PackageManagerService.java revision ce18c8167766f92856f94a8e88e19de4698960e6
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.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.admin.DevicePolicyManagerInternal; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.Context; 115import android.content.IIntentReceiver; 116import android.content.Intent; 117import android.content.IntentFilter; 118import android.content.IntentSender; 119import android.content.IntentSender.SendIntentException; 120import android.content.ServiceConnection; 121import android.content.pm.ActivityInfo; 122import android.content.pm.ApplicationInfo; 123import android.content.pm.AppsQueryHelper; 124import android.content.pm.ComponentInfo; 125import android.content.pm.EphemeralApplicationInfo; 126import android.content.pm.EphemeralResolveInfo; 127import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 128import android.content.pm.FeatureInfo; 129import android.content.pm.IOnPermissionsChangeListener; 130import android.content.pm.IPackageDataObserver; 131import android.content.pm.IPackageDeleteObserver; 132import android.content.pm.IPackageDeleteObserver2; 133import android.content.pm.IPackageInstallObserver2; 134import android.content.pm.IPackageInstaller; 135import android.content.pm.IPackageManager; 136import android.content.pm.IPackageMoveObserver; 137import android.content.pm.IPackageStatsObserver; 138import android.content.pm.InstrumentationInfo; 139import android.content.pm.IntentFilterVerificationInfo; 140import android.content.pm.KeySet; 141import android.content.pm.PackageCleanItem; 142import android.content.pm.PackageInfo; 143import android.content.pm.PackageInfoLite; 144import android.content.pm.PackageInstaller; 145import android.content.pm.PackageManager; 146import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 147import android.content.pm.PackageManagerInternal; 148import android.content.pm.PackageParser; 149import android.content.pm.PackageParser.ActivityIntentInfo; 150import android.content.pm.PackageParser.PackageLite; 151import android.content.pm.PackageParser.PackageParserException; 152import android.content.pm.PackageStats; 153import android.content.pm.PackageUserState; 154import android.content.pm.ParceledListSlice; 155import android.content.pm.PermissionGroupInfo; 156import android.content.pm.PermissionInfo; 157import android.content.pm.ProviderInfo; 158import android.content.pm.ResolveInfo; 159import android.content.pm.ServiceInfo; 160import android.content.pm.Signature; 161import android.content.pm.UserInfo; 162import android.content.pm.VerifierDeviceIdentity; 163import android.content.pm.VerifierInfo; 164import android.content.res.Resources; 165import android.graphics.Bitmap; 166import android.hardware.display.DisplayManager; 167import android.net.Uri; 168import android.os.Binder; 169import android.os.Build; 170import android.os.Bundle; 171import android.os.Debug; 172import android.os.Environment; 173import android.os.Environment.UserEnvironment; 174import android.os.FileUtils; 175import android.os.Handler; 176import android.os.IBinder; 177import android.os.Looper; 178import android.os.Message; 179import android.os.Parcel; 180import android.os.ParcelFileDescriptor; 181import android.os.Process; 182import android.os.RemoteCallbackList; 183import android.os.RemoteException; 184import android.os.ResultReceiver; 185import android.os.SELinux; 186import android.os.ServiceManager; 187import android.os.SystemClock; 188import android.os.SystemProperties; 189import android.os.Trace; 190import android.os.UserHandle; 191import android.os.UserManager; 192import android.os.storage.IMountService; 193import android.os.storage.MountServiceInternal; 194import android.os.storage.StorageEventListener; 195import android.os.storage.StorageManager; 196import android.os.storage.VolumeInfo; 197import android.os.storage.VolumeRecord; 198import android.security.KeyStore; 199import android.security.SystemKeyStore; 200import android.system.ErrnoException; 201import android.system.Os; 202import android.text.TextUtils; 203import android.text.format.DateUtils; 204import android.util.ArrayMap; 205import android.util.ArraySet; 206import android.util.AtomicFile; 207import android.util.DisplayMetrics; 208import android.util.EventLog; 209import android.util.ExceptionUtils; 210import android.util.Log; 211import android.util.LogPrinter; 212import android.util.MathUtils; 213import android.util.PrintStreamPrinter; 214import android.util.Slog; 215import android.util.SparseArray; 216import android.util.SparseBooleanArray; 217import android.util.SparseIntArray; 218import android.util.Xml; 219import android.util.jar.StrictJarFile; 220import android.view.Display; 221 222import com.android.internal.R; 223import com.android.internal.annotations.GuardedBy; 224import com.android.internal.app.IMediaContainerService; 225import com.android.internal.app.ResolverActivity; 226import com.android.internal.content.NativeLibraryHelper; 227import com.android.internal.content.PackageHelper; 228import com.android.internal.os.IParcelFileDescriptorFactory; 229import com.android.internal.os.InstallerConnection.InstallerException; 230import com.android.internal.os.SomeArgs; 231import com.android.internal.os.Zygote; 232import com.android.internal.telephony.CarrierAppUtils; 233import com.android.internal.util.ArrayUtils; 234import com.android.internal.util.FastPrintWriter; 235import com.android.internal.util.FastXmlSerializer; 236import com.android.internal.util.IndentingPrintWriter; 237import com.android.internal.util.Preconditions; 238import com.android.internal.util.XmlUtils; 239import com.android.server.EventLogTags; 240import com.android.server.FgThread; 241import com.android.server.IntentResolver; 242import com.android.server.LocalServices; 243import com.android.server.ServiceThread; 244import com.android.server.SystemConfig; 245import com.android.server.Watchdog; 246import com.android.server.pm.PermissionsState.PermissionState; 247import com.android.server.pm.Settings.DatabaseVersion; 248import com.android.server.pm.Settings.VersionInfo; 249import com.android.server.storage.DeviceStorageMonitorInternal; 250 251import dalvik.system.CloseGuard; 252import dalvik.system.DexFile; 253import dalvik.system.VMRuntime; 254 255import libcore.io.IoUtils; 256import libcore.util.EmptyArray; 257 258import org.xmlpull.v1.XmlPullParser; 259import org.xmlpull.v1.XmlPullParserException; 260import org.xmlpull.v1.XmlSerializer; 261 262import java.io.BufferedInputStream; 263import java.io.BufferedOutputStream; 264import java.io.BufferedReader; 265import java.io.ByteArrayInputStream; 266import java.io.ByteArrayOutputStream; 267import java.io.File; 268import java.io.FileDescriptor; 269import java.io.FileNotFoundException; 270import java.io.FileOutputStream; 271import java.io.FileReader; 272import java.io.FilenameFilter; 273import java.io.IOException; 274import java.io.InputStream; 275import java.io.PrintWriter; 276import java.nio.charset.StandardCharsets; 277import java.security.MessageDigest; 278import java.security.NoSuchAlgorithmException; 279import java.security.PublicKey; 280import java.security.cert.Certificate; 281import java.security.cert.CertificateEncodingException; 282import java.security.cert.CertificateException; 283import java.text.SimpleDateFormat; 284import java.util.ArrayList; 285import java.util.Arrays; 286import java.util.Collection; 287import java.util.Collections; 288import java.util.Comparator; 289import java.util.Date; 290import java.util.HashSet; 291import java.util.Iterator; 292import java.util.List; 293import java.util.Map; 294import java.util.Objects; 295import java.util.Set; 296import java.util.concurrent.CountDownLatch; 297import java.util.concurrent.TimeUnit; 298import java.util.concurrent.atomic.AtomicBoolean; 299import java.util.concurrent.atomic.AtomicInteger; 300import java.util.concurrent.atomic.AtomicLong; 301 302/** 303 * Keep track of all those APKs everywhere. 304 * <p> 305 * Internally there are two important locks: 306 * <ul> 307 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 308 * and other related state. It is a fine-grained lock that should only be held 309 * momentarily, as it's one of the most contended locks in the system. 310 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 311 * operations typically involve heavy lifting of application data on disk. Since 312 * {@code installd} is single-threaded, and it's operations can often be slow, 313 * this lock should never be acquired while already holding {@link #mPackages}. 314 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 315 * holding {@link #mInstallLock}. 316 * </ul> 317 * Many internal methods rely on the caller to hold the appropriate locks, and 318 * this contract is expressed through method name suffixes: 319 * <ul> 320 * <li>fooLI(): the caller must hold {@link #mInstallLock} 321 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 322 * being modified must be frozen 323 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 324 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 325 * </ul> 326 * <p> 327 * Because this class is very central to the platform's security; please run all 328 * CTS and unit tests whenever making modifications: 329 * 330 * <pre> 331 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 332 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 333 * </pre> 334 */ 335public class PackageManagerService extends IPackageManager.Stub { 336 static final String TAG = "PackageManager"; 337 static final boolean DEBUG_SETTINGS = false; 338 static final boolean DEBUG_PREFERRED = false; 339 static final boolean DEBUG_UPGRADE = false; 340 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 341 private static final boolean DEBUG_BACKUP = false; 342 private static final boolean DEBUG_INSTALL = false; 343 private static final boolean DEBUG_REMOVE = false; 344 private static final boolean DEBUG_BROADCASTS = false; 345 private static final boolean DEBUG_SHOW_INFO = false; 346 private static final boolean DEBUG_PACKAGE_INFO = false; 347 private static final boolean DEBUG_INTENT_MATCHING = false; 348 private static final boolean DEBUG_PACKAGE_SCANNING = false; 349 private static final boolean DEBUG_VERIFY = false; 350 private static final boolean DEBUG_FILTERS = false; 351 352 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 353 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 354 // user, but by default initialize to this. 355 static final boolean DEBUG_DEXOPT = false; 356 357 private static final boolean DEBUG_ABI_SELECTION = false; 358 private static final boolean DEBUG_EPHEMERAL = false; 359 private static final boolean DEBUG_TRIAGED_MISSING = false; 360 private static final boolean DEBUG_APP_DATA = false; 361 362 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 363 364 private static final boolean DISABLE_EPHEMERAL_APPS = true; 365 366 private static final int RADIO_UID = Process.PHONE_UID; 367 private static final int LOG_UID = Process.LOG_UID; 368 private static final int NFC_UID = Process.NFC_UID; 369 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 370 private static final int SHELL_UID = Process.SHELL_UID; 371 372 // Cap the size of permission trees that 3rd party apps can define 373 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 374 375 // Suffix used during package installation when copying/moving 376 // package apks to install directory. 377 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 378 379 static final int SCAN_NO_DEX = 1<<1; 380 static final int SCAN_FORCE_DEX = 1<<2; 381 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 382 static final int SCAN_NEW_INSTALL = 1<<4; 383 static final int SCAN_NO_PATHS = 1<<5; 384 static final int SCAN_UPDATE_TIME = 1<<6; 385 static final int SCAN_DEFER_DEX = 1<<7; 386 static final int SCAN_BOOTING = 1<<8; 387 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 388 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 389 static final int SCAN_REPLACING = 1<<11; 390 static final int SCAN_REQUIRE_KNOWN = 1<<12; 391 static final int SCAN_MOVE = 1<<13; 392 static final int SCAN_INITIAL = 1<<14; 393 static final int SCAN_CHECK_ONLY = 1<<15; 394 static final int SCAN_DONT_KILL_APP = 1<<17; 395 static final int SCAN_IGNORE_FROZEN = 1<<18; 396 397 static final int REMOVE_CHATTY = 1<<16; 398 399 private static final int[] EMPTY_INT_ARRAY = new int[0]; 400 401 /** 402 * Timeout (in milliseconds) after which the watchdog should declare that 403 * our handler thread is wedged. The usual default for such things is one 404 * minute but we sometimes do very lengthy I/O operations on this thread, 405 * such as installing multi-gigabyte applications, so ours needs to be longer. 406 */ 407 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 408 409 /** 410 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 411 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 412 * settings entry if available, otherwise we use the hardcoded default. If it's been 413 * more than this long since the last fstrim, we force one during the boot sequence. 414 * 415 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 416 * one gets run at the next available charging+idle time. This final mandatory 417 * no-fstrim check kicks in only of the other scheduling criteria is never met. 418 */ 419 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 420 421 /** 422 * Whether verification is enabled by default. 423 */ 424 private static final boolean DEFAULT_VERIFY_ENABLE = true; 425 426 /** 427 * The default maximum time to wait for the verification agent to return in 428 * milliseconds. 429 */ 430 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 431 432 /** 433 * The default response for package verification timeout. 434 * 435 * This can be either PackageManager.VERIFICATION_ALLOW or 436 * PackageManager.VERIFICATION_REJECT. 437 */ 438 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 439 440 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 441 442 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 443 DEFAULT_CONTAINER_PACKAGE, 444 "com.android.defcontainer.DefaultContainerService"); 445 446 private static final String KILL_APP_REASON_GIDS_CHANGED = 447 "permission grant or revoke changed gids"; 448 449 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 450 "permissions revoked"; 451 452 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 453 454 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 455 456 /** Permission grant: not grant the permission. */ 457 private static final int GRANT_DENIED = 1; 458 459 /** Permission grant: grant the permission as an install permission. */ 460 private static final int GRANT_INSTALL = 2; 461 462 /** Permission grant: grant the permission as a runtime one. */ 463 private static final int GRANT_RUNTIME = 3; 464 465 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 466 private static final int GRANT_UPGRADE = 4; 467 468 /** Canonical intent used to identify what counts as a "web browser" app */ 469 private static final Intent sBrowserIntent; 470 static { 471 sBrowserIntent = new Intent(); 472 sBrowserIntent.setAction(Intent.ACTION_VIEW); 473 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 474 sBrowserIntent.setData(Uri.parse("http:")); 475 } 476 477 /** 478 * The set of all protected actions [i.e. those actions for which a high priority 479 * intent filter is disallowed]. 480 */ 481 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 482 static { 483 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 484 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 485 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 486 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 487 } 488 489 // Compilation reasons. 490 public static final int REASON_FIRST_BOOT = 0; 491 public static final int REASON_BOOT = 1; 492 public static final int REASON_INSTALL = 2; 493 public static final int REASON_BACKGROUND_DEXOPT = 3; 494 public static final int REASON_AB_OTA = 4; 495 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 496 public static final int REASON_SHARED_APK = 6; 497 public static final int REASON_FORCED_DEXOPT = 7; 498 499 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 500 501 // Special String to skip shared libraries check during compilation. 502 private static final String SPECIAL_SHARED_LIBRARY = "&"; 503 504 final ServiceThread mHandlerThread; 505 506 final PackageHandler mHandler; 507 508 private final ProcessLoggingHandler mProcessLoggingHandler; 509 510 /** 511 * Messages for {@link #mHandler} that need to wait for system ready before 512 * being dispatched. 513 */ 514 private ArrayList<Message> mPostSystemReadyMessages; 515 516 final int mSdkVersion = Build.VERSION.SDK_INT; 517 518 final Context mContext; 519 final boolean mFactoryTest; 520 final boolean mOnlyCore; 521 final DisplayMetrics mMetrics; 522 final int mDefParseFlags; 523 final String[] mSeparateProcesses; 524 final boolean mIsUpgrade; 525 final boolean mIsPreNUpgrade; 526 527 /** The location for ASEC container files on internal storage. */ 528 final String mAsecInternalPath; 529 530 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 531 // LOCK HELD. Can be called with mInstallLock held. 532 @GuardedBy("mInstallLock") 533 final Installer mInstaller; 534 535 /** Directory where installed third-party apps stored */ 536 final File mAppInstallDir; 537 final File mEphemeralInstallDir; 538 539 /** 540 * Directory to which applications installed internally have their 541 * 32 bit native libraries copied. 542 */ 543 private File mAppLib32InstallDir; 544 545 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 546 // apps. 547 final File mDrmAppPrivateInstallDir; 548 549 // ---------------------------------------------------------------- 550 551 // Lock for state used when installing and doing other long running 552 // operations. Methods that must be called with this lock held have 553 // the suffix "LI". 554 final Object mInstallLock = new Object(); 555 556 // ---------------------------------------------------------------- 557 558 // Keys are String (package name), values are Package. This also serves 559 // as the lock for the global state. Methods that must be called with 560 // this lock held have the prefix "LP". 561 @GuardedBy("mPackages") 562 final ArrayMap<String, PackageParser.Package> mPackages = 563 new ArrayMap<String, PackageParser.Package>(); 564 565 final ArrayMap<String, Set<String>> mKnownCodebase = 566 new ArrayMap<String, Set<String>>(); 567 568 // Tracks available target package names -> overlay package paths. 569 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 570 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 571 572 /** 573 * Tracks new system packages [received in an OTA] that we expect to 574 * find updated user-installed versions. Keys are package name, values 575 * are package location. 576 */ 577 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 578 /** 579 * Tracks high priority intent filters for protected actions. During boot, certain 580 * filter actions are protected and should never be allowed to have a high priority 581 * intent filter for them. However, there is one, and only one exception -- the 582 * setup wizard. It must be able to define a high priority intent filter for these 583 * actions to ensure there are no escapes from the wizard. We need to delay processing 584 * of these during boot as we need to look at all of the system packages in order 585 * to know which component is the setup wizard. 586 */ 587 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 588 /** 589 * Whether or not processing protected filters should be deferred. 590 */ 591 private boolean mDeferProtectedFilters = true; 592 593 /** 594 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 595 */ 596 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 597 /** 598 * Whether or not system app permissions should be promoted from install to runtime. 599 */ 600 boolean mPromoteSystemApps; 601 602 @GuardedBy("mPackages") 603 final Settings mSettings; 604 605 /** 606 * Set of package names that are currently "frozen", which means active 607 * surgery is being done on the code/data for that package. The platform 608 * will refuse to launch frozen packages to avoid race conditions. 609 * 610 * @see PackageFreezer 611 */ 612 @GuardedBy("mPackages") 613 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 614 615 boolean mRestoredSettings; 616 617 // System configuration read by SystemConfig. 618 final int[] mGlobalGids; 619 final SparseArray<ArraySet<String>> mSystemPermissions; 620 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 621 622 // If mac_permissions.xml was found for seinfo labeling. 623 boolean mFoundPolicyFile; 624 625 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 626 627 public static final class SharedLibraryEntry { 628 public final String path; 629 public final String apk; 630 631 SharedLibraryEntry(String _path, String _apk) { 632 path = _path; 633 apk = _apk; 634 } 635 } 636 637 // Currently known shared libraries. 638 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 639 new ArrayMap<String, SharedLibraryEntry>(); 640 641 // All available activities, for your resolving pleasure. 642 final ActivityIntentResolver mActivities = 643 new ActivityIntentResolver(); 644 645 // All available receivers, for your resolving pleasure. 646 final ActivityIntentResolver mReceivers = 647 new ActivityIntentResolver(); 648 649 // All available services, for your resolving pleasure. 650 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 651 652 // All available providers, for your resolving pleasure. 653 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 654 655 // Mapping from provider base names (first directory in content URI codePath) 656 // to the provider information. 657 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 658 new ArrayMap<String, PackageParser.Provider>(); 659 660 // Mapping from instrumentation class names to info about them. 661 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 662 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 663 664 // Mapping from permission names to info about them. 665 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 666 new ArrayMap<String, PackageParser.PermissionGroup>(); 667 668 // Packages whose data we have transfered into another package, thus 669 // should no longer exist. 670 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 671 672 // Broadcast actions that are only available to the system. 673 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 674 675 /** List of packages waiting for verification. */ 676 final SparseArray<PackageVerificationState> mPendingVerification 677 = new SparseArray<PackageVerificationState>(); 678 679 /** Set of packages associated with each app op permission. */ 680 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 681 682 final PackageInstallerService mInstallerService; 683 684 private final PackageDexOptimizer mPackageDexOptimizer; 685 686 private AtomicInteger mNextMoveId = new AtomicInteger(); 687 private final MoveCallbacks mMoveCallbacks; 688 689 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 690 691 // Cache of users who need badging. 692 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 693 694 /** Token for keys in mPendingVerification. */ 695 private int mPendingVerificationToken = 0; 696 697 volatile boolean mSystemReady; 698 volatile boolean mSafeMode; 699 volatile boolean mHasSystemUidErrors; 700 701 ApplicationInfo mAndroidApplication; 702 final ActivityInfo mResolveActivity = new ActivityInfo(); 703 final ResolveInfo mResolveInfo = new ResolveInfo(); 704 ComponentName mResolveComponentName; 705 PackageParser.Package mPlatformPackage; 706 ComponentName mCustomResolverComponentName; 707 708 boolean mResolverReplaced = false; 709 710 private final @Nullable ComponentName mIntentFilterVerifierComponent; 711 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 712 713 private int mIntentFilterVerificationToken = 0; 714 715 /** Component that knows whether or not an ephemeral application exists */ 716 final ComponentName mEphemeralResolverComponent; 717 /** The service connection to the ephemeral resolver */ 718 final EphemeralResolverConnection mEphemeralResolverConnection; 719 720 /** Component used to install ephemeral applications */ 721 final ComponentName mEphemeralInstallerComponent; 722 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 723 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 724 725 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 726 = new SparseArray<IntentFilterVerificationState>(); 727 728 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 729 new DefaultPermissionGrantPolicy(this); 730 731 // List of packages names to keep cached, even if they are uninstalled for all users 732 private List<String> mKeepUninstalledPackages; 733 734 private static class IFVerificationParams { 735 PackageParser.Package pkg; 736 boolean replacing; 737 int userId; 738 int verifierUid; 739 740 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 741 int _userId, int _verifierUid) { 742 pkg = _pkg; 743 replacing = _replacing; 744 userId = _userId; 745 replacing = _replacing; 746 verifierUid = _verifierUid; 747 } 748 } 749 750 private interface IntentFilterVerifier<T extends IntentFilter> { 751 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 752 T filter, String packageName); 753 void startVerifications(int userId); 754 void receiveVerificationResponse(int verificationId); 755 } 756 757 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 758 private Context mContext; 759 private ComponentName mIntentFilterVerifierComponent; 760 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 761 762 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 763 mContext = context; 764 mIntentFilterVerifierComponent = verifierComponent; 765 } 766 767 private String getDefaultScheme() { 768 return IntentFilter.SCHEME_HTTPS; 769 } 770 771 @Override 772 public void startVerifications(int userId) { 773 // Launch verifications requests 774 int count = mCurrentIntentFilterVerifications.size(); 775 for (int n=0; n<count; n++) { 776 int verificationId = mCurrentIntentFilterVerifications.get(n); 777 final IntentFilterVerificationState ivs = 778 mIntentFilterVerificationStates.get(verificationId); 779 780 String packageName = ivs.getPackageName(); 781 782 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 783 final int filterCount = filters.size(); 784 ArraySet<String> domainsSet = new ArraySet<>(); 785 for (int m=0; m<filterCount; m++) { 786 PackageParser.ActivityIntentInfo filter = filters.get(m); 787 domainsSet.addAll(filter.getHostsList()); 788 } 789 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 790 synchronized (mPackages) { 791 if (mSettings.createIntentFilterVerificationIfNeededLPw( 792 packageName, domainsList) != null) { 793 scheduleWriteSettingsLocked(); 794 } 795 } 796 sendVerificationRequest(userId, verificationId, ivs); 797 } 798 mCurrentIntentFilterVerifications.clear(); 799 } 800 801 private void sendVerificationRequest(int userId, int verificationId, 802 IntentFilterVerificationState ivs) { 803 804 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 805 verificationIntent.putExtra( 806 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 807 verificationId); 808 verificationIntent.putExtra( 809 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 810 getDefaultScheme()); 811 verificationIntent.putExtra( 812 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 813 ivs.getHostsString()); 814 verificationIntent.putExtra( 815 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 816 ivs.getPackageName()); 817 verificationIntent.setComponent(mIntentFilterVerifierComponent); 818 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 819 820 UserHandle user = new UserHandle(userId); 821 mContext.sendBroadcastAsUser(verificationIntent, user); 822 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 823 "Sending IntentFilter verification broadcast"); 824 } 825 826 public void receiveVerificationResponse(int verificationId) { 827 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 828 829 final boolean verified = ivs.isVerified(); 830 831 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 832 final int count = filters.size(); 833 if (DEBUG_DOMAIN_VERIFICATION) { 834 Slog.i(TAG, "Received verification response " + verificationId 835 + " for " + count + " filters, verified=" + verified); 836 } 837 for (int n=0; n<count; n++) { 838 PackageParser.ActivityIntentInfo filter = filters.get(n); 839 filter.setVerified(verified); 840 841 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 842 + " verified with result:" + verified + " and hosts:" 843 + ivs.getHostsString()); 844 } 845 846 mIntentFilterVerificationStates.remove(verificationId); 847 848 final String packageName = ivs.getPackageName(); 849 IntentFilterVerificationInfo ivi = null; 850 851 synchronized (mPackages) { 852 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 853 } 854 if (ivi == null) { 855 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 856 + verificationId + " packageName:" + packageName); 857 return; 858 } 859 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 860 "Updating IntentFilterVerificationInfo for package " + packageName 861 +" verificationId:" + verificationId); 862 863 synchronized (mPackages) { 864 if (verified) { 865 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 866 } else { 867 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 868 } 869 scheduleWriteSettingsLocked(); 870 871 final int userId = ivs.getUserId(); 872 if (userId != UserHandle.USER_ALL) { 873 final int userStatus = 874 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 875 876 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 877 boolean needUpdate = false; 878 879 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 880 // already been set by the User thru the Disambiguation dialog 881 switch (userStatus) { 882 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 883 if (verified) { 884 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 885 } else { 886 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 887 } 888 needUpdate = true; 889 break; 890 891 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 892 if (verified) { 893 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 894 needUpdate = true; 895 } 896 break; 897 898 default: 899 // Nothing to do 900 } 901 902 if (needUpdate) { 903 mSettings.updateIntentFilterVerificationStatusLPw( 904 packageName, updatedStatus, userId); 905 scheduleWritePackageRestrictionsLocked(userId); 906 } 907 } 908 } 909 } 910 911 @Override 912 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 913 ActivityIntentInfo filter, String packageName) { 914 if (!hasValidDomains(filter)) { 915 return false; 916 } 917 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 918 if (ivs == null) { 919 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 920 packageName); 921 } 922 if (DEBUG_DOMAIN_VERIFICATION) { 923 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 924 } 925 ivs.addFilter(filter); 926 return true; 927 } 928 929 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 930 int userId, int verificationId, String packageName) { 931 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 932 verifierUid, userId, packageName); 933 ivs.setPendingState(); 934 synchronized (mPackages) { 935 mIntentFilterVerificationStates.append(verificationId, ivs); 936 mCurrentIntentFilterVerifications.add(verificationId); 937 } 938 return ivs; 939 } 940 } 941 942 private static boolean hasValidDomains(ActivityIntentInfo filter) { 943 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 944 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 945 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 946 } 947 948 // Set of pending broadcasts for aggregating enable/disable of components. 949 static class PendingPackageBroadcasts { 950 // for each user id, a map of <package name -> components within that package> 951 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 952 953 public PendingPackageBroadcasts() { 954 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 955 } 956 957 public ArrayList<String> get(int userId, String packageName) { 958 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 959 return packages.get(packageName); 960 } 961 962 public void put(int userId, String packageName, ArrayList<String> components) { 963 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 964 packages.put(packageName, components); 965 } 966 967 public void remove(int userId, String packageName) { 968 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 969 if (packages != null) { 970 packages.remove(packageName); 971 } 972 } 973 974 public void remove(int userId) { 975 mUidMap.remove(userId); 976 } 977 978 public int userIdCount() { 979 return mUidMap.size(); 980 } 981 982 public int userIdAt(int n) { 983 return mUidMap.keyAt(n); 984 } 985 986 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 987 return mUidMap.get(userId); 988 } 989 990 public int size() { 991 // total number of pending broadcast entries across all userIds 992 int num = 0; 993 for (int i = 0; i< mUidMap.size(); i++) { 994 num += mUidMap.valueAt(i).size(); 995 } 996 return num; 997 } 998 999 public void clear() { 1000 mUidMap.clear(); 1001 } 1002 1003 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1004 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1005 if (map == null) { 1006 map = new ArrayMap<String, ArrayList<String>>(); 1007 mUidMap.put(userId, map); 1008 } 1009 return map; 1010 } 1011 } 1012 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1013 1014 // Service Connection to remote media container service to copy 1015 // package uri's from external media onto secure containers 1016 // or internal storage. 1017 private IMediaContainerService mContainerService = null; 1018 1019 static final int SEND_PENDING_BROADCAST = 1; 1020 static final int MCS_BOUND = 3; 1021 static final int END_COPY = 4; 1022 static final int INIT_COPY = 5; 1023 static final int MCS_UNBIND = 6; 1024 static final int START_CLEANING_PACKAGE = 7; 1025 static final int FIND_INSTALL_LOC = 8; 1026 static final int POST_INSTALL = 9; 1027 static final int MCS_RECONNECT = 10; 1028 static final int MCS_GIVE_UP = 11; 1029 static final int UPDATED_MEDIA_STATUS = 12; 1030 static final int WRITE_SETTINGS = 13; 1031 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1032 static final int PACKAGE_VERIFIED = 15; 1033 static final int CHECK_PENDING_VERIFICATION = 16; 1034 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1035 static final int INTENT_FILTER_VERIFIED = 18; 1036 1037 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1038 1039 // Delay time in millisecs 1040 static final int BROADCAST_DELAY = 10 * 1000; 1041 1042 static UserManagerService sUserManager; 1043 1044 // Stores a list of users whose package restrictions file needs to be updated 1045 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1046 1047 final private DefaultContainerConnection mDefContainerConn = 1048 new DefaultContainerConnection(); 1049 class DefaultContainerConnection implements ServiceConnection { 1050 public void onServiceConnected(ComponentName name, IBinder service) { 1051 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1052 IMediaContainerService imcs = 1053 IMediaContainerService.Stub.asInterface(service); 1054 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1055 } 1056 1057 public void onServiceDisconnected(ComponentName name) { 1058 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1059 } 1060 } 1061 1062 // Recordkeeping of restore-after-install operations that are currently in flight 1063 // between the Package Manager and the Backup Manager 1064 static class PostInstallData { 1065 public InstallArgs args; 1066 public PackageInstalledInfo res; 1067 1068 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1069 args = _a; 1070 res = _r; 1071 } 1072 } 1073 1074 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1075 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1076 1077 // XML tags for backup/restore of various bits of state 1078 private static final String TAG_PREFERRED_BACKUP = "pa"; 1079 private static final String TAG_DEFAULT_APPS = "da"; 1080 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1081 1082 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1083 private static final String TAG_ALL_GRANTS = "rt-grants"; 1084 private static final String TAG_GRANT = "grant"; 1085 private static final String ATTR_PACKAGE_NAME = "pkg"; 1086 1087 private static final String TAG_PERMISSION = "perm"; 1088 private static final String ATTR_PERMISSION_NAME = "name"; 1089 private static final String ATTR_IS_GRANTED = "g"; 1090 private static final String ATTR_USER_SET = "set"; 1091 private static final String ATTR_USER_FIXED = "fixed"; 1092 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1093 1094 // System/policy permission grants are not backed up 1095 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1096 FLAG_PERMISSION_POLICY_FIXED 1097 | FLAG_PERMISSION_SYSTEM_FIXED 1098 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1099 1100 // And we back up these user-adjusted states 1101 private static final int USER_RUNTIME_GRANT_MASK = 1102 FLAG_PERMISSION_USER_SET 1103 | FLAG_PERMISSION_USER_FIXED 1104 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1105 1106 final @Nullable String mRequiredVerifierPackage; 1107 final @NonNull String mRequiredInstallerPackage; 1108 final @Nullable String mSetupWizardPackage; 1109 final @NonNull String mServicesSystemSharedLibraryPackageName; 1110 final @NonNull String mSharedSystemSharedLibraryPackageName; 1111 1112 private final PackageUsage mPackageUsage = new PackageUsage(); 1113 1114 private class PackageUsage { 1115 private static final int WRITE_INTERVAL 1116 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1117 1118 private final Object mFileLock = new Object(); 1119 private final AtomicLong mLastWritten = new AtomicLong(0); 1120 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1121 1122 private boolean mIsHistoricalPackageUsageAvailable = true; 1123 1124 boolean isHistoricalPackageUsageAvailable() { 1125 return mIsHistoricalPackageUsageAvailable; 1126 } 1127 1128 void write(boolean force) { 1129 if (force) { 1130 writeInternal(); 1131 return; 1132 } 1133 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1134 && !DEBUG_DEXOPT) { 1135 return; 1136 } 1137 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1138 new Thread("PackageUsage_DiskWriter") { 1139 @Override 1140 public void run() { 1141 try { 1142 writeInternal(); 1143 } finally { 1144 mBackgroundWriteRunning.set(false); 1145 } 1146 } 1147 }.start(); 1148 } 1149 } 1150 1151 private void writeInternal() { 1152 synchronized (mPackages) { 1153 synchronized (mFileLock) { 1154 AtomicFile file = getFile(); 1155 FileOutputStream f = null; 1156 try { 1157 f = file.startWrite(); 1158 BufferedOutputStream out = new BufferedOutputStream(f); 1159 FileUtils.setPermissions(file.getBaseFile().getPath(), 1160 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1161 StringBuilder sb = new StringBuilder(); 1162 1163 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1164 sb.append('\n'); 1165 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1166 1167 for (PackageParser.Package pkg : mPackages.values()) { 1168 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1169 continue; 1170 } 1171 sb.setLength(0); 1172 sb.append(pkg.packageName); 1173 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1174 sb.append(' '); 1175 sb.append(usageTimeInMillis); 1176 } 1177 sb.append('\n'); 1178 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1179 } 1180 out.flush(); 1181 file.finishWrite(f); 1182 } catch (IOException e) { 1183 if (f != null) { 1184 file.failWrite(f); 1185 } 1186 Log.e(TAG, "Failed to write package usage times", e); 1187 } 1188 } 1189 } 1190 mLastWritten.set(SystemClock.elapsedRealtime()); 1191 } 1192 1193 void readLP() { 1194 synchronized (mFileLock) { 1195 AtomicFile file = getFile(); 1196 BufferedInputStream in = null; 1197 try { 1198 in = new BufferedInputStream(file.openRead()); 1199 StringBuffer sb = new StringBuffer(); 1200 1201 String firstLine = readLine(in, sb); 1202 if (firstLine.equals(USAGE_FILE_MAGIC_VERSION_1)) { 1203 readVersion1LP(in, sb); 1204 } else { 1205 readVersion0LP(in, sb, firstLine); 1206 } 1207 } catch (FileNotFoundException expected) { 1208 mIsHistoricalPackageUsageAvailable = false; 1209 } catch (IOException e) { 1210 Log.w(TAG, "Failed to read package usage times", e); 1211 } finally { 1212 IoUtils.closeQuietly(in); 1213 } 1214 } 1215 mLastWritten.set(SystemClock.elapsedRealtime()); 1216 } 1217 1218 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1219 throws IOException { 1220 // Initial version of the file had no version number and stored one 1221 // package-timestamp pair per line. 1222 // Note that the first line has already been read from the InputStream. 1223 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1224 String[] tokens = line.split(" "); 1225 if (tokens.length != 2) { 1226 throw new IOException("Failed to parse " + line + 1227 " as package-timestamp pair."); 1228 } 1229 1230 String packageName = tokens[0]; 1231 PackageParser.Package pkg = mPackages.get(packageName); 1232 if (pkg == null) { 1233 continue; 1234 } 1235 1236 long timestamp = parseAsLong(tokens[1]); 1237 for (int reason = 0; 1238 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1239 reason++) { 1240 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1241 } 1242 } 1243 } 1244 1245 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1246 // Version 1 of the file started with the corresponding version 1247 // number and then stored a package name and eight timestamps per line. 1248 String line; 1249 while ((line = readLine(in, sb)) != null) { 1250 String[] tokens = line.split(" "); 1251 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1252 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1253 } 1254 1255 String packageName = tokens[0]; 1256 PackageParser.Package pkg = mPackages.get(packageName); 1257 if (pkg == null) { 1258 continue; 1259 } 1260 1261 for (int reason = 0; 1262 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1263 reason++) { 1264 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1265 } 1266 } 1267 } 1268 1269 private long parseAsLong(String token) throws IOException { 1270 try { 1271 return Long.parseLong(token); 1272 } catch (NumberFormatException e) { 1273 throw new IOException("Failed to parse " + token + " as a long.", e); 1274 } 1275 } 1276 1277 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1278 return readToken(in, sb, '\n'); 1279 } 1280 1281 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1282 throws IOException { 1283 sb.setLength(0); 1284 while (true) { 1285 int ch = in.read(); 1286 if (ch == -1) { 1287 if (sb.length() == 0) { 1288 return null; 1289 } 1290 throw new IOException("Unexpected EOF"); 1291 } 1292 if (ch == endOfToken) { 1293 return sb.toString(); 1294 } 1295 sb.append((char)ch); 1296 } 1297 } 1298 1299 private AtomicFile getFile() { 1300 File dataDir = Environment.getDataDirectory(); 1301 File systemDir = new File(dataDir, "system"); 1302 File fname = new File(systemDir, "package-usage.list"); 1303 return new AtomicFile(fname); 1304 } 1305 1306 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1307 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1308 } 1309 1310 class PackageHandler extends Handler { 1311 private boolean mBound = false; 1312 final ArrayList<HandlerParams> mPendingInstalls = 1313 new ArrayList<HandlerParams>(); 1314 1315 private boolean connectToService() { 1316 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1317 " DefaultContainerService"); 1318 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1319 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1320 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1321 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1322 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1323 mBound = true; 1324 return true; 1325 } 1326 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1327 return false; 1328 } 1329 1330 private void disconnectService() { 1331 mContainerService = null; 1332 mBound = false; 1333 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1334 mContext.unbindService(mDefContainerConn); 1335 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1336 } 1337 1338 PackageHandler(Looper looper) { 1339 super(looper); 1340 } 1341 1342 public void handleMessage(Message msg) { 1343 try { 1344 doHandleMessage(msg); 1345 } finally { 1346 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1347 } 1348 } 1349 1350 void doHandleMessage(Message msg) { 1351 switch (msg.what) { 1352 case INIT_COPY: { 1353 HandlerParams params = (HandlerParams) msg.obj; 1354 int idx = mPendingInstalls.size(); 1355 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1356 // If a bind was already initiated we dont really 1357 // need to do anything. The pending install 1358 // will be processed later on. 1359 if (!mBound) { 1360 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1361 System.identityHashCode(mHandler)); 1362 // If this is the only one pending we might 1363 // have to bind to the service again. 1364 if (!connectToService()) { 1365 Slog.e(TAG, "Failed to bind to media container service"); 1366 params.serviceError(); 1367 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1368 System.identityHashCode(mHandler)); 1369 if (params.traceMethod != null) { 1370 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1371 params.traceCookie); 1372 } 1373 return; 1374 } else { 1375 // Once we bind to the service, the first 1376 // pending request will be processed. 1377 mPendingInstalls.add(idx, params); 1378 } 1379 } else { 1380 mPendingInstalls.add(idx, params); 1381 // Already bound to the service. Just make 1382 // sure we trigger off processing the first request. 1383 if (idx == 0) { 1384 mHandler.sendEmptyMessage(MCS_BOUND); 1385 } 1386 } 1387 break; 1388 } 1389 case MCS_BOUND: { 1390 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1391 if (msg.obj != null) { 1392 mContainerService = (IMediaContainerService) msg.obj; 1393 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1394 System.identityHashCode(mHandler)); 1395 } 1396 if (mContainerService == null) { 1397 if (!mBound) { 1398 // Something seriously wrong since we are not bound and we are not 1399 // waiting for connection. Bail out. 1400 Slog.e(TAG, "Cannot bind to media container service"); 1401 for (HandlerParams params : mPendingInstalls) { 1402 // Indicate service bind error 1403 params.serviceError(); 1404 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1405 System.identityHashCode(params)); 1406 if (params.traceMethod != null) { 1407 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1408 params.traceMethod, params.traceCookie); 1409 } 1410 return; 1411 } 1412 mPendingInstalls.clear(); 1413 } else { 1414 Slog.w(TAG, "Waiting to connect to media container service"); 1415 } 1416 } else if (mPendingInstalls.size() > 0) { 1417 HandlerParams params = mPendingInstalls.get(0); 1418 if (params != null) { 1419 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1420 System.identityHashCode(params)); 1421 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1422 if (params.startCopy()) { 1423 // We are done... look for more work or to 1424 // go idle. 1425 if (DEBUG_SD_INSTALL) Log.i(TAG, 1426 "Checking for more work or unbind..."); 1427 // Delete pending install 1428 if (mPendingInstalls.size() > 0) { 1429 mPendingInstalls.remove(0); 1430 } 1431 if (mPendingInstalls.size() == 0) { 1432 if (mBound) { 1433 if (DEBUG_SD_INSTALL) Log.i(TAG, 1434 "Posting delayed MCS_UNBIND"); 1435 removeMessages(MCS_UNBIND); 1436 Message ubmsg = obtainMessage(MCS_UNBIND); 1437 // Unbind after a little delay, to avoid 1438 // continual thrashing. 1439 sendMessageDelayed(ubmsg, 10000); 1440 } 1441 } else { 1442 // There are more pending requests in queue. 1443 // Just post MCS_BOUND message to trigger processing 1444 // of next pending install. 1445 if (DEBUG_SD_INSTALL) Log.i(TAG, 1446 "Posting MCS_BOUND for next work"); 1447 mHandler.sendEmptyMessage(MCS_BOUND); 1448 } 1449 } 1450 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1451 } 1452 } else { 1453 // Should never happen ideally. 1454 Slog.w(TAG, "Empty queue"); 1455 } 1456 break; 1457 } 1458 case MCS_RECONNECT: { 1459 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1460 if (mPendingInstalls.size() > 0) { 1461 if (mBound) { 1462 disconnectService(); 1463 } 1464 if (!connectToService()) { 1465 Slog.e(TAG, "Failed to bind to media container service"); 1466 for (HandlerParams params : mPendingInstalls) { 1467 // Indicate service bind error 1468 params.serviceError(); 1469 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1470 System.identityHashCode(params)); 1471 } 1472 mPendingInstalls.clear(); 1473 } 1474 } 1475 break; 1476 } 1477 case MCS_UNBIND: { 1478 // If there is no actual work left, then time to unbind. 1479 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1480 1481 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1482 if (mBound) { 1483 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1484 1485 disconnectService(); 1486 } 1487 } else if (mPendingInstalls.size() > 0) { 1488 // There are more pending requests in queue. 1489 // Just post MCS_BOUND message to trigger processing 1490 // of next pending install. 1491 mHandler.sendEmptyMessage(MCS_BOUND); 1492 } 1493 1494 break; 1495 } 1496 case MCS_GIVE_UP: { 1497 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1498 HandlerParams params = mPendingInstalls.remove(0); 1499 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1500 System.identityHashCode(params)); 1501 break; 1502 } 1503 case SEND_PENDING_BROADCAST: { 1504 String packages[]; 1505 ArrayList<String> components[]; 1506 int size = 0; 1507 int uids[]; 1508 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1509 synchronized (mPackages) { 1510 if (mPendingBroadcasts == null) { 1511 return; 1512 } 1513 size = mPendingBroadcasts.size(); 1514 if (size <= 0) { 1515 // Nothing to be done. Just return 1516 return; 1517 } 1518 packages = new String[size]; 1519 components = new ArrayList[size]; 1520 uids = new int[size]; 1521 int i = 0; // filling out the above arrays 1522 1523 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1524 int packageUserId = mPendingBroadcasts.userIdAt(n); 1525 Iterator<Map.Entry<String, ArrayList<String>>> it 1526 = mPendingBroadcasts.packagesForUserId(packageUserId) 1527 .entrySet().iterator(); 1528 while (it.hasNext() && i < size) { 1529 Map.Entry<String, ArrayList<String>> ent = it.next(); 1530 packages[i] = ent.getKey(); 1531 components[i] = ent.getValue(); 1532 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1533 uids[i] = (ps != null) 1534 ? UserHandle.getUid(packageUserId, ps.appId) 1535 : -1; 1536 i++; 1537 } 1538 } 1539 size = i; 1540 mPendingBroadcasts.clear(); 1541 } 1542 // Send broadcasts 1543 for (int i = 0; i < size; i++) { 1544 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1545 } 1546 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1547 break; 1548 } 1549 case START_CLEANING_PACKAGE: { 1550 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1551 final String packageName = (String)msg.obj; 1552 final int userId = msg.arg1; 1553 final boolean andCode = msg.arg2 != 0; 1554 synchronized (mPackages) { 1555 if (userId == UserHandle.USER_ALL) { 1556 int[] users = sUserManager.getUserIds(); 1557 for (int user : users) { 1558 mSettings.addPackageToCleanLPw( 1559 new PackageCleanItem(user, packageName, andCode)); 1560 } 1561 } else { 1562 mSettings.addPackageToCleanLPw( 1563 new PackageCleanItem(userId, packageName, andCode)); 1564 } 1565 } 1566 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1567 startCleaningPackages(); 1568 } break; 1569 case POST_INSTALL: { 1570 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1571 1572 PostInstallData data = mRunningInstalls.get(msg.arg1); 1573 mRunningInstalls.delete(msg.arg1); 1574 1575 if (data != null) { 1576 InstallArgs args = data.args; 1577 PackageInstalledInfo parentRes = data.res; 1578 1579 final boolean grantPermissions = (args.installFlags 1580 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1581 final boolean killApp = (args.installFlags 1582 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1583 final String[] grantedPermissions = args.installGrantPermissions; 1584 1585 // Handle the parent package 1586 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1587 grantedPermissions, args.observer); 1588 1589 // Handle the child packages 1590 final int childCount = (parentRes.addedChildPackages != null) 1591 ? parentRes.addedChildPackages.size() : 0; 1592 for (int i = 0; i < childCount; i++) { 1593 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1594 handlePackagePostInstall(childRes, grantPermissions, killApp, 1595 grantedPermissions, args.observer); 1596 } 1597 1598 // Log tracing if needed 1599 if (args.traceMethod != null) { 1600 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1601 args.traceCookie); 1602 } 1603 } else { 1604 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1605 } 1606 1607 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1608 } break; 1609 case UPDATED_MEDIA_STATUS: { 1610 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1611 boolean reportStatus = msg.arg1 == 1; 1612 boolean doGc = msg.arg2 == 1; 1613 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1614 if (doGc) { 1615 // Force a gc to clear up stale containers. 1616 Runtime.getRuntime().gc(); 1617 } 1618 if (msg.obj != null) { 1619 @SuppressWarnings("unchecked") 1620 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1621 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1622 // Unload containers 1623 unloadAllContainers(args); 1624 } 1625 if (reportStatus) { 1626 try { 1627 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1628 PackageHelper.getMountService().finishMediaUpdate(); 1629 } catch (RemoteException e) { 1630 Log.e(TAG, "MountService not running?"); 1631 } 1632 } 1633 } break; 1634 case WRITE_SETTINGS: { 1635 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1636 synchronized (mPackages) { 1637 removeMessages(WRITE_SETTINGS); 1638 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1639 mSettings.writeLPr(); 1640 mDirtyUsers.clear(); 1641 } 1642 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1643 } break; 1644 case WRITE_PACKAGE_RESTRICTIONS: { 1645 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1646 synchronized (mPackages) { 1647 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1648 for (int userId : mDirtyUsers) { 1649 mSettings.writePackageRestrictionsLPr(userId); 1650 } 1651 mDirtyUsers.clear(); 1652 } 1653 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1654 } break; 1655 case CHECK_PENDING_VERIFICATION: { 1656 final int verificationId = msg.arg1; 1657 final PackageVerificationState state = mPendingVerification.get(verificationId); 1658 1659 if ((state != null) && !state.timeoutExtended()) { 1660 final InstallArgs args = state.getInstallArgs(); 1661 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1662 1663 Slog.i(TAG, "Verification timed out for " + originUri); 1664 mPendingVerification.remove(verificationId); 1665 1666 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1667 1668 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1669 Slog.i(TAG, "Continuing with installation of " + originUri); 1670 state.setVerifierResponse(Binder.getCallingUid(), 1671 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1672 broadcastPackageVerified(verificationId, originUri, 1673 PackageManager.VERIFICATION_ALLOW, 1674 state.getInstallArgs().getUser()); 1675 try { 1676 ret = args.copyApk(mContainerService, true); 1677 } catch (RemoteException e) { 1678 Slog.e(TAG, "Could not contact the ContainerService"); 1679 } 1680 } else { 1681 broadcastPackageVerified(verificationId, originUri, 1682 PackageManager.VERIFICATION_REJECT, 1683 state.getInstallArgs().getUser()); 1684 } 1685 1686 Trace.asyncTraceEnd( 1687 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1688 1689 processPendingInstall(args, ret); 1690 mHandler.sendEmptyMessage(MCS_UNBIND); 1691 } 1692 break; 1693 } 1694 case PACKAGE_VERIFIED: { 1695 final int verificationId = msg.arg1; 1696 1697 final PackageVerificationState state = mPendingVerification.get(verificationId); 1698 if (state == null) { 1699 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1700 break; 1701 } 1702 1703 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1704 1705 state.setVerifierResponse(response.callerUid, response.code); 1706 1707 if (state.isVerificationComplete()) { 1708 mPendingVerification.remove(verificationId); 1709 1710 final InstallArgs args = state.getInstallArgs(); 1711 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1712 1713 int ret; 1714 if (state.isInstallAllowed()) { 1715 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1716 broadcastPackageVerified(verificationId, originUri, 1717 response.code, state.getInstallArgs().getUser()); 1718 try { 1719 ret = args.copyApk(mContainerService, true); 1720 } catch (RemoteException e) { 1721 Slog.e(TAG, "Could not contact the ContainerService"); 1722 } 1723 } else { 1724 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1725 } 1726 1727 Trace.asyncTraceEnd( 1728 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1729 1730 processPendingInstall(args, ret); 1731 mHandler.sendEmptyMessage(MCS_UNBIND); 1732 } 1733 1734 break; 1735 } 1736 case START_INTENT_FILTER_VERIFICATIONS: { 1737 IFVerificationParams params = (IFVerificationParams) msg.obj; 1738 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1739 params.replacing, params.pkg); 1740 break; 1741 } 1742 case INTENT_FILTER_VERIFIED: { 1743 final int verificationId = msg.arg1; 1744 1745 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1746 verificationId); 1747 if (state == null) { 1748 Slog.w(TAG, "Invalid IntentFilter verification token " 1749 + verificationId + " received"); 1750 break; 1751 } 1752 1753 final int userId = state.getUserId(); 1754 1755 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1756 "Processing IntentFilter verification with token:" 1757 + verificationId + " and userId:" + userId); 1758 1759 final IntentFilterVerificationResponse response = 1760 (IntentFilterVerificationResponse) msg.obj; 1761 1762 state.setVerifierResponse(response.callerUid, response.code); 1763 1764 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1765 "IntentFilter verification with token:" + verificationId 1766 + " and userId:" + userId 1767 + " is settings verifier response with response code:" 1768 + response.code); 1769 1770 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1771 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1772 + response.getFailedDomainsString()); 1773 } 1774 1775 if (state.isVerificationComplete()) { 1776 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1777 } else { 1778 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1779 "IntentFilter verification with token:" + verificationId 1780 + " was not said to be complete"); 1781 } 1782 1783 break; 1784 } 1785 } 1786 } 1787 } 1788 1789 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1790 boolean killApp, String[] grantedPermissions, 1791 IPackageInstallObserver2 installObserver) { 1792 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1793 // Send the removed broadcasts 1794 if (res.removedInfo != null) { 1795 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1796 } 1797 1798 // Now that we successfully installed the package, grant runtime 1799 // permissions if requested before broadcasting the install. 1800 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1801 >= Build.VERSION_CODES.M) { 1802 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1803 } 1804 1805 final boolean update = res.removedInfo != null 1806 && res.removedInfo.removedPackage != null; 1807 1808 // If this is the first time we have child packages for a disabled privileged 1809 // app that had no children, we grant requested runtime permissions to the new 1810 // children if the parent on the system image had them already granted. 1811 if (res.pkg.parentPackage != null) { 1812 synchronized (mPackages) { 1813 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1814 } 1815 } 1816 1817 synchronized (mPackages) { 1818 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1819 } 1820 1821 final String packageName = res.pkg.applicationInfo.packageName; 1822 Bundle extras = new Bundle(1); 1823 extras.putInt(Intent.EXTRA_UID, res.uid); 1824 1825 // Determine the set of users who are adding this package for 1826 // the first time vs. those who are seeing an update. 1827 int[] firstUsers = EMPTY_INT_ARRAY; 1828 int[] updateUsers = EMPTY_INT_ARRAY; 1829 if (res.origUsers == null || res.origUsers.length == 0) { 1830 firstUsers = res.newUsers; 1831 } else { 1832 for (int newUser : res.newUsers) { 1833 boolean isNew = true; 1834 for (int origUser : res.origUsers) { 1835 if (origUser == newUser) { 1836 isNew = false; 1837 break; 1838 } 1839 } 1840 if (isNew) { 1841 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1842 } else { 1843 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1844 } 1845 } 1846 } 1847 1848 // Send installed broadcasts if the install/update is not ephemeral 1849 if (!isEphemeral(res.pkg)) { 1850 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1851 1852 // Send added for users that see the package for the first time 1853 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1854 extras, 0 /*flags*/, null /*targetPackage*/, 1855 null /*finishedReceiver*/, firstUsers); 1856 1857 // Send added for users that don't see the package for the first time 1858 if (update) { 1859 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1860 } 1861 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1862 extras, 0 /*flags*/, null /*targetPackage*/, 1863 null /*finishedReceiver*/, updateUsers); 1864 1865 // Send replaced for users that don't see the package for the first time 1866 if (update) { 1867 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1868 packageName, extras, 0 /*flags*/, 1869 null /*targetPackage*/, null /*finishedReceiver*/, 1870 updateUsers); 1871 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1872 null /*package*/, null /*extras*/, 0 /*flags*/, 1873 packageName /*targetPackage*/, 1874 null /*finishedReceiver*/, updateUsers); 1875 } 1876 1877 // Send broadcast package appeared if forward locked/external for all users 1878 // treat asec-hosted packages like removable media on upgrade 1879 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1880 if (DEBUG_INSTALL) { 1881 Slog.i(TAG, "upgrading pkg " + res.pkg 1882 + " is ASEC-hosted -> AVAILABLE"); 1883 } 1884 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1885 ArrayList<String> pkgList = new ArrayList<>(1); 1886 pkgList.add(packageName); 1887 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1888 } 1889 } 1890 1891 // Work that needs to happen on first install within each user 1892 if (firstUsers != null && firstUsers.length > 0) { 1893 synchronized (mPackages) { 1894 for (int userId : firstUsers) { 1895 // If this app is a browser and it's newly-installed for some 1896 // users, clear any default-browser state in those users. The 1897 // app's nature doesn't depend on the user, so we can just check 1898 // its browser nature in any user and generalize. 1899 if (packageIsBrowser(packageName, userId)) { 1900 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1901 } 1902 1903 // We may also need to apply pending (restored) runtime 1904 // permission grants within these users. 1905 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1906 } 1907 } 1908 } 1909 1910 // Log current value of "unknown sources" setting 1911 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1912 getUnknownSourcesSettings()); 1913 1914 // Force a gc to clear up things 1915 Runtime.getRuntime().gc(); 1916 1917 // Remove the replaced package's older resources safely now 1918 // We delete after a gc for applications on sdcard. 1919 if (res.removedInfo != null && res.removedInfo.args != null) { 1920 synchronized (mInstallLock) { 1921 res.removedInfo.args.doPostDeleteLI(true); 1922 } 1923 } 1924 } 1925 1926 // If someone is watching installs - notify them 1927 if (installObserver != null) { 1928 try { 1929 Bundle extras = extrasForInstallResult(res); 1930 installObserver.onPackageInstalled(res.name, res.returnCode, 1931 res.returnMsg, extras); 1932 } catch (RemoteException e) { 1933 Slog.i(TAG, "Observer no longer exists."); 1934 } 1935 } 1936 } 1937 1938 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1939 PackageParser.Package pkg) { 1940 if (pkg.parentPackage == null) { 1941 return; 1942 } 1943 if (pkg.requestedPermissions == null) { 1944 return; 1945 } 1946 final PackageSetting disabledSysParentPs = mSettings 1947 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1948 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1949 || !disabledSysParentPs.isPrivileged() 1950 || (disabledSysParentPs.childPackageNames != null 1951 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1952 return; 1953 } 1954 final int[] allUserIds = sUserManager.getUserIds(); 1955 final int permCount = pkg.requestedPermissions.size(); 1956 for (int i = 0; i < permCount; i++) { 1957 String permission = pkg.requestedPermissions.get(i); 1958 BasePermission bp = mSettings.mPermissions.get(permission); 1959 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1960 continue; 1961 } 1962 for (int userId : allUserIds) { 1963 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1964 permission, userId)) { 1965 grantRuntimePermission(pkg.packageName, permission, userId); 1966 } 1967 } 1968 } 1969 } 1970 1971 private StorageEventListener mStorageListener = new StorageEventListener() { 1972 @Override 1973 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1974 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1975 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1976 final String volumeUuid = vol.getFsUuid(); 1977 1978 // Clean up any users or apps that were removed or recreated 1979 // while this volume was missing 1980 reconcileUsers(volumeUuid); 1981 reconcileApps(volumeUuid); 1982 1983 // Clean up any install sessions that expired or were 1984 // cancelled while this volume was missing 1985 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1986 1987 loadPrivatePackages(vol); 1988 1989 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1990 unloadPrivatePackages(vol); 1991 } 1992 } 1993 1994 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1995 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1996 updateExternalMediaStatus(true, false); 1997 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1998 updateExternalMediaStatus(false, false); 1999 } 2000 } 2001 } 2002 2003 @Override 2004 public void onVolumeForgotten(String fsUuid) { 2005 if (TextUtils.isEmpty(fsUuid)) { 2006 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2007 return; 2008 } 2009 2010 // Remove any apps installed on the forgotten volume 2011 synchronized (mPackages) { 2012 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2013 for (PackageSetting ps : packages) { 2014 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2015 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2016 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2017 } 2018 2019 mSettings.onVolumeForgotten(fsUuid); 2020 mSettings.writeLPr(); 2021 } 2022 } 2023 }; 2024 2025 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2026 String[] grantedPermissions) { 2027 for (int userId : userIds) { 2028 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2029 } 2030 2031 // We could have touched GID membership, so flush out packages.list 2032 synchronized (mPackages) { 2033 mSettings.writePackageListLPr(); 2034 } 2035 } 2036 2037 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2038 String[] grantedPermissions) { 2039 SettingBase sb = (SettingBase) pkg.mExtras; 2040 if (sb == null) { 2041 return; 2042 } 2043 2044 PermissionsState permissionsState = sb.getPermissionsState(); 2045 2046 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2047 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2048 2049 for (String permission : pkg.requestedPermissions) { 2050 final BasePermission bp; 2051 synchronized (mPackages) { 2052 bp = mSettings.mPermissions.get(permission); 2053 } 2054 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2055 && (grantedPermissions == null 2056 || ArrayUtils.contains(grantedPermissions, permission))) { 2057 final int flags = permissionsState.getPermissionFlags(permission, userId); 2058 // Installer cannot change immutable permissions. 2059 if ((flags & immutableFlags) == 0) { 2060 grantRuntimePermission(pkg.packageName, permission, userId); 2061 } 2062 } 2063 } 2064 } 2065 2066 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2067 Bundle extras = null; 2068 switch (res.returnCode) { 2069 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2070 extras = new Bundle(); 2071 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2072 res.origPermission); 2073 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2074 res.origPackage); 2075 break; 2076 } 2077 case PackageManager.INSTALL_SUCCEEDED: { 2078 extras = new Bundle(); 2079 extras.putBoolean(Intent.EXTRA_REPLACING, 2080 res.removedInfo != null && res.removedInfo.removedPackage != null); 2081 break; 2082 } 2083 } 2084 return extras; 2085 } 2086 2087 void scheduleWriteSettingsLocked() { 2088 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2089 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2090 } 2091 } 2092 2093 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2094 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2095 scheduleWritePackageRestrictionsLocked(userId); 2096 } 2097 2098 void scheduleWritePackageRestrictionsLocked(int userId) { 2099 final int[] userIds = (userId == UserHandle.USER_ALL) 2100 ? sUserManager.getUserIds() : new int[]{userId}; 2101 for (int nextUserId : userIds) { 2102 if (!sUserManager.exists(nextUserId)) return; 2103 mDirtyUsers.add(nextUserId); 2104 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2105 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2106 } 2107 } 2108 } 2109 2110 public static PackageManagerService main(Context context, Installer installer, 2111 boolean factoryTest, boolean onlyCore) { 2112 // Self-check for initial settings. 2113 PackageManagerServiceCompilerMapping.checkProperties(); 2114 2115 PackageManagerService m = new PackageManagerService(context, installer, 2116 factoryTest, onlyCore); 2117 m.enableSystemUserPackages(); 2118 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2119 // disabled after already being started. 2120 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2121 UserHandle.USER_SYSTEM); 2122 ServiceManager.addService("package", m); 2123 return m; 2124 } 2125 2126 private void enableSystemUserPackages() { 2127 if (!UserManager.isSplitSystemUser()) { 2128 return; 2129 } 2130 // For system user, enable apps based on the following conditions: 2131 // - app is whitelisted or belong to one of these groups: 2132 // -- system app which has no launcher icons 2133 // -- system app which has INTERACT_ACROSS_USERS permission 2134 // -- system IME app 2135 // - app is not in the blacklist 2136 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2137 Set<String> enableApps = new ArraySet<>(); 2138 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2139 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2140 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2141 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2142 enableApps.addAll(wlApps); 2143 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2144 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2145 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2146 enableApps.removeAll(blApps); 2147 Log.i(TAG, "Applications installed for system user: " + enableApps); 2148 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2149 UserHandle.SYSTEM); 2150 final int allAppsSize = allAps.size(); 2151 synchronized (mPackages) { 2152 for (int i = 0; i < allAppsSize; i++) { 2153 String pName = allAps.get(i); 2154 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2155 // Should not happen, but we shouldn't be failing if it does 2156 if (pkgSetting == null) { 2157 continue; 2158 } 2159 boolean install = enableApps.contains(pName); 2160 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2161 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2162 + " for system user"); 2163 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2164 } 2165 } 2166 } 2167 } 2168 2169 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2170 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2171 Context.DISPLAY_SERVICE); 2172 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2173 } 2174 2175 public PackageManagerService(Context context, Installer installer, 2176 boolean factoryTest, boolean onlyCore) { 2177 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2178 SystemClock.uptimeMillis()); 2179 2180 if (mSdkVersion <= 0) { 2181 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2182 } 2183 2184 mContext = context; 2185 mFactoryTest = factoryTest; 2186 mOnlyCore = onlyCore; 2187 mMetrics = new DisplayMetrics(); 2188 mSettings = new Settings(mPackages); 2189 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2190 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2191 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2192 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2193 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2194 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2195 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2196 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2197 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2198 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2199 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2200 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2201 2202 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2203 if (separateProcesses != null && separateProcesses.length() > 0) { 2204 if ("*".equals(separateProcesses)) { 2205 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2206 mSeparateProcesses = null; 2207 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2208 } else { 2209 mDefParseFlags = 0; 2210 mSeparateProcesses = separateProcesses.split(","); 2211 Slog.w(TAG, "Running with debug.separate_processes: " 2212 + separateProcesses); 2213 } 2214 } else { 2215 mDefParseFlags = 0; 2216 mSeparateProcesses = null; 2217 } 2218 2219 mInstaller = installer; 2220 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2221 "*dexopt*"); 2222 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2223 2224 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2225 FgThread.get().getLooper()); 2226 2227 getDefaultDisplayMetrics(context, mMetrics); 2228 2229 SystemConfig systemConfig = SystemConfig.getInstance(); 2230 mGlobalGids = systemConfig.getGlobalGids(); 2231 mSystemPermissions = systemConfig.getSystemPermissions(); 2232 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2233 2234 synchronized (mInstallLock) { 2235 // writer 2236 synchronized (mPackages) { 2237 mHandlerThread = new ServiceThread(TAG, 2238 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2239 mHandlerThread.start(); 2240 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2241 mProcessLoggingHandler = new ProcessLoggingHandler(); 2242 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2243 2244 File dataDir = Environment.getDataDirectory(); 2245 mAppInstallDir = new File(dataDir, "app"); 2246 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2247 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2248 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2249 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2250 2251 sUserManager = new UserManagerService(context, this, mPackages); 2252 2253 // Propagate permission configuration in to package manager. 2254 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2255 = systemConfig.getPermissions(); 2256 for (int i=0; i<permConfig.size(); i++) { 2257 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2258 BasePermission bp = mSettings.mPermissions.get(perm.name); 2259 if (bp == null) { 2260 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2261 mSettings.mPermissions.put(perm.name, bp); 2262 } 2263 if (perm.gids != null) { 2264 bp.setGids(perm.gids, perm.perUser); 2265 } 2266 } 2267 2268 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2269 for (int i=0; i<libConfig.size(); i++) { 2270 mSharedLibraries.put(libConfig.keyAt(i), 2271 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2272 } 2273 2274 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2275 2276 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2277 2278 String customResolverActivity = Resources.getSystem().getString( 2279 R.string.config_customResolverActivity); 2280 if (TextUtils.isEmpty(customResolverActivity)) { 2281 customResolverActivity = null; 2282 } else { 2283 mCustomResolverComponentName = ComponentName.unflattenFromString( 2284 customResolverActivity); 2285 } 2286 2287 long startTime = SystemClock.uptimeMillis(); 2288 2289 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2290 startTime); 2291 2292 // Set flag to monitor and not change apk file paths when 2293 // scanning install directories. 2294 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2295 2296 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2297 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2298 2299 if (bootClassPath == null) { 2300 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2301 } 2302 2303 if (systemServerClassPath == null) { 2304 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2305 } 2306 2307 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2308 final String[] dexCodeInstructionSets = 2309 getDexCodeInstructionSets( 2310 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2311 2312 /** 2313 * Ensure all external libraries have had dexopt run on them. 2314 */ 2315 if (mSharedLibraries.size() > 0) { 2316 // NOTE: For now, we're compiling these system "shared libraries" 2317 // (and framework jars) into all available architectures. It's possible 2318 // to compile them only when we come across an app that uses them (there's 2319 // already logic for that in scanPackageLI) but that adds some complexity. 2320 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2321 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2322 final String lib = libEntry.path; 2323 if (lib == null) { 2324 continue; 2325 } 2326 2327 try { 2328 // Shared libraries do not have profiles so we perform a full 2329 // AOT compilation (if needed). 2330 int dexoptNeeded = DexFile.getDexOptNeeded( 2331 lib, dexCodeInstructionSet, 2332 getCompilerFilterForReason(REASON_SHARED_APK), 2333 false /* newProfile */); 2334 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2335 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2336 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2337 getCompilerFilterForReason(REASON_SHARED_APK), 2338 StorageManager.UUID_PRIVATE_INTERNAL, 2339 SPECIAL_SHARED_LIBRARY); 2340 } 2341 } catch (FileNotFoundException e) { 2342 Slog.w(TAG, "Library not found: " + lib); 2343 } catch (IOException | InstallerException e) { 2344 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2345 + e.getMessage()); 2346 } 2347 } 2348 } 2349 } 2350 2351 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2352 2353 final VersionInfo ver = mSettings.getInternalVersion(); 2354 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2355 2356 // when upgrading from pre-M, promote system app permissions from install to runtime 2357 mPromoteSystemApps = 2358 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2359 2360 // save off the names of pre-existing system packages prior to scanning; we don't 2361 // want to automatically grant runtime permissions for new system apps 2362 if (mPromoteSystemApps) { 2363 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2364 while (pkgSettingIter.hasNext()) { 2365 PackageSetting ps = pkgSettingIter.next(); 2366 if (isSystemApp(ps)) { 2367 mExistingSystemPackages.add(ps.name); 2368 } 2369 } 2370 } 2371 2372 // When upgrading from pre-N, we need to handle package extraction like first boot, 2373 // as there is no profiling data available. 2374 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2375 mSettings.setNWorkDone(); 2376 2377 // Collect vendor overlay packages. 2378 // (Do this before scanning any apps.) 2379 // For security and version matching reason, only consider 2380 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2381 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2382 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2383 | PackageParser.PARSE_IS_SYSTEM 2384 | PackageParser.PARSE_IS_SYSTEM_DIR 2385 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2386 2387 // Find base frameworks (resource packages without code). 2388 scanDirTracedLI(frameworkDir, mDefParseFlags 2389 | PackageParser.PARSE_IS_SYSTEM 2390 | PackageParser.PARSE_IS_SYSTEM_DIR 2391 | PackageParser.PARSE_IS_PRIVILEGED, 2392 scanFlags | SCAN_NO_DEX, 0); 2393 2394 // Collected privileged system packages. 2395 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2396 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2397 | PackageParser.PARSE_IS_SYSTEM 2398 | PackageParser.PARSE_IS_SYSTEM_DIR 2399 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2400 2401 // Collect ordinary system packages. 2402 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2403 scanDirTracedLI(systemAppDir, mDefParseFlags 2404 | PackageParser.PARSE_IS_SYSTEM 2405 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2406 2407 // Collect all vendor packages. 2408 File vendorAppDir = new File("/vendor/app"); 2409 try { 2410 vendorAppDir = vendorAppDir.getCanonicalFile(); 2411 } catch (IOException e) { 2412 // failed to look up canonical path, continue with original one 2413 } 2414 scanDirTracedLI(vendorAppDir, mDefParseFlags 2415 | PackageParser.PARSE_IS_SYSTEM 2416 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2417 2418 // Collect all OEM packages. 2419 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2420 scanDirTracedLI(oemAppDir, mDefParseFlags 2421 | PackageParser.PARSE_IS_SYSTEM 2422 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2423 2424 // Prune any system packages that no longer exist. 2425 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2426 if (!mOnlyCore) { 2427 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2428 while (psit.hasNext()) { 2429 PackageSetting ps = psit.next(); 2430 2431 /* 2432 * If this is not a system app, it can't be a 2433 * disable system app. 2434 */ 2435 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2436 continue; 2437 } 2438 2439 /* 2440 * If the package is scanned, it's not erased. 2441 */ 2442 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2443 if (scannedPkg != null) { 2444 /* 2445 * If the system app is both scanned and in the 2446 * disabled packages list, then it must have been 2447 * added via OTA. Remove it from the currently 2448 * scanned package so the previously user-installed 2449 * application can be scanned. 2450 */ 2451 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2452 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2453 + ps.name + "; removing system app. Last known codePath=" 2454 + ps.codePathString + ", installStatus=" + ps.installStatus 2455 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2456 + scannedPkg.mVersionCode); 2457 removePackageLI(scannedPkg, true); 2458 mExpectingBetter.put(ps.name, ps.codePath); 2459 } 2460 2461 continue; 2462 } 2463 2464 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2465 psit.remove(); 2466 logCriticalInfo(Log.WARN, "System package " + ps.name 2467 + " no longer exists; it's data will be wiped"); 2468 // Actual deletion of code and data will be handled by later 2469 // reconciliation step 2470 } else { 2471 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2472 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2473 possiblyDeletedUpdatedSystemApps.add(ps.name); 2474 } 2475 } 2476 } 2477 } 2478 2479 //look for any incomplete package installations 2480 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2481 for (int i = 0; i < deletePkgsList.size(); i++) { 2482 // Actual deletion of code and data will be handled by later 2483 // reconciliation step 2484 final String packageName = deletePkgsList.get(i).name; 2485 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2486 synchronized (mPackages) { 2487 mSettings.removePackageLPw(packageName); 2488 } 2489 } 2490 2491 //delete tmp files 2492 deleteTempPackageFiles(); 2493 2494 // Remove any shared userIDs that have no associated packages 2495 mSettings.pruneSharedUsersLPw(); 2496 2497 if (!mOnlyCore) { 2498 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2499 SystemClock.uptimeMillis()); 2500 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2501 2502 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2503 | PackageParser.PARSE_FORWARD_LOCK, 2504 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2505 2506 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2507 | PackageParser.PARSE_IS_EPHEMERAL, 2508 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2509 2510 /** 2511 * Remove disable package settings for any updated system 2512 * apps that were removed via an OTA. If they're not a 2513 * previously-updated app, remove them completely. 2514 * Otherwise, just revoke their system-level permissions. 2515 */ 2516 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2517 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2518 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2519 2520 String msg; 2521 if (deletedPkg == null) { 2522 msg = "Updated system package " + deletedAppName 2523 + " no longer exists; it's data will be wiped"; 2524 // Actual deletion of code and data will be handled by later 2525 // reconciliation step 2526 } else { 2527 msg = "Updated system app + " + deletedAppName 2528 + " no longer present; removing system privileges for " 2529 + deletedAppName; 2530 2531 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2532 2533 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2534 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2535 } 2536 logCriticalInfo(Log.WARN, msg); 2537 } 2538 2539 /** 2540 * Make sure all system apps that we expected to appear on 2541 * the userdata partition actually showed up. If they never 2542 * appeared, crawl back and revive the system version. 2543 */ 2544 for (int i = 0; i < mExpectingBetter.size(); i++) { 2545 final String packageName = mExpectingBetter.keyAt(i); 2546 if (!mPackages.containsKey(packageName)) { 2547 final File scanFile = mExpectingBetter.valueAt(i); 2548 2549 logCriticalInfo(Log.WARN, "Expected better " + packageName 2550 + " but never showed up; reverting to system"); 2551 2552 int reparseFlags = mDefParseFlags; 2553 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2554 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2555 | PackageParser.PARSE_IS_SYSTEM_DIR 2556 | PackageParser.PARSE_IS_PRIVILEGED; 2557 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2558 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2559 | PackageParser.PARSE_IS_SYSTEM_DIR; 2560 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2561 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2562 | PackageParser.PARSE_IS_SYSTEM_DIR; 2563 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2564 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2565 | PackageParser.PARSE_IS_SYSTEM_DIR; 2566 } else { 2567 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2568 continue; 2569 } 2570 2571 mSettings.enableSystemPackageLPw(packageName); 2572 2573 try { 2574 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2575 } catch (PackageManagerException e) { 2576 Slog.e(TAG, "Failed to parse original system package: " 2577 + e.getMessage()); 2578 } 2579 } 2580 } 2581 } 2582 mExpectingBetter.clear(); 2583 2584 // Resolve protected action filters. Only the setup wizard is allowed to 2585 // have a high priority filter for these actions. 