PackageManagerService.java revision 1c39a112b43e50da4e801d634e28ae7a130c0dcb
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.UserManagerInternal; 193import android.os.storage.IMountService; 194import android.os.storage.MountServiceInternal; 195import android.os.storage.StorageEventListener; 196import android.os.storage.StorageManager; 197import android.os.storage.VolumeInfo; 198import android.os.storage.VolumeRecord; 199import android.security.KeyStore; 200import android.security.SystemKeyStore; 201import android.system.ErrnoException; 202import android.system.Os; 203import android.text.TextUtils; 204import android.text.format.DateUtils; 205import android.util.ArrayMap; 206import android.util.ArraySet; 207import android.util.AtomicFile; 208import android.util.DisplayMetrics; 209import android.util.EventLog; 210import android.util.ExceptionUtils; 211import android.util.Log; 212import android.util.LogPrinter; 213import android.util.MathUtils; 214import android.util.PrintStreamPrinter; 215import android.util.Slog; 216import android.util.SparseArray; 217import android.util.SparseBooleanArray; 218import android.util.SparseIntArray; 219import android.util.Xml; 220import android.util.jar.StrictJarFile; 221import android.view.Display; 222 223import com.android.internal.R; 224import com.android.internal.annotations.GuardedBy; 225import com.android.internal.app.IMediaContainerService; 226import com.android.internal.app.ResolverActivity; 227import com.android.internal.content.NativeLibraryHelper; 228import com.android.internal.content.PackageHelper; 229import com.android.internal.logging.MetricsLogger; 230import com.android.internal.os.IParcelFileDescriptorFactory; 231import com.android.internal.os.InstallerConnection.InstallerException; 232import com.android.internal.os.SomeArgs; 233import com.android.internal.os.Zygote; 234import com.android.internal.telephony.CarrierAppUtils; 235import com.android.internal.util.ArrayUtils; 236import com.android.internal.util.FastPrintWriter; 237import com.android.internal.util.FastXmlSerializer; 238import com.android.internal.util.IndentingPrintWriter; 239import com.android.internal.util.Preconditions; 240import com.android.internal.util.XmlUtils; 241import com.android.server.EventLogTags; 242import com.android.server.FgThread; 243import com.android.server.IntentResolver; 244import com.android.server.LocalServices; 245import com.android.server.ServiceThread; 246import com.android.server.SystemConfig; 247import com.android.server.Watchdog; 248import com.android.server.net.NetworkPolicyManagerInternal; 249import com.android.server.pm.PermissionsState.PermissionState; 250import com.android.server.pm.Settings.DatabaseVersion; 251import com.android.server.pm.Settings.VersionInfo; 252import com.android.server.storage.DeviceStorageMonitorInternal; 253 254import dalvik.system.CloseGuard; 255import dalvik.system.DexFile; 256import dalvik.system.VMRuntime; 257 258import libcore.io.IoUtils; 259import libcore.util.EmptyArray; 260 261import org.xmlpull.v1.XmlPullParser; 262import org.xmlpull.v1.XmlPullParserException; 263import org.xmlpull.v1.XmlSerializer; 264 265import java.io.BufferedInputStream; 266import java.io.BufferedOutputStream; 267import java.io.BufferedReader; 268import java.io.ByteArrayInputStream; 269import java.io.ByteArrayOutputStream; 270import java.io.File; 271import java.io.FileDescriptor; 272import java.io.FileInputStream; 273import java.io.FileNotFoundException; 274import java.io.FileOutputStream; 275import java.io.FileReader; 276import java.io.FilenameFilter; 277import java.io.IOException; 278import java.io.InputStream; 279import java.io.PrintWriter; 280import java.nio.charset.StandardCharsets; 281import java.security.DigestInputStream; 282import java.security.MessageDigest; 283import java.security.NoSuchAlgorithmException; 284import java.security.PublicKey; 285import java.security.cert.Certificate; 286import java.security.cert.CertificateEncodingException; 287import java.security.cert.CertificateException; 288import java.text.SimpleDateFormat; 289import java.util.ArrayList; 290import java.util.Arrays; 291import java.util.Collection; 292import java.util.Collections; 293import java.util.Comparator; 294import java.util.Date; 295import java.util.HashSet; 296import java.util.Iterator; 297import java.util.List; 298import java.util.Map; 299import java.util.Objects; 300import java.util.Set; 301import java.util.concurrent.CountDownLatch; 302import java.util.concurrent.TimeUnit; 303import java.util.concurrent.atomic.AtomicBoolean; 304import java.util.concurrent.atomic.AtomicInteger; 305import java.util.concurrent.atomic.AtomicLong; 306 307/** 308 * Keep track of all those APKs everywhere. 309 * <p> 310 * Internally there are two important locks: 311 * <ul> 312 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 313 * and other related state. It is a fine-grained lock that should only be held 314 * momentarily, as it's one of the most contended locks in the system. 315 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 316 * operations typically involve heavy lifting of application data on disk. Since 317 * {@code installd} is single-threaded, and it's operations can often be slow, 318 * this lock should never be acquired while already holding {@link #mPackages}. 319 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 320 * holding {@link #mInstallLock}. 321 * </ul> 322 * Many internal methods rely on the caller to hold the appropriate locks, and 323 * this contract is expressed through method name suffixes: 324 * <ul> 325 * <li>fooLI(): the caller must hold {@link #mInstallLock} 326 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 327 * being modified must be frozen 328 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 329 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 330 * </ul> 331 * <p> 332 * Because this class is very central to the platform's security; please run all 333 * CTS and unit tests whenever making modifications: 334 * 335 * <pre> 336 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 337 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 338 * </pre> 339 */ 340public class PackageManagerService extends IPackageManager.Stub { 341 static final String TAG = "PackageManager"; 342 static final boolean DEBUG_SETTINGS = false; 343 static final boolean DEBUG_PREFERRED = false; 344 static final boolean DEBUG_UPGRADE = false; 345 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 346 private static final boolean DEBUG_BACKUP = false; 347 private static final boolean DEBUG_INSTALL = false; 348 private static final boolean DEBUG_REMOVE = false; 349 private static final boolean DEBUG_BROADCASTS = false; 350 private static final boolean DEBUG_SHOW_INFO = false; 351 private static final boolean DEBUG_PACKAGE_INFO = false; 352 private static final boolean DEBUG_INTENT_MATCHING = false; 353 private static final boolean DEBUG_PACKAGE_SCANNING = false; 354 private static final boolean DEBUG_VERIFY = false; 355 private static final boolean DEBUG_FILTERS = false; 356 357 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 358 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 359 // user, but by default initialize to this. 360 static final boolean DEBUG_DEXOPT = false; 361 362 private static final boolean DEBUG_ABI_SELECTION = false; 363 private static final boolean DEBUG_EPHEMERAL = false; 364 private static final boolean DEBUG_TRIAGED_MISSING = false; 365 private static final boolean DEBUG_APP_DATA = false; 366 367 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 368 369 private static final boolean DISABLE_EPHEMERAL_APPS = true; 370 371 private static final int RADIO_UID = Process.PHONE_UID; 372 private static final int LOG_UID = Process.LOG_UID; 373 private static final int NFC_UID = Process.NFC_UID; 374 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 375 private static final int SHELL_UID = Process.SHELL_UID; 376 377 // Cap the size of permission trees that 3rd party apps can define 378 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 379 380 // Suffix used during package installation when copying/moving 381 // package apks to install directory. 382 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 383 384 static final int SCAN_NO_DEX = 1<<1; 385 static final int SCAN_FORCE_DEX = 1<<2; 386 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 387 static final int SCAN_NEW_INSTALL = 1<<4; 388 static final int SCAN_NO_PATHS = 1<<5; 389 static final int SCAN_UPDATE_TIME = 1<<6; 390 static final int SCAN_DEFER_DEX = 1<<7; 391 static final int SCAN_BOOTING = 1<<8; 392 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 393 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 394 static final int SCAN_REPLACING = 1<<11; 395 static final int SCAN_REQUIRE_KNOWN = 1<<12; 396 static final int SCAN_MOVE = 1<<13; 397 static final int SCAN_INITIAL = 1<<14; 398 static final int SCAN_CHECK_ONLY = 1<<15; 399 static final int SCAN_DONT_KILL_APP = 1<<17; 400 static final int SCAN_IGNORE_FROZEN = 1<<18; 401 402 static final int REMOVE_CHATTY = 1<<16; 403 404 private static final int[] EMPTY_INT_ARRAY = new int[0]; 405 406 /** 407 * Timeout (in milliseconds) after which the watchdog should declare that 408 * our handler thread is wedged. The usual default for such things is one 409 * minute but we sometimes do very lengthy I/O operations on this thread, 410 * such as installing multi-gigabyte applications, so ours needs to be longer. 411 */ 412 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 413 414 /** 415 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 416 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 417 * settings entry if available, otherwise we use the hardcoded default. If it's been 418 * more than this long since the last fstrim, we force one during the boot sequence. 419 * 420 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 421 * one gets run at the next available charging+idle time. This final mandatory 422 * no-fstrim check kicks in only of the other scheduling criteria is never met. 423 */ 424 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 425 426 /** 427 * Whether verification is enabled by default. 428 */ 429 private static final boolean DEFAULT_VERIFY_ENABLE = true; 430 431 /** 432 * The default maximum time to wait for the verification agent to return in 433 * milliseconds. 434 */ 435 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 436 437 /** 438 * The default response for package verification timeout. 439 * 440 * This can be either PackageManager.VERIFICATION_ALLOW or 441 * PackageManager.VERIFICATION_REJECT. 442 */ 443 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 444 445 static final String PLATFORM_PACKAGE_NAME = "android"; 446 447 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 448 449 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 450 DEFAULT_CONTAINER_PACKAGE, 451 "com.android.defcontainer.DefaultContainerService"); 452 453 private static final String KILL_APP_REASON_GIDS_CHANGED = 454 "permission grant or revoke changed gids"; 455 456 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 457 "permissions revoked"; 458 459 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 460 461 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 462 463 /** Permission grant: not grant the permission. */ 464 private static final int GRANT_DENIED = 1; 465 466 /** Permission grant: grant the permission as an install permission. */ 467 private static final int GRANT_INSTALL = 2; 468 469 /** Permission grant: grant the permission as a runtime one. */ 470 private static final int GRANT_RUNTIME = 3; 471 472 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 473 private static final int GRANT_UPGRADE = 4; 474 475 /** Canonical intent used to identify what counts as a "web browser" app */ 476 private static final Intent sBrowserIntent; 477 static { 478 sBrowserIntent = new Intent(); 479 sBrowserIntent.setAction(Intent.ACTION_VIEW); 480 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 481 sBrowserIntent.setData(Uri.parse("http:")); 482 } 483 484 /** 485 * The set of all protected actions [i.e. those actions for which a high priority 486 * intent filter is disallowed]. 487 */ 488 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 489 static { 490 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 491 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 492 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 493 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 494 } 495 496 // Compilation reasons. 497 public static final int REASON_FIRST_BOOT = 0; 498 public static final int REASON_BOOT = 1; 499 public static final int REASON_INSTALL = 2; 500 public static final int REASON_BACKGROUND_DEXOPT = 3; 501 public static final int REASON_AB_OTA = 4; 502 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 503 public static final int REASON_SHARED_APK = 6; 504 public static final int REASON_FORCED_DEXOPT = 7; 505 506 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 507 508 /** Special library name that skips shared libraries check during compilation. */ 509 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 510 511 final ServiceThread mHandlerThread; 512 513 final PackageHandler mHandler; 514 515 private final ProcessLoggingHandler mProcessLoggingHandler; 516 517 /** 518 * Messages for {@link #mHandler} that need to wait for system ready before 519 * being dispatched. 520 */ 521 private ArrayList<Message> mPostSystemReadyMessages; 522 523 final int mSdkVersion = Build.VERSION.SDK_INT; 524 525 final Context mContext; 526 final boolean mFactoryTest; 527 final boolean mOnlyCore; 528 final DisplayMetrics mMetrics; 529 final int mDefParseFlags; 530 final String[] mSeparateProcesses; 531 final boolean mIsUpgrade; 532 final boolean mIsPreNUpgrade; 533 534 /** The location for ASEC container files on internal storage. */ 535 final String mAsecInternalPath; 536 537 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 538 // LOCK HELD. Can be called with mInstallLock held. 539 @GuardedBy("mInstallLock") 540 final Installer mInstaller; 541 542 /** Directory where installed third-party apps stored */ 543 final File mAppInstallDir; 544 final File mEphemeralInstallDir; 545 546 /** 547 * Directory to which applications installed internally have their 548 * 32 bit native libraries copied. 549 */ 550 private File mAppLib32InstallDir; 551 552 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 553 // apps. 554 final File mDrmAppPrivateInstallDir; 555 556 // ---------------------------------------------------------------- 557 558 // Lock for state used when installing and doing other long running 559 // operations. Methods that must be called with this lock held have 560 // the suffix "LI". 561 final Object mInstallLock = new Object(); 562 563 // ---------------------------------------------------------------- 564 565 // Keys are String (package name), values are Package. This also serves 566 // as the lock for the global state. Methods that must be called with 567 // this lock held have the prefix "LP". 568 @GuardedBy("mPackages") 569 final ArrayMap<String, PackageParser.Package> mPackages = 570 new ArrayMap<String, PackageParser.Package>(); 571 572 final ArrayMap<String, Set<String>> mKnownCodebase = 573 new ArrayMap<String, Set<String>>(); 574 575 // Tracks available target package names -> overlay package paths. 576 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 577 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 578 579 /** 580 * Tracks new system packages [received in an OTA] that we expect to 581 * find updated user-installed versions. Keys are package name, values 582 * are package location. 583 */ 584 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 585 /** 586 * Tracks high priority intent filters for protected actions. During boot, certain 587 * filter actions are protected and should never be allowed to have a high priority 588 * intent filter for them. However, there is one, and only one exception -- the 589 * setup wizard. It must be able to define a high priority intent filter for these 590 * actions to ensure there are no escapes from the wizard. We need to delay processing 591 * of these during boot as we need to look at all of the system packages in order 592 * to know which component is the setup wizard. 593 */ 594 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 595 /** 596 * Whether or not processing protected filters should be deferred. 597 */ 598 private boolean mDeferProtectedFilters = true; 599 600 /** 601 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 602 */ 603 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 604 /** 605 * Whether or not system app permissions should be promoted from install to runtime. 606 */ 607 boolean mPromoteSystemApps; 608 609 @GuardedBy("mPackages") 610 final Settings mSettings; 611 612 /** 613 * Set of package names that are currently "frozen", which means active 614 * surgery is being done on the code/data for that package. The platform 615 * will refuse to launch frozen packages to avoid race conditions. 616 * 617 * @see PackageFreezer 618 */ 619 @GuardedBy("mPackages") 620 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 621 622 boolean mRestoredSettings; 623 624 // System configuration read by SystemConfig. 625 final int[] mGlobalGids; 626 final SparseArray<ArraySet<String>> mSystemPermissions; 627 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 628 629 // If mac_permissions.xml was found for seinfo labeling. 630 boolean mFoundPolicyFile; 631 632 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 633 634 public static final class SharedLibraryEntry { 635 public final String path; 636 public final String apk; 637 638 SharedLibraryEntry(String _path, String _apk) { 639 path = _path; 640 apk = _apk; 641 } 642 } 643 644 // Currently known shared libraries. 645 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 646 new ArrayMap<String, SharedLibraryEntry>(); 647 648 // All available activities, for your resolving pleasure. 649 final ActivityIntentResolver mActivities = 650 new ActivityIntentResolver(); 651 652 // All available receivers, for your resolving pleasure. 653 final ActivityIntentResolver mReceivers = 654 new ActivityIntentResolver(); 655 656 // All available services, for your resolving pleasure. 657 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 658 659 // All available providers, for your resolving pleasure. 660 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 661 662 // Mapping from provider base names (first directory in content URI codePath) 663 // to the provider information. 664 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 665 new ArrayMap<String, PackageParser.Provider>(); 666 667 // Mapping from instrumentation class names to info about them. 668 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 669 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 670 671 // Mapping from permission names to info about them. 672 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 673 new ArrayMap<String, PackageParser.PermissionGroup>(); 674 675 // Packages whose data we have transfered into another package, thus 676 // should no longer exist. 677 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 678 679 // Broadcast actions that are only available to the system. 680 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 681 682 /** List of packages waiting for verification. */ 683 final SparseArray<PackageVerificationState> mPendingVerification 684 = new SparseArray<PackageVerificationState>(); 685 686 /** Set of packages associated with each app op permission. */ 687 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 688 689 final PackageInstallerService mInstallerService; 690 691 private final PackageDexOptimizer mPackageDexOptimizer; 692 693 private AtomicInteger mNextMoveId = new AtomicInteger(); 694 private final MoveCallbacks mMoveCallbacks; 695 696 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 697 698 // Cache of users who need badging. 699 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 700 701 /** Token for keys in mPendingVerification. */ 702 private int mPendingVerificationToken = 0; 703 704 volatile boolean mSystemReady; 705 volatile boolean mSafeMode; 706 volatile boolean mHasSystemUidErrors; 707 708 ApplicationInfo mAndroidApplication; 709 final ActivityInfo mResolveActivity = new ActivityInfo(); 710 final ResolveInfo mResolveInfo = new ResolveInfo(); 711 ComponentName mResolveComponentName; 712 PackageParser.Package mPlatformPackage; 713 ComponentName mCustomResolverComponentName; 714 715 boolean mResolverReplaced = false; 716 717 private final @Nullable ComponentName mIntentFilterVerifierComponent; 718 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 719 720 private int mIntentFilterVerificationToken = 0; 721 722 /** Component that knows whether or not an ephemeral application exists */ 723 final ComponentName mEphemeralResolverComponent; 724 /** The service connection to the ephemeral resolver */ 725 final EphemeralResolverConnection mEphemeralResolverConnection; 726 727 /** Component used to install ephemeral applications */ 728 final ComponentName mEphemeralInstallerComponent; 729 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 730 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 731 732 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 733 = new SparseArray<IntentFilterVerificationState>(); 734 735 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 736 new DefaultPermissionGrantPolicy(this); 737 738 // List of packages names to keep cached, even if they are uninstalled for all users 739 private List<String> mKeepUninstalledPackages; 740 741 private UserManagerInternal mUserManagerInternal; 742 743 private static class IFVerificationParams { 744 PackageParser.Package pkg; 745 boolean replacing; 746 int userId; 747 int verifierUid; 748 749 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 750 int _userId, int _verifierUid) { 751 pkg = _pkg; 752 replacing = _replacing; 753 userId = _userId; 754 replacing = _replacing; 755 verifierUid = _verifierUid; 756 } 757 } 758 759 private interface IntentFilterVerifier<T extends IntentFilter> { 760 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 761 T filter, String packageName); 762 void startVerifications(int userId); 763 void receiveVerificationResponse(int verificationId); 764 } 765 766 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 767 private Context mContext; 768 private ComponentName mIntentFilterVerifierComponent; 769 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 770 771 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 772 mContext = context; 773 mIntentFilterVerifierComponent = verifierComponent; 774 } 775 776 private String getDefaultScheme() { 777 return IntentFilter.SCHEME_HTTPS; 778 } 779 780 @Override 781 public void startVerifications(int userId) { 782 // Launch verifications requests 783 int count = mCurrentIntentFilterVerifications.size(); 784 for (int n=0; n<count; n++) { 785 int verificationId = mCurrentIntentFilterVerifications.get(n); 786 final IntentFilterVerificationState ivs = 787 mIntentFilterVerificationStates.get(verificationId); 788 789 String packageName = ivs.getPackageName(); 790 791 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 792 final int filterCount = filters.size(); 793 ArraySet<String> domainsSet = new ArraySet<>(); 794 for (int m=0; m<filterCount; m++) { 795 PackageParser.ActivityIntentInfo filter = filters.get(m); 796 domainsSet.addAll(filter.getHostsList()); 797 } 798 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 799 synchronized (mPackages) { 800 if (mSettings.createIntentFilterVerificationIfNeededLPw( 801 packageName, domainsList) != null) { 802 scheduleWriteSettingsLocked(); 803 } 804 } 805 sendVerificationRequest(userId, verificationId, ivs); 806 } 807 mCurrentIntentFilterVerifications.clear(); 808 } 809 810 private void sendVerificationRequest(int userId, int verificationId, 811 IntentFilterVerificationState ivs) { 812 813 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 814 verificationIntent.putExtra( 815 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 816 verificationId); 817 verificationIntent.putExtra( 818 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 819 getDefaultScheme()); 820 verificationIntent.putExtra( 821 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 822 ivs.getHostsString()); 823 verificationIntent.putExtra( 824 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 825 ivs.getPackageName()); 826 verificationIntent.setComponent(mIntentFilterVerifierComponent); 827 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 828 829 UserHandle user = new UserHandle(userId); 830 mContext.sendBroadcastAsUser(verificationIntent, user); 831 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 832 "Sending IntentFilter verification broadcast"); 833 } 834 835 public void receiveVerificationResponse(int verificationId) { 836 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 837 838 final boolean verified = ivs.isVerified(); 839 840 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 841 final int count = filters.size(); 842 if (DEBUG_DOMAIN_VERIFICATION) { 843 Slog.i(TAG, "Received verification response " + verificationId 844 + " for " + count + " filters, verified=" + verified); 845 } 846 for (int n=0; n<count; n++) { 847 PackageParser.ActivityIntentInfo filter = filters.get(n); 848 filter.setVerified(verified); 849 850 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 851 + " verified with result:" + verified + " and hosts:" 852 + ivs.getHostsString()); 853 } 854 855 mIntentFilterVerificationStates.remove(verificationId); 856 857 final String packageName = ivs.getPackageName(); 858 IntentFilterVerificationInfo ivi = null; 859 860 synchronized (mPackages) { 861 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 862 } 863 if (ivi == null) { 864 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 865 + verificationId + " packageName:" + packageName); 866 return; 867 } 868 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 869 "Updating IntentFilterVerificationInfo for package " + packageName 870 +" verificationId:" + verificationId); 871 872 synchronized (mPackages) { 873 if (verified) { 874 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 875 } else { 876 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 877 } 878 scheduleWriteSettingsLocked(); 879 880 final int userId = ivs.getUserId(); 881 if (userId != UserHandle.USER_ALL) { 882 final int userStatus = 883 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 884 885 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 886 boolean needUpdate = false; 887 888 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 889 // already been set by the User thru the Disambiguation dialog 890 switch (userStatus) { 891 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 892 if (verified) { 893 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 894 } else { 895 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 896 } 897 needUpdate = true; 898 break; 899 900 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 901 if (verified) { 902 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 903 needUpdate = true; 904 } 905 break; 906 907 default: 908 // Nothing to do 909 } 910 911 if (needUpdate) { 912 mSettings.updateIntentFilterVerificationStatusLPw( 913 packageName, updatedStatus, userId); 914 scheduleWritePackageRestrictionsLocked(userId); 915 } 916 } 917 } 918 } 919 920 @Override 921 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 922 ActivityIntentInfo filter, String packageName) { 923 if (!hasValidDomains(filter)) { 924 return false; 925 } 926 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 927 if (ivs == null) { 928 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 929 packageName); 930 } 931 if (DEBUG_DOMAIN_VERIFICATION) { 932 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 933 } 934 ivs.addFilter(filter); 935 return true; 936 } 937 938 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 939 int userId, int verificationId, String packageName) { 940 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 941 verifierUid, userId, packageName); 942 ivs.setPendingState(); 943 synchronized (mPackages) { 944 mIntentFilterVerificationStates.append(verificationId, ivs); 945 mCurrentIntentFilterVerifications.add(verificationId); 946 } 947 return ivs; 948 } 949 } 950 951 private static boolean hasValidDomains(ActivityIntentInfo filter) { 952 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 953 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 954 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 955 } 956 957 // Set of pending broadcasts for aggregating enable/disable of components. 958 static class PendingPackageBroadcasts { 959 // for each user id, a map of <package name -> components within that package> 960 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 961 962 public PendingPackageBroadcasts() { 963 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 964 } 965 966 public ArrayList<String> get(int userId, String packageName) { 967 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 968 return packages.get(packageName); 969 } 970 971 public void put(int userId, String packageName, ArrayList<String> components) { 972 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 973 packages.put(packageName, components); 974 } 975 976 public void remove(int userId, String packageName) { 977 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 978 if (packages != null) { 979 packages.remove(packageName); 980 } 981 } 982 983 public void remove(int userId) { 984 mUidMap.remove(userId); 985 } 986 987 public int userIdCount() { 988 return mUidMap.size(); 989 } 990 991 public int userIdAt(int n) { 992 return mUidMap.keyAt(n); 993 } 994 995 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 996 return mUidMap.get(userId); 997 } 998 999 public int size() { 1000 // total number of pending broadcast entries across all userIds 1001 int num = 0; 1002 for (int i = 0; i< mUidMap.size(); i++) { 1003 num += mUidMap.valueAt(i).size(); 1004 } 1005 return num; 1006 } 1007 1008 public void clear() { 1009 mUidMap.clear(); 1010 } 1011 1012 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1013 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1014 if (map == null) { 1015 map = new ArrayMap<String, ArrayList<String>>(); 1016 mUidMap.put(userId, map); 1017 } 1018 return map; 1019 } 1020 } 1021 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1022 1023 // Service Connection to remote media container service to copy 1024 // package uri's from external media onto secure containers 1025 // or internal storage. 