the package can now be considered up to date for the given filter. 7407 private int performDexOptInternal(String packageName, 7408 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7409 PackageParser.Package p; 7410 synchronized (mPackages) { 7411 p = mPackages.get(packageName); 7412 if (p == null) { 7413 // Package could not be found. Report failure. 7414 return PackageDexOptimizer.DEX_OPT_FAILED; 7415 } 7416 mPackageUsage.write(false); 7417 } 7418 long callingId = Binder.clearCallingIdentity(); 7419 try { 7420 synchronized (mInstallLock) { 7421 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7422 targetCompilerFilter, force); 7423 } 7424 } finally { 7425 Binder.restoreCallingIdentity(callingId); 7426 } 7427 } 7428 7429 public ArraySet<String> getOptimizablePackages() { 7430 ArraySet<String> pkgs = new ArraySet<String>(); 7431 synchronized (mPackages) { 7432 for (PackageParser.Package p : mPackages.values()) { 7433 if (PackageDexOptimizer.canOptimizePackage(p)) { 7434 pkgs.add(p.packageName); 7435 } 7436 } 7437 } 7438 return pkgs; 7439 } 7440 7441 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7442 boolean checkProfiles, String targetCompilerFilter, 7443 boolean force) { 7444 // Select the dex optimizer based on the force parameter. 7445 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7446 // allocate an object here. 7447 PackageDexOptimizer pdo = force 7448 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7449 : mPackageDexOptimizer; 7450 7451 // Optimize all dependencies first. Note: we ignore the return value and march on 7452 // on errors. 7453 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7454 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7455 if (!deps.isEmpty()) { 7456 for (PackageParser.Package depPackage : deps) { 7457 // TODO: Analyze and investigate if we (should) profile libraries. 7458 // Currently this will do a full compilation of the library by default. 7459 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7460 false /* checkProfiles */, 7461 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7462 } 7463 } 7464 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7465 targetCompilerFilter); 7466 } 7467 7468 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7469 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7470 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7471 Set<String> collectedNames = new HashSet<>(); 7472 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7473 7474 retValue.remove(p); 7475 7476 return retValue; 7477 } else { 7478 return Collections.emptyList(); 7479 } 7480 } 7481 7482 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7483 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7484 if (!collectedNames.contains(p.packageName)) { 7485 collectedNames.add(p.packageName); 7486 collected.add(p); 7487 7488 if (p.usesLibraries != null) { 7489 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7490 } 7491 if (p.usesOptionalLibraries != null) { 7492 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7493 collectedNames); 7494 } 7495 } 7496 } 7497 7498 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7499 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7500 for (String libName : libs) { 7501 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7502 if (libPkg != null) { 7503 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7504 } 7505 } 7506 } 7507 7508 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7509 synchronized (mPackages) { 7510 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7511 if (lib != null && lib.apk != null) { 7512 return mPackages.get(lib.apk); 7513 } 7514 } 7515 return null; 7516 } 7517 7518 public void shutdown() { 7519 mPackageUsage.write(true); 7520 } 7521 7522 @Override 7523 public void dumpProfiles(String packageName) { 7524 PackageParser.Package pkg; 7525 synchronized (mPackages) { 7526 pkg = mPackages.get(packageName); 7527 if (pkg == null) { 7528 throw new IllegalArgumentException("Unknown package: " + packageName); 7529 } 7530 } 7531 /* Only the shell, root, or the app user should be able to dump profiles. */ 7532 int callingUid = Binder.getCallingUid(); 7533 if (callingUid != Process.SHELL_UID && 7534 callingUid != Process.ROOT_UID && 7535 callingUid != pkg.applicationInfo.uid) { 7536 throw new SecurityException("dumpProfiles"); 7537 } 7538 7539 synchronized (mInstallLock) { 7540 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7541 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7542 try { 7543 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 7544 String gid = Integer.toString(sharedGid); 7545 String codePaths = TextUtils.join(";", allCodePaths); 7546 mInstaller.dumpProfiles(gid, packageName, codePaths); 7547 } catch (InstallerException e) { 7548 Slog.w(TAG, "Failed to dump profiles", e); 7549 } 7550 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7551 } 7552 } 7553 7554 @Override 7555 public void forceDexOpt(String packageName) { 7556 enforceSystemOrRoot("forceDexOpt"); 7557 7558 PackageParser.Package pkg; 7559 synchronized (mPackages) { 7560 pkg = mPackages.get(packageName); 7561 if (pkg == null) { 7562 throw new IllegalArgumentException("Unknown package: " + packageName); 7563 } 7564 } 7565 7566 synchronized (mInstallLock) { 7567 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7568 7569 // Whoever is calling forceDexOpt wants a fully compiled package. 7570 // Don't use profiles since that may cause compilation to be skipped. 7571 final int res = performDexOptInternalWithDependenciesLI(pkg, 7572 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7573 true /* force */); 7574 7575 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7576 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7577 throw new IllegalStateException("Failed to dexopt: " + res); 7578 } 7579 } 7580 } 7581 7582 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7583 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7584 Slog.w(TAG, "Unable to update from " + oldPkg.name 7585 + " to " + newPkg.packageName 7586 + ": old package not in system partition"); 7587 return false; 7588 } else if (mPackages.get(oldPkg.name) != null) { 7589 Slog.w(TAG, "Unable to update from " + oldPkg.name 7590 + " to " + newPkg.packageName 7591 + ": old package still exists"); 7592 return false; 7593 } 7594 return true; 7595 } 7596 7597 void removeCodePathLI(File codePath) { 7598 if (codePath.isDirectory()) { 7599 try { 7600 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7601 } catch (InstallerException e) { 7602 Slog.w(TAG, "Failed to remove code path", e); 7603 } 7604 } else { 7605 codePath.delete(); 7606 } 7607 } 7608 7609 private int[] resolveUserIds(int userId) { 7610 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7611 } 7612 7613 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7614 if (pkg == null) { 7615 Slog.wtf(TAG, "Package was null!", new Throwable()); 7616 return; 7617 } 7618 clearAppDataLeafLIF(pkg, userId, flags); 7619 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7620 for (int i = 0; i < childCount; i++) { 7621 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7622 } 7623 } 7624 7625 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7626 final PackageSetting ps; 7627 synchronized (mPackages) { 7628 ps = mSettings.mPackages.get(pkg.packageName); 7629 } 7630 for (int realUserId : resolveUserIds(userId)) { 7631 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7632 try { 7633 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7634 ceDataInode); 7635 } catch (InstallerException e) { 7636 Slog.w(TAG, String.valueOf(e)); 7637 } 7638 } 7639 } 7640 7641 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7642 if (pkg == null) { 7643 Slog.wtf(TAG, "Package was null!", new Throwable()); 7644 return; 7645 } 7646 destroyAppDataLeafLIF(pkg, userId, flags); 7647 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7648 for (int i = 0; i < childCount; i++) { 7649 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7650 } 7651 } 7652 7653 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7654 final PackageSetting ps; 7655 synchronized (mPackages) { 7656 ps = mSettings.mPackages.get(pkg.packageName); 7657 } 7658 for (int realUserId : resolveUserIds(userId)) { 7659 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7660 try { 7661 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7662 ceDataInode); 7663 } catch (InstallerException e) { 7664 Slog.w(TAG, String.valueOf(e)); 7665 } 7666 } 7667 } 7668 7669 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7670 if (pkg == null) { 7671 Slog.wtf(TAG, "Package was null!", new Throwable()); 7672 return; 7673 } 7674 destroyAppProfilesLeafLIF(pkg); 7675 destroyAppReferenceProfileLeafLIF(pkg, userId, true /* removeBaseMarker */); 7676 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7677 for (int i = 0; i < childCount; i++) { 7678 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7679 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId, 7680 true /* removeBaseMarker */); 7681 } 7682 } 7683 7684 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId, 7685 boolean removeBaseMarker) { 7686 if (pkg.isForwardLocked()) { 7687 return; 7688 } 7689 7690 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7691 try { 7692 path = PackageManagerServiceUtils.realpath(new File(path)); 7693 } catch (IOException e) { 7694 // TODO: Should we return early here ? 7695 Slog.w(TAG, "Failed to get canonical path", e); 7696 continue; 7697 } 7698 7699 final String useMarker = path.replace('/', '@'); 7700 for (int realUserId : resolveUserIds(userId)) { 7701 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7702 if (removeBaseMarker) { 7703 File foreignUseMark = new File(profileDir, useMarker); 7704 if (foreignUseMark.exists()) { 7705 if (!foreignUseMark.delete()) { 7706 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7707 + pkg.packageName); 7708 } 7709 } 7710 } 7711 7712 File[] markers = profileDir.listFiles(); 7713 if (markers != null) { 7714 final String searchString = "@" + pkg.packageName + "@"; 7715 // We also delete all markers that contain the package name we're 7716 // uninstalling. These are associated with secondary dex-files belonging 7717 // to the package. Reconstructing the path of these dex files is messy 7718 // in general. 7719 for (File marker : markers) { 7720 if (marker.getName().indexOf(searchString) > 0) { 7721 if (!marker.delete()) { 7722 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7723 + pkg.packageName); 7724 } 7725 } 7726 } 7727 } 7728 } 7729 } 7730 } 7731 7732 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7733 try { 7734 mInstaller.destroyAppProfiles(pkg.packageName); 7735 } catch (InstallerException e) { 7736 Slog.w(TAG, String.valueOf(e)); 7737 } 7738 } 7739 7740 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7741 if (pkg == null) { 7742 Slog.wtf(TAG, "Package was null!", new Throwable()); 7743 return; 7744 } 7745 clearAppProfilesLeafLIF(pkg); 7746 // We don't remove the base foreign use marker when clearing profiles because 7747 // we will rename it when the app is updated. Unlike the actual profile contents, 7748 // the foreign use marker is good across installs. 7749 destroyAppReferenceProfileLeafLIF(pkg, userId, false /* removeBaseMarker */); 7750 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7751 for (int i = 0; i < childCount; i++) { 7752 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7753 } 7754 } 7755 7756 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7757 try { 7758 mInstaller.clearAppProfiles(pkg.packageName); 7759 } catch (InstallerException e) { 7760 Slog.w(TAG, String.valueOf(e)); 7761 } 7762 } 7763 7764 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7765 long lastUpdateTime) { 7766 // Set parent install/update time 7767 PackageSetting ps = (PackageSetting) pkg.mExtras; 7768 if (ps != null) { 7769 ps.firstInstallTime = firstInstallTime; 7770 ps.lastUpdateTime = lastUpdateTime; 7771 } 7772 // Set children install/update time 7773 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7774 for (int i = 0; i < childCount; i++) { 7775 PackageParser.Package childPkg = pkg.childPackages.get(i); 7776 ps = (PackageSetting) childPkg.mExtras; 7777 if (ps != null) { 7778 ps.firstInstallTime = firstInstallTime; 7779 ps.lastUpdateTime = lastUpdateTime; 7780 } 7781 } 7782 } 7783 7784 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7785 PackageParser.Package changingLib) { 7786 if (file.path != null) { 7787 usesLibraryFiles.add(file.path); 7788 return; 7789 } 7790 PackageParser.Package p = mPackages.get(file.apk); 7791 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7792 // If we are doing this while in the middle of updating a library apk, 7793 // then we need to make sure to use that new apk for determining the 7794 // dependencies here. (We haven't yet finished committing the new apk 7795 // to the package manager state.) 7796 if (p == null || p.packageName.equals(changingLib.packageName)) { 7797 p = changingLib; 7798 } 7799 } 7800 if (p != null) { 7801 usesLibraryFiles.addAll(p.getAllCodePaths()); 7802 } 7803 } 7804 7805 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7806 PackageParser.Package changingLib) throws PackageManagerException { 7807 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7808 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7809 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7810 for (int i=0; i<N; i++) { 7811 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7812 if (file == null) { 7813 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7814 "Package " + pkg.packageName + " requires unavailable shared library " 7815 + pkg.usesLibraries.get(i) + "; failing!"); 7816 } 7817 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7818 } 7819 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7820 for (int i=0; i<N; i++) { 7821 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7822 if (file == null) { 7823 Slog.w(TAG, "Package " + pkg.packageName 7824 + " desires unavailable shared library " 7825 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7826 } else { 7827 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7828 } 7829 } 7830 N = usesLibraryFiles.size(); 7831 if (N > 0) { 7832 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7833 } else { 7834 pkg.usesLibraryFiles = null; 7835 } 7836 } 7837 } 7838 7839 private static boolean hasString(List<String> list, List<String> which) { 7840 if (list == null) { 7841 return false; 7842 } 7843 for (int i=list.size()-1; i>=0; i--) { 7844 for (int j=which.size()-1; j>=0; j--) { 7845 if (which.get(j).equals(list.get(i))) { 7846 return true; 7847 } 7848 } 7849 } 7850 return false; 7851 } 7852 7853 private void updateAllSharedLibrariesLPw() { 7854 for (PackageParser.Package pkg : mPackages.values()) { 7855 try { 7856 updateSharedLibrariesLPw(pkg, null); 7857 } catch (PackageManagerException e) { 7858 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7859 } 7860 } 7861 } 7862 7863 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7864 PackageParser.Package changingPkg) { 7865 ArrayList<PackageParser.Package> res = null; 7866 for (PackageParser.Package pkg : mPackages.values()) { 7867 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7868 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7869 if (res == null) { 7870 res = new ArrayList<PackageParser.Package>(); 7871 } 7872 res.add(pkg); 7873 try { 7874 updateSharedLibrariesLPw(pkg, changingPkg); 7875 } catch (PackageManagerException e) { 7876 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7877 } 7878 } 7879 } 7880 return res; 7881 } 7882 7883 /** 7884 * Derive the value of the {@code cpuAbiOverride} based on the provided 7885 * value and an optional stored value from the package settings. 7886 */ 7887 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7888 String cpuAbiOverride = null; 7889 7890 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7891 cpuAbiOverride = null; 7892 } else if (abiOverride != null) { 7893 cpuAbiOverride = abiOverride; 7894 } else if (settings != null) { 7895 cpuAbiOverride = settings.cpuAbiOverrideString; 7896 } 7897 7898 return cpuAbiOverride; 7899 } 7900 7901 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7902 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7903 throws PackageManagerException { 7904 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7905 // If the package has children and this is the first dive in the function 7906 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7907 // whether all packages (parent and children) would be successfully scanned 7908 // before the actual scan since scanning mutates internal state and we want 7909 // to atomically install the package and its children. 7910 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7911 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7912 scanFlags |= SCAN_CHECK_ONLY; 7913 } 7914 } else { 7915 scanFlags &= ~SCAN_CHECK_ONLY; 7916 } 7917 7918 final PackageParser.Package scannedPkg; 7919 try { 7920 // Scan the parent 7921 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7922 // Scan the children 7923 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7924 for (int i = 0; i < childCount; i++) { 7925 PackageParser.Package childPkg = pkg.childPackages.get(i); 7926 scanPackageLI(childPkg, policyFlags, 7927 scanFlags, currentTime, user); 7928 } 7929 } finally { 7930 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7931 } 7932 7933 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7934 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7935 } 7936 7937 return scannedPkg; 7938 } 7939 7940 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7941 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7942 boolean success = false; 7943 try { 7944 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7945 currentTime, user); 7946 success = true; 7947 return res; 7948 } finally { 7949 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7950 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7951 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7952 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7953 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7954 } 7955 } 7956 } 7957 7958 /** 7959 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7960 */ 7961 private static boolean apkHasCode(String fileName) { 7962 StrictJarFile jarFile = null; 7963 try { 7964 jarFile = new StrictJarFile(fileName, 7965 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7966 return jarFile.findEntry("classes.dex") != null; 7967 } catch (IOException ignore) { 7968 } finally { 7969 try { 7970 jarFile.close(); 7971 } catch (IOException ignore) {} 7972 } 7973 return false; 7974 } 7975 7976 /** 7977 * Enforces code policy for the package. This ensures that if an APK has 7978 * declared hasCode="true" in its manifest that the APK actually contains 7979 * code. 7980 * 7981 * @throws PackageManagerException If bytecode could not be found when it should exist 7982 */ 7983 private static void enforceCodePolicy(PackageParser.Package pkg) 7984 throws PackageManagerException { 7985 final boolean shouldHaveCode = 7986 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7987 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7988 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7989 "Package " + pkg.baseCodePath + " code is missing"); 7990 } 7991 7992 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7993 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7994 final boolean splitShouldHaveCode = 7995 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7996 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7997 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7998 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7999 } 8000 } 8001 } 8002 } 8003 8004 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 8005 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 8006 throws PackageManagerException { 8007 final File scanFile = new File(pkg.codePath); 8008 if (pkg.applicationInfo.getCodePath() == null || 8009 pkg.applicationInfo.getResourcePath() == null) { 8010 // Bail out. The resource and code paths haven't been set. 8011 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 8012 "Code and resource paths haven't been set correctly"); 8013 } 8014 8015 // Apply policy 8016 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 8017 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 8018 if (pkg.applicationInfo.isDirectBootAware()) { 8019 // we're direct boot aware; set for all components 8020 for (PackageParser.Service s : pkg.services) { 8021 s.info.encryptionAware = s.info.directBootAware = true; 8022 } 8023 for (PackageParser.Provider p : pkg.providers) { 8024 p.info.encryptionAware = p.info.directBootAware = true; 8025 } 8026 for (PackageParser.Activity a : pkg.activities) { 8027 a.info.encryptionAware = a.info.directBootAware = true; 8028 } 8029 for (PackageParser.Activity r : pkg.receivers) { 8030 r.info.encryptionAware = r.info.directBootAware = true; 8031 } 8032 } 8033 } else { 8034 // Only allow system apps to be flagged as core apps. 8035 pkg.coreApp = false; 8036 // clear flags not applicable to regular apps 8037 pkg.applicationInfo.privateFlags &= 8038 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 8039 pkg.applicationInfo.privateFlags &= 8040 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 8041 } 8042 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 8043 8044 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 8045 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8046 } 8047 8048 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 8049 enforceCodePolicy(pkg); 8050 } 8051 8052 if (mCustomResolverComponentName != null && 8053 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 8054 setUpCustomResolverActivity(pkg); 8055 } 8056 8057 if (pkg.packageName.equals("android")) { 8058 synchronized (mPackages) { 8059 if (mAndroidApplication != null) { 8060 Slog.w(TAG, "*************************************************"); 8061 Slog.w(TAG, "Core android package being redefined. Skipping."); 8062 Slog.w(TAG, " file=" + scanFile); 8063 Slog.w(TAG, "*************************************************"); 8064 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8065 "Core android package being redefined. Skipping."); 8066 } 8067 8068 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8069 // Set up information for our fall-back user intent resolution activity. 8070 mPlatformPackage = pkg; 8071 pkg.mVersionCode = mSdkVersion; 8072 mAndroidApplication = pkg.applicationInfo; 8073 8074 if (!mResolverReplaced) { 8075 mResolveActivity.applicationInfo = mAndroidApplication; 8076 mResolveActivity.name = ResolverActivity.class.getName(); 8077 mResolveActivity.packageName = mAndroidApplication.packageName; 8078 mResolveActivity.processName = "system:ui"; 8079 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8080 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8081 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8082 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8083 mResolveActivity.exported = true; 8084 mResolveActivity.enabled = true; 8085 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8086 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8087 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8088 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8089 | ActivityInfo.CONFIG_ORIENTATION 8090 | ActivityInfo.CONFIG_KEYBOARD 8091 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8092 mResolveInfo.activityInfo = mResolveActivity; 8093 mResolveInfo.priority = 0; 8094 mResolveInfo.preferredOrder = 0; 8095 mResolveInfo.match = 0; 8096 mResolveComponentName = new ComponentName( 8097 mAndroidApplication.packageName, mResolveActivity.name); 8098 } 8099 } 8100 } 8101 } 8102 8103 if (DEBUG_PACKAGE_SCANNING) { 8104 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8105 Log.d(TAG, "Scanning package " + pkg.packageName); 8106 } 8107 8108 synchronized (mPackages) { 8109 if (mPackages.containsKey(pkg.packageName) 8110 || mSharedLibraries.containsKey(pkg.packageName)) { 8111 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8112 "Application package " + pkg.packageName 8113 + " already installed. Skipping duplicate."); 8114 } 8115 8116 // If we're only installing presumed-existing packages, require that the 8117 // scanned APK is both already known and at the path previously established 8118 // for it. Previously unknown packages we pick up normally, but if we have an 8119 // a priori expectation about this package's install presence, enforce it. 8120 // With a singular exception for new system packages. When an OTA contains 8121 // a new system package, we allow the codepath to change from a system location 8122 // to the user-installed location. If we don't allow this change, any newer, 8123 // user-installed version of the application will be ignored. 8124 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8125 if (mExpectingBetter.containsKey(pkg.packageName)) { 8126 logCriticalInfo(Log.WARN, 8127 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8128 } else { 8129 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8130 if (known != null) { 8131 if (DEBUG_PACKAGE_SCANNING) { 8132 Log.d(TAG, "Examining " + pkg.codePath 8133 + " and requiring known paths " + known.codePathString 8134 + " & " + known.resourcePathString); 8135 } 8136 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8137 || !pkg.applicationInfo.getResourcePath().equals( 8138 known.resourcePathString)) { 8139 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8140 "Application package " + pkg.packageName 8141 + " found at " + pkg.applicationInfo.getCodePath() 8142 + " but expected at " + known.codePathString 8143 + "; ignoring."); 8144 } 8145 } 8146 } 8147 } 8148 } 8149 8150 // Initialize package source and resource directories 8151 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8152 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8153 8154 SharedUserSetting suid = null; 8155 PackageSetting pkgSetting = null; 8156 8157 if (!isSystemApp(pkg)) { 8158 // Only system apps can use these features. 8159 pkg.mOriginalPackages = null; 8160 pkg.mRealPackage = null; 8161 pkg.mAdoptPermissions = null; 8162 } 8163 8164 // Getting the package setting may have a side-effect, so if we 8165 // are only checking if scan would succeed, stash a copy of the 8166 // old setting to restore at the end. 8167 PackageSetting nonMutatedPs = null; 8168 8169 // writer 8170 synchronized (mPackages) { 8171 if (pkg.mSharedUserId != null) { 8172 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8173 if (suid == null) { 8174 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8175 "Creating application package " + pkg.packageName 8176 + " for shared user failed"); 8177 } 8178 if (DEBUG_PACKAGE_SCANNING) { 8179 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8180 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8181 + "): packages=" + suid.packages); 8182 } 8183 } 8184 8185 // Check if we are renaming from an original package name. 8186 PackageSetting origPackage = null; 8187 String realName = null; 8188 if (pkg.mOriginalPackages != null) { 8189 // This package may need to be renamed to a previously 8190 // installed name. Let's check on that... 8191 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8192 if (pkg.mOriginalPackages.contains(renamed)) { 8193 // This package had originally been installed as the 8194 // original name, and we have already taken care of 8195 // transitioning to the new one. Just update the new 8196 // one to continue using the old name. 8197 realName = pkg.mRealPackage; 8198 if (!pkg.packageName.equals(renamed)) { 8199 // Callers into this function may have already taken 8200 // care of renaming the package; only do it here if 8201 // it is not already done. 8202 pkg.setPackageName(renamed); 8203 } 8204 8205 } else { 8206 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8207 if ((origPackage = mSettings.peekPackageLPr( 8208 pkg.mOriginalPackages.get(i))) != null) { 8209 // We do have the package already installed under its 8210 // original name... should we use it? 8211 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8212 // New package is not compatible with original. 8213 origPackage = null; 8214 continue; 8215 } else if (origPackage.sharedUser != null) { 8216 // Make sure uid is compatible between packages. 8217 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8218 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8219 + " to " + pkg.packageName + ": old uid " 8220 + origPackage.sharedUser.name 8221 + " differs from " + pkg.mSharedUserId); 8222 origPackage = null; 8223 continue; 8224 } 8225 // TODO: Add case when shared user id is added [b/28144775] 8226 } else { 8227 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8228 + pkg.packageName + " to old name " + origPackage.name); 8229 } 8230 break; 8231 } 8232 } 8233 } 8234 } 8235 8236 if (mTransferedPackages.contains(pkg.packageName)) { 8237 Slog.w(TAG, "Package " + pkg.packageName 8238 + " was transferred to another, but its .apk remains"); 8239 } 8240 8241 // See comments in nonMutatedPs declaration 8242 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8243 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8244 if (foundPs != null) { 8245 nonMutatedPs = new PackageSetting(foundPs); 8246 } 8247 } 8248 8249 // Just create the setting, don't add it yet. For already existing packages 8250 // the PkgSetting exists already and doesn't have to be created. 8251 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8252 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8253 pkg.applicationInfo.primaryCpuAbi, 8254 pkg.applicationInfo.secondaryCpuAbi, 8255 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8256 user, false); 8257 if (pkgSetting == null) { 8258 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8259 "Creating application package " + pkg.packageName + " failed"); 8260 } 8261 8262 if (pkgSetting.origPackage != null) { 8263 // If we are first transitioning from an original package, 8264 // fix up the new package's name now. We need to do this after 8265 // looking up the package under its new name, so getPackageLP 8266 // can take care of fiddling things correctly. 8267 pkg.setPackageName(origPackage.name); 8268 8269 // File a report about this. 8270 String msg = "New package " + pkgSetting.realName 8271 + " renamed to replace old package " + pkgSetting.name; 8272 reportSettingsProblem(Log.WARN, msg); 8273 8274 // Make a note of it. 8275 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8276 mTransferedPackages.add(origPackage.name); 8277 } 8278 8279 // No longer need to retain this. 8280 pkgSetting.origPackage = null; 8281 } 8282 8283 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8284 // Make a note of it. 8285 mTransferedPackages.add(pkg.packageName); 8286 } 8287 8288 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8289 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8290 } 8291 8292 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8293 // Check all shared libraries and map to their actual file path. 8294 // We only do this here for apps not on a system dir, because those 8295 // are the only ones that can fail an install due to this. We 8296 // will take care of the system apps by updating all of their 8297 // library paths after the scan is done. 8298 updateSharedLibrariesLPw(pkg, null); 8299 } 8300 8301 if (mFoundPolicyFile) { 8302 SELinuxMMAC.assignSeinfoValue(pkg); 8303 } 8304 8305 pkg.applicationInfo.uid = pkgSetting.appId; 8306 pkg.mExtras = pkgSetting; 8307 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8308 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8309 // We just determined the app is signed correctly, so bring 8310 // over the latest parsed certs. 8311 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8312 } else { 8313 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8314 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8315 "Package " + pkg.packageName + " upgrade keys do not match the " 8316 + "previously installed version"); 8317 } else { 8318 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8319 String msg = "System package " + pkg.packageName 8320 + " signature changed; retaining data."; 8321 reportSettingsProblem(Log.WARN, msg); 8322 } 8323 } 8324 } else { 8325 try { 8326 verifySignaturesLP(pkgSetting, pkg); 8327 // We just determined the app is signed correctly, so bring 8328 // over the latest parsed certs. 8329 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8330 } catch (PackageManagerException e) { 8331 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8332 throw e; 8333 } 8334 // The signature has changed, but this package is in the system 8335 // image... let's recover! 8336 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8337 // However... if this package is part of a shared user, but it 8338 // doesn't match the signature of the shared user, let's fail. 8339 // What this means is that you can't change the signatures 8340 // associated with an overall shared user, which doesn't seem all 8341 // that unreasonable. 8342 if (pkgSetting.sharedUser != null) { 8343 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8344 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8345 throw new PackageManagerException( 8346 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8347 "Signature mismatch for shared user: " 8348 + pkgSetting.sharedUser); 8349 } 8350 } 8351 // File a report about this. 8352 String msg = "System package " + pkg.packageName 8353 + " signature changed; retaining data."; 8354 reportSettingsProblem(Log.WARN, msg); 8355 } 8356 } 8357 // Verify that this new package doesn't have any content providers 8358 // that conflict with existing packages. Only do this if the 8359 // package isn't already installed, since we don't want to break 8360 // things that are installed. 8361 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8362 final int N = pkg.providers.size(); 8363 int i; 8364 for (i=0; i<N; i++) { 8365 PackageParser.Provider p = pkg.providers.get(i); 8366 if (p.info.authority != null) { 8367 String names[] = p.info.authority.split(";"); 8368 for (int j = 0; j < names.length; j++) { 8369 if (mProvidersByAuthority.containsKey(names[j])) { 8370 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8371 final String otherPackageName = 8372 ((other != null && other.getComponentName() != null) ? 8373 other.getComponentName().getPackageName() : "?"); 8374 throw new PackageManagerException( 8375 INSTALL_FAILED_CONFLICTING_PROVIDER, 8376 "Can't install because provider name " + names[j] 8377 + " (in package " + pkg.applicationInfo.packageName 8378 + ") is already used by " + otherPackageName); 8379 } 8380 } 8381 } 8382 } 8383 } 8384 8385 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8386 // This package wants to adopt ownership of permissions from 8387 // another package. 8388 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8389 final String origName = pkg.mAdoptPermissions.get(i); 8390 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8391 if (orig != null) { 8392 if (verifyPackageUpdateLPr(orig, pkg)) { 8393 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8394 + pkg.packageName); 8395 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8396 } 8397 } 8398 } 8399 } 8400 } 8401 8402 final String pkgName = pkg.packageName; 8403 8404 final long scanFileTime = scanFile.lastModified(); 8405 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8406 pkg.applicationInfo.processName = fixProcessName( 8407 pkg.applicationInfo.packageName, 8408 pkg.applicationInfo.processName, 8409 pkg.applicationInfo.uid); 8410 8411 if (pkg != mPlatformPackage) { 8412 // Get all of our default paths setup 8413 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8414 } 8415 8416 final String path = scanFile.getPath(); 8417 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8418 8419 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8420 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8421 8422 // Some system apps still use directory structure for native libraries 8423 // in which case we might end up not detecting abi solely based on apk 8424 // structure. Try to detect abi based on directory structure. 8425 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8426 pkg.applicationInfo.primaryCpuAbi == null) { 8427 setBundledAppAbisAndRoots(pkg, pkgSetting); 8428 setNativeLibraryPaths(pkg); 8429 } 8430 8431 } else { 8432 if ((scanFlags & SCAN_MOVE) != 0) { 8433 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8434 // but we already have this packages package info in the PackageSetting. We just 8435 // use that and derive the native library path based on the new codepath. 8436 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8437 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8438 } 8439 8440 // Set native library paths again. For moves, the path will be updated based on the 8441 // ABIs we've determined above. For non-moves, the path will be updated based on the 8442 // ABIs we determined during compilation, but the path will depend on the final 8443 // package path (after the rename away from the stage path). 8444 setNativeLibraryPaths(pkg); 8445 } 8446 8447 // This is a special case for the "system" package, where the ABI is 8448 // dictated by the zygote configuration (and init.rc). We should keep track 8449 // of this ABI so that we can deal with "normal" applications that run under 8450 // the same UID correctly. 8451 if (mPlatformPackage == pkg) { 8452 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8453 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8454 } 8455 8456 // If there's a mismatch between the abi-override in the package setting 8457 // and the abiOverride specified for the install. Warn about this because we 8458 // would've already compiled the app without taking the package setting into 8459 // account. 8460 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8461 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8462 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8463 " for package " + pkg.packageName); 8464 } 8465 } 8466 8467 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8468 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8469 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8470 8471 // Copy the derived override back to the parsed package, so that we can 8472 // update the package settings accordingly. 8473 pkg.cpuAbiOverride = cpuAbiOverride; 8474 8475 if (DEBUG_ABI_SELECTION) { 8476 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8477 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8478 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8479 } 8480 8481 // Push the derived path down into PackageSettings so we know what to 8482 // clean up at uninstall time. 8483 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8484 8485 if (DEBUG_ABI_SELECTION) { 8486 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8487 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8488 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8489 } 8490 8491 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8492 // We don't do this here during boot because we can do it all 8493 // at once after scanning all existing packages. 8494 // 8495 // We also do this *before* we perform dexopt on this package, so that 8496 // we can avoid redundant dexopts, and also to make sure we've got the 8497 // code and package path correct. 8498 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8499 pkg, true /* boot complete */); 8500 } 8501 8502 if (mFactoryTest && pkg.requestedPermissions.contains( 8503 android.Manifest.permission.FACTORY_TEST)) { 8504 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8505 } 8506 8507 ArrayList<PackageParser.Package> clientLibPkgs = null; 8508 8509 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8510 if (nonMutatedPs != null) { 8511 synchronized (mPackages) { 8512 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8513 } 8514 } 8515 return pkg; 8516 } 8517 8518 // Only privileged apps and updated privileged apps can add child packages. 8519 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8520 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8521 throw new PackageManagerException("Only privileged apps and updated " 8522 + "privileged apps can add child packages. Ignoring package " 8523 + pkg.packageName); 8524 } 8525 final int childCount = pkg.childPackages.size(); 8526 for (int i = 0; i < childCount; i++) { 8527 PackageParser.Package childPkg = pkg.childPackages.get(i); 8528 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8529 childPkg.packageName)) { 8530 throw new PackageManagerException("Cannot override a child package of " 8531 + "another disabled system app. Ignoring package " + pkg.packageName); 8532 } 8533 } 8534 } 8535 8536 // writer 8537 synchronized (mPackages) { 8538 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8539 // Only system apps can add new shared libraries. 8540 if (pkg.libraryNames != null) { 8541 for (int i=0; i<pkg.libraryNames.size(); i++) { 8542 String name = pkg.libraryNames.get(i); 8543 boolean allowed = false; 8544 if (pkg.isUpdatedSystemApp()) { 8545 // New library entries can only be added through the 8546 // system image. This is important to get rid of a lot 8547 // of nasty edge cases: for example if we allowed a non- 8548 // system update of the app to add a library, then uninstalling 8549 // the update would make the library go away, and assumptions 8550 // we made such as through app install filtering would now 8551 // have allowed apps on the device which aren't compatible 8552 // with it. Better to just have the restriction here, be 8553 // conservative, and create many fewer cases that can negatively 8554 // impact the user experience. 8555 final PackageSetting sysPs = mSettings 8556 .getDisabledSystemPkgLPr(pkg.packageName); 8557 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8558 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8559 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8560 allowed = true; 8561 break; 8562 } 8563 } 8564 } 8565 } else { 8566 allowed = true; 8567 } 8568 if (allowed) { 8569 if (!mSharedLibraries.containsKey(name)) { 8570 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8571 } else if (!name.equals(pkg.packageName)) { 8572 Slog.w(TAG, "Package " + pkg.packageName + " library " 8573 + name + " already exists; skipping"); 8574 } 8575 } else { 8576 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8577 + name + " that is not declared on system image; skipping"); 8578 } 8579 } 8580 if ((scanFlags & SCAN_BOOTING) == 0) { 8581 // If we are not booting, we need to update any applications 8582 // that are clients of our shared library. If we are booting, 8583 // this will all be done once the scan is complete. 8584 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8585 } 8586 } 8587 } 8588 } 8589 8590 if ((scanFlags & SCAN_BOOTING) != 0) { 8591 // No apps can run during boot scan, so they don't need to be frozen 8592 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8593 // Caller asked to not kill app, so it's probably not frozen 8594 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8595 // Caller asked us to ignore frozen check for some reason; they 8596 // probably didn't know the package name 8597 } else { 8598 // We're doing major surgery on this package, so it better be frozen 8599 // right now to keep it from launching 8600 checkPackageFrozen(pkgName); 8601 } 8602 8603 // Also need to kill any apps that are dependent on the library. 8604 if (clientLibPkgs != null) { 8605 for (int i=0; i<clientLibPkgs.size(); i++) { 8606 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8607 killApplication(clientPkg.applicationInfo.packageName, 8608 clientPkg.applicationInfo.uid, "update lib"); 8609 } 8610 } 8611 8612 // Make sure we're not adding any bogus keyset info 8613 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8614 ksms.assertScannedPackageValid(pkg); 8615 8616 // writer 8617 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8618 8619 boolean createIdmapFailed = false; 8620 synchronized (mPackages) { 8621 // We don't expect installation to fail beyond this point 8622 8623 if (pkgSetting.pkg != null) { 8624 // Note that |user| might be null during the initial boot scan. If a codePath 8625 // for an app has changed during a boot scan, it's due to an app update that's 8626 // part of the system partition and marker changes must be applied to all users. 8627 maybeRenameForeignDexMarkers(pkgSetting.pkg, pkg, 8628 (user != null) ? user : UserHandle.ALL); 8629 } 8630 8631 // Add the new setting to mSettings 8632 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8633 // Add the new setting to mPackages 8634 mPackages.put(pkg.applicationInfo.packageName, pkg); 8635 // Make sure we don't accidentally delete its data. 8636 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8637 while (iter.hasNext()) { 8638 PackageCleanItem item = iter.next(); 8639 if (pkgName.equals(item.packageName)) { 8640 iter.remove(); 8641 } 8642 } 8643 8644 // Take care of first install / last update times. 8645 if (currentTime != 0) { 8646 if (pkgSetting.firstInstallTime == 0) { 8647 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8648 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8649 pkgSetting.lastUpdateTime = currentTime; 8650 } 8651 } else if (pkgSetting.firstInstallTime == 0) { 8652 // We need *something*. Take time time stamp of the file. 8653 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8654 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8655 if (scanFileTime != pkgSetting.timeStamp) { 8656 // A package on the system image has changed; consider this 8657 // to be an update. 8658 pkgSetting.lastUpdateTime = scanFileTime; 8659 } 8660 } 8661 8662 // Add the package's KeySets to the global KeySetManagerService 8663 ksms.addScannedPackageLPw(pkg); 8664 8665 int N = pkg.providers.size(); 8666 StringBuilder r = null; 8667 int i; 8668 for (i=0; i<N; i++) { 8669 PackageParser.Provider p = pkg.providers.get(i); 8670 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8671 p.info.processName, pkg.applicationInfo.uid); 8672 mProviders.addProvider(p); 8673 p.syncable = p.info.isSyncable; 8674 if (p.info.authority != null) { 8675 String names[] = p.info.authority.split(";"); 8676 p.info.authority = null; 8677 for (int j = 0; j < names.length; j++) { 8678 if (j == 1 && p.syncable) { 8679 // We only want the first authority for a provider to possibly be 8680 // syncable, so if we already added this provider using a different 8681 // authority clear the syncable flag. We copy the provider before 8682 // changing it because the mProviders object contains a reference 8683 // to a provider that we don't want to change. 8684 // Only do this for the second authority since the resulting provider 8685 // object can be the same for all future authorities for this provider. 8686 p = new PackageParser.Provider(p); 8687 p.syncable = false; 8688 } 8689 if (!mProvidersByAuthority.containsKey(names[j])) { 8690 mProvidersByAuthority.put(names[j], p); 8691 if (p.info.authority == null) { 8692 p.info.authority = names[j]; 8693 } else { 8694 p.info.authority = p.info.authority + ";" + names[j]; 8695 } 8696 if (DEBUG_PACKAGE_SCANNING) { 8697 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8698 Log.d(TAG, "Registered content provider: " + names[j] 8699 + ", className = " + p.info.name + ", isSyncable = " 8700 + p.info.isSyncable); 8701 } 8702 } else { 8703 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8704 Slog.w(TAG, "Skipping provider name " + names[j] + 8705 " (in package " + pkg.applicationInfo.packageName + 8706 "): name already used by " 8707 + ((other != null && other.getComponentName() != null) 8708 ? other.getComponentName().getPackageName() : "?")); 8709 } 8710 } 8711 } 8712 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8713 if (r == null) { 8714 r = new StringBuilder(256); 8715 } else { 8716 r.append(' '); 8717 } 8718 r.append(p.info.name); 8719 } 8720 } 8721 if (r != null) { 8722 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8723 } 8724 8725 N = pkg.services.size(); 8726 r = null; 8727 for (i=0; i<N; i++) { 8728 PackageParser.Service s = pkg.services.get(i); 8729 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8730 s.info.processName, pkg.applicationInfo.uid); 8731 mServices.addService(s); 8732 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8733 if (r == null) { 8734 r = new StringBuilder(256); 8735 } else { 8736 r.append(' '); 8737 } 8738 r.append(s.info.name); 8739 } 8740 } 8741 if (r != null) { 8742 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8743 } 8744 8745 N = pkg.receivers.size(); 8746 r = null; 8747 for (i=0; i<N; i++) { 8748 PackageParser.Activity a = pkg.receivers.get(i); 8749 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8750 a.info.processName, pkg.applicationInfo.uid); 8751 mReceivers.addActivity(a, "receiver"); 8752 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8753 if (r == null) { 8754 r = new StringBuilder(256); 8755 } else { 8756 r.append(' '); 8757 } 8758 r.append(a.info.name); 8759 } 8760 } 8761 if (r != null) { 8762 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8763 } 8764 8765 N = pkg.activities.size(); 8766 r = null; 8767 for (i=0; i<N; i++) { 8768 PackageParser.Activity a = pkg.activities.get(i); 8769 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8770 a.info.processName, pkg.applicationInfo.uid); 8771 mActivities.addActivity(a, "activity"); 8772 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8773 if (r == null) { 8774 r = new StringBuilder(256); 8775 } else { 8776 r.append(' '); 8777 } 8778 r.append(a.info.name); 8779 } 8780 } 8781 if (r != null) { 8782 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8783 } 8784 8785 N = pkg.permissionGroups.size(); 8786 r = null; 8787 for (i=0; i<N; i++) { 8788 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8789 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8790 if (cur == null) { 8791 mPermissionGroups.put(pg.info.name, pg); 8792 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8793 if (r == null) { 8794 r = new StringBuilder(256); 8795 } else { 8796 r.append(' '); 8797 } 8798 r.append(pg.info.name); 8799 } 8800 } else { 8801 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8802 + pg.info.packageName + " ignored: original from " 8803 + cur.info.packageName); 8804 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8805 if (r == null) { 8806 r = new StringBuilder(256); 8807 } else { 8808 r.append(' '); 8809 } 8810 r.append("DUP:"); 8811 r.append(pg.info.name); 8812 } 8813 } 8814 } 8815 if (r != null) { 8816 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8817 } 8818 8819 N = pkg.permissions.size(); 8820 r = null; 8821 for (i=0; i<N; i++) { 8822 PackageParser.Permission p = pkg.permissions.get(i); 8823 8824 // Assume by default that we did not install this permission into the system. 8825 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8826 8827 // Now that permission groups have a special meaning, we ignore permission 8828 // groups for legacy apps to prevent unexpected behavior. In particular, 8829 // permissions for one app being granted to someone just becase they happen 8830 // to be in a group defined by another app (before this had no implications). 8831 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8832 p.group = mPermissionGroups.get(p.info.group); 8833 // Warn for a permission in an unknown group. 8834 if (p.info.group != null && p.group == null) { 8835 Slog.w(TAG, "Permission " + p.info.name + " from package " 8836 + p.info.packageName + " in an unknown group " + p.info.group); 8837 } 8838 } 8839 8840 ArrayMap<String, BasePermission> permissionMap = 8841 p.tree ? mSettings.mPermissionTrees 8842 : mSettings.mPermissions; 8843 BasePermission bp = permissionMap.get(p.info.name); 8844 8845 // Allow system apps to redefine non-system permissions 8846 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8847 final boolean currentOwnerIsSystem = (bp.perm != null 8848 && isSystemApp(bp.perm.owner)); 8849 if (isSystemApp(p.owner)) { 8850 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8851 // It's a built-in permission and no owner, take ownership now 8852 bp.packageSetting = pkgSetting; 8853 bp.perm = p; 8854 bp.uid = pkg.applicationInfo.uid; 8855 bp.sourcePackage = p.info.packageName; 8856 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8857 } else if (!currentOwnerIsSystem) { 8858 String msg = "New decl " + p.owner + " of permission " 8859 + p.info.name + " is system; overriding " + bp.sourcePackage; 8860 reportSettingsProblem(Log.WARN, msg); 8861 bp = null; 8862 } 8863 } 8864 } 8865 8866 if (bp == null) { 8867 bp = new BasePermission(p.info.name, p.info.packageName, 8868 BasePermission.TYPE_NORMAL); 8869 permissionMap.put(p.info.name, bp); 8870 } 8871 8872 if (bp.perm == null) { 8873 if (bp.sourcePackage == null 8874 || bp.sourcePackage.equals(p.info.packageName)) { 8875 BasePermission tree = findPermissionTreeLP(p.info.name); 8876 if (tree == null 8877 || tree.sourcePackage.equals(p.info.packageName)) { 8878 bp.packageSetting = pkgSetting; 8879 bp.perm = p; 8880 bp.uid = pkg.applicationInfo.uid; 8881 bp.sourcePackage = p.info.packageName; 8882 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8883 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8884 if (r == null) { 8885 r = new StringBuilder(256); 8886 } else { 8887 r.append(' '); 8888 } 8889 r.append(p.info.name); 8890 } 8891 } else { 8892 Slog.w(TAG, "Permission " + p.info.name + " from package " 8893 + p.info.packageName + " ignored: base tree " 8894 + tree.name + " is from package " 8895 + tree.sourcePackage); 8896 } 8897 } else { 8898 Slog.w(TAG, "Permission " + p.info.name + " from package " 8899 + p.info.packageName + " ignored: original from " 8900 + bp.sourcePackage); 8901 } 8902 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8903 if (r == null) { 8904 r = new StringBuilder(256); 8905 } else { 8906 r.append(' '); 8907 } 8908 r.append("DUP:"); 8909 r.append(p.info.name); 8910 } 8911 if (bp.perm == p) { 8912 bp.protectionLevel = p.info.protectionLevel; 8913 } 8914 } 8915 8916 if (r != null) { 8917 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8918 } 8919 8920 N = pkg.instrumentation.size(); 8921 r = null; 8922 for (i=0; i<N; i++) { 8923 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8924 a.info.packageName = pkg.applicationInfo.packageName; 8925 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8926 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8927 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8928 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8929 a.info.dataDir = pkg.applicationInfo.dataDir; 8930 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8931 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8932 8933 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8934 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8935 mInstrumentation.put(a.getComponentName(), a); 8936 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8937 if (r == null) { 8938 r = new StringBuilder(256); 8939 } else { 8940 r.append(' '); 8941 } 8942 r.append(a.info.name); 8943 } 8944 } 8945 if (r != null) { 8946 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8947 } 8948 8949 if (pkg.protectedBroadcasts != null) { 8950 N = pkg.protectedBroadcasts.size(); 8951 for (i=0; i<N; i++) { 8952 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8953 } 8954 } 8955 8956 pkgSetting.setTimeStamp(scanFileTime); 8957 8958 // Create idmap files for pairs of (packages, overlay packages). 8959 // Note: "android", ie framework-res.apk, is handled by native layers. 8960 if (pkg.mOverlayTarget != null) { 8961 // This is an overlay package. 8962 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8963 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8964 mOverlays.put(pkg.mOverlayTarget, 8965 new ArrayMap<String, PackageParser.Package>()); 8966 } 8967 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8968 map.put(pkg.packageName, pkg); 8969 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8970 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8971 createIdmapFailed = true; 8972 } 8973 } 8974 } else if (mOverlays.containsKey(pkg.packageName) && 8975 !pkg.packageName.equals("android")) { 8976 // This is a regular package, with one or more known overlay packages. 8977 createIdmapsForPackageLI(pkg); 8978 } 8979 } 8980 8981 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8982 8983 if (createIdmapFailed) { 8984 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8985 "scanPackageLI failed to createIdmap"); 8986 } 8987 return pkg; 8988 } 8989 8990 private void maybeRenameForeignDexMarkers(PackageParser.Package existing, 8991 PackageParser.Package update, UserHandle user) { 8992 if (existing.applicationInfo == null || update.applicationInfo == null) { 8993 // This isn't due to an app installation. 8994 return; 8995 } 8996 8997 final File oldCodePath = new File(existing.applicationInfo.getCodePath()); 8998 final File newCodePath = new File(update.applicationInfo.getCodePath()); 8999 9000 // The codePath hasn't changed, so there's nothing for us to do. 9001 if (Objects.equals(oldCodePath, newCodePath)) { 9002 return; 9003 } 9004 9005 File canonicalNewCodePath; 9006 try { 9007 canonicalNewCodePath = new File(PackageManagerServiceUtils.realpath(newCodePath)); 9008 } catch (IOException e) { 9009 Slog.w(TAG, "Failed to get canonical path.", e); 9010 return; 9011 } 9012 9013 // This is a bit of a hack. The oldCodePath doesn't exist at this point (because 9014 // we've already renamed / deleted it) so we cannot call realpath on it. Here we assume 9015 // that the last component of the path (i.e, the name) doesn't need canonicalization 9016 // (i.e, that it isn't ".", ".." or a symbolic link). This is a valid assumption for now 9017 // but may change in the future. Hopefully this function won't exist at that point. 9018 final File canonicalOldCodePath = new File(canonicalNewCodePath.getParentFile(), 9019 oldCodePath.getName()); 9020 9021 // Calculate the prefixes of the markers. These are just the paths with "/" replaced 9022 // with "@". 9023 String oldMarkerPrefix = canonicalOldCodePath.getAbsolutePath().replace('/', '@'); 9024 if (!oldMarkerPrefix.endsWith("@")) { 9025 oldMarkerPrefix += "@"; 9026 } 9027 String newMarkerPrefix = canonicalNewCodePath.getAbsolutePath().replace('/', '@'); 9028 if (!newMarkerPrefix.endsWith("@")) { 9029 newMarkerPrefix += "@"; 9030 } 9031 9032 List<String> updatedPaths = update.getAllCodePathsExcludingResourceOnly(); 9033 List<String> markerSuffixes = new ArrayList<String>(updatedPaths.size()); 9034 for (String updatedPath : updatedPaths) { 9035 String updatedPathName = new File(updatedPath).getName(); 9036 markerSuffixes.add(updatedPathName.replace('/', '@')); 9037 } 9038 9039 for (int userId : resolveUserIds(user.getIdentifier())) { 9040 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(userId); 9041 9042 for (String markerSuffix : markerSuffixes) { 9043 File oldForeignUseMark = new File(profileDir, oldMarkerPrefix + markerSuffix); 9044 File newForeignUseMark = new File(profileDir, newMarkerPrefix + markerSuffix); 9045 if (oldForeignUseMark.exists()) { 9046 try { 9047 Os.rename(oldForeignUseMark.getAbsolutePath(), 9048 newForeignUseMark.getAbsolutePath()); 9049 } catch (ErrnoException e) { 9050 Slog.w(TAG, "Failed to rename foreign use marker", e); 9051 oldForeignUseMark.delete(); 9052 } 9053 } 9054 } 9055 } 9056 } 9057 9058 /** 9059 * Derive the ABI of a non-system package located at {@code scanFile}. This information 9060 * is derived purely on the basis of the contents of {@code scanFile} and 9061 * {@code cpuAbiOverride}. 