2586 mSetupWizardPackage = getSetupWizardPackageName(); 2587 if (mProtectedFilters.size() > 0) { 2588 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2589 Slog.i(TAG, "No setup wizard;" 2590 + " All protected intents capped to priority 0"); 2591 } 2592 for (ActivityIntentInfo filter : mProtectedFilters) { 2593 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2594 if (DEBUG_FILTERS) { 2595 Slog.i(TAG, "Found setup wizard;" 2596 + " allow priority " + filter.getPriority() + ";" 2597 + " package: " + filter.activity.info.packageName 2598 + " activity: " + filter.activity.className 2599 + " priority: " + filter.getPriority()); 2600 } 2601 // skip setup wizard; allow it to keep the high priority filter 2602 continue; 2603 } 2604 Slog.w(TAG, "Protected action; cap priority to 0;" 2605 + " package: " + filter.activity.info.packageName 2606 + " activity: " + filter.activity.className 2607 + " origPrio: " + filter.getPriority()); 2608 filter.setPriority(0); 2609 } 2610 } 2611 mDeferProtectedFilters = false; 2612 mProtectedFilters.clear(); 2613 2614 // Now that we know all of the shared libraries, update all clients to have 2615 // the correct library paths. 2616 updateAllSharedLibrariesLPw(); 2617 2618 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2619 // NOTE: We ignore potential failures here during a system scan (like 2620 // the rest of the commands above) because there's precious little we 2621 // can do about it. A settings error is reported, though. 2622 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2623 false /* boot complete */); 2624 } 2625 2626 // Now that we know all the packages we are keeping, 2627 // read and update their last usage times. 2628 mPackageUsage.readLP(); 2629 2630 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2631 SystemClock.uptimeMillis()); 2632 Slog.i(TAG, "Time to scan packages: " 2633 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2634 + " seconds"); 2635 2636 // If the platform SDK has changed since the last time we booted, 2637 // we need to re-grant app permission to catch any new ones that 2638 // appear. This is really a hack, and means that apps can in some 2639 // cases get permissions that the user didn't initially explicitly 2640 // allow... it would be nice to have some better way to handle 2641 // this situation. 2642 int updateFlags = UPDATE_PERMISSIONS_ALL; 2643 if (ver.sdkVersion != mSdkVersion) { 2644 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2645 + mSdkVersion + "; regranting permissions for internal storage"); 2646 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2647 } 2648 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2649 ver.sdkVersion = mSdkVersion; 2650 2651 // If this is the first boot or an update from pre-M, and it is a normal 2652 // boot, then we need to initialize the default preferred apps across 2653 // all defined users. 2654 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2655 for (UserInfo user : sUserManager.getUsers(true)) { 2656 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2657 applyFactoryDefaultBrowserLPw(user.id); 2658 primeDomainVerificationsLPw(user.id); 2659 } 2660 } 2661 2662 // Prepare storage for system user really early during boot, 2663 // since core system apps like SettingsProvider and SystemUI 2664 // can't wait for user to start 2665 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2666 StorageManager.FLAG_STORAGE_DE); 2667 2668 // If this is first boot after an OTA, and a normal boot, then 2669 // we need to clear code cache directories. 2670 if (mIsUpgrade && !onlyCore) { 2671 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2672 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2673 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2674 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2675 // No apps are running this early, so no need to freeze 2676 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2677 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2678 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2679 } 2680 clearAppProfilesLIF(ps.pkg); 2681 } 2682 ver.fingerprint = Build.FINGERPRINT; 2683 } 2684 2685 checkDefaultBrowser(); 2686 2687 // clear only after permissions and other defaults have been updated 2688 mExistingSystemPackages.clear(); 2689 mPromoteSystemApps = false; 2690 2691 // All the changes are done during package scanning. 2692 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2693 2694 // can downgrade to reader 2695 mSettings.writeLPr(); 2696 2697 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2698 SystemClock.uptimeMillis()); 2699 2700 if (!mOnlyCore) { 2701 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2702 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2703 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2704 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2705 mIntentFilterVerifierComponent); 2706 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2707 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2708 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2709 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2710 } else { 2711 mRequiredVerifierPackage = null; 2712 mRequiredInstallerPackage = null; 2713 mIntentFilterVerifierComponent = null; 2714 mIntentFilterVerifier = null; 2715 mServicesSystemSharedLibraryPackageName = null; 2716 mSharedSystemSharedLibraryPackageName = null; 2717 } 2718 2719 mInstallerService = new PackageInstallerService(context, this); 2720 2721 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2722 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2723 // both the installer and resolver must be present to enable ephemeral 2724 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2725 if (DEBUG_EPHEMERAL) { 2726 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2727 + " installer:" + ephemeralInstallerComponent); 2728 } 2729 mEphemeralResolverComponent = ephemeralResolverComponent; 2730 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2731 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2732 mEphemeralResolverConnection = 2733 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2734 } else { 2735 if (DEBUG_EPHEMERAL) { 2736 final String missingComponent = 2737 (ephemeralResolverComponent == null) 2738 ? (ephemeralInstallerComponent == null) 2739 ? "resolver and installer" 2740 : "resolver" 2741 : "installer"; 2742 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2743 } 2744 mEphemeralResolverComponent = null; 2745 mEphemeralInstallerComponent = null; 2746 mEphemeralResolverConnection = null; 2747 } 2748 2749 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2750 } // synchronized (mPackages) 2751 } // synchronized (mInstallLock) 2752 2753 // Now after opening every single application zip, make sure they 2754 // are all flushed. Not really needed, but keeps things nice and 2755 // tidy. 2756 Runtime.getRuntime().gc(); 2757 2758 // The initial scanning above does many calls into installd while 2759 // holding the mPackages lock, but we're mostly interested in yelling 2760 // once we have a booted system. 2761 mInstaller.setWarnIfHeld(mPackages); 2762 2763 // Expose private service for system components to use. 2764 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2765 } 2766 2767 @Override 2768 public boolean isFirstBoot() { 2769 return !mRestoredSettings; 2770 } 2771 2772 @Override 2773 public boolean isOnlyCoreApps() { 2774 return mOnlyCore; 2775 } 2776 2777 @Override 2778 public boolean isUpgrade() { 2779 return mIsUpgrade; 2780 } 2781 2782 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2783 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2784 2785 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2786 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2787 UserHandle.USER_SYSTEM); 2788 if (matches.size() == 1) { 2789 return matches.get(0).getComponentInfo().packageName; 2790 } else { 2791 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2792 return null; 2793 } 2794 } 2795 2796 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2797 synchronized (mPackages) { 2798 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2799 if (libraryEntry == null) { 2800 throw new IllegalStateException("Missing required shared library:" + libraryName); 2801 } 2802 return libraryEntry.apk; 2803 } 2804 } 2805 2806 private @NonNull String getRequiredInstallerLPr() { 2807 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2808 intent.addCategory(Intent.CATEGORY_DEFAULT); 2809 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2810 2811 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2812 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2813 UserHandle.USER_SYSTEM); 2814 if (matches.size() == 1) { 2815 ResolveInfo resolveInfo = matches.get(0); 2816 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2817 throw new RuntimeException("The installer must be a privileged app"); 2818 } 2819 return matches.get(0).getComponentInfo().packageName; 2820 } else { 2821 throw new RuntimeException("There must be exactly one installer; found " + matches); 2822 } 2823 } 2824 2825 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2826 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2827 2828 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2829 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2830 UserHandle.USER_SYSTEM); 2831 ResolveInfo best = null; 2832 final int N = matches.size(); 2833 for (int i = 0; i < N; i++) { 2834 final ResolveInfo cur = matches.get(i); 2835 final String packageName = cur.getComponentInfo().packageName; 2836 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2837 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2838 continue; 2839 } 2840 2841 if (best == null || cur.priority > best.priority) { 2842 best = cur; 2843 } 2844 } 2845 2846 if (best != null) { 2847 return best.getComponentInfo().getComponentName(); 2848 } else { 2849 throw new RuntimeException("There must be at least one intent filter verifier"); 2850 } 2851 } 2852 2853 private @Nullable ComponentName getEphemeralResolverLPr() { 2854 final String[] packageArray = 2855 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2856 if (packageArray.length == 0) { 2857 if (DEBUG_EPHEMERAL) { 2858 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2859 } 2860 return null; 2861 } 2862 2863 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2864 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2865 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2866 UserHandle.USER_SYSTEM); 2867 2868 final int N = resolvers.size(); 2869 if (N == 0) { 2870 if (DEBUG_EPHEMERAL) { 2871 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2872 } 2873 return null; 2874 } 2875 2876 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2877 for (int i = 0; i < N; i++) { 2878 final ResolveInfo info = resolvers.get(i); 2879 2880 if (info.serviceInfo == null) { 2881 continue; 2882 } 2883 2884 final String packageName = info.serviceInfo.packageName; 2885 if (!possiblePackages.contains(packageName)) { 2886 if (DEBUG_EPHEMERAL) { 2887 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2888 + " pkg: " + packageName + ", info:" + info); 2889 } 2890 continue; 2891 } 2892 2893 if (DEBUG_EPHEMERAL) { 2894 Slog.v(TAG, "Ephemeral resolver found;" 2895 + " pkg: " + packageName + ", info:" + info); 2896 } 2897 return new ComponentName(packageName, info.serviceInfo.name); 2898 } 2899 if (DEBUG_EPHEMERAL) { 2900 Slog.v(TAG, "Ephemeral resolver NOT found"); 2901 } 2902 return null; 2903 } 2904 2905 private @Nullable ComponentName getEphemeralInstallerLPr() { 2906 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2907 intent.addCategory(Intent.CATEGORY_DEFAULT); 2908 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2909 2910 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2911 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2912 UserHandle.USER_SYSTEM); 2913 if (matches.size() == 0) { 2914 return null; 2915 } else if (matches.size() == 1) { 2916 return matches.get(0).getComponentInfo().getComponentName(); 2917 } else { 2918 throw new RuntimeException( 2919 "There must be at most one ephemeral installer; found " + matches); 2920 } 2921 } 2922 2923 private void primeDomainVerificationsLPw(int userId) { 2924 if (DEBUG_DOMAIN_VERIFICATION) { 2925 Slog.d(TAG, "Priming domain verifications in user " + userId); 2926 } 2927 2928 SystemConfig systemConfig = SystemConfig.getInstance(); 2929 ArraySet<String> packages = systemConfig.getLinkedApps(); 2930 ArraySet<String> domains = new ArraySet<String>(); 2931 2932 for (String packageName : packages) { 2933 PackageParser.Package pkg = mPackages.get(packageName); 2934 if (pkg != null) { 2935 if (!pkg.isSystemApp()) { 2936 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2937 continue; 2938 } 2939 2940 domains.clear(); 2941 for (PackageParser.Activity a : pkg.activities) { 2942 for (ActivityIntentInfo filter : a.intents) { 2943 if (hasValidDomains(filter)) { 2944 domains.addAll(filter.getHostsList()); 2945 } 2946 } 2947 } 2948 2949 if (domains.size() > 0) { 2950 if (DEBUG_DOMAIN_VERIFICATION) { 2951 Slog.v(TAG, " + " + packageName); 2952 } 2953 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2954 // state w.r.t. the formal app-linkage "no verification attempted" state; 2955 // and then 'always' in the per-user state actually used for intent resolution. 2956 final IntentFilterVerificationInfo ivi; 2957 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2958 new ArrayList<String>(domains)); 2959 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2960 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2961 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2962 } else { 2963 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2964 + "' does not handle web links"); 2965 } 2966 } else { 2967 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2968 } 2969 } 2970 2971 scheduleWritePackageRestrictionsLocked(userId); 2972 scheduleWriteSettingsLocked(); 2973 } 2974 2975 private void applyFactoryDefaultBrowserLPw(int userId) { 2976 // The default browser app's package name is stored in a string resource, 2977 // with a product-specific overlay used for vendor customization. 2978 String browserPkg = mContext.getResources().getString( 2979 com.android.internal.R.string.default_browser); 2980 if (!TextUtils.isEmpty(browserPkg)) { 2981 // non-empty string => required to be a known package 2982 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2983 if (ps == null) { 2984 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2985 browserPkg = null; 2986 } else { 2987 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2988 } 2989 } 2990 2991 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2992 // default. If there's more than one, just leave everything alone. 2993 if (browserPkg == null) { 2994 calculateDefaultBrowserLPw(userId); 2995 } 2996 } 2997 2998 private void calculateDefaultBrowserLPw(int userId) { 2999 List<String> allBrowsers = resolveAllBrowserApps(userId); 3000 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3001 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3002 } 3003 3004 private List<String> resolveAllBrowserApps(int userId) { 3005 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3006 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3007 PackageManager.MATCH_ALL, userId); 3008 3009 final int count = list.size(); 3010 List<String> result = new ArrayList<String>(count); 3011 for (int i=0; i<count; i++) { 3012 ResolveInfo info = list.get(i); 3013 if (info.activityInfo == null 3014 || !info.handleAllWebDataURI 3015 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3016 || result.contains(info.activityInfo.packageName)) { 3017 continue; 3018 } 3019 result.add(info.activityInfo.packageName); 3020 } 3021 3022 return result; 3023 } 3024 3025 private boolean packageIsBrowser(String packageName, int userId) { 3026 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3027 PackageManager.MATCH_ALL, userId); 3028 final int N = list.size(); 3029 for (int i = 0; i < N; i++) { 3030 ResolveInfo info = list.get(i); 3031 if (packageName.equals(info.activityInfo.packageName)) { 3032 return true; 3033 } 3034 } 3035 return false; 3036 } 3037 3038 private void checkDefaultBrowser() { 3039 final int myUserId = UserHandle.myUserId(); 3040 final String packageName = getDefaultBrowserPackageName(myUserId); 3041 if (packageName != null) { 3042 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3043 if (info == null) { 3044 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3045 synchronized (mPackages) { 3046 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3047 } 3048 } 3049 } 3050 } 3051 3052 @Override 3053 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3054 throws RemoteException { 3055 try { 3056 return super.onTransact(code, data, reply, flags); 3057 } catch (RuntimeException e) { 3058 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3059 Slog.wtf(TAG, "Package Manager Crash", e); 3060 } 3061 throw e; 3062 } 3063 } 3064 3065 static int[] appendInts(int[] cur, int[] add) { 3066 if (add == null) return cur; 3067 if (cur == null) return add; 3068 final int N = add.length; 3069 for (int i=0; i<N; i++) { 3070 cur = appendInt(cur, add[i]); 3071 } 3072 return cur; 3073 } 3074 3075 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3076 if (!sUserManager.exists(userId)) return null; 3077 if (ps == null) { 3078 return null; 3079 } 3080 final PackageParser.Package p = ps.pkg; 3081 if (p == null) { 3082 return null; 3083 } 3084 3085 final PermissionsState permissionsState = ps.getPermissionsState(); 3086 3087 final int[] gids = permissionsState.computeGids(userId); 3088 final Set<String> permissions = permissionsState.getPermissions(userId); 3089 final PackageUserState state = ps.readUserState(userId); 3090 3091 return PackageParser.generatePackageInfo(p, gids, flags, 3092 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3093 } 3094 3095 @Override 3096 public void checkPackageStartable(String packageName, int userId) { 3097 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3098 3099 synchronized (mPackages) { 3100 final PackageSetting ps = mSettings.mPackages.get(packageName); 3101 if (ps == null) { 3102 throw new SecurityException("Package " + packageName + " was not found!"); 3103 } 3104 3105 if (!ps.getInstalled(userId)) { 3106 throw new SecurityException( 3107 "Package " + packageName + " was not installed for user " + userId + "!"); 3108 } 3109 3110 if (mSafeMode && !ps.isSystem()) { 3111 throw new SecurityException("Package " + packageName + " not a system app!"); 3112 } 3113 3114 if (mFrozenPackages.contains(packageName)) { 3115 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3116 } 3117 3118 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3119 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3120 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3121 } 3122 } 3123 } 3124 3125 @Override 3126 public boolean isPackageAvailable(String packageName, int userId) { 3127 if (!sUserManager.exists(userId)) return false; 3128 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3129 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3130 synchronized (mPackages) { 3131 PackageParser.Package p = mPackages.get(packageName); 3132 if (p != null) { 3133 final PackageSetting ps = (PackageSetting) p.mExtras; 3134 if (ps != null) { 3135 final PackageUserState state = ps.readUserState(userId); 3136 if (state != null) { 3137 return PackageParser.isAvailable(state); 3138 } 3139 } 3140 } 3141 } 3142 return false; 3143 } 3144 3145 @Override 3146 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3147 if (!sUserManager.exists(userId)) return null; 3148 flags = updateFlagsForPackage(flags, userId, packageName); 3149 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3150 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3151 // reader 3152 synchronized (mPackages) { 3153 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3154 PackageParser.Package p = null; 3155 if (matchFactoryOnly) { 3156 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3157 if (ps != null) { 3158 return generatePackageInfo(ps, flags, userId); 3159 } 3160 } 3161 if (p == null) { 3162 p = mPackages.get(packageName); 3163 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3164 return null; 3165 } 3166 } 3167 if (DEBUG_PACKAGE_INFO) 3168 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3169 if (p != null) { 3170 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3171 } 3172 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3173 final PackageSetting ps = mSettings.mPackages.get(packageName); 3174 return generatePackageInfo(ps, flags, userId); 3175 } 3176 } 3177 return null; 3178 } 3179 3180 @Override 3181 public String[] currentToCanonicalPackageNames(String[] names) { 3182 String[] out = new String[names.length]; 3183 // reader 3184 synchronized (mPackages) { 3185 for (int i=names.length-1; i>=0; i--) { 3186 PackageSetting ps = mSettings.mPackages.get(names[i]); 3187 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3188 } 3189 } 3190 return out; 3191 } 3192 3193 @Override 3194 public String[] canonicalToCurrentPackageNames(String[] names) { 3195 String[] out = new String[names.length]; 3196 // reader 3197 synchronized (mPackages) { 3198 for (int i=names.length-1; i>=0; i--) { 3199 String cur = mSettings.mRenamedPackages.get(names[i]); 3200 out[i] = cur != null ? cur : names[i]; 3201 } 3202 } 3203 return out; 3204 } 3205 3206 @Override 3207 public int getPackageUid(String packageName, int flags, int userId) { 3208 if (!sUserManager.exists(userId)) return -1; 3209 flags = updateFlagsForPackage(flags, userId, packageName); 3210 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3211 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3212 3213 // reader 3214 synchronized (mPackages) { 3215 final PackageParser.Package p = mPackages.get(packageName); 3216 if (p != null && p.isMatch(flags)) { 3217 return UserHandle.getUid(userId, p.applicationInfo.uid); 3218 } 3219 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3220 final PackageSetting ps = mSettings.mPackages.get(packageName); 3221 if (ps != null && ps.isMatch(flags)) { 3222 return UserHandle.getUid(userId, ps.appId); 3223 } 3224 } 3225 } 3226 3227 return -1; 3228 } 3229 3230 @Override 3231 public int[] getPackageGids(String packageName, int flags, int userId) { 3232 if (!sUserManager.exists(userId)) return null; 3233 flags = updateFlagsForPackage(flags, userId, packageName); 3234 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3235 false /* requireFullPermission */, false /* checkShell */, 3236 "getPackageGids"); 3237 3238 // reader 3239 synchronized (mPackages) { 3240 final PackageParser.Package p = mPackages.get(packageName); 3241 if (p != null && p.isMatch(flags)) { 3242 PackageSetting ps = (PackageSetting) p.mExtras; 3243 return ps.getPermissionsState().computeGids(userId); 3244 } 3245 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3246 final PackageSetting ps = mSettings.mPackages.get(packageName); 3247 if (ps != null && ps.isMatch(flags)) { 3248 return ps.getPermissionsState().computeGids(userId); 3249 } 3250 } 3251 } 3252 3253 return null; 3254 } 3255 3256 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3257 if (bp.perm != null) { 3258 return PackageParser.generatePermissionInfo(bp.perm, flags); 3259 } 3260 PermissionInfo pi = new PermissionInfo(); 3261 pi.name = bp.name; 3262 pi.packageName = bp.sourcePackage; 3263 pi.nonLocalizedLabel = bp.name; 3264 pi.protectionLevel = bp.protectionLevel; 3265 return pi; 3266 } 3267 3268 @Override 3269 public PermissionInfo getPermissionInfo(String name, int flags) { 3270 // reader 3271 synchronized (mPackages) { 3272 final BasePermission p = mSettings.mPermissions.get(name); 3273 if (p != null) { 3274 return generatePermissionInfo(p, flags); 3275 } 3276 return null; 3277 } 3278 } 3279 3280 @Override 3281 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3282 int flags) { 3283 // reader 3284 synchronized (mPackages) { 3285 if (group != null && !mPermissionGroups.containsKey(group)) { 3286 // This is thrown as NameNotFoundException 3287 return null; 3288 } 3289 3290 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3291 for (BasePermission p : mSettings.mPermissions.values()) { 3292 if (group == null) { 3293 if (p.perm == null || p.perm.info.group == null) { 3294 out.add(generatePermissionInfo(p, flags)); 3295 } 3296 } else { 3297 if (p.perm != null && group.equals(p.perm.info.group)) { 3298 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3299 } 3300 } 3301 } 3302 return new ParceledListSlice<>(out); 3303 } 3304 } 3305 3306 @Override 3307 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3308 // reader 3309 synchronized (mPackages) { 3310 return PackageParser.generatePermissionGroupInfo( 3311 mPermissionGroups.get(name), flags); 3312 } 3313 } 3314 3315 @Override 3316 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3317 // reader 3318 synchronized (mPackages) { 3319 final int N = mPermissionGroups.size(); 3320 ArrayList<PermissionGroupInfo> out 3321 = new ArrayList<PermissionGroupInfo>(N); 3322 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3323 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3324 } 3325 return new ParceledListSlice<>(out); 3326 } 3327 } 3328 3329 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3330 int userId) { 3331 if (!sUserManager.exists(userId)) return null; 3332 PackageSetting ps = mSettings.mPackages.get(packageName); 3333 if (ps != null) { 3334 if (ps.pkg == null) { 3335 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3336 if (pInfo != null) { 3337 return pInfo.applicationInfo; 3338 } 3339 return null; 3340 } 3341 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3342 ps.readUserState(userId), userId); 3343 } 3344 return null; 3345 } 3346 3347 @Override 3348 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3349 if (!sUserManager.exists(userId)) return null; 3350 flags = updateFlagsForApplication(flags, userId, packageName); 3351 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3352 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3353 // writer 3354 synchronized (mPackages) { 3355 PackageParser.Package p = mPackages.get(packageName); 3356 if (DEBUG_PACKAGE_INFO) Log.v( 3357 TAG, "getApplicationInfo " + packageName 3358 + ": " + p); 3359 if (p != null) { 3360 PackageSetting ps = mSettings.mPackages.get(packageName); 3361 if (ps == null) return null; 3362 // Note: isEnabledLP() does not apply here - always return info 3363 return PackageParser.generateApplicationInfo( 3364 p, flags, ps.readUserState(userId), userId); 3365 } 3366 if ("android".equals(packageName)||"system".equals(packageName)) { 3367 return mAndroidApplication; 3368 } 3369 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3370 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3371 } 3372 } 3373 return null; 3374 } 3375 3376 @Override 3377 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3378 final IPackageDataObserver observer) { 3379 mContext.enforceCallingOrSelfPermission( 3380 android.Manifest.permission.CLEAR_APP_CACHE, null); 3381 // Queue up an async operation since clearing cache may take a little while. 3382 mHandler.post(new Runnable() { 3383 public void run() { 3384 mHandler.removeCallbacks(this); 3385 boolean success = true; 3386 synchronized (mInstallLock) { 3387 try { 3388 mInstaller.freeCache(volumeUuid, freeStorageSize); 3389 } catch (InstallerException e) { 3390 Slog.w(TAG, "Couldn't clear application caches: " + e); 3391 success = false; 3392 } 3393 } 3394 if (observer != null) { 3395 try { 3396 observer.onRemoveCompleted(null, success); 3397 } catch (RemoteException e) { 3398 Slog.w(TAG, "RemoveException when invoking call back"); 3399 } 3400 } 3401 } 3402 }); 3403 } 3404 3405 @Override 3406 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3407 final IntentSender pi) { 3408 mContext.enforceCallingOrSelfPermission( 3409 android.Manifest.permission.CLEAR_APP_CACHE, null); 3410 // Queue up an async operation since clearing cache may take a little while. 3411 mHandler.post(new Runnable() { 3412 public void run() { 3413 mHandler.removeCallbacks(this); 3414 boolean success = true; 3415 synchronized (mInstallLock) { 3416 try { 3417 mInstaller.freeCache(volumeUuid, freeStorageSize); 3418 } catch (InstallerException e) { 3419 Slog.w(TAG, "Couldn't clear application caches: " + e); 3420 success = false; 3421 } 3422 } 3423 if(pi != null) { 3424 try { 3425 // Callback via pending intent 3426 int code = success ? 1 : 0; 3427 pi.sendIntent(null, code, null, 3428 null, null); 3429 } catch (SendIntentException e1) { 3430 Slog.i(TAG, "Failed to send pending intent"); 3431 } 3432 } 3433 } 3434 }); 3435 } 3436 3437 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3438 synchronized (mInstallLock) { 3439 try { 3440 mInstaller.freeCache(volumeUuid, freeStorageSize); 3441 } catch (InstallerException e) { 3442 throw new IOException("Failed to free enough space", e); 3443 } 3444 } 3445 } 3446 3447 /** 3448 * Update given flags based on encryption status of current user. 3449 */ 3450 private int updateFlags(int flags, int userId) { 3451 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3452 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3453 // Caller expressed an explicit opinion about what encryption 3454 // aware/unaware components they want to see, so fall through and 3455 // give them what they want 3456 } else { 3457 // Caller expressed no opinion, so match based on user state 3458 if (StorageManager.isUserKeyUnlocked(userId)) { 3459 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3460 } else { 3461 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3462 } 3463 } 3464 return flags; 3465 } 3466 3467 /** 3468 * Update given flags when being used to request {@link PackageInfo}. 3469 */ 3470 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3471 boolean triaged = true; 3472 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3473 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3474 // Caller is asking for component details, so they'd better be 3475 // asking for specific encryption matching behavior, or be triaged 3476 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3477 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3478 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3479 triaged = false; 3480 } 3481 } 3482 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3483 | PackageManager.MATCH_SYSTEM_ONLY 3484 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3485 triaged = false; 3486 } 3487 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3488 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3489 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3490 } 3491 return updateFlags(flags, userId); 3492 } 3493 3494 /** 3495 * Update given flags when being used to request {@link ApplicationInfo}. 3496 */ 3497 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3498 return updateFlagsForPackage(flags, userId, cookie); 3499 } 3500 3501 /** 3502 * Update given flags when being used to request {@link ComponentInfo}. 3503 */ 3504 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3505 if (cookie instanceof Intent) { 3506 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3507 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3508 } 3509 } 3510 3511 boolean triaged = true; 3512 // Caller is asking for component details, so they'd better be 3513 // asking for specific encryption matching behavior, or be triaged 3514 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3515 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3516 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3517 triaged = false; 3518 } 3519 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3520 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3521 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3522 } 3523 3524 return updateFlags(flags, userId); 3525 } 3526 3527 /** 3528 * Update given flags when being used to request {@link ResolveInfo}. 3529 */ 3530 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3531 // Safe mode means we shouldn't match any third-party components 3532 if (mSafeMode) { 3533 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3534 } 3535 3536 return updateFlagsForComponent(flags, userId, cookie); 3537 } 3538 3539 @Override 3540 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3541 if (!sUserManager.exists(userId)) return null; 3542 flags = updateFlagsForComponent(flags, userId, component); 3543 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3544 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3545 synchronized (mPackages) { 3546 PackageParser.Activity a = mActivities.mActivities.get(component); 3547 3548 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3549 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3550 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3551 if (ps == null) return null; 3552 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3553 userId); 3554 } 3555 if (mResolveComponentName.equals(component)) { 3556 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3557 new PackageUserState(), userId); 3558 } 3559 } 3560 return null; 3561 } 3562 3563 @Override 3564 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3565 String resolvedType) { 3566 synchronized (mPackages) { 3567 if (component.equals(mResolveComponentName)) { 3568 // The resolver supports EVERYTHING! 3569 return true; 3570 } 3571 PackageParser.Activity a = mActivities.mActivities.get(component); 3572 if (a == null) { 3573 return false; 3574 } 3575 for (int i=0; i<a.intents.size(); i++) { 3576 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3577 intent.getData(), intent.getCategories(), TAG) >= 0) { 3578 return true; 3579 } 3580 } 3581 return false; 3582 } 3583 } 3584 3585 @Override 3586 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3587 if (!sUserManager.exists(userId)) return null; 3588 flags = updateFlagsForComponent(flags, userId, component); 3589 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3590 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3591 synchronized (mPackages) { 3592 PackageParser.Activity a = mReceivers.mActivities.get(component); 3593 if (DEBUG_PACKAGE_INFO) Log.v( 3594 TAG, "getReceiverInfo " + component + ": " + a); 3595 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3596 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3597 if (ps == null) return null; 3598 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3599 userId); 3600 } 3601 } 3602 return null; 3603 } 3604 3605 @Override 3606 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3607 if (!sUserManager.exists(userId)) return null; 3608 flags = updateFlagsForComponent(flags, userId, component); 3609 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3610 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3611 synchronized (mPackages) { 3612 PackageParser.Service s = mServices.mServices.get(component); 3613 if (DEBUG_PACKAGE_INFO) Log.v( 3614 TAG, "getServiceInfo " + component + ": " + s); 3615 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3616 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3617 if (ps == null) return null; 3618 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3619 userId); 3620 } 3621 } 3622 return null; 3623 } 3624 3625 @Override 3626 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3627 if (!sUserManager.exists(userId)) return null; 3628 flags = updateFlagsForComponent(flags, userId, component); 3629 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3630 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3631 synchronized (mPackages) { 3632 PackageParser.Provider p = mProviders.mProviders.get(component); 3633 if (DEBUG_PACKAGE_INFO) Log.v( 3634 TAG, "getProviderInfo " + component + ": " + p); 3635 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3636 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3637 if (ps == null) return null; 3638 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3639 userId); 3640 } 3641 } 3642 return null; 3643 } 3644 3645 @Override 3646 public String[] getSystemSharedLibraryNames() { 3647 Set<String> libSet; 3648 synchronized (mPackages) { 3649 libSet = mSharedLibraries.keySet(); 3650 int size = libSet.size(); 3651 if (size > 0) { 3652 String[] libs = new String[size]; 3653 libSet.toArray(libs); 3654 return libs; 3655 } 3656 } 3657 return null; 3658 } 3659 3660 @Override 3661 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3662 synchronized (mPackages) { 3663 return mServicesSystemSharedLibraryPackageName; 3664 } 3665 } 3666 3667 @Override 3668 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3669 synchronized (mPackages) { 3670 return mSharedSystemSharedLibraryPackageName; 3671 } 3672 } 3673 3674 @Override 3675 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3676 synchronized (mPackages) { 3677 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3678 3679 final FeatureInfo fi = new FeatureInfo(); 3680 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3681 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3682 res.add(fi); 3683 3684 return new ParceledListSlice<>(res); 3685 } 3686 } 3687 3688 @Override 3689 public boolean hasSystemFeature(String name, int version) { 3690 synchronized (mPackages) { 3691 final FeatureInfo feat = mAvailableFeatures.get(name); 3692 if (feat == null) { 3693 return false; 3694 } else { 3695 return feat.version >= version; 3696 } 3697 } 3698 } 3699 3700 @Override 3701 public int checkPermission(String permName, String pkgName, int userId) { 3702 if (!sUserManager.exists(userId)) { 3703 return PackageManager.PERMISSION_DENIED; 3704 } 3705 3706 synchronized (mPackages) { 3707 final PackageParser.Package p = mPackages.get(pkgName); 3708 if (p != null && p.mExtras != null) { 3709 final PackageSetting ps = (PackageSetting) p.mExtras; 3710 final PermissionsState permissionsState = ps.getPermissionsState(); 3711 if (permissionsState.hasPermission(permName, userId)) { 3712 return PackageManager.PERMISSION_GRANTED; 3713 } 3714 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3715 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3716 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3717 return PackageManager.PERMISSION_GRANTED; 3718 } 3719 } 3720 } 3721 3722 return PackageManager.PERMISSION_DENIED; 3723 } 3724 3725 @Override 3726 public int checkUidPermission(String permName, int uid) { 3727 final int userId = UserHandle.getUserId(uid); 3728 3729 if (!sUserManager.exists(userId)) { 3730 return PackageManager.PERMISSION_DENIED; 3731 } 3732 3733 synchronized (mPackages) { 3734 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3735 if (obj != null) { 3736 final SettingBase ps = (SettingBase) obj; 3737 final PermissionsState permissionsState = ps.getPermissionsState(); 3738 if (permissionsState.hasPermission(permName, userId)) { 3739 return PackageManager.PERMISSION_GRANTED; 3740 } 3741 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3742 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3743 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3744 return PackageManager.PERMISSION_GRANTED; 3745 } 3746 } else { 3747 ArraySet<String> perms = mSystemPermissions.get(uid); 3748 if (perms != null) { 3749 if (perms.contains(permName)) { 3750 return PackageManager.PERMISSION_GRANTED; 3751 } 3752 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3753 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3754 return PackageManager.PERMISSION_GRANTED; 3755 } 3756 } 3757 } 3758 } 3759 3760 return PackageManager.PERMISSION_DENIED; 3761 } 3762 3763 @Override 3764 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3765 if (UserHandle.getCallingUserId() != userId) { 3766 mContext.enforceCallingPermission( 3767 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3768 "isPermissionRevokedByPolicy for user " + userId); 3769 } 3770 3771 if (checkPermission(permission, packageName, userId) 3772 == PackageManager.PERMISSION_GRANTED) { 3773 return false; 3774 } 3775 3776 final long identity = Binder.clearCallingIdentity(); 3777 try { 3778 final int flags = getPermissionFlags(permission, packageName, userId); 3779 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3780 } finally { 3781 Binder.restoreCallingIdentity(identity); 3782 } 3783 } 3784 3785 @Override 3786 public String getPermissionControllerPackageName() { 3787 synchronized (mPackages) { 3788 return mRequiredInstallerPackage; 3789 } 3790 } 3791 3792 /** 3793 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3794 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3795 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3796 * @param message the message to log on security exception 3797 */ 3798 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3799 boolean checkShell, String message) { 3800 if (userId < 0) { 3801 throw new IllegalArgumentException("Invalid userId " + userId); 3802 } 3803 if (checkShell) { 3804 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3805 } 3806 if (userId == UserHandle.getUserId(callingUid)) return; 3807 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3808 if (requireFullPermission) { 3809 mContext.enforceCallingOrSelfPermission( 3810 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3811 } else { 3812 try { 3813 mContext.enforceCallingOrSelfPermission( 3814 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3815 } catch (SecurityException se) { 3816 mContext.enforceCallingOrSelfPermission( 3817 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3818 } 3819 } 3820 } 3821 } 3822 3823 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3824 if (callingUid == Process.SHELL_UID) { 3825 if (userHandle >= 0 3826 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3827 throw new SecurityException("Shell does not have permission to access user " 3828 + userHandle); 3829 } else if (userHandle < 0) { 3830 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3831 + Debug.getCallers(3)); 3832 } 3833 } 3834 } 3835 3836 private BasePermission findPermissionTreeLP(String permName) { 3837 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3838 if (permName.startsWith(bp.name) && 3839 permName.length() > bp.name.length() && 3840 permName.charAt(bp.name.length()) == '.') { 3841 return bp; 3842 } 3843 } 3844 return null; 3845 } 3846 3847 private BasePermission checkPermissionTreeLP(String permName) { 3848 if (permName != null) { 3849 BasePermission bp = findPermissionTreeLP(permName); 3850 if (bp != null) { 3851 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3852 return bp; 3853 } 3854 throw new SecurityException("Calling uid " 3855 + Binder.getCallingUid() 3856 + " is not allowed to add to permission tree " 3857 + bp.name + " owned by uid " + bp.uid); 3858 } 3859 } 3860 throw new SecurityException("No permission tree found for " + permName); 3861 } 3862 3863 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3864 if (s1 == null) { 3865 return s2 == null; 3866 } 3867 if (s2 == null) { 3868 return false; 3869 } 3870 if (s1.getClass() != s2.getClass()) { 3871 return false; 3872 } 3873 return s1.equals(s2); 3874 } 3875 3876 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3877 if (pi1.icon != pi2.icon) return false; 3878 if (pi1.logo != pi2.logo) return false; 3879 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3880 if (!compareStrings(pi1.name, pi2.name)) return false; 3881 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3882 // We'll take care of setting this one. 3883 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3884 // These are not currently stored in settings. 3885 //if (!compareStrings(pi1.group, pi2.group)) return false; 3886 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3887 //if (pi1.labelRes != pi2.labelRes) return false; 3888 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3889 return true; 3890 } 3891 3892 int permissionInfoFootprint(PermissionInfo info) { 3893 int size = info.name.length(); 3894 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3895 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3896 return size; 3897 } 3898 3899 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3900 int size = 0; 3901 for (BasePermission perm : mSettings.mPermissions.values()) { 3902 if (perm.uid == tree.uid) { 3903 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3904 } 3905 } 3906 return size; 3907 } 3908 3909 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3910 // We calculate the max size of permissions defined by this uid and throw 3911 // if that plus the size of 'info' would exceed our stated maximum. 3912 if (tree.uid != Process.SYSTEM_UID) { 3913 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3914 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3915 throw new SecurityException("Permission tree size cap exceeded"); 3916 } 3917 } 3918 } 3919 3920 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3921 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3922 throw new SecurityException("Label must be specified in permission"); 3923 } 3924 BasePermission tree = checkPermissionTreeLP(info.name); 3925 BasePermission bp = mSettings.mPermissions.get(info.name); 3926 boolean added = bp == null; 3927 boolean changed = true; 3928 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3929 if (added) { 3930 enforcePermissionCapLocked(info, tree); 3931 bp = new BasePermission(info.name, tree.sourcePackage, 3932 BasePermission.TYPE_DYNAMIC); 3933 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3934 throw new SecurityException( 3935 "Not allowed to modify non-dynamic permission " 3936 + info.name); 3937 } else { 3938 if (bp.protectionLevel == fixedLevel 3939 && bp.perm.owner.equals(tree.perm.owner) 3940 && bp.uid == tree.uid 3941 && comparePermissionInfos(bp.perm.info, info)) { 3942 changed = false; 3943 } 3944 } 3945 bp.protectionLevel = fixedLevel; 3946 info = new PermissionInfo(info); 3947 info.protectionLevel = fixedLevel; 3948 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3949 bp.perm.info.packageName = tree.perm.info.packageName; 3950 bp.uid = tree.uid; 3951 if (added) { 3952 mSettings.mPermissions.put(info.name, bp); 3953 } 3954 if (changed) { 3955 if (!async) { 3956 mSettings.writeLPr(); 3957 } else { 3958 scheduleWriteSettingsLocked(); 3959 } 3960 } 3961 return added; 3962 } 3963 3964 @Override 3965 public boolean addPermission(PermissionInfo info) { 3966 synchronized (mPackages) { 3967 return addPermissionLocked(info, false); 3968 } 3969 } 3970 3971 @Override 3972 public boolean addPermissionAsync(PermissionInfo info) { 3973 synchronized (mPackages) { 3974 return addPermissionLocked(info, true); 3975 } 3976 } 3977 3978 @Override 3979 public void removePermission(String name) { 3980 synchronized (mPackages) { 3981 checkPermissionTreeLP(name); 3982 BasePermission bp = mSettings.mPermissions.get(name); 3983 if (bp != null) { 3984 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3985 throw new SecurityException( 3986 "Not allowed to modify non-dynamic permission " 3987 + name); 3988 } 3989 mSettings.mPermissions.remove(name); 3990 mSettings.writeLPr(); 3991 } 3992 } 3993 } 3994 3995 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3996 BasePermission bp) { 3997 int index = pkg.requestedPermissions.indexOf(bp.name); 3998 if (index == -1) { 3999 throw new SecurityException("Package " + pkg.packageName 4000 + " has not requested permission " + bp.name); 4001 } 4002 if (!bp.isRuntime() && !bp.isDevelopment()) { 4003 throw new SecurityException("Permission " + bp.name 4004 + " is not a changeable permission type"); 4005 } 4006 } 4007 4008 @Override 4009 public void grantRuntimePermission(String packageName, String name, final int userId) { 4010 if (!sUserManager.exists(userId)) { 4011 Log.e(TAG, "No such user:" + userId); 4012 return; 4013 } 4014 4015 mContext.enforceCallingOrSelfPermission( 4016 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4017 "grantRuntimePermission"); 4018 4019 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4020 true /* requireFullPermission */, true /* checkShell */, 4021 "grantRuntimePermission"); 4022 4023 final int uid; 4024 final SettingBase sb; 4025 4026 synchronized (mPackages) { 4027 final PackageParser.Package pkg = mPackages.get(packageName); 4028 if (pkg == null) { 4029 throw new IllegalArgumentException("Unknown package: " + packageName); 4030 } 4031 4032 final BasePermission bp = mSettings.mPermissions.get(name); 4033 if (bp == null) { 4034 throw new IllegalArgumentException("Unknown permission: " + name); 4035 } 4036 4037 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4038 4039 // If a permission review is required for legacy apps we represent 4040 // their permissions as always granted runtime ones since we need 4041 // to keep the review required permission flag per user while an 4042 // install permission's state is shared across all users. 4043 if (Build.PERMISSIONS_REVIEW_REQUIRED 4044 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4045 && bp.isRuntime()) { 4046 return; 4047 } 4048 4049 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4050 sb = (SettingBase) pkg.mExtras; 4051 if (sb == null) { 4052 throw new IllegalArgumentException("Unknown package: " + packageName); 4053 } 4054 4055 final PermissionsState permissionsState = sb.getPermissionsState(); 4056 4057 final int flags = permissionsState.getPermissionFlags(name, userId); 4058 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4059 throw new SecurityException("Cannot grant system fixed permission " 4060 + name + " for package " + packageName); 4061 } 4062 4063 if (bp.isDevelopment()) { 4064 // Development permissions must be handled specially, since they are not 4065 // normal runtime permissions. For now they apply to all users. 4066 if (permissionsState.grantInstallPermission(bp) != 4067 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4068 scheduleWriteSettingsLocked(); 4069 } 4070 return; 4071 } 4072 4073 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4074 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4075 return; 4076 } 4077 4078 final int result = permissionsState.grantRuntimePermission(bp, userId); 4079 switch (result) { 4080 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4081 return; 4082 } 4083 4084 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4085 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4086 mHandler.post(new Runnable() { 4087 @Override 4088 public void run() { 4089 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4090 } 4091 }); 4092 } 4093 break; 4094 } 4095 4096 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4097 4098 // Not critical if that is lost - app has to request again. 4099 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4100 } 4101 4102 // Only need to do this if user is initialized. Otherwise it's a new user 4103 // and there are no processes running as the user yet and there's no need 4104 // to make an expensive call to remount processes for the changed permissions. 4105 if (READ_EXTERNAL_STORAGE.equals(name) 4106 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4107 final long token = Binder.clearCallingIdentity(); 4108 try { 4109 if (sUserManager.isInitialized(userId)) { 4110 MountServiceInternal mountServiceInternal = LocalServices.getService( 4111 MountServiceInternal.class); 4112 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4113 } 4114 } finally { 4115 Binder.restoreCallingIdentity(token); 4116 } 4117 } 4118 } 4119 4120 @Override 4121 public void revokeRuntimePermission(String packageName, String name, int userId) { 4122 if (!sUserManager.exists(userId)) { 4123 Log.e(TAG, "No such user:" + userId); 4124 return; 4125 } 4126 4127 mContext.enforceCallingOrSelfPermission( 4128 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4129 "revokeRuntimePermission"); 4130 4131 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4132 true /* requireFullPermission */, true /* checkShell */, 4133 "revokeRuntimePermission"); 4134 4135 final int appId; 4136 4137 synchronized (mPackages) { 4138 final PackageParser.Package pkg = mPackages.get(packageName); 4139 if (pkg == null) { 4140 throw new IllegalArgumentException("Unknown package: " + packageName); 4141 } 4142 4143 final BasePermission bp = mSettings.mPermissions.get(name); 4144 if (bp == null) { 4145 throw new IllegalArgumentException("Unknown permission: " + name); 4146 } 4147 4148 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4149 4150 // If a permission review is required for legacy apps we represent 4151 // their permissions as always granted runtime ones since we need 4152 // to keep the review required permission flag per user while an 4153 // install permission's state is shared across all users. 4154 if (Build.PERMISSIONS_REVIEW_REQUIRED 4155 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4156 && bp.isRuntime()) { 4157 return; 4158 } 4159 4160 SettingBase sb = (SettingBase) pkg.mExtras; 4161 if (sb == null) { 4162 throw new IllegalArgumentException("Unknown package: " + packageName); 4163 } 4164 4165 final PermissionsState permissionsState = sb.getPermissionsState(); 4166 4167 final int flags = permissionsState.getPermissionFlags(name, userId); 4168 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4169 throw new SecurityException("Cannot revoke system fixed permission " 4170 + name + " for package " + packageName); 4171 } 4172 4173 if (bp.isDevelopment()) { 4174 // Development permissions must be handled specially, since they are not 4175 // normal runtime permissions. For now they apply to all users. 4176 if (permissionsState.revokeInstallPermission(bp) != 4177 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4178 scheduleWriteSettingsLocked(); 4179 } 4180 return; 4181 } 4182 4183 if (permissionsState.revokeRuntimePermission(bp, userId) == 4184 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4185 return; 4186 } 4187 4188 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4189 4190 // Critical, after this call app should never have the permission. 4191 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4192 4193 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4194 } 4195 4196 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4197 } 4198 4199 @Override 4200 public void resetRuntimePermissions() { 4201 mContext.enforceCallingOrSelfPermission( 4202 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4203 "revokeRuntimePermission"); 4204 4205 int callingUid = Binder.getCallingUid(); 4206 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4207 mContext.enforceCallingOrSelfPermission( 4208 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4209 "resetRuntimePermissions"); 4210 } 4211 4212 synchronized (mPackages) { 4213 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4214 for (int userId : UserManagerService.getInstance().getUserIds()) { 4215 final int packageCount = mPackages.size(); 4216 for (int i = 0; i < packageCount; i++) { 4217 PackageParser.Package pkg = mPackages.valueAt(i); 4218 if (!(pkg.mExtras instanceof PackageSetting)) { 4219 continue; 4220 } 4221 PackageSetting ps = (PackageSetting) pkg.mExtras; 4222 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4223 } 4224 } 4225 } 4226 } 4227 4228 @Override 4229 public int getPermissionFlags(String name, String packageName, int userId) { 4230 if (!sUserManager.exists(userId)) { 4231 return 0; 4232 } 4233 4234 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4235 4236 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4237 true /* requireFullPermission */, false /* checkShell */, 4238 "getPermissionFlags"); 4239 4240 synchronized (mPackages) { 4241 final PackageParser.Package pkg = mPackages.get(packageName); 4242 if (pkg == null) { 4243 throw new IllegalArgumentException("Unknown package: " + packageName); 4244 } 4245 4246 final BasePermission bp = mSettings.mPermissions.get(name); 4247 if (bp == null) { 4248 throw new IllegalArgumentException("Unknown permission: " + name); 4249 } 4250 4251 SettingBase sb = (SettingBase) pkg.mExtras; 4252 if (sb == null) { 4253 throw new IllegalArgumentException("Unknown package: " + packageName); 4254 } 4255 4256 PermissionsState permissionsState = sb.getPermissionsState(); 4257 return permissionsState.getPermissionFlags(name, userId); 4258 } 4259 } 4260 4261 @Override 4262 public void updatePermissionFlags(String name, String packageName, int flagMask, 4263 int flagValues, int userId) { 4264 if (!sUserManager.exists(userId)) { 4265 return; 4266 } 4267 4268 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4269 4270 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4271 true /* requireFullPermission */, true /* checkShell */, 4272 "updatePermissionFlags"); 4273 4274 // Only the system can change these flags and nothing else. 4275 if (getCallingUid() != Process.SYSTEM_UID) { 4276 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4277 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4278 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4279 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4280 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4281 } 4282 4283 synchronized (mPackages) { 4284 final PackageParser.Package pkg = mPackages.get(packageName); 4285 if (pkg == null) { 4286 throw new IllegalArgumentException("Unknown package: " + packageName); 4287 } 4288 4289 final BasePermission bp = mSettings.mPermissions.get(name); 4290 if (bp == null) { 4291 throw new IllegalArgumentException("Unknown permission: " + name); 4292 } 4293 4294 SettingBase sb = (SettingBase) pkg.mExtras; 4295 if (sb == null) { 4296 throw new IllegalArgumentException("Unknown package: " + packageName); 4297 } 4298 4299 PermissionsState permissionsState = sb.getPermissionsState(); 4300 4301 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4302 4303 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4304 // Install and runtime permissions are stored in different places, 4305 // so figure out what permission changed and persist the change. 4306 if (permissionsState.getInstallPermissionState(name) != null) { 4307 scheduleWriteSettingsLocked(); 4308 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4309 || hadState) { 4310 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4311 } 4312 } 4313 } 4314 } 4315 4316 /** 4317 * Update the permission flags for all packages and runtime permissions of a user in order 4318 * to allow device or profile owner to remove POLICY_FIXED. 4319 */ 4320 @Override 4321 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4322 if (!sUserManager.exists(userId)) { 4323 return; 4324 } 4325 4326 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4327 4328 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4329 true /* requireFullPermission */, true /* checkShell */, 4330 "updatePermissionFlagsForAllApps"); 4331 4332 // Only the system can change system fixed flags. 4333 if (getCallingUid() != Process.SYSTEM_UID) { 4334 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4335 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4336 } 4337 4338 synchronized (mPackages) { 4339 boolean changed = false; 4340 final int packageCount = mPackages.size(); 4341 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4342 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4343 SettingBase sb = (SettingBase) pkg.mExtras; 4344 if (sb == null) { 4345 continue; 4346 } 4347 PermissionsState permissionsState = sb.getPermissionsState(); 4348 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4349 userId, flagMask, flagValues); 4350 } 4351 if (changed) { 4352 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4353 } 4354 } 4355 } 4356 4357 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4358 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4359 != PackageManager.PERMISSION_GRANTED 4360 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4361 != PackageManager.PERMISSION_GRANTED) { 4362 throw new SecurityException(message + " requires " 4363 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4364 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4365 } 4366 } 4367 4368 @Override 4369 public boolean shouldShowRequestPermissionRationale(String permissionName, 4370 String packageName, int userId) { 4371 if (UserHandle.getCallingUserId() != userId) { 4372 mContext.enforceCallingPermission( 4373 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4374 "canShowRequestPermissionRationale for user " + userId); 4375 } 4376 4377 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4378 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4379 return false; 4380 } 4381 4382 if (checkPermission(permissionName, packageName, userId) 4383 == PackageManager.PERMISSION_GRANTED) { 4384 return false; 4385 } 4386 4387 final int flags; 4388 4389 final long identity = Binder.clearCallingIdentity(); 4390 try { 4391 flags = getPermissionFlags(permissionName, 4392 packageName, userId); 4393 } finally { 4394 Binder.restoreCallingIdentity(identity); 4395 } 4396 4397 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4398 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4399 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4400 4401 if ((flags & fixedFlags) != 0) { 4402 return false; 4403 } 4404 4405 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4406 } 4407 4408 @Override 4409 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4410 mContext.enforceCallingOrSelfPermission( 4411 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4412 "addOnPermissionsChangeListener"); 4413 4414 synchronized (mPackages) { 4415 mOnPermissionChangeListeners.addListenerLocked(listener); 4416 } 4417 } 4418 4419 @Override 4420 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4421 synchronized (mPackages) { 4422 mOnPermissionChangeListeners.removeListenerLocked(listener); 4423 } 4424 } 4425 4426 @Override 4427 public boolean isProtectedBroadcast(String actionName) { 4428 synchronized (mPackages) { 4429 if (mProtectedBroadcasts.contains(actionName)) { 4430 return true; 4431 } else if (actionName != null) { 4432 // TODO: remove these terrible hacks 4433 if (actionName.startsWith("android.net.netmon.lingerExpired") 4434 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4435 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4436 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4437 return true; 4438 } 4439 } 4440 } 4441 return false; 4442 } 4443 4444 @Override 4445 public int checkSignatures(String pkg1, String pkg2) { 4446 synchronized (mPackages) { 4447 final PackageParser.Package p1 = mPackages.get(pkg1); 4448 final PackageParser.Package p2 = mPackages.get(pkg2); 4449 if (p1 == null || p1.mExtras == null 4450 || p2 == null || p2.mExtras == null) { 4451 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4452 } 4453 return compareSignatures(p1.mSignatures, p2.mSignatures); 4454 } 4455 } 4456 4457 @Override 4458 public int checkUidSignatures(int uid1, int uid2) { 4459 // Map to base uids. 4460 uid1 = UserHandle.getAppId(uid1); 4461 uid2 = UserHandle.getAppId(uid2); 4462 // reader 4463 synchronized (mPackages) { 4464 Signature[] s1; 4465 Signature[] s2; 4466 Object obj = mSettings.getUserIdLPr(uid1); 4467 if (obj != null) { 4468 if (obj instanceof SharedUserSetting) { 4469 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4470 } else if (obj instanceof PackageSetting) { 4471 s1 = ((PackageSetting)obj).signatures.mSignatures; 4472 } else { 4473 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4474 } 4475 } else { 4476 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4477 } 4478 obj = mSettings.getUserIdLPr(uid2); 4479 if (obj != null) { 4480 if (obj instanceof SharedUserSetting) { 4481 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4482 } else if (obj instanceof PackageSetting) { 4483 s2 = ((PackageSetting)obj).signatures.mSignatures; 4484 } else { 4485 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4486 } 4487 } else { 4488 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4489 } 4490 return compareSignatures(s1, s2); 4491 } 4492 } 4493 4494 /** 4495 * This method should typically only be used when granting or revoking 4496 * permissions, since the app may immediately restart after this call. 4497 * <p> 4498 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4499 * guard your work against the app being relaunched. 4500 */ 4501 private void killUid(int appId, int userId, String reason) { 4502 final long identity = Binder.clearCallingIdentity(); 4503 try { 4504 IActivityManager am = ActivityManagerNative.getDefault(); 4505 if (am != null) { 4506 try { 4507 am.killUid(appId, userId, reason); 4508 } catch (RemoteException e) { 4509 /* ignore - same process */ 4510 } 4511 } 4512 } finally { 4513 Binder.restoreCallingIdentity(identity); 4514 } 4515 } 4516 4517 /** 4518 * Compares two sets of signatures. Returns: 4519 * <br /> 4520 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4521 * <br /> 4522 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4523 * <br /> 4524 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4525 * <br /> 4526 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4527 * <br /> 4528 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4529 */ 4530 static int compareSignatures(Signature[] s1, Signature[] s2) { 4531 if (s1 == null) { 4532 return s2 == null 4533 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4534 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4535 } 4536 4537 if (s2 == null) { 4538 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4539 } 4540 4541 if (s1.length != s2.length) { 4542 return PackageManager.SIGNATURE_NO_MATCH; 4543 } 4544 4545 // Since both signature sets are of size 1, we can compare without HashSets. 4546 if (s1.length == 1) { 4547 return s1[0].equals(s2[0]) ? 4548 PackageManager.SIGNATURE_MATCH : 4549 PackageManager.SIGNATURE_NO_MATCH; 4550 } 4551 4552 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4553 for (Signature sig : s1) { 4554 set1.add(sig); 4555 } 4556 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4557 for (Signature sig : s2) { 4558 set2.add(sig); 4559 } 4560 // Make sure s2 contains all signatures in s1. 4561 if (set1.equals(set2)) { 4562 return PackageManager.SIGNATURE_MATCH; 4563 } 4564 return PackageManager.SIGNATURE_NO_MATCH; 4565 } 4566 4567 /** 4568 * If the database version for this type of package (internal storage or 4569 * external storage) is less than the version where package signatures 4570 * were updated, return true. 4571 */ 4572 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4573 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4574 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4575 } 4576 4577 /** 4578 * Used for backward compatibility to make sure any packages with 4579 * certificate chains get upgraded to the new style. {@code existingSigs} 4580 * will be in the old format (since they were stored on disk from before the 4581 * system upgrade) and {@code scannedSigs} will be in the newer format. 4582 */ 4583 private int compareSignaturesCompat(PackageSignatures existingSigs, 4584 PackageParser.Package scannedPkg) { 4585 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4586 return PackageManager.SIGNATURE_NO_MATCH; 4587 } 4588 4589 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4590 for (Signature sig : existingSigs.mSignatures) { 4591 existingSet.add(sig); 4592 } 4593 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4594 for (Signature sig : scannedPkg.mSignatures) { 4595 try { 4596 Signature[] chainSignatures = sig.getChainSignatures(); 4597 for (Signature chainSig : chainSignatures) { 4598 scannedCompatSet.add(chainSig); 4599 } 4600 } catch (CertificateEncodingException e) { 4601 scannedCompatSet.add(sig); 4602 } 4603 } 4604 /* 4605 * Make sure the expanded scanned set contains all signatures in the 4606 * existing one. 4607 */ 4608 if (scannedCompatSet.equals(existingSet)) { 4609 // Migrate the old signatures to the new scheme. 4610 existingSigs.assignSignatures(scannedPkg.mSignatures); 4611 // The new KeySets will be re-added later in the scanning process. 4612 synchronized (mPackages) { 4613 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4614 } 4615 return PackageManager.SIGNATURE_MATCH; 4616 } 4617 return PackageManager.SIGNATURE_NO_MATCH; 4618 } 4619 4620 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4621 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4622 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4623 } 4624 4625 private int compareSignaturesRecover(PackageSignatures existingSigs, 4626 PackageParser.Package scannedPkg) { 4627 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4628 return PackageManager.SIGNATURE_NO_MATCH; 4629 } 4630 4631 String msg = null; 4632 try { 4633 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4634 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4635 + scannedPkg.packageName); 4636 return PackageManager.SIGNATURE_MATCH; 4637 } 4638 } catch (CertificateException e) { 4639 msg = e.getMessage(); 4640 } 4641 4642 logCriticalInfo(Log.INFO, 4643 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4644 return PackageManager.SIGNATURE_NO_MATCH; 4645 } 4646 4647 @Override 4648 public List<String> getAllPackages() { 4649 synchronized (mPackages) { 4650 return new ArrayList<String>(mPackages.keySet()); 4651 } 4652 } 4653 4654 @Override 4655 public String[] getPackagesForUid(int uid) { 4656 uid = UserHandle.getAppId(uid); 4657 // reader 4658 synchronized (mPackages) { 4659 Object obj = mSettings.getUserIdLPr(uid); 4660 if (obj instanceof SharedUserSetting) { 4661 final SharedUserSetting sus = (SharedUserSetting) obj; 4662 final int N = sus.packages.size(); 4663 final String[] res = new String[N]; 4664 final Iterator<PackageSetting> it = sus.packages.iterator(); 4665 int i = 0; 4666 while (it.hasNext()) { 4667 res[i++] = it.next().name; 4668 } 4669 return res; 4670 } else if (obj instanceof PackageSetting) { 4671 final PackageSetting ps = (PackageSetting) obj; 4672 return new String[] { ps.name }; 4673 } 4674 } 4675 return null; 4676 } 4677 4678 @Override 4679 public String getNameForUid(int uid) { 4680 // reader 4681 synchronized (mPackages) { 4682 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4683 if (obj instanceof SharedUserSetting) { 4684 final SharedUserSetting sus = (SharedUserSetting) obj; 4685 return sus.name + ":" + sus.userId; 4686 } else if (obj instanceof PackageSetting) { 4687 final PackageSetting ps = (PackageSetting) obj; 4688 return ps.name; 4689 } 4690 } 4691 return null; 4692 } 4693 4694 @Override 4695 public int getUidForSharedUser(String sharedUserName) { 4696 if(sharedUserName == null) { 4697 return -1; 4698 } 4699 // reader 4700 synchronized (mPackages) { 4701 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4702 if (suid == null) { 4703 return -1; 4704 } 4705 return suid.userId; 4706 } 4707 } 4708 4709 @Override 4710 public int getFlagsForUid(int uid) { 4711 synchronized (mPackages) { 4712 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4713 if (obj instanceof SharedUserSetting) { 4714 final SharedUserSetting sus = (SharedUserSetting) obj; 4715 return sus.pkgFlags; 4716 } else if (obj instanceof PackageSetting) { 4717 final PackageSetting ps = (PackageSetting) obj; 4718 return ps.pkgFlags; 4719 } 4720 } 4721 return 0; 4722 } 4723 4724 @Override 4725 public int getPrivateFlagsForUid(int uid) { 4726 synchronized (mPackages) { 4727 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4728 if (obj instanceof SharedUserSetting) { 4729 final SharedUserSetting sus = (SharedUserSetting) obj; 4730 return sus.pkgPrivateFlags; 4731 } else if (obj instanceof PackageSetting) { 4732 final PackageSetting ps = (PackageSetting) obj; 4733 return ps.pkgPrivateFlags; 4734 } 4735 } 4736 return 0; 4737 } 4738 4739 @Override 4740 public boolean isUidPrivileged(int uid) { 4741 uid = UserHandle.getAppId(uid); 4742 // reader 4743 synchronized (mPackages) { 4744 Object obj = mSettings.getUserIdLPr(uid); 4745 if (obj instanceof SharedUserSetting) { 4746 final SharedUserSetting sus = (SharedUserSetting) obj; 4747 final Iterator<PackageSetting> it = sus.packages.iterator(); 4748 while (it.hasNext()) { 4749 if (it.next().isPrivileged()) { 4750 return true; 4751 } 4752 } 4753 } else if (obj instanceof PackageSetting) { 4754 final PackageSetting ps = (PackageSetting) obj; 4755 return ps.isPrivileged(); 4756 } 4757 } 4758 return false; 4759 } 4760 4761 @Override 4762 public String[] getAppOpPermissionPackages(String permissionName) { 4763 synchronized (mPackages) { 4764 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4765 if (pkgs == null) { 4766 return null; 4767 } 4768 return pkgs.toArray(new String[pkgs.size()]); 4769 } 4770 } 4771 4772 @Override 4773 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4774 int flags, int userId) { 4775 try { 4776 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4777 4778 if (!sUserManager.exists(userId)) return null; 4779 flags = updateFlagsForResolve(flags, userId, intent); 4780 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4781 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4782 4783 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4784 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4785 flags, userId); 4786 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4787 4788 final ResolveInfo bestChoice = 4789 chooseBestActivity(intent, resolvedType, flags, query, userId); 4790 4791 if (isEphemeralAllowed(intent, query, userId)) { 4792 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4793 final EphemeralResolveInfo ai = 4794 getEphemeralResolveInfo(intent, resolvedType, userId); 4795 if (ai != null) { 4796 if (DEBUG_EPHEMERAL) { 4797 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4798 } 4799 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4800 bestChoice.ephemeralResolveInfo = ai; 4801 } 4802 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4803 } 4804 return bestChoice; 4805 } finally { 4806 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4807 } 4808 } 4809 4810 @Override 4811 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4812 IntentFilter filter, int match, ComponentName activity) { 4813 final int userId = UserHandle.getCallingUserId(); 4814 if (DEBUG_PREFERRED) { 4815 Log.v(TAG, "setLastChosenActivity intent=" + intent 4816 + " resolvedType=" + resolvedType 4817 + " flags=" + flags 4818 + " filter=" + filter 4819 + " match=" + match 4820 + " activity=" + activity); 4821 filter.dump(new PrintStreamPrinter(System.out), " "); 4822 } 4823 intent.setComponent(null); 4824 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4825 userId); 4826 // Find any earlier preferred or last chosen entries and nuke them 4827 findPreferredActivity(intent, resolvedType, 4828 flags, query, 0, false, true, false, userId); 4829 // Add the new activity as the last chosen for this filter 4830 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4831 "Setting last chosen"); 4832 } 4833 4834 @Override 4835 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4836 final int userId = UserHandle.getCallingUserId(); 4837 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4838 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4839 userId); 4840 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4841 false, false, false, userId); 4842 } 4843 4844 4845 private boolean isEphemeralAllowed( 4846 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4847 // Short circuit and return early if possible. 4848 if (DISABLE_EPHEMERAL_APPS) { 4849 return false; 4850 } 4851 final int callingUser = UserHandle.getCallingUserId(); 4852 if (callingUser != UserHandle.USER_SYSTEM) { 4853 return false; 4854 } 4855 if (mEphemeralResolverConnection == null) { 4856 return false; 4857 } 4858 if (intent.getComponent() != null) { 4859 return false; 4860 } 4861 if (intent.getPackage() != null) { 4862 return false; 4863 } 4864 final boolean isWebUri = hasWebURI(intent); 4865 if (!isWebUri) { 4866 return false; 4867 } 4868 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4869 synchronized (mPackages) { 4870 final int count = resolvedActivites.size(); 4871 for (int n = 0; n < count; n++) { 4872 ResolveInfo info = resolvedActivites.get(n); 4873 String packageName = info.activityInfo.packageName; 4874 PackageSetting ps = mSettings.mPackages.get(packageName); 4875 if (ps != null) { 4876 // Try to get the status from User settings first 4877 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4878 int status = (int) (packedStatus >> 32); 4879 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4880 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4881 if (DEBUG_EPHEMERAL) { 4882 Slog.v(TAG, "DENY ephemeral apps;" 4883 + " pkg: " + packageName + ", status: " + status); 4884 } 4885 return false; 4886 } 4887 } 4888 } 4889 } 4890 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4891 return true; 4892 } 4893 4894 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4895 int userId) { 4896 MessageDigest digest = null; 4897 try { 4898 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4899 } catch (NoSuchAlgorithmException e) { 4900 // If we can't create a digest, ignore ephemeral apps. 4901 return null; 4902 } 4903 4904 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4905 final byte[] digestBytes = digest.digest(hostBytes); 4906 int shaPrefix = 4907 digestBytes[0] << 24 4908 | digestBytes[1] << 16 4909 | digestBytes[2] << 8 4910 | digestBytes[3] << 0; 4911 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4912 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4913 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4914 // No hash prefix match; there are no ephemeral apps for this domain. 4915 return null; 4916 } 4917 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4918 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4919 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4920 continue; 4921 } 4922 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4923 // No filters; this should never happen. 4924 if (filters.isEmpty()) { 4925 continue; 4926 } 4927 // We have a domain match; resolve the filters to see if anything matches. 4928 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4929 for (int j = filters.size() - 1; j >= 0; --j) { 4930 final EphemeralResolveIntentInfo intentInfo = 4931 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4932 ephemeralResolver.addFilter(intentInfo); 4933 } 4934 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4935 intent, resolvedType, false /*defaultOnly*/, userId); 4936 if (!matchedResolveInfoList.isEmpty()) { 4937 return matchedResolveInfoList.get(0); 4938 } 4939 } 4940 // Hash or filter mis-match; no ephemeral apps for this domain. 4941 return null; 4942 } 4943 4944 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4945 int flags, List<ResolveInfo> query, int userId) { 4946 if (query != null) { 4947 final int N = query.size(); 4948 if (N == 1) { 4949 return query.get(0); 4950 } else if (N > 1) { 4951 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4952 // If there is more than one activity with the same priority, 4953 // then let the user decide between them. 4954 ResolveInfo r0 = query.get(0); 4955 ResolveInfo r1 = query.get(1); 4956 if (DEBUG_INTENT_MATCHING || debug) { 4957 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4958 + r1.activityInfo.name + "=" + r1.priority); 4959 } 4960 // If the first activity has a higher priority, or a different 4961 // default, then it is always desirable to pick it. 4962 if (r0.priority != r1.priority 4963 || r0.preferredOrder != r1.preferredOrder 4964 || r0.isDefault != r1.isDefault) { 4965 return query.get(0); 4966 } 4967 // If we have saved a preference for a preferred activity for 4968 // this Intent, use that. 4969 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4970 flags, query, r0.priority, true, false, debug, userId); 4971 if (ri != null) { 4972 return ri; 4973 } 4974 ri = new ResolveInfo(mResolveInfo); 4975 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4976 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 4977 ri.activityInfo.applicationInfo = new ApplicationInfo( 4978 ri.activityInfo.applicationInfo); 4979 if (userId != 0) { 4980 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4981 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4982 } 4983 // Make sure that the resolver is displayable in car mode 4984 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4985 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4986 return ri; 4987 } 4988 } 4989 return null; 4990 } 4991 4992 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4993 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4994 final int N = query.size(); 4995 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4996 .get(userId); 4997 // Get the list of persistent preferred activities that handle the intent 4998 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4999 List<PersistentPreferredActivity> pprefs = ppir != null 5000 ? ppir.queryIntent(intent, resolvedType, 5001 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5002 : null; 5003 if (pprefs != null && pprefs.size() > 0) { 5004 final int M = pprefs.size(); 5005 for (int i=0; i<M; i++) { 5006 final PersistentPreferredActivity ppa = pprefs.get(i); 5007 if (DEBUG_PREFERRED || debug) { 5008 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5009 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5010 + "\n component=" + ppa.mComponent); 5011 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5012 } 5013 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5014 flags | MATCH_DISABLED_COMPONENTS, userId); 5015 if (DEBUG_PREFERRED || debug) { 5016 Slog.v(TAG, "Found persistent preferred activity:"); 5017 if (ai != null) { 5018 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5019 } else { 5020 Slog.v(TAG, " null"); 5021 } 5022 } 5023 if (ai == null) { 5024 // This previously registered persistent preferred activity 5025 // component is no longer known. Ignore it and do NOT remove it. 5026 continue; 5027 } 5028 for (int j=0; j<N; j++) { 5029 final ResolveInfo ri = query.get(j); 5030 if (!ri.activityInfo.applicationInfo.packageName 5031 .equals(ai.applicationInfo.packageName)) { 5032 continue; 5033 } 5034 if (!ri.activityInfo.name.equals(ai.name)) { 5035 continue; 5036 } 5037 // Found a persistent preference that can handle the intent. 5038 if (DEBUG_PREFERRED || debug) { 5039 Slog.v(TAG, "Returning persistent preferred activity: " + 5040 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5041 } 5042 return ri; 5043 } 5044 } 5045 } 5046 return null; 5047 } 5048 5049 // TODO: handle preferred activities missing while user has amnesia 5050 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5051 List<ResolveInfo> query, int priority, boolean always, 5052 boolean removeMatches, boolean debug, int userId) { 5053 if (!sUserManager.exists(userId)) return null; 5054 flags = updateFlagsForResolve(flags, userId, intent); 5055 // writer 5056 synchronized (mPackages) { 5057 if (intent.getSelector() != null) { 5058 intent = intent.getSelector(); 5059 } 5060 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5061 5062 // Try to find a matching persistent preferred activity. 5063 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5064 debug, userId); 5065 5066 // If a persistent preferred activity matched, use it. 5067 if (pri != null) { 5068 return pri; 5069 } 5070 5071 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5072 // Get the list of preferred activities that handle the intent 5073 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5074 List<PreferredActivity> prefs = pir != null 5075 ? pir.queryIntent(intent, resolvedType, 5076 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5077 : null; 5078 if (prefs != null && prefs.size() > 0) { 5079 boolean changed = false; 5080 try { 5081 // First figure out how good the original match set is. 5082 // We will only allow preferred activities that came 5083 // from the same match quality. 5084 int match = 0; 5085 5086 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5087 5088 final int N = query.size(); 5089 for (int j=0; j<N; j++) { 5090 final ResolveInfo ri = query.get(j); 5091 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5092 + ": 0x" + Integer.toHexString(match)); 5093 if (ri.match > match) { 5094 match = ri.match; 5095 } 5096 } 5097 5098 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5099 + Integer.toHexString(match)); 5100 5101 match &= IntentFilter.MATCH_CATEGORY_MASK; 5102 final int M = prefs.size(); 5103 for (int i=0; i<M; i++) { 5104 final PreferredActivity pa = prefs.get(i); 5105 if (DEBUG_PREFERRED || debug) { 5106 Slog.v(TAG, "Checking PreferredActivity ds=" 5107 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5108 + "\n component=" + pa.mPref.mComponent); 5109 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5110 } 5111 if (pa.mPref.mMatch != match) { 5112 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5113 + Integer.toHexString(pa.mPref.mMatch)); 5114 continue; 5115 } 5116 // If it's not an "always" type preferred activity and that's what we're 5117 // looking for, skip it. 5118 if (always && !pa.mPref.mAlways) { 5119 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5120 continue; 5121 } 5122 final ActivityInfo ai = getActivityInfo( 5123 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5124 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5125 userId); 5126 if (DEBUG_PREFERRED || debug) { 5127 Slog.v(TAG, "Found preferred activity:"); 5128 if (ai != null) { 5129 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5130 } else { 5131 Slog.v(TAG, " null"); 5132 } 5133 } 5134 if (ai == null) { 5135 // This previously registered preferred activity 5136 // component is no longer known. Most likely an update 5137 // to the app was installed and in the new version this 5138 // component no longer exists. Clean it up by removing 5139 // it from the preferred activities list, and skip it. 5140 Slog.w(TAG, "Removing dangling preferred activity: " 5141 + pa.mPref.mComponent); 5142 pir.removeFilter(pa); 5143 changed = true; 5144 continue; 5145 } 5146 for (int j=0; j<N; j++) { 5147 final ResolveInfo ri = query.get(j); 5148 if (!ri.activityInfo.applicationInfo.packageName 5149 .equals(ai.applicationInfo.packageName)) { 5150 continue; 5151 } 5152 if (!ri.activityInfo.name.equals(ai.name)) { 5153 continue; 5154 } 5155 5156 if (removeMatches) { 5157 pir.removeFilter(pa); 5158 changed = true; 5159 if (DEBUG_PREFERRED) { 5160 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5161 } 5162 break; 5163 } 5164 5165 // Okay we found a previously set preferred or last chosen app. 5166 // If the result set is different from when this 5167 // was created, we need to clear it and re-ask the 5168 // user their preference, if we're looking for an "always" type entry. 