1026 private IMediaContainerService mContainerService = null; 1027 1028 static final int SEND_PENDING_BROADCAST = 1; 1029 static final int MCS_BOUND = 3; 1030 static final int END_COPY = 4; 1031 static final int INIT_COPY = 5; 1032 static final int MCS_UNBIND = 6; 1033 static final int START_CLEANING_PACKAGE = 7; 1034 static final int FIND_INSTALL_LOC = 8; 1035 static final int POST_INSTALL = 9; 1036 static final int MCS_RECONNECT = 10; 1037 static final int MCS_GIVE_UP = 11; 1038 static final int UPDATED_MEDIA_STATUS = 12; 1039 static final int WRITE_SETTINGS = 13; 1040 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1041 static final int PACKAGE_VERIFIED = 15; 1042 static final int CHECK_PENDING_VERIFICATION = 16; 1043 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1044 static final int INTENT_FILTER_VERIFIED = 18; 1045 static final int WRITE_PACKAGE_LIST = 19; 1046 1047 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1048 1049 // Delay time in millisecs 1050 static final int BROADCAST_DELAY = 10 * 1000; 1051 1052 static UserManagerService sUserManager; 1053 1054 // Stores a list of users whose package restrictions file needs to be updated 1055 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1056 1057 final private DefaultContainerConnection mDefContainerConn = 1058 new DefaultContainerConnection(); 1059 class DefaultContainerConnection implements ServiceConnection { 1060 public void onServiceConnected(ComponentName name, IBinder service) { 1061 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1062 IMediaContainerService imcs = 1063 IMediaContainerService.Stub.asInterface(service); 1064 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1065 } 1066 1067 public void onServiceDisconnected(ComponentName name) { 1068 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1069 } 1070 } 1071 1072 // Recordkeeping of restore-after-install operations that are currently in flight 1073 // between the Package Manager and the Backup Manager 1074 static class PostInstallData { 1075 public InstallArgs args; 1076 public PackageInstalledInfo res; 1077 1078 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1079 args = _a; 1080 res = _r; 1081 } 1082 } 1083 1084 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1085 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1086 1087 // XML tags for backup/restore of various bits of state 1088 private static final String TAG_PREFERRED_BACKUP = "pa"; 1089 private static final String TAG_DEFAULT_APPS = "da"; 1090 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1091 1092 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1093 private static final String TAG_ALL_GRANTS = "rt-grants"; 1094 private static final String TAG_GRANT = "grant"; 1095 private static final String ATTR_PACKAGE_NAME = "pkg"; 1096 1097 private static final String TAG_PERMISSION = "perm"; 1098 private static final String ATTR_PERMISSION_NAME = "name"; 1099 private static final String ATTR_IS_GRANTED = "g"; 1100 private static final String ATTR_USER_SET = "set"; 1101 private static final String ATTR_USER_FIXED = "fixed"; 1102 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1103 1104 // System/policy permission grants are not backed up 1105 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1106 FLAG_PERMISSION_POLICY_FIXED 1107 | FLAG_PERMISSION_SYSTEM_FIXED 1108 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1109 1110 // And we back up these user-adjusted states 1111 private static final int USER_RUNTIME_GRANT_MASK = 1112 FLAG_PERMISSION_USER_SET 1113 | FLAG_PERMISSION_USER_FIXED 1114 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1115 1116 final @Nullable String mRequiredVerifierPackage; 1117 final @NonNull String mRequiredInstallerPackage; 1118 final @Nullable String mSetupWizardPackage; 1119 final @NonNull String mServicesSystemSharedLibraryPackageName; 1120 final @NonNull String mSharedSystemSharedLibraryPackageName; 1121 1122 private final PackageUsage mPackageUsage = new PackageUsage(); 1123 1124 private class PackageUsage { 1125 private static final int WRITE_INTERVAL 1126 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1127 1128 private final Object mFileLock = new Object(); 1129 private final AtomicLong mLastWritten = new AtomicLong(0); 1130 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1131 1132 private boolean mIsHistoricalPackageUsageAvailable = true; 1133 1134 boolean isHistoricalPackageUsageAvailable() { 1135 return mIsHistoricalPackageUsageAvailable; 1136 } 1137 1138 void write(boolean force) { 1139 if (force) { 1140 writeInternal(); 1141 return; 1142 } 1143 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1144 && !DEBUG_DEXOPT) { 1145 return; 1146 } 1147 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1148 new Thread("PackageUsage_DiskWriter") { 1149 @Override 1150 public void run() { 1151 try { 1152 writeInternal(); 1153 } finally { 1154 mBackgroundWriteRunning.set(false); 1155 } 1156 } 1157 }.start(); 1158 } 1159 } 1160 1161 private void writeInternal() { 1162 synchronized (mPackages) { 1163 synchronized (mFileLock) { 1164 AtomicFile file = getFile(); 1165 FileOutputStream f = null; 1166 try { 1167 f = file.startWrite(); 1168 BufferedOutputStream out = new BufferedOutputStream(f); 1169 FileUtils.setPermissions(file.getBaseFile().getPath(), 1170 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1171 StringBuilder sb = new StringBuilder(); 1172 1173 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1174 sb.append('\n'); 1175 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1176 1177 for (PackageParser.Package pkg : mPackages.values()) { 1178 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1179 continue; 1180 } 1181 sb.setLength(0); 1182 sb.append(pkg.packageName); 1183 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1184 sb.append(' '); 1185 sb.append(usageTimeInMillis); 1186 } 1187 sb.append('\n'); 1188 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1189 } 1190 out.flush(); 1191 file.finishWrite(f); 1192 } catch (IOException e) { 1193 if (f != null) { 1194 file.failWrite(f); 1195 } 1196 Log.e(TAG, "Failed to write package usage times", e); 1197 } 1198 } 1199 } 1200 mLastWritten.set(SystemClock.elapsedRealtime()); 1201 } 1202 1203 void readLP() { 1204 synchronized (mFileLock) { 1205 AtomicFile file = getFile(); 1206 BufferedInputStream in = null; 1207 try { 1208 in = new BufferedInputStream(file.openRead()); 1209 StringBuffer sb = new StringBuffer(); 1210 1211 String firstLine = readLine(in, sb); 1212 if (firstLine.equals(USAGE_FILE_MAGIC_VERSION_1)) { 1213 readVersion1LP(in, sb); 1214 } else { 1215 readVersion0LP(in, sb, firstLine); 1216 } 1217 } catch (FileNotFoundException expected) { 1218 mIsHistoricalPackageUsageAvailable = false; 1219 } catch (IOException e) { 1220 Log.w(TAG, "Failed to read package usage times", e); 1221 } finally { 1222 IoUtils.closeQuietly(in); 1223 } 1224 } 1225 mLastWritten.set(SystemClock.elapsedRealtime()); 1226 } 1227 1228 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1229 throws IOException { 1230 // Initial version of the file had no version number and stored one 1231 // package-timestamp pair per line. 1232 // Note that the first line has already been read from the InputStream. 1233 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1234 String[] tokens = line.split(" "); 1235 if (tokens.length != 2) { 1236 throw new IOException("Failed to parse " + line + 1237 " as package-timestamp pair."); 1238 } 1239 1240 String packageName = tokens[0]; 1241 PackageParser.Package pkg = mPackages.get(packageName); 1242 if (pkg == null) { 1243 continue; 1244 } 1245 1246 long timestamp = parseAsLong(tokens[1]); 1247 for (int reason = 0; 1248 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1249 reason++) { 1250 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1251 } 1252 } 1253 } 1254 1255 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1256 // Version 1 of the file started with the corresponding version 1257 // number and then stored a package name and eight timestamps per line. 1258 String line; 1259 while ((line = readLine(in, sb)) != null) { 1260 String[] tokens = line.split(" "); 1261 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1262 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1263 } 1264 1265 String packageName = tokens[0]; 1266 PackageParser.Package pkg = mPackages.get(packageName); 1267 if (pkg == null) { 1268 continue; 1269 } 1270 1271 for (int reason = 0; 1272 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1273 reason++) { 1274 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1275 } 1276 } 1277 } 1278 1279 private long parseAsLong(String token) throws IOException { 1280 try { 1281 return Long.parseLong(token); 1282 } catch (NumberFormatException e) { 1283 throw new IOException("Failed to parse " + token + " as a long.", e); 1284 } 1285 } 1286 1287 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1288 return readToken(in, sb, '\n'); 1289 } 1290 1291 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1292 throws IOException { 1293 sb.setLength(0); 1294 while (true) { 1295 int ch = in.read(); 1296 if (ch == -1) { 1297 if (sb.length() == 0) { 1298 return null; 1299 } 1300 throw new IOException("Unexpected EOF"); 1301 } 1302 if (ch == endOfToken) { 1303 return sb.toString(); 1304 } 1305 sb.append((char)ch); 1306 } 1307 } 1308 1309 private AtomicFile getFile() { 1310 File dataDir = Environment.getDataDirectory(); 1311 File systemDir = new File(dataDir, "system"); 1312 File fname = new File(systemDir, "package-usage.list"); 1313 return new AtomicFile(fname); 1314 } 1315 1316 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1317 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1318 } 1319 1320 class PackageHandler extends Handler { 1321 private boolean mBound = false; 1322 final ArrayList<HandlerParams> mPendingInstalls = 1323 new ArrayList<HandlerParams>(); 1324 1325 private boolean connectToService() { 1326 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1327 " DefaultContainerService"); 1328 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1329 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1330 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1331 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1332 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1333 mBound = true; 1334 return true; 1335 } 1336 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1337 return false; 1338 } 1339 1340 private void disconnectService() { 1341 mContainerService = null; 1342 mBound = false; 1343 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1344 mContext.unbindService(mDefContainerConn); 1345 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1346 } 1347 1348 PackageHandler(Looper looper) { 1349 super(looper); 1350 } 1351 1352 public void handleMessage(Message msg) { 1353 try { 1354 doHandleMessage(msg); 1355 } finally { 1356 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1357 } 1358 } 1359 1360 void doHandleMessage(Message msg) { 1361 switch (msg.what) { 1362 case INIT_COPY: { 1363 HandlerParams params = (HandlerParams) msg.obj; 1364 int idx = mPendingInstalls.size(); 1365 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1366 // If a bind was already initiated we dont really 1367 // need to do anything. The pending install 1368 // will be processed later on. 1369 if (!mBound) { 1370 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1371 System.identityHashCode(mHandler)); 1372 // If this is the only one pending we might 1373 // have to bind to the service again. 1374 if (!connectToService()) { 1375 Slog.e(TAG, "Failed to bind to media container service"); 1376 params.serviceError(); 1377 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1378 System.identityHashCode(mHandler)); 1379 if (params.traceMethod != null) { 1380 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1381 params.traceCookie); 1382 } 1383 return; 1384 } else { 1385 // Once we bind to the service, the first 1386 // pending request will be processed. 1387 mPendingInstalls.add(idx, params); 1388 } 1389 } else { 1390 mPendingInstalls.add(idx, params); 1391 // Already bound to the service. Just make 1392 // sure we trigger off processing the first request. 1393 if (idx == 0) { 1394 mHandler.sendEmptyMessage(MCS_BOUND); 1395 } 1396 } 1397 break; 1398 } 1399 case MCS_BOUND: { 1400 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1401 if (msg.obj != null) { 1402 mContainerService = (IMediaContainerService) msg.obj; 1403 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1404 System.identityHashCode(mHandler)); 1405 } 1406 if (mContainerService == null) { 1407 if (!mBound) { 1408 // Something seriously wrong since we are not bound and we are not 1409 // waiting for connection. Bail out. 1410 Slog.e(TAG, "Cannot bind to media container service"); 1411 for (HandlerParams params : mPendingInstalls) { 1412 // Indicate service bind error 1413 params.serviceError(); 1414 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1415 System.identityHashCode(params)); 1416 if (params.traceMethod != null) { 1417 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1418 params.traceMethod, params.traceCookie); 1419 } 1420 return; 1421 } 1422 mPendingInstalls.clear(); 1423 } else { 1424 Slog.w(TAG, "Waiting to connect to media container service"); 1425 } 1426 } else if (mPendingInstalls.size() > 0) { 1427 HandlerParams params = mPendingInstalls.get(0); 1428 if (params != null) { 1429 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1430 System.identityHashCode(params)); 1431 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1432 if (params.startCopy()) { 1433 // We are done... look for more work or to 1434 // go idle. 1435 if (DEBUG_SD_INSTALL) Log.i(TAG, 1436 "Checking for more work or unbind..."); 1437 // Delete pending install 1438 if (mPendingInstalls.size() > 0) { 1439 mPendingInstalls.remove(0); 1440 } 1441 if (mPendingInstalls.size() == 0) { 1442 if (mBound) { 1443 if (DEBUG_SD_INSTALL) Log.i(TAG, 1444 "Posting delayed MCS_UNBIND"); 1445 removeMessages(MCS_UNBIND); 1446 Message ubmsg = obtainMessage(MCS_UNBIND); 1447 // Unbind after a little delay, to avoid 1448 // continual thrashing. 1449 sendMessageDelayed(ubmsg, 10000); 1450 } 1451 } else { 1452 // There are more pending requests in queue. 1453 // Just post MCS_BOUND message to trigger processing 1454 // of next pending install. 1455 if (DEBUG_SD_INSTALL) Log.i(TAG, 1456 "Posting MCS_BOUND for next work"); 1457 mHandler.sendEmptyMessage(MCS_BOUND); 1458 } 1459 } 1460 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1461 } 1462 } else { 1463 // Should never happen ideally. 1464 Slog.w(TAG, "Empty queue"); 1465 } 1466 break; 1467 } 1468 case MCS_RECONNECT: { 1469 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1470 if (mPendingInstalls.size() > 0) { 1471 if (mBound) { 1472 disconnectService(); 1473 } 1474 if (!connectToService()) { 1475 Slog.e(TAG, "Failed to bind to media container service"); 1476 for (HandlerParams params : mPendingInstalls) { 1477 // Indicate service bind error 1478 params.serviceError(); 1479 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1480 System.identityHashCode(params)); 1481 } 1482 mPendingInstalls.clear(); 1483 } 1484 } 1485 break; 1486 } 1487 case MCS_UNBIND: { 1488 // If there is no actual work left, then time to unbind. 1489 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1490 1491 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1492 if (mBound) { 1493 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1494 1495 disconnectService(); 1496 } 1497 } else if (mPendingInstalls.size() > 0) { 1498 // There are more pending requests in queue. 1499 // Just post MCS_BOUND message to trigger processing 1500 // of next pending install. 1501 mHandler.sendEmptyMessage(MCS_BOUND); 1502 } 1503 1504 break; 1505 } 1506 case MCS_GIVE_UP: { 1507 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1508 HandlerParams params = mPendingInstalls.remove(0); 1509 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1510 System.identityHashCode(params)); 1511 break; 1512 } 1513 case SEND_PENDING_BROADCAST: { 1514 String packages[]; 1515 ArrayList<String> components[]; 1516 int size = 0; 1517 int uids[]; 1518 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1519 synchronized (mPackages) { 1520 if (mPendingBroadcasts == null) { 1521 return; 1522 } 1523 size = mPendingBroadcasts.size(); 1524 if (size <= 0) { 1525 // Nothing to be done. Just return 1526 return; 1527 } 1528 packages = new String[size]; 1529 components = new ArrayList[size]; 1530 uids = new int[size]; 1531 int i = 0; // filling out the above arrays 1532 1533 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1534 int packageUserId = mPendingBroadcasts.userIdAt(n); 1535 Iterator<Map.Entry<String, ArrayList<String>>> it 1536 = mPendingBroadcasts.packagesForUserId(packageUserId) 1537 .entrySet().iterator(); 1538 while (it.hasNext() && i < size) { 1539 Map.Entry<String, ArrayList<String>> ent = it.next(); 1540 packages[i] = ent.getKey(); 1541 components[i] = ent.getValue(); 1542 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1543 uids[i] = (ps != null) 1544 ? UserHandle.getUid(packageUserId, ps.appId) 1545 : -1; 1546 i++; 1547 } 1548 } 1549 size = i; 1550 mPendingBroadcasts.clear(); 1551 } 1552 // Send broadcasts 1553 for (int i = 0; i < size; i++) { 1554 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1555 } 1556 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1557 break; 1558 } 1559 case START_CLEANING_PACKAGE: { 1560 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1561 final String packageName = (String)msg.obj; 1562 final int userId = msg.arg1; 1563 final boolean andCode = msg.arg2 != 0; 1564 synchronized (mPackages) { 1565 if (userId == UserHandle.USER_ALL) { 1566 int[] users = sUserManager.getUserIds(); 1567 for (int user : users) { 1568 mSettings.addPackageToCleanLPw( 1569 new PackageCleanItem(user, packageName, andCode)); 1570 } 1571 } else { 1572 mSettings.addPackageToCleanLPw( 1573 new PackageCleanItem(userId, packageName, andCode)); 1574 } 1575 } 1576 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1577 startCleaningPackages(); 1578 } break; 1579 case POST_INSTALL: { 1580 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1581 1582 PostInstallData data = mRunningInstalls.get(msg.arg1); 1583 final boolean didRestore = (msg.arg2 != 0); 1584 mRunningInstalls.delete(msg.arg1); 1585 1586 if (data != null) { 1587 InstallArgs args = data.args; 1588 PackageInstalledInfo parentRes = data.res; 1589 1590 final boolean grantPermissions = (args.installFlags 1591 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1592 final boolean killApp = (args.installFlags 1593 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1594 final String[] grantedPermissions = args.installGrantPermissions; 1595 1596 // Handle the parent package 1597 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1598 grantedPermissions, didRestore, args.installerPackageName, 1599 args.observer); 1600 1601 // Handle the child packages 1602 final int childCount = (parentRes.addedChildPackages != null) 1603 ? parentRes.addedChildPackages.size() : 0; 1604 for (int i = 0; i < childCount; i++) { 1605 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1606 handlePackagePostInstall(childRes, grantPermissions, killApp, 1607 grantedPermissions, false, args.installerPackageName, 1608 args.observer); 1609 } 1610 1611 // Log tracing if needed 1612 if (args.traceMethod != null) { 1613 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1614 args.traceCookie); 1615 } 1616 } else { 1617 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1618 } 1619 1620 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1621 } break; 1622 case UPDATED_MEDIA_STATUS: { 1623 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1624 boolean reportStatus = msg.arg1 == 1; 1625 boolean doGc = msg.arg2 == 1; 1626 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1627 if (doGc) { 1628 // Force a gc to clear up stale containers. 1629 Runtime.getRuntime().gc(); 1630 } 1631 if (msg.obj != null) { 1632 @SuppressWarnings("unchecked") 1633 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1634 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1635 // Unload containers 1636 unloadAllContainers(args); 1637 } 1638 if (reportStatus) { 1639 try { 1640 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1641 PackageHelper.getMountService().finishMediaUpdate(); 1642 } catch (RemoteException e) { 1643 Log.e(TAG, "MountService not running?"); 1644 } 1645 } 1646 } break; 1647 case WRITE_SETTINGS: { 1648 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1649 synchronized (mPackages) { 1650 removeMessages(WRITE_SETTINGS); 1651 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1652 mSettings.writeLPr(); 1653 mDirtyUsers.clear(); 1654 } 1655 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1656 } break; 1657 case WRITE_PACKAGE_RESTRICTIONS: { 1658 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1659 synchronized (mPackages) { 1660 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1661 for (int userId : mDirtyUsers) { 1662 mSettings.writePackageRestrictionsLPr(userId); 1663 } 1664 mDirtyUsers.clear(); 1665 } 1666 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1667 } break; 1668 case WRITE_PACKAGE_LIST: { 1669 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1670 synchronized (mPackages) { 1671 removeMessages(WRITE_PACKAGE_LIST); 1672 mSettings.writePackageListLPr(msg.arg1); 1673 } 1674 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1675 } break; 1676 case CHECK_PENDING_VERIFICATION: { 1677 final int verificationId = msg.arg1; 1678 final PackageVerificationState state = mPendingVerification.get(verificationId); 1679 1680 if ((state != null) && !state.timeoutExtended()) { 1681 final InstallArgs args = state.getInstallArgs(); 1682 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1683 1684 Slog.i(TAG, "Verification timed out for " + originUri); 1685 mPendingVerification.remove(verificationId); 1686 1687 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1688 1689 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1690 Slog.i(TAG, "Continuing with installation of " + originUri); 1691 state.setVerifierResponse(Binder.getCallingUid(), 1692 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1693 broadcastPackageVerified(verificationId, originUri, 1694 PackageManager.VERIFICATION_ALLOW, 1695 state.getInstallArgs().getUser()); 1696 try { 1697 ret = args.copyApk(mContainerService, true); 1698 } catch (RemoteException e) { 1699 Slog.e(TAG, "Could not contact the ContainerService"); 1700 } 1701 } else { 1702 broadcastPackageVerified(verificationId, originUri, 1703 PackageManager.VERIFICATION_REJECT, 1704 state.getInstallArgs().getUser()); 1705 } 1706 1707 Trace.asyncTraceEnd( 1708 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1709 1710 processPendingInstall(args, ret); 1711 mHandler.sendEmptyMessage(MCS_UNBIND); 1712 } 1713 break; 1714 } 1715 case PACKAGE_VERIFIED: { 1716 final int verificationId = msg.arg1; 1717 1718 final PackageVerificationState state = mPendingVerification.get(verificationId); 1719 if (state == null) { 1720 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1721 break; 1722 } 1723 1724 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1725 1726 state.setVerifierResponse(response.callerUid, response.code); 1727 1728 if (state.isVerificationComplete()) { 1729 mPendingVerification.remove(verificationId); 1730 1731 final InstallArgs args = state.getInstallArgs(); 1732 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1733 1734 int ret; 1735 if (state.isInstallAllowed()) { 1736 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1737 broadcastPackageVerified(verificationId, originUri, 1738 response.code, state.getInstallArgs().getUser()); 1739 try { 1740 ret = args.copyApk(mContainerService, true); 1741 } catch (RemoteException e) { 1742 Slog.e(TAG, "Could not contact the ContainerService"); 1743 } 1744 } else { 1745 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1746 } 1747 1748 Trace.asyncTraceEnd( 1749 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1750 1751 processPendingInstall(args, ret); 1752 mHandler.sendEmptyMessage(MCS_UNBIND); 1753 } 1754 1755 break; 1756 } 1757 case START_INTENT_FILTER_VERIFICATIONS: { 1758 IFVerificationParams params = (IFVerificationParams) msg.obj; 1759 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1760 params.replacing, params.pkg); 1761 break; 1762 } 1763 case INTENT_FILTER_VERIFIED: { 1764 final int verificationId = msg.arg1; 1765 1766 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1767 verificationId); 1768 if (state == null) { 1769 Slog.w(TAG, "Invalid IntentFilter verification token " 1770 + verificationId + " received"); 1771 break; 1772 } 1773 1774 final int userId = state.getUserId(); 1775 1776 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1777 "Processing IntentFilter verification with token:" 1778 + verificationId + " and userId:" + userId); 1779 1780 final IntentFilterVerificationResponse response = 1781 (IntentFilterVerificationResponse) msg.obj; 1782 1783 state.setVerifierResponse(response.callerUid, response.code); 1784 1785 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1786 "IntentFilter verification with token:" + verificationId 1787 + " and userId:" + userId 1788 + " is settings verifier response with response code:" 1789 + response.code); 1790 1791 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1792 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1793 + response.getFailedDomainsString()); 1794 } 1795 1796 if (state.isVerificationComplete()) { 1797 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1798 } else { 1799 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1800 "IntentFilter verification with token:" + verificationId 1801 + " was not said to be complete"); 1802 } 1803 1804 break; 1805 } 1806 } 1807 } 1808 } 1809 1810 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1811 boolean killApp, String[] grantedPermissions, 1812 boolean launchedForRestore, String installerPackage, 1813 IPackageInstallObserver2 installObserver) { 1814 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1815 // Send the removed broadcasts 1816 if (res.removedInfo != null) { 1817 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1818 } 1819 1820 // Now that we successfully installed the package, grant runtime 1821 // permissions if requested before broadcasting the install. 1822 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1823 >= Build.VERSION_CODES.M) { 1824 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1825 } 1826 1827 final boolean update = res.removedInfo != null 1828 && res.removedInfo.removedPackage != null; 1829 1830 // If this is the first time we have child packages for a disabled privileged 1831 // app that had no children, we grant requested runtime permissions to the new 1832 // children if the parent on the system image had them already granted. 1833 if (res.pkg.parentPackage != null) { 1834 synchronized (mPackages) { 1835 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1836 } 1837 } 1838 1839 synchronized (mPackages) { 1840 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1841 } 1842 1843 final String packageName = res.pkg.applicationInfo.packageName; 1844 Bundle extras = new Bundle(1); 1845 extras.putInt(Intent.EXTRA_UID, res.uid); 1846 1847 // Determine the set of users who are adding this package for 1848 // the first time vs. those who are seeing an update. 1849 int[] firstUsers = EMPTY_INT_ARRAY; 1850 int[] updateUsers = EMPTY_INT_ARRAY; 1851 if (res.origUsers == null || res.origUsers.length == 0) { 1852 firstUsers = res.newUsers; 1853 } else { 1854 for (int newUser : res.newUsers) { 1855 boolean isNew = true; 1856 for (int origUser : res.origUsers) { 1857 if (origUser == newUser) { 1858 isNew = false; 1859 break; 1860 } 1861 } 1862 if (isNew) { 1863 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1864 } else { 1865 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1866 } 1867 } 1868 } 1869 1870 // Send installed broadcasts if the install/update is not ephemeral 1871 if (!isEphemeral(res.pkg)) { 1872 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1873 1874 // Send added for users that see the package for the first time 1875 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1876 extras, 0 /*flags*/, null /*targetPackage*/, 1877 null /*finishedReceiver*/, firstUsers); 1878 1879 // Send added for users that don't see the package for the first time 1880 if (update) { 1881 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1882 } 1883 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1884 extras, 0 /*flags*/, null /*targetPackage*/, 1885 null /*finishedReceiver*/, updateUsers); 1886 1887 // Send replaced for users that don't see the package for the first time 1888 if (update) { 1889 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1890 packageName, extras, 0 /*flags*/, 1891 null /*targetPackage*/, null /*finishedReceiver*/, 1892 updateUsers); 1893 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1894 null /*package*/, null /*extras*/, 0 /*flags*/, 1895 packageName /*targetPackage*/, 1896 null /*finishedReceiver*/, updateUsers); 1897 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1898 // First-install and we did a restore, so we're responsible for the 1899 // first-launch broadcast. 1900 if (DEBUG_BACKUP) { 1901 Slog.i(TAG, "Post-restore of " + packageName 1902 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1903 } 1904 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1905 } 1906 1907 // Send broadcast package appeared if forward locked/external for all users 1908 // treat asec-hosted packages like removable media on upgrade 1909 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1910 if (DEBUG_INSTALL) { 1911 Slog.i(TAG, "upgrading pkg " + res.pkg 1912 + " is ASEC-hosted -> AVAILABLE"); 1913 } 1914 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1915 ArrayList<String> pkgList = new ArrayList<>(1); 1916 pkgList.add(packageName); 1917 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1918 } 1919 } 1920 1921 // Work that needs to happen on first install within each user 1922 if (firstUsers != null && firstUsers.length > 0) { 1923 synchronized (mPackages) { 1924 for (int userId : firstUsers) { 1925 // If this app is a browser and it's newly-installed for some 1926 // users, clear any default-browser state in those users. The 1927 // app's nature doesn't depend on the user, so we can just check 1928 // its browser nature in any user and generalize. 1929 if (packageIsBrowser(packageName, userId)) { 1930 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1931 } 1932 1933 // We may also need to apply pending (restored) runtime 1934 // permission grants within these users. 1935 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1936 } 1937 } 1938 } 1939 1940 // Log current value of "unknown sources" setting 1941 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1942 getUnknownSourcesSettings()); 1943 1944 // Force a gc to clear up things 1945 Runtime.getRuntime().gc(); 1946 1947 // Remove the replaced package's older resources safely now 1948 // We delete after a gc for applications on sdcard. 