PackageManagerService.java revision 3d92f4ea37e6785605a8d62f1971f2dfe4569638
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 PLATFORM_PACKAGE_NAME = "android"; 441 442 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 443 444 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 445 DEFAULT_CONTAINER_PACKAGE, 446 "com.android.defcontainer.DefaultContainerService"); 447 448 private static final String KILL_APP_REASON_GIDS_CHANGED = 449 "permission grant or revoke changed gids"; 450 451 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 452 "permissions revoked"; 453 454 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 455 456 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 457 458 /** Permission grant: not grant the permission. */ 459 private static final int GRANT_DENIED = 1; 460 461 /** Permission grant: grant the permission as an install permission. */ 462 private static final int GRANT_INSTALL = 2; 463 464 /** Permission grant: grant the permission as a runtime one. */ 465 private static final int GRANT_RUNTIME = 3; 466 467 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 468 private static final int GRANT_UPGRADE = 4; 469 470 /** Canonical intent used to identify what counts as a "web browser" app */ 471 private static final Intent sBrowserIntent; 472 static { 473 sBrowserIntent = new Intent(); 474 sBrowserIntent.setAction(Intent.ACTION_VIEW); 475 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 476 sBrowserIntent.setData(Uri.parse("http:")); 477 } 478 479 /** 480 * The set of all protected actions [i.e. those actions for which a high priority 481 * intent filter is disallowed]. 482 */ 483 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 484 static { 485 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 486 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 487 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 488 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 489 } 490 491 // Compilation reasons. 492 public static final int REASON_FIRST_BOOT = 0; 493 public static final int REASON_BOOT = 1; 494 public static final int REASON_INSTALL = 2; 495 public static final int REASON_BACKGROUND_DEXOPT = 3; 496 public static final int REASON_AB_OTA = 4; 497 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 498 public static final int REASON_SHARED_APK = 6; 499 public static final int REASON_FORCED_DEXOPT = 7; 500 501 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 502 503 final ServiceThread mHandlerThread; 504 505 final PackageHandler mHandler; 506 507 private final ProcessLoggingHandler mProcessLoggingHandler; 508 509 /** 510 * Messages for {@link #mHandler} that need to wait for system ready before 511 * being dispatched. 512 */ 513 private ArrayList<Message> mPostSystemReadyMessages; 514 515 final int mSdkVersion = Build.VERSION.SDK_INT; 516 517 final Context mContext; 518 final boolean mFactoryTest; 519 final boolean mOnlyCore; 520 final DisplayMetrics mMetrics; 521 final int mDefParseFlags; 522 final String[] mSeparateProcesses; 523 final boolean mIsUpgrade; 524 final boolean mIsPreNUpgrade; 525 526 /** The location for ASEC container files on internal storage. */ 527 final String mAsecInternalPath; 528 529 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 530 // LOCK HELD. Can be called with mInstallLock held. 531 @GuardedBy("mInstallLock") 532 final Installer mInstaller; 533 534 /** Directory where installed third-party apps stored */ 535 final File mAppInstallDir; 536 final File mEphemeralInstallDir; 537 538 /** 539 * Directory to which applications installed internally have their 540 * 32 bit native libraries copied. 541 */ 542 private File mAppLib32InstallDir; 543 544 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 545 // apps. 546 final File mDrmAppPrivateInstallDir; 547 548 // ---------------------------------------------------------------- 549 550 // Lock for state used when installing and doing other long running 551 // operations. Methods that must be called with this lock held have 552 // the suffix "LI". 553 final Object mInstallLock = new Object(); 554 555 // ---------------------------------------------------------------- 556 557 // Keys are String (package name), values are Package. This also serves 558 // as the lock for the global state. Methods that must be called with 559 // this lock held have the prefix "LP". 560 @GuardedBy("mPackages") 561 final ArrayMap<String, PackageParser.Package> mPackages = 562 new ArrayMap<String, PackageParser.Package>(); 563 564 final ArrayMap<String, Set<String>> mKnownCodebase = 565 new ArrayMap<String, Set<String>>(); 566 567 // Tracks available target package names -> overlay package paths. 568 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 569 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 570 571 /** 572 * Tracks new system packages [received in an OTA] that we expect to 573 * find updated user-installed versions. Keys are package name, values 574 * are package location. 575 */ 576 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 577 /** 578 * Tracks high priority intent filters for protected actions. During boot, certain 579 * filter actions are protected and should never be allowed to have a high priority 580 * intent filter for them. However, there is one, and only one exception -- the 581 * setup wizard. It must be able to define a high priority intent filter for these 582 * actions to ensure there are no escapes from the wizard. We need to delay processing 583 * of these during boot as we need to look at all of the system packages in order 584 * to know which component is the setup wizard. 585 */ 586 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 587 /** 588 * Whether or not processing protected filters should be deferred. 589 */ 590 private boolean mDeferProtectedFilters = true; 591 592 /** 593 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 594 */ 595 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 596 /** 597 * Whether or not system app permissions should be promoted from install to runtime. 598 */ 599 boolean mPromoteSystemApps; 600 601 @GuardedBy("mPackages") 602 final Settings mSettings; 603 604 /** 605 * Set of package names that are currently "frozen", which means active 606 * surgery is being done on the code/data for that package. The platform 607 * will refuse to launch frozen packages to avoid race conditions. 608 * 609 * @see PackageFreezer 610 */ 611 @GuardedBy("mPackages") 612 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 613 614 boolean mRestoredSettings; 615 616 // System configuration read by SystemConfig. 617 final int[] mGlobalGids; 618 final SparseArray<ArraySet<String>> mSystemPermissions; 619 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 620 621 // If mac_permissions.xml was found for seinfo labeling. 622 boolean mFoundPolicyFile; 623 624 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 625 626 public static final class SharedLibraryEntry { 627 public final String path; 628 public final String apk; 629 630 SharedLibraryEntry(String _path, String _apk) { 631 path = _path; 632 apk = _apk; 633 } 634 } 635 636 // Currently known shared libraries. 637 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 638 new ArrayMap<String, SharedLibraryEntry>(); 639 640 // All available activities, for your resolving pleasure. 641 final ActivityIntentResolver mActivities = 642 new ActivityIntentResolver(); 643 644 // All available receivers, for your resolving pleasure. 645 final ActivityIntentResolver mReceivers = 646 new ActivityIntentResolver(); 647 648 // All available services, for your resolving pleasure. 649 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 650 651 // All available providers, for your resolving pleasure. 652 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 653 654 // Mapping from provider base names (first directory in content URI codePath) 655 // to the provider information. 656 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 657 new ArrayMap<String, PackageParser.Provider>(); 658 659 // Mapping from instrumentation class names to info about them. 660 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 661 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 662 663 // Mapping from permission names to info about them. 664 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 665 new ArrayMap<String, PackageParser.PermissionGroup>(); 666 667 // Packages whose data we have transfered into another package, thus 668 // should no longer exist. 669 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 670 671 // Broadcast actions that are only available to the system. 672 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 673 674 /** List of packages waiting for verification. */ 675 final SparseArray<PackageVerificationState> mPendingVerification 676 = new SparseArray<PackageVerificationState>(); 677 678 /** Set of packages associated with each app op permission. */ 679 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 680 681 final PackageInstallerService mInstallerService; 682 683 private final PackageDexOptimizer mPackageDexOptimizer; 684 685 private AtomicInteger mNextMoveId = new AtomicInteger(); 686 private final MoveCallbacks mMoveCallbacks; 687 688 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 689 690 // Cache of users who need badging. 691 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 692 693 /** Token for keys in mPendingVerification. */ 694 private int mPendingVerificationToken = 0; 695 696 volatile boolean mSystemReady; 697 volatile boolean mSafeMode; 698 volatile boolean mHasSystemUidErrors; 699 700 ApplicationInfo mAndroidApplication; 701 final ActivityInfo mResolveActivity = new ActivityInfo(); 702 final ResolveInfo mResolveInfo = new ResolveInfo(); 703 ComponentName mResolveComponentName; 704 PackageParser.Package mPlatformPackage; 705 ComponentName mCustomResolverComponentName; 706 707 boolean mResolverReplaced = false; 708 709 private final @Nullable ComponentName mIntentFilterVerifierComponent; 710 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 711 712 private int mIntentFilterVerificationToken = 0; 713 714 /** Component that knows whether or not an ephemeral application exists */ 715 final ComponentName mEphemeralResolverComponent; 716 /** The service connection to the ephemeral resolver */ 717 final EphemeralResolverConnection mEphemeralResolverConnection; 718 719 /** Component used to install ephemeral applications */ 720 final ComponentName mEphemeralInstallerComponent; 721 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 722 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 723 724 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 725 = new SparseArray<IntentFilterVerificationState>(); 726 727 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 728 new DefaultPermissionGrantPolicy(this); 729 730 // List of packages names to keep cached, even if they are uninstalled for all users 731 private List<String> mKeepUninstalledPackages; 732 733 private static class IFVerificationParams { 734 PackageParser.Package pkg; 735 boolean replacing; 736 int userId; 737 int verifierUid; 738 739 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 740 int _userId, int _verifierUid) { 741 pkg = _pkg; 742 replacing = _replacing; 743 userId = _userId; 744 replacing = _replacing; 745 verifierUid = _verifierUid; 746 } 747 } 748 749 private interface IntentFilterVerifier<T extends IntentFilter> { 750 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 751 T filter, String packageName); 752 void startVerifications(int userId); 753 void receiveVerificationResponse(int verificationId); 754 } 755 756 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 757 private Context mContext; 758 private ComponentName mIntentFilterVerifierComponent; 759 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 760 761 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 762 mContext = context; 763 mIntentFilterVerifierComponent = verifierComponent; 764 } 765 766 private String getDefaultScheme() { 767 return IntentFilter.SCHEME_HTTPS; 768 } 769 770 @Override 771 public void startVerifications(int userId) { 772 // Launch verifications requests 773 int count = mCurrentIntentFilterVerifications.size(); 774 for (int n=0; n<count; n++) { 775 int verificationId = mCurrentIntentFilterVerifications.get(n); 776 final IntentFilterVerificationState ivs = 777 mIntentFilterVerificationStates.get(verificationId); 778 779 String packageName = ivs.getPackageName(); 780 781 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 782 final int filterCount = filters.size(); 783 ArraySet<String> domainsSet = new ArraySet<>(); 784 for (int m=0; m<filterCount; m++) { 785 PackageParser.ActivityIntentInfo filter = filters.get(m); 786 domainsSet.addAll(filter.getHostsList()); 787 } 788 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 789 synchronized (mPackages) { 790 if (mSettings.createIntentFilterVerificationIfNeededLPw( 791 packageName, domainsList) != null) { 792 scheduleWriteSettingsLocked(); 793 } 794 } 795 sendVerificationRequest(userId, verificationId, ivs); 796 } 797 mCurrentIntentFilterVerifications.clear(); 798 } 799 800 private void sendVerificationRequest(int userId, int verificationId, 801 IntentFilterVerificationState ivs) { 802 803 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 804 verificationIntent.putExtra( 805 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 806 verificationId); 807 verificationIntent.putExtra( 808 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 809 getDefaultScheme()); 810 verificationIntent.putExtra( 811 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 812 ivs.getHostsString()); 813 verificationIntent.putExtra( 814 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 815 ivs.getPackageName()); 816 verificationIntent.setComponent(mIntentFilterVerifierComponent); 817 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 818 819 UserHandle user = new UserHandle(userId); 820 mContext.sendBroadcastAsUser(verificationIntent, user); 821 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 822 "Sending IntentFilter verification broadcast"); 823 } 824 825 public void receiveVerificationResponse(int verificationId) { 826 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 827 828 final boolean verified = ivs.isVerified(); 829 830 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 831 final int count = filters.size(); 832 if (DEBUG_DOMAIN_VERIFICATION) { 833 Slog.i(TAG, "Received verification response " + verificationId 834 + " for " + count + " filters, verified=" + verified); 835 } 836 for (int n=0; n<count; n++) { 837 PackageParser.ActivityIntentInfo filter = filters.get(n); 838 filter.setVerified(verified); 839 840 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 841 + " verified with result:" + verified + " and hosts:" 842 + ivs.getHostsString()); 843 } 844 845 mIntentFilterVerificationStates.remove(verificationId); 846 847 final String packageName = ivs.getPackageName(); 848 IntentFilterVerificationInfo ivi = null; 849 850 synchronized (mPackages) { 851 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 852 } 853 if (ivi == null) { 854 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 855 + verificationId + " packageName:" + packageName); 856 return; 857 } 858 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 859 "Updating IntentFilterVerificationInfo for package " + packageName 860 +" verificationId:" + verificationId); 861 862 synchronized (mPackages) { 863 if (verified) { 864 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 865 } else { 866 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 867 } 868 scheduleWriteSettingsLocked(); 869 870 final int userId = ivs.getUserId(); 871 if (userId != UserHandle.USER_ALL) { 872 final int userStatus = 873 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 874 875 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 876 boolean needUpdate = false; 877 878 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 879 // already been set by the User thru the Disambiguation dialog 880 switch (userStatus) { 881 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 882 if (verified) { 883 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 884 } else { 885 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 886 } 887 needUpdate = true; 888 break; 889 890 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 891 if (verified) { 892 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 893 needUpdate = true; 894 } 895 break; 896 897 default: 898 // Nothing to do 899 } 900 901 if (needUpdate) { 902 mSettings.updateIntentFilterVerificationStatusLPw( 903 packageName, updatedStatus, userId); 904 scheduleWritePackageRestrictionsLocked(userId); 905 } 906 } 907 } 908 } 909 910 @Override 911 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 912 ActivityIntentInfo filter, String packageName) { 913 if (!hasValidDomains(filter)) { 914 return false; 915 } 916 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 917 if (ivs == null) { 918 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 919 packageName); 920 } 921 if (DEBUG_DOMAIN_VERIFICATION) { 922 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 923 } 924 ivs.addFilter(filter); 925 return true; 926 } 927 928 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 929 int userId, int verificationId, String packageName) { 930 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 931 verifierUid, userId, packageName); 932 ivs.setPendingState(); 933 synchronized (mPackages) { 934 mIntentFilterVerificationStates.append(verificationId, ivs); 935 mCurrentIntentFilterVerifications.add(verificationId); 936 } 937 return ivs; 938 } 939 } 940 941 private static boolean hasValidDomains(ActivityIntentInfo filter) { 942 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 943 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 944 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 945 } 946 947 // Set of pending broadcasts for aggregating enable/disable of components. 948 static class PendingPackageBroadcasts { 949 // for each user id, a map of <package name -> components within that package> 950 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 951 952 public PendingPackageBroadcasts() { 953 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 954 } 955 956 public ArrayList<String> get(int userId, String packageName) { 957 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 958 return packages.get(packageName); 959 } 960 961 public void put(int userId, String packageName, ArrayList<String> components) { 962 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 963 packages.put(packageName, components); 964 } 965 966 public void remove(int userId, String packageName) { 967 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 968 if (packages != null) { 969 packages.remove(packageName); 970 } 971 } 972 973 public void remove(int userId) { 974 mUidMap.remove(userId); 975 } 976 977 public int userIdCount() { 978 return mUidMap.size(); 979 } 980 981 public int userIdAt(int n) { 982 return mUidMap.keyAt(n); 983 } 984 985 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 986 return mUidMap.get(userId); 987 } 988 989 public int size() { 990 // total number of pending broadcast entries across all userIds 991 int num = 0; 992 for (int i = 0; i< mUidMap.size(); i++) { 993 num += mUidMap.valueAt(i).size(); 994 } 995 return num; 996 } 997 998 public void clear() { 999 mUidMap.clear(); 1000 } 1001 1002 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1003 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1004 if (map == null) { 1005 map = new ArrayMap<String, ArrayList<String>>(); 1006 mUidMap.put(userId, map); 1007 } 1008 return map; 1009 } 1010 } 1011 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1012 1013 // Service Connection to remote media container service to copy 1014 // package uri's from external media onto secure containers 1015 // or internal storage. 1016 private IMediaContainerService mContainerService = null; 1017 1018 static final int SEND_PENDING_BROADCAST = 1; 1019 static final int MCS_BOUND = 3; 1020 static final int END_COPY = 4; 1021 static final int INIT_COPY = 5; 1022 static final int MCS_UNBIND = 6; 1023 static final int START_CLEANING_PACKAGE = 7; 1024 static final int FIND_INSTALL_LOC = 8; 1025 static final int POST_INSTALL = 9; 1026 static final int MCS_RECONNECT = 10; 1027 static final int MCS_GIVE_UP = 11; 1028 static final int UPDATED_MEDIA_STATUS = 12; 1029 static final int WRITE_SETTINGS = 13; 1030 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1031 static final int PACKAGE_VERIFIED = 15; 1032 static final int CHECK_PENDING_VERIFICATION = 16; 1033 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1034 static final int INTENT_FILTER_VERIFIED = 18; 1035 1036 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1037 1038 // Delay time in millisecs 1039 static final int BROADCAST_DELAY = 10 * 1000; 1040 1041 static UserManagerService sUserManager; 1042 1043 // Stores a list of users whose package restrictions file needs to be updated 1044 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1045 1046 final private DefaultContainerConnection mDefContainerConn = 1047 new DefaultContainerConnection(); 1048 class DefaultContainerConnection implements ServiceConnection { 1049 public void onServiceConnected(ComponentName name, IBinder service) { 1050 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1051 IMediaContainerService imcs = 1052 IMediaContainerService.Stub.asInterface(service); 1053 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1054 } 1055 1056 public void onServiceDisconnected(ComponentName name) { 1057 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1058 } 1059 } 1060 1061 // Recordkeeping of restore-after-install operations that are currently in flight 1062 // between the Package Manager and the Backup Manager 1063 static class PostInstallData { 1064 public InstallArgs args; 1065 public PackageInstalledInfo res; 1066 1067 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1068 args = _a; 1069 res = _r; 1070 } 1071 } 1072 1073 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1074 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1075 1076 // XML tags for backup/restore of various bits of state 1077 private static final String TAG_PREFERRED_BACKUP = "pa"; 1078 private static final String TAG_DEFAULT_APPS = "da"; 1079 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1080 1081 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1082 private static final String TAG_ALL_GRANTS = "rt-grants"; 1083 private static final String TAG_GRANT = "grant"; 1084 private static final String ATTR_PACKAGE_NAME = "pkg"; 1085 1086 private static final String TAG_PERMISSION = "perm"; 1087 private static final String ATTR_PERMISSION_NAME = "name"; 1088 private static final String ATTR_IS_GRANTED = "g"; 1089 private static final String ATTR_USER_SET = "set"; 1090 private static final String ATTR_USER_FIXED = "fixed"; 1091 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1092 1093 // System/policy permission grants are not backed up 1094 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1095 FLAG_PERMISSION_POLICY_FIXED 1096 | FLAG_PERMISSION_SYSTEM_FIXED 1097 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1098 1099 // And we back up these user-adjusted states 1100 private static final int USER_RUNTIME_GRANT_MASK = 1101 FLAG_PERMISSION_USER_SET 1102 | FLAG_PERMISSION_USER_FIXED 1103 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1104 1105 final @Nullable String mRequiredVerifierPackage; 1106 final @NonNull String mRequiredInstallerPackage; 1107 final @Nullable String mSetupWizardPackage; 1108 final @NonNull String mServicesSystemSharedLibraryPackageName; 1109 final @NonNull String mSharedSystemSharedLibraryPackageName; 1110 1111 private final PackageUsage mPackageUsage = new PackageUsage(); 1112 1113 private class PackageUsage { 1114 private static final int WRITE_INTERVAL 1115 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1116 1117 private final Object mFileLock = new Object(); 1118 private final AtomicLong mLastWritten = new AtomicLong(0); 1119 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1120 1121 private boolean mIsHistoricalPackageUsageAvailable = true; 1122 1123 boolean isHistoricalPackageUsageAvailable() { 1124 return mIsHistoricalPackageUsageAvailable; 1125 } 1126 1127 void write(boolean force) { 1128 if (force) { 1129 writeInternal(); 1130 return; 1131 } 1132 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1133 && !DEBUG_DEXOPT) { 1134 return; 1135 } 1136 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1137 new Thread("PackageUsage_DiskWriter") { 1138 @Override 1139 public void run() { 1140 try { 1141 writeInternal(); 1142 } finally { 1143 mBackgroundWriteRunning.set(false); 1144 } 1145 } 1146 }.start(); 1147 } 1148 } 1149 1150 private void writeInternal() { 1151 synchronized (mPackages) { 1152 synchronized (mFileLock) { 1153 AtomicFile file = getFile(); 1154 FileOutputStream f = null; 1155 try { 1156 f = file.startWrite(); 1157 BufferedOutputStream out = new BufferedOutputStream(f); 1158 FileUtils.setPermissions(file.getBaseFile().getPath(), 1159 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1160 StringBuilder sb = new StringBuilder(); 1161 1162 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1163 sb.append('\n'); 1164 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1165 1166 for (PackageParser.Package pkg : mPackages.values()) { 1167 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1168 continue; 1169 } 1170 sb.setLength(0); 1171 sb.append(pkg.packageName); 1172 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1173 sb.append(' '); 1174 sb.append(usageTimeInMillis); 1175 } 1176 sb.append('\n'); 1177 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1178 } 1179 out.flush(); 1180 file.finishWrite(f); 1181 } catch (IOException e) { 1182 if (f != null) { 1183 file.failWrite(f); 1184 } 1185 Log.e(TAG, "Failed to write package usage times", e); 1186 } 1187 } 1188 } 1189 mLastWritten.set(SystemClock.elapsedRealtime()); 1190 } 1191 1192 void readLP() { 1193 synchronized (mFileLock) { 1194 AtomicFile file = getFile(); 1195 BufferedInputStream in = null; 1196 try { 1197 in = new BufferedInputStream(file.openRead()); 1198 StringBuffer sb = new StringBuffer(); 1199 1200 String firstLine = readLine(in, sb); 1201 if (firstLine.equals(USAGE_FILE_MAGIC_VERSION_1)) { 1202 readVersion1LP(in, sb); 1203 } else { 1204 readVersion0LP(in, sb, firstLine); 1205 } 1206 } catch (FileNotFoundException expected) { 1207 mIsHistoricalPackageUsageAvailable = false; 1208 } catch (IOException e) { 1209 Log.w(TAG, "Failed to read package usage times", e); 1210 } finally { 1211 IoUtils.closeQuietly(in); 1212 } 1213 } 1214 mLastWritten.set(SystemClock.elapsedRealtime()); 1215 } 1216 1217 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1218 throws IOException { 1219 // Initial version of the file had no version number and stored one 1220 // package-timestamp pair per line. 1221 // Note that the first line has already been read from the InputStream. 1222 String line = firstLine; 1223 while (true) { 1224 if (line == null) { 1225 break; 1226 } 1227 1228 String[] tokens = line.split(" "); 1229 if (tokens.length != 2) { 1230 throw new IOException("Failed to parse " + line + 1231 " as package-timestamp pair."); 1232 } 1233 1234 String packageName = tokens[0]; 1235 PackageParser.Package pkg = mPackages.get(packageName); 1236 if (pkg == null) { 1237 continue; 1238 } 1239 1240 long timestamp = parseAsLong(tokens[1]); 1241 for (int reason = 0; 1242 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1243 reason++) { 1244 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1245 } 1246 1247 line = readLine(in, sb); 1248 } 1249 } 1250 1251 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1252 // Version 1 of the file started with the corresponding version 1253 // number and then stored a package name and eight timestamps per line. 1254 String line; 1255 while ((line = readLine(in, sb)) != null) { 1256 String[] tokens = line.split(" "); 1257 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1258 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1259 } 1260 1261 String packageName = tokens[0]; 1262 PackageParser.Package pkg = mPackages.get(packageName); 1263 if (pkg == null) { 1264 continue; 1265 } 1266 1267 for (int reason = 0; 1268 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1269 reason++) { 1270 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1271 } 1272 } 1273 } 1274 1275 private long parseAsLong(String token) throws IOException { 1276 try { 1277 return Long.parseLong(token); 1278 } catch (NumberFormatException e) { 1279 throw new IOException("Failed to parse " + token + " as a long.", e); 1280 } 1281 } 1282 1283 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1284 return readToken(in, sb, '\n'); 1285 } 1286 1287 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1288 throws IOException { 1289 sb.setLength(0); 1290 while (true) { 1291 int ch = in.read(); 1292 if (ch == -1) { 1293 if (sb.length() == 0) { 1294 return null; 1295 } 1296 throw new IOException("Unexpected EOF"); 1297 } 1298 if (ch == endOfToken) { 1299 return sb.toString(); 1300 } 1301 sb.append((char)ch); 1302 } 1303 } 1304 1305 private AtomicFile getFile() { 1306 File dataDir = Environment.getDataDirectory(); 1307 File systemDir = new File(dataDir, "system"); 1308 File fname = new File(systemDir, "package-usage.list"); 1309 return new AtomicFile(fname); 1310 } 1311 1312 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1313 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1314 } 1315 1316 class PackageHandler extends Handler { 1317 private boolean mBound = false; 1318 final ArrayList<HandlerParams> mPendingInstalls = 1319 new ArrayList<HandlerParams>(); 1320 1321 private boolean connectToService() { 1322 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1323 " DefaultContainerService"); 1324 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1325 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1326 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1327 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1328 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1329 mBound = true; 1330 return true; 1331 } 1332 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1333 return false; 1334 } 1335 1336 private void disconnectService() { 1337 mContainerService = null; 1338 mBound = false; 1339 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1340 mContext.unbindService(mDefContainerConn); 1341 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1342 } 1343 1344 PackageHandler(Looper looper) { 1345 super(looper); 1346 } 1347 1348 public void handleMessage(Message msg) { 1349 try { 1350 doHandleMessage(msg); 1351 } finally { 1352 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1353 } 1354 } 1355 1356 void doHandleMessage(Message msg) { 1357 switch (msg.what) { 1358 case INIT_COPY: { 1359 HandlerParams params = (HandlerParams) msg.obj; 1360 int idx = mPendingInstalls.size(); 1361 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1362 // If a bind was already initiated we dont really 1363 // need to do anything. The pending install 1364 // will be processed later on. 1365 if (!mBound) { 1366 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1367 System.identityHashCode(mHandler)); 1368 // If this is the only one pending we might 1369 // have to bind to the service again. 1370 if (!connectToService()) { 1371 Slog.e(TAG, "Failed to bind to media container service"); 1372 params.serviceError(); 1373 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1374 System.identityHashCode(mHandler)); 1375 if (params.traceMethod != null) { 1376 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1377 params.traceCookie); 1378 } 1379 return; 1380 } else { 1381 // Once we bind to the service, the first 1382 // pending request will be processed. 1383 mPendingInstalls.add(idx, params); 1384 } 1385 } else { 1386 mPendingInstalls.add(idx, params); 1387 // Already bound to the service. Just make 1388 // sure we trigger off processing the first request. 1389 if (idx == 0) { 1390 mHandler.sendEmptyMessage(MCS_BOUND); 1391 } 1392 } 1393 break; 1394 } 1395 case MCS_BOUND: { 1396 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1397 if (msg.obj != null) { 1398 mContainerService = (IMediaContainerService) msg.obj; 1399 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1400 System.identityHashCode(mHandler)); 1401 } 1402 if (mContainerService == null) { 1403 if (!mBound) { 1404 // Something seriously wrong since we are not bound and we are not 1405 // waiting for connection. Bail out. 1406 Slog.e(TAG, "Cannot bind to media container service"); 1407 for (HandlerParams params : mPendingInstalls) { 1408 // Indicate service bind error 1409 params.serviceError(); 1410 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1411 System.identityHashCode(params)); 1412 if (params.traceMethod != null) { 1413 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1414 params.traceMethod, params.traceCookie); 1415 } 1416 return; 1417 } 1418 mPendingInstalls.clear(); 1419 } else { 1420 Slog.w(TAG, "Waiting to connect to media container service"); 1421 } 1422 } else if (mPendingInstalls.size() > 0) { 1423 HandlerParams params = mPendingInstalls.get(0); 1424 if (params != null) { 1425 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1426 System.identityHashCode(params)); 1427 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1428 if (params.startCopy()) { 1429 // We are done... look for more work or to 1430 // go idle. 1431 if (DEBUG_SD_INSTALL) Log.i(TAG, 1432 "Checking for more work or unbind..."); 1433 // Delete pending install 1434 if (mPendingInstalls.size() > 0) { 1435 mPendingInstalls.remove(0); 1436 } 1437 if (mPendingInstalls.size() == 0) { 1438 if (mBound) { 1439 if (DEBUG_SD_INSTALL) Log.i(TAG, 1440 "Posting delayed MCS_UNBIND"); 1441 removeMessages(MCS_UNBIND); 1442 Message ubmsg = obtainMessage(MCS_UNBIND); 1443 // Unbind after a little delay, to avoid 1444 // continual thrashing. 1445 sendMessageDelayed(ubmsg, 10000); 1446 } 1447 } else { 1448 // There are more pending requests in queue. 1449 // Just post MCS_BOUND message to trigger processing 1450 // of next pending install. 1451 if (DEBUG_SD_INSTALL) Log.i(TAG, 1452 "Posting MCS_BOUND for next work"); 1453 mHandler.sendEmptyMessage(MCS_BOUND); 1454 } 1455 } 1456 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1457 } 1458 } else { 1459 // Should never happen ideally. 1460 Slog.w(TAG, "Empty queue"); 1461 } 1462 break; 1463 } 1464 case MCS_RECONNECT: { 1465 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1466 if (mPendingInstalls.size() > 0) { 1467 if (mBound) { 1468 disconnectService(); 1469 } 1470 if (!connectToService()) { 1471 Slog.e(TAG, "Failed to bind to media container service"); 1472 for (HandlerParams params : mPendingInstalls) { 1473 // Indicate service bind error 1474 params.serviceError(); 1475 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1476 System.identityHashCode(params)); 1477 } 1478 mPendingInstalls.clear(); 1479 } 1480 } 1481 break; 1482 } 1483 case MCS_UNBIND: { 1484 // If there is no actual work left, then time to unbind. 1485 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1486 1487 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1488 if (mBound) { 1489 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1490 1491 disconnectService(); 1492 } 1493 } else if (mPendingInstalls.size() > 0) { 1494 // There are more pending requests in queue. 1495 // Just post MCS_BOUND message to trigger processing 1496 // of next pending install. 1497 mHandler.sendEmptyMessage(MCS_BOUND); 1498 } 1499 1500 break; 1501 } 1502 case MCS_GIVE_UP: { 1503 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1504 HandlerParams params = mPendingInstalls.remove(0); 1505 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1506 System.identityHashCode(params)); 1507 break; 1508 } 1509 case SEND_PENDING_BROADCAST: { 1510 String packages[]; 1511 ArrayList<String> components[]; 1512 int size = 0; 1513 int uids[]; 1514 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1515 synchronized (mPackages) { 1516 if (mPendingBroadcasts == null) { 1517 return; 1518 } 1519 size = mPendingBroadcasts.size(); 1520 if (size <= 0) { 1521 // Nothing to be done. Just return 1522 return; 1523 } 1524 packages = new String[size]; 1525 components = new ArrayList[size]; 1526 uids = new int[size]; 1527 int i = 0; // filling out the above arrays 1528 1529 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1530 int packageUserId = mPendingBroadcasts.userIdAt(n); 1531 Iterator<Map.Entry<String, ArrayList<String>>> it 1532 = mPendingBroadcasts.packagesForUserId(packageUserId) 1533 .entrySet().iterator(); 1534 while (it.hasNext() && i < size) { 1535 Map.Entry<String, ArrayList<String>> ent = it.next(); 1536 packages[i] = ent.getKey(); 1537 components[i] = ent.getValue(); 1538 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1539 uids[i] = (ps != null) 1540 ? UserHandle.getUid(packageUserId, ps.appId) 1541 : -1; 1542 i++; 1543 } 1544 } 1545 size = i; 1546 mPendingBroadcasts.clear(); 1547 } 1548 // Send broadcasts 1549 for (int i = 0; i < size; i++) { 1550 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1551 } 1552 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1553 break; 1554 } 1555 case START_CLEANING_PACKAGE: { 1556 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1557 final String packageName = (String)msg.obj; 1558 final int userId = msg.arg1; 1559 final boolean andCode = msg.arg2 != 0; 1560 synchronized (mPackages) { 1561 if (userId == UserHandle.USER_ALL) { 1562 int[] users = sUserManager.getUserIds(); 1563 for (int user : users) { 1564 mSettings.addPackageToCleanLPw( 1565 new PackageCleanItem(user, packageName, andCode)); 1566 } 1567 } else { 1568 mSettings.addPackageToCleanLPw( 1569 new PackageCleanItem(userId, packageName, andCode)); 1570 } 1571 } 1572 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1573 startCleaningPackages(); 1574 } break; 1575 case POST_INSTALL: { 1576 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1577 1578 PostInstallData data = mRunningInstalls.get(msg.arg1); 1579 mRunningInstalls.delete(msg.arg1); 1580 1581 if (data != null) { 1582 InstallArgs args = data.args; 1583 PackageInstalledInfo parentRes = data.res; 1584 1585 final boolean grantPermissions = (args.installFlags 1586 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1587 final boolean killApp = (args.installFlags 1588 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1589 final String[] grantedPermissions = args.installGrantPermissions; 1590 1591 // Handle the parent package 1592 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1593 grantedPermissions, args.observer); 1594 1595 // Handle the child packages 1596 final int childCount = (parentRes.addedChildPackages != null) 1597 ? parentRes.addedChildPackages.size() : 0; 1598 for (int i = 0; i < childCount; i++) { 1599 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1600 handlePackagePostInstall(childRes, grantPermissions, killApp, 1601 grantedPermissions, args.observer); 1602 } 1603 1604 // Log tracing if needed 1605 if (args.traceMethod != null) { 1606 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1607 args.traceCookie); 1608 } 1609 } else { 1610 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1611 } 1612 1613 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1614 } break; 1615 case UPDATED_MEDIA_STATUS: { 1616 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1617 boolean reportStatus = msg.arg1 == 1; 1618 boolean doGc = msg.arg2 == 1; 1619 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1620 if (doGc) { 1621 // Force a gc to clear up stale containers. 1622 Runtime.getRuntime().gc(); 1623 } 1624 if (msg.obj != null) { 1625 @SuppressWarnings("unchecked") 1626 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1627 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1628 // Unload containers 1629 unloadAllContainers(args); 1630 } 1631 if (reportStatus) { 1632 try { 1633 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1634 PackageHelper.getMountService().finishMediaUpdate(); 1635 } catch (RemoteException e) { 1636 Log.e(TAG, "MountService not running?"); 1637 } 1638 } 1639 } break; 1640 case WRITE_SETTINGS: { 1641 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1642 synchronized (mPackages) { 1643 removeMessages(WRITE_SETTINGS); 1644 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1645 mSettings.writeLPr(); 1646 mDirtyUsers.clear(); 1647 } 1648 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1649 } break; 1650 case WRITE_PACKAGE_RESTRICTIONS: { 1651 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1652 synchronized (mPackages) { 1653 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1654 for (int userId : mDirtyUsers) { 1655 mSettings.writePackageRestrictionsLPr(userId); 1656 } 1657 mDirtyUsers.clear(); 1658 } 1659 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1660 } break; 1661 case CHECK_PENDING_VERIFICATION: { 1662 final int verificationId = msg.arg1; 1663 final PackageVerificationState state = mPendingVerification.get(verificationId); 1664 1665 if ((state != null) && !state.timeoutExtended()) { 1666 final InstallArgs args = state.getInstallArgs(); 1667 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1668 1669 Slog.i(TAG, "Verification timed out for " + originUri); 1670 mPendingVerification.remove(verificationId); 1671 1672 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1673 1674 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1675 Slog.i(TAG, "Continuing with installation of " + originUri); 1676 state.setVerifierResponse(Binder.getCallingUid(), 1677 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1678 broadcastPackageVerified(verificationId, originUri, 1679 PackageManager.VERIFICATION_ALLOW, 1680 state.getInstallArgs().getUser()); 1681 try { 1682 ret = args.copyApk(mContainerService, true); 1683 } catch (RemoteException e) { 1684 Slog.e(TAG, "Could not contact the ContainerService"); 1685 } 1686 } else { 1687 broadcastPackageVerified(verificationId, originUri, 1688 PackageManager.VERIFICATION_REJECT, 1689 state.getInstallArgs().getUser()); 1690 } 1691 1692 Trace.asyncTraceEnd( 1693 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1694 1695 processPendingInstall(args, ret); 1696 mHandler.sendEmptyMessage(MCS_UNBIND); 1697 } 1698 break; 1699 } 1700 case PACKAGE_VERIFIED: { 1701 final int verificationId = msg.arg1; 1702 1703 final PackageVerificationState state = mPendingVerification.get(verificationId); 1704 if (state == null) { 1705 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1706 break; 1707 } 1708 1709 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1710 1711 state.setVerifierResponse(response.callerUid, response.code); 1712 1713 if (state.isVerificationComplete()) { 1714 mPendingVerification.remove(verificationId); 1715 1716 final InstallArgs args = state.getInstallArgs(); 1717 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1718 1719 int ret; 1720 if (state.isInstallAllowed()) { 1721 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1722 broadcastPackageVerified(verificationId, originUri, 1723 response.code, state.getInstallArgs().getUser()); 1724 try { 1725 ret = args.copyApk(mContainerService, true); 1726 } catch (RemoteException e) { 1727 Slog.e(TAG, "Could not contact the ContainerService"); 1728 } 1729 } else { 1730 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1731 } 1732 1733 Trace.asyncTraceEnd( 1734 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1735 1736 processPendingInstall(args, ret); 1737 mHandler.sendEmptyMessage(MCS_UNBIND); 1738 } 1739 1740 break; 1741 } 1742 case START_INTENT_FILTER_VERIFICATIONS: { 1743 IFVerificationParams params = (IFVerificationParams) msg.obj; 1744 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1745 params.replacing, params.pkg); 1746 break; 1747 } 1748 case INTENT_FILTER_VERIFIED: { 1749 final int verificationId = msg.arg1; 1750 1751 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1752 verificationId); 1753 if (state == null) { 1754 Slog.w(TAG, "Invalid IntentFilter verification token " 1755 + verificationId + " received"); 1756 break; 1757 } 1758 1759 final int userId = state.getUserId(); 1760 1761 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1762 "Processing IntentFilter verification with token:" 1763 + verificationId + " and userId:" + userId); 1764 1765 final IntentFilterVerificationResponse response = 1766 (IntentFilterVerificationResponse) msg.obj; 1767 1768 state.setVerifierResponse(response.callerUid, response.code); 1769 1770 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1771 "IntentFilter verification with token:" + verificationId 1772 + " and userId:" + userId 1773 + " is settings verifier response with response code:" 1774 + response.code); 1775 1776 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1777 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1778 + response.getFailedDomainsString()); 1779 } 1780 1781 if (state.isVerificationComplete()) { 1782 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1783 } else { 1784 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1785 "IntentFilter verification with token:" + verificationId 1786 + " was not said to be complete"); 1787 } 1788 1789 break; 1790 } 1791 } 1792 } 1793 } 1794 1795 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1796 boolean killApp, String[] grantedPermissions, 1797 IPackageInstallObserver2 installObserver) { 1798 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1799 // Send the removed broadcasts 1800 if (res.removedInfo != null) { 1801 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1802 } 1803 1804 // Now that we successfully installed the package, grant runtime 1805 // permissions if requested before broadcasting the install. 1806 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1807 >= Build.VERSION_CODES.M) { 1808 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1809 } 1810 1811 final boolean update = res.removedInfo != null 1812 && res.removedInfo.removedPackage != null; 1813 1814 // If this is the first time we have child packages for a disabled privileged 1815 // app that had no children, we grant requested runtime permissions to the new 1816 // children if the parent on the system image had them already granted. 1817 if (res.pkg.parentPackage != null) { 1818 synchronized (mPackages) { 1819 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1820 } 1821 } 1822 1823 synchronized (mPackages) { 1824 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1825 } 1826 1827 final String packageName = res.pkg.applicationInfo.packageName; 1828 Bundle extras = new Bundle(1); 1829 extras.putInt(Intent.EXTRA_UID, res.uid); 1830 1831 // Determine the set of users who are adding this package for 1832 // the first time vs. those who are seeing an update. 1833 int[] firstUsers = EMPTY_INT_ARRAY; 1834 int[] updateUsers = EMPTY_INT_ARRAY; 1835 if (res.origUsers == null || res.origUsers.length == 0) { 1836 firstUsers = res.newUsers; 1837 } else { 1838 for (int newUser : res.newUsers) { 1839 boolean isNew = true; 1840 for (int origUser : res.origUsers) { 1841 if (origUser == newUser) { 1842 isNew = false; 1843 break; 1844 } 1845 } 1846 if (isNew) { 1847 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1848 } else { 1849 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1850 } 1851 } 1852 } 1853 1854 // Send installed broadcasts if the install/update is not ephemeral 1855 if (!isEphemeral(res.pkg)) { 1856 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1857 1858 // Send added for users that see the package for the first time 1859 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1860 extras, 0 /*flags*/, null /*targetPackage*/, 1861 null /*finishedReceiver*/, firstUsers); 1862 1863 // Send added for users that don't see the package for the first time 1864 if (update) { 1865 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1866 } 1867 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1868 extras, 0 /*flags*/, null /*targetPackage*/, 1869 null /*finishedReceiver*/, updateUsers); 1870 1871 // Send replaced for users that don't see the package for the first time 1872 if (update) { 1873 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1874 packageName, extras, 0 /*flags*/, 1875 null /*targetPackage*/, null /*finishedReceiver*/, 1876 updateUsers); 1877 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1878 null /*package*/, null /*extras*/, 0 /*flags*/, 1879 packageName /*targetPackage*/, 1880 null /*finishedReceiver*/, updateUsers); 1881 } 1882 1883 // Send broadcast package appeared if forward locked/external for all users 1884 // treat asec-hosted packages like removable media on upgrade 1885 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1886 if (DEBUG_INSTALL) { 1887 Slog.i(TAG, "upgrading pkg " + res.pkg 1888 + " is ASEC-hosted -> AVAILABLE"); 1889 } 1890 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1891 ArrayList<String> pkgList = new ArrayList<>(1); 1892 pkgList.add(packageName); 1893 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1894 } 1895 } 1896 1897 // Work that needs to happen on first install within each user 1898 if (firstUsers != null && firstUsers.length > 0) { 1899 synchronized (mPackages) { 1900 for (int userId : firstUsers) { 1901 // If this app is a browser and it's newly-installed for some 1902 // users, clear any default-browser state in those users. The 1903 // app's nature doesn't depend on the user, so we can just check 1904 // its browser nature in any user and generalize. 1905 if (packageIsBrowser(packageName, userId)) { 1906 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1907 } 1908 1909 // We may also need to apply pending (restored) runtime 1910 // permission grants within these users. 1911 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1912 } 1913 } 1914 } 1915 1916 // Log current value of "unknown sources" setting 1917 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1918 getUnknownSourcesSettings()); 1919 1920 // Force a gc to clear up things 1921 Runtime.getRuntime().gc(); 1922 1923 // Remove the replaced package's older resources safely now 1924 // We delete after a gc for applications on sdcard. 1925 if (res.removedInfo != null && res.removedInfo.args != null) { 1926 synchronized (mInstallLock) { 1927 res.removedInfo.args.doPostDeleteLI(true); 1928 } 1929 } 1930 } 1931 1932 // If someone is watching installs - notify them 1933 if (installObserver != null) { 1934 try { 1935 Bundle extras = extrasForInstallResult(res); 1936 installObserver.onPackageInstalled(res.name, res.returnCode, 1937 res.returnMsg, extras); 1938 } catch (RemoteException e) { 1939 Slog.i(TAG, "Observer no longer exists."); 1940 } 1941 } 1942 } 1943 1944 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1945 PackageParser.Package pkg) { 1946 if (pkg.parentPackage == null) { 1947 return; 1948 } 1949 if (pkg.requestedPermissions == null) { 1950 return; 1951 } 1952 final PackageSetting disabledSysParentPs = mSettings 1953 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1954 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1955 || !disabledSysParentPs.isPrivileged() 1956 || (disabledSysParentPs.childPackageNames != null 1957 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1958 return; 1959 } 1960 final int[] allUserIds = sUserManager.getUserIds(); 1961 final int permCount = pkg.requestedPermissions.size(); 1962 for (int i = 0; i < permCount; i++) { 1963 String permission = pkg.requestedPermissions.get(i); 1964 BasePermission bp = mSettings.mPermissions.get(permission); 1965 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1966 continue; 1967 } 1968 for (int userId : allUserIds) { 1969 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1970 permission, userId)) { 1971 grantRuntimePermission(pkg.packageName, permission, userId); 1972 } 1973 } 1974 } 1975 } 1976 1977 private StorageEventListener mStorageListener = new StorageEventListener() { 1978 @Override 1979 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1980 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1981 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1982 final String volumeUuid = vol.getFsUuid(); 1983 1984 // Clean up any users or apps that were removed or recreated 1985 // while this volume was missing 1986 reconcileUsers(volumeUuid); 1987 reconcileApps(volumeUuid); 1988 1989 // Clean up any install sessions that expired or were 1990 // cancelled while this volume was missing 1991 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1992 1993 loadPrivatePackages(vol); 1994 1995 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1996 unloadPrivatePackages(vol); 1997 } 1998 } 1999 2000 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2001 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2002 updateExternalMediaStatus(true, false); 2003 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2004 updateExternalMediaStatus(false, false); 2005 } 2006 } 2007 } 2008 2009 @Override 2010 public void onVolumeForgotten(String fsUuid) { 2011 if (TextUtils.isEmpty(fsUuid)) { 2012 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2013 return; 2014 } 2015 2016 // Remove any apps installed on the forgotten volume 2017 synchronized (mPackages) { 2018 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2019 for (PackageSetting ps : packages) { 2020 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2021 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2022 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2023 } 2024 2025 mSettings.onVolumeForgotten(fsUuid); 2026 mSettings.writeLPr(); 2027 } 2028 } 2029 }; 2030 2031 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2032 String[] grantedPermissions) { 2033 for (int userId : userIds) { 2034 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2035 } 2036 2037 // We could have touched GID membership, so flush out packages.list 2038 synchronized (mPackages) { 2039 mSettings.writePackageListLPr(); 2040 } 2041 } 2042 2043 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2044 String[] grantedPermissions) { 2045 SettingBase sb = (SettingBase) pkg.mExtras; 2046 if (sb == null) { 2047 return; 2048 } 2049 2050 PermissionsState permissionsState = sb.getPermissionsState(); 2051 2052 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2053 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2054 2055 for (String permission : pkg.requestedPermissions) { 2056 final BasePermission bp; 2057 synchronized (mPackages) { 2058 bp = mSettings.mPermissions.get(permission); 2059 } 2060 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2061 && (grantedPermissions == null 2062 || ArrayUtils.contains(grantedPermissions, permission))) { 2063 final int flags = permissionsState.getPermissionFlags(permission, userId); 2064 // Installer cannot change immutable permissions. 2065 if ((flags & immutableFlags) == 0) { 2066 grantRuntimePermission(pkg.packageName, permission, userId); 2067 } 2068 } 2069 } 2070 } 2071 2072 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2073 Bundle extras = null; 2074 switch (res.returnCode) { 2075 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2076 extras = new Bundle(); 2077 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2078 res.origPermission); 2079 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2080 res.origPackage); 2081 break; 2082 } 2083 case PackageManager.INSTALL_SUCCEEDED: { 2084 extras = new Bundle(); 2085 extras.putBoolean(Intent.EXTRA_REPLACING, 2086 res.removedInfo != null && res.removedInfo.removedPackage != null); 2087 break; 2088 } 2089 } 2090 return extras; 2091 } 2092 2093 void scheduleWriteSettingsLocked() { 2094 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2095 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2096 } 2097 } 2098 2099 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2100 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2101 scheduleWritePackageRestrictionsLocked(userId); 2102 } 2103 2104 void scheduleWritePackageRestrictionsLocked(int userId) { 2105 final int[] userIds = (userId == UserHandle.USER_ALL) 2106 ? sUserManager.getUserIds() : new int[]{userId}; 2107 for (int nextUserId : userIds) { 2108 if (!sUserManager.exists(nextUserId)) return; 2109 mDirtyUsers.add(nextUserId); 2110 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2111 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2112 } 2113 } 2114 } 2115 2116 public static PackageManagerService main(Context context, Installer installer, 2117 boolean factoryTest, boolean onlyCore) { 2118 // Self-check for initial settings. 2119 PackageManagerServiceCompilerMapping.checkProperties(); 2120 2121 PackageManagerService m = new PackageManagerService(context, installer, 2122 factoryTest, onlyCore); 2123 m.enableSystemUserPackages(); 2124 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2125 // disabled after already being started. 2126 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2127 UserHandle.USER_SYSTEM); 2128 ServiceManager.addService("package", m); 2129 return m; 2130 } 2131 2132 private void enableSystemUserPackages() { 2133 if (!UserManager.isSplitSystemUser()) { 2134 return; 2135 } 2136 // For system user, enable apps based on the following conditions: 2137 // - app is whitelisted or belong to one of these groups: 2138 // -- system app which has no launcher icons 2139 // -- system app which has INTERACT_ACROSS_USERS permission 2140 // -- system IME app 2141 // - app is not in the blacklist 2142 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2143 Set<String> enableApps = new ArraySet<>(); 2144 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2145 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2146 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2147 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2148 enableApps.addAll(wlApps); 2149 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2150 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2151 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2152 enableApps.removeAll(blApps); 2153 Log.i(TAG, "Applications installed for system user: " + enableApps); 2154 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2155 UserHandle.SYSTEM); 2156 final int allAppsSize = allAps.size(); 2157 synchronized (mPackages) { 2158 for (int i = 0; i < allAppsSize; i++) { 2159 String pName = allAps.get(i); 2160 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2161 // Should not happen, but we shouldn't be failing if it does 2162 if (pkgSetting == null) { 2163 continue; 2164 } 2165 boolean install = enableApps.contains(pName); 2166 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2167 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2168 + " for system user"); 2169 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2170 } 2171 } 2172 } 2173 } 2174 2175 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2176 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2177 Context.DISPLAY_SERVICE); 2178 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2179 } 2180 2181 public PackageManagerService(Context context, Installer installer, 2182 boolean factoryTest, boolean onlyCore) { 2183 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2184 SystemClock.uptimeMillis()); 2185 2186 if (mSdkVersion <= 0) { 2187 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2188 } 2189 2190 mContext = context; 2191 mFactoryTest = factoryTest; 2192 mOnlyCore = onlyCore; 2193 mMetrics = new DisplayMetrics(); 2194 mSettings = new Settings(mPackages); 2195 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2196 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2197 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2198 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2199 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2200 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2201 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2202 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2203 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2204 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2205 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2206 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2207 2208 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2209 if (separateProcesses != null && separateProcesses.length() > 0) { 2210 if ("*".equals(separateProcesses)) { 2211 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2212 mSeparateProcesses = null; 2213 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2214 } else { 2215 mDefParseFlags = 0; 2216 mSeparateProcesses = separateProcesses.split(","); 2217 Slog.w(TAG, "Running with debug.separate_processes: " 2218 + separateProcesses); 2219 } 2220 } else { 2221 mDefParseFlags = 0; 2222 mSeparateProcesses = null; 2223 } 2224 2225 mInstaller = installer; 2226 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2227 "*dexopt*"); 2228 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2229 2230 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2231 FgThread.get().getLooper()); 2232 2233 getDefaultDisplayMetrics(context, mMetrics); 2234 2235 SystemConfig systemConfig = SystemConfig.getInstance(); 2236 mGlobalGids = systemConfig.getGlobalGids(); 2237 mSystemPermissions = systemConfig.getSystemPermissions(); 2238 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2239 2240 synchronized (mInstallLock) { 2241 // writer 2242 synchronized (mPackages) { 2243 mHandlerThread = new ServiceThread(TAG, 2244 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2245 mHandlerThread.start(); 2246 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2247 mProcessLoggingHandler = new ProcessLoggingHandler(); 2248 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2249 2250 File dataDir = Environment.getDataDirectory(); 2251 mAppInstallDir = new File(dataDir, "app"); 2252 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2253 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2254 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2255 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2256 2257 sUserManager = new UserManagerService(context, this, mPackages); 2258 2259 // Propagate permission configuration in to package manager. 2260 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2261 = systemConfig.getPermissions(); 2262 for (int i=0; i<permConfig.size(); i++) { 2263 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2264 BasePermission bp = mSettings.mPermissions.get(perm.name); 2265 if (bp == null) { 2266 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2267 mSettings.mPermissions.put(perm.name, bp); 2268 } 2269 if (perm.gids != null) { 2270 bp.setGids(perm.gids, perm.perUser); 2271 } 2272 } 2273 2274 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2275 for (int i=0; i<libConfig.size(); i++) { 2276 mSharedLibraries.put(libConfig.keyAt(i), 2277 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2278 } 2279 2280 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2281 2282 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2283 2284 String customResolverActivity = Resources.getSystem().getString( 2285 R.string.config_customResolverActivity); 2286 if (TextUtils.isEmpty(customResolverActivity)) { 2287 customResolverActivity = null; 2288 } else { 2289 mCustomResolverComponentName = ComponentName.unflattenFromString( 2290 customResolverActivity); 2291 } 2292 2293 long startTime = SystemClock.uptimeMillis(); 2294 2295 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2296 startTime); 2297 2298 // Set flag to monitor and not change apk file paths when 2299 // scanning install directories. 2300 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2301 2302 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2303 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2304 2305 if (bootClassPath == null) { 2306 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2307 } 2308 2309 if (systemServerClassPath == null) { 2310 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2311 } 2312 2313 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2314 final String[] dexCodeInstructionSets = 2315 getDexCodeInstructionSets( 2316 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2317 2318 /** 2319 * Ensure all external libraries have had dexopt run on them. 2320 */ 2321 if (mSharedLibraries.size() > 0) { 2322 // NOTE: For now, we're compiling these system "shared libraries" 2323 // (and framework jars) into all available architectures. It's possible 2324 // to compile them only when we come across an app that uses them (there's 2325 // already logic for that in scanPackageLI) but that adds some complexity. 2326 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2327 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2328 final String lib = libEntry.path; 2329 if (lib == null) { 2330 continue; 2331 } 2332 2333 try { 2334 // Shared libraries do not have profiles so we perform a full 2335 // AOT compilation (if needed). 2336 int dexoptNeeded = DexFile.getDexOptNeeded( 2337 lib, dexCodeInstructionSet, 2338 getCompilerFilterForReason(REASON_SHARED_APK), 2339 false /* newProfile */); 2340 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2341 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2342 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2343 getCompilerFilterForReason(REASON_SHARED_APK), 2344 StorageManager.UUID_PRIVATE_INTERNAL); 2345 } 2346 } catch (FileNotFoundException e) { 2347 Slog.w(TAG, "Library not found: " + lib); 2348 } catch (IOException | InstallerException e) { 2349 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2350 + e.getMessage()); 2351 } 2352 } 2353 } 2354 } 2355 2356 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2357 2358 final VersionInfo ver = mSettings.getInternalVersion(); 2359 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2360 2361 // when upgrading from pre-M, promote system app permissions from install to runtime 2362 mPromoteSystemApps = 2363 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2364 2365 // save off the names of pre-existing system packages prior to scanning; we don't 2366 // want to automatically grant runtime permissions for new system apps 2367 if (mPromoteSystemApps) { 2368 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2369 while (pkgSettingIter.hasNext()) { 2370 PackageSetting ps = pkgSettingIter.next(); 2371 if (isSystemApp(ps)) { 2372 mExistingSystemPackages.add(ps.name); 2373 } 2374 } 2375 } 2376 2377 // When upgrading from pre-N, we need to handle package extraction like first boot, 2378 // as there is no profiling data available. 2379 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2380 mSettings.setNWorkDone(); 2381 2382 // Collect vendor overlay packages. 2383 // (Do this before scanning any apps.) 2384 // For security and version matching reason, only consider 2385 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2386 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2387 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2388 | PackageParser.PARSE_IS_SYSTEM 2389 | PackageParser.PARSE_IS_SYSTEM_DIR 2390 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2391 2392 // Find base frameworks (resource packages without code). 2393 scanDirTracedLI(frameworkDir, mDefParseFlags 2394 | PackageParser.PARSE_IS_SYSTEM 2395 | PackageParser.PARSE_IS_SYSTEM_DIR 2396 | PackageParser.PARSE_IS_PRIVILEGED, 2397 scanFlags | SCAN_NO_DEX, 0); 2398 2399 // Collected privileged system packages. 2400 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2401 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2402 | PackageParser.PARSE_IS_SYSTEM 2403 | PackageParser.PARSE_IS_SYSTEM_DIR 2404 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2405 2406 // Collect ordinary system packages. 2407 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2408 scanDirTracedLI(systemAppDir, mDefParseFlags 2409 | PackageParser.PARSE_IS_SYSTEM 2410 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2411 2412 // Collect all vendor packages. 2413 File vendorAppDir = new File("/vendor/app"); 2414 try { 2415 vendorAppDir = vendorAppDir.getCanonicalFile(); 2416 } catch (IOException e) { 2417 // failed to look up canonical path, continue with original one 2418 } 2419 scanDirTracedLI(vendorAppDir, mDefParseFlags 2420 | PackageParser.PARSE_IS_SYSTEM 2421 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2422 2423 // Collect all OEM packages. 2424 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2425 scanDirTracedLI(oemAppDir, mDefParseFlags 2426 | PackageParser.PARSE_IS_SYSTEM 2427 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2428 2429 // Prune any system packages that no longer exist. 2430 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2431 if (!mOnlyCore) { 2432 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2433 while (psit.hasNext()) { 2434 PackageSetting ps = psit.next(); 2435 2436 /* 2437 * If this is not a system app, it can't be a 2438 * disable system app. 2439 */ 2440 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2441 continue; 2442 } 2443 2444 /* 2445 * If the package is scanned, it's not erased. 2446 */ 2447 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2448 if (scannedPkg != null) { 2449 /* 2450 * If the system app is both scanned and in the 2451 * disabled packages list, then it must have been 2452 * added via OTA. Remove it from the currently 2453 * scanned package so the previously user-installed 2454 * application can be scanned. 2455 */ 2456 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2457 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2458 + ps.name + "; removing system app. Last known codePath=" 2459 + ps.codePathString + ", installStatus=" + ps.installStatus 2460 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2461 + scannedPkg.mVersionCode); 2462 removePackageLI(scannedPkg, true); 2463 mExpectingBetter.put(ps.name, ps.codePath); 2464 } 2465 2466 continue; 2467 } 2468 2469 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2470 psit.remove(); 2471 logCriticalInfo(Log.WARN, "System package " + ps.name 2472 + " no longer exists; it's data will be wiped"); 2473 // Actual deletion of code and data will be handled by later 2474 // reconciliation step 2475 } else { 2476 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2477 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2478 possiblyDeletedUpdatedSystemApps.add(ps.name); 2479 } 2480 } 2481 } 2482 } 2483 2484 //look for any incomplete package installations 2485 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2486 for (int i = 0; i < deletePkgsList.size(); i++) { 2487 // Actual deletion of code and data will be handled by later 2488 // reconciliation step 2489 final String packageName = deletePkgsList.get(i).name; 2490 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2491 synchronized (mPackages) { 2492 mSettings.removePackageLPw(packageName); 2493 } 2494 } 2495 2496 //delete tmp files 2497 deleteTempPackageFiles(); 2498 2499 // Remove any shared userIDs that have no associated packages 2500 mSettings.pruneSharedUsersLPw(); 2501 2502 if (!mOnlyCore) { 2503 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2504 SystemClock.uptimeMillis()); 2505 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2506 2507 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2508 | PackageParser.PARSE_FORWARD_LOCK, 2509 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2510 2511 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2512 | PackageParser.PARSE_IS_EPHEMERAL, 2513 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2514 2515 /** 2516 * Remove disable package settings for any updated system 2517 * apps that were removed via an OTA. If they're not a 2518 * previously-updated app, remove them completely. 2519 * Otherwise, just revoke their system-level permissions. 2520 */ 2521 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2522 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2523 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2524 2525 String msg; 2526 if (deletedPkg == null) { 2527 msg = "Updated system package " + deletedAppName 2528 + " no longer exists; it's data will be wiped"; 2529 // Actual deletion of code and data will be handled by later 2530 // reconciliation step 2531 } else { 2532 msg = "Updated system app + " + deletedAppName 2533 + " no longer present; removing system privileges for " 2534 + deletedAppName; 2535 2536 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2537 2538 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2539 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2540 } 2541 logCriticalInfo(Log.WARN, msg); 2542 } 2543 2544 /** 2545 * Make sure all system apps that we expected to appear on 2546 * the userdata partition actually showed up. If they never 2547 * appeared, crawl back and revive the system version. 2548 */ 2549 for (int i = 0; i < mExpectingBetter.size(); i++) { 2550 final String packageName = mExpectingBetter.keyAt(i); 2551 if (!mPackages.containsKey(packageName)) { 2552 final File scanFile = mExpectingBetter.valueAt(i); 2553 2554 logCriticalInfo(Log.WARN, "Expected better " + packageName 2555 + " but never showed up; reverting to system"); 2556 2557 int reparseFlags = mDefParseFlags; 2558 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2559 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2560 | PackageParser.PARSE_IS_SYSTEM_DIR 2561 | PackageParser.PARSE_IS_PRIVILEGED; 2562 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2563 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2564 | PackageParser.PARSE_IS_SYSTEM_DIR; 2565 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2566 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2567 | PackageParser.PARSE_IS_SYSTEM_DIR; 2568 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2569 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2570 | PackageParser.PARSE_IS_SYSTEM_DIR; 2571 } else { 2572 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2573 continue; 2574 } 2575 2576 mSettings.enableSystemPackageLPw(packageName); 2577 2578 try { 2579 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2580 } catch (PackageManagerException e) { 2581 Slog.e(TAG, "Failed to parse original system package: " 2582 + e.getMessage()); 2583 } 2584 } 2585 } 2586 } 2587 mExpectingBetter.clear(); 2588 2589 // Resolve protected action filters. Only the setup wizard is allowed to 2590 // have a high priority filter for these actions. 2591 mSetupWizardPackage = getSetupWizardPackageName(); 2592 if (mProtectedFilters.size() > 0) { 2593 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2594 Slog.i(TAG, "No setup wizard;" 2595 + " All protected intents capped to priority 0"); 2596 } 2597 for (ActivityIntentInfo filter : mProtectedFilters) { 2598 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2599 if (DEBUG_FILTERS) { 2600 Slog.i(TAG, "Found setup wizard;" 2601 + " allow priority " + filter.getPriority() + ";" 2602 + " package: " + filter.activity.info.packageName 2603 + " activity: " + filter.activity.className 2604 + " priority: " + filter.getPriority()); 2605 } 2606 // skip setup wizard; allow it to keep the high priority filter 2607 continue; 2608 } 2609 Slog.w(TAG, "Protected action; cap priority to 0;" 2610 + " package: " + filter.activity.info.packageName 2611 + " activity: " + filter.activity.className 2612 + " origPrio: " + filter.getPriority()); 2613 filter.setPriority(0); 2614 } 2615 } 2616 mDeferProtectedFilters = false; 2617 mProtectedFilters.clear(); 2618 2619 // Now that we know all of the shared libraries, update all clients to have 2620 // the correct library paths. 2621 updateAllSharedLibrariesLPw(); 2622 2623 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2624 // NOTE: We ignore potential failures here during a system scan (like 2625 // the rest of the commands above) because there's precious little we 2626 // can do about it. A settings error is reported, though. 2627 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2628 false /* boot complete */); 2629 } 2630 2631 // Now that we know all the packages we are keeping, 2632 // read and update their last usage times. 2633 mPackageUsage.readLP(); 2634 2635 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2636 SystemClock.uptimeMillis()); 2637 Slog.i(TAG, "Time to scan packages: " 2638 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2639 + " seconds"); 2640 2641 // If the platform SDK has changed since the last time we booted, 2642 // we need to re-grant app permission to catch any new ones that 2643 // appear. This is really a hack, and means that apps can in some 2644 // cases get permissions that the user didn't initially explicitly 2645 // allow... it would be nice to have some better way to handle 2646 // this situation. 2647 int updateFlags = UPDATE_PERMISSIONS_ALL; 2648 if (ver.sdkVersion != mSdkVersion) { 2649 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2650 + mSdkVersion + "; regranting permissions for internal storage"); 2651 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2652 } 2653 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2654 ver.sdkVersion = mSdkVersion; 2655 2656 // If this is the first boot or an update from pre-M, and it is a normal 2657 // boot, then we need to initialize the default preferred apps across 2658 // all defined users. 2659 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2660 for (UserInfo user : sUserManager.getUsers(true)) { 2661 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2662 applyFactoryDefaultBrowserLPw(user.id); 2663 primeDomainVerificationsLPw(user.id); 2664 } 2665 } 2666 2667 // Prepare storage for system user really early during boot, 2668 // since core system apps like SettingsProvider and SystemUI 2669 // can't wait for user to start 2670 final int storageFlags; 2671 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2672 storageFlags = StorageManager.FLAG_STORAGE_DE; 2673 } else { 2674 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2675 } 2676 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2677 storageFlags); 2678 2679 // If this is first boot after an OTA, and a normal boot, then 2680 // we need to clear code cache directories. 2681 if (mIsUpgrade && !onlyCore) { 2682 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2683 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2684 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2685 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2686 // No apps are running this early, so no need to freeze 2687 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2688 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2689 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2690 } 2691 clearAppProfilesLIF(ps.pkg); 2692 } 2693 ver.fingerprint = Build.FINGERPRINT; 2694 } 2695 2696 checkDefaultBrowser(); 2697 2698 // clear only after permissions and other defaults have been updated 2699 mExistingSystemPackages.clear(); 2700 mPromoteSystemApps = false; 2701 2702 // All the changes are done during package scanning. 2703 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2704 2705 // can downgrade to reader 2706 mSettings.writeLPr(); 2707 2708 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2709 SystemClock.uptimeMillis()); 2710 2711 if (!mOnlyCore) { 2712 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2713 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2714 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2715 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2716 mIntentFilterVerifierComponent); 2717 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2718 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2719 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2720 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2721 } else { 2722 mRequiredVerifierPackage = null; 2723 mRequiredInstallerPackage = null; 2724 mIntentFilterVerifierComponent = null; 2725 mIntentFilterVerifier = null; 2726 mServicesSystemSharedLibraryPackageName = null; 2727 mSharedSystemSharedLibraryPackageName = null; 2728 } 2729 2730 mInstallerService = new PackageInstallerService(context, this); 2731 2732 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2733 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2734 // both the installer and resolver must be present to enable ephemeral 2735 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2736 if (DEBUG_EPHEMERAL) { 2737 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2738 + " installer:" + ephemeralInstallerComponent); 2739 } 2740 mEphemeralResolverComponent = ephemeralResolverComponent; 2741 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2742 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2743 mEphemeralResolverConnection = 2744 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2745 } else { 2746 if (DEBUG_EPHEMERAL) { 2747 final String missingComponent = 2748 (ephemeralResolverComponent == null) 2749 ? (ephemeralInstallerComponent == null) 2750 ? "resolver and installer" 2751 : "resolver" 2752 : "installer"; 2753 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2754 } 2755 mEphemeralResolverComponent = null; 2756 mEphemeralInstallerComponent = null; 2757 mEphemeralResolverConnection = null; 2758 } 2759 2760 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2761 } // synchronized (mPackages) 2762 } // synchronized (mInstallLock) 2763 2764 // Now after opening every single application zip, make sure they 2765 // are all flushed. Not really needed, but keeps things nice and 2766 // tidy. 2767 Runtime.getRuntime().gc(); 2768 2769 // The initial scanning above does many calls into installd while 2770 // holding the mPackages lock, but we're mostly interested in yelling 2771 // once we have a booted system. 2772 mInstaller.setWarnIfHeld(mPackages); 2773 2774 // Expose private service for system components to use. 2775 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2776 } 2777 2778 @Override 2779 public boolean isFirstBoot() { 2780 return !mRestoredSettings; 2781 } 2782 2783 @Override 2784 public boolean isOnlyCoreApps() { 2785 return mOnlyCore; 2786 } 2787 2788 @Override 2789 public boolean isUpgrade() { 2790 return mIsUpgrade; 2791 } 2792 2793 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2794 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2795 2796 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2797 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2798 UserHandle.USER_SYSTEM); 2799 if (matches.size() == 1) { 2800 return matches.get(0).getComponentInfo().packageName; 2801 } else { 2802 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2803 return null; 2804 } 2805 } 2806 2807 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2808 synchronized (mPackages) { 2809 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2810 if (libraryEntry == null) { 2811 throw new IllegalStateException("Missing required shared library:" + libraryName); 2812 } 2813 return libraryEntry.apk; 2814 } 2815 } 2816 2817 private @NonNull String getRequiredInstallerLPr() { 2818 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2819 intent.addCategory(Intent.CATEGORY_DEFAULT); 2820 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2821 2822 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2823 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2824 UserHandle.USER_SYSTEM); 2825 if (matches.size() == 1) { 2826 ResolveInfo resolveInfo = matches.get(0); 2827 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2828 throw new RuntimeException("The installer must be a privileged app"); 2829 } 2830 return matches.get(0).getComponentInfo().packageName; 2831 } else { 2832 throw new RuntimeException("There must be exactly one installer; found " + matches); 2833 } 2834 } 2835 2836 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2837 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2838 2839 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2840 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2841 UserHandle.USER_SYSTEM); 2842 ResolveInfo best = null; 2843 final int N = matches.size(); 2844 for (int i = 0; i < N; i++) { 2845 final ResolveInfo cur = matches.get(i); 2846 final String packageName = cur.getComponentInfo().packageName; 2847 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2848 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2849 continue; 2850 } 2851 2852 if (best == null || cur.priority > best.priority) { 2853 best = cur; 2854 } 2855 } 2856 2857 if (best != null) { 2858 return best.getComponentInfo().getComponentName(); 2859 } else { 2860 throw new RuntimeException("There must be at least one intent filter verifier"); 2861 } 2862 } 2863 2864 private @Nullable ComponentName getEphemeralResolverLPr() { 2865 final String[] packageArray = 2866 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2867 if (packageArray.length == 0) { 2868 if (DEBUG_EPHEMERAL) { 2869 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2870 } 2871 return null; 2872 } 2873 2874 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2875 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2876 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2877 UserHandle.USER_SYSTEM); 2878 2879 final int N = resolvers.size(); 2880 if (N == 0) { 2881 if (DEBUG_EPHEMERAL) { 2882 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2883 } 2884 return null; 2885 } 2886 2887 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2888 for (int i = 0; i < N; i++) { 2889 final ResolveInfo info = resolvers.get(i); 2890 2891 if (info.serviceInfo == null) { 2892 continue; 2893 } 2894 2895 final String packageName = info.serviceInfo.packageName; 2896 if (!possiblePackages.contains(packageName)) { 2897 if (DEBUG_EPHEMERAL) { 2898 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2899 + " pkg: " + packageName + ", info:" + info); 2900 } 2901 continue; 2902 } 2903 2904 if (DEBUG_EPHEMERAL) { 2905 Slog.v(TAG, "Ephemeral resolver found;" 2906 + " pkg: " + packageName + ", info:" + info); 2907 } 2908 return new ComponentName(packageName, info.serviceInfo.name); 2909 } 2910 if (DEBUG_EPHEMERAL) { 2911 Slog.v(TAG, "Ephemeral resolver NOT found"); 2912 } 2913 return null; 2914 } 2915 2916 private @Nullable ComponentName getEphemeralInstallerLPr() { 2917 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2918 intent.addCategory(Intent.CATEGORY_DEFAULT); 2919 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2920 2921 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2922 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2923 UserHandle.USER_SYSTEM); 2924 if (matches.size() == 0) { 2925 return null; 2926 } else if (matches.size() == 1) { 2927 return matches.get(0).getComponentInfo().getComponentName(); 2928 } else { 2929 throw new RuntimeException( 2930 "There must be at most one ephemeral installer; found " + matches); 2931 } 2932 } 2933 2934 private void primeDomainVerificationsLPw(int userId) { 2935 if (DEBUG_DOMAIN_VERIFICATION) { 2936 Slog.d(TAG, "Priming domain verifications in user " + userId); 2937 } 2938 2939 SystemConfig systemConfig = SystemConfig.getInstance(); 2940 ArraySet<String> packages = systemConfig.getLinkedApps(); 2941 ArraySet<String> domains = new ArraySet<String>(); 2942 2943 for (String packageName : packages) { 2944 PackageParser.Package pkg = mPackages.get(packageName); 2945 if (pkg != null) { 2946 if (!pkg.isSystemApp()) { 2947 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2948 continue; 2949 } 2950 2951 domains.clear(); 2952 for (PackageParser.Activity a : pkg.activities) { 2953 for (ActivityIntentInfo filter : a.intents) { 2954 if (hasValidDomains(filter)) { 2955 domains.addAll(filter.getHostsList()); 2956 } 2957 } 2958 } 2959 2960 if (domains.size() > 0) { 2961 if (DEBUG_DOMAIN_VERIFICATION) { 2962 Slog.v(TAG, " + " + packageName); 2963 } 2964 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2965 // state w.r.t. the formal app-linkage "no verification attempted" state; 2966 // and then 'always' in the per-user state actually used for intent resolution. 