5169 if (always && !pa.mPref.sameSet(query)) { 5170 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5171 + intent + " type " + resolvedType); 5172 if (DEBUG_PREFERRED) { 5173 Slog.v(TAG, "Removing preferred activity since set changed " 5174 + pa.mPref.mComponent); 5175 } 5176 pir.removeFilter(pa); 5177 // Re-add the filter as a "last chosen" entry (!always) 5178 PreferredActivity lastChosen = new PreferredActivity( 5179 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5180 pir.addFilter(lastChosen); 5181 changed = true; 5182 return null; 5183 } 5184 5185 // Yay! Either the set matched or we're looking for the last chosen 5186 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5187 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5188 return ri; 5189 } 5190 } 5191 } finally { 5192 if (changed) { 5193 if (DEBUG_PREFERRED) { 5194 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5195 } 5196 scheduleWritePackageRestrictionsLocked(userId); 5197 } 5198 } 5199 } 5200 } 5201 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5202 return null; 5203 } 5204 5205 /* 5206 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5207 */ 5208 @Override 5209 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5210 int targetUserId) { 5211 mContext.enforceCallingOrSelfPermission( 5212 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5213 List<CrossProfileIntentFilter> matches = 5214 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5215 if (matches != null) { 5216 int size = matches.size(); 5217 for (int i = 0; i < size; i++) { 5218 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5219 } 5220 } 5221 if (hasWebURI(intent)) { 5222 // cross-profile app linking works only towards the parent. 5223 final UserInfo parent = getProfileParent(sourceUserId); 5224 synchronized(mPackages) { 5225 int flags = updateFlagsForResolve(0, parent.id, intent); 5226 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5227 intent, resolvedType, flags, sourceUserId, parent.id); 5228 return xpDomainInfo != null; 5229 } 5230 } 5231 return false; 5232 } 5233 5234 private UserInfo getProfileParent(int userId) { 5235 final long identity = Binder.clearCallingIdentity(); 5236 try { 5237 return sUserManager.getProfileParent(userId); 5238 } finally { 5239 Binder.restoreCallingIdentity(identity); 5240 } 5241 } 5242 5243 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5244 String resolvedType, int userId) { 5245 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5246 if (resolver != null) { 5247 return resolver.queryIntent(intent, resolvedType, false, userId); 5248 } 5249 return null; 5250 } 5251 5252 @Override 5253 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5254 String resolvedType, int flags, int userId) { 5255 try { 5256 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5257 5258 return new ParceledListSlice<>( 5259 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5260 } finally { 5261 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5262 } 5263 } 5264 5265 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5266 String resolvedType, int flags, int userId) { 5267 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5268 flags = updateFlagsForResolve(flags, userId, intent); 5269 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5270 false /* requireFullPermission */, false /* checkShell */, 5271 "query intent activities"); 5272 ComponentName comp = intent.getComponent(); 5273 if (comp == null) { 5274 if (intent.getSelector() != null) { 5275 intent = intent.getSelector(); 5276 comp = intent.getComponent(); 5277 } 5278 } 5279 5280 if (comp != null) { 5281 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5282 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5283 if (ai != null) { 5284 final ResolveInfo ri = new ResolveInfo(); 5285 ri.activityInfo = ai; 5286 list.add(ri); 5287 } 5288 return list; 5289 } 5290 5291 // reader 5292 synchronized (mPackages) { 5293 final String pkgName = intent.getPackage(); 5294 if (pkgName == null) { 5295 List<CrossProfileIntentFilter> matchingFilters = 5296 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5297 // Check for results that need to skip the current profile. 5298 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5299 resolvedType, flags, userId); 5300 if (xpResolveInfo != null) { 5301 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5302 result.add(xpResolveInfo); 5303 return filterIfNotSystemUser(result, userId); 5304 } 5305 5306 // Check for results in the current profile. 5307 List<ResolveInfo> result = mActivities.queryIntent( 5308 intent, resolvedType, flags, userId); 5309 result = filterIfNotSystemUser(result, userId); 5310 5311 // Check for cross profile results. 5312 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5313 xpResolveInfo = queryCrossProfileIntents( 5314 matchingFilters, intent, resolvedType, flags, userId, 5315 hasNonNegativePriorityResult); 5316 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5317 boolean isVisibleToUser = filterIfNotSystemUser( 5318 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5319 if (isVisibleToUser) { 5320 result.add(xpResolveInfo); 5321 Collections.sort(result, mResolvePrioritySorter); 5322 } 5323 } 5324 if (hasWebURI(intent)) { 5325 CrossProfileDomainInfo xpDomainInfo = null; 5326 final UserInfo parent = getProfileParent(userId); 5327 if (parent != null) { 5328 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5329 flags, userId, parent.id); 5330 } 5331 if (xpDomainInfo != null) { 5332 if (xpResolveInfo != null) { 5333 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5334 // in the result. 5335 result.remove(xpResolveInfo); 5336 } 5337 if (result.size() == 0) { 5338 result.add(xpDomainInfo.resolveInfo); 5339 return result; 5340 } 5341 } else if (result.size() <= 1) { 5342 return result; 5343 } 5344 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5345 xpDomainInfo, userId); 5346 Collections.sort(result, mResolvePrioritySorter); 5347 } 5348 return result; 5349 } 5350 final PackageParser.Package pkg = mPackages.get(pkgName); 5351 if (pkg != null) { 5352 return filterIfNotSystemUser( 5353 mActivities.queryIntentForPackage( 5354 intent, resolvedType, flags, pkg.activities, userId), 5355 userId); 5356 } 5357 return new ArrayList<ResolveInfo>(); 5358 } 5359 } 5360 5361 private static class CrossProfileDomainInfo { 5362 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5363 ResolveInfo resolveInfo; 5364 /* Best domain verification status of the activities found in the other profile */ 5365 int bestDomainVerificationStatus; 5366 } 5367 5368 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5369 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5370 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5371 sourceUserId)) { 5372 return null; 5373 } 5374 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5375 resolvedType, flags, parentUserId); 5376 5377 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5378 return null; 5379 } 5380 CrossProfileDomainInfo result = null; 5381 int size = resultTargetUser.size(); 5382 for (int i = 0; i < size; i++) { 5383 ResolveInfo riTargetUser = resultTargetUser.get(i); 5384 // Intent filter verification is only for filters that specify a host. So don't return 5385 // those that handle all web uris. 5386 if (riTargetUser.handleAllWebDataURI) { 5387 continue; 5388 } 5389 String packageName = riTargetUser.activityInfo.packageName; 5390 PackageSetting ps = mSettings.mPackages.get(packageName); 5391 if (ps == null) { 5392 continue; 5393 } 5394 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5395 int status = (int)(verificationState >> 32); 5396 if (result == null) { 5397 result = new CrossProfileDomainInfo(); 5398 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5399 sourceUserId, parentUserId); 5400 result.bestDomainVerificationStatus = status; 5401 } else { 5402 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5403 result.bestDomainVerificationStatus); 5404 } 5405 } 5406 // Don't consider matches with status NEVER across profiles. 5407 if (result != null && result.bestDomainVerificationStatus 5408 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5409 return null; 5410 } 5411 return result; 5412 } 5413 5414 /** 5415 * Verification statuses are ordered from the worse to the best, except for 5416 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5417 */ 5418 private int bestDomainVerificationStatus(int status1, int status2) { 5419 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5420 return status2; 5421 } 5422 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5423 return status1; 5424 } 5425 return (int) MathUtils.max(status1, status2); 5426 } 5427 5428 private boolean isUserEnabled(int userId) { 5429 long callingId = Binder.clearCallingIdentity(); 5430 try { 5431 UserInfo userInfo = sUserManager.getUserInfo(userId); 5432 return userInfo != null && userInfo.isEnabled(); 5433 } finally { 5434 Binder.restoreCallingIdentity(callingId); 5435 } 5436 } 5437 5438 /** 5439 * Filter out activities with systemUserOnly flag set, when current user is not System. 5440 * 5441 * @return filtered list 5442 */ 5443 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5444 if (userId == UserHandle.USER_SYSTEM) { 5445 return resolveInfos; 5446 } 5447 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5448 ResolveInfo info = resolveInfos.get(i); 5449 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5450 resolveInfos.remove(i); 5451 } 5452 } 5453 return resolveInfos; 5454 } 5455 5456 /** 5457 * @param resolveInfos list of resolve infos in descending priority order 5458 * @return if the list contains a resolve info with non-negative priority 5459 */ 5460 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5461 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5462 } 5463 5464 private static boolean hasWebURI(Intent intent) { 5465 if (intent.getData() == null) { 5466 return false; 5467 } 5468 final String scheme = intent.getScheme(); 5469 if (TextUtils.isEmpty(scheme)) { 5470 return false; 5471 } 5472 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5473 } 5474 5475 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5476 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5477 int userId) { 5478 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5479 5480 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5481 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5482 candidates.size()); 5483 } 5484 5485 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5486 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5487 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5488 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5489 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5490 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5491 5492 synchronized (mPackages) { 5493 final int count = candidates.size(); 5494 // First, try to use linked apps. Partition the candidates into four lists: 5495 // one for the final results, one for the "do not use ever", one for "undefined status" 5496 // and finally one for "browser app type". 5497 for (int n=0; n<count; n++) { 5498 ResolveInfo info = candidates.get(n); 5499 String packageName = info.activityInfo.packageName; 5500 PackageSetting ps = mSettings.mPackages.get(packageName); 5501 if (ps != null) { 5502 // Add to the special match all list (Browser use case) 5503 if (info.handleAllWebDataURI) { 5504 matchAllList.add(info); 5505 continue; 5506 } 5507 // Try to get the status from User settings first 5508 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5509 int status = (int)(packedStatus >> 32); 5510 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5511 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5512 if (DEBUG_DOMAIN_VERIFICATION) { 5513 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5514 + " : linkgen=" + linkGeneration); 5515 } 5516 // Use link-enabled generation as preferredOrder, i.e. 5517 // prefer newly-enabled over earlier-enabled. 5518 info.preferredOrder = linkGeneration; 5519 alwaysList.add(info); 5520 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5521 if (DEBUG_DOMAIN_VERIFICATION) { 5522 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5523 } 5524 neverList.add(info); 5525 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5526 if (DEBUG_DOMAIN_VERIFICATION) { 5527 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5528 } 5529 alwaysAskList.add(info); 5530 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5531 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5532 if (DEBUG_DOMAIN_VERIFICATION) { 5533 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5534 } 5535 undefinedList.add(info); 5536 } 5537 } 5538 } 5539 5540 // We'll want to include browser possibilities in a few cases 5541 boolean includeBrowser = false; 5542 5543 // First try to add the "always" resolution(s) for the current user, if any 5544 if (alwaysList.size() > 0) { 5545 result.addAll(alwaysList); 5546 } else { 5547 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5548 result.addAll(undefinedList); 5549 // Maybe add one for the other profile. 5550 if (xpDomainInfo != null && ( 5551 xpDomainInfo.bestDomainVerificationStatus 5552 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5553 result.add(xpDomainInfo.resolveInfo); 5554 } 5555 includeBrowser = true; 5556 } 5557 5558 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5559 // If there were 'always' entries their preferred order has been set, so we also 5560 // back that off to make the alternatives equivalent 5561 if (alwaysAskList.size() > 0) { 5562 for (ResolveInfo i : result) { 5563 i.preferredOrder = 0; 5564 } 5565 result.addAll(alwaysAskList); 5566 includeBrowser = true; 5567 } 5568 5569 if (includeBrowser) { 5570 // Also add browsers (all of them or only the default one) 5571 if (DEBUG_DOMAIN_VERIFICATION) { 5572 Slog.v(TAG, " ...including browsers in candidate set"); 5573 } 5574 if ((matchFlags & MATCH_ALL) != 0) { 5575 result.addAll(matchAllList); 5576 } else { 5577 // Browser/generic handling case. If there's a default browser, go straight 5578 // to that (but only if there is no other higher-priority match). 5579 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5580 int maxMatchPrio = 0; 5581 ResolveInfo defaultBrowserMatch = null; 5582 final int numCandidates = matchAllList.size(); 5583 for (int n = 0; n < numCandidates; n++) { 5584 ResolveInfo info = matchAllList.get(n); 5585 // track the highest overall match priority... 5586 if (info.priority > maxMatchPrio) { 5587 maxMatchPrio = info.priority; 5588 } 5589 // ...and the highest-priority default browser match 5590 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5591 if (defaultBrowserMatch == null 5592 || (defaultBrowserMatch.priority < info.priority)) { 5593 if (debug) { 5594 Slog.v(TAG, "Considering default browser match " + info); 5595 } 5596 defaultBrowserMatch = info; 5597 } 5598 } 5599 } 5600 if (defaultBrowserMatch != null 5601 && defaultBrowserMatch.priority >= maxMatchPrio 5602 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5603 { 5604 if (debug) { 5605 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5606 } 5607 result.add(defaultBrowserMatch); 5608 } else { 5609 result.addAll(matchAllList); 5610 } 5611 } 5612 5613 // If there is nothing selected, add all candidates and remove the ones that the user 5614 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5615 if (result.size() == 0) { 5616 result.addAll(candidates); 5617 result.removeAll(neverList); 5618 } 5619 } 5620 } 5621 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5622 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5623 result.size()); 5624 for (ResolveInfo info : result) { 5625 Slog.v(TAG, " + " + info.activityInfo); 5626 } 5627 } 5628 return result; 5629 } 5630 5631 // Returns a packed value as a long: 5632 // 5633 // high 'int'-sized word: link status: undefined/ask/never/always. 5634 // low 'int'-sized word: relative priority among 'always' results. 5635 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5636 long result = ps.getDomainVerificationStatusForUser(userId); 5637 // if none available, get the master status 5638 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5639 if (ps.getIntentFilterVerificationInfo() != null) { 5640 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5641 } 5642 } 5643 return result; 5644 } 5645 5646 private ResolveInfo querySkipCurrentProfileIntents( 5647 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5648 int flags, int sourceUserId) { 5649 if (matchingFilters != null) { 5650 int size = matchingFilters.size(); 5651 for (int i = 0; i < size; i ++) { 5652 CrossProfileIntentFilter filter = matchingFilters.get(i); 5653 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5654 // Checking if there are activities in the target user that can handle the 5655 // intent. 5656 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5657 resolvedType, flags, sourceUserId); 5658 if (resolveInfo != null) { 5659 return resolveInfo; 5660 } 5661 } 5662 } 5663 } 5664 return null; 5665 } 5666 5667 // Return matching ResolveInfo in target user if any. 5668 private ResolveInfo queryCrossProfileIntents( 5669 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5670 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5671 if (matchingFilters != null) { 5672 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5673 // match the same intent. For performance reasons, it is better not to 5674 // run queryIntent twice for the same userId 5675 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5676 int size = matchingFilters.size(); 5677 for (int i = 0; i < size; i++) { 5678 CrossProfileIntentFilter filter = matchingFilters.get(i); 5679 int targetUserId = filter.getTargetUserId(); 5680 boolean skipCurrentProfile = 5681 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5682 boolean skipCurrentProfileIfNoMatchFound = 5683 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5684 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5685 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5686 // Checking if there are activities in the target user that can handle the 5687 // intent. 5688 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5689 resolvedType, flags, sourceUserId); 5690 if (resolveInfo != null) return resolveInfo; 5691 alreadyTriedUserIds.put(targetUserId, true); 5692 } 5693 } 5694 } 5695 return null; 5696 } 5697 5698 /** 5699 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5700 * will forward the intent to the filter's target user. 5701 * Otherwise, returns null. 5702 */ 5703 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5704 String resolvedType, int flags, int sourceUserId) { 5705 int targetUserId = filter.getTargetUserId(); 5706 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5707 resolvedType, flags, targetUserId); 5708 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5709 // If all the matches in the target profile are suspended, return null. 5710 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5711 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5712 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5713 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5714 targetUserId); 5715 } 5716 } 5717 } 5718 return null; 5719 } 5720 5721 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5722 int sourceUserId, int targetUserId) { 5723 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5724 long ident = Binder.clearCallingIdentity(); 5725 boolean targetIsProfile; 5726 try { 5727 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5728 } finally { 5729 Binder.restoreCallingIdentity(ident); 5730 } 5731 String className; 5732 if (targetIsProfile) { 5733 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5734 } else { 5735 className = FORWARD_INTENT_TO_PARENT; 5736 } 5737 ComponentName forwardingActivityComponentName = new ComponentName( 5738 mAndroidApplication.packageName, className); 5739 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5740 sourceUserId); 5741 if (!targetIsProfile) { 5742 forwardingActivityInfo.showUserIcon = targetUserId; 5743 forwardingResolveInfo.noResourceId = true; 5744 } 5745 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5746 forwardingResolveInfo.priority = 0; 5747 forwardingResolveInfo.preferredOrder = 0; 5748 forwardingResolveInfo.match = 0; 5749 forwardingResolveInfo.isDefault = true; 5750 forwardingResolveInfo.filter = filter; 5751 forwardingResolveInfo.targetUserId = targetUserId; 5752 return forwardingResolveInfo; 5753 } 5754 5755 @Override 5756 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5757 Intent[] specifics, String[] specificTypes, Intent intent, 5758 String resolvedType, int flags, int userId) { 5759 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5760 specificTypes, intent, resolvedType, flags, userId)); 5761 } 5762 5763 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5764 Intent[] specifics, String[] specificTypes, Intent intent, 5765 String resolvedType, int flags, int userId) { 5766 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5767 flags = updateFlagsForResolve(flags, userId, intent); 5768 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5769 false /* requireFullPermission */, false /* checkShell */, 5770 "query intent activity options"); 5771 final String resultsAction = intent.getAction(); 5772 5773 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5774 | PackageManager.GET_RESOLVED_FILTER, userId); 5775 5776 if (DEBUG_INTENT_MATCHING) { 5777 Log.v(TAG, "Query " + intent + ": " + results); 5778 } 5779 5780 int specificsPos = 0; 5781 int N; 5782 5783 // todo: note that the algorithm used here is O(N^2). This 5784 // isn't a problem in our current environment, but if we start running 5785 // into situations where we have more than 5 or 10 matches then this 5786 // should probably be changed to something smarter... 5787 5788 // First we go through and resolve each of the specific items 5789 // that were supplied, taking care of removing any corresponding 5790 // duplicate items in the generic resolve list. 5791 if (specifics != null) { 5792 for (int i=0; i<specifics.length; i++) { 5793 final Intent sintent = specifics[i]; 5794 if (sintent == null) { 5795 continue; 5796 } 5797 5798 if (DEBUG_INTENT_MATCHING) { 5799 Log.v(TAG, "Specific #" + i + ": " + sintent); 5800 } 5801 5802 String action = sintent.getAction(); 5803 if (resultsAction != null && resultsAction.equals(action)) { 5804 // If this action was explicitly requested, then don't 5805 // remove things that have it. 5806 action = null; 5807 } 5808 5809 ResolveInfo ri = null; 5810 ActivityInfo ai = null; 5811 5812 ComponentName comp = sintent.getComponent(); 5813 if (comp == null) { 5814 ri = resolveIntent( 5815 sintent, 5816 specificTypes != null ? specificTypes[i] : null, 5817 flags, userId); 5818 if (ri == null) { 5819 continue; 5820 } 5821 if (ri == mResolveInfo) { 5822 // ACK! Must do something better with this. 5823 } 5824 ai = ri.activityInfo; 5825 comp = new ComponentName(ai.applicationInfo.packageName, 5826 ai.name); 5827 } else { 5828 ai = getActivityInfo(comp, flags, userId); 5829 if (ai == null) { 5830 continue; 5831 } 5832 } 5833 5834 // Look for any generic query activities that are duplicates 5835 // of this specific one, and remove them from the results. 5836 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5837 N = results.size(); 5838 int j; 5839 for (j=specificsPos; j<N; j++) { 5840 ResolveInfo sri = results.get(j); 5841 if ((sri.activityInfo.name.equals(comp.getClassName()) 5842 && sri.activityInfo.applicationInfo.packageName.equals( 5843 comp.getPackageName())) 5844 || (action != null && sri.filter.matchAction(action))) { 5845 results.remove(j); 5846 if (DEBUG_INTENT_MATCHING) Log.v( 5847 TAG, "Removing duplicate item from " + j 5848 + " due to specific " + specificsPos); 5849 if (ri == null) { 5850 ri = sri; 5851 } 5852 j--; 5853 N--; 5854 } 5855 } 5856 5857 // Add this specific item to its proper place. 5858 if (ri == null) { 5859 ri = new ResolveInfo(); 5860 ri.activityInfo = ai; 5861 } 5862 results.add(specificsPos, ri); 5863 ri.specificIndex = i; 5864 specificsPos++; 5865 } 5866 } 5867 5868 // Now we go through the remaining generic results and remove any 5869 // duplicate actions that are found here. 5870 N = results.size(); 5871 for (int i=specificsPos; i<N-1; i++) { 5872 final ResolveInfo rii = results.get(i); 5873 if (rii.filter == null) { 5874 continue; 5875 } 5876 5877 // Iterate over all of the actions of this result's intent 5878 // filter... typically this should be just one. 5879 final Iterator<String> it = rii.filter.actionsIterator(); 5880 if (it == null) { 5881 continue; 5882 } 5883 while (it.hasNext()) { 5884 final String action = it.next(); 5885 if (resultsAction != null && resultsAction.equals(action)) { 5886 // If this action was explicitly requested, then don't 5887 // remove things that have it. 5888 continue; 5889 } 5890 for (int j=i+1; j<N; j++) { 5891 final ResolveInfo rij = results.get(j); 5892 if (rij.filter != null && rij.filter.hasAction(action)) { 5893 results.remove(j); 5894 if (DEBUG_INTENT_MATCHING) Log.v( 5895 TAG, "Removing duplicate item from " + j 5896 + " due to action " + action + " at " + i); 5897 j--; 5898 N--; 5899 } 5900 } 5901 } 5902 5903 // If the caller didn't request filter information, drop it now 5904 // so we don't have to marshall/unmarshall it. 5905 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5906 rii.filter = null; 5907 } 5908 } 5909 5910 // Filter out the caller activity if so requested. 5911 if (caller != null) { 5912 N = results.size(); 5913 for (int i=0; i<N; i++) { 5914 ActivityInfo ainfo = results.get(i).activityInfo; 5915 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5916 && caller.getClassName().equals(ainfo.name)) { 5917 results.remove(i); 5918 break; 5919 } 5920 } 5921 } 5922 5923 // If the caller didn't request filter information, 5924 // drop them now so we don't have to 5925 // marshall/unmarshall it. 5926 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5927 N = results.size(); 5928 for (int i=0; i<N; i++) { 5929 results.get(i).filter = null; 5930 } 5931 } 5932 5933 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5934 return results; 5935 } 5936 5937 @Override 5938 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5939 String resolvedType, int flags, int userId) { 5940 return new ParceledListSlice<>( 5941 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5942 } 5943 5944 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5945 String resolvedType, int flags, int userId) { 5946 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5947 flags = updateFlagsForResolve(flags, userId, intent); 5948 ComponentName comp = intent.getComponent(); 5949 if (comp == null) { 5950 if (intent.getSelector() != null) { 5951 intent = intent.getSelector(); 5952 comp = intent.getComponent(); 5953 } 5954 } 5955 if (comp != null) { 5956 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5957 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5958 if (ai != null) { 5959 ResolveInfo ri = new ResolveInfo(); 5960 ri.activityInfo = ai; 5961 list.add(ri); 5962 } 5963 return list; 5964 } 5965 5966 // reader 5967 synchronized (mPackages) { 5968 String pkgName = intent.getPackage(); 5969 if (pkgName == null) { 5970 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5971 } 5972 final PackageParser.Package pkg = mPackages.get(pkgName); 5973 if (pkg != null) { 5974 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5975 userId); 5976 } 5977 return Collections.emptyList(); 5978 } 5979 } 5980 5981 @Override 5982 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5983 if (!sUserManager.exists(userId)) return null; 5984 flags = updateFlagsForResolve(flags, userId, intent); 5985 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5986 if (query != null) { 5987 if (query.size() >= 1) { 5988 // If there is more than one service with the same priority, 5989 // just arbitrarily pick the first one. 5990 return query.get(0); 5991 } 5992 } 5993 return null; 5994 } 5995 5996 @Override 5997 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5998 String resolvedType, int flags, int userId) { 5999 return new ParceledListSlice<>( 6000 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6001 } 6002 6003 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6004 String resolvedType, int flags, int userId) { 6005 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6006 flags = updateFlagsForResolve(flags, userId, intent); 6007 ComponentName comp = intent.getComponent(); 6008 if (comp == null) { 6009 if (intent.getSelector() != null) { 6010 intent = intent.getSelector(); 6011 comp = intent.getComponent(); 6012 } 6013 } 6014 if (comp != null) { 6015 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6016 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6017 if (si != null) { 6018 final ResolveInfo ri = new ResolveInfo(); 6019 ri.serviceInfo = si; 6020 list.add(ri); 6021 } 6022 return list; 6023 } 6024 6025 // reader 6026 synchronized (mPackages) { 6027 String pkgName = intent.getPackage(); 6028 if (pkgName == null) { 6029 return mServices.queryIntent(intent, resolvedType, flags, userId); 6030 } 6031 final PackageParser.Package pkg = mPackages.get(pkgName); 6032 if (pkg != null) { 6033 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6034 userId); 6035 } 6036 return Collections.emptyList(); 6037 } 6038 } 6039 6040 @Override 6041 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6042 String resolvedType, int flags, int userId) { 6043 return new ParceledListSlice<>( 6044 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6045 } 6046 6047 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6048 Intent intent, String resolvedType, int flags, int userId) { 6049 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6050 flags = updateFlagsForResolve(flags, userId, intent); 6051 ComponentName comp = intent.getComponent(); 6052 if (comp == null) { 6053 if (intent.getSelector() != null) { 6054 intent = intent.getSelector(); 6055 comp = intent.getComponent(); 6056 } 6057 } 6058 if (comp != null) { 6059 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6060 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6061 if (pi != null) { 6062 final ResolveInfo ri = new ResolveInfo(); 6063 ri.providerInfo = pi; 6064 list.add(ri); 6065 } 6066 return list; 6067 } 6068 6069 // reader 6070 synchronized (mPackages) { 6071 String pkgName = intent.getPackage(); 6072 if (pkgName == null) { 6073 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6074 } 6075 final PackageParser.Package pkg = mPackages.get(pkgName); 6076 if (pkg != null) { 6077 return mProviders.queryIntentForPackage( 6078 intent, resolvedType, flags, pkg.providers, userId); 6079 } 6080 return Collections.emptyList(); 6081 } 6082 } 6083 6084 @Override 6085 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6086 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6087 flags = updateFlagsForPackage(flags, userId, null); 6088 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6089 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6090 true /* requireFullPermission */, false /* checkShell */, 6091 "get installed packages"); 6092 6093 // writer 6094 synchronized (mPackages) { 6095 ArrayList<PackageInfo> list; 6096 if (listUninstalled) { 6097 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6098 for (PackageSetting ps : mSettings.mPackages.values()) { 6099 final PackageInfo pi; 6100 if (ps.pkg != null) { 6101 pi = generatePackageInfo(ps, flags, userId); 6102 } else { 6103 pi = generatePackageInfo(ps, flags, userId); 6104 } 6105 if (pi != null) { 6106 list.add(pi); 6107 } 6108 } 6109 } else { 6110 list = new ArrayList<PackageInfo>(mPackages.size()); 6111 for (PackageParser.Package p : mPackages.values()) { 6112 final PackageInfo pi = 6113 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6114 if (pi != null) { 6115 list.add(pi); 6116 } 6117 } 6118 } 6119 6120 return new ParceledListSlice<PackageInfo>(list); 6121 } 6122 } 6123 6124 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6125 String[] permissions, boolean[] tmp, int flags, int userId) { 6126 int numMatch = 0; 6127 final PermissionsState permissionsState = ps.getPermissionsState(); 6128 for (int i=0; i<permissions.length; i++) { 6129 final String permission = permissions[i]; 6130 if (permissionsState.hasPermission(permission, userId)) { 6131 tmp[i] = true; 6132 numMatch++; 6133 } else { 6134 tmp[i] = false; 6135 } 6136 } 6137 if (numMatch == 0) { 6138 return; 6139 } 6140 final PackageInfo pi; 6141 if (ps.pkg != null) { 6142 pi = generatePackageInfo(ps, flags, userId); 6143 } else { 6144 pi = generatePackageInfo(ps, flags, userId); 6145 } 6146 // The above might return null in cases of uninstalled apps or install-state 6147 // skew across users/profiles. 6148 if (pi != null) { 6149 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6150 if (numMatch == permissions.length) { 6151 pi.requestedPermissions = permissions; 6152 } else { 6153 pi.requestedPermissions = new String[numMatch]; 6154 numMatch = 0; 6155 for (int i=0; i<permissions.length; i++) { 6156 if (tmp[i]) { 6157 pi.requestedPermissions[numMatch] = permissions[i]; 6158 numMatch++; 6159 } 6160 } 6161 } 6162 } 6163 list.add(pi); 6164 } 6165 } 6166 6167 @Override 6168 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6169 String[] permissions, int flags, int userId) { 6170 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6171 flags = updateFlagsForPackage(flags, userId, permissions); 6172 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6173 6174 // writer 6175 synchronized (mPackages) { 6176 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6177 boolean[] tmpBools = new boolean[permissions.length]; 6178 if (listUninstalled) { 6179 for (PackageSetting ps : mSettings.mPackages.values()) { 6180 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6181 } 6182 } else { 6183 for (PackageParser.Package pkg : mPackages.values()) { 6184 PackageSetting ps = (PackageSetting)pkg.mExtras; 6185 if (ps != null) { 6186 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6187 userId); 6188 } 6189 } 6190 } 6191 6192 return new ParceledListSlice<PackageInfo>(list); 6193 } 6194 } 6195 6196 @Override 6197 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6198 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6199 flags = updateFlagsForApplication(flags, userId, null); 6200 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6201 6202 // writer 6203 synchronized (mPackages) { 6204 ArrayList<ApplicationInfo> list; 6205 if (listUninstalled) { 6206 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6207 for (PackageSetting ps : mSettings.mPackages.values()) { 6208 ApplicationInfo ai; 6209 if (ps.pkg != null) { 6210 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6211 ps.readUserState(userId), userId); 6212 } else { 6213 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6214 } 6215 if (ai != null) { 6216 list.add(ai); 6217 } 6218 } 6219 } else { 6220 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6221 for (PackageParser.Package p : mPackages.values()) { 6222 if (p.mExtras != null) { 6223 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6224 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6225 if (ai != null) { 6226 list.add(ai); 6227 } 6228 } 6229 } 6230 } 6231 6232 return new ParceledListSlice<ApplicationInfo>(list); 6233 } 6234 } 6235 6236 @Override 6237 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6238 if (DISABLE_EPHEMERAL_APPS) { 6239 return null; 6240 } 6241 6242 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6243 "getEphemeralApplications"); 6244 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6245 true /* requireFullPermission */, false /* checkShell */, 6246 "getEphemeralApplications"); 6247 synchronized (mPackages) { 6248 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6249 .getEphemeralApplicationsLPw(userId); 6250 if (ephemeralApps != null) { 6251 return new ParceledListSlice<>(ephemeralApps); 6252 } 6253 } 6254 return null; 6255 } 6256 6257 @Override 6258 public boolean isEphemeralApplication(String packageName, int userId) { 6259 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6260 true /* requireFullPermission */, false /* checkShell */, 6261 "isEphemeral"); 6262 if (DISABLE_EPHEMERAL_APPS) { 6263 return false; 6264 } 6265 6266 if (!isCallerSameApp(packageName)) { 6267 return false; 6268 } 6269 synchronized (mPackages) { 6270 PackageParser.Package pkg = mPackages.get(packageName); 6271 if (pkg != null) { 6272 return pkg.applicationInfo.isEphemeralApp(); 6273 } 6274 } 6275 return false; 6276 } 6277 6278 @Override 6279 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6280 if (DISABLE_EPHEMERAL_APPS) { 6281 return null; 6282 } 6283 6284 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6285 true /* requireFullPermission */, false /* checkShell */, 6286 "getCookie"); 6287 if (!isCallerSameApp(packageName)) { 6288 return null; 6289 } 6290 synchronized (mPackages) { 6291 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6292 packageName, userId); 6293 } 6294 } 6295 6296 @Override 6297 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6298 if (DISABLE_EPHEMERAL_APPS) { 6299 return true; 6300 } 6301 6302 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6303 true /* requireFullPermission */, true /* checkShell */, 6304 "setCookie"); 6305 if (!isCallerSameApp(packageName)) { 6306 return false; 6307 } 6308 synchronized (mPackages) { 6309 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6310 packageName, cookie, userId); 6311 } 6312 } 6313 6314 @Override 6315 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6316 if (DISABLE_EPHEMERAL_APPS) { 6317 return null; 6318 } 6319 6320 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6321 "getEphemeralApplicationIcon"); 6322 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6323 true /* requireFullPermission */, false /* checkShell */, 6324 "getEphemeralApplicationIcon"); 6325 synchronized (mPackages) { 6326 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6327 packageName, userId); 6328 } 6329 } 6330 6331 private boolean isCallerSameApp(String packageName) { 6332 PackageParser.Package pkg = mPackages.get(packageName); 6333 return pkg != null 6334 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6335 } 6336 6337 @Override 6338 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6339 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6340 } 6341 6342 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6343 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6344 6345 // reader 6346 synchronized (mPackages) { 6347 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6348 final int userId = UserHandle.getCallingUserId(); 6349 while (i.hasNext()) { 6350 final PackageParser.Package p = i.next(); 6351 if (p.applicationInfo == null) continue; 6352 6353 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6354 && !p.applicationInfo.isDirectBootAware(); 6355 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6356 && p.applicationInfo.isDirectBootAware(); 6357 6358 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6359 && (!mSafeMode || isSystemApp(p)) 6360 && (matchesUnaware || matchesAware)) { 6361 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6362 if (ps != null) { 6363 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6364 ps.readUserState(userId), userId); 6365 if (ai != null) { 6366 finalList.add(ai); 6367 } 6368 } 6369 } 6370 } 6371 } 6372 6373 return finalList; 6374 } 6375 6376 @Override 6377 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6378 if (!sUserManager.exists(userId)) return null; 6379 flags = updateFlagsForComponent(flags, userId, name); 6380 // reader 6381 synchronized (mPackages) { 6382 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6383 PackageSetting ps = provider != null 6384 ? mSettings.mPackages.get(provider.owner.packageName) 6385 : null; 6386 return ps != null 6387 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6388 ? PackageParser.generateProviderInfo(provider, flags, 6389 ps.readUserState(userId), userId) 6390 : null; 6391 } 6392 } 6393 6394 /** 6395 * @deprecated 6396 */ 6397 @Deprecated 6398 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6399 // reader 6400 synchronized (mPackages) { 6401 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6402 .entrySet().iterator(); 6403 final int userId = UserHandle.getCallingUserId(); 6404 while (i.hasNext()) { 6405 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6406 PackageParser.Provider p = entry.getValue(); 6407 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6408 6409 if (ps != null && p.syncable 6410 && (!mSafeMode || (p.info.applicationInfo.flags 6411 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6412 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6413 ps.readUserState(userId), userId); 6414 if (info != null) { 6415 outNames.add(entry.getKey()); 6416 outInfo.add(info); 6417 } 6418 } 6419 } 6420 } 6421 } 6422 6423 @Override 6424 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6425 int uid, int flags) { 6426 final int userId = processName != null ? UserHandle.getUserId(uid) 6427 : UserHandle.getCallingUserId(); 6428 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6429 flags = updateFlagsForComponent(flags, userId, processName); 6430 6431 ArrayList<ProviderInfo> finalList = null; 6432 // reader 6433 synchronized (mPackages) { 6434 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6435 while (i.hasNext()) { 6436 final PackageParser.Provider p = i.next(); 6437 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6438 if (ps != null && p.info.authority != null 6439 && (processName == null 6440 || (p.info.processName.equals(processName) 6441 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6442 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6443 if (finalList == null) { 6444 finalList = new ArrayList<ProviderInfo>(3); 6445 } 6446 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6447 ps.readUserState(userId), userId); 6448 if (info != null) { 6449 finalList.add(info); 6450 } 6451 } 6452 } 6453 } 6454 6455 if (finalList != null) { 6456 Collections.sort(finalList, mProviderInitOrderSorter); 6457 return new ParceledListSlice<ProviderInfo>(finalList); 6458 } 6459 6460 return ParceledListSlice.emptyList(); 6461 } 6462 6463 @Override 6464 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6465 // reader 6466 synchronized (mPackages) { 6467 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6468 return PackageParser.generateInstrumentationInfo(i, flags); 6469 } 6470 } 6471 6472 @Override 6473 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6474 String targetPackage, int flags) { 6475 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6476 } 6477 6478 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6479 int flags) { 6480 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6481 6482 // reader 6483 synchronized (mPackages) { 6484 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6485 while (i.hasNext()) { 6486 final PackageParser.Instrumentation p = i.next(); 6487 if (targetPackage == null 6488 || targetPackage.equals(p.info.targetPackage)) { 6489 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6490 flags); 6491 if (ii != null) { 6492 finalList.add(ii); 6493 } 6494 } 6495 } 6496 } 6497 6498 return finalList; 6499 } 6500 6501 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6502 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6503 if (overlays == null) { 6504 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6505 return; 6506 } 6507 for (PackageParser.Package opkg : overlays.values()) { 6508 // Not much to do if idmap fails: we already logged the error 6509 // and we certainly don't want to abort installation of pkg simply 6510 // because an overlay didn't fit properly. For these reasons, 6511 // ignore the return value of createIdmapForPackagePairLI. 6512 createIdmapForPackagePairLI(pkg, opkg); 6513 } 6514 } 6515 6516 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6517 PackageParser.Package opkg) { 6518 if (!opkg.mTrustedOverlay) { 6519 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6520 opkg.baseCodePath + ": overlay not trusted"); 6521 return false; 6522 } 6523 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6524 if (overlaySet == null) { 6525 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6526 opkg.baseCodePath + " but target package has no known overlays"); 6527 return false; 6528 } 6529 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6530 // TODO: generate idmap for split APKs 6531 try { 6532 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6533 } catch (InstallerException e) { 6534 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6535 + opkg.baseCodePath); 6536 return false; 6537 } 6538 PackageParser.Package[] overlayArray = 6539 overlaySet.values().toArray(new PackageParser.Package[0]); 6540 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6541 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6542 return p1.mOverlayPriority - p2.mOverlayPriority; 6543 } 6544 }; 6545 Arrays.sort(overlayArray, cmp); 6546 6547 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6548 int i = 0; 6549 for (PackageParser.Package p : overlayArray) { 6550 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6551 } 6552 return true; 6553 } 6554 6555 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6556 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6557 try { 6558 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6559 } finally { 6560 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6561 } 6562 } 6563 6564 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6565 final File[] files = dir.listFiles(); 6566 if (ArrayUtils.isEmpty(files)) { 6567 Log.d(TAG, "No files in app dir " + dir); 6568 return; 6569 } 6570 6571 if (DEBUG_PACKAGE_SCANNING) { 6572 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6573 + " flags=0x" + Integer.toHexString(parseFlags)); 6574 } 6575 6576 for (File file : files) { 6577 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6578 && !PackageInstallerService.isStageName(file.getName()); 6579 if (!isPackage) { 6580 // Ignore entries which are not packages 6581 continue; 6582 } 6583 try { 6584 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6585 scanFlags, currentTime, null); 6586 } catch (PackageManagerException e) { 6587 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6588 6589 // Delete invalid userdata apps 6590 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6591 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6592 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6593 removeCodePathLI(file); 6594 } 6595 } 6596 } 6597 } 6598 6599 private static File getSettingsProblemFile() { 6600 File dataDir = Environment.getDataDirectory(); 6601 File systemDir = new File(dataDir, "system"); 6602 File fname = new File(systemDir, "uiderrors.txt"); 6603 return fname; 6604 } 6605 6606 static void reportSettingsProblem(int priority, String msg) { 6607 logCriticalInfo(priority, msg); 6608 } 6609 6610 static void logCriticalInfo(int priority, String msg) { 6611 Slog.println(priority, TAG, msg); 6612 EventLogTags.writePmCriticalInfo(msg); 6613 try { 6614 File fname = getSettingsProblemFile(); 6615 FileOutputStream out = new FileOutputStream(fname, true); 6616 PrintWriter pw = new FastPrintWriter(out); 6617 SimpleDateFormat formatter = new SimpleDateFormat(); 6618 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6619 pw.println(dateString + ": " + msg); 6620 pw.close(); 6621 FileUtils.setPermissions( 6622 fname.toString(), 6623 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6624 -1, -1); 6625 } catch (java.io.IOException e) { 6626 } 6627 } 6628 6629 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6630 final int policyFlags) throws PackageManagerException { 6631 if (ps != null 6632 && ps.codePath.equals(srcFile) 6633 && ps.timeStamp == srcFile.lastModified() 6634 && !isCompatSignatureUpdateNeeded(pkg) 6635 && !isRecoverSignatureUpdateNeeded(pkg)) { 6636 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6637 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6638 ArraySet<PublicKey> signingKs; 6639 synchronized (mPackages) { 6640 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6641 } 6642 if (ps.signatures.mSignatures != null 6643 && ps.signatures.mSignatures.length != 0 6644 && signingKs != null) { 6645 // Optimization: reuse the existing cached certificates 6646 // if the package appears to be unchanged. 6647 pkg.mSignatures = ps.signatures.mSignatures; 6648 pkg.mSigningKeys = signingKs; 6649 return; 6650 } 6651 6652 Slog.w(TAG, "PackageSetting for " + ps.name 6653 + " is missing signatures. Collecting certs again to recover them."); 6654 } else { 6655 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6656 } 6657 6658 try { 6659 PackageParser.collectCertificates(pkg, policyFlags); 6660 } catch (PackageParserException e) { 6661 throw PackageManagerException.from(e); 6662 } 6663 } 6664 6665 /** 6666 * Traces a package scan. 6667 * @see #scanPackageLI(File, int, int, long, UserHandle) 6668 */ 6669 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6670 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6671 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6672 try { 6673 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6674 } finally { 6675 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6676 } 6677 } 6678 6679 /** 6680 * Scans a package and returns the newly parsed package. 6681 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6682 */ 6683 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6684 long currentTime, UserHandle user) throws PackageManagerException { 6685 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6686 PackageParser pp = new PackageParser(); 6687 pp.setSeparateProcesses(mSeparateProcesses); 6688 pp.setOnlyCoreApps(mOnlyCore); 6689 pp.setDisplayMetrics(mMetrics); 6690 6691 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6692 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6693 } 6694 6695 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6696 final PackageParser.Package pkg; 6697 try { 6698 pkg = pp.parsePackage(scanFile, parseFlags); 6699 } catch (PackageParserException e) { 6700 throw PackageManagerException.from(e); 6701 } finally { 6702 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6703 } 6704 6705 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6706 } 6707 6708 /** 6709 * Scans a package and returns the newly parsed package. 6710 * @throws PackageManagerException on a parse error. 6711 */ 6712 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6713 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6714 throws PackageManagerException { 6715 // If the package has children and this is the first dive in the function 6716 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6717 // packages (parent and children) would be successfully scanned before the 6718 // actual scan since scanning mutates internal state and we want to atomically 6719 // install the package and its children. 6720 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6721 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6722 scanFlags |= SCAN_CHECK_ONLY; 6723 } 6724 } else { 6725 scanFlags &= ~SCAN_CHECK_ONLY; 6726 } 6727 6728 // Scan the parent 6729 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6730 scanFlags, currentTime, user); 6731 6732 // Scan the children 6733 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6734 for (int i = 0; i < childCount; i++) { 6735 PackageParser.Package childPackage = pkg.childPackages.get(i); 6736 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6737 currentTime, user); 6738 } 6739 6740 6741 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6742 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6743 } 6744 6745 return scannedPkg; 6746 } 6747 6748 /** 6749 * Scans a package and returns the newly parsed package. 6750 * @throws PackageManagerException on a parse error. 6751 */ 6752 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6753 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6754 throws PackageManagerException { 6755 PackageSetting ps = null; 6756 PackageSetting updatedPkg; 6757 // reader 6758 synchronized (mPackages) { 6759 // Look to see if we already know about this package. 6760 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6761 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6762 // This package has been renamed to its original name. Let's 6763 // use that. 6764 ps = mSettings.peekPackageLPr(oldName); 6765 } 6766 // If there was no original package, see one for the real package name. 6767 if (ps == null) { 6768 ps = mSettings.peekPackageLPr(pkg.packageName); 6769 } 6770 // Check to see if this package could be hiding/updating a system 6771 // package. Must look for it either under the original or real 6772 // package name depending on our state. 6773 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6774 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6775 6776 // If this is a package we don't know about on the system partition, we 6777 // may need to remove disabled child packages on the system partition 6778 // or may need to not add child packages if the parent apk is updated 6779 // on the data partition and no longer defines this child package. 6780 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6781 // If this is a parent package for an updated system app and this system 6782 // app got an OTA update which no longer defines some of the child packages 6783 // we have to prune them from the disabled system packages. 6784 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6785 if (disabledPs != null) { 6786 final int scannedChildCount = (pkg.childPackages != null) 6787 ? pkg.childPackages.size() : 0; 6788 final int disabledChildCount = disabledPs.childPackageNames != null 6789 ? disabledPs.childPackageNames.size() : 0; 6790 for (int i = 0; i < disabledChildCount; i++) { 6791 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6792 boolean disabledPackageAvailable = false; 6793 for (int j = 0; j < scannedChildCount; j++) { 6794 PackageParser.Package childPkg = pkg.childPackages.get(j); 6795 if (childPkg.packageName.equals(disabledChildPackageName)) { 6796 disabledPackageAvailable = true; 6797 break; 6798 } 6799 } 6800 if (!disabledPackageAvailable) { 6801 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6802 } 6803 } 6804 } 6805 } 6806 } 6807 6808 boolean updatedPkgBetter = false; 6809 // First check if this is a system package that may involve an update 6810 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6811 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6812 // it needs to drop FLAG_PRIVILEGED. 6813 if (locationIsPrivileged(scanFile)) { 6814 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6815 } else { 6816 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6817 } 6818 6819 if (ps != null && !ps.codePath.equals(scanFile)) { 6820 // The path has changed from what was last scanned... check the 6821 // version of the new path against what we have stored to determine 6822 // what to do. 6823 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6824 if (pkg.mVersionCode <= ps.versionCode) { 6825 // The system package has been updated and the code path does not match 6826 // Ignore entry. Skip it. 6827 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6828 + " ignored: updated version " + ps.versionCode 6829 + " better than this " + pkg.mVersionCode); 6830 if (!updatedPkg.codePath.equals(scanFile)) { 6831 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6832 + ps.name + " changing from " + updatedPkg.codePathString 6833 + " to " + scanFile); 6834 updatedPkg.codePath = scanFile; 6835 updatedPkg.codePathString = scanFile.toString(); 6836 updatedPkg.resourcePath = scanFile; 6837 updatedPkg.resourcePathString = scanFile.toString(); 6838 } 6839 updatedPkg.pkg = pkg; 6840 updatedPkg.versionCode = pkg.mVersionCode; 6841 6842 // Update the disabled system child packages to point to the package too. 6843 final int childCount = updatedPkg.childPackageNames != null 6844 ? updatedPkg.childPackageNames.size() : 0; 6845 for (int i = 0; i < childCount; i++) { 6846 String childPackageName = updatedPkg.childPackageNames.get(i); 6847 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6848 childPackageName); 6849 if (updatedChildPkg != null) { 6850 updatedChildPkg.pkg = pkg; 6851 updatedChildPkg.versionCode = pkg.mVersionCode; 6852 } 6853 } 6854 6855 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6856 + scanFile + " ignored: updated version " + ps.versionCode 6857 + " better than this " + pkg.mVersionCode); 6858 } else { 6859 // The current app on the system partition is better than 6860 // what we have updated to on the data partition; switch 6861 // back to the system partition version. 6862 // At this point, its safely assumed that package installation for 6863 // apps in system partition will go through. If not there won't be a working 6864 // version of the app 6865 // writer 6866 synchronized (mPackages) { 6867 // Just remove the loaded entries from package lists. 6868 mPackages.remove(ps.name); 6869 } 6870 6871 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6872 + " reverting from " + ps.codePathString 6873 + ": new version " + pkg.mVersionCode 6874 + " better than installed " + ps.versionCode); 6875 6876 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6877 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6878 synchronized (mInstallLock) { 6879 args.cleanUpResourcesLI(); 6880 } 6881 synchronized (mPackages) { 6882 mSettings.enableSystemPackageLPw(ps.name); 6883 } 6884 updatedPkgBetter = true; 6885 } 6886 } 6887 } 6888 6889 if (updatedPkg != null) { 6890 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6891 // initially 6892 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6893 6894 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6895 // flag set initially 6896 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6897 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6898 } 6899 } 6900 6901 // Verify certificates against what was last scanned 6902 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6903 6904 /* 6905 * A new system app appeared, but we already had a non-system one of the 6906 * same name installed earlier. 6907 */ 6908 boolean shouldHideSystemApp = false; 6909 if (updatedPkg == null && ps != null 6910 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6911 /* 6912 * Check to make sure the signatures match first. If they don't, 6913 * wipe the installed application and its data. 6914 */ 6915 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6916 != PackageManager.SIGNATURE_MATCH) { 6917 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6918 + " signatures don't match existing userdata copy; removing"); 6919 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6920 "scanPackageInternalLI")) { 6921 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6922 } 6923 ps = null; 6924 } else { 6925 /* 6926 * If the newly-added system app is an older version than the 6927 * already installed version, hide it. It will be scanned later 6928 * and re-added like an update. 6929 */ 6930 if (pkg.mVersionCode <= ps.versionCode) { 6931 shouldHideSystemApp = true; 6932 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6933 + " but new version " + pkg.mVersionCode + " better than installed " 6934 + ps.versionCode + "; hiding system"); 6935 } else { 6936 /* 6937 * The newly found system app is a newer version that the 6938 * one previously installed. Simply remove the 6939 * already-installed application and replace it with our own 6940 * while keeping the application data. 6941 */ 6942 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6943 + " reverting from " + ps.codePathString + ": new version " 6944 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6945 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6946 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6947 synchronized (mInstallLock) { 6948 args.cleanUpResourcesLI(); 6949 } 6950 } 6951 } 6952 } 6953 6954 // The apk is forward locked (not public) if its code and resources 6955 // are kept in different files. (except for app in either system or 6956 // vendor path). 6957 // TODO grab this value from PackageSettings 6958 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6959 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6960 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6961 } 6962 } 6963 6964 // TODO: extend to support forward-locked splits 6965 String resourcePath = null; 6966 String baseResourcePath = null; 6967 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6968 if (ps != null && ps.resourcePathString != null) { 6969 resourcePath = ps.resourcePathString; 6970 baseResourcePath = ps.resourcePathString; 6971 } else { 6972 // Should not happen at all. Just log an error. 6973 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6974 } 6975 } else { 6976 resourcePath = pkg.codePath; 6977 baseResourcePath = pkg.baseCodePath; 6978 } 6979 6980 // Set application objects path explicitly. 6981 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6982 pkg.setApplicationInfoCodePath(pkg.codePath); 6983 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6984 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6985 pkg.setApplicationInfoResourcePath(resourcePath); 6986 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6987 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6988 6989 // Note that we invoke the following method only if we are about to unpack an application 6990 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 6991 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6992 6993 /* 6994 * If the system app should be overridden by a previously installed 6995 * data, hide the system app now and let the /data/app scan pick it up 6996 * again. 6997 */ 6998 if (shouldHideSystemApp) { 6999 synchronized (mPackages) { 7000 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7001 } 7002 } 7003 7004 return scannedPkg; 7005 } 7006 7007 private static String fixProcessName(String defProcessName, 7008 String processName, int uid) { 7009 if (processName == null) { 7010 return defProcessName; 7011 } 7012 return processName; 7013 } 7014 7015 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7016 throws PackageManagerException { 7017 if (pkgSetting.signatures.mSignatures != null) { 7018 // Already existing package. Make sure signatures match 7019 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7020 == PackageManager.SIGNATURE_MATCH; 7021 if (!match) { 7022 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7023 == PackageManager.SIGNATURE_MATCH; 7024 } 7025 if (!match) { 7026 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7027 == PackageManager.SIGNATURE_MATCH; 7028 } 7029 if (!match) { 7030 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7031 + pkg.packageName + " signatures do not match the " 7032 + "previously installed version; ignoring!"); 7033 } 7034 } 7035 7036 // Check for shared user signatures 7037 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7038 // Already existing package. Make sure signatures match 7039 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7040 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7041 if (!match) { 7042 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7043 == PackageManager.SIGNATURE_MATCH; 7044 } 7045 if (!match) { 7046 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7047 == PackageManager.SIGNATURE_MATCH; 7048 } 7049 if (!match) { 7050 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7051 "Package " + pkg.packageName 7052 + " has no signatures that match those in shared user " 7053 + pkgSetting.sharedUser.name + "; ignoring!"); 7054 } 7055 } 7056 } 7057 7058 /** 7059 * Enforces that only the system UID or root's UID can call a method exposed 7060 * via Binder. 7061 * 7062 * @param message used as message if SecurityException is thrown 7063 * @throws SecurityException if the caller is not system or root 7064 */ 7065 private static final void enforceSystemOrRoot(String message) { 7066 final int uid = Binder.getCallingUid(); 7067 if (uid != Process.SYSTEM_UID && uid != 0) { 7068 throw new SecurityException(message); 7069 } 7070 } 7071 7072 @Override 7073 public void performFstrimIfNeeded() { 7074 enforceSystemOrRoot("Only the system can request fstrim"); 7075 7076 // Before everything else, see whether we need to fstrim. 7077 try { 7078 IMountService ms = PackageHelper.getMountService(); 7079 if (ms != null) { 7080 final boolean isUpgrade = isUpgrade(); 7081 boolean doTrim = isUpgrade; 7082 if (doTrim) { 7083 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7084 } else { 7085 final long interval = android.provider.Settings.Global.getLong( 7086 mContext.getContentResolver(), 7087 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7088 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7089 if (interval > 0) { 7090 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7091 if (timeSinceLast > interval) { 7092 doTrim = true; 7093 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7094 + "; running immediately"); 7095 } 7096 } 7097 } 7098 if (doTrim) { 7099 if (!isFirstBoot()) { 7100 try { 7101 ActivityManagerNative.getDefault().showBootMessage( 7102 mContext.getResources().getString( 7103 R.string.android_upgrading_fstrim), true); 7104 } catch (RemoteException e) { 7105 } 7106 } 7107 ms.runMaintenance(); 7108 } 7109 } else { 7110 Slog.e(TAG, "Mount service unavailable!"); 7111 } 7112 } catch (RemoteException e) { 7113 // Can't happen; MountService is local 7114 } 7115 } 7116 7117 @Override 7118 public void updatePackagesIfNeeded() { 7119 enforceSystemOrRoot("Only the system can request package update"); 7120 7121 // We need to re-extract after an OTA. 7122 boolean causeUpgrade = isUpgrade(); 7123 7124 // First boot or factory reset. 7125 // Note: we also handle devices that are upgrading to N right now as if it is their 7126 // first boot, as they do not have profile data. 7127 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7128 7129 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7130 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7131 7132 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7133 return; 7134 } 7135 7136 List<PackageParser.Package> pkgs; 7137 synchronized (mPackages) { 7138 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7139 } 7140 7141 int curr = 0; 7142 int total = pkgs.size(); 7143 for (PackageParser.Package pkg : pkgs) { 7144 curr++; 7145 7146 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7147 if (DEBUG_DEXOPT) { 7148 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7149 } 7150 continue; 7151 } 7152 7153 if (DEBUG_DEXOPT) { 7154 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 7155 } 7156 7157 if (!isFirstBoot()) { 7158 try { 7159 ActivityManagerNative.getDefault().showBootMessage( 7160 mContext.getResources().getString(R.string.android_upgrading_apk, 7161 curr, total), true); 7162 } catch (RemoteException e) { 7163 } 7164 } 7165 7166 performDexOpt(pkg.packageName, 7167 null /* instructionSet */, 7168 true /* checkProfiles */, 7169 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 7170 false /* force */); 7171 } 7172 } 7173 7174 @Override 7175 public void notifyPackageUse(String packageName, int reason) { 7176 synchronized (mPackages) { 7177 PackageParser.Package p = mPackages.get(packageName); 7178 if (p == null) { 7179 return; 7180 } 7181 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7182 } 7183 } 7184 7185 // TODO: this is not used nor needed. Delete it. 7186 @Override 7187 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 7188 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 7189 getFullCompilerFilter(), false /* force */); 7190 } 7191 7192 @Override 7193 public boolean performDexOpt(String packageName, String instructionSet, 7194 boolean checkProfiles, int compileReason, boolean force) { 7195 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7196 getCompilerFilterForReason(compileReason), force); 7197 } 7198 7199 @Override 7200 public boolean performDexOptMode(String packageName, String instructionSet, 7201 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7202 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7203 targetCompilerFilter, force); 7204 } 7205 7206 private boolean performDexOptTraced(String packageName, String instructionSet, 7207 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7208 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7209 try { 7210 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7211 targetCompilerFilter, force); 7212 } finally { 7213 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7214 } 7215 } 7216 7217 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7218 // if the package can now be considered up to date for the given filter. 7219 private boolean performDexOptInternal(String packageName, String instructionSet, 7220 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7221 PackageParser.Package p; 7222 final String targetInstructionSet; 7223 synchronized (mPackages) { 7224 p = mPackages.get(packageName); 7225 if (p == null) { 7226 return false; 7227 } 7228 mPackageUsage.write(false); 7229 7230 targetInstructionSet = instructionSet != null ? instructionSet : 7231 getPrimaryInstructionSet(p.applicationInfo); 7232 } 7233 long callingId = Binder.clearCallingIdentity(); 7234 try { 7235 synchronized (mInstallLock) { 7236 final String[] instructionSets = new String[] { targetInstructionSet }; 7237 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7238 checkProfiles, targetCompilerFilter, force); 7239 return result != PackageDexOptimizer.DEX_OPT_FAILED; 7240 } 7241 } finally { 7242 Binder.restoreCallingIdentity(callingId); 7243 } 7244 } 7245 7246 public ArraySet<String> getOptimizablePackages() { 7247 ArraySet<String> pkgs = new ArraySet<String>(); 7248 synchronized (mPackages) { 7249 for (PackageParser.Package p : mPackages.values()) { 7250 if (PackageDexOptimizer.canOptimizePackage(p)) { 7251 pkgs.add(p.packageName); 7252 } 7253 } 7254 } 7255 return pkgs; 7256 } 7257 7258 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7259 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7260 boolean force) { 7261 // Select the dex optimizer based on the force parameter. 7262 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7263 // allocate an object here. 7264 PackageDexOptimizer pdo = force 7265 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7266 : mPackageDexOptimizer; 7267 7268 // Optimize all dependencies first. Note: we ignore the return value and march on 7269 // on errors. 7270 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7271 if (!deps.isEmpty()) { 7272 for (PackageParser.Package depPackage : deps) { 7273 // TODO: Analyze and investigate if we (should) profile libraries. 7274 // Currently this will do a full compilation of the library by default. 7275 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7276 false /* checkProfiles */, 7277 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7278 } 7279 } 7280 7281 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7282 targetCompilerFilter); 7283 } 7284 7285 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7286 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7287 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7288 Set<String> collectedNames = new HashSet<>(); 7289 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7290 7291 retValue.remove(p); 7292 7293 return retValue; 7294 } else { 7295 return Collections.emptyList(); 7296 } 7297 } 7298 7299 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7300 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7301 if (!collectedNames.contains(p.packageName)) { 7302 collectedNames.add(p.packageName); 7303 collected.add(p); 7304 7305 if (p.usesLibraries != null) { 7306 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7307 } 7308 if (p.usesOptionalLibraries != null) { 7309 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7310 collectedNames); 7311 } 7312 } 7313 } 7314 7315 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7316 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7317 for (String libName : libs) { 7318 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7319 if (libPkg != null) { 7320 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7321 } 7322 } 7323 } 7324 7325 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7326 synchronized (mPackages) { 7327 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7328 if (lib != null && lib.apk != null) { 7329 return mPackages.get(lib.apk); 7330 } 7331 } 7332 return null; 7333 } 7334 7335 public void shutdown() { 7336 mPackageUsage.write(true); 7337 } 7338 7339 @Override 7340 public void forceDexOpt(String packageName) { 7341 enforceSystemOrRoot("forceDexOpt"); 7342 7343 PackageParser.Package pkg; 7344 synchronized (mPackages) { 7345 pkg = mPackages.get(packageName); 7346 if (pkg == null) { 7347 throw new IllegalArgumentException("Unknown package: " + packageName); 7348 } 7349 } 7350 7351 synchronized (mInstallLock) { 7352 final String[] instructionSets = new String[] { 7353 getPrimaryInstructionSet(pkg.applicationInfo) }; 7354 7355 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7356 7357 // Whoever is calling forceDexOpt wants a fully compiled package. 7358 // Don't use profiles since that may cause compilation to be skipped. 7359 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7360 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7361 true /* force */); 7362 7363 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7364 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7365 throw new IllegalStateException("Failed to dexopt: " + res); 7366 } 7367 } 7368 } 7369 7370 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7371 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7372 Slog.w(TAG, "Unable to update from " + oldPkg.name 7373 + " to " + newPkg.packageName 7374 + ": old package not in system partition"); 7375 return false; 7376 } else if (mPackages.get(oldPkg.name) != null) { 7377 Slog.w(TAG, "Unable to update from " + oldPkg.name 7378 + " to " + newPkg.packageName 7379 + ": old package still exists"); 7380 return false; 7381 } 7382 return true; 7383 } 7384 7385 void removeCodePathLI(File codePath) { 7386 if (codePath.isDirectory()) { 7387 try { 7388 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7389 } catch (InstallerException e) { 7390 Slog.w(TAG, "Failed to remove code path", e); 7391 } 7392 } else { 7393 codePath.delete(); 7394 } 7395 } 7396 7397 private int[] resolveUserIds(int userId) { 7398 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7399 } 7400 7401 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7402 if (pkg == null) { 7403 Slog.wtf(TAG, "Package was null!", new Throwable()); 7404 return; 7405 } 7406 clearAppDataLeafLIF(pkg, userId, flags); 7407 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7408 for (int i = 0; i < childCount; i++) { 7409 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7410 } 7411 } 7412 7413 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7414 final PackageSetting ps; 7415 synchronized (mPackages) { 7416 ps = mSettings.mPackages.get(pkg.packageName); 7417 } 7418 for (int realUserId : resolveUserIds(userId)) { 7419 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7420 try { 7421 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7422 ceDataInode); 7423 } catch (InstallerException e) { 7424 Slog.w(TAG, String.valueOf(e)); 7425 } 7426 } 7427 } 7428 7429 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7430 if (pkg == null) { 7431 Slog.wtf(TAG, "Package was null!", new Throwable()); 7432 return; 7433 } 7434 destroyAppDataLeafLIF(pkg, userId, flags); 7435 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7436 for (int i = 0; i < childCount; i++) { 7437 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7438 } 7439 } 7440 7441 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7442 final PackageSetting ps; 7443 synchronized (mPackages) { 7444 ps = mSettings.mPackages.get(pkg.packageName); 7445 } 7446 for (int realUserId : resolveUserIds(userId)) { 7447 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7448 try { 7449 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7450 ceDataInode); 7451 } catch (InstallerException e) { 7452 Slog.w(TAG, String.valueOf(e)); 7453 } 7454 } 7455 } 7456 7457 private void destroyAppProfilesLIF(PackageParser.Package pkg) { 7458 if (pkg == null) { 7459 Slog.wtf(TAG, "Package was null!", new Throwable()); 7460 return; 7461 } 7462 destroyAppProfilesLeafLIF(pkg); 7463 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7464 for (int i = 0; i < childCount; i++) { 7465 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7466 } 7467 } 7468 7469 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7470 try { 7471 mInstaller.destroyAppProfiles(pkg.packageName); 7472 } catch (InstallerException e) { 7473 Slog.w(TAG, String.valueOf(e)); 7474 } 7475 } 7476 7477 private void clearAppProfilesLIF(PackageParser.Package pkg) { 7478 if (pkg == null) { 7479 Slog.wtf(TAG, "Package was null!", new Throwable()); 7480 return; 7481 } 7482 clearAppProfilesLeafLIF(pkg); 7483 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7484 for (int i = 0; i < childCount; i++) { 7485 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7486 } 7487 } 7488 7489 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7490 try { 7491 mInstaller.clearAppProfiles(pkg.packageName); 7492 } catch (InstallerException e) { 7493 Slog.w(TAG, String.valueOf(e)); 7494 } 7495 } 7496 7497 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7498 long lastUpdateTime) { 7499 // Set parent install/update time 7500 PackageSetting ps = (PackageSetting) pkg.mExtras; 7501 if (ps != null) { 7502 ps.firstInstallTime = firstInstallTime; 7503 ps.lastUpdateTime = lastUpdateTime; 7504 } 7505 // Set children install/update time 7506 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7507 for (int i = 0; i < childCount; i++) { 7508 PackageParser.Package childPkg = pkg.childPackages.get(i); 7509 ps = (PackageSetting) childPkg.mExtras; 7510 if (ps != null) { 7511 ps.firstInstallTime = firstInstallTime; 7512 ps.lastUpdateTime = lastUpdateTime; 7513 } 7514 } 7515 } 7516 7517 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7518 PackageParser.Package changingLib) { 7519 if (file.path != null) { 7520 usesLibraryFiles.add(file.path); 7521 return; 7522 } 7523 PackageParser.Package p = mPackages.get(file.apk); 7524 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7525 // If we are doing this while in the middle of updating a library apk, 7526 // then we need to make sure to use that new apk for determining the 7527 // dependencies here. (We haven't yet finished committing the new apk 7528 // to the package manager state.) 7529 if (p == null || p.packageName.equals(changingLib.packageName)) { 7530 p = changingLib; 7531 } 7532 } 7533 if (p != null) { 7534 usesLibraryFiles.addAll(p.getAllCodePaths()); 7535 } 7536 } 7537 7538 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7539 PackageParser.Package changingLib) throws PackageManagerException { 7540 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7541 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7542 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7543 for (int i=0; i<N; i++) { 7544 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7545 if (file == null) { 7546 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7547 "Package " + pkg.packageName + " requires unavailable shared library " 7548 + pkg.usesLibraries.get(i) + "; failing!"); 7549 } 7550 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7551 } 7552 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7553 for (int i=0; i<N; i++) { 7554 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7555 if (file == null) { 7556 Slog.w(TAG, "Package " + pkg.packageName 7557 + " desires unavailable shared library " 7558 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7559 } else { 7560 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7561 } 7562 } 7563 N = usesLibraryFiles.size(); 7564 if (N > 0) { 7565 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7566 } else { 7567 pkg.usesLibraryFiles = null; 7568 } 7569 } 7570 } 7571 7572 private static boolean hasString(List<String> list, List<String> which) { 7573 if (list == null) { 7574 return false; 7575 } 7576 for (int i=list.size()-1; i>=0; i--) { 7577 for (int j=which.size()-1; j>=0; j--) { 7578 if (which.get(j).equals(list.get(i))) { 7579 return true; 7580 } 7581 } 7582 } 7583 return false; 7584 } 7585 7586 private void updateAllSharedLibrariesLPw() { 7587 for (PackageParser.Package pkg : mPackages.values()) { 7588 try { 7589 updateSharedLibrariesLPw(pkg, null); 7590 } catch (PackageManagerException e) { 7591 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7592 } 7593 } 7594 } 7595 7596 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7597 PackageParser.Package changingPkg) { 7598 ArrayList<PackageParser.Package> res = null; 7599 for (PackageParser.Package pkg : mPackages.values()) { 7600 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7601 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7602 if (res == null) { 7603 res = new ArrayList<PackageParser.Package>(); 7604 } 7605 res.add(pkg); 7606 try { 7607 updateSharedLibrariesLPw(pkg, changingPkg); 7608 } catch (PackageManagerException e) { 7609 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7610 } 7611 } 7612 } 7613 return res; 7614 } 7615 7616 /** 7617 * Derive the value of the {@code cpuAbiOverride} based on the provided 7618 * value and an optional stored value from the package settings. 7619 */ 7620 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7621 String cpuAbiOverride = null; 7622 7623 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7624 cpuAbiOverride = null; 7625 } else if (abiOverride != null) { 7626 cpuAbiOverride = abiOverride; 7627 } else if (settings != null) { 7628 cpuAbiOverride = settings.cpuAbiOverrideString; 7629 } 7630 7631 return cpuAbiOverride; 7632 } 7633 7634 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7635 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7636 throws PackageManagerException { 7637 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7638 // If the package has children and this is the first dive in the function 7639 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7640 // whether all packages (parent and children) would be successfully scanned 7641 // before the actual scan since scanning mutates internal state and we want 7642 // to atomically install the package and its children. 7643 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7644 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7645 scanFlags |= SCAN_CHECK_ONLY; 7646 } 7647 } else { 7648 scanFlags &= ~SCAN_CHECK_ONLY; 7649 } 7650 7651 final PackageParser.Package scannedPkg; 7652 try { 7653 // Scan the parent 7654 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7655 // Scan the children 7656 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7657 for (int i = 0; i < childCount; i++) { 7658 PackageParser.Package childPkg = pkg.childPackages.get(i); 7659 scanPackageLI(childPkg, policyFlags, 7660 scanFlags, currentTime, user); 7661 } 7662 } finally { 7663 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7664 } 7665 7666 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7667 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7668 } 7669 7670 return scannedPkg; 7671 } 7672 7673 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7674 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7675 boolean success = false; 7676 try { 7677 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7678 currentTime, user); 7679 success = true; 7680 return res; 7681 } finally { 7682 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7683 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7684 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7685 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7686 destroyAppProfilesLIF(pkg); 7687 } 7688 } 7689 } 7690 7691 /** 7692 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7693 */ 7694 private static boolean apkHasCode(String fileName) { 7695 StrictJarFile jarFile = null; 7696 try { 7697 jarFile = new StrictJarFile(fileName, 7698 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7699 return jarFile.findEntry("classes.dex") != null; 7700 } catch (IOException ignore) { 7701 } finally { 7702 try { 7703 jarFile.close(); 7704 } catch (IOException ignore) {} 7705 } 7706 return false; 7707 } 7708 7709 /** 7710 * Enforces code policy for the package. This ensures that if an APK has 7711 * declared hasCode="true" in its manifest that the APK actually contains 7712 * code. 7713 * 7714 * @throws PackageManagerException If bytecode could not be found when it should exist 7715 */ 7716 private static void enforceCodePolicy(PackageParser.Package pkg) 7717 throws PackageManagerException { 7718 final boolean shouldHaveCode = 7719 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7720 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7721 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7722 "Package " + pkg.baseCodePath + " code is missing"); 7723 } 7724 7725 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7726 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7727 final boolean splitShouldHaveCode = 7728 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7729 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7730 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7731 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7732 } 7733 } 7734 } 7735 } 7736 7737 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7738 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7739 throws PackageManagerException { 7740 final File scanFile = new File(pkg.codePath); 7741 if (pkg.applicationInfo.getCodePath() == null || 7742 pkg.applicationInfo.getResourcePath() == null) { 7743 // Bail out. The resource and code paths haven't been set. 7744 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7745 "Code and resource paths haven't been set correctly"); 7746 } 7747 7748 // Apply policy 7749 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7750 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7751 if (pkg.applicationInfo.isDirectBootAware()) { 7752 // we're direct boot aware; set for all components 7753 for (PackageParser.Service s : pkg.services) { 7754 s.info.encryptionAware = s.info.directBootAware = true; 7755 } 7756 for (PackageParser.Provider p : pkg.providers) { 7757 p.info.encryptionAware = p.info.directBootAware = true; 7758 } 7759 for (PackageParser.Activity a : pkg.activities) { 7760 a.info.encryptionAware = a.info.directBootAware = true; 7761 } 7762 for (PackageParser.Activity r : pkg.receivers) { 7763 r.info.encryptionAware = r.info.directBootAware = true; 7764 } 7765 } 7766 } else { 7767 // Only allow system apps to be flagged as core apps. 7768 pkg.coreApp = false; 7769 // clear flags not applicable to regular apps 7770 pkg.applicationInfo.privateFlags &= 7771 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7772 pkg.applicationInfo.privateFlags &= 7773 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7774 } 7775 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7776 7777 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7778 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7779 } 7780 7781 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7782 enforceCodePolicy(pkg); 7783 } 7784 7785 if (mCustomResolverComponentName != null && 7786 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7787 setUpCustomResolverActivity(pkg); 7788 } 7789 7790 if (pkg.packageName.equals("android")) { 7791 synchronized (mPackages) { 7792 if (mAndroidApplication != null) { 7793 Slog.w(TAG, "*************************************************"); 7794 Slog.w(TAG, "Core android package being redefined. Skipping."); 7795 Slog.w(TAG, " file=" + scanFile); 7796 Slog.w(TAG, "*************************************************"); 7797 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7798 "Core android package being redefined. Skipping."); 7799 } 7800 7801 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7802 // Set up information for our fall-back user intent resolution activity. 