1949 if (res.removedInfo != null && res.removedInfo.args != null) { 1950 synchronized (mInstallLock) { 1951 res.removedInfo.args.doPostDeleteLI(true); 1952 } 1953 } 1954 } 1955 1956 // If someone is watching installs - notify them 1957 if (installObserver != null) { 1958 try { 1959 Bundle extras = extrasForInstallResult(res); 1960 installObserver.onPackageInstalled(res.name, res.returnCode, 1961 res.returnMsg, extras); 1962 } catch (RemoteException e) { 1963 Slog.i(TAG, "Observer no longer exists."); 1964 } 1965 } 1966 } 1967 1968 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1969 PackageParser.Package pkg) { 1970 if (pkg.parentPackage == null) { 1971 return; 1972 } 1973 if (pkg.requestedPermissions == null) { 1974 return; 1975 } 1976 final PackageSetting disabledSysParentPs = mSettings 1977 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1978 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1979 || !disabledSysParentPs.isPrivileged() 1980 || (disabledSysParentPs.childPackageNames != null 1981 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1982 return; 1983 } 1984 final int[] allUserIds = sUserManager.getUserIds(); 1985 final int permCount = pkg.requestedPermissions.size(); 1986 for (int i = 0; i < permCount; i++) { 1987 String permission = pkg.requestedPermissions.get(i); 1988 BasePermission bp = mSettings.mPermissions.get(permission); 1989 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1990 continue; 1991 } 1992 for (int userId : allUserIds) { 1993 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1994 permission, userId)) { 1995 grantRuntimePermission(pkg.packageName, permission, userId); 1996 } 1997 } 1998 } 1999 } 2000 2001 private StorageEventListener mStorageListener = new StorageEventListener() { 2002 @Override 2003 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2004 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2005 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2006 final String volumeUuid = vol.getFsUuid(); 2007 2008 // Clean up any users or apps that were removed or recreated 2009 // while this volume was missing 2010 reconcileUsers(volumeUuid); 2011 reconcileApps(volumeUuid); 2012 2013 // Clean up any install sessions that expired or were 2014 // cancelled while this volume was missing 2015 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2016 2017 loadPrivatePackages(vol); 2018 2019 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2020 unloadPrivatePackages(vol); 2021 } 2022 } 2023 2024 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2025 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2026 updateExternalMediaStatus(true, false); 2027 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2028 updateExternalMediaStatus(false, false); 2029 } 2030 } 2031 } 2032 2033 @Override 2034 public void onVolumeForgotten(String fsUuid) { 2035 if (TextUtils.isEmpty(fsUuid)) { 2036 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2037 return; 2038 } 2039 2040 // Remove any apps installed on the forgotten volume 2041 synchronized (mPackages) { 2042 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2043 for (PackageSetting ps : packages) { 2044 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2045 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2046 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2047 } 2048 2049 mSettings.onVolumeForgotten(fsUuid); 2050 mSettings.writeLPr(); 2051 } 2052 } 2053 }; 2054 2055 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2056 String[] grantedPermissions) { 2057 for (int userId : userIds) { 2058 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2059 } 2060 2061 // We could have touched GID membership, so flush out packages.list 2062 synchronized (mPackages) { 2063 mSettings.writePackageListLPr(); 2064 } 2065 } 2066 2067 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2068 String[] grantedPermissions) { 2069 SettingBase sb = (SettingBase) pkg.mExtras; 2070 if (sb == null) { 2071 return; 2072 } 2073 2074 PermissionsState permissionsState = sb.getPermissionsState(); 2075 2076 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2077 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2078 2079 for (String permission : pkg.requestedPermissions) { 2080 final BasePermission bp; 2081 synchronized (mPackages) { 2082 bp = mSettings.mPermissions.get(permission); 2083 } 2084 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2085 && (grantedPermissions == null 2086 || ArrayUtils.contains(grantedPermissions, permission))) { 2087 final int flags = permissionsState.getPermissionFlags(permission, userId); 2088 // Installer cannot change immutable permissions. 2089 if ((flags & immutableFlags) == 0) { 2090 grantRuntimePermission(pkg.packageName, permission, userId); 2091 } 2092 } 2093 } 2094 } 2095 2096 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2097 Bundle extras = null; 2098 switch (res.returnCode) { 2099 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2100 extras = new Bundle(); 2101 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2102 res.origPermission); 2103 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2104 res.origPackage); 2105 break; 2106 } 2107 case PackageManager.INSTALL_SUCCEEDED: { 2108 extras = new Bundle(); 2109 extras.putBoolean(Intent.EXTRA_REPLACING, 2110 res.removedInfo != null && res.removedInfo.removedPackage != null); 2111 break; 2112 } 2113 } 2114 return extras; 2115 } 2116 2117 void scheduleWriteSettingsLocked() { 2118 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2119 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2120 } 2121 } 2122 2123 void scheduleWritePackageListLocked(int userId) { 2124 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2125 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2126 msg.arg1 = userId; 2127 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2128 } 2129 } 2130 2131 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2132 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2133 scheduleWritePackageRestrictionsLocked(userId); 2134 } 2135 2136 void scheduleWritePackageRestrictionsLocked(int userId) { 2137 final int[] userIds = (userId == UserHandle.USER_ALL) 2138 ? sUserManager.getUserIds() : new int[]{userId}; 2139 for (int nextUserId : userIds) { 2140 if (!sUserManager.exists(nextUserId)) return; 2141 mDirtyUsers.add(nextUserId); 2142 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2143 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2144 } 2145 } 2146 } 2147 2148 public static PackageManagerService main(Context context, Installer installer, 2149 boolean factoryTest, boolean onlyCore) { 2150 // Self-check for initial settings. 2151 PackageManagerServiceCompilerMapping.checkProperties(); 2152 2153 PackageManagerService m = new PackageManagerService(context, installer, 2154 factoryTest, onlyCore); 2155 m.enableSystemUserPackages(); 2156 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2157 // disabled after already being started. 2158 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2159 UserHandle.USER_SYSTEM); 2160 ServiceManager.addService("package", m); 2161 return m; 2162 } 2163 2164 private void enableSystemUserPackages() { 2165 if (!UserManager.isSplitSystemUser()) { 2166 return; 2167 } 2168 // For system user, enable apps based on the following conditions: 2169 // - app is whitelisted or belong to one of these groups: 2170 // -- system app which has no launcher icons 2171 // -- system app which has INTERACT_ACROSS_USERS permission 2172 // -- system IME app 2173 // - app is not in the blacklist 2174 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2175 Set<String> enableApps = new ArraySet<>(); 2176 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2177 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2178 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2179 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2180 enableApps.addAll(wlApps); 2181 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2182 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2183 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2184 enableApps.removeAll(blApps); 2185 Log.i(TAG, "Applications installed for system user: " + enableApps); 2186 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2187 UserHandle.SYSTEM); 2188 final int allAppsSize = allAps.size(); 2189 synchronized (mPackages) { 2190 for (int i = 0; i < allAppsSize; i++) { 2191 String pName = allAps.get(i); 2192 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2193 // Should not happen, but we shouldn't be failing if it does 2194 if (pkgSetting == null) { 2195 continue; 2196 } 2197 boolean install = enableApps.contains(pName); 2198 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2199 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2200 + " for system user"); 2201 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2202 } 2203 } 2204 } 2205 } 2206 2207 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2208 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2209 Context.DISPLAY_SERVICE); 2210 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2211 } 2212 2213 public PackageManagerService(Context context, Installer installer, 2214 boolean factoryTest, boolean onlyCore) { 2215 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2216 SystemClock.uptimeMillis()); 2217 2218 if (mSdkVersion <= 0) { 2219 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2220 } 2221 2222 mContext = context; 2223 mFactoryTest = factoryTest; 2224 mOnlyCore = onlyCore; 2225 mMetrics = new DisplayMetrics(); 2226 mSettings = new Settings(mPackages); 2227 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2228 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2229 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2230 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2231 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2232 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2233 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2234 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2235 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2236 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2237 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2238 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2239 2240 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2241 if (separateProcesses != null && separateProcesses.length() > 0) { 2242 if ("*".equals(separateProcesses)) { 2243 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2244 mSeparateProcesses = null; 2245 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2246 } else { 2247 mDefParseFlags = 0; 2248 mSeparateProcesses = separateProcesses.split(","); 2249 Slog.w(TAG, "Running with debug.separate_processes: " 2250 + separateProcesses); 2251 } 2252 } else { 2253 mDefParseFlags = 0; 2254 mSeparateProcesses = null; 2255 } 2256 2257 mInstaller = installer; 2258 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2259 "*dexopt*"); 2260 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2261 2262 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2263 FgThread.get().getLooper()); 2264 2265 getDefaultDisplayMetrics(context, mMetrics); 2266 2267 SystemConfig systemConfig = SystemConfig.getInstance(); 2268 mGlobalGids = systemConfig.getGlobalGids(); 2269 mSystemPermissions = systemConfig.getSystemPermissions(); 2270 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2271 2272 synchronized (mInstallLock) { 2273 // writer 2274 synchronized (mPackages) { 2275 mHandlerThread = new ServiceThread(TAG, 2276 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2277 mHandlerThread.start(); 2278 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2279 mProcessLoggingHandler = new ProcessLoggingHandler(); 2280 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2281 2282 File dataDir = Environment.getDataDirectory(); 2283 mAppInstallDir = new File(dataDir, "app"); 2284 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2285 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2286 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2287 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2288 2289 sUserManager = new UserManagerService(context, this, mPackages); 2290 2291 // Propagate permission configuration in to package manager. 2292 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2293 = systemConfig.getPermissions(); 2294 for (int i=0; i<permConfig.size(); i++) { 2295 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2296 BasePermission bp = mSettings.mPermissions.get(perm.name); 2297 if (bp == null) { 2298 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2299 mSettings.mPermissions.put(perm.name, bp); 2300 } 2301 if (perm.gids != null) { 2302 bp.setGids(perm.gids, perm.perUser); 2303 } 2304 } 2305 2306 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2307 for (int i=0; i<libConfig.size(); i++) { 2308 mSharedLibraries.put(libConfig.keyAt(i), 2309 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2310 } 2311 2312 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2313 2314 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2315 2316 String customResolverActivity = Resources.getSystem().getString( 2317 R.string.config_customResolverActivity); 2318 if (TextUtils.isEmpty(customResolverActivity)) { 2319 customResolverActivity = null; 2320 } else { 2321 mCustomResolverComponentName = ComponentName.unflattenFromString( 2322 customResolverActivity); 2323 } 2324 2325 long startTime = SystemClock.uptimeMillis(); 2326 2327 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2328 startTime); 2329 2330 // Set flag to monitor and not change apk file paths when 2331 // scanning install directories. 2332 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2333 2334 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2335 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2336 2337 if (bootClassPath == null) { 2338 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2339 } 2340 2341 if (systemServerClassPath == null) { 2342 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2343 } 2344 2345 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2346 final String[] dexCodeInstructionSets = 2347 getDexCodeInstructionSets( 2348 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2349 2350 /** 2351 * Ensure all external libraries have had dexopt run on them. 2352 */ 2353 if (mSharedLibraries.size() > 0) { 2354 // NOTE: For now, we're compiling these system "shared libraries" 2355 // (and framework jars) into all available architectures. It's possible 2356 // to compile them only when we come across an app that uses them (there's 2357 // already logic for that in scanPackageLI) but that adds some complexity. 2358 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2359 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2360 final String lib = libEntry.path; 2361 if (lib == null) { 2362 continue; 2363 } 2364 2365 try { 2366 // Shared libraries do not have profiles so we perform a full 2367 // AOT compilation (if needed). 2368 int dexoptNeeded = DexFile.getDexOptNeeded( 2369 lib, dexCodeInstructionSet, 2370 getCompilerFilterForReason(REASON_SHARED_APK), 2371 false /* newProfile */); 2372 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2373 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2374 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2375 getCompilerFilterForReason(REASON_SHARED_APK), 2376 StorageManager.UUID_PRIVATE_INTERNAL, 2377 SKIP_SHARED_LIBRARY_CHECK); 2378 } 2379 } catch (FileNotFoundException e) { 2380 Slog.w(TAG, "Library not found: " + lib); 2381 } catch (IOException | InstallerException e) { 2382 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2383 + e.getMessage()); 2384 } 2385 } 2386 } 2387 } 2388 2389 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2390 2391 final VersionInfo ver = mSettings.getInternalVersion(); 2392 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2393 2394 // when upgrading from pre-M, promote system app permissions from install to runtime 2395 mPromoteSystemApps = 2396 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2397 2398 // When upgrading from pre-N, we need to handle package extraction like first boot, 2399 // as there is no profiling data available. 2400 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2401 2402 // save off the names of pre-existing system packages prior to scanning; we don't 2403 // want to automatically grant runtime permissions for new system apps 2404 if (mPromoteSystemApps) { 2405 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2406 while (pkgSettingIter.hasNext()) { 2407 PackageSetting ps = pkgSettingIter.next(); 2408 if (isSystemApp(ps)) { 2409 mExistingSystemPackages.add(ps.name); 2410 } 2411 } 2412 } 2413 2414 // Collect vendor overlay packages. 2415 // (Do this before scanning any apps.) 2416 // For security and version matching reason, only consider 2417 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2418 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2419 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2420 | PackageParser.PARSE_IS_SYSTEM 2421 | PackageParser.PARSE_IS_SYSTEM_DIR 2422 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2423 2424 // Find base frameworks (resource packages without code). 2425 scanDirTracedLI(frameworkDir, mDefParseFlags 2426 | PackageParser.PARSE_IS_SYSTEM 2427 | PackageParser.PARSE_IS_SYSTEM_DIR 2428 | PackageParser.PARSE_IS_PRIVILEGED, 2429 scanFlags | SCAN_NO_DEX, 0); 2430 2431 // Collected privileged system packages. 2432 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2433 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2434 | PackageParser.PARSE_IS_SYSTEM 2435 | PackageParser.PARSE_IS_SYSTEM_DIR 2436 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2437 2438 // Collect ordinary system packages. 2439 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2440 scanDirTracedLI(systemAppDir, mDefParseFlags 2441 | PackageParser.PARSE_IS_SYSTEM 2442 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2443 2444 // Collect all vendor packages. 2445 File vendorAppDir = new File("/vendor/app"); 2446 try { 2447 vendorAppDir = vendorAppDir.getCanonicalFile(); 2448 } catch (IOException e) { 2449 // failed to look up canonical path, continue with original one 2450 } 2451 scanDirTracedLI(vendorAppDir, mDefParseFlags 2452 | PackageParser.PARSE_IS_SYSTEM 2453 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2454 2455 // Collect all OEM packages. 2456 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2457 scanDirTracedLI(oemAppDir, mDefParseFlags 2458 | PackageParser.PARSE_IS_SYSTEM 2459 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2460 2461 // Prune any system packages that no longer exist. 2462 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2463 if (!mOnlyCore) { 2464 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2465 while (psit.hasNext()) { 2466 PackageSetting ps = psit.next(); 2467 2468 /* 2469 * If this is not a system app, it can't be a 2470 * disable system app. 2471 */ 2472 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2473 continue; 2474 } 2475 2476 /* 2477 * If the package is scanned, it's not erased. 2478 */ 2479 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2480 if (scannedPkg != null) { 2481 /* 2482 * If the system app is both scanned and in the 2483 * disabled packages list, then it must have been 2484 * added via OTA. Remove it from the currently 2485 * scanned package so the previously user-installed 2486 * application can be scanned. 2487 */ 2488 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2489 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2490 + ps.name + "; removing system app. Last known codePath=" 2491 + ps.codePathString + ", installStatus=" + ps.installStatus 2492 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2493 + scannedPkg.mVersionCode); 2494 removePackageLI(scannedPkg, true); 2495 mExpectingBetter.put(ps.name, ps.codePath); 2496 } 2497 2498 continue; 2499 } 2500 2501 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2502 psit.remove(); 2503 logCriticalInfo(Log.WARN, "System package " + ps.name 2504 + " no longer exists; it's data will be wiped"); 2505 // Actual deletion of code and data will be handled by later 2506 // reconciliation step 2507 } else { 2508 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2509 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2510 possiblyDeletedUpdatedSystemApps.add(ps.name); 2511 } 2512 } 2513 } 2514 } 2515 2516 //look for any incomplete package installations 2517 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2518 for (int i = 0; i < deletePkgsList.size(); i++) { 2519 // Actual deletion of code and data will be handled by later 2520 // reconciliation step 2521 final String packageName = deletePkgsList.get(i).name; 2522 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2523 synchronized (mPackages) { 2524 mSettings.removePackageLPw(packageName); 2525 } 2526 } 2527 2528 //delete tmp files 2529 deleteTempPackageFiles(); 2530 2531 // Remove any shared userIDs that have no associated packages 2532 mSettings.pruneSharedUsersLPw(); 2533 2534 if (!mOnlyCore) { 2535 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2536 SystemClock.uptimeMillis()); 2537 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2538 2539 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2540 | PackageParser.PARSE_FORWARD_LOCK, 2541 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2542 2543 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2544 | PackageParser.PARSE_IS_EPHEMERAL, 2545 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2546 2547 /** 2548 * Remove disable package settings for any updated system 2549 * apps that were removed via an OTA. If they're not a 2550 * previously-updated app, remove them completely. 2551 * Otherwise, just revoke their system-level permissions. 2552 */ 2553 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2554 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2555 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2556 2557 String msg; 2558 if (deletedPkg == null) { 2559 msg = "Updated system package " + deletedAppName 2560 + " no longer exists; it's data will be wiped"; 2561 // Actual deletion of code and data will be handled by later 2562 // reconciliation step 2563 } else { 2564 msg = "Updated system app + " + deletedAppName 2565 + " no longer present; removing system privileges for " 2566 + deletedAppName; 2567 2568 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2569 2570 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2571 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2572 } 2573 logCriticalInfo(Log.WARN, msg); 2574 } 2575 2576 /** 2577 * Make sure all system apps that we expected to appear on 2578 * the userdata partition actually showed up. If they never 2579 * appeared, crawl back and revive the system version. 2580 */ 2581 for (int i = 0; i < mExpectingBetter.size(); i++) { 2582 final String packageName = mExpectingBetter.keyAt(i); 2583 if (!mPackages.containsKey(packageName)) { 2584 final File scanFile = mExpectingBetter.valueAt(i); 2585 2586 logCriticalInfo(Log.WARN, "Expected better " + packageName 2587 + " but never showed up; reverting to system"); 2588 2589 int reparseFlags = mDefParseFlags; 2590 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2591 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2592 | PackageParser.PARSE_IS_SYSTEM_DIR 2593 | PackageParser.PARSE_IS_PRIVILEGED; 2594 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2595 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2596 | PackageParser.PARSE_IS_SYSTEM_DIR; 2597 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2598 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2599 | PackageParser.PARSE_IS_SYSTEM_DIR; 2600 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2601 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2602 | PackageParser.PARSE_IS_SYSTEM_DIR; 2603 } else { 2604 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2605 continue; 2606 } 2607 2608 mSettings.enableSystemPackageLPw(packageName); 2609 2610 try { 2611 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2612 } catch (PackageManagerException e) { 2613 Slog.e(TAG, "Failed to parse original system package: " 2614 + e.getMessage()); 2615 } 2616 } 2617 } 2618 } 2619 mExpectingBetter.clear(); 2620 2621 // Resolve protected action filters. Only the setup wizard is allowed to 2622 // have a high priority filter for these actions. 2623 mSetupWizardPackage = getSetupWizardPackageName(); 2624 if (mProtectedFilters.size() > 0) { 2625 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2626 Slog.i(TAG, "No setup wizard;" 2627 + " All protected intents capped to priority 0"); 2628 } 2629 for (ActivityIntentInfo filter : mProtectedFilters) { 2630 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2631 if (DEBUG_FILTERS) { 2632 Slog.i(TAG, "Found setup wizard;" 2633 + " allow priority " + filter.getPriority() + ";" 2634 + " package: " + filter.activity.info.packageName 2635 + " activity: " + filter.activity.className 2636 + " priority: " + filter.getPriority()); 2637 } 2638 // skip setup wizard; allow it to keep the high priority filter 2639 continue; 2640 } 2641 Slog.w(TAG, "Protected action; cap priority to 0;" 2642 + " package: " + filter.activity.info.packageName 2643 + " activity: " + filter.activity.className 2644 + " origPrio: " + filter.getPriority()); 2645 filter.setPriority(0); 2646 } 2647 } 2648 mDeferProtectedFilters = false; 2649 mProtectedFilters.clear(); 2650 2651 // Now that we know all of the shared libraries, update all clients to have 2652 // the correct library paths. 2653 updateAllSharedLibrariesLPw(); 2654 2655 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2656 // NOTE: We ignore potential failures here during a system scan (like 2657 // the rest of the commands above) because there's precious little we 2658 // can do about it. A settings error is reported, though. 2659 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2660 false /* boot complete */); 2661 } 2662 2663 // Now that we know all the packages we are keeping, 2664 // read and update their last usage times. 2665 mPackageUsage.readLP(); 2666 2667 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2668 SystemClock.uptimeMillis()); 2669 Slog.i(TAG, "Time to scan packages: " 2670 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2671 + " seconds"); 2672 2673 // If the platform SDK has changed since the last time we booted, 2674 // we need to re-grant app permission to catch any new ones that 2675 // appear. This is really a hack, and means that apps can in some 2676 // cases get permissions that the user didn't initially explicitly 2677 // allow... it would be nice to have some better way to handle 2678 // this situation. 2679 int updateFlags = UPDATE_PERMISSIONS_ALL; 2680 if (ver.sdkVersion != mSdkVersion) { 2681 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2682 + mSdkVersion + "; regranting permissions for internal storage"); 2683 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2684 } 2685 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2686 ver.sdkVersion = mSdkVersion; 2687 2688 // If this is the first boot or an update from pre-M, and it is a normal 2689 // boot, then we need to initialize the default preferred apps across 2690 // all defined users. 2691 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2692 for (UserInfo user : sUserManager.getUsers(true)) { 2693 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2694 applyFactoryDefaultBrowserLPw(user.id); 2695 primeDomainVerificationsLPw(user.id); 2696 } 2697 } 2698 2699 // Prepare storage for system user really early during boot, 2700 // since core system apps like SettingsProvider and SystemUI 2701 // can't wait for user to start 2702 final int storageFlags; 2703 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2704 storageFlags = StorageManager.FLAG_STORAGE_DE; 2705 } else { 2706 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2707 } 2708 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2709 storageFlags); 2710 2711 // If this is first boot after an OTA, and a normal boot, then 2712 // we need to clear code cache directories. 2713 // Note that we do *not* clear the application profiles. These remain valid 2714 // across OTAs and are used to drive profile verification (post OTA) and 2715 // profile compilation (without waiting to collect a fresh set of profiles). 2716 if (mIsUpgrade && !onlyCore) { 2717 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2718 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2719 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2720 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2721 // No apps are running this early, so no need to freeze 2722 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2723 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2724 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2725 } 2726 clearAppProfilesLIF(ps.pkg, UserHandle.USER_ALL); 2727 } 2728 ver.fingerprint = Build.FINGERPRINT; 2729 } 2730 2731 checkDefaultBrowser(); 2732 2733 // clear only after permissions and other defaults have been updated 2734 mExistingSystemPackages.clear(); 2735 mPromoteSystemApps = false; 2736 2737 // All the changes are done during package scanning. 2738 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2739 2740 // can downgrade to reader 2741 mSettings.writeLPr(); 2742 2743 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2744 SystemClock.uptimeMillis()); 2745 2746 if (!mOnlyCore) { 2747 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2748 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2749 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2750 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2751 mIntentFilterVerifierComponent); 2752 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2753 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2754 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2755 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2756 } else { 2757 mRequiredVerifierPackage = null; 2758 mRequiredInstallerPackage = null; 2759 mIntentFilterVerifierComponent = null; 2760 mIntentFilterVerifier = null; 2761 mServicesSystemSharedLibraryPackageName = null; 2762 mSharedSystemSharedLibraryPackageName = null; 2763 } 2764 2765 mInstallerService = new PackageInstallerService(context, this); 2766 2767 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2768 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2769 // both the installer and resolver must be present to enable ephemeral 2770 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2771 if (DEBUG_EPHEMERAL) { 2772 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2773 + " installer:" + ephemeralInstallerComponent); 2774 } 2775 mEphemeralResolverComponent = ephemeralResolverComponent; 2776 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2777 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2778 mEphemeralResolverConnection = 2779 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2780 } else { 2781 if (DEBUG_EPHEMERAL) { 2782 final String missingComponent = 2783 (ephemeralResolverComponent == null) 2784 ? (ephemeralInstallerComponent == null) 2785 ? "resolver and installer" 2786 : "resolver" 2787 : "installer"; 2788 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2789 } 2790 mEphemeralResolverComponent = null; 2791 mEphemeralInstallerComponent = null; 2792 mEphemeralResolverConnection = null; 2793 } 2794 2795 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2796 } // synchronized (mPackages) 2797 } // synchronized (mInstallLock) 2798 2799 // Now after opening every single application zip, make sure they 2800 // are all flushed. Not really needed, but keeps things nice and 2801 // tidy. 2802 Runtime.getRuntime().gc(); 2803 2804 // The initial scanning above does many calls into installd while 2805 // holding the mPackages lock, but we're mostly interested in yelling 2806 // once we have a booted system. 