9062 * 9063 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 9064 */ 9065 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 9066 String cpuAbiOverride, boolean extractLibs) 9067 throws PackageManagerException { 9068 // TODO: We can probably be smarter about this stuff. For installed apps, 9069 // we can calculate this information at install time once and for all. For 9070 // system apps, we can probably assume that this information doesn't change 9071 // after the first boot scan. As things stand, we do lots of unnecessary work. 9072 9073 // Give ourselves some initial paths; we'll come back for another 9074 // pass once we've determined ABI below. 9075 setNativeLibraryPaths(pkg); 9076 9077 // We would never need to extract libs for forward-locked and external packages, 9078 // since the container service will do it for us. We shouldn't attempt to 9079 // extract libs from system app when it was not updated. 9080 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 9081 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 9082 extractLibs = false; 9083 } 9084 9085 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 9086 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 9087 9088 NativeLibraryHelper.Handle handle = null; 9089 try { 9090 handle = NativeLibraryHelper.Handle.create(pkg); 9091 // TODO(multiArch): This can be null for apps that didn't go through the 9092 // usual installation process. We can calculate it again, like we 9093 // do during install time. 9094 // 9095 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 9096 // unnecessary. 9097 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 9098 9099 // Null out the abis so that they can be recalculated. 9100 pkg.applicationInfo.primaryCpuAbi = null; 9101 pkg.applicationInfo.secondaryCpuAbi = null; 9102 if (isMultiArch(pkg.applicationInfo)) { 9103 // Warn if we've set an abiOverride for multi-lib packages.. 9104 // By definition, we need to copy both 32 and 64 bit libraries for 9105 // such packages. 9106 if (pkg.cpuAbiOverride != null 9107 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 9108 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9109 } 9110 9111 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 9112 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 9113 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9114 if (extractLibs) { 9115 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9116 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 9117 useIsaSpecificSubdirs); 9118 } else { 9119 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 9120 } 9121 } 9122 9123 maybeThrowExceptionForMultiArchCopy( 9124 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 9125 9126 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9127 if (extractLibs) { 9128 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9129 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 9130 useIsaSpecificSubdirs); 9131 } else { 9132 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 9133 } 9134 } 9135 9136 maybeThrowExceptionForMultiArchCopy( 9137 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9138 9139 if (abi64 >= 0) { 9140 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9141 } 9142 9143 if (abi32 >= 0) { 9144 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9145 if (abi64 >= 0) { 9146 if (pkg.use32bitAbi) { 9147 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9148 pkg.applicationInfo.primaryCpuAbi = abi; 9149 } else { 9150 pkg.applicationInfo.secondaryCpuAbi = abi; 9151 } 9152 } else { 9153 pkg.applicationInfo.primaryCpuAbi = abi; 9154 } 9155 } 9156 9157 } else { 9158 String[] abiList = (cpuAbiOverride != null) ? 9159 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9160 9161 // Enable gross and lame hacks for apps that are built with old 9162 // SDK tools. We must scan their APKs for renderscript bitcode and 9163 // not launch them if it's present. Don't bother checking on devices 9164 // that don't have 64 bit support. 9165 boolean needsRenderScriptOverride = false; 9166 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9167 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9168 abiList = Build.SUPPORTED_32_BIT_ABIS; 9169 needsRenderScriptOverride = true; 9170 } 9171 9172 final int copyRet; 9173 if (extractLibs) { 9174 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9175 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9176 } else { 9177 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9178 } 9179 9180 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9181 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9182 "Error unpackaging native libs for app, errorCode=" + copyRet); 9183 } 9184 9185 if (copyRet >= 0) { 9186 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9187 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9188 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9189 } else if (needsRenderScriptOverride) { 9190 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9191 } 9192 } 9193 } catch (IOException ioe) { 9194 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9195 } finally { 9196 IoUtils.closeQuietly(handle); 9197 } 9198 9199 // Now that we've calculated the ABIs and determined if it's an internal app, 9200 // we will go ahead and populate the nativeLibraryPath. 9201 setNativeLibraryPaths(pkg); 9202 } 9203 9204 /** 9205 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9206 * i.e, so that all packages can be run inside a single process if required. 9207 * 9208 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9209 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9210 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9211 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9212 * updating a package that belongs to a shared user. 9213 * 9214 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9215 * adds unnecessary complexity. 9216 */ 9217 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9218 PackageParser.Package scannedPackage, boolean bootComplete) { 9219 String requiredInstructionSet = null; 9220 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9221 requiredInstructionSet = VMRuntime.getInstructionSet( 9222 scannedPackage.applicationInfo.primaryCpuAbi); 9223 } 9224 9225 PackageSetting requirer = null; 9226 for (PackageSetting ps : packagesForUser) { 9227 // If packagesForUser contains scannedPackage, we skip it. This will happen 9228 // when scannedPackage is an update of an existing package. Without this check, 9229 // we will never be able to change the ABI of any package belonging to a shared 9230 // user, even if it's compatible with other packages. 9231 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9232 if (ps.primaryCpuAbiString == null) { 9233 continue; 9234 } 9235 9236 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9237 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9238 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9239 // this but there's not much we can do. 9240 String errorMessage = "Instruction set mismatch, " 9241 + ((requirer == null) ? "[caller]" : requirer) 9242 + " requires " + requiredInstructionSet + " whereas " + ps 9243 + " requires " + instructionSet; 9244 Slog.w(TAG, errorMessage); 9245 } 9246 9247 if (requiredInstructionSet == null) { 9248 requiredInstructionSet = instructionSet; 9249 requirer = ps; 9250 } 9251 } 9252 } 9253 9254 if (requiredInstructionSet != null) { 9255 String adjustedAbi; 9256 if (requirer != null) { 9257 // requirer != null implies that either scannedPackage was null or that scannedPackage 9258 // did not require an ABI, in which case we have to adjust scannedPackage to match 9259 // the ABI of the set (which is the same as requirer's ABI) 9260 adjustedAbi = requirer.primaryCpuAbiString; 9261 if (scannedPackage != null) { 9262 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9263 } 9264 } else { 9265 // requirer == null implies that we're updating all ABIs in the set to 9266 // match scannedPackage. 9267 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9268 } 9269 9270 for (PackageSetting ps : packagesForUser) { 9271 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9272 if (ps.primaryCpuAbiString != null) { 9273 continue; 9274 } 9275 9276 ps.primaryCpuAbiString = adjustedAbi; 9277 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9278 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9279 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9280 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9281 + " (requirer=" 9282 + (requirer == null ? "null" : requirer.pkg.packageName) 9283 + ", scannedPackage=" 9284 + (scannedPackage != null ? scannedPackage.packageName : "null") 9285 + ")"); 9286 try { 9287 mInstaller.rmdex(ps.codePathString, 9288 getDexCodeInstructionSet(getPreferredInstructionSet())); 9289 } catch (InstallerException ignored) { 9290 } 9291 } 9292 } 9293 } 9294 } 9295 } 9296 9297 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9298 synchronized (mPackages) { 9299 mResolverReplaced = true; 9300 // Set up information for custom user intent resolution activity. 9301 mResolveActivity.applicationInfo = pkg.applicationInfo; 9302 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9303 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9304 mResolveActivity.processName = pkg.applicationInfo.packageName; 9305 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9306 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9307 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9308 mResolveActivity.theme = 0; 9309 mResolveActivity.exported = true; 9310 mResolveActivity.enabled = true; 9311 mResolveInfo.activityInfo = mResolveActivity; 9312 mResolveInfo.priority = 0; 9313 mResolveInfo.preferredOrder = 0; 9314 mResolveInfo.match = 0; 9315 mResolveComponentName = mCustomResolverComponentName; 9316 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9317 mResolveComponentName); 9318 } 9319 } 9320 9321 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9322 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9323 9324 // Set up information for ephemeral installer activity 9325 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9326 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9327 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9328 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9329 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9330 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9331 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9332 mEphemeralInstallerActivity.theme = 0; 9333 mEphemeralInstallerActivity.exported = true; 9334 mEphemeralInstallerActivity.enabled = true; 9335 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9336 mEphemeralInstallerInfo.priority = 0; 9337 mEphemeralInstallerInfo.preferredOrder = 0; 9338 mEphemeralInstallerInfo.match = 0; 9339 9340 if (DEBUG_EPHEMERAL) { 9341 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9342 } 9343 } 9344 9345 private static String calculateBundledApkRoot(final String codePathString) { 9346 final File codePath = new File(codePathString); 9347 final File codeRoot; 9348 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9349 codeRoot = Environment.getRootDirectory(); 9350 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9351 codeRoot = Environment.getOemDirectory(); 9352 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9353 codeRoot = Environment.getVendorDirectory(); 9354 } else { 9355 // Unrecognized code path; take its top real segment as the apk root: 9356 // e.g. /something/app/blah.apk => /something 9357 try { 9358 File f = codePath.getCanonicalFile(); 9359 File parent = f.getParentFile(); // non-null because codePath is a file 9360 File tmp; 9361 while ((tmp = parent.getParentFile()) != null) { 9362 f = parent; 9363 parent = tmp; 9364 } 9365 codeRoot = f; 9366 Slog.w(TAG, "Unrecognized code path " 9367 + codePath + " - using " + codeRoot); 9368 } catch (IOException e) { 9369 // Can't canonicalize the code path -- shenanigans? 9370 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9371 return Environment.getRootDirectory().getPath(); 9372 } 9373 } 9374 return codeRoot.getPath(); 9375 } 9376 9377 /** 9378 * Derive and set the location of native libraries for the given package, 9379 * which varies depending on where and how the package was installed. 9380 */ 9381 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9382 final ApplicationInfo info = pkg.applicationInfo; 9383 final String codePath = pkg.codePath; 9384 final File codeFile = new File(codePath); 9385 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9386 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9387 9388 info.nativeLibraryRootDir = null; 9389 info.nativeLibraryRootRequiresIsa = false; 9390 info.nativeLibraryDir = null; 9391 info.secondaryNativeLibraryDir = null; 9392 9393 if (isApkFile(codeFile)) { 9394 // Monolithic install 9395 if (bundledApp) { 9396 // If "/system/lib64/apkname" exists, assume that is the per-package 9397 // native library directory to use; otherwise use "/system/lib/apkname". 9398 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9399 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9400 getPrimaryInstructionSet(info)); 9401 9402 // This is a bundled system app so choose the path based on the ABI. 9403 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9404 // is just the default path. 9405 final String apkName = deriveCodePathName(codePath); 9406 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9407 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9408 apkName).getAbsolutePath(); 9409 9410 if (info.secondaryCpuAbi != null) { 9411 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9412 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9413 secondaryLibDir, apkName).getAbsolutePath(); 9414 } 9415 } else if (asecApp) { 9416 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9417 .getAbsolutePath(); 9418 } else { 9419 final String apkName = deriveCodePathName(codePath); 9420 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9421 .getAbsolutePath(); 9422 } 9423 9424 info.nativeLibraryRootRequiresIsa = false; 9425 info.nativeLibraryDir = info.nativeLibraryRootDir; 9426 } else { 9427 // Cluster install 9428 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9429 info.nativeLibraryRootRequiresIsa = true; 9430 9431 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9432 getPrimaryInstructionSet(info)).getAbsolutePath(); 9433 9434 if (info.secondaryCpuAbi != null) { 9435 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9436 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9437 } 9438 } 9439 } 9440 9441 /** 9442 * Calculate the abis and roots for a bundled app. These can uniquely 9443 * be determined from the contents of the system partition, i.e whether 9444 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9445 * of this information, and instead assume that the system was built 9446 * sensibly. 9447 */ 9448 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9449 PackageSetting pkgSetting) { 9450 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9451 9452 // If "/system/lib64/apkname" exists, assume that is the per-package 9453 // native library directory to use; otherwise use "/system/lib/apkname". 9454 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9455 setBundledAppAbi(pkg, apkRoot, apkName); 9456 // pkgSetting might be null during rescan following uninstall of updates 9457 // to a bundled app, so accommodate that possibility. The settings in 9458 // that case will be established later from the parsed package. 9459 // 9460 // If the settings aren't null, sync them up with what we've just derived. 9461 // note that apkRoot isn't stored in the package settings. 9462 if (pkgSetting != null) { 9463 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9464 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9465 } 9466 } 9467 9468 /** 9469 * Deduces the ABI of a bundled app and sets the relevant fields on the 9470 * parsed pkg object. 9471 * 9472 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9473 * under which system libraries are installed. 9474 * @param apkName the name of the installed package. 9475 */ 9476 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9477 final File codeFile = new File(pkg.codePath); 9478 9479 final boolean has64BitLibs; 9480 final boolean has32BitLibs; 9481 if (isApkFile(codeFile)) { 9482 // Monolithic install 9483 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9484 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9485 } else { 9486 // Cluster install 9487 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9488 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9489 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9490 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9491 has64BitLibs = (new File(rootDir, isa)).exists(); 9492 } else { 9493 has64BitLibs = false; 9494 } 9495 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9496 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9497 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9498 has32BitLibs = (new File(rootDir, isa)).exists(); 9499 } else { 9500 has32BitLibs = false; 9501 } 9502 } 9503 9504 if (has64BitLibs && !has32BitLibs) { 9505 // The package has 64 bit libs, but not 32 bit libs. Its primary 9506 // ABI should be 64 bit. We can safely assume here that the bundled 9507 // native libraries correspond to the most preferred ABI in the list. 9508 9509 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9510 pkg.applicationInfo.secondaryCpuAbi = null; 9511 } else if (has32BitLibs && !has64BitLibs) { 9512 // The package has 32 bit libs but not 64 bit libs. Its primary 9513 // ABI should be 32 bit. 9514 9515 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9516 pkg.applicationInfo.secondaryCpuAbi = null; 9517 } else if (has32BitLibs && has64BitLibs) { 9518 // The application has both 64 and 32 bit bundled libraries. We check 9519 // here that the app declares multiArch support, and warn if it doesn't. 9520 // 9521 // We will be lenient here and record both ABIs. The primary will be the 9522 // ABI that's higher on the list, i.e, a device that's configured to prefer 9523 // 64 bit apps will see a 64 bit primary ABI, 9524 9525 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9526 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9527 } 9528 9529 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9530 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9531 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9532 } else { 9533 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9534 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9535 } 9536 } else { 9537 pkg.applicationInfo.primaryCpuAbi = null; 9538 pkg.applicationInfo.secondaryCpuAbi = null; 9539 } 9540 } 9541 9542 private void killApplication(String pkgName, int appId, String reason) { 9543 // Request the ActivityManager to kill the process(only for existing packages) 9544 // so that we do not end up in a confused state while the user is still using the older 9545 // version of the application while the new one gets installed. 9546 final long token = Binder.clearCallingIdentity(); 9547 try { 9548 IActivityManager am = ActivityManagerNative.getDefault(); 9549 if (am != null) { 9550 try { 9551 am.killApplicationWithAppId(pkgName, appId, reason); 9552 } catch (RemoteException e) { 9553 } 9554 } 9555 } finally { 9556 Binder.restoreCallingIdentity(token); 9557 } 9558 } 9559 9560 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9561 // Remove the parent package setting 9562 PackageSetting ps = (PackageSetting) pkg.mExtras; 9563 if (ps != null) { 9564 removePackageLI(ps, chatty); 9565 } 9566 // Remove the child package setting 9567 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9568 for (int i = 0; i < childCount; i++) { 9569 PackageParser.Package childPkg = pkg.childPackages.get(i); 9570 ps = (PackageSetting) childPkg.mExtras; 9571 if (ps != null) { 9572 removePackageLI(ps, chatty); 9573 } 9574 } 9575 } 9576 9577 void removePackageLI(PackageSetting ps, boolean chatty) { 9578 if (DEBUG_INSTALL) { 9579 if (chatty) 9580 Log.d(TAG, "Removing package " + ps.name); 9581 } 9582 9583 // writer 9584 synchronized (mPackages) { 9585 mPackages.remove(ps.name); 9586 final PackageParser.Package pkg = ps.pkg; 9587 if (pkg != null) { 9588 cleanPackageDataStructuresLILPw(pkg, chatty); 9589 } 9590 } 9591 } 9592 9593 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9594 if (DEBUG_INSTALL) { 9595 if (chatty) 9596 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9597 } 9598 9599 // writer 9600 synchronized (mPackages) { 9601 // Remove the parent package 9602 mPackages.remove(pkg.applicationInfo.packageName); 9603 cleanPackageDataStructuresLILPw(pkg, chatty); 9604 9605 // Remove the child packages 9606 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9607 for (int i = 0; i < childCount; i++) { 9608 PackageParser.Package childPkg = pkg.childPackages.get(i); 9609 mPackages.remove(childPkg.applicationInfo.packageName); 9610 cleanPackageDataStructuresLILPw(childPkg, chatty); 9611 } 9612 } 9613 } 9614 9615 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9616 int N = pkg.providers.size(); 9617 StringBuilder r = null; 9618 int i; 9619 for (i=0; i<N; i++) { 9620 PackageParser.Provider p = pkg.providers.get(i); 9621 mProviders.removeProvider(p); 9622 if (p.info.authority == null) { 9623 9624 /* There was another ContentProvider with this authority when 9625 * this app was installed so this authority is null, 9626 * Ignore it as we don't have to unregister the provider. 9627 */ 9628 continue; 9629 } 9630 String names[] = p.info.authority.split(";"); 9631 for (int j = 0; j < names.length; j++) { 9632 if (mProvidersByAuthority.get(names[j]) == p) { 9633 mProvidersByAuthority.remove(names[j]); 9634 if (DEBUG_REMOVE) { 9635 if (chatty) 9636 Log.d(TAG, "Unregistered content provider: " + names[j] 9637 + ", className = " + p.info.name + ", isSyncable = " 9638 + p.info.isSyncable); 9639 } 9640 } 9641 } 9642 if (DEBUG_REMOVE && chatty) { 9643 if (r == null) { 9644 r = new StringBuilder(256); 9645 } else { 9646 r.append(' '); 9647 } 9648 r.append(p.info.name); 9649 } 9650 } 9651 if (r != null) { 9652 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9653 } 9654 9655 N = pkg.services.size(); 9656 r = null; 9657 for (i=0; i<N; i++) { 9658 PackageParser.Service s = pkg.services.get(i); 9659 mServices.removeService(s); 9660 if (chatty) { 9661 if (r == null) { 9662 r = new StringBuilder(256); 9663 } else { 9664 r.append(' '); 9665 } 9666 r.append(s.info.name); 9667 } 9668 } 9669 if (r != null) { 9670 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9671 } 9672 9673 N = pkg.receivers.size(); 9674 r = null; 9675 for (i=0; i<N; i++) { 9676 PackageParser.Activity a = pkg.receivers.get(i); 9677 mReceivers.removeActivity(a, "receiver"); 9678 if (DEBUG_REMOVE && chatty) { 9679 if (r == null) { 9680 r = new StringBuilder(256); 9681 } else { 9682 r.append(' '); 9683 } 9684 r.append(a.info.name); 9685 } 9686 } 9687 if (r != null) { 9688 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9689 } 9690 9691 N = pkg.activities.size(); 9692 r = null; 9693 for (i=0; i<N; i++) { 9694 PackageParser.Activity a = pkg.activities.get(i); 9695 mActivities.removeActivity(a, "activity"); 9696 if (DEBUG_REMOVE && chatty) { 9697 if (r == null) { 9698 r = new StringBuilder(256); 9699 } else { 9700 r.append(' '); 9701 } 9702 r.append(a.info.name); 9703 } 9704 } 9705 if (r != null) { 9706 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9707 } 9708 9709 N = pkg.permissions.size(); 9710 r = null; 9711 for (i=0; i<N; i++) { 9712 PackageParser.Permission p = pkg.permissions.get(i); 9713 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9714 if (bp == null) { 9715 bp = mSettings.mPermissionTrees.get(p.info.name); 9716 } 9717 if (bp != null && bp.perm == p) { 9718 bp.perm = null; 9719 if (DEBUG_REMOVE && chatty) { 9720 if (r == null) { 9721 r = new StringBuilder(256); 9722 } else { 9723 r.append(' '); 9724 } 9725 r.append(p.info.name); 9726 } 9727 } 9728 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9729 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9730 if (appOpPkgs != null) { 9731 appOpPkgs.remove(pkg.packageName); 9732 } 9733 } 9734 } 9735 if (r != null) { 9736 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9737 } 9738 9739 N = pkg.requestedPermissions.size(); 9740 r = null; 9741 for (i=0; i<N; i++) { 9742 String perm = pkg.requestedPermissions.get(i); 9743 BasePermission bp = mSettings.mPermissions.get(perm); 9744 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9745 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9746 if (appOpPkgs != null) { 9747 appOpPkgs.remove(pkg.packageName); 9748 if (appOpPkgs.isEmpty()) { 9749 mAppOpPermissionPackages.remove(perm); 9750 } 9751 } 9752 } 9753 } 9754 if (r != null) { 9755 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9756 } 9757 9758 N = pkg.instrumentation.size(); 9759 r = null; 9760 for (i=0; i<N; i++) { 9761 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9762 mInstrumentation.remove(a.getComponentName()); 9763 if (DEBUG_REMOVE && chatty) { 9764 if (r == null) { 9765 r = new StringBuilder(256); 9766 } else { 9767 r.append(' '); 9768 } 9769 r.append(a.info.name); 9770 } 9771 } 9772 if (r != null) { 9773 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9774 } 9775 9776 r = null; 9777 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9778 // Only system apps can hold shared libraries. 9779 if (pkg.libraryNames != null) { 9780 for (i=0; i<pkg.libraryNames.size(); i++) { 9781 String name = pkg.libraryNames.get(i); 9782 SharedLibraryEntry cur = mSharedLibraries.get(name); 9783 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9784 mSharedLibraries.remove(name); 9785 if (DEBUG_REMOVE && chatty) { 9786 if (r == null) { 9787 r = new StringBuilder(256); 9788 } else { 9789 r.append(' '); 9790 } 9791 r.append(name); 9792 } 9793 } 9794 } 9795 } 9796 } 9797 if (r != null) { 9798 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9799 } 9800 } 9801 9802 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9803 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9804 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9805 return true; 9806 } 9807 } 9808 return false; 9809 } 9810 9811 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9812 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9813 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9814 9815 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9816 // Update the parent permissions 9817 updatePermissionsLPw(pkg.packageName, pkg, flags); 9818 // Update the child permissions 9819 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9820 for (int i = 0; i < childCount; i++) { 9821 PackageParser.Package childPkg = pkg.childPackages.get(i); 9822 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9823 } 9824 } 9825 9826 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9827 int flags) { 9828 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9829 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9830 } 9831 9832 private void updatePermissionsLPw(String changingPkg, 9833 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9834 // Make sure there are no dangling permission trees. 9835 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9836 while (it.hasNext()) { 9837 final BasePermission bp = it.next(); 9838 if (bp.packageSetting == null) { 9839 // We may not yet have parsed the package, so just see if 9840 // we still know about its settings. 9841 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9842 } 9843 if (bp.packageSetting == null) { 9844 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9845 + " from package " + bp.sourcePackage); 9846 it.remove(); 9847 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9848 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9849 Slog.i(TAG, "Removing old permission tree: " + bp.name 9850 + " from package " + bp.sourcePackage); 9851 flags |= UPDATE_PERMISSIONS_ALL; 9852 it.remove(); 9853 } 9854 } 9855 } 9856 9857 // Make sure all dynamic permissions have been assigned to a package, 9858 // and make sure there are no dangling permissions. 9859 it = mSettings.mPermissions.values().iterator(); 9860 while (it.hasNext()) { 9861 final BasePermission bp = it.next(); 9862 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9863 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9864 + bp.name + " pkg=" + bp.sourcePackage 9865 + " info=" + bp.pendingInfo); 9866 if (bp.packageSetting == null && bp.pendingInfo != null) { 9867 final BasePermission tree = findPermissionTreeLP(bp.name); 9868 if (tree != null && tree.perm != null) { 9869 bp.packageSetting = tree.packageSetting; 9870 bp.perm = new PackageParser.Permission(tree.perm.owner, 9871 new PermissionInfo(bp.pendingInfo)); 9872 bp.perm.info.packageName = tree.perm.info.packageName; 9873 bp.perm.info.name = bp.name; 9874 bp.uid = tree.uid; 9875 } 9876 } 9877 } 9878 if (bp.packageSetting == null) { 9879 // We may not yet have parsed the package, so just see if 9880 // we still know about its settings. 9881 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9882 } 9883 if (bp.packageSetting == null) { 9884 Slog.w(TAG, "Removing dangling permission: " + bp.name 9885 + " from package " + bp.sourcePackage); 9886 it.remove(); 9887 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9888 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9889 Slog.i(TAG, "Removing old permission: " + bp.name 9890 + " from package " + bp.sourcePackage); 9891 flags |= UPDATE_PERMISSIONS_ALL; 9892 it.remove(); 9893 } 9894 } 9895 } 9896 9897 // Now update the permissions for all packages, in particular 9898 // replace the granted permissions of the system packages. 9899 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9900 for (PackageParser.Package pkg : mPackages.values()) { 9901 if (pkg != pkgInfo) { 9902 // Only replace for packages on requested volume 9903 final String volumeUuid = getVolumeUuidForPackage(pkg); 9904 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9905 && Objects.equals(replaceVolumeUuid, volumeUuid); 9906 grantPermissionsLPw(pkg, replace, changingPkg); 9907 } 9908 } 9909 } 9910 9911 if (pkgInfo != null) { 9912 // Only replace for packages on requested volume 9913 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9914 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9915 && Objects.equals(replaceVolumeUuid, volumeUuid); 9916 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9917 } 9918 } 9919 9920 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9921 String packageOfInterest) { 9922 // IMPORTANT: There are two types of permissions: install and runtime. 9923 // Install time permissions are granted when the app is installed to 9924 // all device users and users added in the future. Runtime permissions 9925 // are granted at runtime explicitly to specific users. Normal and signature 9926 // protected permissions are install time permissions. Dangerous permissions 9927 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9928 // otherwise they are runtime permissions. This function does not manage 9929 // runtime permissions except for the case an app targeting Lollipop MR1 9930 // being upgraded to target a newer SDK, in which case dangerous permissions 9931 // are transformed from install time to runtime ones. 9932 9933 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9934 if (ps == null) { 9935 return; 9936 } 9937 9938 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9939 9940 PermissionsState permissionsState = ps.getPermissionsState(); 9941 PermissionsState origPermissions = permissionsState; 9942 9943 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9944 9945 boolean runtimePermissionsRevoked = false; 9946 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9947 9948 boolean changedInstallPermission = false; 9949 9950 if (replace) { 9951 ps.installPermissionsFixed = false; 9952 if (!ps.isSharedUser()) { 9953 origPermissions = new PermissionsState(permissionsState); 9954 permissionsState.reset(); 9955 } else { 9956 // We need to know only about runtime permission changes since the 9957 // calling code always writes the install permissions state but 9958 // the runtime ones are written only if changed. The only cases of 9959 // changed runtime permissions here are promotion of an install to 9960 // runtime and revocation of a runtime from a shared user. 9961 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9962 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9963 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9964 runtimePermissionsRevoked = true; 9965 } 9966 } 9967 } 9968 9969 permissionsState.setGlobalGids(mGlobalGids); 9970 9971 final int N = pkg.requestedPermissions.size(); 9972 for (int i=0; i<N; i++) { 9973 final String name = pkg.requestedPermissions.get(i); 9974 final BasePermission bp = mSettings.mPermissions.get(name); 9975 9976 if (DEBUG_INSTALL) { 9977 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9978 } 9979 9980 if (bp == null || bp.packageSetting == null) { 9981 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9982 Slog.w(TAG, "Unknown permission " + name 9983 + " in package " + pkg.packageName); 9984 } 9985 continue; 9986 } 9987 9988 final String perm = bp.name; 9989 boolean allowedSig = false; 9990 int grant = GRANT_DENIED; 9991 9992 // Keep track of app op permissions. 9993 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9994 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9995 if (pkgs == null) { 9996 pkgs = new ArraySet<>(); 9997 mAppOpPermissionPackages.put(bp.name, pkgs); 9998 } 9999 pkgs.add(pkg.packageName); 10000 } 10001 10002 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 10003 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 10004 >= Build.VERSION_CODES.M; 10005 switch (level) { 10006 case PermissionInfo.PROTECTION_NORMAL: { 10007 // For all apps normal permissions are install time ones. 10008 grant = GRANT_INSTALL; 10009 } break; 10010 10011 case PermissionInfo.PROTECTION_DANGEROUS: { 10012 // If a permission review is required for legacy apps we represent 10013 // their permissions as always granted runtime ones since we need 10014 // to keep the review required permission flag per user while an 10015 // install permission's state is shared across all users. 10016 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 10017 // For legacy apps dangerous permissions are install time ones. 10018 grant = GRANT_INSTALL; 10019 } else if (origPermissions.hasInstallPermission(bp.name)) { 10020 // For legacy apps that became modern, install becomes runtime. 10021 grant = GRANT_UPGRADE; 10022 } else if (mPromoteSystemApps 10023 && isSystemApp(ps) 10024 && mExistingSystemPackages.contains(ps.name)) { 10025 // For legacy system apps, install becomes runtime. 10026 // We cannot check hasInstallPermission() for system apps since those 10027 // permissions were granted implicitly and not persisted pre-M. 10028 grant = GRANT_UPGRADE; 10029 } else { 10030 // For modern apps keep runtime permissions unchanged. 10031 grant = GRANT_RUNTIME; 10032 } 10033 } break; 10034 10035 case PermissionInfo.PROTECTION_SIGNATURE: { 10036 // For all apps signature permissions are install time ones. 10037 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 10038 if (allowedSig) { 10039 grant = GRANT_INSTALL; 10040 } 10041 } break; 10042 } 10043 10044 if (DEBUG_INSTALL) { 10045 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 10046 } 10047 10048 if (grant != GRANT_DENIED) { 10049 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 10050 // If this is an existing, non-system package, then 10051 // we can't add any new permissions to it. 10052 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 10053 // Except... if this is a permission that was added 10054 // to the platform (note: need to only do this when 10055 // updating the platform). 10056 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 10057 grant = GRANT_DENIED; 10058 } 10059 } 10060 } 10061 10062 switch (grant) { 10063 case GRANT_INSTALL: { 10064 // Revoke this as runtime permission to handle the case of 10065 // a runtime permission being downgraded to an install one. 10066 // Also in permission review mode we keep dangerous permissions 10067 // for legacy apps 10068 for (int userId : UserManagerService.getInstance().getUserIds()) { 10069 if (origPermissions.getRuntimePermissionState( 10070 bp.name, userId) != null) { 10071 // Revoke the runtime permission and clear the flags. 10072 origPermissions.revokeRuntimePermission(bp, userId); 10073 origPermissions.updatePermissionFlags(bp, userId, 10074 PackageManager.MASK_PERMISSION_FLAGS, 0); 10075 // If we revoked a permission permission, we have to write. 10076 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10077 changedRuntimePermissionUserIds, userId); 10078 } 10079 } 10080 // Grant an install permission. 10081 if (permissionsState.grantInstallPermission(bp) != 10082 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10083 changedInstallPermission = true; 10084 } 10085 } break; 10086 10087 case GRANT_RUNTIME: { 10088 // Grant previously granted runtime permissions. 10089 for (int userId : UserManagerService.getInstance().getUserIds()) { 10090 PermissionState permissionState = origPermissions 10091 .getRuntimePermissionState(bp.name, userId); 10092 int flags = permissionState != null 10093 ? permissionState.getFlags() : 0; 10094 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 10095 if (permissionsState.grantRuntimePermission(bp, userId) == 10096 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10097 // If we cannot put the permission as it was, we have to write. 10098 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10099 changedRuntimePermissionUserIds, userId); 10100 } 10101 // If the app supports runtime permissions no need for a review. 10102 if (Build.PERMISSIONS_REVIEW_REQUIRED 10103 && appSupportsRuntimePermissions 10104 && (flags & PackageManager 10105 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 10106 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 10107 // Since we changed the flags, we have to write. 10108 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10109 changedRuntimePermissionUserIds, userId); 10110 } 10111 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 10112 && !appSupportsRuntimePermissions) { 10113 // For legacy apps that need a permission review, every new 10114 // runtime permission is granted but it is pending a review. 10115 // We also need to review only platform defined runtime 10116 // permissions as these are the only ones the platform knows 10117 // how to disable the API to simulate revocation as legacy 10118 // apps don't expect to run with revoked permissions. 10119 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 10120 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 10121 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 10122 // We changed the flags, hence have to write. 10123 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10124 changedRuntimePermissionUserIds, userId); 10125 } 10126 } 10127 if (permissionsState.grantRuntimePermission(bp, userId) 10128 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10129 // We changed the permission, hence have to write. 10130 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10131 changedRuntimePermissionUserIds, userId); 10132 } 10133 } 10134 // Propagate the permission flags. 10135 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 10136 } 10137 } break; 10138 10139 case GRANT_UPGRADE: { 10140 // Grant runtime permissions for a previously held install permission. 10141 PermissionState permissionState = origPermissions 10142 .getInstallPermissionState(bp.name); 10143 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10144 10145 if (origPermissions.revokeInstallPermission(bp) 10146 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10147 // We will be transferring the permission flags, so clear them. 10148 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10149 PackageManager.MASK_PERMISSION_FLAGS, 0); 10150 changedInstallPermission = true; 10151 } 10152 10153 // If the permission is not to be promoted to runtime we ignore it and 10154 // also its other flags as they are not applicable to install permissions. 10155 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10156 for (int userId : currentUserIds) { 10157 if (permissionsState.grantRuntimePermission(bp, userId) != 10158 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10159 // Transfer the permission flags. 10160 permissionsState.updatePermissionFlags(bp, userId, 10161 flags, flags); 10162 // If we granted the permission, we have to write. 10163 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10164 changedRuntimePermissionUserIds, userId); 10165 } 10166 } 10167 } 10168 } break; 10169 10170 default: { 10171 if (packageOfInterest == null 10172 || packageOfInterest.equals(pkg.packageName)) { 10173 Slog.w(TAG, "Not granting permission " + perm 10174 + " to package " + pkg.packageName 10175 + " because it was previously installed without"); 10176 } 10177 } break; 10178 } 10179 } else { 10180 if (permissionsState.revokeInstallPermission(bp) != 10181 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10182 // Also drop the permission flags. 10183 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10184 PackageManager.MASK_PERMISSION_FLAGS, 0); 10185 changedInstallPermission = true; 10186 Slog.i(TAG, "Un-granting permission " + perm 10187 + " from package " + pkg.packageName 10188 + " (protectionLevel=" + bp.protectionLevel 10189 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10190 + ")"); 10191 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10192 // Don't print warning for app op permissions, since it is fine for them 10193 // not to be granted, there is a UI for the user to decide. 10194 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10195 Slog.w(TAG, "Not granting permission " + perm 10196 + " to package " + pkg.packageName 10197 + " (protectionLevel=" + bp.protectionLevel 10198 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10199 + ")"); 10200 } 10201 } 10202 } 10203 } 10204 10205 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10206 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10207 // This is the first that we have heard about this package, so the 10208 // permissions we have now selected are fixed until explicitly 10209 // changed. 10210 ps.installPermissionsFixed = true; 10211 } 10212 10213 // Persist the runtime permissions state for users with changes. If permissions 10214 // were revoked because no app in the shared user declares them we have to 10215 // write synchronously to avoid losing runtime permissions state. 10216 for (int userId : changedRuntimePermissionUserIds) { 10217 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10218 } 10219 10220 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10221 } 10222 10223 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10224 boolean allowed = false; 10225 final int NP = PackageParser.NEW_PERMISSIONS.length; 10226 for (int ip=0; ip<NP; ip++) { 10227 final PackageParser.NewPermissionInfo npi 10228 = PackageParser.NEW_PERMISSIONS[ip]; 10229 if (npi.name.equals(perm) 10230 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10231 allowed = true; 10232 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10233 + pkg.packageName); 10234 break; 10235 } 10236 } 10237 return allowed; 10238 } 10239 10240 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10241 BasePermission bp, PermissionsState origPermissions) { 10242 boolean allowed; 10243 allowed = (compareSignatures( 10244 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10245 == PackageManager.SIGNATURE_MATCH) 10246 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10247 == PackageManager.SIGNATURE_MATCH); 10248 if (!allowed && (bp.protectionLevel 10249 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10250 if (isSystemApp(pkg)) { 10251 // For updated system applications, a system permission 10252 // is granted only if it had been defined by the original application. 10253 if (pkg.isUpdatedSystemApp()) { 10254 final PackageSetting sysPs = mSettings 10255 .getDisabledSystemPkgLPr(pkg.packageName); 10256 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10257 // If the original was granted this permission, we take 10258 // that grant decision as read and propagate it to the 10259 // update. 10260 if (sysPs.isPrivileged()) { 10261 allowed = true; 10262 } 10263 } else { 10264 // The system apk may have been updated with an older 10265 // version of the one on the data partition, but which 10266 // granted a new system permission that it didn't have 10267 // before. In this case we do want to allow the app to 10268 // now get the new permission if the ancestral apk is 10269 // privileged to get it. 10270 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10271 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10272 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10273 allowed = true; 10274 break; 10275 } 10276 } 10277 } 10278 // Also if a privileged parent package on the system image or any of 10279 // its children requested a privileged permission, the updated child 10280 // packages can also get the permission. 10281 if (pkg.parentPackage != null) { 10282 final PackageSetting disabledSysParentPs = mSettings 10283 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10284 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10285 && disabledSysParentPs.isPrivileged()) { 10286 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10287 allowed = true; 10288 } else if (disabledSysParentPs.pkg.childPackages != null) { 10289 final int count = disabledSysParentPs.pkg.childPackages.size(); 10290 for (int i = 0; i < count; i++) { 10291 PackageParser.Package disabledSysChildPkg = 10292 disabledSysParentPs.pkg.childPackages.get(i); 10293 if (isPackageRequestingPermission(disabledSysChildPkg, 10294 perm)) { 10295 allowed = true; 10296 break; 10297 } 10298 } 10299 } 10300 } 10301 } 10302 } 10303 } else { 10304 allowed = isPrivilegedApp(pkg); 10305 } 10306 } 10307 } 10308 if (!allowed) { 10309 if (!allowed && (bp.protectionLevel 10310 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10311 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10312 // If this was a previously normal/dangerous permission that got moved 10313 // to a system permission as part of the runtime permission redesign, then 10314 // we still want to blindly grant it to old apps. 10315 allowed = true; 10316 } 10317 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10318 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10319 // If this permission is to be granted to the system installer and 10320 // this app is an installer, then it gets the permission. 10321 allowed = true; 10322 } 10323 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10324 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10325 // If this permission is to be granted to the system verifier and 10326 // this app is a verifier, then it gets the permission. 10327 allowed = true; 10328 } 10329 if (!allowed && (bp.protectionLevel 10330 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10331 && isSystemApp(pkg)) { 10332 // Any pre-installed system app is allowed to get this permission. 10333 allowed = true; 10334 } 10335 if (!allowed && (bp.protectionLevel 10336 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10337 // For development permissions, a development permission 10338 // is granted only if it was already granted. 10339 allowed = origPermissions.hasInstallPermission(perm); 10340 } 10341 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10342 && pkg.packageName.equals(mSetupWizardPackage)) { 10343 // If this permission is to be granted to the system setup wizard and 10344 // this app is a setup wizard, then it gets the permission. 10345 allowed = true; 10346 } 10347 } 10348 return allowed; 10349 } 10350 10351 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10352 final int permCount = pkg.requestedPermissions.size(); 10353 for (int j = 0; j < permCount; j++) { 10354 String requestedPermission = pkg.requestedPermissions.get(j); 10355 if (permission.equals(requestedPermission)) { 10356 return true; 10357 } 10358 } 10359 return false; 10360 } 10361 10362 final class ActivityIntentResolver 10363 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10364 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10365 boolean defaultOnly, int userId) { 10366 if (!sUserManager.exists(userId)) return null; 10367 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10368 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10369 } 10370 10371 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10372 int userId) { 10373 if (!sUserManager.exists(userId)) return null; 10374 mFlags = flags; 10375 return super.queryIntent(intent, resolvedType, 10376 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10377 } 10378 10379 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10380 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10381 if (!sUserManager.exists(userId)) return null; 10382 if (packageActivities == null) { 10383 return null; 10384 } 10385 mFlags = flags; 10386 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10387 final int N = packageActivities.size(); 10388 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10389 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10390 10391 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10392 for (int i = 0; i < N; ++i) { 10393 intentFilters = packageActivities.get(i).intents; 10394 if (intentFilters != null && intentFilters.size() > 0) { 10395 PackageParser.ActivityIntentInfo[] array = 10396 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10397 intentFilters.toArray(array); 10398 listCut.add(array); 10399 } 10400 } 10401 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10402 } 10403 10404 /** 10405 * Finds a privileged activity that matches the specified activity names. 10406 */ 10407 private PackageParser.Activity findMatchingActivity( 10408 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10409 for (PackageParser.Activity sysActivity : activityList) { 10410 if (sysActivity.info.name.equals(activityInfo.name)) { 10411 return sysActivity; 10412 } 10413 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10414 return sysActivity; 10415 } 10416 if (sysActivity.info.targetActivity != null) { 10417 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10418 return sysActivity; 10419 } 10420 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10421 return sysActivity; 10422 } 10423 } 10424 } 10425 return null; 10426 } 10427 10428 public class IterGenerator<E> { 10429 public Iterator<E> generate(ActivityIntentInfo info) { 10430 return null; 10431 } 10432 } 10433 10434 public class ActionIterGenerator extends IterGenerator<String> { 10435 @Override 10436 public Iterator<String> generate(ActivityIntentInfo info) { 10437 return info.actionsIterator(); 10438 } 10439 } 10440 10441 public class CategoriesIterGenerator extends IterGenerator<String> { 10442 @Override 10443 public Iterator<String> generate(ActivityIntentInfo info) { 10444 return info.categoriesIterator(); 10445 } 10446 } 10447 10448 public class SchemesIterGenerator extends IterGenerator<String> { 10449 @Override 10450 public Iterator<String> generate(ActivityIntentInfo info) { 10451 return info.schemesIterator(); 10452 } 10453 } 10454 10455 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10456 @Override 10457 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10458 return info.authoritiesIterator(); 10459 } 10460 } 10461 10462 /** 10463 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10464 * MODIFIED. Do not pass in a list that should not be changed. 10465 */ 10466 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10467 IterGenerator<T> generator, Iterator<T> searchIterator) { 10468 // loop through the set of actions; every one must be found in the intent filter 10469 while (searchIterator.hasNext()) { 10470 // we must have at least one filter in the list to consider a match 10471 if (intentList.size() == 0) { 10472 break; 10473 } 10474 10475 final T searchAction = searchIterator.next(); 10476 10477 // loop through the set of intent filters 10478 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10479 while (intentIter.hasNext()) { 10480 final ActivityIntentInfo intentInfo = intentIter.next(); 10481 boolean selectionFound = false; 10482 10483 // loop through the intent filter's selection criteria; at least one 10484 // of them must match the searched criteria 10485 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10486 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10487 final T intentSelection = intentSelectionIter.next(); 10488 if (intentSelection != null && intentSelection.equals(searchAction)) { 10489 selectionFound = true; 10490 break; 10491 } 10492 } 10493 10494 // the selection criteria wasn't found in this filter's set; this filter 10495 // is not a potential match 10496 if (!selectionFound) { 10497 intentIter.remove(); 10498 } 10499 } 10500 } 10501 } 10502 10503 private boolean isProtectedAction(ActivityIntentInfo filter) { 10504 final Iterator<String> actionsIter = filter.actionsIterator(); 10505 while (actionsIter != null && actionsIter.hasNext()) { 10506 final String filterAction = actionsIter.next(); 10507 if (PROTECTED_ACTIONS.contains(filterAction)) { 10508 return true; 10509 } 10510 } 10511 return false; 10512 } 10513 10514 /** 10515 * Adjusts the priority of the given intent filter according to policy. 10516 * <p> 10517 * <ul> 10518 * <li>The priority for non privileged applications is capped to '0'</li> 10519 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10520 * <li>The priority for unbundled updates to privileged applications is capped to the 10521 * priority defined on the system partition</li> 10522 * </ul> 10523 * <p> 10524 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10525 * allowed to obtain any priority on any action. 10526 */ 10527 private void adjustPriority( 10528 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10529 // nothing to do; priority is fine as-is 10530 if (intent.getPriority() <= 0) { 10531 return; 10532 } 10533 10534 final ActivityInfo activityInfo = intent.activity.info; 10535 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10536 10537 final boolean privilegedApp = 10538 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10539 if (!privilegedApp) { 10540 // non-privileged applications can never define a priority >0 10541 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10542 + " package: " + applicationInfo.packageName 10543 + " activity: " + intent.activity.className 10544 + " origPrio: " + intent.getPriority()); 10545 intent.setPriority(0); 10546 return; 10547 } 10548 10549 if (systemActivities == null) { 10550 // the system package is not disabled; we're parsing the system partition 10551 if (isProtectedAction(intent)) { 10552 if (mDeferProtectedFilters) { 10553 // We can't deal with these just yet. No component should ever obtain a 10554 // >0 priority for a protected actions, with ONE exception -- the setup 10555 // wizard. The setup wizard, however, cannot be known until we're able to 10556 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10557 // until all intent filters have been processed. Chicken, meet egg. 10558 // Let the filter temporarily have a high priority and rectify the 10559 // priorities after all system packages have been scanned. 