7803 mPlatformPackage = pkg; 7804 pkg.mVersionCode = mSdkVersion; 7805 mAndroidApplication = pkg.applicationInfo; 7806 7807 if (!mResolverReplaced) { 7808 mResolveActivity.applicationInfo = mAndroidApplication; 7809 mResolveActivity.name = ResolverActivity.class.getName(); 7810 mResolveActivity.packageName = mAndroidApplication.packageName; 7811 mResolveActivity.processName = "system:ui"; 7812 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7813 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7814 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7815 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7816 mResolveActivity.exported = true; 7817 mResolveActivity.enabled = true; 7818 mResolveInfo.activityInfo = mResolveActivity; 7819 mResolveInfo.priority = 0; 7820 mResolveInfo.preferredOrder = 0; 7821 mResolveInfo.match = 0; 7822 mResolveComponentName = new ComponentName( 7823 mAndroidApplication.packageName, mResolveActivity.name); 7824 } 7825 } 7826 } 7827 } 7828 7829 if (DEBUG_PACKAGE_SCANNING) { 7830 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7831 Log.d(TAG, "Scanning package " + pkg.packageName); 7832 } 7833 7834 synchronized (mPackages) { 7835 if (mPackages.containsKey(pkg.packageName) 7836 || mSharedLibraries.containsKey(pkg.packageName)) { 7837 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7838 "Application package " + pkg.packageName 7839 + " already installed. Skipping duplicate."); 7840 } 7841 7842 // If we're only installing presumed-existing packages, require that the 7843 // scanned APK is both already known and at the path previously established 7844 // for it. Previously unknown packages we pick up normally, but if we have an 7845 // a priori expectation about this package's install presence, enforce it. 7846 // With a singular exception for new system packages. When an OTA contains 7847 // a new system package, we allow the codepath to change from a system location 7848 // to the user-installed location. If we don't allow this change, any newer, 7849 // user-installed version of the application will be ignored. 7850 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7851 if (mExpectingBetter.containsKey(pkg.packageName)) { 7852 logCriticalInfo(Log.WARN, 7853 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7854 } else { 7855 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7856 if (known != null) { 7857 if (DEBUG_PACKAGE_SCANNING) { 7858 Log.d(TAG, "Examining " + pkg.codePath 7859 + " and requiring known paths " + known.codePathString 7860 + " & " + known.resourcePathString); 7861 } 7862 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7863 || !pkg.applicationInfo.getResourcePath().equals( 7864 known.resourcePathString)) { 7865 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7866 "Application package " + pkg.packageName 7867 + " found at " + pkg.applicationInfo.getCodePath() 7868 + " but expected at " + known.codePathString 7869 + "; ignoring."); 7870 } 7871 } 7872 } 7873 } 7874 } 7875 7876 // Initialize package source and resource directories 7877 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7878 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7879 7880 SharedUserSetting suid = null; 7881 PackageSetting pkgSetting = null; 7882 7883 if (!isSystemApp(pkg)) { 7884 // Only system apps can use these features. 7885 pkg.mOriginalPackages = null; 7886 pkg.mRealPackage = null; 7887 pkg.mAdoptPermissions = null; 7888 } 7889 7890 // Getting the package setting may have a side-effect, so if we 7891 // are only checking if scan would succeed, stash a copy of the 7892 // old setting to restore at the end. 7893 PackageSetting nonMutatedPs = null; 7894 7895 // writer 7896 synchronized (mPackages) { 7897 if (pkg.mSharedUserId != null) { 7898 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7899 if (suid == null) { 7900 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7901 "Creating application package " + pkg.packageName 7902 + " for shared user failed"); 7903 } 7904 if (DEBUG_PACKAGE_SCANNING) { 7905 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7906 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7907 + "): packages=" + suid.packages); 7908 } 7909 } 7910 7911 // Check if we are renaming from an original package name. 7912 PackageSetting origPackage = null; 7913 String realName = null; 7914 if (pkg.mOriginalPackages != null) { 7915 // This package may need to be renamed to a previously 7916 // installed name. Let's check on that... 7917 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7918 if (pkg.mOriginalPackages.contains(renamed)) { 7919 // This package had originally been installed as the 7920 // original name, and we have already taken care of 7921 // transitioning to the new one. Just update the new 7922 // one to continue using the old name. 7923 realName = pkg.mRealPackage; 7924 if (!pkg.packageName.equals(renamed)) { 7925 // Callers into this function may have already taken 7926 // care of renaming the package; only do it here if 7927 // it is not already done. 7928 pkg.setPackageName(renamed); 7929 } 7930 7931 } else { 7932 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7933 if ((origPackage = mSettings.peekPackageLPr( 7934 pkg.mOriginalPackages.get(i))) != null) { 7935 // We do have the package already installed under its 7936 // original name... should we use it? 7937 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7938 // New package is not compatible with original. 7939 origPackage = null; 7940 continue; 7941 } else if (origPackage.sharedUser != null) { 7942 // Make sure uid is compatible between packages. 7943 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7944 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7945 + " to " + pkg.packageName + ": old uid " 7946 + origPackage.sharedUser.name 7947 + " differs from " + pkg.mSharedUserId); 7948 origPackage = null; 7949 continue; 7950 } 7951 // TODO: Add case when shared user id is added [b/28144775] 7952 } else { 7953 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7954 + pkg.packageName + " to old name " + origPackage.name); 7955 } 7956 break; 7957 } 7958 } 7959 } 7960 } 7961 7962 if (mTransferedPackages.contains(pkg.packageName)) { 7963 Slog.w(TAG, "Package " + pkg.packageName 7964 + " was transferred to another, but its .apk remains"); 7965 } 7966 7967 // See comments in nonMutatedPs declaration 7968 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7969 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7970 if (foundPs != null) { 7971 nonMutatedPs = new PackageSetting(foundPs); 7972 } 7973 } 7974 7975 // Just create the setting, don't add it yet. For already existing packages 7976 // the PkgSetting exists already and doesn't have to be created. 7977 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7978 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7979 pkg.applicationInfo.primaryCpuAbi, 7980 pkg.applicationInfo.secondaryCpuAbi, 7981 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7982 user, false); 7983 if (pkgSetting == null) { 7984 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7985 "Creating application package " + pkg.packageName + " failed"); 7986 } 7987 7988 if (pkgSetting.origPackage != null) { 7989 // If we are first transitioning from an original package, 7990 // fix up the new package's name now. We need to do this after 7991 // looking up the package under its new name, so getPackageLP 7992 // can take care of fiddling things correctly. 7993 pkg.setPackageName(origPackage.name); 7994 7995 // File a report about this. 7996 String msg = "New package " + pkgSetting.realName 7997 + " renamed to replace old package " + pkgSetting.name; 7998 reportSettingsProblem(Log.WARN, msg); 7999 8000 // Make a note of it. 8001 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8002 mTransferedPackages.add(origPackage.name); 8003 } 8004 8005 // No longer need to retain this. 8006 pkgSetting.origPackage = null; 8007 } 8008 8009 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8010 // Make a note of it. 8011 mTransferedPackages.add(pkg.packageName); 8012 } 8013 8014 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8015 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8016 } 8017 8018 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8019 // Check all shared libraries and map to their actual file path. 8020 // We only do this here for apps not on a system dir, because those 8021 // are the only ones that can fail an install due to this. We 8022 // will take care of the system apps by updating all of their 8023 // library paths after the scan is done. 8024 updateSharedLibrariesLPw(pkg, null); 8025 } 8026 8027 if (mFoundPolicyFile) { 8028 SELinuxMMAC.assignSeinfoValue(pkg); 8029 } 8030 8031 pkg.applicationInfo.uid = pkgSetting.appId; 8032 pkg.mExtras = pkgSetting; 8033 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8034 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8035 // We just determined the app is signed correctly, so bring 8036 // over the latest parsed certs. 8037 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8038 } else { 8039 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8040 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8041 "Package " + pkg.packageName + " upgrade keys do not match the " 8042 + "previously installed version"); 8043 } else { 8044 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8045 String msg = "System package " + pkg.packageName 8046 + " signature changed; retaining data."; 8047 reportSettingsProblem(Log.WARN, msg); 8048 } 8049 } 8050 } else { 8051 try { 8052 verifySignaturesLP(pkgSetting, pkg); 8053 // We just determined the app is signed correctly, so bring 8054 // over the latest parsed certs. 8055 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8056 } catch (PackageManagerException e) { 8057 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8058 throw e; 8059 } 8060 // The signature has changed, but this package is in the system 8061 // image... let's recover! 8062 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8063 // However... if this package is part of a shared user, but it 8064 // doesn't match the signature of the shared user, let's fail. 8065 // What this means is that you can't change the signatures 8066 // associated with an overall shared user, which doesn't seem all 8067 // that unreasonable. 8068 if (pkgSetting.sharedUser != null) { 8069 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8070 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8071 throw new PackageManagerException( 8072 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8073 "Signature mismatch for shared user: " 8074 + pkgSetting.sharedUser); 8075 } 8076 } 8077 // File a report about this. 8078 String msg = "System package " + pkg.packageName 8079 + " signature changed; retaining data."; 8080 reportSettingsProblem(Log.WARN, msg); 8081 } 8082 } 8083 // Verify that this new package doesn't have any content providers 8084 // that conflict with existing packages. Only do this if the 8085 // package isn't already installed, since we don't want to break 8086 // things that are installed. 8087 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8088 final int N = pkg.providers.size(); 8089 int i; 8090 for (i=0; i<N; i++) { 8091 PackageParser.Provider p = pkg.providers.get(i); 8092 if (p.info.authority != null) { 8093 String names[] = p.info.authority.split(";"); 8094 for (int j = 0; j < names.length; j++) { 8095 if (mProvidersByAuthority.containsKey(names[j])) { 8096 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8097 final String otherPackageName = 8098 ((other != null && other.getComponentName() != null) ? 8099 other.getComponentName().getPackageName() : "?"); 8100 throw new PackageManagerException( 8101 INSTALL_FAILED_CONFLICTING_PROVIDER, 8102 "Can't install because provider name " + names[j] 8103 + " (in package " + pkg.applicationInfo.packageName 8104 + ") is already used by " + otherPackageName); 8105 } 8106 } 8107 } 8108 } 8109 } 8110 8111 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8112 // This package wants to adopt ownership of permissions from 8113 // another package. 8114 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8115 final String origName = pkg.mAdoptPermissions.get(i); 8116 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8117 if (orig != null) { 8118 if (verifyPackageUpdateLPr(orig, pkg)) { 8119 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8120 + pkg.packageName); 8121 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8122 } 8123 } 8124 } 8125 } 8126 } 8127 8128 final String pkgName = pkg.packageName; 8129 8130 final long scanFileTime = scanFile.lastModified(); 8131 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8132 pkg.applicationInfo.processName = fixProcessName( 8133 pkg.applicationInfo.packageName, 8134 pkg.applicationInfo.processName, 8135 pkg.applicationInfo.uid); 8136 8137 if (pkg != mPlatformPackage) { 8138 // Get all of our default paths setup 8139 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8140 } 8141 8142 final String path = scanFile.getPath(); 8143 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8144 8145 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8146 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8147 8148 // Some system apps still use directory structure for native libraries 8149 // in which case we might end up not detecting abi solely based on apk 8150 // structure. Try to detect abi based on directory structure. 8151 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8152 pkg.applicationInfo.primaryCpuAbi == null) { 8153 setBundledAppAbisAndRoots(pkg, pkgSetting); 8154 setNativeLibraryPaths(pkg); 8155 } 8156 8157 } else { 8158 if ((scanFlags & SCAN_MOVE) != 0) { 8159 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8160 // but we already have this packages package info in the PackageSetting. We just 8161 // use that and derive the native library path based on the new codepath. 8162 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8163 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8164 } 8165 8166 // Set native library paths again. For moves, the path will be updated based on the 8167 // ABIs we've determined above. For non-moves, the path will be updated based on the 8168 // ABIs we determined during compilation, but the path will depend on the final 8169 // package path (after the rename away from the stage path). 8170 setNativeLibraryPaths(pkg); 8171 } 8172 8173 // This is a special case for the "system" package, where the ABI is 8174 // dictated by the zygote configuration (and init.rc). We should keep track 8175 // of this ABI so that we can deal with "normal" applications that run under 8176 // the same UID correctly. 8177 if (mPlatformPackage == pkg) { 8178 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8179 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8180 } 8181 8182 // If there's a mismatch between the abi-override in the package setting 8183 // and the abiOverride specified for the install. Warn about this because we 8184 // would've already compiled the app without taking the package setting into 8185 // account. 8186 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8187 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8188 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8189 " for package " + pkg.packageName); 8190 } 8191 } 8192 8193 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8194 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8195 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8196 8197 // Copy the derived override back to the parsed package, so that we can 8198 // update the package settings accordingly. 8199 pkg.cpuAbiOverride = cpuAbiOverride; 8200 8201 if (DEBUG_ABI_SELECTION) { 8202 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8203 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8204 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8205 } 8206 8207 // Push the derived path down into PackageSettings so we know what to 8208 // clean up at uninstall time. 8209 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8210 8211 if (DEBUG_ABI_SELECTION) { 8212 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8213 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8214 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8215 } 8216 8217 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8218 // We don't do this here during boot because we can do it all 8219 // at once after scanning all existing packages. 8220 // 8221 // We also do this *before* we perform dexopt on this package, so that 8222 // we can avoid redundant dexopts, and also to make sure we've got the 8223 // code and package path correct. 8224 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8225 pkg, true /* boot complete */); 8226 } 8227 8228 if (mFactoryTest && pkg.requestedPermissions.contains( 8229 android.Manifest.permission.FACTORY_TEST)) { 8230 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8231 } 8232 8233 ArrayList<PackageParser.Package> clientLibPkgs = null; 8234 8235 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8236 if (nonMutatedPs != null) { 8237 synchronized (mPackages) { 8238 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8239 } 8240 } 8241 return pkg; 8242 } 8243 8244 // Only privileged apps and updated privileged apps can add child packages. 8245 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8246 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8247 throw new PackageManagerException("Only privileged apps and updated " 8248 + "privileged apps can add child packages. Ignoring package " 8249 + pkg.packageName); 8250 } 8251 final int childCount = pkg.childPackages.size(); 8252 for (int i = 0; i < childCount; i++) { 8253 PackageParser.Package childPkg = pkg.childPackages.get(i); 8254 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8255 childPkg.packageName)) { 8256 throw new PackageManagerException("Cannot override a child package of " 8257 + "another disabled system app. Ignoring package " + pkg.packageName); 8258 } 8259 } 8260 } 8261 8262 // writer 8263 synchronized (mPackages) { 8264 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8265 // Only system apps can add new shared libraries. 8266 if (pkg.libraryNames != null) { 8267 for (int i=0; i<pkg.libraryNames.size(); i++) { 8268 String name = pkg.libraryNames.get(i); 8269 boolean allowed = false; 8270 if (pkg.isUpdatedSystemApp()) { 8271 // New library entries can only be added through the 8272 // system image. This is important to get rid of a lot 8273 // of nasty edge cases: for example if we allowed a non- 8274 // system update of the app to add a library, then uninstalling 8275 // the update would make the library go away, and assumptions 8276 // we made such as through app install filtering would now 8277 // have allowed apps on the device which aren't compatible 8278 // with it. Better to just have the restriction here, be 8279 // conservative, and create many fewer cases that can negatively 8280 // impact the user experience. 8281 final PackageSetting sysPs = mSettings 8282 .getDisabledSystemPkgLPr(pkg.packageName); 8283 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8284 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8285 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8286 allowed = true; 8287 break; 8288 } 8289 } 8290 } 8291 } else { 8292 allowed = true; 8293 } 8294 if (allowed) { 8295 if (!mSharedLibraries.containsKey(name)) { 8296 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8297 } else if (!name.equals(pkg.packageName)) { 8298 Slog.w(TAG, "Package " + pkg.packageName + " library " 8299 + name + " already exists; skipping"); 8300 } 8301 } else { 8302 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8303 + name + " that is not declared on system image; skipping"); 8304 } 8305 } 8306 if ((scanFlags & SCAN_BOOTING) == 0) { 8307 // If we are not booting, we need to update any applications 8308 // that are clients of our shared library. If we are booting, 8309 // this will all be done once the scan is complete. 8310 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8311 } 8312 } 8313 } 8314 } 8315 8316 if ((scanFlags & SCAN_BOOTING) != 0) { 8317 // No apps can run during boot scan, so they don't need to be frozen 8318 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8319 // Caller asked to not kill app, so it's probably not frozen 8320 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8321 // Caller asked us to ignore frozen check for some reason; they 8322 // probably didn't know the package name 8323 } else { 8324 // We're doing major surgery on this package, so it better be frozen 8325 // right now to keep it from launching 8326 checkPackageFrozen(pkgName); 8327 } 8328 8329 // Also need to kill any apps that are dependent on the library. 8330 if (clientLibPkgs != null) { 8331 for (int i=0; i<clientLibPkgs.size(); i++) { 8332 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8333 killApplication(clientPkg.applicationInfo.packageName, 8334 clientPkg.applicationInfo.uid, "update lib"); 8335 } 8336 } 8337 8338 // Make sure we're not adding any bogus keyset info 8339 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8340 ksms.assertScannedPackageValid(pkg); 8341 8342 // writer 8343 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8344 8345 boolean createIdmapFailed = false; 8346 synchronized (mPackages) { 8347 // We don't expect installation to fail beyond this point 8348 8349 // Add the new setting to mSettings 8350 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8351 // Add the new setting to mPackages 8352 mPackages.put(pkg.applicationInfo.packageName, pkg); 8353 // Make sure we don't accidentally delete its data. 8354 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8355 while (iter.hasNext()) { 8356 PackageCleanItem item = iter.next(); 8357 if (pkgName.equals(item.packageName)) { 8358 iter.remove(); 8359 } 8360 } 8361 8362 // Take care of first install / last update times. 8363 if (currentTime != 0) { 8364 if (pkgSetting.firstInstallTime == 0) { 8365 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8366 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8367 pkgSetting.lastUpdateTime = currentTime; 8368 } 8369 } else if (pkgSetting.firstInstallTime == 0) { 8370 // We need *something*. Take time time stamp of the file. 8371 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8372 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8373 if (scanFileTime != pkgSetting.timeStamp) { 8374 // A package on the system image has changed; consider this 8375 // to be an update. 8376 pkgSetting.lastUpdateTime = scanFileTime; 8377 } 8378 } 8379 8380 // Add the package's KeySets to the global KeySetManagerService 8381 ksms.addScannedPackageLPw(pkg); 8382 8383 int N = pkg.providers.size(); 8384 StringBuilder r = null; 8385 int i; 8386 for (i=0; i<N; i++) { 8387 PackageParser.Provider p = pkg.providers.get(i); 8388 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8389 p.info.processName, pkg.applicationInfo.uid); 8390 mProviders.addProvider(p); 8391 p.syncable = p.info.isSyncable; 8392 if (p.info.authority != null) { 8393 String names[] = p.info.authority.split(";"); 8394 p.info.authority = null; 8395 for (int j = 0; j < names.length; j++) { 8396 if (j == 1 && p.syncable) { 8397 // We only want the first authority for a provider to possibly be 8398 // syncable, so if we already added this provider using a different 8399 // authority clear the syncable flag. We copy the provider before 8400 // changing it because the mProviders object contains a reference 8401 // to a provider that we don't want to change. 8402 // Only do this for the second authority since the resulting provider 8403 // object can be the same for all future authorities for this provider. 8404 p = new PackageParser.Provider(p); 8405 p.syncable = false; 8406 } 8407 if (!mProvidersByAuthority.containsKey(names[j])) { 8408 mProvidersByAuthority.put(names[j], p); 8409 if (p.info.authority == null) { 8410 p.info.authority = names[j]; 8411 } else { 8412 p.info.authority = p.info.authority + ";" + names[j]; 8413 } 8414 if (DEBUG_PACKAGE_SCANNING) { 8415 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8416 Log.d(TAG, "Registered content provider: " + names[j] 8417 + ", className = " + p.info.name + ", isSyncable = " 8418 + p.info.isSyncable); 8419 } 8420 } else { 8421 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8422 Slog.w(TAG, "Skipping provider name " + names[j] + 8423 " (in package " + pkg.applicationInfo.packageName + 8424 "): name already used by " 8425 + ((other != null && other.getComponentName() != null) 8426 ? other.getComponentName().getPackageName() : "?")); 8427 } 8428 } 8429 } 8430 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8431 if (r == null) { 8432 r = new StringBuilder(256); 8433 } else { 8434 r.append(' '); 8435 } 8436 r.append(p.info.name); 8437 } 8438 } 8439 if (r != null) { 8440 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8441 } 8442 8443 N = pkg.services.size(); 8444 r = null; 8445 for (i=0; i<N; i++) { 8446 PackageParser.Service s = pkg.services.get(i); 8447 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8448 s.info.processName, pkg.applicationInfo.uid); 8449 mServices.addService(s); 8450 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8451 if (r == null) { 8452 r = new StringBuilder(256); 8453 } else { 8454 r.append(' '); 8455 } 8456 r.append(s.info.name); 8457 } 8458 } 8459 if (r != null) { 8460 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8461 } 8462 8463 N = pkg.receivers.size(); 8464 r = null; 8465 for (i=0; i<N; i++) { 8466 PackageParser.Activity a = pkg.receivers.get(i); 8467 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8468 a.info.processName, pkg.applicationInfo.uid); 8469 mReceivers.addActivity(a, "receiver"); 8470 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8471 if (r == null) { 8472 r = new StringBuilder(256); 8473 } else { 8474 r.append(' '); 8475 } 8476 r.append(a.info.name); 8477 } 8478 } 8479 if (r != null) { 8480 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8481 } 8482 8483 N = pkg.activities.size(); 8484 r = null; 8485 for (i=0; i<N; i++) { 8486 PackageParser.Activity a = pkg.activities.get(i); 8487 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8488 a.info.processName, pkg.applicationInfo.uid); 8489 mActivities.addActivity(a, "activity"); 8490 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8491 if (r == null) { 8492 r = new StringBuilder(256); 8493 } else { 8494 r.append(' '); 8495 } 8496 r.append(a.info.name); 8497 } 8498 } 8499 if (r != null) { 8500 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8501 } 8502 8503 N = pkg.permissionGroups.size(); 8504 r = null; 8505 for (i=0; i<N; i++) { 8506 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8507 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8508 if (cur == null) { 8509 mPermissionGroups.put(pg.info.name, pg); 8510 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8511 if (r == null) { 8512 r = new StringBuilder(256); 8513 } else { 8514 r.append(' '); 8515 } 8516 r.append(pg.info.name); 8517 } 8518 } else { 8519 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8520 + pg.info.packageName + " ignored: original from " 8521 + cur.info.packageName); 8522 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8523 if (r == null) { 8524 r = new StringBuilder(256); 8525 } else { 8526 r.append(' '); 8527 } 8528 r.append("DUP:"); 8529 r.append(pg.info.name); 8530 } 8531 } 8532 } 8533 if (r != null) { 8534 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8535 } 8536 8537 N = pkg.permissions.size(); 8538 r = null; 8539 for (i=0; i<N; i++) { 8540 PackageParser.Permission p = pkg.permissions.get(i); 8541 8542 // Assume by default that we did not install this permission into the system. 8543 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8544 8545 // Now that permission groups have a special meaning, we ignore permission 8546 // groups for legacy apps to prevent unexpected behavior. In particular, 8547 // permissions for one app being granted to someone just becase they happen 8548 // to be in a group defined by another app (before this had no implications). 8549 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8550 p.group = mPermissionGroups.get(p.info.group); 8551 // Warn for a permission in an unknown group. 8552 if (p.info.group != null && p.group == null) { 8553 Slog.w(TAG, "Permission " + p.info.name + " from package " 8554 + p.info.packageName + " in an unknown group " + p.info.group); 8555 } 8556 } 8557 8558 ArrayMap<String, BasePermission> permissionMap = 8559 p.tree ? mSettings.mPermissionTrees 8560 : mSettings.mPermissions; 8561 BasePermission bp = permissionMap.get(p.info.name); 8562 8563 // Allow system apps to redefine non-system permissions 8564 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8565 final boolean currentOwnerIsSystem = (bp.perm != null 8566 && isSystemApp(bp.perm.owner)); 8567 if (isSystemApp(p.owner)) { 8568 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8569 // It's a built-in permission and no owner, take ownership now 8570 bp.packageSetting = pkgSetting; 8571 bp.perm = p; 8572 bp.uid = pkg.applicationInfo.uid; 8573 bp.sourcePackage = p.info.packageName; 8574 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8575 } else if (!currentOwnerIsSystem) { 8576 String msg = "New decl " + p.owner + " of permission " 8577 + p.info.name + " is system; overriding " + bp.sourcePackage; 8578 reportSettingsProblem(Log.WARN, msg); 8579 bp = null; 8580 } 8581 } 8582 } 8583 8584 if (bp == null) { 8585 bp = new BasePermission(p.info.name, p.info.packageName, 8586 BasePermission.TYPE_NORMAL); 8587 permissionMap.put(p.info.name, bp); 8588 } 8589 8590 if (bp.perm == null) { 8591 if (bp.sourcePackage == null 8592 || bp.sourcePackage.equals(p.info.packageName)) { 8593 BasePermission tree = findPermissionTreeLP(p.info.name); 8594 if (tree == null 8595 || tree.sourcePackage.equals(p.info.packageName)) { 8596 bp.packageSetting = pkgSetting; 8597 bp.perm = p; 8598 bp.uid = pkg.applicationInfo.uid; 8599 bp.sourcePackage = p.info.packageName; 8600 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8601 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8602 if (r == null) { 8603 r = new StringBuilder(256); 8604 } else { 8605 r.append(' '); 8606 } 8607 r.append(p.info.name); 8608 } 8609 } else { 8610 Slog.w(TAG, "Permission " + p.info.name + " from package " 8611 + p.info.packageName + " ignored: base tree " 8612 + tree.name + " is from package " 8613 + tree.sourcePackage); 8614 } 8615 } else { 8616 Slog.w(TAG, "Permission " + p.info.name + " from package " 8617 + p.info.packageName + " ignored: original from " 8618 + bp.sourcePackage); 8619 } 8620 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8621 if (r == null) { 8622 r = new StringBuilder(256); 8623 } else { 8624 r.append(' '); 8625 } 8626 r.append("DUP:"); 8627 r.append(p.info.name); 8628 } 8629 if (bp.perm == p) { 8630 bp.protectionLevel = p.info.protectionLevel; 8631 } 8632 } 8633 8634 if (r != null) { 8635 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8636 } 8637 8638 N = pkg.instrumentation.size(); 8639 r = null; 8640 for (i=0; i<N; i++) { 8641 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8642 a.info.packageName = pkg.applicationInfo.packageName; 8643 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8644 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8645 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8646 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8647 a.info.dataDir = pkg.applicationInfo.dataDir; 8648 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8649 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8650 8651 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8652 // need other information about the application, like the ABI and what not ? 8653 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8654 mInstrumentation.put(a.getComponentName(), a); 8655 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8656 if (r == null) { 8657 r = new StringBuilder(256); 8658 } else { 8659 r.append(' '); 8660 } 8661 r.append(a.info.name); 8662 } 8663 } 8664 if (r != null) { 8665 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8666 } 8667 8668 if (pkg.protectedBroadcasts != null) { 8669 N = pkg.protectedBroadcasts.size(); 8670 for (i=0; i<N; i++) { 8671 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8672 } 8673 } 8674 8675 pkgSetting.setTimeStamp(scanFileTime); 8676 8677 // Create idmap files for pairs of (packages, overlay packages). 8678 // Note: "android", ie framework-res.apk, is handled by native layers. 8679 if (pkg.mOverlayTarget != null) { 8680 // This is an overlay package. 8681 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8682 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8683 mOverlays.put(pkg.mOverlayTarget, 8684 new ArrayMap<String, PackageParser.Package>()); 8685 } 8686 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8687 map.put(pkg.packageName, pkg); 8688 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8689 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8690 createIdmapFailed = true; 8691 } 8692 } 8693 } else if (mOverlays.containsKey(pkg.packageName) && 8694 !pkg.packageName.equals("android")) { 8695 // This is a regular package, with one or more known overlay packages. 8696 createIdmapsForPackageLI(pkg); 8697 } 8698 } 8699 8700 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8701 8702 if (createIdmapFailed) { 8703 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8704 "scanPackageLI failed to createIdmap"); 8705 } 8706 return pkg; 8707 } 8708 8709 /** 8710 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8711 * is derived purely on the basis of the contents of {@code scanFile} and 8712 * {@code cpuAbiOverride}. 8713 * 8714 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8715 */ 8716 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8717 String cpuAbiOverride, boolean extractLibs) 8718 throws PackageManagerException { 8719 // TODO: We can probably be smarter about this stuff. For installed apps, 8720 // we can calculate this information at install time once and for all. For 8721 // system apps, we can probably assume that this information doesn't change 8722 // after the first boot scan. As things stand, we do lots of unnecessary work. 8723 8724 // Give ourselves some initial paths; we'll come back for another 8725 // pass once we've determined ABI below. 8726 setNativeLibraryPaths(pkg); 8727 8728 // We would never need to extract libs for forward-locked and external packages, 8729 // since the container service will do it for us. We shouldn't attempt to 8730 // extract libs from system app when it was not updated. 8731 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8732 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8733 extractLibs = false; 8734 } 8735 8736 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8737 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8738 8739 NativeLibraryHelper.Handle handle = null; 8740 try { 8741 handle = NativeLibraryHelper.Handle.create(pkg); 8742 // TODO(multiArch): This can be null for apps that didn't go through the 8743 // usual installation process. We can calculate it again, like we 8744 // do during install time. 8745 // 8746 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8747 // unnecessary. 8748 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8749 8750 // Null out the abis so that they can be recalculated. 8751 pkg.applicationInfo.primaryCpuAbi = null; 8752 pkg.applicationInfo.secondaryCpuAbi = null; 8753 if (isMultiArch(pkg.applicationInfo)) { 8754 // Warn if we've set an abiOverride for multi-lib packages.. 8755 // By definition, we need to copy both 32 and 64 bit libraries for 8756 // such packages. 8757 if (pkg.cpuAbiOverride != null 8758 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8759 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8760 } 8761 8762 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8763 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8764 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8765 if (extractLibs) { 8766 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8767 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8768 useIsaSpecificSubdirs); 8769 } else { 8770 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8771 } 8772 } 8773 8774 maybeThrowExceptionForMultiArchCopy( 8775 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8776 8777 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8778 if (extractLibs) { 8779 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8780 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8781 useIsaSpecificSubdirs); 8782 } else { 8783 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8784 } 8785 } 8786 8787 maybeThrowExceptionForMultiArchCopy( 8788 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8789 8790 if (abi64 >= 0) { 8791 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8792 } 8793 8794 if (abi32 >= 0) { 8795 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8796 if (abi64 >= 0) { 8797 if (pkg.use32bitAbi) { 8798 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8799 pkg.applicationInfo.primaryCpuAbi = abi; 8800 } else { 8801 pkg.applicationInfo.secondaryCpuAbi = abi; 8802 } 8803 } else { 8804 pkg.applicationInfo.primaryCpuAbi = abi; 8805 } 8806 } 8807 8808 } else { 8809 String[] abiList = (cpuAbiOverride != null) ? 8810 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8811 8812 // Enable gross and lame hacks for apps that are built with old 8813 // SDK tools. We must scan their APKs for renderscript bitcode and 8814 // not launch them if it's present. Don't bother checking on devices 8815 // that don't have 64 bit support. 8816 boolean needsRenderScriptOverride = false; 8817 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8818 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8819 abiList = Build.SUPPORTED_32_BIT_ABIS; 8820 needsRenderScriptOverride = true; 8821 } 8822 8823 final int copyRet; 8824 if (extractLibs) { 8825 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8826 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8827 } else { 8828 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8829 } 8830 8831 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8832 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8833 "Error unpackaging native libs for app, errorCode=" + copyRet); 8834 } 8835 8836 if (copyRet >= 0) { 8837 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8838 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8839 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8840 } else if (needsRenderScriptOverride) { 8841 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8842 } 8843 } 8844 } catch (IOException ioe) { 8845 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8846 } finally { 8847 IoUtils.closeQuietly(handle); 8848 } 8849 8850 // Now that we've calculated the ABIs and determined if it's an internal app, 8851 // we will go ahead and populate the nativeLibraryPath. 8852 setNativeLibraryPaths(pkg); 8853 } 8854 8855 /** 8856 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8857 * i.e, so that all packages can be run inside a single process if required. 8858 * 8859 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8860 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8861 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8862 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8863 * updating a package that belongs to a shared user. 8864 * 8865 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8866 * adds unnecessary complexity. 8867 */ 8868 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8869 PackageParser.Package scannedPackage, boolean bootComplete) { 8870 String requiredInstructionSet = null; 8871 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8872 requiredInstructionSet = VMRuntime.getInstructionSet( 8873 scannedPackage.applicationInfo.primaryCpuAbi); 8874 } 8875 8876 PackageSetting requirer = null; 8877 for (PackageSetting ps : packagesForUser) { 8878 // If packagesForUser contains scannedPackage, we skip it. This will happen 8879 // when scannedPackage is an update of an existing package. Without this check, 8880 // we will never be able to change the ABI of any package belonging to a shared 8881 // user, even if it's compatible with other packages. 8882 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8883 if (ps.primaryCpuAbiString == null) { 8884 continue; 8885 } 8886 8887 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8888 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8889 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8890 // this but there's not much we can do. 8891 String errorMessage = "Instruction set mismatch, " 8892 + ((requirer == null) ? "[caller]" : requirer) 8893 + " requires " + requiredInstructionSet + " whereas " + ps 8894 + " requires " + instructionSet; 8895 Slog.w(TAG, errorMessage); 8896 } 8897 8898 if (requiredInstructionSet == null) { 8899 requiredInstructionSet = instructionSet; 8900 requirer = ps; 8901 } 8902 } 8903 } 8904 8905 if (requiredInstructionSet != null) { 8906 String adjustedAbi; 8907 if (requirer != null) { 8908 // requirer != null implies that either scannedPackage was null or that scannedPackage 8909 // did not require an ABI, in which case we have to adjust scannedPackage to match 8910 // the ABI of the set (which is the same as requirer's ABI) 8911 adjustedAbi = requirer.primaryCpuAbiString; 8912 if (scannedPackage != null) { 8913 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8914 } 8915 } else { 8916 // requirer == null implies that we're updating all ABIs in the set to 8917 // match scannedPackage. 8918 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8919 } 8920 8921 for (PackageSetting ps : packagesForUser) { 8922 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8923 if (ps.primaryCpuAbiString != null) { 8924 continue; 8925 } 8926 8927 ps.primaryCpuAbiString = adjustedAbi; 8928 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8929 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8930 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8931 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8932 + " (requirer=" 8933 + (requirer == null ? "null" : requirer.pkg.packageName) 8934 + ", scannedPackage=" 8935 + (scannedPackage != null ? scannedPackage.packageName : "null") 8936 + ")"); 8937 try { 8938 mInstaller.rmdex(ps.codePathString, 8939 getDexCodeInstructionSet(getPreferredInstructionSet())); 8940 } catch (InstallerException ignored) { 8941 } 8942 } 8943 } 8944 } 8945 } 8946 } 8947 8948 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8949 synchronized (mPackages) { 8950 mResolverReplaced = true; 8951 // Set up information for custom user intent resolution activity. 8952 mResolveActivity.applicationInfo = pkg.applicationInfo; 8953 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8954 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8955 mResolveActivity.processName = pkg.applicationInfo.packageName; 8956 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8957 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8958 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8959 mResolveActivity.theme = 0; 8960 mResolveActivity.exported = true; 8961 mResolveActivity.enabled = true; 8962 mResolveInfo.activityInfo = mResolveActivity; 8963 mResolveInfo.priority = 0; 8964 mResolveInfo.preferredOrder = 0; 8965 mResolveInfo.match = 0; 8966 mResolveComponentName = mCustomResolverComponentName; 8967 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8968 mResolveComponentName); 8969 } 8970 } 8971 8972 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8973 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8974 8975 // Set up information for ephemeral installer activity 8976 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8977 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8978 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8979 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8980 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8981 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8982 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8983 mEphemeralInstallerActivity.theme = 0; 8984 mEphemeralInstallerActivity.exported = true; 8985 mEphemeralInstallerActivity.enabled = true; 8986 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8987 mEphemeralInstallerInfo.priority = 0; 8988 mEphemeralInstallerInfo.preferredOrder = 0; 8989 mEphemeralInstallerInfo.match = 0; 8990 8991 if (DEBUG_EPHEMERAL) { 8992 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8993 } 8994 } 8995 8996 private static String calculateBundledApkRoot(final String codePathString) { 8997 final File codePath = new File(codePathString); 8998 final File codeRoot; 8999 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9000 codeRoot = Environment.getRootDirectory(); 9001 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9002 codeRoot = Environment.getOemDirectory(); 9003 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9004 codeRoot = Environment.getVendorDirectory(); 9005 } else { 9006 // Unrecognized code path; take its top real segment as the apk root: 9007 // e.g. /something/app/blah.apk => /something 9008 try { 9009 File f = codePath.getCanonicalFile(); 9010 File parent = f.getParentFile(); // non-null because codePath is a file 9011 File tmp; 9012 while ((tmp = parent.getParentFile()) != null) { 9013 f = parent; 9014 parent = tmp; 9015 } 9016 codeRoot = f; 9017 Slog.w(TAG, "Unrecognized code path " 9018 + codePath + " - using " + codeRoot); 9019 } catch (IOException e) { 9020 // Can't canonicalize the code path -- shenanigans? 9021 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9022 return Environment.getRootDirectory().getPath(); 9023 } 9024 } 9025 return codeRoot.getPath(); 9026 } 9027 9028 /** 9029 * Derive and set the location of native libraries for the given package, 9030 * which varies depending on where and how the package was installed. 9031 */ 9032 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9033 final ApplicationInfo info = pkg.applicationInfo; 9034 final String codePath = pkg.codePath; 9035 final File codeFile = new File(codePath); 9036 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9037 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9038 9039 info.nativeLibraryRootDir = null; 9040 info.nativeLibraryRootRequiresIsa = false; 9041 info.nativeLibraryDir = null; 9042 info.secondaryNativeLibraryDir = null; 9043 9044 if (isApkFile(codeFile)) { 9045 // Monolithic install 9046 if (bundledApp) { 9047 // If "/system/lib64/apkname" exists, assume that is the per-package 9048 // native library directory to use; otherwise use "/system/lib/apkname". 9049 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9050 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9051 getPrimaryInstructionSet(info)); 9052 9053 // This is a bundled system app so choose the path based on the ABI. 9054 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9055 // is just the default path. 9056 final String apkName = deriveCodePathName(codePath); 9057 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9058 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9059 apkName).getAbsolutePath(); 9060 9061 if (info.secondaryCpuAbi != null) { 9062 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9063 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9064 secondaryLibDir, apkName).getAbsolutePath(); 9065 } 9066 } else if (asecApp) { 9067 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9068 .getAbsolutePath(); 9069 } else { 9070 final String apkName = deriveCodePathName(codePath); 9071 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9072 .getAbsolutePath(); 9073 } 9074 9075 info.nativeLibraryRootRequiresIsa = false; 9076 info.nativeLibraryDir = info.nativeLibraryRootDir; 9077 } else { 9078 // Cluster install 9079 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9080 info.nativeLibraryRootRequiresIsa = true; 9081 9082 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9083 getPrimaryInstructionSet(info)).getAbsolutePath(); 9084 9085 if (info.secondaryCpuAbi != null) { 9086 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9087 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9088 } 9089 } 9090 } 9091 9092 /** 9093 * Calculate the abis and roots for a bundled app. These can uniquely 9094 * be determined from the contents of the system partition, i.e whether 9095 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9096 * of this information, and instead assume that the system was built 9097 * sensibly. 9098 */ 9099 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9100 PackageSetting pkgSetting) { 9101 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9102 9103 // If "/system/lib64/apkname" exists, assume that is the per-package 9104 // native library directory to use; otherwise use "/system/lib/apkname". 9105 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9106 setBundledAppAbi(pkg, apkRoot, apkName); 9107 // pkgSetting might be null during rescan following uninstall of updates 9108 // to a bundled app, so accommodate that possibility. The settings in 9109 // that case will be established later from the parsed package. 9110 // 9111 // If the settings aren't null, sync them up with what we've just derived. 9112 // note that apkRoot isn't stored in the package settings. 9113 if (pkgSetting != null) { 9114 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9115 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9116 } 9117 } 9118 9119 /** 9120 * Deduces the ABI of a bundled app and sets the relevant fields on the 9121 * parsed pkg object. 9122 * 9123 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9124 * under which system libraries are installed. 9125 * @param apkName the name of the installed package. 9126 */ 9127 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9128 final File codeFile = new File(pkg.codePath); 9129 9130 final boolean has64BitLibs; 9131 final boolean has32BitLibs; 9132 if (isApkFile(codeFile)) { 9133 // Monolithic install 9134 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9135 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9136 } else { 9137 // Cluster install 9138 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9139 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9140 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9141 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9142 has64BitLibs = (new File(rootDir, isa)).exists(); 9143 } else { 9144 has64BitLibs = false; 9145 } 9146 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9147 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9148 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9149 has32BitLibs = (new File(rootDir, isa)).exists(); 9150 } else { 9151 has32BitLibs = false; 9152 } 9153 } 9154 9155 if (has64BitLibs && !has32BitLibs) { 9156 // The package has 64 bit libs, but not 32 bit libs. Its primary 9157 // ABI should be 64 bit. We can safely assume here that the bundled 9158 // native libraries correspond to the most preferred ABI in the list. 9159 9160 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9161 pkg.applicationInfo.secondaryCpuAbi = null; 9162 } else if (has32BitLibs && !has64BitLibs) { 9163 // The package has 32 bit libs but not 64 bit libs. Its primary 9164 // ABI should be 32 bit. 9165 9166 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9167 pkg.applicationInfo.secondaryCpuAbi = null; 9168 } else if (has32BitLibs && has64BitLibs) { 9169 // The application has both 64 and 32 bit bundled libraries. We check 9170 // here that the app declares multiArch support, and warn if it doesn't. 9171 // 9172 // We will be lenient here and record both ABIs. The primary will be the 9173 // ABI that's higher on the list, i.e, a device that's configured to prefer 9174 // 64 bit apps will see a 64 bit primary ABI, 9175 9176 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9177 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9178 } 9179 9180 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9181 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9182 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9183 } else { 9184 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9185 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9186 } 9187 } else { 9188 pkg.applicationInfo.primaryCpuAbi = null; 9189 pkg.applicationInfo.secondaryCpuAbi = null; 9190 } 9191 } 9192 9193 private void killApplication(String pkgName, int appId, String reason) { 9194 // Request the ActivityManager to kill the process(only for existing packages) 9195 // so that we do not end up in a confused state while the user is still using the older 9196 // version of the application while the new one gets installed. 9197 final long token = Binder.clearCallingIdentity(); 9198 try { 9199 IActivityManager am = ActivityManagerNative.getDefault(); 9200 if (am != null) { 9201 try { 9202 am.killApplicationWithAppId(pkgName, appId, reason); 9203 } catch (RemoteException e) { 9204 } 9205 } 9206 } finally { 9207 Binder.restoreCallingIdentity(token); 9208 } 9209 } 9210 9211 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9212 // Remove the parent package setting 9213 PackageSetting ps = (PackageSetting) pkg.mExtras; 9214 if (ps != null) { 9215 removePackageLI(ps, chatty); 9216 } 9217 // Remove the child package setting 9218 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9219 for (int i = 0; i < childCount; i++) { 9220 PackageParser.Package childPkg = pkg.childPackages.get(i); 9221 ps = (PackageSetting) childPkg.mExtras; 9222 if (ps != null) { 9223 removePackageLI(ps, chatty); 9224 } 9225 } 9226 } 9227 9228 void removePackageLI(PackageSetting ps, boolean chatty) { 9229 if (DEBUG_INSTALL) { 9230 if (chatty) 9231 Log.d(TAG, "Removing package " + ps.name); 9232 } 9233 9234 // writer 9235 synchronized (mPackages) { 9236 mPackages.remove(ps.name); 9237 final PackageParser.Package pkg = ps.pkg; 9238 if (pkg != null) { 9239 cleanPackageDataStructuresLILPw(pkg, chatty); 9240 } 9241 } 9242 } 9243 9244 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9245 if (DEBUG_INSTALL) { 9246 if (chatty) 9247 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9248 } 9249 9250 // writer 9251 synchronized (mPackages) { 9252 // Remove the parent package 9253 mPackages.remove(pkg.applicationInfo.packageName); 9254 cleanPackageDataStructuresLILPw(pkg, chatty); 9255 9256 // Remove the child packages 9257 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9258 for (int i = 0; i < childCount; i++) { 9259 PackageParser.Package childPkg = pkg.childPackages.get(i); 9260 mPackages.remove(childPkg.applicationInfo.packageName); 9261 cleanPackageDataStructuresLILPw(childPkg, chatty); 9262 } 9263 } 9264 } 9265 9266 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9267 int N = pkg.providers.size(); 9268 StringBuilder r = null; 9269 int i; 9270 for (i=0; i<N; i++) { 9271 PackageParser.Provider p = pkg.providers.get(i); 9272 mProviders.removeProvider(p); 9273 if (p.info.authority == null) { 9274 9275 /* There was another ContentProvider with this authority when 9276 * this app was installed so this authority is null, 9277 * Ignore it as we don't have to unregister the provider. 9278 */ 9279 continue; 9280 } 9281 String names[] = p.info.authority.split(";"); 9282 for (int j = 0; j < names.length; j++) { 9283 if (mProvidersByAuthority.get(names[j]) == p) { 9284 mProvidersByAuthority.remove(names[j]); 9285 if (DEBUG_REMOVE) { 9286 if (chatty) 9287 Log.d(TAG, "Unregistered content provider: " + names[j] 9288 + ", className = " + p.info.name + ", isSyncable = " 9289 + p.info.isSyncable); 9290 } 9291 } 9292 } 9293 if (DEBUG_REMOVE && chatty) { 9294 if (r == null) { 9295 r = new StringBuilder(256); 9296 } else { 9297 r.append(' '); 9298 } 9299 r.append(p.info.name); 9300 } 9301 } 9302 if (r != null) { 9303 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9304 } 9305 9306 N = pkg.services.size(); 9307 r = null; 9308 for (i=0; i<N; i++) { 9309 PackageParser.Service s = pkg.services.get(i); 9310 mServices.removeService(s); 9311 if (chatty) { 9312 if (r == null) { 9313 r = new StringBuilder(256); 9314 } else { 9315 r.append(' '); 9316 } 9317 r.append(s.info.name); 9318 } 9319 } 9320 if (r != null) { 9321 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9322 } 9323 9324 N = pkg.receivers.size(); 9325 r = null; 9326 for (i=0; i<N; i++) { 9327 PackageParser.Activity a = pkg.receivers.get(i); 9328 mReceivers.removeActivity(a, "receiver"); 9329 if (DEBUG_REMOVE && chatty) { 9330 if (r == null) { 9331 r = new StringBuilder(256); 9332 } else { 9333 r.append(' '); 9334 } 9335 r.append(a.info.name); 9336 } 9337 } 9338 if (r != null) { 9339 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9340 } 9341 9342 N = pkg.activities.size(); 9343 r = null; 9344 for (i=0; i<N; i++) { 9345 PackageParser.Activity a = pkg.activities.get(i); 9346 mActivities.removeActivity(a, "activity"); 9347 if (DEBUG_REMOVE && chatty) { 9348 if (r == null) { 9349 r = new StringBuilder(256); 9350 } else { 9351 r.append(' '); 9352 } 9353 r.append(a.info.name); 9354 } 9355 } 9356 if (r != null) { 9357 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9358 } 9359 9360 N = pkg.permissions.size(); 9361 r = null; 9362 for (i=0; i<N; i++) { 9363 PackageParser.Permission p = pkg.permissions.get(i); 9364 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9365 if (bp == null) { 9366 bp = mSettings.mPermissionTrees.get(p.info.name); 9367 } 9368 if (bp != null && bp.perm == p) { 9369 bp.perm = null; 9370 if (DEBUG_REMOVE && chatty) { 9371 if (r == null) { 9372 r = new StringBuilder(256); 9373 } else { 9374 r.append(' '); 9375 } 9376 r.append(p.info.name); 9377 } 9378 } 9379 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9380 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9381 if (appOpPkgs != null) { 9382 appOpPkgs.remove(pkg.packageName); 9383 } 9384 } 9385 } 9386 if (r != null) { 9387 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9388 } 9389 9390 N = pkg.requestedPermissions.size(); 9391 r = null; 9392 for (i=0; i<N; i++) { 9393 String perm = pkg.requestedPermissions.get(i); 9394 BasePermission bp = mSettings.mPermissions.get(perm); 9395 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9396 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9397 if (appOpPkgs != null) { 9398 appOpPkgs.remove(pkg.packageName); 9399 if (appOpPkgs.isEmpty()) { 9400 mAppOpPermissionPackages.remove(perm); 9401 } 9402 } 9403 } 9404 } 9405 if (r != null) { 9406 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9407 } 9408 9409 N = pkg.instrumentation.size(); 9410 r = null; 9411 for (i=0; i<N; i++) { 9412 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9413 mInstrumentation.remove(a.getComponentName()); 9414 if (DEBUG_REMOVE && chatty) { 9415 if (r == null) { 9416 r = new StringBuilder(256); 9417 } else { 9418 r.append(' '); 9419 } 9420 r.append(a.info.name); 9421 } 9422 } 9423 if (r != null) { 9424 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9425 } 9426 9427 r = null; 9428 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9429 // Only system apps can hold shared libraries. 9430 if (pkg.libraryNames != null) { 9431 for (i=0; i<pkg.libraryNames.size(); i++) { 9432 String name = pkg.libraryNames.get(i); 9433 SharedLibraryEntry cur = mSharedLibraries.get(name); 9434 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9435 mSharedLibraries.remove(name); 9436 if (DEBUG_REMOVE && chatty) { 9437 if (r == null) { 9438 r = new StringBuilder(256); 9439 } else { 9440 r.append(' '); 9441 } 9442 r.append(name); 9443 } 9444 } 9445 } 9446 } 9447 } 9448 if (r != null) { 9449 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9450 } 9451 } 9452 9453 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9454 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9455 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9456 return true; 9457 } 9458 } 9459 return false; 9460 } 9461 9462 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9463 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9464 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9465 9466 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9467 // Update the parent permissions 9468 updatePermissionsLPw(pkg.packageName, pkg, flags); 9469 // Update the child permissions 9470 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9471 for (int i = 0; i < childCount; i++) { 9472 PackageParser.Package childPkg = pkg.childPackages.get(i); 9473 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9474 } 9475 } 9476 9477 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9478 int flags) { 9479 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9480 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9481 } 9482 9483 private void updatePermissionsLPw(String changingPkg, 9484 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9485 // Make sure there are no dangling permission trees. 9486 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9487 while (it.hasNext()) { 9488 final BasePermission bp = it.next(); 9489 if (bp.packageSetting == null) { 9490 // We may not yet have parsed the package, so just see if 9491 // we still know about its settings. 9492 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9493 } 9494 if (bp.packageSetting == null) { 9495 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9496 + " from package " + bp.sourcePackage); 9497 it.remove(); 9498 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9499 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9500 Slog.i(TAG, "Removing old permission tree: " + bp.name 9501 + " from package " + bp.sourcePackage); 9502 flags |= UPDATE_PERMISSIONS_ALL; 9503 it.remove(); 9504 } 9505 } 9506 } 9507 9508 // Make sure all dynamic permissions have been assigned to a package, 9509 // and make sure there are no dangling permissions. 9510 it = mSettings.mPermissions.values().iterator(); 9511 while (it.hasNext()) { 9512 final BasePermission bp = it.next(); 9513 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9514 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9515 + bp.name + " pkg=" + bp.sourcePackage 9516 + " info=" + bp.pendingInfo); 9517 if (bp.packageSetting == null && bp.pendingInfo != null) { 9518 final BasePermission tree = findPermissionTreeLP(bp.name); 9519 if (tree != null && tree.perm != null) { 9520 bp.packageSetting = tree.packageSetting; 9521 bp.perm = new PackageParser.Permission(tree.perm.owner, 9522 new PermissionInfo(bp.pendingInfo)); 9523 bp.perm.info.packageName = tree.perm.info.packageName; 9524 bp.perm.info.name = bp.name; 9525 bp.uid = tree.uid; 9526 } 9527 } 9528 } 9529 if (bp.packageSetting == null) { 9530 // We may not yet have parsed the package, so just see if 9531 // we still know about its settings. 9532 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9533 } 9534 if (bp.packageSetting == null) { 9535 Slog.w(TAG, "Removing dangling permission: " + bp.name 9536 + " from package " + bp.sourcePackage); 9537 it.remove(); 9538 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9539 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9540 Slog.i(TAG, "Removing old permission: " + bp.name 9541 + " from package " + bp.sourcePackage); 9542 flags |= UPDATE_PERMISSIONS_ALL; 9543 it.remove(); 9544 } 9545 } 9546 } 9547 9548 // Now update the permissions for all packages, in particular 9549 // replace the granted permissions of the system packages. 9550 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9551 for (PackageParser.Package pkg : mPackages.values()) { 9552 if (pkg != pkgInfo) { 9553 // Only replace for packages on requested volume 9554 final String volumeUuid = getVolumeUuidForPackage(pkg); 9555 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9556 && Objects.equals(replaceVolumeUuid, volumeUuid); 9557 grantPermissionsLPw(pkg, replace, changingPkg); 9558 } 9559 } 9560 } 9561 9562 if (pkgInfo != null) { 9563 // Only replace for packages on requested volume 9564 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9565 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9566 && Objects.equals(replaceVolumeUuid, volumeUuid); 9567 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9568 } 9569 } 9570 9571 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9572 String packageOfInterest) { 9573 // IMPORTANT: There are two types of permissions: install and runtime. 9574 // Install time permissions are granted when the app is installed to 9575 // all device users and users added in the future. Runtime permissions 9576 // are granted at runtime explicitly to specific users. Normal and signature 9577 // protected permissions are install time permissions. Dangerous permissions 9578 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9579 // otherwise they are runtime permissions. This function does not manage 9580 // runtime permissions except for the case an app targeting Lollipop MR1 9581 // being upgraded to target a newer SDK, in which case dangerous permissions 9582 // are transformed from install time to runtime ones. 9583 9584 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9585 if (ps == null) { 9586 return; 9587 } 9588 9589 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9590 9591 PermissionsState permissionsState = ps.getPermissionsState(); 9592 PermissionsState origPermissions = permissionsState; 9593 9594 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9595 9596 boolean runtimePermissionsRevoked = false; 9597 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9598 9599 boolean changedInstallPermission = false; 9600 9601 if (replace) { 9602 ps.installPermissionsFixed = false; 9603 if (!ps.isSharedUser()) { 9604 origPermissions = new PermissionsState(permissionsState); 9605 permissionsState.reset(); 9606 } else { 9607 // We need to know only about runtime permission changes since the 9608 // calling code always writes the install permissions state but 9609 // the runtime ones are written only if changed. The only cases of 9610 // changed runtime permissions here are promotion of an install to 9611 // runtime and revocation of a runtime from a shared user. 9612 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9613 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9614 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9615 runtimePermissionsRevoked = true; 9616 } 9617 } 9618 } 9619 9620 permissionsState.setGlobalGids(mGlobalGids); 9621 9622 final int N = pkg.requestedPermissions.size(); 9623 for (int i=0; i<N; i++) { 9624 final String name = pkg.requestedPermissions.get(i); 9625 final BasePermission bp = mSettings.mPermissions.get(name); 9626 9627 if (DEBUG_INSTALL) { 9628 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9629 } 9630 9631 if (bp == null || bp.packageSetting == null) { 9632 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9633 Slog.w(TAG, "Unknown permission " + name 9634 + " in package " + pkg.packageName); 9635 } 9636 continue; 9637 } 9638 9639 final String perm = bp.name; 9640 boolean allowedSig = false; 9641 int grant = GRANT_DENIED; 9642 9643 // Keep track of app op permissions. 9644 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9645 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9646 if (pkgs == null) { 9647 pkgs = new ArraySet<>(); 9648 mAppOpPermissionPackages.put(bp.name, pkgs); 9649 } 9650 pkgs.add(pkg.packageName); 9651 } 9652 9653 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9654 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9655 >= Build.VERSION_CODES.M; 9656 switch (level) { 9657 case PermissionInfo.PROTECTION_NORMAL: { 9658 // For all apps normal permissions are install time ones. 9659 grant = GRANT_INSTALL; 9660 } break; 9661 9662 case PermissionInfo.PROTECTION_DANGEROUS: { 9663 // If a permission review is required for legacy apps we represent 9664 // their permissions as always granted runtime ones since we need 9665 // to keep the review required permission flag per user while an 9666 // install permission's state is shared across all users. 9667 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9668 // For legacy apps dangerous permissions are install time ones. 9669 grant = GRANT_INSTALL; 9670 } else if (origPermissions.hasInstallPermission(bp.name)) { 9671 // For legacy apps that became modern, install becomes runtime. 9672 grant = GRANT_UPGRADE; 9673 } else if (mPromoteSystemApps 9674 && isSystemApp(ps) 9675 && mExistingSystemPackages.contains(ps.name)) { 9676 // For legacy system apps, install becomes runtime. 9677 // We cannot check hasInstallPermission() for system apps since those 9678 // permissions were granted implicitly and not persisted pre-M. 9679 grant = GRANT_UPGRADE; 9680 } else { 9681 // For modern apps keep runtime permissions unchanged. 9682 grant = GRANT_RUNTIME; 9683 } 9684 } break; 9685 9686 case PermissionInfo.PROTECTION_SIGNATURE: { 9687 // For all apps signature permissions are install time ones. 9688 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9689 if (allowedSig) { 9690 grant = GRANT_INSTALL; 9691 } 9692 } break; 9693 } 9694 9695 if (DEBUG_INSTALL) { 9696 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9697 } 9698 9699 if (grant != GRANT_DENIED) { 9700 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9701 // If this is an existing, non-system package, then 9702 // we can't add any new permissions to it. 9703 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9704 // Except... if this is a permission that was added 9705 // to the platform (note: need to only do this when 9706 // updating the platform). 9707 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9708 grant = GRANT_DENIED; 9709 } 9710 } 9711 } 9712 9713 switch (grant) { 9714 case GRANT_INSTALL: { 9715 // Revoke this as runtime permission to handle the case of 9716 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9717 for (int userId : UserManagerService.getInstance().getUserIds()) { 9718 if (origPermissions.getRuntimePermissionState( 9719 bp.name, userId) != null) { 9720 // Revoke the runtime permission and clear the flags. 9721 origPermissions.revokeRuntimePermission(bp, userId); 9722 origPermissions.updatePermissionFlags(bp, userId, 9723 PackageManager.MASK_PERMISSION_FLAGS, 0); 9724 // If we revoked a permission permission, we have to write. 9725 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9726 changedRuntimePermissionUserIds, userId); 9727 } 9728 } 9729 // Grant an install permission. 9730 if (permissionsState.grantInstallPermission(bp) != 9731 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9732 changedInstallPermission = true; 9733 } 9734 } break; 9735 9736 case GRANT_RUNTIME: { 9737 // Grant previously granted runtime permissions. 9738 for (int userId : UserManagerService.getInstance().getUserIds()) { 9739 PermissionState permissionState = origPermissions 9740 .getRuntimePermissionState(bp.name, userId); 9741 int flags = permissionState != null 9742 ? permissionState.getFlags() : 0; 9743 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9744 if (permissionsState.grantRuntimePermission(bp, userId) == 9745 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9746 // If we cannot put the permission as it was, we have to write. 9747 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9748 changedRuntimePermissionUserIds, userId); 9749 } 9750 // If the app supports runtime permissions no need for a review. 9751 if (Build.PERMISSIONS_REVIEW_REQUIRED 9752 && appSupportsRuntimePermissions 9753 && (flags & PackageManager 9754 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9755 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9756 // Since we changed the flags, we have to write. 9757 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9758 changedRuntimePermissionUserIds, userId); 9759 } 9760 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9761 && !appSupportsRuntimePermissions) { 9762 // For legacy apps that need a permission review, every new 9763 // runtime permission is granted but it is pending a review. 9764 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9765 permissionsState.grantRuntimePermission(bp, userId); 9766 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9767 // We changed the permission and flags, hence have to write. 9768 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9769 changedRuntimePermissionUserIds, userId); 9770 } 9771 } 9772 // Propagate the permission flags. 9773 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9774 } 9775 } break; 9776 9777 case GRANT_UPGRADE: { 9778 // Grant runtime permissions for a previously held install permission. 9779 PermissionState permissionState = origPermissions 9780 .getInstallPermissionState(bp.name); 9781 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9782 9783 if (origPermissions.revokeInstallPermission(bp) 9784 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9785 // We will be transferring the permission flags, so clear them. 9786 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9787 PackageManager.MASK_PERMISSION_FLAGS, 0); 9788 changedInstallPermission = true; 9789 } 9790 9791 // If the permission is not to be promoted to runtime we ignore it and 9792 // also its other flags as they are not applicable to install permissions. 9793 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9794 for (int userId : currentUserIds) { 9795 if (permissionsState.grantRuntimePermission(bp, userId) != 9796 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9797 // Transfer the permission flags. 9798 permissionsState.updatePermissionFlags(bp, userId, 9799 flags, flags); 9800 // If we granted the permission, we have to write. 9801 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9802 changedRuntimePermissionUserIds, userId); 9803 } 9804 } 9805 } 9806 } break; 9807 9808 default: { 9809 if (packageOfInterest == null 9810 || packageOfInterest.equals(pkg.packageName)) { 9811 Slog.w(TAG, "Not granting permission " + perm 9812 + " to package " + pkg.packageName 9813 + " because it was previously installed without"); 9814 } 9815 } break; 9816 } 9817 } else { 9818 if (permissionsState.revokeInstallPermission(bp) != 9819 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9820 // Also drop the permission flags. 9821 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9822 PackageManager.MASK_PERMISSION_FLAGS, 0); 9823 changedInstallPermission = true; 9824 Slog.i(TAG, "Un-granting permission " + perm 9825 + " from package " + pkg.packageName 9826 + " (protectionLevel=" + bp.protectionLevel 9827 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9828 + ")"); 9829 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9830 // Don't print warning for app op permissions, since it is fine for them 9831 // not to be granted, there is a UI for the user to decide. 9832 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9833 Slog.w(TAG, "Not granting permission " + perm 9834 + " to package " + pkg.packageName 9835 + " (protectionLevel=" + bp.protectionLevel 9836 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9837 + ")"); 9838 } 9839 } 9840 } 9841 } 9842 9843 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9844 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9845 // This is the first that we have heard about this package, so the 9846 // permissions we have now selected are fixed until explicitly 9847 // changed. 9848 ps.installPermissionsFixed = true; 9849 } 9850 9851 // Persist the runtime permissions state for users with changes. If permissions 9852 // were revoked because no app in the shared user declares them we have to 9853 // write synchronously to avoid losing runtime permissions state. 9854 for (int userId : changedRuntimePermissionUserIds) { 9855 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9856 } 9857 9858 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9859 } 9860 9861 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9862 boolean allowed = false; 9863 final int NP = PackageParser.NEW_PERMISSIONS.length; 9864 for (int ip=0; ip<NP; ip++) { 9865 final PackageParser.NewPermissionInfo npi 9866 = PackageParser.NEW_PERMISSIONS[ip]; 9867 if (npi.name.equals(perm) 9868 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9869 allowed = true; 9870 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9871 + pkg.packageName); 9872 break; 9873 } 9874 } 9875 return allowed; 9876 } 9877 9878 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9879 BasePermission bp, PermissionsState origPermissions) { 9880 boolean allowed; 9881 allowed = (compareSignatures( 9882 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9883 == PackageManager.SIGNATURE_MATCH) 9884 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9885 == PackageManager.SIGNATURE_MATCH); 9886 if (!allowed && (bp.protectionLevel 9887 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9888 if (isSystemApp(pkg)) { 9889 // For updated system applications, a system permission 9890 // is granted only if it had been defined by the original application. 9891 if (pkg.isUpdatedSystemApp()) { 9892 final PackageSetting sysPs = mSettings 9893 .getDisabledSystemPkgLPr(pkg.packageName); 9894 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9895 // If the original was granted this permission, we take 9896 // that grant decision as read and propagate it to the 9897 // update. 9898 if (sysPs.isPrivileged()) { 9899 allowed = true; 9900 } 9901 } else { 9902 // The system apk may have been updated with an older 9903 // version of the one on the data partition, but which 9904 // granted a new system permission that it didn't have 9905 // before. In this case we do want to allow the app to 9906 // now get the new permission if the ancestral apk is 9907 // privileged to get it. 9908 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9909 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9910 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9911 allowed = true; 9912 break; 9913 } 9914 } 9915 } 9916 // Also if a privileged parent package on the system image or any of 9917 // its children requested a privileged permission, the updated child 9918 // packages can also get the permission. 9919 if (pkg.parentPackage != null) { 9920 final PackageSetting disabledSysParentPs = mSettings 9921 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9922 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9923 && disabledSysParentPs.isPrivileged()) { 9924 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9925 allowed = true; 9926 } else if (disabledSysParentPs.pkg.childPackages != null) { 9927 final int count = disabledSysParentPs.pkg.childPackages.size(); 9928 for (int i = 0; i < count; i++) { 9929 PackageParser.Package disabledSysChildPkg = 9930 disabledSysParentPs.pkg.childPackages.get(i); 9931 if (isPackageRequestingPermission(disabledSysChildPkg, 9932 perm)) { 9933 allowed = true; 9934 break; 9935 } 9936 } 9937 } 9938 } 9939 } 9940 } 9941 } else { 9942 allowed = isPrivilegedApp(pkg); 9943 } 9944 } 9945 } 9946 if (!allowed) { 9947 if (!allowed && (bp.protectionLevel 9948 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9949 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9950 // If this was a previously normal/dangerous permission that got moved 9951 // to a system permission as part of the runtime permission redesign, then 9952 // we still want to blindly grant it to old apps. 9953 allowed = true; 9954 } 9955 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9956 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9957 // If this permission is to be granted to the system installer and 9958 // this app is an installer, then it gets the permission. 9959 allowed = true; 9960 } 9961 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9962 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9963 // If this permission is to be granted to the system verifier and 9964 // this app is a verifier, then it gets the permission. 9965 allowed = true; 9966 } 9967 if (!allowed && (bp.protectionLevel 9968 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9969 && isSystemApp(pkg)) { 9970 // Any pre-installed system app is allowed to get this permission. 9971 allowed = true; 9972 } 9973 if (!allowed && (bp.protectionLevel 9974 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9975 // For development permissions, a development permission 9976 // is granted only if it was already granted. 9977 allowed = origPermissions.hasInstallPermission(perm); 9978 } 9979 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 9980 && pkg.packageName.equals(mSetupWizardPackage)) { 9981 // If this permission is to be granted to the system setup wizard and 9982 // this app is a setup wizard, then it gets the permission. 9983 allowed = true; 9984 } 9985 } 9986 return allowed; 9987 } 9988 9989 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9990 final int permCount = pkg.requestedPermissions.size(); 9991 for (int j = 0; j < permCount; j++) { 9992 String requestedPermission = pkg.requestedPermissions.get(j); 9993 if (permission.equals(requestedPermission)) { 9994 return true; 9995 } 9996 } 9997 return false; 9998 } 9999 10000 final class ActivityIntentResolver 10001 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10002 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10003 boolean defaultOnly, int userId) { 10004 if (!sUserManager.exists(userId)) return null; 10005 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10006 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10007 } 10008 10009 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10010 int userId) { 10011 if (!sUserManager.exists(userId)) return null; 10012 mFlags = flags; 10013 return super.queryIntent(intent, resolvedType, 10014 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10015 } 10016 10017 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10018 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10019 if (!sUserManager.exists(userId)) return null; 10020 if (packageActivities == null) { 10021 return null; 10022 } 10023 mFlags = flags; 10024 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10025 final int N = packageActivities.size(); 10026 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10027 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10028 10029 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10030 for (int i = 0; i < N; ++i) { 10031 intentFilters = packageActivities.get(i).intents; 10032 if (intentFilters != null && intentFilters.size() > 0) { 10033 PackageParser.ActivityIntentInfo[] array = 10034 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10035 intentFilters.toArray(array); 10036 listCut.add(array); 10037 } 10038 } 10039 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10040 } 10041 10042 /** 10043 * Finds a privileged activity that matches the specified activity names. 10044 */ 10045 private PackageParser.Activity findMatchingActivity( 10046 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10047 for (PackageParser.Activity sysActivity : activityList) { 10048 if (sysActivity.info.name.equals(activityInfo.name)) { 10049 return sysActivity; 10050 } 10051 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10052 return sysActivity; 10053 } 10054 if (sysActivity.info.targetActivity != null) { 10055 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10056 return sysActivity; 10057 } 10058 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10059 return sysActivity; 10060 } 10061 } 10062 } 10063 return null; 10064 } 10065 10066 public class IterGenerator<E> { 10067 public Iterator<E> generate(ActivityIntentInfo info) { 10068 return null; 10069 } 10070 } 10071 10072 public class ActionIterGenerator extends IterGenerator<String> { 10073 @Override 10074 public Iterator<String> generate(ActivityIntentInfo info) { 10075 return info.actionsIterator(); 10076 } 10077 } 10078 10079 public class CategoriesIterGenerator extends IterGenerator<String> { 10080 @Override 10081 public Iterator<String> generate(ActivityIntentInfo info) { 10082 return info.categoriesIterator(); 10083 } 10084 } 10085 10086 public class SchemesIterGenerator extends IterGenerator<String> { 10087 @Override 10088 public Iterator<String> generate(ActivityIntentInfo info) { 10089 return info.schemesIterator(); 10090 } 10091 } 10092 10093 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10094 @Override 10095 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10096 return info.authoritiesIterator(); 10097 } 10098 } 10099 10100 /** 10101 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10102 * MODIFIED. Do not pass in a list that should not be changed. 10103 */ 10104 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10105 IterGenerator<T> generator, Iterator<T> searchIterator) { 10106 // loop through the set of actions; every one must be found in the intent filter 10107 while (searchIterator.hasNext()) { 10108 // we must have at least one filter in the list to consider a match 10109 if (intentList.size() == 0) { 10110 break; 10111 } 10112 10113 final T searchAction = searchIterator.next(); 10114 10115 // loop through the set of intent filters 10116 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10117 while (intentIter.hasNext()) { 10118 final ActivityIntentInfo intentInfo = intentIter.next(); 10119 boolean selectionFound = false; 10120 10121 // loop through the intent filter's selection criteria; at least one 10122 // of them must match the searched criteria 10123 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10124 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10125 final T intentSelection = intentSelectionIter.next(); 10126 if (intentSelection != null && intentSelection.equals(searchAction)) { 10127 selectionFound = true; 10128 break; 10129 } 10130 } 10131 10132 // the selection criteria wasn't found in this filter's set; this filter 10133 // is not a potential match 10134 if (!selectionFound) { 10135 intentIter.remove(); 10136 } 10137 } 10138 } 10139 } 10140 10141 private boolean isProtectedAction(ActivityIntentInfo filter) { 10142 final Iterator<String> actionsIter = filter.actionsIterator(); 10143 while (actionsIter != null && actionsIter.hasNext()) { 10144 final String filterAction = actionsIter.next(); 10145 if (PROTECTED_ACTIONS.contains(filterAction)) { 10146 return true; 10147 } 10148 } 10149 return false; 10150 } 10151 10152 /** 10153 * Adjusts the priority of the given intent filter according to policy. 10154 * <p> 10155 * <ul> 10156 * <li>The priority for non privileged applications is capped to '0'</li> 10157 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10158 * <li>The priority for unbundled updates to privileged applications is capped to the 10159 * priority defined on the system partition</li> 10160 * </ul> 10161 * <p> 10162 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10163 * allowed to obtain any priority on any action. 