2807 mInstaller.setWarnIfHeld(mPackages); 2808 2809 // Expose private service for system components to use. 2810 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2811 } 2812 2813 @Override 2814 public boolean isFirstBoot() { 2815 return !mRestoredSettings; 2816 } 2817 2818 @Override 2819 public boolean isOnlyCoreApps() { 2820 return mOnlyCore; 2821 } 2822 2823 @Override 2824 public boolean isUpgrade() { 2825 return mIsUpgrade; 2826 } 2827 2828 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2829 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2830 2831 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2832 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2833 UserHandle.USER_SYSTEM); 2834 if (matches.size() == 1) { 2835 return matches.get(0).getComponentInfo().packageName; 2836 } else { 2837 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2838 return null; 2839 } 2840 } 2841 2842 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2843 synchronized (mPackages) { 2844 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2845 if (libraryEntry == null) { 2846 throw new IllegalStateException("Missing required shared library:" + libraryName); 2847 } 2848 return libraryEntry.apk; 2849 } 2850 } 2851 2852 private @NonNull String getRequiredInstallerLPr() { 2853 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2854 intent.addCategory(Intent.CATEGORY_DEFAULT); 2855 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2856 2857 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2858 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2859 UserHandle.USER_SYSTEM); 2860 if (matches.size() == 1) { 2861 ResolveInfo resolveInfo = matches.get(0); 2862 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2863 throw new RuntimeException("The installer must be a privileged app"); 2864 } 2865 return matches.get(0).getComponentInfo().packageName; 2866 } else { 2867 throw new RuntimeException("There must be exactly one installer; found " + matches); 2868 } 2869 } 2870 2871 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2872 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2873 2874 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2875 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2876 UserHandle.USER_SYSTEM); 2877 ResolveInfo best = null; 2878 final int N = matches.size(); 2879 for (int i = 0; i < N; i++) { 2880 final ResolveInfo cur = matches.get(i); 2881 final String packageName = cur.getComponentInfo().packageName; 2882 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2883 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2884 continue; 2885 } 2886 2887 if (best == null || cur.priority > best.priority) { 2888 best = cur; 2889 } 2890 } 2891 2892 if (best != null) { 2893 return best.getComponentInfo().getComponentName(); 2894 } else { 2895 throw new RuntimeException("There must be at least one intent filter verifier"); 2896 } 2897 } 2898 2899 private @Nullable ComponentName getEphemeralResolverLPr() { 2900 final String[] packageArray = 2901 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2902 if (packageArray.length == 0) { 2903 if (DEBUG_EPHEMERAL) { 2904 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2905 } 2906 return null; 2907 } 2908 2909 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2910 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2911 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2912 UserHandle.USER_SYSTEM); 2913 2914 final int N = resolvers.size(); 2915 if (N == 0) { 2916 if (DEBUG_EPHEMERAL) { 2917 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2918 } 2919 return null; 2920 } 2921 2922 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2923 for (int i = 0; i < N; i++) { 2924 final ResolveInfo info = resolvers.get(i); 2925 2926 if (info.serviceInfo == null) { 2927 continue; 2928 } 2929 2930 final String packageName = info.serviceInfo.packageName; 2931 if (!possiblePackages.contains(packageName)) { 2932 if (DEBUG_EPHEMERAL) { 2933 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2934 + " pkg: " + packageName + ", info:" + info); 2935 } 2936 continue; 2937 } 2938 2939 if (DEBUG_EPHEMERAL) { 2940 Slog.v(TAG, "Ephemeral resolver found;" 2941 + " pkg: " + packageName + ", info:" + info); 2942 } 2943 return new ComponentName(packageName, info.serviceInfo.name); 2944 } 2945 if (DEBUG_EPHEMERAL) { 2946 Slog.v(TAG, "Ephemeral resolver NOT found"); 2947 } 2948 return null; 2949 } 2950 2951 private @Nullable ComponentName getEphemeralInstallerLPr() { 2952 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2953 intent.addCategory(Intent.CATEGORY_DEFAULT); 2954 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2955 2956 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2957 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2958 UserHandle.USER_SYSTEM); 2959 if (matches.size() == 0) { 2960 return null; 2961 } else if (matches.size() == 1) { 2962 return matches.get(0).getComponentInfo().getComponentName(); 2963 } else { 2964 throw new RuntimeException( 2965 "There must be at most one ephemeral installer; found " + matches); 2966 } 2967 } 2968 2969 private void primeDomainVerificationsLPw(int userId) { 2970 if (DEBUG_DOMAIN_VERIFICATION) { 2971 Slog.d(TAG, "Priming domain verifications in user " + userId); 2972 } 2973 2974 SystemConfig systemConfig = SystemConfig.getInstance(); 2975 ArraySet<String> packages = systemConfig.getLinkedApps(); 2976 ArraySet<String> domains = new ArraySet<String>(); 2977 2978 for (String packageName : packages) { 2979 PackageParser.Package pkg = mPackages.get(packageName); 2980 if (pkg != null) { 2981 if (!pkg.isSystemApp()) { 2982 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2983 continue; 2984 } 2985 2986 domains.clear(); 2987 for (PackageParser.Activity a : pkg.activities) { 2988 for (ActivityIntentInfo filter : a.intents) { 2989 if (hasValidDomains(filter)) { 2990 domains.addAll(filter.getHostsList()); 2991 } 2992 } 2993 } 2994 2995 if (domains.size() > 0) { 2996 if (DEBUG_DOMAIN_VERIFICATION) { 2997 Slog.v(TAG, " + " + packageName); 2998 } 2999 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3000 // state w.r.t. the formal app-linkage "no verification attempted" state; 3001 // and then 'always' in the per-user state actually used for intent resolution. 3002 final IntentFilterVerificationInfo ivi; 3003 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 3004 new ArrayList<String>(domains)); 3005 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3006 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3007 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3008 } else { 3009 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3010 + "' does not handle web links"); 3011 } 3012 } else { 3013 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3014 } 3015 } 3016 3017 scheduleWritePackageRestrictionsLocked(userId); 3018 scheduleWriteSettingsLocked(); 3019 } 3020 3021 private void applyFactoryDefaultBrowserLPw(int userId) { 3022 // The default browser app's package name is stored in a string resource, 3023 // with a product-specific overlay used for vendor customization. 3024 String browserPkg = mContext.getResources().getString( 3025 com.android.internal.R.string.default_browser); 3026 if (!TextUtils.isEmpty(browserPkg)) { 3027 // non-empty string => required to be a known package 3028 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3029 if (ps == null) { 3030 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3031 browserPkg = null; 3032 } else { 3033 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3034 } 3035 } 3036 3037 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3038 // default. If there's more than one, just leave everything alone. 3039 if (browserPkg == null) { 3040 calculateDefaultBrowserLPw(userId); 3041 } 3042 } 3043 3044 private void calculateDefaultBrowserLPw(int userId) { 3045 List<String> allBrowsers = resolveAllBrowserApps(userId); 3046 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3047 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3048 } 3049 3050 private List<String> resolveAllBrowserApps(int userId) { 3051 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3052 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3053 PackageManager.MATCH_ALL, userId); 3054 3055 final int count = list.size(); 3056 List<String> result = new ArrayList<String>(count); 3057 for (int i=0; i<count; i++) { 3058 ResolveInfo info = list.get(i); 3059 if (info.activityInfo == null 3060 || !info.handleAllWebDataURI 3061 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3062 || result.contains(info.activityInfo.packageName)) { 3063 continue; 3064 } 3065 result.add(info.activityInfo.packageName); 3066 } 3067 3068 return result; 3069 } 3070 3071 private boolean packageIsBrowser(String packageName, int userId) { 3072 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3073 PackageManager.MATCH_ALL, userId); 3074 final int N = list.size(); 3075 for (int i = 0; i < N; i++) { 3076 ResolveInfo info = list.get(i); 3077 if (packageName.equals(info.activityInfo.packageName)) { 3078 return true; 3079 } 3080 } 3081 return false; 3082 } 3083 3084 private void checkDefaultBrowser() { 3085 final int myUserId = UserHandle.myUserId(); 3086 final String packageName = getDefaultBrowserPackageName(myUserId); 3087 if (packageName != null) { 3088 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3089 if (info == null) { 3090 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3091 synchronized (mPackages) { 3092 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3093 } 3094 } 3095 } 3096 } 3097 3098 @Override 3099 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3100 throws RemoteException { 3101 try { 3102 return super.onTransact(code, data, reply, flags); 3103 } catch (RuntimeException e) { 3104 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3105 Slog.wtf(TAG, "Package Manager Crash", e); 3106 } 3107 throw e; 3108 } 3109 } 3110 3111 static int[] appendInts(int[] cur, int[] add) { 3112 if (add == null) return cur; 3113 if (cur == null) return add; 3114 final int N = add.length; 3115 for (int i=0; i<N; i++) { 3116 cur = appendInt(cur, add[i]); 3117 } 3118 return cur; 3119 } 3120 3121 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3122 if (!sUserManager.exists(userId)) return null; 3123 if (ps == null) { 3124 return null; 3125 } 3126 final PackageParser.Package p = ps.pkg; 3127 if (p == null) { 3128 return null; 3129 } 3130 3131 final PermissionsState permissionsState = ps.getPermissionsState(); 3132 3133 final int[] gids = permissionsState.computeGids(userId); 3134 final Set<String> permissions = permissionsState.getPermissions(userId); 3135 final PackageUserState state = ps.readUserState(userId); 3136 3137 return PackageParser.generatePackageInfo(p, gids, flags, 3138 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3139 } 3140 3141 @Override 3142 public void checkPackageStartable(String packageName, int userId) { 3143 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3144 3145 synchronized (mPackages) { 3146 final PackageSetting ps = mSettings.mPackages.get(packageName); 3147 if (ps == null) { 3148 throw new SecurityException("Package " + packageName + " was not found!"); 3149 } 3150 3151 if (!ps.getInstalled(userId)) { 3152 throw new SecurityException( 3153 "Package " + packageName + " was not installed for user " + userId + "!"); 3154 } 3155 3156 if (mSafeMode && !ps.isSystem()) { 3157 throw new SecurityException("Package " + packageName + " not a system app!"); 3158 } 3159 3160 if (mFrozenPackages.contains(packageName)) { 3161 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3162 } 3163 3164 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3165 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3166 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3167 } 3168 } 3169 } 3170 3171 @Override 3172 public boolean isPackageAvailable(String packageName, int userId) { 3173 if (!sUserManager.exists(userId)) return false; 3174 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3175 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3176 synchronized (mPackages) { 3177 PackageParser.Package p = mPackages.get(packageName); 3178 if (p != null) { 3179 final PackageSetting ps = (PackageSetting) p.mExtras; 3180 if (ps != null) { 3181 final PackageUserState state = ps.readUserState(userId); 3182 if (state != null) { 3183 return PackageParser.isAvailable(state); 3184 } 3185 } 3186 } 3187 } 3188 return false; 3189 } 3190 3191 @Override 3192 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3193 if (!sUserManager.exists(userId)) return null; 3194 flags = updateFlagsForPackage(flags, userId, packageName); 3195 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3196 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3197 // reader 3198 synchronized (mPackages) { 3199 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3200 PackageParser.Package p = null; 3201 if (matchFactoryOnly) { 3202 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3203 if (ps != null) { 3204 return generatePackageInfo(ps, flags, userId); 3205 } 3206 } 3207 if (p == null) { 3208 p = mPackages.get(packageName); 3209 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3210 return null; 3211 } 3212 } 3213 if (DEBUG_PACKAGE_INFO) 3214 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3215 if (p != null) { 3216 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3217 } 3218 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3219 final PackageSetting ps = mSettings.mPackages.get(packageName); 3220 return generatePackageInfo(ps, flags, userId); 3221 } 3222 } 3223 return null; 3224 } 3225 3226 @Override 3227 public String[] currentToCanonicalPackageNames(String[] names) { 3228 String[] out = new String[names.length]; 3229 // reader 3230 synchronized (mPackages) { 3231 for (int i=names.length-1; i>=0; i--) { 3232 PackageSetting ps = mSettings.mPackages.get(names[i]); 3233 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3234 } 3235 } 3236 return out; 3237 } 3238 3239 @Override 3240 public String[] canonicalToCurrentPackageNames(String[] names) { 3241 String[] out = new String[names.length]; 3242 // reader 3243 synchronized (mPackages) { 3244 for (int i=names.length-1; i>=0; i--) { 3245 String cur = mSettings.mRenamedPackages.get(names[i]); 3246 out[i] = cur != null ? cur : names[i]; 3247 } 3248 } 3249 return out; 3250 } 3251 3252 @Override 3253 public int getPackageUid(String packageName, int flags, int userId) { 3254 if (!sUserManager.exists(userId)) return -1; 3255 flags = updateFlagsForPackage(flags, userId, packageName); 3256 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3257 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3258 3259 // reader 3260 synchronized (mPackages) { 3261 final PackageParser.Package p = mPackages.get(packageName); 3262 if (p != null && p.isMatch(flags)) { 3263 return UserHandle.getUid(userId, p.applicationInfo.uid); 3264 } 3265 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3266 final PackageSetting ps = mSettings.mPackages.get(packageName); 3267 if (ps != null && ps.isMatch(flags)) { 3268 return UserHandle.getUid(userId, ps.appId); 3269 } 3270 } 3271 } 3272 3273 return -1; 3274 } 3275 3276 @Override 3277 public int[] getPackageGids(String packageName, int flags, int userId) { 3278 if (!sUserManager.exists(userId)) return null; 3279 flags = updateFlagsForPackage(flags, userId, packageName); 3280 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3281 false /* requireFullPermission */, false /* checkShell */, 3282 "getPackageGids"); 3283 3284 // reader 3285 synchronized (mPackages) { 3286 final PackageParser.Package p = mPackages.get(packageName); 3287 if (p != null && p.isMatch(flags)) { 3288 PackageSetting ps = (PackageSetting) p.mExtras; 3289 return ps.getPermissionsState().computeGids(userId); 3290 } 3291 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3292 final PackageSetting ps = mSettings.mPackages.get(packageName); 3293 if (ps != null && ps.isMatch(flags)) { 3294 return ps.getPermissionsState().computeGids(userId); 3295 } 3296 } 3297 } 3298 3299 return null; 3300 } 3301 3302 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3303 if (bp.perm != null) { 3304 return PackageParser.generatePermissionInfo(bp.perm, flags); 3305 } 3306 PermissionInfo pi = new PermissionInfo(); 3307 pi.name = bp.name; 3308 pi.packageName = bp.sourcePackage; 3309 pi.nonLocalizedLabel = bp.name; 3310 pi.protectionLevel = bp.protectionLevel; 3311 return pi; 3312 } 3313 3314 @Override 3315 public PermissionInfo getPermissionInfo(String name, int flags) { 3316 // reader 3317 synchronized (mPackages) { 3318 final BasePermission p = mSettings.mPermissions.get(name); 3319 if (p != null) { 3320 return generatePermissionInfo(p, flags); 3321 } 3322 return null; 3323 } 3324 } 3325 3326 @Override 3327 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3328 int flags) { 3329 // reader 3330 synchronized (mPackages) { 3331 if (group != null && !mPermissionGroups.containsKey(group)) { 3332 // This is thrown as NameNotFoundException 3333 return null; 3334 } 3335 3336 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3337 for (BasePermission p : mSettings.mPermissions.values()) { 3338 if (group == null) { 3339 if (p.perm == null || p.perm.info.group == null) { 3340 out.add(generatePermissionInfo(p, flags)); 3341 } 3342 } else { 3343 if (p.perm != null && group.equals(p.perm.info.group)) { 3344 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3345 } 3346 } 3347 } 3348 return new ParceledListSlice<>(out); 3349 } 3350 } 3351 3352 @Override 3353 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3354 // reader 3355 synchronized (mPackages) { 3356 return PackageParser.generatePermissionGroupInfo( 3357 mPermissionGroups.get(name), flags); 3358 } 3359 } 3360 3361 @Override 3362 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3363 // reader 3364 synchronized (mPackages) { 3365 final int N = mPermissionGroups.size(); 3366 ArrayList<PermissionGroupInfo> out 3367 = new ArrayList<PermissionGroupInfo>(N); 3368 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3369 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3370 } 3371 return new ParceledListSlice<>(out); 3372 } 3373 } 3374 3375 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3376 int userId) { 3377 if (!sUserManager.exists(userId)) return null; 3378 PackageSetting ps = mSettings.mPackages.get(packageName); 3379 if (ps != null) { 3380 if (ps.pkg == null) { 3381 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3382 if (pInfo != null) { 3383 return pInfo.applicationInfo; 3384 } 3385 return null; 3386 } 3387 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3388 ps.readUserState(userId), userId); 3389 } 3390 return null; 3391 } 3392 3393 @Override 3394 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3395 if (!sUserManager.exists(userId)) return null; 3396 flags = updateFlagsForApplication(flags, userId, packageName); 3397 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3398 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3399 // writer 3400 synchronized (mPackages) { 3401 PackageParser.Package p = mPackages.get(packageName); 3402 if (DEBUG_PACKAGE_INFO) Log.v( 3403 TAG, "getApplicationInfo " + packageName 3404 + ": " + p); 3405 if (p != null) { 3406 PackageSetting ps = mSettings.mPackages.get(packageName); 3407 if (ps == null) return null; 3408 // Note: isEnabledLP() does not apply here - always return info 3409 return PackageParser.generateApplicationInfo( 3410 p, flags, ps.readUserState(userId), userId); 3411 } 3412 if ("android".equals(packageName)||"system".equals(packageName)) { 3413 return mAndroidApplication; 3414 } 3415 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3416 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3417 } 3418 } 3419 return null; 3420 } 3421 3422 @Override 3423 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3424 final IPackageDataObserver observer) { 3425 mContext.enforceCallingOrSelfPermission( 3426 android.Manifest.permission.CLEAR_APP_CACHE, null); 3427 // Queue up an async operation since clearing cache may take a little while. 3428 mHandler.post(new Runnable() { 3429 public void run() { 3430 mHandler.removeCallbacks(this); 3431 boolean success = true; 3432 synchronized (mInstallLock) { 3433 try { 3434 mInstaller.freeCache(volumeUuid, freeStorageSize); 3435 } catch (InstallerException e) { 3436 Slog.w(TAG, "Couldn't clear application caches: " + e); 3437 success = false; 3438 } 3439 } 3440 if (observer != null) { 3441 try { 3442 observer.onRemoveCompleted(null, success); 3443 } catch (RemoteException e) { 3444 Slog.w(TAG, "RemoveException when invoking call back"); 3445 } 3446 } 3447 } 3448 }); 3449 } 3450 3451 @Override 3452 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3453 final IntentSender pi) { 3454 mContext.enforceCallingOrSelfPermission( 3455 android.Manifest.permission.CLEAR_APP_CACHE, null); 3456 // Queue up an async operation since clearing cache may take a little while. 3457 mHandler.post(new Runnable() { 3458 public void run() { 3459 mHandler.removeCallbacks(this); 3460 boolean success = true; 3461 synchronized (mInstallLock) { 3462 try { 3463 mInstaller.freeCache(volumeUuid, freeStorageSize); 3464 } catch (InstallerException e) { 3465 Slog.w(TAG, "Couldn't clear application caches: " + e); 3466 success = false; 3467 } 3468 } 3469 if(pi != null) { 3470 try { 3471 // Callback via pending intent 3472 int code = success ? 1 : 0; 3473 pi.sendIntent(null, code, null, 3474 null, null); 3475 } catch (SendIntentException e1) { 3476 Slog.i(TAG, "Failed to send pending intent"); 3477 } 3478 } 3479 } 3480 }); 3481 } 3482 3483 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3484 synchronized (mInstallLock) { 3485 try { 3486 mInstaller.freeCache(volumeUuid, freeStorageSize); 3487 } catch (InstallerException e) { 3488 throw new IOException("Failed to free enough space", e); 3489 } 3490 } 3491 } 3492 3493 /** 3494 * Update given flags based on encryption status of current user. 3495 */ 3496 private int updateFlags(int flags, int userId) { 3497 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3498 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3499 // Caller expressed an explicit opinion about what encryption 3500 // aware/unaware components they want to see, so fall through and 3501 // give them what they want 3502 } else { 3503 // Caller expressed no opinion, so match based on user state 3504 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3505 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3506 } else { 3507 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3508 } 3509 } 3510 return flags; 3511 } 3512 3513 private UserManagerInternal getUserManagerInternal() { 3514 if (mUserManagerInternal == null) { 3515 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3516 } 3517 return mUserManagerInternal; 3518 } 3519 3520 /** 3521 * Update given flags when being used to request {@link PackageInfo}. 3522 */ 3523 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3524 boolean triaged = true; 3525 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3526 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3527 // Caller is asking for component details, so they'd better be 3528 // asking for specific encryption matching behavior, or be triaged 3529 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3530 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3531 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3532 triaged = false; 3533 } 3534 } 3535 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3536 | PackageManager.MATCH_SYSTEM_ONLY 3537 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3538 triaged = false; 3539 } 3540 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3541 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3542 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3543 } 3544 return updateFlags(flags, userId); 3545 } 3546 3547 /** 3548 * Update given flags when being used to request {@link ApplicationInfo}. 3549 */ 3550 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3551 return updateFlagsForPackage(flags, userId, cookie); 3552 } 3553 3554 /** 3555 * Update given flags when being used to request {@link ComponentInfo}. 3556 */ 3557 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3558 if (cookie instanceof Intent) { 3559 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3560 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3561 } 3562 } 3563 3564 boolean triaged = true; 3565 // Caller is asking for component details, so they'd better be 3566 // asking for specific encryption matching behavior, or be triaged 3567 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3568 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3569 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3570 triaged = false; 3571 } 3572 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3573 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3574 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3575 } 3576 3577 return updateFlags(flags, userId); 3578 } 3579 3580 /** 3581 * Update given flags when being used to request {@link ResolveInfo}. 3582 */ 3583 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3584 // Safe mode means we shouldn't match any third-party components 3585 if (mSafeMode) { 3586 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3587 } 3588 3589 return updateFlagsForComponent(flags, userId, cookie); 3590 } 3591 3592 @Override 3593 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3594 if (!sUserManager.exists(userId)) return null; 3595 flags = updateFlagsForComponent(flags, userId, component); 3596 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3597 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3598 synchronized (mPackages) { 3599 PackageParser.Activity a = mActivities.mActivities.get(component); 3600 3601 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3602 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3603 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3604 if (ps == null) return null; 3605 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3606 userId); 3607 } 3608 if (mResolveComponentName.equals(component)) { 3609 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3610 new PackageUserState(), userId); 3611 } 3612 } 3613 return null; 3614 } 3615 3616 @Override 3617 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3618 String resolvedType) { 3619 synchronized (mPackages) { 3620 if (component.equals(mResolveComponentName)) { 3621 // The resolver supports EVERYTHING! 3622 return true; 3623 } 3624 PackageParser.Activity a = mActivities.mActivities.get(component); 3625 if (a == null) { 3626 return false; 3627 } 3628 for (int i=0; i<a.intents.size(); i++) { 3629 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3630 intent.getData(), intent.getCategories(), TAG) >= 0) { 3631 return true; 3632 } 3633 } 3634 return false; 3635 } 3636 } 3637 3638 @Override 3639 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3640 if (!sUserManager.exists(userId)) return null; 3641 flags = updateFlagsForComponent(flags, userId, component); 3642 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3643 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3644 synchronized (mPackages) { 3645 PackageParser.Activity a = mReceivers.mActivities.get(component); 3646 if (DEBUG_PACKAGE_INFO) Log.v( 3647 TAG, "getReceiverInfo " + component + ": " + a); 3648 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3649 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3650 if (ps == null) return null; 3651 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3652 userId); 3653 } 3654 } 3655 return null; 3656 } 3657 3658 @Override 3659 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3660 if (!sUserManager.exists(userId)) return null; 3661 flags = updateFlagsForComponent(flags, userId, component); 3662 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3663 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3664 synchronized (mPackages) { 3665 PackageParser.Service s = mServices.mServices.get(component); 3666 if (DEBUG_PACKAGE_INFO) Log.v( 3667 TAG, "getServiceInfo " + component + ": " + s); 3668 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3669 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3670 if (ps == null) return null; 3671 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3672 userId); 3673 } 3674 } 3675 return null; 3676 } 3677 3678 @Override 3679 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3680 if (!sUserManager.exists(userId)) return null; 3681 flags = updateFlagsForComponent(flags, userId, component); 3682 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3683 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3684 synchronized (mPackages) { 3685 PackageParser.Provider p = mProviders.mProviders.get(component); 3686 if (DEBUG_PACKAGE_INFO) Log.v( 3687 TAG, "getProviderInfo " + component + ": " + p); 3688 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3689 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3690 if (ps == null) return null; 3691 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3692 userId); 3693 } 3694 } 3695 return null; 3696 } 3697 3698 @Override 3699 public String[] getSystemSharedLibraryNames() { 3700 Set<String> libSet; 3701 synchronized (mPackages) { 3702 libSet = mSharedLibraries.keySet(); 3703 int size = libSet.size(); 3704 if (size > 0) { 3705 String[] libs = new String[size]; 3706 libSet.toArray(libs); 3707 return libs; 3708 } 3709 } 3710 return null; 3711 } 3712 3713 @Override 3714 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3715 synchronized (mPackages) { 3716 return mServicesSystemSharedLibraryPackageName; 3717 } 3718 } 3719 3720 @Override 3721 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3722 synchronized (mPackages) { 3723 return mSharedSystemSharedLibraryPackageName; 3724 } 3725 } 3726 3727 @Override 3728 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3729 synchronized (mPackages) { 3730 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3731 3732 final FeatureInfo fi = new FeatureInfo(); 3733 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3734 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3735 res.add(fi); 3736 3737 return new ParceledListSlice<>(res); 3738 } 3739 } 3740 3741 @Override 3742 public boolean hasSystemFeature(String name, int version) { 3743 synchronized (mPackages) { 3744 final FeatureInfo feat = mAvailableFeatures.get(name); 3745 if (feat == null) { 3746 return false; 3747 } else { 3748 return feat.version >= version; 3749 } 3750 } 3751 } 3752 3753 @Override 3754 public int checkPermission(String permName, String pkgName, int userId) { 3755 if (!sUserManager.exists(userId)) { 3756 return PackageManager.PERMISSION_DENIED; 3757 } 3758 3759 synchronized (mPackages) { 3760 final PackageParser.Package p = mPackages.get(pkgName); 3761 if (p != null && p.mExtras != null) { 3762 final PackageSetting ps = (PackageSetting) p.mExtras; 3763 final PermissionsState permissionsState = ps.getPermissionsState(); 3764 if (permissionsState.hasPermission(permName, userId)) { 3765 return PackageManager.PERMISSION_GRANTED; 3766 } 3767 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3768 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3769 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3770 return PackageManager.PERMISSION_GRANTED; 3771 } 3772 } 3773 } 3774 3775 return PackageManager.PERMISSION_DENIED; 3776 } 3777 3778 @Override 3779 public int checkUidPermission(String permName, int uid) { 3780 final int userId = UserHandle.getUserId(uid); 3781 3782 if (!sUserManager.exists(userId)) { 3783 return PackageManager.PERMISSION_DENIED; 3784 } 3785 3786 synchronized (mPackages) { 3787 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3788 if (obj != null) { 3789 final SettingBase ps = (SettingBase) obj; 3790 final PermissionsState permissionsState = ps.getPermissionsState(); 3791 if (permissionsState.hasPermission(permName, userId)) { 3792 return PackageManager.PERMISSION_GRANTED; 3793 } 3794 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3795 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3796 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3797 return PackageManager.PERMISSION_GRANTED; 3798 } 3799 } else { 3800 ArraySet<String> perms = mSystemPermissions.get(uid); 3801 if (perms != null) { 3802 if (perms.contains(permName)) { 3803 return PackageManager.PERMISSION_GRANTED; 3804 } 3805 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3806 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3807 return PackageManager.PERMISSION_GRANTED; 3808 } 3809 } 3810 } 3811 } 3812 3813 return PackageManager.PERMISSION_DENIED; 3814 } 3815 3816 @Override 3817 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3818 if (UserHandle.getCallingUserId() != userId) { 3819 mContext.enforceCallingPermission( 3820 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3821 "isPermissionRevokedByPolicy for user " + userId); 3822 } 3823 3824 if (checkPermission(permission, packageName, userId) 3825 == PackageManager.PERMISSION_GRANTED) { 3826 return false; 3827 } 3828 3829 final long identity = Binder.clearCallingIdentity(); 3830 try { 3831 final int flags = getPermissionFlags(permission, packageName, userId); 3832 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3833 } finally { 3834 Binder.restoreCallingIdentity(identity); 3835 } 3836 } 3837 3838 @Override 3839 public String getPermissionControllerPackageName() { 3840 synchronized (mPackages) { 3841 return mRequiredInstallerPackage; 3842 } 3843 } 3844 3845 /** 3846 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3847 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3848 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3849 * @param message the message to log on security exception 3850 */ 3851 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3852 boolean checkShell, String message) { 3853 if (userId < 0) { 3854 throw new IllegalArgumentException("Invalid userId " + userId); 3855 } 3856 if (checkShell) { 3857 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3858 } 3859 if (userId == UserHandle.getUserId(callingUid)) return; 3860 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3861 if (requireFullPermission) { 3862 mContext.enforceCallingOrSelfPermission( 3863 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3864 } else { 3865 try { 3866 mContext.enforceCallingOrSelfPermission( 3867 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3868 } catch (SecurityException se) { 3869 mContext.enforceCallingOrSelfPermission( 3870 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3871 } 3872 } 3873 } 3874 } 3875 3876 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3877 if (callingUid == Process.SHELL_UID) { 3878 if (userHandle >= 0 3879 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3880 throw new SecurityException("Shell does not have permission to access user " 3881 + userHandle); 3882 } else if (userHandle < 0) { 3883 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3884 + Debug.getCallers(3)); 3885 } 3886 } 3887 } 3888 3889 private BasePermission findPermissionTreeLP(String permName) { 3890 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3891 if (permName.startsWith(bp.name) && 3892 permName.length() > bp.name.length() && 3893 permName.charAt(bp.name.length()) == '.') { 3894 return bp; 3895 } 3896 } 3897 return null; 3898 } 3899 3900 private BasePermission checkPermissionTreeLP(String permName) { 3901 if (permName != null) { 3902 BasePermission bp = findPermissionTreeLP(permName); 3903 if (bp != null) { 3904 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3905 return bp; 3906 } 3907 throw new SecurityException("Calling uid " 3908 + Binder.getCallingUid() 3909 + " is not allowed to add to permission tree " 3910 + bp.name + " owned by uid " + bp.uid); 3911 } 3912 } 3913 throw new SecurityException("No permission tree found for " + permName); 3914 } 3915 3916 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3917 if (s1 == null) { 3918 return s2 == null; 3919 } 3920 if (s2 == null) { 3921 return false; 3922 } 3923 if (s1.getClass() != s2.getClass()) { 3924 return false; 3925 } 3926 return s1.equals(s2); 3927 } 3928 3929 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3930 if (pi1.icon != pi2.icon) return false; 3931 if (pi1.logo != pi2.logo) return false; 3932 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3933 if (!compareStrings(pi1.name, pi2.name)) return false; 3934 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3935 // We'll take care of setting this one. 3936 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3937 // These are not currently stored in settings. 