10560 mProtectedFilters.add(intent); 10561 if (DEBUG_FILTERS) { 10562 Slog.i(TAG, "Protected action; save for later;" 10563 + " package: " + applicationInfo.packageName 10564 + " activity: " + intent.activity.className 10565 + " origPrio: " + intent.getPriority()); 10566 } 10567 return; 10568 } else { 10569 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10570 Slog.i(TAG, "No setup wizard;" 10571 + " All protected intents capped to priority 0"); 10572 } 10573 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10574 if (DEBUG_FILTERS) { 10575 Slog.i(TAG, "Found setup wizard;" 10576 + " allow priority " + intent.getPriority() + ";" 10577 + " package: " + intent.activity.info.packageName 10578 + " activity: " + intent.activity.className 10579 + " priority: " + intent.getPriority()); 10580 } 10581 // setup wizard gets whatever it wants 10582 return; 10583 } 10584 Slog.w(TAG, "Protected action; cap priority to 0;" 10585 + " package: " + intent.activity.info.packageName 10586 + " activity: " + intent.activity.className 10587 + " origPrio: " + intent.getPriority()); 10588 intent.setPriority(0); 10589 return; 10590 } 10591 } 10592 // privileged apps on the system image get whatever priority they request 10593 return; 10594 } 10595 10596 // privileged app unbundled update ... try to find the same activity 10597 final PackageParser.Activity foundActivity = 10598 findMatchingActivity(systemActivities, activityInfo); 10599 if (foundActivity == null) { 10600 // this is a new activity; it cannot obtain >0 priority 10601 if (DEBUG_FILTERS) { 10602 Slog.i(TAG, "New activity; cap priority to 0;" 10603 + " package: " + applicationInfo.packageName 10604 + " activity: " + intent.activity.className 10605 + " origPrio: " + intent.getPriority()); 10606 } 10607 intent.setPriority(0); 10608 return; 10609 } 10610 10611 // found activity, now check for filter equivalence 10612 10613 // a shallow copy is enough; we modify the list, not its contents 10614 final List<ActivityIntentInfo> intentListCopy = 10615 new ArrayList<>(foundActivity.intents); 10616 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10617 10618 // find matching action subsets 10619 final Iterator<String> actionsIterator = intent.actionsIterator(); 10620 if (actionsIterator != null) { 10621 getIntentListSubset( 10622 intentListCopy, new ActionIterGenerator(), actionsIterator); 10623 if (intentListCopy.size() == 0) { 10624 // no more intents to match; we're not equivalent 10625 if (DEBUG_FILTERS) { 10626 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10627 + " package: " + applicationInfo.packageName 10628 + " activity: " + intent.activity.className 10629 + " origPrio: " + intent.getPriority()); 10630 } 10631 intent.setPriority(0); 10632 return; 10633 } 10634 } 10635 10636 // find matching category subsets 10637 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10638 if (categoriesIterator != null) { 10639 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10640 categoriesIterator); 10641 if (intentListCopy.size() == 0) { 10642 // no more intents to match; we're not equivalent 10643 if (DEBUG_FILTERS) { 10644 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10645 + " package: " + applicationInfo.packageName 10646 + " activity: " + intent.activity.className 10647 + " origPrio: " + intent.getPriority()); 10648 } 10649 intent.setPriority(0); 10650 return; 10651 } 10652 } 10653 10654 // find matching schemes subsets 10655 final Iterator<String> schemesIterator = intent.schemesIterator(); 10656 if (schemesIterator != null) { 10657 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10658 schemesIterator); 10659 if (intentListCopy.size() == 0) { 10660 // no more intents to match; we're not equivalent 10661 if (DEBUG_FILTERS) { 10662 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10663 + " package: " + applicationInfo.packageName 10664 + " activity: " + intent.activity.className 10665 + " origPrio: " + intent.getPriority()); 10666 } 10667 intent.setPriority(0); 10668 return; 10669 } 10670 } 10671 10672 // find matching authorities subsets 10673 final Iterator<IntentFilter.AuthorityEntry> 10674 authoritiesIterator = intent.authoritiesIterator(); 10675 if (authoritiesIterator != null) { 10676 getIntentListSubset(intentListCopy, 10677 new AuthoritiesIterGenerator(), 10678 authoritiesIterator); 10679 if (intentListCopy.size() == 0) { 10680 // no more intents to match; we're not equivalent 10681 if (DEBUG_FILTERS) { 10682 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10683 + " package: " + applicationInfo.packageName 10684 + " activity: " + intent.activity.className 10685 + " origPrio: " + intent.getPriority()); 10686 } 10687 intent.setPriority(0); 10688 return; 10689 } 10690 } 10691 10692 // we found matching filter(s); app gets the max priority of all intents 10693 int cappedPriority = 0; 10694 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10695 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10696 } 10697 if (intent.getPriority() > cappedPriority) { 10698 if (DEBUG_FILTERS) { 10699 Slog.i(TAG, "Found matching filter(s);" 10700 + " cap priority to " + cappedPriority + ";" 10701 + " package: " + applicationInfo.packageName 10702 + " activity: " + intent.activity.className 10703 + " origPrio: " + intent.getPriority()); 10704 } 10705 intent.setPriority(cappedPriority); 10706 return; 10707 } 10708 // all this for nothing; the requested priority was <= what was on the system 10709 } 10710 10711 public final void addActivity(PackageParser.Activity a, String type) { 10712 mActivities.put(a.getComponentName(), a); 10713 if (DEBUG_SHOW_INFO) 10714 Log.v( 10715 TAG, " " + type + " " + 10716 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10717 if (DEBUG_SHOW_INFO) 10718 Log.v(TAG, " Class=" + a.info.name); 10719 final int NI = a.intents.size(); 10720 for (int j=0; j<NI; j++) { 10721 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10722 if ("activity".equals(type)) { 10723 final PackageSetting ps = 10724 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10725 final List<PackageParser.Activity> systemActivities = 10726 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10727 adjustPriority(systemActivities, intent); 10728 } 10729 if (DEBUG_SHOW_INFO) { 10730 Log.v(TAG, " IntentFilter:"); 10731 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10732 } 10733 if (!intent.debugCheck()) { 10734 Log.w(TAG, "==> For Activity " + a.info.name); 10735 } 10736 addFilter(intent); 10737 } 10738 } 10739 10740 public final void removeActivity(PackageParser.Activity a, String type) { 10741 mActivities.remove(a.getComponentName()); 10742 if (DEBUG_SHOW_INFO) { 10743 Log.v(TAG, " " + type + " " 10744 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10745 : a.info.name) + ":"); 10746 Log.v(TAG, " Class=" + a.info.name); 10747 } 10748 final int NI = a.intents.size(); 10749 for (int j=0; j<NI; j++) { 10750 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10751 if (DEBUG_SHOW_INFO) { 10752 Log.v(TAG, " IntentFilter:"); 10753 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10754 } 10755 removeFilter(intent); 10756 } 10757 } 10758 10759 @Override 10760 protected boolean allowFilterResult( 10761 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10762 ActivityInfo filterAi = filter.activity.info; 10763 for (int i=dest.size()-1; i>=0; i--) { 10764 ActivityInfo destAi = dest.get(i).activityInfo; 10765 if (destAi.name == filterAi.name 10766 && destAi.packageName == filterAi.packageName) { 10767 return false; 10768 } 10769 } 10770 return true; 10771 } 10772 10773 @Override 10774 protected ActivityIntentInfo[] newArray(int size) { 10775 return new ActivityIntentInfo[size]; 10776 } 10777 10778 @Override 10779 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10780 if (!sUserManager.exists(userId)) return true; 10781 PackageParser.Package p = filter.activity.owner; 10782 if (p != null) { 10783 PackageSetting ps = (PackageSetting)p.mExtras; 10784 if (ps != null) { 10785 // System apps are never considered stopped for purposes of 10786 // filtering, because there may be no way for the user to 10787 // actually re-launch them. 10788 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10789 && ps.getStopped(userId); 10790 } 10791 } 10792 return false; 10793 } 10794 10795 @Override 10796 protected boolean isPackageForFilter(String packageName, 10797 PackageParser.ActivityIntentInfo info) { 10798 return packageName.equals(info.activity.owner.packageName); 10799 } 10800 10801 @Override 10802 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10803 int match, int userId) { 10804 if (!sUserManager.exists(userId)) return null; 10805 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10806 return null; 10807 } 10808 final PackageParser.Activity activity = info.activity; 10809 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10810 if (ps == null) { 10811 return null; 10812 } 10813 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10814 ps.readUserState(userId), userId); 10815 if (ai == null) { 10816 return null; 10817 } 10818 final ResolveInfo res = new ResolveInfo(); 10819 res.activityInfo = ai; 10820 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10821 res.filter = info; 10822 } 10823 if (info != null) { 10824 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10825 } 10826 res.priority = info.getPriority(); 10827 res.preferredOrder = activity.owner.mPreferredOrder; 10828 //System.out.println("Result: " + res.activityInfo.className + 10829 // " = " + res.priority); 10830 res.match = match; 10831 res.isDefault = info.hasDefault; 10832 res.labelRes = info.labelRes; 10833 res.nonLocalizedLabel = info.nonLocalizedLabel; 10834 if (userNeedsBadging(userId)) { 10835 res.noResourceId = true; 10836 } else { 10837 res.icon = info.icon; 10838 } 10839 res.iconResourceId = info.icon; 10840 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10841 return res; 10842 } 10843 10844 @Override 10845 protected void sortResults(List<ResolveInfo> results) { 10846 Collections.sort(results, mResolvePrioritySorter); 10847 } 10848 10849 @Override 10850 protected void dumpFilter(PrintWriter out, String prefix, 10851 PackageParser.ActivityIntentInfo filter) { 10852 out.print(prefix); out.print( 10853 Integer.toHexString(System.identityHashCode(filter.activity))); 10854 out.print(' '); 10855 filter.activity.printComponentShortName(out); 10856 out.print(" filter "); 10857 out.println(Integer.toHexString(System.identityHashCode(filter))); 10858 } 10859 10860 @Override 10861 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10862 return filter.activity; 10863 } 10864 10865 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10866 PackageParser.Activity activity = (PackageParser.Activity)label; 10867 out.print(prefix); out.print( 10868 Integer.toHexString(System.identityHashCode(activity))); 10869 out.print(' '); 10870 activity.printComponentShortName(out); 10871 if (count > 1) { 10872 out.print(" ("); out.print(count); out.print(" filters)"); 10873 } 10874 out.println(); 10875 } 10876 10877 // Keys are String (activity class name), values are Activity. 10878 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10879 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10880 private int mFlags; 10881 } 10882 10883 private final class ServiceIntentResolver 10884 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10885 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10886 boolean defaultOnly, int userId) { 10887 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10888 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10889 } 10890 10891 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10892 int userId) { 10893 if (!sUserManager.exists(userId)) return null; 10894 mFlags = flags; 10895 return super.queryIntent(intent, resolvedType, 10896 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10897 } 10898 10899 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10900 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10901 if (!sUserManager.exists(userId)) return null; 10902 if (packageServices == null) { 10903 return null; 10904 } 10905 mFlags = flags; 10906 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10907 final int N = packageServices.size(); 10908 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10909 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10910 10911 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10912 for (int i = 0; i < N; ++i) { 10913 intentFilters = packageServices.get(i).intents; 10914 if (intentFilters != null && intentFilters.size() > 0) { 10915 PackageParser.ServiceIntentInfo[] array = 10916 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10917 intentFilters.toArray(array); 10918 listCut.add(array); 10919 } 10920 } 10921 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10922 } 10923 10924 public final void addService(PackageParser.Service s) { 10925 mServices.put(s.getComponentName(), s); 10926 if (DEBUG_SHOW_INFO) { 10927 Log.v(TAG, " " 10928 + (s.info.nonLocalizedLabel != null 10929 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10930 Log.v(TAG, " Class=" + s.info.name); 10931 } 10932 final int NI = s.intents.size(); 10933 int j; 10934 for (j=0; j<NI; j++) { 10935 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10936 if (DEBUG_SHOW_INFO) { 10937 Log.v(TAG, " IntentFilter:"); 10938 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10939 } 10940 if (!intent.debugCheck()) { 10941 Log.w(TAG, "==> For Service " + s.info.name); 10942 } 10943 addFilter(intent); 10944 } 10945 } 10946 10947 public final void removeService(PackageParser.Service s) { 10948 mServices.remove(s.getComponentName()); 10949 if (DEBUG_SHOW_INFO) { 10950 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10951 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10952 Log.v(TAG, " Class=" + s.info.name); 10953 } 10954 final int NI = s.intents.size(); 10955 int j; 10956 for (j=0; j<NI; j++) { 10957 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10958 if (DEBUG_SHOW_INFO) { 10959 Log.v(TAG, " IntentFilter:"); 10960 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10961 } 10962 removeFilter(intent); 10963 } 10964 } 10965 10966 @Override 10967 protected boolean allowFilterResult( 10968 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10969 ServiceInfo filterSi = filter.service.info; 10970 for (int i=dest.size()-1; i>=0; i--) { 10971 ServiceInfo destAi = dest.get(i).serviceInfo; 10972 if (destAi.name == filterSi.name 10973 && destAi.packageName == filterSi.packageName) { 10974 return false; 10975 } 10976 } 10977 return true; 10978 } 10979 10980 @Override 10981 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10982 return new PackageParser.ServiceIntentInfo[size]; 10983 } 10984 10985 @Override 10986 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10987 if (!sUserManager.exists(userId)) return true; 10988 PackageParser.Package p = filter.service.owner; 10989 if (p != null) { 10990 PackageSetting ps = (PackageSetting)p.mExtras; 10991 if (ps != null) { 10992 // System apps are never considered stopped for purposes of 10993 // filtering, because there may be no way for the user to 10994 // actually re-launch them. 10995 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10996 && ps.getStopped(userId); 10997 } 10998 } 10999 return false; 11000 } 11001 11002 @Override 11003 protected boolean isPackageForFilter(String packageName, 11004 PackageParser.ServiceIntentInfo info) { 11005 return packageName.equals(info.service.owner.packageName); 11006 } 11007 11008 @Override 11009 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 11010 int match, int userId) { 11011 if (!sUserManager.exists(userId)) return null; 11012 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 11013 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 11014 return null; 11015 } 11016 final PackageParser.Service service = info.service; 11017 PackageSetting ps = (PackageSetting) service.owner.mExtras; 11018 if (ps == null) { 11019 return null; 11020 } 11021 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 11022 ps.readUserState(userId), userId); 11023 if (si == null) { 11024 return null; 11025 } 11026 final ResolveInfo res = new ResolveInfo(); 11027 res.serviceInfo = si; 11028 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11029 res.filter = filter; 11030 } 11031 res.priority = info.getPriority(); 11032 res.preferredOrder = service.owner.mPreferredOrder; 11033 res.match = match; 11034 res.isDefault = info.hasDefault; 11035 res.labelRes = info.labelRes; 11036 res.nonLocalizedLabel = info.nonLocalizedLabel; 11037 res.icon = info.icon; 11038 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 11039 return res; 11040 } 11041 11042 @Override 11043 protected void sortResults(List<ResolveInfo> results) { 11044 Collections.sort(results, mResolvePrioritySorter); 11045 } 11046 11047 @Override 11048 protected void dumpFilter(PrintWriter out, String prefix, 11049 PackageParser.ServiceIntentInfo filter) { 11050 out.print(prefix); out.print( 11051 Integer.toHexString(System.identityHashCode(filter.service))); 11052 out.print(' '); 11053 filter.service.printComponentShortName(out); 11054 out.print(" filter "); 11055 out.println(Integer.toHexString(System.identityHashCode(filter))); 11056 } 11057 11058 @Override 11059 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 11060 return filter.service; 11061 } 11062 11063 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11064 PackageParser.Service service = (PackageParser.Service)label; 11065 out.print(prefix); out.print( 11066 Integer.toHexString(System.identityHashCode(service))); 11067 out.print(' '); 11068 service.printComponentShortName(out); 11069 if (count > 1) { 11070 out.print(" ("); out.print(count); out.print(" filters)"); 11071 } 11072 out.println(); 11073 } 11074 11075// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 11076// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 11077// final List<ResolveInfo> retList = Lists.newArrayList(); 11078// while (i.hasNext()) { 11079// final ResolveInfo resolveInfo = (ResolveInfo) i; 11080// if (isEnabledLP(resolveInfo.serviceInfo)) { 11081// retList.add(resolveInfo); 11082// } 11083// } 11084// return retList; 11085// } 11086 11087 // Keys are String (activity class name), values are Activity. 11088 private final ArrayMap<ComponentName, PackageParser.Service> mServices 11089 = new ArrayMap<ComponentName, PackageParser.Service>(); 11090 private int mFlags; 11091 }; 11092 11093 private final class ProviderIntentResolver 11094 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 11095 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11096 boolean defaultOnly, int userId) { 11097 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 11098 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11099 } 11100 11101 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11102 int userId) { 11103 if (!sUserManager.exists(userId)) 11104 return null; 11105 mFlags = flags; 11106 return super.queryIntent(intent, resolvedType, 11107 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 11108 } 11109 11110 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11111 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 11112 if (!sUserManager.exists(userId)) 11113 return null; 11114 if (packageProviders == null) { 11115 return null; 11116 } 11117 mFlags = flags; 11118 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11119 final int N = packageProviders.size(); 11120 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 11121 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 11122 11123 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 11124 for (int i = 0; i < N; ++i) { 11125 intentFilters = packageProviders.get(i).intents; 11126 if (intentFilters != null && intentFilters.size() > 0) { 11127 PackageParser.ProviderIntentInfo[] array = 11128 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 11129 intentFilters.toArray(array); 11130 listCut.add(array); 11131 } 11132 } 11133 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11134 } 11135 11136 public final void addProvider(PackageParser.Provider p) { 11137 if (mProviders.containsKey(p.getComponentName())) { 11138 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11139 return; 11140 } 11141 11142 mProviders.put(p.getComponentName(), p); 11143 if (DEBUG_SHOW_INFO) { 11144 Log.v(TAG, " " 11145 + (p.info.nonLocalizedLabel != null 11146 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11147 Log.v(TAG, " Class=" + p.info.name); 11148 } 11149 final int NI = p.intents.size(); 11150 int j; 11151 for (j = 0; j < NI; j++) { 11152 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11153 if (DEBUG_SHOW_INFO) { 11154 Log.v(TAG, " IntentFilter:"); 11155 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11156 } 11157 if (!intent.debugCheck()) { 11158 Log.w(TAG, "==> For Provider " + p.info.name); 11159 } 11160 addFilter(intent); 11161 } 11162 } 11163 11164 public final void removeProvider(PackageParser.Provider p) { 11165 mProviders.remove(p.getComponentName()); 11166 if (DEBUG_SHOW_INFO) { 11167 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11168 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11169 Log.v(TAG, " Class=" + p.info.name); 11170 } 11171 final int NI = p.intents.size(); 11172 int j; 11173 for (j = 0; j < NI; j++) { 11174 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11175 if (DEBUG_SHOW_INFO) { 11176 Log.v(TAG, " IntentFilter:"); 11177 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11178 } 11179 removeFilter(intent); 11180 } 11181 } 11182 11183 @Override 11184 protected boolean allowFilterResult( 11185 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11186 ProviderInfo filterPi = filter.provider.info; 11187 for (int i = dest.size() - 1; i >= 0; i--) { 11188 ProviderInfo destPi = dest.get(i).providerInfo; 11189 if (destPi.name == filterPi.name 11190 && destPi.packageName == filterPi.packageName) { 11191 return false; 11192 } 11193 } 11194 return true; 11195 } 11196 11197 @Override 11198 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11199 return new PackageParser.ProviderIntentInfo[size]; 11200 } 11201 11202 @Override 11203 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11204 if (!sUserManager.exists(userId)) 11205 return true; 11206 PackageParser.Package p = filter.provider.owner; 11207 if (p != null) { 11208 PackageSetting ps = (PackageSetting) p.mExtras; 11209 if (ps != null) { 11210 // System apps are never considered stopped for purposes of 11211 // filtering, because there may be no way for the user to 11212 // actually re-launch them. 11213 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11214 && ps.getStopped(userId); 11215 } 11216 } 11217 return false; 11218 } 11219 11220 @Override 11221 protected boolean isPackageForFilter(String packageName, 11222 PackageParser.ProviderIntentInfo info) { 11223 return packageName.equals(info.provider.owner.packageName); 11224 } 11225 11226 @Override 11227 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11228 int match, int userId) { 11229 if (!sUserManager.exists(userId)) 11230 return null; 11231 final PackageParser.ProviderIntentInfo info = filter; 11232 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11233 return null; 11234 } 11235 final PackageParser.Provider provider = info.provider; 11236 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11237 if (ps == null) { 11238 return null; 11239 } 11240 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11241 ps.readUserState(userId), userId); 11242 if (pi == null) { 11243 return null; 11244 } 11245 final ResolveInfo res = new ResolveInfo(); 11246 res.providerInfo = pi; 11247 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11248 res.filter = filter; 11249 } 11250 res.priority = info.getPriority(); 11251 res.preferredOrder = provider.owner.mPreferredOrder; 11252 res.match = match; 11253 res.isDefault = info.hasDefault; 11254 res.labelRes = info.labelRes; 11255 res.nonLocalizedLabel = info.nonLocalizedLabel; 11256 res.icon = info.icon; 11257 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11258 return res; 11259 } 11260 11261 @Override 11262 protected void sortResults(List<ResolveInfo> results) { 11263 Collections.sort(results, mResolvePrioritySorter); 11264 } 11265 11266 @Override 11267 protected void dumpFilter(PrintWriter out, String prefix, 11268 PackageParser.ProviderIntentInfo filter) { 11269 out.print(prefix); 11270 out.print( 11271 Integer.toHexString(System.identityHashCode(filter.provider))); 11272 out.print(' '); 11273 filter.provider.printComponentShortName(out); 11274 out.print(" filter "); 11275 out.println(Integer.toHexString(System.identityHashCode(filter))); 11276 } 11277 11278 @Override 11279 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11280 return filter.provider; 11281 } 11282 11283 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11284 PackageParser.Provider provider = (PackageParser.Provider)label; 11285 out.print(prefix); out.print( 11286 Integer.toHexString(System.identityHashCode(provider))); 11287 out.print(' '); 11288 provider.printComponentShortName(out); 11289 if (count > 1) { 11290 out.print(" ("); out.print(count); out.print(" filters)"); 11291 } 11292 out.println(); 11293 } 11294 11295 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11296 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11297 private int mFlags; 11298 } 11299 11300 private static final class EphemeralIntentResolver 11301 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11302 @Override 11303 protected EphemeralResolveIntentInfo[] newArray(int size) { 11304 return new EphemeralResolveIntentInfo[size]; 11305 } 11306 11307 @Override 11308 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11309 return true; 11310 } 11311 11312 @Override 11313 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11314 int userId) { 11315 if (!sUserManager.exists(userId)) { 11316 return null; 11317 } 11318 return info.getEphemeralResolveInfo(); 11319 } 11320 } 11321 11322 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11323 new Comparator<ResolveInfo>() { 11324 public int compare(ResolveInfo r1, ResolveInfo r2) { 11325 int v1 = r1.priority; 11326 int v2 = r2.priority; 11327 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11328 if (v1 != v2) { 11329 return (v1 > v2) ? -1 : 1; 11330 } 11331 v1 = r1.preferredOrder; 11332 v2 = r2.preferredOrder; 11333 if (v1 != v2) { 11334 return (v1 > v2) ? -1 : 1; 11335 } 11336 if (r1.isDefault != r2.isDefault) { 11337 return r1.isDefault ? -1 : 1; 11338 } 11339 v1 = r1.match; 11340 v2 = r2.match; 11341 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11342 if (v1 != v2) { 11343 return (v1 > v2) ? -1 : 1; 11344 } 11345 if (r1.system != r2.system) { 11346 return r1.system ? -1 : 1; 11347 } 11348 if (r1.activityInfo != null) { 11349 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11350 } 11351 if (r1.serviceInfo != null) { 11352 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11353 } 11354 if (r1.providerInfo != null) { 11355 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11356 } 11357 return 0; 11358 } 11359 }; 11360 11361 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11362 new Comparator<ProviderInfo>() { 11363 public int compare(ProviderInfo p1, ProviderInfo p2) { 11364 final int v1 = p1.initOrder; 11365 final int v2 = p2.initOrder; 11366 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11367 } 11368 }; 11369 11370 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11371 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11372 final int[] userIds) { 11373 mHandler.post(new Runnable() { 11374 @Override 11375 public void run() { 11376 try { 11377 final IActivityManager am = ActivityManagerNative.getDefault(); 11378 if (am == null) return; 11379 final int[] resolvedUserIds; 11380 if (userIds == null) { 11381 resolvedUserIds = am.getRunningUserIds(); 11382 } else { 11383 resolvedUserIds = userIds; 11384 } 11385 for (int id : resolvedUserIds) { 11386 final Intent intent = new Intent(action, 11387 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11388 if (extras != null) { 11389 intent.putExtras(extras); 11390 } 11391 if (targetPkg != null) { 11392 intent.setPackage(targetPkg); 11393 } 11394 // Modify the UID when posting to other users 11395 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11396 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11397 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11398 intent.putExtra(Intent.EXTRA_UID, uid); 11399 } 11400 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11401 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11402 if (DEBUG_BROADCASTS) { 11403 RuntimeException here = new RuntimeException("here"); 11404 here.fillInStackTrace(); 11405 Slog.d(TAG, "Sending to user " + id + ": " 11406 + intent.toShortString(false, true, false, false) 11407 + " " + intent.getExtras(), here); 11408 } 11409 am.broadcastIntent(null, intent, null, finishedReceiver, 11410 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11411 null, finishedReceiver != null, false, id); 11412 } 11413 } catch (RemoteException ex) { 11414 } 11415 } 11416 }); 11417 } 11418 11419 /** 11420 * Check if the external storage media is available. This is true if there 11421 * is a mounted external storage medium or if the external storage is 11422 * emulated. 11423 */ 11424 private boolean isExternalMediaAvailable() { 11425 return mMediaMounted || Environment.isExternalStorageEmulated(); 11426 } 11427 11428 @Override 11429 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11430 // writer 11431 synchronized (mPackages) { 11432 if (!isExternalMediaAvailable()) { 11433 // If the external storage is no longer mounted at this point, 11434 // the caller may not have been able to delete all of this 11435 // packages files and can not delete any more. Bail. 11436 return null; 11437 } 11438 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11439 if (lastPackage != null) { 11440 pkgs.remove(lastPackage); 11441 } 11442 if (pkgs.size() > 0) { 11443 return pkgs.get(0); 11444 } 11445 } 11446 return null; 11447 } 11448 11449 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11450 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11451 userId, andCode ? 1 : 0, packageName); 11452 if (mSystemReady) { 11453 msg.sendToTarget(); 11454 } else { 11455 if (mPostSystemReadyMessages == null) { 11456 mPostSystemReadyMessages = new ArrayList<>(); 11457 } 11458 mPostSystemReadyMessages.add(msg); 11459 } 11460 } 11461 11462 void startCleaningPackages() { 11463 // reader 11464 if (!isExternalMediaAvailable()) { 11465 return; 11466 } 11467 synchronized (mPackages) { 11468 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11469 return; 11470 } 11471 } 11472 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11473 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11474 IActivityManager am = ActivityManagerNative.getDefault(); 11475 if (am != null) { 11476 try { 11477 am.startService(null, intent, null, mContext.getOpPackageName(), 11478 UserHandle.USER_SYSTEM); 11479 } catch (RemoteException e) { 11480 } 11481 } 11482 } 11483 11484 @Override 11485 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11486 int installFlags, String installerPackageName, int userId) { 11487 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11488 11489 final int callingUid = Binder.getCallingUid(); 11490 enforceCrossUserPermission(callingUid, userId, 11491 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11492 11493 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11494 try { 11495 if (observer != null) { 11496 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11497 } 11498 } catch (RemoteException re) { 11499 } 11500 return; 11501 } 11502 11503 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11504 installFlags |= PackageManager.INSTALL_FROM_ADB; 11505 11506 } else { 11507 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11508 // about installerPackageName. 11509 11510 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11511 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11512 } 11513 11514 UserHandle user; 11515 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11516 user = UserHandle.ALL; 11517 } else { 11518 user = new UserHandle(userId); 11519 } 11520 11521 // Only system components can circumvent runtime permissions when installing. 11522 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11523 && mContext.checkCallingOrSelfPermission(Manifest.permission 11524 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11525 throw new SecurityException("You need the " 11526 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11527 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11528 } 11529 11530 final File originFile = new File(originPath); 11531 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11532 11533 final Message msg = mHandler.obtainMessage(INIT_COPY); 11534 final VerificationInfo verificationInfo = new VerificationInfo( 11535 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11536 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11537 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11538 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11539 null /*certificates*/); 11540 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11541 msg.obj = params; 11542 11543 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11544 System.identityHashCode(msg.obj)); 11545 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11546 System.identityHashCode(msg.obj)); 11547 11548 mHandler.sendMessage(msg); 11549 } 11550 11551 void installStage(String packageName, File stagedDir, String stagedCid, 11552 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11553 String installerPackageName, int installerUid, UserHandle user, 11554 Certificate[][] certificates) { 11555 if (DEBUG_EPHEMERAL) { 11556 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11557 Slog.d(TAG, "Ephemeral install of " + packageName); 11558 } 11559 } 11560 final VerificationInfo verificationInfo = new VerificationInfo( 11561 sessionParams.originatingUri, sessionParams.referrerUri, 11562 sessionParams.originatingUid, installerUid); 11563 11564 final OriginInfo origin; 11565 if (stagedDir != null) { 11566 origin = OriginInfo.fromStagedFile(stagedDir); 11567 } else { 11568 origin = OriginInfo.fromStagedContainer(stagedCid); 11569 } 11570 11571 final Message msg = mHandler.obtainMessage(INIT_COPY); 11572 final InstallParams params = new InstallParams(origin, null, observer, 11573 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11574 verificationInfo, user, sessionParams.abiOverride, 11575 sessionParams.grantedRuntimePermissions, certificates); 11576 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11577 msg.obj = params; 11578 11579 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11580 System.identityHashCode(msg.obj)); 11581 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11582 System.identityHashCode(msg.obj)); 11583 11584 mHandler.sendMessage(msg); 11585 } 11586 11587 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11588 int userId) { 11589 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11590 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11591 } 11592 11593 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11594 int appId, int userId) { 11595 Bundle extras = new Bundle(1); 11596 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11597 11598 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11599 packageName, extras, 0, null, null, new int[] {userId}); 11600 try { 11601 IActivityManager am = ActivityManagerNative.getDefault(); 11602 if (isSystem && am.isUserRunning(userId, 0)) { 11603 // The just-installed/enabled app is bundled on the system, so presumed 11604 // to be able to run automatically without needing an explicit launch. 11605 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11606 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11607 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11608 .setPackage(packageName); 11609 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11610 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11611 } 11612 } catch (RemoteException e) { 11613 // shouldn't happen 11614 Slog.w(TAG, "Unable to bootstrap installed package", e); 11615 } 11616 } 11617 11618 @Override 11619 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11620 int userId) { 11621 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11622 PackageSetting pkgSetting; 11623 final int uid = Binder.getCallingUid(); 11624 enforceCrossUserPermission(uid, userId, 11625 true /* requireFullPermission */, true /* checkShell */, 11626 "setApplicationHiddenSetting for user " + userId); 11627 11628 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11629 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11630 return false; 11631 } 11632 11633 long callingId = Binder.clearCallingIdentity(); 11634 try { 11635 boolean sendAdded = false; 11636 boolean sendRemoved = false; 11637 // writer 11638 synchronized (mPackages) { 11639 pkgSetting = mSettings.mPackages.get(packageName); 11640 if (pkgSetting == null) { 11641 return false; 11642 } 11643 if (pkgSetting.getHidden(userId) != hidden) { 11644 pkgSetting.setHidden(hidden, userId); 11645 mSettings.writePackageRestrictionsLPr(userId); 11646 if (hidden) { 11647 sendRemoved = true; 11648 } else { 11649 sendAdded = true; 11650 } 11651 } 11652 } 11653 if (sendAdded) { 11654 sendPackageAddedForUser(packageName, pkgSetting, userId); 11655 return true; 11656 } 11657 if (sendRemoved) { 11658 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11659 "hiding pkg"); 11660 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11661 return true; 11662 } 11663 } finally { 11664 Binder.restoreCallingIdentity(callingId); 11665 } 11666 return false; 11667 } 11668 11669 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11670 int userId) { 11671 final PackageRemovedInfo info = new PackageRemovedInfo(); 11672 info.removedPackage = packageName; 11673 info.removedUsers = new int[] {userId}; 11674 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11675 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11676 } 11677 11678 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11679 if (pkgList.length > 0) { 11680 Bundle extras = new Bundle(1); 11681 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11682 11683 sendPackageBroadcast( 11684 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11685 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11686 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11687 new int[] {userId}); 11688 } 11689 } 11690 11691 /** 11692 * Returns true if application is not found or there was an error. Otherwise it returns 11693 * the hidden state of the package for the given user. 11694 */ 11695 @Override 11696 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11697 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11698 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11699 true /* requireFullPermission */, false /* checkShell */, 11700 "getApplicationHidden for user " + userId); 11701 PackageSetting pkgSetting; 11702 long callingId = Binder.clearCallingIdentity(); 11703 try { 11704 // writer 11705 synchronized (mPackages) { 11706 pkgSetting = mSettings.mPackages.get(packageName); 11707 if (pkgSetting == null) { 11708 return true; 11709 } 11710 return pkgSetting.getHidden(userId); 11711 } 11712 } finally { 11713 Binder.restoreCallingIdentity(callingId); 11714 } 11715 } 11716 11717 /** 11718 * @hide 11719 */ 11720 @Override 11721 public int installExistingPackageAsUser(String packageName, int userId) { 11722 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11723 null); 11724 PackageSetting pkgSetting; 11725 final int uid = Binder.getCallingUid(); 11726 enforceCrossUserPermission(uid, userId, 11727 true /* requireFullPermission */, true /* checkShell */, 11728 "installExistingPackage for user " + userId); 11729 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11730 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11731 } 11732 11733 long callingId = Binder.clearCallingIdentity(); 11734 try { 11735 boolean installed = false; 11736 11737 // writer 11738 synchronized (mPackages) { 11739 pkgSetting = mSettings.mPackages.get(packageName); 11740 if (pkgSetting == null) { 11741 return PackageManager.INSTALL_FAILED_INVALID_URI; 11742 } 11743 if (!pkgSetting.getInstalled(userId)) { 11744 pkgSetting.setInstalled(true, userId); 11745 pkgSetting.setHidden(false, userId); 11746 mSettings.writePackageRestrictionsLPr(userId); 11747 installed = true; 11748 } 11749 } 11750 11751 if (installed) { 11752 if (pkgSetting.pkg != null) { 11753 synchronized (mInstallLock) { 11754 // We don't need to freeze for a brand new install 11755 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11756 } 11757 } 11758 sendPackageAddedForUser(packageName, pkgSetting, userId); 11759 } 11760 } finally { 11761 Binder.restoreCallingIdentity(callingId); 11762 } 11763 11764 return PackageManager.INSTALL_SUCCEEDED; 11765 } 11766 11767 boolean isUserRestricted(int userId, String restrictionKey) { 11768 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11769 if (restrictions.getBoolean(restrictionKey, false)) { 11770 Log.w(TAG, "User is restricted: " + restrictionKey); 11771 return true; 11772 } 11773 return false; 11774 } 11775 11776 @Override 11777 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11778 int userId) { 11779 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11780 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11781 true /* requireFullPermission */, true /* checkShell */, 11782 "setPackagesSuspended for user " + userId); 11783 11784 if (ArrayUtils.isEmpty(packageNames)) { 11785 return packageNames; 11786 } 11787 11788 // List of package names for whom the suspended state has changed. 11789 List<String> changedPackages = new ArrayList<>(packageNames.length); 11790 // List of package names for whom the suspended state is not set as requested in this 11791 // method. 11792 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11793 long callingId = Binder.clearCallingIdentity(); 11794 try { 11795 for (int i = 0; i < packageNames.length; i++) { 11796 String packageName = packageNames[i]; 11797 boolean changed = false; 11798 final int appId; 11799 synchronized (mPackages) { 11800 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11801 if (pkgSetting == null) { 11802 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11803 + "\". Skipping suspending/un-suspending."); 11804 unactionedPackages.add(packageName); 11805 continue; 11806 } 11807 appId = pkgSetting.appId; 11808 if (pkgSetting.getSuspended(userId) != suspended) { 11809 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11810 unactionedPackages.add(packageName); 11811 continue; 11812 } 11813 pkgSetting.setSuspended(suspended, userId); 11814 mSettings.writePackageRestrictionsLPr(userId); 11815 changed = true; 11816 changedPackages.add(packageName); 11817 } 11818 } 11819 11820 if (changed && suspended) { 11821 killApplication(packageName, UserHandle.getUid(userId, appId), 11822 "suspending package"); 11823 } 11824 } 11825 } finally { 11826 Binder.restoreCallingIdentity(callingId); 11827 } 11828 11829 if (!changedPackages.isEmpty()) { 11830 sendPackagesSuspendedForUser(changedPackages.toArray( 11831 new String[changedPackages.size()]), userId, suspended); 11832 } 11833 11834 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11835 } 11836 11837 @Override 11838 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11839 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11840 true /* requireFullPermission */, false /* checkShell */, 11841 "isPackageSuspendedForUser for user " + userId); 11842 synchronized (mPackages) { 11843 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11844 if (pkgSetting == null) { 11845 throw new IllegalArgumentException("Unknown target package: " + packageName); 11846 } 11847 return pkgSetting.getSuspended(userId); 11848 } 11849 } 11850 11851 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11852 if (isPackageDeviceAdmin(packageName, userId)) { 11853 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11854 + "\": has an active device admin"); 11855 return false; 11856 } 11857 11858 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11859 if (packageName.equals(activeLauncherPackageName)) { 11860 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11861 + "\": contains the active launcher"); 11862 return false; 11863 } 11864 11865 if (packageName.equals(mRequiredInstallerPackage)) { 11866 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11867 + "\": required for package installation"); 11868 return false; 11869 } 11870 11871 if (packageName.equals(mRequiredVerifierPackage)) { 11872 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11873 + "\": required for package verification"); 11874 return false; 11875 } 11876 11877 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11878 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11879 + "\": is the default dialer"); 11880 return false; 11881 } 11882 11883 return true; 11884 } 11885 11886 private String getActiveLauncherPackageName(int userId) { 11887 Intent intent = new Intent(Intent.ACTION_MAIN); 11888 intent.addCategory(Intent.CATEGORY_HOME); 11889 ResolveInfo resolveInfo = resolveIntent( 11890 intent, 11891 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11892 PackageManager.MATCH_DEFAULT_ONLY, 11893 userId); 11894 11895 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11896 } 11897 11898 private String getDefaultDialerPackageName(int userId) { 11899 synchronized (mPackages) { 11900 return mSettings.getDefaultDialerPackageNameLPw(userId); 11901 } 11902 } 11903 11904 @Override 11905 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11906 mContext.enforceCallingOrSelfPermission( 11907 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11908 "Only package verification agents can verify applications"); 11909 11910 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11911 final PackageVerificationResponse response = new PackageVerificationResponse( 11912 verificationCode, Binder.getCallingUid()); 11913 msg.arg1 = id; 11914 msg.obj = response; 11915 mHandler.sendMessage(msg); 11916 } 11917 11918 @Override 11919 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11920 long millisecondsToDelay) { 11921 mContext.enforceCallingOrSelfPermission( 11922 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11923 "Only package verification agents can extend verification timeouts"); 11924 11925 final PackageVerificationState state = mPendingVerification.get(id); 11926 final PackageVerificationResponse response = new PackageVerificationResponse( 11927 verificationCodeAtTimeout, Binder.getCallingUid()); 11928 11929 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11930 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11931 } 11932 if (millisecondsToDelay < 0) { 11933 millisecondsToDelay = 0; 11934 } 11935 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11936 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11937 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11938 } 11939 11940 if ((state != null) && !state.timeoutExtended()) { 11941 state.extendTimeout(); 11942 11943 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11944 msg.arg1 = id; 11945 msg.obj = response; 11946 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11947 } 11948 } 11949 11950 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11951 int verificationCode, UserHandle user) { 11952 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11953 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11954 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11955 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11956 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11957 11958 mContext.sendBroadcastAsUser(intent, user, 11959 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11960 } 11961 11962 private ComponentName matchComponentForVerifier(String packageName, 11963 List<ResolveInfo> receivers) { 11964 ActivityInfo targetReceiver = null; 11965 11966 final int NR = receivers.size(); 11967 for (int i = 0; i < NR; i++) { 11968 final ResolveInfo info = receivers.get(i); 11969 if (info.activityInfo == null) { 11970 continue; 11971 } 11972 11973 if (packageName.equals(info.activityInfo.packageName)) { 11974 targetReceiver = info.activityInfo; 11975 break; 11976 } 11977 } 11978 11979 if (targetReceiver == null) { 11980 return null; 11981 } 11982 11983 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11984 } 11985 11986 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11987 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11988 if (pkgInfo.verifiers.length == 0) { 11989 return null; 11990 } 11991 11992 final int N = pkgInfo.verifiers.length; 11993 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11994 for (int i = 0; i < N; i++) { 11995 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11996 11997 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11998 receivers); 11999 if (comp == null) { 12000 continue; 12001 } 12002 12003 final int verifierUid = getUidForVerifier(verifierInfo); 12004 if (verifierUid == -1) { 12005 continue; 12006 } 12007 12008 if (DEBUG_VERIFY) { 12009 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 12010 + " with the correct signature"); 12011 } 12012 sufficientVerifiers.add(comp); 12013 verificationState.addSufficientVerifier(verifierUid); 12014 } 12015 12016 return sufficientVerifiers; 12017 } 12018 12019 private int getUidForVerifier(VerifierInfo verifierInfo) { 12020 synchronized (mPackages) { 12021 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 12022 if (pkg == null) { 12023 return -1; 12024 } else if (pkg.mSignatures.length != 1) { 12025 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12026 + " has more than one signature; ignoring"); 12027 return -1; 12028 } 12029 12030 /* 12031 * If the public key of the package's signature does not match 12032 * our expected public key, then this is a different package and 12033 * we should skip. 12034 */ 12035 12036 final byte[] expectedPublicKey; 12037 try { 12038 final Signature verifierSig = pkg.mSignatures[0]; 12039 final PublicKey publicKey = verifierSig.getPublicKey(); 12040 expectedPublicKey = publicKey.getEncoded(); 12041 } catch (CertificateException e) { 12042 return -1; 12043 } 12044 12045 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 12046 12047 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 12048 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 12049 + " does not have the expected public key; ignoring"); 12050 return -1; 12051 } 12052 12053 return pkg.applicationInfo.uid; 12054 } 12055 } 12056 12057 @Override 12058 public void finishPackageInstall(int token, boolean didLaunch) { 12059 enforceSystemOrRoot("Only the system is allowed to finish installs"); 12060 12061 if (DEBUG_INSTALL) { 12062 Slog.v(TAG, "BM finishing package install for " + token); 12063 } 12064 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12065 12066 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 12067 mHandler.sendMessage(msg); 12068 } 12069 12070 /** 12071 * Get the verification agent timeout. 12072 * 12073 * @return verification timeout in milliseconds 12074 */ 12075 private long getVerificationTimeout() { 12076 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 12077 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 12078 DEFAULT_VERIFICATION_TIMEOUT); 12079 } 12080 12081 /** 12082 * Get the default verification agent response code. 12083 * 12084 * @return default verification response code 12085 */ 12086 private int getDefaultVerificationResponse() { 12087 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12088 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 12089 DEFAULT_VERIFICATION_RESPONSE); 12090 } 12091 12092 /** 12093 * Check whether or not package verification has been enabled. 12094 * 12095 * @return true if verification should be performed 12096 */ 12097 private boolean isVerificationEnabled(int userId, int installFlags) { 12098 if (!DEFAULT_VERIFY_ENABLE) { 12099 return false; 12100 } 12101 // Ephemeral apps don't get the full verification treatment 12102 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 12103 if (DEBUG_EPHEMERAL) { 12104 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 12105 } 12106 return false; 12107 } 12108 12109 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 12110 12111 // Check if installing from ADB 12112 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 12113 // Do not run verification in a test harness environment 12114 if (ActivityManager.isRunningInTestHarness()) { 12115 return false; 12116 } 12117 if (ensureVerifyAppsEnabled) { 12118 return true; 12119 } 12120 // Check if the developer does not want package verification for ADB installs 12121 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12122 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 12123 return false; 12124 } 12125 } 12126 12127 if (ensureVerifyAppsEnabled) { 12128 return true; 12129 } 12130 12131 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12132 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 12133 } 12134 12135 @Override 12136 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 12137 throws RemoteException { 12138 mContext.enforceCallingOrSelfPermission( 12139 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12140 "Only intentfilter verification agents can verify applications"); 12141 12142 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12143 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12144 Binder.getCallingUid(), verificationCode, failedDomains); 12145 msg.arg1 = id; 12146 msg.obj = response; 12147 mHandler.sendMessage(msg); 12148 } 12149 12150 @Override 12151 public int getIntentVerificationStatus(String packageName, int userId) { 12152 synchronized (mPackages) { 12153 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12154 } 12155 } 12156 12157 @Override 12158 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12159 mContext.enforceCallingOrSelfPermission( 12160 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12161 12162 boolean result = false; 12163 synchronized (mPackages) { 12164 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12165 } 12166 if (result) { 12167 scheduleWritePackageRestrictionsLocked(userId); 12168 } 12169 return result; 12170 } 12171 12172 @Override 12173 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12174 String packageName) { 12175 synchronized (mPackages) { 12176 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12177 } 12178 } 12179 12180 @Override 12181 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12182 if (TextUtils.isEmpty(packageName)) { 12183 return ParceledListSlice.emptyList(); 12184 } 12185 synchronized (mPackages) { 12186 PackageParser.Package pkg = mPackages.get(packageName); 12187 if (pkg == null || pkg.activities == null) { 12188 return ParceledListSlice.emptyList(); 12189 } 12190 final int count = pkg.activities.size(); 12191 ArrayList<IntentFilter> result = new ArrayList<>(); 12192 for (int n=0; n<count; n++) { 12193 PackageParser.Activity activity = pkg.activities.get(n); 12194 if (activity.intents != null && activity.intents.size() > 0) { 12195 result.addAll(activity.intents); 12196 } 12197 } 12198 return new ParceledListSlice<>(result); 12199 } 12200 } 12201 12202 @Override 12203 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12204 mContext.enforceCallingOrSelfPermission( 12205 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12206 12207 synchronized (mPackages) { 12208 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12209 if (packageName != null) { 12210 result |= updateIntentVerificationStatus(packageName, 12211 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12212 userId); 12213 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12214 packageName, userId); 12215 } 12216 return result; 12217 } 12218 } 12219 12220 @Override 12221 public String getDefaultBrowserPackageName(int userId) { 12222 synchronized (mPackages) { 12223 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12224 } 12225 } 12226 12227 /** 12228 * Get the "allow unknown sources" setting. 12229 * 12230 * @return the current "allow unknown sources" setting 12231 */ 12232 private int getUnknownSourcesSettings() { 12233 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12234 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12235 -1); 12236 } 12237 12238 @Override 12239 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12240 final int uid = Binder.getCallingUid(); 12241 // writer 12242 synchronized (mPackages) { 12243 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12244 if (targetPackageSetting == null) { 12245 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12246 } 12247 12248 PackageSetting installerPackageSetting; 12249 if (installerPackageName != null) { 12250 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12251 if (installerPackageSetting == null) { 12252 throw new IllegalArgumentException("Unknown installer package: " 12253 + installerPackageName); 12254 } 12255 } else { 12256 installerPackageSetting = null; 12257 } 12258 12259 Signature[] callerSignature; 12260 Object obj = mSettings.getUserIdLPr(uid); 12261 if (obj != null) { 12262 if (obj instanceof SharedUserSetting) { 12263 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12264 } else if (obj instanceof PackageSetting) { 12265 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12266 } else { 12267 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12268 } 12269 } else { 12270 throw new SecurityException("Unknown calling UID: " + uid); 12271 } 12272 12273 // Verify: can't set installerPackageName to a package that is 12274 // not signed with the same cert as the caller. 12275 if (installerPackageSetting != null) { 12276 if (compareSignatures(callerSignature, 12277 installerPackageSetting.signatures.mSignatures) 12278 != PackageManager.SIGNATURE_MATCH) { 12279 throw new SecurityException( 12280 "Caller does not have same cert as new installer package " 12281 + installerPackageName); 12282 } 12283 } 12284 12285 // Verify: if target already has an installer package, it must 12286 // be signed with the same cert as the caller. 12287 if (targetPackageSetting.installerPackageName != null) { 12288 PackageSetting setting = mSettings.mPackages.get( 12289 targetPackageSetting.installerPackageName); 12290 // If the currently set package isn't valid, then it's always 12291 // okay to change it. 12292 if (setting != null) { 12293 if (compareSignatures(callerSignature, 12294 setting.signatures.mSignatures) 12295 != PackageManager.SIGNATURE_MATCH) { 12296 throw new SecurityException( 12297 "Caller does not have same cert as old installer package " 12298 + targetPackageSetting.installerPackageName); 12299 } 12300 } 12301 } 12302 12303 // Okay! 12304 targetPackageSetting.installerPackageName = installerPackageName; 12305 if (installerPackageName != null) { 12306 mSettings.mInstallerPackages.add(installerPackageName); 12307 } 12308 scheduleWriteSettingsLocked(); 12309 } 12310 } 12311 12312 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12313 // Queue up an async operation since the package installation may take a little while. 12314 mHandler.post(new Runnable() { 12315 public void run() { 12316 mHandler.removeCallbacks(this); 12317 // Result object to be returned 12318 PackageInstalledInfo res = new PackageInstalledInfo(); 12319 res.setReturnCode(currentStatus); 12320 res.uid = -1; 12321 res.pkg = null; 12322 res.removedInfo = null; 12323 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12324 args.doPreInstall(res.returnCode); 12325 synchronized (mInstallLock) { 12326 installPackageTracedLI(args, res); 12327 } 12328 args.doPostInstall(res.returnCode, res.uid); 12329 } 12330 12331 // A restore should be performed at this point if (a) the install 12332 // succeeded, (b) the operation is not an update, and (c) the new 12333 // package has not opted out of backup participation. 12334 final boolean update = res.removedInfo != null 12335 && res.removedInfo.removedPackage != null; 12336 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12337 boolean doRestore = !update 12338 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12339 12340 // Set up the post-install work request bookkeeping. This will be used 12341 // and cleaned up by the post-install event handling regardless of whether 12342 // there's a restore pass performed. Token values are >= 1. 12343 int token; 12344 if (mNextInstallToken < 0) mNextInstallToken = 1; 12345 token = mNextInstallToken++; 12346 12347 PostInstallData data = new PostInstallData(args, res); 12348 mRunningInstalls.put(token, data); 12349 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12350 12351 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12352 // Pass responsibility to the Backup Manager. It will perform a 12353 // restore if appropriate, then pass responsibility back to the 12354 // Package Manager to run the post-install observer callbacks 12355 // and broadcasts. 12356 IBackupManager bm = IBackupManager.Stub.asInterface( 12357 ServiceManager.getService(Context.BACKUP_SERVICE)); 12358 if (bm != null) { 12359 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12360 + " to BM for possible restore"); 12361 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12362 try { 12363 // TODO: http://b/22388012 12364 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12365 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12366 } else { 12367 doRestore = false; 12368 } 12369 } catch (RemoteException e) { 12370 // can't happen; the backup manager is local 12371 } catch (Exception e) { 12372 Slog.e(TAG, "Exception trying to enqueue restore", e); 12373 doRestore = false; 12374 } 12375 } else { 12376 Slog.e(TAG, "Backup Manager not found!"); 12377 doRestore = false; 12378 } 12379 } 12380 12381 if (!doRestore) { 12382 // No restore possible, or the Backup Manager was mysteriously not 12383 // available -- just fire the post-install work request directly. 12384 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12385 12386 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12387 12388 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12389 mHandler.sendMessage(msg); 12390 } 12391 } 12392 }); 12393 } 12394 12395 /** 12396 * Callback from PackageSettings whenever an app is first transitioned out of the 12397 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12398 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12399 * here whether the app is the target of an ongoing install, and only send the 12400 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12401 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12402 * handling. 