2967 final IntentFilterVerificationInfo ivi; 2968 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2969 new ArrayList<String>(domains)); 2970 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2971 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2972 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2973 } else { 2974 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2975 + "' does not handle web links"); 2976 } 2977 } else { 2978 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2979 } 2980 } 2981 2982 scheduleWritePackageRestrictionsLocked(userId); 2983 scheduleWriteSettingsLocked(); 2984 } 2985 2986 private void applyFactoryDefaultBrowserLPw(int userId) { 2987 // The default browser app's package name is stored in a string resource, 2988 // with a product-specific overlay used for vendor customization. 2989 String browserPkg = mContext.getResources().getString( 2990 com.android.internal.R.string.default_browser); 2991 if (!TextUtils.isEmpty(browserPkg)) { 2992 // non-empty string => required to be a known package 2993 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2994 if (ps == null) { 2995 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2996 browserPkg = null; 2997 } else { 2998 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2999 } 3000 } 3001 3002 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3003 // default. If there's more than one, just leave everything alone. 3004 if (browserPkg == null) { 3005 calculateDefaultBrowserLPw(userId); 3006 } 3007 } 3008 3009 private void calculateDefaultBrowserLPw(int userId) { 3010 List<String> allBrowsers = resolveAllBrowserApps(userId); 3011 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3012 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3013 } 3014 3015 private List<String> resolveAllBrowserApps(int userId) { 3016 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3017 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3018 PackageManager.MATCH_ALL, userId); 3019 3020 final int count = list.size(); 3021 List<String> result = new ArrayList<String>(count); 3022 for (int i=0; i<count; i++) { 3023 ResolveInfo info = list.get(i); 3024 if (info.activityInfo == null 3025 || !info.handleAllWebDataURI 3026 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3027 || result.contains(info.activityInfo.packageName)) { 3028 continue; 3029 } 3030 result.add(info.activityInfo.packageName); 3031 } 3032 3033 return result; 3034 } 3035 3036 private boolean packageIsBrowser(String packageName, int userId) { 3037 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3038 PackageManager.MATCH_ALL, userId); 3039 final int N = list.size(); 3040 for (int i = 0; i < N; i++) { 3041 ResolveInfo info = list.get(i); 3042 if (packageName.equals(info.activityInfo.packageName)) { 3043 return true; 3044 } 3045 } 3046 return false; 3047 } 3048 3049 private void checkDefaultBrowser() { 3050 final int myUserId = UserHandle.myUserId(); 3051 final String packageName = getDefaultBrowserPackageName(myUserId); 3052 if (packageName != null) { 3053 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3054 if (info == null) { 3055 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3056 synchronized (mPackages) { 3057 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3058 } 3059 } 3060 } 3061 } 3062 3063 @Override 3064 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3065 throws RemoteException { 3066 try { 3067 return super.onTransact(code, data, reply, flags); 3068 } catch (RuntimeException e) { 3069 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3070 Slog.wtf(TAG, "Package Manager Crash", e); 3071 } 3072 throw e; 3073 } 3074 } 3075 3076 static int[] appendInts(int[] cur, int[] add) { 3077 if (add == null) return cur; 3078 if (cur == null) return add; 3079 final int N = add.length; 3080 for (int i=0; i<N; i++) { 3081 cur = appendInt(cur, add[i]); 3082 } 3083 return cur; 3084 } 3085 3086 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3087 if (!sUserManager.exists(userId)) return null; 3088 if (ps == null) { 3089 return null; 3090 } 3091 final PackageParser.Package p = ps.pkg; 3092 if (p == null) { 3093 return null; 3094 } 3095 3096 final PermissionsState permissionsState = ps.getPermissionsState(); 3097 3098 final int[] gids = permissionsState.computeGids(userId); 3099 final Set<String> permissions = permissionsState.getPermissions(userId); 3100 final PackageUserState state = ps.readUserState(userId); 3101 3102 return PackageParser.generatePackageInfo(p, gids, flags, 3103 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3104 } 3105 3106 @Override 3107 public void checkPackageStartable(String packageName, int userId) { 3108 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 3109 3110 synchronized (mPackages) { 3111 final PackageSetting ps = mSettings.mPackages.get(packageName); 3112 if (ps == null) { 3113 throw new SecurityException("Package " + packageName + " was not found!"); 3114 } 3115 3116 if (!ps.getInstalled(userId)) { 3117 throw new SecurityException( 3118 "Package " + packageName + " was not installed for user " + userId + "!"); 3119 } 3120 3121 if (mSafeMode && !ps.isSystem()) { 3122 throw new SecurityException("Package " + packageName + " not a system app!"); 3123 } 3124 3125 if (mFrozenPackages.contains(packageName)) { 3126 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3127 } 3128 3129 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3130 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3131 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3132 } 3133 } 3134 } 3135 3136 @Override 3137 public boolean isPackageAvailable(String packageName, int userId) { 3138 if (!sUserManager.exists(userId)) return false; 3139 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3140 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3141 synchronized (mPackages) { 3142 PackageParser.Package p = mPackages.get(packageName); 3143 if (p != null) { 3144 final PackageSetting ps = (PackageSetting) p.mExtras; 3145 if (ps != null) { 3146 final PackageUserState state = ps.readUserState(userId); 3147 if (state != null) { 3148 return PackageParser.isAvailable(state); 3149 } 3150 } 3151 } 3152 } 3153 return false; 3154 } 3155 3156 @Override 3157 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3158 if (!sUserManager.exists(userId)) return null; 3159 flags = updateFlagsForPackage(flags, userId, packageName); 3160 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3161 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3162 // reader 3163 synchronized (mPackages) { 3164 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3165 PackageParser.Package p = null; 3166 if (matchFactoryOnly) { 3167 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3168 if (ps != null) { 3169 return generatePackageInfo(ps, flags, userId); 3170 } 3171 } 3172 if (p == null) { 3173 p = mPackages.get(packageName); 3174 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3175 return null; 3176 } 3177 } 3178 if (DEBUG_PACKAGE_INFO) 3179 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3180 if (p != null) { 3181 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3182 } 3183 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3184 final PackageSetting ps = mSettings.mPackages.get(packageName); 3185 return generatePackageInfo(ps, flags, userId); 3186 } 3187 } 3188 return null; 3189 } 3190 3191 @Override 3192 public String[] currentToCanonicalPackageNames(String[] names) { 3193 String[] out = new String[names.length]; 3194 // reader 3195 synchronized (mPackages) { 3196 for (int i=names.length-1; i>=0; i--) { 3197 PackageSetting ps = mSettings.mPackages.get(names[i]); 3198 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3199 } 3200 } 3201 return out; 3202 } 3203 3204 @Override 3205 public String[] canonicalToCurrentPackageNames(String[] names) { 3206 String[] out = new String[names.length]; 3207 // reader 3208 synchronized (mPackages) { 3209 for (int i=names.length-1; i>=0; i--) { 3210 String cur = mSettings.mRenamedPackages.get(names[i]); 3211 out[i] = cur != null ? cur : names[i]; 3212 } 3213 } 3214 return out; 3215 } 3216 3217 @Override 3218 public int getPackageUid(String packageName, int flags, int userId) { 3219 if (!sUserManager.exists(userId)) return -1; 3220 flags = updateFlagsForPackage(flags, userId, packageName); 3221 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3222 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3223 3224 // reader 3225 synchronized (mPackages) { 3226 final PackageParser.Package p = mPackages.get(packageName); 3227 if (p != null && p.isMatch(flags)) { 3228 return UserHandle.getUid(userId, p.applicationInfo.uid); 3229 } 3230 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3231 final PackageSetting ps = mSettings.mPackages.get(packageName); 3232 if (ps != null && ps.isMatch(flags)) { 3233 return UserHandle.getUid(userId, ps.appId); 3234 } 3235 } 3236 } 3237 3238 return -1; 3239 } 3240 3241 @Override 3242 public int[] getPackageGids(String packageName, int flags, int userId) { 3243 if (!sUserManager.exists(userId)) return null; 3244 flags = updateFlagsForPackage(flags, userId, packageName); 3245 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3246 false /* requireFullPermission */, false /* checkShell */, 3247 "getPackageGids"); 3248 3249 // reader 3250 synchronized (mPackages) { 3251 final PackageParser.Package p = mPackages.get(packageName); 3252 if (p != null && p.isMatch(flags)) { 3253 PackageSetting ps = (PackageSetting) p.mExtras; 3254 return ps.getPermissionsState().computeGids(userId); 3255 } 3256 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3257 final PackageSetting ps = mSettings.mPackages.get(packageName); 3258 if (ps != null && ps.isMatch(flags)) { 3259 return ps.getPermissionsState().computeGids(userId); 3260 } 3261 } 3262 } 3263 3264 return null; 3265 } 3266 3267 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3268 if (bp.perm != null) { 3269 return PackageParser.generatePermissionInfo(bp.perm, flags); 3270 } 3271 PermissionInfo pi = new PermissionInfo(); 3272 pi.name = bp.name; 3273 pi.packageName = bp.sourcePackage; 3274 pi.nonLocalizedLabel = bp.name; 3275 pi.protectionLevel = bp.protectionLevel; 3276 return pi; 3277 } 3278 3279 @Override 3280 public PermissionInfo getPermissionInfo(String name, int flags) { 3281 // reader 3282 synchronized (mPackages) { 3283 final BasePermission p = mSettings.mPermissions.get(name); 3284 if (p != null) { 3285 return generatePermissionInfo(p, flags); 3286 } 3287 return null; 3288 } 3289 } 3290 3291 @Override 3292 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3293 int flags) { 3294 // reader 3295 synchronized (mPackages) { 3296 if (group != null && !mPermissionGroups.containsKey(group)) { 3297 // This is thrown as NameNotFoundException 3298 return null; 3299 } 3300 3301 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3302 for (BasePermission p : mSettings.mPermissions.values()) { 3303 if (group == null) { 3304 if (p.perm == null || p.perm.info.group == null) { 3305 out.add(generatePermissionInfo(p, flags)); 3306 } 3307 } else { 3308 if (p.perm != null && group.equals(p.perm.info.group)) { 3309 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3310 } 3311 } 3312 } 3313 return new ParceledListSlice<>(out); 3314 } 3315 } 3316 3317 @Override 3318 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3319 // reader 3320 synchronized (mPackages) { 3321 return PackageParser.generatePermissionGroupInfo( 3322 mPermissionGroups.get(name), flags); 3323 } 3324 } 3325 3326 @Override 3327 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3328 // reader 3329 synchronized (mPackages) { 3330 final int N = mPermissionGroups.size(); 3331 ArrayList<PermissionGroupInfo> out 3332 = new ArrayList<PermissionGroupInfo>(N); 3333 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3334 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3335 } 3336 return new ParceledListSlice<>(out); 3337 } 3338 } 3339 3340 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3341 int userId) { 3342 if (!sUserManager.exists(userId)) return null; 3343 PackageSetting ps = mSettings.mPackages.get(packageName); 3344 if (ps != null) { 3345 if (ps.pkg == null) { 3346 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3347 if (pInfo != null) { 3348 return pInfo.applicationInfo; 3349 } 3350 return null; 3351 } 3352 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3353 ps.readUserState(userId), userId); 3354 } 3355 return null; 3356 } 3357 3358 @Override 3359 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3360 if (!sUserManager.exists(userId)) return null; 3361 flags = updateFlagsForApplication(flags, userId, packageName); 3362 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3363 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3364 // writer 3365 synchronized (mPackages) { 3366 PackageParser.Package p = mPackages.get(packageName); 3367 if (DEBUG_PACKAGE_INFO) Log.v( 3368 TAG, "getApplicationInfo " + packageName 3369 + ": " + p); 3370 if (p != null) { 3371 PackageSetting ps = mSettings.mPackages.get(packageName); 3372 if (ps == null) return null; 3373 // Note: isEnabledLP() does not apply here - always return info 3374 return PackageParser.generateApplicationInfo( 3375 p, flags, ps.readUserState(userId), userId); 3376 } 3377 if ("android".equals(packageName)||"system".equals(packageName)) { 3378 return mAndroidApplication; 3379 } 3380 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3381 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3382 } 3383 } 3384 return null; 3385 } 3386 3387 @Override 3388 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3389 final IPackageDataObserver observer) { 3390 mContext.enforceCallingOrSelfPermission( 3391 android.Manifest.permission.CLEAR_APP_CACHE, null); 3392 // Queue up an async operation since clearing cache may take a little while. 3393 mHandler.post(new Runnable() { 3394 public void run() { 3395 mHandler.removeCallbacks(this); 3396 boolean success = true; 3397 synchronized (mInstallLock) { 3398 try { 3399 mInstaller.freeCache(volumeUuid, freeStorageSize); 3400 } catch (InstallerException e) { 3401 Slog.w(TAG, "Couldn't clear application caches: " + e); 3402 success = false; 3403 } 3404 } 3405 if (observer != null) { 3406 try { 3407 observer.onRemoveCompleted(null, success); 3408 } catch (RemoteException e) { 3409 Slog.w(TAG, "RemoveException when invoking call back"); 3410 } 3411 } 3412 } 3413 }); 3414 } 3415 3416 @Override 3417 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3418 final IntentSender pi) { 3419 mContext.enforceCallingOrSelfPermission( 3420 android.Manifest.permission.CLEAR_APP_CACHE, null); 3421 // Queue up an async operation since clearing cache may take a little while. 3422 mHandler.post(new Runnable() { 3423 public void run() { 3424 mHandler.removeCallbacks(this); 3425 boolean success = true; 3426 synchronized (mInstallLock) { 3427 try { 3428 mInstaller.freeCache(volumeUuid, freeStorageSize); 3429 } catch (InstallerException e) { 3430 Slog.w(TAG, "Couldn't clear application caches: " + e); 3431 success = false; 3432 } 3433 } 3434 if(pi != null) { 3435 try { 3436 // Callback via pending intent 3437 int code = success ? 1 : 0; 3438 pi.sendIntent(null, code, null, 3439 null, null); 3440 } catch (SendIntentException e1) { 3441 Slog.i(TAG, "Failed to send pending intent"); 3442 } 3443 } 3444 } 3445 }); 3446 } 3447 3448 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3449 synchronized (mInstallLock) { 3450 try { 3451 mInstaller.freeCache(volumeUuid, freeStorageSize); 3452 } catch (InstallerException e) { 3453 throw new IOException("Failed to free enough space", e); 3454 } 3455 } 3456 } 3457 3458 /** 3459 * Return if the user key is currently unlocked. 3460 */ 3461 private boolean isUserKeyUnlocked(int userId) { 3462 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3463 final IMountService mount = IMountService.Stub 3464 .asInterface(ServiceManager.getService("mount")); 3465 if (mount == null) { 3466 Slog.w(TAG, "Early during boot, assuming locked"); 3467 return false; 3468 } 3469 final long token = Binder.clearCallingIdentity(); 3470 try { 3471 return mount.isUserKeyUnlocked(userId); 3472 } catch (RemoteException e) { 3473 throw e.rethrowAsRuntimeException(); 3474 } finally { 3475 Binder.restoreCallingIdentity(token); 3476 } 3477 } else { 3478 return true; 3479 } 3480 } 3481 3482 /** 3483 * Update given flags based on encryption status of current user. 3484 */ 3485 private int updateFlags(int flags, int userId) { 3486 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3487 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3488 // Caller expressed an explicit opinion about what encryption 3489 // aware/unaware components they want to see, so fall through and 3490 // give them what they want 3491 } else { 3492 // Caller expressed no opinion, so match based on user state 3493 if (isUserKeyUnlocked(userId)) { 3494 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3495 } else { 3496 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3497 } 3498 } 3499 return flags; 3500 } 3501 3502 /** 3503 * Update given flags when being used to request {@link PackageInfo}. 3504 */ 3505 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3506 boolean triaged = true; 3507 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3508 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3509 // Caller is asking for component details, so they'd better be 3510 // asking for specific encryption matching behavior, or be triaged 3511 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3512 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3513 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3514 triaged = false; 3515 } 3516 } 3517 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3518 | PackageManager.MATCH_SYSTEM_ONLY 3519 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3520 triaged = false; 3521 } 3522 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3523 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3524 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3525 } 3526 return updateFlags(flags, userId); 3527 } 3528 3529 /** 3530 * Update given flags when being used to request {@link ApplicationInfo}. 3531 */ 3532 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3533 return updateFlagsForPackage(flags, userId, cookie); 3534 } 3535 3536 /** 3537 * Update given flags when being used to request {@link ComponentInfo}. 3538 */ 3539 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3540 if (cookie instanceof Intent) { 3541 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3542 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3543 } 3544 } 3545 3546 boolean triaged = true; 3547 // Caller is asking for component details, so they'd better be 3548 // asking for specific encryption matching behavior, or be triaged 3549 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3550 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3551 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3552 triaged = false; 3553 } 3554 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3555 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3556 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3557 } 3558 3559 return updateFlags(flags, userId); 3560 } 3561 3562 /** 3563 * Update given flags when being used to request {@link ResolveInfo}. 3564 */ 3565 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3566 // Safe mode means we shouldn't match any third-party components 3567 if (mSafeMode) { 3568 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3569 } 3570 3571 return updateFlagsForComponent(flags, userId, cookie); 3572 } 3573 3574 @Override 3575 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3576 if (!sUserManager.exists(userId)) return null; 3577 flags = updateFlagsForComponent(flags, userId, component); 3578 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3579 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3580 synchronized (mPackages) { 3581 PackageParser.Activity a = mActivities.mActivities.get(component); 3582 3583 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3584 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3585 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3586 if (ps == null) return null; 3587 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3588 userId); 3589 } 3590 if (mResolveComponentName.equals(component)) { 3591 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3592 new PackageUserState(), userId); 3593 } 3594 } 3595 return null; 3596 } 3597 3598 @Override 3599 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3600 String resolvedType) { 3601 synchronized (mPackages) { 3602 if (component.equals(mResolveComponentName)) { 3603 // The resolver supports EVERYTHING! 3604 return true; 3605 } 3606 PackageParser.Activity a = mActivities.mActivities.get(component); 3607 if (a == null) { 3608 return false; 3609 } 3610 for (int i=0; i<a.intents.size(); i++) { 3611 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3612 intent.getData(), intent.getCategories(), TAG) >= 0) { 3613 return true; 3614 } 3615 } 3616 return false; 3617 } 3618 } 3619 3620 @Override 3621 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3622 if (!sUserManager.exists(userId)) return null; 3623 flags = updateFlagsForComponent(flags, userId, component); 3624 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3625 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3626 synchronized (mPackages) { 3627 PackageParser.Activity a = mReceivers.mActivities.get(component); 3628 if (DEBUG_PACKAGE_INFO) Log.v( 3629 TAG, "getReceiverInfo " + component + ": " + a); 3630 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3631 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3632 if (ps == null) return null; 3633 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3634 userId); 3635 } 3636 } 3637 return null; 3638 } 3639 3640 @Override 3641 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3642 if (!sUserManager.exists(userId)) return null; 3643 flags = updateFlagsForComponent(flags, userId, component); 3644 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3645 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3646 synchronized (mPackages) { 3647 PackageParser.Service s = mServices.mServices.get(component); 3648 if (DEBUG_PACKAGE_INFO) Log.v( 3649 TAG, "getServiceInfo " + component + ": " + s); 3650 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3651 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3652 if (ps == null) return null; 3653 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3654 userId); 3655 } 3656 } 3657 return null; 3658 } 3659 3660 @Override 3661 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3662 if (!sUserManager.exists(userId)) return null; 3663 flags = updateFlagsForComponent(flags, userId, component); 3664 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3665 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3666 synchronized (mPackages) { 3667 PackageParser.Provider p = mProviders.mProviders.get(component); 3668 if (DEBUG_PACKAGE_INFO) Log.v( 3669 TAG, "getProviderInfo " + component + ": " + p); 3670 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3671 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3672 if (ps == null) return null; 3673 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3674 userId); 3675 } 3676 } 3677 return null; 3678 } 3679 3680 @Override 3681 public String[] getSystemSharedLibraryNames() { 3682 Set<String> libSet; 3683 synchronized (mPackages) { 3684 libSet = mSharedLibraries.keySet(); 3685 int size = libSet.size(); 3686 if (size > 0) { 3687 String[] libs = new String[size]; 3688 libSet.toArray(libs); 3689 return libs; 3690 } 3691 } 3692 return null; 3693 } 3694 3695 @Override 3696 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3697 synchronized (mPackages) { 3698 return mServicesSystemSharedLibraryPackageName; 3699 } 3700 } 3701 3702 @Override 3703 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3704 synchronized (mPackages) { 3705 return mSharedSystemSharedLibraryPackageName; 3706 } 3707 } 3708 3709 @Override 3710 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3711 synchronized (mPackages) { 3712 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3713 3714 final FeatureInfo fi = new FeatureInfo(); 3715 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3716 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3717 res.add(fi); 3718 3719 return new ParceledListSlice<>(res); 3720 } 3721 } 3722 3723 @Override 3724 public boolean hasSystemFeature(String name, int version) { 3725 synchronized (mPackages) { 3726 final FeatureInfo feat = mAvailableFeatures.get(name); 3727 if (feat == null) { 3728 return false; 3729 } else { 3730 return feat.version >= version; 3731 } 3732 } 3733 } 3734 3735 @Override 3736 public int checkPermission(String permName, String pkgName, int userId) { 3737 if (!sUserManager.exists(userId)) { 3738 return PackageManager.PERMISSION_DENIED; 3739 } 3740 3741 synchronized (mPackages) { 3742 final PackageParser.Package p = mPackages.get(pkgName); 3743 if (p != null && p.mExtras != null) { 3744 final PackageSetting ps = (PackageSetting) p.mExtras; 3745 final PermissionsState permissionsState = ps.getPermissionsState(); 3746 if (permissionsState.hasPermission(permName, userId)) { 3747 return PackageManager.PERMISSION_GRANTED; 3748 } 3749 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3750 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3751 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3752 return PackageManager.PERMISSION_GRANTED; 3753 } 3754 } 3755 } 3756 3757 return PackageManager.PERMISSION_DENIED; 3758 } 3759 3760 @Override 3761 public int checkUidPermission(String permName, int uid) { 3762 final int userId = UserHandle.getUserId(uid); 3763 3764 if (!sUserManager.exists(userId)) { 3765 return PackageManager.PERMISSION_DENIED; 3766 } 3767 3768 synchronized (mPackages) { 3769 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3770 if (obj != null) { 3771 final SettingBase ps = (SettingBase) obj; 3772 final PermissionsState permissionsState = ps.getPermissionsState(); 3773 if (permissionsState.hasPermission(permName, userId)) { 3774 return PackageManager.PERMISSION_GRANTED; 3775 } 3776 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3777 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3778 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3779 return PackageManager.PERMISSION_GRANTED; 3780 } 3781 } else { 3782 ArraySet<String> perms = mSystemPermissions.get(uid); 3783 if (perms != null) { 3784 if (perms.contains(permName)) { 3785 return PackageManager.PERMISSION_GRANTED; 3786 } 3787 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3788 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3789 return PackageManager.PERMISSION_GRANTED; 3790 } 3791 } 3792 } 3793 } 3794 3795 return PackageManager.PERMISSION_DENIED; 3796 } 3797 3798 @Override 3799 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3800 if (UserHandle.getCallingUserId() != userId) { 3801 mContext.enforceCallingPermission( 3802 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3803 "isPermissionRevokedByPolicy for user " + userId); 3804 } 3805 3806 if (checkPermission(permission, packageName, userId) 3807 == PackageManager.PERMISSION_GRANTED) { 3808 return false; 3809 } 3810 3811 final long identity = Binder.clearCallingIdentity(); 3812 try { 3813 final int flags = getPermissionFlags(permission, packageName, userId); 3814 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3815 } finally { 3816 Binder.restoreCallingIdentity(identity); 3817 } 3818 } 3819 3820 @Override 3821 public String getPermissionControllerPackageName() { 3822 synchronized (mPackages) { 3823 return mRequiredInstallerPackage; 3824 } 3825 } 3826 3827 /** 3828 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3829 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3830 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3831 * @param message the message to log on security exception 3832 */ 3833 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3834 boolean checkShell, String message) { 3835 if (userId < 0) { 3836 throw new IllegalArgumentException("Invalid userId " + userId); 3837 } 3838 if (checkShell) { 3839 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3840 } 3841 if (userId == UserHandle.getUserId(callingUid)) return; 3842 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3843 if (requireFullPermission) { 3844 mContext.enforceCallingOrSelfPermission( 3845 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3846 } else { 3847 try { 3848 mContext.enforceCallingOrSelfPermission( 3849 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3850 } catch (SecurityException se) { 3851 mContext.enforceCallingOrSelfPermission( 3852 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3853 } 3854 } 3855 } 3856 } 3857 3858 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3859 if (callingUid == Process.SHELL_UID) { 3860 if (userHandle >= 0 3861 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3862 throw new SecurityException("Shell does not have permission to access user " 3863 + userHandle); 3864 } else if (userHandle < 0) { 3865 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3866 + Debug.getCallers(3)); 3867 } 3868 } 3869 } 3870 3871 private BasePermission findPermissionTreeLP(String permName) { 3872 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3873 if (permName.startsWith(bp.name) && 3874 permName.length() > bp.name.length() && 3875 permName.charAt(bp.name.length()) == '.') { 3876 return bp; 3877 } 3878 } 3879 return null; 3880 } 3881 3882 private BasePermission checkPermissionTreeLP(String permName) { 3883 if (permName != null) { 3884 BasePermission bp = findPermissionTreeLP(permName); 3885 if (bp != null) { 3886 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3887 return bp; 3888 } 3889 throw new SecurityException("Calling uid " 3890 + Binder.getCallingUid() 3891 + " is not allowed to add to permission tree " 3892 + bp.name + " owned by uid " + bp.uid); 3893 } 3894 } 3895 throw new SecurityException("No permission tree found for " + permName); 3896 } 3897 3898 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3899 if (s1 == null) { 3900 return s2 == null; 3901 } 3902 if (s2 == null) { 3903 return false; 3904 } 3905 if (s1.getClass() != s2.getClass()) { 3906 return false; 3907 } 3908 return s1.equals(s2); 3909 } 3910 3911 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3912 if (pi1.icon != pi2.icon) return false; 3913 if (pi1.logo != pi2.logo) return false; 3914 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3915 if (!compareStrings(pi1.name, pi2.name)) return false; 3916 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3917 // We'll take care of setting this one. 3918 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3919 // These are not currently stored in settings. 3920 //if (!compareStrings(pi1.group, pi2.group)) return false; 3921 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3922 //if (pi1.labelRes != pi2.labelRes) return false; 3923 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3924 return true; 3925 } 3926 3927 int permissionInfoFootprint(PermissionInfo info) { 3928 int size = info.name.length(); 3929 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3930 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3931 return size; 3932 } 3933 3934 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3935 int size = 0; 3936 for (BasePermission perm : mSettings.mPermissions.values()) { 3937 if (perm.uid == tree.uid) { 3938 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3939 } 3940 } 3941 return size; 3942 } 3943 3944 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3945 // We calculate the max size of permissions defined by this uid and throw 3946 // if that plus the size of 'info' would exceed our stated maximum. 3947 if (tree.uid != Process.SYSTEM_UID) { 3948 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3949 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3950 throw new SecurityException("Permission tree size cap exceeded"); 3951 } 3952 } 3953 } 3954 3955 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3956 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3957 throw new SecurityException("Label must be specified in permission"); 3958 } 3959 BasePermission tree = checkPermissionTreeLP(info.name); 3960 BasePermission bp = mSettings.mPermissions.get(info.name); 3961 boolean added = bp == null; 3962 boolean changed = true; 3963 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3964 if (added) { 3965 enforcePermissionCapLocked(info, tree); 3966 bp = new BasePermission(info.name, tree.sourcePackage, 3967 BasePermission.TYPE_DYNAMIC); 3968 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3969 throw new SecurityException( 3970 "Not allowed to modify non-dynamic permission " 3971 + info.name); 3972 } else { 3973 if (bp.protectionLevel == fixedLevel 3974 && bp.perm.owner.equals(tree.perm.owner) 3975 && bp.uid == tree.uid 3976 && comparePermissionInfos(bp.perm.info, info)) { 3977 changed = false; 3978 } 3979 } 3980 bp.protectionLevel = fixedLevel; 3981 info = new PermissionInfo(info); 3982 info.protectionLevel = fixedLevel; 3983 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3984 bp.perm.info.packageName = tree.perm.info.packageName; 3985 bp.uid = tree.uid; 3986 if (added) { 3987 mSettings.mPermissions.put(info.name, bp); 3988 } 3989 if (changed) { 3990 if (!async) { 3991 mSettings.writeLPr(); 3992 } else { 3993 scheduleWriteSettingsLocked(); 3994 } 3995 } 3996 return added; 3997 } 3998 3999 @Override 4000 public boolean addPermission(PermissionInfo info) { 4001 synchronized (mPackages) { 4002 return addPermissionLocked(info, false); 4003 } 4004 } 4005 4006 @Override 4007 public boolean addPermissionAsync(PermissionInfo info) { 4008 synchronized (mPackages) { 4009 return addPermissionLocked(info, true); 4010 } 4011 } 4012 4013 @Override 4014 public void removePermission(String name) { 4015 synchronized (mPackages) { 4016 checkPermissionTreeLP(name); 4017 BasePermission bp = mSettings.mPermissions.get(name); 4018 if (bp != null) { 4019 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4020 throw new SecurityException( 4021 "Not allowed to modify non-dynamic permission " 4022 + name); 4023 } 4024 mSettings.mPermissions.remove(name); 4025 mSettings.writeLPr(); 4026 } 4027 } 4028 } 4029 4030 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4031 BasePermission bp) { 4032 int index = pkg.requestedPermissions.indexOf(bp.name); 4033 if (index == -1) { 4034 throw new SecurityException("Package " + pkg.packageName 4035 + " has not requested permission " + bp.name); 4036 } 4037 if (!bp.isRuntime() && !bp.isDevelopment()) { 4038 throw new SecurityException("Permission " + bp.name 4039 + " is not a changeable permission type"); 4040 } 4041 } 4042 4043 @Override 4044 public void grantRuntimePermission(String packageName, String name, final int userId) { 4045 if (!sUserManager.exists(userId)) { 4046 Log.e(TAG, "No such user:" + userId); 4047 return; 4048 } 4049 4050 mContext.enforceCallingOrSelfPermission( 4051 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4052 "grantRuntimePermission"); 4053 4054 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4055 true /* requireFullPermission */, true /* checkShell */, 4056 "grantRuntimePermission"); 4057 4058 final int uid; 4059 final SettingBase sb; 4060 4061 synchronized (mPackages) { 4062 final PackageParser.Package pkg = mPackages.get(packageName); 4063 if (pkg == null) { 4064 throw new IllegalArgumentException("Unknown package: " + packageName); 4065 } 4066 4067 final BasePermission bp = mSettings.mPermissions.get(name); 4068 if (bp == null) { 4069 throw new IllegalArgumentException("Unknown permission: " + name); 4070 } 4071 4072 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4073 4074 // If a permission review is required for legacy apps we represent 4075 // their permissions as always granted runtime ones since we need 4076 // to keep the review required permission flag per user while an 4077 // install permission's state is shared across all users. 4078 if (Build.PERMISSIONS_REVIEW_REQUIRED 4079 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4080 && bp.isRuntime()) { 4081 return; 4082 } 4083 4084 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4085 sb = (SettingBase) pkg.mExtras; 4086 if (sb == null) { 4087 throw new IllegalArgumentException("Unknown package: " + packageName); 4088 } 4089 4090 final PermissionsState permissionsState = sb.getPermissionsState(); 4091 4092 final int flags = permissionsState.getPermissionFlags(name, userId); 4093 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4094 throw new SecurityException("Cannot grant system fixed permission " 4095 + name + " for package " + packageName); 4096 } 4097 4098 if (bp.isDevelopment()) { 4099 // Development permissions must be handled specially, since they are not 4100 // normal runtime permissions. For now they apply to all users. 4101 if (permissionsState.grantInstallPermission(bp) != 4102 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4103 scheduleWriteSettingsLocked(); 4104 } 4105 return; 4106 } 4107 4108 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4109 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4110 return; 4111 } 4112 4113 final int result = permissionsState.grantRuntimePermission(bp, userId); 4114 switch (result) { 4115 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4116 return; 4117 } 4118 4119 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4120 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4121 mHandler.post(new Runnable() { 4122 @Override 4123 public void run() { 4124 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4125 } 4126 }); 4127 } 4128 break; 4129 } 4130 4131 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4132 4133 // Not critical if that is lost - app has to request again. 4134 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4135 } 4136 4137 // Only need to do this if user is initialized. Otherwise it's a new user 4138 // and there are no processes running as the user yet and there's no need 4139 // to make an expensive call to remount processes for the changed permissions. 4140 if (READ_EXTERNAL_STORAGE.equals(name) 4141 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4142 final long token = Binder.clearCallingIdentity(); 4143 try { 4144 if (sUserManager.isInitialized(userId)) { 4145 MountServiceInternal mountServiceInternal = LocalServices.getService( 4146 MountServiceInternal.class); 4147 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4148 } 4149 } finally { 4150 Binder.restoreCallingIdentity(token); 4151 } 4152 } 4153 } 4154 4155 @Override 4156 public void revokeRuntimePermission(String packageName, String name, int userId) { 4157 if (!sUserManager.exists(userId)) { 4158 Log.e(TAG, "No such user:" + userId); 4159 return; 4160 } 4161 4162 mContext.enforceCallingOrSelfPermission( 4163 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4164 "revokeRuntimePermission"); 4165 4166 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4167 true /* requireFullPermission */, true /* checkShell */, 4168 "revokeRuntimePermission"); 4169 4170 final int appId; 4171 4172 synchronized (mPackages) { 4173 final PackageParser.Package pkg = mPackages.get(packageName); 4174 if (pkg == null) { 4175 throw new IllegalArgumentException("Unknown package: " + packageName); 4176 } 4177 4178 final BasePermission bp = mSettings.mPermissions.get(name); 4179 if (bp == null) { 4180 throw new IllegalArgumentException("Unknown permission: " + name); 4181 } 4182 4183 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4184 4185 // If a permission review is required for legacy apps we represent 4186 // their permissions as always granted runtime ones since we need 4187 // to keep the review required permission flag per user while an 4188 // install permission's state is shared across all users. 4189 if (Build.PERMISSIONS_REVIEW_REQUIRED 4190 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4191 && bp.isRuntime()) { 4192 return; 4193 } 4194 4195 SettingBase sb = (SettingBase) pkg.mExtras; 4196 if (sb == null) { 4197 throw new IllegalArgumentException("Unknown package: " + packageName); 4198 } 4199 4200 final PermissionsState permissionsState = sb.getPermissionsState(); 4201 4202 final int flags = permissionsState.getPermissionFlags(name, userId); 4203 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4204 throw new SecurityException("Cannot revoke system fixed permission " 4205 + name + " for package " + packageName); 4206 } 4207 4208 if (bp.isDevelopment()) { 4209 // Development permissions must be handled specially, since they are not 4210 // normal runtime permissions. For now they apply to all users. 4211 if (permissionsState.revokeInstallPermission(bp) != 4212 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4213 scheduleWriteSettingsLocked(); 4214 } 4215 return; 4216 } 4217 4218 if (permissionsState.revokeRuntimePermission(bp, userId) == 4219 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4220 return; 4221 } 4222 4223 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4224 4225 // Critical, after this call app should never have the permission. 4226 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4227 4228 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4229 } 4230 4231 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4232 } 4233 4234 @Override 4235 public void resetRuntimePermissions() { 4236 mContext.enforceCallingOrSelfPermission( 4237 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4238 "revokeRuntimePermission"); 4239 4240 int callingUid = Binder.getCallingUid(); 4241 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4242 mContext.enforceCallingOrSelfPermission( 4243 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4244 "resetRuntimePermissions"); 4245 } 4246 4247 synchronized (mPackages) { 4248 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4249 for (int userId : UserManagerService.getInstance().getUserIds()) { 4250 final int packageCount = mPackages.size(); 4251 for (int i = 0; i < packageCount; i++) { 4252 PackageParser.Package pkg = mPackages.valueAt(i); 4253 if (!(pkg.mExtras instanceof PackageSetting)) { 4254 continue; 4255 } 4256 PackageSetting ps = (PackageSetting) pkg.mExtras; 4257 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4258 } 4259 } 4260 } 4261 } 4262 4263 @Override 4264 public int getPermissionFlags(String name, String packageName, int userId) { 4265 if (!sUserManager.exists(userId)) { 4266 return 0; 4267 } 4268 4269 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4270 4271 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4272 true /* requireFullPermission */, false /* checkShell */, 4273 "getPermissionFlags"); 4274 4275 synchronized (mPackages) { 4276 final PackageParser.Package pkg = mPackages.get(packageName); 4277 if (pkg == null) { 4278 throw new IllegalArgumentException("Unknown package: " + packageName); 4279 } 4280 4281 final BasePermission bp = mSettings.mPermissions.get(name); 4282 if (bp == null) { 4283 throw new IllegalArgumentException("Unknown permission: " + name); 4284 } 4285 4286 SettingBase sb = (SettingBase) pkg.mExtras; 4287 if (sb == null) { 4288 throw new IllegalArgumentException("Unknown package: " + packageName); 4289 } 4290 4291 PermissionsState permissionsState = sb.getPermissionsState(); 4292 return permissionsState.getPermissionFlags(name, userId); 4293 } 4294 } 4295 4296 @Override 4297 public void updatePermissionFlags(String name, String packageName, int flagMask, 4298 int flagValues, int userId) { 4299 if (!sUserManager.exists(userId)) { 4300 return; 4301 } 4302 4303 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4304 4305 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4306 true /* requireFullPermission */, true /* checkShell */, 4307 "updatePermissionFlags"); 4308 4309 // Only the system can change these flags and nothing else. 4310 if (getCallingUid() != Process.SYSTEM_UID) { 4311 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4312 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4313 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4314 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4315 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4316 } 4317 4318 synchronized (mPackages) { 4319 final PackageParser.Package pkg = mPackages.get(packageName); 4320 if (pkg == null) { 4321 throw new IllegalArgumentException("Unknown package: " + packageName); 4322 } 4323 4324 final BasePermission bp = mSettings.mPermissions.get(name); 4325 if (bp == null) { 4326 throw new IllegalArgumentException("Unknown permission: " + name); 4327 } 4328 4329 SettingBase sb = (SettingBase) pkg.mExtras; 4330 if (sb == null) { 4331 throw new IllegalArgumentException("Unknown package: " + packageName); 4332 } 4333 4334 PermissionsState permissionsState = sb.getPermissionsState(); 4335 4336 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4337 4338 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4339 // Install and runtime permissions are stored in different places, 4340 // so figure out what permission changed and persist the change. 4341 if (permissionsState.getInstallPermissionState(name) != null) { 4342 scheduleWriteSettingsLocked(); 4343 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4344 || hadState) { 4345 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4346 } 4347 } 4348 } 4349 } 4350 4351 /** 4352 * Update the permission flags for all packages and runtime permissions of a user in order 4353 * to allow device or profile owner to remove POLICY_FIXED. 4354 */ 4355 @Override 4356 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4357 if (!sUserManager.exists(userId)) { 4358 return; 4359 } 4360 4361 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4362 4363 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4364 true /* requireFullPermission */, true /* checkShell */, 4365 "updatePermissionFlagsForAllApps"); 4366 4367 // Only the system can change system fixed flags. 4368 if (getCallingUid() != Process.SYSTEM_UID) { 4369 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4370 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4371 } 4372 4373 synchronized (mPackages) { 4374 boolean changed = false; 4375 final int packageCount = mPackages.size(); 4376 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4377 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4378 SettingBase sb = (SettingBase) pkg.mExtras; 4379 if (sb == null) { 4380 continue; 4381 } 4382 PermissionsState permissionsState = sb.getPermissionsState(); 4383 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4384 userId, flagMask, flagValues); 4385 } 4386 if (changed) { 4387 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4388 } 4389 } 4390 } 4391 4392 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4393 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4394 != PackageManager.PERMISSION_GRANTED 4395 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4396 != PackageManager.PERMISSION_GRANTED) { 4397 throw new SecurityException(message + " requires " 4398 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4399 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4400 } 4401 } 4402 4403 @Override 4404 public boolean shouldShowRequestPermissionRationale(String permissionName, 4405 String packageName, int userId) { 4406 if (UserHandle.getCallingUserId() != userId) { 4407 mContext.enforceCallingPermission( 4408 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4409 "canShowRequestPermissionRationale for user " + userId); 4410 } 4411 4412 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4413 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4414 return false; 4415 } 4416 4417 if (checkPermission(permissionName, packageName, userId) 4418 == PackageManager.PERMISSION_GRANTED) { 4419 return false; 4420 } 4421 4422 final int flags; 4423 4424 final long identity = Binder.clearCallingIdentity(); 4425 try { 4426 flags = getPermissionFlags(permissionName, 4427 packageName, userId); 4428 } finally { 4429 Binder.restoreCallingIdentity(identity); 4430 } 4431 4432 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4433 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4434 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4435 4436 if ((flags & fixedFlags) != 0) { 4437 return false; 4438 } 4439 4440 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4441 } 4442 4443 @Override 4444 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4445 mContext.enforceCallingOrSelfPermission( 4446 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4447 "addOnPermissionsChangeListener"); 4448 4449 synchronized (mPackages) { 4450 mOnPermissionChangeListeners.addListenerLocked(listener); 4451 } 4452 } 4453 4454 @Override 4455 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4456 synchronized (mPackages) { 4457 mOnPermissionChangeListeners.removeListenerLocked(listener); 4458 } 4459 } 4460 4461 @Override 4462 public boolean isProtectedBroadcast(String actionName) { 4463 synchronized (mPackages) { 4464 if (mProtectedBroadcasts.contains(actionName)) { 4465 return true; 4466 } else if (actionName != null) { 4467 // TODO: remove these terrible hacks 4468 if (actionName.startsWith("android.net.netmon.lingerExpired") 4469 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4470 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4471 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4472 return true; 4473 } 4474 } 4475 } 4476 return false; 4477 } 4478 4479 @Override 4480 public int checkSignatures(String pkg1, String pkg2) { 4481 synchronized (mPackages) { 4482 final PackageParser.Package p1 = mPackages.get(pkg1); 4483 final PackageParser.Package p2 = mPackages.get(pkg2); 4484 if (p1 == null || p1.mExtras == null 4485 || p2 == null || p2.mExtras == null) { 4486 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4487 } 4488 return compareSignatures(p1.mSignatures, p2.mSignatures); 4489 } 4490 } 4491 4492 @Override 4493 public int checkUidSignatures(int uid1, int uid2) { 4494 // Map to base uids. 4495 uid1 = UserHandle.getAppId(uid1); 4496 uid2 = UserHandle.getAppId(uid2); 4497 // reader 4498 synchronized (mPackages) { 4499 Signature[] s1; 4500 Signature[] s2; 4501 Object obj = mSettings.getUserIdLPr(uid1); 4502 if (obj != null) { 4503 if (obj instanceof SharedUserSetting) { 4504 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4505 } else if (obj instanceof PackageSetting) { 4506 s1 = ((PackageSetting)obj).signatures.mSignatures; 4507 } else { 4508 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4509 } 4510 } else { 4511 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4512 } 4513 obj = mSettings.getUserIdLPr(uid2); 4514 if (obj != null) { 4515 if (obj instanceof SharedUserSetting) { 4516 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4517 } else if (obj instanceof PackageSetting) { 4518 s2 = ((PackageSetting)obj).signatures.mSignatures; 4519 } else { 4520 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4521 } 4522 } else { 4523 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4524 } 4525 return compareSignatures(s1, s2); 4526 } 4527 } 4528 4529 /** 4530 * This method should typically only be used when granting or revoking 4531 * permissions, since the app may immediately restart after this call. 4532 * <p> 4533 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4534 * guard your work against the app being relaunched. 4535 */ 4536 private void killUid(int appId, int userId, String reason) { 4537 final long identity = Binder.clearCallingIdentity(); 4538 try { 4539 IActivityManager am = ActivityManagerNative.getDefault(); 4540 if (am != null) { 4541 try { 4542 am.killUid(appId, userId, reason); 4543 } catch (RemoteException e) { 4544 /* ignore - same process */ 4545 } 4546 } 4547 } finally { 4548 Binder.restoreCallingIdentity(identity); 4549 } 4550 } 4551 4552 /** 4553 * Compares two sets of signatures. Returns: 4554 * <br /> 4555 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4556 * <br /> 4557 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4558 * <br /> 4559 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4560 * <br /> 4561 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4562 * <br /> 4563 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4564 */ 4565 static int compareSignatures(Signature[] s1, Signature[] s2) { 4566 if (s1 == null) { 4567 return s2 == null 4568 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4569 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4570 } 4571 4572 if (s2 == null) { 4573 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4574 } 4575 4576 if (s1.length != s2.length) { 4577 return PackageManager.SIGNATURE_NO_MATCH; 4578 } 4579 4580 // Since both signature sets are of size 1, we can compare without HashSets. 4581 if (s1.length == 1) { 4582 return s1[0].equals(s2[0]) ? 4583 PackageManager.SIGNATURE_MATCH : 4584 PackageManager.SIGNATURE_NO_MATCH; 4585 } 4586 4587 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4588 for (Signature sig : s1) { 4589 set1.add(sig); 4590 } 4591 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4592 for (Signature sig : s2) { 4593 set2.add(sig); 4594 } 4595 // Make sure s2 contains all signatures in s1. 4596 if (set1.equals(set2)) { 4597 return PackageManager.SIGNATURE_MATCH; 4598 } 4599 return PackageManager.SIGNATURE_NO_MATCH; 4600 } 4601 4602 /** 4603 * If the database version for this type of package (internal storage or 4604 * external storage) is less than the version where package signatures 4605 * were updated, return true. 4606 */ 4607 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4608 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4609 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4610 } 4611 4612 /** 4613 * Used for backward compatibility to make sure any packages with 4614 * certificate chains get upgraded to the new style. {@code existingSigs} 4615 * will be in the old format (since they were stored on disk from before the 4616 * system upgrade) and {@code scannedSigs} will be in the newer format. 4617 */ 4618 private int compareSignaturesCompat(PackageSignatures existingSigs, 4619 PackageParser.Package scannedPkg) { 4620 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4621 return PackageManager.SIGNATURE_NO_MATCH; 4622 } 4623 4624 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4625 for (Signature sig : existingSigs.mSignatures) { 4626 existingSet.add(sig); 4627 } 4628 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4629 for (Signature sig : scannedPkg.mSignatures) { 4630 try { 4631 Signature[] chainSignatures = sig.getChainSignatures(); 4632 for (Signature chainSig : chainSignatures) { 4633 scannedCompatSet.add(chainSig); 4634 } 4635 } catch (CertificateEncodingException e) { 4636 scannedCompatSet.add(sig); 4637 } 4638 } 4639 /* 4640 * Make sure the expanded scanned set contains all signatures in the 4641 * existing one. 4642 */ 4643 if (scannedCompatSet.equals(existingSet)) { 4644 // Migrate the old signatures to the new scheme. 4645 existingSigs.assignSignatures(scannedPkg.mSignatures); 4646 // The new KeySets will be re-added later in the scanning process. 4647 synchronized (mPackages) { 4648 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4649 } 4650 return PackageManager.SIGNATURE_MATCH; 4651 } 4652 return PackageManager.SIGNATURE_NO_MATCH; 4653 } 4654 4655 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4656 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4657 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4658 } 4659 4660 private int compareSignaturesRecover(PackageSignatures existingSigs, 4661 PackageParser.Package scannedPkg) { 4662 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4663 return PackageManager.SIGNATURE_NO_MATCH; 4664 } 4665 4666 String msg = null; 4667 try { 4668 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4669 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4670 + scannedPkg.packageName); 4671 return PackageManager.SIGNATURE_MATCH; 4672 } 4673 } catch (CertificateException e) { 4674 msg = e.getMessage(); 4675 } 4676 4677 logCriticalInfo(Log.INFO, 4678 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4679 return PackageManager.SIGNATURE_NO_MATCH; 4680 } 4681 4682 @Override 4683 public List<String> getAllPackages() { 4684 synchronized (mPackages) { 4685 return new ArrayList<String>(mPackages.keySet()); 4686 } 4687 } 4688 4689 @Override 4690 public String[] getPackagesForUid(int uid) { 4691 uid = UserHandle.getAppId(uid); 4692 // reader 4693 synchronized (mPackages) { 4694 Object obj = mSettings.getUserIdLPr(uid); 4695 if (obj instanceof SharedUserSetting) { 4696 final SharedUserSetting sus = (SharedUserSetting) obj; 4697 final int N = sus.packages.size(); 4698 final String[] res = new String[N]; 4699 final Iterator<PackageSetting> it = sus.packages.iterator(); 4700 int i = 0; 4701 while (it.hasNext()) { 4702 res[i++] = it.next().name; 4703 } 4704 return res; 4705 } else if (obj instanceof PackageSetting) { 4706 final PackageSetting ps = (PackageSetting) obj; 4707 return new String[] { ps.name }; 4708 } 4709 } 4710 return null; 4711 } 4712 4713 @Override 4714 public String getNameForUid(int uid) { 4715 // reader 4716 synchronized (mPackages) { 4717 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4718 if (obj instanceof SharedUserSetting) { 4719 final SharedUserSetting sus = (SharedUserSetting) obj; 4720 return sus.name + ":" + sus.userId; 4721 } else if (obj instanceof PackageSetting) { 4722 final PackageSetting ps = (PackageSetting) obj; 4723 return ps.name; 4724 } 4725 } 4726 return null; 4727 } 4728 4729 @Override 4730 public int getUidForSharedUser(String sharedUserName) { 4731 if(sharedUserName == null) { 4732 return -1; 4733 } 4734 // reader 4735 synchronized (mPackages) { 4736 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4737 if (suid == null) { 4738 return -1; 4739 } 4740 return suid.userId; 4741 } 4742 } 4743 4744 @Override 4745 public int getFlagsForUid(int uid) { 4746 synchronized (mPackages) { 4747 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4748 if (obj instanceof SharedUserSetting) { 4749 final SharedUserSetting sus = (SharedUserSetting) obj; 4750 return sus.pkgFlags; 4751 } else if (obj instanceof PackageSetting) { 4752 final PackageSetting ps = (PackageSetting) obj; 4753 return ps.pkgFlags; 4754 } 4755 } 4756 return 0; 4757 } 4758 4759 @Override 4760 public int getPrivateFlagsForUid(int uid) { 4761 synchronized (mPackages) { 4762 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4763 if (obj instanceof SharedUserSetting) { 4764 final SharedUserSetting sus = (SharedUserSetting) obj; 4765 return sus.pkgPrivateFlags; 4766 } else if (obj instanceof PackageSetting) { 4767 final PackageSetting ps = (PackageSetting) obj; 4768 return ps.pkgPrivateFlags; 4769 } 4770 } 4771 return 0; 4772 } 4773 4774 @Override 4775 public boolean isUidPrivileged(int uid) { 4776 uid = UserHandle.getAppId(uid); 4777 // reader 4778 synchronized (mPackages) { 4779 Object obj = mSettings.getUserIdLPr(uid); 4780 if (obj instanceof SharedUserSetting) { 4781 final SharedUserSetting sus = (SharedUserSetting) obj; 4782 final Iterator<PackageSetting> it = sus.packages.iterator(); 4783 while (it.hasNext()) { 4784 if (it.next().isPrivileged()) { 4785 return true; 4786 } 4787 } 4788 } else if (obj instanceof PackageSetting) { 4789 final PackageSetting ps = (PackageSetting) obj; 4790 return ps.isPrivileged(); 4791 } 4792 } 4793 return false; 4794 } 4795 4796 @Override 4797 public String[] getAppOpPermissionPackages(String permissionName) { 4798 synchronized (mPackages) { 4799 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4800 if (pkgs == null) { 4801 return null; 4802 } 4803 return pkgs.toArray(new String[pkgs.size()]); 4804 } 4805 } 4806 4807 @Override 4808 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4809 int flags, int userId) { 4810 try { 4811 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4812 4813 if (!sUserManager.exists(userId)) return null; 4814 flags = updateFlagsForResolve(flags, userId, intent); 4815 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4816 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4817 4818 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4819 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4820 flags, userId); 4821 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4822 4823 final ResolveInfo bestChoice = 4824 chooseBestActivity(intent, resolvedType, flags, query, userId); 4825 4826 if (isEphemeralAllowed(intent, query, userId)) { 4827 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4828 final EphemeralResolveInfo ai = 4829 getEphemeralResolveInfo(intent, resolvedType, userId); 4830 if (ai != null) { 4831 if (DEBUG_EPHEMERAL) { 4832 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4833 } 4834 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4835 bestChoice.ephemeralResolveInfo = ai; 4836 } 4837 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4838 } 4839 return bestChoice; 4840 } finally { 4841 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4842 } 4843 } 4844 4845 @Override 4846 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4847 IntentFilter filter, int match, ComponentName activity) { 4848 final int userId = UserHandle.getCallingUserId(); 4849 if (DEBUG_PREFERRED) { 4850 Log.v(TAG, "setLastChosenActivity intent=" + intent 4851 + " resolvedType=" + resolvedType 4852 + " flags=" + flags 4853 + " filter=" + filter 4854 + " match=" + match 4855 + " activity=" + activity); 4856 filter.dump(new PrintStreamPrinter(System.out), " "); 4857 } 4858 intent.setComponent(null); 4859 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4860 userId); 4861 // Find any earlier preferred or last chosen entries and nuke them 4862 findPreferredActivity(intent, resolvedType, 4863 flags, query, 0, false, true, false, userId); 4864 // Add the new activity as the last chosen for this filter 4865 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4866 "Setting last chosen"); 4867 } 4868 4869 @Override 4870 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4871 final int userId = UserHandle.getCallingUserId(); 4872 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4873 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4874 userId); 4875 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4876 false, false, false, userId); 4877 } 4878 4879 4880 private boolean isEphemeralAllowed( 4881 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4882 // Short circuit and return early if possible. 4883 if (DISABLE_EPHEMERAL_APPS) { 4884 return false; 4885 } 4886 final int callingUser = UserHandle.getCallingUserId(); 4887 if (callingUser != UserHandle.USER_SYSTEM) { 4888 return false; 4889 } 4890 if (mEphemeralResolverConnection == null) { 4891 return false; 4892 } 4893 if (intent.getComponent() != null) { 4894 return false; 4895 } 4896 if (intent.getPackage() != null) { 4897 return false; 4898 } 4899 final boolean isWebUri = hasWebURI(intent); 4900 if (!isWebUri) { 4901 return false; 4902 } 4903 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4904 synchronized (mPackages) { 4905 final int count = resolvedActivites.size(); 4906 for (int n = 0; n < count; n++) { 4907 ResolveInfo info = resolvedActivites.get(n); 4908 String packageName = info.activityInfo.packageName; 4909 PackageSetting ps = mSettings.mPackages.get(packageName); 4910 if (ps != null) { 4911 // Try to get the status from User settings first 4912 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4913 int status = (int) (packedStatus >> 32); 4914 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4915 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4916 if (DEBUG_EPHEMERAL) { 4917 Slog.v(TAG, "DENY ephemeral apps;" 4918 + " pkg: " + packageName + ", status: " + status); 4919 } 4920 return false; 4921 } 4922 } 4923 } 4924 } 4925 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4926 return true; 4927 } 4928 4929 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4930 int userId) { 4931 MessageDigest digest = null; 4932 try { 4933 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4934 } catch (NoSuchAlgorithmException e) { 4935 // If we can't create a digest, ignore ephemeral apps. 4936 return null; 4937 } 4938 4939 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4940 final byte[] digestBytes = digest.digest(hostBytes); 4941 int shaPrefix = 4942 digestBytes[0] << 24 4943 | digestBytes[1] << 16 4944 | digestBytes[2] << 8 4945 | digestBytes[3] << 0; 4946 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4947 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4948 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4949 // No hash prefix match; there are no ephemeral apps for this domain. 4950 return null; 4951 } 4952 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4953 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4954 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4955 continue; 4956 } 4957 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4958 // No filters; this should never happen. 4959 if (filters.isEmpty()) { 4960 continue; 4961 } 4962 // We have a domain match; resolve the filters to see if anything matches. 4963 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4964 for (int j = filters.size() - 1; j >= 0; --j) { 4965 final EphemeralResolveIntentInfo intentInfo = 4966 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4967 ephemeralResolver.addFilter(intentInfo); 4968 } 4969 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4970 intent, resolvedType, false /*defaultOnly*/, userId); 4971 if (!matchedResolveInfoList.isEmpty()) { 4972 return matchedResolveInfoList.get(0); 4973 } 4974 } 4975 // Hash or filter mis-match; no ephemeral apps for this domain. 4976 return null; 4977 } 4978 4979 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4980 int flags, List<ResolveInfo> query, int userId) { 4981 if (query != null) { 4982 final int N = query.size(); 4983 if (N == 1) { 4984 return query.get(0); 4985 } else if (N > 1) { 4986 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4987 // If there is more than one activity with the same priority, 4988 // then let the user decide between them. 4989 ResolveInfo r0 = query.get(0); 4990 ResolveInfo r1 = query.get(1); 4991 if (DEBUG_INTENT_MATCHING || debug) { 4992 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4993 + r1.activityInfo.name + "=" + r1.priority); 4994 } 4995 // If the first activity has a higher priority, or a different 4996 // default, then it is always desirable to pick it. 4997 if (r0.priority != r1.priority 4998 || r0.preferredOrder != r1.preferredOrder 4999 || r0.isDefault != r1.isDefault) { 5000 return query.get(0); 5001 } 5002 // If we have saved a preference for a preferred activity for 5003 // this Intent, use that. 5004 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5005 flags, query, r0.priority, true, false, debug, userId); 5006 if (ri != null) { 5007 return ri; 5008 } 5009 ri = new ResolveInfo(mResolveInfo); 5010 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5011 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5012 ri.activityInfo.applicationInfo = new ApplicationInfo( 5013 ri.activityInfo.applicationInfo); 5014 if (userId != 0) { 5015 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5016 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5017 } 5018 // Make sure that the resolver is displayable in car mode 5019 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5020 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5021 return ri; 5022 } 5023 } 5024 return null; 5025 } 5026 5027 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5028 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5029 final int N = query.size(); 5030 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5031 .get(userId); 5032 // Get the list of persistent preferred activities that handle the intent 5033 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5034 List<PersistentPreferredActivity> pprefs = ppir != null 5035 ? ppir.queryIntent(intent, resolvedType, 5036 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5037 : null; 5038 if (pprefs != null && pprefs.size() > 0) { 5039 final int M = pprefs.size(); 5040 for (int i=0; i<M; i++) { 5041 final PersistentPreferredActivity ppa = pprefs.get(i); 5042 if (DEBUG_PREFERRED || debug) { 5043 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5044 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5045 + "\n component=" + ppa.mComponent); 5046 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5047 } 5048 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5049 flags | MATCH_DISABLED_COMPONENTS, userId); 5050 if (DEBUG_PREFERRED || debug) { 5051 Slog.v(TAG, "Found persistent preferred activity:"); 5052 if (ai != null) { 5053 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5054 } else { 5055 Slog.v(TAG, " null"); 5056 } 5057 } 5058 if (ai == null) { 5059 // This previously registered persistent preferred activity 5060 // component is no longer known. Ignore it and do NOT remove it. 5061 continue; 5062 } 5063 for (int j=0; j<N; j++) { 5064 final ResolveInfo ri = query.get(j); 5065 if (!ri.activityInfo.applicationInfo.packageName 5066 .equals(ai.applicationInfo.packageName)) { 5067 continue; 5068 } 5069 if (!ri.activityInfo.name.equals(ai.name)) { 5070 continue; 5071 } 5072 // Found a persistent preference that can handle the intent. 5073 if (DEBUG_PREFERRED || debug) { 5074 Slog.v(TAG, "Returning persistent preferred activity: " + 5075 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5076 } 5077 return ri; 5078 } 5079 } 5080 } 5081 return null; 5082 } 5083 5084 // TODO: handle preferred activities missing while user has amnesia 5085 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5086 List<ResolveInfo> query, int priority, boolean always, 5087 boolean removeMatches, boolean debug, int userId) { 5088 if (!sUserManager.exists(userId)) return null; 5089 flags = updateFlagsForResolve(flags, userId, intent); 5090 // writer 5091 synchronized (mPackages) { 5092 if (intent.getSelector() != null) { 5093 intent = intent.getSelector(); 5094 } 5095 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5096 5097 // Try to find a matching persistent preferred activity. 5098 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5099 debug, userId); 5100 5101 // If a persistent preferred activity matched, use it. 5102 if (pri != null) { 5103 return pri; 5104 } 5105 5106 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5107 // Get the list of preferred activities that handle the intent 5108 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5109 List<PreferredActivity> prefs = pir != null 5110 ? pir.queryIntent(intent, resolvedType, 5111 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5112 : null; 5113 if (prefs != null && prefs.size() > 0) { 5114 boolean changed = false; 5115 try { 5116 // First figure out how good the original match set is. 5117 // We will only allow preferred activities that came 5118 // from the same match quality. 5119 int match = 0; 5120 5121 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5122 5123 final int N = query.size(); 5124 for (int j=0; j<N; j++) { 5125 final ResolveInfo ri = query.get(j); 5126 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5127 + ": 0x" + Integer.toHexString(match)); 5128 if (ri.match > match) { 5129 match = ri.match; 5130 } 5131 } 5132 5133 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5134 + Integer.toHexString(match)); 5135 5136 match &= IntentFilter.MATCH_CATEGORY_MASK; 5137 final int M = prefs.size(); 5138 for (int i=0; i<M; i++) { 5139 final PreferredActivity pa = prefs.get(i); 5140 if (DEBUG_PREFERRED || debug) { 5141 Slog.v(TAG, "Checking PreferredActivity ds=" 5142 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5143 + "\n component=" + pa.mPref.mComponent); 5144 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5145 } 5146 if (pa.mPref.mMatch != match) { 5147 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5148 + Integer.toHexString(pa.mPref.mMatch)); 5149 continue; 5150 } 5151 // If it's not an "always" type preferred activity and that's what we're 5152 // looking for, skip it. 5153 if (always && !pa.mPref.mAlways) { 5154 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5155 continue; 5156 } 5157 final ActivityInfo ai = getActivityInfo( 5158 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5159 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5160 userId); 5161 if (DEBUG_PREFERRED || debug) { 5162 Slog.v(TAG, "Found preferred activity:"); 5163 if (ai != null) { 5164 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5165 } else { 5166 Slog.v(TAG, " null"); 5167 } 5168 } 5169 if (ai == null) { 5170 // This previously registered preferred activity 5171 // component is no longer known. Most likely an update 5172 // to the app was installed and in the new version this 5173 // component no longer exists. Clean it up by removing 5174 // it from the preferred activities list, and skip it. 5175 Slog.w(TAG, "Removing dangling preferred activity: " 5176 + pa.mPref.mComponent); 5177 pir.removeFilter(pa); 5178 changed = true; 5179 continue; 5180 } 5181 for (int j=0; j<N; j++) { 5182 final ResolveInfo ri = query.get(j); 5183 if (!ri.activityInfo.applicationInfo.packageName 5184 .equals(ai.applicationInfo.packageName)) { 5185 continue; 5186 } 5187 if (!ri.activityInfo.name.equals(ai.name)) { 5188 continue; 5189 } 5190 5191 if (removeMatches) { 5192 pir.removeFilter(pa); 5193 changed = true; 5194 if (DEBUG_PREFERRED) { 5195 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5196 } 5197 break; 5198 } 5199 5200 // Okay we found a previously set preferred or last chosen app. 5201 // If the result set is different from when this 5202 // was created, we need to clear it and re-ask the 5203 // user their preference, if we're looking for an "always" type entry. 5204 if (always && !pa.mPref.sameSet(query)) { 5205 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5206 + intent + " type " + resolvedType); 5207 if (DEBUG_PREFERRED) { 5208 Slog.v(TAG, "Removing preferred activity since set changed " 5209 + pa.mPref.mComponent); 5210 } 5211 pir.removeFilter(pa); 5212 // Re-add the filter as a "last chosen" entry (!always) 5213 PreferredActivity lastChosen = new PreferredActivity( 5214 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5215 pir.addFilter(lastChosen); 5216 changed = true; 5217 return null; 5218 } 5219 5220 // Yay! Either the set matched or we're looking for the last chosen 5221 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5222 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5223 return ri; 5224 } 5225 } 5226 } finally { 5227 if (changed) { 5228 if (DEBUG_PREFERRED) { 5229 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5230 } 5231 scheduleWritePackageRestrictionsLocked(userId); 5232 } 5233 } 5234 } 5235 } 5236 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5237 return null; 5238 } 5239 5240 /* 5241 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5242 */ 5243 @Override 5244 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5245 int targetUserId) { 5246 mContext.enforceCallingOrSelfPermission( 5247 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5248 List<CrossProfileIntentFilter> matches = 5249 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5250 if (matches != null) { 5251 int size = matches.size(); 5252 for (int i = 0; i < size; i++) { 5253 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5254 } 5255 } 5256 if (hasWebURI(intent)) { 5257 // cross-profile app linking works only towards the parent. 5258 final UserInfo parent = getProfileParent(sourceUserId); 5259 synchronized(mPackages) { 5260 int flags = updateFlagsForResolve(0, parent.id, intent); 5261 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5262 intent, resolvedType, flags, sourceUserId, parent.id); 5263 return xpDomainInfo != null; 5264 } 5265 } 5266 return false; 5267 } 5268 5269 private UserInfo getProfileParent(int userId) { 5270 final long identity = Binder.clearCallingIdentity(); 5271 try { 5272 return sUserManager.getProfileParent(userId); 5273 } finally { 5274 Binder.restoreCallingIdentity(identity); 5275 } 5276 } 5277 5278 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5279 String resolvedType, int userId) { 5280 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5281 if (resolver != null) { 5282 return resolver.queryIntent(intent, resolvedType, false, userId); 5283 } 5284 return null; 5285 } 5286 5287 @Override 5288 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5289 String resolvedType, int flags, int userId) { 5290 try { 5291 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5292 5293 return new ParceledListSlice<>( 5294 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5295 } finally { 5296 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5297 } 5298 } 5299 5300 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5301 String resolvedType, int flags, int userId) { 5302 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5303 flags = updateFlagsForResolve(flags, userId, intent); 5304 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5305 false /* requireFullPermission */, false /* checkShell */, 5306 "query intent activities"); 5307 ComponentName comp = intent.getComponent(); 5308 if (comp == null) { 5309 if (intent.getSelector() != null) { 5310 intent = intent.getSelector(); 5311 comp = intent.getComponent(); 5312 } 5313 } 5314 5315 if (comp != null) { 5316 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5317 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5318 if (ai != null) { 5319 final ResolveInfo ri = new ResolveInfo(); 5320 ri.activityInfo = ai; 5321 list.add(ri); 5322 } 5323 return list; 5324 } 5325 5326 // reader 5327 synchronized (mPackages) { 5328 final String pkgName = intent.getPackage(); 5329 if (pkgName == null) { 5330 List<CrossProfileIntentFilter> matchingFilters = 5331 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5332 // Check for results that need to skip the current profile. 5333 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5334 resolvedType, flags, userId); 5335 if (xpResolveInfo != null) { 5336 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5337 result.add(xpResolveInfo); 5338 return filterIfNotSystemUser(result, userId); 5339 } 5340 5341 // Check for results in the current profile. 5342 List<ResolveInfo> result = mActivities.queryIntent( 5343 intent, resolvedType, flags, userId); 5344 result = filterIfNotSystemUser(result, userId); 5345 5346 // Check for cross profile results. 5347 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5348 xpResolveInfo = queryCrossProfileIntents( 5349 matchingFilters, intent, resolvedType, flags, userId, 5350 hasNonNegativePriorityResult); 5351 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5352 boolean isVisibleToUser = filterIfNotSystemUser( 5353 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5354 if (isVisibleToUser) { 5355 result.add(xpResolveInfo); 5356 Collections.sort(result, mResolvePrioritySorter); 5357 } 5358 } 5359 if (hasWebURI(intent)) { 5360 CrossProfileDomainInfo xpDomainInfo = null; 5361 final UserInfo parent = getProfileParent(userId); 5362 if (parent != null) { 5363 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5364 flags, userId, parent.id); 5365 } 5366 if (xpDomainInfo != null) { 5367 if (xpResolveInfo != null) { 5368 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5369 // in the result. 5370 result.remove(xpResolveInfo); 5371 } 5372 if (result.size() == 0) { 5373 result.add(xpDomainInfo.resolveInfo); 5374 return result; 5375 } 5376 } else if (result.size() <= 1) { 5377 return result; 5378 } 5379 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5380 xpDomainInfo, userId); 5381 Collections.sort(result, mResolvePrioritySorter); 5382 } 5383 return result; 5384 } 5385 final PackageParser.Package pkg = mPackages.get(pkgName); 5386 if (pkg != null) { 5387 return filterIfNotSystemUser( 5388 mActivities.queryIntentForPackage( 5389 intent, resolvedType, flags, pkg.activities, userId), 5390 userId); 5391 } 5392 return new ArrayList<ResolveInfo>(); 5393 } 5394 } 5395 5396 private static class CrossProfileDomainInfo { 5397 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5398 ResolveInfo resolveInfo; 5399 /* Best domain verification status of the activities found in the other profile */ 5400 int bestDomainVerificationStatus; 5401 } 5402 5403 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5404 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5405 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5406 sourceUserId)) { 5407 return null; 5408 } 5409 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5410 resolvedType, flags, parentUserId); 5411 5412 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5413 return null; 5414 } 5415 CrossProfileDomainInfo result = null; 5416 int size = resultTargetUser.size(); 5417 for (int i = 0; i < size; i++) { 5418 ResolveInfo riTargetUser = resultTargetUser.get(i); 5419 // Intent filter verification is only for filters that specify a host. So don't return 5420 // those that handle all web uris. 5421 if (riTargetUser.handleAllWebDataURI) { 5422 continue; 5423 } 5424 String packageName = riTargetUser.activityInfo.packageName; 5425 PackageSetting ps = mSettings.mPackages.get(packageName); 5426 if (ps == null) { 5427 continue; 5428 } 5429 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5430 int status = (int)(verificationState >> 32); 5431 if (result == null) { 5432 result = new CrossProfileDomainInfo(); 5433 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5434 sourceUserId, parentUserId); 5435 result.bestDomainVerificationStatus = status; 5436 } else { 5437 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5438 result.bestDomainVerificationStatus); 5439 } 5440 } 5441 // Don't consider matches with status NEVER across profiles. 5442 if (result != null && result.bestDomainVerificationStatus 5443 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5444 return null; 5445 } 5446 return result; 5447 } 5448 5449 /** 5450 * Verification statuses are ordered from the worse to the best, except for 5451 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5452 */ 5453 private int bestDomainVerificationStatus(int status1, int status2) { 5454 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5455 return status2; 5456 } 5457 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5458 return status1; 5459 } 5460 return (int) MathUtils.max(status1, status2); 5461 } 5462 5463 private boolean isUserEnabled(int userId) { 5464 long callingId = Binder.clearCallingIdentity(); 5465 try { 5466 UserInfo userInfo = sUserManager.getUserInfo(userId); 5467 return userInfo != null && userInfo.isEnabled(); 5468 } finally { 5469 Binder.restoreCallingIdentity(callingId); 5470 } 5471 } 5472 5473 /** 5474 * Filter out activities with systemUserOnly flag set, when current user is not System. 5475 * 5476 * @return filtered list 5477 */ 5478 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5479 if (userId == UserHandle.USER_SYSTEM) { 5480 return resolveInfos; 5481 } 5482 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5483 ResolveInfo info = resolveInfos.get(i); 5484 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5485 resolveInfos.remove(i); 5486 } 5487 } 5488 return resolveInfos; 5489 } 5490 5491 /** 5492 * @param resolveInfos list of resolve infos in descending priority order 5493 * @return if the list contains a resolve info with non-negative priority 5494 */ 5495 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5496 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5497 } 5498 5499 private static boolean hasWebURI(Intent intent) { 5500 if (intent.getData() == null) { 5501 return false; 5502 } 5503 final String scheme = intent.getScheme(); 5504 if (TextUtils.isEmpty(scheme)) { 5505 return false; 5506 } 5507 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5508 } 5509 5510 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5511 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5512 int userId) { 5513 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5514 5515 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5516 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5517 candidates.size()); 5518 } 5519 5520 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5521 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5522 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5523 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5524 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5525 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5526 5527 synchronized (mPackages) { 5528 final int count = candidates.size(); 5529 // First, try to use linked apps. Partition the candidates into four lists: 5530 // one for the final results, one for the "do not use ever", one for "undefined status" 5531 // and finally one for "browser app type". 