3938 //if (!compareStrings(pi1.group, pi2.group)) return false; 3939 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3940 //if (pi1.labelRes != pi2.labelRes) return false; 3941 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3942 return true; 3943 } 3944 3945 int permissionInfoFootprint(PermissionInfo info) { 3946 int size = info.name.length(); 3947 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3948 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3949 return size; 3950 } 3951 3952 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3953 int size = 0; 3954 for (BasePermission perm : mSettings.mPermissions.values()) { 3955 if (perm.uid == tree.uid) { 3956 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3957 } 3958 } 3959 return size; 3960 } 3961 3962 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3963 // We calculate the max size of permissions defined by this uid and throw 3964 // if that plus the size of 'info' would exceed our stated maximum. 3965 if (tree.uid != Process.SYSTEM_UID) { 3966 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3967 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3968 throw new SecurityException("Permission tree size cap exceeded"); 3969 } 3970 } 3971 } 3972 3973 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3974 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3975 throw new SecurityException("Label must be specified in permission"); 3976 } 3977 BasePermission tree = checkPermissionTreeLP(info.name); 3978 BasePermission bp = mSettings.mPermissions.get(info.name); 3979 boolean added = bp == null; 3980 boolean changed = true; 3981 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3982 if (added) { 3983 enforcePermissionCapLocked(info, tree); 3984 bp = new BasePermission(info.name, tree.sourcePackage, 3985 BasePermission.TYPE_DYNAMIC); 3986 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3987 throw new SecurityException( 3988 "Not allowed to modify non-dynamic permission " 3989 + info.name); 3990 } else { 3991 if (bp.protectionLevel == fixedLevel 3992 && bp.perm.owner.equals(tree.perm.owner) 3993 && bp.uid == tree.uid 3994 && comparePermissionInfos(bp.perm.info, info)) { 3995 changed = false; 3996 } 3997 } 3998 bp.protectionLevel = fixedLevel; 3999 info = new PermissionInfo(info); 4000 info.protectionLevel = fixedLevel; 4001 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4002 bp.perm.info.packageName = tree.perm.info.packageName; 4003 bp.uid = tree.uid; 4004 if (added) { 4005 mSettings.mPermissions.put(info.name, bp); 4006 } 4007 if (changed) { 4008 if (!async) { 4009 mSettings.writeLPr(); 4010 } else { 4011 scheduleWriteSettingsLocked(); 4012 } 4013 } 4014 return added; 4015 } 4016 4017 @Override 4018 public boolean addPermission(PermissionInfo info) { 4019 synchronized (mPackages) { 4020 return addPermissionLocked(info, false); 4021 } 4022 } 4023 4024 @Override 4025 public boolean addPermissionAsync(PermissionInfo info) { 4026 synchronized (mPackages) { 4027 return addPermissionLocked(info, true); 4028 } 4029 } 4030 4031 @Override 4032 public void removePermission(String name) { 4033 synchronized (mPackages) { 4034 checkPermissionTreeLP(name); 4035 BasePermission bp = mSettings.mPermissions.get(name); 4036 if (bp != null) { 4037 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4038 throw new SecurityException( 4039 "Not allowed to modify non-dynamic permission " 4040 + name); 4041 } 4042 mSettings.mPermissions.remove(name); 4043 mSettings.writeLPr(); 4044 } 4045 } 4046 } 4047 4048 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4049 BasePermission bp) { 4050 int index = pkg.requestedPermissions.indexOf(bp.name); 4051 if (index == -1) { 4052 throw new SecurityException("Package " + pkg.packageName 4053 + " has not requested permission " + bp.name); 4054 } 4055 if (!bp.isRuntime() && !bp.isDevelopment()) { 4056 throw new SecurityException("Permission " + bp.name 4057 + " is not a changeable permission type"); 4058 } 4059 } 4060 4061 @Override 4062 public void grantRuntimePermission(String packageName, String name, final int userId) { 4063 if (!sUserManager.exists(userId)) { 4064 Log.e(TAG, "No such user:" + userId); 4065 return; 4066 } 4067 4068 mContext.enforceCallingOrSelfPermission( 4069 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4070 "grantRuntimePermission"); 4071 4072 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4073 true /* requireFullPermission */, true /* checkShell */, 4074 "grantRuntimePermission"); 4075 4076 final int uid; 4077 final SettingBase sb; 4078 4079 synchronized (mPackages) { 4080 final PackageParser.Package pkg = mPackages.get(packageName); 4081 if (pkg == null) { 4082 throw new IllegalArgumentException("Unknown package: " + packageName); 4083 } 4084 4085 final BasePermission bp = mSettings.mPermissions.get(name); 4086 if (bp == null) { 4087 throw new IllegalArgumentException("Unknown permission: " + name); 4088 } 4089 4090 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4091 4092 // If a permission review is required for legacy apps we represent 4093 // their permissions as always granted runtime ones since we need 4094 // to keep the review required permission flag per user while an 4095 // install permission's state is shared across all users. 4096 if (Build.PERMISSIONS_REVIEW_REQUIRED 4097 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4098 && bp.isRuntime()) { 4099 return; 4100 } 4101 4102 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4103 sb = (SettingBase) pkg.mExtras; 4104 if (sb == null) { 4105 throw new IllegalArgumentException("Unknown package: " + packageName); 4106 } 4107 4108 final PermissionsState permissionsState = sb.getPermissionsState(); 4109 4110 final int flags = permissionsState.getPermissionFlags(name, userId); 4111 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4112 throw new SecurityException("Cannot grant system fixed permission " 4113 + name + " for package " + packageName); 4114 } 4115 4116 if (bp.isDevelopment()) { 4117 // Development permissions must be handled specially, since they are not 4118 // normal runtime permissions. For now they apply to all users. 4119 if (permissionsState.grantInstallPermission(bp) != 4120 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4121 scheduleWriteSettingsLocked(); 4122 } 4123 return; 4124 } 4125 4126 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4127 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4128 return; 4129 } 4130 4131 final int result = permissionsState.grantRuntimePermission(bp, userId); 4132 switch (result) { 4133 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4134 return; 4135 } 4136 4137 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4138 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4139 mHandler.post(new Runnable() { 4140 @Override 4141 public void run() { 4142 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4143 } 4144 }); 4145 } 4146 break; 4147 } 4148 4149 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4150 4151 // Not critical if that is lost - app has to request again. 4152 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4153 } 4154 4155 // Only need to do this if user is initialized. Otherwise it's a new user 4156 // and there are no processes running as the user yet and there's no need 4157 // to make an expensive call to remount processes for the changed permissions. 4158 if (READ_EXTERNAL_STORAGE.equals(name) 4159 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4160 final long token = Binder.clearCallingIdentity(); 4161 try { 4162 if (sUserManager.isInitialized(userId)) { 4163 MountServiceInternal mountServiceInternal = LocalServices.getService( 4164 MountServiceInternal.class); 4165 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4166 } 4167 } finally { 4168 Binder.restoreCallingIdentity(token); 4169 } 4170 } 4171 } 4172 4173 @Override 4174 public void revokeRuntimePermission(String packageName, String name, int userId) { 4175 if (!sUserManager.exists(userId)) { 4176 Log.e(TAG, "No such user:" + userId); 4177 return; 4178 } 4179 4180 mContext.enforceCallingOrSelfPermission( 4181 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4182 "revokeRuntimePermission"); 4183 4184 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4185 true /* requireFullPermission */, true /* checkShell */, 4186 "revokeRuntimePermission"); 4187 4188 final int appId; 4189 4190 synchronized (mPackages) { 4191 final PackageParser.Package pkg = mPackages.get(packageName); 4192 if (pkg == null) { 4193 throw new IllegalArgumentException("Unknown package: " + packageName); 4194 } 4195 4196 final BasePermission bp = mSettings.mPermissions.get(name); 4197 if (bp == null) { 4198 throw new IllegalArgumentException("Unknown permission: " + name); 4199 } 4200 4201 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4202 4203 // If a permission review is required for legacy apps we represent 4204 // their permissions as always granted runtime ones since we need 4205 // to keep the review required permission flag per user while an 4206 // install permission's state is shared across all users. 4207 if (Build.PERMISSIONS_REVIEW_REQUIRED 4208 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4209 && bp.isRuntime()) { 4210 return; 4211 } 4212 4213 SettingBase sb = (SettingBase) pkg.mExtras; 4214 if (sb == null) { 4215 throw new IllegalArgumentException("Unknown package: " + packageName); 4216 } 4217 4218 final PermissionsState permissionsState = sb.getPermissionsState(); 4219 4220 final int flags = permissionsState.getPermissionFlags(name, userId); 4221 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4222 throw new SecurityException("Cannot revoke system fixed permission " 4223 + name + " for package " + packageName); 4224 } 4225 4226 if (bp.isDevelopment()) { 4227 // Development permissions must be handled specially, since they are not 4228 // normal runtime permissions. For now they apply to all users. 4229 if (permissionsState.revokeInstallPermission(bp) != 4230 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4231 scheduleWriteSettingsLocked(); 4232 } 4233 return; 4234 } 4235 4236 if (permissionsState.revokeRuntimePermission(bp, userId) == 4237 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4238 return; 4239 } 4240 4241 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4242 4243 // Critical, after this call app should never have the permission. 4244 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4245 4246 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4247 } 4248 4249 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4250 } 4251 4252 @Override 4253 public void resetRuntimePermissions() { 4254 mContext.enforceCallingOrSelfPermission( 4255 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4256 "revokeRuntimePermission"); 4257 4258 int callingUid = Binder.getCallingUid(); 4259 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4260 mContext.enforceCallingOrSelfPermission( 4261 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4262 "resetRuntimePermissions"); 4263 } 4264 4265 synchronized (mPackages) { 4266 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4267 for (int userId : UserManagerService.getInstance().getUserIds()) { 4268 final int packageCount = mPackages.size(); 4269 for (int i = 0; i < packageCount; i++) { 4270 PackageParser.Package pkg = mPackages.valueAt(i); 4271 if (!(pkg.mExtras instanceof PackageSetting)) { 4272 continue; 4273 } 4274 PackageSetting ps = (PackageSetting) pkg.mExtras; 4275 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4276 } 4277 } 4278 } 4279 } 4280 4281 @Override 4282 public int getPermissionFlags(String name, String packageName, int userId) { 4283 if (!sUserManager.exists(userId)) { 4284 return 0; 4285 } 4286 4287 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4288 4289 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4290 true /* requireFullPermission */, false /* checkShell */, 4291 "getPermissionFlags"); 4292 4293 synchronized (mPackages) { 4294 final PackageParser.Package pkg = mPackages.get(packageName); 4295 if (pkg == null) { 4296 return 0; 4297 } 4298 4299 final BasePermission bp = mSettings.mPermissions.get(name); 4300 if (bp == null) { 4301 return 0; 4302 } 4303 4304 SettingBase sb = (SettingBase) pkg.mExtras; 4305 if (sb == null) { 4306 return 0; 4307 } 4308 4309 PermissionsState permissionsState = sb.getPermissionsState(); 4310 return permissionsState.getPermissionFlags(name, userId); 4311 } 4312 } 4313 4314 @Override 4315 public void updatePermissionFlags(String name, String packageName, int flagMask, 4316 int flagValues, int userId) { 4317 if (!sUserManager.exists(userId)) { 4318 return; 4319 } 4320 4321 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4322 4323 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4324 true /* requireFullPermission */, true /* checkShell */, 4325 "updatePermissionFlags"); 4326 4327 // Only the system can change these flags and nothing else. 4328 if (getCallingUid() != Process.SYSTEM_UID) { 4329 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4330 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4331 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4332 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4333 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4334 } 4335 4336 synchronized (mPackages) { 4337 final PackageParser.Package pkg = mPackages.get(packageName); 4338 if (pkg == null) { 4339 throw new IllegalArgumentException("Unknown package: " + packageName); 4340 } 4341 4342 final BasePermission bp = mSettings.mPermissions.get(name); 4343 if (bp == null) { 4344 throw new IllegalArgumentException("Unknown permission: " + name); 4345 } 4346 4347 SettingBase sb = (SettingBase) pkg.mExtras; 4348 if (sb == null) { 4349 throw new IllegalArgumentException("Unknown package: " + packageName); 4350 } 4351 4352 PermissionsState permissionsState = sb.getPermissionsState(); 4353 4354 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4355 4356 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4357 // Install and runtime permissions are stored in different places, 4358 // so figure out what permission changed and persist the change. 4359 if (permissionsState.getInstallPermissionState(name) != null) { 4360 scheduleWriteSettingsLocked(); 4361 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4362 || hadState) { 4363 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4364 } 4365 } 4366 } 4367 } 4368 4369 /** 4370 * Update the permission flags for all packages and runtime permissions of a user in order 4371 * to allow device or profile owner to remove POLICY_FIXED. 4372 */ 4373 @Override 4374 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4375 if (!sUserManager.exists(userId)) { 4376 return; 4377 } 4378 4379 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4380 4381 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4382 true /* requireFullPermission */, true /* checkShell */, 4383 "updatePermissionFlagsForAllApps"); 4384 4385 // Only the system can change system fixed flags. 4386 if (getCallingUid() != Process.SYSTEM_UID) { 4387 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4388 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4389 } 4390 4391 synchronized (mPackages) { 4392 boolean changed = false; 4393 final int packageCount = mPackages.size(); 4394 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4395 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4396 SettingBase sb = (SettingBase) pkg.mExtras; 4397 if (sb == null) { 4398 continue; 4399 } 4400 PermissionsState permissionsState = sb.getPermissionsState(); 4401 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4402 userId, flagMask, flagValues); 4403 } 4404 if (changed) { 4405 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4406 } 4407 } 4408 } 4409 4410 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4411 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4412 != PackageManager.PERMISSION_GRANTED 4413 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4414 != PackageManager.PERMISSION_GRANTED) { 4415 throw new SecurityException(message + " requires " 4416 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4417 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4418 } 4419 } 4420 4421 @Override 4422 public boolean shouldShowRequestPermissionRationale(String permissionName, 4423 String packageName, int userId) { 4424 if (UserHandle.getCallingUserId() != userId) { 4425 mContext.enforceCallingPermission( 4426 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4427 "canShowRequestPermissionRationale for user " + userId); 4428 } 4429 4430 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4431 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4432 return false; 4433 } 4434 4435 if (checkPermission(permissionName, packageName, userId) 4436 == PackageManager.PERMISSION_GRANTED) { 4437 return false; 4438 } 4439 4440 final int flags; 4441 4442 final long identity = Binder.clearCallingIdentity(); 4443 try { 4444 flags = getPermissionFlags(permissionName, 4445 packageName, userId); 4446 } finally { 4447 Binder.restoreCallingIdentity(identity); 4448 } 4449 4450 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4451 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4452 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4453 4454 if ((flags & fixedFlags) != 0) { 4455 return false; 4456 } 4457 4458 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4459 } 4460 4461 @Override 4462 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4463 mContext.enforceCallingOrSelfPermission( 4464 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4465 "addOnPermissionsChangeListener"); 4466 4467 synchronized (mPackages) { 4468 mOnPermissionChangeListeners.addListenerLocked(listener); 4469 } 4470 } 4471 4472 @Override 4473 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4474 synchronized (mPackages) { 4475 mOnPermissionChangeListeners.removeListenerLocked(listener); 4476 } 4477 } 4478 4479 @Override 4480 public boolean isProtectedBroadcast(String actionName) { 4481 synchronized (mPackages) { 4482 if (mProtectedBroadcasts.contains(actionName)) { 4483 return true; 4484 } else if (actionName != null) { 4485 // TODO: remove these terrible hacks 4486 if (actionName.startsWith("android.net.netmon.lingerExpired") 4487 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4488 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4489 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4490 return true; 4491 } 4492 } 4493 } 4494 return false; 4495 } 4496 4497 @Override 4498 public int checkSignatures(String pkg1, String pkg2) { 4499 synchronized (mPackages) { 4500 final PackageParser.Package p1 = mPackages.get(pkg1); 4501 final PackageParser.Package p2 = mPackages.get(pkg2); 4502 if (p1 == null || p1.mExtras == null 4503 || p2 == null || p2.mExtras == null) { 4504 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4505 } 4506 return compareSignatures(p1.mSignatures, p2.mSignatures); 4507 } 4508 } 4509 4510 @Override 4511 public int checkUidSignatures(int uid1, int uid2) { 4512 // Map to base uids. 4513 uid1 = UserHandle.getAppId(uid1); 4514 uid2 = UserHandle.getAppId(uid2); 4515 // reader 4516 synchronized (mPackages) { 4517 Signature[] s1; 4518 Signature[] s2; 4519 Object obj = mSettings.getUserIdLPr(uid1); 4520 if (obj != null) { 4521 if (obj instanceof SharedUserSetting) { 4522 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4523 } else if (obj instanceof PackageSetting) { 4524 s1 = ((PackageSetting)obj).signatures.mSignatures; 4525 } else { 4526 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4527 } 4528 } else { 4529 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4530 } 4531 obj = mSettings.getUserIdLPr(uid2); 4532 if (obj != null) { 4533 if (obj instanceof SharedUserSetting) { 4534 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4535 } else if (obj instanceof PackageSetting) { 4536 s2 = ((PackageSetting)obj).signatures.mSignatures; 4537 } else { 4538 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4539 } 4540 } else { 4541 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4542 } 4543 return compareSignatures(s1, s2); 4544 } 4545 } 4546 4547 /** 4548 * This method should typically only be used when granting or revoking 4549 * permissions, since the app may immediately restart after this call. 4550 * <p> 4551 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4552 * guard your work against the app being relaunched. 4553 */ 4554 private void killUid(int appId, int userId, String reason) { 4555 final long identity = Binder.clearCallingIdentity(); 4556 try { 4557 IActivityManager am = ActivityManagerNative.getDefault(); 4558 if (am != null) { 4559 try { 4560 am.killUid(appId, userId, reason); 4561 } catch (RemoteException e) { 4562 /* ignore - same process */ 4563 } 4564 } 4565 } finally { 4566 Binder.restoreCallingIdentity(identity); 4567 } 4568 } 4569 4570 /** 4571 * Compares two sets of signatures. Returns: 4572 * <br /> 4573 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4574 * <br /> 4575 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4576 * <br /> 4577 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4578 * <br /> 4579 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4580 * <br /> 4581 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4582 */ 4583 static int compareSignatures(Signature[] s1, Signature[] s2) { 4584 if (s1 == null) { 4585 return s2 == null 4586 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4587 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4588 } 4589 4590 if (s2 == null) { 4591 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4592 } 4593 4594 if (s1.length != s2.length) { 4595 return PackageManager.SIGNATURE_NO_MATCH; 4596 } 4597 4598 // Since both signature sets are of size 1, we can compare without HashSets. 4599 if (s1.length == 1) { 4600 return s1[0].equals(s2[0]) ? 4601 PackageManager.SIGNATURE_MATCH : 4602 PackageManager.SIGNATURE_NO_MATCH; 4603 } 4604 4605 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4606 for (Signature sig : s1) { 4607 set1.add(sig); 4608 } 4609 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4610 for (Signature sig : s2) { 4611 set2.add(sig); 4612 } 4613 // Make sure s2 contains all signatures in s1. 4614 if (set1.equals(set2)) { 4615 return PackageManager.SIGNATURE_MATCH; 4616 } 4617 return PackageManager.SIGNATURE_NO_MATCH; 4618 } 4619 4620 /** 4621 * If the database version for this type of package (internal storage or 4622 * external storage) is less than the version where package signatures 4623 * were updated, return true. 4624 */ 4625 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4626 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4627 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4628 } 4629 4630 /** 4631 * Used for backward compatibility to make sure any packages with 4632 * certificate chains get upgraded to the new style. {@code existingSigs} 4633 * will be in the old format (since they were stored on disk from before the 4634 * system upgrade) and {@code scannedSigs} will be in the newer format. 4635 */ 4636 private int compareSignaturesCompat(PackageSignatures existingSigs, 4637 PackageParser.Package scannedPkg) { 4638 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4639 return PackageManager.SIGNATURE_NO_MATCH; 4640 } 4641 4642 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4643 for (Signature sig : existingSigs.mSignatures) { 4644 existingSet.add(sig); 4645 } 4646 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4647 for (Signature sig : scannedPkg.mSignatures) { 4648 try { 4649 Signature[] chainSignatures = sig.getChainSignatures(); 4650 for (Signature chainSig : chainSignatures) { 4651 scannedCompatSet.add(chainSig); 4652 } 4653 } catch (CertificateEncodingException e) { 4654 scannedCompatSet.add(sig); 4655 } 4656 } 4657 /* 4658 * Make sure the expanded scanned set contains all signatures in the 4659 * existing one. 4660 */ 4661 if (scannedCompatSet.equals(existingSet)) { 4662 // Migrate the old signatures to the new scheme. 4663 existingSigs.assignSignatures(scannedPkg.mSignatures); 4664 // The new KeySets will be re-added later in the scanning process. 4665 synchronized (mPackages) { 4666 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4667 } 4668 return PackageManager.SIGNATURE_MATCH; 4669 } 4670 return PackageManager.SIGNATURE_NO_MATCH; 4671 } 4672 4673 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4674 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4675 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4676 } 4677 4678 private int compareSignaturesRecover(PackageSignatures existingSigs, 4679 PackageParser.Package scannedPkg) { 4680 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4681 return PackageManager.SIGNATURE_NO_MATCH; 4682 } 4683 4684 String msg = null; 4685 try { 4686 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4687 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4688 + scannedPkg.packageName); 4689 return PackageManager.SIGNATURE_MATCH; 4690 } 4691 } catch (CertificateException e) { 4692 msg = e.getMessage(); 4693 } 4694 4695 logCriticalInfo(Log.INFO, 4696 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4697 return PackageManager.SIGNATURE_NO_MATCH; 4698 } 4699 4700 @Override 4701 public List<String> getAllPackages() { 4702 synchronized (mPackages) { 4703 return new ArrayList<String>(mPackages.keySet()); 4704 } 4705 } 4706 4707 @Override 4708 public String[] getPackagesForUid(int uid) { 4709 uid = UserHandle.getAppId(uid); 4710 // reader 4711 synchronized (mPackages) { 4712 Object obj = mSettings.getUserIdLPr(uid); 4713 if (obj instanceof SharedUserSetting) { 4714 final SharedUserSetting sus = (SharedUserSetting) obj; 4715 final int N = sus.packages.size(); 4716 final String[] res = new String[N]; 4717 final Iterator<PackageSetting> it = sus.packages.iterator(); 4718 int i = 0; 4719 while (it.hasNext()) { 4720 res[i++] = it.next().name; 4721 } 4722 return res; 4723 } else if (obj instanceof PackageSetting) { 4724 final PackageSetting ps = (PackageSetting) obj; 4725 return new String[] { ps.name }; 4726 } 4727 } 4728 return null; 4729 } 4730 4731 @Override 4732 public String getNameForUid(int uid) { 4733 // reader 4734 synchronized (mPackages) { 4735 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4736 if (obj instanceof SharedUserSetting) { 4737 final SharedUserSetting sus = (SharedUserSetting) obj; 4738 return sus.name + ":" + sus.userId; 4739 } else if (obj instanceof PackageSetting) { 4740 final PackageSetting ps = (PackageSetting) obj; 4741 return ps.name; 4742 } 4743 } 4744 return null; 4745 } 4746 4747 @Override 4748 public int getUidForSharedUser(String sharedUserName) { 4749 if(sharedUserName == null) { 4750 return -1; 4751 } 4752 // reader 4753 synchronized (mPackages) { 4754 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4755 if (suid == null) { 4756 return -1; 4757 } 4758 return suid.userId; 4759 } 4760 } 4761 4762 @Override 4763 public int getFlagsForUid(int uid) { 4764 synchronized (mPackages) { 4765 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4766 if (obj instanceof SharedUserSetting) { 4767 final SharedUserSetting sus = (SharedUserSetting) obj; 4768 return sus.pkgFlags; 4769 } else if (obj instanceof PackageSetting) { 4770 final PackageSetting ps = (PackageSetting) obj; 4771 return ps.pkgFlags; 4772 } 4773 } 4774 return 0; 4775 } 4776 4777 @Override 4778 public int getPrivateFlagsForUid(int uid) { 4779 synchronized (mPackages) { 4780 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4781 if (obj instanceof SharedUserSetting) { 4782 final SharedUserSetting sus = (SharedUserSetting) obj; 4783 return sus.pkgPrivateFlags; 4784 } else if (obj instanceof PackageSetting) { 4785 final PackageSetting ps = (PackageSetting) obj; 4786 return ps.pkgPrivateFlags; 4787 } 4788 } 4789 return 0; 4790 } 4791 4792 @Override 4793 public boolean isUidPrivileged(int uid) { 4794 uid = UserHandle.getAppId(uid); 4795 // reader 4796 synchronized (mPackages) { 4797 Object obj = mSettings.getUserIdLPr(uid); 4798 if (obj instanceof SharedUserSetting) { 4799 final SharedUserSetting sus = (SharedUserSetting) obj; 4800 final Iterator<PackageSetting> it = sus.packages.iterator(); 4801 while (it.hasNext()) { 4802 if (it.next().isPrivileged()) { 4803 return true; 4804 } 4805 } 4806 } else if (obj instanceof PackageSetting) { 4807 final PackageSetting ps = (PackageSetting) obj; 4808 return ps.isPrivileged(); 4809 } 4810 } 4811 return false; 4812 } 4813 4814 @Override 4815 public String[] getAppOpPermissionPackages(String permissionName) { 4816 synchronized (mPackages) { 4817 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4818 if (pkgs == null) { 4819 return null; 4820 } 4821 return pkgs.toArray(new String[pkgs.size()]); 4822 } 4823 } 4824 4825 @Override 4826 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4827 int flags, int userId) { 4828 try { 4829 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4830 4831 if (!sUserManager.exists(userId)) return null; 4832 flags = updateFlagsForResolve(flags, userId, intent); 4833 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4834 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4835 4836 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4837 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4838 flags, userId); 4839 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4840 4841 final ResolveInfo bestChoice = 4842 chooseBestActivity(intent, resolvedType, flags, query, userId); 4843 4844 if (isEphemeralAllowed(intent, query, userId)) { 4845 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4846 final EphemeralResolveInfo ai = 4847 getEphemeralResolveInfo(intent, resolvedType, userId); 4848 if (ai != null) { 4849 if (DEBUG_EPHEMERAL) { 4850 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4851 } 4852 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4853 bestChoice.ephemeralResolveInfo = ai; 4854 } 4855 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4856 } 4857 return bestChoice; 4858 } finally { 4859 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4860 } 4861 } 4862 4863 @Override 4864 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4865 IntentFilter filter, int match, ComponentName activity) { 4866 final int userId = UserHandle.getCallingUserId(); 4867 if (DEBUG_PREFERRED) { 4868 Log.v(TAG, "setLastChosenActivity intent=" + intent 4869 + " resolvedType=" + resolvedType 4870 + " flags=" + flags 4871 + " filter=" + filter 4872 + " match=" + match 4873 + " activity=" + activity); 4874 filter.dump(new PrintStreamPrinter(System.out), " "); 4875 } 4876 intent.setComponent(null); 4877 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4878 userId); 4879 // Find any earlier preferred or last chosen entries and nuke them 4880 findPreferredActivity(intent, resolvedType, 4881 flags, query, 0, false, true, false, userId); 4882 // Add the new activity as the last chosen for this filter 4883 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4884 "Setting last chosen"); 4885 } 4886 4887 @Override 4888 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4889 final int userId = UserHandle.getCallingUserId(); 4890 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4891 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4892 userId); 4893 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4894 false, false, false, userId); 4895 } 4896 4897 4898 private boolean isEphemeralAllowed( 4899 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4900 // Short circuit and return early if possible. 