12403 */ 12404 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12405 // Serialize this with the rest of the install-process message chain. In the 12406 // restore-at-install case, this Runnable will necessarily run before the 12407 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12408 // are coherent. In the non-restore case, the app has already completed install 12409 // and been launched through some other means, so it is not in a problematic 12410 // state for observers to see the FIRST_LAUNCH signal. 12411 mHandler.post(new Runnable() { 12412 @Override 12413 public void run() { 12414 for (int i = 0; i < mRunningInstalls.size(); i++) { 12415 final PostInstallData data = mRunningInstalls.valueAt(i); 12416 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12417 // right package; but is it for the right user? 12418 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12419 if (userId == data.res.newUsers[uIndex]) { 12420 if (DEBUG_BACKUP) { 12421 Slog.i(TAG, "Package " + pkgName 12422 + " being restored so deferring FIRST_LAUNCH"); 12423 } 12424 return; 12425 } 12426 } 12427 } 12428 } 12429 // didn't find it, so not being restored 12430 if (DEBUG_BACKUP) { 12431 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12432 } 12433 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12434 } 12435 }); 12436 } 12437 12438 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12439 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12440 installerPkg, null, userIds); 12441 } 12442 12443 private abstract class HandlerParams { 12444 private static final int MAX_RETRIES = 4; 12445 12446 /** 12447 * Number of times startCopy() has been attempted and had a non-fatal 12448 * error. 12449 */ 12450 private int mRetries = 0; 12451 12452 /** User handle for the user requesting the information or installation. */ 12453 private final UserHandle mUser; 12454 String traceMethod; 12455 int traceCookie; 12456 12457 HandlerParams(UserHandle user) { 12458 mUser = user; 12459 } 12460 12461 UserHandle getUser() { 12462 return mUser; 12463 } 12464 12465 HandlerParams setTraceMethod(String traceMethod) { 12466 this.traceMethod = traceMethod; 12467 return this; 12468 } 12469 12470 HandlerParams setTraceCookie(int traceCookie) { 12471 this.traceCookie = traceCookie; 12472 return this; 12473 } 12474 12475 final boolean startCopy() { 12476 boolean res; 12477 try { 12478 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12479 12480 if (++mRetries > MAX_RETRIES) { 12481 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12482 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12483 handleServiceError(); 12484 return false; 12485 } else { 12486 handleStartCopy(); 12487 res = true; 12488 } 12489 } catch (RemoteException e) { 12490 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12491 mHandler.sendEmptyMessage(MCS_RECONNECT); 12492 res = false; 12493 } 12494 handleReturnCode(); 12495 return res; 12496 } 12497 12498 final void serviceError() { 12499 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12500 handleServiceError(); 12501 handleReturnCode(); 12502 } 12503 12504 abstract void handleStartCopy() throws RemoteException; 12505 abstract void handleServiceError(); 12506 abstract void handleReturnCode(); 12507 } 12508 12509 class MeasureParams extends HandlerParams { 12510 private final PackageStats mStats; 12511 private boolean mSuccess; 12512 12513 private final IPackageStatsObserver mObserver; 12514 12515 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12516 super(new UserHandle(stats.userHandle)); 12517 mObserver = observer; 12518 mStats = stats; 12519 } 12520 12521 @Override 12522 public String toString() { 12523 return "MeasureParams{" 12524 + Integer.toHexString(System.identityHashCode(this)) 12525 + " " + mStats.packageName + "}"; 12526 } 12527 12528 @Override 12529 void handleStartCopy() throws RemoteException { 12530 synchronized (mInstallLock) { 12531 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12532 } 12533 12534 if (mSuccess) { 12535 final boolean mounted; 12536 if (Environment.isExternalStorageEmulated()) { 12537 mounted = true; 12538 } else { 12539 final String status = Environment.getExternalStorageState(); 12540 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12541 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12542 } 12543 12544 if (mounted) { 12545 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12546 12547 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12548 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12549 12550 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12551 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12552 12553 // Always subtract cache size, since it's a subdirectory 12554 mStats.externalDataSize -= mStats.externalCacheSize; 12555 12556 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12557 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12558 12559 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12560 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12561 } 12562 } 12563 } 12564 12565 @Override 12566 void handleReturnCode() { 12567 if (mObserver != null) { 12568 try { 12569 mObserver.onGetStatsCompleted(mStats, mSuccess); 12570 } catch (RemoteException e) { 12571 Slog.i(TAG, "Observer no longer exists."); 12572 } 12573 } 12574 } 12575 12576 @Override 12577 void handleServiceError() { 12578 Slog.e(TAG, "Could not measure application " + mStats.packageName 12579 + " external storage"); 12580 } 12581 } 12582 12583 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12584 throws RemoteException { 12585 long result = 0; 12586 for (File path : paths) { 12587 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12588 } 12589 return result; 12590 } 12591 12592 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12593 for (File path : paths) { 12594 try { 12595 mcs.clearDirectory(path.getAbsolutePath()); 12596 } catch (RemoteException e) { 12597 } 12598 } 12599 } 12600 12601 static class OriginInfo { 12602 /** 12603 * Location where install is coming from, before it has been 12604 * copied/renamed into place. This could be a single monolithic APK 12605 * file, or a cluster directory. This location may be untrusted. 12606 */ 12607 final File file; 12608 final String cid; 12609 12610 /** 12611 * Flag indicating that {@link #file} or {@link #cid} has already been 12612 * staged, meaning downstream users don't need to defensively copy the 12613 * contents. 12614 */ 12615 final boolean staged; 12616 12617 /** 12618 * Flag indicating that {@link #file} or {@link #cid} is an already 12619 * installed app that is being moved. 12620 */ 12621 final boolean existing; 12622 12623 final String resolvedPath; 12624 final File resolvedFile; 12625 12626 static OriginInfo fromNothing() { 12627 return new OriginInfo(null, null, false, false); 12628 } 12629 12630 static OriginInfo fromUntrustedFile(File file) { 12631 return new OriginInfo(file, null, false, false); 12632 } 12633 12634 static OriginInfo fromExistingFile(File file) { 12635 return new OriginInfo(file, null, false, true); 12636 } 12637 12638 static OriginInfo fromStagedFile(File file) { 12639 return new OriginInfo(file, null, true, false); 12640 } 12641 12642 static OriginInfo fromStagedContainer(String cid) { 12643 return new OriginInfo(null, cid, true, false); 12644 } 12645 12646 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12647 this.file = file; 12648 this.cid = cid; 12649 this.staged = staged; 12650 this.existing = existing; 12651 12652 if (cid != null) { 12653 resolvedPath = PackageHelper.getSdDir(cid); 12654 resolvedFile = new File(resolvedPath); 12655 } else if (file != null) { 12656 resolvedPath = file.getAbsolutePath(); 12657 resolvedFile = file; 12658 } else { 12659 resolvedPath = null; 12660 resolvedFile = null; 12661 } 12662 } 12663 } 12664 12665 static class MoveInfo { 12666 final int moveId; 12667 final String fromUuid; 12668 final String toUuid; 12669 final String packageName; 12670 final String dataAppName; 12671 final int appId; 12672 final String seinfo; 12673 final int targetSdkVersion; 12674 12675 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12676 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12677 this.moveId = moveId; 12678 this.fromUuid = fromUuid; 12679 this.toUuid = toUuid; 12680 this.packageName = packageName; 12681 this.dataAppName = dataAppName; 12682 this.appId = appId; 12683 this.seinfo = seinfo; 12684 this.targetSdkVersion = targetSdkVersion; 12685 } 12686 } 12687 12688 static class VerificationInfo { 12689 /** A constant used to indicate that a uid value is not present. */ 12690 public static final int NO_UID = -1; 12691 12692 /** URI referencing where the package was downloaded from. */ 12693 final Uri originatingUri; 12694 12695 /** HTTP referrer URI associated with the originatingURI. */ 12696 final Uri referrer; 12697 12698 /** UID of the application that the install request originated from. */ 12699 final int originatingUid; 12700 12701 /** UID of application requesting the install */ 12702 final int installerUid; 12703 12704 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12705 this.originatingUri = originatingUri; 12706 this.referrer = referrer; 12707 this.originatingUid = originatingUid; 12708 this.installerUid = installerUid; 12709 } 12710 } 12711 12712 class InstallParams extends HandlerParams { 12713 final OriginInfo origin; 12714 final MoveInfo move; 12715 final IPackageInstallObserver2 observer; 12716 int installFlags; 12717 final String installerPackageName; 12718 final String volumeUuid; 12719 private InstallArgs mArgs; 12720 private int mRet; 12721 final String packageAbiOverride; 12722 final String[] grantedRuntimePermissions; 12723 final VerificationInfo verificationInfo; 12724 final Certificate[][] certificates; 12725 12726 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12727 int installFlags, String installerPackageName, String volumeUuid, 12728 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12729 String[] grantedPermissions, Certificate[][] certificates) { 12730 super(user); 12731 this.origin = origin; 12732 this.move = move; 12733 this.observer = observer; 12734 this.installFlags = installFlags; 12735 this.installerPackageName = installerPackageName; 12736 this.volumeUuid = volumeUuid; 12737 this.verificationInfo = verificationInfo; 12738 this.packageAbiOverride = packageAbiOverride; 12739 this.grantedRuntimePermissions = grantedPermissions; 12740 this.certificates = certificates; 12741 } 12742 12743 @Override 12744 public String toString() { 12745 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12746 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12747 } 12748 12749 private int installLocationPolicy(PackageInfoLite pkgLite) { 12750 String packageName = pkgLite.packageName; 12751 int installLocation = pkgLite.installLocation; 12752 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12753 // reader 12754 synchronized (mPackages) { 12755 // Currently installed package which the new package is attempting to replace or 12756 // null if no such package is installed. 12757 PackageParser.Package installedPkg = mPackages.get(packageName); 12758 // Package which currently owns the data which the new package will own if installed. 12759 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12760 // will be null whereas dataOwnerPkg will contain information about the package 12761 // which was uninstalled while keeping its data. 12762 PackageParser.Package dataOwnerPkg = installedPkg; 12763 if (dataOwnerPkg == null) { 12764 PackageSetting ps = mSettings.mPackages.get(packageName); 12765 if (ps != null) { 12766 dataOwnerPkg = ps.pkg; 12767 } 12768 } 12769 12770 if (dataOwnerPkg != null) { 12771 // If installed, the package will get access to data left on the device by its 12772 // predecessor. As a security measure, this is permited only if this is not a 12773 // version downgrade or if the predecessor package is marked as debuggable and 12774 // a downgrade is explicitly requested. 12775 // 12776 // On debuggable platform builds, downgrades are permitted even for 12777 // non-debuggable packages to make testing easier. Debuggable platform builds do 12778 // not offer security guarantees and thus it's OK to disable some security 12779 // mechanisms to make debugging/testing easier on those builds. However, even on 12780 // debuggable builds downgrades of packages are permitted only if requested via 12781 // installFlags. This is because we aim to keep the behavior of debuggable 12782 // platform builds as close as possible to the behavior of non-debuggable 12783 // platform builds. 12784 final boolean downgradeRequested = 12785 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12786 final boolean packageDebuggable = 12787 (dataOwnerPkg.applicationInfo.flags 12788 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12789 final boolean downgradePermitted = 12790 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12791 if (!downgradePermitted) { 12792 try { 12793 checkDowngrade(dataOwnerPkg, pkgLite); 12794 } catch (PackageManagerException e) { 12795 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12796 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12797 } 12798 } 12799 } 12800 12801 if (installedPkg != null) { 12802 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12803 // Check for updated system application. 12804 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12805 if (onSd) { 12806 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12807 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12808 } 12809 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12810 } else { 12811 if (onSd) { 12812 // Install flag overrides everything. 12813 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12814 } 12815 // If current upgrade specifies particular preference 12816 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12817 // Application explicitly specified internal. 12818 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12819 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12820 // App explictly prefers external. Let policy decide 12821 } else { 12822 // Prefer previous location 12823 if (isExternal(installedPkg)) { 12824 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12825 } 12826 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12827 } 12828 } 12829 } else { 12830 // Invalid install. Return error code 12831 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12832 } 12833 } 12834 } 12835 // All the special cases have been taken care of. 12836 // Return result based on recommended install location. 12837 if (onSd) { 12838 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12839 } 12840 return pkgLite.recommendedInstallLocation; 12841 } 12842 12843 /* 12844 * Invoke remote method to get package information and install 12845 * location values. Override install location based on default 12846 * policy if needed and then create install arguments based 12847 * on the install location. 12848 */ 12849 public void handleStartCopy() throws RemoteException { 12850 int ret = PackageManager.INSTALL_SUCCEEDED; 12851 12852 // If we're already staged, we've firmly committed to an install location 12853 if (origin.staged) { 12854 if (origin.file != null) { 12855 installFlags |= PackageManager.INSTALL_INTERNAL; 12856 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12857 } else if (origin.cid != null) { 12858 installFlags |= PackageManager.INSTALL_EXTERNAL; 12859 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12860 } else { 12861 throw new IllegalStateException("Invalid stage location"); 12862 } 12863 } 12864 12865 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12866 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12867 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12868 PackageInfoLite pkgLite = null; 12869 12870 if (onInt && onSd) { 12871 // Check if both bits are set. 12872 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12873 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12874 } else if (onSd && ephemeral) { 12875 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12876 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12877 } else { 12878 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12879 packageAbiOverride); 12880 12881 if (DEBUG_EPHEMERAL && ephemeral) { 12882 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12883 } 12884 12885 /* 12886 * If we have too little free space, try to free cache 12887 * before giving up. 12888 */ 12889 if (!origin.staged && pkgLite.recommendedInstallLocation 12890 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12891 // TODO: focus freeing disk space on the target device 12892 final StorageManager storage = StorageManager.from(mContext); 12893 final long lowThreshold = storage.getStorageLowBytes( 12894 Environment.getDataDirectory()); 12895 12896 final long sizeBytes = mContainerService.calculateInstalledSize( 12897 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12898 12899 try { 12900 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12901 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12902 installFlags, packageAbiOverride); 12903 } catch (InstallerException e) { 12904 Slog.w(TAG, "Failed to free cache", e); 12905 } 12906 12907 /* 12908 * The cache free must have deleted the file we 12909 * downloaded to install. 12910 * 12911 * TODO: fix the "freeCache" call to not delete 12912 * the file we care about. 12913 */ 12914 if (pkgLite.recommendedInstallLocation 12915 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12916 pkgLite.recommendedInstallLocation 12917 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12918 } 12919 } 12920 } 12921 12922 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12923 int loc = pkgLite.recommendedInstallLocation; 12924 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12925 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12926 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12927 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12928 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12929 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12930 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12931 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12932 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12933 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12934 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12935 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12936 } else { 12937 // Override with defaults if needed. 12938 loc = installLocationPolicy(pkgLite); 12939 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12940 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12941 } else if (!onSd && !onInt) { 12942 // Override install location with flags 12943 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12944 // Set the flag to install on external media. 12945 installFlags |= PackageManager.INSTALL_EXTERNAL; 12946 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12947 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12948 if (DEBUG_EPHEMERAL) { 12949 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12950 } 12951 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12952 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12953 |PackageManager.INSTALL_INTERNAL); 12954 } else { 12955 // Make sure the flag for installing on external 12956 // media is unset 12957 installFlags |= PackageManager.INSTALL_INTERNAL; 12958 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12959 } 12960 } 12961 } 12962 } 12963 12964 final InstallArgs args = createInstallArgs(this); 12965 mArgs = args; 12966 12967 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12968 // TODO: http://b/22976637 12969 // Apps installed for "all" users use the device owner to verify the app 12970 UserHandle verifierUser = getUser(); 12971 if (verifierUser == UserHandle.ALL) { 12972 verifierUser = UserHandle.SYSTEM; 12973 } 12974 12975 /* 12976 * Determine if we have any installed package verifiers. If we 12977 * do, then we'll defer to them to verify the packages. 12978 */ 12979 final int requiredUid = mRequiredVerifierPackage == null ? -1 12980 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12981 verifierUser.getIdentifier()); 12982 if (!origin.existing && requiredUid != -1 12983 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12984 final Intent verification = new Intent( 12985 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12986 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12987 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12988 PACKAGE_MIME_TYPE); 12989 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12990 12991 // Query all live verifiers based on current user state 12992 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12993 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12994 12995 if (DEBUG_VERIFY) { 12996 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12997 + verification.toString() + " with " + pkgLite.verifiers.length 12998 + " optional verifiers"); 12999 } 13000 13001 final int verificationId = mPendingVerificationToken++; 13002 13003 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13004 13005 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 13006 installerPackageName); 13007 13008 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 13009 installFlags); 13010 13011 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 13012 pkgLite.packageName); 13013 13014 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 13015 pkgLite.versionCode); 13016 13017 if (verificationInfo != null) { 13018 if (verificationInfo.originatingUri != null) { 13019 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 13020 verificationInfo.originatingUri); 13021 } 13022 if (verificationInfo.referrer != null) { 13023 verification.putExtra(Intent.EXTRA_REFERRER, 13024 verificationInfo.referrer); 13025 } 13026 if (verificationInfo.originatingUid >= 0) { 13027 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 13028 verificationInfo.originatingUid); 13029 } 13030 if (verificationInfo.installerUid >= 0) { 13031 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 13032 verificationInfo.installerUid); 13033 } 13034 } 13035 13036 final PackageVerificationState verificationState = new PackageVerificationState( 13037 requiredUid, args); 13038 13039 mPendingVerification.append(verificationId, verificationState); 13040 13041 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 13042 receivers, verificationState); 13043 13044 /* 13045 * If any sufficient verifiers were listed in the package 13046 * manifest, attempt to ask them. 13047 */ 13048 if (sufficientVerifiers != null) { 13049 final int N = sufficientVerifiers.size(); 13050 if (N == 0) { 13051 Slog.i(TAG, "Additional verifiers required, but none installed."); 13052 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 13053 } else { 13054 for (int i = 0; i < N; i++) { 13055 final ComponentName verifierComponent = sufficientVerifiers.get(i); 13056 13057 final Intent sufficientIntent = new Intent(verification); 13058 sufficientIntent.setComponent(verifierComponent); 13059 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 13060 } 13061 } 13062 } 13063 13064 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 13065 mRequiredVerifierPackage, receivers); 13066 if (ret == PackageManager.INSTALL_SUCCEEDED 13067 && mRequiredVerifierPackage != null) { 13068 Trace.asyncTraceBegin( 13069 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 13070 /* 13071 * Send the intent to the required verification agent, 13072 * but only start the verification timeout after the 13073 * target BroadcastReceivers have run. 13074 */ 13075 verification.setComponent(requiredVerifierComponent); 13076 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 13077 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13078 new BroadcastReceiver() { 13079 @Override 13080 public void onReceive(Context context, Intent intent) { 13081 final Message msg = mHandler 13082 .obtainMessage(CHECK_PENDING_VERIFICATION); 13083 msg.arg1 = verificationId; 13084 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 13085 } 13086 }, null, 0, null, null); 13087 13088 /* 13089 * We don't want the copy to proceed until verification 13090 * succeeds, so null out this field. 13091 */ 13092 mArgs = null; 13093 } 13094 } else { 13095 /* 13096 * No package verification is enabled, so immediately start 13097 * the remote call to initiate copy using temporary file. 13098 */ 13099 ret = args.copyApk(mContainerService, true); 13100 } 13101 } 13102 13103 mRet = ret; 13104 } 13105 13106 @Override 13107 void handleReturnCode() { 13108 // If mArgs is null, then MCS couldn't be reached. When it 13109 // reconnects, it will try again to install. At that point, this 13110 // will succeed. 13111 if (mArgs != null) { 13112 processPendingInstall(mArgs, mRet); 13113 } 13114 } 13115 13116 @Override 13117 void handleServiceError() { 13118 mArgs = createInstallArgs(this); 13119 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13120 } 13121 13122 public boolean isForwardLocked() { 13123 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13124 } 13125 } 13126 13127 /** 13128 * Used during creation of InstallArgs 13129 * 13130 * @param installFlags package installation flags 13131 * @return true if should be installed on external storage 13132 */ 13133 private static boolean installOnExternalAsec(int installFlags) { 13134 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 13135 return false; 13136 } 13137 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13138 return true; 13139 } 13140 return false; 13141 } 13142 13143 /** 13144 * Used during creation of InstallArgs 13145 * 13146 * @param installFlags package installation flags 13147 * @return true if should be installed as forward locked 13148 */ 13149 private static boolean installForwardLocked(int installFlags) { 13150 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13151 } 13152 13153 private InstallArgs createInstallArgs(InstallParams params) { 13154 if (params.move != null) { 13155 return new MoveInstallArgs(params); 13156 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13157 return new AsecInstallArgs(params); 13158 } else { 13159 return new FileInstallArgs(params); 13160 } 13161 } 13162 13163 /** 13164 * Create args that describe an existing installed package. Typically used 13165 * when cleaning up old installs, or used as a move source. 13166 */ 13167 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13168 String resourcePath, String[] instructionSets) { 13169 final boolean isInAsec; 13170 if (installOnExternalAsec(installFlags)) { 13171 /* Apps on SD card are always in ASEC containers. */ 13172 isInAsec = true; 13173 } else if (installForwardLocked(installFlags) 13174 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13175 /* 13176 * Forward-locked apps are only in ASEC containers if they're the 13177 * new style 13178 */ 13179 isInAsec = true; 13180 } else { 13181 isInAsec = false; 13182 } 13183 13184 if (isInAsec) { 13185 return new AsecInstallArgs(codePath, instructionSets, 13186 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13187 } else { 13188 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13189 } 13190 } 13191 13192 static abstract class InstallArgs { 13193 /** @see InstallParams#origin */ 13194 final OriginInfo origin; 13195 /** @see InstallParams#move */ 13196 final MoveInfo move; 13197 13198 final IPackageInstallObserver2 observer; 13199 // Always refers to PackageManager flags only 13200 final int installFlags; 13201 final String installerPackageName; 13202 final String volumeUuid; 13203 final UserHandle user; 13204 final String abiOverride; 13205 final String[] installGrantPermissions; 13206 /** If non-null, drop an async trace when the install completes */ 13207 final String traceMethod; 13208 final int traceCookie; 13209 final Certificate[][] certificates; 13210 13211 // The list of instruction sets supported by this app. This is currently 13212 // only used during the rmdex() phase to clean up resources. We can get rid of this 13213 // if we move dex files under the common app path. 13214 /* nullable */ String[] instructionSets; 13215 13216 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13217 int installFlags, String installerPackageName, String volumeUuid, 13218 UserHandle user, String[] instructionSets, 13219 String abiOverride, String[] installGrantPermissions, 13220 String traceMethod, int traceCookie, Certificate[][] certificates) { 13221 this.origin = origin; 13222 this.move = move; 13223 this.installFlags = installFlags; 13224 this.observer = observer; 13225 this.installerPackageName = installerPackageName; 13226 this.volumeUuid = volumeUuid; 13227 this.user = user; 13228 this.instructionSets = instructionSets; 13229 this.abiOverride = abiOverride; 13230 this.installGrantPermissions = installGrantPermissions; 13231 this.traceMethod = traceMethod; 13232 this.traceCookie = traceCookie; 13233 this.certificates = certificates; 13234 } 13235 13236 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13237 abstract int doPreInstall(int status); 13238 13239 /** 13240 * Rename package into final resting place. All paths on the given 13241 * scanned package should be updated to reflect the rename. 13242 */ 13243 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13244 abstract int doPostInstall(int status, int uid); 13245 13246 /** @see PackageSettingBase#codePathString */ 13247 abstract String getCodePath(); 13248 /** @see PackageSettingBase#resourcePathString */ 13249 abstract String getResourcePath(); 13250 13251 // Need installer lock especially for dex file removal. 13252 abstract void cleanUpResourcesLI(); 13253 abstract boolean doPostDeleteLI(boolean delete); 13254 13255 /** 13256 * Called before the source arguments are copied. This is used mostly 13257 * for MoveParams when it needs to read the source file to put it in the 13258 * destination. 13259 */ 13260 int doPreCopy() { 13261 return PackageManager.INSTALL_SUCCEEDED; 13262 } 13263 13264 /** 13265 * Called after the source arguments are copied. This is used mostly for 13266 * MoveParams when it needs to read the source file to put it in the 13267 * destination. 13268 */ 13269 int doPostCopy(int uid) { 13270 return PackageManager.INSTALL_SUCCEEDED; 13271 } 13272 13273 protected boolean isFwdLocked() { 13274 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13275 } 13276 13277 protected boolean isExternalAsec() { 13278 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13279 } 13280 13281 protected boolean isEphemeral() { 13282 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13283 } 13284 13285 UserHandle getUser() { 13286 return user; 13287 } 13288 } 13289 13290 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13291 if (!allCodePaths.isEmpty()) { 13292 if (instructionSets == null) { 13293 throw new IllegalStateException("instructionSet == null"); 13294 } 13295 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13296 for (String codePath : allCodePaths) { 13297 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13298 try { 13299 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13300 } catch (InstallerException ignored) { 13301 } 13302 } 13303 } 13304 } 13305 } 13306 13307 /** 13308 * Logic to handle installation of non-ASEC applications, including copying 13309 * and renaming logic. 13310 */ 13311 class FileInstallArgs extends InstallArgs { 13312 private File codeFile; 13313 private File resourceFile; 13314 13315 // Example topology: 13316 // /data/app/com.example/base.apk 13317 // /data/app/com.example/split_foo.apk 13318 // /data/app/com.example/lib/arm/libfoo.so 13319 // /data/app/com.example/lib/arm64/libfoo.so 13320 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13321 13322 /** New install */ 13323 FileInstallArgs(InstallParams params) { 13324 super(params.origin, params.move, params.observer, params.installFlags, 13325 params.installerPackageName, params.volumeUuid, 13326 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13327 params.grantedRuntimePermissions, 13328 params.traceMethod, params.traceCookie, params.certificates); 13329 if (isFwdLocked()) { 13330 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13331 } 13332 } 13333 13334 /** Existing install */ 13335 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13336 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13337 null, null, null, 0, null /*certificates*/); 13338 this.codeFile = (codePath != null) ? new File(codePath) : null; 13339 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13340 } 13341 13342 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13343 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13344 try { 13345 return doCopyApk(imcs, temp); 13346 } finally { 13347 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13348 } 13349 } 13350 13351 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13352 if (origin.staged) { 13353 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13354 codeFile = origin.file; 13355 resourceFile = origin.file; 13356 return PackageManager.INSTALL_SUCCEEDED; 13357 } 13358 13359 try { 13360 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13361 final File tempDir = 13362 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13363 codeFile = tempDir; 13364 resourceFile = tempDir; 13365 } catch (IOException e) { 13366 Slog.w(TAG, "Failed to create copy file: " + e); 13367 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13368 } 13369 13370 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13371 @Override 13372 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13373 if (!FileUtils.isValidExtFilename(name)) { 13374 throw new IllegalArgumentException("Invalid filename: " + name); 13375 } 13376 try { 13377 final File file = new File(codeFile, name); 13378 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13379 O_RDWR | O_CREAT, 0644); 13380 Os.chmod(file.getAbsolutePath(), 0644); 13381 return new ParcelFileDescriptor(fd); 13382 } catch (ErrnoException e) { 13383 throw new RemoteException("Failed to open: " + e.getMessage()); 13384 } 13385 } 13386 }; 13387 13388 int ret = PackageManager.INSTALL_SUCCEEDED; 13389 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13390 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13391 Slog.e(TAG, "Failed to copy package"); 13392 return ret; 13393 } 13394 13395 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13396 NativeLibraryHelper.Handle handle = null; 13397 try { 13398 handle = NativeLibraryHelper.Handle.create(codeFile); 13399 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13400 abiOverride); 13401 } catch (IOException e) { 13402 Slog.e(TAG, "Copying native libraries failed", e); 13403 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13404 } finally { 13405 IoUtils.closeQuietly(handle); 13406 } 13407 13408 return ret; 13409 } 13410 13411 int doPreInstall(int status) { 13412 if (status != PackageManager.INSTALL_SUCCEEDED) { 13413 cleanUp(); 13414 } 13415 return status; 13416 } 13417 13418 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13419 if (status != PackageManager.INSTALL_SUCCEEDED) { 13420 cleanUp(); 13421 return false; 13422 } 13423 13424 final File targetDir = codeFile.getParentFile(); 13425 final File beforeCodeFile = codeFile; 13426 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13427 13428 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13429 try { 13430 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13431 } catch (ErrnoException e) { 13432 Slog.w(TAG, "Failed to rename", e); 13433 return false; 13434 } 13435 13436 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13437 Slog.w(TAG, "Failed to restorecon"); 13438 return false; 13439 } 13440 13441 // Reflect the rename internally 13442 codeFile = afterCodeFile; 13443 resourceFile = afterCodeFile; 13444 13445 // Reflect the rename in scanned details 13446 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13447 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13448 afterCodeFile, pkg.baseCodePath)); 13449 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13450 afterCodeFile, pkg.splitCodePaths)); 13451 13452 // Reflect the rename in app info 13453 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13454 pkg.setApplicationInfoCodePath(pkg.codePath); 13455 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13456 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13457 pkg.setApplicationInfoResourcePath(pkg.codePath); 13458 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13459 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13460 13461 return true; 13462 } 13463 13464 int doPostInstall(int status, int uid) { 13465 if (status != PackageManager.INSTALL_SUCCEEDED) { 13466 cleanUp(); 13467 } 13468 return status; 13469 } 13470 13471 @Override 13472 String getCodePath() { 13473 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13474 } 13475 13476 @Override 13477 String getResourcePath() { 13478 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13479 } 13480 13481 private boolean cleanUp() { 13482 if (codeFile == null || !codeFile.exists()) { 13483 return false; 13484 } 13485 13486 removeCodePathLI(codeFile); 13487 13488 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13489 resourceFile.delete(); 13490 } 13491 13492 return true; 13493 } 13494 13495 void cleanUpResourcesLI() { 13496 // Try enumerating all code paths before deleting 13497 List<String> allCodePaths = Collections.EMPTY_LIST; 13498 if (codeFile != null && codeFile.exists()) { 13499 try { 13500 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13501 allCodePaths = pkg.getAllCodePaths(); 13502 } catch (PackageParserException e) { 13503 // Ignored; we tried our best 13504 } 13505 } 13506 13507 cleanUp(); 13508 removeDexFiles(allCodePaths, instructionSets); 13509 } 13510 13511 boolean doPostDeleteLI(boolean delete) { 13512 // XXX err, shouldn't we respect the delete flag? 13513 cleanUpResourcesLI(); 13514 return true; 13515 } 13516 } 13517 13518 private boolean isAsecExternal(String cid) { 13519 final String asecPath = PackageHelper.getSdFilesystem(cid); 13520 return !asecPath.startsWith(mAsecInternalPath); 13521 } 13522 13523 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13524 PackageManagerException { 13525 if (copyRet < 0) { 13526 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13527 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13528 throw new PackageManagerException(copyRet, message); 13529 } 13530 } 13531 } 13532 13533 /** 13534 * Extract the MountService "container ID" from the full code path of an 13535 * .apk. 13536 */ 13537 static String cidFromCodePath(String fullCodePath) { 13538 int eidx = fullCodePath.lastIndexOf("/"); 13539 String subStr1 = fullCodePath.substring(0, eidx); 13540 int sidx = subStr1.lastIndexOf("/"); 13541 return subStr1.substring(sidx+1, eidx); 13542 } 13543 13544 /** 13545 * Logic to handle installation of ASEC applications, including copying and 13546 * renaming logic. 13547 */ 13548 class AsecInstallArgs extends InstallArgs { 13549 static final String RES_FILE_NAME = "pkg.apk"; 13550 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13551 13552 String cid; 13553 String packagePath; 13554 String resourcePath; 13555 13556 /** New install */ 13557 AsecInstallArgs(InstallParams params) { 13558 super(params.origin, params.move, params.observer, params.installFlags, 13559 params.installerPackageName, params.volumeUuid, 13560 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13561 params.grantedRuntimePermissions, 13562 params.traceMethod, params.traceCookie, params.certificates); 13563 } 13564 13565 /** Existing install */ 13566 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13567 boolean isExternal, boolean isForwardLocked) { 13568 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13569 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13570 instructionSets, null, null, null, 0, null /*certificates*/); 13571 // Hackily pretend we're still looking at a full code path 13572 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13573 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13574 } 13575 13576 // Extract cid from fullCodePath 13577 int eidx = fullCodePath.lastIndexOf("/"); 13578 String subStr1 = fullCodePath.substring(0, eidx); 13579 int sidx = subStr1.lastIndexOf("/"); 13580 cid = subStr1.substring(sidx+1, eidx); 13581 setMountPath(subStr1); 13582 } 13583 13584 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13585 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13586 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13587 instructionSets, null, null, null, 0, null /*certificates*/); 13588 this.cid = cid; 13589 setMountPath(PackageHelper.getSdDir(cid)); 13590 } 13591 13592 void createCopyFile() { 13593 cid = mInstallerService.allocateExternalStageCidLegacy(); 13594 } 13595 13596 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13597 if (origin.staged && origin.cid != null) { 13598 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13599 cid = origin.cid; 13600 setMountPath(PackageHelper.getSdDir(cid)); 13601 return PackageManager.INSTALL_SUCCEEDED; 13602 } 13603 13604 if (temp) { 13605 createCopyFile(); 13606 } else { 13607 /* 13608 * Pre-emptively destroy the container since it's destroyed if 13609 * copying fails due to it existing anyway. 13610 */ 13611 PackageHelper.destroySdDir(cid); 13612 } 13613 13614 final String newMountPath = imcs.copyPackageToContainer( 13615 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13616 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13617 13618 if (newMountPath != null) { 13619 setMountPath(newMountPath); 13620 return PackageManager.INSTALL_SUCCEEDED; 13621 } else { 13622 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13623 } 13624 } 13625 13626 @Override 13627 String getCodePath() { 13628 return packagePath; 13629 } 13630 13631 @Override 13632 String getResourcePath() { 13633 return resourcePath; 13634 } 13635 13636 int doPreInstall(int status) { 13637 if (status != PackageManager.INSTALL_SUCCEEDED) { 13638 // Destroy container 13639 PackageHelper.destroySdDir(cid); 13640 } else { 13641 boolean mounted = PackageHelper.isContainerMounted(cid); 13642 if (!mounted) { 13643 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13644 Process.SYSTEM_UID); 13645 if (newMountPath != null) { 13646 setMountPath(newMountPath); 13647 } else { 13648 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13649 } 13650 } 13651 } 13652 return status; 13653 } 13654 13655 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13656 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13657 String newMountPath = null; 13658 if (PackageHelper.isContainerMounted(cid)) { 13659 // Unmount the container 13660 if (!PackageHelper.unMountSdDir(cid)) { 13661 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13662 return false; 13663 } 13664 } 13665 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13666 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13667 " which might be stale. Will try to clean up."); 13668 // Clean up the stale container and proceed to recreate. 13669 if (!PackageHelper.destroySdDir(newCacheId)) { 13670 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13671 return false; 13672 } 13673 // Successfully cleaned up stale container. Try to rename again. 13674 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13675 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13676 + " inspite of cleaning it up."); 13677 return false; 13678 } 13679 } 13680 if (!PackageHelper.isContainerMounted(newCacheId)) { 13681 Slog.w(TAG, "Mounting container " + newCacheId); 13682 newMountPath = PackageHelper.mountSdDir(newCacheId, 13683 getEncryptKey(), Process.SYSTEM_UID); 13684 } else { 13685 newMountPath = PackageHelper.getSdDir(newCacheId); 13686 } 13687 if (newMountPath == null) { 13688 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13689 return false; 13690 } 13691 Log.i(TAG, "Succesfully renamed " + cid + 13692 " to " + newCacheId + 13693 " at new path: " + newMountPath); 13694 cid = newCacheId; 13695 13696 final File beforeCodeFile = new File(packagePath); 13697 setMountPath(newMountPath); 13698 final File afterCodeFile = new File(packagePath); 13699 13700 // Reflect the rename in scanned details 13701 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13702 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13703 afterCodeFile, pkg.baseCodePath)); 13704 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13705 afterCodeFile, pkg.splitCodePaths)); 13706 13707 // Reflect the rename in app info 13708 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13709 pkg.setApplicationInfoCodePath(pkg.codePath); 13710 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13711 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13712 pkg.setApplicationInfoResourcePath(pkg.codePath); 13713 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13714 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13715 13716 return true; 13717 } 13718 13719 private void setMountPath(String mountPath) { 13720 final File mountFile = new File(mountPath); 13721 13722 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13723 if (monolithicFile.exists()) { 13724 packagePath = monolithicFile.getAbsolutePath(); 13725 if (isFwdLocked()) { 13726 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13727 } else { 13728 resourcePath = packagePath; 13729 } 13730 } else { 13731 packagePath = mountFile.getAbsolutePath(); 13732 resourcePath = packagePath; 13733 } 13734 } 13735 13736 int doPostInstall(int status, int uid) { 13737 if (status != PackageManager.INSTALL_SUCCEEDED) { 13738 cleanUp(); 13739 } else { 13740 final int groupOwner; 13741 final String protectedFile; 13742 if (isFwdLocked()) { 13743 groupOwner = UserHandle.getSharedAppGid(uid); 13744 protectedFile = RES_FILE_NAME; 13745 } else { 13746 groupOwner = -1; 13747 protectedFile = null; 13748 } 13749 13750 if (uid < Process.FIRST_APPLICATION_UID 13751 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13752 Slog.e(TAG, "Failed to finalize " + cid); 13753 PackageHelper.destroySdDir(cid); 13754 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13755 } 13756 13757 boolean mounted = PackageHelper.isContainerMounted(cid); 13758 if (!mounted) { 13759 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13760 } 13761 } 13762 return status; 13763 } 13764 13765 private void cleanUp() { 13766 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13767 13768 // Destroy secure container 13769 PackageHelper.destroySdDir(cid); 13770 } 13771 13772 private List<String> getAllCodePaths() { 13773 final File codeFile = new File(getCodePath()); 13774 if (codeFile != null && codeFile.exists()) { 13775 try { 13776 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13777 return pkg.getAllCodePaths(); 13778 } catch (PackageParserException e) { 13779 // Ignored; we tried our best 13780 } 13781 } 13782 return Collections.EMPTY_LIST; 13783 } 13784 13785 void cleanUpResourcesLI() { 13786 // Enumerate all code paths before deleting 13787 cleanUpResourcesLI(getAllCodePaths()); 13788 } 13789 13790 private void cleanUpResourcesLI(List<String> allCodePaths) { 13791 cleanUp(); 13792 removeDexFiles(allCodePaths, instructionSets); 13793 } 13794 13795 String getPackageName() { 13796 return getAsecPackageName(cid); 13797 } 13798 13799 boolean doPostDeleteLI(boolean delete) { 13800 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13801 final List<String> allCodePaths = getAllCodePaths(); 13802 boolean mounted = PackageHelper.isContainerMounted(cid); 13803 if (mounted) { 13804 // Unmount first 13805 if (PackageHelper.unMountSdDir(cid)) { 13806 mounted = false; 13807 } 13808 } 13809 if (!mounted && delete) { 13810 cleanUpResourcesLI(allCodePaths); 13811 } 13812 return !mounted; 13813 } 13814 13815 @Override 13816 int doPreCopy() { 13817 if (isFwdLocked()) { 13818 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13819 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13820 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13821 } 13822 } 13823 13824 return PackageManager.INSTALL_SUCCEEDED; 13825 } 13826 13827 @Override 13828 int doPostCopy(int uid) { 13829 if (isFwdLocked()) { 13830 if (uid < Process.FIRST_APPLICATION_UID 13831 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13832 RES_FILE_NAME)) { 13833 Slog.e(TAG, "Failed to finalize " + cid); 13834 PackageHelper.destroySdDir(cid); 13835 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13836 } 13837 } 13838 13839 return PackageManager.INSTALL_SUCCEEDED; 13840 } 13841 } 13842 13843 /** 13844 * Logic to handle movement of existing installed applications. 13845 */ 13846 class MoveInstallArgs extends InstallArgs { 13847 private File codeFile; 13848 private File resourceFile; 13849 13850 /** New install */ 13851 MoveInstallArgs(InstallParams params) { 13852 super(params.origin, params.move, params.observer, params.installFlags, 13853 params.installerPackageName, params.volumeUuid, 13854 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13855 params.grantedRuntimePermissions, 13856 params.traceMethod, params.traceCookie, params.certificates); 13857 } 13858 13859 int copyApk(IMediaContainerService imcs, boolean temp) { 13860 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13861 + move.fromUuid + " to " + move.toUuid); 13862 synchronized (mInstaller) { 13863 try { 13864 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13865 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13866 } catch (InstallerException e) { 13867 Slog.w(TAG, "Failed to move app", e); 13868 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13869 } 13870 } 13871 13872 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13873 resourceFile = codeFile; 13874 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13875 13876 return PackageManager.INSTALL_SUCCEEDED; 13877 } 13878 13879 int doPreInstall(int status) { 13880 if (status != PackageManager.INSTALL_SUCCEEDED) { 13881 cleanUp(move.toUuid); 13882 } 13883 return status; 13884 } 13885 13886 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13887 if (status != PackageManager.INSTALL_SUCCEEDED) { 13888 cleanUp(move.toUuid); 13889 return false; 13890 } 13891 13892 // Reflect the move in app info 13893 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13894 pkg.setApplicationInfoCodePath(pkg.codePath); 13895 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13896 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13897 pkg.setApplicationInfoResourcePath(pkg.codePath); 13898 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13899 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13900 13901 return true; 13902 } 13903 13904 int doPostInstall(int status, int uid) { 13905 if (status == PackageManager.INSTALL_SUCCEEDED) { 13906 cleanUp(move.fromUuid); 13907 } else { 13908 cleanUp(move.toUuid); 13909 } 13910 return status; 13911 } 13912 13913 @Override 13914 String getCodePath() { 13915 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13916 } 13917 13918 @Override 13919 String getResourcePath() { 13920 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13921 } 13922 13923 private boolean cleanUp(String volumeUuid) { 13924 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13925 move.dataAppName); 13926 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13927 final int[] userIds = sUserManager.getUserIds(); 13928 synchronized (mInstallLock) { 13929 // Clean up both app data and code 13930 // All package moves are frozen until finished 13931 for (int userId : userIds) { 13932 try { 13933 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13934 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13935 } catch (InstallerException e) { 13936 Slog.w(TAG, String.valueOf(e)); 13937 } 13938 } 13939 removeCodePathLI(codeFile); 13940 } 13941 return true; 13942 } 13943 13944 void cleanUpResourcesLI() { 13945 throw new UnsupportedOperationException(); 13946 } 13947 13948 boolean doPostDeleteLI(boolean delete) { 13949 throw new UnsupportedOperationException(); 13950 } 13951 } 13952 13953 static String getAsecPackageName(String packageCid) { 13954 int idx = packageCid.lastIndexOf("-"); 13955 if (idx == -1) { 13956 return packageCid; 13957 } 13958 return packageCid.substring(0, idx); 13959 } 13960 13961 // Utility method used to create code paths based on package name and available index. 13962 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13963 String idxStr = ""; 13964 int idx = 1; 13965 // Fall back to default value of idx=1 if prefix is not 13966 // part of oldCodePath 13967 if (oldCodePath != null) { 13968 String subStr = oldCodePath; 13969 // Drop the suffix right away 13970 if (suffix != null && subStr.endsWith(suffix)) { 13971 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13972 } 13973 // If oldCodePath already contains prefix find out the 13974 // ending index to either increment or decrement. 13975 int sidx = subStr.lastIndexOf(prefix); 13976 if (sidx != -1) { 13977 subStr = subStr.substring(sidx + prefix.length()); 13978 if (subStr != null) { 13979 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13980 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13981 } 13982 try { 13983 idx = Integer.parseInt(subStr); 13984 if (idx <= 1) { 13985 idx++; 13986 } else { 13987 idx--; 13988 } 13989 } catch(NumberFormatException e) { 13990 } 13991 } 13992 } 13993 } 13994 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13995 return prefix + idxStr; 13996 } 13997 13998 private File getNextCodePath(File targetDir, String packageName) { 13999 int suffix = 1; 14000 File result; 14001 do { 14002 result = new File(targetDir, packageName + "-" + suffix); 14003 suffix++; 14004 } while (result.exists()); 14005 return result; 14006 } 14007 14008 // Utility method that returns the relative package path with respect 14009 // to the installation directory. Like say for /data/data/com.test-1.apk 14010 // string com.test-1 is returned. 14011 static String deriveCodePathName(String codePath) { 14012 if (codePath == null) { 14013 return null; 14014 } 14015 final File codeFile = new File(codePath); 14016 final String name = codeFile.getName(); 14017 if (codeFile.isDirectory()) { 14018 return name; 14019 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 14020 final int lastDot = name.lastIndexOf('.'); 14021 return name.substring(0, lastDot); 14022 } else { 14023 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 14024 return null; 14025 } 14026 } 14027 14028 static class PackageInstalledInfo { 14029 String name; 14030 int uid; 14031 // The set of users that originally had this package installed. 14032 int[] origUsers; 14033 // The set of users that now have this package installed. 14034 int[] newUsers; 14035 PackageParser.Package pkg; 14036 int returnCode; 14037 String returnMsg; 14038 PackageRemovedInfo removedInfo; 14039 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 14040 14041 public void setError(int code, String msg) { 14042 setReturnCode(code); 14043 setReturnMessage(msg); 14044 Slog.w(TAG, msg); 14045 } 14046 14047 public void setError(String msg, PackageParserException e) { 14048 setReturnCode(e.error); 14049 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14050 Slog.w(TAG, msg, e); 14051 } 14052 14053 public void setError(String msg, PackageManagerException e) { 14054 returnCode = e.error; 14055 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 14056 Slog.w(TAG, msg, e); 14057 } 14058 14059 public void setReturnCode(int returnCode) { 14060 this.returnCode = returnCode; 14061 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14062 for (int i = 0; i < childCount; i++) { 14063 addedChildPackages.valueAt(i).returnCode = returnCode; 14064 } 14065 } 14066 14067 private void setReturnMessage(String returnMsg) { 14068 this.returnMsg = returnMsg; 14069 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 14070 for (int i = 0; i < childCount; i++) { 14071 addedChildPackages.valueAt(i).returnMsg = returnMsg; 14072 } 14073 } 14074 14075 // In some error cases we want to convey more info back to the observer 14076 String origPackage; 14077 String origPermission; 14078 } 14079 14080 /* 14081 * Install a non-existing package. 14082 */ 14083 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 14084 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 14085 PackageInstalledInfo res) { 14086 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 14087 14088 // Remember this for later, in case we need to rollback this install 14089 String pkgName = pkg.packageName; 14090 14091 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 14092 14093 synchronized(mPackages) { 14094 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 14095 // A package with the same name is already installed, though 14096 // it has been renamed to an older name. The package we 14097 // are trying to install should be installed as an update to 14098 // the existing one, but that has not been requested, so bail. 14099 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14100 + " without first uninstalling package running as " 14101 + mSettings.mRenamedPackages.get(pkgName)); 14102 return; 14103 } 14104 if (mPackages.containsKey(pkgName)) { 14105 // Don't allow installation over an existing package with the same name. 14106 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 14107 + " without first uninstalling."); 14108 return; 14109 } 14110 } 14111 14112 try { 14113 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 14114 System.currentTimeMillis(), user); 14115 14116 updateSettingsLI(newPackage, installerPackageName, null, res, user); 14117 14118 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14119 prepareAppDataAfterInstallLIF(newPackage); 14120 14121 } else { 14122 // Remove package from internal structures, but keep around any 14123 // data that might have already existed 14124 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 14125 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 14126 } 14127 } catch (PackageManagerException e) { 14128 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14129 } 14130 14131 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14132 } 14133 14134 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 14135 // Can't rotate keys during boot or if sharedUser. 