5532 for (int n=0; n<count; n++) { 5533 ResolveInfo info = candidates.get(n); 5534 String packageName = info.activityInfo.packageName; 5535 PackageSetting ps = mSettings.mPackages.get(packageName); 5536 if (ps != null) { 5537 // Add to the special match all list (Browser use case) 5538 if (info.handleAllWebDataURI) { 5539 matchAllList.add(info); 5540 continue; 5541 } 5542 // Try to get the status from User settings first 5543 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5544 int status = (int)(packedStatus >> 32); 5545 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5546 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5547 if (DEBUG_DOMAIN_VERIFICATION) { 5548 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5549 + " : linkgen=" + linkGeneration); 5550 } 5551 // Use link-enabled generation as preferredOrder, i.e. 5552 // prefer newly-enabled over earlier-enabled. 5553 info.preferredOrder = linkGeneration; 5554 alwaysList.add(info); 5555 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5556 if (DEBUG_DOMAIN_VERIFICATION) { 5557 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5558 } 5559 neverList.add(info); 5560 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5561 if (DEBUG_DOMAIN_VERIFICATION) { 5562 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5563 } 5564 alwaysAskList.add(info); 5565 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5566 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5567 if (DEBUG_DOMAIN_VERIFICATION) { 5568 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5569 } 5570 undefinedList.add(info); 5571 } 5572 } 5573 } 5574 5575 // We'll want to include browser possibilities in a few cases 5576 boolean includeBrowser = false; 5577 5578 // First try to add the "always" resolution(s) for the current user, if any 5579 if (alwaysList.size() > 0) { 5580 result.addAll(alwaysList); 5581 } else { 5582 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5583 result.addAll(undefinedList); 5584 // Maybe add one for the other profile. 5585 if (xpDomainInfo != null && ( 5586 xpDomainInfo.bestDomainVerificationStatus 5587 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5588 result.add(xpDomainInfo.resolveInfo); 5589 } 5590 includeBrowser = true; 5591 } 5592 5593 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5594 // If there were 'always' entries their preferred order has been set, so we also 5595 // back that off to make the alternatives equivalent 5596 if (alwaysAskList.size() > 0) { 5597 for (ResolveInfo i : result) { 5598 i.preferredOrder = 0; 5599 } 5600 result.addAll(alwaysAskList); 5601 includeBrowser = true; 5602 } 5603 5604 if (includeBrowser) { 5605 // Also add browsers (all of them or only the default one) 5606 if (DEBUG_DOMAIN_VERIFICATION) { 5607 Slog.v(TAG, " ...including browsers in candidate set"); 5608 } 5609 if ((matchFlags & MATCH_ALL) != 0) { 5610 result.addAll(matchAllList); 5611 } else { 5612 // Browser/generic handling case. If there's a default browser, go straight 5613 // to that (but only if there is no other higher-priority match). 5614 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5615 int maxMatchPrio = 0; 5616 ResolveInfo defaultBrowserMatch = null; 5617 final int numCandidates = matchAllList.size(); 5618 for (int n = 0; n < numCandidates; n++) { 5619 ResolveInfo info = matchAllList.get(n); 5620 // track the highest overall match priority... 5621 if (info.priority > maxMatchPrio) { 5622 maxMatchPrio = info.priority; 5623 } 5624 // ...and the highest-priority default browser match 5625 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5626 if (defaultBrowserMatch == null 5627 || (defaultBrowserMatch.priority < info.priority)) { 5628 if (debug) { 5629 Slog.v(TAG, "Considering default browser match " + info); 5630 } 5631 defaultBrowserMatch = info; 5632 } 5633 } 5634 } 5635 if (defaultBrowserMatch != null 5636 && defaultBrowserMatch.priority >= maxMatchPrio 5637 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5638 { 5639 if (debug) { 5640 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5641 } 5642 result.add(defaultBrowserMatch); 5643 } else { 5644 result.addAll(matchAllList); 5645 } 5646 } 5647 5648 // If there is nothing selected, add all candidates and remove the ones that the user 5649 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5650 if (result.size() == 0) { 5651 result.addAll(candidates); 5652 result.removeAll(neverList); 5653 } 5654 } 5655 } 5656 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5657 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5658 result.size()); 5659 for (ResolveInfo info : result) { 5660 Slog.v(TAG, " + " + info.activityInfo); 5661 } 5662 } 5663 return result; 5664 } 5665 5666 // Returns a packed value as a long: 5667 // 5668 // high 'int'-sized word: link status: undefined/ask/never/always. 5669 // low 'int'-sized word: relative priority among 'always' results. 5670 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5671 long result = ps.getDomainVerificationStatusForUser(userId); 5672 // if none available, get the master status 5673 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5674 if (ps.getIntentFilterVerificationInfo() != null) { 5675 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5676 } 5677 } 5678 return result; 5679 } 5680 5681 private ResolveInfo querySkipCurrentProfileIntents( 5682 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5683 int flags, int sourceUserId) { 5684 if (matchingFilters != null) { 5685 int size = matchingFilters.size(); 5686 for (int i = 0; i < size; i ++) { 5687 CrossProfileIntentFilter filter = matchingFilters.get(i); 5688 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5689 // Checking if there are activities in the target user that can handle the 5690 // intent. 5691 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5692 resolvedType, flags, sourceUserId); 5693 if (resolveInfo != null) { 5694 return resolveInfo; 5695 } 5696 } 5697 } 5698 } 5699 return null; 5700 } 5701 5702 // Return matching ResolveInfo in target user if any. 5703 private ResolveInfo queryCrossProfileIntents( 5704 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5705 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5706 if (matchingFilters != null) { 5707 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5708 // match the same intent. For performance reasons, it is better not to 5709 // run queryIntent twice for the same userId 5710 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5711 int size = matchingFilters.size(); 5712 for (int i = 0; i < size; i++) { 5713 CrossProfileIntentFilter filter = matchingFilters.get(i); 5714 int targetUserId = filter.getTargetUserId(); 5715 boolean skipCurrentProfile = 5716 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5717 boolean skipCurrentProfileIfNoMatchFound = 5718 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5719 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5720 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5721 // Checking if there are activities in the target user that can handle the 5722 // intent. 5723 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5724 resolvedType, flags, sourceUserId); 5725 if (resolveInfo != null) return resolveInfo; 5726 alreadyTriedUserIds.put(targetUserId, true); 5727 } 5728 } 5729 } 5730 return null; 5731 } 5732 5733 /** 5734 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5735 * will forward the intent to the filter's target user. 5736 * Otherwise, returns null. 5737 */ 5738 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5739 String resolvedType, int flags, int sourceUserId) { 5740 int targetUserId = filter.getTargetUserId(); 5741 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5742 resolvedType, flags, targetUserId); 5743 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5744 // If all the matches in the target profile are suspended, return null. 5745 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5746 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5747 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5748 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5749 targetUserId); 5750 } 5751 } 5752 } 5753 return null; 5754 } 5755 5756 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5757 int sourceUserId, int targetUserId) { 5758 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5759 long ident = Binder.clearCallingIdentity(); 5760 boolean targetIsProfile; 5761 try { 5762 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5763 } finally { 5764 Binder.restoreCallingIdentity(ident); 5765 } 5766 String className; 5767 if (targetIsProfile) { 5768 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5769 } else { 5770 className = FORWARD_INTENT_TO_PARENT; 5771 } 5772 ComponentName forwardingActivityComponentName = new ComponentName( 5773 mAndroidApplication.packageName, className); 5774 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5775 sourceUserId); 5776 if (!targetIsProfile) { 5777 forwardingActivityInfo.showUserIcon = targetUserId; 5778 forwardingResolveInfo.noResourceId = true; 5779 } 5780 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5781 forwardingResolveInfo.priority = 0; 5782 forwardingResolveInfo.preferredOrder = 0; 5783 forwardingResolveInfo.match = 0; 5784 forwardingResolveInfo.isDefault = true; 5785 forwardingResolveInfo.filter = filter; 5786 forwardingResolveInfo.targetUserId = targetUserId; 5787 return forwardingResolveInfo; 5788 } 5789 5790 @Override 5791 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5792 Intent[] specifics, String[] specificTypes, Intent intent, 5793 String resolvedType, int flags, int userId) { 5794 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5795 specificTypes, intent, resolvedType, flags, userId)); 5796 } 5797 5798 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5799 Intent[] specifics, String[] specificTypes, Intent intent, 5800 String resolvedType, int flags, int userId) { 5801 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5802 flags = updateFlagsForResolve(flags, userId, intent); 5803 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5804 false /* requireFullPermission */, false /* checkShell */, 5805 "query intent activity options"); 5806 final String resultsAction = intent.getAction(); 5807 5808 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5809 | PackageManager.GET_RESOLVED_FILTER, userId); 5810 5811 if (DEBUG_INTENT_MATCHING) { 5812 Log.v(TAG, "Query " + intent + ": " + results); 5813 } 5814 5815 int specificsPos = 0; 5816 int N; 5817 5818 // todo: note that the algorithm used here is O(N^2). This 5819 // isn't a problem in our current environment, but if we start running 5820 // into situations where we have more than 5 or 10 matches then this 5821 // should probably be changed to something smarter... 5822 5823 // First we go through and resolve each of the specific items 5824 // that were supplied, taking care of removing any corresponding 5825 // duplicate items in the generic resolve list. 5826 if (specifics != null) { 5827 for (int i=0; i<specifics.length; i++) { 5828 final Intent sintent = specifics[i]; 5829 if (sintent == null) { 5830 continue; 5831 } 5832 5833 if (DEBUG_INTENT_MATCHING) { 5834 Log.v(TAG, "Specific #" + i + ": " + sintent); 5835 } 5836 5837 String action = sintent.getAction(); 5838 if (resultsAction != null && resultsAction.equals(action)) { 5839 // If this action was explicitly requested, then don't 5840 // remove things that have it. 5841 action = null; 5842 } 5843 5844 ResolveInfo ri = null; 5845 ActivityInfo ai = null; 5846 5847 ComponentName comp = sintent.getComponent(); 5848 if (comp == null) { 5849 ri = resolveIntent( 5850 sintent, 5851 specificTypes != null ? specificTypes[i] : null, 5852 flags, userId); 5853 if (ri == null) { 5854 continue; 5855 } 5856 if (ri == mResolveInfo) { 5857 // ACK! Must do something better with this. 5858 } 5859 ai = ri.activityInfo; 5860 comp = new ComponentName(ai.applicationInfo.packageName, 5861 ai.name); 5862 } else { 5863 ai = getActivityInfo(comp, flags, userId); 5864 if (ai == null) { 5865 continue; 5866 } 5867 } 5868 5869 // Look for any generic query activities that are duplicates 5870 // of this specific one, and remove them from the results. 5871 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5872 N = results.size(); 5873 int j; 5874 for (j=specificsPos; j<N; j++) { 5875 ResolveInfo sri = results.get(j); 5876 if ((sri.activityInfo.name.equals(comp.getClassName()) 5877 && sri.activityInfo.applicationInfo.packageName.equals( 5878 comp.getPackageName())) 5879 || (action != null && sri.filter.matchAction(action))) { 5880 results.remove(j); 5881 if (DEBUG_INTENT_MATCHING) Log.v( 5882 TAG, "Removing duplicate item from " + j 5883 + " due to specific " + specificsPos); 5884 if (ri == null) { 5885 ri = sri; 5886 } 5887 j--; 5888 N--; 5889 } 5890 } 5891 5892 // Add this specific item to its proper place. 5893 if (ri == null) { 5894 ri = new ResolveInfo(); 5895 ri.activityInfo = ai; 5896 } 5897 results.add(specificsPos, ri); 5898 ri.specificIndex = i; 5899 specificsPos++; 5900 } 5901 } 5902 5903 // Now we go through the remaining generic results and remove any 5904 // duplicate actions that are found here. 5905 N = results.size(); 5906 for (int i=specificsPos; i<N-1; i++) { 5907 final ResolveInfo rii = results.get(i); 5908 if (rii.filter == null) { 5909 continue; 5910 } 5911 5912 // Iterate over all of the actions of this result's intent 5913 // filter... typically this should be just one. 5914 final Iterator<String> it = rii.filter.actionsIterator(); 5915 if (it == null) { 5916 continue; 5917 } 5918 while (it.hasNext()) { 5919 final String action = it.next(); 5920 if (resultsAction != null && resultsAction.equals(action)) { 5921 // If this action was explicitly requested, then don't 5922 // remove things that have it. 5923 continue; 5924 } 5925 for (int j=i+1; j<N; j++) { 5926 final ResolveInfo rij = results.get(j); 5927 if (rij.filter != null && rij.filter.hasAction(action)) { 5928 results.remove(j); 5929 if (DEBUG_INTENT_MATCHING) Log.v( 5930 TAG, "Removing duplicate item from " + j 5931 + " due to action " + action + " at " + i); 5932 j--; 5933 N--; 5934 } 5935 } 5936 } 5937 5938 // If the caller didn't request filter information, drop it now 5939 // so we don't have to marshall/unmarshall it. 5940 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5941 rii.filter = null; 5942 } 5943 } 5944 5945 // Filter out the caller activity if so requested. 5946 if (caller != null) { 5947 N = results.size(); 5948 for (int i=0; i<N; i++) { 5949 ActivityInfo ainfo = results.get(i).activityInfo; 5950 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5951 && caller.getClassName().equals(ainfo.name)) { 5952 results.remove(i); 5953 break; 5954 } 5955 } 5956 } 5957 5958 // If the caller didn't request filter information, 5959 // drop them now so we don't have to 5960 // marshall/unmarshall it. 5961 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5962 N = results.size(); 5963 for (int i=0; i<N; i++) { 5964 results.get(i).filter = null; 5965 } 5966 } 5967 5968 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5969 return results; 5970 } 5971 5972 @Override 5973 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5974 String resolvedType, int flags, int userId) { 5975 return new ParceledListSlice<>( 5976 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5977 } 5978 5979 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5980 String resolvedType, int flags, int userId) { 5981 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5982 flags = updateFlagsForResolve(flags, userId, intent); 5983 ComponentName comp = intent.getComponent(); 5984 if (comp == null) { 5985 if (intent.getSelector() != null) { 5986 intent = intent.getSelector(); 5987 comp = intent.getComponent(); 5988 } 5989 } 5990 if (comp != null) { 5991 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5992 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5993 if (ai != null) { 5994 ResolveInfo ri = new ResolveInfo(); 5995 ri.activityInfo = ai; 5996 list.add(ri); 5997 } 5998 return list; 5999 } 6000 6001 // reader 6002 synchronized (mPackages) { 6003 String pkgName = intent.getPackage(); 6004 if (pkgName == null) { 6005 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6006 } 6007 final PackageParser.Package pkg = mPackages.get(pkgName); 6008 if (pkg != null) { 6009 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6010 userId); 6011 } 6012 return Collections.emptyList(); 6013 } 6014 } 6015 6016 @Override 6017 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6018 if (!sUserManager.exists(userId)) return null; 6019 flags = updateFlagsForResolve(flags, userId, intent); 6020 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6021 if (query != null) { 6022 if (query.size() >= 1) { 6023 // If there is more than one service with the same priority, 6024 // just arbitrarily pick the first one. 6025 return query.get(0); 6026 } 6027 } 6028 return null; 6029 } 6030 6031 @Override 6032 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6033 String resolvedType, int flags, int userId) { 6034 return new ParceledListSlice<>( 6035 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6036 } 6037 6038 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6039 String resolvedType, int flags, int userId) { 6040 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6041 flags = updateFlagsForResolve(flags, userId, intent); 6042 ComponentName comp = intent.getComponent(); 6043 if (comp == null) { 6044 if (intent.getSelector() != null) { 6045 intent = intent.getSelector(); 6046 comp = intent.getComponent(); 6047 } 6048 } 6049 if (comp != null) { 6050 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6051 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6052 if (si != null) { 6053 final ResolveInfo ri = new ResolveInfo(); 6054 ri.serviceInfo = si; 6055 list.add(ri); 6056 } 6057 return list; 6058 } 6059 6060 // reader 6061 synchronized (mPackages) { 6062 String pkgName = intent.getPackage(); 6063 if (pkgName == null) { 6064 return mServices.queryIntent(intent, resolvedType, flags, userId); 6065 } 6066 final PackageParser.Package pkg = mPackages.get(pkgName); 6067 if (pkg != null) { 6068 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6069 userId); 6070 } 6071 return Collections.emptyList(); 6072 } 6073 } 6074 6075 @Override 6076 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6077 String resolvedType, int flags, int userId) { 6078 return new ParceledListSlice<>( 6079 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6080 } 6081 6082 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6083 Intent intent, String resolvedType, int flags, int userId) { 6084 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6085 flags = updateFlagsForResolve(flags, userId, intent); 6086 ComponentName comp = intent.getComponent(); 6087 if (comp == null) { 6088 if (intent.getSelector() != null) { 6089 intent = intent.getSelector(); 6090 comp = intent.getComponent(); 6091 } 6092 } 6093 if (comp != null) { 6094 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6095 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6096 if (pi != null) { 6097 final ResolveInfo ri = new ResolveInfo(); 6098 ri.providerInfo = pi; 6099 list.add(ri); 6100 } 6101 return list; 6102 } 6103 6104 // reader 6105 synchronized (mPackages) { 6106 String pkgName = intent.getPackage(); 6107 if (pkgName == null) { 6108 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6109 } 6110 final PackageParser.Package pkg = mPackages.get(pkgName); 6111 if (pkg != null) { 6112 return mProviders.queryIntentForPackage( 6113 intent, resolvedType, flags, pkg.providers, userId); 6114 } 6115 return Collections.emptyList(); 6116 } 6117 } 6118 6119 @Override 6120 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6121 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6122 flags = updateFlagsForPackage(flags, userId, null); 6123 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6124 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6125 true /* requireFullPermission */, false /* checkShell */, 6126 "get installed packages"); 6127 6128 // writer 6129 synchronized (mPackages) { 6130 ArrayList<PackageInfo> list; 6131 if (listUninstalled) { 6132 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6133 for (PackageSetting ps : mSettings.mPackages.values()) { 6134 final PackageInfo pi; 6135 if (ps.pkg != null) { 6136 pi = generatePackageInfo(ps, flags, userId); 6137 } else { 6138 pi = generatePackageInfo(ps, flags, userId); 6139 } 6140 if (pi != null) { 6141 list.add(pi); 6142 } 6143 } 6144 } else { 6145 list = new ArrayList<PackageInfo>(mPackages.size()); 6146 for (PackageParser.Package p : mPackages.values()) { 6147 final PackageInfo pi = 6148 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6149 if (pi != null) { 6150 list.add(pi); 6151 } 6152 } 6153 } 6154 6155 return new ParceledListSlice<PackageInfo>(list); 6156 } 6157 } 6158 6159 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6160 String[] permissions, boolean[] tmp, int flags, int userId) { 6161 int numMatch = 0; 6162 final PermissionsState permissionsState = ps.getPermissionsState(); 6163 for (int i=0; i<permissions.length; i++) { 6164 final String permission = permissions[i]; 6165 if (permissionsState.hasPermission(permission, userId)) { 6166 tmp[i] = true; 6167 numMatch++; 6168 } else { 6169 tmp[i] = false; 6170 } 6171 } 6172 if (numMatch == 0) { 6173 return; 6174 } 6175 final PackageInfo pi; 6176 if (ps.pkg != null) { 6177 pi = generatePackageInfo(ps, flags, userId); 6178 } else { 6179 pi = generatePackageInfo(ps, flags, userId); 6180 } 6181 // The above might return null in cases of uninstalled apps or install-state 6182 // skew across users/profiles. 6183 if (pi != null) { 6184 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6185 if (numMatch == permissions.length) { 6186 pi.requestedPermissions = permissions; 6187 } else { 6188 pi.requestedPermissions = new String[numMatch]; 6189 numMatch = 0; 6190 for (int i=0; i<permissions.length; i++) { 6191 if (tmp[i]) { 6192 pi.requestedPermissions[numMatch] = permissions[i]; 6193 numMatch++; 6194 } 6195 } 6196 } 6197 } 6198 list.add(pi); 6199 } 6200 } 6201 6202 @Override 6203 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6204 String[] permissions, int flags, int userId) { 6205 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6206 flags = updateFlagsForPackage(flags, userId, permissions); 6207 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6208 6209 // writer 6210 synchronized (mPackages) { 6211 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6212 boolean[] tmpBools = new boolean[permissions.length]; 6213 if (listUninstalled) { 6214 for (PackageSetting ps : mSettings.mPackages.values()) { 6215 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6216 } 6217 } else { 6218 for (PackageParser.Package pkg : mPackages.values()) { 6219 PackageSetting ps = (PackageSetting)pkg.mExtras; 6220 if (ps != null) { 6221 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6222 userId); 6223 } 6224 } 6225 } 6226 6227 return new ParceledListSlice<PackageInfo>(list); 6228 } 6229 } 6230 6231 @Override 6232 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6233 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6234 flags = updateFlagsForApplication(flags, userId, null); 6235 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6236 6237 // writer 6238 synchronized (mPackages) { 6239 ArrayList<ApplicationInfo> list; 6240 if (listUninstalled) { 6241 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6242 for (PackageSetting ps : mSettings.mPackages.values()) { 6243 ApplicationInfo ai; 6244 if (ps.pkg != null) { 6245 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6246 ps.readUserState(userId), userId); 6247 } else { 6248 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6249 } 6250 if (ai != null) { 6251 list.add(ai); 6252 } 6253 } 6254 } else { 6255 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6256 for (PackageParser.Package p : mPackages.values()) { 6257 if (p.mExtras != null) { 6258 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6259 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6260 if (ai != null) { 6261 list.add(ai); 6262 } 6263 } 6264 } 6265 } 6266 6267 return new ParceledListSlice<ApplicationInfo>(list); 6268 } 6269 } 6270 6271 @Override 6272 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6273 if (DISABLE_EPHEMERAL_APPS) { 6274 return null; 6275 } 6276 6277 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6278 "getEphemeralApplications"); 6279 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6280 true /* requireFullPermission */, false /* checkShell */, 6281 "getEphemeralApplications"); 6282 synchronized (mPackages) { 6283 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6284 .getEphemeralApplicationsLPw(userId); 6285 if (ephemeralApps != null) { 6286 return new ParceledListSlice<>(ephemeralApps); 6287 } 6288 } 6289 return null; 6290 } 6291 6292 @Override 6293 public boolean isEphemeralApplication(String packageName, int userId) { 6294 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6295 true /* requireFullPermission */, false /* checkShell */, 6296 "isEphemeral"); 6297 if (DISABLE_EPHEMERAL_APPS) { 6298 return false; 6299 } 6300 6301 if (!isCallerSameApp(packageName)) { 6302 return false; 6303 } 6304 synchronized (mPackages) { 6305 PackageParser.Package pkg = mPackages.get(packageName); 6306 if (pkg != null) { 6307 return pkg.applicationInfo.isEphemeralApp(); 6308 } 6309 } 6310 return false; 6311 } 6312 6313 @Override 6314 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6315 if (DISABLE_EPHEMERAL_APPS) { 6316 return null; 6317 } 6318 6319 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6320 true /* requireFullPermission */, false /* checkShell */, 6321 "getCookie"); 6322 if (!isCallerSameApp(packageName)) { 6323 return null; 6324 } 6325 synchronized (mPackages) { 6326 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6327 packageName, userId); 6328 } 6329 } 6330 6331 @Override 6332 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6333 if (DISABLE_EPHEMERAL_APPS) { 6334 return true; 6335 } 6336 6337 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6338 true /* requireFullPermission */, true /* checkShell */, 6339 "setCookie"); 6340 if (!isCallerSameApp(packageName)) { 6341 return false; 6342 } 6343 synchronized (mPackages) { 6344 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6345 packageName, cookie, userId); 6346 } 6347 } 6348 6349 @Override 6350 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6351 if (DISABLE_EPHEMERAL_APPS) { 6352 return null; 6353 } 6354 6355 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6356 "getEphemeralApplicationIcon"); 6357 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6358 true /* requireFullPermission */, false /* checkShell */, 6359 "getEphemeralApplicationIcon"); 6360 synchronized (mPackages) { 6361 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6362 packageName, userId); 6363 } 6364 } 6365 6366 private boolean isCallerSameApp(String packageName) { 6367 PackageParser.Package pkg = mPackages.get(packageName); 6368 return pkg != null 6369 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6370 } 6371 6372 @Override 6373 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6374 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6375 } 6376 6377 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6378 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6379 6380 // reader 6381 synchronized (mPackages) { 6382 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6383 final int userId = UserHandle.getCallingUserId(); 6384 while (i.hasNext()) { 6385 final PackageParser.Package p = i.next(); 6386 if (p.applicationInfo == null) continue; 6387 6388 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6389 && !p.applicationInfo.isDirectBootAware(); 6390 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6391 && p.applicationInfo.isDirectBootAware(); 6392 6393 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6394 && (!mSafeMode || isSystemApp(p)) 6395 && (matchesUnaware || matchesAware)) { 6396 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6397 if (ps != null) { 6398 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6399 ps.readUserState(userId), userId); 6400 if (ai != null) { 6401 finalList.add(ai); 6402 } 6403 } 6404 } 6405 } 6406 } 6407 6408 return finalList; 6409 } 6410 6411 @Override 6412 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6413 if (!sUserManager.exists(userId)) return null; 6414 flags = updateFlagsForComponent(flags, userId, name); 6415 // reader 6416 synchronized (mPackages) { 6417 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6418 PackageSetting ps = provider != null 6419 ? mSettings.mPackages.get(provider.owner.packageName) 6420 : null; 6421 return ps != null 6422 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6423 ? PackageParser.generateProviderInfo(provider, flags, 6424 ps.readUserState(userId), userId) 6425 : null; 6426 } 6427 } 6428 6429 /** 6430 * @deprecated 6431 */ 6432 @Deprecated 6433 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6434 // reader 6435 synchronized (mPackages) { 6436 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6437 .entrySet().iterator(); 6438 final int userId = UserHandle.getCallingUserId(); 6439 while (i.hasNext()) { 6440 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6441 PackageParser.Provider p = entry.getValue(); 6442 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6443 6444 if (ps != null && p.syncable 6445 && (!mSafeMode || (p.info.applicationInfo.flags 6446 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6447 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6448 ps.readUserState(userId), userId); 6449 if (info != null) { 6450 outNames.add(entry.getKey()); 6451 outInfo.add(info); 6452 } 6453 } 6454 } 6455 } 6456 } 6457 6458 @Override 6459 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6460 int uid, int flags) { 6461 final int userId = processName != null ? UserHandle.getUserId(uid) 6462 : UserHandle.getCallingUserId(); 6463 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6464 flags = updateFlagsForComponent(flags, userId, processName); 6465 6466 ArrayList<ProviderInfo> finalList = null; 6467 // reader 6468 synchronized (mPackages) { 6469 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6470 while (i.hasNext()) { 6471 final PackageParser.Provider p = i.next(); 6472 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6473 if (ps != null && p.info.authority != null 6474 && (processName == null 6475 || (p.info.processName.equals(processName) 6476 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6477 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6478 if (finalList == null) { 6479 finalList = new ArrayList<ProviderInfo>(3); 6480 } 6481 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6482 ps.readUserState(userId), userId); 6483 if (info != null) { 6484 finalList.add(info); 6485 } 6486 } 6487 } 6488 } 6489 6490 if (finalList != null) { 6491 Collections.sort(finalList, mProviderInitOrderSorter); 6492 return new ParceledListSlice<ProviderInfo>(finalList); 6493 } 6494 6495 return ParceledListSlice.emptyList(); 6496 } 6497 6498 @Override 6499 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6500 // reader 6501 synchronized (mPackages) { 6502 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6503 return PackageParser.generateInstrumentationInfo(i, flags); 6504 } 6505 } 6506 6507 @Override 6508 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6509 String targetPackage, int flags) { 6510 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6511 } 6512 6513 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6514 int flags) { 6515 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6516 6517 // reader 6518 synchronized (mPackages) { 6519 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6520 while (i.hasNext()) { 6521 final PackageParser.Instrumentation p = i.next(); 6522 if (targetPackage == null 6523 || targetPackage.equals(p.info.targetPackage)) { 6524 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6525 flags); 6526 if (ii != null) { 6527 finalList.add(ii); 6528 } 6529 } 6530 } 6531 } 6532 6533 return finalList; 6534 } 6535 6536 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6537 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6538 if (overlays == null) { 6539 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6540 return; 6541 } 6542 for (PackageParser.Package opkg : overlays.values()) { 6543 // Not much to do if idmap fails: we already logged the error 6544 // and we certainly don't want to abort installation of pkg simply 6545 // because an overlay didn't fit properly. For these reasons, 6546 // ignore the return value of createIdmapForPackagePairLI. 6547 createIdmapForPackagePairLI(pkg, opkg); 6548 } 6549 } 6550 6551 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6552 PackageParser.Package opkg) { 6553 if (!opkg.mTrustedOverlay) { 6554 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6555 opkg.baseCodePath + ": overlay not trusted"); 6556 return false; 6557 } 6558 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6559 if (overlaySet == null) { 6560 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6561 opkg.baseCodePath + " but target package has no known overlays"); 6562 return false; 6563 } 6564 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6565 // TODO: generate idmap for split APKs 6566 try { 6567 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6568 } catch (InstallerException e) { 6569 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6570 + opkg.baseCodePath); 6571 return false; 6572 } 6573 PackageParser.Package[] overlayArray = 6574 overlaySet.values().toArray(new PackageParser.Package[0]); 6575 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6576 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6577 return p1.mOverlayPriority - p2.mOverlayPriority; 6578 } 6579 }; 6580 Arrays.sort(overlayArray, cmp); 6581 6582 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6583 int i = 0; 6584 for (PackageParser.Package p : overlayArray) { 6585 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6586 } 6587 return true; 6588 } 6589 6590 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6591 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6592 try { 6593 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6594 } finally { 6595 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6596 } 6597 } 6598 6599 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6600 final File[] files = dir.listFiles(); 6601 if (ArrayUtils.isEmpty(files)) { 6602 Log.d(TAG, "No files in app dir " + dir); 6603 return; 6604 } 6605 6606 if (DEBUG_PACKAGE_SCANNING) { 6607 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6608 + " flags=0x" + Integer.toHexString(parseFlags)); 6609 } 6610 6611 for (File file : files) { 6612 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6613 && !PackageInstallerService.isStageName(file.getName()); 6614 if (!isPackage) { 6615 // Ignore entries which are not packages 6616 continue; 6617 } 6618 try { 6619 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6620 scanFlags, currentTime, null); 6621 } catch (PackageManagerException e) { 6622 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6623 6624 // Delete invalid userdata apps 6625 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6626 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6627 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6628 removeCodePathLI(file); 6629 } 6630 } 6631 } 6632 } 6633 6634 private static File getSettingsProblemFile() { 6635 File dataDir = Environment.getDataDirectory(); 6636 File systemDir = new File(dataDir, "system"); 6637 File fname = new File(systemDir, "uiderrors.txt"); 6638 return fname; 6639 } 6640 6641 static void reportSettingsProblem(int priority, String msg) { 6642 logCriticalInfo(priority, msg); 6643 } 6644 6645 static void logCriticalInfo(int priority, String msg) { 6646 Slog.println(priority, TAG, msg); 6647 EventLogTags.writePmCriticalInfo(msg); 6648 try { 6649 File fname = getSettingsProblemFile(); 6650 FileOutputStream out = new FileOutputStream(fname, true); 6651 PrintWriter pw = new FastPrintWriter(out); 6652 SimpleDateFormat formatter = new SimpleDateFormat(); 6653 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6654 pw.println(dateString + ": " + msg); 6655 pw.close(); 6656 FileUtils.setPermissions( 6657 fname.toString(), 6658 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6659 -1, -1); 6660 } catch (java.io.IOException e) { 6661 } 6662 } 6663 6664 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6665 final int policyFlags) throws PackageManagerException { 6666 if (ps != null 6667 && ps.codePath.equals(srcFile) 6668 && ps.timeStamp == srcFile.lastModified() 6669 && !isCompatSignatureUpdateNeeded(pkg) 6670 && !isRecoverSignatureUpdateNeeded(pkg)) { 6671 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6672 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6673 ArraySet<PublicKey> signingKs; 6674 synchronized (mPackages) { 6675 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6676 } 6677 if (ps.signatures.mSignatures != null 6678 && ps.signatures.mSignatures.length != 0 6679 && signingKs != null) { 6680 // Optimization: reuse the existing cached certificates 6681 // if the package appears to be unchanged. 6682 pkg.mSignatures = ps.signatures.mSignatures; 6683 pkg.mSigningKeys = signingKs; 6684 return; 6685 } 6686 6687 Slog.w(TAG, "PackageSetting for " + ps.name 6688 + " is missing signatures. Collecting certs again to recover them."); 6689 } else { 6690 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6691 } 6692 6693 try { 6694 PackageParser.collectCertificates(pkg, policyFlags); 6695 } catch (PackageParserException e) { 6696 throw PackageManagerException.from(e); 6697 } 6698 } 6699 6700 /** 6701 * Traces a package scan. 6702 * @see #scanPackageLI(File, int, int, long, UserHandle) 6703 */ 6704 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6705 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6706 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6707 try { 6708 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6709 } finally { 6710 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6711 } 6712 } 6713 6714 /** 6715 * Scans a package and returns the newly parsed package. 6716 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6717 */ 6718 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6719 long currentTime, UserHandle user) throws PackageManagerException { 6720 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6721 PackageParser pp = new PackageParser(); 6722 pp.setSeparateProcesses(mSeparateProcesses); 6723 pp.setOnlyCoreApps(mOnlyCore); 6724 pp.setDisplayMetrics(mMetrics); 6725 6726 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6727 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6728 } 6729 6730 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6731 final PackageParser.Package pkg; 6732 try { 6733 pkg = pp.parsePackage(scanFile, parseFlags); 6734 } catch (PackageParserException e) { 6735 throw PackageManagerException.from(e); 6736 } finally { 6737 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6738 } 6739 6740 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6741 } 6742 6743 /** 6744 * Scans a package and returns the newly parsed package. 6745 * @throws PackageManagerException on a parse error. 6746 */ 6747 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6748 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6749 throws PackageManagerException { 6750 // If the package has children and this is the first dive in the function 6751 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6752 // packages (parent and children) would be successfully scanned before the 6753 // actual scan since scanning mutates internal state and we want to atomically 6754 // install the package and its children. 6755 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6756 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6757 scanFlags |= SCAN_CHECK_ONLY; 6758 } 6759 } else { 6760 scanFlags &= ~SCAN_CHECK_ONLY; 6761 } 6762 6763 // Scan the parent 6764 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6765 scanFlags, currentTime, user); 6766 6767 // Scan the children 6768 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6769 for (int i = 0; i < childCount; i++) { 6770 PackageParser.Package childPackage = pkg.childPackages.get(i); 6771 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6772 currentTime, user); 6773 } 6774 6775 6776 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6777 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6778 } 6779 6780 return scannedPkg; 6781 } 6782 6783 /** 6784 * Scans a package and returns the newly parsed package. 6785 * @throws PackageManagerException on a parse error. 6786 */ 6787 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6788 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6789 throws PackageManagerException { 6790 PackageSetting ps = null; 6791 PackageSetting updatedPkg; 6792 // reader 6793 synchronized (mPackages) { 6794 // Look to see if we already know about this package. 6795 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6796 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6797 // This package has been renamed to its original name. Let's 6798 // use that. 6799 ps = mSettings.peekPackageLPr(oldName); 6800 } 6801 // If there was no original package, see one for the real package name. 6802 if (ps == null) { 6803 ps = mSettings.peekPackageLPr(pkg.packageName); 6804 } 6805 // Check to see if this package could be hiding/updating a system 6806 // package. Must look for it either under the original or real 6807 // package name depending on our state. 6808 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6809 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6810 6811 // If this is a package we don't know about on the system partition, we 6812 // may need to remove disabled child packages on the system partition 6813 // or may need to not add child packages if the parent apk is updated 6814 // on the data partition and no longer defines this child package. 6815 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6816 // If this is a parent package for an updated system app and this system 6817 // app got an OTA update which no longer defines some of the child packages 6818 // we have to prune them from the disabled system packages. 6819 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6820 if (disabledPs != null) { 6821 final int scannedChildCount = (pkg.childPackages != null) 6822 ? pkg.childPackages.size() : 0; 6823 final int disabledChildCount = disabledPs.childPackageNames != null 6824 ? disabledPs.childPackageNames.size() : 0; 6825 for (int i = 0; i < disabledChildCount; i++) { 6826 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6827 boolean disabledPackageAvailable = false; 6828 for (int j = 0; j < scannedChildCount; j++) { 6829 PackageParser.Package childPkg = pkg.childPackages.get(j); 6830 if (childPkg.packageName.equals(disabledChildPackageName)) { 6831 disabledPackageAvailable = true; 6832 break; 6833 } 6834 } 6835 if (!disabledPackageAvailable) { 6836 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6837 } 6838 } 6839 } 6840 } 6841 } 6842 6843 boolean updatedPkgBetter = false; 6844 // First check if this is a system package that may involve an update 6845 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6846 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6847 // it needs to drop FLAG_PRIVILEGED. 6848 if (locationIsPrivileged(scanFile)) { 6849 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6850 } else { 6851 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6852 } 6853 6854 if (ps != null && !ps.codePath.equals(scanFile)) { 6855 // The path has changed from what was last scanned... check the 6856 // version of the new path against what we have stored to determine 6857 // what to do. 6858 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6859 if (pkg.mVersionCode <= ps.versionCode) { 6860 // The system package has been updated and the code path does not match 6861 // Ignore entry. Skip it. 6862 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6863 + " ignored: updated version " + ps.versionCode 6864 + " better than this " + pkg.mVersionCode); 6865 if (!updatedPkg.codePath.equals(scanFile)) { 6866 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6867 + ps.name + " changing from " + updatedPkg.codePathString 6868 + " to " + scanFile); 6869 updatedPkg.codePath = scanFile; 6870 updatedPkg.codePathString = scanFile.toString(); 6871 updatedPkg.resourcePath = scanFile; 6872 updatedPkg.resourcePathString = scanFile.toString(); 6873 } 6874 updatedPkg.pkg = pkg; 6875 updatedPkg.versionCode = pkg.mVersionCode; 6876 6877 // Update the disabled system child packages to point to the package too. 6878 final int childCount = updatedPkg.childPackageNames != null 6879 ? updatedPkg.childPackageNames.size() : 0; 6880 for (int i = 0; i < childCount; i++) { 6881 String childPackageName = updatedPkg.childPackageNames.get(i); 6882 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6883 childPackageName); 6884 if (updatedChildPkg != null) { 6885 updatedChildPkg.pkg = pkg; 6886 updatedChildPkg.versionCode = pkg.mVersionCode; 6887 } 6888 } 6889 6890 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6891 + scanFile + " ignored: updated version " + ps.versionCode 6892 + " better than this " + pkg.mVersionCode); 6893 } else { 6894 // The current app on the system partition is better than 6895 // what we have updated to on the data partition; switch 6896 // back to the system partition version. 6897 // At this point, its safely assumed that package installation for 6898 // apps in system partition will go through. If not there won't be a working 6899 // version of the app 6900 // writer 6901 synchronized (mPackages) { 6902 // Just remove the loaded entries from package lists. 6903 mPackages.remove(ps.name); 6904 } 6905 6906 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6907 + " reverting from " + ps.codePathString 6908 + ": new version " + pkg.mVersionCode 6909 + " better than installed " + ps.versionCode); 6910 6911 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6912 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6913 synchronized (mInstallLock) { 6914 args.cleanUpResourcesLI(); 6915 } 6916 synchronized (mPackages) { 6917 mSettings.enableSystemPackageLPw(ps.name); 6918 } 6919 updatedPkgBetter = true; 6920 } 6921 } 6922 } 6923 6924 if (updatedPkg != null) { 6925 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6926 // initially 6927 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6928 6929 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6930 // flag set initially 6931 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6932 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6933 } 6934 } 6935 6936 // Verify certificates against what was last scanned 6937 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6938 6939 /* 6940 * A new system app appeared, but we already had a non-system one of the 6941 * same name installed earlier. 6942 */ 6943 boolean shouldHideSystemApp = false; 6944 if (updatedPkg == null && ps != null 6945 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6946 /* 6947 * Check to make sure the signatures match first. If they don't, 6948 * wipe the installed application and its data. 6949 */ 6950 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6951 != PackageManager.SIGNATURE_MATCH) { 6952 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6953 + " signatures don't match existing userdata copy; removing"); 6954 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6955 "scanPackageInternalLI")) { 6956 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6957 } 6958 ps = null; 6959 } else { 6960 /* 6961 * If the newly-added system app is an older version than the 6962 * already installed version, hide it. It will be scanned later 6963 * and re-added like an update. 6964 */ 6965 if (pkg.mVersionCode <= ps.versionCode) { 6966 shouldHideSystemApp = true; 6967 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6968 + " but new version " + pkg.mVersionCode + " better than installed " 6969 + ps.versionCode + "; hiding system"); 6970 } else { 6971 /* 6972 * The newly found system app is a newer version that the 6973 * one previously installed. Simply remove the 6974 * already-installed application and replace it with our own 6975 * while keeping the application data. 6976 */ 6977 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6978 + " reverting from " + ps.codePathString + ": new version " 6979 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6980 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6981 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6982 synchronized (mInstallLock) { 6983 args.cleanUpResourcesLI(); 6984 } 6985 } 6986 } 6987 } 6988 6989 // The apk is forward locked (not public) if its code and resources 6990 // are kept in different files. (except for app in either system or 6991 // vendor path). 6992 // TODO grab this value from PackageSettings 6993 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6994 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6995 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6996 } 6997 } 6998 6999 // TODO: extend to support forward-locked splits 7000 String resourcePath = null; 7001 String baseResourcePath = null; 7002 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7003 if (ps != null && ps.resourcePathString != null) { 7004 resourcePath = ps.resourcePathString; 7005 baseResourcePath = ps.resourcePathString; 7006 } else { 7007 // Should not happen at all. Just log an error. 7008 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7009 } 7010 } else { 7011 resourcePath = pkg.codePath; 7012 baseResourcePath = pkg.baseCodePath; 7013 } 7014 7015 // Set application objects path explicitly. 7016 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7017 pkg.setApplicationInfoCodePath(pkg.codePath); 7018 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7019 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7020 pkg.setApplicationInfoResourcePath(resourcePath); 7021 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7022 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7023 7024 // Note that we invoke the following method only if we are about to unpack an application 7025 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7026 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7027 7028 /* 7029 * If the system app should be overridden by a previously installed 7030 * data, hide the system app now and let the /data/app scan pick it up 7031 * again. 7032 */ 7033 if (shouldHideSystemApp) { 7034 synchronized (mPackages) { 7035 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7036 } 7037 } 7038 7039 return scannedPkg; 7040 } 7041 7042 private static String fixProcessName(String defProcessName, 7043 String processName, int uid) { 7044 if (processName == null) { 7045 return defProcessName; 7046 } 7047 return processName; 7048 } 7049 7050 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7051 throws PackageManagerException { 7052 if (pkgSetting.signatures.mSignatures != null) { 7053 // Already existing package. Make sure signatures match 7054 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7055 == PackageManager.SIGNATURE_MATCH; 7056 if (!match) { 7057 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7058 == PackageManager.SIGNATURE_MATCH; 7059 } 7060 if (!match) { 7061 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7062 == PackageManager.SIGNATURE_MATCH; 7063 } 7064 if (!match) { 7065 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7066 + pkg.packageName + " signatures do not match the " 7067 + "previously installed version; ignoring!"); 7068 } 7069 } 7070 7071 // Check for shared user signatures 7072 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7073 // Already existing package. Make sure signatures match 7074 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7075 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7076 if (!match) { 7077 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7078 == PackageManager.SIGNATURE_MATCH; 7079 } 7080 if (!match) { 7081 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7082 == PackageManager.SIGNATURE_MATCH; 7083 } 7084 if (!match) { 7085 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7086 "Package " + pkg.packageName 7087 + " has no signatures that match those in shared user " 7088 + pkgSetting.sharedUser.name + "; ignoring!"); 7089 } 7090 } 7091 } 7092 7093 /** 7094 * Enforces that only the system UID or root's UID can call a method exposed 7095 * via Binder. 7096 * 7097 * @param message used as message if SecurityException is thrown 7098 * @throws SecurityException if the caller is not system or root 7099 */ 7100 private static final void enforceSystemOrRoot(String message) { 7101 final int uid = Binder.getCallingUid(); 7102 if (uid != Process.SYSTEM_UID && uid != 0) { 7103 throw new SecurityException(message); 7104 } 7105 } 7106 7107 @Override 7108 public void performFstrimIfNeeded() { 7109 enforceSystemOrRoot("Only the system can request fstrim"); 7110 7111 // Before everything else, see whether we need to fstrim. 7112 try { 7113 IMountService ms = PackageHelper.getMountService(); 7114 if (ms != null) { 7115 final boolean isUpgrade = isUpgrade(); 7116 boolean doTrim = isUpgrade; 7117 if (doTrim) { 7118 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7119 } else { 7120 final long interval = android.provider.Settings.Global.getLong( 7121 mContext.getContentResolver(), 7122 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7123 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7124 if (interval > 0) { 7125 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7126 if (timeSinceLast > interval) { 7127 doTrim = true; 7128 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7129 + "; running immediately"); 7130 } 7131 } 7132 } 7133 if (doTrim) { 7134 if (!isFirstBoot()) { 7135 try { 7136 ActivityManagerNative.getDefault().showBootMessage( 7137 mContext.getResources().getString( 7138 R.string.android_upgrading_fstrim), true); 7139 } catch (RemoteException e) { 7140 } 7141 } 7142 ms.runMaintenance(); 7143 } 7144 } else { 7145 Slog.e(TAG, "Mount service unavailable!"); 7146 } 7147 } catch (RemoteException e) { 7148 // Can't happen; MountService is local 7149 } 7150 } 7151 7152 @Override 7153 public void updatePackagesIfNeeded() { 7154 enforceSystemOrRoot("Only the system can request package update"); 7155 7156 // We need to re-extract after an OTA. 7157 boolean causeUpgrade = isUpgrade(); 7158 7159 // First boot or factory reset. 7160 // Note: we also handle devices that are upgrading to N right now as if it is their 7161 // first boot, as they do not have profile data. 7162 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7163 7164 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7165 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7166 7167 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7168 return; 7169 } 7170 7171 List<PackageParser.Package> pkgs; 7172 synchronized (mPackages) { 7173 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7174 } 7175 7176 int curr = 0; 7177 int total = pkgs.size(); 7178 for (PackageParser.Package pkg : pkgs) { 7179 curr++; 7180 7181 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7182 if (DEBUG_DEXOPT) { 7183 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7184 } 7185 continue; 7186 } 7187 7188 if (DEBUG_DEXOPT) { 7189 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 7190 } 7191 7192 if (!isFirstBoot()) { 7193 try { 7194 ActivityManagerNative.getDefault().showBootMessage( 7195 mContext.getResources().getString(R.string.android_upgrading_apk, 7196 curr, total), true); 7197 } catch (RemoteException e) { 7198 } 7199 } 7200 7201 performDexOpt(pkg.packageName, 7202 null /* instructionSet */, 7203 true /* checkProfiles */, 7204 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 7205 false /* force */); 7206 } 7207 } 7208 7209 @Override 7210 public void notifyPackageUse(String packageName, int reason) { 7211 synchronized (mPackages) { 7212 PackageParser.Package p = mPackages.get(packageName); 7213 if (p == null) { 7214 return; 7215 } 7216 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7217 } 7218 } 7219 7220 // TODO: this is not used nor needed. Delete it. 7221 @Override 7222 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 7223 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 7224 getFullCompilerFilter(), false /* force */); 7225 } 7226 7227 @Override 7228 public boolean performDexOpt(String packageName, String instructionSet, 7229 boolean checkProfiles, int compileReason, boolean force) { 7230 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7231 getCompilerFilterForReason(compileReason), force); 7232 } 7233 7234 @Override 7235 public boolean performDexOptMode(String packageName, String instructionSet, 7236 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7237 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7238 targetCompilerFilter, force); 7239 } 7240 7241 private boolean performDexOptTraced(String packageName, String instructionSet, 7242 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7243 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7244 try { 7245 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7246 targetCompilerFilter, force); 7247 } finally { 7248 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7249 } 7250 } 7251 7252 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7253 // if the package can now be considered up to date for the given filter. 7254 private boolean performDexOptInternal(String packageName, String instructionSet, 7255 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7256 PackageParser.Package p; 7257 final String targetInstructionSet; 7258 synchronized (mPackages) { 7259 p = mPackages.get(packageName); 7260 if (p == null) { 7261 return false; 7262 } 7263 mPackageUsage.write(false); 7264 7265 targetInstructionSet = instructionSet != null ? instructionSet : 7266 getPrimaryInstructionSet(p.applicationInfo); 7267 } 7268 long callingId = Binder.clearCallingIdentity(); 7269 try { 7270 synchronized (mInstallLock) { 7271 final String[] instructionSets = new String[] { targetInstructionSet }; 7272 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7273 checkProfiles, targetCompilerFilter, force); 7274 return result != PackageDexOptimizer.DEX_OPT_FAILED; 7275 } 7276 } finally { 7277 Binder.restoreCallingIdentity(callingId); 7278 } 7279 } 7280 7281 public ArraySet<String> getOptimizablePackages() { 7282 ArraySet<String> pkgs = new ArraySet<String>(); 7283 synchronized (mPackages) { 7284 for (PackageParser.Package p : mPackages.values()) { 7285 if (PackageDexOptimizer.canOptimizePackage(p)) { 7286 pkgs.add(p.packageName); 7287 } 7288 } 7289 } 7290 return pkgs; 7291 } 7292 7293 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7294 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7295 boolean force) { 7296 // Select the dex optimizer based on the force parameter. 7297 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7298 // allocate an object here. 7299 PackageDexOptimizer pdo = force 7300 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7301 : mPackageDexOptimizer; 7302 7303 // Optimize all dependencies first. Note: we ignore the return value and march on 7304 // on errors. 7305 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7306 if (!deps.isEmpty()) { 7307 for (PackageParser.Package depPackage : deps) { 7308 // TODO: Analyze and investigate if we (should) profile libraries. 7309 // Currently this will do a full compilation of the library by default. 7310 pdo.performDexOpt(depPackage, instructionSets, false /* checkProfiles */, 7311 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7312 } 7313 } 7314 7315 return pdo.performDexOpt(p, instructionSets, checkProfiles, targetCompilerFilter); 7316 } 7317 7318 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7319 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7320 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7321 Set<String> collectedNames = new HashSet<>(); 7322 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7323 7324 retValue.remove(p); 7325 7326 return retValue; 7327 } else { 7328 return Collections.emptyList(); 7329 } 7330 } 7331 7332 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7333 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7334 if (!collectedNames.contains(p.packageName)) { 7335 collectedNames.add(p.packageName); 7336 collected.add(p); 7337 7338 if (p.usesLibraries != null) { 7339 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7340 } 7341 if (p.usesOptionalLibraries != null) { 7342 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7343 collectedNames); 7344 } 7345 } 7346 } 7347 7348 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7349 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7350 for (String libName : libs) { 7351 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7352 if (libPkg != null) { 7353 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7354 } 7355 } 7356 } 7357 7358 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7359 synchronized (mPackages) { 7360 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7361 if (lib != null && lib.apk != null) { 7362 return mPackages.get(lib.apk); 7363 } 7364 } 7365 return null; 7366 } 7367 7368 public void shutdown() { 7369 mPackageUsage.write(true); 7370 } 7371 7372 @Override 7373 public void forceDexOpt(String packageName) { 7374 enforceSystemOrRoot("forceDexOpt"); 7375 7376 PackageParser.Package pkg; 7377 synchronized (mPackages) { 7378 pkg = mPackages.get(packageName); 7379 if (pkg == null) { 7380 throw new IllegalArgumentException("Unknown package: " + packageName); 7381 } 7382 } 7383 7384 synchronized (mInstallLock) { 7385 final String[] instructionSets = new String[] { 7386 getPrimaryInstructionSet(pkg.applicationInfo) }; 7387 7388 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7389 7390 // Whoever is calling forceDexOpt wants a fully compiled package. 7391 // Don't use profiles since that may cause compilation to be skipped. 7392 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7393 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7394 true /* force */); 7395 7396 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7397 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7398 throw new IllegalStateException("Failed to dexopt: " + res); 7399 } 7400 } 7401 } 7402 7403 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7404 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7405 Slog.w(TAG, "Unable to update from " + oldPkg.name 7406 + " to " + newPkg.packageName 7407 + ": old package not in system partition"); 7408 return false; 7409 } else if (mPackages.get(oldPkg.name) != null) { 7410 Slog.w(TAG, "Unable to update from " + oldPkg.name 7411 + " to " + newPkg.packageName 7412 + ": old package still exists"); 7413 return false; 7414 } 7415 return true; 7416 } 7417 7418 void removeCodePathLI(File codePath) { 7419 if (codePath.isDirectory()) { 7420 try { 7421 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7422 } catch (InstallerException e) { 7423 Slog.w(TAG, "Failed to remove code path", e); 7424 } 7425 } else { 7426 codePath.delete(); 7427 } 7428 } 7429 7430 private int[] resolveUserIds(int userId) { 7431 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7432 } 7433 7434 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7435 if (pkg == null) { 7436 Slog.wtf(TAG, "Package was null!", new Throwable()); 7437 return; 7438 } 7439 clearAppDataLeafLIF(pkg, userId, flags); 7440 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7441 for (int i = 0; i < childCount; i++) { 7442 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7443 } 7444 } 7445 7446 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7447 final PackageSetting ps; 7448 synchronized (mPackages) { 7449 ps = mSettings.mPackages.get(pkg.packageName); 7450 } 7451 for (int realUserId : resolveUserIds(userId)) { 7452 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7453 try { 7454 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7455 ceDataInode); 7456 } catch (InstallerException e) { 7457 Slog.w(TAG, String.valueOf(e)); 7458 } 7459 } 7460 } 7461 7462 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7463 if (pkg == null) { 7464 Slog.wtf(TAG, "Package was null!", new Throwable()); 7465 return; 7466 } 7467 destroyAppDataLeafLIF(pkg, userId, flags); 7468 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7469 for (int i = 0; i < childCount; i++) { 7470 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7471 } 7472 } 7473 7474 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7475 final PackageSetting ps; 7476 synchronized (mPackages) { 7477 ps = mSettings.mPackages.get(pkg.packageName); 7478 } 7479 for (int realUserId : resolveUserIds(userId)) { 7480 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7481 try { 7482 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7483 ceDataInode); 7484 } catch (InstallerException e) { 7485 Slog.w(TAG, String.valueOf(e)); 7486 } 7487 } 7488 } 7489 7490 private void destroyAppProfilesLIF(PackageParser.Package pkg) { 7491 if (pkg == null) { 7492 Slog.wtf(TAG, "Package was null!", new Throwable()); 7493 return; 7494 } 7495 destroyAppProfilesLeafLIF(pkg); 7496 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7497 for (int i = 0; i < childCount; i++) { 7498 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7499 } 7500 } 7501 7502 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7503 try { 7504 mInstaller.destroyAppProfiles(pkg.packageName); 7505 } catch (InstallerException e) { 7506 Slog.w(TAG, String.valueOf(e)); 7507 } 7508 } 7509 7510 private void clearAppProfilesLIF(PackageParser.Package pkg) { 7511 if (pkg == null) { 7512 Slog.wtf(TAG, "Package was null!", new Throwable()); 7513 return; 7514 } 7515 clearAppProfilesLeafLIF(pkg); 7516 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7517 for (int i = 0; i < childCount; i++) { 7518 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7519 } 7520 } 7521 7522 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7523 try { 7524 mInstaller.clearAppProfiles(pkg.packageName); 7525 } catch (InstallerException e) { 7526 Slog.w(TAG, String.valueOf(e)); 7527 } 7528 } 7529 7530 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7531 long lastUpdateTime) { 7532 // Set parent install/update time 7533 PackageSetting ps = (PackageSetting) pkg.mExtras; 7534 if (ps != null) { 7535 ps.firstInstallTime = firstInstallTime; 7536 ps.lastUpdateTime = lastUpdateTime; 7537 } 7538 // Set children install/update time 7539 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7540 for (int i = 0; i < childCount; i++) { 7541 PackageParser.Package childPkg = pkg.childPackages.get(i); 7542 ps = (PackageSetting) childPkg.mExtras; 7543 if (ps != null) { 7544 ps.firstInstallTime = firstInstallTime; 7545 ps.lastUpdateTime = lastUpdateTime; 7546 } 7547 } 7548 } 7549 7550 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7551 PackageParser.Package changingLib) { 7552 if (file.path != null) { 7553 usesLibraryFiles.add(file.path); 7554 return; 7555 } 7556 PackageParser.Package p = mPackages.get(file.apk); 7557 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7558 // If we are doing this while in the middle of updating a library apk, 7559 // then we need to make sure to use that new apk for determining the 7560 // dependencies here. (We haven't yet finished committing the new apk 7561 // to the package manager state.) 7562 if (p == null || p.packageName.equals(changingLib.packageName)) { 7563 p = changingLib; 7564 } 7565 } 7566 if (p != null) { 7567 usesLibraryFiles.addAll(p.getAllCodePaths()); 7568 } 7569 } 7570 7571 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7572 PackageParser.Package changingLib) throws PackageManagerException { 7573 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7574 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7575 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7576 for (int i=0; i<N; i++) { 7577 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7578 if (file == null) { 7579 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7580 "Package " + pkg.packageName + " requires unavailable shared library " 7581 + pkg.usesLibraries.get(i) + "; failing!"); 7582 } 7583 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7584 } 7585 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7586 for (int i=0; i<N; i++) { 7587 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7588 if (file == null) { 7589 Slog.w(TAG, "Package " + pkg.packageName 7590 + " desires unavailable shared library " 7591 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7592 } else { 7593 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7594 } 7595 } 7596 N = usesLibraryFiles.size(); 7597 if (N > 0) { 7598 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7599 } else { 7600 pkg.usesLibraryFiles = null; 7601 } 7602 } 7603 } 7604 7605 private static boolean hasString(List<String> list, List<String> which) { 7606 if (list == null) { 7607 return false; 7608 } 7609 for (int i=list.size()-1; i>=0; i--) { 7610 for (int j=which.size()-1; j>=0; j--) { 7611 if (which.get(j).equals(list.get(i))) { 7612 return true; 7613 } 7614 } 7615 } 7616 return false; 7617 } 7618 7619 private void updateAllSharedLibrariesLPw() { 7620 for (PackageParser.Package pkg : mPackages.values()) { 7621 try { 7622 updateSharedLibrariesLPw(pkg, null); 7623 } catch (PackageManagerException e) { 7624 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7625 } 7626 } 7627 } 7628 7629 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7630 PackageParser.Package changingPkg) { 7631 ArrayList<PackageParser.Package> res = null; 7632 for (PackageParser.Package pkg : mPackages.values()) { 7633 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7634 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7635 if (res == null) { 7636 res = new ArrayList<PackageParser.Package>(); 7637 } 7638 res.add(pkg); 7639 try { 7640 updateSharedLibrariesLPw(pkg, changingPkg); 7641 } catch (PackageManagerException e) { 7642 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7643 } 7644 } 7645 } 7646 return res; 7647 } 7648 7649 /** 7650 * Derive the value of the {@code cpuAbiOverride} based on the provided 7651 * value and an optional stored value from the package settings. 7652 */ 7653 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7654 String cpuAbiOverride = null; 7655 7656 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7657 cpuAbiOverride = null; 7658 } else if (abiOverride != null) { 7659 cpuAbiOverride = abiOverride; 7660 } else if (settings != null) { 7661 cpuAbiOverride = settings.cpuAbiOverrideString; 7662 } 7663 7664 return cpuAbiOverride; 7665 } 7666 7667 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7668 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7669 throws PackageManagerException { 7670 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7671 // If the package has children and this is the first dive in the function 7672 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7673 // whether all packages (parent and children) would be successfully scanned 7674 // before the actual scan since scanning mutates internal state and we want 7675 // to atomically install the package and its children. 7676 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7677 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7678 scanFlags |= SCAN_CHECK_ONLY; 7679 } 7680 } else { 7681 scanFlags &= ~SCAN_CHECK_ONLY; 7682 } 7683 7684 final PackageParser.Package scannedPkg; 7685 try { 7686 // Scan the parent 7687 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7688 // Scan the children 7689 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7690 for (int i = 0; i < childCount; i++) { 7691 PackageParser.Package childPkg = pkg.childPackages.get(i); 7692 scanPackageLI(childPkg, policyFlags, 7693 scanFlags, currentTime, user); 7694 } 7695 } finally { 7696 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7697 } 7698 7699 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7700 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7701 } 7702 7703 return scannedPkg; 7704 } 7705 7706 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7707 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7708 boolean success = false; 7709 try { 7710 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7711 currentTime, user); 7712 success = true; 7713 return res; 7714 } finally { 7715 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7716 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7717 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7718 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7719 destroyAppProfilesLIF(pkg); 7720 } 7721 } 7722 } 7723 7724 /** 7725 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7726 */ 7727 private static boolean apkHasCode(String fileName) { 7728 StrictJarFile jarFile = null; 7729 try { 7730 jarFile = new StrictJarFile(fileName, 7731 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7732 return jarFile.findEntry("classes.dex") != null; 7733 } catch (IOException ignore) { 7734 } finally { 7735 try { 7736 jarFile.close(); 7737 } catch (IOException ignore) {} 7738 } 7739 return false; 7740 } 7741 7742 /** 7743 * Enforces code policy for the package. This ensures that if an APK has 7744 * declared hasCode="true" in its manifest that the APK actually contains 7745 * code. 7746 * 7747 * @throws PackageManagerException If bytecode could not be found when it should exist 7748 */ 7749 private static void enforceCodePolicy(PackageParser.Package pkg) 7750 throws PackageManagerException { 7751 final boolean shouldHaveCode = 7752 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7753 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7754 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7755 "Package " + pkg.baseCodePath + " code is missing"); 7756 } 7757 7758 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7759 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7760 final boolean splitShouldHaveCode = 7761 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7762 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7763 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7764 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7765 } 7766 } 7767 } 7768 } 7769 7770 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7771 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7772 throws PackageManagerException { 7773 final File scanFile = new File(pkg.codePath); 7774 if (pkg.applicationInfo.getCodePath() == null || 7775 pkg.applicationInfo.getResourcePath() == null) { 7776 // Bail out. The resource and code paths haven't been set. 7777 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7778 "Code and resource paths haven't been set correctly"); 7779 } 7780 7781 // Apply policy 7782 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7783 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7784 if (pkg.applicationInfo.isDirectBootAware()) { 7785 // we're direct boot aware; set for all components 7786 for (PackageParser.Service s : pkg.services) { 7787 s.info.encryptionAware = s.info.directBootAware = true; 7788 } 7789 for (PackageParser.Provider p : pkg.providers) { 7790 p.info.encryptionAware = p.info.directBootAware = true; 7791 } 7792 for (PackageParser.Activity a : pkg.activities) { 7793 a.info.encryptionAware = a.info.directBootAware = true; 7794 } 7795 for (PackageParser.Activity r : pkg.receivers) { 7796 r.info.encryptionAware = r.info.directBootAware = true; 7797 } 7798 } 7799 } else { 7800 // Only allow system apps to be flagged as core apps. 7801 pkg.coreApp = false; 7802 // clear flags not applicable to regular apps 7803 pkg.applicationInfo.privateFlags &= 7804 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7805 pkg.applicationInfo.privateFlags &= 7806 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7807 } 7808 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7809 7810 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7811 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7812 } 7813 7814 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7815 enforceCodePolicy(pkg); 7816 } 7817 7818 if (mCustomResolverComponentName != null && 7819 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7820 setUpCustomResolverActivity(pkg); 7821 } 7822 7823 if (pkg.packageName.equals("android")) { 7824 synchronized (mPackages) { 7825 if (mAndroidApplication != null) { 7826 Slog.w(TAG, "*************************************************"); 7827 Slog.w(TAG, "Core android package being redefined. Skipping."); 7828 Slog.w(TAG, " file=" + scanFile); 7829 Slog.w(TAG, "*************************************************"); 7830 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7831 "Core android package being redefined. Skipping."); 7832 } 7833 7834 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7835 // Set up information for our fall-back user intent resolution activity. 7836 mPlatformPackage = pkg; 7837 pkg.mVersionCode = mSdkVersion; 7838 mAndroidApplication = pkg.applicationInfo; 7839 7840 if (!mResolverReplaced) { 7841 mResolveActivity.applicationInfo = mAndroidApplication; 7842 mResolveActivity.name = ResolverActivity.class.getName(); 7843 mResolveActivity.packageName = mAndroidApplication.packageName; 7844 mResolveActivity.processName = "system:ui"; 7845 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7846 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7847 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7848 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7849 mResolveActivity.exported = true; 7850 mResolveActivity.enabled = true; 7851 mResolveInfo.activityInfo = mResolveActivity; 7852 mResolveInfo.priority = 0; 7853 mResolveInfo.preferredOrder = 0; 7854 mResolveInfo.match = 0; 7855 mResolveComponentName = new ComponentName( 7856 mAndroidApplication.packageName, mResolveActivity.name); 7857 } 7858 } 7859 } 7860 } 7861 7862 if (DEBUG_PACKAGE_SCANNING) { 7863 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7864 Log.d(TAG, "Scanning package " + pkg.packageName); 7865 } 7866 7867 synchronized (mPackages) { 7868 if (mPackages.containsKey(pkg.packageName) 7869 || mSharedLibraries.containsKey(pkg.packageName)) { 7870 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7871 "Application package " + pkg.packageName 7872 + " already installed. Skipping duplicate."); 7873 } 7874 7875 // If we're only installing presumed-existing packages, require that the 7876 // scanned APK is both already known and at the path previously established 7877 // for it. Previously unknown packages we pick up normally, but if we have an 7878 // a priori expectation about this package's install presence, enforce it. 7879 // With a singular exception for new system packages. When an OTA contains 7880 // a new system package, we allow the codepath to change from a system location 7881 // to the user-installed location. If we don't allow this change, any newer, 7882 // user-installed version of the application will be ignored. 7883 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7884 if (mExpectingBetter.containsKey(pkg.packageName)) { 7885 logCriticalInfo(Log.WARN, 7886 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7887 } else { 7888 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7889 if (known != null) { 7890 if (DEBUG_PACKAGE_SCANNING) { 7891 Log.d(TAG, "Examining " + pkg.codePath 7892 + " and requiring known paths " + known.codePathString 7893 + " & " + known.resourcePathString); 7894 } 7895 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7896 || !pkg.applicationInfo.getResourcePath().equals( 7897 known.resourcePathString)) { 7898 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7899 "Application package " + pkg.packageName 7900 + " found at " + pkg.applicationInfo.getCodePath() 7901 + " but expected at " + known.codePathString 7902 + "; ignoring."); 7903 } 7904 } 7905 } 7906 } 7907 } 7908 7909 // Initialize package source and resource directories 7910 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7911 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7912 7913 SharedUserSetting suid = null; 7914 PackageSetting pkgSetting = null; 7915 7916 if (!isSystemApp(pkg)) { 7917 // Only system apps can use these features. 7918 pkg.mOriginalPackages = null; 7919 pkg.mRealPackage = null; 7920 pkg.mAdoptPermissions = null; 7921 } 7922 7923 // Getting the package setting may have a side-effect, so if we 7924 // are only checking if scan would succeed, stash a copy of the 7925 // old setting to restore at the end. 7926 PackageSetting nonMutatedPs = null; 7927 7928 // writer 7929 synchronized (mPackages) { 7930 if (pkg.mSharedUserId != null) { 7931 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7932 if (suid == null) { 7933 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7934 "Creating application package " + pkg.packageName 7935 + " for shared user failed"); 7936 } 7937 if (DEBUG_PACKAGE_SCANNING) { 7938 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7939 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7940 + "): packages=" + suid.packages); 7941 } 7942 } 7943 7944 // Check if we are renaming from an original package name. 7945 PackageSetting origPackage = null; 7946 String realName = null; 7947 if (pkg.mOriginalPackages != null) { 7948 // This package may need to be renamed to a previously 7949 // installed name. Let's check on that... 7950 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7951 if (pkg.mOriginalPackages.contains(renamed)) { 7952 // This package had originally been installed as the 7953 // original name, and we have already taken care of 7954 // transitioning to the new one. Just update the new 7955 // one to continue using the old name. 7956 realName = pkg.mRealPackage; 7957 if (!pkg.packageName.equals(renamed)) { 7958 // Callers into this function may have already taken 7959 // care of renaming the package; only do it here if 7960 // it is not already done. 7961 pkg.setPackageName(renamed); 7962 } 7963 7964 } else { 7965 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7966 if ((origPackage = mSettings.peekPackageLPr( 7967 pkg.mOriginalPackages.get(i))) != null) { 7968 // We do have the package already installed under its 7969 // original name... should we use it? 7970 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7971 // New package is not compatible with original. 7972 origPackage = null; 7973 continue; 7974 } else if (origPackage.sharedUser != null) { 7975 // Make sure uid is compatible between packages. 7976 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7977 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7978 + " to " + pkg.packageName + ": old uid " 7979 + origPackage.sharedUser.name 7980 + " differs from " + pkg.mSharedUserId); 7981 origPackage = null; 7982 continue; 7983 } 7984 // TODO: Add case when shared user id is added [b/28144775] 7985 } else { 7986 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7987 + pkg.packageName + " to old name " + origPackage.name); 7988 } 7989 break; 7990 } 7991 } 7992 } 7993 } 7994 7995 if (mTransferedPackages.contains(pkg.packageName)) { 7996 Slog.w(TAG, "Package " + pkg.packageName 7997 + " was transferred to another, but its .apk remains"); 7998 } 7999 8000 // See comments in nonMutatedPs declaration 8001 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8002 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8003 if (foundPs != null) { 8004 nonMutatedPs = new PackageSetting(foundPs); 8005 } 8006 } 8007 8008 // Just create the setting, don't add it yet. For already existing packages 8009 // the PkgSetting exists already and doesn't have to be created. 8010 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8011 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8012 pkg.applicationInfo.primaryCpuAbi, 8013 pkg.applicationInfo.secondaryCpuAbi, 8014 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8015 user, false); 8016 if (pkgSetting == null) { 8017 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8018 "Creating application package " + pkg.packageName + " failed"); 8019 } 8020 8021 if (pkgSetting.origPackage != null) { 8022 // If we are first transitioning from an original package, 8023 // fix up the new package's name now. We need to do this after 8024 // looking up the package under its new name, so getPackageLP 8025 // can take care of fiddling things correctly. 