4901 if (DISABLE_EPHEMERAL_APPS) { 4902 return false; 4903 } 4904 final int callingUser = UserHandle.getCallingUserId(); 4905 if (callingUser != UserHandle.USER_SYSTEM) { 4906 return false; 4907 } 4908 if (mEphemeralResolverConnection == null) { 4909 return false; 4910 } 4911 if (intent.getComponent() != null) { 4912 return false; 4913 } 4914 if (intent.getPackage() != null) { 4915 return false; 4916 } 4917 final boolean isWebUri = hasWebURI(intent); 4918 if (!isWebUri) { 4919 return false; 4920 } 4921 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4922 synchronized (mPackages) { 4923 final int count = resolvedActivites.size(); 4924 for (int n = 0; n < count; n++) { 4925 ResolveInfo info = resolvedActivites.get(n); 4926 String packageName = info.activityInfo.packageName; 4927 PackageSetting ps = mSettings.mPackages.get(packageName); 4928 if (ps != null) { 4929 // Try to get the status from User settings first 4930 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4931 int status = (int) (packedStatus >> 32); 4932 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4933 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4934 if (DEBUG_EPHEMERAL) { 4935 Slog.v(TAG, "DENY ephemeral apps;" 4936 + " pkg: " + packageName + ", status: " + status); 4937 } 4938 return false; 4939 } 4940 } 4941 } 4942 } 4943 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4944 return true; 4945 } 4946 4947 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4948 int userId) { 4949 MessageDigest digest = null; 4950 try { 4951 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4952 } catch (NoSuchAlgorithmException e) { 4953 // If we can't create a digest, ignore ephemeral apps. 4954 return null; 4955 } 4956 4957 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4958 final byte[] digestBytes = digest.digest(hostBytes); 4959 int shaPrefix = 4960 digestBytes[0] << 24 4961 | digestBytes[1] << 16 4962 | digestBytes[2] << 8 4963 | digestBytes[3] << 0; 4964 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4965 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4966 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4967 // No hash prefix match; there are no ephemeral apps for this domain. 4968 return null; 4969 } 4970 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4971 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4972 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4973 continue; 4974 } 4975 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4976 // No filters; this should never happen. 4977 if (filters.isEmpty()) { 4978 continue; 4979 } 4980 // We have a domain match; resolve the filters to see if anything matches. 4981 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4982 for (int j = filters.size() - 1; j >= 0; --j) { 4983 final EphemeralResolveIntentInfo intentInfo = 4984 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4985 ephemeralResolver.addFilter(intentInfo); 4986 } 4987 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4988 intent, resolvedType, false /*defaultOnly*/, userId); 4989 if (!matchedResolveInfoList.isEmpty()) { 4990 return matchedResolveInfoList.get(0); 4991 } 4992 } 4993 // Hash or filter mis-match; no ephemeral apps for this domain. 4994 return null; 4995 } 4996 4997 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4998 int flags, List<ResolveInfo> query, int userId) { 4999 if (query != null) { 5000 final int N = query.size(); 5001 if (N == 1) { 5002 return query.get(0); 5003 } else if (N > 1) { 5004 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5005 // If there is more than one activity with the same priority, 5006 // then let the user decide between them. 5007 ResolveInfo r0 = query.get(0); 5008 ResolveInfo r1 = query.get(1); 5009 if (DEBUG_INTENT_MATCHING || debug) { 5010 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5011 + r1.activityInfo.name + "=" + r1.priority); 5012 } 5013 // If the first activity has a higher priority, or a different 5014 // default, then it is always desirable to pick it. 5015 if (r0.priority != r1.priority 5016 || r0.preferredOrder != r1.preferredOrder 5017 || r0.isDefault != r1.isDefault) { 5018 return query.get(0); 5019 } 5020 // If we have saved a preference for a preferred activity for 5021 // this Intent, use that. 5022 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5023 flags, query, r0.priority, true, false, debug, userId); 5024 if (ri != null) { 5025 return ri; 5026 } 5027 ri = new ResolveInfo(mResolveInfo); 5028 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5029 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5030 // If all of the options come from the same package, show the application's 5031 // label and icon instead of the generic resolver's. 5032 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5033 // and then throw away the ResolveInfo itself, meaning that the caller loses 5034 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5035 // a fallback for this case; we only set the target package's resources on 5036 // the ResolveInfo, not the ActivityInfo. 5037 final String intentPackage = intent.getPackage(); 5038 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5039 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5040 ri.resolvePackageName = intentPackage; 5041 if (userNeedsBadging(userId)) { 5042 ri.noResourceId = true; 5043 } else { 5044 ri.icon = appi.icon; 5045 } 5046 ri.iconResourceId = appi.icon; 5047 ri.labelRes = appi.labelRes; 5048 } 5049 ri.activityInfo.applicationInfo = new ApplicationInfo( 5050 ri.activityInfo.applicationInfo); 5051 if (userId != 0) { 5052 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5053 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5054 } 5055 // Make sure that the resolver is displayable in car mode 5056 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5057 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5058 return ri; 5059 } 5060 } 5061 return null; 5062 } 5063 5064 /** 5065 * Return true if the given list is not empty and all of its contents have 5066 * an activityInfo with the given package name. 5067 */ 5068 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5069 if (ArrayUtils.isEmpty(list)) { 5070 return false; 5071 } 5072 for (int i = 0, N = list.size(); i < N; i++) { 5073 final ResolveInfo ri = list.get(i); 5074 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5075 if (ai == null || !packageName.equals(ai.packageName)) { 5076 return false; 5077 } 5078 } 5079 return true; 5080 } 5081 5082 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5083 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5084 final int N = query.size(); 5085 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5086 .get(userId); 5087 // Get the list of persistent preferred activities that handle the intent 5088 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5089 List<PersistentPreferredActivity> pprefs = ppir != null 5090 ? ppir.queryIntent(intent, resolvedType, 5091 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5092 : null; 5093 if (pprefs != null && pprefs.size() > 0) { 5094 final int M = pprefs.size(); 5095 for (int i=0; i<M; i++) { 5096 final PersistentPreferredActivity ppa = pprefs.get(i); 5097 if (DEBUG_PREFERRED || debug) { 5098 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5099 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5100 + "\n component=" + ppa.mComponent); 5101 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5102 } 5103 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5104 flags | MATCH_DISABLED_COMPONENTS, userId); 5105 if (DEBUG_PREFERRED || debug) { 5106 Slog.v(TAG, "Found persistent preferred activity:"); 5107 if (ai != null) { 5108 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5109 } else { 5110 Slog.v(TAG, " null"); 5111 } 5112 } 5113 if (ai == null) { 5114 // This previously registered persistent preferred activity 5115 // component is no longer known. Ignore it and do NOT remove it. 5116 continue; 5117 } 5118 for (int j=0; j<N; j++) { 5119 final ResolveInfo ri = query.get(j); 5120 if (!ri.activityInfo.applicationInfo.packageName 5121 .equals(ai.applicationInfo.packageName)) { 5122 continue; 5123 } 5124 if (!ri.activityInfo.name.equals(ai.name)) { 5125 continue; 5126 } 5127 // Found a persistent preference that can handle the intent. 5128 if (DEBUG_PREFERRED || debug) { 5129 Slog.v(TAG, "Returning persistent preferred activity: " + 5130 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5131 } 5132 return ri; 5133 } 5134 } 5135 } 5136 return null; 5137 } 5138 5139 // TODO: handle preferred activities missing while user has amnesia 5140 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5141 List<ResolveInfo> query, int priority, boolean always, 5142 boolean removeMatches, boolean debug, int userId) { 5143 if (!sUserManager.exists(userId)) return null; 5144 flags = updateFlagsForResolve(flags, userId, intent); 5145 // writer 5146 synchronized (mPackages) { 5147 if (intent.getSelector() != null) { 5148 intent = intent.getSelector(); 5149 } 5150 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5151 5152 // Try to find a matching persistent preferred activity. 5153 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5154 debug, userId); 5155 5156 // If a persistent preferred activity matched, use it. 5157 if (pri != null) { 5158 return pri; 5159 } 5160 5161 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5162 // Get the list of preferred activities that handle the intent 5163 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5164 List<PreferredActivity> prefs = pir != null 5165 ? pir.queryIntent(intent, resolvedType, 5166 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5167 : null; 5168 if (prefs != null && prefs.size() > 0) { 5169 boolean changed = false; 5170 try { 5171 // First figure out how good the original match set is. 5172 // We will only allow preferred activities that came 5173 // from the same match quality. 5174 int match = 0; 5175 5176 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5177 5178 final int N = query.size(); 5179 for (int j=0; j<N; j++) { 5180 final ResolveInfo ri = query.get(j); 5181 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5182 + ": 0x" + Integer.toHexString(match)); 5183 if (ri.match > match) { 5184 match = ri.match; 5185 } 5186 } 5187 5188 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5189 + Integer.toHexString(match)); 5190 5191 match &= IntentFilter.MATCH_CATEGORY_MASK; 5192 final int M = prefs.size(); 5193 for (int i=0; i<M; i++) { 5194 final PreferredActivity pa = prefs.get(i); 5195 if (DEBUG_PREFERRED || debug) { 5196 Slog.v(TAG, "Checking PreferredActivity ds=" 5197 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5198 + "\n component=" + pa.mPref.mComponent); 5199 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5200 } 5201 if (pa.mPref.mMatch != match) { 5202 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5203 + Integer.toHexString(pa.mPref.mMatch)); 5204 continue; 5205 } 5206 // If it's not an "always" type preferred activity and that's what we're 5207 // looking for, skip it. 5208 if (always && !pa.mPref.mAlways) { 5209 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5210 continue; 5211 } 5212 final ActivityInfo ai = getActivityInfo( 5213 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5214 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5215 userId); 5216 if (DEBUG_PREFERRED || debug) { 5217 Slog.v(TAG, "Found preferred activity:"); 5218 if (ai != null) { 5219 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5220 } else { 5221 Slog.v(TAG, " null"); 5222 } 5223 } 5224 if (ai == null) { 5225 // This previously registered preferred activity 5226 // component is no longer known. Most likely an update 5227 // to the app was installed and in the new version this 5228 // component no longer exists. Clean it up by removing 5229 // it from the preferred activities list, and skip it. 5230 Slog.w(TAG, "Removing dangling preferred activity: " 5231 + pa.mPref.mComponent); 5232 pir.removeFilter(pa); 5233 changed = true; 5234 continue; 5235 } 5236 for (int j=0; j<N; j++) { 5237 final ResolveInfo ri = query.get(j); 5238 if (!ri.activityInfo.applicationInfo.packageName 5239 .equals(ai.applicationInfo.packageName)) { 5240 continue; 5241 } 5242 if (!ri.activityInfo.name.equals(ai.name)) { 5243 continue; 5244 } 5245 5246 if (removeMatches) { 5247 pir.removeFilter(pa); 5248 changed = true; 5249 if (DEBUG_PREFERRED) { 5250 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5251 } 5252 break; 5253 } 5254 5255 // Okay we found a previously set preferred or last chosen app. 5256 // If the result set is different from when this 5257 // was created, we need to clear it and re-ask the 5258 // user their preference, if we're looking for an "always" type entry. 5259 if (always && !pa.mPref.sameSet(query)) { 5260 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5261 + intent + " type " + resolvedType); 5262 if (DEBUG_PREFERRED) { 5263 Slog.v(TAG, "Removing preferred activity since set changed " 5264 + pa.mPref.mComponent); 5265 } 5266 pir.removeFilter(pa); 5267 // Re-add the filter as a "last chosen" entry (!always) 5268 PreferredActivity lastChosen = new PreferredActivity( 5269 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5270 pir.addFilter(lastChosen); 5271 changed = true; 5272 return null; 5273 } 5274 5275 // Yay! Either the set matched or we're looking for the last chosen 5276 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5277 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5278 return ri; 5279 } 5280 } 5281 } finally { 5282 if (changed) { 5283 if (DEBUG_PREFERRED) { 5284 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5285 } 5286 scheduleWritePackageRestrictionsLocked(userId); 5287 } 5288 } 5289 } 5290 } 5291 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5292 return null; 5293 } 5294 5295 /* 5296 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5297 */ 5298 @Override 5299 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5300 int targetUserId) { 5301 mContext.enforceCallingOrSelfPermission( 5302 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5303 List<CrossProfileIntentFilter> matches = 5304 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5305 if (matches != null) { 5306 int size = matches.size(); 5307 for (int i = 0; i < size; i++) { 5308 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5309 } 5310 } 5311 if (hasWebURI(intent)) { 5312 // cross-profile app linking works only towards the parent. 5313 final UserInfo parent = getProfileParent(sourceUserId); 5314 synchronized(mPackages) { 5315 int flags = updateFlagsForResolve(0, parent.id, intent); 5316 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5317 intent, resolvedType, flags, sourceUserId, parent.id); 5318 return xpDomainInfo != null; 5319 } 5320 } 5321 return false; 5322 } 5323 5324 private UserInfo getProfileParent(int userId) { 5325 final long identity = Binder.clearCallingIdentity(); 5326 try { 5327 return sUserManager.getProfileParent(userId); 5328 } finally { 5329 Binder.restoreCallingIdentity(identity); 5330 } 5331 } 5332 5333 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5334 String resolvedType, int userId) { 5335 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5336 if (resolver != null) { 5337 return resolver.queryIntent(intent, resolvedType, false, userId); 5338 } 5339 return null; 5340 } 5341 5342 @Override 5343 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5344 String resolvedType, int flags, int userId) { 5345 try { 5346 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5347 5348 return new ParceledListSlice<>( 5349 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5350 } finally { 5351 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5352 } 5353 } 5354 5355 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5356 String resolvedType, int flags, int userId) { 5357 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5358 flags = updateFlagsForResolve(flags, userId, intent); 5359 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5360 false /* requireFullPermission */, false /* checkShell */, 5361 "query intent activities"); 5362 ComponentName comp = intent.getComponent(); 5363 if (comp == null) { 5364 if (intent.getSelector() != null) { 5365 intent = intent.getSelector(); 5366 comp = intent.getComponent(); 5367 } 5368 } 5369 5370 if (comp != null) { 5371 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5372 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5373 if (ai != null) { 5374 final ResolveInfo ri = new ResolveInfo(); 5375 ri.activityInfo = ai; 5376 list.add(ri); 5377 } 5378 return list; 5379 } 5380 5381 // reader 5382 synchronized (mPackages) { 5383 final String pkgName = intent.getPackage(); 5384 if (pkgName == null) { 5385 List<CrossProfileIntentFilter> matchingFilters = 5386 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5387 // Check for results that need to skip the current profile. 5388 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5389 resolvedType, flags, userId); 5390 if (xpResolveInfo != null) { 5391 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5392 result.add(xpResolveInfo); 5393 return filterIfNotSystemUser(result, userId); 5394 } 5395 5396 // Check for results in the current profile. 5397 List<ResolveInfo> result = mActivities.queryIntent( 5398 intent, resolvedType, flags, userId); 5399 result = filterIfNotSystemUser(result, userId); 5400 5401 // Check for cross profile results. 5402 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5403 xpResolveInfo = queryCrossProfileIntents( 5404 matchingFilters, intent, resolvedType, flags, userId, 5405 hasNonNegativePriorityResult); 5406 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5407 boolean isVisibleToUser = filterIfNotSystemUser( 5408 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5409 if (isVisibleToUser) { 5410 result.add(xpResolveInfo); 5411 Collections.sort(result, mResolvePrioritySorter); 5412 } 5413 } 5414 if (hasWebURI(intent)) { 5415 CrossProfileDomainInfo xpDomainInfo = null; 5416 final UserInfo parent = getProfileParent(userId); 5417 if (parent != null) { 5418 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5419 flags, userId, parent.id); 5420 } 5421 if (xpDomainInfo != null) { 5422 if (xpResolveInfo != null) { 5423 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5424 // in the result. 5425 result.remove(xpResolveInfo); 5426 } 5427 if (result.size() == 0) { 5428 result.add(xpDomainInfo.resolveInfo); 5429 return result; 5430 } 5431 } else if (result.size() <= 1) { 5432 return result; 5433 } 5434 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5435 xpDomainInfo, userId); 5436 Collections.sort(result, mResolvePrioritySorter); 5437 } 5438 return result; 5439 } 5440 final PackageParser.Package pkg = mPackages.get(pkgName); 5441 if (pkg != null) { 5442 return filterIfNotSystemUser( 5443 mActivities.queryIntentForPackage( 5444 intent, resolvedType, flags, pkg.activities, userId), 5445 userId); 5446 } 5447 return new ArrayList<ResolveInfo>(); 5448 } 5449 } 5450 5451 private static class CrossProfileDomainInfo { 5452 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5453 ResolveInfo resolveInfo; 5454 /* Best domain verification status of the activities found in the other profile */ 5455 int bestDomainVerificationStatus; 5456 } 5457 5458 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5459 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5460 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5461 sourceUserId)) { 5462 return null; 5463 } 5464 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5465 resolvedType, flags, parentUserId); 5466 5467 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5468 return null; 5469 } 5470 CrossProfileDomainInfo result = null; 5471 int size = resultTargetUser.size(); 5472 for (int i = 0; i < size; i++) { 5473 ResolveInfo riTargetUser = resultTargetUser.get(i); 5474 // Intent filter verification is only for filters that specify a host. So don't return 5475 // those that handle all web uris. 5476 if (riTargetUser.handleAllWebDataURI) { 5477 continue; 5478 } 5479 String packageName = riTargetUser.activityInfo.packageName; 5480 PackageSetting ps = mSettings.mPackages.get(packageName); 5481 if (ps == null) { 5482 continue; 5483 } 5484 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5485 int status = (int)(verificationState >> 32); 5486 if (result == null) { 5487 result = new CrossProfileDomainInfo(); 5488 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5489 sourceUserId, parentUserId); 5490 result.bestDomainVerificationStatus = status; 5491 } else { 5492 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5493 result.bestDomainVerificationStatus); 5494 } 5495 } 5496 // Don't consider matches with status NEVER across profiles. 5497 if (result != null && result.bestDomainVerificationStatus 5498 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5499 return null; 5500 } 5501 return result; 5502 } 5503 5504 /** 5505 * Verification statuses are ordered from the worse to the best, except for 5506 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5507 */ 5508 private int bestDomainVerificationStatus(int status1, int status2) { 5509 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5510 return status2; 5511 } 5512 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5513 return status1; 5514 } 5515 return (int) MathUtils.max(status1, status2); 5516 } 5517 5518 private boolean isUserEnabled(int userId) { 5519 long callingId = Binder.clearCallingIdentity(); 5520 try { 5521 UserInfo userInfo = sUserManager.getUserInfo(userId); 5522 return userInfo != null && userInfo.isEnabled(); 5523 } finally { 5524 Binder.restoreCallingIdentity(callingId); 5525 } 5526 } 5527 5528 /** 5529 * Filter out activities with systemUserOnly flag set, when current user is not System. 5530 * 5531 * @return filtered list 5532 */ 5533 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5534 if (userId == UserHandle.USER_SYSTEM) { 5535 return resolveInfos; 5536 } 5537 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5538 ResolveInfo info = resolveInfos.get(i); 5539 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5540 resolveInfos.remove(i); 5541 } 5542 } 5543 return resolveInfos; 5544 } 5545 5546 /** 5547 * @param resolveInfos list of resolve infos in descending priority order 5548 * @return if the list contains a resolve info with non-negative priority 5549 */ 5550 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5551 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5552 } 5553 5554 private static boolean hasWebURI(Intent intent) { 5555 if (intent.getData() == null) { 5556 return false; 5557 } 5558 final String scheme = intent.getScheme(); 5559 if (TextUtils.isEmpty(scheme)) { 5560 return false; 5561 } 5562 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5563 } 5564 5565 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5566 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5567 int userId) { 5568 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5569 5570 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5571 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5572 candidates.size()); 5573 } 5574 5575 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5576 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5577 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5578 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5579 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5580 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5581 5582 synchronized (mPackages) { 5583 final int count = candidates.size(); 5584 // First, try to use linked apps. Partition the candidates into four lists: 5585 // one for the final results, one for the "do not use ever", one for "undefined status" 5586 // and finally one for "browser app type". 5587 for (int n=0; n<count; n++) { 5588 ResolveInfo info = candidates.get(n); 5589 String packageName = info.activityInfo.packageName; 5590 PackageSetting ps = mSettings.mPackages.get(packageName); 5591 if (ps != null) { 5592 // Add to the special match all list (Browser use case) 5593 if (info.handleAllWebDataURI) { 5594 matchAllList.add(info); 5595 continue; 5596 } 5597 // Try to get the status from User settings first 5598 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5599 int status = (int)(packedStatus >> 32); 5600 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5601 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5602 if (DEBUG_DOMAIN_VERIFICATION) { 5603 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5604 + " : linkgen=" + linkGeneration); 5605 } 5606 // Use link-enabled generation as preferredOrder, i.e. 5607 // prefer newly-enabled over earlier-enabled. 5608 info.preferredOrder = linkGeneration; 5609 alwaysList.add(info); 5610 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5611 if (DEBUG_DOMAIN_VERIFICATION) { 5612 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5613 } 5614 neverList.add(info); 5615 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5616 if (DEBUG_DOMAIN_VERIFICATION) { 5617 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5618 } 5619 alwaysAskList.add(info); 5620 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5621 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5622 if (DEBUG_DOMAIN_VERIFICATION) { 5623 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5624 } 5625 undefinedList.add(info); 5626 } 5627 } 5628 } 5629 5630 // We'll want to include browser possibilities in a few cases 5631 boolean includeBrowser = false; 5632 5633 // First try to add the "always" resolution(s) for the current user, if any 5634 if (alwaysList.size() > 0) { 5635 result.addAll(alwaysList); 5636 } else { 5637 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5638 result.addAll(undefinedList); 5639 // Maybe add one for the other profile. 5640 if (xpDomainInfo != null && ( 5641 xpDomainInfo.bestDomainVerificationStatus 5642 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5643 result.add(xpDomainInfo.resolveInfo); 5644 } 5645 includeBrowser = true; 5646 } 5647 5648 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5649 // If there were 'always' entries their preferred order has been set, so we also 5650 // back that off to make the alternatives equivalent 5651 if (alwaysAskList.size() > 0) { 5652 for (ResolveInfo i : result) { 5653 i.preferredOrder = 0; 5654 } 5655 result.addAll(alwaysAskList); 5656 includeBrowser = true; 5657 } 5658 5659 if (includeBrowser) { 5660 // Also add browsers (all of them or only the default one) 5661 if (DEBUG_DOMAIN_VERIFICATION) { 5662 Slog.v(TAG, " ...including browsers in candidate set"); 5663 } 5664 if ((matchFlags & MATCH_ALL) != 0) { 5665 result.addAll(matchAllList); 5666 } else { 5667 // Browser/generic handling case. If there's a default browser, go straight 5668 // to that (but only if there is no other higher-priority match). 5669 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5670 int maxMatchPrio = 0; 5671 ResolveInfo defaultBrowserMatch = null; 5672 final int numCandidates = matchAllList.size(); 5673 for (int n = 0; n < numCandidates; n++) { 5674 ResolveInfo info = matchAllList.get(n); 5675 // track the highest overall match priority... 5676 if (info.priority > maxMatchPrio) { 5677 maxMatchPrio = info.priority; 5678 } 5679 // ...and the highest-priority default browser match 5680 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5681 if (defaultBrowserMatch == null 5682 || (defaultBrowserMatch.priority < info.priority)) { 5683 if (debug) { 5684 Slog.v(TAG, "Considering default browser match " + info); 5685 } 5686 defaultBrowserMatch = info; 5687 } 5688 } 5689 } 5690 if (defaultBrowserMatch != null 5691 && defaultBrowserMatch.priority >= maxMatchPrio 5692 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5693 { 5694 if (debug) { 5695 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5696 } 5697 result.add(defaultBrowserMatch); 5698 } else { 5699 result.addAll(matchAllList); 5700 } 5701 } 5702 5703 // If there is nothing selected, add all candidates and remove the ones that the user 5704 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5705 if (result.size() == 0) { 5706 result.addAll(candidates); 5707 result.removeAll(neverList); 5708 } 5709 } 5710 } 5711 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5712 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5713 result.size()); 5714 for (ResolveInfo info : result) { 5715 Slog.v(TAG, " + " + info.activityInfo); 5716 } 5717 } 5718 return result; 5719 } 5720 5721 // Returns a packed value as a long: 5722 // 5723 // high 'int'-sized word: link status: undefined/ask/never/always. 