14136 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 14137 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14138 return false; 14139 } 14140 // app is using upgradeKeySets; make sure all are valid 14141 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14142 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14143 for (int i = 0; i < upgradeKeySets.length; i++) { 14144 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14145 Slog.wtf(TAG, "Package " 14146 + (oldPs.name != null ? oldPs.name : "<null>") 14147 + " contains upgrade-key-set reference to unknown key-set: " 14148 + upgradeKeySets[i] 14149 + " reverting to signatures check."); 14150 return false; 14151 } 14152 } 14153 return true; 14154 } 14155 14156 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14157 // Upgrade keysets are being used. Determine if new package has a superset of the 14158 // required keys. 14159 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14160 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14161 for (int i = 0; i < upgradeKeySets.length; i++) { 14162 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14163 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14164 return true; 14165 } 14166 } 14167 return false; 14168 } 14169 14170 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14171 try (DigestInputStream digestStream = 14172 new DigestInputStream(new FileInputStream(file), digest)) { 14173 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14174 } 14175 } 14176 14177 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14178 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14179 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14180 14181 final PackageParser.Package oldPackage; 14182 final String pkgName = pkg.packageName; 14183 final int[] allUsers; 14184 final int[] installedUsers; 14185 14186 synchronized(mPackages) { 14187 oldPackage = mPackages.get(pkgName); 14188 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14189 14190 // don't allow upgrade to target a release SDK from a pre-release SDK 14191 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14192 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14193 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14194 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14195 if (oldTargetsPreRelease 14196 && !newTargetsPreRelease 14197 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14198 Slog.w(TAG, "Can't install package targeting released sdk"); 14199 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14200 return; 14201 } 14202 14203 // don't allow an upgrade from full to ephemeral 14204 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14205 if (isEphemeral && !oldIsEphemeral) { 14206 // can't downgrade from full to ephemeral 14207 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14208 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14209 return; 14210 } 14211 14212 // verify signatures are valid 14213 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14214 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14215 if (!checkUpgradeKeySetLP(ps, pkg)) { 14216 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14217 "New package not signed by keys specified by upgrade-keysets: " 14218 + pkgName); 14219 return; 14220 } 14221 } else { 14222 // default to original signature matching 14223 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14224 != PackageManager.SIGNATURE_MATCH) { 14225 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14226 "New package has a different signature: " + pkgName); 14227 return; 14228 } 14229 } 14230 14231 // don't allow a system upgrade unless the upgrade hash matches 14232 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14233 byte[] digestBytes = null; 14234 try { 14235 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14236 updateDigest(digest, new File(pkg.baseCodePath)); 14237 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14238 for (String path : pkg.splitCodePaths) { 14239 updateDigest(digest, new File(path)); 14240 } 14241 } 14242 digestBytes = digest.digest(); 14243 } catch (NoSuchAlgorithmException | IOException e) { 14244 res.setError(INSTALL_FAILED_INVALID_APK, 14245 "Could not compute hash: " + pkgName); 14246 return; 14247 } 14248 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14249 res.setError(INSTALL_FAILED_INVALID_APK, 14250 "New package fails restrict-update check: " + pkgName); 14251 return; 14252 } 14253 // retain upgrade restriction 14254 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14255 } 14256 14257 // Check for shared user id changes 14258 String invalidPackageName = 14259 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14260 if (invalidPackageName != null) { 14261 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14262 "Package " + invalidPackageName + " tried to change user " 14263 + oldPackage.mSharedUserId); 14264 return; 14265 } 14266 14267 // In case of rollback, remember per-user/profile install state 14268 allUsers = sUserManager.getUserIds(); 14269 installedUsers = ps.queryInstalledUsers(allUsers, true); 14270 } 14271 14272 // Update what is removed 14273 res.removedInfo = new PackageRemovedInfo(); 14274 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14275 res.removedInfo.removedPackage = oldPackage.packageName; 14276 res.removedInfo.isUpdate = true; 14277 res.removedInfo.origUsers = installedUsers; 14278 final int childCount = (oldPackage.childPackages != null) 14279 ? oldPackage.childPackages.size() : 0; 14280 for (int i = 0; i < childCount; i++) { 14281 boolean childPackageUpdated = false; 14282 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14283 if (res.addedChildPackages != null) { 14284 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14285 if (childRes != null) { 14286 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14287 childRes.removedInfo.removedPackage = childPkg.packageName; 14288 childRes.removedInfo.isUpdate = true; 14289 childPackageUpdated = true; 14290 } 14291 } 14292 if (!childPackageUpdated) { 14293 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14294 childRemovedRes.removedPackage = childPkg.packageName; 14295 childRemovedRes.isUpdate = false; 14296 childRemovedRes.dataRemoved = true; 14297 synchronized (mPackages) { 14298 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14299 if (childPs != null) { 14300 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14301 } 14302 } 14303 if (res.removedInfo.removedChildPackages == null) { 14304 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14305 } 14306 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14307 } 14308 } 14309 14310 boolean sysPkg = (isSystemApp(oldPackage)); 14311 if (sysPkg) { 14312 // Set the system/privileged flags as needed 14313 final boolean privileged = 14314 (oldPackage.applicationInfo.privateFlags 14315 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14316 final int systemPolicyFlags = policyFlags 14317 | PackageParser.PARSE_IS_SYSTEM 14318 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14319 14320 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14321 user, allUsers, installerPackageName, res); 14322 } else { 14323 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14324 user, allUsers, installerPackageName, res); 14325 } 14326 } 14327 14328 public List<String> getPreviousCodePaths(String packageName) { 14329 final PackageSetting ps = mSettings.mPackages.get(packageName); 14330 final List<String> result = new ArrayList<String>(); 14331 if (ps != null && ps.oldCodePaths != null) { 14332 result.addAll(ps.oldCodePaths); 14333 } 14334 return result; 14335 } 14336 14337 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14338 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14339 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14340 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14341 + deletedPackage); 14342 14343 String pkgName = deletedPackage.packageName; 14344 boolean deletedPkg = true; 14345 boolean addedPkg = false; 14346 boolean updatedSettings = false; 14347 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14348 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14349 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14350 14351 final long origUpdateTime = (pkg.mExtras != null) 14352 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14353 14354 // First delete the existing package while retaining the data directory 14355 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14356 res.removedInfo, true, pkg)) { 14357 // If the existing package wasn't successfully deleted 14358 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14359 deletedPkg = false; 14360 } else { 14361 // Successfully deleted the old package; proceed with replace. 14362 14363 // If deleted package lived in a container, give users a chance to 14364 // relinquish resources before killing. 14365 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14366 if (DEBUG_INSTALL) { 14367 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14368 } 14369 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14370 final ArrayList<String> pkgList = new ArrayList<String>(1); 14371 pkgList.add(deletedPackage.applicationInfo.packageName); 14372 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14373 } 14374 14375 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14376 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14377 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14378 14379 try { 14380 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14381 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14382 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14383 14384 // Update the in-memory copy of the previous code paths. 14385 PackageSetting ps = mSettings.mPackages.get(pkgName); 14386 if (!killApp) { 14387 if (ps.oldCodePaths == null) { 14388 ps.oldCodePaths = new ArraySet<>(); 14389 } 14390 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14391 if (deletedPackage.splitCodePaths != null) { 14392 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14393 } 14394 } else { 14395 ps.oldCodePaths = null; 14396 } 14397 if (ps.childPackageNames != null) { 14398 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14399 final String childPkgName = ps.childPackageNames.get(i); 14400 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14401 childPs.oldCodePaths = ps.oldCodePaths; 14402 } 14403 } 14404 prepareAppDataAfterInstallLIF(newPackage); 14405 addedPkg = true; 14406 } catch (PackageManagerException e) { 14407 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14408 } 14409 } 14410 14411 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14412 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14413 14414 // Revert all internal state mutations and added folders for the failed install 14415 if (addedPkg) { 14416 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14417 res.removedInfo, true, null); 14418 } 14419 14420 // Restore the old package 14421 if (deletedPkg) { 14422 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14423 File restoreFile = new File(deletedPackage.codePath); 14424 // Parse old package 14425 boolean oldExternal = isExternal(deletedPackage); 14426 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14427 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14428 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14429 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14430 try { 14431 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14432 null); 14433 } catch (PackageManagerException e) { 14434 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14435 + e.getMessage()); 14436 return; 14437 } 14438 14439 synchronized (mPackages) { 14440 // Ensure the installer package name up to date 14441 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14442 14443 // Update permissions for restored package 14444 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14445 14446 mSettings.writeLPr(); 14447 } 14448 14449 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14450 } 14451 } else { 14452 synchronized (mPackages) { 14453 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14454 if (ps != null) { 14455 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14456 if (res.removedInfo.removedChildPackages != null) { 14457 final int childCount = res.removedInfo.removedChildPackages.size(); 14458 // Iterate in reverse as we may modify the collection 14459 for (int i = childCount - 1; i >= 0; i--) { 14460 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14461 if (res.addedChildPackages.containsKey(childPackageName)) { 14462 res.removedInfo.removedChildPackages.removeAt(i); 14463 } else { 14464 PackageRemovedInfo childInfo = res.removedInfo 14465 .removedChildPackages.valueAt(i); 14466 childInfo.removedForAllUsers = mPackages.get( 14467 childInfo.removedPackage) == null; 14468 } 14469 } 14470 } 14471 } 14472 } 14473 } 14474 } 14475 14476 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14477 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14478 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14479 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14480 + ", old=" + deletedPackage); 14481 14482 final boolean disabledSystem; 14483 14484 // Remove existing system package 14485 removePackageLI(deletedPackage, true); 14486 14487 synchronized (mPackages) { 14488 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14489 } 14490 if (!disabledSystem) { 14491 // We didn't need to disable the .apk as a current system package, 14492 // which means we are replacing another update that is already 14493 // installed. We need to make sure to delete the older one's .apk. 14494 res.removedInfo.args = createInstallArgsForExisting(0, 14495 deletedPackage.applicationInfo.getCodePath(), 14496 deletedPackage.applicationInfo.getResourcePath(), 14497 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14498 } else { 14499 res.removedInfo.args = null; 14500 } 14501 14502 // Successfully disabled the old package. Now proceed with re-installation 14503 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14504 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14505 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14506 14507 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14508 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14509 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14510 14511 PackageParser.Package newPackage = null; 14512 try { 14513 // Add the package to the internal data structures 14514 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14515 14516 // Set the update and install times 14517 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14518 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14519 System.currentTimeMillis()); 14520 14521 // Update the package dynamic state if succeeded 14522 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14523 // Now that the install succeeded make sure we remove data 14524 // directories for any child package the update removed. 14525 final int deletedChildCount = (deletedPackage.childPackages != null) 14526 ? deletedPackage.childPackages.size() : 0; 14527 final int newChildCount = (newPackage.childPackages != null) 14528 ? newPackage.childPackages.size() : 0; 14529 for (int i = 0; i < deletedChildCount; i++) { 14530 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14531 boolean childPackageDeleted = true; 14532 for (int j = 0; j < newChildCount; j++) { 14533 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14534 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14535 childPackageDeleted = false; 14536 break; 14537 } 14538 } 14539 if (childPackageDeleted) { 14540 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14541 deletedChildPkg.packageName); 14542 if (ps != null && res.removedInfo.removedChildPackages != null) { 14543 PackageRemovedInfo removedChildRes = res.removedInfo 14544 .removedChildPackages.get(deletedChildPkg.packageName); 14545 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14546 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14547 } 14548 } 14549 } 14550 14551 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14552 prepareAppDataAfterInstallLIF(newPackage); 14553 } 14554 } catch (PackageManagerException e) { 14555 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14556 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14557 } 14558 14559 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14560 // Re installation failed. Restore old information 14561 // Remove new pkg information 14562 if (newPackage != null) { 14563 removeInstalledPackageLI(newPackage, true); 14564 } 14565 // Add back the old system package 14566 try { 14567 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14568 } catch (PackageManagerException e) { 14569 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14570 } 14571 14572 synchronized (mPackages) { 14573 if (disabledSystem) { 14574 enableSystemPackageLPw(deletedPackage); 14575 } 14576 14577 // Ensure the installer package name up to date 14578 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14579 14580 // Update permissions for restored package 14581 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14582 14583 mSettings.writeLPr(); 14584 } 14585 14586 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14587 + " after failed upgrade"); 14588 } 14589 } 14590 14591 /** 14592 * Checks whether the parent or any of the child packages have a change shared 14593 * user. For a package to be a valid update the shred users of the parent and 14594 * the children should match. We may later support changing child shared users. 14595 * @param oldPkg The updated package. 14596 * @param newPkg The update package. 14597 * @return The shared user that change between the versions. 14598 */ 14599 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14600 PackageParser.Package newPkg) { 14601 // Check parent shared user 14602 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14603 return newPkg.packageName; 14604 } 14605 // Check child shared users 14606 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14607 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14608 for (int i = 0; i < newChildCount; i++) { 14609 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14610 // If this child was present, did it have the same shared user? 14611 for (int j = 0; j < oldChildCount; j++) { 14612 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14613 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14614 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14615 return newChildPkg.packageName; 14616 } 14617 } 14618 } 14619 return null; 14620 } 14621 14622 private void removeNativeBinariesLI(PackageSetting ps) { 14623 // Remove the lib path for the parent package 14624 if (ps != null) { 14625 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14626 // Remove the lib path for the child packages 14627 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14628 for (int i = 0; i < childCount; i++) { 14629 PackageSetting childPs = null; 14630 synchronized (mPackages) { 14631 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14632 } 14633 if (childPs != null) { 14634 NativeLibraryHelper.removeNativeBinariesLI(childPs 14635 .legacyNativeLibraryPathString); 14636 } 14637 } 14638 } 14639 } 14640 14641 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14642 // Enable the parent package 14643 mSettings.enableSystemPackageLPw(pkg.packageName); 14644 // Enable the child packages 14645 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14646 for (int i = 0; i < childCount; i++) { 14647 PackageParser.Package childPkg = pkg.childPackages.get(i); 14648 mSettings.enableSystemPackageLPw(childPkg.packageName); 14649 } 14650 } 14651 14652 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14653 PackageParser.Package newPkg) { 14654 // Disable the parent package (parent always replaced) 14655 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14656 // Disable the child packages 14657 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14658 for (int i = 0; i < childCount; i++) { 14659 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14660 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14661 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14662 } 14663 return disabled; 14664 } 14665 14666 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14667 String installerPackageName) { 14668 // Enable the parent package 14669 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14670 // Enable the child packages 14671 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14672 for (int i = 0; i < childCount; i++) { 14673 PackageParser.Package childPkg = pkg.childPackages.get(i); 14674 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14675 } 14676 } 14677 14678 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14679 // Collect all used permissions in the UID 14680 ArraySet<String> usedPermissions = new ArraySet<>(); 14681 final int packageCount = su.packages.size(); 14682 for (int i = 0; i < packageCount; i++) { 14683 PackageSetting ps = su.packages.valueAt(i); 14684 if (ps.pkg == null) { 14685 continue; 14686 } 14687 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14688 for (int j = 0; j < requestedPermCount; j++) { 14689 String permission = ps.pkg.requestedPermissions.get(j); 14690 BasePermission bp = mSettings.mPermissions.get(permission); 14691 if (bp != null) { 14692 usedPermissions.add(permission); 14693 } 14694 } 14695 } 14696 14697 PermissionsState permissionsState = su.getPermissionsState(); 14698 // Prune install permissions 14699 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14700 final int installPermCount = installPermStates.size(); 14701 for (int i = installPermCount - 1; i >= 0; i--) { 14702 PermissionState permissionState = installPermStates.get(i); 14703 if (!usedPermissions.contains(permissionState.getName())) { 14704 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14705 if (bp != null) { 14706 permissionsState.revokeInstallPermission(bp); 14707 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14708 PackageManager.MASK_PERMISSION_FLAGS, 0); 14709 } 14710 } 14711 } 14712 14713 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14714 14715 // Prune runtime permissions 14716 for (int userId : allUserIds) { 14717 List<PermissionState> runtimePermStates = permissionsState 14718 .getRuntimePermissionStates(userId); 14719 final int runtimePermCount = runtimePermStates.size(); 14720 for (int i = runtimePermCount - 1; i >= 0; i--) { 14721 PermissionState permissionState = runtimePermStates.get(i); 14722 if (!usedPermissions.contains(permissionState.getName())) { 14723 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14724 if (bp != null) { 14725 permissionsState.revokeRuntimePermission(bp, userId); 14726 permissionsState.updatePermissionFlags(bp, userId, 14727 PackageManager.MASK_PERMISSION_FLAGS, 0); 14728 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14729 runtimePermissionChangedUserIds, userId); 14730 } 14731 } 14732 } 14733 } 14734 14735 return runtimePermissionChangedUserIds; 14736 } 14737 14738 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14739 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14740 // Update the parent package setting 14741 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14742 res, user); 14743 // Update the child packages setting 14744 final int childCount = (newPackage.childPackages != null) 14745 ? newPackage.childPackages.size() : 0; 14746 for (int i = 0; i < childCount; i++) { 14747 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14748 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14749 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14750 childRes.origUsers, childRes, user); 14751 } 14752 } 14753 14754 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14755 String installerPackageName, int[] allUsers, int[] installedForUsers, 14756 PackageInstalledInfo res, UserHandle user) { 14757 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14758 14759 String pkgName = newPackage.packageName; 14760 synchronized (mPackages) { 14761 //write settings. the installStatus will be incomplete at this stage. 14762 //note that the new package setting would have already been 14763 //added to mPackages. It hasn't been persisted yet. 14764 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14765 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14766 mSettings.writeLPr(); 14767 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14768 } 14769 14770 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14771 synchronized (mPackages) { 14772 updatePermissionsLPw(newPackage.packageName, newPackage, 14773 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14774 ? UPDATE_PERMISSIONS_ALL : 0)); 14775 // For system-bundled packages, we assume that installing an upgraded version 14776 // of the package implies that the user actually wants to run that new code, 14777 // so we enable the package. 14778 PackageSetting ps = mSettings.mPackages.get(pkgName); 14779 final int userId = user.getIdentifier(); 14780 if (ps != null) { 14781 if (isSystemApp(newPackage)) { 14782 if (DEBUG_INSTALL) { 14783 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14784 } 14785 // Enable system package for requested users 14786 if (res.origUsers != null) { 14787 for (int origUserId : res.origUsers) { 14788 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14789 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14790 origUserId, installerPackageName); 14791 } 14792 } 14793 } 14794 // Also convey the prior install/uninstall state 14795 if (allUsers != null && installedForUsers != null) { 14796 for (int currentUserId : allUsers) { 14797 final boolean installed = ArrayUtils.contains( 14798 installedForUsers, currentUserId); 14799 if (DEBUG_INSTALL) { 14800 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14801 } 14802 ps.setInstalled(installed, currentUserId); 14803 } 14804 // these install state changes will be persisted in the 14805 // upcoming call to mSettings.writeLPr(). 14806 } 14807 } 14808 // It's implied that when a user requests installation, they want the app to be 14809 // installed and enabled. 14810 if (userId != UserHandle.USER_ALL) { 14811 ps.setInstalled(true, userId); 14812 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14813 } 14814 } 14815 res.name = pkgName; 14816 res.uid = newPackage.applicationInfo.uid; 14817 res.pkg = newPackage; 14818 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14819 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14820 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14821 //to update install status 14822 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14823 mSettings.writeLPr(); 14824 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14825 } 14826 14827 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14828 } 14829 14830 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14831 try { 14832 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14833 installPackageLI(args, res); 14834 } finally { 14835 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14836 } 14837 } 14838 14839 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14840 final int installFlags = args.installFlags; 14841 final String installerPackageName = args.installerPackageName; 14842 final String volumeUuid = args.volumeUuid; 14843 final File tmpPackageFile = new File(args.getCodePath()); 14844 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14845 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14846 || (args.volumeUuid != null)); 14847 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14848 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14849 boolean replace = false; 14850 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14851 if (args.move != null) { 14852 // moving a complete application; perform an initial scan on the new install location 14853 scanFlags |= SCAN_INITIAL; 14854 } 14855 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14856 scanFlags |= SCAN_DONT_KILL_APP; 14857 } 14858 14859 // Result object to be returned 14860 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14861 14862 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14863 14864 // Sanity check 14865 if (ephemeral && (forwardLocked || onExternal)) { 14866 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14867 + " external=" + onExternal); 14868 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14869 return; 14870 } 14871 14872 // Retrieve PackageSettings and parse package 14873 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14874 | PackageParser.PARSE_ENFORCE_CODE 14875 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14876 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14877 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14878 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14879 PackageParser pp = new PackageParser(); 14880 pp.setSeparateProcesses(mSeparateProcesses); 14881 pp.setDisplayMetrics(mMetrics); 14882 14883 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14884 final PackageParser.Package pkg; 14885 try { 14886 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14887 } catch (PackageParserException e) { 14888 res.setError("Failed parse during installPackageLI", e); 14889 return; 14890 } finally { 14891 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14892 } 14893 14894 // If we are installing a clustered package add results for the children 14895 if (pkg.childPackages != null) { 14896 synchronized (mPackages) { 14897 final int childCount = pkg.childPackages.size(); 14898 for (int i = 0; i < childCount; i++) { 14899 PackageParser.Package childPkg = pkg.childPackages.get(i); 14900 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14901 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14902 childRes.pkg = childPkg; 14903 childRes.name = childPkg.packageName; 14904 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14905 if (childPs != null) { 14906 childRes.origUsers = childPs.queryInstalledUsers( 14907 sUserManager.getUserIds(), true); 14908 } 14909 if ((mPackages.containsKey(childPkg.packageName))) { 14910 childRes.removedInfo = new PackageRemovedInfo(); 14911 childRes.removedInfo.removedPackage = childPkg.packageName; 14912 } 14913 if (res.addedChildPackages == null) { 14914 res.addedChildPackages = new ArrayMap<>(); 14915 } 14916 res.addedChildPackages.put(childPkg.packageName, childRes); 14917 } 14918 } 14919 } 14920 14921 // If package doesn't declare API override, mark that we have an install 14922 // time CPU ABI override. 14923 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14924 pkg.cpuAbiOverride = args.abiOverride; 14925 } 14926 14927 String pkgName = res.name = pkg.packageName; 14928 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14929 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14930 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14931 return; 14932 } 14933 } 14934 14935 try { 14936 // either use what we've been given or parse directly from the APK 14937 if (args.certificates != null) { 14938 try { 14939 PackageParser.populateCertificates(pkg, args.certificates); 14940 } catch (PackageParserException e) { 14941 // there was something wrong with the certificates we were given; 14942 // try to pull them from the APK 14943 PackageParser.collectCertificates(pkg, parseFlags); 14944 } 14945 } else { 14946 PackageParser.collectCertificates(pkg, parseFlags); 14947 } 14948 } catch (PackageParserException e) { 14949 res.setError("Failed collect during installPackageLI", e); 14950 return; 14951 } 14952 14953 // Get rid of all references to package scan path via parser. 14954 pp = null; 14955 String oldCodePath = null; 14956 boolean systemApp = false; 14957 synchronized (mPackages) { 14958 // Check if installing already existing package 14959 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14960 String oldName = mSettings.mRenamedPackages.get(pkgName); 14961 if (pkg.mOriginalPackages != null 14962 && pkg.mOriginalPackages.contains(oldName) 14963 && mPackages.containsKey(oldName)) { 14964 // This package is derived from an original package, 14965 // and this device has been updating from that original 14966 // name. We must continue using the original name, so 14967 // rename the new package here. 14968 pkg.setPackageName(oldName); 14969 pkgName = pkg.packageName; 14970 replace = true; 14971 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14972 + oldName + " pkgName=" + pkgName); 14973 } else if (mPackages.containsKey(pkgName)) { 14974 // This package, under its official name, already exists 14975 // on the device; we should replace it. 14976 replace = true; 14977 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14978 } 14979 14980 // Child packages are installed through the parent package 14981 if (pkg.parentPackage != null) { 14982 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14983 "Package " + pkg.packageName + " is child of package " 14984 + pkg.parentPackage.parentPackage + ". Child packages " 14985 + "can be updated only through the parent package."); 14986 return; 14987 } 14988 14989 if (replace) { 14990 // Prevent apps opting out from runtime permissions 14991 PackageParser.Package oldPackage = mPackages.get(pkgName); 14992 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14993 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14994 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14995 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14996 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14997 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14998 + " doesn't support runtime permissions but the old" 14999 + " target SDK " + oldTargetSdk + " does."); 15000 return; 15001 } 15002 15003 // Prevent installing of child packages 15004 if (oldPackage.parentPackage != null) { 15005 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 15006 "Package " + pkg.packageName + " is child of package " 15007 + oldPackage.parentPackage + ". Child packages " 15008 + "can be updated only through the parent package."); 15009 return; 15010 } 15011 } 15012 } 15013 15014 PackageSetting ps = mSettings.mPackages.get(pkgName); 15015 if (ps != null) { 15016 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 15017 15018 // Quick sanity check that we're signed correctly if updating; 15019 // we'll check this again later when scanning, but we want to 15020 // bail early here before tripping over redefined permissions. 15021 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 15022 if (!checkUpgradeKeySetLP(ps, pkg)) { 15023 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 15024 + pkg.packageName + " upgrade keys do not match the " 15025 + "previously installed version"); 15026 return; 15027 } 15028 } else { 15029 try { 15030 verifySignaturesLP(ps, pkg); 15031 } catch (PackageManagerException e) { 15032 res.setError(e.error, e.getMessage()); 15033 return; 15034 } 15035 } 15036 15037 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 15038 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 15039 systemApp = (ps.pkg.applicationInfo.flags & 15040 ApplicationInfo.FLAG_SYSTEM) != 0; 15041 } 15042 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15043 } 15044 15045 // Check whether the newly-scanned package wants to define an already-defined perm 15046 int N = pkg.permissions.size(); 15047 for (int i = N-1; i >= 0; i--) { 15048 PackageParser.Permission perm = pkg.permissions.get(i); 15049 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 15050 if (bp != null) { 15051 // If the defining package is signed with our cert, it's okay. This 15052 // also includes the "updating the same package" case, of course. 15053 // "updating same package" could also involve key-rotation. 15054 final boolean sigsOk; 15055 if (bp.sourcePackage.equals(pkg.packageName) 15056 && (bp.packageSetting instanceof PackageSetting) 15057 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 15058 scanFlags))) { 15059 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 15060 } else { 15061 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 15062 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 15063 } 15064 if (!sigsOk) { 15065 // If the owning package is the system itself, we log but allow 15066 // install to proceed; we fail the install on all other permission 15067 // redefinitions. 15068 if (!bp.sourcePackage.equals("android")) { 15069 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 15070 + pkg.packageName + " attempting to redeclare permission " 15071 + perm.info.name + " already owned by " + bp.sourcePackage); 15072 res.origPermission = perm.info.name; 15073 res.origPackage = bp.sourcePackage; 15074 return; 15075 } else { 15076 Slog.w(TAG, "Package " + pkg.packageName 15077 + " attempting to redeclare system permission " 15078 + perm.info.name + "; ignoring new declaration"); 15079 pkg.permissions.remove(i); 15080 } 15081 } 15082 } 15083 } 15084 } 15085 15086 if (systemApp) { 15087 if (onExternal) { 15088 // Abort update; system app can't be replaced with app on sdcard 15089 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 15090 "Cannot install updates to system apps on sdcard"); 15091 return; 15092 } else if (ephemeral) { 15093 // Abort update; system app can't be replaced with an ephemeral app 15094 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 15095 "Cannot update a system app with an ephemeral app"); 15096 return; 15097 } 15098 } 15099 15100 if (args.move != null) { 15101 // We did an in-place move, so dex is ready to roll 15102 scanFlags |= SCAN_NO_DEX; 15103 scanFlags |= SCAN_MOVE; 15104 15105 synchronized (mPackages) { 15106 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15107 if (ps == null) { 15108 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 15109 "Missing settings for moved package " + pkgName); 15110 } 15111 15112 // We moved the entire application as-is, so bring over the 15113 // previously derived ABI information. 15114 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 15115 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 15116 } 15117 15118 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 15119 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 15120 scanFlags |= SCAN_NO_DEX; 15121 15122 try { 15123 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 15124 args.abiOverride : pkg.cpuAbiOverride); 15125 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 15126 true /* extract libs */); 15127 } catch (PackageManagerException pme) { 15128 Slog.e(TAG, "Error deriving application ABI", pme); 15129 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 15130 return; 15131 } 15132 15133 // Shared libraries for the package need to be updated. 15134 synchronized (mPackages) { 15135 try { 15136 updateSharedLibrariesLPw(pkg, null); 15137 } catch (PackageManagerException e) { 15138 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 15139 } 15140 } 15141 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15142 // Do not run PackageDexOptimizer through the local performDexOpt 15143 // method because `pkg` may not be in `mPackages` yet. 15144 // 15145 // Also, don't fail application installs if the dexopt step fails. 15146 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15147 null /* instructionSets */, false /* checkProfiles */, 15148 getCompilerFilterForReason(REASON_INSTALL)); 15149 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15150 15151 // Notify BackgroundDexOptService that the package has been changed. 15152 // If this is an update of a package which used to fail to compile, 15153 // BDOS will remove it from its blacklist. 15154 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15155 } 15156 15157 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15158 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15159 return; 15160 } 15161 15162 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15163 15164 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15165 "installPackageLI")) { 15166 if (replace) { 15167 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15168 installerPackageName, res); 15169 } else { 15170 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15171 args.user, installerPackageName, volumeUuid, res); 15172 } 15173 } 15174 synchronized (mPackages) { 15175 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15176 if (ps != null) { 15177 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15178 } 15179 15180 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15181 for (int i = 0; i < childCount; i++) { 15182 PackageParser.Package childPkg = pkg.childPackages.get(i); 15183 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15184 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15185 if (childPs != null) { 15186 childRes.newUsers = childPs.queryInstalledUsers( 15187 sUserManager.getUserIds(), true); 15188 } 15189 } 15190 } 15191 } 15192 15193 private void startIntentFilterVerifications(int userId, boolean replacing, 15194 PackageParser.Package pkg) { 15195 if (mIntentFilterVerifierComponent == null) { 15196 Slog.w(TAG, "No IntentFilter verification will not be done as " 15197 + "there is no IntentFilterVerifier available!"); 15198 return; 15199 } 15200 15201 final int verifierUid = getPackageUid( 15202 mIntentFilterVerifierComponent.getPackageName(), 15203 MATCH_DEBUG_TRIAGED_MISSING, 15204 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15205 15206 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15207 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15208 mHandler.sendMessage(msg); 15209 15210 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15211 for (int i = 0; i < childCount; i++) { 15212 PackageParser.Package childPkg = pkg.childPackages.get(i); 15213 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15214 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15215 mHandler.sendMessage(msg); 15216 } 15217 } 15218 15219 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15220 PackageParser.Package pkg) { 15221 int size = pkg.activities.size(); 15222 if (size == 0) { 15223 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15224 "No activity, so no need to verify any IntentFilter!"); 15225 return; 15226 } 15227 15228 final boolean hasDomainURLs = hasDomainURLs(pkg); 15229 if (!hasDomainURLs) { 15230 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15231 "No domain URLs, so no need to verify any IntentFilter!"); 15232 return; 15233 } 15234 15235 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15236 + " if any IntentFilter from the " + size 15237 + " Activities needs verification ..."); 15238 15239 int count = 0; 15240 final String packageName = pkg.packageName; 15241 15242 synchronized (mPackages) { 15243 // If this is a new install and we see that we've already run verification for this 15244 // package, we have nothing to do: it means the state was restored from backup. 15245 if (!replacing) { 15246 IntentFilterVerificationInfo ivi = 15247 mSettings.getIntentFilterVerificationLPr(packageName); 15248 if (ivi != null) { 15249 if (DEBUG_DOMAIN_VERIFICATION) { 15250 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15251 + ivi.getStatusString()); 15252 } 15253 return; 15254 } 15255 } 15256 15257 // If any filters need to be verified, then all need to be. 15258 boolean needToVerify = false; 15259 for (PackageParser.Activity a : pkg.activities) { 15260 for (ActivityIntentInfo filter : a.intents) { 15261 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15262 if (DEBUG_DOMAIN_VERIFICATION) { 15263 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15264 } 15265 needToVerify = true; 15266 break; 15267 } 15268 } 15269 } 15270 15271 if (needToVerify) { 15272 final int verificationId = mIntentFilterVerificationToken++; 15273 for (PackageParser.Activity a : pkg.activities) { 15274 for (ActivityIntentInfo filter : a.intents) { 15275 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15276 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15277 "Verification needed for IntentFilter:" + filter.toString()); 15278 mIntentFilterVerifier.addOneIntentFilterVerification( 15279 verifierUid, userId, verificationId, filter, packageName); 15280 count++; 15281 } 15282 } 15283 } 15284 } 15285 } 15286 15287 if (count > 0) { 15288 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15289 + " IntentFilter verification" + (count > 1 ? "s" : "") 15290 + " for userId:" + userId); 15291 mIntentFilterVerifier.startVerifications(userId); 15292 } else { 15293 if (DEBUG_DOMAIN_VERIFICATION) { 15294 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15295 } 15296 } 15297 } 15298 15299 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15300 final ComponentName cn = filter.activity.getComponentName(); 15301 final String packageName = cn.getPackageName(); 15302 15303 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15304 packageName); 15305 if (ivi == null) { 15306 return true; 15307 } 15308 int status = ivi.getStatus(); 15309 switch (status) { 15310 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15311 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15312 return true; 15313 15314 default: 15315 // Nothing to do 15316 return false; 15317 } 15318 } 15319 15320 private static boolean isMultiArch(ApplicationInfo info) { 15321 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15322 } 15323 15324 private static boolean isExternal(PackageParser.Package pkg) { 15325 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15326 } 15327 15328 private static boolean isExternal(PackageSetting ps) { 15329 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15330 } 15331 15332 private static boolean isEphemeral(PackageParser.Package pkg) { 15333 return pkg.applicationInfo.isEphemeralApp(); 15334 } 15335 15336 private static boolean isEphemeral(PackageSetting ps) { 15337 return ps.pkg != null && isEphemeral(ps.pkg); 15338 } 15339 15340 private static boolean isSystemApp(PackageParser.Package pkg) { 15341 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15342 } 15343 15344 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15345 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15346 } 15347 15348 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15349 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15350 } 15351 15352 private static boolean isSystemApp(PackageSetting ps) { 15353 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15354 } 15355 15356 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15357 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15358 } 15359 15360 private int packageFlagsToInstallFlags(PackageSetting ps) { 15361 int installFlags = 0; 15362 if (isEphemeral(ps)) { 15363 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15364 } 15365 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15366 // This existing package was an external ASEC install when we have 15367 // the external flag without a UUID 15368 installFlags |= PackageManager.INSTALL_EXTERNAL; 15369 } 15370 if (ps.isForwardLocked()) { 15371 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15372 } 15373 return installFlags; 15374 } 15375 15376 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15377 if (isExternal(pkg)) { 15378 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15379 return StorageManager.UUID_PRIMARY_PHYSICAL; 15380 } else { 15381 return pkg.volumeUuid; 15382 } 15383 } else { 15384 return StorageManager.UUID_PRIVATE_INTERNAL; 15385 } 15386 } 15387 15388 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15389 if (isExternal(pkg)) { 15390 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15391 return mSettings.getExternalVersion(); 15392 } else { 15393 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15394 } 15395 } else { 15396 return mSettings.getInternalVersion(); 15397 } 15398 } 15399 15400 private void deleteTempPackageFiles() { 15401 final FilenameFilter filter = new FilenameFilter() { 15402 public boolean accept(File dir, String name) { 15403 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15404 } 15405 }; 15406 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15407 file.delete(); 15408 } 15409 } 15410 15411 @Override 15412 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15413 int flags) { 15414 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15415 flags); 15416 } 15417 15418 @Override 15419 public void deletePackage(final String packageName, 15420 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15421 mContext.enforceCallingOrSelfPermission( 15422 android.Manifest.permission.DELETE_PACKAGES, null); 15423 Preconditions.checkNotNull(packageName); 15424 Preconditions.checkNotNull(observer); 15425 final int uid = Binder.getCallingUid(); 15426 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15427 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15428 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15429 mContext.enforceCallingOrSelfPermission( 15430 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15431 "deletePackage for user " + userId); 15432 } 15433 15434 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15435 try { 15436 observer.onPackageDeleted(packageName, 15437 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15438 } catch (RemoteException re) { 15439 } 15440 return; 15441 } 15442 15443 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15444 try { 15445 observer.onPackageDeleted(packageName, 15446 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15447 } catch (RemoteException re) { 15448 } 15449 return; 15450 } 15451 15452 if (DEBUG_REMOVE) { 15453 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15454 + " deleteAllUsers: " + deleteAllUsers ); 15455 } 15456 // Queue up an async operation since the package deletion may take a little while. 15457 mHandler.post(new Runnable() { 15458 public void run() { 15459 mHandler.removeCallbacks(this); 15460 int returnCode; 15461 if (!deleteAllUsers) { 15462 returnCode = deletePackageX(packageName, userId, deleteFlags); 15463 } else { 15464 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15465 // If nobody is blocking uninstall, proceed with delete for all users 15466 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15467 returnCode = deletePackageX(packageName, userId, deleteFlags); 15468 } else { 15469 // Otherwise uninstall individually for users with blockUninstalls=false 15470 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15471 for (int userId : users) { 15472 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15473 returnCode = deletePackageX(packageName, userId, userFlags); 15474 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15475 Slog.w(TAG, "Package delete failed for user " + userId 15476 + ", returnCode " + returnCode); 15477 } 15478 } 15479 } 15480 // The app has only been marked uninstalled for certain users. 15481 // We still need to report that delete was blocked 15482 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15483 } 15484 } 15485 try { 15486 observer.onPackageDeleted(packageName, returnCode, null); 15487 } catch (RemoteException e) { 15488 Log.i(TAG, "Observer no longer exists."); 15489 } //end catch 15490 } //end run 15491 }); 15492 } 15493 15494 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15495 int[] result = EMPTY_INT_ARRAY; 15496 for (int userId : userIds) { 15497 if (getBlockUninstallForUser(packageName, userId)) { 15498 result = ArrayUtils.appendInt(result, userId); 15499 } 15500 } 15501 return result; 15502 } 15503 15504 @Override 15505 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15506 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15507 } 15508 15509 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15510 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15511 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15512 try { 15513 if (dpm != null) { 15514 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15515 /* callingUserOnly =*/ false); 15516 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15517 : deviceOwnerComponentName.getPackageName(); 15518 // Does the package contains the device owner? 15519 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15520 // this check is probably not needed, since DO should be registered as a device 15521 // admin on some user too. (Original bug for this: b/17657954) 15522 if (packageName.equals(deviceOwnerPackageName)) { 15523 return true; 15524 } 15525 // Does it contain a device admin for any user? 15526 int[] users; 15527 if (userId == UserHandle.USER_ALL) { 15528 users = sUserManager.getUserIds(); 15529 } else { 15530 users = new int[]{userId}; 15531 } 15532 for (int i = 0; i < users.length; ++i) { 15533 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15534 return true; 15535 } 15536 } 15537 } 15538 } catch (RemoteException e) { 15539 } 15540 return false; 15541 } 15542 15543 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15544 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15545 } 15546 15547 /** 15548 * This method is an internal method that could be get invoked either 15549 * to delete an installed package or to clean up a failed installation. 15550 * After deleting an installed package, a broadcast is sent to notify any 15551 * listeners that the package has been removed. For cleaning up a failed 15552 * installation, the broadcast is not necessary since the package's 15553 * installation wouldn't have sent the initial broadcast either 15554 * The key steps in deleting a package are 15555 * deleting the package information in internal structures like mPackages, 15556 * deleting the packages base directories through installd 15557 * updating mSettings to reflect current status 15558 * persisting settings for later use 15559 * sending a broadcast if necessary 15560 */ 15561 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15562 final PackageRemovedInfo info = new PackageRemovedInfo(); 15563 final boolean res; 15564 15565 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15566 ? UserHandle.ALL : new UserHandle(userId); 15567 15568 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15569 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15570 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15571 } 15572 15573 PackageSetting uninstalledPs = null; 15574 15575 // for the uninstall-updates case and restricted profiles, remember the per- 15576 // user handle installed state 15577 int[] allUsers; 15578 synchronized (mPackages) { 15579 uninstalledPs = mSettings.mPackages.get(packageName); 15580 if (uninstalledPs == null) { 15581 Slog.w(TAG, "Not removing non-existent package " + packageName); 15582 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15583 } 15584 allUsers = sUserManager.getUserIds(); 15585 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15586 } 15587 15588 synchronized (mInstallLock) { 15589 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15590 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15591 "deletePackageX")) { 15592 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15593 deleteFlags | REMOVE_CHATTY, info, true, null); 15594 } 15595 synchronized (mPackages) { 15596 if (res) { 15597 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15598 } 15599 } 15600 } 15601 15602 if (res) { 15603 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15604 info.sendPackageRemovedBroadcasts(killApp); 15605 info.sendSystemPackageUpdatedBroadcasts(); 15606 info.sendSystemPackageAppearedBroadcasts(); 15607 } 15608 // Force a gc here. 15609 Runtime.getRuntime().gc(); 15610 // Delete the resources here after sending the broadcast to let 15611 // other processes clean up before deleting resources. 15612 if (info.args != null) { 15613 synchronized (mInstallLock) { 15614 info.args.doPostDeleteLI(true); 15615 } 15616 } 15617 15618 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15619 } 15620 15621 class PackageRemovedInfo { 15622 String removedPackage; 15623 int uid = -1; 15624 int removedAppId = -1; 15625 int[] origUsers; 15626 int[] removedUsers = null; 15627 boolean isRemovedPackageSystemUpdate = false; 15628 boolean isUpdate; 15629 boolean dataRemoved; 15630 boolean removedForAllUsers; 15631 // Clean up resources deleted packages. 15632 InstallArgs args = null; 15633 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15634 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15635 15636 void sendPackageRemovedBroadcasts(boolean killApp) { 15637 sendPackageRemovedBroadcastInternal(killApp); 15638 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15639 for (int i = 0; i < childCount; i++) { 15640 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15641 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15642 } 15643 } 15644 15645 void sendSystemPackageUpdatedBroadcasts() { 15646 if (isRemovedPackageSystemUpdate) { 15647 sendSystemPackageUpdatedBroadcastsInternal(); 15648 final int childCount = (removedChildPackages != null) 15649 ? removedChildPackages.size() : 0; 15650 for (int i = 0; i < childCount; i++) { 15651 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15652 if (childInfo.isRemovedPackageSystemUpdate) { 15653 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15654 } 15655 } 15656 } 15657 } 15658 15659 void sendSystemPackageAppearedBroadcasts() { 15660 final int packageCount = (appearedChildPackages != null) 15661 ? appearedChildPackages.size() : 0; 15662 for (int i = 0; i < packageCount; i++) { 15663 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15664 for (int userId : installedInfo.newUsers) { 15665 sendPackageAddedForUser(installedInfo.name, true, 15666 UserHandle.getAppId(installedInfo.uid), userId); 15667 } 15668 } 15669 } 15670 15671 private void sendSystemPackageUpdatedBroadcastsInternal() { 15672 Bundle extras = new Bundle(2); 15673 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15674 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15675 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15676 extras, 0, null, null, null); 15677 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15678 extras, 0, null, null, null); 15679 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15680 null, 0, removedPackage, null, null); 15681 } 15682 15683 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15684 Bundle extras = new Bundle(2); 15685 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15686 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15687 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15688 if (isUpdate || isRemovedPackageSystemUpdate) { 15689 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15690 } 15691 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15692 if (removedPackage != null) { 15693 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15694 extras, 0, null, null, removedUsers); 15695 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15696 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15697 removedPackage, extras, 0, null, null, removedUsers); 15698 } 15699 } 15700 if (removedAppId >= 0) { 15701 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15702 removedUsers); 15703 } 15704 } 15705 } 15706 15707 /* 15708 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15709 * flag is not set, the data directory is removed as well. 15710 * make sure this flag is set for partially installed apps. If not its meaningless to 15711 * delete a partially installed application. 