8026 pkg.setPackageName(origPackage.name); 8027 8028 // File a report about this. 8029 String msg = "New package " + pkgSetting.realName 8030 + " renamed to replace old package " + pkgSetting.name; 8031 reportSettingsProblem(Log.WARN, msg); 8032 8033 // Make a note of it. 8034 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8035 mTransferedPackages.add(origPackage.name); 8036 } 8037 8038 // No longer need to retain this. 8039 pkgSetting.origPackage = null; 8040 } 8041 8042 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8043 // Make a note of it. 8044 mTransferedPackages.add(pkg.packageName); 8045 } 8046 8047 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8048 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8049 } 8050 8051 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8052 // Check all shared libraries and map to their actual file path. 8053 // We only do this here for apps not on a system dir, because those 8054 // are the only ones that can fail an install due to this. We 8055 // will take care of the system apps by updating all of their 8056 // library paths after the scan is done. 8057 updateSharedLibrariesLPw(pkg, null); 8058 } 8059 8060 if (mFoundPolicyFile) { 8061 SELinuxMMAC.assignSeinfoValue(pkg); 8062 } 8063 8064 pkg.applicationInfo.uid = pkgSetting.appId; 8065 pkg.mExtras = pkgSetting; 8066 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8067 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8068 // We just determined the app is signed correctly, so bring 8069 // over the latest parsed certs. 8070 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8071 } else { 8072 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8073 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8074 "Package " + pkg.packageName + " upgrade keys do not match the " 8075 + "previously installed version"); 8076 } else { 8077 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8078 String msg = "System package " + pkg.packageName 8079 + " signature changed; retaining data."; 8080 reportSettingsProblem(Log.WARN, msg); 8081 } 8082 } 8083 } else { 8084 try { 8085 verifySignaturesLP(pkgSetting, pkg); 8086 // We just determined the app is signed correctly, so bring 8087 // over the latest parsed certs. 8088 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8089 } catch (PackageManagerException e) { 8090 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8091 throw e; 8092 } 8093 // The signature has changed, but this package is in the system 8094 // image... let's recover! 8095 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8096 // However... if this package is part of a shared user, but it 8097 // doesn't match the signature of the shared user, let's fail. 8098 // What this means is that you can't change the signatures 8099 // associated with an overall shared user, which doesn't seem all 8100 // that unreasonable. 8101 if (pkgSetting.sharedUser != null) { 8102 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8103 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8104 throw new PackageManagerException( 8105 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8106 "Signature mismatch for shared user: " 8107 + pkgSetting.sharedUser); 8108 } 8109 } 8110 // File a report about this. 8111 String msg = "System package " + pkg.packageName 8112 + " signature changed; retaining data."; 8113 reportSettingsProblem(Log.WARN, msg); 8114 } 8115 } 8116 // Verify that this new package doesn't have any content providers 8117 // that conflict with existing packages. Only do this if the 8118 // package isn't already installed, since we don't want to break 8119 // things that are installed. 8120 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8121 final int N = pkg.providers.size(); 8122 int i; 8123 for (i=0; i<N; i++) { 8124 PackageParser.Provider p = pkg.providers.get(i); 8125 if (p.info.authority != null) { 8126 String names[] = p.info.authority.split(";"); 8127 for (int j = 0; j < names.length; j++) { 8128 if (mProvidersByAuthority.containsKey(names[j])) { 8129 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8130 final String otherPackageName = 8131 ((other != null && other.getComponentName() != null) ? 8132 other.getComponentName().getPackageName() : "?"); 8133 throw new PackageManagerException( 8134 INSTALL_FAILED_CONFLICTING_PROVIDER, 8135 "Can't install because provider name " + names[j] 8136 + " (in package " + pkg.applicationInfo.packageName 8137 + ") is already used by " + otherPackageName); 8138 } 8139 } 8140 } 8141 } 8142 } 8143 8144 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8145 // This package wants to adopt ownership of permissions from 8146 // another package. 8147 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8148 final String origName = pkg.mAdoptPermissions.get(i); 8149 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8150 if (orig != null) { 8151 if (verifyPackageUpdateLPr(orig, pkg)) { 8152 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8153 + pkg.packageName); 8154 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8155 } 8156 } 8157 } 8158 } 8159 } 8160 8161 final String pkgName = pkg.packageName; 8162 8163 final long scanFileTime = scanFile.lastModified(); 8164 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8165 pkg.applicationInfo.processName = fixProcessName( 8166 pkg.applicationInfo.packageName, 8167 pkg.applicationInfo.processName, 8168 pkg.applicationInfo.uid); 8169 8170 if (pkg != mPlatformPackage) { 8171 // Get all of our default paths setup 8172 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8173 } 8174 8175 final String path = scanFile.getPath(); 8176 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8177 8178 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8179 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8180 8181 // Some system apps still use directory structure for native libraries 8182 // in which case we might end up not detecting abi solely based on apk 8183 // structure. Try to detect abi based on directory structure. 8184 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8185 pkg.applicationInfo.primaryCpuAbi == null) { 8186 setBundledAppAbisAndRoots(pkg, pkgSetting); 8187 setNativeLibraryPaths(pkg); 8188 } 8189 8190 } else { 8191 if ((scanFlags & SCAN_MOVE) != 0) { 8192 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8193 // but we already have this packages package info in the PackageSetting. We just 8194 // use that and derive the native library path based on the new codepath. 8195 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8196 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8197 } 8198 8199 // Set native library paths again. For moves, the path will be updated based on the 8200 // ABIs we've determined above. For non-moves, the path will be updated based on the 8201 // ABIs we determined during compilation, but the path will depend on the final 8202 // package path (after the rename away from the stage path). 8203 setNativeLibraryPaths(pkg); 8204 } 8205 8206 // This is a special case for the "system" package, where the ABI is 8207 // dictated by the zygote configuration (and init.rc). We should keep track 8208 // of this ABI so that we can deal with "normal" applications that run under 8209 // the same UID correctly. 8210 if (mPlatformPackage == pkg) { 8211 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8212 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8213 } 8214 8215 // If there's a mismatch between the abi-override in the package setting 8216 // and the abiOverride specified for the install. Warn about this because we 8217 // would've already compiled the app without taking the package setting into 8218 // account. 8219 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8220 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8221 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8222 " for package " + pkg.packageName); 8223 } 8224 } 8225 8226 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8227 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8228 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8229 8230 // Copy the derived override back to the parsed package, so that we can 8231 // update the package settings accordingly. 8232 pkg.cpuAbiOverride = cpuAbiOverride; 8233 8234 if (DEBUG_ABI_SELECTION) { 8235 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8236 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8237 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8238 } 8239 8240 // Push the derived path down into PackageSettings so we know what to 8241 // clean up at uninstall time. 8242 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8243 8244 if (DEBUG_ABI_SELECTION) { 8245 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8246 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8247 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8248 } 8249 8250 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8251 // We don't do this here during boot because we can do it all 8252 // at once after scanning all existing packages. 8253 // 8254 // We also do this *before* we perform dexopt on this package, so that 8255 // we can avoid redundant dexopts, and also to make sure we've got the 8256 // code and package path correct. 8257 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8258 pkg, true /* boot complete */); 8259 } 8260 8261 if (mFactoryTest && pkg.requestedPermissions.contains( 8262 android.Manifest.permission.FACTORY_TEST)) { 8263 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8264 } 8265 8266 ArrayList<PackageParser.Package> clientLibPkgs = null; 8267 8268 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8269 if (nonMutatedPs != null) { 8270 synchronized (mPackages) { 8271 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8272 } 8273 } 8274 return pkg; 8275 } 8276 8277 // Only privileged apps and updated privileged apps can add child packages. 8278 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8279 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8280 throw new PackageManagerException("Only privileged apps and updated " 8281 + "privileged apps can add child packages. Ignoring package " 8282 + pkg.packageName); 8283 } 8284 final int childCount = pkg.childPackages.size(); 8285 for (int i = 0; i < childCount; i++) { 8286 PackageParser.Package childPkg = pkg.childPackages.get(i); 8287 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8288 childPkg.packageName)) { 8289 throw new PackageManagerException("Cannot override a child package of " 8290 + "another disabled system app. Ignoring package " + pkg.packageName); 8291 } 8292 } 8293 } 8294 8295 // writer 8296 synchronized (mPackages) { 8297 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8298 // Only system apps can add new shared libraries. 8299 if (pkg.libraryNames != null) { 8300 for (int i=0; i<pkg.libraryNames.size(); i++) { 8301 String name = pkg.libraryNames.get(i); 8302 boolean allowed = false; 8303 if (pkg.isUpdatedSystemApp()) { 8304 // New library entries can only be added through the 8305 // system image. This is important to get rid of a lot 8306 // of nasty edge cases: for example if we allowed a non- 8307 // system update of the app to add a library, then uninstalling 8308 // the update would make the library go away, and assumptions 8309 // we made such as through app install filtering would now 8310 // have allowed apps on the device which aren't compatible 8311 // with it. Better to just have the restriction here, be 8312 // conservative, and create many fewer cases that can negatively 8313 // impact the user experience. 8314 final PackageSetting sysPs = mSettings 8315 .getDisabledSystemPkgLPr(pkg.packageName); 8316 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8317 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8318 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8319 allowed = true; 8320 break; 8321 } 8322 } 8323 } 8324 } else { 8325 allowed = true; 8326 } 8327 if (allowed) { 8328 if (!mSharedLibraries.containsKey(name)) { 8329 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8330 } else if (!name.equals(pkg.packageName)) { 8331 Slog.w(TAG, "Package " + pkg.packageName + " library " 8332 + name + " already exists; skipping"); 8333 } 8334 } else { 8335 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8336 + name + " that is not declared on system image; skipping"); 8337 } 8338 } 8339 if ((scanFlags & SCAN_BOOTING) == 0) { 8340 // If we are not booting, we need to update any applications 8341 // that are clients of our shared library. If we are booting, 8342 // this will all be done once the scan is complete. 8343 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8344 } 8345 } 8346 } 8347 } 8348 8349 if ((scanFlags & SCAN_BOOTING) != 0) { 8350 // No apps can run during boot scan, so they don't need to be frozen 8351 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8352 // Caller asked to not kill app, so it's probably not frozen 8353 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8354 // Caller asked us to ignore frozen check for some reason; they 8355 // probably didn't know the package name 8356 } else { 8357 // We're doing major surgery on this package, so it better be frozen 8358 // right now to keep it from launching 8359 checkPackageFrozen(pkgName); 8360 } 8361 8362 // Also need to kill any apps that are dependent on the library. 8363 if (clientLibPkgs != null) { 8364 for (int i=0; i<clientLibPkgs.size(); i++) { 8365 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8366 killApplication(clientPkg.applicationInfo.packageName, 8367 clientPkg.applicationInfo.uid, "update lib"); 8368 } 8369 } 8370 8371 // Make sure we're not adding any bogus keyset info 8372 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8373 ksms.assertScannedPackageValid(pkg); 8374 8375 // writer 8376 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8377 8378 boolean createIdmapFailed = false; 8379 synchronized (mPackages) { 8380 // We don't expect installation to fail beyond this point 8381 8382 // Add the new setting to mSettings 8383 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8384 // Add the new setting to mPackages 8385 mPackages.put(pkg.applicationInfo.packageName, pkg); 8386 // Make sure we don't accidentally delete its data. 8387 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8388 while (iter.hasNext()) { 8389 PackageCleanItem item = iter.next(); 8390 if (pkgName.equals(item.packageName)) { 8391 iter.remove(); 8392 } 8393 } 8394 8395 // Take care of first install / last update times. 8396 if (currentTime != 0) { 8397 if (pkgSetting.firstInstallTime == 0) { 8398 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8399 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8400 pkgSetting.lastUpdateTime = currentTime; 8401 } 8402 } else if (pkgSetting.firstInstallTime == 0) { 8403 // We need *something*. Take time time stamp of the file. 8404 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8405 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8406 if (scanFileTime != pkgSetting.timeStamp) { 8407 // A package on the system image has changed; consider this 8408 // to be an update. 8409 pkgSetting.lastUpdateTime = scanFileTime; 8410 } 8411 } 8412 8413 // Add the package's KeySets to the global KeySetManagerService 8414 ksms.addScannedPackageLPw(pkg); 8415 8416 int N = pkg.providers.size(); 8417 StringBuilder r = null; 8418 int i; 8419 for (i=0; i<N; i++) { 8420 PackageParser.Provider p = pkg.providers.get(i); 8421 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8422 p.info.processName, pkg.applicationInfo.uid); 8423 mProviders.addProvider(p); 8424 p.syncable = p.info.isSyncable; 8425 if (p.info.authority != null) { 8426 String names[] = p.info.authority.split(";"); 8427 p.info.authority = null; 8428 for (int j = 0; j < names.length; j++) { 8429 if (j == 1 && p.syncable) { 8430 // We only want the first authority for a provider to possibly be 8431 // syncable, so if we already added this provider using a different 8432 // authority clear the syncable flag. We copy the provider before 8433 // changing it because the mProviders object contains a reference 8434 // to a provider that we don't want to change. 8435 // Only do this for the second authority since the resulting provider 8436 // object can be the same for all future authorities for this provider. 8437 p = new PackageParser.Provider(p); 8438 p.syncable = false; 8439 } 8440 if (!mProvidersByAuthority.containsKey(names[j])) { 8441 mProvidersByAuthority.put(names[j], p); 8442 if (p.info.authority == null) { 8443 p.info.authority = names[j]; 8444 } else { 8445 p.info.authority = p.info.authority + ";" + names[j]; 8446 } 8447 if (DEBUG_PACKAGE_SCANNING) { 8448 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8449 Log.d(TAG, "Registered content provider: " + names[j] 8450 + ", className = " + p.info.name + ", isSyncable = " 8451 + p.info.isSyncable); 8452 } 8453 } else { 8454 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8455 Slog.w(TAG, "Skipping provider name " + names[j] + 8456 " (in package " + pkg.applicationInfo.packageName + 8457 "): name already used by " 8458 + ((other != null && other.getComponentName() != null) 8459 ? other.getComponentName().getPackageName() : "?")); 8460 } 8461 } 8462 } 8463 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8464 if (r == null) { 8465 r = new StringBuilder(256); 8466 } else { 8467 r.append(' '); 8468 } 8469 r.append(p.info.name); 8470 } 8471 } 8472 if (r != null) { 8473 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8474 } 8475 8476 N = pkg.services.size(); 8477 r = null; 8478 for (i=0; i<N; i++) { 8479 PackageParser.Service s = pkg.services.get(i); 8480 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8481 s.info.processName, pkg.applicationInfo.uid); 8482 mServices.addService(s); 8483 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8484 if (r == null) { 8485 r = new StringBuilder(256); 8486 } else { 8487 r.append(' '); 8488 } 8489 r.append(s.info.name); 8490 } 8491 } 8492 if (r != null) { 8493 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8494 } 8495 8496 N = pkg.receivers.size(); 8497 r = null; 8498 for (i=0; i<N; i++) { 8499 PackageParser.Activity a = pkg.receivers.get(i); 8500 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8501 a.info.processName, pkg.applicationInfo.uid); 8502 mReceivers.addActivity(a, "receiver"); 8503 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8504 if (r == null) { 8505 r = new StringBuilder(256); 8506 } else { 8507 r.append(' '); 8508 } 8509 r.append(a.info.name); 8510 } 8511 } 8512 if (r != null) { 8513 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8514 } 8515 8516 N = pkg.activities.size(); 8517 r = null; 8518 for (i=0; i<N; i++) { 8519 PackageParser.Activity a = pkg.activities.get(i); 8520 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8521 a.info.processName, pkg.applicationInfo.uid); 8522 mActivities.addActivity(a, "activity"); 8523 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8524 if (r == null) { 8525 r = new StringBuilder(256); 8526 } else { 8527 r.append(' '); 8528 } 8529 r.append(a.info.name); 8530 } 8531 } 8532 if (r != null) { 8533 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8534 } 8535 8536 N = pkg.permissionGroups.size(); 8537 r = null; 8538 for (i=0; i<N; i++) { 8539 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8540 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8541 if (cur == null) { 8542 mPermissionGroups.put(pg.info.name, pg); 8543 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8544 if (r == null) { 8545 r = new StringBuilder(256); 8546 } else { 8547 r.append(' '); 8548 } 8549 r.append(pg.info.name); 8550 } 8551 } else { 8552 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8553 + pg.info.packageName + " ignored: original from " 8554 + cur.info.packageName); 8555 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8556 if (r == null) { 8557 r = new StringBuilder(256); 8558 } else { 8559 r.append(' '); 8560 } 8561 r.append("DUP:"); 8562 r.append(pg.info.name); 8563 } 8564 } 8565 } 8566 if (r != null) { 8567 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8568 } 8569 8570 N = pkg.permissions.size(); 8571 r = null; 8572 for (i=0; i<N; i++) { 8573 PackageParser.Permission p = pkg.permissions.get(i); 8574 8575 // Assume by default that we did not install this permission into the system. 8576 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8577 8578 // Now that permission groups have a special meaning, we ignore permission 8579 // groups for legacy apps to prevent unexpected behavior. In particular, 8580 // permissions for one app being granted to someone just becase they happen 8581 // to be in a group defined by another app (before this had no implications). 8582 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8583 p.group = mPermissionGroups.get(p.info.group); 8584 // Warn for a permission in an unknown group. 8585 if (p.info.group != null && p.group == null) { 8586 Slog.w(TAG, "Permission " + p.info.name + " from package " 8587 + p.info.packageName + " in an unknown group " + p.info.group); 8588 } 8589 } 8590 8591 ArrayMap<String, BasePermission> permissionMap = 8592 p.tree ? mSettings.mPermissionTrees 8593 : mSettings.mPermissions; 8594 BasePermission bp = permissionMap.get(p.info.name); 8595 8596 // Allow system apps to redefine non-system permissions 8597 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8598 final boolean currentOwnerIsSystem = (bp.perm != null 8599 && isSystemApp(bp.perm.owner)); 8600 if (isSystemApp(p.owner)) { 8601 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8602 // It's a built-in permission and no owner, take ownership now 8603 bp.packageSetting = pkgSetting; 8604 bp.perm = p; 8605 bp.uid = pkg.applicationInfo.uid; 8606 bp.sourcePackage = p.info.packageName; 8607 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8608 } else if (!currentOwnerIsSystem) { 8609 String msg = "New decl " + p.owner + " of permission " 8610 + p.info.name + " is system; overriding " + bp.sourcePackage; 8611 reportSettingsProblem(Log.WARN, msg); 8612 bp = null; 8613 } 8614 } 8615 } 8616 8617 if (bp == null) { 8618 bp = new BasePermission(p.info.name, p.info.packageName, 8619 BasePermission.TYPE_NORMAL); 8620 permissionMap.put(p.info.name, bp); 8621 } 8622 8623 if (bp.perm == null) { 8624 if (bp.sourcePackage == null 8625 || bp.sourcePackage.equals(p.info.packageName)) { 8626 BasePermission tree = findPermissionTreeLP(p.info.name); 8627 if (tree == null 8628 || tree.sourcePackage.equals(p.info.packageName)) { 8629 bp.packageSetting = pkgSetting; 8630 bp.perm = p; 8631 bp.uid = pkg.applicationInfo.uid; 8632 bp.sourcePackage = p.info.packageName; 8633 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8634 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8635 if (r == null) { 8636 r = new StringBuilder(256); 8637 } else { 8638 r.append(' '); 8639 } 8640 r.append(p.info.name); 8641 } 8642 } else { 8643 Slog.w(TAG, "Permission " + p.info.name + " from package " 8644 + p.info.packageName + " ignored: base tree " 8645 + tree.name + " is from package " 8646 + tree.sourcePackage); 8647 } 8648 } else { 8649 Slog.w(TAG, "Permission " + p.info.name + " from package " 8650 + p.info.packageName + " ignored: original from " 8651 + bp.sourcePackage); 8652 } 8653 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8654 if (r == null) { 8655 r = new StringBuilder(256); 8656 } else { 8657 r.append(' '); 8658 } 8659 r.append("DUP:"); 8660 r.append(p.info.name); 8661 } 8662 if (bp.perm == p) { 8663 bp.protectionLevel = p.info.protectionLevel; 8664 } 8665 } 8666 8667 if (r != null) { 8668 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8669 } 8670 8671 N = pkg.instrumentation.size(); 8672 r = null; 8673 for (i=0; i<N; i++) { 8674 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8675 a.info.packageName = pkg.applicationInfo.packageName; 8676 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8677 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8678 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8679 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8680 a.info.dataDir = pkg.applicationInfo.dataDir; 8681 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8682 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8683 8684 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8685 // need other information about the application, like the ABI and what not ? 8686 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8687 mInstrumentation.put(a.getComponentName(), a); 8688 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8689 if (r == null) { 8690 r = new StringBuilder(256); 8691 } else { 8692 r.append(' '); 8693 } 8694 r.append(a.info.name); 8695 } 8696 } 8697 if (r != null) { 8698 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8699 } 8700 8701 if (pkg.protectedBroadcasts != null) { 8702 N = pkg.protectedBroadcasts.size(); 8703 for (i=0; i<N; i++) { 8704 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8705 } 8706 } 8707 8708 pkgSetting.setTimeStamp(scanFileTime); 8709 8710 // Create idmap files for pairs of (packages, overlay packages). 8711 // Note: "android", ie framework-res.apk, is handled by native layers. 8712 if (pkg.mOverlayTarget != null) { 8713 // This is an overlay package. 8714 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8715 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8716 mOverlays.put(pkg.mOverlayTarget, 8717 new ArrayMap<String, PackageParser.Package>()); 8718 } 8719 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8720 map.put(pkg.packageName, pkg); 8721 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8722 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8723 createIdmapFailed = true; 8724 } 8725 } 8726 } else if (mOverlays.containsKey(pkg.packageName) && 8727 !pkg.packageName.equals("android")) { 8728 // This is a regular package, with one or more known overlay packages. 8729 createIdmapsForPackageLI(pkg); 8730 } 8731 } 8732 8733 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8734 8735 if (createIdmapFailed) { 8736 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8737 "scanPackageLI failed to createIdmap"); 8738 } 8739 return pkg; 8740 } 8741 8742 /** 8743 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8744 * is derived purely on the basis of the contents of {@code scanFile} and 8745 * {@code cpuAbiOverride}. 8746 * 8747 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8748 */ 8749 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8750 String cpuAbiOverride, boolean extractLibs) 8751 throws PackageManagerException { 8752 // TODO: We can probably be smarter about this stuff. For installed apps, 8753 // we can calculate this information at install time once and for all. For 8754 // system apps, we can probably assume that this information doesn't change 8755 // after the first boot scan. As things stand, we do lots of unnecessary work. 8756 8757 // Give ourselves some initial paths; we'll come back for another 8758 // pass once we've determined ABI below. 8759 setNativeLibraryPaths(pkg); 8760 8761 // We would never need to extract libs for forward-locked and external packages, 8762 // since the container service will do it for us. We shouldn't attempt to 8763 // extract libs from system app when it was not updated. 8764 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8765 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8766 extractLibs = false; 8767 } 8768 8769 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8770 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8771 8772 NativeLibraryHelper.Handle handle = null; 8773 try { 8774 handle = NativeLibraryHelper.Handle.create(pkg); 8775 // TODO(multiArch): This can be null for apps that didn't go through the 8776 // usual installation process. We can calculate it again, like we 8777 // do during install time. 8778 // 8779 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8780 // unnecessary. 8781 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8782 8783 // Null out the abis so that they can be recalculated. 8784 pkg.applicationInfo.primaryCpuAbi = null; 8785 pkg.applicationInfo.secondaryCpuAbi = null; 8786 if (isMultiArch(pkg.applicationInfo)) { 8787 // Warn if we've set an abiOverride for multi-lib packages.. 8788 // By definition, we need to copy both 32 and 64 bit libraries for 8789 // such packages. 8790 if (pkg.cpuAbiOverride != null 8791 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8792 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8793 } 8794 8795 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8796 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8797 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8798 if (extractLibs) { 8799 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8800 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8801 useIsaSpecificSubdirs); 8802 } else { 8803 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8804 } 8805 } 8806 8807 maybeThrowExceptionForMultiArchCopy( 8808 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8809 8810 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8811 if (extractLibs) { 8812 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8813 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8814 useIsaSpecificSubdirs); 8815 } else { 8816 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8817 } 8818 } 8819 8820 maybeThrowExceptionForMultiArchCopy( 8821 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8822 8823 if (abi64 >= 0) { 8824 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8825 } 8826 8827 if (abi32 >= 0) { 8828 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8829 if (abi64 >= 0) { 8830 if (pkg.use32bitAbi) { 8831 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8832 pkg.applicationInfo.primaryCpuAbi = abi; 8833 } else { 8834 pkg.applicationInfo.secondaryCpuAbi = abi; 8835 } 8836 } else { 8837 pkg.applicationInfo.primaryCpuAbi = abi; 8838 } 8839 } 8840 8841 } else { 8842 String[] abiList = (cpuAbiOverride != null) ? 8843 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8844 8845 // Enable gross and lame hacks for apps that are built with old 8846 // SDK tools. We must scan their APKs for renderscript bitcode and 8847 // not launch them if it's present. Don't bother checking on devices 8848 // that don't have 64 bit support. 8849 boolean needsRenderScriptOverride = false; 8850 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8851 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8852 abiList = Build.SUPPORTED_32_BIT_ABIS; 8853 needsRenderScriptOverride = true; 8854 } 8855 8856 final int copyRet; 8857 if (extractLibs) { 8858 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8859 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8860 } else { 8861 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8862 } 8863 8864 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8865 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8866 "Error unpackaging native libs for app, errorCode=" + copyRet); 8867 } 8868 8869 if (copyRet >= 0) { 8870 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8871 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8872 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8873 } else if (needsRenderScriptOverride) { 8874 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8875 } 8876 } 8877 } catch (IOException ioe) { 8878 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8879 } finally { 8880 IoUtils.closeQuietly(handle); 8881 } 8882 8883 // Now that we've calculated the ABIs and determined if it's an internal app, 8884 // we will go ahead and populate the nativeLibraryPath. 8885 setNativeLibraryPaths(pkg); 8886 } 8887 8888 /** 8889 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8890 * i.e, so that all packages can be run inside a single process if required. 8891 * 8892 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8893 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8894 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8895 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8896 * updating a package that belongs to a shared user. 8897 * 8898 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8899 * adds unnecessary complexity. 8900 */ 8901 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8902 PackageParser.Package scannedPackage, boolean bootComplete) { 8903 String requiredInstructionSet = null; 8904 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8905 requiredInstructionSet = VMRuntime.getInstructionSet( 8906 scannedPackage.applicationInfo.primaryCpuAbi); 8907 } 8908 8909 PackageSetting requirer = null; 8910 for (PackageSetting ps : packagesForUser) { 8911 // If packagesForUser contains scannedPackage, we skip it. This will happen 8912 // when scannedPackage is an update of an existing package. Without this check, 8913 // we will never be able to change the ABI of any package belonging to a shared 8914 // user, even if it's compatible with other packages. 8915 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8916 if (ps.primaryCpuAbiString == null) { 8917 continue; 8918 } 8919 8920 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8921 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8922 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8923 // this but there's not much we can do. 8924 String errorMessage = "Instruction set mismatch, " 8925 + ((requirer == null) ? "[caller]" : requirer) 8926 + " requires " + requiredInstructionSet + " whereas " + ps 8927 + " requires " + instructionSet; 8928 Slog.w(TAG, errorMessage); 8929 } 8930 8931 if (requiredInstructionSet == null) { 8932 requiredInstructionSet = instructionSet; 8933 requirer = ps; 8934 } 8935 } 8936 } 8937 8938 if (requiredInstructionSet != null) { 8939 String adjustedAbi; 8940 if (requirer != null) { 8941 // requirer != null implies that either scannedPackage was null or that scannedPackage 8942 // did not require an ABI, in which case we have to adjust scannedPackage to match 8943 // the ABI of the set (which is the same as requirer's ABI) 8944 adjustedAbi = requirer.primaryCpuAbiString; 8945 if (scannedPackage != null) { 8946 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8947 } 8948 } else { 8949 // requirer == null implies that we're updating all ABIs in the set to 8950 // match scannedPackage. 8951 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8952 } 8953 8954 for (PackageSetting ps : packagesForUser) { 8955 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8956 if (ps.primaryCpuAbiString != null) { 8957 continue; 8958 } 8959 8960 ps.primaryCpuAbiString = adjustedAbi; 8961 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8962 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8963 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8964 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8965 + " (requirer=" 8966 + (requirer == null ? "null" : requirer.pkg.packageName) 8967 + ", scannedPackage=" 8968 + (scannedPackage != null ? scannedPackage.packageName : "null") 8969 + ")"); 8970 try { 8971 mInstaller.rmdex(ps.codePathString, 8972 getDexCodeInstructionSet(getPreferredInstructionSet())); 8973 } catch (InstallerException ignored) { 8974 } 8975 } 8976 } 8977 } 8978 } 8979 } 8980 8981 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8982 synchronized (mPackages) { 8983 mResolverReplaced = true; 8984 // Set up information for custom user intent resolution activity. 8985 mResolveActivity.applicationInfo = pkg.applicationInfo; 8986 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8987 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8988 mResolveActivity.processName = pkg.applicationInfo.packageName; 8989 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8990 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8991 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8992 mResolveActivity.theme = 0; 8993 mResolveActivity.exported = true; 8994 mResolveActivity.enabled = true; 8995 mResolveInfo.activityInfo = mResolveActivity; 8996 mResolveInfo.priority = 0; 8997 mResolveInfo.preferredOrder = 0; 8998 mResolveInfo.match = 0; 8999 mResolveComponentName = mCustomResolverComponentName; 9000 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9001 mResolveComponentName); 9002 } 9003 } 9004 9005 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9006 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9007 9008 // Set up information for ephemeral installer activity 9009 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9010 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9011 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9012 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9013 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9014 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9015 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9016 mEphemeralInstallerActivity.theme = 0; 9017 mEphemeralInstallerActivity.exported = true; 9018 mEphemeralInstallerActivity.enabled = true; 9019 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9020 mEphemeralInstallerInfo.priority = 0; 9021 mEphemeralInstallerInfo.preferredOrder = 0; 9022 mEphemeralInstallerInfo.match = 0; 9023 9024 if (DEBUG_EPHEMERAL) { 9025 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9026 } 9027 } 9028 9029 private static String calculateBundledApkRoot(final String codePathString) { 9030 final File codePath = new File(codePathString); 9031 final File codeRoot; 9032 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9033 codeRoot = Environment.getRootDirectory(); 9034 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9035 codeRoot = Environment.getOemDirectory(); 9036 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9037 codeRoot = Environment.getVendorDirectory(); 9038 } else { 9039 // Unrecognized code path; take its top real segment as the apk root: 9040 // e.g. /something/app/blah.apk => /something 9041 try { 9042 File f = codePath.getCanonicalFile(); 9043 File parent = f.getParentFile(); // non-null because codePath is a file 9044 File tmp; 9045 while ((tmp = parent.getParentFile()) != null) { 9046 f = parent; 9047 parent = tmp; 9048 } 9049 codeRoot = f; 9050 Slog.w(TAG, "Unrecognized code path " 9051 + codePath + " - using " + codeRoot); 9052 } catch (IOException e) { 9053 // Can't canonicalize the code path -- shenanigans? 9054 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9055 return Environment.getRootDirectory().getPath(); 9056 } 9057 } 9058 return codeRoot.getPath(); 9059 } 9060 9061 /** 9062 * Derive and set the location of native libraries for the given package, 9063 * which varies depending on where and how the package was installed. 9064 */ 9065 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9066 final ApplicationInfo info = pkg.applicationInfo; 9067 final String codePath = pkg.codePath; 9068 final File codeFile = new File(codePath); 9069 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9070 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9071 9072 info.nativeLibraryRootDir = null; 9073 info.nativeLibraryRootRequiresIsa = false; 9074 info.nativeLibraryDir = null; 9075 info.secondaryNativeLibraryDir = null; 9076 9077 if (isApkFile(codeFile)) { 9078 // Monolithic install 9079 if (bundledApp) { 9080 // If "/system/lib64/apkname" exists, assume that is the per-package 9081 // native library directory to use; otherwise use "/system/lib/apkname". 9082 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9083 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9084 getPrimaryInstructionSet(info)); 9085 9086 // This is a bundled system app so choose the path based on the ABI. 9087 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9088 // is just the default path. 9089 final String apkName = deriveCodePathName(codePath); 9090 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9091 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9092 apkName).getAbsolutePath(); 9093 9094 if (info.secondaryCpuAbi != null) { 9095 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9096 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9097 secondaryLibDir, apkName).getAbsolutePath(); 9098 } 9099 } else if (asecApp) { 9100 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9101 .getAbsolutePath(); 9102 } else { 9103 final String apkName = deriveCodePathName(codePath); 9104 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9105 .getAbsolutePath(); 9106 } 9107 9108 info.nativeLibraryRootRequiresIsa = false; 9109 info.nativeLibraryDir = info.nativeLibraryRootDir; 9110 } else { 9111 // Cluster install 9112 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9113 info.nativeLibraryRootRequiresIsa = true; 9114 9115 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9116 getPrimaryInstructionSet(info)).getAbsolutePath(); 9117 9118 if (info.secondaryCpuAbi != null) { 9119 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9120 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9121 } 9122 } 9123 } 9124 9125 /** 9126 * Calculate the abis and roots for a bundled app. These can uniquely 9127 * be determined from the contents of the system partition, i.e whether 9128 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9129 * of this information, and instead assume that the system was built 9130 * sensibly. 9131 */ 9132 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9133 PackageSetting pkgSetting) { 9134 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9135 9136 // If "/system/lib64/apkname" exists, assume that is the per-package 9137 // native library directory to use; otherwise use "/system/lib/apkname". 9138 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9139 setBundledAppAbi(pkg, apkRoot, apkName); 9140 // pkgSetting might be null during rescan following uninstall of updates 9141 // to a bundled app, so accommodate that possibility. The settings in 9142 // that case will be established later from the parsed package. 9143 // 9144 // If the settings aren't null, sync them up with what we've just derived. 9145 // note that apkRoot isn't stored in the package settings. 9146 if (pkgSetting != null) { 9147 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9148 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9149 } 9150 } 9151 9152 /** 9153 * Deduces the ABI of a bundled app and sets the relevant fields on the 9154 * parsed pkg object. 9155 * 9156 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9157 * under which system libraries are installed. 9158 * @param apkName the name of the installed package. 9159 */ 9160 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9161 final File codeFile = new File(pkg.codePath); 9162 9163 final boolean has64BitLibs; 9164 final boolean has32BitLibs; 9165 if (isApkFile(codeFile)) { 9166 // Monolithic install 9167 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9168 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9169 } else { 9170 // Cluster install 9171 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9172 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9173 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9174 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9175 has64BitLibs = (new File(rootDir, isa)).exists(); 9176 } else { 9177 has64BitLibs = false; 9178 } 9179 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9180 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9181 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9182 has32BitLibs = (new File(rootDir, isa)).exists(); 9183 } else { 9184 has32BitLibs = false; 9185 } 9186 } 9187 9188 if (has64BitLibs && !has32BitLibs) { 9189 // The package has 64 bit libs, but not 32 bit libs. Its primary 9190 // ABI should be 64 bit. We can safely assume here that the bundled 9191 // native libraries correspond to the most preferred ABI in the list. 9192 9193 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9194 pkg.applicationInfo.secondaryCpuAbi = null; 9195 } else if (has32BitLibs && !has64BitLibs) { 9196 // The package has 32 bit libs but not 64 bit libs. Its primary 9197 // ABI should be 32 bit. 9198 9199 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9200 pkg.applicationInfo.secondaryCpuAbi = null; 9201 } else if (has32BitLibs && has64BitLibs) { 9202 // The application has both 64 and 32 bit bundled libraries. We check 9203 // here that the app declares multiArch support, and warn if it doesn't. 9204 // 9205 // We will be lenient here and record both ABIs. The primary will be the 9206 // ABI that's higher on the list, i.e, a device that's configured to prefer 9207 // 64 bit apps will see a 64 bit primary ABI, 9208 9209 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9210 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9211 } 9212 9213 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9214 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9215 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9216 } else { 9217 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9218 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9219 } 9220 } else { 9221 pkg.applicationInfo.primaryCpuAbi = null; 9222 pkg.applicationInfo.secondaryCpuAbi = null; 9223 } 9224 } 9225 9226 private void killApplication(String pkgName, int appId, String reason) { 9227 // Request the ActivityManager to kill the process(only for existing packages) 9228 // so that we do not end up in a confused state while the user is still using the older 9229 // version of the application while the new one gets installed. 9230 final long token = Binder.clearCallingIdentity(); 9231 try { 9232 IActivityManager am = ActivityManagerNative.getDefault(); 9233 if (am != null) { 9234 try { 9235 am.killApplicationWithAppId(pkgName, appId, reason); 9236 } catch (RemoteException e) { 9237 } 9238 } 9239 } finally { 9240 Binder.restoreCallingIdentity(token); 9241 } 9242 } 9243 9244 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9245 // Remove the parent package setting 9246 PackageSetting ps = (PackageSetting) pkg.mExtras; 9247 if (ps != null) { 9248 removePackageLI(ps, chatty); 9249 } 9250 // Remove the child package setting 9251 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9252 for (int i = 0; i < childCount; i++) { 9253 PackageParser.Package childPkg = pkg.childPackages.get(i); 9254 ps = (PackageSetting) childPkg.mExtras; 9255 if (ps != null) { 9256 removePackageLI(ps, chatty); 9257 } 9258 } 9259 } 9260 9261 void removePackageLI(PackageSetting ps, boolean chatty) { 9262 if (DEBUG_INSTALL) { 9263 if (chatty) 9264 Log.d(TAG, "Removing package " + ps.name); 9265 } 9266 9267 // writer 9268 synchronized (mPackages) { 9269 mPackages.remove(ps.name); 9270 final PackageParser.Package pkg = ps.pkg; 9271 if (pkg != null) { 9272 cleanPackageDataStructuresLILPw(pkg, chatty); 9273 } 9274 } 9275 } 9276 9277 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9278 if (DEBUG_INSTALL) { 9279 if (chatty) 9280 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9281 } 9282 9283 // writer 9284 synchronized (mPackages) { 9285 // Remove the parent package 9286 mPackages.remove(pkg.applicationInfo.packageName); 9287 cleanPackageDataStructuresLILPw(pkg, chatty); 9288 9289 // Remove the child packages 9290 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9291 for (int i = 0; i < childCount; i++) { 9292 PackageParser.Package childPkg = pkg.childPackages.get(i); 9293 mPackages.remove(childPkg.applicationInfo.packageName); 9294 cleanPackageDataStructuresLILPw(childPkg, chatty); 9295 } 9296 } 9297 } 9298 9299 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9300 int N = pkg.providers.size(); 9301 StringBuilder r = null; 9302 int i; 9303 for (i=0; i<N; i++) { 9304 PackageParser.Provider p = pkg.providers.get(i); 9305 mProviders.removeProvider(p); 9306 if (p.info.authority == null) { 9307 9308 /* There was another ContentProvider with this authority when 9309 * this app was installed so this authority is null, 9310 * Ignore it as we don't have to unregister the provider. 9311 */ 9312 continue; 9313 } 9314 String names[] = p.info.authority.split(";"); 9315 for (int j = 0; j < names.length; j++) { 9316 if (mProvidersByAuthority.get(names[j]) == p) { 9317 mProvidersByAuthority.remove(names[j]); 9318 if (DEBUG_REMOVE) { 9319 if (chatty) 9320 Log.d(TAG, "Unregistered content provider: " + names[j] 9321 + ", className = " + p.info.name + ", isSyncable = " 9322 + p.info.isSyncable); 9323 } 9324 } 9325 } 9326 if (DEBUG_REMOVE && chatty) { 9327 if (r == null) { 9328 r = new StringBuilder(256); 9329 } else { 9330 r.append(' '); 9331 } 9332 r.append(p.info.name); 9333 } 9334 } 9335 if (r != null) { 9336 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9337 } 9338 9339 N = pkg.services.size(); 9340 r = null; 9341 for (i=0; i<N; i++) { 9342 PackageParser.Service s = pkg.services.get(i); 9343 mServices.removeService(s); 9344 if (chatty) { 9345 if (r == null) { 9346 r = new StringBuilder(256); 9347 } else { 9348 r.append(' '); 9349 } 9350 r.append(s.info.name); 9351 } 9352 } 9353 if (r != null) { 9354 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9355 } 9356 9357 N = pkg.receivers.size(); 9358 r = null; 9359 for (i=0; i<N; i++) { 9360 PackageParser.Activity a = pkg.receivers.get(i); 9361 mReceivers.removeActivity(a, "receiver"); 9362 if (DEBUG_REMOVE && chatty) { 9363 if (r == null) { 9364 r = new StringBuilder(256); 9365 } else { 9366 r.append(' '); 9367 } 9368 r.append(a.info.name); 9369 } 9370 } 9371 if (r != null) { 9372 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9373 } 9374 9375 N = pkg.activities.size(); 9376 r = null; 9377 for (i=0; i<N; i++) { 9378 PackageParser.Activity a = pkg.activities.get(i); 9379 mActivities.removeActivity(a, "activity"); 9380 if (DEBUG_REMOVE && chatty) { 9381 if (r == null) { 9382 r = new StringBuilder(256); 9383 } else { 9384 r.append(' '); 9385 } 9386 r.append(a.info.name); 9387 } 9388 } 9389 if (r != null) { 9390 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9391 } 9392 9393 N = pkg.permissions.size(); 9394 r = null; 9395 for (i=0; i<N; i++) { 9396 PackageParser.Permission p = pkg.permissions.get(i); 9397 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9398 if (bp == null) { 9399 bp = mSettings.mPermissionTrees.get(p.info.name); 9400 } 9401 if (bp != null && bp.perm == p) { 9402 bp.perm = null; 9403 if (DEBUG_REMOVE && chatty) { 9404 if (r == null) { 9405 r = new StringBuilder(256); 9406 } else { 9407 r.append(' '); 9408 } 9409 r.append(p.info.name); 9410 } 9411 } 9412 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9413 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9414 if (appOpPkgs != null) { 9415 appOpPkgs.remove(pkg.packageName); 9416 } 9417 } 9418 } 9419 if (r != null) { 9420 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9421 } 9422 9423 N = pkg.requestedPermissions.size(); 9424 r = null; 9425 for (i=0; i<N; i++) { 9426 String perm = pkg.requestedPermissions.get(i); 9427 BasePermission bp = mSettings.mPermissions.get(perm); 9428 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9429 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9430 if (appOpPkgs != null) { 9431 appOpPkgs.remove(pkg.packageName); 9432 if (appOpPkgs.isEmpty()) { 9433 mAppOpPermissionPackages.remove(perm); 9434 } 9435 } 9436 } 9437 } 9438 if (r != null) { 9439 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9440 } 9441 9442 N = pkg.instrumentation.size(); 9443 r = null; 9444 for (i=0; i<N; i++) { 9445 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9446 mInstrumentation.remove(a.getComponentName()); 9447 if (DEBUG_REMOVE && chatty) { 9448 if (r == null) { 9449 r = new StringBuilder(256); 9450 } else { 9451 r.append(' '); 9452 } 9453 r.append(a.info.name); 9454 } 9455 } 9456 if (r != null) { 9457 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9458 } 9459 9460 r = null; 9461 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9462 // Only system apps can hold shared libraries. 9463 if (pkg.libraryNames != null) { 9464 for (i=0; i<pkg.libraryNames.size(); i++) { 9465 String name = pkg.libraryNames.get(i); 9466 SharedLibraryEntry cur = mSharedLibraries.get(name); 9467 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9468 mSharedLibraries.remove(name); 9469 if (DEBUG_REMOVE && chatty) { 9470 if (r == null) { 9471 r = new StringBuilder(256); 9472 } else { 9473 r.append(' '); 9474 } 9475 r.append(name); 9476 } 9477 } 9478 } 9479 } 9480 } 9481 if (r != null) { 9482 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9483 } 9484 } 9485 9486 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9487 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9488 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9489 return true; 9490 } 9491 } 9492 return false; 9493 } 9494 9495 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9496 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9497 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9498 9499 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9500 // Update the parent permissions 9501 updatePermissionsLPw(pkg.packageName, pkg, flags); 9502 // Update the child permissions 9503 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9504 for (int i = 0; i < childCount; i++) { 9505 PackageParser.Package childPkg = pkg.childPackages.get(i); 9506 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9507 } 9508 } 9509 9510 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9511 int flags) { 9512 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9513 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9514 } 9515 9516 private void updatePermissionsLPw(String changingPkg, 9517 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9518 // Make sure there are no dangling permission trees. 9519 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9520 while (it.hasNext()) { 9521 final BasePermission bp = it.next(); 9522 if (bp.packageSetting == null) { 9523 // We may not yet have parsed the package, so just see if 9524 // we still know about its settings. 9525 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9526 } 9527 if (bp.packageSetting == null) { 9528 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9529 + " from package " + bp.sourcePackage); 9530 it.remove(); 9531 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9532 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9533 Slog.i(TAG, "Removing old permission tree: " + bp.name 9534 + " from package " + bp.sourcePackage); 9535 flags |= UPDATE_PERMISSIONS_ALL; 9536 it.remove(); 9537 } 9538 } 9539 } 9540 9541 // Make sure all dynamic permissions have been assigned to a package, 9542 // and make sure there are no dangling permissions. 9543 it = mSettings.mPermissions.values().iterator(); 9544 while (it.hasNext()) { 9545 final BasePermission bp = it.next(); 9546 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9547 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9548 + bp.name + " pkg=" + bp.sourcePackage 9549 + " info=" + bp.pendingInfo); 9550 if (bp.packageSetting == null && bp.pendingInfo != null) { 9551 final BasePermission tree = findPermissionTreeLP(bp.name); 9552 if (tree != null && tree.perm != null) { 9553 bp.packageSetting = tree.packageSetting; 9554 bp.perm = new PackageParser.Permission(tree.perm.owner, 9555 new PermissionInfo(bp.pendingInfo)); 9556 bp.perm.info.packageName = tree.perm.info.packageName; 9557 bp.perm.info.name = bp.name; 9558 bp.uid = tree.uid; 9559 } 9560 } 9561 } 9562 if (bp.packageSetting == null) { 9563 // We may not yet have parsed the package, so just see if 9564 // we still know about its settings. 9565 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9566 } 9567 if (bp.packageSetting == null) { 9568 Slog.w(TAG, "Removing dangling permission: " + bp.name 9569 + " from package " + bp.sourcePackage); 9570 it.remove(); 9571 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9572 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9573 Slog.i(TAG, "Removing old permission: " + bp.name 9574 + " from package " + bp.sourcePackage); 9575 flags |= UPDATE_PERMISSIONS_ALL; 9576 it.remove(); 9577 } 9578 } 9579 } 9580 9581 // Now update the permissions for all packages, in particular 9582 // replace the granted permissions of the system packages. 9583 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9584 for (PackageParser.Package pkg : mPackages.values()) { 9585 if (pkg != pkgInfo) { 9586 // Only replace for packages on requested volume 9587 final String volumeUuid = getVolumeUuidForPackage(pkg); 9588 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9589 && Objects.equals(replaceVolumeUuid, volumeUuid); 9590 grantPermissionsLPw(pkg, replace, changingPkg); 9591 } 9592 } 9593 } 9594 9595 if (pkgInfo != null) { 9596 // Only replace for packages on requested volume 9597 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9598 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9599 && Objects.equals(replaceVolumeUuid, volumeUuid); 9600 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9601 } 9602 } 9603 9604 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9605 String packageOfInterest) { 9606 // IMPORTANT: There are two types of permissions: install and runtime. 9607 // Install time permissions are granted when the app is installed to 9608 // all device users and users added in the future. Runtime permissions 9609 // are granted at runtime explicitly to specific users. Normal and signature 9610 // protected permissions are install time permissions. Dangerous permissions 9611 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9612 // otherwise they are runtime permissions. This function does not manage 9613 // runtime permissions except for the case an app targeting Lollipop MR1 9614 // being upgraded to target a newer SDK, in which case dangerous permissions 9615 // are transformed from install time to runtime ones. 9616 9617 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9618 if (ps == null) { 9619 return; 9620 } 9621 9622 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9623 9624 PermissionsState permissionsState = ps.getPermissionsState(); 9625 PermissionsState origPermissions = permissionsState; 9626 9627 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9628 9629 boolean runtimePermissionsRevoked = false; 9630 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9631 9632 boolean changedInstallPermission = false; 9633 9634 if (replace) { 9635 ps.installPermissionsFixed = false; 9636 if (!ps.isSharedUser()) { 9637 origPermissions = new PermissionsState(permissionsState); 9638 permissionsState.reset(); 9639 } else { 9640 // We need to know only about runtime permission changes since the 9641 // calling code always writes the install permissions state but 9642 // the runtime ones are written only if changed. The only cases of 9643 // changed runtime permissions here are promotion of an install to 9644 // runtime and revocation of a runtime from a shared user. 9645 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9646 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9647 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9648 runtimePermissionsRevoked = true; 9649 } 9650 } 9651 } 9652 9653 permissionsState.setGlobalGids(mGlobalGids); 9654 9655 final int N = pkg.requestedPermissions.size(); 9656 for (int i=0; i<N; i++) { 9657 final String name = pkg.requestedPermissions.get(i); 9658 final BasePermission bp = mSettings.mPermissions.get(name); 9659 9660 if (DEBUG_INSTALL) { 9661 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9662 } 9663 9664 if (bp == null || bp.packageSetting == null) { 9665 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9666 Slog.w(TAG, "Unknown permission " + name 9667 + " in package " + pkg.packageName); 9668 } 9669 continue; 9670 } 9671 9672 final String perm = bp.name; 9673 boolean allowedSig = false; 9674 int grant = GRANT_DENIED; 9675 9676 // Keep track of app op permissions. 9677 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9678 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9679 if (pkgs == null) { 9680 pkgs = new ArraySet<>(); 9681 mAppOpPermissionPackages.put(bp.name, pkgs); 9682 } 9683 pkgs.add(pkg.packageName); 9684 } 9685 9686 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9687 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9688 >= Build.VERSION_CODES.M; 9689 switch (level) { 9690 case PermissionInfo.PROTECTION_NORMAL: { 9691 // For all apps normal permissions are install time ones. 9692 grant = GRANT_INSTALL; 9693 } break; 9694 9695 case PermissionInfo.PROTECTION_DANGEROUS: { 9696 // If a permission review is required for legacy apps we represent 9697 // their permissions as always granted runtime ones since we need 9698 // to keep the review required permission flag per user while an 9699 // install permission's state is shared across all users. 9700 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9701 // For legacy apps dangerous permissions are install time ones. 9702 grant = GRANT_INSTALL; 9703 } else if (origPermissions.hasInstallPermission(bp.name)) { 9704 // For legacy apps that became modern, install becomes runtime. 9705 grant = GRANT_UPGRADE; 9706 } else if (mPromoteSystemApps 9707 && isSystemApp(ps) 9708 && mExistingSystemPackages.contains(ps.name)) { 9709 // For legacy system apps, install becomes runtime. 9710 // We cannot check hasInstallPermission() for system apps since those 9711 // permissions were granted implicitly and not persisted pre-M. 9712 grant = GRANT_UPGRADE; 9713 } else { 9714 // For modern apps keep runtime permissions unchanged. 9715 grant = GRANT_RUNTIME; 9716 } 9717 } break; 9718 9719 case PermissionInfo.PROTECTION_SIGNATURE: { 9720 // For all apps signature permissions are install time ones. 9721 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9722 if (allowedSig) { 9723 grant = GRANT_INSTALL; 9724 } 9725 } break; 9726 } 9727 9728 if (DEBUG_INSTALL) { 9729 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9730 } 9731 9732 if (grant != GRANT_DENIED) { 9733 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9734 // If this is an existing, non-system package, then 9735 // we can't add any new permissions to it. 9736 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9737 // Except... if this is a permission that was added 9738 // to the platform (note: need to only do this when 9739 // updating the platform). 9740 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9741 grant = GRANT_DENIED; 9742 } 9743 } 9744 } 9745 9746 switch (grant) { 9747 case GRANT_INSTALL: { 9748 // Revoke this as runtime permission to handle the case of 9749 // a runtime permission being downgraded to an install one. 9750 // Also in permission review mode we keep dangerous permissions 9751 // for legacy apps 9752 for (int userId : UserManagerService.getInstance().getUserIds()) { 9753 if (origPermissions.getRuntimePermissionState( 9754 bp.name, userId) != null) { 9755 // Revoke the runtime permission and clear the flags. 9756 origPermissions.revokeRuntimePermission(bp, userId); 9757 origPermissions.updatePermissionFlags(bp, userId, 9758 PackageManager.MASK_PERMISSION_FLAGS, 0); 9759 // If we revoked a permission permission, we have to write. 9760 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9761 changedRuntimePermissionUserIds, userId); 9762 } 9763 } 9764 // Grant an install permission. 9765 if (permissionsState.grantInstallPermission(bp) != 9766 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9767 changedInstallPermission = true; 9768 } 9769 } break; 9770 9771 case GRANT_RUNTIME: { 9772 // Grant previously granted runtime permissions. 9773 for (int userId : UserManagerService.getInstance().getUserIds()) { 9774 PermissionState permissionState = origPermissions 9775 .getRuntimePermissionState(bp.name, userId); 9776 int flags = permissionState != null 9777 ? permissionState.getFlags() : 0; 9778 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9779 if (permissionsState.grantRuntimePermission(bp, userId) == 9780 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9781 // If we cannot put the permission as it was, we have to write. 9782 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9783 changedRuntimePermissionUserIds, userId); 9784 } 9785 // If the app supports runtime permissions no need for a review. 9786 if (Build.PERMISSIONS_REVIEW_REQUIRED 9787 && appSupportsRuntimePermissions 9788 && (flags & PackageManager 9789 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9790 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9791 // Since we changed the flags, we have to write. 9792 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9793 changedRuntimePermissionUserIds, userId); 9794 } 9795 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9796 && !appSupportsRuntimePermissions) { 9797 // For legacy apps that need a permission review, every new 9798 // runtime permission is granted but it is pending a review. 9799 // We also need to review only platform defined runtime 9800 // permissions as these are the only ones the platform knows 9801 // how to disable the API to simulate revocation as legacy 9802 // apps don't expect to run with revoked permissions. 9803 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 9804 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9805 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9806 // We changed the flags, hence have to write. 9807 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9808 changedRuntimePermissionUserIds, userId); 9809 } 9810 } 9811 if (permissionsState.grantRuntimePermission(bp, userId) 9812 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9813 // We changed the permission, hence have to write. 9814 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9815 changedRuntimePermissionUserIds, userId); 9816 } 9817 } 9818 // Propagate the permission flags. 9819 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9820 } 9821 } break; 9822 9823 case GRANT_UPGRADE: { 9824 // Grant runtime permissions for a previously held install permission. 9825 PermissionState permissionState = origPermissions 9826 .getInstallPermissionState(bp.name); 9827 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9828 9829 if (origPermissions.revokeInstallPermission(bp) 9830 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9831 // We will be transferring the permission flags, so clear them. 9832 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9833 PackageManager.MASK_PERMISSION_FLAGS, 0); 9834 changedInstallPermission = true; 9835 } 9836 9837 // If the permission is not to be promoted to runtime we ignore it and 9838 // also its other flags as they are not applicable to install permissions. 9839 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9840 for (int userId : currentUserIds) { 9841 if (permissionsState.grantRuntimePermission(bp, userId) != 9842 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9843 // Transfer the permission flags. 9844 permissionsState.updatePermissionFlags(bp, userId, 9845 flags, flags); 9846 // If we granted the permission, we have to write. 9847 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9848 changedRuntimePermissionUserIds, userId); 9849 } 9850 } 9851 } 9852 } break; 9853 9854 default: { 9855 if (packageOfInterest == null 9856 || packageOfInterest.equals(pkg.packageName)) { 9857 Slog.w(TAG, "Not granting permission " + perm 9858 + " to package " + pkg.packageName 9859 + " because it was previously installed without"); 9860 } 9861 } break; 9862 } 9863 } else { 9864 if (permissionsState.revokeInstallPermission(bp) != 9865 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9866 // Also drop the permission flags. 9867 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9868 PackageManager.MASK_PERMISSION_FLAGS, 0); 9869 changedInstallPermission = true; 9870 Slog.i(TAG, "Un-granting permission " + perm 9871 + " from package " + pkg.packageName 9872 + " (protectionLevel=" + bp.protectionLevel 9873 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9874 + ")"); 9875 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9876 // Don't print warning for app op permissions, since it is fine for them 9877 // not to be granted, there is a UI for the user to decide. 9878 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9879 Slog.w(TAG, "Not granting permission " + perm 9880 + " to package " + pkg.packageName 9881 + " (protectionLevel=" + bp.protectionLevel 9882 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9883 + ")"); 9884 } 9885 } 9886 } 9887 } 9888 9889 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9890 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9891 // This is the first that we have heard about this package, so the 9892 // permissions we have now selected are fixed until explicitly 9893 // changed. 9894 ps.installPermissionsFixed = true; 9895 } 9896 9897 // Persist the runtime permissions state for users with changes. If permissions 9898 // were revoked because no app in the shared user declares them we have to 9899 // write synchronously to avoid losing runtime permissions state. 9900 for (int userId : changedRuntimePermissionUserIds) { 9901 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9902 } 9903 9904 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9905 } 9906 9907 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9908 boolean allowed = false; 9909 final int NP = PackageParser.NEW_PERMISSIONS.length; 9910 for (int ip=0; ip<NP; ip++) { 9911 final PackageParser.NewPermissionInfo npi 9912 = PackageParser.NEW_PERMISSIONS[ip]; 9913 if (npi.name.equals(perm) 9914 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9915 allowed = true; 9916 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9917 + pkg.packageName); 9918 break; 9919 } 9920 } 9921 return allowed; 9922 } 9923 9924 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9925 BasePermission bp, PermissionsState origPermissions) { 9926 boolean allowed; 9927 allowed = (compareSignatures( 9928 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9929 == PackageManager.SIGNATURE_MATCH) 9930 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9931 == PackageManager.SIGNATURE_MATCH); 9932 if (!allowed && (bp.protectionLevel 9933 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9934 if (isSystemApp(pkg)) { 9935 // For updated system applications, a system permission 9936 // is granted only if it had been defined by the original application. 9937 if (pkg.isUpdatedSystemApp()) { 9938 final PackageSetting sysPs = mSettings 9939 .getDisabledSystemPkgLPr(pkg.packageName); 9940 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9941 // If the original was granted this permission, we take 9942 // that grant decision as read and propagate it to the 9943 // update. 9944 if (sysPs.isPrivileged()) { 9945 allowed = true; 9946 } 9947 } else { 9948 // The system apk may have been updated with an older 9949 // version of the one on the data partition, but which 9950 // granted a new system permission that it didn't have 9951 // before. In this case we do want to allow the app to 9952 // now get the new permission if the ancestral apk is 9953 // privileged to get it. 9954 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9955 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9956 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9957 allowed = true; 9958 break; 9959 } 9960 } 9961 } 9962 // Also if a privileged parent package on the system image or any of 9963 // its children requested a privileged permission, the updated child 9964 // packages can also get the permission. 9965 if (pkg.parentPackage != null) { 9966 final PackageSetting disabledSysParentPs = mSettings 9967 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9968 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9969 && disabledSysParentPs.isPrivileged()) { 9970 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9971 allowed = true; 9972 } else if (disabledSysParentPs.pkg.childPackages != null) { 9973 final int count = disabledSysParentPs.pkg.childPackages.size(); 9974 for (int i = 0; i < count; i++) { 9975 PackageParser.Package disabledSysChildPkg = 9976 disabledSysParentPs.pkg.childPackages.get(i); 9977 if (isPackageRequestingPermission(disabledSysChildPkg, 9978 perm)) { 9979 allowed = true; 9980 break; 9981 } 9982 } 9983 } 9984 } 9985 } 9986 } 9987 } else { 9988 allowed = isPrivilegedApp(pkg); 9989 } 9990 } 9991 } 9992 if (!allowed) { 9993 if (!allowed && (bp.protectionLevel 9994 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9995 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9996 // If this was a previously normal/dangerous permission that got moved 9997 // to a system permission as part of the runtime permission redesign, then 9998 // we still want to blindly grant it to old apps. 9999 allowed = true; 10000 } 10001 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10002 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10003 // If this permission is to be granted to the system installer and 10004 // this app is an installer, then it gets the permission. 10005 allowed = true; 10006 } 10007 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10008 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10009 // If this permission is to be granted to the system verifier and 10010 // this app is a verifier, then it gets the permission. 10011 allowed = true; 10012 } 10013 if (!allowed && (bp.protectionLevel 10014 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10015 && isSystemApp(pkg)) { 10016 // Any pre-installed system app is allowed to get this permission. 10017 allowed = true; 10018 } 10019 if (!allowed && (bp.protectionLevel 10020 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10021 // For development permissions, a development permission 10022 // is granted only if it was already granted. 10023 allowed = origPermissions.hasInstallPermission(perm); 10024 } 10025 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10026 && pkg.packageName.equals(mSetupWizardPackage)) { 10027 // If this permission is to be granted to the system setup wizard and 10028 // this app is a setup wizard, then it gets the permission. 10029 allowed = true; 10030 } 10031 } 10032 return allowed; 10033 } 10034 10035 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10036 final int permCount = pkg.requestedPermissions.size(); 10037 for (int j = 0; j < permCount; j++) { 10038 String requestedPermission = pkg.requestedPermissions.get(j); 10039 if (permission.equals(requestedPermission)) { 10040 return true; 10041 } 10042 } 10043 return false; 10044 } 10045 10046 final class ActivityIntentResolver 10047 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10048 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10049 boolean defaultOnly, int userId) { 10050 if (!sUserManager.exists(userId)) return null; 10051 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10052 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10053 } 10054 10055 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10056 int userId) { 10057 if (!sUserManager.exists(userId)) return null; 10058 mFlags = flags; 10059 return super.queryIntent(intent, resolvedType, 10060 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10061 } 10062 10063 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10064 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10065 if (!sUserManager.exists(userId)) return null; 10066 if (packageActivities == null) { 10067 return null; 10068 } 10069 mFlags = flags; 10070 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10071 final int N = packageActivities.size(); 10072 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10073 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10074 10075 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10076 for (int i = 0; i < N; ++i) { 10077 intentFilters = packageActivities.get(i).intents; 10078 if (intentFilters != null && intentFilters.size() > 0) { 10079 PackageParser.ActivityIntentInfo[] array = 10080 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10081 intentFilters.toArray(array); 10082 listCut.add(array); 10083 } 10084 } 10085 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10086 } 10087 10088 /** 10089 * Finds a privileged activity that matches the specified activity names. 10090 */ 10091 private PackageParser.Activity findMatchingActivity( 10092 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10093 for (PackageParser.Activity sysActivity : activityList) { 10094 if (sysActivity.info.name.equals(activityInfo.name)) { 10095 return sysActivity; 10096 } 10097 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10098 return sysActivity; 10099 } 10100 if (sysActivity.info.targetActivity != null) { 10101 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10102 return sysActivity; 10103 } 10104 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10105 return sysActivity; 10106 } 10107 } 10108 } 10109 return null; 10110 } 10111 10112 public class IterGenerator<E> { 10113 public Iterator<E> generate(ActivityIntentInfo info) { 10114 return null; 10115 } 10116 } 10117 10118 public class ActionIterGenerator extends IterGenerator<String> { 10119 @Override 10120 public Iterator<String> generate(ActivityIntentInfo info) { 10121 return info.actionsIterator(); 10122 } 10123 } 10124 10125 public class CategoriesIterGenerator extends IterGenerator<String> { 10126 @Override 10127 public Iterator<String> generate(ActivityIntentInfo info) { 10128 return info.categoriesIterator(); 10129 } 10130 } 10131 10132 public class SchemesIterGenerator extends IterGenerator<String> { 10133 @Override 10134 public Iterator<String> generate(ActivityIntentInfo info) { 10135 return info.schemesIterator(); 10136 } 10137 } 10138 10139 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10140 @Override 10141 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10142 return info.authoritiesIterator(); 10143 } 10144 } 10145 10146 /** 10147 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10148 * MODIFIED. Do not pass in a list that should not be changed. 10149 */ 10150 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10151 IterGenerator<T> generator, Iterator<T> searchIterator) { 10152 // loop through the set of actions; every one must be found in the intent filter 10153 while (searchIterator.hasNext()) { 10154 // we must have at least one filter in the list to consider a match 10155 if (intentList.size() == 0) { 10156 break; 10157 } 10158 10159 final T searchAction = searchIterator.next(); 10160 10161 // loop through the set of intent filters 10162 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10163 while (intentIter.hasNext()) { 10164 final ActivityIntentInfo intentInfo = intentIter.next(); 10165 boolean selectionFound = false; 10166 10167 // loop through the intent filter's selection criteria; at least one 10168 // of them must match the searched criteria 10169 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10170 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10171 final T intentSelection = intentSelectionIter.next(); 10172 if (intentSelection != null && intentSelection.equals(searchAction)) { 10173 selectionFound = true; 10174 break; 10175 } 10176 } 10177 10178 // the selection criteria wasn't found in this filter's set; this filter 10179 // is not a potential match 10180 if (!selectionFound) { 10181 intentIter.remove(); 10182 } 10183 } 10184 } 10185 } 10186 10187 private boolean isProtectedAction(ActivityIntentInfo filter) { 10188 final Iterator<String> actionsIter = filter.actionsIterator(); 10189 while (actionsIter != null && actionsIter.hasNext()) { 10190 final String filterAction = actionsIter.next(); 10191 if (PROTECTED_ACTIONS.contains(filterAction)) { 10192 return true; 10193 } 10194 } 10195 return false; 10196 } 10197 10198 /** 10199 * Adjusts the priority of the given intent filter according to policy. 10200 * <p> 10201 * <ul> 10202 * <li>The priority for non privileged applications is capped to '0'</li> 10203 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10204 * <li>The priority for unbundled updates to privileged applications is capped to the 10205 * priority defined on the system partition</li> 10206 * </ul> 10207 * <p> 10208 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10209 * allowed to obtain any priority on any action. 10210 */ 10211 private void adjustPriority( 10212 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10213 // nothing to do; priority is fine as-is 10214 if (intent.getPriority() <= 0) { 10215 return; 10216 } 10217 10218 final ActivityInfo activityInfo = intent.activity.info; 10219 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10220 10221 final boolean privilegedApp = 10222 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10223 if (!privilegedApp) { 10224 // non-privileged applications can never define a priority >0 10225 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10226 + " package: " + applicationInfo.packageName 10227 + " activity: " + intent.activity.className 10228 + " origPrio: " + intent.getPriority()); 10229 intent.setPriority(0); 10230 return; 10231 } 10232 10233 if (systemActivities == null) { 10234 // the system package is not disabled; we're parsing the system partition 10235 if (isProtectedAction(intent)) { 10236 if (mDeferProtectedFilters) { 10237 // We can't deal with these just yet. No component should ever obtain a 10238 // >0 priority for a protected actions, with ONE exception -- the setup 10239 // wizard. The setup wizard, however, cannot be known until we're able to 10240 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10241 // until all intent filters have been processed. Chicken, meet egg. 10242 // Let the filter temporarily have a high priority and rectify the 10243 // priorities after all system packages have been scanned. 