10164 */ 10165 private void adjustPriority( 10166 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10167 // nothing to do; priority is fine as-is 10168 if (intent.getPriority() <= 0) { 10169 return; 10170 } 10171 10172 final ActivityInfo activityInfo = intent.activity.info; 10173 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10174 10175 final boolean privilegedApp = 10176 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10177 if (!privilegedApp) { 10178 // non-privileged applications can never define a priority >0 10179 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10180 + " package: " + applicationInfo.packageName 10181 + " activity: " + intent.activity.className 10182 + " origPrio: " + intent.getPriority()); 10183 intent.setPriority(0); 10184 return; 10185 } 10186 10187 if (systemActivities == null) { 10188 // the system package is not disabled; we're parsing the system partition 10189 if (isProtectedAction(intent)) { 10190 if (mDeferProtectedFilters) { 10191 // We can't deal with these just yet. No component should ever obtain a 10192 // >0 priority for a protected actions, with ONE exception -- the setup 10193 // wizard. The setup wizard, however, cannot be known until we're able to 10194 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10195 // until all intent filters have been processed. Chicken, meet egg. 10196 // Let the filter temporarily have a high priority and rectify the 10197 // priorities after all system packages have been scanned. 10198 mProtectedFilters.add(intent); 10199 if (DEBUG_FILTERS) { 10200 Slog.i(TAG, "Protected action; save for later;" 10201 + " package: " + applicationInfo.packageName 10202 + " activity: " + intent.activity.className 10203 + " origPrio: " + intent.getPriority()); 10204 } 10205 return; 10206 } else { 10207 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10208 Slog.i(TAG, "No setup wizard;" 10209 + " All protected intents capped to priority 0"); 10210 } 10211 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10212 if (DEBUG_FILTERS) { 10213 Slog.i(TAG, "Found setup wizard;" 10214 + " allow priority " + intent.getPriority() + ";" 10215 + " package: " + intent.activity.info.packageName 10216 + " activity: " + intent.activity.className 10217 + " priority: " + intent.getPriority()); 10218 } 10219 // setup wizard gets whatever it wants 10220 return; 10221 } 10222 Slog.w(TAG, "Protected action; cap priority to 0;" 10223 + " package: " + intent.activity.info.packageName 10224 + " activity: " + intent.activity.className 10225 + " origPrio: " + intent.getPriority()); 10226 intent.setPriority(0); 10227 return; 10228 } 10229 } 10230 // privileged apps on the system image get whatever priority they request 10231 return; 10232 } 10233 10234 // privileged app unbundled update ... try to find the same activity 10235 final PackageParser.Activity foundActivity = 10236 findMatchingActivity(systemActivities, activityInfo); 10237 if (foundActivity == null) { 10238 // this is a new activity; it cannot obtain >0 priority 10239 if (DEBUG_FILTERS) { 10240 Slog.i(TAG, "New activity; cap priority to 0;" 10241 + " package: " + applicationInfo.packageName 10242 + " activity: " + intent.activity.className 10243 + " origPrio: " + intent.getPriority()); 10244 } 10245 intent.setPriority(0); 10246 return; 10247 } 10248 10249 // found activity, now check for filter equivalence 10250 10251 // a shallow copy is enough; we modify the list, not its contents 10252 final List<ActivityIntentInfo> intentListCopy = 10253 new ArrayList<>(foundActivity.intents); 10254 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10255 10256 // find matching action subsets 10257 final Iterator<String> actionsIterator = intent.actionsIterator(); 10258 if (actionsIterator != null) { 10259 getIntentListSubset( 10260 intentListCopy, new ActionIterGenerator(), actionsIterator); 10261 if (intentListCopy.size() == 0) { 10262 // no more intents to match; we're not equivalent 10263 if (DEBUG_FILTERS) { 10264 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10265 + " package: " + applicationInfo.packageName 10266 + " activity: " + intent.activity.className 10267 + " origPrio: " + intent.getPriority()); 10268 } 10269 intent.setPriority(0); 10270 return; 10271 } 10272 } 10273 10274 // find matching category subsets 10275 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10276 if (categoriesIterator != null) { 10277 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10278 categoriesIterator); 10279 if (intentListCopy.size() == 0) { 10280 // no more intents to match; we're not equivalent 10281 if (DEBUG_FILTERS) { 10282 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10283 + " package: " + applicationInfo.packageName 10284 + " activity: " + intent.activity.className 10285 + " origPrio: " + intent.getPriority()); 10286 } 10287 intent.setPriority(0); 10288 return; 10289 } 10290 } 10291 10292 // find matching schemes subsets 10293 final Iterator<String> schemesIterator = intent.schemesIterator(); 10294 if (schemesIterator != null) { 10295 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10296 schemesIterator); 10297 if (intentListCopy.size() == 0) { 10298 // no more intents to match; we're not equivalent 10299 if (DEBUG_FILTERS) { 10300 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10301 + " package: " + applicationInfo.packageName 10302 + " activity: " + intent.activity.className 10303 + " origPrio: " + intent.getPriority()); 10304 } 10305 intent.setPriority(0); 10306 return; 10307 } 10308 } 10309 10310 // find matching authorities subsets 10311 final Iterator<IntentFilter.AuthorityEntry> 10312 authoritiesIterator = intent.authoritiesIterator(); 10313 if (authoritiesIterator != null) { 10314 getIntentListSubset(intentListCopy, 10315 new AuthoritiesIterGenerator(), 10316 authoritiesIterator); 10317 if (intentListCopy.size() == 0) { 10318 // no more intents to match; we're not equivalent 10319 if (DEBUG_FILTERS) { 10320 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10321 + " package: " + applicationInfo.packageName 10322 + " activity: " + intent.activity.className 10323 + " origPrio: " + intent.getPriority()); 10324 } 10325 intent.setPriority(0); 10326 return; 10327 } 10328 } 10329 10330 // we found matching filter(s); app gets the max priority of all intents 10331 int cappedPriority = 0; 10332 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10333 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10334 } 10335 if (intent.getPriority() > cappedPriority) { 10336 if (DEBUG_FILTERS) { 10337 Slog.i(TAG, "Found matching filter(s);" 10338 + " cap priority to " + cappedPriority + ";" 10339 + " package: " + applicationInfo.packageName 10340 + " activity: " + intent.activity.className 10341 + " origPrio: " + intent.getPriority()); 10342 } 10343 intent.setPriority(cappedPriority); 10344 return; 10345 } 10346 // all this for nothing; the requested priority was <= what was on the system 10347 } 10348 10349 public final void addActivity(PackageParser.Activity a, String type) { 10350 mActivities.put(a.getComponentName(), a); 10351 if (DEBUG_SHOW_INFO) 10352 Log.v( 10353 TAG, " " + type + " " + 10354 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10355 if (DEBUG_SHOW_INFO) 10356 Log.v(TAG, " Class=" + a.info.name); 10357 final int NI = a.intents.size(); 10358 for (int j=0; j<NI; j++) { 10359 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10360 if ("activity".equals(type)) { 10361 final PackageSetting ps = 10362 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10363 final List<PackageParser.Activity> systemActivities = 10364 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10365 adjustPriority(systemActivities, intent); 10366 } 10367 if (DEBUG_SHOW_INFO) { 10368 Log.v(TAG, " IntentFilter:"); 10369 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10370 } 10371 if (!intent.debugCheck()) { 10372 Log.w(TAG, "==> For Activity " + a.info.name); 10373 } 10374 addFilter(intent); 10375 } 10376 } 10377 10378 public final void removeActivity(PackageParser.Activity a, String type) { 10379 mActivities.remove(a.getComponentName()); 10380 if (DEBUG_SHOW_INFO) { 10381 Log.v(TAG, " " + type + " " 10382 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10383 : a.info.name) + ":"); 10384 Log.v(TAG, " Class=" + a.info.name); 10385 } 10386 final int NI = a.intents.size(); 10387 for (int j=0; j<NI; j++) { 10388 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10389 if (DEBUG_SHOW_INFO) { 10390 Log.v(TAG, " IntentFilter:"); 10391 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10392 } 10393 removeFilter(intent); 10394 } 10395 } 10396 10397 @Override 10398 protected boolean allowFilterResult( 10399 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10400 ActivityInfo filterAi = filter.activity.info; 10401 for (int i=dest.size()-1; i>=0; i--) { 10402 ActivityInfo destAi = dest.get(i).activityInfo; 10403 if (destAi.name == filterAi.name 10404 && destAi.packageName == filterAi.packageName) { 10405 return false; 10406 } 10407 } 10408 return true; 10409 } 10410 10411 @Override 10412 protected ActivityIntentInfo[] newArray(int size) { 10413 return new ActivityIntentInfo[size]; 10414 } 10415 10416 @Override 10417 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10418 if (!sUserManager.exists(userId)) return true; 10419 PackageParser.Package p = filter.activity.owner; 10420 if (p != null) { 10421 PackageSetting ps = (PackageSetting)p.mExtras; 10422 if (ps != null) { 10423 // System apps are never considered stopped for purposes of 10424 // filtering, because there may be no way for the user to 10425 // actually re-launch them. 10426 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10427 && ps.getStopped(userId); 10428 } 10429 } 10430 return false; 10431 } 10432 10433 @Override 10434 protected boolean isPackageForFilter(String packageName, 10435 PackageParser.ActivityIntentInfo info) { 10436 return packageName.equals(info.activity.owner.packageName); 10437 } 10438 10439 @Override 10440 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10441 int match, int userId) { 10442 if (!sUserManager.exists(userId)) return null; 10443 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10444 return null; 10445 } 10446 final PackageParser.Activity activity = info.activity; 10447 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10448 if (ps == null) { 10449 return null; 10450 } 10451 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10452 ps.readUserState(userId), userId); 10453 if (ai == null) { 10454 return null; 10455 } 10456 final ResolveInfo res = new ResolveInfo(); 10457 res.activityInfo = ai; 10458 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10459 res.filter = info; 10460 } 10461 if (info != null) { 10462 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10463 } 10464 res.priority = info.getPriority(); 10465 res.preferredOrder = activity.owner.mPreferredOrder; 10466 //System.out.println("Result: " + res.activityInfo.className + 10467 // " = " + res.priority); 10468 res.match = match; 10469 res.isDefault = info.hasDefault; 10470 res.labelRes = info.labelRes; 10471 res.nonLocalizedLabel = info.nonLocalizedLabel; 10472 if (userNeedsBadging(userId)) { 10473 res.noResourceId = true; 10474 } else { 10475 res.icon = info.icon; 10476 } 10477 res.iconResourceId = info.icon; 10478 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10479 return res; 10480 } 10481 10482 @Override 10483 protected void sortResults(List<ResolveInfo> results) { 10484 Collections.sort(results, mResolvePrioritySorter); 10485 } 10486 10487 @Override 10488 protected void dumpFilter(PrintWriter out, String prefix, 10489 PackageParser.ActivityIntentInfo filter) { 10490 out.print(prefix); out.print( 10491 Integer.toHexString(System.identityHashCode(filter.activity))); 10492 out.print(' '); 10493 filter.activity.printComponentShortName(out); 10494 out.print(" filter "); 10495 out.println(Integer.toHexString(System.identityHashCode(filter))); 10496 } 10497 10498 @Override 10499 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10500 return filter.activity; 10501 } 10502 10503 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10504 PackageParser.Activity activity = (PackageParser.Activity)label; 10505 out.print(prefix); out.print( 10506 Integer.toHexString(System.identityHashCode(activity))); 10507 out.print(' '); 10508 activity.printComponentShortName(out); 10509 if (count > 1) { 10510 out.print(" ("); out.print(count); out.print(" filters)"); 10511 } 10512 out.println(); 10513 } 10514 10515 // Keys are String (activity class name), values are Activity. 10516 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10517 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10518 private int mFlags; 10519 } 10520 10521 private final class ServiceIntentResolver 10522 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10523 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10524 boolean defaultOnly, int userId) { 10525 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10526 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10527 } 10528 10529 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10530 int userId) { 10531 if (!sUserManager.exists(userId)) return null; 10532 mFlags = flags; 10533 return super.queryIntent(intent, resolvedType, 10534 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10535 } 10536 10537 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10538 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10539 if (!sUserManager.exists(userId)) return null; 10540 if (packageServices == null) { 10541 return null; 10542 } 10543 mFlags = flags; 10544 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10545 final int N = packageServices.size(); 10546 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10547 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10548 10549 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10550 for (int i = 0; i < N; ++i) { 10551 intentFilters = packageServices.get(i).intents; 10552 if (intentFilters != null && intentFilters.size() > 0) { 10553 PackageParser.ServiceIntentInfo[] array = 10554 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10555 intentFilters.toArray(array); 10556 listCut.add(array); 10557 } 10558 } 10559 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10560 } 10561 10562 public final void addService(PackageParser.Service s) { 10563 mServices.put(s.getComponentName(), s); 10564 if (DEBUG_SHOW_INFO) { 10565 Log.v(TAG, " " 10566 + (s.info.nonLocalizedLabel != null 10567 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10568 Log.v(TAG, " Class=" + s.info.name); 10569 } 10570 final int NI = s.intents.size(); 10571 int j; 10572 for (j=0; j<NI; j++) { 10573 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10574 if (DEBUG_SHOW_INFO) { 10575 Log.v(TAG, " IntentFilter:"); 10576 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10577 } 10578 if (!intent.debugCheck()) { 10579 Log.w(TAG, "==> For Service " + s.info.name); 10580 } 10581 addFilter(intent); 10582 } 10583 } 10584 10585 public final void removeService(PackageParser.Service s) { 10586 mServices.remove(s.getComponentName()); 10587 if (DEBUG_SHOW_INFO) { 10588 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10589 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10590 Log.v(TAG, " Class=" + s.info.name); 10591 } 10592 final int NI = s.intents.size(); 10593 int j; 10594 for (j=0; j<NI; j++) { 10595 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10596 if (DEBUG_SHOW_INFO) { 10597 Log.v(TAG, " IntentFilter:"); 10598 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10599 } 10600 removeFilter(intent); 10601 } 10602 } 10603 10604 @Override 10605 protected boolean allowFilterResult( 10606 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10607 ServiceInfo filterSi = filter.service.info; 10608 for (int i=dest.size()-1; i>=0; i--) { 10609 ServiceInfo destAi = dest.get(i).serviceInfo; 10610 if (destAi.name == filterSi.name 10611 && destAi.packageName == filterSi.packageName) { 10612 return false; 10613 } 10614 } 10615 return true; 10616 } 10617 10618 @Override 10619 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10620 return new PackageParser.ServiceIntentInfo[size]; 10621 } 10622 10623 @Override 10624 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10625 if (!sUserManager.exists(userId)) return true; 10626 PackageParser.Package p = filter.service.owner; 10627 if (p != null) { 10628 PackageSetting ps = (PackageSetting)p.mExtras; 10629 if (ps != null) { 10630 // System apps are never considered stopped for purposes of 10631 // filtering, because there may be no way for the user to 10632 // actually re-launch them. 10633 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10634 && ps.getStopped(userId); 10635 } 10636 } 10637 return false; 10638 } 10639 10640 @Override 10641 protected boolean isPackageForFilter(String packageName, 10642 PackageParser.ServiceIntentInfo info) { 10643 return packageName.equals(info.service.owner.packageName); 10644 } 10645 10646 @Override 10647 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10648 int match, int userId) { 10649 if (!sUserManager.exists(userId)) return null; 10650 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10651 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10652 return null; 10653 } 10654 final PackageParser.Service service = info.service; 10655 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10656 if (ps == null) { 10657 return null; 10658 } 10659 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10660 ps.readUserState(userId), userId); 10661 if (si == null) { 10662 return null; 10663 } 10664 final ResolveInfo res = new ResolveInfo(); 10665 res.serviceInfo = si; 10666 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10667 res.filter = filter; 10668 } 10669 res.priority = info.getPriority(); 10670 res.preferredOrder = service.owner.mPreferredOrder; 10671 res.match = match; 10672 res.isDefault = info.hasDefault; 10673 res.labelRes = info.labelRes; 10674 res.nonLocalizedLabel = info.nonLocalizedLabel; 10675 res.icon = info.icon; 10676 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10677 return res; 10678 } 10679 10680 @Override 10681 protected void sortResults(List<ResolveInfo> results) { 10682 Collections.sort(results, mResolvePrioritySorter); 10683 } 10684 10685 @Override 10686 protected void dumpFilter(PrintWriter out, String prefix, 10687 PackageParser.ServiceIntentInfo filter) { 10688 out.print(prefix); out.print( 10689 Integer.toHexString(System.identityHashCode(filter.service))); 10690 out.print(' '); 10691 filter.service.printComponentShortName(out); 10692 out.print(" filter "); 10693 out.println(Integer.toHexString(System.identityHashCode(filter))); 10694 } 10695 10696 @Override 10697 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10698 return filter.service; 10699 } 10700 10701 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10702 PackageParser.Service service = (PackageParser.Service)label; 10703 out.print(prefix); out.print( 10704 Integer.toHexString(System.identityHashCode(service))); 10705 out.print(' '); 10706 service.printComponentShortName(out); 10707 if (count > 1) { 10708 out.print(" ("); out.print(count); out.print(" filters)"); 10709 } 10710 out.println(); 10711 } 10712 10713// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10714// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10715// final List<ResolveInfo> retList = Lists.newArrayList(); 10716// while (i.hasNext()) { 10717// final ResolveInfo resolveInfo = (ResolveInfo) i; 10718// if (isEnabledLP(resolveInfo.serviceInfo)) { 10719// retList.add(resolveInfo); 10720// } 10721// } 10722// return retList; 10723// } 10724 10725 // Keys are String (activity class name), values are Activity. 10726 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10727 = new ArrayMap<ComponentName, PackageParser.Service>(); 10728 private int mFlags; 10729 }; 10730 10731 private final class ProviderIntentResolver 10732 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10733 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10734 boolean defaultOnly, int userId) { 10735 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10736 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10737 } 10738 10739 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10740 int userId) { 10741 if (!sUserManager.exists(userId)) 10742 return null; 10743 mFlags = flags; 10744 return super.queryIntent(intent, resolvedType, 10745 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10746 } 10747 10748 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10749 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10750 if (!sUserManager.exists(userId)) 10751 return null; 10752 if (packageProviders == null) { 10753 return null; 10754 } 10755 mFlags = flags; 10756 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10757 final int N = packageProviders.size(); 10758 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10759 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10760 10761 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10762 for (int i = 0; i < N; ++i) { 10763 intentFilters = packageProviders.get(i).intents; 10764 if (intentFilters != null && intentFilters.size() > 0) { 10765 PackageParser.ProviderIntentInfo[] array = 10766 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10767 intentFilters.toArray(array); 10768 listCut.add(array); 10769 } 10770 } 10771 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10772 } 10773 10774 public final void addProvider(PackageParser.Provider p) { 10775 if (mProviders.containsKey(p.getComponentName())) { 10776 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10777 return; 10778 } 10779 10780 mProviders.put(p.getComponentName(), p); 10781 if (DEBUG_SHOW_INFO) { 10782 Log.v(TAG, " " 10783 + (p.info.nonLocalizedLabel != null 10784 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10785 Log.v(TAG, " Class=" + p.info.name); 10786 } 10787 final int NI = p.intents.size(); 10788 int j; 10789 for (j = 0; j < NI; j++) { 10790 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10791 if (DEBUG_SHOW_INFO) { 10792 Log.v(TAG, " IntentFilter:"); 10793 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10794 } 10795 if (!intent.debugCheck()) { 10796 Log.w(TAG, "==> For Provider " + p.info.name); 10797 } 10798 addFilter(intent); 10799 } 10800 } 10801 10802 public final void removeProvider(PackageParser.Provider p) { 10803 mProviders.remove(p.getComponentName()); 10804 if (DEBUG_SHOW_INFO) { 10805 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10806 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10807 Log.v(TAG, " Class=" + p.info.name); 10808 } 10809 final int NI = p.intents.size(); 10810 int j; 10811 for (j = 0; j < NI; j++) { 10812 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10813 if (DEBUG_SHOW_INFO) { 10814 Log.v(TAG, " IntentFilter:"); 10815 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10816 } 10817 removeFilter(intent); 10818 } 10819 } 10820 10821 @Override 10822 protected boolean allowFilterResult( 10823 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10824 ProviderInfo filterPi = filter.provider.info; 10825 for (int i = dest.size() - 1; i >= 0; i--) { 10826 ProviderInfo destPi = dest.get(i).providerInfo; 10827 if (destPi.name == filterPi.name 10828 && destPi.packageName == filterPi.packageName) { 10829 return false; 10830 } 10831 } 10832 return true; 10833 } 10834 10835 @Override 10836 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10837 return new PackageParser.ProviderIntentInfo[size]; 10838 } 10839 10840 @Override 10841 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10842 if (!sUserManager.exists(userId)) 10843 return true; 10844 PackageParser.Package p = filter.provider.owner; 10845 if (p != null) { 10846 PackageSetting ps = (PackageSetting) p.mExtras; 10847 if (ps != null) { 10848 // System apps are never considered stopped for purposes of 10849 // filtering, because there may be no way for the user to 10850 // actually re-launch them. 10851 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10852 && ps.getStopped(userId); 10853 } 10854 } 10855 return false; 10856 } 10857 10858 @Override 10859 protected boolean isPackageForFilter(String packageName, 10860 PackageParser.ProviderIntentInfo info) { 10861 return packageName.equals(info.provider.owner.packageName); 10862 } 10863 10864 @Override 10865 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10866 int match, int userId) { 10867 if (!sUserManager.exists(userId)) 10868 return null; 10869 final PackageParser.ProviderIntentInfo info = filter; 10870 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10871 return null; 10872 } 10873 final PackageParser.Provider provider = info.provider; 10874 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10875 if (ps == null) { 10876 return null; 10877 } 10878 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10879 ps.readUserState(userId), userId); 10880 if (pi == null) { 10881 return null; 10882 } 10883 final ResolveInfo res = new ResolveInfo(); 10884 res.providerInfo = pi; 10885 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10886 res.filter = filter; 10887 } 10888 res.priority = info.getPriority(); 10889 res.preferredOrder = provider.owner.mPreferredOrder; 10890 res.match = match; 10891 res.isDefault = info.hasDefault; 10892 res.labelRes = info.labelRes; 10893 res.nonLocalizedLabel = info.nonLocalizedLabel; 10894 res.icon = info.icon; 10895 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10896 return res; 10897 } 10898 10899 @Override 10900 protected void sortResults(List<ResolveInfo> results) { 10901 Collections.sort(results, mResolvePrioritySorter); 10902 } 10903 10904 @Override 10905 protected void dumpFilter(PrintWriter out, String prefix, 10906 PackageParser.ProviderIntentInfo filter) { 10907 out.print(prefix); 10908 out.print( 10909 Integer.toHexString(System.identityHashCode(filter.provider))); 10910 out.print(' '); 10911 filter.provider.printComponentShortName(out); 10912 out.print(" filter "); 10913 out.println(Integer.toHexString(System.identityHashCode(filter))); 10914 } 10915 10916 @Override 10917 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10918 return filter.provider; 10919 } 10920 10921 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10922 PackageParser.Provider provider = (PackageParser.Provider)label; 10923 out.print(prefix); out.print( 10924 Integer.toHexString(System.identityHashCode(provider))); 10925 out.print(' '); 10926 provider.printComponentShortName(out); 10927 if (count > 1) { 10928 out.print(" ("); out.print(count); out.print(" filters)"); 10929 } 10930 out.println(); 10931 } 10932 10933 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10934 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10935 private int mFlags; 10936 } 10937 10938 private static final class EphemeralIntentResolver 10939 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10940 @Override 10941 protected EphemeralResolveIntentInfo[] newArray(int size) { 10942 return new EphemeralResolveIntentInfo[size]; 10943 } 10944 10945 @Override 10946 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10947 return true; 10948 } 10949 10950 @Override 10951 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10952 int userId) { 10953 if (!sUserManager.exists(userId)) { 10954 return null; 10955 } 10956 return info.getEphemeralResolveInfo(); 10957 } 10958 } 10959 10960 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10961 new Comparator<ResolveInfo>() { 10962 public int compare(ResolveInfo r1, ResolveInfo r2) { 10963 int v1 = r1.priority; 10964 int v2 = r2.priority; 10965 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10966 if (v1 != v2) { 10967 return (v1 > v2) ? -1 : 1; 10968 } 10969 v1 = r1.preferredOrder; 10970 v2 = r2.preferredOrder; 10971 if (v1 != v2) { 10972 return (v1 > v2) ? -1 : 1; 10973 } 10974 if (r1.isDefault != r2.isDefault) { 10975 return r1.isDefault ? -1 : 1; 10976 } 10977 v1 = r1.match; 10978 v2 = r2.match; 10979 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10980 if (v1 != v2) { 10981 return (v1 > v2) ? -1 : 1; 10982 } 10983 if (r1.system != r2.system) { 10984 return r1.system ? -1 : 1; 10985 } 10986 if (r1.activityInfo != null) { 10987 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10988 } 10989 if (r1.serviceInfo != null) { 10990 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10991 } 10992 if (r1.providerInfo != null) { 10993 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10994 } 10995 return 0; 10996 } 10997 }; 10998 10999 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11000 new Comparator<ProviderInfo>() { 11001 public int compare(ProviderInfo p1, ProviderInfo p2) { 11002 final int v1 = p1.initOrder; 11003 final int v2 = p2.initOrder; 11004 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11005 } 11006 }; 11007 11008 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11009 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11010 final int[] userIds) { 11011 mHandler.post(new Runnable() { 11012 @Override 11013 public void run() { 11014 try { 11015 final IActivityManager am = ActivityManagerNative.getDefault(); 11016 if (am == null) return; 11017 final int[] resolvedUserIds; 11018 if (userIds == null) { 11019 resolvedUserIds = am.getRunningUserIds(); 11020 } else { 11021 resolvedUserIds = userIds; 11022 } 11023 for (int id : resolvedUserIds) { 11024 final Intent intent = new Intent(action, 11025 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11026 if (extras != null) { 11027 intent.putExtras(extras); 11028 } 11029 if (targetPkg != null) { 11030 intent.setPackage(targetPkg); 11031 } 11032 // Modify the UID when posting to other users 11033 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11034 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11035 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11036 intent.putExtra(Intent.EXTRA_UID, uid); 11037 } 11038 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11039 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11040 if (DEBUG_BROADCASTS) { 11041 RuntimeException here = new RuntimeException("here"); 11042 here.fillInStackTrace(); 11043 Slog.d(TAG, "Sending to user " + id + ": " 11044 + intent.toShortString(false, true, false, false) 11045 + " " + intent.getExtras(), here); 11046 } 11047 am.broadcastIntent(null, intent, null, finishedReceiver, 11048 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11049 null, finishedReceiver != null, false, id); 11050 } 11051 } catch (RemoteException ex) { 11052 } 11053 } 11054 }); 11055 } 11056 11057 /** 11058 * Check if the external storage media is available. This is true if there 11059 * is a mounted external storage medium or if the external storage is 11060 * emulated. 11061 */ 11062 private boolean isExternalMediaAvailable() { 11063 return mMediaMounted || Environment.isExternalStorageEmulated(); 11064 } 11065 11066 @Override 11067 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11068 // writer 11069 synchronized (mPackages) { 11070 if (!isExternalMediaAvailable()) { 11071 // If the external storage is no longer mounted at this point, 11072 // the caller may not have been able to delete all of this 11073 // packages files and can not delete any more. Bail. 11074 return null; 11075 } 11076 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11077 if (lastPackage != null) { 11078 pkgs.remove(lastPackage); 11079 } 11080 if (pkgs.size() > 0) { 11081 return pkgs.get(0); 11082 } 11083 } 11084 return null; 11085 } 11086 11087 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11088 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11089 userId, andCode ? 1 : 0, packageName); 11090 if (mSystemReady) { 11091 msg.sendToTarget(); 11092 } else { 11093 if (mPostSystemReadyMessages == null) { 11094 mPostSystemReadyMessages = new ArrayList<>(); 11095 } 11096 mPostSystemReadyMessages.add(msg); 11097 } 11098 } 11099 11100 void startCleaningPackages() { 11101 // reader 11102 if (!isExternalMediaAvailable()) { 11103 return; 11104 } 11105 synchronized (mPackages) { 11106 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11107 return; 11108 } 11109 } 11110 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11111 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11112 IActivityManager am = ActivityManagerNative.getDefault(); 11113 if (am != null) { 11114 try { 11115 am.startService(null, intent, null, mContext.getOpPackageName(), 11116 UserHandle.USER_SYSTEM); 11117 } catch (RemoteException e) { 11118 } 11119 } 11120 } 11121 11122 @Override 11123 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11124 int installFlags, String installerPackageName, int userId) { 11125 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11126 11127 final int callingUid = Binder.getCallingUid(); 11128 enforceCrossUserPermission(callingUid, userId, 11129 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11130 11131 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11132 try { 11133 if (observer != null) { 11134 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11135 } 11136 } catch (RemoteException re) { 11137 } 11138 return; 11139 } 11140 11141 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11142 installFlags |= PackageManager.INSTALL_FROM_ADB; 11143 11144 } else { 11145 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11146 // about installerPackageName. 11147 11148 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11149 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11150 } 11151 11152 UserHandle user; 11153 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11154 user = UserHandle.ALL; 11155 } else { 11156 user = new UserHandle(userId); 11157 } 11158 11159 // Only system components can circumvent runtime permissions when installing. 11160 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11161 && mContext.checkCallingOrSelfPermission(Manifest.permission 11162 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11163 throw new SecurityException("You need the " 11164 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11165 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11166 } 11167 11168 final File originFile = new File(originPath); 11169 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11170 11171 final Message msg = mHandler.obtainMessage(INIT_COPY); 11172 final VerificationInfo verificationInfo = new VerificationInfo( 11173 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11174 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11175 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11176 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11177 null /*certificates*/); 11178 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11179 msg.obj = params; 11180 11181 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11182 System.identityHashCode(msg.obj)); 11183 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11184 System.identityHashCode(msg.obj)); 11185 11186 mHandler.sendMessage(msg); 11187 } 11188 11189 void installStage(String packageName, File stagedDir, String stagedCid, 11190 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11191 String installerPackageName, int installerUid, UserHandle user, 11192 Certificate[][] certificates) { 11193 if (DEBUG_EPHEMERAL) { 11194 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11195 Slog.d(TAG, "Ephemeral install of " + packageName); 11196 } 11197 } 11198 final VerificationInfo verificationInfo = new VerificationInfo( 11199 sessionParams.originatingUri, sessionParams.referrerUri, 11200 sessionParams.originatingUid, installerUid); 11201 11202 final OriginInfo origin; 11203 if (stagedDir != null) { 11204 origin = OriginInfo.fromStagedFile(stagedDir); 11205 } else { 11206 origin = OriginInfo.fromStagedContainer(stagedCid); 11207 } 11208 11209 final Message msg = mHandler.obtainMessage(INIT_COPY); 11210 final InstallParams params = new InstallParams(origin, null, observer, 11211 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11212 verificationInfo, user, sessionParams.abiOverride, 11213 sessionParams.grantedRuntimePermissions, certificates); 11214 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11215 msg.obj = params; 11216 11217 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11218 System.identityHashCode(msg.obj)); 11219 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11220 System.identityHashCode(msg.obj)); 11221 11222 mHandler.sendMessage(msg); 11223 } 11224 11225 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11226 int userId) { 11227 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11228 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11229 } 11230 11231 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11232 int appId, int userId) { 11233 Bundle extras = new Bundle(1); 11234 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11235 11236 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11237 packageName, extras, 0, null, null, new int[] {userId}); 11238 try { 11239 IActivityManager am = ActivityManagerNative.getDefault(); 11240 if (isSystem && am.isUserRunning(userId, 0)) { 11241 // The just-installed/enabled app is bundled on the system, so presumed 11242 // to be able to run automatically without needing an explicit launch. 11243 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11244 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11245 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11246 .setPackage(packageName); 11247 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11248 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11249 } 11250 } catch (RemoteException e) { 11251 // shouldn't happen 11252 Slog.w(TAG, "Unable to bootstrap installed package", e); 11253 } 11254 } 11255 11256 @Override 11257 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11258 int userId) { 11259 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11260 PackageSetting pkgSetting; 11261 final int uid = Binder.getCallingUid(); 11262 enforceCrossUserPermission(uid, userId, 11263 true /* requireFullPermission */, true /* checkShell */, 11264 "setApplicationHiddenSetting for user " + userId); 11265 11266 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11267 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11268 return false; 11269 } 11270 11271 long callingId = Binder.clearCallingIdentity(); 11272 try { 11273 boolean sendAdded = false; 11274 boolean sendRemoved = false; 11275 // writer 11276 synchronized (mPackages) { 11277 pkgSetting = mSettings.mPackages.get(packageName); 11278 if (pkgSetting == null) { 11279 return false; 11280 } 11281 if (pkgSetting.getHidden(userId) != hidden) { 11282 pkgSetting.setHidden(hidden, userId); 11283 mSettings.writePackageRestrictionsLPr(userId); 11284 if (hidden) { 11285 sendRemoved = true; 11286 } else { 11287 sendAdded = true; 11288 } 11289 } 11290 } 11291 if (sendAdded) { 11292 sendPackageAddedForUser(packageName, pkgSetting, userId); 11293 return true; 11294 } 11295 if (sendRemoved) { 11296 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11297 "hiding pkg"); 11298 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11299 return true; 11300 } 11301 } finally { 11302 Binder.restoreCallingIdentity(callingId); 11303 } 11304 return false; 11305 } 11306 11307 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11308 int userId) { 11309 final PackageRemovedInfo info = new PackageRemovedInfo(); 11310 info.removedPackage = packageName; 11311 info.removedUsers = new int[] {userId}; 11312 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11313 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11314 } 11315 11316 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11317 if (pkgList.length > 0) { 11318 Bundle extras = new Bundle(1); 11319 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11320 11321 sendPackageBroadcast( 11322 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11323 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11324 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11325 new int[] {userId}); 11326 } 11327 } 11328 11329 /** 11330 * Returns true if application is not found or there was an error. Otherwise it returns 11331 * the hidden state of the package for the given user. 11332 */ 11333 @Override 11334 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11335 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11336 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11337 true /* requireFullPermission */, false /* checkShell */, 11338 "getApplicationHidden for user " + userId); 11339 PackageSetting pkgSetting; 11340 long callingId = Binder.clearCallingIdentity(); 11341 try { 11342 // writer 11343 synchronized (mPackages) { 11344 pkgSetting = mSettings.mPackages.get(packageName); 11345 if (pkgSetting == null) { 11346 return true; 11347 } 11348 return pkgSetting.getHidden(userId); 11349 } 11350 } finally { 11351 Binder.restoreCallingIdentity(callingId); 11352 } 11353 } 11354 11355 /** 11356 * @hide 11357 */ 11358 @Override 11359 public int installExistingPackageAsUser(String packageName, int userId) { 11360 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11361 null); 11362 PackageSetting pkgSetting; 11363 final int uid = Binder.getCallingUid(); 11364 enforceCrossUserPermission(uid, userId, 11365 true /* requireFullPermission */, true /* checkShell */, 11366 "installExistingPackage for user " + userId); 11367 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11368 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11369 } 11370 11371 long callingId = Binder.clearCallingIdentity(); 11372 try { 11373 boolean installed = false; 11374 11375 // writer 11376 synchronized (mPackages) { 11377 pkgSetting = mSettings.mPackages.get(packageName); 11378 if (pkgSetting == null) { 11379 return PackageManager.INSTALL_FAILED_INVALID_URI; 11380 } 11381 if (!pkgSetting.getInstalled(userId)) { 11382 pkgSetting.setInstalled(true, userId); 11383 pkgSetting.setHidden(false, userId); 11384 mSettings.writePackageRestrictionsLPr(userId); 11385 installed = true; 11386 } 11387 } 11388 11389 if (installed) { 11390 if (pkgSetting.pkg != null) { 11391 synchronized (mInstallLock) { 11392 // We don't need to freeze for a brand new install 11393 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11394 } 11395 } 11396 sendPackageAddedForUser(packageName, pkgSetting, userId); 11397 } 11398 } finally { 11399 Binder.restoreCallingIdentity(callingId); 11400 } 11401 11402 return PackageManager.INSTALL_SUCCEEDED; 11403 } 11404 11405 boolean isUserRestricted(int userId, String restrictionKey) { 11406 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11407 if (restrictions.getBoolean(restrictionKey, false)) { 11408 Log.w(TAG, "User is restricted: " + restrictionKey); 11409 return true; 11410 } 11411 return false; 11412 } 11413 11414 @Override 11415 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11416 int userId) { 11417 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11418 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11419 true /* requireFullPermission */, true /* checkShell */, 11420 "setPackagesSuspended for user " + userId); 11421 11422 if (ArrayUtils.isEmpty(packageNames)) { 11423 return packageNames; 11424 } 11425 11426 // List of package names for whom the suspended state has changed. 11427 List<String> changedPackages = new ArrayList<>(packageNames.length); 11428 // List of package names for whom the suspended state is not set as requested in this 11429 // method. 11430 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11431 for (int i = 0; i < packageNames.length; i++) { 11432 String packageName = packageNames[i]; 11433 long callingId = Binder.clearCallingIdentity(); 11434 try { 11435 boolean changed = false; 11436 final int appId; 11437 synchronized (mPackages) { 11438 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11439 if (pkgSetting == null) { 11440 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11441 + "\". Skipping suspending/un-suspending."); 11442 unactionedPackages.add(packageName); 11443 continue; 11444 } 11445 appId = pkgSetting.appId; 11446 if (pkgSetting.getSuspended(userId) != suspended) { 11447 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11448 unactionedPackages.add(packageName); 11449 continue; 11450 } 11451 pkgSetting.setSuspended(suspended, userId); 11452 mSettings.writePackageRestrictionsLPr(userId); 11453 changed = true; 11454 changedPackages.add(packageName); 11455 } 11456 } 11457 11458 if (changed && suspended) { 11459 killApplication(packageName, UserHandle.getUid(userId, appId), 11460 "suspending package"); 11461 } 11462 } finally { 11463 Binder.restoreCallingIdentity(callingId); 11464 } 11465 } 11466 11467 if (!changedPackages.isEmpty()) { 11468 sendPackagesSuspendedForUser(changedPackages.toArray( 11469 new String[changedPackages.size()]), userId, suspended); 11470 } 11471 11472 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11473 } 11474 11475 @Override 11476 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11477 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11478 true /* requireFullPermission */, false /* checkShell */, 11479 "isPackageSuspendedForUser for user " + userId); 11480 synchronized (mPackages) { 11481 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11482 if (pkgSetting == null) { 11483 throw new IllegalArgumentException("Unknown target package: " + packageName); 11484 } 11485 return pkgSetting.getSuspended(userId); 11486 } 11487 } 11488 11489 /** 11490 * TODO: cache and disallow blocking the active dialer. 11491 * 11492 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 11493 */ 11494 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11495 if (isPackageDeviceAdmin(packageName, userId)) { 11496 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11497 + "\": has an active device admin"); 11498 return false; 11499 } 11500 11501 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11502 if (packageName.equals(activeLauncherPackageName)) { 11503 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11504 + "\": contains the active launcher"); 11505 return false; 11506 } 11507 11508 if (packageName.equals(mRequiredInstallerPackage)) { 11509 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11510 + "\": required for package installation"); 11511 return false; 11512 } 11513 11514 if (packageName.equals(mRequiredVerifierPackage)) { 11515 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11516 + "\": required for package verification"); 11517 return false; 11518 } 11519 11520 final PackageParser.Package pkg = mPackages.get(packageName); 11521 if (pkg != null && isPrivilegedApp(pkg)) { 11522 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11523 + "\": is a privileged app"); 11524 return false; 11525 } 11526 11527 return true; 11528 } 11529 11530 private String getActiveLauncherPackageName(int userId) { 11531 Intent intent = new Intent(Intent.ACTION_MAIN); 11532 intent.addCategory(Intent.CATEGORY_HOME); 11533 ResolveInfo resolveInfo = resolveIntent( 11534 intent, 11535 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11536 PackageManager.MATCH_DEFAULT_ONLY, 11537 userId); 11538 11539 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11540 } 11541 11542 @Override 11543 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11544 mContext.enforceCallingOrSelfPermission( 11545 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11546 "Only package verification agents can verify applications"); 11547 11548 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11549 final PackageVerificationResponse response = new PackageVerificationResponse( 11550 verificationCode, Binder.getCallingUid()); 11551 msg.arg1 = id; 11552 msg.obj = response; 11553 mHandler.sendMessage(msg); 11554 } 11555 11556 @Override 11557 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11558 long millisecondsToDelay) { 11559 mContext.enforceCallingOrSelfPermission( 11560 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11561 "Only package verification agents can extend verification timeouts"); 11562 11563 final PackageVerificationState state = mPendingVerification.get(id); 11564 final PackageVerificationResponse response = new PackageVerificationResponse( 11565 verificationCodeAtTimeout, Binder.getCallingUid()); 11566 11567 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11568 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11569 } 11570 if (millisecondsToDelay < 0) { 11571 millisecondsToDelay = 0; 11572 } 11573 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11574 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11575 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11576 } 11577 11578 if ((state != null) && !state.timeoutExtended()) { 11579 state.extendTimeout(); 11580 11581 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11582 msg.arg1 = id; 11583 msg.obj = response; 11584 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11585 } 11586 } 11587 11588 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11589 int verificationCode, UserHandle user) { 11590 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11591 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11592 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11593 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11594 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11595 11596 mContext.sendBroadcastAsUser(intent, user, 11597 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11598 } 11599 11600 private ComponentName matchComponentForVerifier(String packageName, 11601 List<ResolveInfo> receivers) { 11602 ActivityInfo targetReceiver = null; 11603 11604 final int NR = receivers.size(); 11605 for (int i = 0; i < NR; i++) { 11606 final ResolveInfo info = receivers.get(i); 11607 if (info.activityInfo == null) { 11608 continue; 11609 } 11610 11611 if (packageName.equals(info.activityInfo.packageName)) { 11612 targetReceiver = info.activityInfo; 11613 break; 11614 } 11615 } 11616 11617 if (targetReceiver == null) { 11618 return null; 11619 } 11620 11621 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11622 } 11623 11624 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11625 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11626 if (pkgInfo.verifiers.length == 0) { 11627 return null; 11628 } 11629 11630 final int N = pkgInfo.verifiers.length; 11631 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11632 for (int i = 0; i < N; i++) { 11633 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11634 11635 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11636 receivers); 11637 if (comp == null) { 11638 continue; 11639 } 11640 11641 final int verifierUid = getUidForVerifier(verifierInfo); 11642 if (verifierUid == -1) { 11643 continue; 11644 } 11645 11646 if (DEBUG_VERIFY) { 11647 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11648 + " with the correct signature"); 11649 } 11650 sufficientVerifiers.add(comp); 11651 verificationState.addSufficientVerifier(verifierUid); 11652 } 11653 11654 return sufficientVerifiers; 11655 } 11656 11657 private int getUidForVerifier(VerifierInfo verifierInfo) { 11658 synchronized (mPackages) { 11659 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11660 if (pkg == null) { 11661 return -1; 11662 } else if (pkg.mSignatures.length != 1) { 11663 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11664 + " has more than one signature; ignoring"); 11665 return -1; 11666 } 11667 11668 /* 11669 * If the public key of the package's signature does not match 11670 * our expected public key, then this is a different package and 11671 * we should skip. 11672 */ 11673 11674 final byte[] expectedPublicKey; 11675 try { 11676 final Signature verifierSig = pkg.mSignatures[0]; 11677 final PublicKey publicKey = verifierSig.getPublicKey(); 11678 expectedPublicKey = publicKey.getEncoded(); 11679 } catch (CertificateException e) { 11680 return -1; 11681 } 11682 11683 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11684 11685 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11686 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11687 + " does not have the expected public key; ignoring"); 11688 return -1; 11689 } 11690 11691 return pkg.applicationInfo.uid; 11692 } 11693 } 11694 11695 @Override 11696 public void finishPackageInstall(int token) { 11697 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11698 11699 if (DEBUG_INSTALL) { 11700 Slog.v(TAG, "BM finishing package install for " + token); 11701 } 11702 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11703 11704 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11705 mHandler.sendMessage(msg); 11706 } 11707 11708 /** 11709 * Get the verification agent timeout. 11710 * 11711 * @return verification timeout in milliseconds 11712 */ 11713 private long getVerificationTimeout() { 11714 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11715 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11716 DEFAULT_VERIFICATION_TIMEOUT); 11717 } 11718 11719 /** 11720 * Get the default verification agent response code. 11721 * 11722 * @return default verification response code 11723 */ 11724 private int getDefaultVerificationResponse() { 11725 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11726 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11727 DEFAULT_VERIFICATION_RESPONSE); 11728 } 11729 11730 /** 11731 * Check whether or not package verification has been enabled. 11732 * 11733 * @return true if verification should be performed 11734 */ 11735 private boolean isVerificationEnabled(int userId, int installFlags) { 11736 if (!DEFAULT_VERIFY_ENABLE) { 11737 return false; 11738 } 11739 // Ephemeral apps don't get the full verification treatment 11740 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11741 if (DEBUG_EPHEMERAL) { 11742 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11743 } 11744 return false; 11745 } 11746 11747 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11748 11749 // Check if installing from ADB 11750 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11751 // Do not run verification in a test harness environment 11752 if (ActivityManager.isRunningInTestHarness()) { 11753 return false; 11754 } 11755 if (ensureVerifyAppsEnabled) { 11756 return true; 11757 } 11758 // Check if the developer does not want package verification for ADB installs 11759 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11760 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11761 return false; 11762 } 11763 } 11764 11765 if (ensureVerifyAppsEnabled) { 11766 return true; 11767 } 11768 11769 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11770 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11771 } 11772 11773 @Override 11774 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11775 throws RemoteException { 11776 mContext.enforceCallingOrSelfPermission( 11777 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11778 "Only intentfilter verification agents can verify applications"); 11779 11780 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11781 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11782 Binder.getCallingUid(), verificationCode, failedDomains); 11783 msg.arg1 = id; 11784 msg.obj = response; 11785 mHandler.sendMessage(msg); 11786 } 11787 11788 @Override 11789 public int getIntentVerificationStatus(String packageName, int userId) { 11790 synchronized (mPackages) { 11791 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11792 } 11793 } 11794 11795 @Override 11796 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11797 mContext.enforceCallingOrSelfPermission( 11798 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11799 11800 boolean result = false; 11801 synchronized (mPackages) { 11802 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11803 } 11804 if (result) { 11805 scheduleWritePackageRestrictionsLocked(userId); 11806 } 11807 return result; 11808 } 11809 11810 @Override 11811 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11812 String packageName) { 11813 synchronized (mPackages) { 11814 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11815 } 11816 } 11817 11818 @Override 11819 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11820 if (TextUtils.isEmpty(packageName)) { 11821 return ParceledListSlice.emptyList(); 11822 } 11823 synchronized (mPackages) { 11824 PackageParser.Package pkg = mPackages.get(packageName); 11825 if (pkg == null || pkg.activities == null) { 11826 return ParceledListSlice.emptyList(); 11827 } 11828 final int count = pkg.activities.size(); 11829 ArrayList<IntentFilter> result = new ArrayList<>(); 11830 for (int n=0; n<count; n++) { 11831 PackageParser.Activity activity = pkg.activities.get(n); 11832 if (activity.intents != null && activity.intents.size() > 0) { 11833 result.addAll(activity.intents); 11834 } 11835 } 11836 return new ParceledListSlice<>(result); 11837 } 11838 } 11839 11840 @Override 11841 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11842 mContext.enforceCallingOrSelfPermission( 11843 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11844 11845 synchronized (mPackages) { 11846 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11847 if (packageName != null) { 11848 result |= updateIntentVerificationStatus(packageName, 11849 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11850 userId); 11851 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11852 packageName, userId); 11853 } 11854 return result; 11855 } 11856 } 11857 11858 @Override 11859 public String getDefaultBrowserPackageName(int userId) { 11860 synchronized (mPackages) { 11861 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11862 } 11863 } 11864 11865 /** 11866 * Get the "allow unknown sources" setting. 11867 * 11868 * @return the current "allow unknown sources" setting 11869 */ 11870 private int getUnknownSourcesSettings() { 11871 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 11872 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 11873 -1); 11874 } 11875 11876 @Override 11877 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11878 final int uid = Binder.getCallingUid(); 11879 // writer 11880 synchronized (mPackages) { 11881 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11882 if (targetPackageSetting == null) { 11883 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11884 } 11885 11886 PackageSetting installerPackageSetting; 11887 if (installerPackageName != null) { 11888 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11889 if (installerPackageSetting == null) { 11890 throw new IllegalArgumentException("Unknown installer package: " 11891 + installerPackageName); 11892 } 11893 } else { 11894 installerPackageSetting = null; 11895 } 11896 11897 Signature[] callerSignature; 11898 Object obj = mSettings.getUserIdLPr(uid); 11899 if (obj != null) { 11900 if (obj instanceof SharedUserSetting) { 11901 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11902 } else if (obj instanceof PackageSetting) { 11903 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11904 } else { 11905 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11906 } 11907 } else { 11908 throw new SecurityException("Unknown calling UID: " + uid); 11909 } 11910 11911 // Verify: can't set installerPackageName to a package that is 11912 // not signed with the same cert as the caller. 11913 if (installerPackageSetting != null) { 11914 if (compareSignatures(callerSignature, 11915 installerPackageSetting.signatures.mSignatures) 11916 != PackageManager.SIGNATURE_MATCH) { 11917 throw new SecurityException( 11918 "Caller does not have same cert as new installer package " 11919 + installerPackageName); 11920 } 11921 } 11922 11923 // Verify: if target already has an installer package, it must 11924 // be signed with the same cert as the caller. 11925 if (targetPackageSetting.installerPackageName != null) { 11926 PackageSetting setting = mSettings.mPackages.get( 11927 targetPackageSetting.installerPackageName); 11928 // If the currently set package isn't valid, then it's always 11929 // okay to change it. 11930 if (setting != null) { 11931 if (compareSignatures(callerSignature, 11932 setting.signatures.mSignatures) 11933 != PackageManager.SIGNATURE_MATCH) { 11934 throw new SecurityException( 11935 "Caller does not have same cert as old installer package " 11936 + targetPackageSetting.installerPackageName); 11937 } 11938 } 11939 } 11940 11941 // Okay! 11942 targetPackageSetting.installerPackageName = installerPackageName; 11943 if (installerPackageName != null) { 11944 mSettings.mInstallerPackages.add(installerPackageName); 11945 } 11946 scheduleWriteSettingsLocked(); 11947 } 11948 } 11949 11950 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11951 // Queue up an async operation since the package installation may take a little while. 11952 mHandler.post(new Runnable() { 11953 public void run() { 11954 mHandler.removeCallbacks(this); 11955 // Result object to be returned 11956 PackageInstalledInfo res = new PackageInstalledInfo(); 11957 res.setReturnCode(currentStatus); 11958 res.uid = -1; 11959 res.pkg = null; 11960 res.removedInfo = null; 11961 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11962 args.doPreInstall(res.returnCode); 11963 synchronized (mInstallLock) { 11964 installPackageTracedLI(args, res); 11965 } 11966 args.doPostInstall(res.returnCode, res.uid); 11967 } 11968 11969 // A restore should be performed at this point if (a) the install 11970 // succeeded, (b) the operation is not an update, and (c) the new 11971 // package has not opted out of backup participation. 11972 final boolean update = res.removedInfo != null 11973 && res.removedInfo.removedPackage != null; 11974 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11975 boolean doRestore = !update 11976 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11977 11978 // Set up the post-install work request bookkeeping. This will be used 11979 // and cleaned up by the post-install event handling regardless of whether 11980 // there's a restore pass performed. Token values are >= 1. 11981 int token; 11982 if (mNextInstallToken < 0) mNextInstallToken = 1; 11983 token = mNextInstallToken++; 11984 11985 PostInstallData data = new PostInstallData(args, res); 11986 mRunningInstalls.put(token, data); 11987 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11988 11989 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11990 // Pass responsibility to the Backup Manager. It will perform a 11991 // restore if appropriate, then pass responsibility back to the 11992 // Package Manager to run the post-install observer callbacks 11993 // and broadcasts. 11994 IBackupManager bm = IBackupManager.Stub.asInterface( 11995 ServiceManager.getService(Context.BACKUP_SERVICE)); 11996 if (bm != null) { 11997 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11998 + " to BM for possible restore"); 11999 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12000 try { 12001 // TODO: http://b/22388012 12002 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12003 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12004 } else { 12005 doRestore = false; 12006 } 12007 } catch (RemoteException e) { 12008 // can't happen; the backup manager is local 12009 } catch (Exception e) { 12010 Slog.e(TAG, "Exception trying to enqueue restore", e); 12011 doRestore = false; 12012 } 12013 } else { 12014 Slog.e(TAG, "Backup Manager not found!"); 12015 doRestore = false; 12016 } 12017 } 12018 12019 if (!doRestore) { 12020 // No restore possible, or the Backup Manager was mysteriously not 12021 // available -- just fire the post-install work request directly. 12022 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12023 12024 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12025 12026 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12027 mHandler.sendMessage(msg); 12028 } 12029 } 12030 }); 12031 } 12032 12033 private abstract class HandlerParams { 12034 private static final int MAX_RETRIES = 4; 12035 12036 /** 12037 * Number of times startCopy() has been attempted and had a non-fatal 12038 * error. 12039 */ 12040 private int mRetries = 0; 12041 12042 /** User handle for the user requesting the information or installation. */ 12043 private final UserHandle mUser; 12044 String traceMethod; 12045 int traceCookie; 12046 12047 HandlerParams(UserHandle user) { 12048 mUser = user; 12049 } 12050 12051 UserHandle getUser() { 12052 return mUser; 12053 } 12054 12055 HandlerParams setTraceMethod(String traceMethod) { 12056 this.traceMethod = traceMethod; 12057 return this; 12058 } 12059 12060 HandlerParams setTraceCookie(int traceCookie) { 12061 this.traceCookie = traceCookie; 12062 return this; 12063 } 12064 12065 final boolean startCopy() { 12066 boolean res; 12067 try { 12068 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12069 12070 if (++mRetries > MAX_RETRIES) { 12071 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12072 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12073 handleServiceError(); 12074 return false; 12075 } else { 12076 handleStartCopy(); 12077 res = true; 12078 } 12079 } catch (RemoteException e) { 12080 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12081 mHandler.sendEmptyMessage(MCS_RECONNECT); 12082 res = false; 12083 } 12084 handleReturnCode(); 12085 return res; 12086 } 12087 12088 final void serviceError() { 12089 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12090 handleServiceError(); 12091 handleReturnCode(); 12092 } 12093 12094 abstract void handleStartCopy() throws RemoteException; 12095 abstract void handleServiceError(); 12096 abstract void handleReturnCode(); 12097 } 12098 12099 class MeasureParams extends HandlerParams { 12100 private final PackageStats mStats; 12101 private boolean mSuccess; 12102 12103 private final IPackageStatsObserver mObserver; 12104 12105 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12106 super(new UserHandle(stats.userHandle)); 12107 mObserver = observer; 12108 mStats = stats; 12109 } 12110 12111 @Override 12112 public String toString() { 12113 return "MeasureParams{" 12114 + Integer.toHexString(System.identityHashCode(this)) 12115 + " " + mStats.packageName + "}"; 12116 } 12117 12118 @Override 12119 void handleStartCopy() throws RemoteException { 12120 synchronized (mInstallLock) { 12121 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12122 } 12123 12124 if (mSuccess) { 12125 final boolean mounted; 12126 if (Environment.isExternalStorageEmulated()) { 12127 mounted = true; 12128 } else { 12129 final String status = Environment.getExternalStorageState(); 12130 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12131 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12132 } 12133 12134 if (mounted) { 12135 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12136 12137 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12138 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12139 12140 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12141 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12142 12143 // Always subtract cache size, since it's a subdirectory 12144 mStats.externalDataSize -= mStats.externalCacheSize; 12145 12146 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12147 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12148 12149 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12150 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12151 } 12152 } 12153 } 12154 12155 @Override 12156 void handleReturnCode() { 12157 if (mObserver != null) { 12158 try { 12159 mObserver.onGetStatsCompleted(mStats, mSuccess); 12160 } catch (RemoteException e) { 12161 Slog.i(TAG, "Observer no longer exists."); 12162 } 12163 } 12164 } 12165 12166 @Override 12167 void handleServiceError() { 12168 Slog.e(TAG, "Could not measure application " + mStats.packageName 12169 + " external storage"); 12170 } 12171 } 12172 12173 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12174 throws RemoteException { 12175 long result = 0; 12176 for (File path : paths) { 12177 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12178 } 12179 return result; 12180 } 12181 12182 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12183 for (File path : paths) { 12184 try { 12185 mcs.clearDirectory(path.getAbsolutePath()); 12186 } catch (RemoteException e) { 12187 } 12188 } 12189 } 12190 12191 static class OriginInfo { 12192 /** 12193 * Location where install is coming from, before it has been 12194 * copied/renamed into place. This could be a single monolithic APK 12195 * file, or a cluster directory. This location may be untrusted. 12196 */ 12197 final File file; 12198 final String cid; 12199 12200 /** 12201 * Flag indicating that {@link #file} or {@link #cid} has already been 12202 * staged, meaning downstream users don't need to defensively copy the 12203 * contents. 12204 */ 12205 final boolean staged; 12206 12207 /** 12208 * Flag indicating that {@link #file} or {@link #cid} is an already 12209 * installed app that is being moved. 12210 */ 12211 final boolean existing; 12212 12213 final String resolvedPath; 12214 final File resolvedFile; 12215 12216 static OriginInfo fromNothing() { 12217 return new OriginInfo(null, null, false, false); 12218 } 12219 12220 static OriginInfo fromUntrustedFile(File file) { 12221 return new OriginInfo(file, null, false, false); 12222 } 12223 12224 static OriginInfo fromExistingFile(File file) { 12225 return new OriginInfo(file, null, false, true); 12226 } 12227 12228 static OriginInfo fromStagedFile(File file) { 12229 return new OriginInfo(file, null, true, false); 12230 } 12231 12232 static OriginInfo fromStagedContainer(String cid) { 12233 return new OriginInfo(null, cid, true, false); 12234 } 12235 12236 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12237 this.file = file; 12238 this.cid = cid; 12239 this.staged = staged; 12240 this.existing = existing; 12241 12242 if (cid != null) { 12243 resolvedPath = PackageHelper.getSdDir(cid); 12244 resolvedFile = new File(resolvedPath); 12245 } else if (file != null) { 12246 resolvedPath = file.getAbsolutePath(); 12247 resolvedFile = file; 12248 } else { 12249 resolvedPath = null; 12250 resolvedFile = null; 12251 } 12252 } 12253 } 12254 12255 static class MoveInfo { 12256 final int moveId; 12257 final String fromUuid; 12258 final String toUuid; 12259 final String packageName; 12260 final String dataAppName; 12261 final int appId; 12262 final String seinfo; 12263 final int targetSdkVersion; 12264 12265 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12266 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12267 this.moveId = moveId; 12268 this.fromUuid = fromUuid; 12269 this.toUuid = toUuid; 12270 this.packageName = packageName; 12271 this.dataAppName = dataAppName; 12272 this.appId = appId; 12273 this.seinfo = seinfo; 12274 this.targetSdkVersion = targetSdkVersion; 12275 } 12276 } 12277 12278 static class VerificationInfo { 12279 /** A constant used to indicate that a uid value is not present. */ 12280 public static final int NO_UID = -1; 12281 12282 /** URI referencing where the package was downloaded from. */ 12283 final Uri originatingUri; 12284 12285 /** HTTP referrer URI associated with the originatingURI. */ 12286 final Uri referrer; 12287 12288 /** UID of the application that the install request originated from. */ 12289 final int originatingUid; 12290 12291 /** UID of application requesting the install */ 12292 final int installerUid; 12293 12294 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12295 this.originatingUri = originatingUri; 12296 this.referrer = referrer; 12297 this.originatingUid = originatingUid; 12298 this.installerUid = installerUid; 12299 } 12300 } 12301 12302 class InstallParams extends HandlerParams { 12303 final OriginInfo origin; 12304 final MoveInfo move; 12305 final IPackageInstallObserver2 observer; 12306 int installFlags; 12307 final String installerPackageName; 12308 final String volumeUuid; 12309 private InstallArgs mArgs; 12310 private int mRet; 12311 final String packageAbiOverride; 12312 final String[] grantedRuntimePermissions; 12313 final VerificationInfo verificationInfo; 12314 final Certificate[][] certificates; 12315 12316 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12317 int installFlags, String installerPackageName, String volumeUuid, 12318 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12319 String[] grantedPermissions, Certificate[][] certificates) { 12320 super(user); 12321 this.origin = origin; 12322 this.move = move; 12323 this.observer = observer; 12324 this.installFlags = installFlags; 12325 this.installerPackageName = installerPackageName; 12326 this.volumeUuid = volumeUuid; 12327 this.verificationInfo = verificationInfo; 12328 this.packageAbiOverride = packageAbiOverride; 12329 this.grantedRuntimePermissions = grantedPermissions; 12330 this.certificates = certificates; 12331 } 12332 12333 @Override 12334 public String toString() { 12335 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12336 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12337 } 12338 12339 private int installLocationPolicy(PackageInfoLite pkgLite) { 12340 String packageName = pkgLite.packageName; 12341 int installLocation = pkgLite.installLocation; 12342 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12343 // reader 12344 synchronized (mPackages) { 12345 // Currently installed package which the new package is attempting to replace or 12346 // null if no such package is installed. 12347 PackageParser.Package installedPkg = mPackages.get(packageName); 12348 // Package which currently owns the data which the new package will own if installed. 12349 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12350 // will be null whereas dataOwnerPkg will contain information about the package 12351 // which was uninstalled while keeping its data. 12352 PackageParser.Package dataOwnerPkg = installedPkg; 12353 if (dataOwnerPkg == null) { 12354 PackageSetting ps = mSettings.mPackages.get(packageName); 12355 if (ps != null) { 12356 dataOwnerPkg = ps.pkg; 12357 } 12358 } 12359 12360 if (dataOwnerPkg != null) { 12361 // If installed, the package will get access to data left on the device by its 12362 // predecessor. As a security measure, this is permited only if this is not a 12363 // version downgrade or if the predecessor package is marked as debuggable and 12364 // a downgrade is explicitly requested. 12365 // 12366 // On debuggable platform builds, downgrades are permitted even for 12367 // non-debuggable packages to make testing easier. Debuggable platform builds do 12368 // not offer security guarantees and thus it's OK to disable some security 12369 // mechanisms to make debugging/testing easier on those builds. However, even on 12370 // debuggable builds downgrades of packages are permitted only if requested via 12371 // installFlags. This is because we aim to keep the behavior of debuggable 12372 // platform builds as close as possible to the behavior of non-debuggable 12373 // platform builds. 12374 final boolean downgradeRequested = 12375 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12376 final boolean packageDebuggable = 12377 (dataOwnerPkg.applicationInfo.flags 12378 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12379 final boolean downgradePermitted = 12380 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12381 if (!downgradePermitted) { 12382 try { 12383 checkDowngrade(dataOwnerPkg, pkgLite); 12384 } catch (PackageManagerException e) { 12385 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12386 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12387 } 12388 } 12389 } 12390 12391 if (installedPkg != null) { 12392 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12393 // Check for updated system application. 12394 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12395 if (onSd) { 12396 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12397 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12398 } 12399 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12400 } else { 12401 if (onSd) { 12402 // Install flag overrides everything. 12403 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12404 } 12405 // If current upgrade specifies particular preference 12406 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12407 // Application explicitly specified internal. 12408 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12409 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12410 // App explictly prefers external. Let policy decide 12411 } else { 12412 // Prefer previous location 12413 if (isExternal(installedPkg)) { 12414 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12415 } 12416 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12417 } 12418 } 12419 } else { 12420 // Invalid install. Return error code 12421 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12422 } 12423 } 12424 } 12425 // All the special cases have been taken care of. 12426 // Return result based on recommended install location. 12427 if (onSd) { 12428 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12429 } 12430 return pkgLite.recommendedInstallLocation; 12431 } 12432 12433 /* 12434 * Invoke remote method to get package information and install 12435 * location values. Override install location based on default 12436 * policy if needed and then create install arguments based 12437 * on the install location. 12438 */ 12439 public void handleStartCopy() throws RemoteException { 12440 int ret = PackageManager.INSTALL_SUCCEEDED; 12441 12442 // If we're already staged, we've firmly committed to an install location 12443 if (origin.staged) { 12444 if (origin.file != null) { 12445 installFlags |= PackageManager.INSTALL_INTERNAL; 12446 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12447 } else if (origin.cid != null) { 12448 installFlags |= PackageManager.INSTALL_EXTERNAL; 12449 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12450 } else { 12451 throw new IllegalStateException("Invalid stage location"); 12452 } 12453 } 12454 12455 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12456 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12457 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12458 PackageInfoLite pkgLite = null; 12459 12460 if (onInt && onSd) { 12461 // Check if both bits are set. 12462 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12463 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12464 } else if (onSd && ephemeral) { 12465 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12466 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12467 } else { 12468 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12469 packageAbiOverride); 12470 12471 if (DEBUG_EPHEMERAL && ephemeral) { 12472 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12473 } 12474 12475 /* 12476 * If we have too little free space, try to free cache 12477 * before giving up. 12478 */ 12479 if (!origin.staged && pkgLite.recommendedInstallLocation 12480 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12481 // TODO: focus freeing disk space on the target device 12482 final StorageManager storage = StorageManager.from(mContext); 12483 final long lowThreshold = storage.getStorageLowBytes( 12484 Environment.getDataDirectory()); 12485 12486 final long sizeBytes = mContainerService.calculateInstalledSize( 12487 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12488 12489 try { 12490 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12491 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12492 installFlags, packageAbiOverride); 12493 } catch (InstallerException e) { 12494 Slog.w(TAG, "Failed to free cache", e); 12495 } 12496 12497 /* 12498 * The cache free must have deleted the file we 12499 * downloaded to install. 12500 * 12501 * TODO: fix the "freeCache" call to not delete 12502 * the file we care about. 12503 */ 12504 if (pkgLite.recommendedInstallLocation 12505 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12506 pkgLite.recommendedInstallLocation 12507 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12508 } 12509 } 12510 } 12511 12512 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12513 int loc = pkgLite.recommendedInstallLocation; 12514 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12515 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12516 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12517 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12518 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12519 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12520 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12521 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12522 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12523 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12524 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12525 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12526 } else { 12527 // Override with defaults if needed. 12528 loc = installLocationPolicy(pkgLite); 12529 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12530 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12531 } else if (!onSd && !onInt) { 12532 // Override install location with flags 12533 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12534 // Set the flag to install on external media. 12535 installFlags |= PackageManager.INSTALL_EXTERNAL; 12536 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12537 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12538 if (DEBUG_EPHEMERAL) { 12539 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12540 } 12541 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12542 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12543 |PackageManager.INSTALL_INTERNAL); 12544 } else { 12545 // Make sure the flag for installing on external 12546 // media is unset 12547 installFlags |= PackageManager.INSTALL_INTERNAL; 12548 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12549 } 12550 } 12551 } 12552 } 12553 12554 final InstallArgs args = createInstallArgs(this); 12555 mArgs = args; 12556 12557 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12558 // TODO: http://b/22976637 12559 // Apps installed for "all" users use the device owner to verify the app 12560 UserHandle verifierUser = getUser(); 12561 if (verifierUser == UserHandle.ALL) { 12562 verifierUser = UserHandle.SYSTEM; 12563 } 12564 12565 /* 12566 * Determine if we have any installed package verifiers. If we 12567 * do, then we'll defer to them to verify the packages. 12568 */ 12569 final int requiredUid = mRequiredVerifierPackage == null ? -1 12570 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12571 verifierUser.getIdentifier()); 12572 if (!origin.existing && requiredUid != -1 12573 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12574 final Intent verification = new Intent( 12575 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12576 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12577 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12578 PACKAGE_MIME_TYPE); 12579 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12580 12581 // Query all live verifiers based on current user state 12582 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12583 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12584 12585 if (DEBUG_VERIFY) { 12586 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12587 + verification.toString() + " with " + pkgLite.verifiers.length 12588 + " optional verifiers"); 12589 } 12590 12591 final int verificationId = mPendingVerificationToken++; 12592 12593 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12594 12595 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12596 installerPackageName); 12597 12598 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12599 installFlags); 12600 12601 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12602 pkgLite.packageName); 12603 12604 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12605 pkgLite.versionCode); 12606 12607 if (verificationInfo != null) { 12608 if (verificationInfo.originatingUri != null) { 12609 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12610 verificationInfo.originatingUri); 12611 } 12612 if (verificationInfo.referrer != null) { 12613 verification.putExtra(Intent.EXTRA_REFERRER, 12614 verificationInfo.referrer); 12615 } 12616 if (verificationInfo.originatingUid >= 0) { 12617 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12618 verificationInfo.originatingUid); 12619 } 12620 if (verificationInfo.installerUid >= 0) { 12621 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12622 verificationInfo.installerUid); 12623 } 12624 } 12625 12626 final PackageVerificationState verificationState = new PackageVerificationState( 12627 requiredUid, args); 12628 12629 mPendingVerification.append(verificationId, verificationState); 12630 12631 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12632 receivers, verificationState); 12633 12634 /* 12635 * If any sufficient verifiers were listed in the package 12636 * manifest, attempt to ask them. 12637 */ 12638 if (sufficientVerifiers != null) { 12639 final int N = sufficientVerifiers.size(); 12640 if (N == 0) { 12641 Slog.i(TAG, "Additional verifiers required, but none installed."); 12642 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12643 } else { 12644 for (int i = 0; i < N; i++) { 12645 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12646 12647 final Intent sufficientIntent = new Intent(verification); 12648 sufficientIntent.setComponent(verifierComponent); 12649 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12650 } 12651 } 12652 } 12653 12654 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12655 mRequiredVerifierPackage, receivers); 12656 if (ret == PackageManager.INSTALL_SUCCEEDED 12657 && mRequiredVerifierPackage != null) { 12658 Trace.asyncTraceBegin( 12659 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12660 /* 12661 * Send the intent to the required verification agent, 12662 * but only start the verification timeout after the 12663 * target BroadcastReceivers have run. 12664 */ 12665 verification.setComponent(requiredVerifierComponent); 12666 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12667 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12668 new BroadcastReceiver() { 12669 @Override 12670 public void onReceive(Context context, Intent intent) { 12671 final Message msg = mHandler 12672 .obtainMessage(CHECK_PENDING_VERIFICATION); 12673 msg.arg1 = verificationId; 12674 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12675 } 12676 }, null, 0, null, null); 12677 12678 /* 12679 * We don't want the copy to proceed until verification 12680 * succeeds, so null out this field. 12681 */ 12682 mArgs = null; 12683 } 12684 } else { 12685 /* 12686 * No package verification is enabled, so immediately start 12687 * the remote call to initiate copy using temporary file. 12688 */ 12689 ret = args.copyApk(mContainerService, true); 12690 } 12691 } 12692 12693 mRet = ret; 12694 } 12695 12696 @Override 12697 void handleReturnCode() { 12698 // If mArgs is null, then MCS couldn't be reached. When it 12699 // reconnects, it will try again to install. At that point, this 12700 // will succeed. 12701 if (mArgs != null) { 12702 processPendingInstall(mArgs, mRet); 12703 } 12704 } 12705 12706 @Override 12707 void handleServiceError() { 12708 mArgs = createInstallArgs(this); 12709 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12710 } 12711 12712 public boolean isForwardLocked() { 12713 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12714 } 12715 } 12716 12717 /** 12718 * Used during creation of InstallArgs 12719 * 12720 * @param installFlags package installation flags 12721 * @return true if should be installed on external storage 12722 */ 12723 private static boolean installOnExternalAsec(int installFlags) { 12724 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12725 return false; 12726 } 12727 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12728 return true; 12729 } 12730 return false; 12731 } 12732 12733 /** 12734 * Used during creation of InstallArgs 12735 * 12736 * @param installFlags package installation flags 12737 * @return true if should be installed as forward locked 12738 */ 12739 private static boolean installForwardLocked(int installFlags) { 12740 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12741 } 12742 12743 private InstallArgs createInstallArgs(InstallParams params) { 12744 if (params.move != null) { 12745 return new MoveInstallArgs(params); 12746 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12747 return new AsecInstallArgs(params); 12748 } else { 12749 return new FileInstallArgs(params); 12750 } 12751 } 12752 12753 /** 12754 * Create args that describe an existing installed package. Typically used 12755 * when cleaning up old installs, or used as a move source. 