15712 */ 15713 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15714 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15715 String packageName = ps.name; 15716 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15717 // Retrieve object to delete permissions for shared user later on 15718 final PackageParser.Package deletedPkg; 15719 final PackageSetting deletedPs; 15720 // reader 15721 synchronized (mPackages) { 15722 deletedPkg = mPackages.get(packageName); 15723 deletedPs = mSettings.mPackages.get(packageName); 15724 if (outInfo != null) { 15725 outInfo.removedPackage = packageName; 15726 outInfo.removedUsers = deletedPs != null 15727 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15728 : null; 15729 } 15730 } 15731 15732 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15733 15734 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15735 final PackageParser.Package resolvedPkg; 15736 if (deletedPkg != null) { 15737 resolvedPkg = deletedPkg; 15738 } else { 15739 // We don't have a parsed package when it lives on an ejected 15740 // adopted storage device, so fake something together 15741 resolvedPkg = new PackageParser.Package(ps.name); 15742 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15743 } 15744 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15745 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15746 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15747 if (outInfo != null) { 15748 outInfo.dataRemoved = true; 15749 } 15750 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15751 } 15752 15753 // writer 15754 synchronized (mPackages) { 15755 if (deletedPs != null) { 15756 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15757 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15758 clearDefaultBrowserIfNeeded(packageName); 15759 if (outInfo != null) { 15760 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15761 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15762 } 15763 updatePermissionsLPw(deletedPs.name, null, 0); 15764 if (deletedPs.sharedUser != null) { 15765 // Remove permissions associated with package. Since runtime 15766 // permissions are per user we have to kill the removed package 15767 // or packages running under the shared user of the removed 15768 // package if revoking the permissions requested only by the removed 15769 // package is successful and this causes a change in gids. 15770 for (int userId : UserManagerService.getInstance().getUserIds()) { 15771 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15772 userId); 15773 if (userIdToKill == UserHandle.USER_ALL 15774 || userIdToKill >= UserHandle.USER_SYSTEM) { 15775 // If gids changed for this user, kill all affected packages. 15776 mHandler.post(new Runnable() { 15777 @Override 15778 public void run() { 15779 // This has to happen with no lock held. 15780 killApplication(deletedPs.name, deletedPs.appId, 15781 KILL_APP_REASON_GIDS_CHANGED); 15782 } 15783 }); 15784 break; 15785 } 15786 } 15787 } 15788 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15789 } 15790 // make sure to preserve per-user disabled state if this removal was just 15791 // a downgrade of a system app to the factory package 15792 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15793 if (DEBUG_REMOVE) { 15794 Slog.d(TAG, "Propagating install state across downgrade"); 15795 } 15796 for (int userId : allUserHandles) { 15797 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15798 if (DEBUG_REMOVE) { 15799 Slog.d(TAG, " user " + userId + " => " + installed); 15800 } 15801 ps.setInstalled(installed, userId); 15802 } 15803 } 15804 } 15805 // can downgrade to reader 15806 if (writeSettings) { 15807 // Save settings now 15808 mSettings.writeLPr(); 15809 } 15810 } 15811 if (outInfo != null) { 15812 // A user ID was deleted here. Go through all users and remove it 15813 // from KeyStore. 15814 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15815 } 15816 } 15817 15818 static boolean locationIsPrivileged(File path) { 15819 try { 15820 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15821 .getCanonicalPath(); 15822 final String privilegedAppVendorDir = new File(Environment.getVendorDirectory(), "priv-app") 15823 .getCanonicalPath(); 15824 return (path.getCanonicalPath().startsWith(privilegedAppDir) 15825 || path.getCanonicalPath().startsWith(privilegedAppVendorDir)); 15826 } catch (IOException e) { 15827 Slog.e(TAG, "Unable to access code path " + path); 15828 } 15829 return false; 15830 } 15831 15832 /* 15833 * Tries to delete system package. 15834 */ 15835 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15836 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15837 boolean writeSettings) { 15838 if (deletedPs.parentPackageName != null) { 15839 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15840 return false; 15841 } 15842 15843 final boolean applyUserRestrictions 15844 = (allUserHandles != null) && (outInfo.origUsers != null); 15845 final PackageSetting disabledPs; 15846 // Confirm if the system package has been updated 15847 // An updated system app can be deleted. This will also have to restore 15848 // the system pkg from system partition 15849 // reader 15850 synchronized (mPackages) { 15851 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15852 } 15853 15854 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15855 + " disabledPs=" + disabledPs); 15856 15857 if (disabledPs == null) { 15858 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15859 return false; 15860 } else if (DEBUG_REMOVE) { 15861 Slog.d(TAG, "Deleting system pkg from data partition"); 15862 } 15863 15864 if (DEBUG_REMOVE) { 15865 if (applyUserRestrictions) { 15866 Slog.d(TAG, "Remembering install states:"); 15867 for (int userId : allUserHandles) { 15868 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15869 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15870 } 15871 } 15872 } 15873 15874 // Delete the updated package 15875 outInfo.isRemovedPackageSystemUpdate = true; 15876 if (outInfo.removedChildPackages != null) { 15877 final int childCount = (deletedPs.childPackageNames != null) 15878 ? deletedPs.childPackageNames.size() : 0; 15879 for (int i = 0; i < childCount; i++) { 15880 String childPackageName = deletedPs.childPackageNames.get(i); 15881 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15882 .contains(childPackageName)) { 15883 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15884 childPackageName); 15885 if (childInfo != null) { 15886 childInfo.isRemovedPackageSystemUpdate = true; 15887 } 15888 } 15889 } 15890 } 15891 15892 if (disabledPs.versionCode < deletedPs.versionCode) { 15893 // Delete data for downgrades 15894 flags &= ~PackageManager.DELETE_KEEP_DATA; 15895 } else { 15896 // Preserve data by setting flag 15897 flags |= PackageManager.DELETE_KEEP_DATA; 15898 } 15899 15900 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15901 outInfo, writeSettings, disabledPs.pkg); 15902 if (!ret) { 15903 return false; 15904 } 15905 15906 // writer 15907 synchronized (mPackages) { 15908 // Reinstate the old system package 15909 enableSystemPackageLPw(disabledPs.pkg); 15910 // Remove any native libraries from the upgraded package. 15911 removeNativeBinariesLI(deletedPs); 15912 } 15913 15914 // Install the system package 15915 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15916 int parseFlags = mDefParseFlags 15917 | PackageParser.PARSE_MUST_BE_APK 15918 | PackageParser.PARSE_IS_SYSTEM 15919 | PackageParser.PARSE_IS_SYSTEM_DIR; 15920 if (locationIsPrivileged(disabledPs.codePath)) { 15921 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15922 } 15923 15924 final PackageParser.Package newPkg; 15925 try { 15926 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15927 } catch (PackageManagerException e) { 15928 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15929 + e.getMessage()); 15930 return false; 15931 } 15932 15933 prepareAppDataAfterInstallLIF(newPkg); 15934 15935 // writer 15936 synchronized (mPackages) { 15937 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15938 15939 // Propagate the permissions state as we do not want to drop on the floor 15940 // runtime permissions. The update permissions method below will take 15941 // care of removing obsolete permissions and grant install permissions. 15942 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15943 updatePermissionsLPw(newPkg.packageName, newPkg, 15944 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15945 15946 if (applyUserRestrictions) { 15947 if (DEBUG_REMOVE) { 15948 Slog.d(TAG, "Propagating install state across reinstall"); 15949 } 15950 for (int userId : allUserHandles) { 15951 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15952 if (DEBUG_REMOVE) { 15953 Slog.d(TAG, " user " + userId + " => " + installed); 15954 } 15955 ps.setInstalled(installed, userId); 15956 15957 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15958 } 15959 // Regardless of writeSettings we need to ensure that this restriction 15960 // state propagation is persisted 15961 mSettings.writeAllUsersPackageRestrictionsLPr(); 15962 } 15963 // can downgrade to reader here 15964 if (writeSettings) { 15965 mSettings.writeLPr(); 15966 } 15967 } 15968 return true; 15969 } 15970 15971 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15972 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15973 PackageRemovedInfo outInfo, boolean writeSettings, 15974 PackageParser.Package replacingPackage) { 15975 synchronized (mPackages) { 15976 if (outInfo != null) { 15977 outInfo.uid = ps.appId; 15978 } 15979 15980 if (outInfo != null && outInfo.removedChildPackages != null) { 15981 final int childCount = (ps.childPackageNames != null) 15982 ? ps.childPackageNames.size() : 0; 15983 for (int i = 0; i < childCount; i++) { 15984 String childPackageName = ps.childPackageNames.get(i); 15985 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15986 if (childPs == null) { 15987 return false; 15988 } 15989 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15990 childPackageName); 15991 if (childInfo != null) { 15992 childInfo.uid = childPs.appId; 15993 } 15994 } 15995 } 15996 } 15997 15998 // Delete package data from internal structures and also remove data if flag is set 15999 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 16000 16001 // Delete the child packages data 16002 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16003 for (int i = 0; i < childCount; i++) { 16004 PackageSetting childPs; 16005 synchronized (mPackages) { 16006 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 16007 } 16008 if (childPs != null) { 16009 PackageRemovedInfo childOutInfo = (outInfo != null 16010 && outInfo.removedChildPackages != null) 16011 ? outInfo.removedChildPackages.get(childPs.name) : null; 16012 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 16013 && (replacingPackage != null 16014 && !replacingPackage.hasChildPackage(childPs.name)) 16015 ? flags & ~DELETE_KEEP_DATA : flags; 16016 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 16017 deleteFlags, writeSettings); 16018 } 16019 } 16020 16021 // Delete application code and resources only for parent packages 16022 if (ps.parentPackageName == null) { 16023 if (deleteCodeAndResources && (outInfo != null)) { 16024 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 16025 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 16026 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 16027 } 16028 } 16029 16030 return true; 16031 } 16032 16033 @Override 16034 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 16035 int userId) { 16036 mContext.enforceCallingOrSelfPermission( 16037 android.Manifest.permission.DELETE_PACKAGES, null); 16038 synchronized (mPackages) { 16039 PackageSetting ps = mSettings.mPackages.get(packageName); 16040 if (ps == null) { 16041 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 16042 return false; 16043 } 16044 if (!ps.getInstalled(userId)) { 16045 // Can't block uninstall for an app that is not installed or enabled. 16046 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 16047 return false; 16048 } 16049 ps.setBlockUninstall(blockUninstall, userId); 16050 mSettings.writePackageRestrictionsLPr(userId); 16051 } 16052 return true; 16053 } 16054 16055 @Override 16056 public boolean getBlockUninstallForUser(String packageName, int userId) { 16057 synchronized (mPackages) { 16058 PackageSetting ps = mSettings.mPackages.get(packageName); 16059 if (ps == null) { 16060 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 16061 return false; 16062 } 16063 return ps.getBlockUninstall(userId); 16064 } 16065 } 16066 16067 @Override 16068 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 16069 int callingUid = Binder.getCallingUid(); 16070 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 16071 throw new SecurityException( 16072 "setRequiredForSystemUser can only be run by the system or root"); 16073 } 16074 synchronized (mPackages) { 16075 PackageSetting ps = mSettings.mPackages.get(packageName); 16076 if (ps == null) { 16077 Log.w(TAG, "Package doesn't exist: " + packageName); 16078 return false; 16079 } 16080 if (systemUserApp) { 16081 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16082 } else { 16083 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 16084 } 16085 mSettings.writeLPr(); 16086 } 16087 return true; 16088 } 16089 16090 /* 16091 * This method handles package deletion in general 16092 */ 16093 private boolean deletePackageLIF(String packageName, UserHandle user, 16094 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 16095 PackageRemovedInfo outInfo, boolean writeSettings, 16096 PackageParser.Package replacingPackage) { 16097 if (packageName == null) { 16098 Slog.w(TAG, "Attempt to delete null packageName."); 16099 return false; 16100 } 16101 16102 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 16103 16104 PackageSetting ps; 16105 16106 synchronized (mPackages) { 16107 ps = mSettings.mPackages.get(packageName); 16108 if (ps == null) { 16109 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16110 return false; 16111 } 16112 16113 if (ps.parentPackageName != null && (!isSystemApp(ps) 16114 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 16115 if (DEBUG_REMOVE) { 16116 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 16117 + ((user == null) ? UserHandle.USER_ALL : user)); 16118 } 16119 final int removedUserId = (user != null) ? user.getIdentifier() 16120 : UserHandle.USER_ALL; 16121 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 16122 return false; 16123 } 16124 markPackageUninstalledForUserLPw(ps, user); 16125 scheduleWritePackageRestrictionsLocked(user); 16126 return true; 16127 } 16128 } 16129 16130 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 16131 && user.getIdentifier() != UserHandle.USER_ALL)) { 16132 // The caller is asking that the package only be deleted for a single 16133 // user. To do this, we just mark its uninstalled state and delete 16134 // its data. If this is a system app, we only allow this to happen if 16135 // they have set the special DELETE_SYSTEM_APP which requests different 16136 // semantics than normal for uninstalling system apps. 16137 markPackageUninstalledForUserLPw(ps, user); 16138 16139 if (!isSystemApp(ps)) { 16140 // Do not uninstall the APK if an app should be cached 16141 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16142 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16143 // Other user still have this package installed, so all 16144 // we need to do is clear this user's data and save that 16145 // it is uninstalled. 16146 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16147 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16148 return false; 16149 } 16150 scheduleWritePackageRestrictionsLocked(user); 16151 return true; 16152 } else { 16153 // We need to set it back to 'installed' so the uninstall 16154 // broadcasts will be sent correctly. 16155 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16156 ps.setInstalled(true, user.getIdentifier()); 16157 } 16158 } else { 16159 // This is a system app, so we assume that the 16160 // other users still have this package installed, so all 16161 // we need to do is clear this user's data and save that 16162 // it is uninstalled. 16163 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16164 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16165 return false; 16166 } 16167 scheduleWritePackageRestrictionsLocked(user); 16168 return true; 16169 } 16170 } 16171 16172 // If we are deleting a composite package for all users, keep track 16173 // of result for each child. 16174 if (ps.childPackageNames != null && outInfo != null) { 16175 synchronized (mPackages) { 16176 final int childCount = ps.childPackageNames.size(); 16177 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16178 for (int i = 0; i < childCount; i++) { 16179 String childPackageName = ps.childPackageNames.get(i); 16180 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16181 childInfo.removedPackage = childPackageName; 16182 outInfo.removedChildPackages.put(childPackageName, childInfo); 16183 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16184 if (childPs != null) { 16185 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16186 } 16187 } 16188 } 16189 } 16190 16191 boolean ret = false; 16192 if (isSystemApp(ps)) { 16193 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16194 // When an updated system application is deleted we delete the existing resources 16195 // as well and fall back to existing code in system partition 16196 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16197 } else { 16198 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16199 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16200 outInfo, writeSettings, replacingPackage); 16201 } 16202 16203 // Take a note whether we deleted the package for all users 16204 if (outInfo != null) { 16205 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16206 if (outInfo.removedChildPackages != null) { 16207 synchronized (mPackages) { 16208 final int childCount = outInfo.removedChildPackages.size(); 16209 for (int i = 0; i < childCount; i++) { 16210 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16211 if (childInfo != null) { 16212 childInfo.removedForAllUsers = mPackages.get( 16213 childInfo.removedPackage) == null; 16214 } 16215 } 16216 } 16217 } 16218 // If we uninstalled an update to a system app there may be some 16219 // child packages that appeared as they are declared in the system 16220 // app but were not declared in the update. 16221 if (isSystemApp(ps)) { 16222 synchronized (mPackages) { 16223 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16224 final int childCount = (updatedPs.childPackageNames != null) 16225 ? updatedPs.childPackageNames.size() : 0; 16226 for (int i = 0; i < childCount; i++) { 16227 String childPackageName = updatedPs.childPackageNames.get(i); 16228 if (outInfo.removedChildPackages == null 16229 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16230 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16231 if (childPs == null) { 16232 continue; 16233 } 16234 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16235 installRes.name = childPackageName; 16236 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16237 installRes.pkg = mPackages.get(childPackageName); 16238 installRes.uid = childPs.pkg.applicationInfo.uid; 16239 if (outInfo.appearedChildPackages == null) { 16240 outInfo.appearedChildPackages = new ArrayMap<>(); 16241 } 16242 outInfo.appearedChildPackages.put(childPackageName, installRes); 16243 } 16244 } 16245 } 16246 } 16247 } 16248 16249 return ret; 16250 } 16251 16252 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16253 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16254 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16255 for (int nextUserId : userIds) { 16256 if (DEBUG_REMOVE) { 16257 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16258 } 16259 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16260 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16261 false /*hidden*/, false /*suspended*/, null, null, null, 16262 false /*blockUninstall*/, 16263 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16264 } 16265 } 16266 16267 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16268 PackageRemovedInfo outInfo) { 16269 final PackageParser.Package pkg; 16270 synchronized (mPackages) { 16271 pkg = mPackages.get(ps.name); 16272 } 16273 16274 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16275 : new int[] {userId}; 16276 for (int nextUserId : userIds) { 16277 if (DEBUG_REMOVE) { 16278 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16279 + nextUserId); 16280 } 16281 16282 destroyAppDataLIF(pkg, userId, 16283 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16284 destroyAppProfilesLIF(pkg, userId); 16285 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16286 schedulePackageCleaning(ps.name, nextUserId, false); 16287 synchronized (mPackages) { 16288 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16289 scheduleWritePackageRestrictionsLocked(nextUserId); 16290 } 16291 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16292 } 16293 } 16294 16295 if (outInfo != null) { 16296 outInfo.removedPackage = ps.name; 16297 outInfo.removedAppId = ps.appId; 16298 outInfo.removedUsers = userIds; 16299 } 16300 16301 return true; 16302 } 16303 16304 private final class ClearStorageConnection implements ServiceConnection { 16305 IMediaContainerService mContainerService; 16306 16307 @Override 16308 public void onServiceConnected(ComponentName name, IBinder service) { 16309 synchronized (this) { 16310 mContainerService = IMediaContainerService.Stub.asInterface(service); 16311 notifyAll(); 16312 } 16313 } 16314 16315 @Override 16316 public void onServiceDisconnected(ComponentName name) { 16317 } 16318 } 16319 16320 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16321 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16322 16323 final boolean mounted; 16324 if (Environment.isExternalStorageEmulated()) { 16325 mounted = true; 16326 } else { 16327 final String status = Environment.getExternalStorageState(); 16328 16329 mounted = status.equals(Environment.MEDIA_MOUNTED) 16330 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16331 } 16332 16333 if (!mounted) { 16334 return; 16335 } 16336 16337 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16338 int[] users; 16339 if (userId == UserHandle.USER_ALL) { 16340 users = sUserManager.getUserIds(); 16341 } else { 16342 users = new int[] { userId }; 16343 } 16344 final ClearStorageConnection conn = new ClearStorageConnection(); 16345 if (mContext.bindServiceAsUser( 16346 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16347 try { 16348 for (int curUser : users) { 16349 long timeout = SystemClock.uptimeMillis() + 5000; 16350 synchronized (conn) { 16351 long now; 16352 while (conn.mContainerService == null && 16353 (now = SystemClock.uptimeMillis()) < timeout) { 16354 try { 16355 conn.wait(timeout - now); 16356 } catch (InterruptedException e) { 16357 } 16358 } 16359 } 16360 if (conn.mContainerService == null) { 16361 return; 16362 } 16363 16364 final UserEnvironment userEnv = new UserEnvironment(curUser); 16365 clearDirectory(conn.mContainerService, 16366 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16367 if (allData) { 16368 clearDirectory(conn.mContainerService, 16369 userEnv.buildExternalStorageAppDataDirs(packageName)); 16370 clearDirectory(conn.mContainerService, 16371 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16372 } 16373 } 16374 } finally { 16375 mContext.unbindService(conn); 16376 } 16377 } 16378 } 16379 16380 @Override 16381 public void clearApplicationProfileData(String packageName) { 16382 enforceSystemOrRoot("Only the system can clear all profile data"); 16383 16384 final PackageParser.Package pkg; 16385 synchronized (mPackages) { 16386 pkg = mPackages.get(packageName); 16387 } 16388 16389 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16390 synchronized (mInstallLock) { 16391 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16392 destroyAppReferenceProfileLeafLIF(pkg, UserHandle.USER_ALL, 16393 true /* removeBaseMarker */); 16394 } 16395 } 16396 } 16397 16398 @Override 16399 public void clearApplicationUserData(final String packageName, 16400 final IPackageDataObserver observer, final int userId) { 16401 mContext.enforceCallingOrSelfPermission( 16402 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16403 16404 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16405 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16406 16407 if (mProtectedPackages.canPackageBeWiped(userId, packageName)) { 16408 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 16409 } 16410 // Queue up an async operation since the package deletion may take a little while. 16411 mHandler.post(new Runnable() { 16412 public void run() { 16413 mHandler.removeCallbacks(this); 16414 final boolean succeeded; 16415 try (PackageFreezer freezer = freezePackage(packageName, 16416 "clearApplicationUserData")) { 16417 synchronized (mInstallLock) { 16418 succeeded = clearApplicationUserDataLIF(packageName, userId); 16419 } 16420 clearExternalStorageDataSync(packageName, userId, true); 16421 } 16422 if (succeeded) { 16423 // invoke DeviceStorageMonitor's update method to clear any notifications 16424 DeviceStorageMonitorInternal dsm = LocalServices 16425 .getService(DeviceStorageMonitorInternal.class); 16426 if (dsm != null) { 16427 dsm.checkMemory(); 16428 } 16429 } 16430 if(observer != null) { 16431 try { 16432 observer.onRemoveCompleted(packageName, succeeded); 16433 } catch (RemoteException e) { 16434 Log.i(TAG, "Observer no longer exists."); 16435 } 16436 } //end if observer 16437 } //end run 16438 }); 16439 } 16440 16441 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16442 if (packageName == null) { 16443 Slog.w(TAG, "Attempt to delete null packageName."); 16444 return false; 16445 } 16446 16447 // Try finding details about the requested package 16448 PackageParser.Package pkg; 16449 synchronized (mPackages) { 16450 pkg = mPackages.get(packageName); 16451 if (pkg == null) { 16452 final PackageSetting ps = mSettings.mPackages.get(packageName); 16453 if (ps != null) { 16454 pkg = ps.pkg; 16455 } 16456 } 16457 16458 if (pkg == null) { 16459 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16460 return false; 16461 } 16462 16463 PackageSetting ps = (PackageSetting) pkg.mExtras; 16464 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16465 } 16466 16467 clearAppDataLIF(pkg, userId, 16468 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16469 16470 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16471 removeKeystoreDataIfNeeded(userId, appId); 16472 16473 UserManagerInternal umInternal = getUserManagerInternal(); 16474 final int flags; 16475 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16476 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16477 } else if (umInternal.isUserRunning(userId)) { 16478 flags = StorageManager.FLAG_STORAGE_DE; 16479 } else { 16480 flags = 0; 16481 } 16482 prepareAppDataContentsLIF(pkg, userId, flags); 16483 16484 return true; 16485 } 16486 16487 /** 16488 * Reverts user permission state changes (permissions and flags) in 16489 * all packages for a given user. 16490 * 16491 * @param userId The device user for which to do a reset. 16492 */ 16493 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16494 final int packageCount = mPackages.size(); 16495 for (int i = 0; i < packageCount; i++) { 16496 PackageParser.Package pkg = mPackages.valueAt(i); 16497 PackageSetting ps = (PackageSetting) pkg.mExtras; 16498 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16499 } 16500 } 16501 16502 private void resetNetworkPolicies(int userId) { 16503 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16504 } 16505 16506 /** 16507 * Reverts user permission state changes (permissions and flags). 16508 * 16509 * @param ps The package for which to reset. 16510 * @param userId The device user for which to do a reset. 16511 */ 16512 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16513 final PackageSetting ps, final int userId) { 16514 if (ps.pkg == null) { 16515 return; 16516 } 16517 16518 // These are flags that can change base on user actions. 16519 final int userSettableMask = FLAG_PERMISSION_USER_SET 16520 | FLAG_PERMISSION_USER_FIXED 16521 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16522 | FLAG_PERMISSION_REVIEW_REQUIRED; 16523 16524 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16525 | FLAG_PERMISSION_POLICY_FIXED; 16526 16527 boolean writeInstallPermissions = false; 16528 boolean writeRuntimePermissions = false; 16529 16530 final int permissionCount = ps.pkg.requestedPermissions.size(); 16531 for (int i = 0; i < permissionCount; i++) { 16532 String permission = ps.pkg.requestedPermissions.get(i); 16533 16534 BasePermission bp = mSettings.mPermissions.get(permission); 16535 if (bp == null) { 16536 continue; 16537 } 16538 16539 // If shared user we just reset the state to which only this app contributed. 16540 if (ps.sharedUser != null) { 16541 boolean used = false; 16542 final int packageCount = ps.sharedUser.packages.size(); 16543 for (int j = 0; j < packageCount; j++) { 16544 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16545 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16546 && pkg.pkg.requestedPermissions.contains(permission)) { 16547 used = true; 16548 break; 16549 } 16550 } 16551 if (used) { 16552 continue; 16553 } 16554 } 16555 16556 PermissionsState permissionsState = ps.getPermissionsState(); 16557 16558 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16559 16560 // Always clear the user settable flags. 16561 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16562 bp.name) != null; 16563 // If permission review is enabled and this is a legacy app, mark the 16564 // permission as requiring a review as this is the initial state. 16565 int flags = 0; 16566 if (Build.PERMISSIONS_REVIEW_REQUIRED 16567 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16568 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16569 } 16570 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16571 if (hasInstallState) { 16572 writeInstallPermissions = true; 16573 } else { 16574 writeRuntimePermissions = true; 16575 } 16576 } 16577 16578 // Below is only runtime permission handling. 16579 if (!bp.isRuntime()) { 16580 continue; 16581 } 16582 16583 // Never clobber system or policy. 16584 if ((oldFlags & policyOrSystemFlags) != 0) { 16585 continue; 16586 } 16587 16588 // If this permission was granted by default, make sure it is. 16589 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16590 if (permissionsState.grantRuntimePermission(bp, userId) 16591 != PERMISSION_OPERATION_FAILURE) { 16592 writeRuntimePermissions = true; 16593 } 16594 // If permission review is enabled the permissions for a legacy apps 16595 // are represented as constantly granted runtime ones, so don't revoke. 16596 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16597 // Otherwise, reset the permission. 16598 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16599 switch (revokeResult) { 16600 case PERMISSION_OPERATION_SUCCESS: 16601 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16602 writeRuntimePermissions = true; 16603 final int appId = ps.appId; 16604 mHandler.post(new Runnable() { 16605 @Override 16606 public void run() { 16607 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16608 } 16609 }); 16610 } break; 16611 } 16612 } 16613 } 16614 16615 // Synchronously write as we are taking permissions away. 16616 if (writeRuntimePermissions) { 16617 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16618 } 16619 16620 // Synchronously write as we are taking permissions away. 16621 if (writeInstallPermissions) { 16622 mSettings.writeLPr(); 16623 } 16624 } 16625 16626 /** 16627 * Remove entries from the keystore daemon. Will only remove it if the 16628 * {@code appId} is valid. 16629 */ 16630 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16631 if (appId < 0) { 16632 return; 16633 } 16634 16635 final KeyStore keyStore = KeyStore.getInstance(); 16636 if (keyStore != null) { 16637 if (userId == UserHandle.USER_ALL) { 16638 for (final int individual : sUserManager.getUserIds()) { 16639 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16640 } 16641 } else { 16642 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16643 } 16644 } else { 16645 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16646 } 16647 } 16648 16649 @Override 16650 public void deleteApplicationCacheFiles(final String packageName, 16651 final IPackageDataObserver observer) { 16652 final int userId = UserHandle.getCallingUserId(); 16653 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16654 } 16655 16656 @Override 16657 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16658 final IPackageDataObserver observer) { 16659 mContext.enforceCallingOrSelfPermission( 16660 android.Manifest.permission.DELETE_CACHE_FILES, null); 16661 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16662 /* requireFullPermission= */ true, /* checkShell= */ false, 16663 "delete application cache files"); 16664 16665 final PackageParser.Package pkg; 16666 synchronized (mPackages) { 16667 pkg = mPackages.get(packageName); 16668 } 16669 16670 // Queue up an async operation since the package deletion may take a little while. 16671 mHandler.post(new Runnable() { 16672 public void run() { 16673 synchronized (mInstallLock) { 16674 final int flags = StorageManager.FLAG_STORAGE_DE 16675 | StorageManager.FLAG_STORAGE_CE; 16676 // We're only clearing cache files, so we don't care if the 16677 // app is unfrozen and still able to run 16678 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16679 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16680 } 16681 clearExternalStorageDataSync(packageName, userId, false); 16682 if (observer != null) { 16683 try { 16684 observer.onRemoveCompleted(packageName, true); 16685 } catch (RemoteException e) { 16686 Log.i(TAG, "Observer no longer exists."); 16687 } 16688 } 16689 } 16690 }); 16691 } 16692 16693 @Override 16694 public void getPackageSizeInfo(final String packageName, int userHandle, 16695 final IPackageStatsObserver observer) { 16696 mContext.enforceCallingOrSelfPermission( 16697 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16698 if (packageName == null) { 16699 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16700 } 16701 16702 PackageStats stats = new PackageStats(packageName, userHandle); 16703 16704 /* 16705 * Queue up an async operation since the package measurement may take a 16706 * little while. 16707 */ 16708 Message msg = mHandler.obtainMessage(INIT_COPY); 16709 msg.obj = new MeasureParams(stats, observer); 16710 mHandler.sendMessage(msg); 16711 } 16712 16713 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16714 final PackageSetting ps; 16715 synchronized (mPackages) { 16716 ps = mSettings.mPackages.get(packageName); 16717 if (ps == null) { 16718 Slog.w(TAG, "Failed to find settings for " + packageName); 16719 return false; 16720 } 16721 } 16722 try { 16723 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16724 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16725 ps.getCeDataInode(userId), ps.codePathString, stats); 16726 } catch (InstallerException e) { 16727 Slog.w(TAG, String.valueOf(e)); 16728 return false; 16729 } 16730 16731 // For now, ignore code size of packages on system partition 16732 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16733 stats.codeSize = 0; 16734 } 16735 16736 return true; 16737 } 16738 16739 private int getUidTargetSdkVersionLockedLPr(int uid) { 16740 Object obj = mSettings.getUserIdLPr(uid); 16741 if (obj instanceof SharedUserSetting) { 16742 final SharedUserSetting sus = (SharedUserSetting) obj; 16743 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16744 final Iterator<PackageSetting> it = sus.packages.iterator(); 16745 while (it.hasNext()) { 16746 final PackageSetting ps = it.next(); 16747 if (ps.pkg != null) { 16748 int v = ps.pkg.applicationInfo.targetSdkVersion; 16749 if (v < vers) vers = v; 16750 } 16751 } 16752 return vers; 16753 } else if (obj instanceof PackageSetting) { 16754 final PackageSetting ps = (PackageSetting) obj; 16755 if (ps.pkg != null) { 16756 return ps.pkg.applicationInfo.targetSdkVersion; 16757 } 16758 } 16759 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16760 } 16761 16762 @Override 16763 public void addPreferredActivity(IntentFilter filter, int match, 16764 ComponentName[] set, ComponentName activity, int userId) { 16765 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16766 "Adding preferred"); 16767 } 16768 16769 private void addPreferredActivityInternal(IntentFilter filter, int match, 16770 ComponentName[] set, ComponentName activity, boolean always, int userId, 16771 String opname) { 16772 // writer 16773 int callingUid = Binder.getCallingUid(); 16774 enforceCrossUserPermission(callingUid, userId, 16775 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16776 if (filter.countActions() == 0) { 16777 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16778 return; 16779 } 16780 synchronized (mPackages) { 16781 if (mContext.checkCallingOrSelfPermission( 16782 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16783 != PackageManager.PERMISSION_GRANTED) { 16784 if (getUidTargetSdkVersionLockedLPr(callingUid) 16785 < Build.VERSION_CODES.FROYO) { 16786 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16787 + callingUid); 16788 return; 16789 } 16790 mContext.enforceCallingOrSelfPermission( 16791 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16792 } 16793 16794 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16795 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16796 + userId + ":"); 16797 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16798 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16799 scheduleWritePackageRestrictionsLocked(userId); 16800 } 16801 } 16802 16803 @Override 16804 public void replacePreferredActivity(IntentFilter filter, int match, 16805 ComponentName[] set, ComponentName activity, int userId) { 16806 if (filter.countActions() != 1) { 16807 throw new IllegalArgumentException( 16808 "replacePreferredActivity expects filter to have only 1 action."); 16809 } 16810 if (filter.countDataAuthorities() != 0 16811 || filter.countDataPaths() != 0 16812 || filter.countDataSchemes() > 1 16813 || filter.countDataTypes() != 0) { 16814 throw new IllegalArgumentException( 16815 "replacePreferredActivity expects filter to have no data authorities, " + 16816 "paths, or types; and at most one scheme."); 16817 } 16818 16819 final int callingUid = Binder.getCallingUid(); 16820 enforceCrossUserPermission(callingUid, userId, 16821 true /* requireFullPermission */, false /* checkShell */, 16822 "replace preferred activity"); 16823 synchronized (mPackages) { 16824 if (mContext.checkCallingOrSelfPermission( 16825 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16826 != PackageManager.PERMISSION_GRANTED) { 16827 if (getUidTargetSdkVersionLockedLPr(callingUid) 16828 < Build.VERSION_CODES.FROYO) { 16829 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16830 + Binder.getCallingUid()); 16831 return; 16832 } 16833 mContext.enforceCallingOrSelfPermission( 16834 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16835 } 16836 16837 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16838 if (pir != null) { 16839 // Get all of the existing entries that exactly match this filter. 16840 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16841 if (existing != null && existing.size() == 1) { 16842 PreferredActivity cur = existing.get(0); 16843 if (DEBUG_PREFERRED) { 16844 Slog.i(TAG, "Checking replace of preferred:"); 16845 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16846 if (!cur.mPref.mAlways) { 16847 Slog.i(TAG, " -- CUR; not mAlways!"); 16848 } else { 16849 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16850 Slog.i(TAG, " -- CUR: mSet=" 16851 + Arrays.toString(cur.mPref.mSetComponents)); 16852 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16853 Slog.i(TAG, " -- NEW: mMatch=" 16854 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16855 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16856 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16857 } 16858 } 16859 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16860 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16861 && cur.mPref.sameSet(set)) { 16862 // Setting the preferred activity to what it happens to be already 16863 if (DEBUG_PREFERRED) { 16864 Slog.i(TAG, "Replacing with same preferred activity " 16865 + cur.mPref.mShortComponent + " for user " 16866 + userId + ":"); 16867 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16868 } 16869 return; 16870 } 16871 } 16872 16873 if (existing != null) { 16874 if (DEBUG_PREFERRED) { 16875 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16876 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16877 } 16878 for (int i = 0; i < existing.size(); i++) { 16879 PreferredActivity pa = existing.get(i); 16880 if (DEBUG_PREFERRED) { 16881 Slog.i(TAG, "Removing existing preferred activity " 16882 + pa.mPref.mComponent + ":"); 16883 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16884 } 16885 pir.removeFilter(pa); 16886 } 16887 } 16888 } 16889 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16890 "Replacing preferred"); 16891 } 16892 } 16893 16894 @Override 16895 public void clearPackagePreferredActivities(String packageName) { 16896 final int uid = Binder.getCallingUid(); 16897 // writer 16898 synchronized (mPackages) { 16899 PackageParser.Package pkg = mPackages.get(packageName); 16900 if (pkg == null || pkg.applicationInfo.uid != uid) { 16901 if (mContext.checkCallingOrSelfPermission( 16902 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16903 != PackageManager.PERMISSION_GRANTED) { 16904 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16905 < Build.VERSION_CODES.FROYO) { 16906 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16907 + Binder.getCallingUid()); 16908 return; 16909 } 16910 mContext.enforceCallingOrSelfPermission( 16911 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16912 } 16913 } 16914 16915 int user = UserHandle.getCallingUserId(); 16916 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16917 scheduleWritePackageRestrictionsLocked(user); 16918 } 16919 } 16920 } 16921 16922 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16923 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16924 ArrayList<PreferredActivity> removed = null; 16925 boolean changed = false; 16926 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16927 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16928 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16929 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16930 continue; 16931 } 16932 Iterator<PreferredActivity> it = pir.filterIterator(); 16933 while (it.hasNext()) { 16934 PreferredActivity pa = it.next(); 16935 // Mark entry for removal only if it matches the package name 16936 // and the entry is of type "always". 16937 if (packageName == null || 16938 (pa.mPref.mComponent.getPackageName().equals(packageName) 16939 && pa.mPref.mAlways)) { 16940 if (removed == null) { 16941 removed = new ArrayList<PreferredActivity>(); 16942 } 16943 removed.add(pa); 16944 } 16945 } 16946 if (removed != null) { 16947 for (int j=0; j<removed.size(); j++) { 16948 PreferredActivity pa = removed.get(j); 16949 pir.removeFilter(pa); 16950 } 16951 changed = true; 16952 } 16953 } 16954 return changed; 16955 } 16956 16957 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16958 private void clearIntentFilterVerificationsLPw(int userId) { 16959 final int packageCount = mPackages.size(); 16960 for (int i = 0; i < packageCount; i++) { 16961 PackageParser.Package pkg = mPackages.valueAt(i); 16962 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16963 } 16964 } 16965 16966 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16967 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16968 if (userId == UserHandle.USER_ALL) { 16969 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16970 sUserManager.getUserIds())) { 16971 for (int oneUserId : sUserManager.getUserIds()) { 16972 scheduleWritePackageRestrictionsLocked(oneUserId); 16973 } 16974 } 16975 } else { 16976 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16977 scheduleWritePackageRestrictionsLocked(userId); 16978 } 16979 } 16980 } 16981 16982 void clearDefaultBrowserIfNeeded(String packageName) { 16983 for (int oneUserId : sUserManager.getUserIds()) { 16984 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16985 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16986 if (packageName.equals(defaultBrowserPackageName)) { 16987 setDefaultBrowserPackageName(null, oneUserId); 16988 } 16989 } 16990 } 16991 16992 @Override 16993 public void resetApplicationPreferences(int userId) { 16994 mContext.enforceCallingOrSelfPermission( 16995 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16996 final long identity = Binder.clearCallingIdentity(); 16997 // writer 16998 try { 16999 synchronized (mPackages) { 17000 clearPackagePreferredActivitiesLPw(null, userId); 17001 mSettings.applyDefaultPreferredAppsLPw(this, userId); 17002 // TODO: We have to reset the default SMS and Phone. This requires 17003 // significant refactoring to keep all default apps in the package 17004 // manager (cleaner but more work) or have the services provide 17005 // callbacks to the package manager to request a default app reset. 17006 applyFactoryDefaultBrowserLPw(userId); 17007 clearIntentFilterVerificationsLPw(userId); 17008 primeDomainVerificationsLPw(userId); 17009 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 17010 scheduleWritePackageRestrictionsLocked(userId); 17011 } 17012 resetNetworkPolicies(userId); 17013 } finally { 17014 Binder.restoreCallingIdentity(identity); 17015 } 17016 } 17017 17018 @Override 17019 public int getPreferredActivities(List<IntentFilter> outFilters, 17020 List<ComponentName> outActivities, String packageName) { 17021 17022 int num = 0; 17023 final int userId = UserHandle.getCallingUserId(); 17024 // reader 17025 synchronized (mPackages) { 17026 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 17027 if (pir != null) { 17028 final Iterator<PreferredActivity> it = pir.filterIterator(); 17029 while (it.hasNext()) { 17030 final PreferredActivity pa = it.next(); 17031 if (packageName == null 17032 || (pa.mPref.mComponent.getPackageName().equals(packageName) 17033 && pa.mPref.mAlways)) { 17034 if (outFilters != null) { 17035 outFilters.add(new IntentFilter(pa)); 17036 } 17037 if (outActivities != null) { 17038 outActivities.add(pa.mPref.mComponent); 17039 } 17040 } 17041 } 17042 } 17043 } 17044 17045 return num; 17046 } 17047 17048 @Override 17049 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 17050 int userId) { 17051 int callingUid = Binder.getCallingUid(); 17052 if (callingUid != Process.SYSTEM_UID) { 17053 throw new SecurityException( 17054 "addPersistentPreferredActivity can only be run by the system"); 17055 } 17056 if (filter.countActions() == 0) { 17057 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 17058 return; 17059 } 17060 synchronized (mPackages) { 17061 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 17062 ":"); 17063 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 17064 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 17065 new PersistentPreferredActivity(filter, activity)); 17066 scheduleWritePackageRestrictionsLocked(userId); 17067 } 17068 } 17069 17070 @Override 17071 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 17072 int callingUid = Binder.getCallingUid(); 17073 if (callingUid != Process.SYSTEM_UID) { 17074 throw new SecurityException( 17075 "clearPackagePersistentPreferredActivities can only be run by the system"); 17076 } 17077 ArrayList<PersistentPreferredActivity> removed = null; 17078 boolean changed = false; 17079 synchronized (mPackages) { 17080 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 17081 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 17082 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 17083 .valueAt(i); 17084 if (userId != thisUserId) { 17085 continue; 17086 } 17087 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 17088 while (it.hasNext()) { 17089 PersistentPreferredActivity ppa = it.next(); 17090 // Mark entry for removal only if it matches the package name. 17091 if (ppa.mComponent.getPackageName().equals(packageName)) { 17092 if (removed == null) { 17093 removed = new ArrayList<PersistentPreferredActivity>(); 17094 } 17095 removed.add(ppa); 17096 } 17097 } 17098 if (removed != null) { 17099 for (int j=0; j<removed.size(); j++) { 17100 PersistentPreferredActivity ppa = removed.get(j); 17101 ppir.removeFilter(ppa); 17102 } 17103 changed = true; 17104 } 17105 } 17106 17107 if (changed) { 17108 scheduleWritePackageRestrictionsLocked(userId); 17109 } 17110 } 17111 } 17112 17113 /** 17114 * Common machinery for picking apart a restored XML blob and passing 17115 * it to a caller-supplied functor to be applied to the running system. 17116 */ 17117 private void restoreFromXml(XmlPullParser parser, int userId, 17118 String expectedStartTag, BlobXmlRestorer functor) 17119 throws IOException, XmlPullParserException { 17120 int type; 17121 while ((type = parser.next()) != XmlPullParser.START_TAG 17122 && type != XmlPullParser.END_DOCUMENT) { 17123 } 17124 if (type != XmlPullParser.START_TAG) { 17125 // oops didn't find a start tag?! 17126 if (DEBUG_BACKUP) { 17127 Slog.e(TAG, "Didn't find start tag during restore"); 17128 } 17129 return; 17130 } 17131Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 17132 // this is supposed to be TAG_PREFERRED_BACKUP 17133 if (!expectedStartTag.equals(parser.getName())) { 17134 if (DEBUG_BACKUP) { 17135 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 17136 } 17137 return; 17138 } 17139 17140 // skip interfering stuff, then we're aligned with the backing implementation 17141 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17142Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17143 functor.apply(parser, userId); 17144 } 17145 17146 private interface BlobXmlRestorer { 17147 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17148 } 17149 17150 /** 17151 * Non-Binder method, support for the backup/restore mechanism: write the 17152 * full set of preferred activities in its canonical XML format. Returns the 17153 * XML output as a byte array, or null if there is none. 17154 */ 17155 @Override 17156 public byte[] getPreferredActivityBackup(int userId) { 17157 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17158 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17159 } 17160 17161 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17162 try { 17163 final XmlSerializer serializer = new FastXmlSerializer(); 17164 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17165 serializer.startDocument(null, true); 17166 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17167 17168 synchronized (mPackages) { 17169 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17170 } 17171 17172 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17173 serializer.endDocument(); 17174 serializer.flush(); 17175 } catch (Exception e) { 17176 if (DEBUG_BACKUP) { 17177 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17178 } 17179 return null; 17180 } 17181 17182 return dataStream.toByteArray(); 17183 } 17184 17185 @Override 17186 public void restorePreferredActivities(byte[] backup, int userId) { 17187 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17188 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17189 } 17190 17191 try { 17192 final XmlPullParser parser = Xml.newPullParser(); 17193 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17194 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17195 new BlobXmlRestorer() { 17196 @Override 17197 public void apply(XmlPullParser parser, int userId) 17198 throws XmlPullParserException, IOException { 17199 synchronized (mPackages) { 17200 mSettings.readPreferredActivitiesLPw(parser, userId); 17201 } 17202 } 17203 } ); 17204 } catch (Exception e) { 17205 if (DEBUG_BACKUP) { 17206 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17207 } 17208 } 17209 } 17210 17211 /** 17212 * Non-Binder method, support for the backup/restore mechanism: write the 17213 * default browser (etc) settings in its canonical XML format. Returns the default 17214 * browser XML representation as a byte array, or null if there is none. 17215 */ 17216 @Override 17217 public byte[] getDefaultAppsBackup(int userId) { 17218 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17219 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17220 } 17221 17222 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17223 try { 17224 final XmlSerializer serializer = new FastXmlSerializer(); 17225 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17226 serializer.startDocument(null, true); 17227 serializer.startTag(null, TAG_DEFAULT_APPS); 17228 17229 synchronized (mPackages) { 17230 mSettings.writeDefaultAppsLPr(serializer, userId); 17231 } 17232 17233 serializer.endTag(null, TAG_DEFAULT_APPS); 17234 serializer.endDocument(); 17235 serializer.flush(); 17236 } catch (Exception e) { 17237 if (DEBUG_BACKUP) { 17238 Slog.e(TAG, "Unable to write default apps for backup", e); 17239 } 17240 return null; 17241 } 17242 17243 return dataStream.toByteArray(); 17244 } 17245 17246 @Override 17247 public void restoreDefaultApps(byte[] backup, int userId) { 17248 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17249 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17250 } 17251 17252 try { 17253 final XmlPullParser parser = Xml.newPullParser(); 17254 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17255 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17256 new BlobXmlRestorer() { 17257 @Override 17258 public void apply(XmlPullParser parser, int userId) 17259 throws XmlPullParserException, IOException { 17260 synchronized (mPackages) { 17261 mSettings.readDefaultAppsLPw(parser, userId); 17262 } 17263 } 17264 } ); 17265 } catch (Exception e) { 17266 if (DEBUG_BACKUP) { 17267 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17268 } 17269 } 17270 } 17271 17272 @Override 17273 public byte[] getIntentFilterVerificationBackup(int userId) { 17274 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17275 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17276 } 17277 17278 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17279 try { 17280 final XmlSerializer serializer = new FastXmlSerializer(); 17281 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17282 serializer.startDocument(null, true); 17283 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17284 17285 synchronized (mPackages) { 17286 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17287 } 17288 17289 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17290 serializer.endDocument(); 17291 serializer.flush(); 17292 } catch (Exception e) { 17293 if (DEBUG_BACKUP) { 17294 Slog.e(TAG, "Unable to write default apps for backup", e); 17295 } 17296 return null; 17297 } 17298 17299 return dataStream.toByteArray(); 17300 } 17301 17302 @Override 17303 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17304 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17305 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17306 } 17307 17308 try { 17309 final XmlPullParser parser = Xml.newPullParser(); 17310 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17311 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17312 new BlobXmlRestorer() { 17313 @Override 17314 public void apply(XmlPullParser parser, int userId) 17315 throws XmlPullParserException, IOException { 17316 synchronized (mPackages) { 17317 mSettings.readAllDomainVerificationsLPr(parser, userId); 17318 mSettings.writeLPr(); 17319 } 17320 } 17321 } ); 17322 } catch (Exception e) { 17323 if (DEBUG_BACKUP) { 17324 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17325 } 17326 } 17327 } 17328 17329 @Override 17330 public byte[] getPermissionGrantBackup(int userId) { 17331 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17332 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17333 } 17334 17335 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17336 try { 17337 final XmlSerializer serializer = new FastXmlSerializer(); 17338 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17339 serializer.startDocument(null, true); 17340 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17341 17342 synchronized (mPackages) { 17343 serializeRuntimePermissionGrantsLPr(serializer, userId); 17344 } 17345 17346 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17347 serializer.endDocument(); 17348 serializer.flush(); 17349 } catch (Exception e) { 17350 if (DEBUG_BACKUP) { 17351 Slog.e(TAG, "Unable to write default apps for backup", e); 17352 } 17353 return null; 17354 } 17355 17356 return dataStream.toByteArray(); 17357 } 17358 17359 @Override 17360 public void restorePermissionGrants(byte[] backup, int userId) { 17361 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17362 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17363 } 17364 17365 try { 17366 final XmlPullParser parser = Xml.newPullParser(); 17367 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17368 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17369 new BlobXmlRestorer() { 17370 @Override 17371 public void apply(XmlPullParser parser, int userId) 17372 throws XmlPullParserException, IOException { 17373 synchronized (mPackages) { 17374 processRestoredPermissionGrantsLPr(parser, userId); 17375 } 17376 } 17377 } ); 17378 } catch (Exception e) { 17379 if (DEBUG_BACKUP) { 17380 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17381 } 17382 } 17383 } 17384 17385 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17386 throws IOException { 17387 serializer.startTag(null, TAG_ALL_GRANTS); 17388 17389 final int N = mSettings.mPackages.size(); 17390 for (int i = 0; i < N; i++) { 17391 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17392 boolean pkgGrantsKnown = false; 17393 17394 PermissionsState packagePerms = ps.getPermissionsState(); 17395 17396 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17397 final int grantFlags = state.getFlags(); 17398 // only look at grants that are not system/policy fixed 17399 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17400 final boolean isGranted = state.isGranted(); 17401 // And only back up the user-twiddled state bits 17402 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17403 final String packageName = mSettings.mPackages.keyAt(i); 17404 if (!pkgGrantsKnown) { 17405 serializer.startTag(null, TAG_GRANT); 17406 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17407 pkgGrantsKnown = true; 17408 } 17409 17410 final boolean userSet = 17411 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17412 final boolean userFixed = 17413 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17414 final boolean revoke = 17415 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17416 17417 serializer.startTag(null, TAG_PERMISSION); 17418 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17419 if (isGranted) { 17420 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17421 } 17422 if (userSet) { 17423 serializer.attribute(null, ATTR_USER_SET, "true"); 17424 } 17425 if (userFixed) { 17426 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17427 } 17428 if (revoke) { 17429 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17430 } 17431 serializer.endTag(null, TAG_PERMISSION); 17432 } 17433 } 17434 } 17435 17436 if (pkgGrantsKnown) { 17437 serializer.endTag(null, TAG_GRANT); 17438 } 17439 } 17440 17441 serializer.endTag(null, TAG_ALL_GRANTS); 17442 } 17443 17444 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17445 throws XmlPullParserException, IOException { 17446 String pkgName = null; 17447 int outerDepth = parser.getDepth(); 17448 int type; 17449 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17450 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17451 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17452 continue; 17453 } 17454 17455 final String tagName = parser.getName(); 17456 if (tagName.equals(TAG_GRANT)) { 17457 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17458 if (DEBUG_BACKUP) { 17459 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17460 } 17461 } else if (tagName.equals(TAG_PERMISSION)) { 17462 17463 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17464 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17465 17466 int newFlagSet = 0; 17467 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17468 newFlagSet |= FLAG_PERMISSION_USER_SET; 17469 } 17470 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17471 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17472 } 17473 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17474 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17475 } 17476 if (DEBUG_BACKUP) { 17477 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17478 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17479 } 17480 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17481 if (ps != null) { 17482 // Already installed so we apply the grant immediately 17483 if (DEBUG_BACKUP) { 17484 Slog.v(TAG, " + already installed; applying"); 17485 } 17486 PermissionsState perms = ps.getPermissionsState(); 17487 BasePermission bp = mSettings.mPermissions.get(permName); 17488 if (bp != null) { 17489 if (isGranted) { 17490 perms.grantRuntimePermission(bp, userId); 17491 } 17492 if (newFlagSet != 0) { 17493 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17494 } 17495 } 17496 } else { 17497 // Need to wait for post-restore install to apply the grant 17498 if (DEBUG_BACKUP) { 17499 Slog.v(TAG, " - not yet installed; saving for later"); 17500 } 17501 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17502 isGranted, newFlagSet, userId); 17503 } 17504 } else { 17505 PackageManagerService.reportSettingsProblem(Log.WARN, 17506 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17507 XmlUtils.skipCurrentTag(parser); 17508 } 17509 } 17510 17511 scheduleWriteSettingsLocked(); 17512 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17513 } 17514 17515 @Override 17516 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17517 int sourceUserId, int targetUserId, int flags) { 17518 mContext.enforceCallingOrSelfPermission( 17519 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17520 int callingUid = Binder.getCallingUid(); 17521 enforceOwnerRights(ownerPackage, callingUid); 17522 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17523 if (intentFilter.countActions() == 0) { 17524 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17525 return; 17526 } 17527 synchronized (mPackages) { 17528 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17529 ownerPackage, targetUserId, flags); 17530 CrossProfileIntentResolver resolver = 17531 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17532 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17533 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17534 if (existing != null) { 17535 int size = existing.size(); 17536 for (int i = 0; i < size; i++) { 17537 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17538 return; 17539 } 17540 } 17541 } 17542 resolver.addFilter(newFilter); 17543 scheduleWritePackageRestrictionsLocked(sourceUserId); 17544 } 17545 } 17546 17547 @Override 17548 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17549 mContext.enforceCallingOrSelfPermission( 17550 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17551 int callingUid = Binder.getCallingUid(); 17552 enforceOwnerRights(ownerPackage, callingUid); 17553 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17554 synchronized (mPackages) { 17555 CrossProfileIntentResolver resolver = 17556 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17557 ArraySet<CrossProfileIntentFilter> set = 17558 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17559 for (CrossProfileIntentFilter filter : set) { 17560 if (filter.getOwnerPackage().equals(ownerPackage)) { 17561 resolver.removeFilter(filter); 17562 } 17563 } 17564 scheduleWritePackageRestrictionsLocked(sourceUserId); 17565 } 17566 } 17567 17568 // Enforcing that callingUid is owning pkg on userId 17569 private void enforceOwnerRights(String pkg, int callingUid) { 17570 // The system owns everything. 