10244 mProtectedFilters.add(intent); 10245 if (DEBUG_FILTERS) { 10246 Slog.i(TAG, "Protected action; save for later;" 10247 + " package: " + applicationInfo.packageName 10248 + " activity: " + intent.activity.className 10249 + " origPrio: " + intent.getPriority()); 10250 } 10251 return; 10252 } else { 10253 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10254 Slog.i(TAG, "No setup wizard;" 10255 + " All protected intents capped to priority 0"); 10256 } 10257 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10258 if (DEBUG_FILTERS) { 10259 Slog.i(TAG, "Found setup wizard;" 10260 + " allow priority " + intent.getPriority() + ";" 10261 + " package: " + intent.activity.info.packageName 10262 + " activity: " + intent.activity.className 10263 + " priority: " + intent.getPriority()); 10264 } 10265 // setup wizard gets whatever it wants 10266 return; 10267 } 10268 Slog.w(TAG, "Protected action; cap priority to 0;" 10269 + " package: " + intent.activity.info.packageName 10270 + " activity: " + intent.activity.className 10271 + " origPrio: " + intent.getPriority()); 10272 intent.setPriority(0); 10273 return; 10274 } 10275 } 10276 // privileged apps on the system image get whatever priority they request 10277 return; 10278 } 10279 10280 // privileged app unbundled update ... try to find the same activity 10281 final PackageParser.Activity foundActivity = 10282 findMatchingActivity(systemActivities, activityInfo); 10283 if (foundActivity == null) { 10284 // this is a new activity; it cannot obtain >0 priority 10285 if (DEBUG_FILTERS) { 10286 Slog.i(TAG, "New activity; cap priority to 0;" 10287 + " package: " + applicationInfo.packageName 10288 + " activity: " + intent.activity.className 10289 + " origPrio: " + intent.getPriority()); 10290 } 10291 intent.setPriority(0); 10292 return; 10293 } 10294 10295 // found activity, now check for filter equivalence 10296 10297 // a shallow copy is enough; we modify the list, not its contents 10298 final List<ActivityIntentInfo> intentListCopy = 10299 new ArrayList<>(foundActivity.intents); 10300 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10301 10302 // find matching action subsets 10303 final Iterator<String> actionsIterator = intent.actionsIterator(); 10304 if (actionsIterator != null) { 10305 getIntentListSubset( 10306 intentListCopy, new ActionIterGenerator(), actionsIterator); 10307 if (intentListCopy.size() == 0) { 10308 // no more intents to match; we're not equivalent 10309 if (DEBUG_FILTERS) { 10310 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10311 + " package: " + applicationInfo.packageName 10312 + " activity: " + intent.activity.className 10313 + " origPrio: " + intent.getPriority()); 10314 } 10315 intent.setPriority(0); 10316 return; 10317 } 10318 } 10319 10320 // find matching category subsets 10321 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10322 if (categoriesIterator != null) { 10323 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10324 categoriesIterator); 10325 if (intentListCopy.size() == 0) { 10326 // no more intents to match; we're not equivalent 10327 if (DEBUG_FILTERS) { 10328 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10329 + " package: " + applicationInfo.packageName 10330 + " activity: " + intent.activity.className 10331 + " origPrio: " + intent.getPriority()); 10332 } 10333 intent.setPriority(0); 10334 return; 10335 } 10336 } 10337 10338 // find matching schemes subsets 10339 final Iterator<String> schemesIterator = intent.schemesIterator(); 10340 if (schemesIterator != null) { 10341 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10342 schemesIterator); 10343 if (intentListCopy.size() == 0) { 10344 // no more intents to match; we're not equivalent 10345 if (DEBUG_FILTERS) { 10346 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10347 + " package: " + applicationInfo.packageName 10348 + " activity: " + intent.activity.className 10349 + " origPrio: " + intent.getPriority()); 10350 } 10351 intent.setPriority(0); 10352 return; 10353 } 10354 } 10355 10356 // find matching authorities subsets 10357 final Iterator<IntentFilter.AuthorityEntry> 10358 authoritiesIterator = intent.authoritiesIterator(); 10359 if (authoritiesIterator != null) { 10360 getIntentListSubset(intentListCopy, 10361 new AuthoritiesIterGenerator(), 10362 authoritiesIterator); 10363 if (intentListCopy.size() == 0) { 10364 // no more intents to match; we're not equivalent 10365 if (DEBUG_FILTERS) { 10366 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10367 + " package: " + applicationInfo.packageName 10368 + " activity: " + intent.activity.className 10369 + " origPrio: " + intent.getPriority()); 10370 } 10371 intent.setPriority(0); 10372 return; 10373 } 10374 } 10375 10376 // we found matching filter(s); app gets the max priority of all intents 10377 int cappedPriority = 0; 10378 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10379 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10380 } 10381 if (intent.getPriority() > cappedPriority) { 10382 if (DEBUG_FILTERS) { 10383 Slog.i(TAG, "Found matching filter(s);" 10384 + " cap priority to " + cappedPriority + ";" 10385 + " package: " + applicationInfo.packageName 10386 + " activity: " + intent.activity.className 10387 + " origPrio: " + intent.getPriority()); 10388 } 10389 intent.setPriority(cappedPriority); 10390 return; 10391 } 10392 // all this for nothing; the requested priority was <= what was on the system 10393 } 10394 10395 public final void addActivity(PackageParser.Activity a, String type) { 10396 mActivities.put(a.getComponentName(), a); 10397 if (DEBUG_SHOW_INFO) 10398 Log.v( 10399 TAG, " " + type + " " + 10400 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10401 if (DEBUG_SHOW_INFO) 10402 Log.v(TAG, " Class=" + a.info.name); 10403 final int NI = a.intents.size(); 10404 for (int j=0; j<NI; j++) { 10405 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10406 if ("activity".equals(type)) { 10407 final PackageSetting ps = 10408 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10409 final List<PackageParser.Activity> systemActivities = 10410 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10411 adjustPriority(systemActivities, intent); 10412 } 10413 if (DEBUG_SHOW_INFO) { 10414 Log.v(TAG, " IntentFilter:"); 10415 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10416 } 10417 if (!intent.debugCheck()) { 10418 Log.w(TAG, "==> For Activity " + a.info.name); 10419 } 10420 addFilter(intent); 10421 } 10422 } 10423 10424 public final void removeActivity(PackageParser.Activity a, String type) { 10425 mActivities.remove(a.getComponentName()); 10426 if (DEBUG_SHOW_INFO) { 10427 Log.v(TAG, " " + type + " " 10428 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10429 : a.info.name) + ":"); 10430 Log.v(TAG, " Class=" + a.info.name); 10431 } 10432 final int NI = a.intents.size(); 10433 for (int j=0; j<NI; j++) { 10434 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10435 if (DEBUG_SHOW_INFO) { 10436 Log.v(TAG, " IntentFilter:"); 10437 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10438 } 10439 removeFilter(intent); 10440 } 10441 } 10442 10443 @Override 10444 protected boolean allowFilterResult( 10445 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10446 ActivityInfo filterAi = filter.activity.info; 10447 for (int i=dest.size()-1; i>=0; i--) { 10448 ActivityInfo destAi = dest.get(i).activityInfo; 10449 if (destAi.name == filterAi.name 10450 && destAi.packageName == filterAi.packageName) { 10451 return false; 10452 } 10453 } 10454 return true; 10455 } 10456 10457 @Override 10458 protected ActivityIntentInfo[] newArray(int size) { 10459 return new ActivityIntentInfo[size]; 10460 } 10461 10462 @Override 10463 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10464 if (!sUserManager.exists(userId)) return true; 10465 PackageParser.Package p = filter.activity.owner; 10466 if (p != null) { 10467 PackageSetting ps = (PackageSetting)p.mExtras; 10468 if (ps != null) { 10469 // System apps are never considered stopped for purposes of 10470 // filtering, because there may be no way for the user to 10471 // actually re-launch them. 10472 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10473 && ps.getStopped(userId); 10474 } 10475 } 10476 return false; 10477 } 10478 10479 @Override 10480 protected boolean isPackageForFilter(String packageName, 10481 PackageParser.ActivityIntentInfo info) { 10482 return packageName.equals(info.activity.owner.packageName); 10483 } 10484 10485 @Override 10486 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10487 int match, int userId) { 10488 if (!sUserManager.exists(userId)) return null; 10489 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10490 return null; 10491 } 10492 final PackageParser.Activity activity = info.activity; 10493 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10494 if (ps == null) { 10495 return null; 10496 } 10497 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10498 ps.readUserState(userId), userId); 10499 if (ai == null) { 10500 return null; 10501 } 10502 final ResolveInfo res = new ResolveInfo(); 10503 res.activityInfo = ai; 10504 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10505 res.filter = info; 10506 } 10507 if (info != null) { 10508 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10509 } 10510 res.priority = info.getPriority(); 10511 res.preferredOrder = activity.owner.mPreferredOrder; 10512 //System.out.println("Result: " + res.activityInfo.className + 10513 // " = " + res.priority); 10514 res.match = match; 10515 res.isDefault = info.hasDefault; 10516 res.labelRes = info.labelRes; 10517 res.nonLocalizedLabel = info.nonLocalizedLabel; 10518 if (userNeedsBadging(userId)) { 10519 res.noResourceId = true; 10520 } else { 10521 res.icon = info.icon; 10522 } 10523 res.iconResourceId = info.icon; 10524 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10525 return res; 10526 } 10527 10528 @Override 10529 protected void sortResults(List<ResolveInfo> results) { 10530 Collections.sort(results, mResolvePrioritySorter); 10531 } 10532 10533 @Override 10534 protected void dumpFilter(PrintWriter out, String prefix, 10535 PackageParser.ActivityIntentInfo filter) { 10536 out.print(prefix); out.print( 10537 Integer.toHexString(System.identityHashCode(filter.activity))); 10538 out.print(' '); 10539 filter.activity.printComponentShortName(out); 10540 out.print(" filter "); 10541 out.println(Integer.toHexString(System.identityHashCode(filter))); 10542 } 10543 10544 @Override 10545 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10546 return filter.activity; 10547 } 10548 10549 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10550 PackageParser.Activity activity = (PackageParser.Activity)label; 10551 out.print(prefix); out.print( 10552 Integer.toHexString(System.identityHashCode(activity))); 10553 out.print(' '); 10554 activity.printComponentShortName(out); 10555 if (count > 1) { 10556 out.print(" ("); out.print(count); out.print(" filters)"); 10557 } 10558 out.println(); 10559 } 10560 10561 // Keys are String (activity class name), values are Activity. 10562 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10563 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10564 private int mFlags; 10565 } 10566 10567 private final class ServiceIntentResolver 10568 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10569 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10570 boolean defaultOnly, int userId) { 10571 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10572 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10573 } 10574 10575 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10576 int userId) { 10577 if (!sUserManager.exists(userId)) return null; 10578 mFlags = flags; 10579 return super.queryIntent(intent, resolvedType, 10580 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10581 } 10582 10583 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10584 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10585 if (!sUserManager.exists(userId)) return null; 10586 if (packageServices == null) { 10587 return null; 10588 } 10589 mFlags = flags; 10590 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10591 final int N = packageServices.size(); 10592 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10593 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10594 10595 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10596 for (int i = 0; i < N; ++i) { 10597 intentFilters = packageServices.get(i).intents; 10598 if (intentFilters != null && intentFilters.size() > 0) { 10599 PackageParser.ServiceIntentInfo[] array = 10600 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10601 intentFilters.toArray(array); 10602 listCut.add(array); 10603 } 10604 } 10605 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10606 } 10607 10608 public final void addService(PackageParser.Service s) { 10609 mServices.put(s.getComponentName(), s); 10610 if (DEBUG_SHOW_INFO) { 10611 Log.v(TAG, " " 10612 + (s.info.nonLocalizedLabel != null 10613 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10614 Log.v(TAG, " Class=" + s.info.name); 10615 } 10616 final int NI = s.intents.size(); 10617 int j; 10618 for (j=0; j<NI; j++) { 10619 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10620 if (DEBUG_SHOW_INFO) { 10621 Log.v(TAG, " IntentFilter:"); 10622 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10623 } 10624 if (!intent.debugCheck()) { 10625 Log.w(TAG, "==> For Service " + s.info.name); 10626 } 10627 addFilter(intent); 10628 } 10629 } 10630 10631 public final void removeService(PackageParser.Service s) { 10632 mServices.remove(s.getComponentName()); 10633 if (DEBUG_SHOW_INFO) { 10634 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10635 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10636 Log.v(TAG, " Class=" + s.info.name); 10637 } 10638 final int NI = s.intents.size(); 10639 int j; 10640 for (j=0; j<NI; j++) { 10641 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10642 if (DEBUG_SHOW_INFO) { 10643 Log.v(TAG, " IntentFilter:"); 10644 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10645 } 10646 removeFilter(intent); 10647 } 10648 } 10649 10650 @Override 10651 protected boolean allowFilterResult( 10652 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10653 ServiceInfo filterSi = filter.service.info; 10654 for (int i=dest.size()-1; i>=0; i--) { 10655 ServiceInfo destAi = dest.get(i).serviceInfo; 10656 if (destAi.name == filterSi.name 10657 && destAi.packageName == filterSi.packageName) { 10658 return false; 10659 } 10660 } 10661 return true; 10662 } 10663 10664 @Override 10665 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10666 return new PackageParser.ServiceIntentInfo[size]; 10667 } 10668 10669 @Override 10670 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10671 if (!sUserManager.exists(userId)) return true; 10672 PackageParser.Package p = filter.service.owner; 10673 if (p != null) { 10674 PackageSetting ps = (PackageSetting)p.mExtras; 10675 if (ps != null) { 10676 // System apps are never considered stopped for purposes of 10677 // filtering, because there may be no way for the user to 10678 // actually re-launch them. 10679 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10680 && ps.getStopped(userId); 10681 } 10682 } 10683 return false; 10684 } 10685 10686 @Override 10687 protected boolean isPackageForFilter(String packageName, 10688 PackageParser.ServiceIntentInfo info) { 10689 return packageName.equals(info.service.owner.packageName); 10690 } 10691 10692 @Override 10693 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10694 int match, int userId) { 10695 if (!sUserManager.exists(userId)) return null; 10696 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10697 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10698 return null; 10699 } 10700 final PackageParser.Service service = info.service; 10701 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10702 if (ps == null) { 10703 return null; 10704 } 10705 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10706 ps.readUserState(userId), userId); 10707 if (si == null) { 10708 return null; 10709 } 10710 final ResolveInfo res = new ResolveInfo(); 10711 res.serviceInfo = si; 10712 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10713 res.filter = filter; 10714 } 10715 res.priority = info.getPriority(); 10716 res.preferredOrder = service.owner.mPreferredOrder; 10717 res.match = match; 10718 res.isDefault = info.hasDefault; 10719 res.labelRes = info.labelRes; 10720 res.nonLocalizedLabel = info.nonLocalizedLabel; 10721 res.icon = info.icon; 10722 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10723 return res; 10724 } 10725 10726 @Override 10727 protected void sortResults(List<ResolveInfo> results) { 10728 Collections.sort(results, mResolvePrioritySorter); 10729 } 10730 10731 @Override 10732 protected void dumpFilter(PrintWriter out, String prefix, 10733 PackageParser.ServiceIntentInfo filter) { 10734 out.print(prefix); out.print( 10735 Integer.toHexString(System.identityHashCode(filter.service))); 10736 out.print(' '); 10737 filter.service.printComponentShortName(out); 10738 out.print(" filter "); 10739 out.println(Integer.toHexString(System.identityHashCode(filter))); 10740 } 10741 10742 @Override 10743 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10744 return filter.service; 10745 } 10746 10747 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10748 PackageParser.Service service = (PackageParser.Service)label; 10749 out.print(prefix); out.print( 10750 Integer.toHexString(System.identityHashCode(service))); 10751 out.print(' '); 10752 service.printComponentShortName(out); 10753 if (count > 1) { 10754 out.print(" ("); out.print(count); out.print(" filters)"); 10755 } 10756 out.println(); 10757 } 10758 10759// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10760// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10761// final List<ResolveInfo> retList = Lists.newArrayList(); 10762// while (i.hasNext()) { 10763// final ResolveInfo resolveInfo = (ResolveInfo) i; 10764// if (isEnabledLP(resolveInfo.serviceInfo)) { 10765// retList.add(resolveInfo); 10766// } 10767// } 10768// return retList; 10769// } 10770 10771 // Keys are String (activity class name), values are Activity. 10772 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10773 = new ArrayMap<ComponentName, PackageParser.Service>(); 10774 private int mFlags; 10775 }; 10776 10777 private final class ProviderIntentResolver 10778 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10779 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10780 boolean defaultOnly, int userId) { 10781 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10782 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10783 } 10784 10785 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10786 int userId) { 10787 if (!sUserManager.exists(userId)) 10788 return null; 10789 mFlags = flags; 10790 return super.queryIntent(intent, resolvedType, 10791 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10792 } 10793 10794 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10795 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10796 if (!sUserManager.exists(userId)) 10797 return null; 10798 if (packageProviders == null) { 10799 return null; 10800 } 10801 mFlags = flags; 10802 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10803 final int N = packageProviders.size(); 10804 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10805 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10806 10807 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10808 for (int i = 0; i < N; ++i) { 10809 intentFilters = packageProviders.get(i).intents; 10810 if (intentFilters != null && intentFilters.size() > 0) { 10811 PackageParser.ProviderIntentInfo[] array = 10812 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10813 intentFilters.toArray(array); 10814 listCut.add(array); 10815 } 10816 } 10817 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10818 } 10819 10820 public final void addProvider(PackageParser.Provider p) { 10821 if (mProviders.containsKey(p.getComponentName())) { 10822 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10823 return; 10824 } 10825 10826 mProviders.put(p.getComponentName(), p); 10827 if (DEBUG_SHOW_INFO) { 10828 Log.v(TAG, " " 10829 + (p.info.nonLocalizedLabel != null 10830 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10831 Log.v(TAG, " Class=" + p.info.name); 10832 } 10833 final int NI = p.intents.size(); 10834 int j; 10835 for (j = 0; j < NI; j++) { 10836 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10837 if (DEBUG_SHOW_INFO) { 10838 Log.v(TAG, " IntentFilter:"); 10839 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10840 } 10841 if (!intent.debugCheck()) { 10842 Log.w(TAG, "==> For Provider " + p.info.name); 10843 } 10844 addFilter(intent); 10845 } 10846 } 10847 10848 public final void removeProvider(PackageParser.Provider p) { 10849 mProviders.remove(p.getComponentName()); 10850 if (DEBUG_SHOW_INFO) { 10851 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10852 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10853 Log.v(TAG, " Class=" + p.info.name); 10854 } 10855 final int NI = p.intents.size(); 10856 int j; 10857 for (j = 0; j < NI; j++) { 10858 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10859 if (DEBUG_SHOW_INFO) { 10860 Log.v(TAG, " IntentFilter:"); 10861 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10862 } 10863 removeFilter(intent); 10864 } 10865 } 10866 10867 @Override 10868 protected boolean allowFilterResult( 10869 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10870 ProviderInfo filterPi = filter.provider.info; 10871 for (int i = dest.size() - 1; i >= 0; i--) { 10872 ProviderInfo destPi = dest.get(i).providerInfo; 10873 if (destPi.name == filterPi.name 10874 && destPi.packageName == filterPi.packageName) { 10875 return false; 10876 } 10877 } 10878 return true; 10879 } 10880 10881 @Override 10882 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10883 return new PackageParser.ProviderIntentInfo[size]; 10884 } 10885 10886 @Override 10887 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10888 if (!sUserManager.exists(userId)) 10889 return true; 10890 PackageParser.Package p = filter.provider.owner; 10891 if (p != null) { 10892 PackageSetting ps = (PackageSetting) p.mExtras; 10893 if (ps != null) { 10894 // System apps are never considered stopped for purposes of 10895 // filtering, because there may be no way for the user to 10896 // actually re-launch them. 10897 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10898 && ps.getStopped(userId); 10899 } 10900 } 10901 return false; 10902 } 10903 10904 @Override 10905 protected boolean isPackageForFilter(String packageName, 10906 PackageParser.ProviderIntentInfo info) { 10907 return packageName.equals(info.provider.owner.packageName); 10908 } 10909 10910 @Override 10911 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10912 int match, int userId) { 10913 if (!sUserManager.exists(userId)) 10914 return null; 10915 final PackageParser.ProviderIntentInfo info = filter; 10916 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10917 return null; 10918 } 10919 final PackageParser.Provider provider = info.provider; 10920 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10921 if (ps == null) { 10922 return null; 10923 } 10924 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10925 ps.readUserState(userId), userId); 10926 if (pi == null) { 10927 return null; 10928 } 10929 final ResolveInfo res = new ResolveInfo(); 10930 res.providerInfo = pi; 10931 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10932 res.filter = filter; 10933 } 10934 res.priority = info.getPriority(); 10935 res.preferredOrder = provider.owner.mPreferredOrder; 10936 res.match = match; 10937 res.isDefault = info.hasDefault; 10938 res.labelRes = info.labelRes; 10939 res.nonLocalizedLabel = info.nonLocalizedLabel; 10940 res.icon = info.icon; 10941 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10942 return res; 10943 } 10944 10945 @Override 10946 protected void sortResults(List<ResolveInfo> results) { 10947 Collections.sort(results, mResolvePrioritySorter); 10948 } 10949 10950 @Override 10951 protected void dumpFilter(PrintWriter out, String prefix, 10952 PackageParser.ProviderIntentInfo filter) { 10953 out.print(prefix); 10954 out.print( 10955 Integer.toHexString(System.identityHashCode(filter.provider))); 10956 out.print(' '); 10957 filter.provider.printComponentShortName(out); 10958 out.print(" filter "); 10959 out.println(Integer.toHexString(System.identityHashCode(filter))); 10960 } 10961 10962 @Override 10963 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10964 return filter.provider; 10965 } 10966 10967 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10968 PackageParser.Provider provider = (PackageParser.Provider)label; 10969 out.print(prefix); out.print( 10970 Integer.toHexString(System.identityHashCode(provider))); 10971 out.print(' '); 10972 provider.printComponentShortName(out); 10973 if (count > 1) { 10974 out.print(" ("); out.print(count); out.print(" filters)"); 10975 } 10976 out.println(); 10977 } 10978 10979 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10980 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10981 private int mFlags; 10982 } 10983 10984 private static final class EphemeralIntentResolver 10985 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10986 @Override 10987 protected EphemeralResolveIntentInfo[] newArray(int size) { 10988 return new EphemeralResolveIntentInfo[size]; 10989 } 10990 10991 @Override 10992 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10993 return true; 10994 } 10995 10996 @Override 10997 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10998 int userId) { 10999 if (!sUserManager.exists(userId)) { 11000 return null; 11001 } 11002 return info.getEphemeralResolveInfo(); 11003 } 11004 } 11005 11006 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11007 new Comparator<ResolveInfo>() { 11008 public int compare(ResolveInfo r1, ResolveInfo r2) { 11009 int v1 = r1.priority; 11010 int v2 = r2.priority; 11011 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11012 if (v1 != v2) { 11013 return (v1 > v2) ? -1 : 1; 11014 } 11015 v1 = r1.preferredOrder; 11016 v2 = r2.preferredOrder; 11017 if (v1 != v2) { 11018 return (v1 > v2) ? -1 : 1; 11019 } 11020 if (r1.isDefault != r2.isDefault) { 11021 return r1.isDefault ? -1 : 1; 11022 } 11023 v1 = r1.match; 11024 v2 = r2.match; 11025 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11026 if (v1 != v2) { 11027 return (v1 > v2) ? -1 : 1; 11028 } 11029 if (r1.system != r2.system) { 11030 return r1.system ? -1 : 1; 11031 } 11032 if (r1.activityInfo != null) { 11033 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11034 } 11035 if (r1.serviceInfo != null) { 11036 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11037 } 11038 if (r1.providerInfo != null) { 11039 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11040 } 11041 return 0; 11042 } 11043 }; 11044 11045 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11046 new Comparator<ProviderInfo>() { 11047 public int compare(ProviderInfo p1, ProviderInfo p2) { 11048 final int v1 = p1.initOrder; 11049 final int v2 = p2.initOrder; 11050 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11051 } 11052 }; 11053 11054 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11055 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11056 final int[] userIds) { 11057 mHandler.post(new Runnable() { 11058 @Override 11059 public void run() { 11060 try { 11061 final IActivityManager am = ActivityManagerNative.getDefault(); 11062 if (am == null) return; 11063 final int[] resolvedUserIds; 11064 if (userIds == null) { 11065 resolvedUserIds = am.getRunningUserIds(); 11066 } else { 11067 resolvedUserIds = userIds; 11068 } 11069 for (int id : resolvedUserIds) { 11070 final Intent intent = new Intent(action, 11071 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11072 if (extras != null) { 11073 intent.putExtras(extras); 11074 } 11075 if (targetPkg != null) { 11076 intent.setPackage(targetPkg); 11077 } 11078 // Modify the UID when posting to other users 11079 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11080 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11081 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11082 intent.putExtra(Intent.EXTRA_UID, uid); 11083 } 11084 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11085 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11086 if (DEBUG_BROADCASTS) { 11087 RuntimeException here = new RuntimeException("here"); 11088 here.fillInStackTrace(); 11089 Slog.d(TAG, "Sending to user " + id + ": " 11090 + intent.toShortString(false, true, false, false) 11091 + " " + intent.getExtras(), here); 11092 } 11093 am.broadcastIntent(null, intent, null, finishedReceiver, 11094 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11095 null, finishedReceiver != null, false, id); 11096 } 11097 } catch (RemoteException ex) { 11098 } 11099 } 11100 }); 11101 } 11102 11103 /** 11104 * Check if the external storage media is available. This is true if there 11105 * is a mounted external storage medium or if the external storage is 11106 * emulated. 11107 */ 11108 private boolean isExternalMediaAvailable() { 11109 return mMediaMounted || Environment.isExternalStorageEmulated(); 11110 } 11111 11112 @Override 11113 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11114 // writer 11115 synchronized (mPackages) { 11116 if (!isExternalMediaAvailable()) { 11117 // If the external storage is no longer mounted at this point, 11118 // the caller may not have been able to delete all of this 11119 // packages files and can not delete any more. Bail. 11120 return null; 11121 } 11122 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11123 if (lastPackage != null) { 11124 pkgs.remove(lastPackage); 11125 } 11126 if (pkgs.size() > 0) { 11127 return pkgs.get(0); 11128 } 11129 } 11130 return null; 11131 } 11132 11133 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11134 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11135 userId, andCode ? 1 : 0, packageName); 11136 if (mSystemReady) { 11137 msg.sendToTarget(); 11138 } else { 11139 if (mPostSystemReadyMessages == null) { 11140 mPostSystemReadyMessages = new ArrayList<>(); 11141 } 11142 mPostSystemReadyMessages.add(msg); 11143 } 11144 } 11145 11146 void startCleaningPackages() { 11147 // reader 11148 if (!isExternalMediaAvailable()) { 11149 return; 11150 } 11151 synchronized (mPackages) { 11152 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11153 return; 11154 } 11155 } 11156 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11157 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11158 IActivityManager am = ActivityManagerNative.getDefault(); 11159 if (am != null) { 11160 try { 11161 am.startService(null, intent, null, mContext.getOpPackageName(), 11162 UserHandle.USER_SYSTEM); 11163 } catch (RemoteException e) { 11164 } 11165 } 11166 } 11167 11168 @Override 11169 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11170 int installFlags, String installerPackageName, int userId) { 11171 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11172 11173 final int callingUid = Binder.getCallingUid(); 11174 enforceCrossUserPermission(callingUid, userId, 11175 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11176 11177 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11178 try { 11179 if (observer != null) { 11180 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11181 } 11182 } catch (RemoteException re) { 11183 } 11184 return; 11185 } 11186 11187 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11188 installFlags |= PackageManager.INSTALL_FROM_ADB; 11189 11190 } else { 11191 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11192 // about installerPackageName. 11193 11194 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11195 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11196 } 11197 11198 UserHandle user; 11199 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11200 user = UserHandle.ALL; 11201 } else { 11202 user = new UserHandle(userId); 11203 } 11204 11205 // Only system components can circumvent runtime permissions when installing. 11206 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11207 && mContext.checkCallingOrSelfPermission(Manifest.permission 11208 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11209 throw new SecurityException("You need the " 11210 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11211 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11212 } 11213 11214 final File originFile = new File(originPath); 11215 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11216 11217 final Message msg = mHandler.obtainMessage(INIT_COPY); 11218 final VerificationInfo verificationInfo = new VerificationInfo( 11219 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11220 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11221 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11222 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11223 null /*certificates*/); 11224 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11225 msg.obj = params; 11226 11227 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11228 System.identityHashCode(msg.obj)); 11229 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11230 System.identityHashCode(msg.obj)); 11231 11232 mHandler.sendMessage(msg); 11233 } 11234 11235 void installStage(String packageName, File stagedDir, String stagedCid, 11236 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11237 String installerPackageName, int installerUid, UserHandle user, 11238 Certificate[][] certificates) { 11239 if (DEBUG_EPHEMERAL) { 11240 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11241 Slog.d(TAG, "Ephemeral install of " + packageName); 11242 } 11243 } 11244 final VerificationInfo verificationInfo = new VerificationInfo( 11245 sessionParams.originatingUri, sessionParams.referrerUri, 11246 sessionParams.originatingUid, installerUid); 11247 11248 final OriginInfo origin; 11249 if (stagedDir != null) { 11250 origin = OriginInfo.fromStagedFile(stagedDir); 11251 } else { 11252 origin = OriginInfo.fromStagedContainer(stagedCid); 11253 } 11254 11255 final Message msg = mHandler.obtainMessage(INIT_COPY); 11256 final InstallParams params = new InstallParams(origin, null, observer, 11257 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11258 verificationInfo, user, sessionParams.abiOverride, 11259 sessionParams.grantedRuntimePermissions, certificates); 11260 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11261 msg.obj = params; 11262 11263 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11264 System.identityHashCode(msg.obj)); 11265 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11266 System.identityHashCode(msg.obj)); 11267 11268 mHandler.sendMessage(msg); 11269 } 11270 11271 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11272 int userId) { 11273 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11274 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11275 } 11276 11277 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11278 int appId, int userId) { 11279 Bundle extras = new Bundle(1); 11280 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11281 11282 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11283 packageName, extras, 0, null, null, new int[] {userId}); 11284 try { 11285 IActivityManager am = ActivityManagerNative.getDefault(); 11286 if (isSystem && am.isUserRunning(userId, 0)) { 11287 // The just-installed/enabled app is bundled on the system, so presumed 11288 // to be able to run automatically without needing an explicit launch. 11289 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11290 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11291 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11292 .setPackage(packageName); 11293 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11294 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11295 } 11296 } catch (RemoteException e) { 11297 // shouldn't happen 11298 Slog.w(TAG, "Unable to bootstrap installed package", e); 11299 } 11300 } 11301 11302 @Override 11303 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11304 int userId) { 11305 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11306 PackageSetting pkgSetting; 11307 final int uid = Binder.getCallingUid(); 11308 enforceCrossUserPermission(uid, userId, 11309 true /* requireFullPermission */, true /* checkShell */, 11310 "setApplicationHiddenSetting for user " + userId); 11311 11312 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11313 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11314 return false; 11315 } 11316 11317 long callingId = Binder.clearCallingIdentity(); 11318 try { 11319 boolean sendAdded = false; 11320 boolean sendRemoved = false; 11321 // writer 11322 synchronized (mPackages) { 11323 pkgSetting = mSettings.mPackages.get(packageName); 11324 if (pkgSetting == null) { 11325 return false; 11326 } 11327 if (pkgSetting.getHidden(userId) != hidden) { 11328 pkgSetting.setHidden(hidden, userId); 11329 mSettings.writePackageRestrictionsLPr(userId); 11330 if (hidden) { 11331 sendRemoved = true; 11332 } else { 11333 sendAdded = true; 11334 } 11335 } 11336 } 11337 if (sendAdded) { 11338 sendPackageAddedForUser(packageName, pkgSetting, userId); 11339 return true; 11340 } 11341 if (sendRemoved) { 11342 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11343 "hiding pkg"); 11344 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11345 return true; 11346 } 11347 } finally { 11348 Binder.restoreCallingIdentity(callingId); 11349 } 11350 return false; 11351 } 11352 11353 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11354 int userId) { 11355 final PackageRemovedInfo info = new PackageRemovedInfo(); 11356 info.removedPackage = packageName; 11357 info.removedUsers = new int[] {userId}; 11358 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11359 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11360 } 11361 11362 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11363 if (pkgList.length > 0) { 11364 Bundle extras = new Bundle(1); 11365 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11366 11367 sendPackageBroadcast( 11368 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11369 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11370 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11371 new int[] {userId}); 11372 } 11373 } 11374 11375 /** 11376 * Returns true if application is not found or there was an error. Otherwise it returns 11377 * the hidden state of the package for the given user. 11378 */ 11379 @Override 11380 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11381 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11382 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11383 true /* requireFullPermission */, false /* checkShell */, 11384 "getApplicationHidden for user " + userId); 11385 PackageSetting pkgSetting; 11386 long callingId = Binder.clearCallingIdentity(); 11387 try { 11388 // writer 11389 synchronized (mPackages) { 11390 pkgSetting = mSettings.mPackages.get(packageName); 11391 if (pkgSetting == null) { 11392 return true; 11393 } 11394 return pkgSetting.getHidden(userId); 11395 } 11396 } finally { 11397 Binder.restoreCallingIdentity(callingId); 11398 } 11399 } 11400 11401 /** 11402 * @hide 11403 */ 11404 @Override 11405 public int installExistingPackageAsUser(String packageName, int userId) { 11406 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11407 null); 11408 PackageSetting pkgSetting; 11409 final int uid = Binder.getCallingUid(); 11410 enforceCrossUserPermission(uid, userId, 11411 true /* requireFullPermission */, true /* checkShell */, 11412 "installExistingPackage for user " + userId); 11413 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11414 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11415 } 11416 11417 long callingId = Binder.clearCallingIdentity(); 11418 try { 11419 boolean installed = false; 11420 11421 // writer 11422 synchronized (mPackages) { 11423 pkgSetting = mSettings.mPackages.get(packageName); 11424 if (pkgSetting == null) { 11425 return PackageManager.INSTALL_FAILED_INVALID_URI; 11426 } 11427 if (!pkgSetting.getInstalled(userId)) { 11428 pkgSetting.setInstalled(true, userId); 11429 pkgSetting.setHidden(false, userId); 11430 mSettings.writePackageRestrictionsLPr(userId); 11431 installed = true; 11432 } 11433 } 11434 11435 if (installed) { 11436 if (pkgSetting.pkg != null) { 11437 synchronized (mInstallLock) { 11438 // We don't need to freeze for a brand new install 11439 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11440 } 11441 } 11442 sendPackageAddedForUser(packageName, pkgSetting, userId); 11443 } 11444 } finally { 11445 Binder.restoreCallingIdentity(callingId); 11446 } 11447 11448 return PackageManager.INSTALL_SUCCEEDED; 11449 } 11450 11451 boolean isUserRestricted(int userId, String restrictionKey) { 11452 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11453 if (restrictions.getBoolean(restrictionKey, false)) { 11454 Log.w(TAG, "User is restricted: " + restrictionKey); 11455 return true; 11456 } 11457 return false; 11458 } 11459 11460 @Override 11461 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11462 int userId) { 11463 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11464 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11465 true /* requireFullPermission */, true /* checkShell */, 11466 "setPackagesSuspended for user " + userId); 11467 11468 if (ArrayUtils.isEmpty(packageNames)) { 11469 return packageNames; 11470 } 11471 11472 // List of package names for whom the suspended state has changed. 11473 List<String> changedPackages = new ArrayList<>(packageNames.length); 11474 // List of package names for whom the suspended state is not set as requested in this 11475 // method. 11476 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11477 for (int i = 0; i < packageNames.length; i++) { 11478 String packageName = packageNames[i]; 11479 long callingId = Binder.clearCallingIdentity(); 11480 try { 11481 boolean changed = false; 11482 final int appId; 11483 synchronized (mPackages) { 11484 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11485 if (pkgSetting == null) { 11486 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11487 + "\". Skipping suspending/un-suspending."); 11488 unactionedPackages.add(packageName); 11489 continue; 11490 } 11491 appId = pkgSetting.appId; 11492 if (pkgSetting.getSuspended(userId) != suspended) { 11493 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11494 unactionedPackages.add(packageName); 11495 continue; 11496 } 11497 pkgSetting.setSuspended(suspended, userId); 11498 mSettings.writePackageRestrictionsLPr(userId); 11499 changed = true; 11500 changedPackages.add(packageName); 11501 } 11502 } 11503 11504 if (changed && suspended) { 11505 killApplication(packageName, UserHandle.getUid(userId, appId), 11506 "suspending package"); 11507 } 11508 } finally { 11509 Binder.restoreCallingIdentity(callingId); 11510 } 11511 } 11512 11513 if (!changedPackages.isEmpty()) { 11514 sendPackagesSuspendedForUser(changedPackages.toArray( 11515 new String[changedPackages.size()]), userId, suspended); 11516 } 11517 11518 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11519 } 11520 11521 @Override 11522 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11523 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11524 true /* requireFullPermission */, false /* checkShell */, 11525 "isPackageSuspendedForUser for user " + userId); 11526 synchronized (mPackages) { 11527 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11528 if (pkgSetting == null) { 11529 throw new IllegalArgumentException("Unknown target package: " + packageName); 11530 } 11531 return pkgSetting.getSuspended(userId); 11532 } 11533 } 11534 11535 /** 11536 * TODO: cache and disallow blocking the active dialer. 11537 * 11538 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 11539 */ 11540 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11541 if (isPackageDeviceAdmin(packageName, userId)) { 11542 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11543 + "\": has an active device admin"); 11544 return false; 11545 } 11546 11547 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11548 if (packageName.equals(activeLauncherPackageName)) { 11549 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11550 + "\": contains the active launcher"); 11551 return false; 11552 } 11553 11554 if (packageName.equals(mRequiredInstallerPackage)) { 11555 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11556 + "\": required for package installation"); 11557 return false; 11558 } 11559 11560 if (packageName.equals(mRequiredVerifierPackage)) { 11561 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11562 + "\": required for package verification"); 11563 return false; 11564 } 11565 11566 final PackageParser.Package pkg = mPackages.get(packageName); 11567 if (pkg != null && isPrivilegedApp(pkg)) { 11568 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11569 + "\": is a privileged app"); 11570 return false; 11571 } 11572 11573 return true; 11574 } 11575 11576 private String getActiveLauncherPackageName(int userId) { 11577 Intent intent = new Intent(Intent.ACTION_MAIN); 11578 intent.addCategory(Intent.CATEGORY_HOME); 11579 ResolveInfo resolveInfo = resolveIntent( 11580 intent, 11581 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11582 PackageManager.MATCH_DEFAULT_ONLY, 11583 userId); 11584 11585 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11586 } 11587 11588 @Override 11589 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11590 mContext.enforceCallingOrSelfPermission( 11591 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11592 "Only package verification agents can verify applications"); 11593 11594 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11595 final PackageVerificationResponse response = new PackageVerificationResponse( 11596 verificationCode, Binder.getCallingUid()); 11597 msg.arg1 = id; 11598 msg.obj = response; 11599 mHandler.sendMessage(msg); 11600 } 11601 11602 @Override 11603 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11604 long millisecondsToDelay) { 11605 mContext.enforceCallingOrSelfPermission( 11606 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11607 "Only package verification agents can extend verification timeouts"); 11608 11609 final PackageVerificationState state = mPendingVerification.get(id); 11610 final PackageVerificationResponse response = new PackageVerificationResponse( 11611 verificationCodeAtTimeout, Binder.getCallingUid()); 11612 11613 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11614 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11615 } 11616 if (millisecondsToDelay < 0) { 11617 millisecondsToDelay = 0; 11618 } 11619 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11620 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11621 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11622 } 11623 11624 if ((state != null) && !state.timeoutExtended()) { 11625 state.extendTimeout(); 11626 11627 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11628 msg.arg1 = id; 11629 msg.obj = response; 11630 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11631 } 11632 } 11633 11634 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11635 int verificationCode, UserHandle user) { 11636 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11637 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11638 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11639 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11640 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11641 11642 mContext.sendBroadcastAsUser(intent, user, 11643 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11644 } 11645 11646 private ComponentName matchComponentForVerifier(String packageName, 11647 List<ResolveInfo> receivers) { 11648 ActivityInfo targetReceiver = null; 11649 11650 final int NR = receivers.size(); 11651 for (int i = 0; i < NR; i++) { 11652 final ResolveInfo info = receivers.get(i); 11653 if (info.activityInfo == null) { 11654 continue; 11655 } 11656 11657 if (packageName.equals(info.activityInfo.packageName)) { 11658 targetReceiver = info.activityInfo; 11659 break; 11660 } 11661 } 11662 11663 if (targetReceiver == null) { 11664 return null; 11665 } 11666 11667 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11668 } 11669 11670 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11671 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11672 if (pkgInfo.verifiers.length == 0) { 11673 return null; 11674 } 11675 11676 final int N = pkgInfo.verifiers.length; 11677 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11678 for (int i = 0; i < N; i++) { 11679 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11680 11681 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11682 receivers); 11683 if (comp == null) { 11684 continue; 11685 } 11686 11687 final int verifierUid = getUidForVerifier(verifierInfo); 11688 if (verifierUid == -1) { 11689 continue; 11690 } 11691 11692 if (DEBUG_VERIFY) { 11693 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11694 + " with the correct signature"); 11695 } 11696 sufficientVerifiers.add(comp); 11697 verificationState.addSufficientVerifier(verifierUid); 11698 } 11699 11700 return sufficientVerifiers; 11701 } 11702 11703 private int getUidForVerifier(VerifierInfo verifierInfo) { 11704 synchronized (mPackages) { 11705 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11706 if (pkg == null) { 11707 return -1; 11708 } else if (pkg.mSignatures.length != 1) { 11709 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11710 + " has more than one signature; ignoring"); 11711 return -1; 11712 } 11713 11714 /* 11715 * If the public key of the package's signature does not match 11716 * our expected public key, then this is a different package and 11717 * we should skip. 11718 */ 11719 11720 final byte[] expectedPublicKey; 11721 try { 11722 final Signature verifierSig = pkg.mSignatures[0]; 11723 final PublicKey publicKey = verifierSig.getPublicKey(); 11724 expectedPublicKey = publicKey.getEncoded(); 11725 } catch (CertificateException e) { 11726 return -1; 11727 } 11728 11729 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11730 11731 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11732 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11733 + " does not have the expected public key; ignoring"); 11734 return -1; 11735 } 11736 11737 return pkg.applicationInfo.uid; 11738 } 11739 } 11740 11741 @Override 11742 public void finishPackageInstall(int token) { 11743 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11744 11745 if (DEBUG_INSTALL) { 11746 Slog.v(TAG, "BM finishing package install for " + token); 11747 } 11748 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11749 11750 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11751 mHandler.sendMessage(msg); 11752 } 11753 11754 /** 11755 * Get the verification agent timeout. 11756 * 11757 * @return verification timeout in milliseconds 11758 */ 11759 private long getVerificationTimeout() { 11760 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11761 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11762 DEFAULT_VERIFICATION_TIMEOUT); 11763 } 11764 11765 /** 11766 * Get the default verification agent response code. 11767 * 11768 * @return default verification response code 11769 */ 11770 private int getDefaultVerificationResponse() { 11771 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11772 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11773 DEFAULT_VERIFICATION_RESPONSE); 11774 } 11775 11776 /** 11777 * Check whether or not package verification has been enabled. 11778 * 11779 * @return true if verification should be performed 11780 */ 11781 private boolean isVerificationEnabled(int userId, int installFlags) { 11782 if (!DEFAULT_VERIFY_ENABLE) { 11783 return false; 11784 } 11785 // Ephemeral apps don't get the full verification treatment 11786 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11787 if (DEBUG_EPHEMERAL) { 11788 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11789 } 11790 return false; 11791 } 11792 11793 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11794 11795 // Check if installing from ADB 11796 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11797 // Do not run verification in a test harness environment 11798 if (ActivityManager.isRunningInTestHarness()) { 11799 return false; 11800 } 11801 if (ensureVerifyAppsEnabled) { 11802 return true; 11803 } 11804 // Check if the developer does not want package verification for ADB installs 11805 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11806 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11807 return false; 11808 } 11809 } 11810 11811 if (ensureVerifyAppsEnabled) { 11812 return true; 11813 } 11814 11815 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11816 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11817 } 11818 11819 @Override 11820 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11821 throws RemoteException { 11822 mContext.enforceCallingOrSelfPermission( 11823 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11824 "Only intentfilter verification agents can verify applications"); 11825 11826 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11827 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11828 Binder.getCallingUid(), verificationCode, failedDomains); 11829 msg.arg1 = id; 11830 msg.obj = response; 11831 mHandler.sendMessage(msg); 11832 } 11833 11834 @Override 11835 public int getIntentVerificationStatus(String packageName, int userId) { 11836 synchronized (mPackages) { 11837 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11838 } 11839 } 11840 11841 @Override 11842 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11843 mContext.enforceCallingOrSelfPermission( 11844 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11845 11846 boolean result = false; 11847 synchronized (mPackages) { 11848 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11849 } 11850 if (result) { 11851 scheduleWritePackageRestrictionsLocked(userId); 11852 } 11853 return result; 11854 } 11855 11856 @Override 11857 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11858 String packageName) { 11859 synchronized (mPackages) { 11860 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11861 } 11862 } 11863 11864 @Override 11865 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11866 if (TextUtils.isEmpty(packageName)) { 11867 return ParceledListSlice.emptyList(); 11868 } 11869 synchronized (mPackages) { 11870 PackageParser.Package pkg = mPackages.get(packageName); 11871 if (pkg == null || pkg.activities == null) { 11872 return ParceledListSlice.emptyList(); 11873 } 11874 final int count = pkg.activities.size(); 11875 ArrayList<IntentFilter> result = new ArrayList<>(); 11876 for (int n=0; n<count; n++) { 11877 PackageParser.Activity activity = pkg.activities.get(n); 11878 if (activity.intents != null && activity.intents.size() > 0) { 11879 result.addAll(activity.intents); 11880 } 11881 } 11882 return new ParceledListSlice<>(result); 11883 } 11884 } 11885 11886 @Override 11887 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11888 mContext.enforceCallingOrSelfPermission( 11889 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11890 11891 synchronized (mPackages) { 11892 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11893 if (packageName != null) { 11894 result |= updateIntentVerificationStatus(packageName, 11895 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11896 userId); 11897 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11898 packageName, userId); 11899 } 11900 return result; 11901 } 11902 } 11903 11904 @Override 11905 public String getDefaultBrowserPackageName(int userId) { 11906 synchronized (mPackages) { 11907 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11908 } 11909 } 11910 11911 /** 11912 * Get the "allow unknown sources" setting. 11913 * 11914 * @return the current "allow unknown sources" setting 11915 */ 11916 private int getUnknownSourcesSettings() { 11917 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 11918 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 11919 -1); 11920 } 11921 11922 @Override 11923 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11924 final int uid = Binder.getCallingUid(); 11925 // writer 11926 synchronized (mPackages) { 11927 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11928 if (targetPackageSetting == null) { 11929 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11930 } 11931 11932 PackageSetting installerPackageSetting; 11933 if (installerPackageName != null) { 11934 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11935 if (installerPackageSetting == null) { 11936 throw new IllegalArgumentException("Unknown installer package: " 11937 + installerPackageName); 11938 } 11939 } else { 11940 installerPackageSetting = null; 11941 } 11942 11943 Signature[] callerSignature; 11944 Object obj = mSettings.getUserIdLPr(uid); 11945 if (obj != null) { 11946 if (obj instanceof SharedUserSetting) { 11947 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11948 } else if (obj instanceof PackageSetting) { 11949 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11950 } else { 11951 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11952 } 11953 } else { 11954 throw new SecurityException("Unknown calling UID: " + uid); 11955 } 11956 11957 // Verify: can't set installerPackageName to a package that is 11958 // not signed with the same cert as the caller. 11959 if (installerPackageSetting != null) { 11960 if (compareSignatures(callerSignature, 11961 installerPackageSetting.signatures.mSignatures) 11962 != PackageManager.SIGNATURE_MATCH) { 11963 throw new SecurityException( 11964 "Caller does not have same cert as new installer package " 11965 + installerPackageName); 11966 } 11967 } 11968 11969 // Verify: if target already has an installer package, it must 11970 // be signed with the same cert as the caller. 11971 if (targetPackageSetting.installerPackageName != null) { 11972 PackageSetting setting = mSettings.mPackages.get( 11973 targetPackageSetting.installerPackageName); 11974 // If the currently set package isn't valid, then it's always 11975 // okay to change it. 11976 if (setting != null) { 11977 if (compareSignatures(callerSignature, 11978 setting.signatures.mSignatures) 11979 != PackageManager.SIGNATURE_MATCH) { 11980 throw new SecurityException( 11981 "Caller does not have same cert as old installer package " 11982 + targetPackageSetting.installerPackageName); 11983 } 11984 } 11985 } 11986 11987 // Okay! 11988 targetPackageSetting.installerPackageName = installerPackageName; 11989 if (installerPackageName != null) { 11990 mSettings.mInstallerPackages.add(installerPackageName); 11991 } 11992 scheduleWriteSettingsLocked(); 11993 } 11994 } 11995 11996 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11997 // Queue up an async operation since the package installation may take a little while. 11998 mHandler.post(new Runnable() { 11999 public void run() { 12000 mHandler.removeCallbacks(this); 12001 // Result object to be returned 12002 PackageInstalledInfo res = new PackageInstalledInfo(); 12003 res.setReturnCode(currentStatus); 12004 res.uid = -1; 12005 res.pkg = null; 12006 res.removedInfo = null; 12007 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12008 args.doPreInstall(res.returnCode); 12009 synchronized (mInstallLock) { 12010 installPackageTracedLI(args, res); 12011 } 12012 args.doPostInstall(res.returnCode, res.uid); 12013 } 12014 12015 // A restore should be performed at this point if (a) the install 12016 // succeeded, (b) the operation is not an update, and (c) the new 12017 // package has not opted out of backup participation. 12018 final boolean update = res.removedInfo != null 12019 && res.removedInfo.removedPackage != null; 12020 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12021 boolean doRestore = !update 12022 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12023 12024 // Set up the post-install work request bookkeeping. This will be used 12025 // and cleaned up by the post-install event handling regardless of whether 12026 // there's a restore pass performed. Token values are >= 1. 12027 int token; 12028 if (mNextInstallToken < 0) mNextInstallToken = 1; 12029 token = mNextInstallToken++; 12030 12031 PostInstallData data = new PostInstallData(args, res); 12032 mRunningInstalls.put(token, data); 12033 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12034 12035 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12036 // Pass responsibility to the Backup Manager. It will perform a 12037 // restore if appropriate, then pass responsibility back to the 12038 // Package Manager to run the post-install observer callbacks 12039 // and broadcasts. 12040 IBackupManager bm = IBackupManager.Stub.asInterface( 12041 ServiceManager.getService(Context.BACKUP_SERVICE)); 12042 if (bm != null) { 12043 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12044 + " to BM for possible restore"); 12045 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12046 try { 12047 // TODO: http://b/22388012 12048 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12049 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12050 } else { 12051 doRestore = false; 12052 } 12053 } catch (RemoteException e) { 12054 // can't happen; the backup manager is local 12055 } catch (Exception e) { 12056 Slog.e(TAG, "Exception trying to enqueue restore", e); 12057 doRestore = false; 12058 } 12059 } else { 12060 Slog.e(TAG, "Backup Manager not found!"); 12061 doRestore = false; 12062 } 12063 } 12064 12065 if (!doRestore) { 12066 // No restore possible, or the Backup Manager was mysteriously not 12067 // available -- just fire the post-install work request directly. 12068 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12069 12070 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12071 12072 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12073 mHandler.sendMessage(msg); 12074 } 12075 } 12076 }); 12077 } 12078 12079 private abstract class HandlerParams { 12080 private static final int MAX_RETRIES = 4; 12081 12082 /** 12083 * Number of times startCopy() has been attempted and had a non-fatal 12084 * error. 12085 */ 12086 private int mRetries = 0; 12087 12088 /** User handle for the user requesting the information or installation. */ 12089 private final UserHandle mUser; 12090 String traceMethod; 12091 int traceCookie; 12092 12093 HandlerParams(UserHandle user) { 12094 mUser = user; 12095 } 12096 12097 UserHandle getUser() { 12098 return mUser; 12099 } 12100 12101 HandlerParams setTraceMethod(String traceMethod) { 12102 this.traceMethod = traceMethod; 12103 return this; 12104 } 12105 12106 HandlerParams setTraceCookie(int traceCookie) { 12107 this.traceCookie = traceCookie; 12108 return this; 12109 } 12110 12111 final boolean startCopy() { 12112 boolean res; 12113 try { 12114 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12115 12116 if (++mRetries > MAX_RETRIES) { 12117 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12118 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12119 handleServiceError(); 12120 return false; 12121 } else { 12122 handleStartCopy(); 12123 res = true; 12124 } 12125 } catch (RemoteException e) { 12126 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12127 mHandler.sendEmptyMessage(MCS_RECONNECT); 12128 res = false; 12129 } 12130 handleReturnCode(); 12131 return res; 12132 } 12133 12134 final void serviceError() { 12135 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12136 handleServiceError(); 12137 handleReturnCode(); 12138 } 12139 12140 abstract void handleStartCopy() throws RemoteException; 12141 abstract void handleServiceError(); 12142 abstract void handleReturnCode(); 12143 } 12144 12145 class MeasureParams extends HandlerParams { 12146 private final PackageStats mStats; 12147 private boolean mSuccess; 12148 12149 private final IPackageStatsObserver mObserver; 12150 12151 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12152 super(new UserHandle(stats.userHandle)); 12153 mObserver = observer; 12154 mStats = stats; 12155 } 12156 12157 @Override 12158 public String toString() { 12159 return "MeasureParams{" 12160 + Integer.toHexString(System.identityHashCode(this)) 12161 + " " + mStats.packageName + "}"; 12162 } 12163 12164 @Override 12165 void handleStartCopy() throws RemoteException { 12166 synchronized (mInstallLock) { 12167 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12168 } 12169 12170 if (mSuccess) { 12171 final boolean mounted; 12172 if (Environment.isExternalStorageEmulated()) { 12173 mounted = true; 12174 } else { 12175 final String status = Environment.getExternalStorageState(); 12176 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12177 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12178 } 12179 12180 if (mounted) { 12181 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12182 12183 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12184 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12185 12186 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12187 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12188 12189 // Always subtract cache size, since it's a subdirectory 12190 mStats.externalDataSize -= mStats.externalCacheSize; 12191 12192 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12193 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12194 12195 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12196 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12197 } 12198 } 12199 } 12200 12201 @Override 12202 void handleReturnCode() { 12203 if (mObserver != null) { 12204 try { 12205 mObserver.onGetStatsCompleted(mStats, mSuccess); 12206 } catch (RemoteException e) { 12207 Slog.i(TAG, "Observer no longer exists."); 12208 } 12209 } 12210 } 12211 12212 @Override 12213 void handleServiceError() { 12214 Slog.e(TAG, "Could not measure application " + mStats.packageName 12215 + " external storage"); 12216 } 12217 } 12218 12219 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12220 throws RemoteException { 12221 long result = 0; 12222 for (File path : paths) { 12223 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12224 } 12225 return result; 12226 } 12227 12228 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12229 for (File path : paths) { 12230 try { 12231 mcs.clearDirectory(path.getAbsolutePath()); 12232 } catch (RemoteException e) { 12233 } 12234 } 12235 } 12236 12237 static class OriginInfo { 12238 /** 12239 * Location where install is coming from, before it has been 12240 * copied/renamed into place. This could be a single monolithic APK 12241 * file, or a cluster directory. This location may be untrusted. 12242 */ 12243 final File file; 12244 final String cid; 12245 12246 /** 12247 * Flag indicating that {@link #file} or {@link #cid} has already been 12248 * staged, meaning downstream users don't need to defensively copy the 12249 * contents. 12250 */ 12251 final boolean staged; 12252 12253 /** 12254 * Flag indicating that {@link #file} or {@link #cid} is an already 12255 * installed app that is being moved. 12256 */ 12257 final boolean existing; 12258 12259 final String resolvedPath; 12260 final File resolvedFile; 12261 12262 static OriginInfo fromNothing() { 12263 return new OriginInfo(null, null, false, false); 12264 } 12265 12266 static OriginInfo fromUntrustedFile(File file) { 12267 return new OriginInfo(file, null, false, false); 12268 } 12269 12270 static OriginInfo fromExistingFile(File file) { 12271 return new OriginInfo(file, null, false, true); 12272 } 12273 12274 static OriginInfo fromStagedFile(File file) { 12275 return new OriginInfo(file, null, true, false); 12276 } 12277 12278 static OriginInfo fromStagedContainer(String cid) { 12279 return new OriginInfo(null, cid, true, false); 12280 } 12281 12282 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12283 this.file = file; 12284 this.cid = cid; 12285 this.staged = staged; 12286 this.existing = existing; 12287 12288 if (cid != null) { 12289 resolvedPath = PackageHelper.getSdDir(cid); 12290 resolvedFile = new File(resolvedPath); 12291 } else if (file != null) { 12292 resolvedPath = file.getAbsolutePath(); 12293 resolvedFile = file; 12294 } else { 12295 resolvedPath = null; 12296 resolvedFile = null; 12297 } 12298 } 12299 } 12300 12301 static class MoveInfo { 12302 final int moveId; 12303 final String fromUuid; 12304 final String toUuid; 12305 final String packageName; 12306 final String dataAppName; 12307 final int appId; 12308 final String seinfo; 12309 final int targetSdkVersion; 12310 12311 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12312 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12313 this.moveId = moveId; 12314 this.fromUuid = fromUuid; 12315 this.toUuid = toUuid; 12316 this.packageName = packageName; 12317 this.dataAppName = dataAppName; 12318 this.appId = appId; 12319 this.seinfo = seinfo; 12320 this.targetSdkVersion = targetSdkVersion; 12321 } 12322 } 12323 12324 static class VerificationInfo { 12325 /** A constant used to indicate that a uid value is not present. */ 12326 public static final int NO_UID = -1; 12327 12328 /** URI referencing where the package was downloaded from. */ 12329 final Uri originatingUri; 12330 12331 /** HTTP referrer URI associated with the originatingURI. */ 12332 final Uri referrer; 12333 12334 /** UID of the application that the install request originated from. */ 12335 final int originatingUid; 12336 12337 /** UID of application requesting the install */ 12338 final int installerUid; 12339 12340 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12341 this.originatingUri = originatingUri; 12342 this.referrer = referrer; 12343 this.originatingUid = originatingUid; 12344 this.installerUid = installerUid; 12345 } 12346 } 12347 12348 class InstallParams extends HandlerParams { 12349 final OriginInfo origin; 12350 final MoveInfo move; 12351 final IPackageInstallObserver2 observer; 12352 int installFlags; 12353 final String installerPackageName; 12354 final String volumeUuid; 12355 private InstallArgs mArgs; 12356 private int mRet; 12357 final String packageAbiOverride; 12358 final String[] grantedRuntimePermissions; 12359 final VerificationInfo verificationInfo; 12360 final Certificate[][] certificates; 12361 12362 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12363 int installFlags, String installerPackageName, String volumeUuid, 12364 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12365 String[] grantedPermissions, Certificate[][] certificates) { 12366 super(user); 12367 this.origin = origin; 12368 this.move = move; 12369 this.observer = observer; 12370 this.installFlags = installFlags; 12371 this.installerPackageName = installerPackageName; 12372 this.volumeUuid = volumeUuid; 12373 this.verificationInfo = verificationInfo; 12374 this.packageAbiOverride = packageAbiOverride; 12375 this.grantedRuntimePermissions = grantedPermissions; 12376 this.certificates = certificates; 12377 } 12378 12379 @Override 12380 public String toString() { 12381 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12382 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12383 } 12384 12385 private int installLocationPolicy(PackageInfoLite pkgLite) { 12386 String packageName = pkgLite.packageName; 12387 int installLocation = pkgLite.installLocation; 12388 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12389 // reader 12390 synchronized (mPackages) { 12391 // Currently installed package which the new package is attempting to replace or 12392 // null if no such package is installed. 12393 PackageParser.Package installedPkg = mPackages.get(packageName); 12394 // Package which currently owns the data which the new package will own if installed. 12395 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12396 // will be null whereas dataOwnerPkg will contain information about the package 12397 // which was uninstalled while keeping its data. 12398 PackageParser.Package dataOwnerPkg = installedPkg; 12399 if (dataOwnerPkg == null) { 12400 PackageSetting ps = mSettings.mPackages.get(packageName); 12401 if (ps != null) { 12402 dataOwnerPkg = ps.pkg; 12403 } 12404 } 12405 12406 if (dataOwnerPkg != null) { 12407 // If installed, the package will get access to data left on the device by its 12408 // predecessor. As a security measure, this is permited only if this is not a 12409 // version downgrade or if the predecessor package is marked as debuggable and 12410 // a downgrade is explicitly requested. 12411 // 12412 // On debuggable platform builds, downgrades are permitted even for 12413 // non-debuggable packages to make testing easier. Debuggable platform builds do 12414 // not offer security guarantees and thus it's OK to disable some security 12415 // mechanisms to make debugging/testing easier on those builds. However, even on 12416 // debuggable builds downgrades of packages are permitted only if requested via 12417 // installFlags. This is because we aim to keep the behavior of debuggable 12418 // platform builds as close as possible to the behavior of non-debuggable 12419 // platform builds. 12420 final boolean downgradeRequested = 12421 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12422 final boolean packageDebuggable = 12423 (dataOwnerPkg.applicationInfo.flags 12424 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12425 final boolean downgradePermitted = 12426 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12427 if (!downgradePermitted) { 12428 try { 12429 checkDowngrade(dataOwnerPkg, pkgLite); 12430 } catch (PackageManagerException e) { 12431 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12432 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12433 } 12434 } 12435 } 12436 12437 if (installedPkg != null) { 12438 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12439 // Check for updated system application. 12440 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12441 if (onSd) { 12442 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12443 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12444 } 12445 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12446 } else { 12447 if (onSd) { 12448 // Install flag overrides everything. 12449 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12450 } 12451 // If current upgrade specifies particular preference 12452 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12453 // Application explicitly specified internal. 12454 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12455 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12456 // App explictly prefers external. Let policy decide 12457 } else { 12458 // Prefer previous location 12459 if (isExternal(installedPkg)) { 12460 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12461 } 12462 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12463 } 12464 } 12465 } else { 12466 // Invalid install. Return error code 12467 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12468 } 12469 } 12470 } 12471 // All the special cases have been taken care of. 12472 // Return result based on recommended install location. 12473 if (onSd) { 12474 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12475 } 12476 return pkgLite.recommendedInstallLocation; 12477 } 12478 12479 /* 12480 * Invoke remote method to get package information and install 12481 * location values. Override install location based on default 12482 * policy if needed and then create install arguments based 12483 * on the install location. 12484 */ 12485 public void handleStartCopy() throws RemoteException { 12486 int ret = PackageManager.INSTALL_SUCCEEDED; 12487 12488 // If we're already staged, we've firmly committed to an install location 12489 if (origin.staged) { 12490 if (origin.file != null) { 12491 installFlags |= PackageManager.INSTALL_INTERNAL; 12492 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12493 } else if (origin.cid != null) { 12494 installFlags |= PackageManager.INSTALL_EXTERNAL; 12495 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12496 } else { 12497 throw new IllegalStateException("Invalid stage location"); 12498 } 12499 } 12500 12501 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12502 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12503 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12504 PackageInfoLite pkgLite = null; 12505 12506 if (onInt && onSd) { 12507 // Check if both bits are set. 12508 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12509 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12510 } else if (onSd && ephemeral) { 12511 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12512 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12513 } else { 12514 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12515 packageAbiOverride); 12516 12517 if (DEBUG_EPHEMERAL && ephemeral) { 12518 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12519 } 12520 12521 /* 12522 * If we have too little free space, try to free cache 12523 * before giving up. 12524 */ 12525 if (!origin.staged && pkgLite.recommendedInstallLocation 12526 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12527 // TODO: focus freeing disk space on the target device 12528 final StorageManager storage = StorageManager.from(mContext); 12529 final long lowThreshold = storage.getStorageLowBytes( 12530 Environment.getDataDirectory()); 12531 12532 final long sizeBytes = mContainerService.calculateInstalledSize( 12533 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12534 12535 try { 12536 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12537 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12538 installFlags, packageAbiOverride); 12539 } catch (InstallerException e) { 12540 Slog.w(TAG, "Failed to free cache", e); 12541 } 12542 12543 /* 12544 * The cache free must have deleted the file we 12545 * downloaded to install. 12546 * 12547 * TODO: fix the "freeCache" call to not delete 12548 * the file we care about. 12549 */ 12550 if (pkgLite.recommendedInstallLocation 12551 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12552 pkgLite.recommendedInstallLocation 12553 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12554 } 12555 } 12556 } 12557 12558 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12559 int loc = pkgLite.recommendedInstallLocation; 12560 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12561 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12562 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12563 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12564 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12565 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12566 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12567 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12568 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12569 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12570 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12571 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12572 } else { 12573 // Override with defaults if needed. 12574 loc = installLocationPolicy(pkgLite); 12575 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12576 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12577 } else if (!onSd && !onInt) { 12578 // Override install location with flags 12579 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12580 // Set the flag to install on external media. 12581 installFlags |= PackageManager.INSTALL_EXTERNAL; 12582 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12583 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12584 if (DEBUG_EPHEMERAL) { 12585 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12586 } 12587 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12588 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12589 |PackageManager.INSTALL_INTERNAL); 12590 } else { 12591 // Make sure the flag for installing on external 12592 // media is unset 12593 installFlags |= PackageManager.INSTALL_INTERNAL; 12594 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12595 } 12596 } 12597 } 12598 } 12599 12600 final InstallArgs args = createInstallArgs(this); 12601 mArgs = args; 12602 12603 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12604 // TODO: http://b/22976637 12605 // Apps installed for "all" users use the device owner to verify the app 12606 UserHandle verifierUser = getUser(); 12607 if (verifierUser == UserHandle.ALL) { 12608 verifierUser = UserHandle.SYSTEM; 12609 } 12610 12611 /* 12612 * Determine if we have any installed package verifiers. If we 12613 * do, then we'll defer to them to verify the packages. 12614 */ 12615 final int requiredUid = mRequiredVerifierPackage == null ? -1 12616 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12617 verifierUser.getIdentifier()); 12618 if (!origin.existing && requiredUid != -1 12619 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12620 final Intent verification = new Intent( 12621 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12622 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12623 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12624 PACKAGE_MIME_TYPE); 12625 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12626 12627 // Query all live verifiers based on current user state 12628 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12629 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12630 12631 if (DEBUG_VERIFY) { 12632 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12633 + verification.toString() + " with " + pkgLite.verifiers.length 12634 + " optional verifiers"); 12635 } 12636 12637 final int verificationId = mPendingVerificationToken++; 12638 12639 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12640 12641 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12642 installerPackageName); 12643 12644 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12645 installFlags); 12646 12647 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12648 pkgLite.packageName); 12649 12650 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12651 pkgLite.versionCode); 12652 12653 if (verificationInfo != null) { 12654 if (verificationInfo.originatingUri != null) { 12655 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12656 verificationInfo.originatingUri); 12657 } 12658 if (verificationInfo.referrer != null) { 12659 verification.putExtra(Intent.EXTRA_REFERRER, 12660 verificationInfo.referrer); 12661 } 12662 if (verificationInfo.originatingUid >= 0) { 12663 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12664 verificationInfo.originatingUid); 12665 } 12666 if (verificationInfo.installerUid >= 0) { 12667 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12668 verificationInfo.installerUid); 12669 } 12670 } 12671 12672 final PackageVerificationState verificationState = new PackageVerificationState( 12673 requiredUid, args); 12674 12675 mPendingVerification.append(verificationId, verificationState); 12676 12677 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12678 receivers, verificationState); 12679 12680 /* 12681 * If any sufficient verifiers were listed in the package 12682 * manifest, attempt to ask them. 12683 */ 12684 if (sufficientVerifiers != null) { 12685 final int N = sufficientVerifiers.size(); 12686 if (N == 0) { 12687 Slog.i(TAG, "Additional verifiers required, but none installed."); 12688 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12689 } else { 12690 for (int i = 0; i < N; i++) { 12691 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12692 12693 final Intent sufficientIntent = new Intent(verification); 12694 sufficientIntent.setComponent(verifierComponent); 12695 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12696 } 12697 } 12698 } 12699 12700 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12701 mRequiredVerifierPackage, receivers); 12702 if (ret == PackageManager.INSTALL_SUCCEEDED 12703 && mRequiredVerifierPackage != null) { 12704 Trace.asyncTraceBegin( 12705 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12706 /* 12707 * Send the intent to the required verification agent, 12708 * but only start the verification timeout after the 12709 * target BroadcastReceivers have run. 12710 */ 12711 verification.setComponent(requiredVerifierComponent); 12712 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12713 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12714 new BroadcastReceiver() { 12715 @Override 12716 public void onReceive(Context context, Intent intent) { 12717 final Message msg = mHandler 12718 .obtainMessage(CHECK_PENDING_VERIFICATION); 12719 msg.arg1 = verificationId; 12720 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12721 } 12722 }, null, 0, null, null); 12723 12724 /* 12725 * We don't want the copy to proceed until verification 12726 * succeeds, so null out this field. 12727 */ 12728 mArgs = null; 12729 } 12730 } else { 12731 /* 12732 * No package verification is enabled, so immediately start 12733 * the remote call to initiate copy using temporary file. 12734 */ 12735 ret = args.copyApk(mContainerService, true); 12736 } 12737 } 12738 12739 mRet = ret; 12740 } 12741 12742 @Override 12743 void handleReturnCode() { 12744 // If mArgs is null, then MCS couldn't be reached. When it 12745 // reconnects, it will try again to install. At that point, this 12746 // will succeed. 12747 if (mArgs != null) { 12748 processPendingInstall(mArgs, mRet); 12749 } 12750 } 12751 12752 @Override 12753 void handleServiceError() { 12754 mArgs = createInstallArgs(this); 12755 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12756 } 12757 12758 public boolean isForwardLocked() { 12759 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12760 } 12761 } 12762 12763 /** 12764 * Used during creation of InstallArgs 12765 * 12766 * @param installFlags package installation flags 12767 * @return true if should be installed on external storage 12768 */ 12769 private static boolean installOnExternalAsec(int installFlags) { 12770 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12771 return false; 12772 } 12773 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12774 return true; 12775 } 12776 return false; 12777 } 12778 12779 /** 12780 * Used during creation of InstallArgs 12781 * 12782 * @param installFlags package installation flags 12783 * @return true if should be installed as forward locked 12784 */ 12785 private static boolean installForwardLocked(int installFlags) { 12786 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12787 } 12788 12789 private InstallArgs createInstallArgs(InstallParams params) { 12790 if (params.move != null) { 12791 return new MoveInstallArgs(params); 12792 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12793 return new AsecInstallArgs(params); 12794 } else { 12795 return new FileInstallArgs(params); 12796 } 12797 } 12798 12799 /** 12800 * Create args that describe an existing installed package. Typically used 12801 * when cleaning up old installs, or used as a move source. 12802 */ 12803 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12804 String resourcePath, String[] instructionSets) { 12805 final boolean isInAsec; 12806 if (installOnExternalAsec(installFlags)) { 12807 /* Apps on SD card are always in ASEC containers. */ 12808 isInAsec = true; 12809 } else if (installForwardLocked(installFlags) 12810 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12811 /* 12812 * Forward-locked apps are only in ASEC containers if they're the 12813 * new style 12814 */ 12815 isInAsec = true; 12816 } else { 12817 isInAsec = false; 12818 } 12819 12820 if (isInAsec) { 12821 return new AsecInstallArgs(codePath, instructionSets, 12822 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12823 } else { 12824 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12825 } 12826 } 12827 12828 static abstract class InstallArgs { 12829 /** @see InstallParams#origin */ 12830 final OriginInfo origin; 12831 /** @see InstallParams#move */ 12832 final MoveInfo move; 12833 12834 final IPackageInstallObserver2 observer; 12835 // Always refers to PackageManager flags only 12836 final int installFlags; 12837 final String installerPackageName; 12838 final String volumeUuid; 12839 final UserHandle user; 12840 final String abiOverride; 12841 final String[] installGrantPermissions; 12842 /** If non-null, drop an async trace when the install completes */ 12843 final String traceMethod; 12844 final int traceCookie; 12845 final Certificate[][] certificates; 12846 12847 // The list of instruction sets supported by this app. This is currently 12848 // only used during the rmdex() phase to clean up resources. We can get rid of this 12849 // if we move dex files under the common app path. 12850 /* nullable */ String[] instructionSets; 12851 12852 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12853 int installFlags, String installerPackageName, String volumeUuid, 12854 UserHandle user, String[] instructionSets, 12855 String abiOverride, String[] installGrantPermissions, 12856 String traceMethod, int traceCookie, Certificate[][] certificates) { 12857 this.origin = origin; 12858 this.move = move; 12859 this.installFlags = installFlags; 12860 this.observer = observer; 12861 this.installerPackageName = installerPackageName; 12862 this.volumeUuid = volumeUuid; 12863 this.user = user; 12864 this.instructionSets = instructionSets; 12865 this.abiOverride = abiOverride; 12866 this.installGrantPermissions = installGrantPermissions; 12867 this.traceMethod = traceMethod; 12868 this.traceCookie = traceCookie; 12869 this.certificates = certificates; 12870 } 12871 12872 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12873 abstract int doPreInstall(int status); 12874 12875 /** 12876 * Rename package into final resting place. All paths on the given 12877 * scanned package should be updated to reflect the rename. 12878 */ 12879 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12880 abstract int doPostInstall(int status, int uid); 12881 12882 /** @see PackageSettingBase#codePathString */ 12883 abstract String getCodePath(); 12884 /** @see PackageSettingBase#resourcePathString */ 12885 abstract String getResourcePath(); 12886 12887 // Need installer lock especially for dex file removal. 12888 abstract void cleanUpResourcesLI(); 12889 abstract boolean doPostDeleteLI(boolean delete); 12890 12891 /** 12892 * Called before the source arguments are copied. This is used mostly 12893 * for MoveParams when it needs to read the source file to put it in the 12894 * destination. 12895 */ 12896 int doPreCopy() { 12897 return PackageManager.INSTALL_SUCCEEDED; 12898 } 12899 12900 /** 12901 * Called after the source arguments are copied. This is used mostly for 12902 * MoveParams when it needs to read the source file to put it in the 12903 * destination. 