12756 */ 12757 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12758 String resourcePath, String[] instructionSets) { 12759 final boolean isInAsec; 12760 if (installOnExternalAsec(installFlags)) { 12761 /* Apps on SD card are always in ASEC containers. */ 12762 isInAsec = true; 12763 } else if (installForwardLocked(installFlags) 12764 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12765 /* 12766 * Forward-locked apps are only in ASEC containers if they're the 12767 * new style 12768 */ 12769 isInAsec = true; 12770 } else { 12771 isInAsec = false; 12772 } 12773 12774 if (isInAsec) { 12775 return new AsecInstallArgs(codePath, instructionSets, 12776 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12777 } else { 12778 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12779 } 12780 } 12781 12782 static abstract class InstallArgs { 12783 /** @see InstallParams#origin */ 12784 final OriginInfo origin; 12785 /** @see InstallParams#move */ 12786 final MoveInfo move; 12787 12788 final IPackageInstallObserver2 observer; 12789 // Always refers to PackageManager flags only 12790 final int installFlags; 12791 final String installerPackageName; 12792 final String volumeUuid; 12793 final UserHandle user; 12794 final String abiOverride; 12795 final String[] installGrantPermissions; 12796 /** If non-null, drop an async trace when the install completes */ 12797 final String traceMethod; 12798 final int traceCookie; 12799 final Certificate[][] certificates; 12800 12801 // The list of instruction sets supported by this app. This is currently 12802 // only used during the rmdex() phase to clean up resources. We can get rid of this 12803 // if we move dex files under the common app path. 12804 /* nullable */ String[] instructionSets; 12805 12806 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12807 int installFlags, String installerPackageName, String volumeUuid, 12808 UserHandle user, String[] instructionSets, 12809 String abiOverride, String[] installGrantPermissions, 12810 String traceMethod, int traceCookie, Certificate[][] certificates) { 12811 this.origin = origin; 12812 this.move = move; 12813 this.installFlags = installFlags; 12814 this.observer = observer; 12815 this.installerPackageName = installerPackageName; 12816 this.volumeUuid = volumeUuid; 12817 this.user = user; 12818 this.instructionSets = instructionSets; 12819 this.abiOverride = abiOverride; 12820 this.installGrantPermissions = installGrantPermissions; 12821 this.traceMethod = traceMethod; 12822 this.traceCookie = traceCookie; 12823 this.certificates = certificates; 12824 } 12825 12826 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12827 abstract int doPreInstall(int status); 12828 12829 /** 12830 * Rename package into final resting place. All paths on the given 12831 * scanned package should be updated to reflect the rename. 12832 */ 12833 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12834 abstract int doPostInstall(int status, int uid); 12835 12836 /** @see PackageSettingBase#codePathString */ 12837 abstract String getCodePath(); 12838 /** @see PackageSettingBase#resourcePathString */ 12839 abstract String getResourcePath(); 12840 12841 // Need installer lock especially for dex file removal. 12842 abstract void cleanUpResourcesLI(); 12843 abstract boolean doPostDeleteLI(boolean delete); 12844 12845 /** 12846 * Called before the source arguments are copied. This is used mostly 12847 * for MoveParams when it needs to read the source file to put it in the 12848 * destination. 12849 */ 12850 int doPreCopy() { 12851 return PackageManager.INSTALL_SUCCEEDED; 12852 } 12853 12854 /** 12855 * Called after the source arguments are copied. This is used mostly for 12856 * MoveParams when it needs to read the source file to put it in the 12857 * destination. 12858 */ 12859 int doPostCopy(int uid) { 12860 return PackageManager.INSTALL_SUCCEEDED; 12861 } 12862 12863 protected boolean isFwdLocked() { 12864 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12865 } 12866 12867 protected boolean isExternalAsec() { 12868 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12869 } 12870 12871 protected boolean isEphemeral() { 12872 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12873 } 12874 12875 UserHandle getUser() { 12876 return user; 12877 } 12878 } 12879 12880 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12881 if (!allCodePaths.isEmpty()) { 12882 if (instructionSets == null) { 12883 throw new IllegalStateException("instructionSet == null"); 12884 } 12885 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12886 for (String codePath : allCodePaths) { 12887 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12888 try { 12889 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12890 } catch (InstallerException ignored) { 12891 } 12892 } 12893 } 12894 } 12895 } 12896 12897 /** 12898 * Logic to handle installation of non-ASEC applications, including copying 12899 * and renaming logic. 12900 */ 12901 class FileInstallArgs extends InstallArgs { 12902 private File codeFile; 12903 private File resourceFile; 12904 12905 // Example topology: 12906 // /data/app/com.example/base.apk 12907 // /data/app/com.example/split_foo.apk 12908 // /data/app/com.example/lib/arm/libfoo.so 12909 // /data/app/com.example/lib/arm64/libfoo.so 12910 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12911 12912 /** New install */ 12913 FileInstallArgs(InstallParams params) { 12914 super(params.origin, params.move, params.observer, params.installFlags, 12915 params.installerPackageName, params.volumeUuid, 12916 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 12917 params.grantedRuntimePermissions, 12918 params.traceMethod, params.traceCookie, params.certificates); 12919 if (isFwdLocked()) { 12920 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12921 } 12922 } 12923 12924 /** Existing install */ 12925 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12926 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12927 null, null, null, 0, null /*certificates*/); 12928 this.codeFile = (codePath != null) ? new File(codePath) : null; 12929 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12930 } 12931 12932 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12933 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12934 try { 12935 return doCopyApk(imcs, temp); 12936 } finally { 12937 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12938 } 12939 } 12940 12941 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12942 if (origin.staged) { 12943 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12944 codeFile = origin.file; 12945 resourceFile = origin.file; 12946 return PackageManager.INSTALL_SUCCEEDED; 12947 } 12948 12949 try { 12950 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12951 final File tempDir = 12952 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12953 codeFile = tempDir; 12954 resourceFile = tempDir; 12955 } catch (IOException e) { 12956 Slog.w(TAG, "Failed to create copy file: " + e); 12957 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12958 } 12959 12960 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12961 @Override 12962 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12963 if (!FileUtils.isValidExtFilename(name)) { 12964 throw new IllegalArgumentException("Invalid filename: " + name); 12965 } 12966 try { 12967 final File file = new File(codeFile, name); 12968 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12969 O_RDWR | O_CREAT, 0644); 12970 Os.chmod(file.getAbsolutePath(), 0644); 12971 return new ParcelFileDescriptor(fd); 12972 } catch (ErrnoException e) { 12973 throw new RemoteException("Failed to open: " + e.getMessage()); 12974 } 12975 } 12976 }; 12977 12978 int ret = PackageManager.INSTALL_SUCCEEDED; 12979 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12980 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12981 Slog.e(TAG, "Failed to copy package"); 12982 return ret; 12983 } 12984 12985 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12986 NativeLibraryHelper.Handle handle = null; 12987 try { 12988 handle = NativeLibraryHelper.Handle.create(codeFile); 12989 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12990 abiOverride); 12991 } catch (IOException e) { 12992 Slog.e(TAG, "Copying native libraries failed", e); 12993 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12994 } finally { 12995 IoUtils.closeQuietly(handle); 12996 } 12997 12998 return ret; 12999 } 13000 13001 int doPreInstall(int status) { 13002 if (status != PackageManager.INSTALL_SUCCEEDED) { 13003 cleanUp(); 13004 } 13005 return status; 13006 } 13007 13008 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13009 if (status != PackageManager.INSTALL_SUCCEEDED) { 13010 cleanUp(); 13011 return false; 13012 } 13013 13014 final File targetDir = codeFile.getParentFile(); 13015 final File beforeCodeFile = codeFile; 13016 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13017 13018 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13019 try { 13020 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13021 } catch (ErrnoException e) { 13022 Slog.w(TAG, "Failed to rename", e); 13023 return false; 13024 } 13025 13026 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13027 Slog.w(TAG, "Failed to restorecon"); 13028 return false; 13029 } 13030 13031 // Reflect the rename internally 13032 codeFile = afterCodeFile; 13033 resourceFile = afterCodeFile; 13034 13035 // Reflect the rename in scanned details 13036 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13037 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13038 afterCodeFile, pkg.baseCodePath)); 13039 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13040 afterCodeFile, pkg.splitCodePaths)); 13041 13042 // Reflect the rename in app info 13043 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13044 pkg.setApplicationInfoCodePath(pkg.codePath); 13045 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13046 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13047 pkg.setApplicationInfoResourcePath(pkg.codePath); 13048 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13049 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13050 13051 return true; 13052 } 13053 13054 int doPostInstall(int status, int uid) { 13055 if (status != PackageManager.INSTALL_SUCCEEDED) { 13056 cleanUp(); 13057 } 13058 return status; 13059 } 13060 13061 @Override 13062 String getCodePath() { 13063 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13064 } 13065 13066 @Override 13067 String getResourcePath() { 13068 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13069 } 13070 13071 private boolean cleanUp() { 13072 if (codeFile == null || !codeFile.exists()) { 13073 return false; 13074 } 13075 13076 removeCodePathLI(codeFile); 13077 13078 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13079 resourceFile.delete(); 13080 } 13081 13082 return true; 13083 } 13084 13085 void cleanUpResourcesLI() { 13086 // Try enumerating all code paths before deleting 13087 List<String> allCodePaths = Collections.EMPTY_LIST; 13088 if (codeFile != null && codeFile.exists()) { 13089 try { 13090 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13091 allCodePaths = pkg.getAllCodePaths(); 13092 } catch (PackageParserException e) { 13093 // Ignored; we tried our best 13094 } 13095 } 13096 13097 cleanUp(); 13098 removeDexFiles(allCodePaths, instructionSets); 13099 } 13100 13101 boolean doPostDeleteLI(boolean delete) { 13102 // XXX err, shouldn't we respect the delete flag? 13103 cleanUpResourcesLI(); 13104 return true; 13105 } 13106 } 13107 13108 private boolean isAsecExternal(String cid) { 13109 final String asecPath = PackageHelper.getSdFilesystem(cid); 13110 return !asecPath.startsWith(mAsecInternalPath); 13111 } 13112 13113 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13114 PackageManagerException { 13115 if (copyRet < 0) { 13116 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13117 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13118 throw new PackageManagerException(copyRet, message); 13119 } 13120 } 13121 } 13122 13123 /** 13124 * Extract the MountService "container ID" from the full code path of an 13125 * .apk. 13126 */ 13127 static String cidFromCodePath(String fullCodePath) { 13128 int eidx = fullCodePath.lastIndexOf("/"); 13129 String subStr1 = fullCodePath.substring(0, eidx); 13130 int sidx = subStr1.lastIndexOf("/"); 13131 return subStr1.substring(sidx+1, eidx); 13132 } 13133 13134 /** 13135 * Logic to handle installation of ASEC applications, including copying and 13136 * renaming logic. 13137 */ 13138 class AsecInstallArgs extends InstallArgs { 13139 static final String RES_FILE_NAME = "pkg.apk"; 13140 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13141 13142 String cid; 13143 String packagePath; 13144 String resourcePath; 13145 13146 /** New install */ 13147 AsecInstallArgs(InstallParams params) { 13148 super(params.origin, params.move, params.observer, params.installFlags, 13149 params.installerPackageName, params.volumeUuid, 13150 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13151 params.grantedRuntimePermissions, 13152 params.traceMethod, params.traceCookie, params.certificates); 13153 } 13154 13155 /** Existing install */ 13156 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13157 boolean isExternal, boolean isForwardLocked) { 13158 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13159 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13160 instructionSets, null, null, null, 0, null /*certificates*/); 13161 // Hackily pretend we're still looking at a full code path 13162 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13163 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13164 } 13165 13166 // Extract cid from fullCodePath 13167 int eidx = fullCodePath.lastIndexOf("/"); 13168 String subStr1 = fullCodePath.substring(0, eidx); 13169 int sidx = subStr1.lastIndexOf("/"); 13170 cid = subStr1.substring(sidx+1, eidx); 13171 setMountPath(subStr1); 13172 } 13173 13174 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13175 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13176 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13177 instructionSets, null, null, null, 0, null /*certificates*/); 13178 this.cid = cid; 13179 setMountPath(PackageHelper.getSdDir(cid)); 13180 } 13181 13182 void createCopyFile() { 13183 cid = mInstallerService.allocateExternalStageCidLegacy(); 13184 } 13185 13186 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13187 if (origin.staged && origin.cid != null) { 13188 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13189 cid = origin.cid; 13190 setMountPath(PackageHelper.getSdDir(cid)); 13191 return PackageManager.INSTALL_SUCCEEDED; 13192 } 13193 13194 if (temp) { 13195 createCopyFile(); 13196 } else { 13197 /* 13198 * Pre-emptively destroy the container since it's destroyed if 13199 * copying fails due to it existing anyway. 13200 */ 13201 PackageHelper.destroySdDir(cid); 13202 } 13203 13204 final String newMountPath = imcs.copyPackageToContainer( 13205 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13206 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13207 13208 if (newMountPath != null) { 13209 setMountPath(newMountPath); 13210 return PackageManager.INSTALL_SUCCEEDED; 13211 } else { 13212 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13213 } 13214 } 13215 13216 @Override 13217 String getCodePath() { 13218 return packagePath; 13219 } 13220 13221 @Override 13222 String getResourcePath() { 13223 return resourcePath; 13224 } 13225 13226 int doPreInstall(int status) { 13227 if (status != PackageManager.INSTALL_SUCCEEDED) { 13228 // Destroy container 13229 PackageHelper.destroySdDir(cid); 13230 } else { 13231 boolean mounted = PackageHelper.isContainerMounted(cid); 13232 if (!mounted) { 13233 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13234 Process.SYSTEM_UID); 13235 if (newMountPath != null) { 13236 setMountPath(newMountPath); 13237 } else { 13238 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13239 } 13240 } 13241 } 13242 return status; 13243 } 13244 13245 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13246 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13247 String newMountPath = null; 13248 if (PackageHelper.isContainerMounted(cid)) { 13249 // Unmount the container 13250 if (!PackageHelper.unMountSdDir(cid)) { 13251 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13252 return false; 13253 } 13254 } 13255 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13256 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13257 " which might be stale. Will try to clean up."); 13258 // Clean up the stale container and proceed to recreate. 13259 if (!PackageHelper.destroySdDir(newCacheId)) { 13260 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13261 return false; 13262 } 13263 // Successfully cleaned up stale container. Try to rename again. 13264 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13265 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13266 + " inspite of cleaning it up."); 13267 return false; 13268 } 13269 } 13270 if (!PackageHelper.isContainerMounted(newCacheId)) { 13271 Slog.w(TAG, "Mounting container " + newCacheId); 13272 newMountPath = PackageHelper.mountSdDir(newCacheId, 13273 getEncryptKey(), Process.SYSTEM_UID); 13274 } else { 13275 newMountPath = PackageHelper.getSdDir(newCacheId); 13276 } 13277 if (newMountPath == null) { 13278 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13279 return false; 13280 } 13281 Log.i(TAG, "Succesfully renamed " + cid + 13282 " to " + newCacheId + 13283 " at new path: " + newMountPath); 13284 cid = newCacheId; 13285 13286 final File beforeCodeFile = new File(packagePath); 13287 setMountPath(newMountPath); 13288 final File afterCodeFile = new File(packagePath); 13289 13290 // Reflect the rename in scanned details 13291 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13292 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13293 afterCodeFile, pkg.baseCodePath)); 13294 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13295 afterCodeFile, pkg.splitCodePaths)); 13296 13297 // Reflect the rename in app info 13298 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13299 pkg.setApplicationInfoCodePath(pkg.codePath); 13300 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13301 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13302 pkg.setApplicationInfoResourcePath(pkg.codePath); 13303 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13304 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13305 13306 return true; 13307 } 13308 13309 private void setMountPath(String mountPath) { 13310 final File mountFile = new File(mountPath); 13311 13312 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13313 if (monolithicFile.exists()) { 13314 packagePath = monolithicFile.getAbsolutePath(); 13315 if (isFwdLocked()) { 13316 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13317 } else { 13318 resourcePath = packagePath; 13319 } 13320 } else { 13321 packagePath = mountFile.getAbsolutePath(); 13322 resourcePath = packagePath; 13323 } 13324 } 13325 13326 int doPostInstall(int status, int uid) { 13327 if (status != PackageManager.INSTALL_SUCCEEDED) { 13328 cleanUp(); 13329 } else { 13330 final int groupOwner; 13331 final String protectedFile; 13332 if (isFwdLocked()) { 13333 groupOwner = UserHandle.getSharedAppGid(uid); 13334 protectedFile = RES_FILE_NAME; 13335 } else { 13336 groupOwner = -1; 13337 protectedFile = null; 13338 } 13339 13340 if (uid < Process.FIRST_APPLICATION_UID 13341 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13342 Slog.e(TAG, "Failed to finalize " + cid); 13343 PackageHelper.destroySdDir(cid); 13344 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13345 } 13346 13347 boolean mounted = PackageHelper.isContainerMounted(cid); 13348 if (!mounted) { 13349 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13350 } 13351 } 13352 return status; 13353 } 13354 13355 private void cleanUp() { 13356 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13357 13358 // Destroy secure container 13359 PackageHelper.destroySdDir(cid); 13360 } 13361 13362 private List<String> getAllCodePaths() { 13363 final File codeFile = new File(getCodePath()); 13364 if (codeFile != null && codeFile.exists()) { 13365 try { 13366 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13367 return pkg.getAllCodePaths(); 13368 } catch (PackageParserException e) { 13369 // Ignored; we tried our best 13370 } 13371 } 13372 return Collections.EMPTY_LIST; 13373 } 13374 13375 void cleanUpResourcesLI() { 13376 // Enumerate all code paths before deleting 13377 cleanUpResourcesLI(getAllCodePaths()); 13378 } 13379 13380 private void cleanUpResourcesLI(List<String> allCodePaths) { 13381 cleanUp(); 13382 removeDexFiles(allCodePaths, instructionSets); 13383 } 13384 13385 String getPackageName() { 13386 return getAsecPackageName(cid); 13387 } 13388 13389 boolean doPostDeleteLI(boolean delete) { 13390 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13391 final List<String> allCodePaths = getAllCodePaths(); 13392 boolean mounted = PackageHelper.isContainerMounted(cid); 13393 if (mounted) { 13394 // Unmount first 13395 if (PackageHelper.unMountSdDir(cid)) { 13396 mounted = false; 13397 } 13398 } 13399 if (!mounted && delete) { 13400 cleanUpResourcesLI(allCodePaths); 13401 } 13402 return !mounted; 13403 } 13404 13405 @Override 13406 int doPreCopy() { 13407 if (isFwdLocked()) { 13408 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13409 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13410 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13411 } 13412 } 13413 13414 return PackageManager.INSTALL_SUCCEEDED; 13415 } 13416 13417 @Override 13418 int doPostCopy(int uid) { 13419 if (isFwdLocked()) { 13420 if (uid < Process.FIRST_APPLICATION_UID 13421 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13422 RES_FILE_NAME)) { 13423 Slog.e(TAG, "Failed to finalize " + cid); 13424 PackageHelper.destroySdDir(cid); 13425 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13426 } 13427 } 13428 13429 return PackageManager.INSTALL_SUCCEEDED; 13430 } 13431 } 13432 13433 /** 13434 * Logic to handle movement of existing installed applications. 13435 */ 13436 class MoveInstallArgs extends InstallArgs { 13437 private File codeFile; 13438 private File resourceFile; 13439 13440 /** New install */ 13441 MoveInstallArgs(InstallParams params) { 13442 super(params.origin, params.move, params.observer, params.installFlags, 13443 params.installerPackageName, params.volumeUuid, 13444 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13445 params.grantedRuntimePermissions, 13446 params.traceMethod, params.traceCookie, params.certificates); 13447 } 13448 13449 int copyApk(IMediaContainerService imcs, boolean temp) { 13450 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13451 + move.fromUuid + " to " + move.toUuid); 13452 synchronized (mInstaller) { 13453 try { 13454 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13455 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13456 } catch (InstallerException e) { 13457 Slog.w(TAG, "Failed to move app", e); 13458 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13459 } 13460 } 13461 13462 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13463 resourceFile = codeFile; 13464 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13465 13466 return PackageManager.INSTALL_SUCCEEDED; 13467 } 13468 13469 int doPreInstall(int status) { 13470 if (status != PackageManager.INSTALL_SUCCEEDED) { 13471 cleanUp(move.toUuid); 13472 } 13473 return status; 13474 } 13475 13476 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13477 if (status != PackageManager.INSTALL_SUCCEEDED) { 13478 cleanUp(move.toUuid); 13479 return false; 13480 } 13481 13482 // Reflect the move in app info 13483 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13484 pkg.setApplicationInfoCodePath(pkg.codePath); 13485 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13486 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13487 pkg.setApplicationInfoResourcePath(pkg.codePath); 13488 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13489 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13490 13491 return true; 13492 } 13493 13494 int doPostInstall(int status, int uid) { 13495 if (status == PackageManager.INSTALL_SUCCEEDED) { 13496 cleanUp(move.fromUuid); 13497 } else { 13498 cleanUp(move.toUuid); 13499 } 13500 return status; 13501 } 13502 13503 @Override 13504 String getCodePath() { 13505 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13506 } 13507 13508 @Override 13509 String getResourcePath() { 13510 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13511 } 13512 13513 private boolean cleanUp(String volumeUuid) { 13514 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13515 move.dataAppName); 13516 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13517 final int[] userIds = sUserManager.getUserIds(); 13518 synchronized (mInstallLock) { 13519 // Clean up both app data and code 13520 // All package moves are frozen until finished 13521 for (int userId : userIds) { 13522 try { 13523 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13524 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13525 } catch (InstallerException e) { 13526 Slog.w(TAG, String.valueOf(e)); 13527 } 13528 } 13529 removeCodePathLI(codeFile); 13530 } 13531 return true; 13532 } 13533 13534 void cleanUpResourcesLI() { 13535 throw new UnsupportedOperationException(); 13536 } 13537 13538 boolean doPostDeleteLI(boolean delete) { 13539 throw new UnsupportedOperationException(); 13540 } 13541 } 13542 13543 static String getAsecPackageName(String packageCid) { 13544 int idx = packageCid.lastIndexOf("-"); 13545 if (idx == -1) { 13546 return packageCid; 13547 } 13548 return packageCid.substring(0, idx); 13549 } 13550 13551 // Utility method used to create code paths based on package name and available index. 13552 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13553 String idxStr = ""; 13554 int idx = 1; 13555 // Fall back to default value of idx=1 if prefix is not 13556 // part of oldCodePath 13557 if (oldCodePath != null) { 13558 String subStr = oldCodePath; 13559 // Drop the suffix right away 13560 if (suffix != null && subStr.endsWith(suffix)) { 13561 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13562 } 13563 // If oldCodePath already contains prefix find out the 13564 // ending index to either increment or decrement. 13565 int sidx = subStr.lastIndexOf(prefix); 13566 if (sidx != -1) { 13567 subStr = subStr.substring(sidx + prefix.length()); 13568 if (subStr != null) { 13569 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13570 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13571 } 13572 try { 13573 idx = Integer.parseInt(subStr); 13574 if (idx <= 1) { 13575 idx++; 13576 } else { 13577 idx--; 13578 } 13579 } catch(NumberFormatException e) { 13580 } 13581 } 13582 } 13583 } 13584 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13585 return prefix + idxStr; 13586 } 13587 13588 private File getNextCodePath(File targetDir, String packageName) { 13589 int suffix = 1; 13590 File result; 13591 do { 13592 result = new File(targetDir, packageName + "-" + suffix); 13593 suffix++; 13594 } while (result.exists()); 13595 return result; 13596 } 13597 13598 // Utility method that returns the relative package path with respect 13599 // to the installation directory. Like say for /data/data/com.test-1.apk 13600 // string com.test-1 is returned. 13601 static String deriveCodePathName(String codePath) { 13602 if (codePath == null) { 13603 return null; 13604 } 13605 final File codeFile = new File(codePath); 13606 final String name = codeFile.getName(); 13607 if (codeFile.isDirectory()) { 13608 return name; 13609 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13610 final int lastDot = name.lastIndexOf('.'); 13611 return name.substring(0, lastDot); 13612 } else { 13613 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13614 return null; 13615 } 13616 } 13617 13618 static class PackageInstalledInfo { 13619 String name; 13620 int uid; 13621 // The set of users that originally had this package installed. 13622 int[] origUsers; 13623 // The set of users that now have this package installed. 13624 int[] newUsers; 13625 PackageParser.Package pkg; 13626 int returnCode; 13627 String returnMsg; 13628 PackageRemovedInfo removedInfo; 13629 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13630 13631 public void setError(int code, String msg) { 13632 setReturnCode(code); 13633 setReturnMessage(msg); 13634 Slog.w(TAG, msg); 13635 } 13636 13637 public void setError(String msg, PackageParserException e) { 13638 setReturnCode(e.error); 13639 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13640 Slog.w(TAG, msg, e); 13641 } 13642 13643 public void setError(String msg, PackageManagerException e) { 13644 returnCode = e.error; 13645 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13646 Slog.w(TAG, msg, e); 13647 } 13648 13649 public void setReturnCode(int returnCode) { 13650 this.returnCode = returnCode; 13651 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13652 for (int i = 0; i < childCount; i++) { 13653 addedChildPackages.valueAt(i).returnCode = returnCode; 13654 } 13655 } 13656 13657 private void setReturnMessage(String returnMsg) { 13658 this.returnMsg = returnMsg; 13659 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13660 for (int i = 0; i < childCount; i++) { 13661 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13662 } 13663 } 13664 13665 // In some error cases we want to convey more info back to the observer 13666 String origPackage; 13667 String origPermission; 13668 } 13669 13670 /* 13671 * Install a non-existing package. 13672 */ 13673 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13674 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13675 PackageInstalledInfo res) { 13676 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13677 13678 // Remember this for later, in case we need to rollback this install 13679 String pkgName = pkg.packageName; 13680 13681 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13682 13683 synchronized(mPackages) { 13684 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13685 // A package with the same name is already installed, though 13686 // it has been renamed to an older name. The package we 13687 // are trying to install should be installed as an update to 13688 // the existing one, but that has not been requested, so bail. 13689 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13690 + " without first uninstalling package running as " 13691 + mSettings.mRenamedPackages.get(pkgName)); 13692 return; 13693 } 13694 if (mPackages.containsKey(pkgName)) { 13695 // Don't allow installation over an existing package with the same name. 13696 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13697 + " without first uninstalling."); 13698 return; 13699 } 13700 } 13701 13702 try { 13703 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13704 System.currentTimeMillis(), user); 13705 13706 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13707 13708 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13709 prepareAppDataAfterInstallLIF(newPackage); 13710 13711 } else { 13712 // Remove package from internal structures, but keep around any 13713 // data that might have already existed 13714 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13715 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13716 } 13717 } catch (PackageManagerException e) { 13718 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13719 } 13720 13721 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13722 } 13723 13724 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13725 // Can't rotate keys during boot or if sharedUser. 13726 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13727 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13728 return false; 13729 } 13730 // app is using upgradeKeySets; make sure all are valid 13731 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13732 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13733 for (int i = 0; i < upgradeKeySets.length; i++) { 13734 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13735 Slog.wtf(TAG, "Package " 13736 + (oldPs.name != null ? oldPs.name : "<null>") 13737 + " contains upgrade-key-set reference to unknown key-set: " 13738 + upgradeKeySets[i] 13739 + " reverting to signatures check."); 13740 return false; 13741 } 13742 } 13743 return true; 13744 } 13745 13746 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13747 // Upgrade keysets are being used. Determine if new package has a superset of the 13748 // required keys. 13749 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13750 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13751 for (int i = 0; i < upgradeKeySets.length; i++) { 13752 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13753 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13754 return true; 13755 } 13756 } 13757 return false; 13758 } 13759 13760 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 13761 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13762 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13763 13764 final PackageParser.Package oldPackage; 13765 final String pkgName = pkg.packageName; 13766 final int[] allUsers; 13767 final int[] installedUsers; 13768 13769 synchronized(mPackages) { 13770 oldPackage = mPackages.get(pkgName); 13771 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13772 13773 // don't allow upgrade to target a release SDK from a pre-release SDK 13774 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 13775 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13776 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 13777 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13778 if (oldTargetsPreRelease 13779 && !newTargetsPreRelease 13780 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 13781 Slog.w(TAG, "Can't install package targeting released sdk"); 13782 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 13783 return; 13784 } 13785 13786 // don't allow an upgrade from full to ephemeral 13787 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13788 if (isEphemeral && !oldIsEphemeral) { 13789 // can't downgrade from full to ephemeral 13790 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13791 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13792 return; 13793 } 13794 13795 // verify signatures are valid 13796 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13797 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13798 if (!checkUpgradeKeySetLP(ps, pkg)) { 13799 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13800 "New package not signed by keys specified by upgrade-keysets: " 13801 + pkgName); 13802 return; 13803 } 13804 } else { 13805 // default to original signature matching 13806 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13807 != PackageManager.SIGNATURE_MATCH) { 13808 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13809 "New package has a different signature: " + pkgName); 13810 return; 13811 } 13812 } 13813 13814 // Check for shared user id changes 13815 String invalidPackageName = 13816 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 13817 if (invalidPackageName != null) { 13818 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13819 "Package " + invalidPackageName + " tried to change user " 13820 + oldPackage.mSharedUserId); 13821 return; 13822 } 13823 13824 // In case of rollback, remember per-user/profile install state 13825 allUsers = sUserManager.getUserIds(); 13826 installedUsers = ps.queryInstalledUsers(allUsers, true); 13827 } 13828 13829 // Update what is removed 13830 res.removedInfo = new PackageRemovedInfo(); 13831 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13832 res.removedInfo.removedPackage = oldPackage.packageName; 13833 res.removedInfo.isUpdate = true; 13834 res.removedInfo.origUsers = installedUsers; 13835 final int childCount = (oldPackage.childPackages != null) 13836 ? oldPackage.childPackages.size() : 0; 13837 for (int i = 0; i < childCount; i++) { 13838 boolean childPackageUpdated = false; 13839 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13840 if (res.addedChildPackages != null) { 13841 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13842 if (childRes != null) { 13843 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13844 childRes.removedInfo.removedPackage = childPkg.packageName; 13845 childRes.removedInfo.isUpdate = true; 13846 childPackageUpdated = true; 13847 } 13848 } 13849 if (!childPackageUpdated) { 13850 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13851 childRemovedRes.removedPackage = childPkg.packageName; 13852 childRemovedRes.isUpdate = false; 13853 childRemovedRes.dataRemoved = true; 13854 synchronized (mPackages) { 13855 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13856 if (childPs != null) { 13857 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13858 } 13859 } 13860 if (res.removedInfo.removedChildPackages == null) { 13861 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13862 } 13863 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13864 } 13865 } 13866 13867 boolean sysPkg = (isSystemApp(oldPackage)); 13868 if (sysPkg) { 13869 // Set the system/privileged flags as needed 13870 final boolean privileged = 13871 (oldPackage.applicationInfo.privateFlags 13872 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13873 final int systemPolicyFlags = policyFlags 13874 | PackageParser.PARSE_IS_SYSTEM 13875 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 13876 13877 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 13878 user, allUsers, installerPackageName, res); 13879 } else { 13880 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 13881 user, allUsers, installerPackageName, res); 13882 } 13883 } 13884 13885 public List<String> getPreviousCodePaths(String packageName) { 13886 final PackageSetting ps = mSettings.mPackages.get(packageName); 13887 final List<String> result = new ArrayList<String>(); 13888 if (ps != null && ps.oldCodePaths != null) { 13889 result.addAll(ps.oldCodePaths); 13890 } 13891 return result; 13892 } 13893 13894 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 13895 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 13896 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13897 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13898 + deletedPackage); 13899 13900 String pkgName = deletedPackage.packageName; 13901 boolean deletedPkg = true; 13902 boolean addedPkg = false; 13903 boolean updatedSettings = false; 13904 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13905 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13906 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13907 13908 final long origUpdateTime = (pkg.mExtras != null) 13909 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13910 13911 // First delete the existing package while retaining the data directory 13912 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 13913 res.removedInfo, true, pkg)) { 13914 // If the existing package wasn't successfully deleted 13915 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13916 deletedPkg = false; 13917 } else { 13918 // Successfully deleted the old package; proceed with replace. 13919 13920 // If deleted package lived in a container, give users a chance to 13921 // relinquish resources before killing. 13922 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13923 if (DEBUG_INSTALL) { 13924 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13925 } 13926 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13927 final ArrayList<String> pkgList = new ArrayList<String>(1); 13928 pkgList.add(deletedPackage.applicationInfo.packageName); 13929 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13930 } 13931 13932 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 13933 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 13934 clearAppProfilesLIF(pkg); 13935 13936 try { 13937 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 13938 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13939 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13940 13941 // Update the in-memory copy of the previous code paths. 13942 PackageSetting ps = mSettings.mPackages.get(pkgName); 13943 if (!killApp) { 13944 if (ps.oldCodePaths == null) { 13945 ps.oldCodePaths = new ArraySet<>(); 13946 } 13947 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13948 if (deletedPackage.splitCodePaths != null) { 13949 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13950 } 13951 } else { 13952 ps.oldCodePaths = null; 13953 } 13954 if (ps.childPackageNames != null) { 13955 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13956 final String childPkgName = ps.childPackageNames.get(i); 13957 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13958 childPs.oldCodePaths = ps.oldCodePaths; 13959 } 13960 } 13961 prepareAppDataAfterInstallLIF(newPackage); 13962 addedPkg = true; 13963 } catch (PackageManagerException e) { 13964 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13965 } 13966 } 13967 13968 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13969 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13970 13971 // Revert all internal state mutations and added folders for the failed install 13972 if (addedPkg) { 13973 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 13974 res.removedInfo, true, null); 13975 } 13976 13977 // Restore the old package 13978 if (deletedPkg) { 13979 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13980 File restoreFile = new File(deletedPackage.codePath); 13981 // Parse old package 13982 boolean oldExternal = isExternal(deletedPackage); 13983 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13984 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13985 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13986 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13987 try { 13988 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13989 null); 13990 } catch (PackageManagerException e) { 13991 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13992 + e.getMessage()); 13993 return; 13994 } 13995 13996 synchronized (mPackages) { 13997 // Ensure the installer package name up to date 13998 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13999 14000 // Update permissions for restored package 14001 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14002 14003 mSettings.writeLPr(); 14004 } 14005 14006 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14007 } 14008 } else { 14009 synchronized (mPackages) { 14010 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14011 if (ps != null) { 14012 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14013 if (res.removedInfo.removedChildPackages != null) { 14014 final int childCount = res.removedInfo.removedChildPackages.size(); 14015 // Iterate in reverse as we may modify the collection 14016 for (int i = childCount - 1; i >= 0; i--) { 14017 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14018 if (res.addedChildPackages.containsKey(childPackageName)) { 14019 res.removedInfo.removedChildPackages.removeAt(i); 14020 } else { 14021 PackageRemovedInfo childInfo = res.removedInfo 14022 .removedChildPackages.valueAt(i); 14023 childInfo.removedForAllUsers = mPackages.get( 14024 childInfo.removedPackage) == null; 14025 } 14026 } 14027 } 14028 } 14029 } 14030 } 14031 } 14032 14033 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14034 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14035 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14036 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14037 + ", old=" + deletedPackage); 14038 14039 final boolean disabledSystem; 14040 14041 // Remove existing system package 14042 removePackageLI(deletedPackage, true); 14043 14044 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14045 if (!disabledSystem) { 14046 // We didn't need to disable the .apk as a current system package, 14047 // which means we are replacing another update that is already 14048 // installed. We need to make sure to delete the older one's .apk. 14049 res.removedInfo.args = createInstallArgsForExisting(0, 14050 deletedPackage.applicationInfo.getCodePath(), 14051 deletedPackage.applicationInfo.getResourcePath(), 14052 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14053 } else { 14054 res.removedInfo.args = null; 14055 } 14056 14057 // Successfully disabled the old package. Now proceed with re-installation 14058 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14059 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14060 clearAppProfilesLIF(pkg); 14061 14062 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14063 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14064 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14065 14066 PackageParser.Package newPackage = null; 14067 try { 14068 // Add the package to the internal data structures 14069 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14070 14071 // Set the update and install times 14072 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14073 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14074 System.currentTimeMillis()); 14075 14076 // Update the package dynamic state if succeeded 14077 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14078 // Now that the install succeeded make sure we remove data 14079 // directories for any child package the update removed. 14080 final int deletedChildCount = (deletedPackage.childPackages != null) 14081 ? deletedPackage.childPackages.size() : 0; 14082 final int newChildCount = (newPackage.childPackages != null) 14083 ? newPackage.childPackages.size() : 0; 14084 for (int i = 0; i < deletedChildCount; i++) { 14085 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14086 boolean childPackageDeleted = true; 14087 for (int j = 0; j < newChildCount; j++) { 14088 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14089 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14090 childPackageDeleted = false; 14091 break; 14092 } 14093 } 14094 if (childPackageDeleted) { 14095 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14096 deletedChildPkg.packageName); 14097 if (ps != null && res.removedInfo.removedChildPackages != null) { 14098 PackageRemovedInfo removedChildRes = res.removedInfo 14099 .removedChildPackages.get(deletedChildPkg.packageName); 14100 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14101 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14102 } 14103 } 14104 } 14105 14106 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14107 prepareAppDataAfterInstallLIF(newPackage); 14108 } 14109 } catch (PackageManagerException e) { 14110 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14111 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14112 } 14113 14114 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14115 // Re installation failed. Restore old information 14116 // Remove new pkg information 14117 if (newPackage != null) { 14118 removeInstalledPackageLI(newPackage, true); 14119 } 14120 // Add back the old system package 14121 try { 14122 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14123 } catch (PackageManagerException e) { 14124 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14125 } 14126 14127 synchronized (mPackages) { 14128 if (disabledSystem) { 14129 enableSystemPackageLPw(deletedPackage); 14130 } 14131 14132 // Ensure the installer package name up to date 14133 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14134 14135 // Update permissions for restored package 14136 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14137 14138 mSettings.writeLPr(); 14139 } 14140 14141 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14142 + " after failed upgrade"); 14143 } 14144 } 14145 14146 /** 14147 * Checks whether the parent or any of the child packages have a change shared 14148 * user. For a package to be a valid update the shred users of the parent and 14149 * the children should match. We may later support changing child shared users. 14150 * @param oldPkg The updated package. 14151 * @param newPkg The update package. 14152 * @return The shared user that change between the versions. 14153 */ 14154 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14155 PackageParser.Package newPkg) { 14156 // Check parent shared user 14157 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14158 return newPkg.packageName; 14159 } 14160 // Check child shared users 14161 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14162 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14163 for (int i = 0; i < newChildCount; i++) { 14164 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14165 // If this child was present, did it have the same shared user? 14166 for (int j = 0; j < oldChildCount; j++) { 14167 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14168 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14169 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14170 return newChildPkg.packageName; 14171 } 14172 } 14173 } 14174 return null; 14175 } 14176 14177 private void removeNativeBinariesLI(PackageSetting ps) { 14178 // Remove the lib path for the parent package 14179 if (ps != null) { 14180 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14181 // Remove the lib path for the child packages 14182 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14183 for (int i = 0; i < childCount; i++) { 14184 PackageSetting childPs = null; 14185 synchronized (mPackages) { 14186 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14187 } 14188 if (childPs != null) { 14189 NativeLibraryHelper.removeNativeBinariesLI(childPs 14190 .legacyNativeLibraryPathString); 14191 } 14192 } 14193 } 14194 } 14195 14196 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14197 // Enable the parent package 14198 mSettings.enableSystemPackageLPw(pkg.packageName); 14199 // Enable the child packages 14200 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14201 for (int i = 0; i < childCount; i++) { 14202 PackageParser.Package childPkg = pkg.childPackages.get(i); 14203 mSettings.enableSystemPackageLPw(childPkg.packageName); 14204 } 14205 } 14206 14207 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14208 PackageParser.Package newPkg) { 14209 // Disable the parent package (parent always replaced) 14210 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14211 // Disable the child packages 14212 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14213 for (int i = 0; i < childCount; i++) { 14214 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14215 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14216 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14217 } 14218 return disabled; 14219 } 14220 14221 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14222 String installerPackageName) { 14223 // Enable the parent package 14224 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14225 // Enable the child packages 14226 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14227 for (int i = 0; i < childCount; i++) { 14228 PackageParser.Package childPkg = pkg.childPackages.get(i); 14229 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14230 } 14231 } 14232 14233 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14234 // Collect all used permissions in the UID 14235 ArraySet<String> usedPermissions = new ArraySet<>(); 14236 final int packageCount = su.packages.size(); 14237 for (int i = 0; i < packageCount; i++) { 14238 PackageSetting ps = su.packages.valueAt(i); 14239 if (ps.pkg == null) { 14240 continue; 14241 } 14242 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14243 for (int j = 0; j < requestedPermCount; j++) { 14244 String permission = ps.pkg.requestedPermissions.get(j); 14245 BasePermission bp = mSettings.mPermissions.get(permission); 14246 if (bp != null) { 14247 usedPermissions.add(permission); 14248 } 14249 } 14250 } 14251 14252 PermissionsState permissionsState = su.getPermissionsState(); 14253 // Prune install permissions 14254 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14255 final int installPermCount = installPermStates.size(); 14256 for (int i = installPermCount - 1; i >= 0; i--) { 14257 PermissionState permissionState = installPermStates.get(i); 14258 if (!usedPermissions.contains(permissionState.getName())) { 14259 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14260 if (bp != null) { 14261 permissionsState.revokeInstallPermission(bp); 14262 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14263 PackageManager.MASK_PERMISSION_FLAGS, 0); 14264 } 14265 } 14266 } 14267 14268 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14269 14270 // Prune runtime permissions 14271 for (int userId : allUserIds) { 14272 List<PermissionState> runtimePermStates = permissionsState 14273 .getRuntimePermissionStates(userId); 14274 final int runtimePermCount = runtimePermStates.size(); 14275 for (int i = runtimePermCount - 1; i >= 0; i--) { 14276 PermissionState permissionState = runtimePermStates.get(i); 14277 if (!usedPermissions.contains(permissionState.getName())) { 14278 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14279 if (bp != null) { 14280 permissionsState.revokeRuntimePermission(bp, userId); 14281 permissionsState.updatePermissionFlags(bp, userId, 14282 PackageManager.MASK_PERMISSION_FLAGS, 0); 14283 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14284 runtimePermissionChangedUserIds, userId); 14285 } 14286 } 14287 } 14288 } 14289 14290 return runtimePermissionChangedUserIds; 14291 } 14292 14293 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14294 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14295 // Update the parent package setting 14296 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14297 res, user); 14298 // Update the child packages setting 14299 final int childCount = (newPackage.childPackages != null) 14300 ? newPackage.childPackages.size() : 0; 14301 for (int i = 0; i < childCount; i++) { 14302 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14303 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14304 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14305 childRes.origUsers, childRes, user); 14306 } 14307 } 14308 14309 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14310 String installerPackageName, int[] allUsers, int[] installedForUsers, 14311 PackageInstalledInfo res, UserHandle user) { 14312 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14313 14314 String pkgName = newPackage.packageName; 14315 synchronized (mPackages) { 14316 //write settings. the installStatus will be incomplete at this stage. 14317 //note that the new package setting would have already been 14318 //added to mPackages. It hasn't been persisted yet. 14319 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14320 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14321 mSettings.writeLPr(); 14322 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14323 } 14324 14325 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14326 synchronized (mPackages) { 14327 updatePermissionsLPw(newPackage.packageName, newPackage, 14328 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14329 ? UPDATE_PERMISSIONS_ALL : 0)); 14330 // For system-bundled packages, we assume that installing an upgraded version 14331 // of the package implies that the user actually wants to run that new code, 14332 // so we enable the package. 14333 PackageSetting ps = mSettings.mPackages.get(pkgName); 14334 final int userId = user.getIdentifier(); 14335 if (ps != null) { 14336 if (isSystemApp(newPackage)) { 14337 if (DEBUG_INSTALL) { 14338 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14339 } 14340 // Enable system package for requested users 14341 if (res.origUsers != null) { 14342 for (int origUserId : res.origUsers) { 14343 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14344 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14345 origUserId, installerPackageName); 14346 } 14347 } 14348 } 14349 // Also convey the prior install/uninstall state 14350 if (allUsers != null && installedForUsers != null) { 14351 for (int currentUserId : allUsers) { 14352 final boolean installed = ArrayUtils.contains( 14353 installedForUsers, currentUserId); 14354 if (DEBUG_INSTALL) { 14355 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14356 } 14357 ps.setInstalled(installed, currentUserId); 14358 } 14359 // these install state changes will be persisted in the 14360 // upcoming call to mSettings.writeLPr(). 14361 } 14362 } 14363 // It's implied that when a user requests installation, they want the app to be 14364 // installed and enabled. 14365 if (userId != UserHandle.USER_ALL) { 14366 ps.setInstalled(true, userId); 14367 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14368 } 14369 } 14370 res.name = pkgName; 14371 res.uid = newPackage.applicationInfo.uid; 14372 res.pkg = newPackage; 14373 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14374 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14375 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14376 //to update install status 14377 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14378 mSettings.writeLPr(); 14379 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14380 } 14381 14382 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14383 } 14384 14385 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14386 try { 14387 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14388 installPackageLI(args, res); 14389 } finally { 14390 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14391 } 14392 } 14393 14394 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14395 final int installFlags = args.installFlags; 14396 final String installerPackageName = args.installerPackageName; 14397 final String volumeUuid = args.volumeUuid; 14398 final File tmpPackageFile = new File(args.getCodePath()); 14399 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14400 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14401 || (args.volumeUuid != null)); 14402 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14403 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14404 boolean replace = false; 14405 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14406 if (args.move != null) { 14407 // moving a complete application; perform an initial scan on the new install location 14408 scanFlags |= SCAN_INITIAL; 14409 } 14410 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14411 scanFlags |= SCAN_DONT_KILL_APP; 14412 } 14413 14414 // Result object to be returned 14415 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14416 14417 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14418 14419 // Sanity check 14420 if (ephemeral && (forwardLocked || onExternal)) { 14421 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14422 + " external=" + onExternal); 14423 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14424 return; 14425 } 14426 14427 // Retrieve PackageSettings and parse package 14428 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14429 | PackageParser.PARSE_ENFORCE_CODE 14430 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14431 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14432 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14433 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14434 PackageParser pp = new PackageParser(); 14435 pp.setSeparateProcesses(mSeparateProcesses); 14436 pp.setDisplayMetrics(mMetrics); 14437 14438 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14439 final PackageParser.Package pkg; 14440 try { 14441 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14442 } catch (PackageParserException e) { 14443 res.setError("Failed parse during installPackageLI", e); 14444 return; 14445 } finally { 14446 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14447 } 14448 14449 // If we are installing a clustered package add results for the children 14450 if (pkg.childPackages != null) { 14451 synchronized (mPackages) { 14452 final int childCount = pkg.childPackages.size(); 14453 for (int i = 0; i < childCount; i++) { 14454 PackageParser.Package childPkg = pkg.childPackages.get(i); 14455 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14456 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14457 childRes.pkg = childPkg; 14458 childRes.name = childPkg.packageName; 14459 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14460 if (childPs != null) { 14461 childRes.origUsers = childPs.queryInstalledUsers( 14462 sUserManager.getUserIds(), true); 14463 } 14464 if ((mPackages.containsKey(childPkg.packageName))) { 14465 childRes.removedInfo = new PackageRemovedInfo(); 14466 childRes.removedInfo.removedPackage = childPkg.packageName; 14467 } 14468 if (res.addedChildPackages == null) { 14469 res.addedChildPackages = new ArrayMap<>(); 14470 } 14471 res.addedChildPackages.put(childPkg.packageName, childRes); 14472 } 14473 } 14474 } 14475 14476 // If package doesn't declare API override, mark that we have an install 14477 // time CPU ABI override. 14478 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14479 pkg.cpuAbiOverride = args.abiOverride; 14480 } 14481 14482 String pkgName = res.name = pkg.packageName; 14483 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14484 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14485 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14486 return; 14487 } 14488 } 14489 14490 try { 14491 // either use what we've been given or parse directly from the APK 14492 if (args.certificates != null) { 14493 try { 14494 PackageParser.populateCertificates(pkg, args.certificates); 14495 } catch (PackageParserException e) { 14496 // there was something wrong with the certificates we were given; 14497 // try to pull them from the APK 14498 PackageParser.collectCertificates(pkg, parseFlags); 14499 } 14500 } else { 14501 PackageParser.collectCertificates(pkg, parseFlags); 14502 } 14503 } catch (PackageParserException e) { 14504 res.setError("Failed collect during installPackageLI", e); 14505 return; 14506 } 14507 14508 // Get rid of all references to package scan path via parser. 14509 pp = null; 14510 String oldCodePath = null; 14511 boolean systemApp = false; 14512 synchronized (mPackages) { 14513 // Check if installing already existing package 14514 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14515 String oldName = mSettings.mRenamedPackages.get(pkgName); 14516 if (pkg.mOriginalPackages != null 14517 && pkg.mOriginalPackages.contains(oldName) 14518 && mPackages.containsKey(oldName)) { 14519 // This package is derived from an original package, 14520 // and this device has been updating from that original 14521 // name. We must continue using the original name, so 14522 // rename the new package here. 14523 pkg.setPackageName(oldName); 14524 pkgName = pkg.packageName; 14525 replace = true; 14526 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14527 + oldName + " pkgName=" + pkgName); 14528 } else if (mPackages.containsKey(pkgName)) { 14529 // This package, under its official name, already exists 14530 // on the device; we should replace it. 14531 replace = true; 14532 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14533 } 14534 14535 // Child packages are installed through the parent package 14536 if (pkg.parentPackage != null) { 14537 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14538 "Package " + pkg.packageName + " is child of package " 14539 + pkg.parentPackage.parentPackage + ". Child packages " 14540 + "can be updated only through the parent package."); 14541 return; 14542 } 14543 14544 if (replace) { 14545 // Prevent apps opting out from runtime permissions 14546 PackageParser.Package oldPackage = mPackages.get(pkgName); 14547 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14548 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14549 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14550 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14551 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14552 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14553 + " doesn't support runtime permissions but the old" 14554 + " target SDK " + oldTargetSdk + " does."); 14555 return; 14556 } 14557 14558 // Prevent installing of child packages 14559 if (oldPackage.parentPackage != null) { 14560 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14561 "Package " + pkg.packageName + " is child of package " 14562 + oldPackage.parentPackage + ". Child packages " 14563 + "can be updated only through the parent package."); 14564 return; 14565 } 14566 } 14567 } 14568 14569 PackageSetting ps = mSettings.mPackages.get(pkgName); 14570 if (ps != null) { 14571 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14572 14573 // Quick sanity check that we're signed correctly if updating; 14574 // we'll check this again later when scanning, but we want to 14575 // bail early here before tripping over redefined permissions. 14576 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14577 if (!checkUpgradeKeySetLP(ps, pkg)) { 14578 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14579 + pkg.packageName + " upgrade keys do not match the " 14580 + "previously installed version"); 14581 return; 14582 } 14583 } else { 14584 try { 14585 verifySignaturesLP(ps, pkg); 14586 } catch (PackageManagerException e) { 14587 res.setError(e.error, e.getMessage()); 14588 return; 14589 } 14590 } 14591 14592 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14593 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14594 systemApp = (ps.pkg.applicationInfo.flags & 14595 ApplicationInfo.FLAG_SYSTEM) != 0; 14596 } 14597 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14598 } 14599 14600 // Check whether the newly-scanned package wants to define an already-defined perm 14601 int N = pkg.permissions.size(); 14602 for (int i = N-1; i >= 0; i--) { 14603 PackageParser.Permission perm = pkg.permissions.get(i); 14604 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14605 if (bp != null) { 14606 // If the defining package is signed with our cert, it's okay. This 14607 // also includes the "updating the same package" case, of course. 14608 // "updating same package" could also involve key-rotation. 14609 final boolean sigsOk; 14610 if (bp.sourcePackage.equals(pkg.packageName) 14611 && (bp.packageSetting instanceof PackageSetting) 14612 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14613 scanFlags))) { 14614 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14615 } else { 14616 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14617 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14618 } 14619 if (!sigsOk) { 14620 // If the owning package is the system itself, we log but allow 14621 // install to proceed; we fail the install on all other permission 14622 // redefinitions. 14623 if (!bp.sourcePackage.equals("android")) { 14624 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14625 + pkg.packageName + " attempting to redeclare permission " 14626 + perm.info.name + " already owned by " + bp.sourcePackage); 14627 res.origPermission = perm.info.name; 14628 res.origPackage = bp.sourcePackage; 14629 return; 14630 } else { 14631 Slog.w(TAG, "Package " + pkg.packageName 14632 + " attempting to redeclare system permission " 14633 + perm.info.name + "; ignoring new declaration"); 14634 pkg.permissions.remove(i); 14635 } 14636 } 14637 } 14638 } 14639 } 14640 14641 if (systemApp) { 14642 if (onExternal) { 14643 // Abort update; system app can't be replaced with app on sdcard 14644 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14645 "Cannot install updates to system apps on sdcard"); 14646 return; 14647 } else if (ephemeral) { 14648 // Abort update; system app can't be replaced with an ephemeral app 14649 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14650 "Cannot update a system app with an ephemeral app"); 14651 return; 14652 } 14653 } 14654 14655 if (args.move != null) { 14656 // We did an in-place move, so dex is ready to roll 14657 scanFlags |= SCAN_NO_DEX; 14658 scanFlags |= SCAN_MOVE; 14659 14660 synchronized (mPackages) { 14661 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14662 if (ps == null) { 14663 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14664 "Missing settings for moved package " + pkgName); 14665 } 14666 14667 // We moved the entire application as-is, so bring over the 14668 // previously derived ABI information. 14669 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14670 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14671 } 14672 14673 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14674 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14675 scanFlags |= SCAN_NO_DEX; 14676 14677 try { 14678 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14679 args.abiOverride : pkg.cpuAbiOverride); 14680 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14681 true /* extract libs */); 14682 } catch (PackageManagerException pme) { 14683 Slog.e(TAG, "Error deriving application ABI", pme); 14684 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14685 return; 14686 } 14687 14688 // Shared libraries for the package need to be updated. 14689 synchronized (mPackages) { 14690 try { 14691 updateSharedLibrariesLPw(pkg, null); 14692 } catch (PackageManagerException e) { 14693 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 14694 } 14695 } 14696 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14697 // Do not run PackageDexOptimizer through the local performDexOpt 14698 // method because `pkg` is not in `mPackages` yet. 14699 int result = mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 14700 null /* instructionSets */, false /* checkProfiles */, 14701 getCompilerFilterForReason(REASON_INSTALL)); 14702 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14703 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14704 String msg = "Extracting package failed for " + pkgName; 14705 res.setError(INSTALL_FAILED_DEXOPT, msg); 14706 return; 14707 } 14708 14709 // Notify BackgroundDexOptService that the package has been changed. 14710 // If this is an update of a package which used to fail to compile, 14711 // BDOS will remove it from its blacklist. 14712 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 14713 } 14714 14715 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14716 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14717 return; 14718 } 14719 14720 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14721 14722 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 14723 "installPackageLI")) { 14724 if (replace) { 14725 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14726 installerPackageName, res); 14727 } else { 14728 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14729 args.user, installerPackageName, volumeUuid, res); 14730 } 14731 } 14732 synchronized (mPackages) { 14733 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14734 if (ps != null) { 14735 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14736 } 14737 14738 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14739 for (int i = 0; i < childCount; i++) { 14740 PackageParser.Package childPkg = pkg.childPackages.get(i); 14741 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14742 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14743 if (childPs != null) { 14744 childRes.newUsers = childPs.queryInstalledUsers( 14745 sUserManager.getUserIds(), true); 14746 } 14747 } 14748 } 14749 } 14750 14751 private void startIntentFilterVerifications(int userId, boolean replacing, 14752 PackageParser.Package pkg) { 14753 if (mIntentFilterVerifierComponent == null) { 14754 Slog.w(TAG, "No IntentFilter verification will not be done as " 14755 + "there is no IntentFilterVerifier available!"); 14756 return; 14757 } 14758 14759 final int verifierUid = getPackageUid( 14760 mIntentFilterVerifierComponent.getPackageName(), 14761 MATCH_DEBUG_TRIAGED_MISSING, 14762 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14763 14764 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14765 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14766 mHandler.sendMessage(msg); 14767 14768 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14769 for (int i = 0; i < childCount; i++) { 14770 PackageParser.Package childPkg = pkg.childPackages.get(i); 14771 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14772 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14773 mHandler.sendMessage(msg); 14774 } 14775 } 14776 14777 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14778 PackageParser.Package pkg) { 14779 int size = pkg.activities.size(); 14780 if (size == 0) { 14781 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14782 "No activity, so no need to verify any IntentFilter!"); 14783 return; 14784 } 14785 14786 final boolean hasDomainURLs = hasDomainURLs(pkg); 14787 if (!hasDomainURLs) { 14788 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14789 "No domain URLs, so no need to verify any IntentFilter!"); 14790 return; 14791 } 14792 14793 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14794 + " if any IntentFilter from the " + size 14795 + " Activities needs verification ..."); 14796 14797 int count = 0; 14798 final String packageName = pkg.packageName; 14799 14800 synchronized (mPackages) { 14801 // If this is a new install and we see that we've already run verification for this 14802 // package, we have nothing to do: it means the state was restored from backup. 14803 if (!replacing) { 14804 IntentFilterVerificationInfo ivi = 14805 mSettings.getIntentFilterVerificationLPr(packageName); 14806 if (ivi != null) { 14807 if (DEBUG_DOMAIN_VERIFICATION) { 14808 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14809 + ivi.getStatusString()); 14810 } 14811 return; 14812 } 14813 } 14814 14815 // If any filters need to be verified, then all need to be. 14816 boolean needToVerify = false; 14817 for (PackageParser.Activity a : pkg.activities) { 14818 for (ActivityIntentInfo filter : a.intents) { 14819 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14820 if (DEBUG_DOMAIN_VERIFICATION) { 14821 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14822 } 14823 needToVerify = true; 14824 break; 14825 } 14826 } 14827 } 14828 14829 if (needToVerify) { 14830 final int verificationId = mIntentFilterVerificationToken++; 14831 for (PackageParser.Activity a : pkg.activities) { 14832 for (ActivityIntentInfo filter : a.intents) { 14833 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14834 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14835 "Verification needed for IntentFilter:" + filter.toString()); 14836 mIntentFilterVerifier.addOneIntentFilterVerification( 14837 verifierUid, userId, verificationId, filter, packageName); 14838 count++; 14839 } 14840 } 14841 } 14842 } 14843 } 14844 14845 if (count > 0) { 14846 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14847 + " IntentFilter verification" + (count > 1 ? "s" : "") 14848 + " for userId:" + userId); 14849 mIntentFilterVerifier.startVerifications(userId); 14850 } else { 14851 if (DEBUG_DOMAIN_VERIFICATION) { 14852 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14853 } 14854 } 14855 } 14856 14857 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14858 final ComponentName cn = filter.activity.getComponentName(); 14859 final String packageName = cn.getPackageName(); 14860 14861 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14862 packageName); 14863 if (ivi == null) { 14864 return true; 14865 } 14866 int status = ivi.getStatus(); 14867 switch (status) { 14868 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14869 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14870 return true; 14871 14872 default: 14873 // Nothing to do 14874 return false; 14875 } 14876 } 14877 14878 private static boolean isMultiArch(ApplicationInfo info) { 14879 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14880 } 14881 14882 private static boolean isExternal(PackageParser.Package pkg) { 14883 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14884 } 14885 14886 private static boolean isExternal(PackageSetting ps) { 14887 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14888 } 14889 14890 private static boolean isEphemeral(PackageParser.Package pkg) { 14891 return pkg.applicationInfo.isEphemeralApp(); 14892 } 14893 14894 private static boolean isEphemeral(PackageSetting ps) { 14895 return ps.pkg != null && isEphemeral(ps.pkg); 14896 } 14897 14898 private static boolean isSystemApp(PackageParser.Package pkg) { 14899 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14900 } 14901 14902 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14903 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14904 } 14905 14906 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14907 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14908 } 14909 14910 private static boolean isSystemApp(PackageSetting ps) { 14911 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14912 } 14913 14914 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14915 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14916 } 14917 14918 private int packageFlagsToInstallFlags(PackageSetting ps) { 14919 int installFlags = 0; 14920 if (isEphemeral(ps)) { 14921 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14922 } 14923 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14924 // This existing package was an external ASEC install when we have 14925 // the external flag without a UUID 14926 installFlags |= PackageManager.INSTALL_EXTERNAL; 14927 } 14928 if (ps.isForwardLocked()) { 14929 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14930 } 14931 return installFlags; 14932 } 14933 14934 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14935 if (isExternal(pkg)) { 14936 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14937 return StorageManager.UUID_PRIMARY_PHYSICAL; 14938 } else { 14939 return pkg.volumeUuid; 14940 } 14941 } else { 14942 return StorageManager.UUID_PRIVATE_INTERNAL; 14943 } 14944 } 14945 14946 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14947 if (isExternal(pkg)) { 14948 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14949 return mSettings.getExternalVersion(); 14950 } else { 14951 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14952 } 14953 } else { 14954 return mSettings.getInternalVersion(); 14955 } 14956 } 14957 14958 private void deleteTempPackageFiles() { 14959 final FilenameFilter filter = new FilenameFilter() { 14960 public boolean accept(File dir, String name) { 14961 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14962 } 14963 }; 14964 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14965 file.delete(); 14966 } 14967 } 14968 14969 @Override 14970 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14971 int flags) { 14972 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14973 flags); 14974 } 14975 14976 @Override 14977 public void deletePackage(final String packageName, 14978 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 14979 mContext.enforceCallingOrSelfPermission( 14980 android.Manifest.permission.DELETE_PACKAGES, null); 14981 Preconditions.checkNotNull(packageName); 14982 Preconditions.checkNotNull(observer); 14983 final int uid = Binder.getCallingUid(); 14984 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 14985 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14986 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14987 mContext.enforceCallingOrSelfPermission( 14988 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14989 "deletePackage for user " + userId); 14990 } 14991 14992 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14993 try { 14994 observer.onPackageDeleted(packageName, 14995 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14996 } catch (RemoteException re) { 14997 } 14998 return; 14999 } 15000 15001 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15002 try { 15003 observer.onPackageDeleted(packageName, 15004 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15005 } catch (RemoteException re) { 15006 } 15007 return; 15008 } 15009 15010 if (DEBUG_REMOVE) { 15011 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15012 + " deleteAllUsers: " + deleteAllUsers ); 15013 } 15014 // Queue up an async operation since the package deletion may take a little while. 15015 mHandler.post(new Runnable() { 15016 public void run() { 15017 mHandler.removeCallbacks(this); 15018 int returnCode; 15019 if (!deleteAllUsers) { 15020 returnCode = deletePackageX(packageName, userId, deleteFlags); 15021 } else { 15022 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15023 // If nobody is blocking uninstall, proceed with delete for all users 15024 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15025 returnCode = deletePackageX(packageName, userId, deleteFlags); 15026 } else { 15027 // Otherwise uninstall individually for users with blockUninstalls=false 15028 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15029 for (int userId : users) { 15030 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15031 returnCode = deletePackageX(packageName, userId, userFlags); 15032 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15033 Slog.w(TAG, "Package delete failed for user " + userId 15034 + ", returnCode " + returnCode); 15035 } 15036 } 15037 } 15038 // The app has only been marked uninstalled for certain users. 15039 // We still need to report that delete was blocked 15040 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15041 } 15042 } 15043 try { 15044 observer.onPackageDeleted(packageName, returnCode, null); 15045 } catch (RemoteException e) { 15046 Log.i(TAG, "Observer no longer exists."); 15047 } //end catch 15048 } //end run 15049 }); 15050 } 15051 15052 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15053 int[] result = EMPTY_INT_ARRAY; 15054 for (int userId : userIds) { 15055 if (getBlockUninstallForUser(packageName, userId)) { 15056 result = ArrayUtils.appendInt(result, userId); 15057 } 15058 } 15059 return result; 15060 } 15061 15062 @Override 15063 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15064 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15065 } 15066 15067 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15068 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15069 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15070 try { 15071 if (dpm != null) { 15072 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15073 /* callingUserOnly =*/ false); 15074 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15075 : deviceOwnerComponentName.getPackageName(); 15076 // Does the package contains the device owner? 15077 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15078 // this check is probably not needed, since DO should be registered as a device 15079 // admin on some user too. (Original bug for this: b/17657954) 15080 if (packageName.equals(deviceOwnerPackageName)) { 15081 return true; 15082 } 15083 // Does it contain a device admin for any user? 15084 int[] users; 15085 if (userId == UserHandle.USER_ALL) { 15086 users = sUserManager.getUserIds(); 15087 } else { 15088 users = new int[]{userId}; 15089 } 15090 for (int i = 0; i < users.length; ++i) { 15091 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15092 return true; 15093 } 15094 } 15095 } 15096 } catch (RemoteException e) { 15097 } 15098 return false; 15099 } 15100 15101 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15102 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15103 } 15104 15105 /** 15106 * This method is an internal method that could be get invoked either 15107 * to delete an installed package or to clean up a failed installation. 15108 * After deleting an installed package, a broadcast is sent to notify any 15109 * listeners that the package has been removed. For cleaning up a failed 15110 * installation, the broadcast is not necessary since the package's 15111 * installation wouldn't have sent the initial broadcast either 15112 * The key steps in deleting a package are 15113 * deleting the package information in internal structures like mPackages, 15114 * deleting the packages base directories through installd 15115 * updating mSettings to reflect current status 15116 * persisting settings for later use 15117 * sending a broadcast if necessary 15118 */ 15119 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15120 final PackageRemovedInfo info = new PackageRemovedInfo(); 15121 final boolean res; 15122 15123 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15124 ? UserHandle.ALL : new UserHandle(userId); 15125 15126 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15127 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15128 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15129 } 15130 15131 PackageSetting uninstalledPs = null; 15132 15133 // for the uninstall-updates case and restricted profiles, remember the per- 15134 // user handle installed state 15135 int[] allUsers; 15136 synchronized (mPackages) { 15137 uninstalledPs = mSettings.mPackages.get(packageName); 15138 if (uninstalledPs == null) { 15139 Slog.w(TAG, "Not removing non-existent package " + packageName); 15140 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15141 } 15142 allUsers = sUserManager.getUserIds(); 15143 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15144 } 15145 15146 synchronized (mInstallLock) { 15147 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15148 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15149 "deletePackageX")) { 15150 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15151 deleteFlags | REMOVE_CHATTY, info, true, null); 15152 } 15153 synchronized (mPackages) { 15154 if (res) { 15155 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15156 } 15157 } 15158 } 15159 15160 if (res) { 15161 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15162 info.sendPackageRemovedBroadcasts(killApp); 15163 info.sendSystemPackageUpdatedBroadcasts(); 15164 info.sendSystemPackageAppearedBroadcasts(); 15165 } 15166 // Force a gc here. 15167 Runtime.getRuntime().gc(); 15168 // Delete the resources here after sending the broadcast to let 15169 // other processes clean up before deleting resources. 15170 if (info.args != null) { 15171 synchronized (mInstallLock) { 15172 info.args.doPostDeleteLI(true); 15173 } 15174 } 15175 15176 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15177 } 15178 15179 class PackageRemovedInfo { 15180 String removedPackage; 15181 int uid = -1; 15182 int removedAppId = -1; 15183 int[] origUsers; 15184 int[] removedUsers = null; 15185 boolean isRemovedPackageSystemUpdate = false; 15186 boolean isUpdate; 15187 boolean dataRemoved; 15188 boolean removedForAllUsers; 15189 // Clean up resources deleted packages. 