17571 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17572 return; 17573 } 17574 int callingUserId = UserHandle.getUserId(callingUid); 17575 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17576 if (pi == null) { 17577 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17578 + callingUserId); 17579 } 17580 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17581 throw new SecurityException("Calling uid " + callingUid 17582 + " does not own package " + pkg); 17583 } 17584 } 17585 17586 @Override 17587 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17588 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17589 } 17590 17591 private Intent getHomeIntent() { 17592 Intent intent = new Intent(Intent.ACTION_MAIN); 17593 intent.addCategory(Intent.CATEGORY_HOME); 17594 return intent; 17595 } 17596 17597 private IntentFilter getHomeFilter() { 17598 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17599 filter.addCategory(Intent.CATEGORY_HOME); 17600 filter.addCategory(Intent.CATEGORY_DEFAULT); 17601 return filter; 17602 } 17603 17604 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17605 int userId) { 17606 Intent intent = getHomeIntent(); 17607 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17608 PackageManager.GET_META_DATA, userId); 17609 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17610 true, false, false, userId); 17611 17612 allHomeCandidates.clear(); 17613 if (list != null) { 17614 for (ResolveInfo ri : list) { 17615 allHomeCandidates.add(ri); 17616 } 17617 } 17618 return (preferred == null || preferred.activityInfo == null) 17619 ? null 17620 : new ComponentName(preferred.activityInfo.packageName, 17621 preferred.activityInfo.name); 17622 } 17623 17624 @Override 17625 public void setHomeActivity(ComponentName comp, int userId) { 17626 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17627 getHomeActivitiesAsUser(homeActivities, userId); 17628 17629 boolean found = false; 17630 17631 final int size = homeActivities.size(); 17632 final ComponentName[] set = new ComponentName[size]; 17633 for (int i = 0; i < size; i++) { 17634 final ResolveInfo candidate = homeActivities.get(i); 17635 final ActivityInfo info = candidate.activityInfo; 17636 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17637 set[i] = activityName; 17638 if (!found && activityName.equals(comp)) { 17639 found = true; 17640 } 17641 } 17642 if (!found) { 17643 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17644 + userId); 17645 } 17646 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17647 set, comp, userId); 17648 } 17649 17650 private @Nullable String getSetupWizardPackageName() { 17651 final Intent intent = new Intent(Intent.ACTION_MAIN); 17652 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17653 17654 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17655 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17656 | MATCH_DISABLED_COMPONENTS, 17657 UserHandle.myUserId()); 17658 if (matches.size() == 1) { 17659 return matches.get(0).getComponentInfo().packageName; 17660 } else { 17661 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17662 + ": matches=" + matches); 17663 return null; 17664 } 17665 } 17666 17667 @Override 17668 public void setApplicationEnabledSetting(String appPackageName, 17669 int newState, int flags, int userId, String callingPackage) { 17670 if (!sUserManager.exists(userId)) return; 17671 if (callingPackage == null) { 17672 callingPackage = Integer.toString(Binder.getCallingUid()); 17673 } 17674 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17675 } 17676 17677 @Override 17678 public void setComponentEnabledSetting(ComponentName componentName, 17679 int newState, int flags, int userId) { 17680 if (!sUserManager.exists(userId)) return; 17681 setEnabledSetting(componentName.getPackageName(), 17682 componentName.getClassName(), newState, flags, userId, null); 17683 } 17684 17685 private void setEnabledSetting(final String packageName, String className, int newState, 17686 final int flags, int userId, String callingPackage) { 17687 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17688 || newState == COMPONENT_ENABLED_STATE_ENABLED 17689 || newState == COMPONENT_ENABLED_STATE_DISABLED 17690 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17691 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17692 throw new IllegalArgumentException("Invalid new component state: " 17693 + newState); 17694 } 17695 PackageSetting pkgSetting; 17696 final int uid = Binder.getCallingUid(); 17697 final int permission; 17698 if (uid == Process.SYSTEM_UID) { 17699 permission = PackageManager.PERMISSION_GRANTED; 17700 } else { 17701 permission = mContext.checkCallingOrSelfPermission( 17702 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17703 } 17704 enforceCrossUserPermission(uid, userId, 17705 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17706 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17707 boolean sendNow = false; 17708 boolean isApp = (className == null); 17709 String componentName = isApp ? packageName : className; 17710 int packageUid = -1; 17711 ArrayList<String> components; 17712 17713 // writer 17714 synchronized (mPackages) { 17715 pkgSetting = mSettings.mPackages.get(packageName); 17716 if (pkgSetting == null) { 17717 if (className == null) { 17718 throw new IllegalArgumentException("Unknown package: " + packageName); 17719 } 17720 throw new IllegalArgumentException( 17721 "Unknown component: " + packageName + "/" + className); 17722 } 17723 } 17724 17725 // Limit who can change which apps 17726 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17727 // Don't allow apps that don't have permission to modify other apps 17728 if (!allowedByPermission) { 17729 throw new SecurityException( 17730 "Permission Denial: attempt to change component state from pid=" 17731 + Binder.getCallingPid() 17732 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17733 } 17734 // Don't allow changing profile and device owners. 17735 if (mProtectedPackages.canPackageStateBeChanged(userId, packageName)) { 17736 throw new SecurityException("Cannot disable a device owner or a profile owner"); 17737 } 17738 } 17739 17740 synchronized (mPackages) { 17741 if (uid == Process.SHELL_UID) { 17742 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17743 int oldState = pkgSetting.getEnabled(userId); 17744 if (className == null 17745 && 17746 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17747 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17748 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17749 && 17750 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17751 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17752 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17753 // ok 17754 } else { 17755 throw new SecurityException( 17756 "Shell cannot change component state for " + packageName + "/" 17757 + className + " to " + newState); 17758 } 17759 } 17760 if (className == null) { 17761 // We're dealing with an application/package level state change 17762 if (pkgSetting.getEnabled(userId) == newState) { 17763 // Nothing to do 17764 return; 17765 } 17766 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17767 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17768 // Don't care about who enables an app. 17769 callingPackage = null; 17770 } 17771 pkgSetting.setEnabled(newState, userId, callingPackage); 17772 // pkgSetting.pkg.mSetEnabled = newState; 17773 } else { 17774 // We're dealing with a component level state change 17775 // First, verify that this is a valid class name. 17776 PackageParser.Package pkg = pkgSetting.pkg; 17777 if (pkg == null || !pkg.hasComponentClassName(className)) { 17778 if (pkg != null && 17779 pkg.applicationInfo.targetSdkVersion >= 17780 Build.VERSION_CODES.JELLY_BEAN) { 17781 throw new IllegalArgumentException("Component class " + className 17782 + " does not exist in " + packageName); 17783 } else { 17784 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17785 + className + " does not exist in " + packageName); 17786 } 17787 } 17788 switch (newState) { 17789 case COMPONENT_ENABLED_STATE_ENABLED: 17790 if (!pkgSetting.enableComponentLPw(className, userId)) { 17791 return; 17792 } 17793 break; 17794 case COMPONENT_ENABLED_STATE_DISABLED: 17795 if (!pkgSetting.disableComponentLPw(className, userId)) { 17796 return; 17797 } 17798 break; 17799 case COMPONENT_ENABLED_STATE_DEFAULT: 17800 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17801 return; 17802 } 17803 break; 17804 default: 17805 Slog.e(TAG, "Invalid new component state: " + newState); 17806 return; 17807 } 17808 } 17809 scheduleWritePackageRestrictionsLocked(userId); 17810 components = mPendingBroadcasts.get(userId, packageName); 17811 final boolean newPackage = components == null; 17812 if (newPackage) { 17813 components = new ArrayList<String>(); 17814 } 17815 if (!components.contains(componentName)) { 17816 components.add(componentName); 17817 } 17818 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17819 sendNow = true; 17820 // Purge entry from pending broadcast list if another one exists already 17821 // since we are sending one right away. 17822 mPendingBroadcasts.remove(userId, packageName); 17823 } else { 17824 if (newPackage) { 17825 mPendingBroadcasts.put(userId, packageName, components); 17826 } 17827 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17828 // Schedule a message 17829 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17830 } 17831 } 17832 } 17833 17834 long callingId = Binder.clearCallingIdentity(); 17835 try { 17836 if (sendNow) { 17837 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17838 sendPackageChangedBroadcast(packageName, 17839 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17840 } 17841 } finally { 17842 Binder.restoreCallingIdentity(callingId); 17843 } 17844 } 17845 17846 @Override 17847 public void flushPackageRestrictionsAsUser(int userId) { 17848 if (!sUserManager.exists(userId)) { 17849 return; 17850 } 17851 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17852 false /* checkShell */, "flushPackageRestrictions"); 17853 synchronized (mPackages) { 17854 mSettings.writePackageRestrictionsLPr(userId); 17855 mDirtyUsers.remove(userId); 17856 if (mDirtyUsers.isEmpty()) { 17857 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17858 } 17859 } 17860 } 17861 17862 private void sendPackageChangedBroadcast(String packageName, 17863 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17864 if (DEBUG_INSTALL) 17865 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17866 + componentNames); 17867 Bundle extras = new Bundle(4); 17868 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17869 String nameList[] = new String[componentNames.size()]; 17870 componentNames.toArray(nameList); 17871 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17872 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17873 extras.putInt(Intent.EXTRA_UID, packageUid); 17874 // If this is not reporting a change of the overall package, then only send it 17875 // to registered receivers. We don't want to launch a swath of apps for every 17876 // little component state change. 17877 final int flags = !componentNames.contains(packageName) 17878 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17879 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17880 new int[] {UserHandle.getUserId(packageUid)}); 17881 } 17882 17883 @Override 17884 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17885 if (!sUserManager.exists(userId)) return; 17886 final int uid = Binder.getCallingUid(); 17887 final int permission = mContext.checkCallingOrSelfPermission( 17888 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17889 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17890 enforceCrossUserPermission(uid, userId, 17891 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17892 // writer 17893 synchronized (mPackages) { 17894 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17895 allowedByPermission, uid, userId)) { 17896 scheduleWritePackageRestrictionsLocked(userId); 17897 } 17898 } 17899 } 17900 17901 @Override 17902 public String getInstallerPackageName(String packageName) { 17903 // reader 17904 synchronized (mPackages) { 17905 return mSettings.getInstallerPackageNameLPr(packageName); 17906 } 17907 } 17908 17909 public boolean isOrphaned(String packageName) { 17910 // reader 17911 synchronized (mPackages) { 17912 return mSettings.isOrphaned(packageName); 17913 } 17914 } 17915 17916 @Override 17917 public int getApplicationEnabledSetting(String packageName, int userId) { 17918 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17919 int uid = Binder.getCallingUid(); 17920 enforceCrossUserPermission(uid, userId, 17921 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17922 // reader 17923 synchronized (mPackages) { 17924 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17925 } 17926 } 17927 17928 @Override 17929 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17930 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17931 int uid = Binder.getCallingUid(); 17932 enforceCrossUserPermission(uid, userId, 17933 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17934 // reader 17935 synchronized (mPackages) { 17936 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17937 } 17938 } 17939 17940 @Override 17941 public void enterSafeMode() { 17942 enforceSystemOrRoot("Only the system can request entering safe mode"); 17943 17944 if (!mSystemReady) { 17945 mSafeMode = true; 17946 } 17947 } 17948 17949 @Override 17950 public void systemReady() { 17951 mSystemReady = true; 17952 17953 // Read the compatibilty setting when the system is ready. 17954 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17955 mContext.getContentResolver(), 17956 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17957 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17958 if (DEBUG_SETTINGS) { 17959 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17960 } 17961 17962 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17963 17964 synchronized (mPackages) { 17965 // Verify that all of the preferred activity components actually 17966 // exist. It is possible for applications to be updated and at 17967 // that point remove a previously declared activity component that 17968 // had been set as a preferred activity. We try to clean this up 17969 // the next time we encounter that preferred activity, but it is 17970 // possible for the user flow to never be able to return to that 17971 // situation so here we do a sanity check to make sure we haven't 17972 // left any junk around. 17973 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17974 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17975 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17976 removed.clear(); 17977 for (PreferredActivity pa : pir.filterSet()) { 17978 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17979 removed.add(pa); 17980 } 17981 } 17982 if (removed.size() > 0) { 17983 for (int r=0; r<removed.size(); r++) { 17984 PreferredActivity pa = removed.get(r); 17985 Slog.w(TAG, "Removing dangling preferred activity: " 17986 + pa.mPref.mComponent); 17987 pir.removeFilter(pa); 17988 } 17989 mSettings.writePackageRestrictionsLPr( 17990 mSettings.mPreferredActivities.keyAt(i)); 17991 } 17992 } 17993 17994 for (int userId : UserManagerService.getInstance().getUserIds()) { 17995 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17996 grantPermissionsUserIds = ArrayUtils.appendInt( 17997 grantPermissionsUserIds, userId); 17998 } 17999 } 18000 } 18001 sUserManager.systemReady(); 18002 18003 // If we upgraded grant all default permissions before kicking off. 18004 for (int userId : grantPermissionsUserIds) { 18005 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 18006 } 18007 18008 // Kick off any messages waiting for system ready 18009 if (mPostSystemReadyMessages != null) { 18010 for (Message msg : mPostSystemReadyMessages) { 18011 msg.sendToTarget(); 18012 } 18013 mPostSystemReadyMessages = null; 18014 } 18015 18016 // Watch for external volumes that come and go over time 18017 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18018 storage.registerListener(mStorageListener); 18019 18020 mInstallerService.systemReady(); 18021 mPackageDexOptimizer.systemReady(); 18022 18023 MountServiceInternal mountServiceInternal = LocalServices.getService( 18024 MountServiceInternal.class); 18025 mountServiceInternal.addExternalStoragePolicy( 18026 new MountServiceInternal.ExternalStorageMountPolicy() { 18027 @Override 18028 public int getMountMode(int uid, String packageName) { 18029 if (Process.isIsolated(uid)) { 18030 return Zygote.MOUNT_EXTERNAL_NONE; 18031 } 18032 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 18033 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18034 } 18035 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18036 return Zygote.MOUNT_EXTERNAL_DEFAULT; 18037 } 18038 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 18039 return Zygote.MOUNT_EXTERNAL_READ; 18040 } 18041 return Zygote.MOUNT_EXTERNAL_WRITE; 18042 } 18043 18044 @Override 18045 public boolean hasExternalStorage(int uid, String packageName) { 18046 return true; 18047 } 18048 }); 18049 18050 // Now that we're mostly running, clean up stale users and apps 18051 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 18052 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 18053 } 18054 18055 @Override 18056 public boolean isSafeMode() { 18057 return mSafeMode; 18058 } 18059 18060 @Override 18061 public boolean hasSystemUidErrors() { 18062 return mHasSystemUidErrors; 18063 } 18064 18065 static String arrayToString(int[] array) { 18066 StringBuffer buf = new StringBuffer(128); 18067 buf.append('['); 18068 if (array != null) { 18069 for (int i=0; i<array.length; i++) { 18070 if (i > 0) buf.append(", "); 18071 buf.append(array[i]); 18072 } 18073 } 18074 buf.append(']'); 18075 return buf.toString(); 18076 } 18077 18078 static class DumpState { 18079 public static final int DUMP_LIBS = 1 << 0; 18080 public static final int DUMP_FEATURES = 1 << 1; 18081 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 18082 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 18083 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 18084 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 18085 public static final int DUMP_PERMISSIONS = 1 << 6; 18086 public static final int DUMP_PACKAGES = 1 << 7; 18087 public static final int DUMP_SHARED_USERS = 1 << 8; 18088 public static final int DUMP_MESSAGES = 1 << 9; 18089 public static final int DUMP_PROVIDERS = 1 << 10; 18090 public static final int DUMP_VERIFIERS = 1 << 11; 18091 public static final int DUMP_PREFERRED = 1 << 12; 18092 public static final int DUMP_PREFERRED_XML = 1 << 13; 18093 public static final int DUMP_KEYSETS = 1 << 14; 18094 public static final int DUMP_VERSION = 1 << 15; 18095 public static final int DUMP_INSTALLS = 1 << 16; 18096 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 18097 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 18098 public static final int DUMP_FROZEN = 1 << 19; 18099 public static final int DUMP_DEXOPT = 1 << 20; 18100 18101 public static final int OPTION_SHOW_FILTERS = 1 << 0; 18102 18103 private int mTypes; 18104 18105 private int mOptions; 18106 18107 private boolean mTitlePrinted; 18108 18109 private SharedUserSetting mSharedUser; 18110 18111 public boolean isDumping(int type) { 18112 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 18113 return true; 18114 } 18115 18116 return (mTypes & type) != 0; 18117 } 18118 18119 public void setDump(int type) { 18120 mTypes |= type; 18121 } 18122 18123 public boolean isOptionEnabled(int option) { 18124 return (mOptions & option) != 0; 18125 } 18126 18127 public void setOptionEnabled(int option) { 18128 mOptions |= option; 18129 } 18130 18131 public boolean onTitlePrinted() { 18132 final boolean printed = mTitlePrinted; 18133 mTitlePrinted = true; 18134 return printed; 18135 } 18136 18137 public boolean getTitlePrinted() { 18138 return mTitlePrinted; 18139 } 18140 18141 public void setTitlePrinted(boolean enabled) { 18142 mTitlePrinted = enabled; 18143 } 18144 18145 public SharedUserSetting getSharedUser() { 18146 return mSharedUser; 18147 } 18148 18149 public void setSharedUser(SharedUserSetting user) { 18150 mSharedUser = user; 18151 } 18152 } 18153 18154 @Override 18155 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18156 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18157 (new PackageManagerShellCommand(this)).exec( 18158 this, in, out, err, args, resultReceiver); 18159 } 18160 18161 @Override 18162 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18163 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18164 != PackageManager.PERMISSION_GRANTED) { 18165 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18166 + Binder.getCallingPid() 18167 + ", uid=" + Binder.getCallingUid() 18168 + " without permission " 18169 + android.Manifest.permission.DUMP); 18170 return; 18171 } 18172 18173 DumpState dumpState = new DumpState(); 18174 boolean fullPreferred = false; 18175 boolean checkin = false; 18176 18177 String packageName = null; 18178 ArraySet<String> permissionNames = null; 18179 18180 int opti = 0; 18181 while (opti < args.length) { 18182 String opt = args[opti]; 18183 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18184 break; 18185 } 18186 opti++; 18187 18188 if ("-a".equals(opt)) { 18189 // Right now we only know how to print all. 18190 } else if ("-h".equals(opt)) { 18191 pw.println("Package manager dump options:"); 18192 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18193 pw.println(" --checkin: dump for a checkin"); 18194 pw.println(" -f: print details of intent filters"); 18195 pw.println(" -h: print this help"); 18196 pw.println(" cmd may be one of:"); 18197 pw.println(" l[ibraries]: list known shared libraries"); 18198 pw.println(" f[eatures]: list device features"); 18199 pw.println(" k[eysets]: print known keysets"); 18200 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18201 pw.println(" perm[issions]: dump permissions"); 18202 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18203 pw.println(" pref[erred]: print preferred package settings"); 18204 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18205 pw.println(" prov[iders]: dump content providers"); 18206 pw.println(" p[ackages]: dump installed packages"); 18207 pw.println(" s[hared-users]: dump shared user IDs"); 18208 pw.println(" m[essages]: print collected runtime messages"); 18209 pw.println(" v[erifiers]: print package verifier info"); 18210 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18211 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18212 pw.println(" version: print database version info"); 18213 pw.println(" write: write current settings now"); 18214 pw.println(" installs: details about install sessions"); 18215 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18216 pw.println(" dexopt: dump dexopt state"); 18217 pw.println(" <package.name>: info about given package"); 18218 return; 18219 } else if ("--checkin".equals(opt)) { 18220 checkin = true; 18221 } else if ("-f".equals(opt)) { 18222 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18223 } else { 18224 pw.println("Unknown argument: " + opt + "; use -h for help"); 18225 } 18226 } 18227 18228 // Is the caller requesting to dump a particular piece of data? 18229 if (opti < args.length) { 18230 String cmd = args[opti]; 18231 opti++; 18232 // Is this a package name? 18233 if ("android".equals(cmd) || cmd.contains(".")) { 18234 packageName = cmd; 18235 // When dumping a single package, we always dump all of its 18236 // filter information since the amount of data will be reasonable. 18237 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18238 } else if ("check-permission".equals(cmd)) { 18239 if (opti >= args.length) { 18240 pw.println("Error: check-permission missing permission argument"); 18241 return; 18242 } 18243 String perm = args[opti]; 18244 opti++; 18245 if (opti >= args.length) { 18246 pw.println("Error: check-permission missing package argument"); 18247 return; 18248 } 18249 String pkg = args[opti]; 18250 opti++; 18251 int user = UserHandle.getUserId(Binder.getCallingUid()); 18252 if (opti < args.length) { 18253 try { 18254 user = Integer.parseInt(args[opti]); 18255 } catch (NumberFormatException e) { 18256 pw.println("Error: check-permission user argument is not a number: " 18257 + args[opti]); 18258 return; 18259 } 18260 } 18261 pw.println(checkPermission(perm, pkg, user)); 18262 return; 18263 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18264 dumpState.setDump(DumpState.DUMP_LIBS); 18265 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18266 dumpState.setDump(DumpState.DUMP_FEATURES); 18267 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18268 if (opti >= args.length) { 18269 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18270 | DumpState.DUMP_SERVICE_RESOLVERS 18271 | DumpState.DUMP_RECEIVER_RESOLVERS 18272 | DumpState.DUMP_CONTENT_RESOLVERS); 18273 } else { 18274 while (opti < args.length) { 18275 String name = args[opti]; 18276 if ("a".equals(name) || "activity".equals(name)) { 18277 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18278 } else if ("s".equals(name) || "service".equals(name)) { 18279 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18280 } else if ("r".equals(name) || "receiver".equals(name)) { 18281 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18282 } else if ("c".equals(name) || "content".equals(name)) { 18283 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18284 } else { 18285 pw.println("Error: unknown resolver table type: " + name); 18286 return; 18287 } 18288 opti++; 18289 } 18290 } 18291 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18292 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18293 } else if ("permission".equals(cmd)) { 18294 if (opti >= args.length) { 18295 pw.println("Error: permission requires permission name"); 18296 return; 18297 } 18298 permissionNames = new ArraySet<>(); 18299 while (opti < args.length) { 18300 permissionNames.add(args[opti]); 18301 opti++; 18302 } 18303 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18304 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18305 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18306 dumpState.setDump(DumpState.DUMP_PREFERRED); 18307 } else if ("preferred-xml".equals(cmd)) { 18308 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18309 if (opti < args.length && "--full".equals(args[opti])) { 18310 fullPreferred = true; 18311 opti++; 18312 } 18313 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18314 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18315 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18316 dumpState.setDump(DumpState.DUMP_PACKAGES); 18317 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18318 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18319 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18320 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18321 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18322 dumpState.setDump(DumpState.DUMP_MESSAGES); 18323 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18324 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18325 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18326 || "intent-filter-verifiers".equals(cmd)) { 18327 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18328 } else if ("version".equals(cmd)) { 18329 dumpState.setDump(DumpState.DUMP_VERSION); 18330 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18331 dumpState.setDump(DumpState.DUMP_KEYSETS); 18332 } else if ("installs".equals(cmd)) { 18333 dumpState.setDump(DumpState.DUMP_INSTALLS); 18334 } else if ("frozen".equals(cmd)) { 18335 dumpState.setDump(DumpState.DUMP_FROZEN); 18336 } else if ("dexopt".equals(cmd)) { 18337 dumpState.setDump(DumpState.DUMP_DEXOPT); 18338 } else if ("write".equals(cmd)) { 18339 synchronized (mPackages) { 18340 mSettings.writeLPr(); 18341 pw.println("Settings written."); 18342 return; 18343 } 18344 } 18345 } 18346 18347 if (checkin) { 18348 pw.println("vers,1"); 18349 } 18350 18351 // reader 18352 synchronized (mPackages) { 18353 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18354 if (!checkin) { 18355 if (dumpState.onTitlePrinted()) 18356 pw.println(); 18357 pw.println("Database versions:"); 18358 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18359 } 18360 } 18361 18362 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18363 if (!checkin) { 18364 if (dumpState.onTitlePrinted()) 18365 pw.println(); 18366 pw.println("Verifiers:"); 18367 pw.print(" Required: "); 18368 pw.print(mRequiredVerifierPackage); 18369 pw.print(" (uid="); 18370 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18371 UserHandle.USER_SYSTEM)); 18372 pw.println(")"); 18373 } else if (mRequiredVerifierPackage != null) { 18374 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18375 pw.print(","); 18376 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18377 UserHandle.USER_SYSTEM)); 18378 } 18379 } 18380 18381 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18382 packageName == null) { 18383 if (mIntentFilterVerifierComponent != null) { 18384 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18385 if (!checkin) { 18386 if (dumpState.onTitlePrinted()) 18387 pw.println(); 18388 pw.println("Intent Filter Verifier:"); 18389 pw.print(" Using: "); 18390 pw.print(verifierPackageName); 18391 pw.print(" (uid="); 18392 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18393 UserHandle.USER_SYSTEM)); 18394 pw.println(")"); 18395 } else if (verifierPackageName != null) { 18396 pw.print("ifv,"); pw.print(verifierPackageName); 18397 pw.print(","); 18398 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18399 UserHandle.USER_SYSTEM)); 18400 } 18401 } else { 18402 pw.println(); 18403 pw.println("No Intent Filter Verifier available!"); 18404 } 18405 } 18406 18407 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18408 boolean printedHeader = false; 18409 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18410 while (it.hasNext()) { 18411 String name = it.next(); 18412 SharedLibraryEntry ent = mSharedLibraries.get(name); 18413 if (!checkin) { 18414 if (!printedHeader) { 18415 if (dumpState.onTitlePrinted()) 18416 pw.println(); 18417 pw.println("Libraries:"); 18418 printedHeader = true; 18419 } 18420 pw.print(" "); 18421 } else { 18422 pw.print("lib,"); 18423 } 18424 pw.print(name); 18425 if (!checkin) { 18426 pw.print(" -> "); 18427 } 18428 if (ent.path != null) { 18429 if (!checkin) { 18430 pw.print("(jar) "); 18431 pw.print(ent.path); 18432 } else { 18433 pw.print(",jar,"); 18434 pw.print(ent.path); 18435 } 18436 } else { 18437 if (!checkin) { 18438 pw.print("(apk) "); 18439 pw.print(ent.apk); 18440 } else { 18441 pw.print(",apk,"); 18442 pw.print(ent.apk); 18443 } 18444 } 18445 pw.println(); 18446 } 18447 } 18448 18449 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18450 if (dumpState.onTitlePrinted()) 18451 pw.println(); 18452 if (!checkin) { 18453 pw.println("Features:"); 18454 } 18455 18456 for (FeatureInfo feat : mAvailableFeatures.values()) { 18457 if (checkin) { 18458 pw.print("feat,"); 18459 pw.print(feat.name); 18460 pw.print(","); 18461 pw.println(feat.version); 18462 } else { 18463 pw.print(" "); 18464 pw.print(feat.name); 18465 if (feat.version > 0) { 18466 pw.print(" version="); 18467 pw.print(feat.version); 18468 } 18469 pw.println(); 18470 } 18471 } 18472 } 18473 18474 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18475 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18476 : "Activity Resolver Table:", " ", packageName, 18477 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18478 dumpState.setTitlePrinted(true); 18479 } 18480 } 18481 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18482 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18483 : "Receiver Resolver Table:", " ", packageName, 18484 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18485 dumpState.setTitlePrinted(true); 18486 } 18487 } 18488 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18489 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18490 : "Service Resolver Table:", " ", packageName, 18491 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18492 dumpState.setTitlePrinted(true); 18493 } 18494 } 18495 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18496 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18497 : "Provider Resolver Table:", " ", packageName, 18498 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18499 dumpState.setTitlePrinted(true); 18500 } 18501 } 18502 18503 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18504 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18505 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18506 int user = mSettings.mPreferredActivities.keyAt(i); 18507 if (pir.dump(pw, 18508 dumpState.getTitlePrinted() 18509 ? "\nPreferred Activities User " + user + ":" 18510 : "Preferred Activities User " + user + ":", " ", 18511 packageName, true, false)) { 18512 dumpState.setTitlePrinted(true); 18513 } 18514 } 18515 } 18516 18517 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18518 pw.flush(); 18519 FileOutputStream fout = new FileOutputStream(fd); 18520 BufferedOutputStream str = new BufferedOutputStream(fout); 18521 XmlSerializer serializer = new FastXmlSerializer(); 18522 try { 18523 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18524 serializer.startDocument(null, true); 18525 serializer.setFeature( 18526 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18527 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18528 serializer.endDocument(); 18529 serializer.flush(); 18530 } catch (IllegalArgumentException e) { 18531 pw.println("Failed writing: " + e); 18532 } catch (IllegalStateException e) { 18533 pw.println("Failed writing: " + e); 18534 } catch (IOException e) { 18535 pw.println("Failed writing: " + e); 18536 } 18537 } 18538 18539 if (!checkin 18540 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18541 && packageName == null) { 18542 pw.println(); 18543 int count = mSettings.mPackages.size(); 18544 if (count == 0) { 18545 pw.println("No applications!"); 18546 pw.println(); 18547 } else { 18548 final String prefix = " "; 18549 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18550 if (allPackageSettings.size() == 0) { 18551 pw.println("No domain preferred apps!"); 18552 pw.println(); 18553 } else { 18554 pw.println("App verification status:"); 18555 pw.println(); 18556 count = 0; 18557 for (PackageSetting ps : allPackageSettings) { 18558 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18559 if (ivi == null || ivi.getPackageName() == null) continue; 18560 pw.println(prefix + "Package: " + ivi.getPackageName()); 18561 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18562 pw.println(prefix + "Status: " + ivi.getStatusString()); 18563 pw.println(); 18564 count++; 18565 } 18566 if (count == 0) { 18567 pw.println(prefix + "No app verification established."); 18568 pw.println(); 18569 } 18570 for (int userId : sUserManager.getUserIds()) { 18571 pw.println("App linkages for user " + userId + ":"); 18572 pw.println(); 18573 count = 0; 18574 for (PackageSetting ps : allPackageSettings) { 18575 final long status = ps.getDomainVerificationStatusForUser(userId); 18576 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18577 continue; 18578 } 18579 pw.println(prefix + "Package: " + ps.name); 18580 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18581 String statusStr = IntentFilterVerificationInfo. 18582 getStatusStringFromValue(status); 18583 pw.println(prefix + "Status: " + statusStr); 18584 pw.println(); 18585 count++; 18586 } 18587 if (count == 0) { 18588 pw.println(prefix + "No configured app linkages."); 18589 pw.println(); 18590 } 18591 } 18592 } 18593 } 18594 } 18595 18596 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18597 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18598 if (packageName == null && permissionNames == null) { 18599 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18600 if (iperm == 0) { 18601 if (dumpState.onTitlePrinted()) 18602 pw.println(); 18603 pw.println("AppOp Permissions:"); 18604 } 18605 pw.print(" AppOp Permission "); 18606 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18607 pw.println(":"); 18608 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18609 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18610 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18611 } 18612 } 18613 } 18614 } 18615 18616 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18617 boolean printedSomething = false; 18618 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18619 if (packageName != null && !packageName.equals(p.info.packageName)) { 18620 continue; 18621 } 18622 if (!printedSomething) { 18623 if (dumpState.onTitlePrinted()) 18624 pw.println(); 18625 pw.println("Registered ContentProviders:"); 18626 printedSomething = true; 18627 } 18628 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18629 pw.print(" "); pw.println(p.toString()); 18630 } 18631 printedSomething = false; 18632 for (Map.Entry<String, PackageParser.Provider> entry : 18633 mProvidersByAuthority.entrySet()) { 18634 PackageParser.Provider p = entry.getValue(); 18635 if (packageName != null && !packageName.equals(p.info.packageName)) { 18636 continue; 18637 } 18638 if (!printedSomething) { 18639 if (dumpState.onTitlePrinted()) 18640 pw.println(); 18641 pw.println("ContentProvider Authorities:"); 18642 printedSomething = true; 18643 } 18644 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18645 pw.print(" "); pw.println(p.toString()); 18646 if (p.info != null && p.info.applicationInfo != null) { 18647 final String appInfo = p.info.applicationInfo.toString(); 18648 pw.print(" applicationInfo="); pw.println(appInfo); 18649 } 18650 } 18651 } 18652 18653 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18654 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18655 } 18656 18657 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18658 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18659 } 18660 18661 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18662 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18663 } 18664 18665 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18666 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18667 } 18668 18669 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18670 // XXX should handle packageName != null by dumping only install data that 18671 // the given package is involved with. 18672 if (dumpState.onTitlePrinted()) pw.println(); 18673 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18674 } 18675 18676 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18677 // XXX should handle packageName != null by dumping only install data that 18678 // the given package is involved with. 18679 if (dumpState.onTitlePrinted()) pw.println(); 18680 18681 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18682 ipw.println(); 18683 ipw.println("Frozen packages:"); 18684 ipw.increaseIndent(); 18685 if (mFrozenPackages.size() == 0) { 18686 ipw.println("(none)"); 18687 } else { 18688 for (int i = 0; i < mFrozenPackages.size(); i++) { 18689 ipw.println(mFrozenPackages.valueAt(i)); 18690 } 18691 } 18692 ipw.decreaseIndent(); 18693 } 18694 18695 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18696 if (dumpState.onTitlePrinted()) pw.println(); 18697 dumpDexoptStateLPr(pw, packageName); 18698 } 18699 18700 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18701 if (dumpState.onTitlePrinted()) pw.println(); 18702 mSettings.dumpReadMessagesLPr(pw, dumpState); 18703 18704 pw.println(); 18705 pw.println("Package warning messages:"); 18706 BufferedReader in = null; 18707 String line = null; 18708 try { 18709 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18710 while ((line = in.readLine()) != null) { 18711 if (line.contains("ignored: updated version")) continue; 18712 pw.println(line); 18713 } 18714 } catch (IOException ignored) { 18715 } finally { 18716 IoUtils.closeQuietly(in); 18717 } 18718 } 18719 18720 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18721 BufferedReader in = null; 18722 String line = null; 18723 try { 18724 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18725 while ((line = in.readLine()) != null) { 18726 if (line.contains("ignored: updated version")) continue; 18727 pw.print("msg,"); 18728 pw.println(line); 18729 } 18730 } catch (IOException ignored) { 18731 } finally { 18732 IoUtils.closeQuietly(in); 18733 } 18734 } 18735 } 18736 } 18737 18738 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18739 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18740 ipw.println(); 18741 ipw.println("Dexopt state:"); 18742 ipw.increaseIndent(); 18743 Collection<PackageParser.Package> packages = null; 18744 if (packageName != null) { 18745 PackageParser.Package targetPackage = mPackages.get(packageName); 18746 if (targetPackage != null) { 18747 packages = Collections.singletonList(targetPackage); 18748 } else { 18749 ipw.println("Unable to find package: " + packageName); 18750 return; 18751 } 18752 } else { 18753 packages = mPackages.values(); 18754 } 18755 18756 for (PackageParser.Package pkg : packages) { 18757 ipw.println("[" + pkg.packageName + "]"); 18758 ipw.increaseIndent(); 18759 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18760 ipw.decreaseIndent(); 18761 } 18762 } 18763 18764 private String dumpDomainString(String packageName) { 18765 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18766 .getList(); 18767 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18768 18769 ArraySet<String> result = new ArraySet<>(); 18770 if (iviList.size() > 0) { 18771 for (IntentFilterVerificationInfo ivi : iviList) { 18772 for (String host : ivi.getDomains()) { 18773 result.add(host); 18774 } 18775 } 18776 } 18777 if (filters != null && filters.size() > 0) { 18778 for (IntentFilter filter : filters) { 18779 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18780 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18781 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18782 result.addAll(filter.getHostsList()); 18783 } 18784 } 18785 } 18786 18787 StringBuilder sb = new StringBuilder(result.size() * 16); 18788 for (String domain : result) { 18789 if (sb.length() > 0) sb.append(" "); 18790 sb.append(domain); 18791 } 18792 return sb.toString(); 18793 } 18794 18795 // ------- apps on sdcard specific code ------- 18796 static final boolean DEBUG_SD_INSTALL = false; 18797 18798 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18799 18800 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18801 18802 private boolean mMediaMounted = false; 18803 18804 static String getEncryptKey() { 18805 try { 18806 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18807 SD_ENCRYPTION_KEYSTORE_NAME); 18808 if (sdEncKey == null) { 18809 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18810 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18811 if (sdEncKey == null) { 18812 Slog.e(TAG, "Failed to create encryption keys"); 18813 return null; 18814 } 18815 } 18816 return sdEncKey; 18817 } catch (NoSuchAlgorithmException nsae) { 18818 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18819 return null; 18820 } catch (IOException ioe) { 18821 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18822 return null; 18823 } 18824 } 18825 18826 /* 18827 * Update media status on PackageManager. 18828 */ 18829 @Override 18830 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18831 int callingUid = Binder.getCallingUid(); 18832 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18833 throw new SecurityException("Media status can only be updated by the system"); 18834 } 18835 // reader; this apparently protects mMediaMounted, but should probably 18836 // be a different lock in that case. 18837 synchronized (mPackages) { 18838 Log.i(TAG, "Updating external media status from " 18839 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18840 + (mediaStatus ? "mounted" : "unmounted")); 18841 if (DEBUG_SD_INSTALL) 18842 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18843 + ", mMediaMounted=" + mMediaMounted); 18844 if (mediaStatus == mMediaMounted) { 18845 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18846 : 0, -1); 18847 mHandler.sendMessage(msg); 18848 return; 18849 } 18850 mMediaMounted = mediaStatus; 18851 } 18852 // Queue up an async operation since the package installation may take a 18853 // little while. 18854 mHandler.post(new Runnable() { 18855 public void run() { 18856 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18857 } 18858 }); 18859 } 18860 18861 /** 18862 * Called by MountService when the initial ASECs to scan are available. 18863 * Should block until all the ASEC containers are finished being scanned. 18864 */ 18865 public void scanAvailableAsecs() { 18866 updateExternalMediaStatusInner(true, false, false); 18867 } 18868 18869 /* 18870 * Collect information of applications on external media, map them against 18871 * existing containers and update information based on current mount status. 18872 * Please note that we always have to report status if reportStatus has been 18873 * set to true especially when unloading packages. 18874 */ 18875 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18876 boolean externalStorage) { 18877 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18878 int[] uidArr = EmptyArray.INT; 18879 18880 final String[] list = PackageHelper.getSecureContainerList(); 18881 if (ArrayUtils.isEmpty(list)) { 18882 Log.i(TAG, "No secure containers found"); 18883 } else { 18884 // Process list of secure containers and categorize them 18885 // as active or stale based on their package internal state. 18886 18887 // reader 18888 synchronized (mPackages) { 18889 for (String cid : list) { 18890 // Leave stages untouched for now; installer service owns them 18891 if (PackageInstallerService.isStageName(cid)) continue; 18892 18893 if (DEBUG_SD_INSTALL) 18894 Log.i(TAG, "Processing container " + cid); 18895 String pkgName = getAsecPackageName(cid); 18896 if (pkgName == null) { 18897 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18898 continue; 18899 } 18900 if (DEBUG_SD_INSTALL) 18901 Log.i(TAG, "Looking for pkg : " + pkgName); 18902 18903 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18904 if (ps == null) { 18905 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18906 continue; 18907 } 18908 18909 /* 18910 * Skip packages that are not external if we're unmounting 18911 * external storage. 18912 */ 18913 if (externalStorage && !isMounted && !isExternal(ps)) { 18914 continue; 18915 } 18916 18917 final AsecInstallArgs args = new AsecInstallArgs(cid, 18918 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18919 // The package status is changed only if the code path 18920 // matches between settings and the container id. 18921 if (ps.codePathString != null 18922 && ps.codePathString.startsWith(args.getCodePath())) { 18923 if (DEBUG_SD_INSTALL) { 18924 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18925 + " at code path: " + ps.codePathString); 18926 } 18927 18928 // We do have a valid package installed on sdcard 18929 processCids.put(args, ps.codePathString); 18930 final int uid = ps.appId; 18931 if (uid != -1) { 18932 uidArr = ArrayUtils.appendInt(uidArr, uid); 18933 } 18934 } else { 18935 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18936 + ps.codePathString); 18937 } 18938 } 18939 } 18940 18941 Arrays.sort(uidArr); 18942 } 18943 18944 // Process packages with valid entries. 18945 if (isMounted) { 18946 if (DEBUG_SD_INSTALL) 18947 Log.i(TAG, "Loading packages"); 18948 loadMediaPackages(processCids, uidArr, externalStorage); 18949 startCleaningPackages(); 18950 mInstallerService.onSecureContainersAvailable(); 18951 } else { 18952 if (DEBUG_SD_INSTALL) 18953 Log.i(TAG, "Unloading packages"); 18954 unloadMediaPackages(processCids, uidArr, reportStatus); 18955 } 18956 } 18957 18958 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18959 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18960 final int size = infos.size(); 18961 final String[] packageNames = new String[size]; 18962 final int[] packageUids = new int[size]; 18963 for (int i = 0; i < size; i++) { 18964 final ApplicationInfo info = infos.get(i); 18965 packageNames[i] = info.packageName; 18966 packageUids[i] = info.uid; 18967 } 18968 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18969 finishedReceiver); 18970 } 18971 18972 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18973 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18974 sendResourcesChangedBroadcast(mediaStatus, replacing, 18975 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18976 } 18977 18978 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18979 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18980 int size = pkgList.length; 18981 if (size > 0) { 18982 // Send broadcasts here 18983 Bundle extras = new Bundle(); 18984 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18985 if (uidArr != null) { 18986 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18987 } 18988 if (replacing) { 18989 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18990 } 18991 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18992 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18993 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18994 } 18995 } 18996 18997 /* 18998 * Look at potentially valid container ids from processCids If package 18999 * information doesn't match the one on record or package scanning fails, 19000 * the cid is added to list of removeCids. We currently don't delete stale 19001 * containers. 19002 */ 19003 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 19004 boolean externalStorage) { 19005 ArrayList<String> pkgList = new ArrayList<String>(); 19006 Set<AsecInstallArgs> keys = processCids.keySet(); 19007 19008 for (AsecInstallArgs args : keys) { 19009 String codePath = processCids.get(args); 19010 if (DEBUG_SD_INSTALL) 19011 Log.i(TAG, "Loading container : " + args.cid); 19012 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 19013 try { 19014 // Make sure there are no container errors first. 19015 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 19016 Slog.e(TAG, "Failed to mount cid : " + args.cid 19017 + " when installing from sdcard"); 19018 continue; 19019 } 19020 // Check code path here. 19021 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 19022 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 19023 + " does not match one in settings " + codePath); 19024 continue; 19025 } 19026 // Parse package 19027 int parseFlags = mDefParseFlags; 19028 if (args.isExternalAsec()) { 19029 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 19030 } 19031 if (args.isFwdLocked()) { 19032 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 19033 } 19034 19035 synchronized (mInstallLock) { 19036 PackageParser.Package pkg = null; 19037 try { 19038 // Sadly we don't know the package name yet to freeze it 19039 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 19040 SCAN_IGNORE_FROZEN, 0, null); 19041 } catch (PackageManagerException e) { 19042 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 19043 } 19044 // Scan the package 19045 if (pkg != null) { 19046 /* 19047 * TODO why is the lock being held? doPostInstall is 19048 * called in other places without the lock. This needs 19049 * to be straightened out. 19050 */ 19051 // writer 19052 synchronized (mPackages) { 19053 retCode = PackageManager.INSTALL_SUCCEEDED; 19054 pkgList.add(pkg.packageName); 19055 // Post process args 19056 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 19057 pkg.applicationInfo.uid); 19058 } 19059 } else { 19060 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 19061 } 19062 } 19063 19064 } finally { 19065 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 19066 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 19067 } 19068 } 19069 } 19070 // writer 19071 synchronized (mPackages) { 19072 // If the platform SDK has changed since the last time we booted, 19073 // we need to re-grant app permission to catch any new ones that 19074 // appear. This is really a hack, and means that apps can in some 19075 // cases get permissions that the user didn't initially explicitly 19076 // allow... it would be nice to have some better way to handle 19077 // this situation. 19078 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 19079 : mSettings.getInternalVersion(); 19080 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 19081 : StorageManager.UUID_PRIVATE_INTERNAL; 19082 19083 int updateFlags = UPDATE_PERMISSIONS_ALL; 19084 if (ver.sdkVersion != mSdkVersion) { 19085 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19086 + mSdkVersion + "; regranting permissions for external"); 19087 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19088 } 19089 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19090 19091 // Yay, everything is now upgraded 19092 ver.forceCurrent(); 19093 19094 // can downgrade to reader 19095 // Persist settings 19096 mSettings.writeLPr(); 19097 } 19098 // Send a broadcast to let everyone know we are done processing 19099 if (pkgList.size() > 0) { 19100 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 19101 } 19102 } 19103 19104 /* 19105 * Utility method to unload a list of specified containers 19106 */ 19107 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 19108 // Just unmount all valid containers. 19109 for (AsecInstallArgs arg : cidArgs) { 19110 synchronized (mInstallLock) { 19111 arg.doPostDeleteLI(false); 19112 } 19113 } 19114 } 19115 19116 /* 19117 * Unload packages mounted on external media. This involves deleting package 19118 * data from internal structures, sending broadcasts about disabled packages, 19119 * gc'ing to free up references, unmounting all secure containers 19120 * corresponding to packages on external media, and posting a 19121 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 19122 * that we always have to post this message if status has been requested no 19123 * matter what. 19124 */ 19125 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 19126 final boolean reportStatus) { 19127 if (DEBUG_SD_INSTALL) 19128 Log.i(TAG, "unloading media packages"); 19129 ArrayList<String> pkgList = new ArrayList<String>(); 19130 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 19131 final Set<AsecInstallArgs> keys = processCids.keySet(); 19132 for (AsecInstallArgs args : keys) { 19133 String pkgName = args.getPackageName(); 19134 if (DEBUG_SD_INSTALL) 19135 Log.i(TAG, "Trying to unload pkg : " + pkgName); 19136 // Delete package internally 19137 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19138 synchronized (mInstallLock) { 19139 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19140 final boolean res; 19141 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19142 "unloadMediaPackages")) { 19143 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19144 null); 19145 } 19146 if (res) { 19147 pkgList.add(pkgName); 19148 } else { 19149 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19150 failedList.add(args); 19151 } 19152 } 19153 } 19154 19155 // reader 19156 synchronized (mPackages) { 19157 // We didn't update the settings after removing each package; 19158 // write them now for all packages. 