12904 */ 12905 int doPostCopy(int uid) { 12906 return PackageManager.INSTALL_SUCCEEDED; 12907 } 12908 12909 protected boolean isFwdLocked() { 12910 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12911 } 12912 12913 protected boolean isExternalAsec() { 12914 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12915 } 12916 12917 protected boolean isEphemeral() { 12918 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12919 } 12920 12921 UserHandle getUser() { 12922 return user; 12923 } 12924 } 12925 12926 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12927 if (!allCodePaths.isEmpty()) { 12928 if (instructionSets == null) { 12929 throw new IllegalStateException("instructionSet == null"); 12930 } 12931 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12932 for (String codePath : allCodePaths) { 12933 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12934 try { 12935 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12936 } catch (InstallerException ignored) { 12937 } 12938 } 12939 } 12940 } 12941 } 12942 12943 /** 12944 * Logic to handle installation of non-ASEC applications, including copying 12945 * and renaming logic. 12946 */ 12947 class FileInstallArgs extends InstallArgs { 12948 private File codeFile; 12949 private File resourceFile; 12950 12951 // Example topology: 12952 // /data/app/com.example/base.apk 12953 // /data/app/com.example/split_foo.apk 12954 // /data/app/com.example/lib/arm/libfoo.so 12955 // /data/app/com.example/lib/arm64/libfoo.so 12956 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12957 12958 /** New install */ 12959 FileInstallArgs(InstallParams params) { 12960 super(params.origin, params.move, params.observer, params.installFlags, 12961 params.installerPackageName, params.volumeUuid, 12962 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 12963 params.grantedRuntimePermissions, 12964 params.traceMethod, params.traceCookie, params.certificates); 12965 if (isFwdLocked()) { 12966 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12967 } 12968 } 12969 12970 /** Existing install */ 12971 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12972 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12973 null, null, null, 0, null /*certificates*/); 12974 this.codeFile = (codePath != null) ? new File(codePath) : null; 12975 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12976 } 12977 12978 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12979 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12980 try { 12981 return doCopyApk(imcs, temp); 12982 } finally { 12983 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12984 } 12985 } 12986 12987 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12988 if (origin.staged) { 12989 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12990 codeFile = origin.file; 12991 resourceFile = origin.file; 12992 return PackageManager.INSTALL_SUCCEEDED; 12993 } 12994 12995 try { 12996 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12997 final File tempDir = 12998 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12999 codeFile = tempDir; 13000 resourceFile = tempDir; 13001 } catch (IOException e) { 13002 Slog.w(TAG, "Failed to create copy file: " + e); 13003 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13004 } 13005 13006 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13007 @Override 13008 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13009 if (!FileUtils.isValidExtFilename(name)) { 13010 throw new IllegalArgumentException("Invalid filename: " + name); 13011 } 13012 try { 13013 final File file = new File(codeFile, name); 13014 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13015 O_RDWR | O_CREAT, 0644); 13016 Os.chmod(file.getAbsolutePath(), 0644); 13017 return new ParcelFileDescriptor(fd); 13018 } catch (ErrnoException e) { 13019 throw new RemoteException("Failed to open: " + e.getMessage()); 13020 } 13021 } 13022 }; 13023 13024 int ret = PackageManager.INSTALL_SUCCEEDED; 13025 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13026 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13027 Slog.e(TAG, "Failed to copy package"); 13028 return ret; 13029 } 13030 13031 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13032 NativeLibraryHelper.Handle handle = null; 13033 try { 13034 handle = NativeLibraryHelper.Handle.create(codeFile); 13035 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13036 abiOverride); 13037 } catch (IOException e) { 13038 Slog.e(TAG, "Copying native libraries failed", e); 13039 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13040 } finally { 13041 IoUtils.closeQuietly(handle); 13042 } 13043 13044 return ret; 13045 } 13046 13047 int doPreInstall(int status) { 13048 if (status != PackageManager.INSTALL_SUCCEEDED) { 13049 cleanUp(); 13050 } 13051 return status; 13052 } 13053 13054 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13055 if (status != PackageManager.INSTALL_SUCCEEDED) { 13056 cleanUp(); 13057 return false; 13058 } 13059 13060 final File targetDir = codeFile.getParentFile(); 13061 final File beforeCodeFile = codeFile; 13062 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13063 13064 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13065 try { 13066 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13067 } catch (ErrnoException e) { 13068 Slog.w(TAG, "Failed to rename", e); 13069 return false; 13070 } 13071 13072 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13073 Slog.w(TAG, "Failed to restorecon"); 13074 return false; 13075 } 13076 13077 // Reflect the rename internally 13078 codeFile = afterCodeFile; 13079 resourceFile = afterCodeFile; 13080 13081 // Reflect the rename in scanned details 13082 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13083 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13084 afterCodeFile, pkg.baseCodePath)); 13085 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13086 afterCodeFile, pkg.splitCodePaths)); 13087 13088 // Reflect the rename in app info 13089 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13090 pkg.setApplicationInfoCodePath(pkg.codePath); 13091 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13092 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13093 pkg.setApplicationInfoResourcePath(pkg.codePath); 13094 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13095 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13096 13097 return true; 13098 } 13099 13100 int doPostInstall(int status, int uid) { 13101 if (status != PackageManager.INSTALL_SUCCEEDED) { 13102 cleanUp(); 13103 } 13104 return status; 13105 } 13106 13107 @Override 13108 String getCodePath() { 13109 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13110 } 13111 13112 @Override 13113 String getResourcePath() { 13114 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13115 } 13116 13117 private boolean cleanUp() { 13118 if (codeFile == null || !codeFile.exists()) { 13119 return false; 13120 } 13121 13122 removeCodePathLI(codeFile); 13123 13124 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13125 resourceFile.delete(); 13126 } 13127 13128 return true; 13129 } 13130 13131 void cleanUpResourcesLI() { 13132 // Try enumerating all code paths before deleting 13133 List<String> allCodePaths = Collections.EMPTY_LIST; 13134 if (codeFile != null && codeFile.exists()) { 13135 try { 13136 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13137 allCodePaths = pkg.getAllCodePaths(); 13138 } catch (PackageParserException e) { 13139 // Ignored; we tried our best 13140 } 13141 } 13142 13143 cleanUp(); 13144 removeDexFiles(allCodePaths, instructionSets); 13145 } 13146 13147 boolean doPostDeleteLI(boolean delete) { 13148 // XXX err, shouldn't we respect the delete flag? 13149 cleanUpResourcesLI(); 13150 return true; 13151 } 13152 } 13153 13154 private boolean isAsecExternal(String cid) { 13155 final String asecPath = PackageHelper.getSdFilesystem(cid); 13156 return !asecPath.startsWith(mAsecInternalPath); 13157 } 13158 13159 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13160 PackageManagerException { 13161 if (copyRet < 0) { 13162 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13163 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13164 throw new PackageManagerException(copyRet, message); 13165 } 13166 } 13167 } 13168 13169 /** 13170 * Extract the MountService "container ID" from the full code path of an 13171 * .apk. 13172 */ 13173 static String cidFromCodePath(String fullCodePath) { 13174 int eidx = fullCodePath.lastIndexOf("/"); 13175 String subStr1 = fullCodePath.substring(0, eidx); 13176 int sidx = subStr1.lastIndexOf("/"); 13177 return subStr1.substring(sidx+1, eidx); 13178 } 13179 13180 /** 13181 * Logic to handle installation of ASEC applications, including copying and 13182 * renaming logic. 13183 */ 13184 class AsecInstallArgs extends InstallArgs { 13185 static final String RES_FILE_NAME = "pkg.apk"; 13186 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13187 13188 String cid; 13189 String packagePath; 13190 String resourcePath; 13191 13192 /** New install */ 13193 AsecInstallArgs(InstallParams params) { 13194 super(params.origin, params.move, params.observer, params.installFlags, 13195 params.installerPackageName, params.volumeUuid, 13196 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13197 params.grantedRuntimePermissions, 13198 params.traceMethod, params.traceCookie, params.certificates); 13199 } 13200 13201 /** Existing install */ 13202 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13203 boolean isExternal, boolean isForwardLocked) { 13204 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13205 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13206 instructionSets, null, null, null, 0, null /*certificates*/); 13207 // Hackily pretend we're still looking at a full code path 13208 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13209 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13210 } 13211 13212 // Extract cid from fullCodePath 13213 int eidx = fullCodePath.lastIndexOf("/"); 13214 String subStr1 = fullCodePath.substring(0, eidx); 13215 int sidx = subStr1.lastIndexOf("/"); 13216 cid = subStr1.substring(sidx+1, eidx); 13217 setMountPath(subStr1); 13218 } 13219 13220 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13221 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13222 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13223 instructionSets, null, null, null, 0, null /*certificates*/); 13224 this.cid = cid; 13225 setMountPath(PackageHelper.getSdDir(cid)); 13226 } 13227 13228 void createCopyFile() { 13229 cid = mInstallerService.allocateExternalStageCidLegacy(); 13230 } 13231 13232 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13233 if (origin.staged && origin.cid != null) { 13234 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13235 cid = origin.cid; 13236 setMountPath(PackageHelper.getSdDir(cid)); 13237 return PackageManager.INSTALL_SUCCEEDED; 13238 } 13239 13240 if (temp) { 13241 createCopyFile(); 13242 } else { 13243 /* 13244 * Pre-emptively destroy the container since it's destroyed if 13245 * copying fails due to it existing anyway. 13246 */ 13247 PackageHelper.destroySdDir(cid); 13248 } 13249 13250 final String newMountPath = imcs.copyPackageToContainer( 13251 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13252 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13253 13254 if (newMountPath != null) { 13255 setMountPath(newMountPath); 13256 return PackageManager.INSTALL_SUCCEEDED; 13257 } else { 13258 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13259 } 13260 } 13261 13262 @Override 13263 String getCodePath() { 13264 return packagePath; 13265 } 13266 13267 @Override 13268 String getResourcePath() { 13269 return resourcePath; 13270 } 13271 13272 int doPreInstall(int status) { 13273 if (status != PackageManager.INSTALL_SUCCEEDED) { 13274 // Destroy container 13275 PackageHelper.destroySdDir(cid); 13276 } else { 13277 boolean mounted = PackageHelper.isContainerMounted(cid); 13278 if (!mounted) { 13279 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13280 Process.SYSTEM_UID); 13281 if (newMountPath != null) { 13282 setMountPath(newMountPath); 13283 } else { 13284 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13285 } 13286 } 13287 } 13288 return status; 13289 } 13290 13291 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13292 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13293 String newMountPath = null; 13294 if (PackageHelper.isContainerMounted(cid)) { 13295 // Unmount the container 13296 if (!PackageHelper.unMountSdDir(cid)) { 13297 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13298 return false; 13299 } 13300 } 13301 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13302 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13303 " which might be stale. Will try to clean up."); 13304 // Clean up the stale container and proceed to recreate. 13305 if (!PackageHelper.destroySdDir(newCacheId)) { 13306 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13307 return false; 13308 } 13309 // Successfully cleaned up stale container. Try to rename again. 13310 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13311 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13312 + " inspite of cleaning it up."); 13313 return false; 13314 } 13315 } 13316 if (!PackageHelper.isContainerMounted(newCacheId)) { 13317 Slog.w(TAG, "Mounting container " + newCacheId); 13318 newMountPath = PackageHelper.mountSdDir(newCacheId, 13319 getEncryptKey(), Process.SYSTEM_UID); 13320 } else { 13321 newMountPath = PackageHelper.getSdDir(newCacheId); 13322 } 13323 if (newMountPath == null) { 13324 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13325 return false; 13326 } 13327 Log.i(TAG, "Succesfully renamed " + cid + 13328 " to " + newCacheId + 13329 " at new path: " + newMountPath); 13330 cid = newCacheId; 13331 13332 final File beforeCodeFile = new File(packagePath); 13333 setMountPath(newMountPath); 13334 final File afterCodeFile = new File(packagePath); 13335 13336 // Reflect the rename in scanned details 13337 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13338 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13339 afterCodeFile, pkg.baseCodePath)); 13340 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13341 afterCodeFile, pkg.splitCodePaths)); 13342 13343 // Reflect the rename in app info 13344 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13345 pkg.setApplicationInfoCodePath(pkg.codePath); 13346 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13347 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13348 pkg.setApplicationInfoResourcePath(pkg.codePath); 13349 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13350 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13351 13352 return true; 13353 } 13354 13355 private void setMountPath(String mountPath) { 13356 final File mountFile = new File(mountPath); 13357 13358 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13359 if (monolithicFile.exists()) { 13360 packagePath = monolithicFile.getAbsolutePath(); 13361 if (isFwdLocked()) { 13362 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13363 } else { 13364 resourcePath = packagePath; 13365 } 13366 } else { 13367 packagePath = mountFile.getAbsolutePath(); 13368 resourcePath = packagePath; 13369 } 13370 } 13371 13372 int doPostInstall(int status, int uid) { 13373 if (status != PackageManager.INSTALL_SUCCEEDED) { 13374 cleanUp(); 13375 } else { 13376 final int groupOwner; 13377 final String protectedFile; 13378 if (isFwdLocked()) { 13379 groupOwner = UserHandle.getSharedAppGid(uid); 13380 protectedFile = RES_FILE_NAME; 13381 } else { 13382 groupOwner = -1; 13383 protectedFile = null; 13384 } 13385 13386 if (uid < Process.FIRST_APPLICATION_UID 13387 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13388 Slog.e(TAG, "Failed to finalize " + cid); 13389 PackageHelper.destroySdDir(cid); 13390 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13391 } 13392 13393 boolean mounted = PackageHelper.isContainerMounted(cid); 13394 if (!mounted) { 13395 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13396 } 13397 } 13398 return status; 13399 } 13400 13401 private void cleanUp() { 13402 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13403 13404 // Destroy secure container 13405 PackageHelper.destroySdDir(cid); 13406 } 13407 13408 private List<String> getAllCodePaths() { 13409 final File codeFile = new File(getCodePath()); 13410 if (codeFile != null && codeFile.exists()) { 13411 try { 13412 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13413 return pkg.getAllCodePaths(); 13414 } catch (PackageParserException e) { 13415 // Ignored; we tried our best 13416 } 13417 } 13418 return Collections.EMPTY_LIST; 13419 } 13420 13421 void cleanUpResourcesLI() { 13422 // Enumerate all code paths before deleting 13423 cleanUpResourcesLI(getAllCodePaths()); 13424 } 13425 13426 private void cleanUpResourcesLI(List<String> allCodePaths) { 13427 cleanUp(); 13428 removeDexFiles(allCodePaths, instructionSets); 13429 } 13430 13431 String getPackageName() { 13432 return getAsecPackageName(cid); 13433 } 13434 13435 boolean doPostDeleteLI(boolean delete) { 13436 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13437 final List<String> allCodePaths = getAllCodePaths(); 13438 boolean mounted = PackageHelper.isContainerMounted(cid); 13439 if (mounted) { 13440 // Unmount first 13441 if (PackageHelper.unMountSdDir(cid)) { 13442 mounted = false; 13443 } 13444 } 13445 if (!mounted && delete) { 13446 cleanUpResourcesLI(allCodePaths); 13447 } 13448 return !mounted; 13449 } 13450 13451 @Override 13452 int doPreCopy() { 13453 if (isFwdLocked()) { 13454 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13455 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13456 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13457 } 13458 } 13459 13460 return PackageManager.INSTALL_SUCCEEDED; 13461 } 13462 13463 @Override 13464 int doPostCopy(int uid) { 13465 if (isFwdLocked()) { 13466 if (uid < Process.FIRST_APPLICATION_UID 13467 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13468 RES_FILE_NAME)) { 13469 Slog.e(TAG, "Failed to finalize " + cid); 13470 PackageHelper.destroySdDir(cid); 13471 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13472 } 13473 } 13474 13475 return PackageManager.INSTALL_SUCCEEDED; 13476 } 13477 } 13478 13479 /** 13480 * Logic to handle movement of existing installed applications. 13481 */ 13482 class MoveInstallArgs extends InstallArgs { 13483 private File codeFile; 13484 private File resourceFile; 13485 13486 /** New install */ 13487 MoveInstallArgs(InstallParams params) { 13488 super(params.origin, params.move, params.observer, params.installFlags, 13489 params.installerPackageName, params.volumeUuid, 13490 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13491 params.grantedRuntimePermissions, 13492 params.traceMethod, params.traceCookie, params.certificates); 13493 } 13494 13495 int copyApk(IMediaContainerService imcs, boolean temp) { 13496 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13497 + move.fromUuid + " to " + move.toUuid); 13498 synchronized (mInstaller) { 13499 try { 13500 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13501 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13502 } catch (InstallerException e) { 13503 Slog.w(TAG, "Failed to move app", e); 13504 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13505 } 13506 } 13507 13508 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13509 resourceFile = codeFile; 13510 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13511 13512 return PackageManager.INSTALL_SUCCEEDED; 13513 } 13514 13515 int doPreInstall(int status) { 13516 if (status != PackageManager.INSTALL_SUCCEEDED) { 13517 cleanUp(move.toUuid); 13518 } 13519 return status; 13520 } 13521 13522 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13523 if (status != PackageManager.INSTALL_SUCCEEDED) { 13524 cleanUp(move.toUuid); 13525 return false; 13526 } 13527 13528 // Reflect the move in app info 13529 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13530 pkg.setApplicationInfoCodePath(pkg.codePath); 13531 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13532 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13533 pkg.setApplicationInfoResourcePath(pkg.codePath); 13534 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13535 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13536 13537 return true; 13538 } 13539 13540 int doPostInstall(int status, int uid) { 13541 if (status == PackageManager.INSTALL_SUCCEEDED) { 13542 cleanUp(move.fromUuid); 13543 } else { 13544 cleanUp(move.toUuid); 13545 } 13546 return status; 13547 } 13548 13549 @Override 13550 String getCodePath() { 13551 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13552 } 13553 13554 @Override 13555 String getResourcePath() { 13556 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13557 } 13558 13559 private boolean cleanUp(String volumeUuid) { 13560 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13561 move.dataAppName); 13562 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13563 final int[] userIds = sUserManager.getUserIds(); 13564 synchronized (mInstallLock) { 13565 // Clean up both app data and code 13566 // All package moves are frozen until finished 13567 for (int userId : userIds) { 13568 try { 13569 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13570 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13571 } catch (InstallerException e) { 13572 Slog.w(TAG, String.valueOf(e)); 13573 } 13574 } 13575 removeCodePathLI(codeFile); 13576 } 13577 return true; 13578 } 13579 13580 void cleanUpResourcesLI() { 13581 throw new UnsupportedOperationException(); 13582 } 13583 13584 boolean doPostDeleteLI(boolean delete) { 13585 throw new UnsupportedOperationException(); 13586 } 13587 } 13588 13589 static String getAsecPackageName(String packageCid) { 13590 int idx = packageCid.lastIndexOf("-"); 13591 if (idx == -1) { 13592 return packageCid; 13593 } 13594 return packageCid.substring(0, idx); 13595 } 13596 13597 // Utility method used to create code paths based on package name and available index. 13598 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13599 String idxStr = ""; 13600 int idx = 1; 13601 // Fall back to default value of idx=1 if prefix is not 13602 // part of oldCodePath 13603 if (oldCodePath != null) { 13604 String subStr = oldCodePath; 13605 // Drop the suffix right away 13606 if (suffix != null && subStr.endsWith(suffix)) { 13607 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13608 } 13609 // If oldCodePath already contains prefix find out the 13610 // ending index to either increment or decrement. 13611 int sidx = subStr.lastIndexOf(prefix); 13612 if (sidx != -1) { 13613 subStr = subStr.substring(sidx + prefix.length()); 13614 if (subStr != null) { 13615 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13616 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13617 } 13618 try { 13619 idx = Integer.parseInt(subStr); 13620 if (idx <= 1) { 13621 idx++; 13622 } else { 13623 idx--; 13624 } 13625 } catch(NumberFormatException e) { 13626 } 13627 } 13628 } 13629 } 13630 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13631 return prefix + idxStr; 13632 } 13633 13634 private File getNextCodePath(File targetDir, String packageName) { 13635 int suffix = 1; 13636 File result; 13637 do { 13638 result = new File(targetDir, packageName + "-" + suffix); 13639 suffix++; 13640 } while (result.exists()); 13641 return result; 13642 } 13643 13644 // Utility method that returns the relative package path with respect 13645 // to the installation directory. Like say for /data/data/com.test-1.apk 13646 // string com.test-1 is returned. 13647 static String deriveCodePathName(String codePath) { 13648 if (codePath == null) { 13649 return null; 13650 } 13651 final File codeFile = new File(codePath); 13652 final String name = codeFile.getName(); 13653 if (codeFile.isDirectory()) { 13654 return name; 13655 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13656 final int lastDot = name.lastIndexOf('.'); 13657 return name.substring(0, lastDot); 13658 } else { 13659 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13660 return null; 13661 } 13662 } 13663 13664 static class PackageInstalledInfo { 13665 String name; 13666 int uid; 13667 // The set of users that originally had this package installed. 13668 int[] origUsers; 13669 // The set of users that now have this package installed. 13670 int[] newUsers; 13671 PackageParser.Package pkg; 13672 int returnCode; 13673 String returnMsg; 13674 PackageRemovedInfo removedInfo; 13675 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13676 13677 public void setError(int code, String msg) { 13678 setReturnCode(code); 13679 setReturnMessage(msg); 13680 Slog.w(TAG, msg); 13681 } 13682 13683 public void setError(String msg, PackageParserException e) { 13684 setReturnCode(e.error); 13685 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13686 Slog.w(TAG, msg, e); 13687 } 13688 13689 public void setError(String msg, PackageManagerException e) { 13690 returnCode = e.error; 13691 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13692 Slog.w(TAG, msg, e); 13693 } 13694 13695 public void setReturnCode(int returnCode) { 13696 this.returnCode = returnCode; 13697 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13698 for (int i = 0; i < childCount; i++) { 13699 addedChildPackages.valueAt(i).returnCode = returnCode; 13700 } 13701 } 13702 13703 private void setReturnMessage(String returnMsg) { 13704 this.returnMsg = returnMsg; 13705 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13706 for (int i = 0; i < childCount; i++) { 13707 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13708 } 13709 } 13710 13711 // In some error cases we want to convey more info back to the observer 13712 String origPackage; 13713 String origPermission; 13714 } 13715 13716 /* 13717 * Install a non-existing package. 13718 */ 13719 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13720 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13721 PackageInstalledInfo res) { 13722 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13723 13724 // Remember this for later, in case we need to rollback this install 13725 String pkgName = pkg.packageName; 13726 13727 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13728 13729 synchronized(mPackages) { 13730 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13731 // A package with the same name is already installed, though 13732 // it has been renamed to an older name. The package we 13733 // are trying to install should be installed as an update to 13734 // the existing one, but that has not been requested, so bail. 13735 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13736 + " without first uninstalling package running as " 13737 + mSettings.mRenamedPackages.get(pkgName)); 13738 return; 13739 } 13740 if (mPackages.containsKey(pkgName)) { 13741 // Don't allow installation over an existing package with the same name. 13742 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13743 + " without first uninstalling."); 13744 return; 13745 } 13746 } 13747 13748 try { 13749 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13750 System.currentTimeMillis(), user); 13751 13752 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13753 13754 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13755 prepareAppDataAfterInstallLIF(newPackage); 13756 13757 } else { 13758 // Remove package from internal structures, but keep around any 13759 // data that might have already existed 13760 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13761 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13762 } 13763 } catch (PackageManagerException e) { 13764 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13765 } 13766 13767 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13768 } 13769 13770 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13771 // Can't rotate keys during boot or if sharedUser. 13772 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13773 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13774 return false; 13775 } 13776 // app is using upgradeKeySets; make sure all are valid 13777 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13778 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13779 for (int i = 0; i < upgradeKeySets.length; i++) { 13780 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13781 Slog.wtf(TAG, "Package " 13782 + (oldPs.name != null ? oldPs.name : "<null>") 13783 + " contains upgrade-key-set reference to unknown key-set: " 13784 + upgradeKeySets[i] 13785 + " reverting to signatures check."); 13786 return false; 13787 } 13788 } 13789 return true; 13790 } 13791 13792 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13793 // Upgrade keysets are being used. Determine if new package has a superset of the 13794 // required keys. 13795 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13796 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13797 for (int i = 0; i < upgradeKeySets.length; i++) { 13798 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13799 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13800 return true; 13801 } 13802 } 13803 return false; 13804 } 13805 13806 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 13807 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13808 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13809 13810 final PackageParser.Package oldPackage; 13811 final String pkgName = pkg.packageName; 13812 final int[] allUsers; 13813 final int[] installedUsers; 13814 13815 synchronized(mPackages) { 13816 oldPackage = mPackages.get(pkgName); 13817 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13818 13819 // don't allow upgrade to target a release SDK from a pre-release SDK 13820 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 13821 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13822 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 13823 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13824 if (oldTargetsPreRelease 13825 && !newTargetsPreRelease 13826 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 13827 Slog.w(TAG, "Can't install package targeting released sdk"); 13828 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 13829 return; 13830 } 13831 13832 // don't allow an upgrade from full to ephemeral 13833 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13834 if (isEphemeral && !oldIsEphemeral) { 13835 // can't downgrade from full to ephemeral 13836 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13837 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13838 return; 13839 } 13840 13841 // verify signatures are valid 13842 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13843 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13844 if (!checkUpgradeKeySetLP(ps, pkg)) { 13845 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13846 "New package not signed by keys specified by upgrade-keysets: " 13847 + pkgName); 13848 return; 13849 } 13850 } else { 13851 // default to original signature matching 13852 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13853 != PackageManager.SIGNATURE_MATCH) { 13854 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13855 "New package has a different signature: " + pkgName); 13856 return; 13857 } 13858 } 13859 13860 // Check for shared user id changes 13861 String invalidPackageName = 13862 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 13863 if (invalidPackageName != null) { 13864 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13865 "Package " + invalidPackageName + " tried to change user " 13866 + oldPackage.mSharedUserId); 13867 return; 13868 } 13869 13870 // In case of rollback, remember per-user/profile install state 13871 allUsers = sUserManager.getUserIds(); 13872 installedUsers = ps.queryInstalledUsers(allUsers, true); 13873 } 13874 13875 // Update what is removed 13876 res.removedInfo = new PackageRemovedInfo(); 13877 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13878 res.removedInfo.removedPackage = oldPackage.packageName; 13879 res.removedInfo.isUpdate = true; 13880 res.removedInfo.origUsers = installedUsers; 13881 final int childCount = (oldPackage.childPackages != null) 13882 ? oldPackage.childPackages.size() : 0; 13883 for (int i = 0; i < childCount; i++) { 13884 boolean childPackageUpdated = false; 13885 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13886 if (res.addedChildPackages != null) { 13887 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13888 if (childRes != null) { 13889 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13890 childRes.removedInfo.removedPackage = childPkg.packageName; 13891 childRes.removedInfo.isUpdate = true; 13892 childPackageUpdated = true; 13893 } 13894 } 13895 if (!childPackageUpdated) { 13896 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13897 childRemovedRes.removedPackage = childPkg.packageName; 13898 childRemovedRes.isUpdate = false; 13899 childRemovedRes.dataRemoved = true; 13900 synchronized (mPackages) { 13901 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13902 if (childPs != null) { 13903 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13904 } 13905 } 13906 if (res.removedInfo.removedChildPackages == null) { 13907 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13908 } 13909 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13910 } 13911 } 13912 13913 boolean sysPkg = (isSystemApp(oldPackage)); 13914 if (sysPkg) { 13915 // Set the system/privileged flags as needed 13916 final boolean privileged = 13917 (oldPackage.applicationInfo.privateFlags 13918 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13919 final int systemPolicyFlags = policyFlags 13920 | PackageParser.PARSE_IS_SYSTEM 13921 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 13922 13923 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 13924 user, allUsers, installerPackageName, res); 13925 } else { 13926 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 13927 user, allUsers, installerPackageName, res); 13928 } 13929 } 13930 13931 public List<String> getPreviousCodePaths(String packageName) { 13932 final PackageSetting ps = mSettings.mPackages.get(packageName); 13933 final List<String> result = new ArrayList<String>(); 13934 if (ps != null && ps.oldCodePaths != null) { 13935 result.addAll(ps.oldCodePaths); 13936 } 13937 return result; 13938 } 13939 13940 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 13941 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 13942 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13943 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13944 + deletedPackage); 13945 13946 String pkgName = deletedPackage.packageName; 13947 boolean deletedPkg = true; 13948 boolean addedPkg = false; 13949 boolean updatedSettings = false; 13950 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13951 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13952 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13953 13954 final long origUpdateTime = (pkg.mExtras != null) 13955 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13956 13957 // First delete the existing package while retaining the data directory 13958 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 13959 res.removedInfo, true, pkg)) { 13960 // If the existing package wasn't successfully deleted 13961 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13962 deletedPkg = false; 13963 } else { 13964 // Successfully deleted the old package; proceed with replace. 13965 13966 // If deleted package lived in a container, give users a chance to 13967 // relinquish resources before killing. 13968 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13969 if (DEBUG_INSTALL) { 13970 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13971 } 13972 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13973 final ArrayList<String> pkgList = new ArrayList<String>(1); 13974 pkgList.add(deletedPackage.applicationInfo.packageName); 13975 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13976 } 13977 13978 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 13979 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 13980 clearAppProfilesLIF(pkg); 13981 13982 try { 13983 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 13984 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13985 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13986 13987 // Update the in-memory copy of the previous code paths. 13988 PackageSetting ps = mSettings.mPackages.get(pkgName); 13989 if (!killApp) { 13990 if (ps.oldCodePaths == null) { 13991 ps.oldCodePaths = new ArraySet<>(); 13992 } 13993 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13994 if (deletedPackage.splitCodePaths != null) { 13995 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13996 } 13997 } else { 13998 ps.oldCodePaths = null; 13999 } 14000 if (ps.childPackageNames != null) { 14001 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14002 final String childPkgName = ps.childPackageNames.get(i); 14003 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14004 childPs.oldCodePaths = ps.oldCodePaths; 14005 } 14006 } 14007 prepareAppDataAfterInstallLIF(newPackage); 14008 addedPkg = true; 14009 } catch (PackageManagerException e) { 14010 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14011 } 14012 } 14013 14014 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14015 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14016 14017 // Revert all internal state mutations and added folders for the failed install 14018 if (addedPkg) { 14019 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14020 res.removedInfo, true, null); 14021 } 14022 14023 // Restore the old package 14024 if (deletedPkg) { 14025 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14026 File restoreFile = new File(deletedPackage.codePath); 14027 // Parse old package 14028 boolean oldExternal = isExternal(deletedPackage); 14029 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14030 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14031 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14032 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14033 try { 14034 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14035 null); 14036 } catch (PackageManagerException e) { 14037 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14038 + e.getMessage()); 14039 return; 14040 } 14041 14042 synchronized (mPackages) { 14043 // Ensure the installer package name up to date 14044 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14045 14046 // Update permissions for restored package 14047 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14048 14049 mSettings.writeLPr(); 14050 } 14051 14052 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14053 } 14054 } else { 14055 synchronized (mPackages) { 14056 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14057 if (ps != null) { 14058 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14059 if (res.removedInfo.removedChildPackages != null) { 14060 final int childCount = res.removedInfo.removedChildPackages.size(); 14061 // Iterate in reverse as we may modify the collection 14062 for (int i = childCount - 1; i >= 0; i--) { 14063 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14064 if (res.addedChildPackages.containsKey(childPackageName)) { 14065 res.removedInfo.removedChildPackages.removeAt(i); 14066 } else { 14067 PackageRemovedInfo childInfo = res.removedInfo 14068 .removedChildPackages.valueAt(i); 14069 childInfo.removedForAllUsers = mPackages.get( 14070 childInfo.removedPackage) == null; 14071 } 14072 } 14073 } 14074 } 14075 } 14076 } 14077 } 14078 14079 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14080 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14081 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14082 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14083 + ", old=" + deletedPackage); 14084 14085 final boolean disabledSystem; 14086 14087 // Remove existing system package 14088 removePackageLI(deletedPackage, true); 14089 14090 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14091 if (!disabledSystem) { 14092 // We didn't need to disable the .apk as a current system package, 14093 // which means we are replacing another update that is already 14094 // installed. We need to make sure to delete the older one's .apk. 14095 res.removedInfo.args = createInstallArgsForExisting(0, 14096 deletedPackage.applicationInfo.getCodePath(), 14097 deletedPackage.applicationInfo.getResourcePath(), 14098 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14099 } else { 14100 res.removedInfo.args = null; 14101 } 14102 14103 // Successfully disabled the old package. Now proceed with re-installation 14104 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14105 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14106 clearAppProfilesLIF(pkg); 14107 14108 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14109 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14110 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14111 14112 PackageParser.Package newPackage = null; 14113 try { 14114 // Add the package to the internal data structures 14115 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14116 14117 // Set the update and install times 14118 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14119 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14120 System.currentTimeMillis()); 14121 14122 // Update the package dynamic state if succeeded 14123 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14124 // Now that the install succeeded make sure we remove data 14125 // directories for any child package the update removed. 14126 final int deletedChildCount = (deletedPackage.childPackages != null) 14127 ? deletedPackage.childPackages.size() : 0; 14128 final int newChildCount = (newPackage.childPackages != null) 14129 ? newPackage.childPackages.size() : 0; 14130 for (int i = 0; i < deletedChildCount; i++) { 14131 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14132 boolean childPackageDeleted = true; 14133 for (int j = 0; j < newChildCount; j++) { 14134 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14135 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14136 childPackageDeleted = false; 14137 break; 14138 } 14139 } 14140 if (childPackageDeleted) { 14141 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14142 deletedChildPkg.packageName); 14143 if (ps != null && res.removedInfo.removedChildPackages != null) { 14144 PackageRemovedInfo removedChildRes = res.removedInfo 14145 .removedChildPackages.get(deletedChildPkg.packageName); 14146 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14147 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14148 } 14149 } 14150 } 14151 14152 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14153 prepareAppDataAfterInstallLIF(newPackage); 14154 } 14155 } catch (PackageManagerException e) { 14156 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14157 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14158 } 14159 14160 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14161 // Re installation failed. Restore old information 14162 // Remove new pkg information 14163 if (newPackage != null) { 14164 removeInstalledPackageLI(newPackage, true); 14165 } 14166 // Add back the old system package 14167 try { 14168 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14169 } catch (PackageManagerException e) { 14170 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14171 } 14172 14173 synchronized (mPackages) { 14174 if (disabledSystem) { 14175 enableSystemPackageLPw(deletedPackage); 14176 } 14177 14178 // Ensure the installer package name up to date 14179 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14180 14181 // Update permissions for restored package 14182 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14183 14184 mSettings.writeLPr(); 14185 } 14186 14187 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14188 + " after failed upgrade"); 14189 } 14190 } 14191 14192 /** 14193 * Checks whether the parent or any of the child packages have a change shared 14194 * user. For a package to be a valid update the shred users of the parent and 14195 * the children should match. We may later support changing child shared users. 14196 * @param oldPkg The updated package. 14197 * @param newPkg The update package. 14198 * @return The shared user that change between the versions. 14199 */ 14200 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14201 PackageParser.Package newPkg) { 14202 // Check parent shared user 14203 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14204 return newPkg.packageName; 14205 } 14206 // Check child shared users 14207 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14208 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14209 for (int i = 0; i < newChildCount; i++) { 14210 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14211 // If this child was present, did it have the same shared user? 14212 for (int j = 0; j < oldChildCount; j++) { 14213 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14214 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14215 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14216 return newChildPkg.packageName; 14217 } 14218 } 14219 } 14220 return null; 14221 } 14222 14223 private void removeNativeBinariesLI(PackageSetting ps) { 14224 // Remove the lib path for the parent package 14225 if (ps != null) { 14226 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14227 // Remove the lib path for the child packages 14228 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14229 for (int i = 0; i < childCount; i++) { 14230 PackageSetting childPs = null; 14231 synchronized (mPackages) { 14232 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14233 } 14234 if (childPs != null) { 14235 NativeLibraryHelper.removeNativeBinariesLI(childPs 14236 .legacyNativeLibraryPathString); 14237 } 14238 } 14239 } 14240 } 14241 14242 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14243 // Enable the parent package 14244 mSettings.enableSystemPackageLPw(pkg.packageName); 14245 // Enable the child packages 14246 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14247 for (int i = 0; i < childCount; i++) { 14248 PackageParser.Package childPkg = pkg.childPackages.get(i); 14249 mSettings.enableSystemPackageLPw(childPkg.packageName); 14250 } 14251 } 14252 14253 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14254 PackageParser.Package newPkg) { 14255 // Disable the parent package (parent always replaced) 14256 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14257 // Disable the child packages 14258 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14259 for (int i = 0; i < childCount; i++) { 14260 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14261 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14262 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14263 } 14264 return disabled; 14265 } 14266 14267 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14268 String installerPackageName) { 14269 // Enable the parent package 14270 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14271 // Enable the child packages 14272 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14273 for (int i = 0; i < childCount; i++) { 14274 PackageParser.Package childPkg = pkg.childPackages.get(i); 14275 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14276 } 14277 } 14278 14279 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14280 // Collect all used permissions in the UID 14281 ArraySet<String> usedPermissions = new ArraySet<>(); 14282 final int packageCount = su.packages.size(); 14283 for (int i = 0; i < packageCount; i++) { 14284 PackageSetting ps = su.packages.valueAt(i); 14285 if (ps.pkg == null) { 14286 continue; 14287 } 14288 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14289 for (int j = 0; j < requestedPermCount; j++) { 14290 String permission = ps.pkg.requestedPermissions.get(j); 14291 BasePermission bp = mSettings.mPermissions.get(permission); 14292 if (bp != null) { 14293 usedPermissions.add(permission); 14294 } 14295 } 14296 } 14297 14298 PermissionsState permissionsState = su.getPermissionsState(); 14299 // Prune install permissions 14300 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14301 final int installPermCount = installPermStates.size(); 14302 for (int i = installPermCount - 1; i >= 0; i--) { 14303 PermissionState permissionState = installPermStates.get(i); 14304 if (!usedPermissions.contains(permissionState.getName())) { 14305 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14306 if (bp != null) { 14307 permissionsState.revokeInstallPermission(bp); 14308 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14309 PackageManager.MASK_PERMISSION_FLAGS, 0); 14310 } 14311 } 14312 } 14313 14314 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14315 14316 // Prune runtime permissions 14317 for (int userId : allUserIds) { 14318 List<PermissionState> runtimePermStates = permissionsState 14319 .getRuntimePermissionStates(userId); 14320 final int runtimePermCount = runtimePermStates.size(); 14321 for (int i = runtimePermCount - 1; i >= 0; i--) { 14322 PermissionState permissionState = runtimePermStates.get(i); 14323 if (!usedPermissions.contains(permissionState.getName())) { 14324 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14325 if (bp != null) { 14326 permissionsState.revokeRuntimePermission(bp, userId); 14327 permissionsState.updatePermissionFlags(bp, userId, 14328 PackageManager.MASK_PERMISSION_FLAGS, 0); 14329 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14330 runtimePermissionChangedUserIds, userId); 14331 } 14332 } 14333 } 14334 } 14335 14336 return runtimePermissionChangedUserIds; 14337 } 14338 14339 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14340 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14341 // Update the parent package setting 14342 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14343 res, user); 14344 // Update the child packages setting 14345 final int childCount = (newPackage.childPackages != null) 14346 ? newPackage.childPackages.size() : 0; 14347 for (int i = 0; i < childCount; i++) { 14348 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14349 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14350 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14351 childRes.origUsers, childRes, user); 14352 } 14353 } 14354 14355 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14356 String installerPackageName, int[] allUsers, int[] installedForUsers, 14357 PackageInstalledInfo res, UserHandle user) { 14358 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14359 14360 String pkgName = newPackage.packageName; 14361 synchronized (mPackages) { 14362 //write settings. the installStatus will be incomplete at this stage. 14363 //note that the new package setting would have already been 14364 //added to mPackages. It hasn't been persisted yet. 14365 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14366 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14367 mSettings.writeLPr(); 14368 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14369 } 14370 14371 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14372 synchronized (mPackages) { 14373 updatePermissionsLPw(newPackage.packageName, newPackage, 14374 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14375 ? UPDATE_PERMISSIONS_ALL : 0)); 14376 // For system-bundled packages, we assume that installing an upgraded version 14377 // of the package implies that the user actually wants to run that new code, 14378 // so we enable the package. 14379 PackageSetting ps = mSettings.mPackages.get(pkgName); 14380 final int userId = user.getIdentifier(); 14381 if (ps != null) { 14382 if (isSystemApp(newPackage)) { 14383 if (DEBUG_INSTALL) { 14384 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14385 } 14386 // Enable system package for requested users 14387 if (res.origUsers != null) { 14388 for (int origUserId : res.origUsers) { 14389 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14390 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14391 origUserId, installerPackageName); 14392 } 14393 } 14394 } 14395 // Also convey the prior install/uninstall state 14396 if (allUsers != null && installedForUsers != null) { 14397 for (int currentUserId : allUsers) { 14398 final boolean installed = ArrayUtils.contains( 14399 installedForUsers, currentUserId); 14400 if (DEBUG_INSTALL) { 14401 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14402 } 14403 ps.setInstalled(installed, currentUserId); 14404 } 14405 // these install state changes will be persisted in the 14406 // upcoming call to mSettings.writeLPr(). 14407 } 14408 } 14409 // It's implied that when a user requests installation, they want the app to be 14410 // installed and enabled. 14411 if (userId != UserHandle.USER_ALL) { 14412 ps.setInstalled(true, userId); 14413 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14414 } 14415 } 14416 res.name = pkgName; 14417 res.uid = newPackage.applicationInfo.uid; 14418 res.pkg = newPackage; 14419 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14420 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14421 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14422 //to update install status 14423 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14424 mSettings.writeLPr(); 14425 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14426 } 14427 14428 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14429 } 14430 14431 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14432 try { 14433 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14434 installPackageLI(args, res); 14435 } finally { 14436 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14437 } 14438 } 14439 14440 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14441 final int installFlags = args.installFlags; 14442 final String installerPackageName = args.installerPackageName; 14443 final String volumeUuid = args.volumeUuid; 14444 final File tmpPackageFile = new File(args.getCodePath()); 14445 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14446 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14447 || (args.volumeUuid != null)); 14448 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14449 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14450 boolean replace = false; 14451 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14452 if (args.move != null) { 14453 // moving a complete application; perform an initial scan on the new install location 14454 scanFlags |= SCAN_INITIAL; 14455 } 14456 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14457 scanFlags |= SCAN_DONT_KILL_APP; 14458 } 14459 14460 // Result object to be returned 14461 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14462 14463 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14464 14465 // Sanity check 14466 if (ephemeral && (forwardLocked || onExternal)) { 14467 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14468 + " external=" + onExternal); 14469 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14470 return; 14471 } 14472 14473 // Retrieve PackageSettings and parse package 14474 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14475 | PackageParser.PARSE_ENFORCE_CODE 14476 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14477 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14478 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14479 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14480 PackageParser pp = new PackageParser(); 14481 pp.setSeparateProcesses(mSeparateProcesses); 14482 pp.setDisplayMetrics(mMetrics); 14483 14484 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14485 final PackageParser.Package pkg; 14486 try { 14487 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14488 } catch (PackageParserException e) { 14489 res.setError("Failed parse during installPackageLI", e); 14490 return; 14491 } finally { 14492 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14493 } 14494 14495 // If we are installing a clustered package add results for the children 14496 if (pkg.childPackages != null) { 14497 synchronized (mPackages) { 14498 final int childCount = pkg.childPackages.size(); 14499 for (int i = 0; i < childCount; i++) { 14500 PackageParser.Package childPkg = pkg.childPackages.get(i); 14501 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14502 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14503 childRes.pkg = childPkg; 14504 childRes.name = childPkg.packageName; 14505 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14506 if (childPs != null) { 14507 childRes.origUsers = childPs.queryInstalledUsers( 14508 sUserManager.getUserIds(), true); 14509 } 14510 if ((mPackages.containsKey(childPkg.packageName))) { 14511 childRes.removedInfo = new PackageRemovedInfo(); 14512 childRes.removedInfo.removedPackage = childPkg.packageName; 14513 } 14514 if (res.addedChildPackages == null) { 14515 res.addedChildPackages = new ArrayMap<>(); 14516 } 14517 res.addedChildPackages.put(childPkg.packageName, childRes); 14518 } 14519 } 14520 } 14521 14522 // If package doesn't declare API override, mark that we have an install 14523 // time CPU ABI override. 14524 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14525 pkg.cpuAbiOverride = args.abiOverride; 14526 } 14527 14528 String pkgName = res.name = pkg.packageName; 14529 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14530 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14531 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14532 return; 14533 } 14534 } 14535 14536 try { 14537 // either use what we've been given or parse directly from the APK 14538 if (args.certificates != null) { 14539 try { 14540 PackageParser.populateCertificates(pkg, args.certificates); 14541 } catch (PackageParserException e) { 14542 // there was something wrong with the certificates we were given; 14543 // try to pull them from the APK 14544 PackageParser.collectCertificates(pkg, parseFlags); 14545 } 14546 } else { 14547 PackageParser.collectCertificates(pkg, parseFlags); 14548 } 14549 } catch (PackageParserException e) { 14550 res.setError("Failed collect during installPackageLI", e); 14551 return; 14552 } 14553 14554 // Get rid of all references to package scan path via parser. 14555 pp = null; 14556 String oldCodePath = null; 14557 boolean systemApp = false; 14558 synchronized (mPackages) { 14559 // Check if installing already existing package 14560 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14561 String oldName = mSettings.mRenamedPackages.get(pkgName); 14562 if (pkg.mOriginalPackages != null 14563 && pkg.mOriginalPackages.contains(oldName) 14564 && mPackages.containsKey(oldName)) { 14565 // This package is derived from an original package, 14566 // and this device has been updating from that original 14567 // name. We must continue using the original name, so 14568 // rename the new package here. 14569 pkg.setPackageName(oldName); 14570 pkgName = pkg.packageName; 14571 replace = true; 14572 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14573 + oldName + " pkgName=" + pkgName); 14574 } else if (mPackages.containsKey(pkgName)) { 14575 // This package, under its official name, already exists 14576 // on the device; we should replace it. 14577 replace = true; 14578 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14579 } 14580 14581 // Child packages are installed through the parent package 14582 if (pkg.parentPackage != null) { 14583 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14584 "Package " + pkg.packageName + " is child of package " 14585 + pkg.parentPackage.parentPackage + ". Child packages " 14586 + "can be updated only through the parent package."); 14587 return; 14588 } 14589 14590 if (replace) { 14591 // Prevent apps opting out from runtime permissions 14592 PackageParser.Package oldPackage = mPackages.get(pkgName); 14593 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14594 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14595 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14596 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14597 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14598 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14599 + " doesn't support runtime permissions but the old" 14600 + " target SDK " + oldTargetSdk + " does."); 14601 return; 14602 } 14603 14604 // Prevent installing of child packages 14605 if (oldPackage.parentPackage != null) { 14606 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14607 "Package " + pkg.packageName + " is child of package " 14608 + oldPackage.parentPackage + ". Child packages " 14609 + "can be updated only through the parent package."); 14610 return; 14611 } 14612 } 14613 } 14614 14615 PackageSetting ps = mSettings.mPackages.get(pkgName); 14616 if (ps != null) { 14617 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14618 14619 // Quick sanity check that we're signed correctly if updating; 14620 // we'll check this again later when scanning, but we want to 14621 // bail early here before tripping over redefined permissions. 14622 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14623 if (!checkUpgradeKeySetLP(ps, pkg)) { 14624 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14625 + pkg.packageName + " upgrade keys do not match the " 14626 + "previously installed version"); 14627 return; 14628 } 14629 } else { 14630 try { 14631 verifySignaturesLP(ps, pkg); 14632 } catch (PackageManagerException e) { 14633 res.setError(e.error, e.getMessage()); 14634 return; 14635 } 14636 } 14637 14638 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14639 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14640 systemApp = (ps.pkg.applicationInfo.flags & 14641 ApplicationInfo.FLAG_SYSTEM) != 0; 14642 } 14643 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14644 } 14645 14646 // Check whether the newly-scanned package wants to define an already-defined perm 14647 int N = pkg.permissions.size(); 14648 for (int i = N-1; i >= 0; i--) { 14649 PackageParser.Permission perm = pkg.permissions.get(i); 14650 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14651 if (bp != null) { 14652 // If the defining package is signed with our cert, it's okay. This 14653 // also includes the "updating the same package" case, of course. 14654 // "updating same package" could also involve key-rotation. 14655 final boolean sigsOk; 14656 if (bp.sourcePackage.equals(pkg.packageName) 14657 && (bp.packageSetting instanceof PackageSetting) 14658 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14659 scanFlags))) { 14660 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14661 } else { 14662 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14663 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14664 } 14665 if (!sigsOk) { 14666 // If the owning package is the system itself, we log but allow 14667 // install to proceed; we fail the install on all other permission 14668 // redefinitions. 14669 if (!bp.sourcePackage.equals("android")) { 14670 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14671 + pkg.packageName + " attempting to redeclare permission " 14672 + perm.info.name + " already owned by " + bp.sourcePackage); 14673 res.origPermission = perm.info.name; 14674 res.origPackage = bp.sourcePackage; 14675 return; 14676 } else { 14677 Slog.w(TAG, "Package " + pkg.packageName 14678 + " attempting to redeclare system permission " 14679 + perm.info.name + "; ignoring new declaration"); 14680 pkg.permissions.remove(i); 14681 } 14682 } 14683 } 14684 } 14685 } 14686 14687 if (systemApp) { 14688 if (onExternal) { 14689 // Abort update; system app can't be replaced with app on sdcard 14690 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14691 "Cannot install updates to system apps on sdcard"); 14692 return; 14693 } else if (ephemeral) { 14694 // Abort update; system app can't be replaced with an ephemeral app 14695 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14696 "Cannot update a system app with an ephemeral app"); 14697 return; 14698 } 14699 } 14700 14701 if (args.move != null) { 14702 // We did an in-place move, so dex is ready to roll 14703 scanFlags |= SCAN_NO_DEX; 14704 scanFlags |= SCAN_MOVE; 14705 14706 synchronized (mPackages) { 14707 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14708 if (ps == null) { 14709 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14710 "Missing settings for moved package " + pkgName); 14711 } 14712 14713 // We moved the entire application as-is, so bring over the 14714 // previously derived ABI information. 14715 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14716 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14717 } 14718 14719 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14720 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14721 scanFlags |= SCAN_NO_DEX; 14722 14723 try { 14724 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14725 args.abiOverride : pkg.cpuAbiOverride); 14726 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14727 true /* extract libs */); 14728 } catch (PackageManagerException pme) { 14729 Slog.e(TAG, "Error deriving application ABI", pme); 14730 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14731 return; 14732 } 14733 14734 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14735 // Do not run PackageDexOptimizer through the local performDexOpt 14736 // method because `pkg` is not in `mPackages` yet. 14737 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 14738 false /* checkProfiles */, getCompilerFilterForReason(REASON_INSTALL)); 14739 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14740 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14741 String msg = "Extracting package failed for " + pkgName; 14742 res.setError(INSTALL_FAILED_DEXOPT, msg); 14743 return; 14744 } 14745 14746 // Notify BackgroundDexOptService that the package has been changed. 14747 // If this is an update of a package which used to fail to compile, 14748 // BDOS will remove it from its blacklist. 14749 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 14750 } 14751 14752 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14753 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14754 return; 14755 } 14756 14757 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14758 14759 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 14760 "installPackageLI")) { 14761 if (replace) { 14762 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14763 installerPackageName, res); 14764 } else { 14765 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14766 args.user, installerPackageName, volumeUuid, res); 14767 } 14768 } 14769 synchronized (mPackages) { 14770 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14771 if (ps != null) { 14772 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14773 } 14774 14775 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14776 for (int i = 0; i < childCount; i++) { 14777 PackageParser.Package childPkg = pkg.childPackages.get(i); 14778 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14779 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14780 if (childPs != null) { 14781 childRes.newUsers = childPs.queryInstalledUsers( 14782 sUserManager.getUserIds(), true); 14783 } 14784 } 14785 } 14786 } 14787 14788 private void startIntentFilterVerifications(int userId, boolean replacing, 14789 PackageParser.Package pkg) { 14790 if (mIntentFilterVerifierComponent == null) { 14791 Slog.w(TAG, "No IntentFilter verification will not be done as " 14792 + "there is no IntentFilterVerifier available!"); 14793 return; 14794 } 14795 14796 final int verifierUid = getPackageUid( 14797 mIntentFilterVerifierComponent.getPackageName(), 14798 MATCH_DEBUG_TRIAGED_MISSING, 14799 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14800 14801 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14802 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14803 mHandler.sendMessage(msg); 14804 14805 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14806 for (int i = 0; i < childCount; i++) { 14807 PackageParser.Package childPkg = pkg.childPackages.get(i); 14808 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14809 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14810 mHandler.sendMessage(msg); 14811 } 14812 } 14813 14814 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14815 PackageParser.Package pkg) { 14816 int size = pkg.activities.size(); 14817 if (size == 0) { 14818 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14819 "No activity, so no need to verify any IntentFilter!"); 14820 return; 14821 } 14822 14823 final boolean hasDomainURLs = hasDomainURLs(pkg); 14824 if (!hasDomainURLs) { 14825 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14826 "No domain URLs, so no need to verify any IntentFilter!"); 14827 return; 14828 } 14829 14830 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14831 + " if any IntentFilter from the " + size 14832 + " Activities needs verification ..."); 14833 14834 int count = 0; 14835 final String packageName = pkg.packageName; 14836 14837 synchronized (mPackages) { 14838 // If this is a new install and we see that we've already run verification for this 14839 // package, we have nothing to do: it means the state was restored from backup. 14840 if (!replacing) { 14841 IntentFilterVerificationInfo ivi = 14842 mSettings.getIntentFilterVerificationLPr(packageName); 14843 if (ivi != null) { 14844 if (DEBUG_DOMAIN_VERIFICATION) { 14845 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14846 + ivi.getStatusString()); 14847 } 14848 return; 14849 } 14850 } 14851 14852 // If any filters need to be verified, then all need to be. 14853 boolean needToVerify = false; 14854 for (PackageParser.Activity a : pkg.activities) { 14855 for (ActivityIntentInfo filter : a.intents) { 14856 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14857 if (DEBUG_DOMAIN_VERIFICATION) { 14858 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14859 } 14860 needToVerify = true; 14861 break; 14862 } 14863 } 14864 } 14865 14866 if (needToVerify) { 14867 final int verificationId = mIntentFilterVerificationToken++; 14868 for (PackageParser.Activity a : pkg.activities) { 14869 for (ActivityIntentInfo filter : a.intents) { 14870 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14871 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14872 "Verification needed for IntentFilter:" + filter.toString()); 14873 mIntentFilterVerifier.addOneIntentFilterVerification( 14874 verifierUid, userId, verificationId, filter, packageName); 14875 count++; 14876 } 14877 } 14878 } 14879 } 14880 } 14881 14882 if (count > 0) { 14883 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14884 + " IntentFilter verification" + (count > 1 ? "s" : "") 14885 + " for userId:" + userId); 14886 mIntentFilterVerifier.startVerifications(userId); 14887 } else { 14888 if (DEBUG_DOMAIN_VERIFICATION) { 14889 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14890 } 14891 } 14892 } 14893 14894 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14895 final ComponentName cn = filter.activity.getComponentName(); 14896 final String packageName = cn.getPackageName(); 14897 14898 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14899 packageName); 14900 if (ivi == null) { 14901 return true; 14902 } 14903 int status = ivi.getStatus(); 14904 switch (status) { 14905 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14906 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14907 return true; 14908 14909 default: 14910 // Nothing to do 14911 return false; 14912 } 14913 } 14914 14915 private static boolean isMultiArch(ApplicationInfo info) { 14916 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14917 } 14918 14919 private static boolean isExternal(PackageParser.Package pkg) { 14920 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14921 } 14922 14923 private static boolean isExternal(PackageSetting ps) { 14924 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14925 } 14926 14927 private static boolean isEphemeral(PackageParser.Package pkg) { 14928 return pkg.applicationInfo.isEphemeralApp(); 14929 } 14930 14931 private static boolean isEphemeral(PackageSetting ps) { 14932 return ps.pkg != null && isEphemeral(ps.pkg); 14933 } 14934 14935 private static boolean isSystemApp(PackageParser.Package pkg) { 14936 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14937 } 14938 14939 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14940 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14941 } 14942 14943 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14944 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14945 } 14946 14947 private static boolean isSystemApp(PackageSetting ps) { 14948 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14949 } 14950 14951 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14952 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14953 } 14954 14955 private int packageFlagsToInstallFlags(PackageSetting ps) { 14956 int installFlags = 0; 14957 if (isEphemeral(ps)) { 14958 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14959 } 14960 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14961 // This existing package was an external ASEC install when we have 14962 // the external flag without a UUID 14963 installFlags |= PackageManager.INSTALL_EXTERNAL; 14964 } 14965 if (ps.isForwardLocked()) { 14966 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14967 } 14968 return installFlags; 14969 } 14970 14971 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14972 if (isExternal(pkg)) { 14973 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14974 return StorageManager.UUID_PRIMARY_PHYSICAL; 14975 } else { 14976 return pkg.volumeUuid; 14977 } 14978 } else { 14979 return StorageManager.UUID_PRIVATE_INTERNAL; 14980 } 14981 } 14982 14983 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14984 if (isExternal(pkg)) { 14985 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14986 return mSettings.getExternalVersion(); 14987 } else { 14988 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14989 } 14990 } else { 14991 return mSettings.getInternalVersion(); 14992 } 14993 } 14994 14995 private void deleteTempPackageFiles() { 14996 final FilenameFilter filter = new FilenameFilter() { 14997 public boolean accept(File dir, String name) { 14998 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14999 } 15000 }; 15001 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15002 file.delete(); 15003 } 15004 } 15005 15006 @Override 15007 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15008 int flags) { 15009 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15010 flags); 15011 } 15012 15013 @Override 15014 public void deletePackage(final String packageName, 15015 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15016 mContext.enforceCallingOrSelfPermission( 15017 android.Manifest.permission.DELETE_PACKAGES, null); 15018 Preconditions.checkNotNull(packageName); 15019 Preconditions.checkNotNull(observer); 15020 final int uid = Binder.getCallingUid(); 15021 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15022 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15023 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15024 mContext.enforceCallingOrSelfPermission( 15025 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15026 "deletePackage for user " + userId); 15027 } 15028 15029 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15030 try { 15031 observer.onPackageDeleted(packageName, 15032 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15033 } catch (RemoteException re) { 15034 } 15035 return; 15036 } 15037 15038 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15039 try { 15040 observer.onPackageDeleted(packageName, 15041 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15042 } catch (RemoteException re) { 15043 } 15044 return; 15045 } 15046 15047 if (DEBUG_REMOVE) { 15048 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15049 + " deleteAllUsers: " + deleteAllUsers ); 15050 } 15051 // Queue up an async operation since the package deletion may take a little while. 15052 mHandler.post(new Runnable() { 15053 public void run() { 15054 mHandler.removeCallbacks(this); 15055 int returnCode; 15056 if (!deleteAllUsers) { 15057 returnCode = deletePackageX(packageName, userId, deleteFlags); 15058 } else { 15059 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15060 // If nobody is blocking uninstall, proceed with delete for all users 15061 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15062 returnCode = deletePackageX(packageName, userId, deleteFlags); 15063 } else { 15064 // Otherwise uninstall individually for users with blockUninstalls=false 15065 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15066 for (int userId : users) { 15067 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15068 returnCode = deletePackageX(packageName, userId, userFlags); 15069 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15070 Slog.w(TAG, "Package delete failed for user " + userId 15071 + ", returnCode " + returnCode); 15072 } 15073 } 15074 } 15075 // The app has only been marked uninstalled for certain users. 15076 // We still need to report that delete was blocked 15077 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15078 } 15079 } 15080 try { 15081 observer.onPackageDeleted(packageName, returnCode, null); 15082 } catch (RemoteException e) { 15083 Log.i(TAG, "Observer no longer exists."); 15084 } //end catch 15085 } //end run 15086 }); 15087 } 15088 15089 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15090 int[] result = EMPTY_INT_ARRAY; 15091 for (int userId : userIds) { 15092 if (getBlockUninstallForUser(packageName, userId)) { 15093 result = ArrayUtils.appendInt(result, userId); 15094 } 15095 } 15096 return result; 15097 } 15098 15099 @Override 15100 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15101 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15102 } 15103 15104 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15105 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15106 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15107 try { 15108 if (dpm != null) { 15109 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15110 /* callingUserOnly =*/ false); 15111 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15112 : deviceOwnerComponentName.getPackageName(); 15113 // Does the package contains the device owner? 15114 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15115 // this check is probably not needed, since DO should be registered as a device 15116 // admin on some user too. (Original bug for this: b/17657954) 15117 if (packageName.equals(deviceOwnerPackageName)) { 15118 return true; 15119 } 15120 // Does it contain a device admin for any user? 15121 int[] users; 15122 if (userId == UserHandle.USER_ALL) { 15123 users = sUserManager.getUserIds(); 15124 } else { 15125 users = new int[]{userId}; 15126 } 15127 for (int i = 0; i < users.length; ++i) { 15128 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15129 return true; 15130 } 15131 } 15132 } 15133 } catch (RemoteException e) { 15134 } 15135 return false; 15136 } 15137 15138 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15139 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15140 } 15141 15142 /** 15143 * This method is an internal method that could be get invoked either 15144 * to delete an installed package or to clean up a failed installation. 15145 * After deleting an installed package, a broadcast is sent to notify any 15146 * listeners that the package has been removed. For cleaning up a failed 15147 * installation, the broadcast is not necessary since the package's 15148 * installation wouldn't have sent the initial broadcast either 15149 * The key steps in deleting a package are 15150 * deleting the package information in internal structures like mPackages, 15151 * deleting the packages base directories through installd 15152 * updating mSettings to reflect current status 15153 * persisting settings for later use 15154 * sending a broadcast if necessary 15155 */ 15156 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15157 final PackageRemovedInfo info = new PackageRemovedInfo(); 15158 final boolean res; 15159 15160 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15161 ? UserHandle.ALL : new UserHandle(userId); 15162 15163 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15164 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15165 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15166 } 15167 15168 PackageSetting uninstalledPs = null; 15169 15170 // for the uninstall-updates case and restricted profiles, remember the per- 15171 // user handle installed state 15172 int[] allUsers; 15173 synchronized (mPackages) { 15174 uninstalledPs = mSettings.mPackages.get(packageName); 15175 if (uninstalledPs == null) { 15176 Slog.w(TAG, "Not removing non-existent package " + packageName); 15177 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15178 } 15179 allUsers = sUserManager.getUserIds(); 15180 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15181 } 15182 15183 synchronized (mInstallLock) { 15184 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15185 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15186 "deletePackageX")) { 15187 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15188 deleteFlags | REMOVE_CHATTY, info, true, null); 15189 } 15190 synchronized (mPackages) { 15191 if (res) { 15192 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15193 } 15194 } 15195 } 15196 15197 if (res) { 15198 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15199 info.sendPackageRemovedBroadcasts(killApp); 15200 info.sendSystemPackageUpdatedBroadcasts(); 15201 info.sendSystemPackageAppearedBroadcasts(); 15202 } 15203 // Force a gc here. 15204 Runtime.getRuntime().gc(); 15205 // Delete the resources here after sending the broadcast to let 15206 // other processes clean up before deleting resources. 15207 if (info.args != null) { 15208 synchronized (mInstallLock) { 15209 info.args.doPostDeleteLI(true); 15210 } 15211 } 15212 15213 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15214 } 15215 15216 class PackageRemovedInfo { 15217 String removedPackage; 15218 int uid = -1; 15219 int removedAppId = -1; 15220 int[] origUsers; 15221 int[] removedUsers = null; 15222 boolean isRemovedPackageSystemUpdate = false; 15223 boolean isUpdate; 15224 boolean dataRemoved; 15225 boolean removedForAllUsers; 15226 // Clean up resources deleted packages. 15227 InstallArgs args = null; 15228 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15229 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15230 15231 void sendPackageRemovedBroadcasts(boolean killApp) { 15232 sendPackageRemovedBroadcastInternal(killApp); 15233 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15234 for (int i = 0; i < childCount; i++) { 15235 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15236 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15237 } 15238 } 15239 15240 void sendSystemPackageUpdatedBroadcasts() { 15241 if (isRemovedPackageSystemUpdate) { 15242 sendSystemPackageUpdatedBroadcastsInternal(); 15243 final int childCount = (removedChildPackages != null) 15244 ? removedChildPackages.size() : 0; 15245 for (int i = 0; i < childCount; i++) { 15246 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15247 if (childInfo.isRemovedPackageSystemUpdate) { 15248 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15249 } 15250 } 15251 } 15252 } 15253 15254 void sendSystemPackageAppearedBroadcasts() { 15255 final int packageCount = (appearedChildPackages != null) 15256 ? appearedChildPackages.size() : 0; 15257 for (int i = 0; i < packageCount; i++) { 15258 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15259 for (int userId : installedInfo.newUsers) { 15260 sendPackageAddedForUser(installedInfo.name, true, 15261 UserHandle.getAppId(installedInfo.uid), userId); 15262 } 15263 } 15264 } 15265 15266 private void sendSystemPackageUpdatedBroadcastsInternal() { 15267 Bundle extras = new Bundle(2); 15268 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15269 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15270 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15271 extras, 0, null, null, null); 15272 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15273 extras, 0, null, null, null); 15274 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15275 null, 0, removedPackage, null, null); 15276 } 15277 15278 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15279 Bundle extras = new Bundle(2); 15280 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15281 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15282 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15283 if (isUpdate || isRemovedPackageSystemUpdate) { 15284 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15285 } 15286 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15287 if (removedPackage != null) { 15288 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15289 extras, 0, null, null, removedUsers); 15290 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15291 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15292 removedPackage, extras, 0, null, null, removedUsers); 15293 } 15294 } 15295 if (removedAppId >= 0) { 15296 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15297 removedUsers); 15298 } 15299 } 15300 } 15301 15302 /* 15303 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15304 * flag is not set, the data directory is removed as well. 15305 * make sure this flag is set for partially installed apps. If not its meaningless to 15306 * delete a partially installed application. 