15190 InstallArgs args = null; 15191 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15192 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15193 15194 void sendPackageRemovedBroadcasts(boolean killApp) { 15195 sendPackageRemovedBroadcastInternal(killApp); 15196 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15197 for (int i = 0; i < childCount; i++) { 15198 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15199 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15200 } 15201 } 15202 15203 void sendSystemPackageUpdatedBroadcasts() { 15204 if (isRemovedPackageSystemUpdate) { 15205 sendSystemPackageUpdatedBroadcastsInternal(); 15206 final int childCount = (removedChildPackages != null) 15207 ? removedChildPackages.size() : 0; 15208 for (int i = 0; i < childCount; i++) { 15209 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15210 if (childInfo.isRemovedPackageSystemUpdate) { 15211 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15212 } 15213 } 15214 } 15215 } 15216 15217 void sendSystemPackageAppearedBroadcasts() { 15218 final int packageCount = (appearedChildPackages != null) 15219 ? appearedChildPackages.size() : 0; 15220 for (int i = 0; i < packageCount; i++) { 15221 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15222 for (int userId : installedInfo.newUsers) { 15223 sendPackageAddedForUser(installedInfo.name, true, 15224 UserHandle.getAppId(installedInfo.uid), userId); 15225 } 15226 } 15227 } 15228 15229 private void sendSystemPackageUpdatedBroadcastsInternal() { 15230 Bundle extras = new Bundle(2); 15231 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15232 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15233 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15234 extras, 0, null, null, null); 15235 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15236 extras, 0, null, null, null); 15237 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15238 null, 0, removedPackage, null, null); 15239 } 15240 15241 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15242 Bundle extras = new Bundle(2); 15243 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15244 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15245 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15246 if (isUpdate || isRemovedPackageSystemUpdate) { 15247 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15248 } 15249 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15250 if (removedPackage != null) { 15251 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15252 extras, 0, null, null, removedUsers); 15253 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15254 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15255 removedPackage, extras, 0, null, null, removedUsers); 15256 } 15257 } 15258 if (removedAppId >= 0) { 15259 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15260 removedUsers); 15261 } 15262 } 15263 } 15264 15265 /* 15266 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15267 * flag is not set, the data directory is removed as well. 15268 * make sure this flag is set for partially installed apps. If not its meaningless to 15269 * delete a partially installed application. 15270 */ 15271 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15272 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15273 String packageName = ps.name; 15274 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15275 // Retrieve object to delete permissions for shared user later on 15276 final PackageParser.Package deletedPkg; 15277 final PackageSetting deletedPs; 15278 // reader 15279 synchronized (mPackages) { 15280 deletedPkg = mPackages.get(packageName); 15281 deletedPs = mSettings.mPackages.get(packageName); 15282 if (outInfo != null) { 15283 outInfo.removedPackage = packageName; 15284 outInfo.removedUsers = deletedPs != null 15285 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15286 : null; 15287 } 15288 } 15289 15290 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15291 15292 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15293 destroyAppDataLIF(deletedPkg, UserHandle.USER_ALL, 15294 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15295 destroyAppProfilesLIF(deletedPkg); 15296 if (outInfo != null) { 15297 outInfo.dataRemoved = true; 15298 } 15299 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15300 } 15301 15302 // writer 15303 synchronized (mPackages) { 15304 if (deletedPs != null) { 15305 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15306 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15307 clearDefaultBrowserIfNeeded(packageName); 15308 if (outInfo != null) { 15309 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15310 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15311 } 15312 updatePermissionsLPw(deletedPs.name, null, 0); 15313 if (deletedPs.sharedUser != null) { 15314 // Remove permissions associated with package. Since runtime 15315 // permissions are per user we have to kill the removed package 15316 // or packages running under the shared user of the removed 15317 // package if revoking the permissions requested only by the removed 15318 // package is successful and this causes a change in gids. 15319 for (int userId : UserManagerService.getInstance().getUserIds()) { 15320 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15321 userId); 15322 if (userIdToKill == UserHandle.USER_ALL 15323 || userIdToKill >= UserHandle.USER_SYSTEM) { 15324 // If gids changed for this user, kill all affected packages. 15325 mHandler.post(new Runnable() { 15326 @Override 15327 public void run() { 15328 // This has to happen with no lock held. 15329 killApplication(deletedPs.name, deletedPs.appId, 15330 KILL_APP_REASON_GIDS_CHANGED); 15331 } 15332 }); 15333 break; 15334 } 15335 } 15336 } 15337 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15338 } 15339 // make sure to preserve per-user disabled state if this removal was just 15340 // a downgrade of a system app to the factory package 15341 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15342 if (DEBUG_REMOVE) { 15343 Slog.d(TAG, "Propagating install state across downgrade"); 15344 } 15345 for (int userId : allUserHandles) { 15346 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15347 if (DEBUG_REMOVE) { 15348 Slog.d(TAG, " user " + userId + " => " + installed); 15349 } 15350 ps.setInstalled(installed, userId); 15351 } 15352 } 15353 } 15354 // can downgrade to reader 15355 if (writeSettings) { 15356 // Save settings now 15357 mSettings.writeLPr(); 15358 } 15359 } 15360 if (outInfo != null) { 15361 // A user ID was deleted here. Go through all users and remove it 15362 // from KeyStore. 15363 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15364 } 15365 } 15366 15367 static boolean locationIsPrivileged(File path) { 15368 try { 15369 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15370 .getCanonicalPath(); 15371 return path.getCanonicalPath().startsWith(privilegedAppDir); 15372 } catch (IOException e) { 15373 Slog.e(TAG, "Unable to access code path " + path); 15374 } 15375 return false; 15376 } 15377 15378 /* 15379 * Tries to delete system package. 15380 */ 15381 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15382 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15383 boolean writeSettings) { 15384 if (deletedPs.parentPackageName != null) { 15385 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15386 return false; 15387 } 15388 15389 final boolean applyUserRestrictions 15390 = (allUserHandles != null) && (outInfo.origUsers != null); 15391 final PackageSetting disabledPs; 15392 // Confirm if the system package has been updated 15393 // An updated system app can be deleted. This will also have to restore 15394 // the system pkg from system partition 15395 // reader 15396 synchronized (mPackages) { 15397 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15398 } 15399 15400 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15401 + " disabledPs=" + disabledPs); 15402 15403 if (disabledPs == null) { 15404 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15405 return false; 15406 } else if (DEBUG_REMOVE) { 15407 Slog.d(TAG, "Deleting system pkg from data partition"); 15408 } 15409 15410 if (DEBUG_REMOVE) { 15411 if (applyUserRestrictions) { 15412 Slog.d(TAG, "Remembering install states:"); 15413 for (int userId : allUserHandles) { 15414 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15415 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15416 } 15417 } 15418 } 15419 15420 // Delete the updated package 15421 outInfo.isRemovedPackageSystemUpdate = true; 15422 if (outInfo.removedChildPackages != null) { 15423 final int childCount = (deletedPs.childPackageNames != null) 15424 ? deletedPs.childPackageNames.size() : 0; 15425 for (int i = 0; i < childCount; i++) { 15426 String childPackageName = deletedPs.childPackageNames.get(i); 15427 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15428 .contains(childPackageName)) { 15429 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15430 childPackageName); 15431 if (childInfo != null) { 15432 childInfo.isRemovedPackageSystemUpdate = true; 15433 } 15434 } 15435 } 15436 } 15437 15438 if (disabledPs.versionCode < deletedPs.versionCode) { 15439 // Delete data for downgrades 15440 flags &= ~PackageManager.DELETE_KEEP_DATA; 15441 } else { 15442 // Preserve data by setting flag 15443 flags |= PackageManager.DELETE_KEEP_DATA; 15444 } 15445 15446 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15447 outInfo, writeSettings, disabledPs.pkg); 15448 if (!ret) { 15449 return false; 15450 } 15451 15452 // writer 15453 synchronized (mPackages) { 15454 // Reinstate the old system package 15455 enableSystemPackageLPw(disabledPs.pkg); 15456 // Remove any native libraries from the upgraded package. 15457 removeNativeBinariesLI(deletedPs); 15458 } 15459 15460 // Install the system package 15461 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15462 int parseFlags = mDefParseFlags 15463 | PackageParser.PARSE_MUST_BE_APK 15464 | PackageParser.PARSE_IS_SYSTEM 15465 | PackageParser.PARSE_IS_SYSTEM_DIR; 15466 if (locationIsPrivileged(disabledPs.codePath)) { 15467 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15468 } 15469 15470 final PackageParser.Package newPkg; 15471 try { 15472 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15473 } catch (PackageManagerException e) { 15474 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15475 + e.getMessage()); 15476 return false; 15477 } 15478 15479 prepareAppDataAfterInstallLIF(newPkg); 15480 15481 // writer 15482 synchronized (mPackages) { 15483 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15484 15485 // Propagate the permissions state as we do not want to drop on the floor 15486 // runtime permissions. The update permissions method below will take 15487 // care of removing obsolete permissions and grant install permissions. 15488 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15489 updatePermissionsLPw(newPkg.packageName, newPkg, 15490 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15491 15492 if (applyUserRestrictions) { 15493 if (DEBUG_REMOVE) { 15494 Slog.d(TAG, "Propagating install state across reinstall"); 15495 } 15496 for (int userId : allUserHandles) { 15497 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15498 if (DEBUG_REMOVE) { 15499 Slog.d(TAG, " user " + userId + " => " + installed); 15500 } 15501 ps.setInstalled(installed, userId); 15502 15503 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15504 } 15505 // Regardless of writeSettings we need to ensure that this restriction 15506 // state propagation is persisted 15507 mSettings.writeAllUsersPackageRestrictionsLPr(); 15508 } 15509 // can downgrade to reader here 15510 if (writeSettings) { 15511 mSettings.writeLPr(); 15512 } 15513 } 15514 return true; 15515 } 15516 15517 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15518 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15519 PackageRemovedInfo outInfo, boolean writeSettings, 15520 PackageParser.Package replacingPackage) { 15521 synchronized (mPackages) { 15522 if (outInfo != null) { 15523 outInfo.uid = ps.appId; 15524 } 15525 15526 if (outInfo != null && outInfo.removedChildPackages != null) { 15527 final int childCount = (ps.childPackageNames != null) 15528 ? ps.childPackageNames.size() : 0; 15529 for (int i = 0; i < childCount; i++) { 15530 String childPackageName = ps.childPackageNames.get(i); 15531 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15532 if (childPs == null) { 15533 return false; 15534 } 15535 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15536 childPackageName); 15537 if (childInfo != null) { 15538 childInfo.uid = childPs.appId; 15539 } 15540 } 15541 } 15542 } 15543 15544 // Delete package data from internal structures and also remove data if flag is set 15545 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15546 15547 // Delete the child packages data 15548 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15549 for (int i = 0; i < childCount; i++) { 15550 PackageSetting childPs; 15551 synchronized (mPackages) { 15552 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15553 } 15554 if (childPs != null) { 15555 PackageRemovedInfo childOutInfo = (outInfo != null 15556 && outInfo.removedChildPackages != null) 15557 ? outInfo.removedChildPackages.get(childPs.name) : null; 15558 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15559 && (replacingPackage != null 15560 && !replacingPackage.hasChildPackage(childPs.name)) 15561 ? flags & ~DELETE_KEEP_DATA : flags; 15562 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15563 deleteFlags, writeSettings); 15564 } 15565 } 15566 15567 // Delete application code and resources only for parent packages 15568 if (ps.parentPackageName == null) { 15569 if (deleteCodeAndResources && (outInfo != null)) { 15570 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15571 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15572 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15573 } 15574 } 15575 15576 return true; 15577 } 15578 15579 @Override 15580 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15581 int userId) { 15582 mContext.enforceCallingOrSelfPermission( 15583 android.Manifest.permission.DELETE_PACKAGES, null); 15584 synchronized (mPackages) { 15585 PackageSetting ps = mSettings.mPackages.get(packageName); 15586 if (ps == null) { 15587 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15588 return false; 15589 } 15590 if (!ps.getInstalled(userId)) { 15591 // Can't block uninstall for an app that is not installed or enabled. 15592 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15593 return false; 15594 } 15595 ps.setBlockUninstall(blockUninstall, userId); 15596 mSettings.writePackageRestrictionsLPr(userId); 15597 } 15598 return true; 15599 } 15600 15601 @Override 15602 public boolean getBlockUninstallForUser(String packageName, int userId) { 15603 synchronized (mPackages) { 15604 PackageSetting ps = mSettings.mPackages.get(packageName); 15605 if (ps == null) { 15606 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15607 return false; 15608 } 15609 return ps.getBlockUninstall(userId); 15610 } 15611 } 15612 15613 @Override 15614 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15615 int callingUid = Binder.getCallingUid(); 15616 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15617 throw new SecurityException( 15618 "setRequiredForSystemUser can only be run by the system or root"); 15619 } 15620 synchronized (mPackages) { 15621 PackageSetting ps = mSettings.mPackages.get(packageName); 15622 if (ps == null) { 15623 Log.w(TAG, "Package doesn't exist: " + packageName); 15624 return false; 15625 } 15626 if (systemUserApp) { 15627 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15628 } else { 15629 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15630 } 15631 mSettings.writeLPr(); 15632 } 15633 return true; 15634 } 15635 15636 /* 15637 * This method handles package deletion in general 15638 */ 15639 private boolean deletePackageLIF(String packageName, UserHandle user, 15640 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15641 PackageRemovedInfo outInfo, boolean writeSettings, 15642 PackageParser.Package replacingPackage) { 15643 if (packageName == null) { 15644 Slog.w(TAG, "Attempt to delete null packageName."); 15645 return false; 15646 } 15647 15648 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15649 15650 PackageSetting ps; 15651 15652 synchronized (mPackages) { 15653 ps = mSettings.mPackages.get(packageName); 15654 if (ps == null) { 15655 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15656 return false; 15657 } 15658 15659 if (ps.parentPackageName != null && (!isSystemApp(ps) 15660 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15661 if (DEBUG_REMOVE) { 15662 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15663 + ((user == null) ? UserHandle.USER_ALL : user)); 15664 } 15665 final int removedUserId = (user != null) ? user.getIdentifier() 15666 : UserHandle.USER_ALL; 15667 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15668 return false; 15669 } 15670 markPackageUninstalledForUserLPw(ps, user); 15671 scheduleWritePackageRestrictionsLocked(user); 15672 return true; 15673 } 15674 } 15675 15676 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15677 && user.getIdentifier() != UserHandle.USER_ALL)) { 15678 // The caller is asking that the package only be deleted for a single 15679 // user. To do this, we just mark its uninstalled state and delete 15680 // its data. If this is a system app, we only allow this to happen if 15681 // they have set the special DELETE_SYSTEM_APP which requests different 15682 // semantics than normal for uninstalling system apps. 15683 markPackageUninstalledForUserLPw(ps, user); 15684 15685 if (!isSystemApp(ps)) { 15686 // Do not uninstall the APK if an app should be cached 15687 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15688 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15689 // Other user still have this package installed, so all 15690 // we need to do is clear this user's data and save that 15691 // it is uninstalled. 15692 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15693 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15694 return false; 15695 } 15696 scheduleWritePackageRestrictionsLocked(user); 15697 return true; 15698 } else { 15699 // We need to set it back to 'installed' so the uninstall 15700 // broadcasts will be sent correctly. 15701 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15702 ps.setInstalled(true, user.getIdentifier()); 15703 } 15704 } else { 15705 // This is a system app, so we assume that the 15706 // other users still have this package installed, so all 15707 // we need to do is clear this user's data and save that 15708 // it is uninstalled. 15709 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15710 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15711 return false; 15712 } 15713 scheduleWritePackageRestrictionsLocked(user); 15714 return true; 15715 } 15716 } 15717 15718 // If we are deleting a composite package for all users, keep track 15719 // of result for each child. 15720 if (ps.childPackageNames != null && outInfo != null) { 15721 synchronized (mPackages) { 15722 final int childCount = ps.childPackageNames.size(); 15723 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15724 for (int i = 0; i < childCount; i++) { 15725 String childPackageName = ps.childPackageNames.get(i); 15726 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15727 childInfo.removedPackage = childPackageName; 15728 outInfo.removedChildPackages.put(childPackageName, childInfo); 15729 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15730 if (childPs != null) { 15731 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15732 } 15733 } 15734 } 15735 } 15736 15737 boolean ret = false; 15738 if (isSystemApp(ps)) { 15739 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15740 // When an updated system application is deleted we delete the existing resources 15741 // as well and fall back to existing code in system partition 15742 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15743 } else { 15744 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15745 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 15746 outInfo, writeSettings, replacingPackage); 15747 } 15748 15749 // Take a note whether we deleted the package for all users 15750 if (outInfo != null) { 15751 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15752 if (outInfo.removedChildPackages != null) { 15753 synchronized (mPackages) { 15754 final int childCount = outInfo.removedChildPackages.size(); 15755 for (int i = 0; i < childCount; i++) { 15756 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15757 if (childInfo != null) { 15758 childInfo.removedForAllUsers = mPackages.get( 15759 childInfo.removedPackage) == null; 15760 } 15761 } 15762 } 15763 } 15764 // If we uninstalled an update to a system app there may be some 15765 // child packages that appeared as they are declared in the system 15766 // app but were not declared in the update. 15767 if (isSystemApp(ps)) { 15768 synchronized (mPackages) { 15769 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15770 final int childCount = (updatedPs.childPackageNames != null) 15771 ? updatedPs.childPackageNames.size() : 0; 15772 for (int i = 0; i < childCount; i++) { 15773 String childPackageName = updatedPs.childPackageNames.get(i); 15774 if (outInfo.removedChildPackages == null 15775 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15776 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15777 if (childPs == null) { 15778 continue; 15779 } 15780 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15781 installRes.name = childPackageName; 15782 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15783 installRes.pkg = mPackages.get(childPackageName); 15784 installRes.uid = childPs.pkg.applicationInfo.uid; 15785 if (outInfo.appearedChildPackages == null) { 15786 outInfo.appearedChildPackages = new ArrayMap<>(); 15787 } 15788 outInfo.appearedChildPackages.put(childPackageName, installRes); 15789 } 15790 } 15791 } 15792 } 15793 } 15794 15795 return ret; 15796 } 15797 15798 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15799 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15800 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15801 for (int nextUserId : userIds) { 15802 if (DEBUG_REMOVE) { 15803 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15804 } 15805 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 15806 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15807 false /*hidden*/, false /*suspended*/, null, null, null, 15808 false /*blockUninstall*/, 15809 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15810 } 15811 } 15812 15813 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 15814 PackageRemovedInfo outInfo) { 15815 final PackageParser.Package pkg; 15816 synchronized (mPackages) { 15817 pkg = mPackages.get(ps.name); 15818 } 15819 15820 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15821 : new int[] {userId}; 15822 for (int nextUserId : userIds) { 15823 if (DEBUG_REMOVE) { 15824 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15825 + nextUserId); 15826 } 15827 15828 destroyAppDataLIF(pkg, userId, 15829 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15830 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15831 schedulePackageCleaning(ps.name, nextUserId, false); 15832 synchronized (mPackages) { 15833 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15834 scheduleWritePackageRestrictionsLocked(nextUserId); 15835 } 15836 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15837 } 15838 } 15839 15840 if (outInfo != null) { 15841 outInfo.removedPackage = ps.name; 15842 outInfo.removedAppId = ps.appId; 15843 outInfo.removedUsers = userIds; 15844 } 15845 15846 return true; 15847 } 15848 15849 private final class ClearStorageConnection implements ServiceConnection { 15850 IMediaContainerService mContainerService; 15851 15852 @Override 15853 public void onServiceConnected(ComponentName name, IBinder service) { 15854 synchronized (this) { 15855 mContainerService = IMediaContainerService.Stub.asInterface(service); 15856 notifyAll(); 15857 } 15858 } 15859 15860 @Override 15861 public void onServiceDisconnected(ComponentName name) { 15862 } 15863 } 15864 15865 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15866 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 15867 15868 final boolean mounted; 15869 if (Environment.isExternalStorageEmulated()) { 15870 mounted = true; 15871 } else { 15872 final String status = Environment.getExternalStorageState(); 15873 15874 mounted = status.equals(Environment.MEDIA_MOUNTED) 15875 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15876 } 15877 15878 if (!mounted) { 15879 return; 15880 } 15881 15882 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15883 int[] users; 15884 if (userId == UserHandle.USER_ALL) { 15885 users = sUserManager.getUserIds(); 15886 } else { 15887 users = new int[] { userId }; 15888 } 15889 final ClearStorageConnection conn = new ClearStorageConnection(); 15890 if (mContext.bindServiceAsUser( 15891 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15892 try { 15893 for (int curUser : users) { 15894 long timeout = SystemClock.uptimeMillis() + 5000; 15895 synchronized (conn) { 15896 long now = SystemClock.uptimeMillis(); 15897 while (conn.mContainerService == null && now < timeout) { 15898 try { 15899 conn.wait(timeout - now); 15900 } catch (InterruptedException e) { 15901 } 15902 } 15903 } 15904 if (conn.mContainerService == null) { 15905 return; 15906 } 15907 15908 final UserEnvironment userEnv = new UserEnvironment(curUser); 15909 clearDirectory(conn.mContainerService, 15910 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15911 if (allData) { 15912 clearDirectory(conn.mContainerService, 15913 userEnv.buildExternalStorageAppDataDirs(packageName)); 15914 clearDirectory(conn.mContainerService, 15915 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15916 } 15917 } 15918 } finally { 15919 mContext.unbindService(conn); 15920 } 15921 } 15922 } 15923 15924 @Override 15925 public void clearApplicationProfileData(String packageName) { 15926 enforceSystemOrRoot("Only the system can clear all profile data"); 15927 15928 final PackageParser.Package pkg; 15929 synchronized (mPackages) { 15930 pkg = mPackages.get(packageName); 15931 } 15932 15933 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 15934 synchronized (mInstallLock) { 15935 clearAppProfilesLIF(pkg); 15936 } 15937 } 15938 } 15939 15940 @Override 15941 public void clearApplicationUserData(final String packageName, 15942 final IPackageDataObserver observer, final int userId) { 15943 mContext.enforceCallingOrSelfPermission( 15944 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15945 15946 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15947 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15948 15949 final DevicePolicyManagerInternal dpmi = LocalServices 15950 .getService(DevicePolicyManagerInternal.class); 15951 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15952 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15953 } 15954 // Queue up an async operation since the package deletion may take a little while. 15955 mHandler.post(new Runnable() { 15956 public void run() { 15957 mHandler.removeCallbacks(this); 15958 final boolean succeeded; 15959 try (PackageFreezer freezer = freezePackage(packageName, 15960 "clearApplicationUserData")) { 15961 synchronized (mInstallLock) { 15962 succeeded = clearApplicationUserDataLIF(packageName, userId); 15963 } 15964 clearExternalStorageDataSync(packageName, userId, true); 15965 } 15966 if (succeeded) { 15967 // invoke DeviceStorageMonitor's update method to clear any notifications 15968 DeviceStorageMonitorInternal dsm = LocalServices 15969 .getService(DeviceStorageMonitorInternal.class); 15970 if (dsm != null) { 15971 dsm.checkMemory(); 15972 } 15973 } 15974 if(observer != null) { 15975 try { 15976 observer.onRemoveCompleted(packageName, succeeded); 15977 } catch (RemoteException e) { 15978 Log.i(TAG, "Observer no longer exists."); 15979 } 15980 } //end if observer 15981 } //end run 15982 }); 15983 } 15984 15985 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 15986 if (packageName == null) { 15987 Slog.w(TAG, "Attempt to delete null packageName."); 15988 return false; 15989 } 15990 15991 // Try finding details about the requested package 15992 PackageParser.Package pkg; 15993 synchronized (mPackages) { 15994 pkg = mPackages.get(packageName); 15995 if (pkg == null) { 15996 final PackageSetting ps = mSettings.mPackages.get(packageName); 15997 if (ps != null) { 15998 pkg = ps.pkg; 15999 } 16000 } 16001 16002 if (pkg == null) { 16003 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16004 return false; 16005 } 16006 16007 PackageSetting ps = (PackageSetting) pkg.mExtras; 16008 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16009 } 16010 16011 clearAppDataLIF(pkg, userId, 16012 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16013 16014 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16015 removeKeystoreDataIfNeeded(userId, appId); 16016 16017 final UserManager um = mContext.getSystemService(UserManager.class); 16018 final int flags; 16019 if (um.isUserUnlockingOrUnlocked(userId)) { 16020 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16021 } else if (um.isUserRunning(userId)) { 16022 flags = StorageManager.FLAG_STORAGE_DE; 16023 } else { 16024 flags = 0; 16025 } 16026 prepareAppDataContentsLIF(pkg, userId, flags); 16027 16028 return true; 16029 } 16030 16031 /** 16032 * Reverts user permission state changes (permissions and flags) in 16033 * all packages for a given user. 16034 * 16035 * @param userId The device user for which to do a reset. 16036 */ 16037 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16038 final int packageCount = mPackages.size(); 16039 for (int i = 0; i < packageCount; i++) { 16040 PackageParser.Package pkg = mPackages.valueAt(i); 16041 PackageSetting ps = (PackageSetting) pkg.mExtras; 16042 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16043 } 16044 } 16045 16046 /** 16047 * Reverts user permission state changes (permissions and flags). 16048 * 16049 * @param ps The package for which to reset. 16050 * @param userId The device user for which to do a reset. 16051 */ 16052 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16053 final PackageSetting ps, final int userId) { 16054 if (ps.pkg == null) { 16055 return; 16056 } 16057 16058 // These are flags that can change base on user actions. 16059 final int userSettableMask = FLAG_PERMISSION_USER_SET 16060 | FLAG_PERMISSION_USER_FIXED 16061 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16062 | FLAG_PERMISSION_REVIEW_REQUIRED; 16063 16064 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16065 | FLAG_PERMISSION_POLICY_FIXED; 16066 16067 boolean writeInstallPermissions = false; 16068 boolean writeRuntimePermissions = false; 16069 16070 final int permissionCount = ps.pkg.requestedPermissions.size(); 16071 for (int i = 0; i < permissionCount; i++) { 16072 String permission = ps.pkg.requestedPermissions.get(i); 16073 16074 BasePermission bp = mSettings.mPermissions.get(permission); 16075 if (bp == null) { 16076 continue; 16077 } 16078 16079 // If shared user we just reset the state to which only this app contributed. 16080 if (ps.sharedUser != null) { 16081 boolean used = false; 16082 final int packageCount = ps.sharedUser.packages.size(); 16083 for (int j = 0; j < packageCount; j++) { 16084 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16085 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16086 && pkg.pkg.requestedPermissions.contains(permission)) { 16087 used = true; 16088 break; 16089 } 16090 } 16091 if (used) { 16092 continue; 16093 } 16094 } 16095 16096 PermissionsState permissionsState = ps.getPermissionsState(); 16097 16098 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16099 16100 // Always clear the user settable flags. 16101 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16102 bp.name) != null; 16103 // If permission review is enabled and this is a legacy app, mark the 16104 // permission as requiring a review as this is the initial state. 16105 int flags = 0; 16106 if (Build.PERMISSIONS_REVIEW_REQUIRED 16107 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16108 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16109 } 16110 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16111 if (hasInstallState) { 16112 writeInstallPermissions = true; 16113 } else { 16114 writeRuntimePermissions = true; 16115 } 16116 } 16117 16118 // Below is only runtime permission handling. 16119 if (!bp.isRuntime()) { 16120 continue; 16121 } 16122 16123 // Never clobber system or policy. 16124 if ((oldFlags & policyOrSystemFlags) != 0) { 16125 continue; 16126 } 16127 16128 // If this permission was granted by default, make sure it is. 16129 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16130 if (permissionsState.grantRuntimePermission(bp, userId) 16131 != PERMISSION_OPERATION_FAILURE) { 16132 writeRuntimePermissions = true; 16133 } 16134 // If permission review is enabled the permissions for a legacy apps 16135 // are represented as constantly granted runtime ones, so don't revoke. 16136 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16137 // Otherwise, reset the permission. 16138 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16139 switch (revokeResult) { 16140 case PERMISSION_OPERATION_SUCCESS: 16141 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16142 writeRuntimePermissions = true; 16143 final int appId = ps.appId; 16144 mHandler.post(new Runnable() { 16145 @Override 16146 public void run() { 16147 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16148 } 16149 }); 16150 } break; 16151 } 16152 } 16153 } 16154 16155 // Synchronously write as we are taking permissions away. 16156 if (writeRuntimePermissions) { 16157 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16158 } 16159 16160 // Synchronously write as we are taking permissions away. 16161 if (writeInstallPermissions) { 16162 mSettings.writeLPr(); 16163 } 16164 } 16165 16166 /** 16167 * Remove entries from the keystore daemon. Will only remove it if the 16168 * {@code appId} is valid. 16169 */ 16170 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16171 if (appId < 0) { 16172 return; 16173 } 16174 16175 final KeyStore keyStore = KeyStore.getInstance(); 16176 if (keyStore != null) { 16177 if (userId == UserHandle.USER_ALL) { 16178 for (final int individual : sUserManager.getUserIds()) { 16179 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16180 } 16181 } else { 16182 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16183 } 16184 } else { 16185 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16186 } 16187 } 16188 16189 @Override 16190 public void deleteApplicationCacheFiles(final String packageName, 16191 final IPackageDataObserver observer) { 16192 final int userId = UserHandle.getCallingUserId(); 16193 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16194 } 16195 16196 @Override 16197 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16198 final IPackageDataObserver observer) { 16199 mContext.enforceCallingOrSelfPermission( 16200 android.Manifest.permission.DELETE_CACHE_FILES, null); 16201 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16202 /* requireFullPermission= */ true, /* checkShell= */ false, 16203 "delete application cache files"); 16204 16205 final PackageParser.Package pkg; 16206 synchronized (mPackages) { 16207 pkg = mPackages.get(packageName); 16208 } 16209 16210 // Queue up an async operation since the package deletion may take a little while. 16211 mHandler.post(new Runnable() { 16212 public void run() { 16213 synchronized (mInstallLock) { 16214 final int flags = StorageManager.FLAG_STORAGE_DE 16215 | StorageManager.FLAG_STORAGE_CE; 16216 // We're only clearing cache files, so we don't care if the 16217 // app is unfrozen and still able to run 16218 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16219 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16220 } 16221 clearExternalStorageDataSync(packageName, userId, false); 16222 if (observer != null) { 16223 try { 16224 observer.onRemoveCompleted(packageName, true); 16225 } catch (RemoteException e) { 16226 Log.i(TAG, "Observer no longer exists."); 16227 } 16228 } 16229 } 16230 }); 16231 } 16232 16233 @Override 16234 public void getPackageSizeInfo(final String packageName, int userHandle, 16235 final IPackageStatsObserver observer) { 16236 mContext.enforceCallingOrSelfPermission( 16237 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16238 if (packageName == null) { 16239 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16240 } 16241 16242 PackageStats stats = new PackageStats(packageName, userHandle); 16243 16244 /* 16245 * Queue up an async operation since the package measurement may take a 16246 * little while. 16247 */ 16248 Message msg = mHandler.obtainMessage(INIT_COPY); 16249 msg.obj = new MeasureParams(stats, observer); 16250 mHandler.sendMessage(msg); 16251 } 16252 16253 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16254 final PackageSetting ps; 16255 synchronized (mPackages) { 16256 ps = mSettings.mPackages.get(packageName); 16257 if (ps == null) { 16258 Slog.w(TAG, "Failed to find settings for " + packageName); 16259 return false; 16260 } 16261 } 16262 try { 16263 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16264 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16265 ps.getCeDataInode(userId), ps.codePathString, stats); 16266 } catch (InstallerException e) { 16267 Slog.w(TAG, String.valueOf(e)); 16268 return false; 16269 } 16270 16271 // For now, ignore code size of packages on system partition 16272 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16273 stats.codeSize = 0; 16274 } 16275 16276 return true; 16277 } 16278 16279 private int getUidTargetSdkVersionLockedLPr(int uid) { 16280 Object obj = mSettings.getUserIdLPr(uid); 16281 if (obj instanceof SharedUserSetting) { 16282 final SharedUserSetting sus = (SharedUserSetting) obj; 16283 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16284 final Iterator<PackageSetting> it = sus.packages.iterator(); 16285 while (it.hasNext()) { 16286 final PackageSetting ps = it.next(); 16287 if (ps.pkg != null) { 16288 int v = ps.pkg.applicationInfo.targetSdkVersion; 16289 if (v < vers) vers = v; 16290 } 16291 } 16292 return vers; 16293 } else if (obj instanceof PackageSetting) { 16294 final PackageSetting ps = (PackageSetting) obj; 16295 if (ps.pkg != null) { 16296 return ps.pkg.applicationInfo.targetSdkVersion; 16297 } 16298 } 16299 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16300 } 16301 16302 @Override 16303 public void addPreferredActivity(IntentFilter filter, int match, 16304 ComponentName[] set, ComponentName activity, int userId) { 16305 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16306 "Adding preferred"); 16307 } 16308 16309 private void addPreferredActivityInternal(IntentFilter filter, int match, 16310 ComponentName[] set, ComponentName activity, boolean always, int userId, 16311 String opname) { 16312 // writer 16313 int callingUid = Binder.getCallingUid(); 16314 enforceCrossUserPermission(callingUid, userId, 16315 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16316 if (filter.countActions() == 0) { 16317 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16318 return; 16319 } 16320 synchronized (mPackages) { 16321 if (mContext.checkCallingOrSelfPermission( 16322 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16323 != PackageManager.PERMISSION_GRANTED) { 16324 if (getUidTargetSdkVersionLockedLPr(callingUid) 16325 < Build.VERSION_CODES.FROYO) { 16326 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16327 + callingUid); 16328 return; 16329 } 16330 mContext.enforceCallingOrSelfPermission( 16331 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16332 } 16333 16334 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16335 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16336 + userId + ":"); 16337 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16338 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16339 scheduleWritePackageRestrictionsLocked(userId); 16340 } 16341 } 16342 16343 @Override 16344 public void replacePreferredActivity(IntentFilter filter, int match, 16345 ComponentName[] set, ComponentName activity, int userId) { 16346 if (filter.countActions() != 1) { 16347 throw new IllegalArgumentException( 16348 "replacePreferredActivity expects filter to have only 1 action."); 16349 } 16350 if (filter.countDataAuthorities() != 0 16351 || filter.countDataPaths() != 0 16352 || filter.countDataSchemes() > 1 16353 || filter.countDataTypes() != 0) { 16354 throw new IllegalArgumentException( 16355 "replacePreferredActivity expects filter to have no data authorities, " + 16356 "paths, or types; and at most one scheme."); 16357 } 16358 16359 final int callingUid = Binder.getCallingUid(); 16360 enforceCrossUserPermission(callingUid, userId, 16361 true /* requireFullPermission */, false /* checkShell */, 16362 "replace preferred activity"); 16363 synchronized (mPackages) { 16364 if (mContext.checkCallingOrSelfPermission( 16365 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16366 != PackageManager.PERMISSION_GRANTED) { 16367 if (getUidTargetSdkVersionLockedLPr(callingUid) 16368 < Build.VERSION_CODES.FROYO) { 16369 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16370 + Binder.getCallingUid()); 16371 return; 16372 } 16373 mContext.enforceCallingOrSelfPermission( 16374 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16375 } 16376 16377 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16378 if (pir != null) { 16379 // Get all of the existing entries that exactly match this filter. 16380 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16381 if (existing != null && existing.size() == 1) { 16382 PreferredActivity cur = existing.get(0); 16383 if (DEBUG_PREFERRED) { 16384 Slog.i(TAG, "Checking replace of preferred:"); 16385 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16386 if (!cur.mPref.mAlways) { 16387 Slog.i(TAG, " -- CUR; not mAlways!"); 16388 } else { 16389 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16390 Slog.i(TAG, " -- CUR: mSet=" 16391 + Arrays.toString(cur.mPref.mSetComponents)); 16392 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16393 Slog.i(TAG, " -- NEW: mMatch=" 16394 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16395 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16396 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16397 } 16398 } 16399 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16400 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16401 && cur.mPref.sameSet(set)) { 16402 // Setting the preferred activity to what it happens to be already 16403 if (DEBUG_PREFERRED) { 16404 Slog.i(TAG, "Replacing with same preferred activity " 16405 + cur.mPref.mShortComponent + " for user " 16406 + userId + ":"); 16407 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16408 } 16409 return; 16410 } 16411 } 16412 16413 if (existing != null) { 16414 if (DEBUG_PREFERRED) { 16415 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16416 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16417 } 16418 for (int i = 0; i < existing.size(); i++) { 16419 PreferredActivity pa = existing.get(i); 16420 if (DEBUG_PREFERRED) { 16421 Slog.i(TAG, "Removing existing preferred activity " 16422 + pa.mPref.mComponent + ":"); 16423 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16424 } 16425 pir.removeFilter(pa); 16426 } 16427 } 16428 } 16429 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16430 "Replacing preferred"); 16431 } 16432 } 16433 16434 @Override 16435 public void clearPackagePreferredActivities(String packageName) { 16436 final int uid = Binder.getCallingUid(); 16437 // writer 16438 synchronized (mPackages) { 16439 PackageParser.Package pkg = mPackages.get(packageName); 16440 if (pkg == null || pkg.applicationInfo.uid != uid) { 16441 if (mContext.checkCallingOrSelfPermission( 16442 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16443 != PackageManager.PERMISSION_GRANTED) { 16444 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16445 < Build.VERSION_CODES.FROYO) { 16446 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16447 + Binder.getCallingUid()); 16448 return; 16449 } 16450 mContext.enforceCallingOrSelfPermission( 16451 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16452 } 16453 } 16454 16455 int user = UserHandle.getCallingUserId(); 16456 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16457 scheduleWritePackageRestrictionsLocked(user); 16458 } 16459 } 16460 } 16461 16462 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16463 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16464 ArrayList<PreferredActivity> removed = null; 16465 boolean changed = false; 16466 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16467 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16468 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16469 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16470 continue; 16471 } 16472 Iterator<PreferredActivity> it = pir.filterIterator(); 16473 while (it.hasNext()) { 16474 PreferredActivity pa = it.next(); 16475 // Mark entry for removal only if it matches the package name 16476 // and the entry is of type "always". 16477 if (packageName == null || 16478 (pa.mPref.mComponent.getPackageName().equals(packageName) 16479 && pa.mPref.mAlways)) { 16480 if (removed == null) { 16481 removed = new ArrayList<PreferredActivity>(); 16482 } 16483 removed.add(pa); 16484 } 16485 } 16486 if (removed != null) { 16487 for (int j=0; j<removed.size(); j++) { 16488 PreferredActivity pa = removed.get(j); 16489 pir.removeFilter(pa); 16490 } 16491 changed = true; 16492 } 16493 } 16494 return changed; 16495 } 16496 16497 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16498 private void clearIntentFilterVerificationsLPw(int userId) { 16499 final int packageCount = mPackages.size(); 16500 for (int i = 0; i < packageCount; i++) { 16501 PackageParser.Package pkg = mPackages.valueAt(i); 16502 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16503 } 16504 } 16505 16506 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16507 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16508 if (userId == UserHandle.USER_ALL) { 16509 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16510 sUserManager.getUserIds())) { 16511 for (int oneUserId : sUserManager.getUserIds()) { 16512 scheduleWritePackageRestrictionsLocked(oneUserId); 16513 } 16514 } 16515 } else { 16516 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16517 scheduleWritePackageRestrictionsLocked(userId); 16518 } 16519 } 16520 } 16521 16522 void clearDefaultBrowserIfNeeded(String packageName) { 16523 for (int oneUserId : sUserManager.getUserIds()) { 16524 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16525 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16526 if (packageName.equals(defaultBrowserPackageName)) { 16527 setDefaultBrowserPackageName(null, oneUserId); 16528 } 16529 } 16530 } 16531 16532 @Override 16533 public void resetApplicationPreferences(int userId) { 16534 mContext.enforceCallingOrSelfPermission( 16535 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16536 // writer 16537 synchronized (mPackages) { 16538 final long identity = Binder.clearCallingIdentity(); 16539 try { 16540 clearPackagePreferredActivitiesLPw(null, userId); 16541 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16542 // TODO: We have to reset the default SMS and Phone. This requires 16543 // significant refactoring to keep all default apps in the package 16544 // manager (cleaner but more work) or have the services provide 16545 // callbacks to the package manager to request a default app reset. 16546 applyFactoryDefaultBrowserLPw(userId); 16547 clearIntentFilterVerificationsLPw(userId); 16548 primeDomainVerificationsLPw(userId); 16549 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16550 scheduleWritePackageRestrictionsLocked(userId); 16551 } finally { 16552 Binder.restoreCallingIdentity(identity); 16553 } 16554 } 16555 } 16556 16557 @Override 16558 public int getPreferredActivities(List<IntentFilter> outFilters, 16559 List<ComponentName> outActivities, String packageName) { 16560 16561 int num = 0; 16562 final int userId = UserHandle.getCallingUserId(); 16563 // reader 16564 synchronized (mPackages) { 16565 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16566 if (pir != null) { 16567 final Iterator<PreferredActivity> it = pir.filterIterator(); 16568 while (it.hasNext()) { 16569 final PreferredActivity pa = it.next(); 16570 if (packageName == null 16571 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16572 && pa.mPref.mAlways)) { 16573 if (outFilters != null) { 16574 outFilters.add(new IntentFilter(pa)); 16575 } 16576 if (outActivities != null) { 16577 outActivities.add(pa.mPref.mComponent); 16578 } 16579 } 16580 } 16581 } 16582 } 16583 16584 return num; 16585 } 16586 16587 @Override 16588 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16589 int userId) { 16590 int callingUid = Binder.getCallingUid(); 16591 if (callingUid != Process.SYSTEM_UID) { 16592 throw new SecurityException( 16593 "addPersistentPreferredActivity can only be run by the system"); 16594 } 16595 if (filter.countActions() == 0) { 16596 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16597 return; 16598 } 16599 synchronized (mPackages) { 16600 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16601 ":"); 16602 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16603 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16604 new PersistentPreferredActivity(filter, activity)); 16605 scheduleWritePackageRestrictionsLocked(userId); 16606 } 16607 } 16608 16609 @Override 16610 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16611 int callingUid = Binder.getCallingUid(); 16612 if (callingUid != Process.SYSTEM_UID) { 16613 throw new SecurityException( 16614 "clearPackagePersistentPreferredActivities can only be run by the system"); 16615 } 16616 ArrayList<PersistentPreferredActivity> removed = null; 16617 boolean changed = false; 16618 synchronized (mPackages) { 16619 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16620 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16621 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16622 .valueAt(i); 16623 if (userId != thisUserId) { 16624 continue; 16625 } 16626 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16627 while (it.hasNext()) { 16628 PersistentPreferredActivity ppa = it.next(); 16629 // Mark entry for removal only if it matches the package name. 16630 if (ppa.mComponent.getPackageName().equals(packageName)) { 16631 if (removed == null) { 16632 removed = new ArrayList<PersistentPreferredActivity>(); 16633 } 16634 removed.add(ppa); 16635 } 16636 } 16637 if (removed != null) { 16638 for (int j=0; j<removed.size(); j++) { 16639 PersistentPreferredActivity ppa = removed.get(j); 16640 ppir.removeFilter(ppa); 16641 } 16642 changed = true; 16643 } 16644 } 16645 16646 if (changed) { 16647 scheduleWritePackageRestrictionsLocked(userId); 16648 } 16649 } 16650 } 16651 16652 /** 16653 * Common machinery for picking apart a restored XML blob and passing 16654 * it to a caller-supplied functor to be applied to the running system. 16655 */ 16656 private void restoreFromXml(XmlPullParser parser, int userId, 16657 String expectedStartTag, BlobXmlRestorer functor) 16658 throws IOException, XmlPullParserException { 16659 int type; 16660 while ((type = parser.next()) != XmlPullParser.START_TAG 16661 && type != XmlPullParser.END_DOCUMENT) { 16662 } 16663 if (type != XmlPullParser.START_TAG) { 16664 // oops didn't find a start tag?! 16665 if (DEBUG_BACKUP) { 16666 Slog.e(TAG, "Didn't find start tag during restore"); 16667 } 16668 return; 16669 } 16670Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16671 // this is supposed to be TAG_PREFERRED_BACKUP 16672 if (!expectedStartTag.equals(parser.getName())) { 16673 if (DEBUG_BACKUP) { 16674 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16675 } 16676 return; 16677 } 16678 16679 // skip interfering stuff, then we're aligned with the backing implementation 16680 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16681Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16682 functor.apply(parser, userId); 16683 } 16684 16685 private interface BlobXmlRestorer { 16686 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16687 } 16688 16689 /** 16690 * Non-Binder method, support for the backup/restore mechanism: write the 16691 * full set of preferred activities in its canonical XML format. Returns the 16692 * XML output as a byte array, or null if there is none. 16693 */ 16694 @Override 16695 public byte[] getPreferredActivityBackup(int userId) { 16696 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16697 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16698 } 16699 16700 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16701 try { 16702 final XmlSerializer serializer = new FastXmlSerializer(); 16703 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16704 serializer.startDocument(null, true); 16705 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16706 16707 synchronized (mPackages) { 16708 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16709 } 16710 16711 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16712 serializer.endDocument(); 16713 serializer.flush(); 16714 } catch (Exception e) { 16715 if (DEBUG_BACKUP) { 16716 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16717 } 16718 return null; 16719 } 16720 16721 return dataStream.toByteArray(); 16722 } 16723 16724 @Override 16725 public void restorePreferredActivities(byte[] backup, int userId) { 16726 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16727 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16728 } 16729 16730 try { 16731 final XmlPullParser parser = Xml.newPullParser(); 16732 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16733 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16734 new BlobXmlRestorer() { 16735 @Override 16736 public void apply(XmlPullParser parser, int userId) 16737 throws XmlPullParserException, IOException { 16738 synchronized (mPackages) { 16739 mSettings.readPreferredActivitiesLPw(parser, userId); 16740 } 16741 } 16742 } ); 16743 } catch (Exception e) { 16744 if (DEBUG_BACKUP) { 16745 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16746 } 16747 } 16748 } 16749 16750 /** 16751 * Non-Binder method, support for the backup/restore mechanism: write the 16752 * default browser (etc) settings in its canonical XML format. Returns the default 16753 * browser XML representation as a byte array, or null if there is none. 16754 */ 16755 @Override 16756 public byte[] getDefaultAppsBackup(int userId) { 16757 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16758 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16759 } 16760 16761 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16762 try { 16763 final XmlSerializer serializer = new FastXmlSerializer(); 16764 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16765 serializer.startDocument(null, true); 16766 serializer.startTag(null, TAG_DEFAULT_APPS); 16767 16768 synchronized (mPackages) { 16769 mSettings.writeDefaultAppsLPr(serializer, userId); 16770 } 16771 16772 serializer.endTag(null, TAG_DEFAULT_APPS); 16773 serializer.endDocument(); 16774 serializer.flush(); 16775 } catch (Exception e) { 16776 if (DEBUG_BACKUP) { 16777 Slog.e(TAG, "Unable to write default apps for backup", e); 16778 } 16779 return null; 16780 } 16781 16782 return dataStream.toByteArray(); 16783 } 16784 16785 @Override 16786 public void restoreDefaultApps(byte[] backup, int userId) { 16787 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16788 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16789 } 16790 16791 try { 16792 final XmlPullParser parser = Xml.newPullParser(); 16793 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16794 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16795 new BlobXmlRestorer() { 16796 @Override 16797 public void apply(XmlPullParser parser, int userId) 16798 throws XmlPullParserException, IOException { 16799 synchronized (mPackages) { 16800 mSettings.readDefaultAppsLPw(parser, userId); 16801 } 16802 } 16803 } ); 16804 } catch (Exception e) { 16805 if (DEBUG_BACKUP) { 16806 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16807 } 16808 } 16809 } 16810 16811 @Override 16812 public byte[] getIntentFilterVerificationBackup(int userId) { 16813 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16814 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16815 } 16816 16817 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16818 try { 16819 final XmlSerializer serializer = new FastXmlSerializer(); 16820 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16821 serializer.startDocument(null, true); 16822 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16823 16824 synchronized (mPackages) { 16825 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16826 } 16827 16828 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16829 serializer.endDocument(); 16830 serializer.flush(); 16831 } catch (Exception e) { 16832 if (DEBUG_BACKUP) { 16833 Slog.e(TAG, "Unable to write default apps for backup", e); 16834 } 16835 return null; 16836 } 16837 16838 return dataStream.toByteArray(); 16839 } 16840 16841 @Override 16842 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16843 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16844 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16845 } 16846 16847 try { 16848 final XmlPullParser parser = Xml.newPullParser(); 16849 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16850 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16851 new BlobXmlRestorer() { 16852 @Override 16853 public void apply(XmlPullParser parser, int userId) 16854 throws XmlPullParserException, IOException { 16855 synchronized (mPackages) { 16856 mSettings.readAllDomainVerificationsLPr(parser, userId); 16857 mSettings.writeLPr(); 16858 } 16859 } 16860 } ); 16861 } catch (Exception e) { 16862 if (DEBUG_BACKUP) { 16863 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16864 } 16865 } 16866 } 16867 16868 @Override 16869 public byte[] getPermissionGrantBackup(int userId) { 16870 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16871 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16872 } 16873 16874 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16875 try { 16876 final XmlSerializer serializer = new FastXmlSerializer(); 16877 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16878 serializer.startDocument(null, true); 16879 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16880 16881 synchronized (mPackages) { 16882 serializeRuntimePermissionGrantsLPr(serializer, userId); 16883 } 16884 16885 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16886 serializer.endDocument(); 16887 serializer.flush(); 16888 } catch (Exception e) { 16889 if (DEBUG_BACKUP) { 16890 Slog.e(TAG, "Unable to write default apps for backup", e); 16891 } 16892 return null; 16893 } 16894 16895 return dataStream.toByteArray(); 16896 } 16897 16898 @Override 16899 public void restorePermissionGrants(byte[] backup, int userId) { 16900 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16901 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16902 } 16903 16904 try { 16905 final XmlPullParser parser = Xml.newPullParser(); 16906 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16907 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16908 new BlobXmlRestorer() { 16909 @Override 16910 public void apply(XmlPullParser parser, int userId) 16911 throws XmlPullParserException, IOException { 16912 synchronized (mPackages) { 16913 processRestoredPermissionGrantsLPr(parser, userId); 16914 } 16915 } 16916 } ); 16917 } catch (Exception e) { 16918 if (DEBUG_BACKUP) { 16919 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16920 } 16921 } 16922 } 16923 16924 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16925 throws IOException { 16926 serializer.startTag(null, TAG_ALL_GRANTS); 16927 16928 final int N = mSettings.mPackages.size(); 16929 for (int i = 0; i < N; i++) { 16930 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16931 boolean pkgGrantsKnown = false; 16932 16933 PermissionsState packagePerms = ps.getPermissionsState(); 16934 16935 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16936 final int grantFlags = state.getFlags(); 16937 // only look at grants that are not system/policy fixed 16938 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16939 final boolean isGranted = state.isGranted(); 16940 // And only back up the user-twiddled state bits 16941 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16942 final String packageName = mSettings.mPackages.keyAt(i); 16943 if (!pkgGrantsKnown) { 16944 serializer.startTag(null, TAG_GRANT); 16945 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16946 pkgGrantsKnown = true; 16947 } 16948 16949 final boolean userSet = 16950 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16951 final boolean userFixed = 16952 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16953 final boolean revoke = 16954 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16955 16956 serializer.startTag(null, TAG_PERMISSION); 16957 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16958 if (isGranted) { 16959 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16960 } 16961 if (userSet) { 16962 serializer.attribute(null, ATTR_USER_SET, "true"); 16963 } 16964 if (userFixed) { 16965 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16966 } 16967 if (revoke) { 16968 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16969 } 16970 serializer.endTag(null, TAG_PERMISSION); 16971 } 16972 } 16973 } 16974 16975 if (pkgGrantsKnown) { 16976 serializer.endTag(null, TAG_GRANT); 16977 } 16978 } 16979 16980 serializer.endTag(null, TAG_ALL_GRANTS); 16981 } 16982 16983 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16984 throws XmlPullParserException, IOException { 16985 String pkgName = null; 16986 int outerDepth = parser.getDepth(); 16987 int type; 16988 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16989 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16990 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16991 continue; 16992 } 16993 16994 final String tagName = parser.getName(); 16995 if (tagName.equals(TAG_GRANT)) { 16996 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16997 if (DEBUG_BACKUP) { 16998 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16999 } 17000 } else if (tagName.equals(TAG_PERMISSION)) { 17001 17002 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17003 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17004 17005 int newFlagSet = 0; 17006 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17007 newFlagSet |= FLAG_PERMISSION_USER_SET; 17008 } 17009 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17010 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17011 } 17012 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17013 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17014 } 17015 if (DEBUG_BACKUP) { 17016 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17017 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17018 } 17019 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17020 if (ps != null) { 17021 // Already installed so we apply the grant immediately 17022 if (DEBUG_BACKUP) { 17023 Slog.v(TAG, " + already installed; applying"); 17024 } 17025 PermissionsState perms = ps.getPermissionsState(); 17026 BasePermission bp = mSettings.mPermissions.get(permName); 17027 if (bp != null) { 17028 if (isGranted) { 17029 perms.grantRuntimePermission(bp, userId); 17030 } 17031 if (newFlagSet != 0) { 17032 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17033 } 17034 } 17035 } else { 17036 // Need to wait for post-restore install to apply the grant 17037 if (DEBUG_BACKUP) { 17038 Slog.v(TAG, " - not yet installed; saving for later"); 17039 } 17040 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17041 isGranted, newFlagSet, userId); 17042 } 17043 } else { 17044 PackageManagerService.reportSettingsProblem(Log.WARN, 17045 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17046 XmlUtils.skipCurrentTag(parser); 17047 } 17048 } 17049 17050 scheduleWriteSettingsLocked(); 17051 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17052 } 17053 17054 @Override 17055 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17056 int sourceUserId, int targetUserId, int flags) { 17057 mContext.enforceCallingOrSelfPermission( 17058 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17059 int callingUid = Binder.getCallingUid(); 17060 enforceOwnerRights(ownerPackage, callingUid); 17061 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17062 if (intentFilter.countActions() == 0) { 17063 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17064 return; 17065 } 17066 synchronized (mPackages) { 17067 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17068 ownerPackage, targetUserId, flags); 17069 CrossProfileIntentResolver resolver = 17070 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17071 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17072 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17073 if (existing != null) { 17074 int size = existing.size(); 17075 for (int i = 0; i < size; i++) { 17076 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17077 return; 17078 } 17079 } 17080 } 17081 resolver.addFilter(newFilter); 17082 scheduleWritePackageRestrictionsLocked(sourceUserId); 17083 } 17084 } 17085 17086 @Override 17087 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17088 mContext.enforceCallingOrSelfPermission( 17089 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17090 int callingUid = Binder.getCallingUid(); 17091 enforceOwnerRights(ownerPackage, callingUid); 17092 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17093 synchronized (mPackages) { 17094 CrossProfileIntentResolver resolver = 17095 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17096 ArraySet<CrossProfileIntentFilter> set = 17097 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17098 for (CrossProfileIntentFilter filter : set) { 17099 if (filter.getOwnerPackage().equals(ownerPackage)) { 17100 resolver.removeFilter(filter); 17101 } 17102 } 17103 scheduleWritePackageRestrictionsLocked(sourceUserId); 17104 } 17105 } 17106 17107 // Enforcing that callingUid is owning pkg on userId 17108 private void enforceOwnerRights(String pkg, int callingUid) { 17109 // The system owns everything. 17110 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17111 return; 17112 } 17113 int callingUserId = UserHandle.getUserId(callingUid); 17114 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17115 if (pi == null) { 17116 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17117 + callingUserId); 17118 } 17119 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17120 throw new SecurityException("Calling uid " + callingUid 17121 + " does not own package " + pkg); 17122 } 17123 } 17124 17125 @Override 17126 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17127 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17128 } 17129 17130 private Intent getHomeIntent() { 17131 Intent intent = new Intent(Intent.ACTION_MAIN); 17132 intent.addCategory(Intent.CATEGORY_HOME); 17133 return intent; 17134 } 17135 17136 private IntentFilter getHomeFilter() { 17137 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17138 filter.addCategory(Intent.CATEGORY_HOME); 17139 filter.addCategory(Intent.CATEGORY_DEFAULT); 17140 return filter; 17141 } 17142 17143 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17144 int userId) { 17145 Intent intent = getHomeIntent(); 17146 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17147 PackageManager.GET_META_DATA, userId); 17148 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17149 true, false, false, userId); 17150 17151 allHomeCandidates.clear(); 17152 if (list != null) { 17153 for (ResolveInfo ri : list) { 17154 allHomeCandidates.add(ri); 17155 } 17156 } 17157 return (preferred == null || preferred.activityInfo == null) 17158 ? null 17159 : new ComponentName(preferred.activityInfo.packageName, 17160 preferred.activityInfo.name); 17161 } 17162 17163 @Override 17164 public void setHomeActivity(ComponentName comp, int userId) { 17165 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17166 getHomeActivitiesAsUser(homeActivities, userId); 17167 17168 boolean found = false; 17169 17170 final int size = homeActivities.size(); 17171 final ComponentName[] set = new ComponentName[size]; 17172 for (int i = 0; i < size; i++) { 17173 final ResolveInfo candidate = homeActivities.get(i); 17174 final ActivityInfo info = candidate.activityInfo; 17175 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17176 set[i] = activityName; 17177 if (!found && activityName.equals(comp)) { 17178 found = true; 17179 } 17180 } 17181 if (!found) { 17182 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17183 + userId); 17184 } 17185 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17186 set, comp, userId); 17187 } 17188 17189 private @Nullable String getSetupWizardPackageName() { 17190 final Intent intent = new Intent(Intent.ACTION_MAIN); 17191 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17192 17193 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17194 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17195 | MATCH_DISABLED_COMPONENTS, 17196 UserHandle.myUserId()); 17197 if (matches.size() == 1) { 17198 return matches.get(0).getComponentInfo().packageName; 17199 } else { 17200 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17201 + ": matches=" + matches); 17202 return null; 17203 } 17204 } 17205 17206 @Override 17207 public void setApplicationEnabledSetting(String appPackageName, 17208 int newState, int flags, int userId, String callingPackage) { 17209 if (!sUserManager.exists(userId)) return; 17210 if (callingPackage == null) { 17211 callingPackage = Integer.toString(Binder.getCallingUid()); 17212 } 17213 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17214 } 17215 17216 @Override 17217 public void setComponentEnabledSetting(ComponentName componentName, 17218 int newState, int flags, int userId) { 17219 if (!sUserManager.exists(userId)) return; 17220 setEnabledSetting(componentName.getPackageName(), 17221 componentName.getClassName(), newState, flags, userId, null); 17222 } 17223 17224 private void setEnabledSetting(final String packageName, String className, int newState, 17225 final int flags, int userId, String callingPackage) { 17226 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17227 || newState == COMPONENT_ENABLED_STATE_ENABLED 17228 || newState == COMPONENT_ENABLED_STATE_DISABLED 17229 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17230 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17231 throw new IllegalArgumentException("Invalid new component state: " 17232 + newState); 17233 } 17234 PackageSetting pkgSetting; 17235 final int uid = Binder.getCallingUid(); 17236 final int permission; 17237 if (uid == Process.SYSTEM_UID) { 17238 permission = PackageManager.PERMISSION_GRANTED; 17239 } else { 17240 permission = mContext.checkCallingOrSelfPermission( 17241 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17242 } 17243 enforceCrossUserPermission(uid, userId, 17244 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17245 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17246 boolean sendNow = false; 17247 boolean isApp = (className == null); 17248 String componentName = isApp ? packageName : className; 17249 int packageUid = -1; 17250 ArrayList<String> components; 17251 17252 // writer 17253 synchronized (mPackages) { 17254 pkgSetting = mSettings.mPackages.get(packageName); 17255 if (pkgSetting == null) { 17256 if (className == null) { 17257 throw new IllegalArgumentException("Unknown package: " + packageName); 17258 } 17259 throw new IllegalArgumentException( 17260 "Unknown component: " + packageName + "/" + className); 17261 } 17262 // Allow root and verify that userId is not being specified by a different user 17263 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 17264 throw new SecurityException( 17265 "Permission Denial: attempt to change component state from pid=" 17266 + Binder.getCallingPid() 17267 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17268 } 17269 if (className == null) { 17270 // We're dealing with an application/package level state change 17271 if (pkgSetting.getEnabled(userId) == newState) { 17272 // Nothing to do 17273 return; 17274 } 17275 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17276 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17277 // Don't care about who enables an app. 17278 callingPackage = null; 17279 } 17280 pkgSetting.setEnabled(newState, userId, callingPackage); 17281 // pkgSetting.pkg.mSetEnabled = newState; 17282 } else { 17283 // We're dealing with a component level state change 17284 // First, verify that this is a valid class name. 17285 PackageParser.Package pkg = pkgSetting.pkg; 17286 if (pkg == null || !pkg.hasComponentClassName(className)) { 17287 if (pkg != null && 17288 pkg.applicationInfo.targetSdkVersion >= 17289 Build.VERSION_CODES.JELLY_BEAN) { 17290 throw new IllegalArgumentException("Component class " + className 17291 + " does not exist in " + packageName); 17292 } else { 17293 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17294 + className + " does not exist in " + packageName); 17295 } 17296 } 17297 switch (newState) { 17298 case COMPONENT_ENABLED_STATE_ENABLED: 17299 if (!pkgSetting.enableComponentLPw(className, userId)) { 17300 return; 17301 } 17302 break; 17303 case COMPONENT_ENABLED_STATE_DISABLED: 17304 if (!pkgSetting.disableComponentLPw(className, userId)) { 17305 return; 17306 } 17307 break; 17308 case COMPONENT_ENABLED_STATE_DEFAULT: 17309 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17310 return; 17311 } 17312 break; 17313 default: 17314 Slog.e(TAG, "Invalid new component state: " + newState); 17315 return; 17316 } 17317 } 17318 scheduleWritePackageRestrictionsLocked(userId); 17319 components = mPendingBroadcasts.get(userId, packageName); 17320 final boolean newPackage = components == null; 17321 if (newPackage) { 17322 components = new ArrayList<String>(); 17323 } 17324 if (!components.contains(componentName)) { 17325 components.add(componentName); 17326 } 17327 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17328 sendNow = true; 17329 // Purge entry from pending broadcast list if another one exists already 17330 // since we are sending one right away. 17331 mPendingBroadcasts.remove(userId, packageName); 17332 } else { 17333 if (newPackage) { 17334 mPendingBroadcasts.put(userId, packageName, components); 17335 } 17336 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17337 // Schedule a message 17338 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17339 } 17340 } 17341 } 17342 17343 long callingId = Binder.clearCallingIdentity(); 17344 try { 17345 if (sendNow) { 17346 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17347 sendPackageChangedBroadcast(packageName, 17348 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17349 } 17350 } finally { 17351 Binder.restoreCallingIdentity(callingId); 17352 } 17353 } 17354 17355 @Override 17356 public void flushPackageRestrictionsAsUser(int userId) { 17357 if (!sUserManager.exists(userId)) { 17358 return; 17359 } 17360 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17361 false /* checkShell */, "flushPackageRestrictions"); 17362 synchronized (mPackages) { 17363 mSettings.writePackageRestrictionsLPr(userId); 17364 mDirtyUsers.remove(userId); 17365 if (mDirtyUsers.isEmpty()) { 17366 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17367 } 17368 } 17369 } 17370 17371 private void sendPackageChangedBroadcast(String packageName, 17372 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17373 if (DEBUG_INSTALL) 17374 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17375 + componentNames); 17376 Bundle extras = new Bundle(4); 17377 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17378 String nameList[] = new String[componentNames.size()]; 17379 componentNames.toArray(nameList); 17380 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17381 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17382 extras.putInt(Intent.EXTRA_UID, packageUid); 17383 // If this is not reporting a change of the overall package, then only send it 17384 // to registered receivers. We don't want to launch a swath of apps for every 17385 // little component state change. 17386 final int flags = !componentNames.contains(packageName) 17387 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17388 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17389 new int[] {UserHandle.getUserId(packageUid)}); 17390 } 17391 17392 @Override 17393 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17394 if (!sUserManager.exists(userId)) return; 17395 final int uid = Binder.getCallingUid(); 17396 final int permission = mContext.checkCallingOrSelfPermission( 17397 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17398 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17399 enforceCrossUserPermission(uid, userId, 17400 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17401 // writer 17402 synchronized (mPackages) { 17403 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17404 allowedByPermission, uid, userId)) { 17405 scheduleWritePackageRestrictionsLocked(userId); 17406 } 17407 } 17408 } 17409 17410 @Override 17411 public String getInstallerPackageName(String packageName) { 17412 // reader 17413 synchronized (mPackages) { 17414 return mSettings.getInstallerPackageNameLPr(packageName); 17415 } 17416 } 17417 17418 @Override 17419 public int getApplicationEnabledSetting(String packageName, int userId) { 17420 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17421 int uid = Binder.getCallingUid(); 17422 enforceCrossUserPermission(uid, userId, 17423 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17424 // reader 17425 synchronized (mPackages) { 17426 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17427 } 17428 } 17429 17430 @Override 17431 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17432 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17433 int uid = Binder.getCallingUid(); 17434 enforceCrossUserPermission(uid, userId, 17435 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17436 // reader 17437 synchronized (mPackages) { 17438 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17439 } 17440 } 17441 17442 @Override 17443 public void enterSafeMode() { 17444 enforceSystemOrRoot("Only the system can request entering safe mode"); 17445 17446 if (!mSystemReady) { 17447 mSafeMode = true; 17448 } 17449 } 17450 17451 @Override 17452 public void systemReady() { 17453 mSystemReady = true; 17454 17455 // Read the compatibilty setting when the system is ready. 17456 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17457 mContext.getContentResolver(), 17458 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17459 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17460 if (DEBUG_SETTINGS) { 17461 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17462 } 17463 17464 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17465 17466 synchronized (mPackages) { 17467 // Verify that all of the preferred activity components actually 17468 // exist. It is possible for applications to be updated and at 17469 // that point remove a previously declared activity component that 17470 // had been set as a preferred activity. We try to clean this up 17471 // the next time we encounter that preferred activity, but it is 17472 // possible for the user flow to never be able to return to that 17473 // situation so here we do a sanity check to make sure we haven't 17474 // left any junk around. 17475 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17476 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17477 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17478 removed.clear(); 17479 for (PreferredActivity pa : pir.filterSet()) { 17480 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17481 removed.add(pa); 17482 } 17483 } 17484 if (removed.size() > 0) { 17485 for (int r=0; r<removed.size(); r++) { 17486 PreferredActivity pa = removed.get(r); 17487 Slog.w(TAG, "Removing dangling preferred activity: " 17488 + pa.mPref.mComponent); 17489 pir.removeFilter(pa); 17490 } 17491 mSettings.writePackageRestrictionsLPr( 17492 mSettings.mPreferredActivities.keyAt(i)); 17493 } 17494 } 17495 17496 for (int userId : UserManagerService.getInstance().getUserIds()) { 17497 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17498 grantPermissionsUserIds = ArrayUtils.appendInt( 17499 grantPermissionsUserIds, userId); 17500 } 17501 } 17502 } 17503 sUserManager.systemReady(); 17504 17505 // If we upgraded grant all default permissions before kicking off. 17506 for (int userId : grantPermissionsUserIds) { 17507 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17508 } 17509 17510 // Kick off any messages waiting for system ready 17511 if (mPostSystemReadyMessages != null) { 17512 for (Message msg : mPostSystemReadyMessages) { 17513 msg.sendToTarget(); 17514 } 17515 mPostSystemReadyMessages = null; 17516 } 17517 17518 // Watch for external volumes that come and go over time 17519 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17520 storage.registerListener(mStorageListener); 17521 17522 mInstallerService.systemReady(); 17523 mPackageDexOptimizer.systemReady(); 17524 17525 MountServiceInternal mountServiceInternal = LocalServices.getService( 17526 MountServiceInternal.class); 17527 mountServiceInternal.addExternalStoragePolicy( 17528 new MountServiceInternal.ExternalStorageMountPolicy() { 17529 @Override 17530 public int getMountMode(int uid, String packageName) { 17531 if (Process.isIsolated(uid)) { 17532 return Zygote.MOUNT_EXTERNAL_NONE; 17533 } 17534 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17535 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17536 } 17537 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17538 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17539 } 17540 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17541 return Zygote.MOUNT_EXTERNAL_READ; 17542 } 17543 return Zygote.MOUNT_EXTERNAL_WRITE; 17544 } 17545 17546 @Override 17547 public boolean hasExternalStorage(int uid, String packageName) { 17548 return true; 17549 } 17550 }); 17551 17552 // Now that we're mostly running, clean up stale users and apps 17553 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17554 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17555 } 17556 17557 @Override 17558 public boolean isSafeMode() { 17559 return mSafeMode; 17560 } 17561 17562 @Override 17563 public boolean hasSystemUidErrors() { 17564 return mHasSystemUidErrors; 17565 } 17566 17567 static String arrayToString(int[] array) { 17568 StringBuffer buf = new StringBuffer(128); 17569 buf.append('['); 17570 if (array != null) { 17571 for (int i=0; i<array.length; i++) { 17572 if (i > 0) buf.append(", "); 17573 buf.append(array[i]); 17574 } 17575 } 17576 buf.append(']'); 17577 return buf.toString(); 17578 } 17579 17580 static class DumpState { 17581 public static final int DUMP_LIBS = 1 << 0; 17582 public static final int DUMP_FEATURES = 1 << 1; 17583 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17584 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17585 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17586 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17587 public static final int DUMP_PERMISSIONS = 1 << 6; 17588 public static final int DUMP_PACKAGES = 1 << 7; 17589 public static final int DUMP_SHARED_USERS = 1 << 8; 17590 public static final int DUMP_MESSAGES = 1 << 9; 17591 public static final int DUMP_PROVIDERS = 1 << 10; 17592 public static final int DUMP_VERIFIERS = 1 << 11; 17593 public static final int DUMP_PREFERRED = 1 << 12; 17594 public static final int DUMP_PREFERRED_XML = 1 << 13; 17595 public static final int DUMP_KEYSETS = 1 << 14; 17596 public static final int DUMP_VERSION = 1 << 15; 17597 public static final int DUMP_INSTALLS = 1 << 16; 17598 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17599 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17600 public static final int DUMP_FROZEN = 1 << 19; 17601 17602 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17603 17604 private int mTypes; 17605 17606 private int mOptions; 17607 17608 private boolean mTitlePrinted; 17609 17610 private SharedUserSetting mSharedUser; 17611 17612 public boolean isDumping(int type) { 17613 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17614 return true; 17615 } 17616 17617 return (mTypes & type) != 0; 17618 } 17619 17620 public void setDump(int type) { 17621 mTypes |= type; 17622 } 17623 17624 public boolean isOptionEnabled(int option) { 17625 return (mOptions & option) != 0; 17626 } 17627 17628 public void setOptionEnabled(int option) { 17629 mOptions |= option; 17630 } 17631 17632 public boolean onTitlePrinted() { 17633 final boolean printed = mTitlePrinted; 17634 mTitlePrinted = true; 17635 return printed; 17636 } 17637 17638 public boolean getTitlePrinted() { 17639 return mTitlePrinted; 17640 } 17641 17642 public void setTitlePrinted(boolean enabled) { 17643 mTitlePrinted = enabled; 17644 } 17645 17646 public SharedUserSetting getSharedUser() { 17647 return mSharedUser; 17648 } 17649 17650 public void setSharedUser(SharedUserSetting user) { 17651 mSharedUser = user; 17652 } 17653 } 17654 17655 @Override 17656 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17657 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17658 (new PackageManagerShellCommand(this)).exec( 17659 this, in, out, err, args, resultReceiver); 17660 } 17661 17662 @Override 17663 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17664 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17665 != PackageManager.PERMISSION_GRANTED) { 17666 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17667 + Binder.getCallingPid() 17668 + ", uid=" + Binder.getCallingUid() 17669 + " without permission " 17670 + android.Manifest.permission.DUMP); 17671 return; 17672 } 17673 17674 DumpState dumpState = new DumpState(); 17675 boolean fullPreferred = false; 17676 boolean checkin = false; 17677 17678 String packageName = null; 17679 ArraySet<String> permissionNames = null; 17680 17681 int opti = 0; 17682 while (opti < args.length) { 17683 String opt = args[opti]; 17684 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17685 break; 17686 } 17687 opti++; 17688 17689 if ("-a".equals(opt)) { 17690 // Right now we only know how to print all. 17691 } else if ("-h".equals(opt)) { 17692 pw.println("Package manager dump options:"); 17693 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17694 pw.println(" --checkin: dump for a checkin"); 17695 pw.println(" -f: print details of intent filters"); 17696 pw.println(" -h: print this help"); 17697 pw.println(" cmd may be one of:"); 17698 pw.println(" l[ibraries]: list known shared libraries"); 17699 pw.println(" f[eatures]: list device features"); 17700 pw.println(" k[eysets]: print known keysets"); 17701 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17702 pw.println(" perm[issions]: dump permissions"); 17703 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17704 pw.println(" pref[erred]: print preferred package settings"); 17705 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17706 pw.println(" prov[iders]: dump content providers"); 17707 pw.println(" p[ackages]: dump installed packages"); 17708 pw.println(" s[hared-users]: dump shared user IDs"); 17709 pw.println(" m[essages]: print collected runtime messages"); 17710 pw.println(" v[erifiers]: print package verifier info"); 17711 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17712 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17713 pw.println(" version: print database version info"); 17714 pw.println(" write: write current settings now"); 17715 pw.println(" installs: details about install sessions"); 17716 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17717 pw.println(" <package.name>: info about given package"); 17718 return; 17719 } else if ("--checkin".equals(opt)) { 17720 checkin = true; 17721 } else if ("-f".equals(opt)) { 17722 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17723 } else { 17724 pw.println("Unknown argument: " + opt + "; use -h for help"); 17725 } 17726 } 17727 17728 // Is the caller requesting to dump a particular piece of data? 17729 if (opti < args.length) { 17730 String cmd = args[opti]; 17731 opti++; 17732 // Is this a package name? 17733 if ("android".equals(cmd) || cmd.contains(".")) { 17734 packageName = cmd; 17735 // When dumping a single package, we always dump all of its 17736 // filter information since the amount of data will be reasonable. 