19159 mSettings.writeLPr(); 19160 } 19161 19162 // We have to absolutely send UPDATED_MEDIA_STATUS only 19163 // after confirming that all the receivers processed the ordered 19164 // broadcast when packages get disabled, force a gc to clean things up. 19165 // and unload all the containers. 19166 if (pkgList.size() > 0) { 19167 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19168 new IIntentReceiver.Stub() { 19169 public void performReceive(Intent intent, int resultCode, String data, 19170 Bundle extras, boolean ordered, boolean sticky, 19171 int sendingUser) throws RemoteException { 19172 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19173 reportStatus ? 1 : 0, 1, keys); 19174 mHandler.sendMessage(msg); 19175 } 19176 }); 19177 } else { 19178 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19179 keys); 19180 mHandler.sendMessage(msg); 19181 } 19182 } 19183 19184 private void loadPrivatePackages(final VolumeInfo vol) { 19185 mHandler.post(new Runnable() { 19186 @Override 19187 public void run() { 19188 loadPrivatePackagesInner(vol); 19189 } 19190 }); 19191 } 19192 19193 private void loadPrivatePackagesInner(VolumeInfo vol) { 19194 final String volumeUuid = vol.fsUuid; 19195 if (TextUtils.isEmpty(volumeUuid)) { 19196 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19197 return; 19198 } 19199 19200 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19201 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19202 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19203 19204 final VersionInfo ver; 19205 final List<PackageSetting> packages; 19206 synchronized (mPackages) { 19207 ver = mSettings.findOrCreateVersion(volumeUuid); 19208 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19209 } 19210 19211 for (PackageSetting ps : packages) { 19212 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19213 synchronized (mInstallLock) { 19214 final PackageParser.Package pkg; 19215 try { 19216 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19217 loaded.add(pkg.applicationInfo); 19218 19219 } catch (PackageManagerException e) { 19220 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19221 } 19222 19223 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19224 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19225 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19226 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19227 } 19228 } 19229 } 19230 19231 // Reconcile app data for all started/unlocked users 19232 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19233 final UserManager um = mContext.getSystemService(UserManager.class); 19234 UserManagerInternal umInternal = getUserManagerInternal(); 19235 for (UserInfo user : um.getUsers()) { 19236 final int flags; 19237 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19238 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19239 } else if (umInternal.isUserRunning(user.id)) { 19240 flags = StorageManager.FLAG_STORAGE_DE; 19241 } else { 19242 continue; 19243 } 19244 19245 try { 19246 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19247 synchronized (mInstallLock) { 19248 reconcileAppsDataLI(volumeUuid, user.id, flags); 19249 } 19250 } catch (IllegalStateException e) { 19251 // Device was probably ejected, and we'll process that event momentarily 19252 Slog.w(TAG, "Failed to prepare storage: " + e); 19253 } 19254 } 19255 19256 synchronized (mPackages) { 19257 int updateFlags = UPDATE_PERMISSIONS_ALL; 19258 if (ver.sdkVersion != mSdkVersion) { 19259 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19260 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19261 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19262 } 19263 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19264 19265 // Yay, everything is now upgraded 19266 ver.forceCurrent(); 19267 19268 mSettings.writeLPr(); 19269 } 19270 19271 for (PackageFreezer freezer : freezers) { 19272 freezer.close(); 19273 } 19274 19275 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19276 sendResourcesChangedBroadcast(true, false, loaded, null); 19277 } 19278 19279 private void unloadPrivatePackages(final VolumeInfo vol) { 19280 mHandler.post(new Runnable() { 19281 @Override 19282 public void run() { 19283 unloadPrivatePackagesInner(vol); 19284 } 19285 }); 19286 } 19287 19288 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19289 final String volumeUuid = vol.fsUuid; 19290 if (TextUtils.isEmpty(volumeUuid)) { 19291 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19292 return; 19293 } 19294 19295 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19296 synchronized (mInstallLock) { 19297 synchronized (mPackages) { 19298 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19299 for (PackageSetting ps : packages) { 19300 if (ps.pkg == null) continue; 19301 19302 final ApplicationInfo info = ps.pkg.applicationInfo; 19303 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19304 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19305 19306 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19307 "unloadPrivatePackagesInner")) { 19308 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19309 false, null)) { 19310 unloaded.add(info); 19311 } else { 19312 Slog.w(TAG, "Failed to unload " + ps.codePath); 19313 } 19314 } 19315 19316 // Try very hard to release any references to this package 19317 // so we don't risk the system server being killed due to 19318 // open FDs 19319 AttributeCache.instance().removePackage(ps.name); 19320 } 19321 19322 mSettings.writeLPr(); 19323 } 19324 } 19325 19326 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19327 sendResourcesChangedBroadcast(false, false, unloaded, null); 19328 19329 // Try very hard to release any references to this path so we don't risk 19330 // the system server being killed due to open FDs 19331 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 19332 19333 for (int i = 0; i < 3; i++) { 19334 System.gc(); 19335 System.runFinalization(); 19336 } 19337 } 19338 19339 /** 19340 * Prepare storage areas for given user on all mounted devices. 19341 */ 19342 void prepareUserData(int userId, int userSerial, int flags) { 19343 synchronized (mInstallLock) { 19344 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19345 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19346 final String volumeUuid = vol.getFsUuid(); 19347 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19348 } 19349 } 19350 } 19351 19352 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19353 boolean allowRecover) { 19354 // Prepare storage and verify that serial numbers are consistent; if 19355 // there's a mismatch we need to destroy to avoid leaking data 19356 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19357 try { 19358 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19359 19360 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19361 UserManagerService.enforceSerialNumber( 19362 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19363 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19364 UserManagerService.enforceSerialNumber( 19365 Environment.getDataSystemDeDirectory(userId), userSerial); 19366 } 19367 } 19368 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19369 UserManagerService.enforceSerialNumber( 19370 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19371 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19372 UserManagerService.enforceSerialNumber( 19373 Environment.getDataSystemCeDirectory(userId), userSerial); 19374 } 19375 } 19376 19377 synchronized (mInstallLock) { 19378 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19379 } 19380 } catch (Exception e) { 19381 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19382 + " because we failed to prepare: " + e); 19383 destroyUserDataLI(volumeUuid, userId, 19384 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19385 19386 if (allowRecover) { 19387 // Try one last time; if we fail again we're really in trouble 19388 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19389 } 19390 } 19391 } 19392 19393 /** 19394 * Destroy storage areas for given user on all mounted devices. 19395 */ 19396 void destroyUserData(int userId, int flags) { 19397 synchronized (mInstallLock) { 19398 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19399 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19400 final String volumeUuid = vol.getFsUuid(); 19401 destroyUserDataLI(volumeUuid, userId, flags); 19402 } 19403 } 19404 } 19405 19406 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19407 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19408 try { 19409 // Clean up app data, profile data, and media data 19410 mInstaller.destroyUserData(volumeUuid, userId, flags); 19411 19412 // Clean up system data 19413 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19414 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19415 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19416 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19417 } 19418 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19419 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19420 } 19421 } 19422 19423 // Data with special labels is now gone, so finish the job 19424 storage.destroyUserStorage(volumeUuid, userId, flags); 19425 19426 } catch (Exception e) { 19427 logCriticalInfo(Log.WARN, 19428 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19429 } 19430 } 19431 19432 /** 19433 * Examine all users present on given mounted volume, and destroy data 19434 * belonging to users that are no longer valid, or whose user ID has been 19435 * recycled. 19436 */ 19437 private void reconcileUsers(String volumeUuid) { 19438 final List<File> files = new ArrayList<>(); 19439 Collections.addAll(files, FileUtils 19440 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19441 Collections.addAll(files, FileUtils 19442 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19443 Collections.addAll(files, FileUtils 19444 .listFilesOrEmpty(Environment.getDataSystemDeDirectory())); 19445 Collections.addAll(files, FileUtils 19446 .listFilesOrEmpty(Environment.getDataSystemCeDirectory())); 19447 for (File file : files) { 19448 if (!file.isDirectory()) continue; 19449 19450 final int userId; 19451 final UserInfo info; 19452 try { 19453 userId = Integer.parseInt(file.getName()); 19454 info = sUserManager.getUserInfo(userId); 19455 } catch (NumberFormatException e) { 19456 Slog.w(TAG, "Invalid user directory " + file); 19457 continue; 19458 } 19459 19460 boolean destroyUser = false; 19461 if (info == null) { 19462 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19463 + " because no matching user was found"); 19464 destroyUser = true; 19465 } else if (!mOnlyCore) { 19466 try { 19467 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19468 } catch (IOException e) { 19469 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19470 + " because we failed to enforce serial number: " + e); 19471 destroyUser = true; 19472 } 19473 } 19474 19475 if (destroyUser) { 19476 synchronized (mInstallLock) { 19477 destroyUserDataLI(volumeUuid, userId, 19478 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19479 } 19480 } 19481 } 19482 } 19483 19484 private void assertPackageKnown(String volumeUuid, String packageName) 19485 throws PackageManagerException { 19486 synchronized (mPackages) { 19487 final PackageSetting ps = mSettings.mPackages.get(packageName); 19488 if (ps == null) { 19489 throw new PackageManagerException("Package " + packageName + " is unknown"); 19490 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19491 throw new PackageManagerException( 19492 "Package " + packageName + " found on unknown volume " + volumeUuid 19493 + "; expected volume " + ps.volumeUuid); 19494 } 19495 } 19496 } 19497 19498 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19499 throws PackageManagerException { 19500 synchronized (mPackages) { 19501 final PackageSetting ps = mSettings.mPackages.get(packageName); 19502 if (ps == null) { 19503 throw new PackageManagerException("Package " + packageName + " is unknown"); 19504 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19505 throw new PackageManagerException( 19506 "Package " + packageName + " found on unknown volume " + volumeUuid 19507 + "; expected volume " + ps.volumeUuid); 19508 } else if (!ps.getInstalled(userId)) { 19509 throw new PackageManagerException( 19510 "Package " + packageName + " not installed for user " + userId); 19511 } 19512 } 19513 } 19514 19515 /** 19516 * Examine all apps present on given mounted volume, and destroy apps that 19517 * aren't expected, either due to uninstallation or reinstallation on 19518 * another volume. 19519 */ 19520 private void reconcileApps(String volumeUuid) { 19521 final File[] files = FileUtils 19522 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19523 for (File file : files) { 19524 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19525 && !PackageInstallerService.isStageName(file.getName()); 19526 if (!isPackage) { 19527 // Ignore entries which are not packages 19528 continue; 19529 } 19530 19531 try { 19532 final PackageLite pkg = PackageParser.parsePackageLite(file, 19533 PackageParser.PARSE_MUST_BE_APK); 19534 assertPackageKnown(volumeUuid, pkg.packageName); 19535 19536 } catch (PackageParserException | PackageManagerException e) { 19537 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19538 synchronized (mInstallLock) { 19539 removeCodePathLI(file); 19540 } 19541 } 19542 } 19543 } 19544 19545 /** 19546 * Reconcile all app data for the given user. 19547 * <p> 19548 * Verifies that directories exist and that ownership and labeling is 19549 * correct for all installed apps on all mounted volumes. 19550 */ 19551 void reconcileAppsData(int userId, int flags) { 19552 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19553 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19554 final String volumeUuid = vol.getFsUuid(); 19555 synchronized (mInstallLock) { 19556 reconcileAppsDataLI(volumeUuid, userId, flags); 19557 } 19558 } 19559 } 19560 19561 /** 19562 * Reconcile all app data on given mounted volume. 19563 * <p> 19564 * Destroys app data that isn't expected, either due to uninstallation or 19565 * reinstallation on another volume. 19566 * <p> 19567 * Verifies that directories exist and that ownership and labeling is 19568 * correct for all installed apps. 19569 */ 19570 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19571 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19572 + Integer.toHexString(flags)); 19573 19574 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19575 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19576 19577 boolean restoreconNeeded = false; 19578 19579 // First look for stale data that doesn't belong, and check if things 19580 // have changed since we did our last restorecon 19581 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19582 if (StorageManager.isFileEncryptedNativeOrEmulated() 19583 && !StorageManager.isUserKeyUnlocked(userId)) { 19584 throw new RuntimeException( 19585 "Yikes, someone asked us to reconcile CE storage while " + userId 19586 + " was still locked; this would have caused massive data loss!"); 19587 } 19588 19589 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19590 19591 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19592 for (File file : files) { 19593 final String packageName = file.getName(); 19594 try { 19595 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19596 } catch (PackageManagerException e) { 19597 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19598 try { 19599 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19600 StorageManager.FLAG_STORAGE_CE, 0); 19601 } catch (InstallerException e2) { 19602 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19603 } 19604 } 19605 } 19606 } 19607 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19608 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19609 19610 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19611 for (File file : files) { 19612 final String packageName = file.getName(); 19613 try { 19614 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19615 } catch (PackageManagerException e) { 19616 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19617 try { 19618 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19619 StorageManager.FLAG_STORAGE_DE, 0); 19620 } catch (InstallerException e2) { 19621 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19622 } 19623 } 19624 } 19625 } 19626 19627 // Ensure that data directories are ready to roll for all packages 19628 // installed for this volume and user 19629 final List<PackageSetting> packages; 19630 synchronized (mPackages) { 19631 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19632 } 19633 int preparedCount = 0; 19634 for (PackageSetting ps : packages) { 19635 final String packageName = ps.name; 19636 if (ps.pkg == null) { 19637 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19638 // TODO: might be due to legacy ASEC apps; we should circle back 19639 // and reconcile again once they're scanned 19640 continue; 19641 } 19642 19643 if (ps.getInstalled(userId)) { 19644 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19645 19646 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19647 // We may have just shuffled around app data directories, so 19648 // prepare them one more time 19649 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19650 } 19651 19652 preparedCount++; 19653 } 19654 } 19655 19656 if (restoreconNeeded) { 19657 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19658 SELinuxMMAC.setRestoreconDone(ceDir); 19659 } 19660 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19661 SELinuxMMAC.setRestoreconDone(deDir); 19662 } 19663 } 19664 19665 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19666 + " packages; restoreconNeeded was " + restoreconNeeded); 19667 } 19668 19669 /** 19670 * Prepare app data for the given app just after it was installed or 19671 * upgraded. This method carefully only touches users that it's installed 19672 * for, and it forces a restorecon to handle any seinfo changes. 19673 * <p> 19674 * Verifies that directories exist and that ownership and labeling is 19675 * correct for all installed apps. If there is an ownership mismatch, it 19676 * will try recovering system apps by wiping data; third-party app data is 19677 * left intact. 19678 * <p> 19679 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19680 */ 19681 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19682 final PackageSetting ps; 19683 synchronized (mPackages) { 19684 ps = mSettings.mPackages.get(pkg.packageName); 19685 mSettings.writeKernelMappingLPr(ps); 19686 } 19687 19688 final UserManager um = mContext.getSystemService(UserManager.class); 19689 UserManagerInternal umInternal = getUserManagerInternal(); 19690 for (UserInfo user : um.getUsers()) { 19691 final int flags; 19692 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19693 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19694 } else if (umInternal.isUserRunning(user.id)) { 19695 flags = StorageManager.FLAG_STORAGE_DE; 19696 } else { 19697 continue; 19698 } 19699 19700 if (ps.getInstalled(user.id)) { 19701 // Whenever an app changes, force a restorecon of its data 19702 // TODO: when user data is locked, mark that we're still dirty 19703 prepareAppDataLIF(pkg, user.id, flags, true); 19704 } 19705 } 19706 } 19707 19708 /** 19709 * Prepare app data for the given app. 19710 * <p> 19711 * Verifies that directories exist and that ownership and labeling is 19712 * correct for all installed apps. If there is an ownership mismatch, this 19713 * will try recovering system apps by wiping data; third-party app data is 19714 * left intact. 19715 */ 19716 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19717 boolean restoreconNeeded) { 19718 if (pkg == null) { 19719 Slog.wtf(TAG, "Package was null!", new Throwable()); 19720 return; 19721 } 19722 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19723 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19724 for (int i = 0; i < childCount; i++) { 19725 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19726 } 19727 } 19728 19729 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19730 boolean restoreconNeeded) { 19731 if (DEBUG_APP_DATA) { 19732 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19733 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19734 } 19735 19736 final String volumeUuid = pkg.volumeUuid; 19737 final String packageName = pkg.packageName; 19738 final ApplicationInfo app = pkg.applicationInfo; 19739 final int appId = UserHandle.getAppId(app.uid); 19740 19741 Preconditions.checkNotNull(app.seinfo); 19742 19743 try { 19744 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19745 appId, app.seinfo, app.targetSdkVersion); 19746 } catch (InstallerException e) { 19747 if (app.isSystemApp()) { 19748 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19749 + ", but trying to recover: " + e); 19750 destroyAppDataLeafLIF(pkg, userId, flags); 19751 try { 19752 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19753 appId, app.seinfo, app.targetSdkVersion); 19754 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19755 } catch (InstallerException e2) { 19756 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19757 } 19758 } else { 19759 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19760 } 19761 } 19762 19763 if (restoreconNeeded) { 19764 try { 19765 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19766 app.seinfo); 19767 } catch (InstallerException e) { 19768 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19769 } 19770 } 19771 19772 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19773 try { 19774 // CE storage is unlocked right now, so read out the inode and 19775 // remember for use later when it's locked 19776 // TODO: mark this structure as dirty so we persist it! 19777 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19778 StorageManager.FLAG_STORAGE_CE); 19779 synchronized (mPackages) { 19780 final PackageSetting ps = mSettings.mPackages.get(packageName); 19781 if (ps != null) { 19782 ps.setCeDataInode(ceDataInode, userId); 19783 } 19784 } 19785 } catch (InstallerException e) { 19786 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19787 } 19788 } 19789 19790 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19791 } 19792 19793 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19794 if (pkg == null) { 19795 Slog.wtf(TAG, "Package was null!", new Throwable()); 19796 return; 19797 } 19798 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19799 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19800 for (int i = 0; i < childCount; i++) { 19801 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19802 } 19803 } 19804 19805 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19806 final String volumeUuid = pkg.volumeUuid; 19807 final String packageName = pkg.packageName; 19808 final ApplicationInfo app = pkg.applicationInfo; 19809 19810 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19811 // Create a native library symlink only if we have native libraries 19812 // and if the native libraries are 32 bit libraries. We do not provide 19813 // this symlink for 64 bit libraries. 19814 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19815 final String nativeLibPath = app.nativeLibraryDir; 19816 try { 19817 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19818 nativeLibPath, userId); 19819 } catch (InstallerException e) { 19820 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19821 } 19822 } 19823 } 19824 } 19825 19826 /** 19827 * For system apps on non-FBE devices, this method migrates any existing 19828 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19829 * requested by the app. 19830 */ 19831 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19832 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19833 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19834 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19835 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19836 try { 19837 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19838 storageTarget); 19839 } catch (InstallerException e) { 19840 logCriticalInfo(Log.WARN, 19841 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19842 } 19843 return true; 19844 } else { 19845 return false; 19846 } 19847 } 19848 19849 public PackageFreezer freezePackage(String packageName, String killReason) { 19850 return new PackageFreezer(packageName, killReason); 19851 } 19852 19853 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19854 String killReason) { 19855 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19856 return new PackageFreezer(); 19857 } else { 19858 return freezePackage(packageName, killReason); 19859 } 19860 } 19861 19862 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19863 String killReason) { 19864 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19865 return new PackageFreezer(); 19866 } else { 19867 return freezePackage(packageName, killReason); 19868 } 19869 } 19870 19871 /** 19872 * Class that freezes and kills the given package upon creation, and 19873 * unfreezes it upon closing. This is typically used when doing surgery on 19874 * app code/data to prevent the app from running while you're working. 19875 */ 19876 private class PackageFreezer implements AutoCloseable { 19877 private final String mPackageName; 19878 private final PackageFreezer[] mChildren; 19879 19880 private final boolean mWeFroze; 19881 19882 private final AtomicBoolean mClosed = new AtomicBoolean(); 19883 private final CloseGuard mCloseGuard = CloseGuard.get(); 19884 19885 /** 19886 * Create and return a stub freezer that doesn't actually do anything, 19887 * typically used when someone requested 19888 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19889 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19890 */ 19891 public PackageFreezer() { 19892 mPackageName = null; 19893 mChildren = null; 19894 mWeFroze = false; 19895 mCloseGuard.open("close"); 19896 } 19897 19898 public PackageFreezer(String packageName, String killReason) { 19899 synchronized (mPackages) { 19900 mPackageName = packageName; 19901 mWeFroze = mFrozenPackages.add(mPackageName); 19902 19903 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19904 if (ps != null) { 19905 killApplication(ps.name, ps.appId, killReason); 19906 } 19907 19908 final PackageParser.Package p = mPackages.get(packageName); 19909 if (p != null && p.childPackages != null) { 19910 final int N = p.childPackages.size(); 19911 mChildren = new PackageFreezer[N]; 19912 for (int i = 0; i < N; i++) { 19913 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19914 killReason); 19915 } 19916 } else { 19917 mChildren = null; 19918 } 19919 } 19920 mCloseGuard.open("close"); 19921 } 19922 19923 @Override 19924 protected void finalize() throws Throwable { 19925 try { 19926 mCloseGuard.warnIfOpen(); 19927 close(); 19928 } finally { 19929 super.finalize(); 19930 } 19931 } 19932 19933 @Override 19934 public void close() { 19935 mCloseGuard.close(); 19936 if (mClosed.compareAndSet(false, true)) { 19937 synchronized (mPackages) { 19938 if (mWeFroze) { 19939 mFrozenPackages.remove(mPackageName); 19940 } 19941 19942 if (mChildren != null) { 19943 for (PackageFreezer freezer : mChildren) { 19944 freezer.close(); 19945 } 19946 } 19947 } 19948 } 19949 } 19950 } 19951 19952 /** 19953 * Verify that given package is currently frozen. 19954 */ 19955 private void checkPackageFrozen(String packageName) { 19956 synchronized (mPackages) { 19957 if (!mFrozenPackages.contains(packageName)) { 19958 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19959 } 19960 } 19961 } 19962 19963 @Override 19964 public int movePackage(final String packageName, final String volumeUuid) { 19965 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19966 19967 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19968 final int moveId = mNextMoveId.getAndIncrement(); 19969 mHandler.post(new Runnable() { 19970 @Override 19971 public void run() { 19972 try { 19973 movePackageInternal(packageName, volumeUuid, moveId, user); 19974 } catch (PackageManagerException e) { 19975 Slog.w(TAG, "Failed to move " + packageName, e); 19976 mMoveCallbacks.notifyStatusChanged(moveId, 19977 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19978 } 19979 } 19980 }); 19981 return moveId; 19982 } 19983 19984 private void movePackageInternal(final String packageName, final String volumeUuid, 19985 final int moveId, UserHandle user) throws PackageManagerException { 19986 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19987 final PackageManager pm = mContext.getPackageManager(); 19988 19989 final boolean currentAsec; 19990 final String currentVolumeUuid; 19991 final File codeFile; 19992 final String installerPackageName; 19993 final String packageAbiOverride; 19994 final int appId; 19995 final String seinfo; 19996 final String label; 19997 final int targetSdkVersion; 19998 final PackageFreezer freezer; 19999 final int[] installedUserIds; 20000 20001 // reader 20002 synchronized (mPackages) { 20003 final PackageParser.Package pkg = mPackages.get(packageName); 20004 final PackageSetting ps = mSettings.mPackages.get(packageName); 20005 if (pkg == null || ps == null) { 20006 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 20007 } 20008 20009 if (pkg.applicationInfo.isSystemApp()) { 20010 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 20011 "Cannot move system application"); 20012 } 20013 20014 if (pkg.applicationInfo.isExternalAsec()) { 20015 currentAsec = true; 20016 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 20017 } else if (pkg.applicationInfo.isForwardLocked()) { 20018 currentAsec = true; 20019 currentVolumeUuid = "forward_locked"; 20020 } else { 20021 currentAsec = false; 20022 currentVolumeUuid = ps.volumeUuid; 20023 20024 final File probe = new File(pkg.codePath); 20025 final File probeOat = new File(probe, "oat"); 20026 if (!probe.isDirectory() || !probeOat.isDirectory()) { 20027 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20028 "Move only supported for modern cluster style installs"); 20029 } 20030 } 20031 20032 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 20033 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20034 "Package already moved to " + volumeUuid); 20035 } 20036 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 20037 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 20038 "Device admin cannot be moved"); 20039 } 20040 20041 if (mFrozenPackages.contains(packageName)) { 20042 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 20043 "Failed to move already frozen package"); 20044 } 20045 20046 codeFile = new File(pkg.codePath); 20047 installerPackageName = ps.installerPackageName; 20048 packageAbiOverride = ps.cpuAbiOverrideString; 20049 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 20050 seinfo = pkg.applicationInfo.seinfo; 20051 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 20052 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 20053 freezer = new PackageFreezer(packageName, "movePackageInternal"); 20054 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 20055 } 20056 20057 final Bundle extras = new Bundle(); 20058 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 20059 extras.putString(Intent.EXTRA_TITLE, label); 20060 mMoveCallbacks.notifyCreated(moveId, extras); 20061 20062 int installFlags; 20063 final boolean moveCompleteApp; 20064 final File measurePath; 20065 20066 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 20067 installFlags = INSTALL_INTERNAL; 20068 moveCompleteApp = !currentAsec; 20069 measurePath = Environment.getDataAppDirectory(volumeUuid); 20070 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 20071 installFlags = INSTALL_EXTERNAL; 20072 moveCompleteApp = false; 20073 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 20074 } else { 20075 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 20076 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 20077 || !volume.isMountedWritable()) { 20078 freezer.close(); 20079 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20080 "Move location not mounted private volume"); 20081 } 20082 20083 Preconditions.checkState(!currentAsec); 20084 20085 installFlags = INSTALL_INTERNAL; 20086 moveCompleteApp = true; 20087 measurePath = Environment.getDataAppDirectory(volumeUuid); 20088 } 20089 20090 final PackageStats stats = new PackageStats(null, -1); 20091 synchronized (mInstaller) { 20092 for (int userId : installedUserIds) { 20093 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 20094 freezer.close(); 20095 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20096 "Failed to measure package size"); 20097 } 20098 } 20099 } 20100 20101 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 20102 + stats.dataSize); 20103 20104 final long startFreeBytes = measurePath.getFreeSpace(); 20105 final long sizeBytes; 20106 if (moveCompleteApp) { 20107 sizeBytes = stats.codeSize + stats.dataSize; 20108 } else { 20109 sizeBytes = stats.codeSize; 20110 } 20111 20112 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 20113 freezer.close(); 20114 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 20115 "Not enough free space to move"); 20116 } 20117 20118 mMoveCallbacks.notifyStatusChanged(moveId, 10); 20119 20120 final CountDownLatch installedLatch = new CountDownLatch(1); 20121 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 20122 @Override 20123 public void onUserActionRequired(Intent intent) throws RemoteException { 20124 throw new IllegalStateException(); 20125 } 20126 20127 @Override 20128 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 20129 Bundle extras) throws RemoteException { 20130 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 20131 + PackageManager.installStatusToString(returnCode, msg)); 20132 20133 installedLatch.countDown(); 20134 freezer.close(); 20135 20136 final int status = PackageManager.installStatusToPublicStatus(returnCode); 20137 switch (status) { 20138 case PackageInstaller.STATUS_SUCCESS: 20139 mMoveCallbacks.notifyStatusChanged(moveId, 20140 PackageManager.MOVE_SUCCEEDED); 20141 break; 20142 case PackageInstaller.STATUS_FAILURE_STORAGE: 20143 mMoveCallbacks.notifyStatusChanged(moveId, 20144 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 20145 break; 20146 default: 20147 mMoveCallbacks.notifyStatusChanged(moveId, 20148 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 20149 break; 20150 } 20151 } 20152 }; 20153 20154 final MoveInfo move; 20155 if (moveCompleteApp) { 20156 // Kick off a thread to report progress estimates 20157 new Thread() { 20158 @Override 20159 public void run() { 20160 while (true) { 20161 try { 20162 if (installedLatch.await(1, TimeUnit.SECONDS)) { 20163 break; 20164 } 20165 } catch (InterruptedException ignored) { 20166 } 20167 20168 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20169 final int progress = 10 + (int) MathUtils.constrain( 20170 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20171 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20172 } 20173 } 20174 }.start(); 20175 20176 final String dataAppName = codeFile.getName(); 20177 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20178 dataAppName, appId, seinfo, targetSdkVersion); 20179 } else { 20180 move = null; 20181 } 20182 20183 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20184 20185 final Message msg = mHandler.obtainMessage(INIT_COPY); 20186 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20187 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20188 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20189 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20190 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20191 msg.obj = params; 20192 20193 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20194 System.identityHashCode(msg.obj)); 20195 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20196 System.identityHashCode(msg.obj)); 20197 20198 mHandler.sendMessage(msg); 20199 } 20200 20201 @Override 20202 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20203 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20204 20205 final int realMoveId = mNextMoveId.getAndIncrement(); 20206 final Bundle extras = new Bundle(); 20207 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20208 mMoveCallbacks.notifyCreated(realMoveId, extras); 20209 20210 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20211 @Override 20212 public void onCreated(int moveId, Bundle extras) { 20213 // Ignored 20214 } 20215 20216 @Override 20217 public void onStatusChanged(int moveId, int status, long estMillis) { 20218 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20219 } 20220 }; 20221 20222 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20223 storage.setPrimaryStorageUuid(volumeUuid, callback); 20224 return realMoveId; 20225 } 20226 20227 @Override 20228 public int getMoveStatus(int moveId) { 20229 mContext.enforceCallingOrSelfPermission( 20230 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20231 return mMoveCallbacks.mLastStatus.get(moveId); 20232 } 20233 20234 @Override 20235 public void registerMoveCallback(IPackageMoveObserver callback) { 20236 mContext.enforceCallingOrSelfPermission( 20237 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20238 mMoveCallbacks.register(callback); 20239 } 20240 20241 @Override 20242 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20243 mContext.enforceCallingOrSelfPermission( 20244 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20245 mMoveCallbacks.unregister(callback); 20246 } 20247 20248 @Override 20249 public boolean setInstallLocation(int loc) { 20250 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20251 null); 20252 if (getInstallLocation() == loc) { 20253 return true; 20254 } 20255 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20256 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20257 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20258 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20259 return true; 20260 } 20261 return false; 20262 } 20263 20264 @Override 20265 public int getInstallLocation() { 20266 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20267 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20268 PackageHelper.APP_INSTALL_AUTO); 20269 } 20270 20271 /** Called by UserManagerService */ 20272 void cleanUpUser(UserManagerService userManager, int userHandle) { 20273 synchronized (mPackages) { 20274 mDirtyUsers.remove(userHandle); 20275 mUserNeedsBadging.delete(userHandle); 20276 mSettings.removeUserLPw(userHandle); 20277 mPendingBroadcasts.remove(userHandle); 20278 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20279 removeUnusedPackagesLPw(userManager, userHandle); 20280 } 20281 } 20282 20283 /** 20284 * We're removing userHandle and would like to remove any downloaded packages 20285 * that are no longer in use by any other user. 20286 * @param userHandle the user being removed 20287 */ 20288 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20289 final boolean DEBUG_CLEAN_APKS = false; 20290 int [] users = userManager.getUserIds(); 20291 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20292 while (psit.hasNext()) { 20293 PackageSetting ps = psit.next(); 20294 if (ps.pkg == null) { 20295 continue; 20296 } 20297 final String packageName = ps.pkg.packageName; 20298 // Skip over if system app 20299 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20300 continue; 20301 } 20302 if (DEBUG_CLEAN_APKS) { 20303 Slog.i(TAG, "Checking package " + packageName); 20304 } 20305 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20306 if (keep) { 20307 if (DEBUG_CLEAN_APKS) { 20308 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20309 } 20310 } else { 20311 for (int i = 0; i < users.length; i++) { 20312 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20313 keep = true; 20314 if (DEBUG_CLEAN_APKS) { 20315 Slog.i(TAG, " Keeping package " + packageName + " for user " 20316 + users[i]); 20317 } 20318 break; 20319 } 20320 } 20321 } 20322 if (!keep) { 20323 if (DEBUG_CLEAN_APKS) { 20324 Slog.i(TAG, " Removing package " + packageName); 20325 } 20326 mHandler.post(new Runnable() { 20327 public void run() { 20328 deletePackageX(packageName, userHandle, 0); 20329 } //end run 20330 }); 20331 } 20332 } 20333 } 20334 20335 /** Called by UserManagerService */ 20336 void createNewUser(int userId) { 20337 synchronized (mInstallLock) { 20338 mSettings.createNewUserLI(this, mInstaller, userId); 20339 } 20340 synchronized (mPackages) { 20341 scheduleWritePackageRestrictionsLocked(userId); 20342 scheduleWritePackageListLocked(userId); 20343 applyFactoryDefaultBrowserLPw(userId); 20344 primeDomainVerificationsLPw(userId); 20345 } 20346 } 20347 20348 void onBeforeUserStartUninitialized(final int userId) { 20349 synchronized (mPackages) { 20350 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20351 return; 20352 } 20353 } 20354 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20355 // If permission review for legacy apps is required, we represent 20356 // dagerous permissions for such apps as always granted runtime 20357 // permissions to keep per user flag state whether review is needed. 20358 // Hence, if a new user is added we have to propagate dangerous 20359 // permission grants for these legacy apps. 20360 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20361 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20362 | UPDATE_PERMISSIONS_REPLACE_ALL); 20363 } 20364 } 20365 20366 @Override 20367 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20368 mContext.enforceCallingOrSelfPermission( 20369 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20370 "Only package verification agents can read the verifier device identity"); 20371 20372 synchronized (mPackages) { 20373 return mSettings.getVerifierDeviceIdentityLPw(); 20374 } 20375 } 20376 20377 @Override 20378 public void setPermissionEnforced(String permission, boolean enforced) { 20379 // TODO: Now that we no longer change GID for storage, this should to away. 20380 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20381 "setPermissionEnforced"); 20382 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20383 synchronized (mPackages) { 20384 if (mSettings.mReadExternalStorageEnforced == null 20385 || mSettings.mReadExternalStorageEnforced != enforced) { 20386 mSettings.mReadExternalStorageEnforced = enforced; 20387 mSettings.writeLPr(); 20388 } 20389 } 20390 // kill any non-foreground processes so we restart them and 20391 // grant/revoke the GID. 20392 final IActivityManager am = ActivityManagerNative.getDefault(); 20393 if (am != null) { 20394 final long token = Binder.clearCallingIdentity(); 20395 try { 20396 am.killProcessesBelowForeground("setPermissionEnforcement"); 20397 } catch (RemoteException e) { 20398 } finally { 20399 Binder.restoreCallingIdentity(token); 20400 } 20401 } 20402 } else { 20403 throw new IllegalArgumentException("No selective enforcement for " + permission); 20404 } 20405 } 20406 20407 @Override 20408 @Deprecated 20409 public boolean isPermissionEnforced(String permission) { 20410 return true; 20411 } 20412 20413 @Override 20414 public boolean isStorageLow() { 20415 final long token = Binder.clearCallingIdentity(); 20416 try { 20417 final DeviceStorageMonitorInternal 20418 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20419 if (dsm != null) { 20420 return dsm.isMemoryLow(); 20421 } else { 20422 return false; 20423 } 20424 } finally { 20425 Binder.restoreCallingIdentity(token); 20426 } 20427 } 20428 20429 @Override 20430 public IPackageInstaller getPackageInstaller() { 20431 return mInstallerService; 20432 } 20433 20434 private boolean userNeedsBadging(int userId) { 20435 int index = mUserNeedsBadging.indexOfKey(userId); 20436 if (index < 0) { 20437 final UserInfo userInfo; 20438 final long token = Binder.clearCallingIdentity(); 20439 try { 20440 userInfo = sUserManager.getUserInfo(userId); 20441 } finally { 20442 Binder.restoreCallingIdentity(token); 20443 } 20444 final boolean b; 20445 if (userInfo != null && userInfo.isManagedProfile()) { 20446 b = true; 20447 } else { 20448 b = false; 20449 } 20450 mUserNeedsBadging.put(userId, b); 20451 return b; 20452 } 20453 return mUserNeedsBadging.valueAt(index); 20454 } 20455 20456 @Override 20457 public KeySet getKeySetByAlias(String packageName, String alias) { 20458 if (packageName == null || alias == null) { 20459 return null; 20460 } 20461 synchronized(mPackages) { 20462 final PackageParser.Package pkg = mPackages.get(packageName); 20463 if (pkg == null) { 20464 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20465 throw new IllegalArgumentException("Unknown package: " + packageName); 20466 } 20467 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20468 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20469 } 20470 } 20471 20472 @Override 20473 public KeySet getSigningKeySet(String packageName) { 20474 if (packageName == null) { 20475 return null; 20476 } 20477 synchronized(mPackages) { 20478 final PackageParser.Package pkg = mPackages.get(packageName); 20479 if (pkg == null) { 20480 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20481 throw new IllegalArgumentException("Unknown package: " + packageName); 20482 } 20483 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20484 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20485 throw new SecurityException("May not access signing KeySet of other apps."); 20486 } 20487 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20488 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20489 } 20490 } 20491 20492 @Override 20493 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20494 if (packageName == null || ks == null) { 20495 return false; 20496 } 20497 synchronized(mPackages) { 20498 final PackageParser.Package pkg = mPackages.get(packageName); 20499 if (pkg == null) { 20500 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20501 throw new IllegalArgumentException("Unknown package: " + packageName); 20502 } 20503 IBinder ksh = ks.getToken(); 20504 if (ksh instanceof KeySetHandle) { 20505 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20506 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20507 } 20508 return false; 20509 } 20510 } 20511 20512 @Override 20513 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20514 if (packageName == null || ks == null) { 20515 return false; 20516 } 20517 synchronized(mPackages) { 20518 final PackageParser.Package pkg = mPackages.get(packageName); 20519 if (pkg == null) { 20520 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20521 throw new IllegalArgumentException("Unknown package: " + packageName); 20522 } 20523 IBinder ksh = ks.getToken(); 20524 if (ksh instanceof KeySetHandle) { 20525 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20526 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20527 } 20528 return false; 20529 } 20530 } 20531 20532 private void deletePackageIfUnusedLPr(final String packageName) { 20533 PackageSetting ps = mSettings.mPackages.get(packageName); 20534 if (ps == null) { 20535 return; 20536 } 20537 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20538 // TODO Implement atomic delete if package is unused 20539 // It is currently possible that the package will be deleted even if it is installed 20540 // after this method returns. 20541 mHandler.post(new Runnable() { 20542 public void run() { 20543 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20544 } 20545 }); 20546 } 20547 } 20548 20549 /** 20550 * Check and throw if the given before/after packages would be considered a 20551 * downgrade. 20552 */ 20553 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20554 throws PackageManagerException { 20555 if (after.versionCode < before.mVersionCode) { 20556 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20557 "Update version code " + after.versionCode + " is older than current " 20558 + before.mVersionCode); 20559 } else if (after.versionCode == before.mVersionCode) { 20560 if (after.baseRevisionCode < before.baseRevisionCode) { 20561 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20562 "Update base revision code " + after.baseRevisionCode 20563 + " is older than current " + before.baseRevisionCode); 20564 } 20565 20566 if (!ArrayUtils.isEmpty(after.splitNames)) { 20567 for (int i = 0; i < after.splitNames.length; i++) { 20568 final String splitName = after.splitNames[i]; 20569 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20570 if (j != -1) { 20571 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20572 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20573 "Update split " + splitName + " revision code " 20574 + after.splitRevisionCodes[i] + " is older than current " 20575 + before.splitRevisionCodes[j]); 20576 } 20577 } 20578 } 20579 } 20580 } 20581 } 20582 20583 private static class MoveCallbacks extends Handler { 20584 private static final int MSG_CREATED = 1; 20585 private static final int MSG_STATUS_CHANGED = 2; 20586 20587 private final RemoteCallbackList<IPackageMoveObserver> 20588 mCallbacks = new RemoteCallbackList<>(); 20589 20590 private final SparseIntArray mLastStatus = new SparseIntArray(); 20591 20592 public MoveCallbacks(Looper looper) { 20593 super(looper); 20594 } 20595 20596 public void register(IPackageMoveObserver callback) { 20597 mCallbacks.register(callback); 20598 } 20599 20600 public void unregister(IPackageMoveObserver callback) { 20601 mCallbacks.unregister(callback); 20602 } 20603 20604 @Override 20605 public void handleMessage(Message msg) { 20606 final SomeArgs args = (SomeArgs) msg.obj; 20607 final int n = mCallbacks.beginBroadcast(); 20608 for (int i = 0; i < n; i++) { 20609 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20610 try { 20611 invokeCallback(callback, msg.what, args); 20612 } catch (RemoteException ignored) { 20613 } 20614 } 20615 mCallbacks.finishBroadcast(); 20616 args.recycle(); 20617 } 20618 20619 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20620 throws RemoteException { 20621 switch (what) { 20622 case MSG_CREATED: { 20623 callback.onCreated(args.argi1, (Bundle) args.arg2); 20624 break; 20625 } 20626 case MSG_STATUS_CHANGED: { 20627 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20628 break; 20629 } 20630 } 20631 } 20632 20633 private void notifyCreated(int moveId, Bundle extras) { 20634 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20635 20636 final SomeArgs args = SomeArgs.obtain(); 20637 args.argi1 = moveId; 20638 args.arg2 = extras; 20639 obtainMessage(MSG_CREATED, args).sendToTarget(); 20640 } 20641 20642 private void notifyStatusChanged(int moveId, int status) { 20643 notifyStatusChanged(moveId, status, -1); 20644 } 20645 20646 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20647 Slog.v(TAG, "Move " + moveId + " status " + status); 20648 20649 final SomeArgs args = SomeArgs.obtain(); 20650 args.argi1 = moveId; 20651 args.argi2 = status; 20652 args.arg3 = estMillis; 20653 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20654 20655 synchronized (mLastStatus) { 20656 mLastStatus.put(moveId, status); 20657 } 20658 } 20659 } 20660 20661 private final static class OnPermissionChangeListeners extends Handler { 20662 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20663 20664 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20665 new RemoteCallbackList<>(); 20666 20667 public OnPermissionChangeListeners(Looper looper) { 20668 super(looper); 20669 } 20670 20671 @Override 20672 public void handleMessage(Message msg) { 20673 switch (msg.what) { 20674 case MSG_ON_PERMISSIONS_CHANGED: { 20675 final int uid = msg.arg1; 20676 handleOnPermissionsChanged(uid); 20677 } break; 20678 } 20679 } 20680 20681 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20682 mPermissionListeners.register(listener); 20683 20684 } 20685 20686 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20687 mPermissionListeners.unregister(listener); 20688 } 20689 20690 public void onPermissionsChanged(int uid) { 20691 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20692 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20693 } 20694 } 20695 20696 private void handleOnPermissionsChanged(int uid) { 20697 final int count = mPermissionListeners.beginBroadcast(); 20698 try { 20699 for (int i = 0; i < count; i++) { 20700 IOnPermissionsChangeListener callback = mPermissionListeners 20701 .getBroadcastItem(i); 20702 try { 20703 callback.onPermissionsChanged(uid); 20704 } catch (RemoteException e) { 20705 Log.e(TAG, "Permission listener is dead", e); 20706 } 20707 } 20708 } finally { 20709 mPermissionListeners.finishBroadcast(); 20710 } 20711 } 20712 } 20713 20714 private class PackageManagerInternalImpl extends PackageManagerInternal { 20715 @Override 20716 public void setLocationPackagesProvider(PackagesProvider provider) { 20717 synchronized (mPackages) { 20718 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20719 } 20720 } 20721 20722 @Override 20723 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20724 synchronized (mPackages) { 20725 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20726 } 20727 } 20728 20729 @Override 20730 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20731 synchronized (mPackages) { 20732 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20733 } 20734 } 20735 20736 @Override 20737 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20738 synchronized (mPackages) { 20739 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20740 } 20741 } 20742 20743 @Override 20744 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20745 synchronized (mPackages) { 20746 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20747 } 20748 } 20749 20750 @Override 20751 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20752 synchronized (mPackages) { 20753 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20754 } 20755 } 20756 20757 @Override 20758 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20759 synchronized (mPackages) { 20760 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20761 packageName, userId); 20762 } 20763 } 20764 20765 @Override 20766 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20767 synchronized (mPackages) { 20768 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20769 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20770 packageName, userId); 20771 } 20772 } 20773 20774 @Override 20775 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20776 synchronized (mPackages) { 20777 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20778 packageName, userId); 20779 } 20780 } 20781 20782 @Override 20783 public void setKeepUninstalledPackages(final List<String> packageList) { 20784 Preconditions.checkNotNull(packageList); 20785 List<String> removedFromList = null; 20786 synchronized (mPackages) { 20787 if (mKeepUninstalledPackages != null) { 20788 final int packagesCount = mKeepUninstalledPackages.size(); 20789 for (int i = 0; i < packagesCount; i++) { 20790 String oldPackage = mKeepUninstalledPackages.get(i); 20791 if (packageList != null && packageList.contains(oldPackage)) { 20792 continue; 20793 } 20794 if (removedFromList == null) { 20795 removedFromList = new ArrayList<>(); 20796 } 20797 removedFromList.add(oldPackage); 20798 } 20799 } 20800 mKeepUninstalledPackages = new ArrayList<>(packageList); 20801 if (removedFromList != null) { 20802 final int removedCount = removedFromList.size(); 20803 for (int i = 0; i < removedCount; i++) { 20804 deletePackageIfUnusedLPr(removedFromList.get(i)); 20805 } 20806 } 20807 } 20808 } 20809 20810 @Override 20811 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20812 synchronized (mPackages) { 20813 // If we do not support permission review, done. 20814 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20815 return false; 20816 } 20817 20818 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20819 if (packageSetting == null) { 20820 return false; 20821 } 20822 20823 // Permission review applies only to apps not supporting the new permission model. 20824 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20825 return false; 20826 } 20827 20828 // Legacy apps have the permission and get user consent on launch. 20829 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20830 return permissionsState.isPermissionReviewRequired(userId); 20831 } 20832 } 20833 20834 @Override 20835 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20836 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20837 } 20838 20839 @Override 20840 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20841 int userId) { 20842 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20843 } 20844 20845 @Override 20846 public void setDeviceAndProfileOwnerPackages( 20847 int deviceOwnerUserId, String deviceOwnerPackage, 20848 SparseArray<String> profileOwnerPackages) { 20849 mProtectedPackages.setDeviceAndProfileOwnerPackages( 20850 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 20851 } 20852 20853 @Override 20854 public boolean canPackageBeWiped(int userId, String packageName) { 20855 return mProtectedPackages.canPackageBeWiped(userId, 20856 packageName); 20857 } 20858 } 20859 20860 @Override 20861 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20862 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20863 synchronized (mPackages) { 20864 final long identity = Binder.clearCallingIdentity(); 20865 try { 20866 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20867 packageNames, userId); 20868 } finally { 20869 Binder.restoreCallingIdentity(identity); 20870 } 20871 } 20872 } 20873 20874 private static void enforceSystemOrPhoneCaller(String tag) { 20875 int callingUid = Binder.getCallingUid(); 20876 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20877 throw new SecurityException( 20878 "Cannot call " + tag + " from UID " + callingUid); 20879 } 20880 } 20881 20882 boolean isHistoricalPackageUsageAvailable() { 20883 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20884 } 20885 20886 /** 20887 * Return a <b>copy</b> of the collection of packages known to the package manager. 20888 * @return A copy of the values of mPackages. 20889 */ 20890 Collection<PackageParser.Package> getPackages() { 20891 synchronized (mPackages) { 20892 return new ArrayList<>(mPackages.values()); 20893 } 20894 } 20895 20896 /** 20897 * Logs process start information (including base APK hash) to the security log. 20898 * @hide 20899 */ 20900 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20901 String apkFile, int pid) { 20902 if (!SecurityLog.isLoggingEnabled()) { 20903 return; 20904 } 20905 Bundle data = new Bundle(); 20906 data.putLong("startTimestamp", System.currentTimeMillis()); 20907 data.putString("processName", processName); 20908 data.putInt("uid", uid); 20909 data.putString("seinfo", seinfo); 20910 data.putString("apkFile", apkFile); 20911 data.putInt("pid", pid); 20912 Message msg = mProcessLoggingHandler.obtainMessage( 20913 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20914 msg.setData(data); 20915 mProcessLoggingHandler.sendMessage(msg); 20916 } 20917} 20918