15307 */ 15308 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15309 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15310 String packageName = ps.name; 15311 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15312 // Retrieve object to delete permissions for shared user later on 15313 final PackageParser.Package deletedPkg; 15314 final PackageSetting deletedPs; 15315 // reader 15316 synchronized (mPackages) { 15317 deletedPkg = mPackages.get(packageName); 15318 deletedPs = mSettings.mPackages.get(packageName); 15319 if (outInfo != null) { 15320 outInfo.removedPackage = packageName; 15321 outInfo.removedUsers = deletedPs != null 15322 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15323 : null; 15324 } 15325 } 15326 15327 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15328 15329 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15330 destroyAppDataLIF(deletedPkg, UserHandle.USER_ALL, 15331 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15332 destroyAppProfilesLIF(deletedPkg); 15333 if (outInfo != null) { 15334 outInfo.dataRemoved = true; 15335 } 15336 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15337 } 15338 15339 // writer 15340 synchronized (mPackages) { 15341 if (deletedPs != null) { 15342 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15343 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15344 clearDefaultBrowserIfNeeded(packageName); 15345 if (outInfo != null) { 15346 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15347 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15348 } 15349 updatePermissionsLPw(deletedPs.name, null, 0); 15350 if (deletedPs.sharedUser != null) { 15351 // Remove permissions associated with package. Since runtime 15352 // permissions are per user we have to kill the removed package 15353 // or packages running under the shared user of the removed 15354 // package if revoking the permissions requested only by the removed 15355 // package is successful and this causes a change in gids. 15356 for (int userId : UserManagerService.getInstance().getUserIds()) { 15357 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15358 userId); 15359 if (userIdToKill == UserHandle.USER_ALL 15360 || userIdToKill >= UserHandle.USER_SYSTEM) { 15361 // If gids changed for this user, kill all affected packages. 15362 mHandler.post(new Runnable() { 15363 @Override 15364 public void run() { 15365 // This has to happen with no lock held. 15366 killApplication(deletedPs.name, deletedPs.appId, 15367 KILL_APP_REASON_GIDS_CHANGED); 15368 } 15369 }); 15370 break; 15371 } 15372 } 15373 } 15374 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15375 } 15376 // make sure to preserve per-user disabled state if this removal was just 15377 // a downgrade of a system app to the factory package 15378 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15379 if (DEBUG_REMOVE) { 15380 Slog.d(TAG, "Propagating install state across downgrade"); 15381 } 15382 for (int userId : allUserHandles) { 15383 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15384 if (DEBUG_REMOVE) { 15385 Slog.d(TAG, " user " + userId + " => " + installed); 15386 } 15387 ps.setInstalled(installed, userId); 15388 } 15389 } 15390 } 15391 // can downgrade to reader 15392 if (writeSettings) { 15393 // Save settings now 15394 mSettings.writeLPr(); 15395 } 15396 } 15397 if (outInfo != null) { 15398 // A user ID was deleted here. Go through all users and remove it 15399 // from KeyStore. 15400 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15401 } 15402 } 15403 15404 static boolean locationIsPrivileged(File path) { 15405 try { 15406 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15407 .getCanonicalPath(); 15408 return path.getCanonicalPath().startsWith(privilegedAppDir); 15409 } catch (IOException e) { 15410 Slog.e(TAG, "Unable to access code path " + path); 15411 } 15412 return false; 15413 } 15414 15415 /* 15416 * Tries to delete system package. 15417 */ 15418 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15419 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15420 boolean writeSettings) { 15421 if (deletedPs.parentPackageName != null) { 15422 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15423 return false; 15424 } 15425 15426 final boolean applyUserRestrictions 15427 = (allUserHandles != null) && (outInfo.origUsers != null); 15428 final PackageSetting disabledPs; 15429 // Confirm if the system package has been updated 15430 // An updated system app can be deleted. This will also have to restore 15431 // the system pkg from system partition 15432 // reader 15433 synchronized (mPackages) { 15434 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15435 } 15436 15437 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15438 + " disabledPs=" + disabledPs); 15439 15440 if (disabledPs == null) { 15441 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15442 return false; 15443 } else if (DEBUG_REMOVE) { 15444 Slog.d(TAG, "Deleting system pkg from data partition"); 15445 } 15446 15447 if (DEBUG_REMOVE) { 15448 if (applyUserRestrictions) { 15449 Slog.d(TAG, "Remembering install states:"); 15450 for (int userId : allUserHandles) { 15451 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15452 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15453 } 15454 } 15455 } 15456 15457 // Delete the updated package 15458 outInfo.isRemovedPackageSystemUpdate = true; 15459 if (outInfo.removedChildPackages != null) { 15460 final int childCount = (deletedPs.childPackageNames != null) 15461 ? deletedPs.childPackageNames.size() : 0; 15462 for (int i = 0; i < childCount; i++) { 15463 String childPackageName = deletedPs.childPackageNames.get(i); 15464 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15465 .contains(childPackageName)) { 15466 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15467 childPackageName); 15468 if (childInfo != null) { 15469 childInfo.isRemovedPackageSystemUpdate = true; 15470 } 15471 } 15472 } 15473 } 15474 15475 if (disabledPs.versionCode < deletedPs.versionCode) { 15476 // Delete data for downgrades 15477 flags &= ~PackageManager.DELETE_KEEP_DATA; 15478 } else { 15479 // Preserve data by setting flag 15480 flags |= PackageManager.DELETE_KEEP_DATA; 15481 } 15482 15483 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15484 outInfo, writeSettings, disabledPs.pkg); 15485 if (!ret) { 15486 return false; 15487 } 15488 15489 // writer 15490 synchronized (mPackages) { 15491 // Reinstate the old system package 15492 enableSystemPackageLPw(disabledPs.pkg); 15493 // Remove any native libraries from the upgraded package. 15494 removeNativeBinariesLI(deletedPs); 15495 } 15496 15497 // Install the system package 15498 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15499 int parseFlags = mDefParseFlags 15500 | PackageParser.PARSE_MUST_BE_APK 15501 | PackageParser.PARSE_IS_SYSTEM 15502 | PackageParser.PARSE_IS_SYSTEM_DIR; 15503 if (locationIsPrivileged(disabledPs.codePath)) { 15504 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15505 } 15506 15507 final PackageParser.Package newPkg; 15508 try { 15509 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15510 } catch (PackageManagerException e) { 15511 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15512 + e.getMessage()); 15513 return false; 15514 } 15515 15516 prepareAppDataAfterInstallLIF(newPkg); 15517 15518 // writer 15519 synchronized (mPackages) { 15520 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15521 15522 // Propagate the permissions state as we do not want to drop on the floor 15523 // runtime permissions. The update permissions method below will take 15524 // care of removing obsolete permissions and grant install permissions. 15525 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15526 updatePermissionsLPw(newPkg.packageName, newPkg, 15527 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15528 15529 if (applyUserRestrictions) { 15530 if (DEBUG_REMOVE) { 15531 Slog.d(TAG, "Propagating install state across reinstall"); 15532 } 15533 for (int userId : allUserHandles) { 15534 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15535 if (DEBUG_REMOVE) { 15536 Slog.d(TAG, " user " + userId + " => " + installed); 15537 } 15538 ps.setInstalled(installed, userId); 15539 15540 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15541 } 15542 // Regardless of writeSettings we need to ensure that this restriction 15543 // state propagation is persisted 15544 mSettings.writeAllUsersPackageRestrictionsLPr(); 15545 } 15546 // can downgrade to reader here 15547 if (writeSettings) { 15548 mSettings.writeLPr(); 15549 } 15550 } 15551 return true; 15552 } 15553 15554 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15555 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15556 PackageRemovedInfo outInfo, boolean writeSettings, 15557 PackageParser.Package replacingPackage) { 15558 synchronized (mPackages) { 15559 if (outInfo != null) { 15560 outInfo.uid = ps.appId; 15561 } 15562 15563 if (outInfo != null && outInfo.removedChildPackages != null) { 15564 final int childCount = (ps.childPackageNames != null) 15565 ? ps.childPackageNames.size() : 0; 15566 for (int i = 0; i < childCount; i++) { 15567 String childPackageName = ps.childPackageNames.get(i); 15568 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15569 if (childPs == null) { 15570 return false; 15571 } 15572 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15573 childPackageName); 15574 if (childInfo != null) { 15575 childInfo.uid = childPs.appId; 15576 } 15577 } 15578 } 15579 } 15580 15581 // Delete package data from internal structures and also remove data if flag is set 15582 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15583 15584 // Delete the child packages data 15585 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15586 for (int i = 0; i < childCount; i++) { 15587 PackageSetting childPs; 15588 synchronized (mPackages) { 15589 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15590 } 15591 if (childPs != null) { 15592 PackageRemovedInfo childOutInfo = (outInfo != null 15593 && outInfo.removedChildPackages != null) 15594 ? outInfo.removedChildPackages.get(childPs.name) : null; 15595 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15596 && (replacingPackage != null 15597 && !replacingPackage.hasChildPackage(childPs.name)) 15598 ? flags & ~DELETE_KEEP_DATA : flags; 15599 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15600 deleteFlags, writeSettings); 15601 } 15602 } 15603 15604 // Delete application code and resources only for parent packages 15605 if (ps.parentPackageName == null) { 15606 if (deleteCodeAndResources && (outInfo != null)) { 15607 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15608 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15609 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15610 } 15611 } 15612 15613 return true; 15614 } 15615 15616 @Override 15617 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15618 int userId) { 15619 mContext.enforceCallingOrSelfPermission( 15620 android.Manifest.permission.DELETE_PACKAGES, null); 15621 synchronized (mPackages) { 15622 PackageSetting ps = mSettings.mPackages.get(packageName); 15623 if (ps == null) { 15624 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15625 return false; 15626 } 15627 if (!ps.getInstalled(userId)) { 15628 // Can't block uninstall for an app that is not installed or enabled. 15629 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15630 return false; 15631 } 15632 ps.setBlockUninstall(blockUninstall, userId); 15633 mSettings.writePackageRestrictionsLPr(userId); 15634 } 15635 return true; 15636 } 15637 15638 @Override 15639 public boolean getBlockUninstallForUser(String packageName, int userId) { 15640 synchronized (mPackages) { 15641 PackageSetting ps = mSettings.mPackages.get(packageName); 15642 if (ps == null) { 15643 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15644 return false; 15645 } 15646 return ps.getBlockUninstall(userId); 15647 } 15648 } 15649 15650 @Override 15651 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15652 int callingUid = Binder.getCallingUid(); 15653 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15654 throw new SecurityException( 15655 "setRequiredForSystemUser can only be run by the system or root"); 15656 } 15657 synchronized (mPackages) { 15658 PackageSetting ps = mSettings.mPackages.get(packageName); 15659 if (ps == null) { 15660 Log.w(TAG, "Package doesn't exist: " + packageName); 15661 return false; 15662 } 15663 if (systemUserApp) { 15664 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15665 } else { 15666 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15667 } 15668 mSettings.writeLPr(); 15669 } 15670 return true; 15671 } 15672 15673 /* 15674 * This method handles package deletion in general 15675 */ 15676 private boolean deletePackageLIF(String packageName, UserHandle user, 15677 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15678 PackageRemovedInfo outInfo, boolean writeSettings, 15679 PackageParser.Package replacingPackage) { 15680 if (packageName == null) { 15681 Slog.w(TAG, "Attempt to delete null packageName."); 15682 return false; 15683 } 15684 15685 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15686 15687 PackageSetting ps; 15688 15689 synchronized (mPackages) { 15690 ps = mSettings.mPackages.get(packageName); 15691 if (ps == null) { 15692 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15693 return false; 15694 } 15695 15696 if (ps.parentPackageName != null && (!isSystemApp(ps) 15697 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15698 if (DEBUG_REMOVE) { 15699 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15700 + ((user == null) ? UserHandle.USER_ALL : user)); 15701 } 15702 final int removedUserId = (user != null) ? user.getIdentifier() 15703 : UserHandle.USER_ALL; 15704 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15705 return false; 15706 } 15707 markPackageUninstalledForUserLPw(ps, user); 15708 scheduleWritePackageRestrictionsLocked(user); 15709 return true; 15710 } 15711 } 15712 15713 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15714 && user.getIdentifier() != UserHandle.USER_ALL)) { 15715 // The caller is asking that the package only be deleted for a single 15716 // user. To do this, we just mark its uninstalled state and delete 15717 // its data. If this is a system app, we only allow this to happen if 15718 // they have set the special DELETE_SYSTEM_APP which requests different 15719 // semantics than normal for uninstalling system apps. 15720 markPackageUninstalledForUserLPw(ps, user); 15721 15722 if (!isSystemApp(ps)) { 15723 // Do not uninstall the APK if an app should be cached 15724 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15725 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15726 // Other user still have this package installed, so all 15727 // we need to do is clear this user's data and save that 15728 // it is uninstalled. 15729 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15730 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15731 return false; 15732 } 15733 scheduleWritePackageRestrictionsLocked(user); 15734 return true; 15735 } else { 15736 // We need to set it back to 'installed' so the uninstall 15737 // broadcasts will be sent correctly. 15738 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15739 ps.setInstalled(true, user.getIdentifier()); 15740 } 15741 } else { 15742 // This is a system app, so we assume that the 15743 // other users still have this package installed, so all 15744 // we need to do is clear this user's data and save that 15745 // it is uninstalled. 15746 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15747 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15748 return false; 15749 } 15750 scheduleWritePackageRestrictionsLocked(user); 15751 return true; 15752 } 15753 } 15754 15755 // If we are deleting a composite package for all users, keep track 15756 // of result for each child. 15757 if (ps.childPackageNames != null && outInfo != null) { 15758 synchronized (mPackages) { 15759 final int childCount = ps.childPackageNames.size(); 15760 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15761 for (int i = 0; i < childCount; i++) { 15762 String childPackageName = ps.childPackageNames.get(i); 15763 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15764 childInfo.removedPackage = childPackageName; 15765 outInfo.removedChildPackages.put(childPackageName, childInfo); 15766 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15767 if (childPs != null) { 15768 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15769 } 15770 } 15771 } 15772 } 15773 15774 boolean ret = false; 15775 if (isSystemApp(ps)) { 15776 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15777 // When an updated system application is deleted we delete the existing resources 15778 // as well and fall back to existing code in system partition 15779 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15780 } else { 15781 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15782 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 15783 outInfo, writeSettings, replacingPackage); 15784 } 15785 15786 // Take a note whether we deleted the package for all users 15787 if (outInfo != null) { 15788 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15789 if (outInfo.removedChildPackages != null) { 15790 synchronized (mPackages) { 15791 final int childCount = outInfo.removedChildPackages.size(); 15792 for (int i = 0; i < childCount; i++) { 15793 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15794 if (childInfo != null) { 15795 childInfo.removedForAllUsers = mPackages.get( 15796 childInfo.removedPackage) == null; 15797 } 15798 } 15799 } 15800 } 15801 // If we uninstalled an update to a system app there may be some 15802 // child packages that appeared as they are declared in the system 15803 // app but were not declared in the update. 15804 if (isSystemApp(ps)) { 15805 synchronized (mPackages) { 15806 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15807 final int childCount = (updatedPs.childPackageNames != null) 15808 ? updatedPs.childPackageNames.size() : 0; 15809 for (int i = 0; i < childCount; i++) { 15810 String childPackageName = updatedPs.childPackageNames.get(i); 15811 if (outInfo.removedChildPackages == null 15812 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15813 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15814 if (childPs == null) { 15815 continue; 15816 } 15817 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15818 installRes.name = childPackageName; 15819 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15820 installRes.pkg = mPackages.get(childPackageName); 15821 installRes.uid = childPs.pkg.applicationInfo.uid; 15822 if (outInfo.appearedChildPackages == null) { 15823 outInfo.appearedChildPackages = new ArrayMap<>(); 15824 } 15825 outInfo.appearedChildPackages.put(childPackageName, installRes); 15826 } 15827 } 15828 } 15829 } 15830 } 15831 15832 return ret; 15833 } 15834 15835 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15836 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15837 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15838 for (int nextUserId : userIds) { 15839 if (DEBUG_REMOVE) { 15840 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15841 } 15842 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 15843 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15844 false /*hidden*/, false /*suspended*/, null, null, null, 15845 false /*blockUninstall*/, 15846 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15847 } 15848 } 15849 15850 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 15851 PackageRemovedInfo outInfo) { 15852 final PackageParser.Package pkg; 15853 synchronized (mPackages) { 15854 pkg = mPackages.get(ps.name); 15855 } 15856 15857 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15858 : new int[] {userId}; 15859 for (int nextUserId : userIds) { 15860 if (DEBUG_REMOVE) { 15861 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15862 + nextUserId); 15863 } 15864 15865 destroyAppDataLIF(pkg, userId, 15866 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15867 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15868 schedulePackageCleaning(ps.name, nextUserId, false); 15869 synchronized (mPackages) { 15870 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15871 scheduleWritePackageRestrictionsLocked(nextUserId); 15872 } 15873 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15874 } 15875 } 15876 15877 if (outInfo != null) { 15878 outInfo.removedPackage = ps.name; 15879 outInfo.removedAppId = ps.appId; 15880 outInfo.removedUsers = userIds; 15881 } 15882 15883 return true; 15884 } 15885 15886 private final class ClearStorageConnection implements ServiceConnection { 15887 IMediaContainerService mContainerService; 15888 15889 @Override 15890 public void onServiceConnected(ComponentName name, IBinder service) { 15891 synchronized (this) { 15892 mContainerService = IMediaContainerService.Stub.asInterface(service); 15893 notifyAll(); 15894 } 15895 } 15896 15897 @Override 15898 public void onServiceDisconnected(ComponentName name) { 15899 } 15900 } 15901 15902 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15903 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 15904 15905 final boolean mounted; 15906 if (Environment.isExternalStorageEmulated()) { 15907 mounted = true; 15908 } else { 15909 final String status = Environment.getExternalStorageState(); 15910 15911 mounted = status.equals(Environment.MEDIA_MOUNTED) 15912 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15913 } 15914 15915 if (!mounted) { 15916 return; 15917 } 15918 15919 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15920 int[] users; 15921 if (userId == UserHandle.USER_ALL) { 15922 users = sUserManager.getUserIds(); 15923 } else { 15924 users = new int[] { userId }; 15925 } 15926 final ClearStorageConnection conn = new ClearStorageConnection(); 15927 if (mContext.bindServiceAsUser( 15928 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15929 try { 15930 for (int curUser : users) { 15931 long timeout = SystemClock.uptimeMillis() + 5000; 15932 synchronized (conn) { 15933 long now = SystemClock.uptimeMillis(); 15934 while (conn.mContainerService == null && now < timeout) { 15935 try { 15936 conn.wait(timeout - now); 15937 } catch (InterruptedException e) { 15938 } 15939 } 15940 } 15941 if (conn.mContainerService == null) { 15942 return; 15943 } 15944 15945 final UserEnvironment userEnv = new UserEnvironment(curUser); 15946 clearDirectory(conn.mContainerService, 15947 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15948 if (allData) { 15949 clearDirectory(conn.mContainerService, 15950 userEnv.buildExternalStorageAppDataDirs(packageName)); 15951 clearDirectory(conn.mContainerService, 15952 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15953 } 15954 } 15955 } finally { 15956 mContext.unbindService(conn); 15957 } 15958 } 15959 } 15960 15961 @Override 15962 public void clearApplicationProfileData(String packageName) { 15963 enforceSystemOrRoot("Only the system can clear all profile data"); 15964 15965 final PackageParser.Package pkg; 15966 synchronized (mPackages) { 15967 pkg = mPackages.get(packageName); 15968 } 15969 15970 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 15971 synchronized (mInstallLock) { 15972 clearAppProfilesLIF(pkg); 15973 } 15974 } 15975 } 15976 15977 @Override 15978 public void clearApplicationUserData(final String packageName, 15979 final IPackageDataObserver observer, final int userId) { 15980 mContext.enforceCallingOrSelfPermission( 15981 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15982 15983 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15984 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15985 15986 final DevicePolicyManagerInternal dpmi = LocalServices 15987 .getService(DevicePolicyManagerInternal.class); 15988 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15989 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15990 } 15991 // Queue up an async operation since the package deletion may take a little while. 15992 mHandler.post(new Runnable() { 15993 public void run() { 15994 mHandler.removeCallbacks(this); 15995 final boolean succeeded; 15996 try (PackageFreezer freezer = freezePackage(packageName, 15997 "clearApplicationUserData")) { 15998 synchronized (mInstallLock) { 15999 succeeded = clearApplicationUserDataLIF(packageName, userId); 16000 } 16001 clearExternalStorageDataSync(packageName, userId, true); 16002 } 16003 if (succeeded) { 16004 // invoke DeviceStorageMonitor's update method to clear any notifications 16005 DeviceStorageMonitorInternal dsm = LocalServices 16006 .getService(DeviceStorageMonitorInternal.class); 16007 if (dsm != null) { 16008 dsm.checkMemory(); 16009 } 16010 } 16011 if(observer != null) { 16012 try { 16013 observer.onRemoveCompleted(packageName, succeeded); 16014 } catch (RemoteException e) { 16015 Log.i(TAG, "Observer no longer exists."); 16016 } 16017 } //end if observer 16018 } //end run 16019 }); 16020 } 16021 16022 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16023 if (packageName == null) { 16024 Slog.w(TAG, "Attempt to delete null packageName."); 16025 return false; 16026 } 16027 16028 // Try finding details about the requested package 16029 PackageParser.Package pkg; 16030 synchronized (mPackages) { 16031 pkg = mPackages.get(packageName); 16032 if (pkg == null) { 16033 final PackageSetting ps = mSettings.mPackages.get(packageName); 16034 if (ps != null) { 16035 pkg = ps.pkg; 16036 } 16037 } 16038 16039 if (pkg == null) { 16040 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16041 return false; 16042 } 16043 16044 PackageSetting ps = (PackageSetting) pkg.mExtras; 16045 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16046 } 16047 16048 clearAppDataLIF(pkg, userId, 16049 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16050 16051 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16052 removeKeystoreDataIfNeeded(userId, appId); 16053 16054 final UserManager um = mContext.getSystemService(UserManager.class); 16055 final int flags; 16056 if (um.isUserUnlocked(userId)) { 16057 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16058 } else if (um.isUserRunning(userId)) { 16059 flags = StorageManager.FLAG_STORAGE_DE; 16060 } else { 16061 flags = 0; 16062 } 16063 prepareAppDataContentsLIF(pkg, userId, flags); 16064 16065 return true; 16066 } 16067 16068 /** 16069 * Reverts user permission state changes (permissions and flags) in 16070 * all packages for a given user. 16071 * 16072 * @param userId The device user for which to do a reset. 16073 */ 16074 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16075 final int packageCount = mPackages.size(); 16076 for (int i = 0; i < packageCount; i++) { 16077 PackageParser.Package pkg = mPackages.valueAt(i); 16078 PackageSetting ps = (PackageSetting) pkg.mExtras; 16079 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16080 } 16081 } 16082 16083 /** 16084 * Reverts user permission state changes (permissions and flags). 16085 * 16086 * @param ps The package for which to reset. 16087 * @param userId The device user for which to do a reset. 16088 */ 16089 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16090 final PackageSetting ps, final int userId) { 16091 if (ps.pkg == null) { 16092 return; 16093 } 16094 16095 // These are flags that can change base on user actions. 16096 final int userSettableMask = FLAG_PERMISSION_USER_SET 16097 | FLAG_PERMISSION_USER_FIXED 16098 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16099 | FLAG_PERMISSION_REVIEW_REQUIRED; 16100 16101 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16102 | FLAG_PERMISSION_POLICY_FIXED; 16103 16104 boolean writeInstallPermissions = false; 16105 boolean writeRuntimePermissions = false; 16106 16107 final int permissionCount = ps.pkg.requestedPermissions.size(); 16108 for (int i = 0; i < permissionCount; i++) { 16109 String permission = ps.pkg.requestedPermissions.get(i); 16110 16111 BasePermission bp = mSettings.mPermissions.get(permission); 16112 if (bp == null) { 16113 continue; 16114 } 16115 16116 // If shared user we just reset the state to which only this app contributed. 16117 if (ps.sharedUser != null) { 16118 boolean used = false; 16119 final int packageCount = ps.sharedUser.packages.size(); 16120 for (int j = 0; j < packageCount; j++) { 16121 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16122 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16123 && pkg.pkg.requestedPermissions.contains(permission)) { 16124 used = true; 16125 break; 16126 } 16127 } 16128 if (used) { 16129 continue; 16130 } 16131 } 16132 16133 PermissionsState permissionsState = ps.getPermissionsState(); 16134 16135 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16136 16137 // Always clear the user settable flags. 16138 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16139 bp.name) != null; 16140 // If permission review is enabled and this is a legacy app, mark the 16141 // permission as requiring a review as this is the initial state. 16142 int flags = 0; 16143 if (Build.PERMISSIONS_REVIEW_REQUIRED 16144 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16145 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16146 } 16147 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16148 if (hasInstallState) { 16149 writeInstallPermissions = true; 16150 } else { 16151 writeRuntimePermissions = true; 16152 } 16153 } 16154 16155 // Below is only runtime permission handling. 16156 if (!bp.isRuntime()) { 16157 continue; 16158 } 16159 16160 // Never clobber system or policy. 16161 if ((oldFlags & policyOrSystemFlags) != 0) { 16162 continue; 16163 } 16164 16165 // If this permission was granted by default, make sure it is. 16166 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16167 if (permissionsState.grantRuntimePermission(bp, userId) 16168 != PERMISSION_OPERATION_FAILURE) { 16169 writeRuntimePermissions = true; 16170 } 16171 // If permission review is enabled the permissions for a legacy apps 16172 // are represented as constantly granted runtime ones, so don't revoke. 16173 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16174 // Otherwise, reset the permission. 16175 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16176 switch (revokeResult) { 16177 case PERMISSION_OPERATION_SUCCESS: 16178 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16179 writeRuntimePermissions = true; 16180 final int appId = ps.appId; 16181 mHandler.post(new Runnable() { 16182 @Override 16183 public void run() { 16184 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16185 } 16186 }); 16187 } break; 16188 } 16189 } 16190 } 16191 16192 // Synchronously write as we are taking permissions away. 16193 if (writeRuntimePermissions) { 16194 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16195 } 16196 16197 // Synchronously write as we are taking permissions away. 16198 if (writeInstallPermissions) { 16199 mSettings.writeLPr(); 16200 } 16201 } 16202 16203 /** 16204 * Remove entries from the keystore daemon. Will only remove it if the 16205 * {@code appId} is valid. 16206 */ 16207 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16208 if (appId < 0) { 16209 return; 16210 } 16211 16212 final KeyStore keyStore = KeyStore.getInstance(); 16213 if (keyStore != null) { 16214 if (userId == UserHandle.USER_ALL) { 16215 for (final int individual : sUserManager.getUserIds()) { 16216 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16217 } 16218 } else { 16219 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16220 } 16221 } else { 16222 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16223 } 16224 } 16225 16226 @Override 16227 public void deleteApplicationCacheFiles(final String packageName, 16228 final IPackageDataObserver observer) { 16229 final int userId = UserHandle.getCallingUserId(); 16230 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16231 } 16232 16233 @Override 16234 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16235 final IPackageDataObserver observer) { 16236 mContext.enforceCallingOrSelfPermission( 16237 android.Manifest.permission.DELETE_CACHE_FILES, null); 16238 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16239 /* requireFullPermission= */ true, /* checkShell= */ false, 16240 "delete application cache files"); 16241 16242 final PackageParser.Package pkg; 16243 synchronized (mPackages) { 16244 pkg = mPackages.get(packageName); 16245 } 16246 16247 // Queue up an async operation since the package deletion may take a little while. 16248 mHandler.post(new Runnable() { 16249 public void run() { 16250 synchronized (mInstallLock) { 16251 final int flags = StorageManager.FLAG_STORAGE_DE 16252 | StorageManager.FLAG_STORAGE_CE; 16253 // We're only clearing cache files, so we don't care if the 16254 // app is unfrozen and still able to run 16255 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16256 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16257 } 16258 clearExternalStorageDataSync(packageName, userId, false); 16259 if (observer != null) { 16260 try { 16261 observer.onRemoveCompleted(packageName, true); 16262 } catch (RemoteException e) { 16263 Log.i(TAG, "Observer no longer exists."); 16264 } 16265 } 16266 } 16267 }); 16268 } 16269 16270 @Override 16271 public void getPackageSizeInfo(final String packageName, int userHandle, 16272 final IPackageStatsObserver observer) { 16273 mContext.enforceCallingOrSelfPermission( 16274 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16275 if (packageName == null) { 16276 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16277 } 16278 16279 PackageStats stats = new PackageStats(packageName, userHandle); 16280 16281 /* 16282 * Queue up an async operation since the package measurement may take a 16283 * little while. 16284 */ 16285 Message msg = mHandler.obtainMessage(INIT_COPY); 16286 msg.obj = new MeasureParams(stats, observer); 16287 mHandler.sendMessage(msg); 16288 } 16289 16290 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16291 final PackageSetting ps; 16292 synchronized (mPackages) { 16293 ps = mSettings.mPackages.get(packageName); 16294 if (ps == null) { 16295 Slog.w(TAG, "Failed to find settings for " + packageName); 16296 return false; 16297 } 16298 } 16299 try { 16300 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16301 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16302 ps.getCeDataInode(userId), ps.codePathString, stats); 16303 } catch (InstallerException e) { 16304 Slog.w(TAG, String.valueOf(e)); 16305 return false; 16306 } 16307 16308 // For now, ignore code size of packages on system partition 16309 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16310 stats.codeSize = 0; 16311 } 16312 16313 return true; 16314 } 16315 16316 private int getUidTargetSdkVersionLockedLPr(int uid) { 16317 Object obj = mSettings.getUserIdLPr(uid); 16318 if (obj instanceof SharedUserSetting) { 16319 final SharedUserSetting sus = (SharedUserSetting) obj; 16320 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16321 final Iterator<PackageSetting> it = sus.packages.iterator(); 16322 while (it.hasNext()) { 16323 final PackageSetting ps = it.next(); 16324 if (ps.pkg != null) { 16325 int v = ps.pkg.applicationInfo.targetSdkVersion; 16326 if (v < vers) vers = v; 16327 } 16328 } 16329 return vers; 16330 } else if (obj instanceof PackageSetting) { 16331 final PackageSetting ps = (PackageSetting) obj; 16332 if (ps.pkg != null) { 16333 return ps.pkg.applicationInfo.targetSdkVersion; 16334 } 16335 } 16336 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16337 } 16338 16339 @Override 16340 public void addPreferredActivity(IntentFilter filter, int match, 16341 ComponentName[] set, ComponentName activity, int userId) { 16342 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16343 "Adding preferred"); 16344 } 16345 16346 private void addPreferredActivityInternal(IntentFilter filter, int match, 16347 ComponentName[] set, ComponentName activity, boolean always, int userId, 16348 String opname) { 16349 // writer 16350 int callingUid = Binder.getCallingUid(); 16351 enforceCrossUserPermission(callingUid, userId, 16352 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16353 if (filter.countActions() == 0) { 16354 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16355 return; 16356 } 16357 synchronized (mPackages) { 16358 if (mContext.checkCallingOrSelfPermission( 16359 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16360 != PackageManager.PERMISSION_GRANTED) { 16361 if (getUidTargetSdkVersionLockedLPr(callingUid) 16362 < Build.VERSION_CODES.FROYO) { 16363 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16364 + callingUid); 16365 return; 16366 } 16367 mContext.enforceCallingOrSelfPermission( 16368 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16369 } 16370 16371 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16372 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16373 + userId + ":"); 16374 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16375 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16376 scheduleWritePackageRestrictionsLocked(userId); 16377 } 16378 } 16379 16380 @Override 16381 public void replacePreferredActivity(IntentFilter filter, int match, 16382 ComponentName[] set, ComponentName activity, int userId) { 16383 if (filter.countActions() != 1) { 16384 throw new IllegalArgumentException( 16385 "replacePreferredActivity expects filter to have only 1 action."); 16386 } 16387 if (filter.countDataAuthorities() != 0 16388 || filter.countDataPaths() != 0 16389 || filter.countDataSchemes() > 1 16390 || filter.countDataTypes() != 0) { 16391 throw new IllegalArgumentException( 16392 "replacePreferredActivity expects filter to have no data authorities, " + 16393 "paths, or types; and at most one scheme."); 16394 } 16395 16396 final int callingUid = Binder.getCallingUid(); 16397 enforceCrossUserPermission(callingUid, userId, 16398 true /* requireFullPermission */, false /* checkShell */, 16399 "replace preferred activity"); 16400 synchronized (mPackages) { 16401 if (mContext.checkCallingOrSelfPermission( 16402 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16403 != PackageManager.PERMISSION_GRANTED) { 16404 if (getUidTargetSdkVersionLockedLPr(callingUid) 16405 < Build.VERSION_CODES.FROYO) { 16406 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16407 + Binder.getCallingUid()); 16408 return; 16409 } 16410 mContext.enforceCallingOrSelfPermission( 16411 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16412 } 16413 16414 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16415 if (pir != null) { 16416 // Get all of the existing entries that exactly match this filter. 16417 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16418 if (existing != null && existing.size() == 1) { 16419 PreferredActivity cur = existing.get(0); 16420 if (DEBUG_PREFERRED) { 16421 Slog.i(TAG, "Checking replace of preferred:"); 16422 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16423 if (!cur.mPref.mAlways) { 16424 Slog.i(TAG, " -- CUR; not mAlways!"); 16425 } else { 16426 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16427 Slog.i(TAG, " -- CUR: mSet=" 16428 + Arrays.toString(cur.mPref.mSetComponents)); 16429 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16430 Slog.i(TAG, " -- NEW: mMatch=" 16431 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16432 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16433 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16434 } 16435 } 16436 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16437 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16438 && cur.mPref.sameSet(set)) { 16439 // Setting the preferred activity to what it happens to be already 16440 if (DEBUG_PREFERRED) { 16441 Slog.i(TAG, "Replacing with same preferred activity " 16442 + cur.mPref.mShortComponent + " for user " 16443 + userId + ":"); 16444 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16445 } 16446 return; 16447 } 16448 } 16449 16450 if (existing != null) { 16451 if (DEBUG_PREFERRED) { 16452 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16453 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16454 } 16455 for (int i = 0; i < existing.size(); i++) { 16456 PreferredActivity pa = existing.get(i); 16457 if (DEBUG_PREFERRED) { 16458 Slog.i(TAG, "Removing existing preferred activity " 16459 + pa.mPref.mComponent + ":"); 16460 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16461 } 16462 pir.removeFilter(pa); 16463 } 16464 } 16465 } 16466 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16467 "Replacing preferred"); 16468 } 16469 } 16470 16471 @Override 16472 public void clearPackagePreferredActivities(String packageName) { 16473 final int uid = Binder.getCallingUid(); 16474 // writer 16475 synchronized (mPackages) { 16476 PackageParser.Package pkg = mPackages.get(packageName); 16477 if (pkg == null || pkg.applicationInfo.uid != uid) { 16478 if (mContext.checkCallingOrSelfPermission( 16479 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16480 != PackageManager.PERMISSION_GRANTED) { 16481 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16482 < Build.VERSION_CODES.FROYO) { 16483 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16484 + Binder.getCallingUid()); 16485 return; 16486 } 16487 mContext.enforceCallingOrSelfPermission( 16488 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16489 } 16490 } 16491 16492 int user = UserHandle.getCallingUserId(); 16493 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16494 scheduleWritePackageRestrictionsLocked(user); 16495 } 16496 } 16497 } 16498 16499 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16500 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16501 ArrayList<PreferredActivity> removed = null; 16502 boolean changed = false; 16503 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16504 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16505 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16506 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16507 continue; 16508 } 16509 Iterator<PreferredActivity> it = pir.filterIterator(); 16510 while (it.hasNext()) { 16511 PreferredActivity pa = it.next(); 16512 // Mark entry for removal only if it matches the package name 16513 // and the entry is of type "always". 16514 if (packageName == null || 16515 (pa.mPref.mComponent.getPackageName().equals(packageName) 16516 && pa.mPref.mAlways)) { 16517 if (removed == null) { 16518 removed = new ArrayList<PreferredActivity>(); 16519 } 16520 removed.add(pa); 16521 } 16522 } 16523 if (removed != null) { 16524 for (int j=0; j<removed.size(); j++) { 16525 PreferredActivity pa = removed.get(j); 16526 pir.removeFilter(pa); 16527 } 16528 changed = true; 16529 } 16530 } 16531 return changed; 16532 } 16533 16534 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16535 private void clearIntentFilterVerificationsLPw(int userId) { 16536 final int packageCount = mPackages.size(); 16537 for (int i = 0; i < packageCount; i++) { 16538 PackageParser.Package pkg = mPackages.valueAt(i); 16539 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16540 } 16541 } 16542 16543 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16544 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16545 if (userId == UserHandle.USER_ALL) { 16546 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16547 sUserManager.getUserIds())) { 16548 for (int oneUserId : sUserManager.getUserIds()) { 16549 scheduleWritePackageRestrictionsLocked(oneUserId); 16550 } 16551 } 16552 } else { 16553 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16554 scheduleWritePackageRestrictionsLocked(userId); 16555 } 16556 } 16557 } 16558 16559 void clearDefaultBrowserIfNeeded(String packageName) { 16560 for (int oneUserId : sUserManager.getUserIds()) { 16561 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16562 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16563 if (packageName.equals(defaultBrowserPackageName)) { 16564 setDefaultBrowserPackageName(null, oneUserId); 16565 } 16566 } 16567 } 16568 16569 @Override 16570 public void resetApplicationPreferences(int userId) { 16571 mContext.enforceCallingOrSelfPermission( 16572 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16573 // writer 16574 synchronized (mPackages) { 16575 final long identity = Binder.clearCallingIdentity(); 16576 try { 16577 clearPackagePreferredActivitiesLPw(null, userId); 16578 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16579 // TODO: We have to reset the default SMS and Phone. This requires 16580 // significant refactoring to keep all default apps in the package 16581 // manager (cleaner but more work) or have the services provide 16582 // callbacks to the package manager to request a default app reset. 16583 applyFactoryDefaultBrowserLPw(userId); 16584 clearIntentFilterVerificationsLPw(userId); 16585 primeDomainVerificationsLPw(userId); 16586 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16587 scheduleWritePackageRestrictionsLocked(userId); 16588 } finally { 16589 Binder.restoreCallingIdentity(identity); 16590 } 16591 } 16592 } 16593 16594 @Override 16595 public int getPreferredActivities(List<IntentFilter> outFilters, 16596 List<ComponentName> outActivities, String packageName) { 16597 16598 int num = 0; 16599 final int userId = UserHandle.getCallingUserId(); 16600 // reader 16601 synchronized (mPackages) { 16602 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16603 if (pir != null) { 16604 final Iterator<PreferredActivity> it = pir.filterIterator(); 16605 while (it.hasNext()) { 16606 final PreferredActivity pa = it.next(); 16607 if (packageName == null 16608 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16609 && pa.mPref.mAlways)) { 16610 if (outFilters != null) { 16611 outFilters.add(new IntentFilter(pa)); 16612 } 16613 if (outActivities != null) { 16614 outActivities.add(pa.mPref.mComponent); 16615 } 16616 } 16617 } 16618 } 16619 } 16620 16621 return num; 16622 } 16623 16624 @Override 16625 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16626 int userId) { 16627 int callingUid = Binder.getCallingUid(); 16628 if (callingUid != Process.SYSTEM_UID) { 16629 throw new SecurityException( 16630 "addPersistentPreferredActivity can only be run by the system"); 16631 } 16632 if (filter.countActions() == 0) { 16633 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16634 return; 16635 } 16636 synchronized (mPackages) { 16637 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16638 ":"); 16639 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16640 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16641 new PersistentPreferredActivity(filter, activity)); 16642 scheduleWritePackageRestrictionsLocked(userId); 16643 } 16644 } 16645 16646 @Override 16647 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16648 int callingUid = Binder.getCallingUid(); 16649 if (callingUid != Process.SYSTEM_UID) { 16650 throw new SecurityException( 16651 "clearPackagePersistentPreferredActivities can only be run by the system"); 16652 } 16653 ArrayList<PersistentPreferredActivity> removed = null; 16654 boolean changed = false; 16655 synchronized (mPackages) { 16656 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16657 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16658 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16659 .valueAt(i); 16660 if (userId != thisUserId) { 16661 continue; 16662 } 16663 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16664 while (it.hasNext()) { 16665 PersistentPreferredActivity ppa = it.next(); 16666 // Mark entry for removal only if it matches the package name. 16667 if (ppa.mComponent.getPackageName().equals(packageName)) { 16668 if (removed == null) { 16669 removed = new ArrayList<PersistentPreferredActivity>(); 16670 } 16671 removed.add(ppa); 16672 } 16673 } 16674 if (removed != null) { 16675 for (int j=0; j<removed.size(); j++) { 16676 PersistentPreferredActivity ppa = removed.get(j); 16677 ppir.removeFilter(ppa); 16678 } 16679 changed = true; 16680 } 16681 } 16682 16683 if (changed) { 16684 scheduleWritePackageRestrictionsLocked(userId); 16685 } 16686 } 16687 } 16688 16689 /** 16690 * Common machinery for picking apart a restored XML blob and passing 16691 * it to a caller-supplied functor to be applied to the running system. 16692 */ 16693 private void restoreFromXml(XmlPullParser parser, int userId, 16694 String expectedStartTag, BlobXmlRestorer functor) 16695 throws IOException, XmlPullParserException { 16696 int type; 16697 while ((type = parser.next()) != XmlPullParser.START_TAG 16698 && type != XmlPullParser.END_DOCUMENT) { 16699 } 16700 if (type != XmlPullParser.START_TAG) { 16701 // oops didn't find a start tag?! 16702 if (DEBUG_BACKUP) { 16703 Slog.e(TAG, "Didn't find start tag during restore"); 16704 } 16705 return; 16706 } 16707Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16708 // this is supposed to be TAG_PREFERRED_BACKUP 16709 if (!expectedStartTag.equals(parser.getName())) { 16710 if (DEBUG_BACKUP) { 16711 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16712 } 16713 return; 16714 } 16715 16716 // skip interfering stuff, then we're aligned with the backing implementation 16717 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16718Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16719 functor.apply(parser, userId); 16720 } 16721 16722 private interface BlobXmlRestorer { 16723 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16724 } 16725 16726 /** 16727 * Non-Binder method, support for the backup/restore mechanism: write the 16728 * full set of preferred activities in its canonical XML format. Returns the 16729 * XML output as a byte array, or null if there is none. 16730 */ 16731 @Override 16732 public byte[] getPreferredActivityBackup(int userId) { 16733 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16734 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16735 } 16736 16737 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16738 try { 16739 final XmlSerializer serializer = new FastXmlSerializer(); 16740 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16741 serializer.startDocument(null, true); 16742 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16743 16744 synchronized (mPackages) { 16745 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16746 } 16747 16748 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16749 serializer.endDocument(); 16750 serializer.flush(); 16751 } catch (Exception e) { 16752 if (DEBUG_BACKUP) { 16753 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16754 } 16755 return null; 16756 } 16757 16758 return dataStream.toByteArray(); 16759 } 16760 16761 @Override 16762 public void restorePreferredActivities(byte[] backup, int userId) { 16763 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16764 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16765 } 16766 16767 try { 16768 final XmlPullParser parser = Xml.newPullParser(); 16769 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16770 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16771 new BlobXmlRestorer() { 16772 @Override 16773 public void apply(XmlPullParser parser, int userId) 16774 throws XmlPullParserException, IOException { 16775 synchronized (mPackages) { 16776 mSettings.readPreferredActivitiesLPw(parser, userId); 16777 } 16778 } 16779 } ); 16780 } catch (Exception e) { 16781 if (DEBUG_BACKUP) { 16782 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16783 } 16784 } 16785 } 16786 16787 /** 16788 * Non-Binder method, support for the backup/restore mechanism: write the 16789 * default browser (etc) settings in its canonical XML format. Returns the default 16790 * browser XML representation as a byte array, or null if there is none. 16791 */ 16792 @Override 16793 public byte[] getDefaultAppsBackup(int userId) { 16794 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16795 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16796 } 16797 16798 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16799 try { 16800 final XmlSerializer serializer = new FastXmlSerializer(); 16801 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16802 serializer.startDocument(null, true); 16803 serializer.startTag(null, TAG_DEFAULT_APPS); 16804 16805 synchronized (mPackages) { 16806 mSettings.writeDefaultAppsLPr(serializer, userId); 16807 } 16808 16809 serializer.endTag(null, TAG_DEFAULT_APPS); 16810 serializer.endDocument(); 16811 serializer.flush(); 16812 } catch (Exception e) { 16813 if (DEBUG_BACKUP) { 16814 Slog.e(TAG, "Unable to write default apps for backup", e); 16815 } 16816 return null; 16817 } 16818 16819 return dataStream.toByteArray(); 16820 } 16821 16822 @Override 16823 public void restoreDefaultApps(byte[] backup, int userId) { 16824 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16825 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16826 } 16827 16828 try { 16829 final XmlPullParser parser = Xml.newPullParser(); 16830 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16831 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16832 new BlobXmlRestorer() { 16833 @Override 16834 public void apply(XmlPullParser parser, int userId) 16835 throws XmlPullParserException, IOException { 16836 synchronized (mPackages) { 16837 mSettings.readDefaultAppsLPw(parser, userId); 16838 } 16839 } 16840 } ); 16841 } catch (Exception e) { 16842 if (DEBUG_BACKUP) { 16843 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16844 } 16845 } 16846 } 16847 16848 @Override 16849 public byte[] getIntentFilterVerificationBackup(int userId) { 16850 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16851 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16852 } 16853 16854 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16855 try { 16856 final XmlSerializer serializer = new FastXmlSerializer(); 16857 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16858 serializer.startDocument(null, true); 16859 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16860 16861 synchronized (mPackages) { 16862 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16863 } 16864 16865 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16866 serializer.endDocument(); 16867 serializer.flush(); 16868 } catch (Exception e) { 16869 if (DEBUG_BACKUP) { 16870 Slog.e(TAG, "Unable to write default apps for backup", e); 16871 } 16872 return null; 16873 } 16874 16875 return dataStream.toByteArray(); 16876 } 16877 16878 @Override 16879 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16880 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16881 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16882 } 16883 16884 try { 16885 final XmlPullParser parser = Xml.newPullParser(); 16886 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16887 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16888 new BlobXmlRestorer() { 16889 @Override 16890 public void apply(XmlPullParser parser, int userId) 16891 throws XmlPullParserException, IOException { 16892 synchronized (mPackages) { 16893 mSettings.readAllDomainVerificationsLPr(parser, userId); 16894 mSettings.writeLPr(); 16895 } 16896 } 16897 } ); 16898 } catch (Exception e) { 16899 if (DEBUG_BACKUP) { 16900 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16901 } 16902 } 16903 } 16904 16905 @Override 16906 public byte[] getPermissionGrantBackup(int userId) { 16907 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16908 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16909 } 16910 16911 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16912 try { 16913 final XmlSerializer serializer = new FastXmlSerializer(); 16914 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16915 serializer.startDocument(null, true); 16916 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16917 16918 synchronized (mPackages) { 16919 serializeRuntimePermissionGrantsLPr(serializer, userId); 16920 } 16921 16922 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16923 serializer.endDocument(); 16924 serializer.flush(); 16925 } catch (Exception e) { 16926 if (DEBUG_BACKUP) { 16927 Slog.e(TAG, "Unable to write default apps for backup", e); 16928 } 16929 return null; 16930 } 16931 16932 return dataStream.toByteArray(); 16933 } 16934 16935 @Override 16936 public void restorePermissionGrants(byte[] backup, int userId) { 16937 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16938 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16939 } 16940 16941 try { 16942 final XmlPullParser parser = Xml.newPullParser(); 16943 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16944 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16945 new BlobXmlRestorer() { 16946 @Override 16947 public void apply(XmlPullParser parser, int userId) 16948 throws XmlPullParserException, IOException { 16949 synchronized (mPackages) { 16950 processRestoredPermissionGrantsLPr(parser, userId); 16951 } 16952 } 16953 } ); 16954 } catch (Exception e) { 16955 if (DEBUG_BACKUP) { 16956 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16957 } 16958 } 16959 } 16960 16961 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16962 throws IOException { 16963 serializer.startTag(null, TAG_ALL_GRANTS); 16964 16965 final int N = mSettings.mPackages.size(); 16966 for (int i = 0; i < N; i++) { 16967 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16968 boolean pkgGrantsKnown = false; 16969 16970 PermissionsState packagePerms = ps.getPermissionsState(); 16971 16972 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16973 final int grantFlags = state.getFlags(); 16974 // only look at grants that are not system/policy fixed 16975 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16976 final boolean isGranted = state.isGranted(); 16977 // And only back up the user-twiddled state bits 16978 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16979 final String packageName = mSettings.mPackages.keyAt(i); 16980 if (!pkgGrantsKnown) { 16981 serializer.startTag(null, TAG_GRANT); 16982 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16983 pkgGrantsKnown = true; 16984 } 16985 16986 final boolean userSet = 16987 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16988 final boolean userFixed = 16989 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16990 final boolean revoke = 16991 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16992 16993 serializer.startTag(null, TAG_PERMISSION); 16994 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16995 if (isGranted) { 16996 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16997 } 16998 if (userSet) { 16999 serializer.attribute(null, ATTR_USER_SET, "true"); 17000 } 17001 if (userFixed) { 17002 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17003 } 17004 if (revoke) { 17005 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17006 } 17007 serializer.endTag(null, TAG_PERMISSION); 17008 } 17009 } 17010 } 17011 17012 if (pkgGrantsKnown) { 17013 serializer.endTag(null, TAG_GRANT); 17014 } 17015 } 17016 17017 serializer.endTag(null, TAG_ALL_GRANTS); 17018 } 17019 17020 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17021 throws XmlPullParserException, IOException { 17022 String pkgName = null; 17023 int outerDepth = parser.getDepth(); 17024 int type; 17025 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17026 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17027 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17028 continue; 17029 } 17030 17031 final String tagName = parser.getName(); 17032 if (tagName.equals(TAG_GRANT)) { 17033 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17034 if (DEBUG_BACKUP) { 17035 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17036 } 17037 } else if (tagName.equals(TAG_PERMISSION)) { 17038 17039 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17040 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17041 17042 int newFlagSet = 0; 17043 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17044 newFlagSet |= FLAG_PERMISSION_USER_SET; 17045 } 17046 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17047 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17048 } 17049 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17050 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17051 } 17052 if (DEBUG_BACKUP) { 17053 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17054 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17055 } 17056 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17057 if (ps != null) { 17058 // Already installed so we apply the grant immediately 17059 if (DEBUG_BACKUP) { 17060 Slog.v(TAG, " + already installed; applying"); 17061 } 17062 PermissionsState perms = ps.getPermissionsState(); 17063 BasePermission bp = mSettings.mPermissions.get(permName); 17064 if (bp != null) { 17065 if (isGranted) { 17066 perms.grantRuntimePermission(bp, userId); 17067 } 17068 if (newFlagSet != 0) { 17069 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17070 } 17071 } 17072 } else { 17073 // Need to wait for post-restore install to apply the grant 17074 if (DEBUG_BACKUP) { 17075 Slog.v(TAG, " - not yet installed; saving for later"); 17076 } 17077 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17078 isGranted, newFlagSet, userId); 17079 } 17080 } else { 17081 PackageManagerService.reportSettingsProblem(Log.WARN, 17082 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17083 XmlUtils.skipCurrentTag(parser); 17084 } 17085 } 17086 17087 scheduleWriteSettingsLocked(); 17088 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17089 } 17090 17091 @Override 17092 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17093 int sourceUserId, int targetUserId, int flags) { 17094 mContext.enforceCallingOrSelfPermission( 17095 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17096 int callingUid = Binder.getCallingUid(); 17097 enforceOwnerRights(ownerPackage, callingUid); 17098 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17099 if (intentFilter.countActions() == 0) { 17100 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17101 return; 17102 } 17103 synchronized (mPackages) { 17104 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17105 ownerPackage, targetUserId, flags); 17106 CrossProfileIntentResolver resolver = 17107 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17108 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17109 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17110 if (existing != null) { 17111 int size = existing.size(); 17112 for (int i = 0; i < size; i++) { 17113 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17114 return; 17115 } 17116 } 17117 } 17118 resolver.addFilter(newFilter); 17119 scheduleWritePackageRestrictionsLocked(sourceUserId); 17120 } 17121 } 17122 17123 @Override 17124 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17125 mContext.enforceCallingOrSelfPermission( 17126 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17127 int callingUid = Binder.getCallingUid(); 17128 enforceOwnerRights(ownerPackage, callingUid); 17129 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17130 synchronized (mPackages) { 17131 CrossProfileIntentResolver resolver = 17132 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17133 ArraySet<CrossProfileIntentFilter> set = 17134 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17135 for (CrossProfileIntentFilter filter : set) { 17136 if (filter.getOwnerPackage().equals(ownerPackage)) { 17137 resolver.removeFilter(filter); 17138 } 17139 } 17140 scheduleWritePackageRestrictionsLocked(sourceUserId); 17141 } 17142 } 17143 17144 // Enforcing that callingUid is owning pkg on userId 17145 private void enforceOwnerRights(String pkg, int callingUid) { 17146 // The system owns everything. 17147 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17148 return; 17149 } 17150 int callingUserId = UserHandle.getUserId(callingUid); 17151 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17152 if (pi == null) { 17153 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17154 + callingUserId); 17155 } 17156 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17157 throw new SecurityException("Calling uid " + callingUid 17158 + " does not own package " + pkg); 17159 } 17160 } 17161 17162 @Override 17163 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17164 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17165 } 17166 17167 private Intent getHomeIntent() { 17168 Intent intent = new Intent(Intent.ACTION_MAIN); 17169 intent.addCategory(Intent.CATEGORY_HOME); 17170 return intent; 17171 } 17172 17173 private IntentFilter getHomeFilter() { 17174 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17175 filter.addCategory(Intent.CATEGORY_HOME); 17176 filter.addCategory(Intent.CATEGORY_DEFAULT); 17177 return filter; 17178 } 17179 17180 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17181 int userId) { 17182 Intent intent = getHomeIntent(); 17183 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17184 PackageManager.GET_META_DATA, userId); 17185 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17186 true, false, false, userId); 17187 17188 allHomeCandidates.clear(); 17189 if (list != null) { 17190 for (ResolveInfo ri : list) { 17191 allHomeCandidates.add(ri); 17192 } 17193 } 17194 return (preferred == null || preferred.activityInfo == null) 17195 ? null 17196 : new ComponentName(preferred.activityInfo.packageName, 17197 preferred.activityInfo.name); 17198 } 17199 17200 @Override 17201 public void setHomeActivity(ComponentName comp, int userId) { 17202 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17203 getHomeActivitiesAsUser(homeActivities, userId); 17204 17205 boolean found = false; 17206 17207 final int size = homeActivities.size(); 17208 final ComponentName[] set = new ComponentName[size]; 17209 for (int i = 0; i < size; i++) { 17210 final ResolveInfo candidate = homeActivities.get(i); 17211 final ActivityInfo info = candidate.activityInfo; 17212 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17213 set[i] = activityName; 17214 if (!found && activityName.equals(comp)) { 17215 found = true; 17216 } 17217 } 17218 if (!found) { 17219 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17220 + userId); 17221 } 17222 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17223 set, comp, userId); 17224 } 17225 17226 private @Nullable String getSetupWizardPackageName() { 17227 final Intent intent = new Intent(Intent.ACTION_MAIN); 17228 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17229 17230 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17231 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17232 | MATCH_DISABLED_COMPONENTS, 17233 UserHandle.myUserId()); 17234 if (matches.size() == 1) { 17235 return matches.get(0).getComponentInfo().packageName; 17236 } else { 17237 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17238 + ": matches=" + matches); 17239 return null; 17240 } 17241 } 17242 17243 @Override 17244 public void setApplicationEnabledSetting(String appPackageName, 17245 int newState, int flags, int userId, String callingPackage) { 17246 if (!sUserManager.exists(userId)) return; 17247 if (callingPackage == null) { 17248 callingPackage = Integer.toString(Binder.getCallingUid()); 17249 } 17250 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17251 } 17252 17253 @Override 17254 public void setComponentEnabledSetting(ComponentName componentName, 17255 int newState, int flags, int userId) { 17256 if (!sUserManager.exists(userId)) return; 17257 setEnabledSetting(componentName.getPackageName(), 17258 componentName.getClassName(), newState, flags, userId, null); 17259 } 17260 17261 private void setEnabledSetting(final String packageName, String className, int newState, 17262 final int flags, int userId, String callingPackage) { 17263 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17264 || newState == COMPONENT_ENABLED_STATE_ENABLED 17265 || newState == COMPONENT_ENABLED_STATE_DISABLED 17266 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17267 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17268 throw new IllegalArgumentException("Invalid new component state: " 17269 + newState); 17270 } 17271 PackageSetting pkgSetting; 17272 final int uid = Binder.getCallingUid(); 17273 final int permission; 17274 if (uid == Process.SYSTEM_UID) { 17275 permission = PackageManager.PERMISSION_GRANTED; 17276 } else { 17277 permission = mContext.checkCallingOrSelfPermission( 17278 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17279 } 17280 enforceCrossUserPermission(uid, userId, 17281 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17282 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17283 boolean sendNow = false; 17284 boolean isApp = (className == null); 17285 String componentName = isApp ? packageName : className; 17286 int packageUid = -1; 17287 ArrayList<String> components; 17288 17289 // writer 17290 synchronized (mPackages) { 17291 pkgSetting = mSettings.mPackages.get(packageName); 17292 if (pkgSetting == null) { 17293 if (className == null) { 17294 throw new IllegalArgumentException("Unknown package: " + packageName); 17295 } 17296 throw new IllegalArgumentException( 17297 "Unknown component: " + packageName + "/" + className); 17298 } 17299 // Allow root and verify that userId is not being specified by a different user 17300 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 17301 throw new SecurityException( 17302 "Permission Denial: attempt to change component state from pid=" 17303 + Binder.getCallingPid() 17304 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17305 } 17306 if (className == null) { 17307 // We're dealing with an application/package level state change 17308 if (pkgSetting.getEnabled(userId) == newState) { 17309 // Nothing to do 17310 return; 17311 } 17312 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17313 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17314 // Don't care about who enables an app. 17315 callingPackage = null; 17316 } 17317 pkgSetting.setEnabled(newState, userId, callingPackage); 17318 // pkgSetting.pkg.mSetEnabled = newState; 17319 } else { 17320 // We're dealing with a component level state change 17321 // First, verify that this is a valid class name. 17322 PackageParser.Package pkg = pkgSetting.pkg; 17323 if (pkg == null || !pkg.hasComponentClassName(className)) { 17324 if (pkg != null && 17325 pkg.applicationInfo.targetSdkVersion >= 17326 Build.VERSION_CODES.JELLY_BEAN) { 17327 throw new IllegalArgumentException("Component class " + className 17328 + " does not exist in " + packageName); 17329 } else { 17330 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17331 + className + " does not exist in " + packageName); 17332 } 17333 } 17334 switch (newState) { 17335 case COMPONENT_ENABLED_STATE_ENABLED: 17336 if (!pkgSetting.enableComponentLPw(className, userId)) { 17337 return; 17338 } 17339 break; 17340 case COMPONENT_ENABLED_STATE_DISABLED: 17341 if (!pkgSetting.disableComponentLPw(className, userId)) { 17342 return; 17343 } 17344 break; 17345 case COMPONENT_ENABLED_STATE_DEFAULT: 17346 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17347 return; 17348 } 17349 break; 17350 default: 17351 Slog.e(TAG, "Invalid new component state: " + newState); 17352 return; 17353 } 17354 } 17355 scheduleWritePackageRestrictionsLocked(userId); 17356 components = mPendingBroadcasts.get(userId, packageName); 17357 final boolean newPackage = components == null; 17358 if (newPackage) { 17359 components = new ArrayList<String>(); 17360 } 17361 if (!components.contains(componentName)) { 17362 components.add(componentName); 17363 } 17364 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17365 sendNow = true; 17366 // Purge entry from pending broadcast list if another one exists already 17367 // since we are sending one right away. 17368 mPendingBroadcasts.remove(userId, packageName); 17369 } else { 17370 if (newPackage) { 17371 mPendingBroadcasts.put(userId, packageName, components); 17372 } 17373 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17374 // Schedule a message 17375 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17376 } 17377 } 17378 } 17379 17380 long callingId = Binder.clearCallingIdentity(); 17381 try { 17382 if (sendNow) { 17383 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17384 sendPackageChangedBroadcast(packageName, 17385 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17386 } 17387 } finally { 17388 Binder.restoreCallingIdentity(callingId); 17389 } 17390 } 17391 17392 @Override 17393 public void flushPackageRestrictionsAsUser(int userId) { 17394 if (!sUserManager.exists(userId)) { 17395 return; 17396 } 17397 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17398 false /* checkShell */, "flushPackageRestrictions"); 17399 synchronized (mPackages) { 17400 mSettings.writePackageRestrictionsLPr(userId); 17401 mDirtyUsers.remove(userId); 17402 if (mDirtyUsers.isEmpty()) { 17403 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17404 } 17405 } 17406 } 17407 17408 private void sendPackageChangedBroadcast(String packageName, 17409 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17410 if (DEBUG_INSTALL) 17411 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17412 + componentNames); 17413 Bundle extras = new Bundle(4); 17414 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17415 String nameList[] = new String[componentNames.size()]; 17416 componentNames.toArray(nameList); 17417 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17418 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17419 extras.putInt(Intent.EXTRA_UID, packageUid); 17420 // If this is not reporting a change of the overall package, then only send it 17421 // to registered receivers. We don't want to launch a swath of apps for every 17422 // little component state change. 17423 final int flags = !componentNames.contains(packageName) 17424 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17425 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17426 new int[] {UserHandle.getUserId(packageUid)}); 17427 } 17428 17429 @Override 17430 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17431 if (!sUserManager.exists(userId)) return; 17432 final int uid = Binder.getCallingUid(); 17433 final int permission = mContext.checkCallingOrSelfPermission( 17434 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17435 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17436 enforceCrossUserPermission(uid, userId, 17437 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17438 // writer 17439 synchronized (mPackages) { 17440 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17441 allowedByPermission, uid, userId)) { 17442 scheduleWritePackageRestrictionsLocked(userId); 17443 } 17444 } 17445 } 17446 17447 @Override 17448 public String getInstallerPackageName(String packageName) { 17449 // reader 17450 synchronized (mPackages) { 17451 return mSettings.getInstallerPackageNameLPr(packageName); 17452 } 17453 } 17454 17455 @Override 17456 public int getApplicationEnabledSetting(String packageName, int userId) { 17457 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17458 int uid = Binder.getCallingUid(); 17459 enforceCrossUserPermission(uid, userId, 17460 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17461 // reader 17462 synchronized (mPackages) { 17463 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17464 } 17465 } 17466 17467 @Override 17468 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17469 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17470 int uid = Binder.getCallingUid(); 17471 enforceCrossUserPermission(uid, userId, 17472 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17473 // reader 17474 synchronized (mPackages) { 17475 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17476 } 17477 } 17478 17479 @Override 17480 public void enterSafeMode() { 17481 enforceSystemOrRoot("Only the system can request entering safe mode"); 17482 17483 if (!mSystemReady) { 17484 mSafeMode = true; 17485 } 17486 } 17487 17488 @Override 17489 public void systemReady() { 17490 mSystemReady = true; 17491 17492 // Read the compatibilty setting when the system is ready. 17493 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17494 mContext.getContentResolver(), 17495 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17496 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17497 if (DEBUG_SETTINGS) { 17498 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17499 } 17500 17501 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17502 17503 synchronized (mPackages) { 17504 // Verify that all of the preferred activity components actually 17505 // exist. It is possible for applications to be updated and at 17506 // that point remove a previously declared activity component that 17507 // had been set as a preferred activity. We try to clean this up 17508 // the next time we encounter that preferred activity, but it is 17509 // possible for the user flow to never be able to return to that 17510 // situation so here we do a sanity check to make sure we haven't 17511 // left any junk around. 17512 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17513 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17514 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17515 removed.clear(); 17516 for (PreferredActivity pa : pir.filterSet()) { 17517 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17518 removed.add(pa); 17519 } 17520 } 17521 if (removed.size() > 0) { 17522 for (int r=0; r<removed.size(); r++) { 17523 PreferredActivity pa = removed.get(r); 17524 Slog.w(TAG, "Removing dangling preferred activity: " 17525 + pa.mPref.mComponent); 17526 pir.removeFilter(pa); 17527 } 17528 mSettings.writePackageRestrictionsLPr( 17529 mSettings.mPreferredActivities.keyAt(i)); 17530 } 17531 } 17532 17533 for (int userId : UserManagerService.getInstance().getUserIds()) { 17534 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17535 grantPermissionsUserIds = ArrayUtils.appendInt( 17536 grantPermissionsUserIds, userId); 17537 } 17538 } 17539 } 17540 sUserManager.systemReady(); 17541 17542 // If we upgraded grant all default permissions before kicking off. 17543 for (int userId : grantPermissionsUserIds) { 17544 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17545 } 17546 17547 // Kick off any messages waiting for system ready 17548 if (mPostSystemReadyMessages != null) { 17549 for (Message msg : mPostSystemReadyMessages) { 17550 msg.sendToTarget(); 17551 } 17552 mPostSystemReadyMessages = null; 17553 } 17554 17555 // Watch for external volumes that come and go over time 17556 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17557 storage.registerListener(mStorageListener); 17558 17559 mInstallerService.systemReady(); 17560 mPackageDexOptimizer.systemReady(); 17561 17562 MountServiceInternal mountServiceInternal = LocalServices.getService( 17563 MountServiceInternal.class); 17564 mountServiceInternal.addExternalStoragePolicy( 17565 new MountServiceInternal.ExternalStorageMountPolicy() { 17566 @Override 17567 public int getMountMode(int uid, String packageName) { 17568 if (Process.isIsolated(uid)) { 17569 return Zygote.MOUNT_EXTERNAL_NONE; 17570 } 17571 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17572 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17573 } 17574 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17575 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17576 } 17577 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17578 return Zygote.MOUNT_EXTERNAL_READ; 17579 } 17580 return Zygote.MOUNT_EXTERNAL_WRITE; 17581 } 17582 17583 @Override 17584 public boolean hasExternalStorage(int uid, String packageName) { 17585 return true; 17586 } 17587 }); 17588 17589 // Now that we're mostly running, clean up stale users and apps 17590 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17591 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17592 } 17593 17594 @Override 17595 public boolean isSafeMode() { 17596 return mSafeMode; 17597 } 17598 17599 @Override 17600 public boolean hasSystemUidErrors() { 17601 return mHasSystemUidErrors; 17602 } 17603 17604 static String arrayToString(int[] array) { 17605 StringBuffer buf = new StringBuffer(128); 17606 buf.append('['); 17607 if (array != null) { 17608 for (int i=0; i<array.length; i++) { 17609 if (i > 0) buf.append(", "); 17610 buf.append(array[i]); 17611 } 17612 } 17613 buf.append(']'); 17614 return buf.toString(); 17615 } 17616 17617 static class DumpState { 17618 public static final int DUMP_LIBS = 1 << 0; 17619 public static final int DUMP_FEATURES = 1 << 1; 17620 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17621 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17622 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17623 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17624 public static final int DUMP_PERMISSIONS = 1 << 6; 17625 public static final int DUMP_PACKAGES = 1 << 7; 17626 public static final int DUMP_SHARED_USERS = 1 << 8; 17627 public static final int DUMP_MESSAGES = 1 << 9; 17628 public static final int DUMP_PROVIDERS = 1 << 10; 17629 public static final int DUMP_VERIFIERS = 1 << 11; 17630 public static final int DUMP_PREFERRED = 1 << 12; 17631 public static final int DUMP_PREFERRED_XML = 1 << 13; 17632 public static final int DUMP_KEYSETS = 1 << 14; 17633 public static final int DUMP_VERSION = 1 << 15; 17634 public static final int DUMP_INSTALLS = 1 << 16; 17635 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17636 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17637 public static final int DUMP_FROZEN = 1 << 19; 17638 17639 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17640 17641 private int mTypes; 17642 17643 private int mOptions; 17644 17645 private boolean mTitlePrinted; 17646 17647 private SharedUserSetting mSharedUser; 17648 17649 public boolean isDumping(int type) { 17650 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17651 return true; 17652 } 17653 17654 return (mTypes & type) != 0; 17655 } 17656 17657 public void setDump(int type) { 17658 mTypes |= type; 17659 } 17660 17661 public boolean isOptionEnabled(int option) { 17662 return (mOptions & option) != 0; 17663 } 17664 17665 public void setOptionEnabled(int option) { 17666 mOptions |= option; 17667 } 17668 17669 public boolean onTitlePrinted() { 17670 final boolean printed = mTitlePrinted; 17671 mTitlePrinted = true; 17672 return printed; 17673 } 17674 17675 public boolean getTitlePrinted() { 17676 return mTitlePrinted; 17677 } 17678 17679 public void setTitlePrinted(boolean enabled) { 17680 mTitlePrinted = enabled; 17681 } 17682 17683 public SharedUserSetting getSharedUser() { 17684 return mSharedUser; 17685 } 17686 17687 public void setSharedUser(SharedUserSetting user) { 17688 mSharedUser = user; 17689 } 17690 } 17691 17692 @Override 17693 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17694 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17695 (new PackageManagerShellCommand(this)).exec( 17696 this, in, out, err, args, resultReceiver); 17697 } 17698 17699 @Override 17700 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17701 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17702 != PackageManager.PERMISSION_GRANTED) { 17703 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17704 + Binder.getCallingPid() 17705 + ", uid=" + Binder.getCallingUid() 17706 + " without permission " 17707 + android.Manifest.permission.DUMP); 17708 return; 17709 } 17710 17711 DumpState dumpState = new DumpState(); 17712 boolean fullPreferred = false; 17713 boolean checkin = false; 17714 17715 String packageName = null; 17716 ArraySet<String> permissionNames = null; 17717 17718 int opti = 0; 17719 while (opti < args.length) { 17720 String opt = args[opti]; 17721 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17722 break; 17723 } 17724 opti++; 17725 17726 if ("-a".equals(opt)) { 17727 // Right now we only know how to print all. 17728 } else if ("-h".equals(opt)) { 17729 pw.println("Package manager dump options:"); 17730 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17731 pw.println(" --checkin: dump for a checkin"); 17732 pw.println(" -f: print details of intent filters"); 17733 pw.println(" -h: print this help"); 17734 pw.println(" cmd may be one of:"); 17735 pw.println(" l[ibraries]: list known shared libraries"); 17736 pw.println(" f[eatures]: list device features"); 17737 pw.println(" k[eysets]: print known keysets"); 17738 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17739 pw.println(" perm[issions]: dump permissions"); 17740 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17741 pw.println(" pref[erred]: print preferred package settings"); 17742 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17743 pw.println(" prov[iders]: dump content providers"); 17744 pw.println(" p[ackages]: dump installed packages"); 17745 pw.println(" s[hared-users]: dump shared user IDs"); 17746 pw.println(" m[essages]: print collected runtime messages"); 17747 pw.println(" v[erifiers]: print package verifier info"); 17748 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17749 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17750 pw.println(" version: print database version info"); 17751 pw.println(" write: write current settings now"); 17752 pw.println(" installs: details about install sessions"); 17753 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17754 pw.println(" <package.name>: info about given package"); 17755 return; 17756 } else if ("--checkin".equals(opt)) { 17757 checkin = true; 17758 } else if ("-f".equals(opt)) { 17759 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17760 } else { 17761 pw.println("Unknown argument: " + opt + "; use -h for help"); 17762 } 17763 } 17764 17765 // Is the caller requesting to dump a particular piece of data? 17766 if (opti < args.length) { 17767 String cmd = args[opti]; 17768 opti++; 17769 // Is this a package name? 17770 if ("android".equals(cmd) || cmd.contains(".")) { 17771 packageName = cmd; 17772 // When dumping a single package, we always dump all of its 17773 // filter information since the amount of data will be reasonable. 