5724 // low 'int'-sized word: relative priority among 'always' results. 5725 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5726 long result = ps.getDomainVerificationStatusForUser(userId); 5727 // if none available, get the master status 5728 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5729 if (ps.getIntentFilterVerificationInfo() != null) { 5730 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5731 } 5732 } 5733 return result; 5734 } 5735 5736 private ResolveInfo querySkipCurrentProfileIntents( 5737 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5738 int flags, int sourceUserId) { 5739 if (matchingFilters != null) { 5740 int size = matchingFilters.size(); 5741 for (int i = 0; i < size; i ++) { 5742 CrossProfileIntentFilter filter = matchingFilters.get(i); 5743 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5744 // Checking if there are activities in the target user that can handle the 5745 // intent. 5746 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5747 resolvedType, flags, sourceUserId); 5748 if (resolveInfo != null) { 5749 return resolveInfo; 5750 } 5751 } 5752 } 5753 } 5754 return null; 5755 } 5756 5757 // Return matching ResolveInfo in target user if any. 5758 private ResolveInfo queryCrossProfileIntents( 5759 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5760 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5761 if (matchingFilters != null) { 5762 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5763 // match the same intent. For performance reasons, it is better not to 5764 // run queryIntent twice for the same userId 5765 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5766 int size = matchingFilters.size(); 5767 for (int i = 0; i < size; i++) { 5768 CrossProfileIntentFilter filter = matchingFilters.get(i); 5769 int targetUserId = filter.getTargetUserId(); 5770 boolean skipCurrentProfile = 5771 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5772 boolean skipCurrentProfileIfNoMatchFound = 5773 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5774 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5775 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5776 // Checking if there are activities in the target user that can handle the 5777 // intent. 5778 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5779 resolvedType, flags, sourceUserId); 5780 if (resolveInfo != null) return resolveInfo; 5781 alreadyTriedUserIds.put(targetUserId, true); 5782 } 5783 } 5784 } 5785 return null; 5786 } 5787 5788 /** 5789 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5790 * will forward the intent to the filter's target user. 5791 * Otherwise, returns null. 5792 */ 5793 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5794 String resolvedType, int flags, int sourceUserId) { 5795 int targetUserId = filter.getTargetUserId(); 5796 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5797 resolvedType, flags, targetUserId); 5798 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5799 // If all the matches in the target profile are suspended, return null. 5800 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5801 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5802 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5803 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5804 targetUserId); 5805 } 5806 } 5807 } 5808 return null; 5809 } 5810 5811 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5812 int sourceUserId, int targetUserId) { 5813 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5814 long ident = Binder.clearCallingIdentity(); 5815 boolean targetIsProfile; 5816 try { 5817 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5818 } finally { 5819 Binder.restoreCallingIdentity(ident); 5820 } 5821 String className; 5822 if (targetIsProfile) { 5823 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5824 } else { 5825 className = FORWARD_INTENT_TO_PARENT; 5826 } 5827 ComponentName forwardingActivityComponentName = new ComponentName( 5828 mAndroidApplication.packageName, className); 5829 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5830 sourceUserId); 5831 if (!targetIsProfile) { 5832 forwardingActivityInfo.showUserIcon = targetUserId; 5833 forwardingResolveInfo.noResourceId = true; 5834 } 5835 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5836 forwardingResolveInfo.priority = 0; 5837 forwardingResolveInfo.preferredOrder = 0; 5838 forwardingResolveInfo.match = 0; 5839 forwardingResolveInfo.isDefault = true; 5840 forwardingResolveInfo.filter = filter; 5841 forwardingResolveInfo.targetUserId = targetUserId; 5842 return forwardingResolveInfo; 5843 } 5844 5845 @Override 5846 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5847 Intent[] specifics, String[] specificTypes, Intent intent, 5848 String resolvedType, int flags, int userId) { 5849 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5850 specificTypes, intent, resolvedType, flags, userId)); 5851 } 5852 5853 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5854 Intent[] specifics, String[] specificTypes, Intent intent, 5855 String resolvedType, int flags, int userId) { 5856 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5857 flags = updateFlagsForResolve(flags, userId, intent); 5858 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5859 false /* requireFullPermission */, false /* checkShell */, 5860 "query intent activity options"); 5861 final String resultsAction = intent.getAction(); 5862 5863 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5864 | PackageManager.GET_RESOLVED_FILTER, userId); 5865 5866 if (DEBUG_INTENT_MATCHING) { 5867 Log.v(TAG, "Query " + intent + ": " + results); 5868 } 5869 5870 int specificsPos = 0; 5871 int N; 5872 5873 // todo: note that the algorithm used here is O(N^2). This 5874 // isn't a problem in our current environment, but if we start running 5875 // into situations where we have more than 5 or 10 matches then this 5876 // should probably be changed to something smarter... 5877 5878 // First we go through and resolve each of the specific items 5879 // that were supplied, taking care of removing any corresponding 5880 // duplicate items in the generic resolve list. 5881 if (specifics != null) { 5882 for (int i=0; i<specifics.length; i++) { 5883 final Intent sintent = specifics[i]; 5884 if (sintent == null) { 5885 continue; 5886 } 5887 5888 if (DEBUG_INTENT_MATCHING) { 5889 Log.v(TAG, "Specific #" + i + ": " + sintent); 5890 } 5891 5892 String action = sintent.getAction(); 5893 if (resultsAction != null && resultsAction.equals(action)) { 5894 // If this action was explicitly requested, then don't 5895 // remove things that have it. 5896 action = null; 5897 } 5898 5899 ResolveInfo ri = null; 5900 ActivityInfo ai = null; 5901 5902 ComponentName comp = sintent.getComponent(); 5903 if (comp == null) { 5904 ri = resolveIntent( 5905 sintent, 5906 specificTypes != null ? specificTypes[i] : null, 5907 flags, userId); 5908 if (ri == null) { 5909 continue; 5910 } 5911 if (ri == mResolveInfo) { 5912 // ACK! Must do something better with this. 5913 } 5914 ai = ri.activityInfo; 5915 comp = new ComponentName(ai.applicationInfo.packageName, 5916 ai.name); 5917 } else { 5918 ai = getActivityInfo(comp, flags, userId); 5919 if (ai == null) { 5920 continue; 5921 } 5922 } 5923 5924 // Look for any generic query activities that are duplicates 5925 // of this specific one, and remove them from the results. 5926 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5927 N = results.size(); 5928 int j; 5929 for (j=specificsPos; j<N; j++) { 5930 ResolveInfo sri = results.get(j); 5931 if ((sri.activityInfo.name.equals(comp.getClassName()) 5932 && sri.activityInfo.applicationInfo.packageName.equals( 5933 comp.getPackageName())) 5934 || (action != null && sri.filter.matchAction(action))) { 5935 results.remove(j); 5936 if (DEBUG_INTENT_MATCHING) Log.v( 5937 TAG, "Removing duplicate item from " + j 5938 + " due to specific " + specificsPos); 5939 if (ri == null) { 5940 ri = sri; 5941 } 5942 j--; 5943 N--; 5944 } 5945 } 5946 5947 // Add this specific item to its proper place. 5948 if (ri == null) { 5949 ri = new ResolveInfo(); 5950 ri.activityInfo = ai; 5951 } 5952 results.add(specificsPos, ri); 5953 ri.specificIndex = i; 5954 specificsPos++; 5955 } 5956 } 5957 5958 // Now we go through the remaining generic results and remove any 5959 // duplicate actions that are found here. 5960 N = results.size(); 5961 for (int i=specificsPos; i<N-1; i++) { 5962 final ResolveInfo rii = results.get(i); 5963 if (rii.filter == null) { 5964 continue; 5965 } 5966 5967 // Iterate over all of the actions of this result's intent 5968 // filter... typically this should be just one. 5969 final Iterator<String> it = rii.filter.actionsIterator(); 5970 if (it == null) { 5971 continue; 5972 } 5973 while (it.hasNext()) { 5974 final String action = it.next(); 5975 if (resultsAction != null && resultsAction.equals(action)) { 5976 // If this action was explicitly requested, then don't 5977 // remove things that have it. 5978 continue; 5979 } 5980 for (int j=i+1; j<N; j++) { 5981 final ResolveInfo rij = results.get(j); 5982 if (rij.filter != null && rij.filter.hasAction(action)) { 5983 results.remove(j); 5984 if (DEBUG_INTENT_MATCHING) Log.v( 5985 TAG, "Removing duplicate item from " + j 5986 + " due to action " + action + " at " + i); 5987 j--; 5988 N--; 5989 } 5990 } 5991 } 5992 5993 // If the caller didn't request filter information, drop it now 5994 // so we don't have to marshall/unmarshall it. 5995 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5996 rii.filter = null; 5997 } 5998 } 5999 6000 // Filter out the caller activity if so requested. 6001 if (caller != null) { 6002 N = results.size(); 6003 for (int i=0; i<N; i++) { 6004 ActivityInfo ainfo = results.get(i).activityInfo; 6005 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6006 && caller.getClassName().equals(ainfo.name)) { 6007 results.remove(i); 6008 break; 6009 } 6010 } 6011 } 6012 6013 // If the caller didn't request filter information, 6014 // drop them now so we don't have to 6015 // marshall/unmarshall it. 6016 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6017 N = results.size(); 6018 for (int i=0; i<N; i++) { 6019 results.get(i).filter = null; 6020 } 6021 } 6022 6023 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6024 return results; 6025 } 6026 6027 @Override 6028 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6029 String resolvedType, int flags, int userId) { 6030 return new ParceledListSlice<>( 6031 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6032 } 6033 6034 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6035 String resolvedType, int flags, int userId) { 6036 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6037 flags = updateFlagsForResolve(flags, userId, intent); 6038 ComponentName comp = intent.getComponent(); 6039 if (comp == null) { 6040 if (intent.getSelector() != null) { 6041 intent = intent.getSelector(); 6042 comp = intent.getComponent(); 6043 } 6044 } 6045 if (comp != null) { 6046 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6047 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6048 if (ai != null) { 6049 ResolveInfo ri = new ResolveInfo(); 6050 ri.activityInfo = ai; 6051 list.add(ri); 6052 } 6053 return list; 6054 } 6055 6056 // reader 6057 synchronized (mPackages) { 6058 String pkgName = intent.getPackage(); 6059 if (pkgName == null) { 6060 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6061 } 6062 final PackageParser.Package pkg = mPackages.get(pkgName); 6063 if (pkg != null) { 6064 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6065 userId); 6066 } 6067 return Collections.emptyList(); 6068 } 6069 } 6070 6071 @Override 6072 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6073 if (!sUserManager.exists(userId)) return null; 6074 flags = updateFlagsForResolve(flags, userId, intent); 6075 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6076 if (query != null) { 6077 if (query.size() >= 1) { 6078 // If there is more than one service with the same priority, 6079 // just arbitrarily pick the first one. 6080 return query.get(0); 6081 } 6082 } 6083 return null; 6084 } 6085 6086 @Override 6087 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6088 String resolvedType, int flags, int userId) { 6089 return new ParceledListSlice<>( 6090 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6091 } 6092 6093 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6094 String resolvedType, int flags, int userId) { 6095 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6096 flags = updateFlagsForResolve(flags, userId, intent); 6097 ComponentName comp = intent.getComponent(); 6098 if (comp == null) { 6099 if (intent.getSelector() != null) { 6100 intent = intent.getSelector(); 6101 comp = intent.getComponent(); 6102 } 6103 } 6104 if (comp != null) { 6105 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6106 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6107 if (si != null) { 6108 final ResolveInfo ri = new ResolveInfo(); 6109 ri.serviceInfo = si; 6110 list.add(ri); 6111 } 6112 return list; 6113 } 6114 6115 // reader 6116 synchronized (mPackages) { 6117 String pkgName = intent.getPackage(); 6118 if (pkgName == null) { 6119 return mServices.queryIntent(intent, resolvedType, flags, userId); 6120 } 6121 final PackageParser.Package pkg = mPackages.get(pkgName); 6122 if (pkg != null) { 6123 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6124 userId); 6125 } 6126 return Collections.emptyList(); 6127 } 6128 } 6129 6130 @Override 6131 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6132 String resolvedType, int flags, int userId) { 6133 return new ParceledListSlice<>( 6134 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6135 } 6136 6137 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6138 Intent intent, String resolvedType, int flags, int userId) { 6139 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6140 flags = updateFlagsForResolve(flags, userId, intent); 6141 ComponentName comp = intent.getComponent(); 6142 if (comp == null) { 6143 if (intent.getSelector() != null) { 6144 intent = intent.getSelector(); 6145 comp = intent.getComponent(); 6146 } 6147 } 6148 if (comp != null) { 6149 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6150 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6151 if (pi != null) { 6152 final ResolveInfo ri = new ResolveInfo(); 6153 ri.providerInfo = pi; 6154 list.add(ri); 6155 } 6156 return list; 6157 } 6158 6159 // reader 6160 synchronized (mPackages) { 6161 String pkgName = intent.getPackage(); 6162 if (pkgName == null) { 6163 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6164 } 6165 final PackageParser.Package pkg = mPackages.get(pkgName); 6166 if (pkg != null) { 6167 return mProviders.queryIntentForPackage( 6168 intent, resolvedType, flags, pkg.providers, userId); 6169 } 6170 return Collections.emptyList(); 6171 } 6172 } 6173 6174 @Override 6175 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6176 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6177 flags = updateFlagsForPackage(flags, userId, null); 6178 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6179 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6180 true /* requireFullPermission */, false /* checkShell */, 6181 "get installed packages"); 6182 6183 // writer 6184 synchronized (mPackages) { 6185 ArrayList<PackageInfo> list; 6186 if (listUninstalled) { 6187 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6188 for (PackageSetting ps : mSettings.mPackages.values()) { 6189 final PackageInfo pi; 6190 if (ps.pkg != null) { 6191 pi = generatePackageInfo(ps, flags, userId); 6192 } else { 6193 pi = generatePackageInfo(ps, flags, userId); 6194 } 6195 if (pi != null) { 6196 list.add(pi); 6197 } 6198 } 6199 } else { 6200 list = new ArrayList<PackageInfo>(mPackages.size()); 6201 for (PackageParser.Package p : mPackages.values()) { 6202 final PackageInfo pi = 6203 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6204 if (pi != null) { 6205 list.add(pi); 6206 } 6207 } 6208 } 6209 6210 return new ParceledListSlice<PackageInfo>(list); 6211 } 6212 } 6213 6214 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6215 String[] permissions, boolean[] tmp, int flags, int userId) { 6216 int numMatch = 0; 6217 final PermissionsState permissionsState = ps.getPermissionsState(); 6218 for (int i=0; i<permissions.length; i++) { 6219 final String permission = permissions[i]; 6220 if (permissionsState.hasPermission(permission, userId)) { 6221 tmp[i] = true; 6222 numMatch++; 6223 } else { 6224 tmp[i] = false; 6225 } 6226 } 6227 if (numMatch == 0) { 6228 return; 6229 } 6230 final PackageInfo pi; 6231 if (ps.pkg != null) { 6232 pi = generatePackageInfo(ps, flags, userId); 6233 } else { 6234 pi = generatePackageInfo(ps, flags, userId); 6235 } 6236 // The above might return null in cases of uninstalled apps or install-state 6237 // skew across users/profiles. 6238 if (pi != null) { 6239 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6240 if (numMatch == permissions.length) { 6241 pi.requestedPermissions = permissions; 6242 } else { 6243 pi.requestedPermissions = new String[numMatch]; 6244 numMatch = 0; 6245 for (int i=0; i<permissions.length; i++) { 6246 if (tmp[i]) { 6247 pi.requestedPermissions[numMatch] = permissions[i]; 6248 numMatch++; 6249 } 6250 } 6251 } 6252 } 6253 list.add(pi); 6254 } 6255 } 6256 6257 @Override 6258 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6259 String[] permissions, int flags, int userId) { 6260 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6261 flags = updateFlagsForPackage(flags, userId, permissions); 6262 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6263 6264 // writer 6265 synchronized (mPackages) { 6266 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6267 boolean[] tmpBools = new boolean[permissions.length]; 6268 if (listUninstalled) { 6269 for (PackageSetting ps : mSettings.mPackages.values()) { 6270 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6271 } 6272 } else { 6273 for (PackageParser.Package pkg : mPackages.values()) { 6274 PackageSetting ps = (PackageSetting)pkg.mExtras; 6275 if (ps != null) { 6276 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6277 userId); 6278 } 6279 } 6280 } 6281 6282 return new ParceledListSlice<PackageInfo>(list); 6283 } 6284 } 6285 6286 @Override 6287 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6288 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6289 flags = updateFlagsForApplication(flags, userId, null); 6290 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6291 6292 // writer 6293 synchronized (mPackages) { 6294 ArrayList<ApplicationInfo> list; 6295 if (listUninstalled) { 6296 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6297 for (PackageSetting ps : mSettings.mPackages.values()) { 6298 ApplicationInfo ai; 6299 if (ps.pkg != null) { 6300 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6301 ps.readUserState(userId), userId); 6302 } else { 6303 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6304 } 6305 if (ai != null) { 6306 list.add(ai); 6307 } 6308 } 6309 } else { 6310 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6311 for (PackageParser.Package p : mPackages.values()) { 6312 if (p.mExtras != null) { 6313 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6314 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6315 if (ai != null) { 6316 list.add(ai); 6317 } 6318 } 6319 } 6320 } 6321 6322 return new ParceledListSlice<ApplicationInfo>(list); 6323 } 6324 } 6325 6326 @Override 6327 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6328 if (DISABLE_EPHEMERAL_APPS) { 6329 return null; 6330 } 6331 6332 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6333 "getEphemeralApplications"); 6334 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6335 true /* requireFullPermission */, false /* checkShell */, 6336 "getEphemeralApplications"); 6337 synchronized (mPackages) { 6338 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6339 .getEphemeralApplicationsLPw(userId); 6340 if (ephemeralApps != null) { 6341 return new ParceledListSlice<>(ephemeralApps); 6342 } 6343 } 6344 return null; 6345 } 6346 6347 @Override 6348 public boolean isEphemeralApplication(String packageName, int userId) { 6349 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6350 true /* requireFullPermission */, false /* checkShell */, 6351 "isEphemeral"); 6352 if (DISABLE_EPHEMERAL_APPS) { 6353 return false; 6354 } 6355 6356 if (!isCallerSameApp(packageName)) { 6357 return false; 6358 } 6359 synchronized (mPackages) { 6360 PackageParser.Package pkg = mPackages.get(packageName); 6361 if (pkg != null) { 6362 return pkg.applicationInfo.isEphemeralApp(); 6363 } 6364 } 6365 return false; 6366 } 6367 6368 @Override 6369 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6370 if (DISABLE_EPHEMERAL_APPS) { 6371 return null; 6372 } 6373 6374 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6375 true /* requireFullPermission */, false /* checkShell */, 6376 "getCookie"); 6377 if (!isCallerSameApp(packageName)) { 6378 return null; 6379 } 6380 synchronized (mPackages) { 6381 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6382 packageName, userId); 6383 } 6384 } 6385 6386 @Override 6387 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6388 if (DISABLE_EPHEMERAL_APPS) { 6389 return true; 6390 } 6391 6392 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6393 true /* requireFullPermission */, true /* checkShell */, 6394 "setCookie"); 6395 if (!isCallerSameApp(packageName)) { 6396 return false; 6397 } 6398 synchronized (mPackages) { 6399 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6400 packageName, cookie, userId); 6401 } 6402 } 6403 6404 @Override 6405 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6406 if (DISABLE_EPHEMERAL_APPS) { 6407 return null; 6408 } 6409 6410 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6411 "getEphemeralApplicationIcon"); 6412 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6413 true /* requireFullPermission */, false /* checkShell */, 6414 "getEphemeralApplicationIcon"); 6415 synchronized (mPackages) { 6416 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6417 packageName, userId); 6418 } 6419 } 6420 6421 private boolean isCallerSameApp(String packageName) { 6422 PackageParser.Package pkg = mPackages.get(packageName); 6423 return pkg != null 6424 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6425 } 6426 6427 @Override 6428 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6429 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6430 } 6431 6432 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6433 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6434 6435 // reader 6436 synchronized (mPackages) { 6437 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6438 final int userId = UserHandle.getCallingUserId(); 6439 while (i.hasNext()) { 6440 final PackageParser.Package p = i.next(); 6441 if (p.applicationInfo == null) continue; 6442 6443 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6444 && !p.applicationInfo.isDirectBootAware(); 6445 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6446 && p.applicationInfo.isDirectBootAware(); 6447 6448 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6449 && (!mSafeMode || isSystemApp(p)) 6450 && (matchesUnaware || matchesAware)) { 6451 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6452 if (ps != null) { 6453 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6454 ps.readUserState(userId), userId); 6455 if (ai != null) { 6456 finalList.add(ai); 6457 } 6458 } 6459 } 6460 } 6461 } 6462 6463 return finalList; 6464 } 6465 6466 @Override 6467 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6468 if (!sUserManager.exists(userId)) return null; 6469 flags = updateFlagsForComponent(flags, userId, name); 6470 // reader 6471 synchronized (mPackages) { 6472 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6473 PackageSetting ps = provider != null 6474 ? mSettings.mPackages.get(provider.owner.packageName) 6475 : null; 6476 return ps != null 6477 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6478 ? PackageParser.generateProviderInfo(provider, flags, 6479 ps.readUserState(userId), userId) 6480 : null; 6481 } 6482 } 6483 6484 /** 6485 * @deprecated 6486 */ 6487 @Deprecated 6488 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6489 // reader 6490 synchronized (mPackages) { 6491 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6492 .entrySet().iterator(); 6493 final int userId = UserHandle.getCallingUserId(); 6494 while (i.hasNext()) { 6495 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6496 PackageParser.Provider p = entry.getValue(); 6497 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6498 6499 if (ps != null && p.syncable 6500 && (!mSafeMode || (p.info.applicationInfo.flags 6501 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6502 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6503 ps.readUserState(userId), userId); 6504 if (info != null) { 6505 outNames.add(entry.getKey()); 6506 outInfo.add(info); 6507 } 6508 } 6509 } 6510 } 6511 } 6512 6513 @Override 6514 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6515 int uid, int flags) { 6516 final int userId = processName != null ? UserHandle.getUserId(uid) 6517 : UserHandle.getCallingUserId(); 6518 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6519 flags = updateFlagsForComponent(flags, userId, processName); 6520 6521 ArrayList<ProviderInfo> finalList = null; 6522 // reader 6523 synchronized (mPackages) { 6524 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6525 while (i.hasNext()) { 6526 final PackageParser.Provider p = i.next(); 6527 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6528 if (ps != null && p.info.authority != null 6529 && (processName == null 6530 || (p.info.processName.equals(processName) 6531 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6532 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6533 if (finalList == null) { 6534 finalList = new ArrayList<ProviderInfo>(3); 6535 } 6536 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6537 ps.readUserState(userId), userId); 6538 if (info != null) { 6539 finalList.add(info); 6540 } 6541 } 6542 } 6543 } 6544 6545 if (finalList != null) { 6546 Collections.sort(finalList, mProviderInitOrderSorter); 6547 return new ParceledListSlice<ProviderInfo>(finalList); 6548 } 6549 6550 return ParceledListSlice.emptyList(); 6551 } 6552 6553 @Override 6554 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6555 // reader 6556 synchronized (mPackages) { 6557 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6558 return PackageParser.generateInstrumentationInfo(i, flags); 6559 } 6560 } 6561 6562 @Override 6563 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6564 String targetPackage, int flags) { 6565 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6566 } 6567 6568 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6569 int flags) { 6570 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6571 6572 // reader 6573 synchronized (mPackages) { 6574 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6575 while (i.hasNext()) { 6576 final PackageParser.Instrumentation p = i.next(); 6577 if (targetPackage == null 6578 || targetPackage.equals(p.info.targetPackage)) { 6579 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6580 flags); 6581 if (ii != null) { 6582 finalList.add(ii); 6583 } 6584 } 6585 } 6586 } 6587 6588 return finalList; 6589 } 6590 6591 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6592 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6593 if (overlays == null) { 6594 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6595 return; 6596 } 6597 for (PackageParser.Package opkg : overlays.values()) { 6598 // Not much to do if idmap fails: we already logged the error 6599 // and we certainly don't want to abort installation of pkg simply 6600 // because an overlay didn't fit properly. For these reasons, 6601 // ignore the return value of createIdmapForPackagePairLI. 6602 createIdmapForPackagePairLI(pkg, opkg); 6603 } 6604 } 6605 6606 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6607 PackageParser.Package opkg) { 6608 if (!opkg.mTrustedOverlay) { 6609 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6610 opkg.baseCodePath + ": overlay not trusted"); 6611 return false; 6612 } 6613 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6614 if (overlaySet == null) { 6615 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6616 opkg.baseCodePath + " but target package has no known overlays"); 6617 return false; 6618 } 6619 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6620 // TODO: generate idmap for split APKs 6621 try { 6622 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6623 } catch (InstallerException e) { 6624 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6625 + opkg.baseCodePath); 6626 return false; 6627 } 6628 PackageParser.Package[] overlayArray = 6629 overlaySet.values().toArray(new PackageParser.Package[0]); 6630 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6631 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6632 return p1.mOverlayPriority - p2.mOverlayPriority; 6633 } 6634 }; 6635 Arrays.sort(overlayArray, cmp); 6636 6637 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6638 int i = 0; 6639 for (PackageParser.Package p : overlayArray) { 6640 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6641 } 6642 return true; 6643 } 6644 6645 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6646 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6647 try { 6648 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6649 } finally { 6650 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6651 } 6652 } 6653 6654 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6655 final File[] files = dir.listFiles(); 6656 if (ArrayUtils.isEmpty(files)) { 6657 Log.d(TAG, "No files in app dir " + dir); 6658 return; 6659 } 6660 6661 if (DEBUG_PACKAGE_SCANNING) { 6662 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6663 + " flags=0x" + Integer.toHexString(parseFlags)); 6664 } 6665 6666 for (File file : files) { 6667 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6668 && !PackageInstallerService.isStageName(file.getName()); 6669 if (!isPackage) { 6670 // Ignore entries which are not packages 6671 continue; 6672 } 6673 try { 6674 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6675 scanFlags, currentTime, null); 6676 } catch (PackageManagerException e) { 6677 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6678 6679 // Delete invalid userdata apps 6680 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6681 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6682 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6683 removeCodePathLI(file); 6684 } 6685 } 6686 } 6687 } 6688 6689 private static File getSettingsProblemFile() { 6690 File dataDir = Environment.getDataDirectory(); 6691 File systemDir = new File(dataDir, "system"); 6692 File fname = new File(systemDir, "uiderrors.txt"); 6693 return fname; 6694 } 6695 6696 static void reportSettingsProblem(int priority, String msg) { 6697 logCriticalInfo(priority, msg); 6698 } 6699 6700 static void logCriticalInfo(int priority, String msg) { 6701 Slog.println(priority, TAG, msg); 6702 EventLogTags.writePmCriticalInfo(msg); 6703 try { 6704 File fname = getSettingsProblemFile(); 6705 FileOutputStream out = new FileOutputStream(fname, true); 6706 PrintWriter pw = new FastPrintWriter(out); 6707 SimpleDateFormat formatter = new SimpleDateFormat(); 6708 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6709 pw.println(dateString + ": " + msg); 6710 pw.close(); 6711 FileUtils.setPermissions( 6712 fname.toString(), 6713 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6714 -1, -1); 6715 } catch (java.io.IOException e) { 6716 } 6717 } 6718 6719 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6720 final int policyFlags) throws PackageManagerException { 6721 if (ps != null 6722 && ps.codePath.equals(srcFile) 6723 && ps.timeStamp == srcFile.lastModified() 6724 && !isCompatSignatureUpdateNeeded(pkg) 6725 && !isRecoverSignatureUpdateNeeded(pkg)) { 6726 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6727 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6728 ArraySet<PublicKey> signingKs; 6729 synchronized (mPackages) { 6730 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6731 } 6732 if (ps.signatures.mSignatures != null 6733 && ps.signatures.mSignatures.length != 0 6734 && signingKs != null) { 6735 // Optimization: reuse the existing cached certificates 6736 // if the package appears to be unchanged. 