17737 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17738 } else if ("check-permission".equals(cmd)) { 17739 if (opti >= args.length) { 17740 pw.println("Error: check-permission missing permission argument"); 17741 return; 17742 } 17743 String perm = args[opti]; 17744 opti++; 17745 if (opti >= args.length) { 17746 pw.println("Error: check-permission missing package argument"); 17747 return; 17748 } 17749 String pkg = args[opti]; 17750 opti++; 17751 int user = UserHandle.getUserId(Binder.getCallingUid()); 17752 if (opti < args.length) { 17753 try { 17754 user = Integer.parseInt(args[opti]); 17755 } catch (NumberFormatException e) { 17756 pw.println("Error: check-permission user argument is not a number: " 17757 + args[opti]); 17758 return; 17759 } 17760 } 17761 pw.println(checkPermission(perm, pkg, user)); 17762 return; 17763 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17764 dumpState.setDump(DumpState.DUMP_LIBS); 17765 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17766 dumpState.setDump(DumpState.DUMP_FEATURES); 17767 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17768 if (opti >= args.length) { 17769 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17770 | DumpState.DUMP_SERVICE_RESOLVERS 17771 | DumpState.DUMP_RECEIVER_RESOLVERS 17772 | DumpState.DUMP_CONTENT_RESOLVERS); 17773 } else { 17774 while (opti < args.length) { 17775 String name = args[opti]; 17776 if ("a".equals(name) || "activity".equals(name)) { 17777 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17778 } else if ("s".equals(name) || "service".equals(name)) { 17779 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17780 } else if ("r".equals(name) || "receiver".equals(name)) { 17781 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17782 } else if ("c".equals(name) || "content".equals(name)) { 17783 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17784 } else { 17785 pw.println("Error: unknown resolver table type: " + name); 17786 return; 17787 } 17788 opti++; 17789 } 17790 } 17791 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17792 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17793 } else if ("permission".equals(cmd)) { 17794 if (opti >= args.length) { 17795 pw.println("Error: permission requires permission name"); 17796 return; 17797 } 17798 permissionNames = new ArraySet<>(); 17799 while (opti < args.length) { 17800 permissionNames.add(args[opti]); 17801 opti++; 17802 } 17803 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17804 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17805 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17806 dumpState.setDump(DumpState.DUMP_PREFERRED); 17807 } else if ("preferred-xml".equals(cmd)) { 17808 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17809 if (opti < args.length && "--full".equals(args[opti])) { 17810 fullPreferred = true; 17811 opti++; 17812 } 17813 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17814 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17815 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17816 dumpState.setDump(DumpState.DUMP_PACKAGES); 17817 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17818 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17819 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17820 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17821 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17822 dumpState.setDump(DumpState.DUMP_MESSAGES); 17823 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17824 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17825 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17826 || "intent-filter-verifiers".equals(cmd)) { 17827 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17828 } else if ("version".equals(cmd)) { 17829 dumpState.setDump(DumpState.DUMP_VERSION); 17830 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17831 dumpState.setDump(DumpState.DUMP_KEYSETS); 17832 } else if ("installs".equals(cmd)) { 17833 dumpState.setDump(DumpState.DUMP_INSTALLS); 17834 } else if ("frozen".equals(cmd)) { 17835 dumpState.setDump(DumpState.DUMP_FROZEN); 17836 } else if ("write".equals(cmd)) { 17837 synchronized (mPackages) { 17838 mSettings.writeLPr(); 17839 pw.println("Settings written."); 17840 return; 17841 } 17842 } 17843 } 17844 17845 if (checkin) { 17846 pw.println("vers,1"); 17847 } 17848 17849 // reader 17850 synchronized (mPackages) { 17851 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17852 if (!checkin) { 17853 if (dumpState.onTitlePrinted()) 17854 pw.println(); 17855 pw.println("Database versions:"); 17856 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17857 } 17858 } 17859 17860 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17861 if (!checkin) { 17862 if (dumpState.onTitlePrinted()) 17863 pw.println(); 17864 pw.println("Verifiers:"); 17865 pw.print(" Required: "); 17866 pw.print(mRequiredVerifierPackage); 17867 pw.print(" (uid="); 17868 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17869 UserHandle.USER_SYSTEM)); 17870 pw.println(")"); 17871 } else if (mRequiredVerifierPackage != null) { 17872 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17873 pw.print(","); 17874 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17875 UserHandle.USER_SYSTEM)); 17876 } 17877 } 17878 17879 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17880 packageName == null) { 17881 if (mIntentFilterVerifierComponent != null) { 17882 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17883 if (!checkin) { 17884 if (dumpState.onTitlePrinted()) 17885 pw.println(); 17886 pw.println("Intent Filter Verifier:"); 17887 pw.print(" Using: "); 17888 pw.print(verifierPackageName); 17889 pw.print(" (uid="); 17890 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17891 UserHandle.USER_SYSTEM)); 17892 pw.println(")"); 17893 } else if (verifierPackageName != null) { 17894 pw.print("ifv,"); pw.print(verifierPackageName); 17895 pw.print(","); 17896 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17897 UserHandle.USER_SYSTEM)); 17898 } 17899 } else { 17900 pw.println(); 17901 pw.println("No Intent Filter Verifier available!"); 17902 } 17903 } 17904 17905 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17906 boolean printedHeader = false; 17907 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17908 while (it.hasNext()) { 17909 String name = it.next(); 17910 SharedLibraryEntry ent = mSharedLibraries.get(name); 17911 if (!checkin) { 17912 if (!printedHeader) { 17913 if (dumpState.onTitlePrinted()) 17914 pw.println(); 17915 pw.println("Libraries:"); 17916 printedHeader = true; 17917 } 17918 pw.print(" "); 17919 } else { 17920 pw.print("lib,"); 17921 } 17922 pw.print(name); 17923 if (!checkin) { 17924 pw.print(" -> "); 17925 } 17926 if (ent.path != null) { 17927 if (!checkin) { 17928 pw.print("(jar) "); 17929 pw.print(ent.path); 17930 } else { 17931 pw.print(",jar,"); 17932 pw.print(ent.path); 17933 } 17934 } else { 17935 if (!checkin) { 17936 pw.print("(apk) "); 17937 pw.print(ent.apk); 17938 } else { 17939 pw.print(",apk,"); 17940 pw.print(ent.apk); 17941 } 17942 } 17943 pw.println(); 17944 } 17945 } 17946 17947 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17948 if (dumpState.onTitlePrinted()) 17949 pw.println(); 17950 if (!checkin) { 17951 pw.println("Features:"); 17952 } 17953 17954 for (FeatureInfo feat : mAvailableFeatures.values()) { 17955 if (checkin) { 17956 pw.print("feat,"); 17957 pw.print(feat.name); 17958 pw.print(","); 17959 pw.println(feat.version); 17960 } else { 17961 pw.print(" "); 17962 pw.print(feat.name); 17963 if (feat.version > 0) { 17964 pw.print(" version="); 17965 pw.print(feat.version); 17966 } 17967 pw.println(); 17968 } 17969 } 17970 } 17971 17972 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17973 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17974 : "Activity Resolver Table:", " ", packageName, 17975 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17976 dumpState.setTitlePrinted(true); 17977 } 17978 } 17979 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17980 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17981 : "Receiver Resolver Table:", " ", packageName, 17982 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17983 dumpState.setTitlePrinted(true); 17984 } 17985 } 17986 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17987 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17988 : "Service Resolver Table:", " ", packageName, 17989 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17990 dumpState.setTitlePrinted(true); 17991 } 17992 } 17993 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17994 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17995 : "Provider Resolver Table:", " ", packageName, 17996 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17997 dumpState.setTitlePrinted(true); 17998 } 17999 } 18000 18001 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18002 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18003 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18004 int user = mSettings.mPreferredActivities.keyAt(i); 18005 if (pir.dump(pw, 18006 dumpState.getTitlePrinted() 18007 ? "\nPreferred Activities User " + user + ":" 18008 : "Preferred Activities User " + user + ":", " ", 18009 packageName, true, false)) { 18010 dumpState.setTitlePrinted(true); 18011 } 18012 } 18013 } 18014 18015 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18016 pw.flush(); 18017 FileOutputStream fout = new FileOutputStream(fd); 18018 BufferedOutputStream str = new BufferedOutputStream(fout); 18019 XmlSerializer serializer = new FastXmlSerializer(); 18020 try { 18021 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18022 serializer.startDocument(null, true); 18023 serializer.setFeature( 18024 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18025 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18026 serializer.endDocument(); 18027 serializer.flush(); 18028 } catch (IllegalArgumentException e) { 18029 pw.println("Failed writing: " + e); 18030 } catch (IllegalStateException e) { 18031 pw.println("Failed writing: " + e); 18032 } catch (IOException e) { 18033 pw.println("Failed writing: " + e); 18034 } 18035 } 18036 18037 if (!checkin 18038 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18039 && packageName == null) { 18040 pw.println(); 18041 int count = mSettings.mPackages.size(); 18042 if (count == 0) { 18043 pw.println("No applications!"); 18044 pw.println(); 18045 } else { 18046 final String prefix = " "; 18047 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18048 if (allPackageSettings.size() == 0) { 18049 pw.println("No domain preferred apps!"); 18050 pw.println(); 18051 } else { 18052 pw.println("App verification status:"); 18053 pw.println(); 18054 count = 0; 18055 for (PackageSetting ps : allPackageSettings) { 18056 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18057 if (ivi == null || ivi.getPackageName() == null) continue; 18058 pw.println(prefix + "Package: " + ivi.getPackageName()); 18059 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18060 pw.println(prefix + "Status: " + ivi.getStatusString()); 18061 pw.println(); 18062 count++; 18063 } 18064 if (count == 0) { 18065 pw.println(prefix + "No app verification established."); 18066 pw.println(); 18067 } 18068 for (int userId : sUserManager.getUserIds()) { 18069 pw.println("App linkages for user " + userId + ":"); 18070 pw.println(); 18071 count = 0; 18072 for (PackageSetting ps : allPackageSettings) { 18073 final long status = ps.getDomainVerificationStatusForUser(userId); 18074 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18075 continue; 18076 } 18077 pw.println(prefix + "Package: " + ps.name); 18078 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18079 String statusStr = IntentFilterVerificationInfo. 18080 getStatusStringFromValue(status); 18081 pw.println(prefix + "Status: " + statusStr); 18082 pw.println(); 18083 count++; 18084 } 18085 if (count == 0) { 18086 pw.println(prefix + "No configured app linkages."); 18087 pw.println(); 18088 } 18089 } 18090 } 18091 } 18092 } 18093 18094 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18095 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18096 if (packageName == null && permissionNames == null) { 18097 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18098 if (iperm == 0) { 18099 if (dumpState.onTitlePrinted()) 18100 pw.println(); 18101 pw.println("AppOp Permissions:"); 18102 } 18103 pw.print(" AppOp Permission "); 18104 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18105 pw.println(":"); 18106 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18107 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18108 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18109 } 18110 } 18111 } 18112 } 18113 18114 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18115 boolean printedSomething = false; 18116 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18117 if (packageName != null && !packageName.equals(p.info.packageName)) { 18118 continue; 18119 } 18120 if (!printedSomething) { 18121 if (dumpState.onTitlePrinted()) 18122 pw.println(); 18123 pw.println("Registered ContentProviders:"); 18124 printedSomething = true; 18125 } 18126 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18127 pw.print(" "); pw.println(p.toString()); 18128 } 18129 printedSomething = false; 18130 for (Map.Entry<String, PackageParser.Provider> entry : 18131 mProvidersByAuthority.entrySet()) { 18132 PackageParser.Provider p = entry.getValue(); 18133 if (packageName != null && !packageName.equals(p.info.packageName)) { 18134 continue; 18135 } 18136 if (!printedSomething) { 18137 if (dumpState.onTitlePrinted()) 18138 pw.println(); 18139 pw.println("ContentProvider Authorities:"); 18140 printedSomething = true; 18141 } 18142 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18143 pw.print(" "); pw.println(p.toString()); 18144 if (p.info != null && p.info.applicationInfo != null) { 18145 final String appInfo = p.info.applicationInfo.toString(); 18146 pw.print(" applicationInfo="); pw.println(appInfo); 18147 } 18148 } 18149 } 18150 18151 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18152 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18153 } 18154 18155 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18156 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18157 } 18158 18159 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18160 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18161 } 18162 18163 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18164 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18165 } 18166 18167 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18168 // XXX should handle packageName != null by dumping only install data that 18169 // the given package is involved with. 18170 if (dumpState.onTitlePrinted()) pw.println(); 18171 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18172 } 18173 18174 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18175 // XXX should handle packageName != null by dumping only install data that 18176 // the given package is involved with. 18177 if (dumpState.onTitlePrinted()) pw.println(); 18178 18179 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18180 ipw.println(); 18181 ipw.println("Frozen packages:"); 18182 ipw.increaseIndent(); 18183 if (mFrozenPackages.size() == 0) { 18184 ipw.println("(none)"); 18185 } else { 18186 for (int i = 0; i < mFrozenPackages.size(); i++) { 18187 ipw.println(mFrozenPackages.valueAt(i)); 18188 } 18189 } 18190 ipw.decreaseIndent(); 18191 } 18192 18193 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18194 if (dumpState.onTitlePrinted()) pw.println(); 18195 mSettings.dumpReadMessagesLPr(pw, dumpState); 18196 18197 pw.println(); 18198 pw.println("Package warning messages:"); 18199 BufferedReader in = null; 18200 String line = null; 18201 try { 18202 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18203 while ((line = in.readLine()) != null) { 18204 if (line.contains("ignored: updated version")) continue; 18205 pw.println(line); 18206 } 18207 } catch (IOException ignored) { 18208 } finally { 18209 IoUtils.closeQuietly(in); 18210 } 18211 } 18212 18213 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18214 BufferedReader in = null; 18215 String line = null; 18216 try { 18217 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18218 while ((line = in.readLine()) != null) { 18219 if (line.contains("ignored: updated version")) continue; 18220 pw.print("msg,"); 18221 pw.println(line); 18222 } 18223 } catch (IOException ignored) { 18224 } finally { 18225 IoUtils.closeQuietly(in); 18226 } 18227 } 18228 } 18229 } 18230 18231 private String dumpDomainString(String packageName) { 18232 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18233 .getList(); 18234 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18235 18236 ArraySet<String> result = new ArraySet<>(); 18237 if (iviList.size() > 0) { 18238 for (IntentFilterVerificationInfo ivi : iviList) { 18239 for (String host : ivi.getDomains()) { 18240 result.add(host); 18241 } 18242 } 18243 } 18244 if (filters != null && filters.size() > 0) { 18245 for (IntentFilter filter : filters) { 18246 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18247 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18248 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18249 result.addAll(filter.getHostsList()); 18250 } 18251 } 18252 } 18253 18254 StringBuilder sb = new StringBuilder(result.size() * 16); 18255 for (String domain : result) { 18256 if (sb.length() > 0) sb.append(" "); 18257 sb.append(domain); 18258 } 18259 return sb.toString(); 18260 } 18261 18262 // ------- apps on sdcard specific code ------- 18263 static final boolean DEBUG_SD_INSTALL = false; 18264 18265 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18266 18267 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18268 18269 private boolean mMediaMounted = false; 18270 18271 static String getEncryptKey() { 18272 try { 18273 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18274 SD_ENCRYPTION_KEYSTORE_NAME); 18275 if (sdEncKey == null) { 18276 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18277 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18278 if (sdEncKey == null) { 18279 Slog.e(TAG, "Failed to create encryption keys"); 18280 return null; 18281 } 18282 } 18283 return sdEncKey; 18284 } catch (NoSuchAlgorithmException nsae) { 18285 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18286 return null; 18287 } catch (IOException ioe) { 18288 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18289 return null; 18290 } 18291 } 18292 18293 /* 18294 * Update media status on PackageManager. 18295 */ 18296 @Override 18297 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18298 int callingUid = Binder.getCallingUid(); 18299 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18300 throw new SecurityException("Media status can only be updated by the system"); 18301 } 18302 // reader; this apparently protects mMediaMounted, but should probably 18303 // be a different lock in that case. 18304 synchronized (mPackages) { 18305 Log.i(TAG, "Updating external media status from " 18306 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18307 + (mediaStatus ? "mounted" : "unmounted")); 18308 if (DEBUG_SD_INSTALL) 18309 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18310 + ", mMediaMounted=" + mMediaMounted); 18311 if (mediaStatus == mMediaMounted) { 18312 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18313 : 0, -1); 18314 mHandler.sendMessage(msg); 18315 return; 18316 } 18317 mMediaMounted = mediaStatus; 18318 } 18319 // Queue up an async operation since the package installation may take a 18320 // little while. 18321 mHandler.post(new Runnable() { 18322 public void run() { 18323 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18324 } 18325 }); 18326 } 18327 18328 /** 18329 * Called by MountService when the initial ASECs to scan are available. 18330 * Should block until all the ASEC containers are finished being scanned. 18331 */ 18332 public void scanAvailableAsecs() { 18333 updateExternalMediaStatusInner(true, false, false); 18334 } 18335 18336 /* 18337 * Collect information of applications on external media, map them against 18338 * existing containers and update information based on current mount status. 18339 * Please note that we always have to report status if reportStatus has been 18340 * set to true especially when unloading packages. 18341 */ 18342 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18343 boolean externalStorage) { 18344 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18345 int[] uidArr = EmptyArray.INT; 18346 18347 final String[] list = PackageHelper.getSecureContainerList(); 18348 if (ArrayUtils.isEmpty(list)) { 18349 Log.i(TAG, "No secure containers found"); 18350 } else { 18351 // Process list of secure containers and categorize them 18352 // as active or stale based on their package internal state. 18353 18354 // reader 18355 synchronized (mPackages) { 18356 for (String cid : list) { 18357 // Leave stages untouched for now; installer service owns them 18358 if (PackageInstallerService.isStageName(cid)) continue; 18359 18360 if (DEBUG_SD_INSTALL) 18361 Log.i(TAG, "Processing container " + cid); 18362 String pkgName = getAsecPackageName(cid); 18363 if (pkgName == null) { 18364 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18365 continue; 18366 } 18367 if (DEBUG_SD_INSTALL) 18368 Log.i(TAG, "Looking for pkg : " + pkgName); 18369 18370 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18371 if (ps == null) { 18372 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18373 continue; 18374 } 18375 18376 /* 18377 * Skip packages that are not external if we're unmounting 18378 * external storage. 18379 */ 18380 if (externalStorage && !isMounted && !isExternal(ps)) { 18381 continue; 18382 } 18383 18384 final AsecInstallArgs args = new AsecInstallArgs(cid, 18385 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18386 // The package status is changed only if the code path 18387 // matches between settings and the container id. 18388 if (ps.codePathString != null 18389 && ps.codePathString.startsWith(args.getCodePath())) { 18390 if (DEBUG_SD_INSTALL) { 18391 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18392 + " at code path: " + ps.codePathString); 18393 } 18394 18395 // We do have a valid package installed on sdcard 18396 processCids.put(args, ps.codePathString); 18397 final int uid = ps.appId; 18398 if (uid != -1) { 18399 uidArr = ArrayUtils.appendInt(uidArr, uid); 18400 } 18401 } else { 18402 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18403 + ps.codePathString); 18404 } 18405 } 18406 } 18407 18408 Arrays.sort(uidArr); 18409 } 18410 18411 // Process packages with valid entries. 18412 if (isMounted) { 18413 if (DEBUG_SD_INSTALL) 18414 Log.i(TAG, "Loading packages"); 18415 loadMediaPackages(processCids, uidArr, externalStorage); 18416 startCleaningPackages(); 18417 mInstallerService.onSecureContainersAvailable(); 18418 } else { 18419 if (DEBUG_SD_INSTALL) 18420 Log.i(TAG, "Unloading packages"); 18421 unloadMediaPackages(processCids, uidArr, reportStatus); 18422 } 18423 } 18424 18425 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18426 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18427 final int size = infos.size(); 18428 final String[] packageNames = new String[size]; 18429 final int[] packageUids = new int[size]; 18430 for (int i = 0; i < size; i++) { 18431 final ApplicationInfo info = infos.get(i); 18432 packageNames[i] = info.packageName; 18433 packageUids[i] = info.uid; 18434 } 18435 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18436 finishedReceiver); 18437 } 18438 18439 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18440 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18441 sendResourcesChangedBroadcast(mediaStatus, replacing, 18442 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18443 } 18444 18445 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18446 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18447 int size = pkgList.length; 18448 if (size > 0) { 18449 // Send broadcasts here 18450 Bundle extras = new Bundle(); 18451 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18452 if (uidArr != null) { 18453 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18454 } 18455 if (replacing) { 18456 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18457 } 18458 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18459 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18460 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18461 } 18462 } 18463 18464 /* 18465 * Look at potentially valid container ids from processCids If package 18466 * information doesn't match the one on record or package scanning fails, 18467 * the cid is added to list of removeCids. We currently don't delete stale 18468 * containers. 18469 */ 18470 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18471 boolean externalStorage) { 18472 ArrayList<String> pkgList = new ArrayList<String>(); 18473 Set<AsecInstallArgs> keys = processCids.keySet(); 18474 18475 for (AsecInstallArgs args : keys) { 18476 String codePath = processCids.get(args); 18477 if (DEBUG_SD_INSTALL) 18478 Log.i(TAG, "Loading container : " + args.cid); 18479 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18480 try { 18481 // Make sure there are no container errors first. 18482 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18483 Slog.e(TAG, "Failed to mount cid : " + args.cid 18484 + " when installing from sdcard"); 18485 continue; 18486 } 18487 // Check code path here. 18488 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18489 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18490 + " does not match one in settings " + codePath); 18491 continue; 18492 } 18493 // Parse package 18494 int parseFlags = mDefParseFlags; 18495 if (args.isExternalAsec()) { 18496 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18497 } 18498 if (args.isFwdLocked()) { 18499 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18500 } 18501 18502 synchronized (mInstallLock) { 18503 PackageParser.Package pkg = null; 18504 try { 18505 // Sadly we don't know the package name yet to freeze it 18506 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18507 SCAN_IGNORE_FROZEN, 0, null); 18508 } catch (PackageManagerException e) { 18509 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18510 } 18511 // Scan the package 18512 if (pkg != null) { 18513 /* 18514 * TODO why is the lock being held? doPostInstall is 18515 * called in other places without the lock. This needs 18516 * to be straightened out. 18517 */ 18518 // writer 18519 synchronized (mPackages) { 18520 retCode = PackageManager.INSTALL_SUCCEEDED; 18521 pkgList.add(pkg.packageName); 18522 // Post process args 18523 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18524 pkg.applicationInfo.uid); 18525 } 18526 } else { 18527 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18528 } 18529 } 18530 18531 } finally { 18532 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18533 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18534 } 18535 } 18536 } 18537 // writer 18538 synchronized (mPackages) { 18539 // If the platform SDK has changed since the last time we booted, 18540 // we need to re-grant app permission to catch any new ones that 18541 // appear. This is really a hack, and means that apps can in some 18542 // cases get permissions that the user didn't initially explicitly 18543 // allow... it would be nice to have some better way to handle 18544 // this situation. 18545 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18546 : mSettings.getInternalVersion(); 18547 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18548 : StorageManager.UUID_PRIVATE_INTERNAL; 18549 18550 int updateFlags = UPDATE_PERMISSIONS_ALL; 18551 if (ver.sdkVersion != mSdkVersion) { 18552 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18553 + mSdkVersion + "; regranting permissions for external"); 18554 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18555 } 18556 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18557 18558 // Yay, everything is now upgraded 18559 ver.forceCurrent(); 18560 18561 // can downgrade to reader 18562 // Persist settings 18563 mSettings.writeLPr(); 18564 } 18565 // Send a broadcast to let everyone know we are done processing 18566 if (pkgList.size() > 0) { 18567 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18568 } 18569 } 18570 18571 /* 18572 * Utility method to unload a list of specified containers 18573 */ 18574 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18575 // Just unmount all valid containers. 18576 for (AsecInstallArgs arg : cidArgs) { 18577 synchronized (mInstallLock) { 18578 arg.doPostDeleteLI(false); 18579 } 18580 } 18581 } 18582 18583 /* 18584 * Unload packages mounted on external media. This involves deleting package 18585 * data from internal structures, sending broadcasts about disabled packages, 18586 * gc'ing to free up references, unmounting all secure containers 18587 * corresponding to packages on external media, and posting a 18588 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18589 * that we always have to post this message if status has been requested no 18590 * matter what. 18591 */ 18592 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18593 final boolean reportStatus) { 18594 if (DEBUG_SD_INSTALL) 18595 Log.i(TAG, "unloading media packages"); 18596 ArrayList<String> pkgList = new ArrayList<String>(); 18597 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18598 final Set<AsecInstallArgs> keys = processCids.keySet(); 18599 for (AsecInstallArgs args : keys) { 18600 String pkgName = args.getPackageName(); 18601 if (DEBUG_SD_INSTALL) 18602 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18603 // Delete package internally 18604 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18605 synchronized (mInstallLock) { 18606 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18607 final boolean res; 18608 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 18609 "unloadMediaPackages")) { 18610 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 18611 null); 18612 } 18613 if (res) { 18614 pkgList.add(pkgName); 18615 } else { 18616 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18617 failedList.add(args); 18618 } 18619 } 18620 } 18621 18622 // reader 18623 synchronized (mPackages) { 18624 // We didn't update the settings after removing each package; 18625 // write them now for all packages. 18626 mSettings.writeLPr(); 18627 } 18628 18629 // We have to absolutely send UPDATED_MEDIA_STATUS only 18630 // after confirming that all the receivers processed the ordered 18631 // broadcast when packages get disabled, force a gc to clean things up. 18632 // and unload all the containers. 18633 if (pkgList.size() > 0) { 18634 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18635 new IIntentReceiver.Stub() { 18636 public void performReceive(Intent intent, int resultCode, String data, 18637 Bundle extras, boolean ordered, boolean sticky, 18638 int sendingUser) throws RemoteException { 18639 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18640 reportStatus ? 1 : 0, 1, keys); 18641 mHandler.sendMessage(msg); 18642 } 18643 }); 18644 } else { 18645 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18646 keys); 18647 mHandler.sendMessage(msg); 18648 } 18649 } 18650 18651 private void loadPrivatePackages(final VolumeInfo vol) { 18652 mHandler.post(new Runnable() { 18653 @Override 18654 public void run() { 18655 loadPrivatePackagesInner(vol); 18656 } 18657 }); 18658 } 18659 18660 private void loadPrivatePackagesInner(VolumeInfo vol) { 18661 final String volumeUuid = vol.fsUuid; 18662 if (TextUtils.isEmpty(volumeUuid)) { 18663 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18664 return; 18665 } 18666 18667 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 18668 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18669 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18670 18671 final VersionInfo ver; 18672 final List<PackageSetting> packages; 18673 synchronized (mPackages) { 18674 ver = mSettings.findOrCreateVersion(volumeUuid); 18675 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18676 } 18677 18678 for (PackageSetting ps : packages) { 18679 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 18680 synchronized (mInstallLock) { 18681 final PackageParser.Package pkg; 18682 try { 18683 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18684 loaded.add(pkg.applicationInfo); 18685 18686 } catch (PackageManagerException e) { 18687 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18688 } 18689 18690 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18691 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 18692 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 18693 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18694 } 18695 } 18696 } 18697 18698 // Reconcile app data for all started/unlocked users 18699 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18700 final UserManager um = mContext.getSystemService(UserManager.class); 18701 for (UserInfo user : um.getUsers()) { 18702 final int flags; 18703 if (um.isUserUnlockingOrUnlocked(user.id)) { 18704 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18705 } else if (um.isUserRunning(user.id)) { 18706 flags = StorageManager.FLAG_STORAGE_DE; 18707 } else { 18708 continue; 18709 } 18710 18711 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18712 synchronized (mInstallLock) { 18713 reconcileAppsDataLI(volumeUuid, user.id, flags); 18714 } 18715 } 18716 18717 synchronized (mPackages) { 18718 int updateFlags = UPDATE_PERMISSIONS_ALL; 18719 if (ver.sdkVersion != mSdkVersion) { 18720 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18721 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18722 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18723 } 18724 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18725 18726 // Yay, everything is now upgraded 18727 ver.forceCurrent(); 18728 18729 mSettings.writeLPr(); 18730 } 18731 18732 for (PackageFreezer freezer : freezers) { 18733 freezer.close(); 18734 } 18735 18736 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18737 sendResourcesChangedBroadcast(true, false, loaded, null); 18738 } 18739 18740 private void unloadPrivatePackages(final VolumeInfo vol) { 18741 mHandler.post(new Runnable() { 18742 @Override 18743 public void run() { 18744 unloadPrivatePackagesInner(vol); 18745 } 18746 }); 18747 } 18748 18749 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18750 final String volumeUuid = vol.fsUuid; 18751 if (TextUtils.isEmpty(volumeUuid)) { 18752 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18753 return; 18754 } 18755 18756 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18757 synchronized (mInstallLock) { 18758 synchronized (mPackages) { 18759 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18760 for (PackageSetting ps : packages) { 18761 if (ps.pkg == null) continue; 18762 18763 final ApplicationInfo info = ps.pkg.applicationInfo; 18764 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18765 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18766 18767 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 18768 "unloadPrivatePackagesInner")) { 18769 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 18770 false, null)) { 18771 unloaded.add(info); 18772 } else { 18773 Slog.w(TAG, "Failed to unload " + ps.codePath); 18774 } 18775 } 18776 } 18777 18778 mSettings.writeLPr(); 18779 } 18780 } 18781 18782 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18783 sendResourcesChangedBroadcast(false, false, unloaded, null); 18784 } 18785 18786 /** 18787 * Prepare storage areas for given user on all mounted devices. 18788 */ 18789 void prepareUserData(int userId, int userSerial, int flags) { 18790 synchronized (mInstallLock) { 18791 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18792 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18793 final String volumeUuid = vol.getFsUuid(); 18794 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 18795 } 18796 } 18797 } 18798 18799 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 18800 boolean allowRecover) { 18801 // Prepare storage and verify that serial numbers are consistent; if 18802 // there's a mismatch we need to destroy to avoid leaking data 18803 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18804 try { 18805 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 18806 18807 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 18808 UserManagerService.enforceSerialNumber( 18809 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 18810 } 18811 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 18812 UserManagerService.enforceSerialNumber( 18813 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 18814 } 18815 18816 synchronized (mInstallLock) { 18817 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 18818 } 18819 } catch (Exception e) { 18820 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 18821 + " because we failed to prepare: " + e); 18822 destroyUserDataLI(volumeUuid, userId, 18823 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18824 18825 if (allowRecover) { 18826 // Try one last time; if we fail again we're really in trouble 18827 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 18828 } 18829 } 18830 } 18831 18832 /** 18833 * Destroy storage areas for given user on all mounted devices. 18834 */ 18835 void destroyUserData(int userId, int flags) { 18836 synchronized (mInstallLock) { 18837 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18838 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18839 final String volumeUuid = vol.getFsUuid(); 18840 destroyUserDataLI(volumeUuid, userId, flags); 18841 } 18842 } 18843 } 18844 18845 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 18846 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18847 try { 18848 // Clean up app data, profile data, and media data 18849 mInstaller.destroyUserData(volumeUuid, userId, flags); 18850 18851 // Clean up system data 18852 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 18853 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18854 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 18855 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 18856 } 18857 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18858 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 18859 } 18860 } 18861 18862 // Data with special labels is now gone, so finish the job 18863 storage.destroyUserStorage(volumeUuid, userId, flags); 18864 18865 } catch (Exception e) { 18866 logCriticalInfo(Log.WARN, 18867 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 18868 } 18869 } 18870 18871 /** 18872 * Examine all users present on given mounted volume, and destroy data 18873 * belonging to users that are no longer valid, or whose user ID has been 18874 * recycled. 18875 */ 18876 private void reconcileUsers(String volumeUuid) { 18877 final List<File> files = new ArrayList<>(); 18878 Collections.addAll(files, FileUtils 18879 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 18880 Collections.addAll(files, FileUtils 18881 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 18882 for (File file : files) { 18883 if (!file.isDirectory()) continue; 18884 18885 final int userId; 18886 final UserInfo info; 18887 try { 18888 userId = Integer.parseInt(file.getName()); 18889 info = sUserManager.getUserInfo(userId); 18890 } catch (NumberFormatException e) { 18891 Slog.w(TAG, "Invalid user directory " + file); 18892 continue; 18893 } 18894 18895 boolean destroyUser = false; 18896 if (info == null) { 18897 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18898 + " because no matching user was found"); 18899 destroyUser = true; 18900 } else if (!mOnlyCore) { 18901 try { 18902 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18903 } catch (IOException e) { 18904 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18905 + " because we failed to enforce serial number: " + e); 18906 destroyUser = true; 18907 } 18908 } 18909 18910 if (destroyUser) { 18911 synchronized (mInstallLock) { 18912 destroyUserDataLI(volumeUuid, userId, 18913 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18914 } 18915 } 18916 } 18917 } 18918 18919 private void assertPackageKnown(String volumeUuid, String packageName) 18920 throws PackageManagerException { 18921 synchronized (mPackages) { 18922 final PackageSetting ps = mSettings.mPackages.get(packageName); 18923 if (ps == null) { 18924 throw new PackageManagerException("Package " + packageName + " is unknown"); 18925 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18926 throw new PackageManagerException( 18927 "Package " + packageName + " found on unknown volume " + volumeUuid 18928 + "; expected volume " + ps.volumeUuid); 18929 } 18930 } 18931 } 18932 18933 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18934 throws PackageManagerException { 18935 synchronized (mPackages) { 18936 final PackageSetting ps = mSettings.mPackages.get(packageName); 18937 if (ps == null) { 18938 throw new PackageManagerException("Package " + packageName + " is unknown"); 18939 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18940 throw new PackageManagerException( 18941 "Package " + packageName + " found on unknown volume " + volumeUuid 18942 + "; expected volume " + ps.volumeUuid); 18943 } else if (!ps.getInstalled(userId)) { 18944 throw new PackageManagerException( 18945 "Package " + packageName + " not installed for user " + userId); 18946 } 18947 } 18948 } 18949 18950 /** 18951 * Examine all apps present on given mounted volume, and destroy apps that 18952 * aren't expected, either due to uninstallation or reinstallation on 18953 * another volume. 18954 */ 18955 private void reconcileApps(String volumeUuid) { 18956 final File[] files = FileUtils 18957 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18958 for (File file : files) { 18959 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18960 && !PackageInstallerService.isStageName(file.getName()); 18961 if (!isPackage) { 18962 // Ignore entries which are not packages 18963 continue; 18964 } 18965 18966 try { 18967 final PackageLite pkg = PackageParser.parsePackageLite(file, 18968 PackageParser.PARSE_MUST_BE_APK); 18969 assertPackageKnown(volumeUuid, pkg.packageName); 18970 18971 } catch (PackageParserException | PackageManagerException e) { 18972 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18973 synchronized (mInstallLock) { 18974 removeCodePathLI(file); 18975 } 18976 } 18977 } 18978 } 18979 18980 /** 18981 * Reconcile all app data for the given user. 18982 * <p> 18983 * Verifies that directories exist and that ownership and labeling is 18984 * correct for all installed apps on all mounted volumes. 18985 */ 18986 void reconcileAppsData(int userId, int flags) { 18987 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18988 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18989 final String volumeUuid = vol.getFsUuid(); 18990 synchronized (mInstallLock) { 18991 reconcileAppsDataLI(volumeUuid, userId, flags); 18992 } 18993 } 18994 } 18995 18996 /** 18997 * Reconcile all app data on given mounted volume. 18998 * <p> 18999 * Destroys app data that isn't expected, either due to uninstallation or 19000 * reinstallation on another volume. 19001 * <p> 19002 * Verifies that directories exist and that ownership and labeling is 19003 * correct for all installed apps. 19004 */ 19005 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19006 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19007 + Integer.toHexString(flags)); 19008 19009 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19010 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19011 19012 boolean restoreconNeeded = false; 19013 19014 // First look for stale data that doesn't belong, and check if things 19015 // have changed since we did our last restorecon 19016 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19017 if (!StorageManager.isUserKeyUnlocked(userId)) { 19018 throw new RuntimeException( 19019 "Yikes, someone asked us to reconcile CE storage while " + userId 19020 + " was still locked; this would have caused massive data loss!"); 19021 } 19022 19023 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19024 19025 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19026 for (File file : files) { 19027 final String packageName = file.getName(); 19028 try { 19029 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19030 } catch (PackageManagerException e) { 19031 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19032 try { 19033 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19034 StorageManager.FLAG_STORAGE_CE, 0); 19035 } catch (InstallerException e2) { 19036 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19037 } 19038 } 19039 } 19040 } 19041 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19042 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19043 19044 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19045 for (File file : files) { 19046 final String packageName = file.getName(); 19047 try { 19048 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19049 } catch (PackageManagerException e) { 19050 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19051 try { 19052 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19053 StorageManager.FLAG_STORAGE_DE, 0); 19054 } catch (InstallerException e2) { 19055 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19056 } 19057 } 19058 } 19059 } 19060 19061 // Ensure that data directories are ready to roll for all packages 19062 // installed for this volume and user 19063 final List<PackageSetting> packages; 19064 synchronized (mPackages) { 19065 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19066 } 19067 int preparedCount = 0; 19068 for (PackageSetting ps : packages) { 19069 final String packageName = ps.name; 19070 if (ps.pkg == null) { 19071 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19072 // TODO: might be due to legacy ASEC apps; we should circle back 19073 // and reconcile again once they're scanned 19074 continue; 19075 } 19076 19077 if (ps.getInstalled(userId)) { 19078 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19079 19080 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19081 // We may have just shuffled around app data directories, so 19082 // prepare them one more time 19083 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19084 } 19085 19086 preparedCount++; 19087 } 19088 } 19089 19090 if (restoreconNeeded) { 19091 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19092 SELinuxMMAC.setRestoreconDone(ceDir); 19093 } 19094 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19095 SELinuxMMAC.setRestoreconDone(deDir); 19096 } 19097 } 19098 19099 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19100 + " packages; restoreconNeeded was " + restoreconNeeded); 19101 } 19102 19103 /** 19104 * Prepare app data for the given app just after it was installed or 19105 * upgraded. This method carefully only touches users that it's installed 19106 * for, and it forces a restorecon to handle any seinfo changes. 19107 * <p> 19108 * Verifies that directories exist and that ownership and labeling is 19109 * correct for all installed apps. If there is an ownership mismatch, it 19110 * will try recovering system apps by wiping data; third-party app data is 19111 * left intact. 19112 * <p> 19113 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19114 */ 19115 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19116 final PackageSetting ps; 19117 synchronized (mPackages) { 19118 ps = mSettings.mPackages.get(pkg.packageName); 19119 mSettings.writeKernelMappingLPr(ps); 19120 } 19121 19122 final UserManager um = mContext.getSystemService(UserManager.class); 19123 for (UserInfo user : um.getUsers()) { 19124 final int flags; 19125 if (um.isUserUnlockingOrUnlocked(user.id)) { 19126 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19127 } else if (um.isUserRunning(user.id)) { 19128 flags = StorageManager.FLAG_STORAGE_DE; 19129 } else { 19130 continue; 19131 } 19132 19133 if (ps.getInstalled(user.id)) { 19134 // Whenever an app changes, force a restorecon of its data 19135 // TODO: when user data is locked, mark that we're still dirty 19136 prepareAppDataLIF(pkg, user.id, flags, true); 19137 } 19138 } 19139 } 19140 19141 /** 19142 * Prepare app data for the given app. 19143 * <p> 19144 * Verifies that directories exist and that ownership and labeling is 19145 * correct for all installed apps. If there is an ownership mismatch, this 19146 * will try recovering system apps by wiping data; third-party app data is 19147 * left intact. 19148 */ 19149 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19150 boolean restoreconNeeded) { 19151 if (pkg == null) { 19152 Slog.wtf(TAG, "Package was null!", new Throwable()); 19153 return; 19154 } 19155 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19156 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19157 for (int i = 0; i < childCount; i++) { 19158 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19159 } 19160 } 19161 19162 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19163 boolean restoreconNeeded) { 19164 if (DEBUG_APP_DATA) { 19165 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19166 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19167 } 19168 19169 final String volumeUuid = pkg.volumeUuid; 19170 final String packageName = pkg.packageName; 19171 final ApplicationInfo app = pkg.applicationInfo; 19172 final int appId = UserHandle.getAppId(app.uid); 19173 19174 Preconditions.checkNotNull(app.seinfo); 19175 19176 try { 19177 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19178 appId, app.seinfo, app.targetSdkVersion); 19179 } catch (InstallerException e) { 19180 if (app.isSystemApp()) { 19181 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19182 + ", but trying to recover: " + e); 19183 destroyAppDataLeafLIF(pkg, userId, flags); 19184 try { 19185 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19186 appId, app.seinfo, app.targetSdkVersion); 19187 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19188 } catch (InstallerException e2) { 19189 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19190 } 19191 } else { 19192 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19193 } 19194 } 19195 19196 if (restoreconNeeded) { 19197 try { 19198 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19199 app.seinfo); 19200 } catch (InstallerException e) { 19201 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19202 } 19203 } 19204 19205 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19206 try { 19207 // CE storage is unlocked right now, so read out the inode and 19208 // remember for use later when it's locked 19209 // TODO: mark this structure as dirty so we persist it! 19210 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19211 StorageManager.FLAG_STORAGE_CE); 19212 synchronized (mPackages) { 19213 final PackageSetting ps = mSettings.mPackages.get(packageName); 19214 if (ps != null) { 19215 ps.setCeDataInode(ceDataInode, userId); 19216 } 19217 } 19218 } catch (InstallerException e) { 19219 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19220 } 19221 } 19222 19223 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19224 } 19225 19226 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19227 if (pkg == null) { 19228 Slog.wtf(TAG, "Package was null!", new Throwable()); 19229 return; 19230 } 19231 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19232 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19233 for (int i = 0; i < childCount; i++) { 19234 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19235 } 19236 } 19237 19238 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19239 final String volumeUuid = pkg.volumeUuid; 19240 final String packageName = pkg.packageName; 19241 final ApplicationInfo app = pkg.applicationInfo; 19242 19243 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19244 // Create a native library symlink only if we have native libraries 19245 // and if the native libraries are 32 bit libraries. We do not provide 19246 // this symlink for 64 bit libraries. 19247 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19248 final String nativeLibPath = app.nativeLibraryDir; 19249 try { 19250 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19251 nativeLibPath, userId); 19252 } catch (InstallerException e) { 19253 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19254 } 19255 } 19256 } 19257 } 19258 19259 /** 19260 * For system apps on non-FBE devices, this method migrates any existing 19261 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19262 * requested by the app. 19263 */ 19264 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19265 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19266 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19267 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19268 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19269 try { 19270 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19271 storageTarget); 19272 } catch (InstallerException e) { 19273 logCriticalInfo(Log.WARN, 19274 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19275 } 19276 return true; 19277 } else { 19278 return false; 19279 } 19280 } 19281 19282 public PackageFreezer freezePackage(String packageName, String killReason) { 19283 return new PackageFreezer(packageName, killReason); 19284 } 19285 19286 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19287 String killReason) { 19288 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19289 return new PackageFreezer(); 19290 } else { 19291 return freezePackage(packageName, killReason); 19292 } 19293 } 19294 19295 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19296 String killReason) { 19297 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19298 return new PackageFreezer(); 19299 } else { 19300 return freezePackage(packageName, killReason); 19301 } 19302 } 19303 19304 /** 19305 * Class that freezes and kills the given package upon creation, and 19306 * unfreezes it upon closing. This is typically used when doing surgery on 19307 * app code/data to prevent the app from running while you're working. 19308 */ 19309 private class PackageFreezer implements AutoCloseable { 19310 private final String mPackageName; 19311 private final PackageFreezer[] mChildren; 19312 19313 private final boolean mWeFroze; 19314 19315 private final AtomicBoolean mClosed = new AtomicBoolean(); 19316 private final CloseGuard mCloseGuard = CloseGuard.get(); 19317 19318 /** 19319 * Create and return a stub freezer that doesn't actually do anything, 19320 * typically used when someone requested 19321 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19322 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19323 */ 19324 public PackageFreezer() { 19325 mPackageName = null; 19326 mChildren = null; 19327 mWeFroze = false; 19328 mCloseGuard.open("close"); 19329 } 19330 19331 public PackageFreezer(String packageName, String killReason) { 19332 synchronized (mPackages) { 19333 mPackageName = packageName; 19334 mWeFroze = mFrozenPackages.add(mPackageName); 19335 19336 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19337 if (ps != null) { 19338 killApplication(ps.name, ps.appId, killReason); 19339 } 19340 19341 final PackageParser.Package p = mPackages.get(packageName); 19342 if (p != null && p.childPackages != null) { 19343 final int N = p.childPackages.size(); 19344 mChildren = new PackageFreezer[N]; 19345 for (int i = 0; i < N; i++) { 19346 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19347 killReason); 19348 } 19349 } else { 19350 mChildren = null; 19351 } 19352 } 19353 mCloseGuard.open("close"); 19354 } 19355 19356 @Override 19357 protected void finalize() throws Throwable { 19358 try { 19359 mCloseGuard.warnIfOpen(); 19360 close(); 19361 } finally { 19362 super.finalize(); 19363 } 19364 } 19365 19366 @Override 19367 public void close() { 19368 mCloseGuard.close(); 19369 if (mClosed.compareAndSet(false, true)) { 19370 synchronized (mPackages) { 19371 if (mWeFroze) { 19372 mFrozenPackages.remove(mPackageName); 19373 } 19374 19375 if (mChildren != null) { 19376 for (PackageFreezer freezer : mChildren) { 19377 freezer.close(); 19378 } 19379 } 19380 } 19381 } 19382 } 19383 } 19384 19385 /** 19386 * Verify that given package is currently frozen. 19387 */ 19388 private void checkPackageFrozen(String packageName) { 19389 synchronized (mPackages) { 19390 if (!mFrozenPackages.contains(packageName)) { 19391 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19392 } 19393 } 19394 } 19395 19396 @Override 19397 public int movePackage(final String packageName, final String volumeUuid) { 19398 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19399 19400 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19401 final int moveId = mNextMoveId.getAndIncrement(); 19402 mHandler.post(new Runnable() { 19403 @Override 19404 public void run() { 19405 try { 19406 movePackageInternal(packageName, volumeUuid, moveId, user); 19407 } catch (PackageManagerException e) { 19408 Slog.w(TAG, "Failed to move " + packageName, e); 19409 mMoveCallbacks.notifyStatusChanged(moveId, 19410 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19411 } 19412 } 19413 }); 19414 return moveId; 19415 } 19416 19417 private void movePackageInternal(final String packageName, final String volumeUuid, 19418 final int moveId, UserHandle user) throws PackageManagerException { 19419 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19420 final PackageManager pm = mContext.getPackageManager(); 19421 19422 final boolean currentAsec; 19423 final String currentVolumeUuid; 19424 final File codeFile; 19425 final String installerPackageName; 19426 final String packageAbiOverride; 19427 final int appId; 19428 final String seinfo; 19429 final String label; 19430 final int targetSdkVersion; 19431 final PackageFreezer freezer; 19432 19433 // reader 19434 synchronized (mPackages) { 19435 final PackageParser.Package pkg = mPackages.get(packageName); 19436 final PackageSetting ps = mSettings.mPackages.get(packageName); 19437 if (pkg == null || ps == null) { 19438 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19439 } 19440 19441 if (pkg.applicationInfo.isSystemApp()) { 19442 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19443 "Cannot move system application"); 19444 } 19445 19446 if (pkg.applicationInfo.isExternalAsec()) { 19447 currentAsec = true; 19448 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19449 } else if (pkg.applicationInfo.isForwardLocked()) { 19450 currentAsec = true; 19451 currentVolumeUuid = "forward_locked"; 19452 } else { 19453 currentAsec = false; 19454 currentVolumeUuid = ps.volumeUuid; 19455 19456 final File probe = new File(pkg.codePath); 19457 final File probeOat = new File(probe, "oat"); 19458 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19459 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19460 "Move only supported for modern cluster style installs"); 19461 } 19462 } 19463 19464 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19465 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19466 "Package already moved to " + volumeUuid); 19467 } 19468 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19469 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19470 "Device admin cannot be moved"); 19471 } 19472 19473 if (mFrozenPackages.contains(packageName)) { 19474 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19475 "Failed to move already frozen package"); 19476 } 19477 19478 codeFile = new File(pkg.codePath); 19479 installerPackageName = ps.installerPackageName; 19480 packageAbiOverride = ps.cpuAbiOverrideString; 19481 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19482 seinfo = pkg.applicationInfo.seinfo; 19483 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19484 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19485 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19486 } 19487 19488 final Bundle extras = new Bundle(); 19489 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19490 extras.putString(Intent.EXTRA_TITLE, label); 19491 mMoveCallbacks.notifyCreated(moveId, extras); 19492 19493 int installFlags; 19494 final boolean moveCompleteApp; 19495 final File measurePath; 19496 19497 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19498 installFlags = INSTALL_INTERNAL; 19499 moveCompleteApp = !currentAsec; 19500 measurePath = Environment.getDataAppDirectory(volumeUuid); 19501 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19502 installFlags = INSTALL_EXTERNAL; 19503 moveCompleteApp = false; 19504 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19505 } else { 19506 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19507 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19508 || !volume.isMountedWritable()) { 19509 freezer.close(); 19510 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19511 "Move location not mounted private volume"); 19512 } 19513 19514 Preconditions.checkState(!currentAsec); 19515 19516 installFlags = INSTALL_INTERNAL; 19517 moveCompleteApp = true; 19518 measurePath = Environment.getDataAppDirectory(volumeUuid); 19519 } 19520 19521 final PackageStats stats = new PackageStats(null, -1); 19522 synchronized (mInstaller) { 19523 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 19524 freezer.close(); 19525 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19526 "Failed to measure package size"); 19527 } 19528 } 19529 19530 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19531 + stats.dataSize); 19532 19533 final long startFreeBytes = measurePath.getFreeSpace(); 19534 final long sizeBytes; 19535 if (moveCompleteApp) { 19536 sizeBytes = stats.codeSize + stats.dataSize; 19537 } else { 19538 sizeBytes = stats.codeSize; 19539 } 19540 19541 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19542 freezer.close(); 19543 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19544 "Not enough free space to move"); 19545 } 19546 19547 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19548 19549 final CountDownLatch installedLatch = new CountDownLatch(1); 19550 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19551 @Override 19552 public void onUserActionRequired(Intent intent) throws RemoteException { 19553 throw new IllegalStateException(); 19554 } 19555 19556 @Override 19557 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19558 Bundle extras) throws RemoteException { 19559 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19560 + PackageManager.installStatusToString(returnCode, msg)); 19561 19562 installedLatch.countDown(); 19563 freezer.close(); 19564 19565 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19566 switch (status) { 19567 case PackageInstaller.STATUS_SUCCESS: 19568 mMoveCallbacks.notifyStatusChanged(moveId, 19569 PackageManager.MOVE_SUCCEEDED); 19570 break; 19571 case PackageInstaller.STATUS_FAILURE_STORAGE: 19572 mMoveCallbacks.notifyStatusChanged(moveId, 19573 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19574 break; 19575 default: 19576 mMoveCallbacks.notifyStatusChanged(moveId, 19577 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19578 break; 19579 } 19580 } 19581 }; 19582 19583 final MoveInfo move; 19584 if (moveCompleteApp) { 19585 // Kick off a thread to report progress estimates 19586 new Thread() { 19587 @Override 19588 public void run() { 19589 while (true) { 19590 try { 19591 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19592 break; 19593 } 19594 } catch (InterruptedException ignored) { 19595 } 19596 19597 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19598 final int progress = 10 + (int) MathUtils.constrain( 19599 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19600 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19601 } 19602 } 19603 }.start(); 19604 19605 final String dataAppName = codeFile.getName(); 19606 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19607 dataAppName, appId, seinfo, targetSdkVersion); 19608 } else { 19609 move = null; 19610 } 19611 19612 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19613 19614 final Message msg = mHandler.obtainMessage(INIT_COPY); 19615 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19616 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19617 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19618 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19619 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19620 msg.obj = params; 19621 19622 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19623 System.identityHashCode(msg.obj)); 19624 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19625 System.identityHashCode(msg.obj)); 19626 19627 mHandler.sendMessage(msg); 19628 } 19629 19630 @Override 19631 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19632 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19633 19634 final int realMoveId = mNextMoveId.getAndIncrement(); 19635 final Bundle extras = new Bundle(); 19636 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 19637 mMoveCallbacks.notifyCreated(realMoveId, extras); 19638 19639 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 19640 @Override 19641 public void onCreated(int moveId, Bundle extras) { 19642 // Ignored 19643 } 19644 19645 @Override 19646 public void onStatusChanged(int moveId, int status, long estMillis) { 19647 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 19648 } 19649 }; 19650 19651 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19652 storage.setPrimaryStorageUuid(volumeUuid, callback); 19653 return realMoveId; 19654 } 19655 19656 @Override 19657 public int getMoveStatus(int moveId) { 19658 mContext.enforceCallingOrSelfPermission( 19659 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19660 return mMoveCallbacks.mLastStatus.get(moveId); 19661 } 19662 19663 @Override 19664 public void registerMoveCallback(IPackageMoveObserver callback) { 19665 mContext.enforceCallingOrSelfPermission( 19666 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19667 mMoveCallbacks.register(callback); 19668 } 19669 19670 @Override 19671 public void unregisterMoveCallback(IPackageMoveObserver callback) { 19672 mContext.enforceCallingOrSelfPermission( 19673 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19674 mMoveCallbacks.unregister(callback); 19675 } 19676 19677 @Override 19678 public boolean setInstallLocation(int loc) { 19679 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 19680 null); 19681 if (getInstallLocation() == loc) { 19682 return true; 19683 } 19684 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 19685 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 19686 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 19687 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 19688 return true; 19689 } 19690 return false; 19691 } 19692 19693 @Override 19694 public int getInstallLocation() { 19695 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 19696 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 19697 PackageHelper.APP_INSTALL_AUTO); 19698 } 19699 19700 /** Called by UserManagerService */ 19701 void cleanUpUser(UserManagerService userManager, int userHandle) { 19702 synchronized (mPackages) { 19703 mDirtyUsers.remove(userHandle); 19704 mUserNeedsBadging.delete(userHandle); 19705 mSettings.removeUserLPw(userHandle); 19706 mPendingBroadcasts.remove(userHandle); 19707 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 19708 removeUnusedPackagesLPw(userManager, userHandle); 19709 } 19710 } 19711 19712 /** 19713 * We're removing userHandle and would like to remove any downloaded packages 19714 * that are no longer in use by any other user. 19715 * @param userHandle the user being removed 19716 */ 19717 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 19718 final boolean DEBUG_CLEAN_APKS = false; 19719 int [] users = userManager.getUserIds(); 19720 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 19721 while (psit.hasNext()) { 19722 PackageSetting ps = psit.next(); 19723 if (ps.pkg == null) { 19724 continue; 19725 } 19726 final String packageName = ps.pkg.packageName; 19727 // Skip over if system app 19728 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 19729 continue; 19730 } 19731 if (DEBUG_CLEAN_APKS) { 19732 Slog.i(TAG, "Checking package " + packageName); 19733 } 19734 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 19735 if (keep) { 19736 if (DEBUG_CLEAN_APKS) { 19737 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 19738 } 19739 } else { 19740 for (int i = 0; i < users.length; i++) { 19741 if (users[i] != userHandle && ps.getInstalled(users[i])) { 19742 keep = true; 19743 if (DEBUG_CLEAN_APKS) { 19744 Slog.i(TAG, " Keeping package " + packageName + " for user " 19745 + users[i]); 19746 } 19747 break; 19748 } 19749 } 19750 } 19751 if (!keep) { 19752 if (DEBUG_CLEAN_APKS) { 19753 Slog.i(TAG, " Removing package " + packageName); 19754 } 19755 mHandler.post(new Runnable() { 19756 public void run() { 19757 deletePackageX(packageName, userHandle, 0); 19758 } //end run 19759 }); 19760 } 19761 } 19762 } 19763 19764 /** Called by UserManagerService */ 19765 void createNewUser(int userHandle) { 19766 synchronized (mInstallLock) { 19767 mSettings.createNewUserLI(this, mInstaller, userHandle); 19768 } 19769 synchronized (mPackages) { 19770 applyFactoryDefaultBrowserLPw(userHandle); 19771 primeDomainVerificationsLPw(userHandle); 19772 } 19773 } 19774 19775 void newUserCreated(final int userHandle) { 19776 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 19777 // If permission review for legacy apps is required, we represent 19778 // dagerous permissions for such apps as always granted runtime 19779 // permissions to keep per user flag state whether review is needed. 19780 // Hence, if a new user is added we have to propagate dangerous 19781 // permission grants for these legacy apps. 19782 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 19783 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 19784 | UPDATE_PERMISSIONS_REPLACE_ALL); 19785 } 19786 } 19787 19788 @Override 19789 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 19790 mContext.enforceCallingOrSelfPermission( 19791 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 19792 "Only package verification agents can read the verifier device identity"); 19793 19794 synchronized (mPackages) { 19795 return mSettings.getVerifierDeviceIdentityLPw(); 19796 } 19797 } 19798 19799 @Override 19800 public void setPermissionEnforced(String permission, boolean enforced) { 19801 // TODO: Now that we no longer change GID for storage, this should to away. 19802 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 19803 "setPermissionEnforced"); 19804 if (READ_EXTERNAL_STORAGE.equals(permission)) { 19805 synchronized (mPackages) { 19806 if (mSettings.mReadExternalStorageEnforced == null 19807 || mSettings.mReadExternalStorageEnforced != enforced) { 19808 mSettings.mReadExternalStorageEnforced = enforced; 19809 mSettings.writeLPr(); 19810 } 19811 } 19812 // kill any non-foreground processes so we restart them and 19813 // grant/revoke the GID. 19814 final IActivityManager am = ActivityManagerNative.getDefault(); 19815 if (am != null) { 19816 final long token = Binder.clearCallingIdentity(); 19817 try { 19818 am.killProcessesBelowForeground("setPermissionEnforcement"); 19819 } catch (RemoteException e) { 19820 } finally { 19821 Binder.restoreCallingIdentity(token); 19822 } 19823 } 19824 } else { 19825 throw new IllegalArgumentException("No selective enforcement for " + permission); 19826 } 19827 } 19828 19829 @Override 19830 @Deprecated 19831 public boolean isPermissionEnforced(String permission) { 19832 return true; 19833 } 19834 19835 @Override 19836 public boolean isStorageLow() { 19837 final long token = Binder.clearCallingIdentity(); 19838 try { 19839 final DeviceStorageMonitorInternal 19840 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19841 if (dsm != null) { 19842 return dsm.isMemoryLow(); 19843 } else { 19844 return false; 19845 } 19846 } finally { 19847 Binder.restoreCallingIdentity(token); 19848 } 19849 } 19850 19851 @Override 19852 public IPackageInstaller getPackageInstaller() { 19853 return mInstallerService; 19854 } 19855 19856 private boolean userNeedsBadging(int userId) { 19857 int index = mUserNeedsBadging.indexOfKey(userId); 19858 if (index < 0) { 19859 final UserInfo userInfo; 19860 final long token = Binder.clearCallingIdentity(); 19861 try { 19862 userInfo = sUserManager.getUserInfo(userId); 19863 } finally { 19864 Binder.restoreCallingIdentity(token); 19865 } 19866 final boolean b; 19867 if (userInfo != null && userInfo.isManagedProfile()) { 19868 b = true; 19869 } else { 19870 b = false; 19871 } 19872 mUserNeedsBadging.put(userId, b); 19873 return b; 19874 } 19875 return mUserNeedsBadging.valueAt(index); 19876 } 19877 19878 @Override 19879 public KeySet getKeySetByAlias(String packageName, String alias) { 19880 if (packageName == null || alias == null) { 19881 return null; 19882 } 19883 synchronized(mPackages) { 19884 final PackageParser.Package pkg = mPackages.get(packageName); 19885 if (pkg == null) { 19886 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19887 throw new IllegalArgumentException("Unknown package: " + packageName); 19888 } 19889 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19890 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19891 } 19892 } 19893 19894 @Override 19895 public KeySet getSigningKeySet(String packageName) { 19896 if (packageName == null) { 19897 return null; 19898 } 19899 synchronized(mPackages) { 19900 final PackageParser.Package pkg = mPackages.get(packageName); 19901 if (pkg == null) { 19902 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19903 throw new IllegalArgumentException("Unknown package: " + packageName); 19904 } 19905 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19906 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19907 throw new SecurityException("May not access signing KeySet of other apps."); 19908 } 19909 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19910 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19911 } 19912 } 19913 19914 @Override 19915 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19916 if (packageName == null || ks == null) { 19917 return false; 19918 } 19919 synchronized(mPackages) { 19920 final PackageParser.Package pkg = mPackages.get(packageName); 19921 if (pkg == null) { 19922 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19923 throw new IllegalArgumentException("Unknown package: " + packageName); 19924 } 19925 IBinder ksh = ks.getToken(); 19926 if (ksh instanceof KeySetHandle) { 19927 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19928 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19929 } 19930 return false; 19931 } 19932 } 19933 19934 @Override 19935 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19936 if (packageName == null || ks == null) { 19937 return false; 19938 } 19939 synchronized(mPackages) { 19940 final PackageParser.Package pkg = mPackages.get(packageName); 19941 if (pkg == null) { 19942 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19943 throw new IllegalArgumentException("Unknown package: " + packageName); 19944 } 19945 IBinder ksh = ks.getToken(); 19946 if (ksh instanceof KeySetHandle) { 19947 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19948 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19949 } 19950 return false; 19951 } 19952 } 19953 19954 private void deletePackageIfUnusedLPr(final String packageName) { 19955 PackageSetting ps = mSettings.mPackages.get(packageName); 19956 if (ps == null) { 19957 return; 19958 } 19959 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19960 // TODO Implement atomic delete if package is unused 19961 // It is currently possible that the package will be deleted even if it is installed 19962 // after this method returns. 19963 mHandler.post(new Runnable() { 19964 public void run() { 19965 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19966 } 19967 }); 19968 } 19969 } 19970 19971 /** 19972 * Check and throw if the given before/after packages would be considered a 19973 * downgrade. 19974 */ 19975 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19976 throws PackageManagerException { 19977 if (after.versionCode < before.mVersionCode) { 19978 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19979 "Update version code " + after.versionCode + " is older than current " 19980 + before.mVersionCode); 19981 } else if (after.versionCode == before.mVersionCode) { 19982 if (after.baseRevisionCode < before.baseRevisionCode) { 19983 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19984 "Update base revision code " + after.baseRevisionCode 19985 + " is older than current " + before.baseRevisionCode); 19986 } 19987 19988 if (!ArrayUtils.isEmpty(after.splitNames)) { 19989 for (int i = 0; i < after.splitNames.length; i++) { 19990 final String splitName = after.splitNames[i]; 19991 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 19992 if (j != -1) { 19993 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 19994 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19995 "Update split " + splitName + " revision code " 19996 + after.splitRevisionCodes[i] + " is older than current " 19997 + before.splitRevisionCodes[j]); 19998 } 19999 } 20000 } 20001 } 20002 } 20003 } 20004 20005 private static class MoveCallbacks extends Handler { 20006 private static final int MSG_CREATED = 1; 20007 private static final int MSG_STATUS_CHANGED = 2; 20008 20009 private final RemoteCallbackList<IPackageMoveObserver> 20010 mCallbacks = new RemoteCallbackList<>(); 20011 20012 private final SparseIntArray mLastStatus = new SparseIntArray(); 20013 20014 public MoveCallbacks(Looper looper) { 20015 super(looper); 20016 } 20017 20018 public void register(IPackageMoveObserver callback) { 20019 mCallbacks.register(callback); 20020 } 20021 20022 public void unregister(IPackageMoveObserver callback) { 20023 mCallbacks.unregister(callback); 20024 } 20025 20026 @Override 20027 public void handleMessage(Message msg) { 20028 final SomeArgs args = (SomeArgs) msg.obj; 20029 final int n = mCallbacks.beginBroadcast(); 20030 for (int i = 0; i < n; i++) { 20031 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20032 try { 20033 invokeCallback(callback, msg.what, args); 20034 } catch (RemoteException ignored) { 20035 } 20036 } 20037 mCallbacks.finishBroadcast(); 20038 args.recycle(); 20039 } 20040 20041 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20042 throws RemoteException { 20043 switch (what) { 20044 case MSG_CREATED: { 20045 callback.onCreated(args.argi1, (Bundle) args.arg2); 20046 break; 20047 } 20048 case MSG_STATUS_CHANGED: { 20049 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20050 break; 20051 } 20052 } 20053 } 20054 20055 private void notifyCreated(int moveId, Bundle extras) { 20056 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20057 20058 final SomeArgs args = SomeArgs.obtain(); 20059 args.argi1 = moveId; 20060 args.arg2 = extras; 20061 obtainMessage(MSG_CREATED, args).sendToTarget(); 20062 } 20063 20064 private void notifyStatusChanged(int moveId, int status) { 20065 notifyStatusChanged(moveId, status, -1); 20066 } 20067 20068 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20069 Slog.v(TAG, "Move " + moveId + " status " + status); 20070 20071 final SomeArgs args = SomeArgs.obtain(); 20072 args.argi1 = moveId; 20073 args.argi2 = status; 20074 args.arg3 = estMillis; 20075 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20076 20077 synchronized (mLastStatus) { 20078 mLastStatus.put(moveId, status); 20079 } 20080 } 20081 } 20082 20083 private final static class OnPermissionChangeListeners extends Handler { 20084 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20085 20086 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20087 new RemoteCallbackList<>(); 20088 20089 public OnPermissionChangeListeners(Looper looper) { 20090 super(looper); 20091 } 20092 20093 @Override 20094 public void handleMessage(Message msg) { 20095 switch (msg.what) { 20096 case MSG_ON_PERMISSIONS_CHANGED: { 20097 final int uid = msg.arg1; 20098 handleOnPermissionsChanged(uid); 20099 } break; 20100 } 20101 } 20102 20103 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20104 mPermissionListeners.register(listener); 20105 20106 } 20107 20108 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20109 mPermissionListeners.unregister(listener); 20110 } 20111 20112 public void onPermissionsChanged(int uid) { 20113 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20114 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20115 } 20116 } 20117 20118 private void handleOnPermissionsChanged(int uid) { 20119 final int count = mPermissionListeners.beginBroadcast(); 20120 try { 20121 for (int i = 0; i < count; i++) { 20122 IOnPermissionsChangeListener callback = mPermissionListeners 20123 .getBroadcastItem(i); 20124 try { 20125 callback.onPermissionsChanged(uid); 20126 } catch (RemoteException e) { 20127 Log.e(TAG, "Permission listener is dead", e); 20128 } 20129 } 20130 } finally { 20131 mPermissionListeners.finishBroadcast(); 20132 } 20133 } 20134 } 20135 20136 private class PackageManagerInternalImpl extends PackageManagerInternal { 20137 @Override 20138 public void setLocationPackagesProvider(PackagesProvider provider) { 20139 synchronized (mPackages) { 20140 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20141 } 20142 } 20143 20144 @Override 20145 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20146 synchronized (mPackages) { 20147 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20148 } 20149 } 20150 20151 @Override 20152 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20153 synchronized (mPackages) { 20154 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20155 } 20156 } 20157 20158 @Override 20159 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20160 synchronized (mPackages) { 20161 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20162 } 20163 } 20164 20165 @Override 20166 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20167 synchronized (mPackages) { 20168 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20169 } 20170 } 20171 20172 @Override 20173 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20174 synchronized (mPackages) { 20175 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20176 } 20177 } 20178 20179 @Override 20180 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20181 synchronized (mPackages) { 20182 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20183 packageName, userId); 20184 } 20185 } 20186 20187 @Override 20188 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20189 synchronized (mPackages) { 20190 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20191 packageName, userId); 20192 } 20193 } 20194 20195 @Override 20196 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20197 synchronized (mPackages) { 20198 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20199 packageName, userId); 20200 } 20201 } 20202 20203 @Override 20204 public void setKeepUninstalledPackages(final List<String> packageList) { 20205 Preconditions.checkNotNull(packageList); 20206 List<String> removedFromList = null; 20207 synchronized (mPackages) { 20208 if (mKeepUninstalledPackages != null) { 20209 final int packagesCount = mKeepUninstalledPackages.size(); 20210 for (int i = 0; i < packagesCount; i++) { 20211 String oldPackage = mKeepUninstalledPackages.get(i); 20212 if (packageList != null && packageList.contains(oldPackage)) { 20213 continue; 20214 } 20215 if (removedFromList == null) { 20216 removedFromList = new ArrayList<>(); 20217 } 20218 removedFromList.add(oldPackage); 20219 } 20220 } 20221 mKeepUninstalledPackages = new ArrayList<>(packageList); 20222 if (removedFromList != null) { 20223 final int removedCount = removedFromList.size(); 20224 for (int i = 0; i < removedCount; i++) { 20225 deletePackageIfUnusedLPr(removedFromList.get(i)); 20226 } 20227 } 20228 } 20229 } 20230 20231 @Override 20232 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20233 synchronized (mPackages) { 20234 // If we do not support permission review, done. 20235 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20236 return false; 20237 } 20238 20239 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20240 if (packageSetting == null) { 20241 return false; 20242 } 20243 20244 // Permission review applies only to apps not supporting the new permission model. 20245 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20246 return false; 20247 } 20248 20249 // Legacy apps have the permission and get user consent on launch. 20250 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20251 return permissionsState.isPermissionReviewRequired(userId); 20252 } 20253 } 20254 20255 @Override 20256 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20257 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20258 } 20259 20260 @Override 20261 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20262 int userId) { 20263 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20264 } 20265 } 20266 20267 @Override 20268 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20269 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20270 synchronized (mPackages) { 20271 final long identity = Binder.clearCallingIdentity(); 20272 try { 20273 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20274 packageNames, userId); 20275 } finally { 20276 Binder.restoreCallingIdentity(identity); 20277 } 20278 } 20279 } 20280 20281 private static void enforceSystemOrPhoneCaller(String tag) { 20282 int callingUid = Binder.getCallingUid(); 20283 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20284 throw new SecurityException( 20285 "Cannot call " + tag + " from UID " + callingUid); 20286 } 20287 } 20288 20289 boolean isHistoricalPackageUsageAvailable() { 20290 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20291 } 20292 20293 /** 20294 * Return a <b>copy</b> of the collection of packages known to the package manager. 20295 * @return A copy of the values of mPackages. 20296 */ 20297 Collection<PackageParser.Package> getPackages() { 20298 synchronized (mPackages) { 20299 return new ArrayList<>(mPackages.values()); 20300 } 20301 } 20302 20303 /** 20304 * Logs process start information (including base APK hash) to the security log. 20305 * @hide 20306 */ 20307 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20308 String apkFile, int pid) { 20309 if (!SecurityLog.isLoggingEnabled()) { 20310 return; 20311 } 20312 Bundle data = new Bundle(); 20313 data.putLong("startTimestamp", System.currentTimeMillis()); 20314 data.putString("processName", processName); 20315 data.putInt("uid", uid); 20316 data.putString("seinfo", seinfo); 20317 data.putString("apkFile", apkFile); 20318 data.putInt("pid", pid); 20319 Message msg = mProcessLoggingHandler.obtainMessage( 20320 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20321 msg.setData(data); 20322 mProcessLoggingHandler.sendMessage(msg); 20323 } 20324} 20325