17774 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17775 } else if ("check-permission".equals(cmd)) { 17776 if (opti >= args.length) { 17777 pw.println("Error: check-permission missing permission argument"); 17778 return; 17779 } 17780 String perm = args[opti]; 17781 opti++; 17782 if (opti >= args.length) { 17783 pw.println("Error: check-permission missing package argument"); 17784 return; 17785 } 17786 String pkg = args[opti]; 17787 opti++; 17788 int user = UserHandle.getUserId(Binder.getCallingUid()); 17789 if (opti < args.length) { 17790 try { 17791 user = Integer.parseInt(args[opti]); 17792 } catch (NumberFormatException e) { 17793 pw.println("Error: check-permission user argument is not a number: " 17794 + args[opti]); 17795 return; 17796 } 17797 } 17798 pw.println(checkPermission(perm, pkg, user)); 17799 return; 17800 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17801 dumpState.setDump(DumpState.DUMP_LIBS); 17802 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17803 dumpState.setDump(DumpState.DUMP_FEATURES); 17804 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17805 if (opti >= args.length) { 17806 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17807 | DumpState.DUMP_SERVICE_RESOLVERS 17808 | DumpState.DUMP_RECEIVER_RESOLVERS 17809 | DumpState.DUMP_CONTENT_RESOLVERS); 17810 } else { 17811 while (opti < args.length) { 17812 String name = args[opti]; 17813 if ("a".equals(name) || "activity".equals(name)) { 17814 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17815 } else if ("s".equals(name) || "service".equals(name)) { 17816 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17817 } else if ("r".equals(name) || "receiver".equals(name)) { 17818 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17819 } else if ("c".equals(name) || "content".equals(name)) { 17820 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17821 } else { 17822 pw.println("Error: unknown resolver table type: " + name); 17823 return; 17824 } 17825 opti++; 17826 } 17827 } 17828 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17829 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17830 } else if ("permission".equals(cmd)) { 17831 if (opti >= args.length) { 17832 pw.println("Error: permission requires permission name"); 17833 return; 17834 } 17835 permissionNames = new ArraySet<>(); 17836 while (opti < args.length) { 17837 permissionNames.add(args[opti]); 17838 opti++; 17839 } 17840 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17841 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17842 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17843 dumpState.setDump(DumpState.DUMP_PREFERRED); 17844 } else if ("preferred-xml".equals(cmd)) { 17845 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17846 if (opti < args.length && "--full".equals(args[opti])) { 17847 fullPreferred = true; 17848 opti++; 17849 } 17850 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17851 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17852 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17853 dumpState.setDump(DumpState.DUMP_PACKAGES); 17854 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17855 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17856 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17857 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17858 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17859 dumpState.setDump(DumpState.DUMP_MESSAGES); 17860 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17861 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17862 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17863 || "intent-filter-verifiers".equals(cmd)) { 17864 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17865 } else if ("version".equals(cmd)) { 17866 dumpState.setDump(DumpState.DUMP_VERSION); 17867 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17868 dumpState.setDump(DumpState.DUMP_KEYSETS); 17869 } else if ("installs".equals(cmd)) { 17870 dumpState.setDump(DumpState.DUMP_INSTALLS); 17871 } else if ("frozen".equals(cmd)) { 17872 dumpState.setDump(DumpState.DUMP_FROZEN); 17873 } else if ("write".equals(cmd)) { 17874 synchronized (mPackages) { 17875 mSettings.writeLPr(); 17876 pw.println("Settings written."); 17877 return; 17878 } 17879 } 17880 } 17881 17882 if (checkin) { 17883 pw.println("vers,1"); 17884 } 17885 17886 // reader 17887 synchronized (mPackages) { 17888 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17889 if (!checkin) { 17890 if (dumpState.onTitlePrinted()) 17891 pw.println(); 17892 pw.println("Database versions:"); 17893 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17894 } 17895 } 17896 17897 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17898 if (!checkin) { 17899 if (dumpState.onTitlePrinted()) 17900 pw.println(); 17901 pw.println("Verifiers:"); 17902 pw.print(" Required: "); 17903 pw.print(mRequiredVerifierPackage); 17904 pw.print(" (uid="); 17905 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17906 UserHandle.USER_SYSTEM)); 17907 pw.println(")"); 17908 } else if (mRequiredVerifierPackage != null) { 17909 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17910 pw.print(","); 17911 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17912 UserHandle.USER_SYSTEM)); 17913 } 17914 } 17915 17916 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17917 packageName == null) { 17918 if (mIntentFilterVerifierComponent != null) { 17919 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17920 if (!checkin) { 17921 if (dumpState.onTitlePrinted()) 17922 pw.println(); 17923 pw.println("Intent Filter Verifier:"); 17924 pw.print(" Using: "); 17925 pw.print(verifierPackageName); 17926 pw.print(" (uid="); 17927 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17928 UserHandle.USER_SYSTEM)); 17929 pw.println(")"); 17930 } else if (verifierPackageName != null) { 17931 pw.print("ifv,"); pw.print(verifierPackageName); 17932 pw.print(","); 17933 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17934 UserHandle.USER_SYSTEM)); 17935 } 17936 } else { 17937 pw.println(); 17938 pw.println("No Intent Filter Verifier available!"); 17939 } 17940 } 17941 17942 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17943 boolean printedHeader = false; 17944 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17945 while (it.hasNext()) { 17946 String name = it.next(); 17947 SharedLibraryEntry ent = mSharedLibraries.get(name); 17948 if (!checkin) { 17949 if (!printedHeader) { 17950 if (dumpState.onTitlePrinted()) 17951 pw.println(); 17952 pw.println("Libraries:"); 17953 printedHeader = true; 17954 } 17955 pw.print(" "); 17956 } else { 17957 pw.print("lib,"); 17958 } 17959 pw.print(name); 17960 if (!checkin) { 17961 pw.print(" -> "); 17962 } 17963 if (ent.path != null) { 17964 if (!checkin) { 17965 pw.print("(jar) "); 17966 pw.print(ent.path); 17967 } else { 17968 pw.print(",jar,"); 17969 pw.print(ent.path); 17970 } 17971 } else { 17972 if (!checkin) { 17973 pw.print("(apk) "); 17974 pw.print(ent.apk); 17975 } else { 17976 pw.print(",apk,"); 17977 pw.print(ent.apk); 17978 } 17979 } 17980 pw.println(); 17981 } 17982 } 17983 17984 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17985 if (dumpState.onTitlePrinted()) 17986 pw.println(); 17987 if (!checkin) { 17988 pw.println("Features:"); 17989 } 17990 17991 for (FeatureInfo feat : mAvailableFeatures.values()) { 17992 if (checkin) { 17993 pw.print("feat,"); 17994 pw.print(feat.name); 17995 pw.print(","); 17996 pw.println(feat.version); 17997 } else { 17998 pw.print(" "); 17999 pw.print(feat.name); 18000 if (feat.version > 0) { 18001 pw.print(" version="); 18002 pw.print(feat.version); 18003 } 18004 pw.println(); 18005 } 18006 } 18007 } 18008 18009 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18010 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18011 : "Activity Resolver Table:", " ", packageName, 18012 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18013 dumpState.setTitlePrinted(true); 18014 } 18015 } 18016 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18017 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18018 : "Receiver Resolver Table:", " ", packageName, 18019 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18020 dumpState.setTitlePrinted(true); 18021 } 18022 } 18023 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18024 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18025 : "Service Resolver Table:", " ", packageName, 18026 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18027 dumpState.setTitlePrinted(true); 18028 } 18029 } 18030 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18031 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18032 : "Provider Resolver Table:", " ", packageName, 18033 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18034 dumpState.setTitlePrinted(true); 18035 } 18036 } 18037 18038 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18039 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18040 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18041 int user = mSettings.mPreferredActivities.keyAt(i); 18042 if (pir.dump(pw, 18043 dumpState.getTitlePrinted() 18044 ? "\nPreferred Activities User " + user + ":" 18045 : "Preferred Activities User " + user + ":", " ", 18046 packageName, true, false)) { 18047 dumpState.setTitlePrinted(true); 18048 } 18049 } 18050 } 18051 18052 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18053 pw.flush(); 18054 FileOutputStream fout = new FileOutputStream(fd); 18055 BufferedOutputStream str = new BufferedOutputStream(fout); 18056 XmlSerializer serializer = new FastXmlSerializer(); 18057 try { 18058 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18059 serializer.startDocument(null, true); 18060 serializer.setFeature( 18061 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18062 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18063 serializer.endDocument(); 18064 serializer.flush(); 18065 } catch (IllegalArgumentException e) { 18066 pw.println("Failed writing: " + e); 18067 } catch (IllegalStateException e) { 18068 pw.println("Failed writing: " + e); 18069 } catch (IOException e) { 18070 pw.println("Failed writing: " + e); 18071 } 18072 } 18073 18074 if (!checkin 18075 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18076 && packageName == null) { 18077 pw.println(); 18078 int count = mSettings.mPackages.size(); 18079 if (count == 0) { 18080 pw.println("No applications!"); 18081 pw.println(); 18082 } else { 18083 final String prefix = " "; 18084 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18085 if (allPackageSettings.size() == 0) { 18086 pw.println("No domain preferred apps!"); 18087 pw.println(); 18088 } else { 18089 pw.println("App verification status:"); 18090 pw.println(); 18091 count = 0; 18092 for (PackageSetting ps : allPackageSettings) { 18093 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18094 if (ivi == null || ivi.getPackageName() == null) continue; 18095 pw.println(prefix + "Package: " + ivi.getPackageName()); 18096 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18097 pw.println(prefix + "Status: " + ivi.getStatusString()); 18098 pw.println(); 18099 count++; 18100 } 18101 if (count == 0) { 18102 pw.println(prefix + "No app verification established."); 18103 pw.println(); 18104 } 18105 for (int userId : sUserManager.getUserIds()) { 18106 pw.println("App linkages for user " + userId + ":"); 18107 pw.println(); 18108 count = 0; 18109 for (PackageSetting ps : allPackageSettings) { 18110 final long status = ps.getDomainVerificationStatusForUser(userId); 18111 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18112 continue; 18113 } 18114 pw.println(prefix + "Package: " + ps.name); 18115 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18116 String statusStr = IntentFilterVerificationInfo. 18117 getStatusStringFromValue(status); 18118 pw.println(prefix + "Status: " + statusStr); 18119 pw.println(); 18120 count++; 18121 } 18122 if (count == 0) { 18123 pw.println(prefix + "No configured app linkages."); 18124 pw.println(); 18125 } 18126 } 18127 } 18128 } 18129 } 18130 18131 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18132 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18133 if (packageName == null && permissionNames == null) { 18134 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18135 if (iperm == 0) { 18136 if (dumpState.onTitlePrinted()) 18137 pw.println(); 18138 pw.println("AppOp Permissions:"); 18139 } 18140 pw.print(" AppOp Permission "); 18141 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18142 pw.println(":"); 18143 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18144 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18145 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18146 } 18147 } 18148 } 18149 } 18150 18151 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18152 boolean printedSomething = false; 18153 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18154 if (packageName != null && !packageName.equals(p.info.packageName)) { 18155 continue; 18156 } 18157 if (!printedSomething) { 18158 if (dumpState.onTitlePrinted()) 18159 pw.println(); 18160 pw.println("Registered ContentProviders:"); 18161 printedSomething = true; 18162 } 18163 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18164 pw.print(" "); pw.println(p.toString()); 18165 } 18166 printedSomething = false; 18167 for (Map.Entry<String, PackageParser.Provider> entry : 18168 mProvidersByAuthority.entrySet()) { 18169 PackageParser.Provider p = entry.getValue(); 18170 if (packageName != null && !packageName.equals(p.info.packageName)) { 18171 continue; 18172 } 18173 if (!printedSomething) { 18174 if (dumpState.onTitlePrinted()) 18175 pw.println(); 18176 pw.println("ContentProvider Authorities:"); 18177 printedSomething = true; 18178 } 18179 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18180 pw.print(" "); pw.println(p.toString()); 18181 if (p.info != null && p.info.applicationInfo != null) { 18182 final String appInfo = p.info.applicationInfo.toString(); 18183 pw.print(" applicationInfo="); pw.println(appInfo); 18184 } 18185 } 18186 } 18187 18188 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18189 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18190 } 18191 18192 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18193 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18194 } 18195 18196 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18197 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18198 } 18199 18200 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18201 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18202 } 18203 18204 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18205 // XXX should handle packageName != null by dumping only install data that 18206 // the given package is involved with. 18207 if (dumpState.onTitlePrinted()) pw.println(); 18208 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18209 } 18210 18211 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18212 // XXX should handle packageName != null by dumping only install data that 18213 // the given package is involved with. 18214 if (dumpState.onTitlePrinted()) pw.println(); 18215 18216 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18217 ipw.println(); 18218 ipw.println("Frozen packages:"); 18219 ipw.increaseIndent(); 18220 if (mFrozenPackages.size() == 0) { 18221 ipw.println("(none)"); 18222 } else { 18223 for (int i = 0; i < mFrozenPackages.size(); i++) { 18224 ipw.println(mFrozenPackages.valueAt(i)); 18225 } 18226 } 18227 ipw.decreaseIndent(); 18228 } 18229 18230 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18231 if (dumpState.onTitlePrinted()) pw.println(); 18232 mSettings.dumpReadMessagesLPr(pw, dumpState); 18233 18234 pw.println(); 18235 pw.println("Package warning messages:"); 18236 BufferedReader in = null; 18237 String line = null; 18238 try { 18239 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18240 while ((line = in.readLine()) != null) { 18241 if (line.contains("ignored: updated version")) continue; 18242 pw.println(line); 18243 } 18244 } catch (IOException ignored) { 18245 } finally { 18246 IoUtils.closeQuietly(in); 18247 } 18248 } 18249 18250 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18251 BufferedReader in = null; 18252 String line = null; 18253 try { 18254 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18255 while ((line = in.readLine()) != null) { 18256 if (line.contains("ignored: updated version")) continue; 18257 pw.print("msg,"); 18258 pw.println(line); 18259 } 18260 } catch (IOException ignored) { 18261 } finally { 18262 IoUtils.closeQuietly(in); 18263 } 18264 } 18265 } 18266 } 18267 18268 private String dumpDomainString(String packageName) { 18269 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18270 .getList(); 18271 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18272 18273 ArraySet<String> result = new ArraySet<>(); 18274 if (iviList.size() > 0) { 18275 for (IntentFilterVerificationInfo ivi : iviList) { 18276 for (String host : ivi.getDomains()) { 18277 result.add(host); 18278 } 18279 } 18280 } 18281 if (filters != null && filters.size() > 0) { 18282 for (IntentFilter filter : filters) { 18283 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18284 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18285 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18286 result.addAll(filter.getHostsList()); 18287 } 18288 } 18289 } 18290 18291 StringBuilder sb = new StringBuilder(result.size() * 16); 18292 for (String domain : result) { 18293 if (sb.length() > 0) sb.append(" "); 18294 sb.append(domain); 18295 } 18296 return sb.toString(); 18297 } 18298 18299 // ------- apps on sdcard specific code ------- 18300 static final boolean DEBUG_SD_INSTALL = false; 18301 18302 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18303 18304 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18305 18306 private boolean mMediaMounted = false; 18307 18308 static String getEncryptKey() { 18309 try { 18310 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18311 SD_ENCRYPTION_KEYSTORE_NAME); 18312 if (sdEncKey == null) { 18313 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18314 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18315 if (sdEncKey == null) { 18316 Slog.e(TAG, "Failed to create encryption keys"); 18317 return null; 18318 } 18319 } 18320 return sdEncKey; 18321 } catch (NoSuchAlgorithmException nsae) { 18322 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18323 return null; 18324 } catch (IOException ioe) { 18325 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18326 return null; 18327 } 18328 } 18329 18330 /* 18331 * Update media status on PackageManager. 18332 */ 18333 @Override 18334 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18335 int callingUid = Binder.getCallingUid(); 18336 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18337 throw new SecurityException("Media status can only be updated by the system"); 18338 } 18339 // reader; this apparently protects mMediaMounted, but should probably 18340 // be a different lock in that case. 18341 synchronized (mPackages) { 18342 Log.i(TAG, "Updating external media status from " 18343 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18344 + (mediaStatus ? "mounted" : "unmounted")); 18345 if (DEBUG_SD_INSTALL) 18346 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18347 + ", mMediaMounted=" + mMediaMounted); 18348 if (mediaStatus == mMediaMounted) { 18349 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18350 : 0, -1); 18351 mHandler.sendMessage(msg); 18352 return; 18353 } 18354 mMediaMounted = mediaStatus; 18355 } 18356 // Queue up an async operation since the package installation may take a 18357 // little while. 18358 mHandler.post(new Runnable() { 18359 public void run() { 18360 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18361 } 18362 }); 18363 } 18364 18365 /** 18366 * Called by MountService when the initial ASECs to scan are available. 18367 * Should block until all the ASEC containers are finished being scanned. 18368 */ 18369 public void scanAvailableAsecs() { 18370 updateExternalMediaStatusInner(true, false, false); 18371 } 18372 18373 /* 18374 * Collect information of applications on external media, map them against 18375 * existing containers and update information based on current mount status. 18376 * Please note that we always have to report status if reportStatus has been 18377 * set to true especially when unloading packages. 18378 */ 18379 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18380 boolean externalStorage) { 18381 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18382 int[] uidArr = EmptyArray.INT; 18383 18384 final String[] list = PackageHelper.getSecureContainerList(); 18385 if (ArrayUtils.isEmpty(list)) { 18386 Log.i(TAG, "No secure containers found"); 18387 } else { 18388 // Process list of secure containers and categorize them 18389 // as active or stale based on their package internal state. 18390 18391 // reader 18392 synchronized (mPackages) { 18393 for (String cid : list) { 18394 // Leave stages untouched for now; installer service owns them 18395 if (PackageInstallerService.isStageName(cid)) continue; 18396 18397 if (DEBUG_SD_INSTALL) 18398 Log.i(TAG, "Processing container " + cid); 18399 String pkgName = getAsecPackageName(cid); 18400 if (pkgName == null) { 18401 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18402 continue; 18403 } 18404 if (DEBUG_SD_INSTALL) 18405 Log.i(TAG, "Looking for pkg : " + pkgName); 18406 18407 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18408 if (ps == null) { 18409 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18410 continue; 18411 } 18412 18413 /* 18414 * Skip packages that are not external if we're unmounting 18415 * external storage. 18416 */ 18417 if (externalStorage && !isMounted && !isExternal(ps)) { 18418 continue; 18419 } 18420 18421 final AsecInstallArgs args = new AsecInstallArgs(cid, 18422 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18423 // The package status is changed only if the code path 18424 // matches between settings and the container id. 18425 if (ps.codePathString != null 18426 && ps.codePathString.startsWith(args.getCodePath())) { 18427 if (DEBUG_SD_INSTALL) { 18428 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18429 + " at code path: " + ps.codePathString); 18430 } 18431 18432 // We do have a valid package installed on sdcard 18433 processCids.put(args, ps.codePathString); 18434 final int uid = ps.appId; 18435 if (uid != -1) { 18436 uidArr = ArrayUtils.appendInt(uidArr, uid); 18437 } 18438 } else { 18439 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18440 + ps.codePathString); 18441 } 18442 } 18443 } 18444 18445 Arrays.sort(uidArr); 18446 } 18447 18448 // Process packages with valid entries. 18449 if (isMounted) { 18450 if (DEBUG_SD_INSTALL) 18451 Log.i(TAG, "Loading packages"); 18452 loadMediaPackages(processCids, uidArr, externalStorage); 18453 startCleaningPackages(); 18454 mInstallerService.onSecureContainersAvailable(); 18455 } else { 18456 if (DEBUG_SD_INSTALL) 18457 Log.i(TAG, "Unloading packages"); 18458 unloadMediaPackages(processCids, uidArr, reportStatus); 18459 } 18460 } 18461 18462 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18463 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18464 final int size = infos.size(); 18465 final String[] packageNames = new String[size]; 18466 final int[] packageUids = new int[size]; 18467 for (int i = 0; i < size; i++) { 18468 final ApplicationInfo info = infos.get(i); 18469 packageNames[i] = info.packageName; 18470 packageUids[i] = info.uid; 18471 } 18472 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18473 finishedReceiver); 18474 } 18475 18476 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18477 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18478 sendResourcesChangedBroadcast(mediaStatus, replacing, 18479 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18480 } 18481 18482 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18483 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18484 int size = pkgList.length; 18485 if (size > 0) { 18486 // Send broadcasts here 18487 Bundle extras = new Bundle(); 18488 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18489 if (uidArr != null) { 18490 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18491 } 18492 if (replacing) { 18493 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18494 } 18495 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18496 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18497 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18498 } 18499 } 18500 18501 /* 18502 * Look at potentially valid container ids from processCids If package 18503 * information doesn't match the one on record or package scanning fails, 18504 * the cid is added to list of removeCids. We currently don't delete stale 18505 * containers. 18506 */ 18507 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18508 boolean externalStorage) { 18509 ArrayList<String> pkgList = new ArrayList<String>(); 18510 Set<AsecInstallArgs> keys = processCids.keySet(); 18511 18512 for (AsecInstallArgs args : keys) { 18513 String codePath = processCids.get(args); 18514 if (DEBUG_SD_INSTALL) 18515 Log.i(TAG, "Loading container : " + args.cid); 18516 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18517 try { 18518 // Make sure there are no container errors first. 18519 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18520 Slog.e(TAG, "Failed to mount cid : " + args.cid 18521 + " when installing from sdcard"); 18522 continue; 18523 } 18524 // Check code path here. 18525 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18526 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18527 + " does not match one in settings " + codePath); 18528 continue; 18529 } 18530 // Parse package 18531 int parseFlags = mDefParseFlags; 18532 if (args.isExternalAsec()) { 18533 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18534 } 18535 if (args.isFwdLocked()) { 18536 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18537 } 18538 18539 synchronized (mInstallLock) { 18540 PackageParser.Package pkg = null; 18541 try { 18542 // Sadly we don't know the package name yet to freeze it 18543 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18544 SCAN_IGNORE_FROZEN, 0, null); 18545 } catch (PackageManagerException e) { 18546 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18547 } 18548 // Scan the package 18549 if (pkg != null) { 18550 /* 18551 * TODO why is the lock being held? doPostInstall is 18552 * called in other places without the lock. This needs 18553 * to be straightened out. 18554 */ 18555 // writer 18556 synchronized (mPackages) { 18557 retCode = PackageManager.INSTALL_SUCCEEDED; 18558 pkgList.add(pkg.packageName); 18559 // Post process args 18560 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18561 pkg.applicationInfo.uid); 18562 } 18563 } else { 18564 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18565 } 18566 } 18567 18568 } finally { 18569 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18570 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18571 } 18572 } 18573 } 18574 // writer 18575 synchronized (mPackages) { 18576 // If the platform SDK has changed since the last time we booted, 18577 // we need to re-grant app permission to catch any new ones that 18578 // appear. This is really a hack, and means that apps can in some 18579 // cases get permissions that the user didn't initially explicitly 18580 // allow... it would be nice to have some better way to handle 18581 // this situation. 18582 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18583 : mSettings.getInternalVersion(); 18584 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18585 : StorageManager.UUID_PRIVATE_INTERNAL; 18586 18587 int updateFlags = UPDATE_PERMISSIONS_ALL; 18588 if (ver.sdkVersion != mSdkVersion) { 18589 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18590 + mSdkVersion + "; regranting permissions for external"); 18591 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18592 } 18593 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18594 18595 // Yay, everything is now upgraded 18596 ver.forceCurrent(); 18597 18598 // can downgrade to reader 18599 // Persist settings 18600 mSettings.writeLPr(); 18601 } 18602 // Send a broadcast to let everyone know we are done processing 18603 if (pkgList.size() > 0) { 18604 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18605 } 18606 } 18607 18608 /* 18609 * Utility method to unload a list of specified containers 18610 */ 18611 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18612 // Just unmount all valid containers. 18613 for (AsecInstallArgs arg : cidArgs) { 18614 synchronized (mInstallLock) { 18615 arg.doPostDeleteLI(false); 18616 } 18617 } 18618 } 18619 18620 /* 18621 * Unload packages mounted on external media. This involves deleting package 18622 * data from internal structures, sending broadcasts about disabled packages, 18623 * gc'ing to free up references, unmounting all secure containers 18624 * corresponding to packages on external media, and posting a 18625 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18626 * that we always have to post this message if status has been requested no 18627 * matter what. 18628 */ 18629 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18630 final boolean reportStatus) { 18631 if (DEBUG_SD_INSTALL) 18632 Log.i(TAG, "unloading media packages"); 18633 ArrayList<String> pkgList = new ArrayList<String>(); 18634 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18635 final Set<AsecInstallArgs> keys = processCids.keySet(); 18636 for (AsecInstallArgs args : keys) { 18637 String pkgName = args.getPackageName(); 18638 if (DEBUG_SD_INSTALL) 18639 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18640 // Delete package internally 18641 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18642 synchronized (mInstallLock) { 18643 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18644 final boolean res; 18645 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 18646 "unloadMediaPackages")) { 18647 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 18648 null); 18649 } 18650 if (res) { 18651 pkgList.add(pkgName); 18652 } else { 18653 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18654 failedList.add(args); 18655 } 18656 } 18657 } 18658 18659 // reader 18660 synchronized (mPackages) { 18661 // We didn't update the settings after removing each package; 18662 // write them now for all packages. 18663 mSettings.writeLPr(); 18664 } 18665 18666 // We have to absolutely send UPDATED_MEDIA_STATUS only 18667 // after confirming that all the receivers processed the ordered 18668 // broadcast when packages get disabled, force a gc to clean things up. 18669 // and unload all the containers. 18670 if (pkgList.size() > 0) { 18671 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18672 new IIntentReceiver.Stub() { 18673 public void performReceive(Intent intent, int resultCode, String data, 18674 Bundle extras, boolean ordered, boolean sticky, 18675 int sendingUser) throws RemoteException { 18676 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18677 reportStatus ? 1 : 0, 1, keys); 18678 mHandler.sendMessage(msg); 18679 } 18680 }); 18681 } else { 18682 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18683 keys); 18684 mHandler.sendMessage(msg); 18685 } 18686 } 18687 18688 private void loadPrivatePackages(final VolumeInfo vol) { 18689 mHandler.post(new Runnable() { 18690 @Override 18691 public void run() { 18692 loadPrivatePackagesInner(vol); 18693 } 18694 }); 18695 } 18696 18697 private void loadPrivatePackagesInner(VolumeInfo vol) { 18698 final String volumeUuid = vol.fsUuid; 18699 if (TextUtils.isEmpty(volumeUuid)) { 18700 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18701 return; 18702 } 18703 18704 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 18705 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18706 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18707 18708 final VersionInfo ver; 18709 final List<PackageSetting> packages; 18710 synchronized (mPackages) { 18711 ver = mSettings.findOrCreateVersion(volumeUuid); 18712 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18713 } 18714 18715 for (PackageSetting ps : packages) { 18716 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 18717 synchronized (mInstallLock) { 18718 final PackageParser.Package pkg; 18719 try { 18720 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18721 loaded.add(pkg.applicationInfo); 18722 18723 } catch (PackageManagerException e) { 18724 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18725 } 18726 18727 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18728 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 18729 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 18730 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18731 } 18732 } 18733 } 18734 18735 // Reconcile app data for all started/unlocked users 18736 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18737 final UserManager um = mContext.getSystemService(UserManager.class); 18738 for (UserInfo user : um.getUsers()) { 18739 final int flags; 18740 if (um.isUserUnlocked(user.id)) { 18741 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18742 } else if (um.isUserRunning(user.id)) { 18743 flags = StorageManager.FLAG_STORAGE_DE; 18744 } else { 18745 continue; 18746 } 18747 18748 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18749 synchronized (mInstallLock) { 18750 reconcileAppsDataLI(volumeUuid, user.id, flags); 18751 } 18752 } 18753 18754 synchronized (mPackages) { 18755 int updateFlags = UPDATE_PERMISSIONS_ALL; 18756 if (ver.sdkVersion != mSdkVersion) { 18757 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18758 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18759 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18760 } 18761 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18762 18763 // Yay, everything is now upgraded 18764 ver.forceCurrent(); 18765 18766 mSettings.writeLPr(); 18767 } 18768 18769 for (PackageFreezer freezer : freezers) { 18770 freezer.close(); 18771 } 18772 18773 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18774 sendResourcesChangedBroadcast(true, false, loaded, null); 18775 } 18776 18777 private void unloadPrivatePackages(final VolumeInfo vol) { 18778 mHandler.post(new Runnable() { 18779 @Override 18780 public void run() { 18781 unloadPrivatePackagesInner(vol); 18782 } 18783 }); 18784 } 18785 18786 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18787 final String volumeUuid = vol.fsUuid; 18788 if (TextUtils.isEmpty(volumeUuid)) { 18789 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18790 return; 18791 } 18792 18793 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18794 synchronized (mInstallLock) { 18795 synchronized (mPackages) { 18796 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18797 for (PackageSetting ps : packages) { 18798 if (ps.pkg == null) continue; 18799 18800 final ApplicationInfo info = ps.pkg.applicationInfo; 18801 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18802 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18803 18804 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 18805 "unloadPrivatePackagesInner")) { 18806 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 18807 false, null)) { 18808 unloaded.add(info); 18809 } else { 18810 Slog.w(TAG, "Failed to unload " + ps.codePath); 18811 } 18812 } 18813 } 18814 18815 mSettings.writeLPr(); 18816 } 18817 } 18818 18819 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18820 sendResourcesChangedBroadcast(false, false, unloaded, null); 18821 } 18822 18823 /** 18824 * Prepare storage areas for given user on all mounted devices. 18825 */ 18826 void prepareUserData(int userId, int userSerial, int flags) { 18827 synchronized (mInstallLock) { 18828 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18829 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18830 final String volumeUuid = vol.getFsUuid(); 18831 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 18832 } 18833 } 18834 } 18835 18836 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 18837 boolean allowRecover) { 18838 // Prepare storage and verify that serial numbers are consistent; if 18839 // there's a mismatch we need to destroy to avoid leaking data 18840 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18841 try { 18842 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 18843 18844 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 18845 UserManagerService.enforceSerialNumber( 18846 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 18847 } 18848 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 18849 UserManagerService.enforceSerialNumber( 18850 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 18851 } 18852 18853 synchronized (mInstallLock) { 18854 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 18855 } 18856 } catch (Exception e) { 18857 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 18858 + " because we failed to prepare: " + e); 18859 destroyUserDataLI(volumeUuid, userId, 18860 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18861 18862 if (allowRecover) { 18863 // Try one last time; if we fail again we're really in trouble 18864 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 18865 } 18866 } 18867 } 18868 18869 /** 18870 * Destroy storage areas for given user on all mounted devices. 18871 */ 18872 void destroyUserData(int userId, int flags) { 18873 synchronized (mInstallLock) { 18874 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18875 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18876 final String volumeUuid = vol.getFsUuid(); 18877 destroyUserDataLI(volumeUuid, userId, flags); 18878 } 18879 } 18880 } 18881 18882 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 18883 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18884 try { 18885 // Clean up app data, profile data, and media data 18886 mInstaller.destroyUserData(volumeUuid, userId, flags); 18887 18888 // Clean up system data 18889 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 18890 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18891 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 18892 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 18893 } 18894 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18895 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 18896 } 18897 } 18898 18899 // Data with special labels is now gone, so finish the job 18900 storage.destroyUserStorage(volumeUuid, userId, flags); 18901 18902 } catch (Exception e) { 18903 logCriticalInfo(Log.WARN, 18904 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 18905 } 18906 } 18907 18908 /** 18909 * Examine all users present on given mounted volume, and destroy data 18910 * belonging to users that are no longer valid, or whose user ID has been 18911 * recycled. 18912 */ 18913 private void reconcileUsers(String volumeUuid) { 18914 final List<File> files = new ArrayList<>(); 18915 Collections.addAll(files, FileUtils 18916 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 18917 Collections.addAll(files, FileUtils 18918 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 18919 for (File file : files) { 18920 if (!file.isDirectory()) continue; 18921 18922 final int userId; 18923 final UserInfo info; 18924 try { 18925 userId = Integer.parseInt(file.getName()); 18926 info = sUserManager.getUserInfo(userId); 18927 } catch (NumberFormatException e) { 18928 Slog.w(TAG, "Invalid user directory " + file); 18929 continue; 18930 } 18931 18932 boolean destroyUser = false; 18933 if (info == null) { 18934 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18935 + " because no matching user was found"); 18936 destroyUser = true; 18937 } else if (!mOnlyCore) { 18938 try { 18939 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18940 } catch (IOException e) { 18941 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18942 + " because we failed to enforce serial number: " + e); 18943 destroyUser = true; 18944 } 18945 } 18946 18947 if (destroyUser) { 18948 synchronized (mInstallLock) { 18949 destroyUserDataLI(volumeUuid, userId, 18950 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18951 } 18952 } 18953 } 18954 } 18955 18956 private void assertPackageKnown(String volumeUuid, String packageName) 18957 throws PackageManagerException { 18958 synchronized (mPackages) { 18959 final PackageSetting ps = mSettings.mPackages.get(packageName); 18960 if (ps == null) { 18961 throw new PackageManagerException("Package " + packageName + " is unknown"); 18962 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18963 throw new PackageManagerException( 18964 "Package " + packageName + " found on unknown volume " + volumeUuid 18965 + "; expected volume " + ps.volumeUuid); 18966 } 18967 } 18968 } 18969 18970 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18971 throws PackageManagerException { 18972 synchronized (mPackages) { 18973 final PackageSetting ps = mSettings.mPackages.get(packageName); 18974 if (ps == null) { 18975 throw new PackageManagerException("Package " + packageName + " is unknown"); 18976 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18977 throw new PackageManagerException( 18978 "Package " + packageName + " found on unknown volume " + volumeUuid 18979 + "; expected volume " + ps.volumeUuid); 18980 } else if (!ps.getInstalled(userId)) { 18981 throw new PackageManagerException( 18982 "Package " + packageName + " not installed for user " + userId); 18983 } 18984 } 18985 } 18986 18987 /** 18988 * Examine all apps present on given mounted volume, and destroy apps that 18989 * aren't expected, either due to uninstallation or reinstallation on 18990 * another volume. 18991 */ 18992 private void reconcileApps(String volumeUuid) { 18993 final File[] files = FileUtils 18994 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18995 for (File file : files) { 18996 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18997 && !PackageInstallerService.isStageName(file.getName()); 18998 if (!isPackage) { 18999 // Ignore entries which are not packages 19000 continue; 19001 } 19002 19003 try { 19004 final PackageLite pkg = PackageParser.parsePackageLite(file, 19005 PackageParser.PARSE_MUST_BE_APK); 19006 assertPackageKnown(volumeUuid, pkg.packageName); 19007 19008 } catch (PackageParserException | PackageManagerException e) { 19009 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19010 synchronized (mInstallLock) { 19011 removeCodePathLI(file); 19012 } 19013 } 19014 } 19015 } 19016 19017 /** 19018 * Reconcile all app data for the given user. 19019 * <p> 19020 * Verifies that directories exist and that ownership and labeling is 19021 * correct for all installed apps on all mounted volumes. 19022 */ 19023 void reconcileAppsData(int userId, int flags) { 19024 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19025 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19026 final String volumeUuid = vol.getFsUuid(); 19027 synchronized (mInstallLock) { 19028 reconcileAppsDataLI(volumeUuid, userId, flags); 19029 } 19030 } 19031 } 19032 19033 /** 19034 * Reconcile all app data on given mounted volume. 19035 * <p> 19036 * Destroys app data that isn't expected, either due to uninstallation or 19037 * reinstallation on another volume. 19038 * <p> 19039 * Verifies that directories exist and that ownership and labeling is 19040 * correct for all installed apps. 19041 */ 19042 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19043 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19044 + Integer.toHexString(flags)); 19045 19046 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19047 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19048 19049 boolean restoreconNeeded = false; 19050 19051 // First look for stale data that doesn't belong, and check if things 19052 // have changed since we did our last restorecon 19053 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19054 if (!isUserKeyUnlocked(userId)) { 19055 throw new RuntimeException( 19056 "Yikes, someone asked us to reconcile CE storage while " + userId 19057 + " was still locked; this would have caused massive data loss!"); 19058 } 19059 19060 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19061 19062 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19063 for (File file : files) { 19064 final String packageName = file.getName(); 19065 try { 19066 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19067 } catch (PackageManagerException e) { 19068 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19069 try { 19070 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19071 StorageManager.FLAG_STORAGE_CE, 0); 19072 } catch (InstallerException e2) { 19073 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19074 } 19075 } 19076 } 19077 } 19078 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19079 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19080 19081 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19082 for (File file : files) { 19083 final String packageName = file.getName(); 19084 try { 19085 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19086 } catch (PackageManagerException e) { 19087 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19088 try { 19089 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19090 StorageManager.FLAG_STORAGE_DE, 0); 19091 } catch (InstallerException e2) { 19092 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19093 } 19094 } 19095 } 19096 } 19097 19098 // Ensure that data directories are ready to roll for all packages 19099 // installed for this volume and user 19100 final List<PackageSetting> packages; 19101 synchronized (mPackages) { 19102 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19103 } 19104 int preparedCount = 0; 19105 for (PackageSetting ps : packages) { 19106 final String packageName = ps.name; 19107 if (ps.pkg == null) { 19108 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19109 // TODO: might be due to legacy ASEC apps; we should circle back 19110 // and reconcile again once they're scanned 19111 continue; 19112 } 19113 19114 if (ps.getInstalled(userId)) { 19115 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19116 19117 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19118 // We may have just shuffled around app data directories, so 19119 // prepare them one more time 19120 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19121 } 19122 19123 preparedCount++; 19124 } 19125 } 19126 19127 if (restoreconNeeded) { 19128 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19129 SELinuxMMAC.setRestoreconDone(ceDir); 19130 } 19131 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19132 SELinuxMMAC.setRestoreconDone(deDir); 19133 } 19134 } 19135 19136 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19137 + " packages; restoreconNeeded was " + restoreconNeeded); 19138 } 19139 19140 /** 19141 * Prepare app data for the given app just after it was installed or 19142 * upgraded. This method carefully only touches users that it's installed 19143 * for, and it forces a restorecon to handle any seinfo changes. 19144 * <p> 19145 * Verifies that directories exist and that ownership and labeling is 19146 * correct for all installed apps. If there is an ownership mismatch, it 19147 * will try recovering system apps by wiping data; third-party app data is 19148 * left intact. 19149 * <p> 19150 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19151 */ 19152 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19153 final PackageSetting ps; 19154 synchronized (mPackages) { 19155 ps = mSettings.mPackages.get(pkg.packageName); 19156 mSettings.writeKernelMappingLPr(ps); 19157 } 19158 19159 final UserManager um = mContext.getSystemService(UserManager.class); 19160 for (UserInfo user : um.getUsers()) { 19161 final int flags; 19162 if (um.isUserUnlocked(user.id)) { 19163 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19164 } else if (um.isUserRunning(user.id)) { 19165 flags = StorageManager.FLAG_STORAGE_DE; 19166 } else { 19167 continue; 19168 } 19169 19170 if (ps.getInstalled(user.id)) { 19171 // Whenever an app changes, force a restorecon of its data 19172 // TODO: when user data is locked, mark that we're still dirty 19173 prepareAppDataLIF(pkg, user.id, flags, true); 19174 } 19175 } 19176 } 19177 19178 /** 19179 * Prepare app data for the given app. 19180 * <p> 19181 * Verifies that directories exist and that ownership and labeling is 19182 * correct for all installed apps. If there is an ownership mismatch, this 19183 * will try recovering system apps by wiping data; third-party app data is 19184 * left intact. 19185 */ 19186 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19187 boolean restoreconNeeded) { 19188 if (pkg == null) { 19189 Slog.wtf(TAG, "Package was null!", new Throwable()); 19190 return; 19191 } 19192 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19193 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19194 for (int i = 0; i < childCount; i++) { 19195 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19196 } 19197 } 19198 19199 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19200 boolean restoreconNeeded) { 19201 if (DEBUG_APP_DATA) { 19202 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19203 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19204 } 19205 19206 final String volumeUuid = pkg.volumeUuid; 19207 final String packageName = pkg.packageName; 19208 final ApplicationInfo app = pkg.applicationInfo; 19209 final int appId = UserHandle.getAppId(app.uid); 19210 19211 Preconditions.checkNotNull(app.seinfo); 19212 19213 try { 19214 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19215 appId, app.seinfo, app.targetSdkVersion); 19216 } catch (InstallerException e) { 19217 if (app.isSystemApp()) { 19218 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19219 + ", but trying to recover: " + e); 19220 destroyAppDataLeafLIF(pkg, userId, flags); 19221 try { 19222 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19223 appId, app.seinfo, app.targetSdkVersion); 19224 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19225 } catch (InstallerException e2) { 19226 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19227 } 19228 } else { 19229 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19230 } 19231 } 19232 19233 if (restoreconNeeded) { 19234 try { 19235 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19236 app.seinfo); 19237 } catch (InstallerException e) { 19238 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19239 } 19240 } 19241 19242 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19243 try { 19244 // CE storage is unlocked right now, so read out the inode and 19245 // remember for use later when it's locked 19246 // TODO: mark this structure as dirty so we persist it! 19247 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19248 StorageManager.FLAG_STORAGE_CE); 19249 synchronized (mPackages) { 19250 final PackageSetting ps = mSettings.mPackages.get(packageName); 19251 if (ps != null) { 19252 ps.setCeDataInode(ceDataInode, userId); 19253 } 19254 } 19255 } catch (InstallerException e) { 19256 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19257 } 19258 } 19259 19260 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19261 } 19262 19263 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19264 if (pkg == null) { 19265 Slog.wtf(TAG, "Package was null!", new Throwable()); 19266 return; 19267 } 19268 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19269 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19270 for (int i = 0; i < childCount; i++) { 19271 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19272 } 19273 } 19274 19275 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19276 final String volumeUuid = pkg.volumeUuid; 19277 final String packageName = pkg.packageName; 19278 final ApplicationInfo app = pkg.applicationInfo; 19279 19280 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19281 // Create a native library symlink only if we have native libraries 19282 // and if the native libraries are 32 bit libraries. We do not provide 19283 // this symlink for 64 bit libraries. 19284 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19285 final String nativeLibPath = app.nativeLibraryDir; 19286 try { 19287 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19288 nativeLibPath, userId); 19289 } catch (InstallerException e) { 19290 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19291 } 19292 } 19293 } 19294 } 19295 19296 /** 19297 * For system apps on non-FBE devices, this method migrates any existing 19298 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19299 * requested by the app. 19300 */ 19301 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19302 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19303 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19304 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19305 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19306 try { 19307 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19308 storageTarget); 19309 } catch (InstallerException e) { 19310 logCriticalInfo(Log.WARN, 19311 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19312 } 19313 return true; 19314 } else { 19315 return false; 19316 } 19317 } 19318 19319 public PackageFreezer freezePackage(String packageName, String killReason) { 19320 return new PackageFreezer(packageName, killReason); 19321 } 19322 19323 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19324 String killReason) { 19325 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19326 return new PackageFreezer(); 19327 } else { 19328 return freezePackage(packageName, killReason); 19329 } 19330 } 19331 19332 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19333 String killReason) { 19334 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19335 return new PackageFreezer(); 19336 } else { 19337 return freezePackage(packageName, killReason); 19338 } 19339 } 19340 19341 /** 19342 * Class that freezes and kills the given package upon creation, and 19343 * unfreezes it upon closing. This is typically used when doing surgery on 19344 * app code/data to prevent the app from running while you're working. 19345 */ 19346 private class PackageFreezer implements AutoCloseable { 19347 private final String mPackageName; 19348 private final PackageFreezer[] mChildren; 19349 19350 private final boolean mWeFroze; 19351 19352 private final AtomicBoolean mClosed = new AtomicBoolean(); 19353 private final CloseGuard mCloseGuard = CloseGuard.get(); 19354 19355 /** 19356 * Create and return a stub freezer that doesn't actually do anything, 19357 * typically used when someone requested 19358 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19359 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19360 */ 19361 public PackageFreezer() { 19362 mPackageName = null; 19363 mChildren = null; 19364 mWeFroze = false; 19365 mCloseGuard.open("close"); 19366 } 19367 19368 public PackageFreezer(String packageName, String killReason) { 19369 synchronized (mPackages) { 19370 mPackageName = packageName; 19371 mWeFroze = mFrozenPackages.add(mPackageName); 19372 19373 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19374 if (ps != null) { 19375 killApplication(ps.name, ps.appId, killReason); 19376 } 19377 19378 final PackageParser.Package p = mPackages.get(packageName); 19379 if (p != null && p.childPackages != null) { 19380 final int N = p.childPackages.size(); 19381 mChildren = new PackageFreezer[N]; 19382 for (int i = 0; i < N; i++) { 19383 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19384 killReason); 19385 } 19386 } else { 19387 mChildren = null; 19388 } 19389 } 19390 mCloseGuard.open("close"); 19391 } 19392 19393 @Override 19394 protected void finalize() throws Throwable { 19395 try { 19396 mCloseGuard.warnIfOpen(); 19397 close(); 19398 } finally { 19399 super.finalize(); 19400 } 19401 } 19402 19403 @Override 19404 public void close() { 19405 mCloseGuard.close(); 19406 if (mClosed.compareAndSet(false, true)) { 19407 synchronized (mPackages) { 19408 if (mWeFroze) { 19409 mFrozenPackages.remove(mPackageName); 19410 } 19411 19412 if (mChildren != null) { 19413 for (PackageFreezer freezer : mChildren) { 19414 freezer.close(); 19415 } 19416 } 19417 } 19418 } 19419 } 19420 } 19421 19422 /** 19423 * Verify that given package is currently frozen. 19424 */ 19425 private void checkPackageFrozen(String packageName) { 19426 synchronized (mPackages) { 19427 if (!mFrozenPackages.contains(packageName)) { 19428 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19429 } 19430 } 19431 } 19432 19433 @Override 19434 public int movePackage(final String packageName, final String volumeUuid) { 19435 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19436 19437 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19438 final int moveId = mNextMoveId.getAndIncrement(); 19439 mHandler.post(new Runnable() { 19440 @Override 19441 public void run() { 19442 try { 19443 movePackageInternal(packageName, volumeUuid, moveId, user); 19444 } catch (PackageManagerException e) { 19445 Slog.w(TAG, "Failed to move " + packageName, e); 19446 mMoveCallbacks.notifyStatusChanged(moveId, 19447 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19448 } 19449 } 19450 }); 19451 return moveId; 19452 } 19453 19454 private void movePackageInternal(final String packageName, final String volumeUuid, 19455 final int moveId, UserHandle user) throws PackageManagerException { 19456 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19457 final PackageManager pm = mContext.getPackageManager(); 19458 19459 final boolean currentAsec; 19460 final String currentVolumeUuid; 19461 final File codeFile; 19462 final String installerPackageName; 19463 final String packageAbiOverride; 19464 final int appId; 19465 final String seinfo; 19466 final String label; 19467 final int targetSdkVersion; 19468 final PackageFreezer freezer; 19469 19470 // reader 19471 synchronized (mPackages) { 19472 final PackageParser.Package pkg = mPackages.get(packageName); 19473 final PackageSetting ps = mSettings.mPackages.get(packageName); 19474 if (pkg == null || ps == null) { 19475 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19476 } 19477 19478 if (pkg.applicationInfo.isSystemApp()) { 19479 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19480 "Cannot move system application"); 19481 } 19482 19483 if (pkg.applicationInfo.isExternalAsec()) { 19484 currentAsec = true; 19485 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19486 } else if (pkg.applicationInfo.isForwardLocked()) { 19487 currentAsec = true; 19488 currentVolumeUuid = "forward_locked"; 19489 } else { 19490 currentAsec = false; 19491 currentVolumeUuid = ps.volumeUuid; 19492 19493 final File probe = new File(pkg.codePath); 19494 final File probeOat = new File(probe, "oat"); 19495 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19496 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19497 "Move only supported for modern cluster style installs"); 19498 } 19499 } 19500 19501 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19502 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19503 "Package already moved to " + volumeUuid); 19504 } 19505 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19506 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19507 "Device admin cannot be moved"); 19508 } 19509 19510 if (mFrozenPackages.contains(packageName)) { 19511 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19512 "Failed to move already frozen package"); 19513 } 19514 19515 codeFile = new File(pkg.codePath); 19516 installerPackageName = ps.installerPackageName; 19517 packageAbiOverride = ps.cpuAbiOverrideString; 19518 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19519 seinfo = pkg.applicationInfo.seinfo; 19520 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19521 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19522 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19523 } 19524 19525 final Bundle extras = new Bundle(); 19526 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19527 extras.putString(Intent.EXTRA_TITLE, label); 19528 mMoveCallbacks.notifyCreated(moveId, extras); 19529 19530 int installFlags; 19531 final boolean moveCompleteApp; 19532 final File measurePath; 19533 19534 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19535 installFlags = INSTALL_INTERNAL; 19536 moveCompleteApp = !currentAsec; 19537 measurePath = Environment.getDataAppDirectory(volumeUuid); 19538 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19539 installFlags = INSTALL_EXTERNAL; 19540 moveCompleteApp = false; 19541 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19542 } else { 19543 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19544 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19545 || !volume.isMountedWritable()) { 19546 freezer.close(); 19547 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19548 "Move location not mounted private volume"); 19549 } 19550 19551 Preconditions.checkState(!currentAsec); 19552 19553 installFlags = INSTALL_INTERNAL; 19554 moveCompleteApp = true; 19555 measurePath = Environment.getDataAppDirectory(volumeUuid); 19556 } 19557 19558 final PackageStats stats = new PackageStats(null, -1); 19559 synchronized (mInstaller) { 19560 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 19561 freezer.close(); 19562 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19563 "Failed to measure package size"); 19564 } 19565 } 19566 19567 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19568 + stats.dataSize); 19569 19570 final long startFreeBytes = measurePath.getFreeSpace(); 19571 final long sizeBytes; 19572 if (moveCompleteApp) { 19573 sizeBytes = stats.codeSize + stats.dataSize; 19574 } else { 19575 sizeBytes = stats.codeSize; 19576 } 19577 19578 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19579 freezer.close(); 19580 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19581 "Not enough free space to move"); 19582 } 19583 19584 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19585 19586 final CountDownLatch installedLatch = new CountDownLatch(1); 19587 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19588 @Override 19589 public void onUserActionRequired(Intent intent) throws RemoteException { 19590 throw new IllegalStateException(); 19591 } 19592 19593 @Override 19594 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19595 Bundle extras) throws RemoteException { 19596 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19597 + PackageManager.installStatusToString(returnCode, msg)); 19598 19599 installedLatch.countDown(); 19600 freezer.close(); 19601 19602 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19603 switch (status) { 19604 case PackageInstaller.STATUS_SUCCESS: 19605 mMoveCallbacks.notifyStatusChanged(moveId, 19606 PackageManager.MOVE_SUCCEEDED); 19607 break; 19608 case PackageInstaller.STATUS_FAILURE_STORAGE: 19609 mMoveCallbacks.notifyStatusChanged(moveId, 19610 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19611 break; 19612 default: 19613 mMoveCallbacks.notifyStatusChanged(moveId, 19614 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19615 break; 19616 } 19617 } 19618 }; 19619 19620 final MoveInfo move; 19621 if (moveCompleteApp) { 19622 // Kick off a thread to report progress estimates 19623 new Thread() { 19624 @Override 19625 public void run() { 19626 while (true) { 19627 try { 19628 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19629 break; 19630 } 19631 } catch (InterruptedException ignored) { 19632 } 19633 19634 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19635 final int progress = 10 + (int) MathUtils.constrain( 19636 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19637 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19638 } 19639 } 19640 }.start(); 19641 19642 final String dataAppName = codeFile.getName(); 19643 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19644 dataAppName, appId, seinfo, targetSdkVersion); 19645 } else { 19646 move = null; 19647 } 19648 19649 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19650 19651 final Message msg = mHandler.obtainMessage(INIT_COPY); 19652 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19653 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19654 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19655 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19656 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19657 msg.obj = params; 19658 19659 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19660 System.identityHashCode(msg.obj)); 19661 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19662 System.identityHashCode(msg.obj)); 19663 19664 mHandler.sendMessage(msg); 19665 } 19666 19667 @Override 19668 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19669 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19670 19671 final int realMoveId = mNextMoveId.getAndIncrement(); 19672 final Bundle extras = new Bundle(); 19673 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 19674 mMoveCallbacks.notifyCreated(realMoveId, extras); 19675 19676 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 19677 @Override 19678 public void onCreated(int moveId, Bundle extras) { 19679 // Ignored 19680 } 19681 19682 @Override 19683 public void onStatusChanged(int moveId, int status, long estMillis) { 19684 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 19685 } 19686 }; 19687 19688 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19689 storage.setPrimaryStorageUuid(volumeUuid, callback); 19690 return realMoveId; 19691 } 19692 19693 @Override 19694 public int getMoveStatus(int moveId) { 19695 mContext.enforceCallingOrSelfPermission( 19696 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19697 return mMoveCallbacks.mLastStatus.get(moveId); 19698 } 19699 19700 @Override 19701 public void registerMoveCallback(IPackageMoveObserver callback) { 19702 mContext.enforceCallingOrSelfPermission( 19703 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19704 mMoveCallbacks.register(callback); 19705 } 19706 19707 @Override 19708 public void unregisterMoveCallback(IPackageMoveObserver callback) { 19709 mContext.enforceCallingOrSelfPermission( 19710 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19711 mMoveCallbacks.unregister(callback); 19712 } 19713 19714 @Override 19715 public boolean setInstallLocation(int loc) { 19716 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 19717 null); 19718 if (getInstallLocation() == loc) { 19719 return true; 19720 } 19721 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 19722 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 19723 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 19724 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 19725 return true; 19726 } 19727 return false; 19728 } 19729 19730 @Override 19731 public int getInstallLocation() { 19732 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 19733 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 19734 PackageHelper.APP_INSTALL_AUTO); 19735 } 19736 19737 /** Called by UserManagerService */ 19738 void cleanUpUser(UserManagerService userManager, int userHandle) { 19739 synchronized (mPackages) { 19740 mDirtyUsers.remove(userHandle); 19741 mUserNeedsBadging.delete(userHandle); 19742 mSettings.removeUserLPw(userHandle); 19743 mPendingBroadcasts.remove(userHandle); 19744 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 19745 removeUnusedPackagesLPw(userManager, userHandle); 19746 } 19747 } 19748 19749 /** 19750 * We're removing userHandle and would like to remove any downloaded packages 19751 * that are no longer in use by any other user. 19752 * @param userHandle the user being removed 19753 */ 19754 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 19755 final boolean DEBUG_CLEAN_APKS = false; 19756 int [] users = userManager.getUserIds(); 19757 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 19758 while (psit.hasNext()) { 19759 PackageSetting ps = psit.next(); 19760 if (ps.pkg == null) { 19761 continue; 19762 } 19763 final String packageName = ps.pkg.packageName; 19764 // Skip over if system app 19765 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 19766 continue; 19767 } 19768 if (DEBUG_CLEAN_APKS) { 19769 Slog.i(TAG, "Checking package " + packageName); 19770 } 19771 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 19772 if (keep) { 19773 if (DEBUG_CLEAN_APKS) { 19774 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 19775 } 19776 } else { 19777 for (int i = 0; i < users.length; i++) { 19778 if (users[i] != userHandle && ps.getInstalled(users[i])) { 19779 keep = true; 19780 if (DEBUG_CLEAN_APKS) { 19781 Slog.i(TAG, " Keeping package " + packageName + " for user " 19782 + users[i]); 19783 } 19784 break; 19785 } 19786 } 19787 } 19788 if (!keep) { 19789 if (DEBUG_CLEAN_APKS) { 19790 Slog.i(TAG, " Removing package " + packageName); 19791 } 19792 mHandler.post(new Runnable() { 19793 public void run() { 19794 deletePackageX(packageName, userHandle, 0); 19795 } //end run 19796 }); 19797 } 19798 } 19799 } 19800 19801 /** Called by UserManagerService */ 19802 void createNewUser(int userHandle) { 19803 synchronized (mInstallLock) { 19804 mSettings.createNewUserLI(this, mInstaller, userHandle); 19805 } 19806 synchronized (mPackages) { 19807 applyFactoryDefaultBrowserLPw(userHandle); 19808 primeDomainVerificationsLPw(userHandle); 19809 } 19810 } 19811 19812 void newUserCreated(final int userHandle) { 19813 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 19814 // If permission review for legacy apps is required, we represent 19815 // dagerous permissions for such apps as always granted runtime 19816 // permissions to keep per user flag state whether review is needed. 19817 // Hence, if a new user is added we have to propagate dangerous 19818 // permission grants for these legacy apps. 19819 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 19820 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 19821 | UPDATE_PERMISSIONS_REPLACE_ALL); 19822 } 19823 } 19824 19825 @Override 19826 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 19827 mContext.enforceCallingOrSelfPermission( 19828 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 19829 "Only package verification agents can read the verifier device identity"); 19830 19831 synchronized (mPackages) { 19832 return mSettings.getVerifierDeviceIdentityLPw(); 19833 } 19834 } 19835 19836 @Override 19837 public void setPermissionEnforced(String permission, boolean enforced) { 19838 // TODO: Now that we no longer change GID for storage, this should to away. 19839 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 19840 "setPermissionEnforced"); 19841 if (READ_EXTERNAL_STORAGE.equals(permission)) { 19842 synchronized (mPackages) { 19843 if (mSettings.mReadExternalStorageEnforced == null 19844 || mSettings.mReadExternalStorageEnforced != enforced) { 19845 mSettings.mReadExternalStorageEnforced = enforced; 19846 mSettings.writeLPr(); 19847 } 19848 } 19849 // kill any non-foreground processes so we restart them and 19850 // grant/revoke the GID. 19851 final IActivityManager am = ActivityManagerNative.getDefault(); 19852 if (am != null) { 19853 final long token = Binder.clearCallingIdentity(); 19854 try { 19855 am.killProcessesBelowForeground("setPermissionEnforcement"); 19856 } catch (RemoteException e) { 19857 } finally { 19858 Binder.restoreCallingIdentity(token); 19859 } 19860 } 19861 } else { 19862 throw new IllegalArgumentException("No selective enforcement for " + permission); 19863 } 19864 } 19865 19866 @Override 19867 @Deprecated 19868 public boolean isPermissionEnforced(String permission) { 19869 return true; 19870 } 19871 19872 @Override 19873 public boolean isStorageLow() { 19874 final long token = Binder.clearCallingIdentity(); 19875 try { 19876 final DeviceStorageMonitorInternal 19877 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19878 if (dsm != null) { 19879 return dsm.isMemoryLow(); 19880 } else { 19881 return false; 19882 } 19883 } finally { 19884 Binder.restoreCallingIdentity(token); 19885 } 19886 } 19887 19888 @Override 19889 public IPackageInstaller getPackageInstaller() { 19890 return mInstallerService; 19891 } 19892 19893 private boolean userNeedsBadging(int userId) { 19894 int index = mUserNeedsBadging.indexOfKey(userId); 19895 if (index < 0) { 19896 final UserInfo userInfo; 19897 final long token = Binder.clearCallingIdentity(); 19898 try { 19899 userInfo = sUserManager.getUserInfo(userId); 19900 } finally { 19901 Binder.restoreCallingIdentity(token); 19902 } 19903 final boolean b; 19904 if (userInfo != null && userInfo.isManagedProfile()) { 19905 b = true; 19906 } else { 19907 b = false; 19908 } 19909 mUserNeedsBadging.put(userId, b); 19910 return b; 19911 } 19912 return mUserNeedsBadging.valueAt(index); 19913 } 19914 19915 @Override 19916 public KeySet getKeySetByAlias(String packageName, String alias) { 19917 if (packageName == null || alias == null) { 19918 return null; 19919 } 19920 synchronized(mPackages) { 19921 final PackageParser.Package pkg = mPackages.get(packageName); 19922 if (pkg == null) { 19923 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19924 throw new IllegalArgumentException("Unknown package: " + packageName); 19925 } 19926 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19927 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19928 } 19929 } 19930 19931 @Override 19932 public KeySet getSigningKeySet(String packageName) { 19933 if (packageName == null) { 19934 return null; 19935 } 19936 synchronized(mPackages) { 19937 final PackageParser.Package pkg = mPackages.get(packageName); 19938 if (pkg == null) { 19939 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19940 throw new IllegalArgumentException("Unknown package: " + packageName); 19941 } 19942 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19943 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19944 throw new SecurityException("May not access signing KeySet of other apps."); 19945 } 19946 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19947 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19948 } 19949 } 19950 19951 @Override 19952 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19953 if (packageName == null || ks == null) { 19954 return false; 19955 } 19956 synchronized(mPackages) { 19957 final PackageParser.Package pkg = mPackages.get(packageName); 19958 if (pkg == null) { 19959 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19960 throw new IllegalArgumentException("Unknown package: " + packageName); 19961 } 19962 IBinder ksh = ks.getToken(); 19963 if (ksh instanceof KeySetHandle) { 19964 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19965 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19966 } 19967 return false; 19968 } 19969 } 19970 19971 @Override 19972 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19973 if (packageName == null || ks == null) { 19974 return false; 19975 } 19976 synchronized(mPackages) { 19977 final PackageParser.Package pkg = mPackages.get(packageName); 19978 if (pkg == null) { 19979 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19980 throw new IllegalArgumentException("Unknown package: " + packageName); 19981 } 19982 IBinder ksh = ks.getToken(); 19983 if (ksh instanceof KeySetHandle) { 19984 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19985 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19986 } 19987 return false; 19988 } 19989 } 19990 19991 private void deletePackageIfUnusedLPr(final String packageName) { 19992 PackageSetting ps = mSettings.mPackages.get(packageName); 19993 if (ps == null) { 19994 return; 19995 } 19996 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19997 // TODO Implement atomic delete if package is unused 19998 // It is currently possible that the package will be deleted even if it is installed 19999 // after this method returns. 20000 mHandler.post(new Runnable() { 20001 public void run() { 20002 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20003 } 20004 }); 20005 } 20006 } 20007 20008 /** 20009 * Check and throw if the given before/after packages would be considered a 20010 * downgrade. 20011 */ 20012 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20013 throws PackageManagerException { 20014 if (after.versionCode < before.mVersionCode) { 20015 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20016 "Update version code " + after.versionCode + " is older than current " 20017 + before.mVersionCode); 20018 } else if (after.versionCode == before.mVersionCode) { 20019 if (after.baseRevisionCode < before.baseRevisionCode) { 20020 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20021 "Update base revision code " + after.baseRevisionCode 20022 + " is older than current " + before.baseRevisionCode); 20023 } 20024 20025 if (!ArrayUtils.isEmpty(after.splitNames)) { 20026 for (int i = 0; i < after.splitNames.length; i++) { 20027 final String splitName = after.splitNames[i]; 20028 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20029 if (j != -1) { 20030 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20031 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20032 "Update split " + splitName + " revision code " 20033 + after.splitRevisionCodes[i] + " is older than current " 20034 + before.splitRevisionCodes[j]); 20035 } 20036 } 20037 } 20038 } 20039 } 20040 } 20041 20042 private static class MoveCallbacks extends Handler { 20043 private static final int MSG_CREATED = 1; 20044 private static final int MSG_STATUS_CHANGED = 2; 20045 20046 private final RemoteCallbackList<IPackageMoveObserver> 20047 mCallbacks = new RemoteCallbackList<>(); 20048 20049 private final SparseIntArray mLastStatus = new SparseIntArray(); 20050 20051 public MoveCallbacks(Looper looper) { 20052 super(looper); 20053 } 20054 20055 public void register(IPackageMoveObserver callback) { 20056 mCallbacks.register(callback); 20057 } 20058 20059 public void unregister(IPackageMoveObserver callback) { 20060 mCallbacks.unregister(callback); 20061 } 20062 20063 @Override 20064 public void handleMessage(Message msg) { 20065 final SomeArgs args = (SomeArgs) msg.obj; 20066 final int n = mCallbacks.beginBroadcast(); 20067 for (int i = 0; i < n; i++) { 20068 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20069 try { 20070 invokeCallback(callback, msg.what, args); 20071 } catch (RemoteException ignored) { 20072 } 20073 } 20074 mCallbacks.finishBroadcast(); 20075 args.recycle(); 20076 } 20077 20078 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20079 throws RemoteException { 20080 switch (what) { 20081 case MSG_CREATED: { 20082 callback.onCreated(args.argi1, (Bundle) args.arg2); 20083 break; 20084 } 20085 case MSG_STATUS_CHANGED: { 20086 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20087 break; 20088 } 20089 } 20090 } 20091 20092 private void notifyCreated(int moveId, Bundle extras) { 20093 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20094 20095 final SomeArgs args = SomeArgs.obtain(); 20096 args.argi1 = moveId; 20097 args.arg2 = extras; 20098 obtainMessage(MSG_CREATED, args).sendToTarget(); 20099 } 20100 20101 private void notifyStatusChanged(int moveId, int status) { 20102 notifyStatusChanged(moveId, status, -1); 20103 } 20104 20105 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20106 Slog.v(TAG, "Move " + moveId + " status " + status); 20107 20108 final SomeArgs args = SomeArgs.obtain(); 20109 args.argi1 = moveId; 20110 args.argi2 = status; 20111 args.arg3 = estMillis; 20112 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20113 20114 synchronized (mLastStatus) { 20115 mLastStatus.put(moveId, status); 20116 } 20117 } 20118 } 20119 20120 private final static class OnPermissionChangeListeners extends Handler { 20121 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20122 20123 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20124 new RemoteCallbackList<>(); 20125 20126 public OnPermissionChangeListeners(Looper looper) { 20127 super(looper); 20128 } 20129 20130 @Override 20131 public void handleMessage(Message msg) { 20132 switch (msg.what) { 20133 case MSG_ON_PERMISSIONS_CHANGED: { 20134 final int uid = msg.arg1; 20135 handleOnPermissionsChanged(uid); 20136 } break; 20137 } 20138 } 20139 20140 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20141 mPermissionListeners.register(listener); 20142 20143 } 20144 20145 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20146 mPermissionListeners.unregister(listener); 20147 } 20148 20149 public void onPermissionsChanged(int uid) { 20150 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20151 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20152 } 20153 } 20154 20155 private void handleOnPermissionsChanged(int uid) { 20156 final int count = mPermissionListeners.beginBroadcast(); 20157 try { 20158 for (int i = 0; i < count; i++) { 20159 IOnPermissionsChangeListener callback = mPermissionListeners 20160 .getBroadcastItem(i); 20161 try { 20162 callback.onPermissionsChanged(uid); 20163 } catch (RemoteException e) { 20164 Log.e(TAG, "Permission listener is dead", e); 20165 } 20166 } 20167 } finally { 20168 mPermissionListeners.finishBroadcast(); 20169 } 20170 } 20171 } 20172 20173 private class PackageManagerInternalImpl extends PackageManagerInternal { 20174 @Override 20175 public void setLocationPackagesProvider(PackagesProvider provider) { 20176 synchronized (mPackages) { 20177 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20178 } 20179 } 20180 20181 @Override 20182 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20183 synchronized (mPackages) { 20184 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20185 } 20186 } 20187 20188 @Override 20189 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20190 synchronized (mPackages) { 20191 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20192 } 20193 } 20194 20195 @Override 20196 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20197 synchronized (mPackages) { 20198 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20199 } 20200 } 20201 20202 @Override 20203 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20204 synchronized (mPackages) { 20205 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20206 } 20207 } 20208 20209 @Override 20210 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20211 synchronized (mPackages) { 20212 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20213 } 20214 } 20215 20216 @Override 20217 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20218 synchronized (mPackages) { 20219 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20220 packageName, userId); 20221 } 20222 } 20223 20224 @Override 20225 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20226 synchronized (mPackages) { 20227 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20228 packageName, userId); 20229 } 20230 } 20231 20232 @Override 20233 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20234 synchronized (mPackages) { 20235 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20236 packageName, userId); 20237 } 20238 } 20239 20240 @Override 20241 public void setKeepUninstalledPackages(final List<String> packageList) { 20242 Preconditions.checkNotNull(packageList); 20243 List<String> removedFromList = null; 20244 synchronized (mPackages) { 20245 if (mKeepUninstalledPackages != null) { 20246 final int packagesCount = mKeepUninstalledPackages.size(); 20247 for (int i = 0; i < packagesCount; i++) { 20248 String oldPackage = mKeepUninstalledPackages.get(i); 20249 if (packageList != null && packageList.contains(oldPackage)) { 20250 continue; 20251 } 20252 if (removedFromList == null) { 20253 removedFromList = new ArrayList<>(); 20254 } 20255 removedFromList.add(oldPackage); 20256 } 20257 } 20258 mKeepUninstalledPackages = new ArrayList<>(packageList); 20259 if (removedFromList != null) { 20260 final int removedCount = removedFromList.size(); 20261 for (int i = 0; i < removedCount; i++) { 20262 deletePackageIfUnusedLPr(removedFromList.get(i)); 20263 } 20264 } 20265 } 20266 } 20267 20268 @Override 20269 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20270 synchronized (mPackages) { 20271 // If we do not support permission review, done. 20272 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20273 return false; 20274 } 20275 20276 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20277 if (packageSetting == null) { 20278 return false; 20279 } 20280 20281 // Permission review applies only to apps not supporting the new permission model. 20282 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20283 return false; 20284 } 20285 20286 // Legacy apps have the permission and get user consent on launch. 20287 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20288 return permissionsState.isPermissionReviewRequired(userId); 20289 } 20290 } 20291 20292 @Override 20293 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20294 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20295 } 20296 20297 @Override 20298 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20299 int userId) { 20300 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20301 } 20302 } 20303 20304 @Override 20305 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20306 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20307 synchronized (mPackages) { 20308 final long identity = Binder.clearCallingIdentity(); 20309 try { 20310 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20311 packageNames, userId); 20312 } finally { 20313 Binder.restoreCallingIdentity(identity); 20314 } 20315 } 20316 } 20317 20318 private static void enforceSystemOrPhoneCaller(String tag) { 20319 int callingUid = Binder.getCallingUid(); 20320 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20321 throw new SecurityException( 20322 "Cannot call " + tag + " from UID " + callingUid); 20323 } 20324 } 20325 20326 boolean isHistoricalPackageUsageAvailable() { 20327 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20328 } 20329 20330 /** 20331 * Return a <b>copy</b> of the collection of packages known to the package manager. 20332 * @return A copy of the values of mPackages. 20333 */ 20334 Collection<PackageParser.Package> getPackages() { 20335 synchronized (mPackages) { 20336 return new ArrayList<>(mPackages.values()); 20337 } 20338 } 20339 20340 /** 20341 * Logs process start information (including base APK hash) to the security log. 20342 * @hide 20343 */ 20344 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20345 String apkFile, int pid) { 20346 if (!SecurityLog.isLoggingEnabled()) { 20347 return; 20348 } 20349 Bundle data = new Bundle(); 20350 data.putLong("startTimestamp", System.currentTimeMillis()); 20351 data.putString("processName", processName); 20352 data.putInt("uid", uid); 20353 data.putString("seinfo", seinfo); 20354 data.putString("apkFile", apkFile); 20355 data.putInt("pid", pid); 20356 Message msg = mProcessLoggingHandler.obtainMessage( 20357 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20358 msg.setData(data); 20359 mProcessLoggingHandler.sendMessage(msg); 20360 } 20361} 20362