6737 pkg.mSignatures = ps.signatures.mSignatures; 6738 pkg.mSigningKeys = signingKs; 6739 return; 6740 } 6741 6742 Slog.w(TAG, "PackageSetting for " + ps.name 6743 + " is missing signatures. Collecting certs again to recover them."); 6744 } else { 6745 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6746 } 6747 6748 try { 6749 PackageParser.collectCertificates(pkg, policyFlags); 6750 } catch (PackageParserException e) { 6751 throw PackageManagerException.from(e); 6752 } 6753 } 6754 6755 /** 6756 * Traces a package scan. 6757 * @see #scanPackageLI(File, int, int, long, UserHandle) 6758 */ 6759 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6760 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6761 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6762 try { 6763 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6764 } finally { 6765 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6766 } 6767 } 6768 6769 /** 6770 * Scans a package and returns the newly parsed package. 6771 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6772 */ 6773 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6774 long currentTime, UserHandle user) throws PackageManagerException { 6775 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6776 PackageParser pp = new PackageParser(); 6777 pp.setSeparateProcesses(mSeparateProcesses); 6778 pp.setOnlyCoreApps(mOnlyCore); 6779 pp.setDisplayMetrics(mMetrics); 6780 6781 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6782 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6783 } 6784 6785 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6786 final PackageParser.Package pkg; 6787 try { 6788 pkg = pp.parsePackage(scanFile, parseFlags); 6789 } catch (PackageParserException e) { 6790 throw PackageManagerException.from(e); 6791 } finally { 6792 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6793 } 6794 6795 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6796 } 6797 6798 /** 6799 * Scans a package and returns the newly parsed package. 6800 * @throws PackageManagerException on a parse error. 6801 */ 6802 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6803 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6804 throws PackageManagerException { 6805 // If the package has children and this is the first dive in the function 6806 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6807 // packages (parent and children) would be successfully scanned before the 6808 // actual scan since scanning mutates internal state and we want to atomically 6809 // install the package and its children. 6810 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6811 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6812 scanFlags |= SCAN_CHECK_ONLY; 6813 } 6814 } else { 6815 scanFlags &= ~SCAN_CHECK_ONLY; 6816 } 6817 6818 // Scan the parent 6819 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6820 scanFlags, currentTime, user); 6821 6822 // Scan the children 6823 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6824 for (int i = 0; i < childCount; i++) { 6825 PackageParser.Package childPackage = pkg.childPackages.get(i); 6826 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6827 currentTime, user); 6828 } 6829 6830 6831 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6832 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6833 } 6834 6835 return scannedPkg; 6836 } 6837 6838 /** 6839 * Scans a package and returns the newly parsed package. 6840 * @throws PackageManagerException on a parse error. 6841 */ 6842 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6843 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6844 throws PackageManagerException { 6845 PackageSetting ps = null; 6846 PackageSetting updatedPkg; 6847 // reader 6848 synchronized (mPackages) { 6849 // Look to see if we already know about this package. 6850 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6851 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6852 // This package has been renamed to its original name. Let's 6853 // use that. 6854 ps = mSettings.peekPackageLPr(oldName); 6855 } 6856 // If there was no original package, see one for the real package name. 6857 if (ps == null) { 6858 ps = mSettings.peekPackageLPr(pkg.packageName); 6859 } 6860 // Check to see if this package could be hiding/updating a system 6861 // package. Must look for it either under the original or real 6862 // package name depending on our state. 6863 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6864 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6865 6866 // If this is a package we don't know about on the system partition, we 6867 // may need to remove disabled child packages on the system partition 6868 // or may need to not add child packages if the parent apk is updated 6869 // on the data partition and no longer defines this child package. 6870 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6871 // If this is a parent package for an updated system app and this system 6872 // app got an OTA update which no longer defines some of the child packages 6873 // we have to prune them from the disabled system packages. 6874 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6875 if (disabledPs != null) { 6876 final int scannedChildCount = (pkg.childPackages != null) 6877 ? pkg.childPackages.size() : 0; 6878 final int disabledChildCount = disabledPs.childPackageNames != null 6879 ? disabledPs.childPackageNames.size() : 0; 6880 for (int i = 0; i < disabledChildCount; i++) { 6881 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6882 boolean disabledPackageAvailable = false; 6883 for (int j = 0; j < scannedChildCount; j++) { 6884 PackageParser.Package childPkg = pkg.childPackages.get(j); 6885 if (childPkg.packageName.equals(disabledChildPackageName)) { 6886 disabledPackageAvailable = true; 6887 break; 6888 } 6889 } 6890 if (!disabledPackageAvailable) { 6891 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6892 } 6893 } 6894 } 6895 } 6896 } 6897 6898 boolean updatedPkgBetter = false; 6899 // First check if this is a system package that may involve an update 6900 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6901 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6902 // it needs to drop FLAG_PRIVILEGED. 6903 if (locationIsPrivileged(scanFile)) { 6904 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6905 } else { 6906 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6907 } 6908 6909 if (ps != null && !ps.codePath.equals(scanFile)) { 6910 // The path has changed from what was last scanned... check the 6911 // version of the new path against what we have stored to determine 6912 // what to do. 6913 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6914 if (pkg.mVersionCode <= ps.versionCode) { 6915 // The system package has been updated and the code path does not match 6916 // Ignore entry. Skip it. 6917 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6918 + " ignored: updated version " + ps.versionCode 6919 + " better than this " + pkg.mVersionCode); 6920 if (!updatedPkg.codePath.equals(scanFile)) { 6921 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6922 + ps.name + " changing from " + updatedPkg.codePathString 6923 + " to " + scanFile); 6924 updatedPkg.codePath = scanFile; 6925 updatedPkg.codePathString = scanFile.toString(); 6926 updatedPkg.resourcePath = scanFile; 6927 updatedPkg.resourcePathString = scanFile.toString(); 6928 } 6929 updatedPkg.pkg = pkg; 6930 updatedPkg.versionCode = pkg.mVersionCode; 6931 6932 // Update the disabled system child packages to point to the package too. 6933 final int childCount = updatedPkg.childPackageNames != null 6934 ? updatedPkg.childPackageNames.size() : 0; 6935 for (int i = 0; i < childCount; i++) { 6936 String childPackageName = updatedPkg.childPackageNames.get(i); 6937 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6938 childPackageName); 6939 if (updatedChildPkg != null) { 6940 updatedChildPkg.pkg = pkg; 6941 updatedChildPkg.versionCode = pkg.mVersionCode; 6942 } 6943 } 6944 6945 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6946 + scanFile + " ignored: updated version " + ps.versionCode 6947 + " better than this " + pkg.mVersionCode); 6948 } else { 6949 // The current app on the system partition is better than 6950 // what we have updated to on the data partition; switch 6951 // back to the system partition version. 6952 // At this point, its safely assumed that package installation for 6953 // apps in system partition will go through. If not there won't be a working 6954 // version of the app 6955 // writer 6956 synchronized (mPackages) { 6957 // Just remove the loaded entries from package lists. 6958 mPackages.remove(ps.name); 6959 } 6960 6961 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6962 + " reverting from " + ps.codePathString 6963 + ": new version " + pkg.mVersionCode 6964 + " better than installed " + ps.versionCode); 6965 6966 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6967 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6968 synchronized (mInstallLock) { 6969 args.cleanUpResourcesLI(); 6970 } 6971 synchronized (mPackages) { 6972 mSettings.enableSystemPackageLPw(ps.name); 6973 } 6974 updatedPkgBetter = true; 6975 } 6976 } 6977 } 6978 6979 if (updatedPkg != null) { 6980 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6981 // initially 6982 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6983 6984 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6985 // flag set initially 6986 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6987 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6988 } 6989 } 6990 6991 // Verify certificates against what was last scanned 6992 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6993 6994 /* 6995 * A new system app appeared, but we already had a non-system one of the 6996 * same name installed earlier. 6997 */ 6998 boolean shouldHideSystemApp = false; 6999 if (updatedPkg == null && ps != null 7000 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7001 /* 7002 * Check to make sure the signatures match first. If they don't, 7003 * wipe the installed application and its data. 7004 */ 7005 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7006 != PackageManager.SIGNATURE_MATCH) { 7007 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7008 + " signatures don't match existing userdata copy; removing"); 7009 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7010 "scanPackageInternalLI")) { 7011 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7012 } 7013 ps = null; 7014 } else { 7015 /* 7016 * If the newly-added system app is an older version than the 7017 * already installed version, hide it. It will be scanned later 7018 * and re-added like an update. 7019 */ 7020 if (pkg.mVersionCode <= ps.versionCode) { 7021 shouldHideSystemApp = true; 7022 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7023 + " but new version " + pkg.mVersionCode + " better than installed " 7024 + ps.versionCode + "; hiding system"); 7025 } else { 7026 /* 7027 * The newly found system app is a newer version that the 7028 * one previously installed. Simply remove the 7029 * already-installed application and replace it with our own 7030 * while keeping the application data. 7031 */ 7032 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7033 + " reverting from " + ps.codePathString + ": new version " 7034 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7035 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7036 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7037 synchronized (mInstallLock) { 7038 args.cleanUpResourcesLI(); 7039 } 7040 } 7041 } 7042 } 7043 7044 // The apk is forward locked (not public) if its code and resources 7045 // are kept in different files. (except for app in either system or 7046 // vendor path). 7047 // TODO grab this value from PackageSettings 7048 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7049 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7050 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7051 } 7052 } 7053 7054 // TODO: extend to support forward-locked splits 7055 String resourcePath = null; 7056 String baseResourcePath = null; 7057 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7058 if (ps != null && ps.resourcePathString != null) { 7059 resourcePath = ps.resourcePathString; 7060 baseResourcePath = ps.resourcePathString; 7061 } else { 7062 // Should not happen at all. Just log an error. 7063 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7064 } 7065 } else { 7066 resourcePath = pkg.codePath; 7067 baseResourcePath = pkg.baseCodePath; 7068 } 7069 7070 // Set application objects path explicitly. 7071 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7072 pkg.setApplicationInfoCodePath(pkg.codePath); 7073 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7074 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7075 pkg.setApplicationInfoResourcePath(resourcePath); 7076 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7077 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7078 7079 // Note that we invoke the following method only if we are about to unpack an application 7080 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7081 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7082 7083 /* 7084 * If the system app should be overridden by a previously installed 7085 * data, hide the system app now and let the /data/app scan pick it up 7086 * again. 7087 */ 7088 if (shouldHideSystemApp) { 7089 synchronized (mPackages) { 7090 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7091 } 7092 } 7093 7094 return scannedPkg; 7095 } 7096 7097 private static String fixProcessName(String defProcessName, 7098 String processName, int uid) { 7099 if (processName == null) { 7100 return defProcessName; 7101 } 7102 return processName; 7103 } 7104 7105 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7106 throws PackageManagerException { 7107 if (pkgSetting.signatures.mSignatures != null) { 7108 // Already existing package. Make sure signatures match 7109 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7110 == PackageManager.SIGNATURE_MATCH; 7111 if (!match) { 7112 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7113 == PackageManager.SIGNATURE_MATCH; 7114 } 7115 if (!match) { 7116 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7117 == PackageManager.SIGNATURE_MATCH; 7118 } 7119 if (!match) { 7120 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7121 + pkg.packageName + " signatures do not match the " 7122 + "previously installed version; ignoring!"); 7123 } 7124 } 7125 7126 // Check for shared user signatures 7127 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7128 // Already existing package. Make sure signatures match 7129 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7130 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7131 if (!match) { 7132 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7133 == PackageManager.SIGNATURE_MATCH; 7134 } 7135 if (!match) { 7136 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7137 == PackageManager.SIGNATURE_MATCH; 7138 } 7139 if (!match) { 7140 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7141 "Package " + pkg.packageName 7142 + " has no signatures that match those in shared user " 7143 + pkgSetting.sharedUser.name + "; ignoring!"); 7144 } 7145 } 7146 } 7147 7148 /** 7149 * Enforces that only the system UID or root's UID can call a method exposed 7150 * via Binder. 7151 * 7152 * @param message used as message if SecurityException is thrown 7153 * @throws SecurityException if the caller is not system or root 7154 */ 7155 private static final void enforceSystemOrRoot(String message) { 7156 final int uid = Binder.getCallingUid(); 7157 if (uid != Process.SYSTEM_UID && uid != 0) { 7158 throw new SecurityException(message); 7159 } 7160 } 7161 7162 @Override 7163 public void performFstrimIfNeeded() { 7164 enforceSystemOrRoot("Only the system can request fstrim"); 7165 7166 // Before everything else, see whether we need to fstrim. 7167 try { 7168 IMountService ms = PackageHelper.getMountService(); 7169 if (ms != null) { 7170 final boolean isUpgrade = isUpgrade(); 7171 boolean doTrim = isUpgrade; 7172 if (doTrim) { 7173 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7174 } else { 7175 final long interval = android.provider.Settings.Global.getLong( 7176 mContext.getContentResolver(), 7177 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7178 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7179 if (interval > 0) { 7180 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7181 if (timeSinceLast > interval) { 7182 doTrim = true; 7183 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7184 + "; running immediately"); 7185 } 7186 } 7187 } 7188 if (doTrim) { 7189 if (!isFirstBoot()) { 7190 try { 7191 ActivityManagerNative.getDefault().showBootMessage( 7192 mContext.getResources().getString( 7193 R.string.android_upgrading_fstrim), true); 7194 } catch (RemoteException e) { 7195 } 7196 } 7197 ms.runMaintenance(); 7198 } 7199 } else { 7200 Slog.e(TAG, "Mount service unavailable!"); 7201 } 7202 } catch (RemoteException e) { 7203 // Can't happen; MountService is local 7204 } 7205 } 7206 7207 @Override 7208 public void updatePackagesIfNeeded() { 7209 enforceSystemOrRoot("Only the system can request package update"); 7210 7211 // We need to re-extract after an OTA. 7212 boolean causeUpgrade = isUpgrade(); 7213 7214 // First boot or factory reset. 7215 // Note: we also handle devices that are upgrading to N right now as if it is their 7216 // first boot, as they do not have profile data. 7217 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7218 7219 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7220 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7221 7222 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7223 return; 7224 } 7225 7226 List<PackageParser.Package> pkgs; 7227 synchronized (mPackages) { 7228 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7229 } 7230 7231 int numberOfPackagesVisited = 0; 7232 int numberOfPackagesOptimized = 0; 7233 int numberOfPackagesSkipped = 0; 7234 int numberOfPackagesFailed = 0; 7235 final int numberOfPackagesToDexopt = pkgs.size(); 7236 final long startTime = System.nanoTime(); 7237 7238 for (PackageParser.Package pkg : pkgs) { 7239 numberOfPackagesVisited++; 7240 7241 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7242 if (DEBUG_DEXOPT) { 7243 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7244 } 7245 numberOfPackagesSkipped++; 7246 continue; 7247 } 7248 7249 if (DEBUG_DEXOPT) { 7250 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7251 numberOfPackagesToDexopt + ": " + pkg.packageName); 7252 } 7253 7254 if (mIsPreNUpgrade) { 7255 try { 7256 ActivityManagerNative.getDefault().showBootMessage( 7257 mContext.getResources().getString(R.string.android_upgrading_apk, 7258 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7259 } catch (RemoteException e) { 7260 } 7261 } 7262 7263 // checkProfiles is false to avoid merging profiles during boot which 7264 // might interfere with background compilation (b/28612421). 7265 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7266 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7267 // trade-off worth doing to save boot time work. 7268 int dexOptStatus = performDexOptTraced(pkg.packageName, 7269 false /* checkProfiles */, 7270 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT), 7271 false /* force */); 7272 switch (dexOptStatus) { 7273 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7274 numberOfPackagesOptimized++; 7275 break; 7276 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7277 numberOfPackagesSkipped++; 7278 break; 7279 case PackageDexOptimizer.DEX_OPT_FAILED: 7280 numberOfPackagesFailed++; 7281 break; 7282 default: 7283 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7284 break; 7285 } 7286 } 7287 7288 final int elapsedTimeSeconds = 7289 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7290 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", numberOfPackagesOptimized); 7291 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", numberOfPackagesSkipped); 7292 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", numberOfPackagesFailed); 7293 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7294 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7295 } 7296 7297 @Override 7298 public void notifyPackageUse(String packageName, int reason) { 7299 synchronized (mPackages) { 7300 PackageParser.Package p = mPackages.get(packageName); 7301 if (p == null) { 7302 return; 7303 } 7304 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7305 } 7306 } 7307 7308 // TODO: this is not used nor needed. Delete it. 7309 @Override 7310 public boolean performDexOptIfNeeded(String packageName) { 7311 int dexOptStatus = performDexOptTraced(packageName, 7312 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7313 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7314 } 7315 7316 @Override 7317 public boolean performDexOpt(String packageName, 7318 boolean checkProfiles, int compileReason, boolean force) { 7319 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7320 getCompilerFilterForReason(compileReason), force); 7321 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7322 } 7323 7324 @Override 7325 public boolean performDexOptMode(String packageName, 7326 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7327 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7328 targetCompilerFilter, force); 7329 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7330 } 7331 7332 private int performDexOptTraced(String packageName, 7333 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7334 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7335 try { 7336 return performDexOptInternal(packageName, checkProfiles, 7337 targetCompilerFilter, force); 7338 } finally { 7339 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7340 } 7341 } 7342 7343 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7344 // if the package can now be considered up to date for the given filter. 7345 private int performDexOptInternal(String packageName, 7346 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7347 PackageParser.Package p; 7348 synchronized (mPackages) { 7349 p = mPackages.get(packageName); 7350 if (p == null) { 7351 // Package could not be found. Report failure. 7352 return PackageDexOptimizer.DEX_OPT_FAILED; 7353 } 7354 mPackageUsage.write(false); 7355 } 7356 long callingId = Binder.clearCallingIdentity(); 7357 try { 7358 synchronized (mInstallLock) { 7359 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7360 targetCompilerFilter, force); 7361 } 7362 } finally { 7363 Binder.restoreCallingIdentity(callingId); 7364 } 7365 } 7366 7367 public ArraySet<String> getOptimizablePackages() { 7368 ArraySet<String> pkgs = new ArraySet<String>(); 7369 synchronized (mPackages) { 7370 for (PackageParser.Package p : mPackages.values()) { 7371 if (PackageDexOptimizer.canOptimizePackage(p)) { 7372 pkgs.add(p.packageName); 7373 } 7374 } 7375 } 7376 return pkgs; 7377 } 7378 7379 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7380 boolean checkProfiles, String targetCompilerFilter, 7381 boolean force) { 7382 // Select the dex optimizer based on the force parameter. 7383 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7384 // allocate an object here. 7385 PackageDexOptimizer pdo = force 7386 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7387 : mPackageDexOptimizer; 7388 7389 // Optimize all dependencies first. Note: we ignore the return value and march on 7390 // on errors. 7391 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7392 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7393 if (!deps.isEmpty()) { 7394 for (PackageParser.Package depPackage : deps) { 7395 // TODO: Analyze and investigate if we (should) profile libraries. 7396 // Currently this will do a full compilation of the library by default. 7397 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7398 false /* checkProfiles */, 7399 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7400 } 7401 } 7402 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7403 targetCompilerFilter); 7404 } 7405 7406 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7407 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7408 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7409 Set<String> collectedNames = new HashSet<>(); 7410 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7411 7412 retValue.remove(p); 7413 7414 return retValue; 7415 } else { 7416 return Collections.emptyList(); 7417 } 7418 } 7419 7420 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7421 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7422 if (!collectedNames.contains(p.packageName)) { 7423 collectedNames.add(p.packageName); 7424 collected.add(p); 7425 7426 if (p.usesLibraries != null) { 7427 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7428 } 7429 if (p.usesOptionalLibraries != null) { 7430 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7431 collectedNames); 7432 } 7433 } 7434 } 7435 7436 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7437 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7438 for (String libName : libs) { 7439 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7440 if (libPkg != null) { 7441 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7442 } 7443 } 7444 } 7445 7446 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7447 synchronized (mPackages) { 7448 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7449 if (lib != null && lib.apk != null) { 7450 return mPackages.get(lib.apk); 7451 } 7452 } 7453 return null; 7454 } 7455 7456 public void shutdown() { 7457 mPackageUsage.write(true); 7458 } 7459 7460 @Override 7461 public void forceDexOpt(String packageName) { 7462 enforceSystemOrRoot("forceDexOpt"); 7463 7464 PackageParser.Package pkg; 7465 synchronized (mPackages) { 7466 pkg = mPackages.get(packageName); 7467 if (pkg == null) { 7468 throw new IllegalArgumentException("Unknown package: " + packageName); 7469 } 7470 } 7471 7472 synchronized (mInstallLock) { 7473 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7474 7475 // Whoever is calling forceDexOpt wants a fully compiled package. 7476 // Don't use profiles since that may cause compilation to be skipped. 7477 final int res = performDexOptInternalWithDependenciesLI(pkg, 7478 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7479 true /* force */); 7480 7481 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7482 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7483 throw new IllegalStateException("Failed to dexopt: " + res); 7484 } 7485 } 7486 } 7487 7488 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7489 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7490 Slog.w(TAG, "Unable to update from " + oldPkg.name 7491 + " to " + newPkg.packageName 7492 + ": old package not in system partition"); 7493 return false; 7494 } else if (mPackages.get(oldPkg.name) != null) { 7495 Slog.w(TAG, "Unable to update from " + oldPkg.name 7496 + " to " + newPkg.packageName 7497 + ": old package still exists"); 7498 return false; 7499 } 7500 return true; 7501 } 7502 7503 void removeCodePathLI(File codePath) { 7504 if (codePath.isDirectory()) { 7505 try { 7506 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7507 } catch (InstallerException e) { 7508 Slog.w(TAG, "Failed to remove code path", e); 7509 } 7510 } else { 7511 codePath.delete(); 7512 } 7513 } 7514 7515 private int[] resolveUserIds(int userId) { 7516 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7517 } 7518 7519 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7520 if (pkg == null) { 7521 Slog.wtf(TAG, "Package was null!", new Throwable()); 7522 return; 7523 } 7524 clearAppDataLeafLIF(pkg, userId, flags); 7525 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7526 for (int i = 0; i < childCount; i++) { 7527 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7528 } 7529 } 7530 7531 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7532 final PackageSetting ps; 7533 synchronized (mPackages) { 7534 ps = mSettings.mPackages.get(pkg.packageName); 7535 } 7536 for (int realUserId : resolveUserIds(userId)) { 7537 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7538 try { 7539 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7540 ceDataInode); 7541 } catch (InstallerException e) { 7542 Slog.w(TAG, String.valueOf(e)); 7543 } 7544 } 7545 } 7546 7547 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7548 if (pkg == null) { 7549 Slog.wtf(TAG, "Package was null!", new Throwable()); 7550 return; 7551 } 7552 destroyAppDataLeafLIF(pkg, userId, flags); 7553 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7554 for (int i = 0; i < childCount; i++) { 7555 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7556 } 7557 } 7558 7559 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7560 final PackageSetting ps; 7561 synchronized (mPackages) { 7562 ps = mSettings.mPackages.get(pkg.packageName); 7563 } 7564 for (int realUserId : resolveUserIds(userId)) { 7565 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7566 try { 7567 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7568 ceDataInode); 7569 } catch (InstallerException e) { 7570 Slog.w(TAG, String.valueOf(e)); 7571 } 7572 } 7573 } 7574 7575 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7576 if (pkg == null) { 7577 Slog.wtf(TAG, "Package was null!", new Throwable()); 7578 return; 7579 } 7580 destroyAppProfilesLeafLIF(pkg); 7581 destroyAppReferenceProfileLeafLIF(pkg, userId); 7582 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7583 for (int i = 0; i < childCount; i++) { 7584 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7585 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId); 7586 } 7587 } 7588 7589 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId) { 7590 if (pkg.isForwardLocked()) { 7591 return; 7592 } 7593 7594 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7595 try { 7596 path = PackageManagerServiceUtils.realpath(new File(path)); 7597 } catch (IOException e) { 7598 // TODO: Should we return early here ? 7599 Slog.w(TAG, "Failed to get canonical path", e); 7600 continue; 7601 } 7602 7603 final String useMarker = path.replace('/', '@'); 7604 for (int realUserId : resolveUserIds(userId)) { 7605 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7606 File foreignUseMark = new File(profileDir, useMarker); 7607 if (foreignUseMark.exists()) { 7608 if (!foreignUseMark.delete()) { 7609 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7610 + pkg.packageName); 7611 } 7612 } 7613 7614 File[] markers = profileDir.listFiles(); 7615 if (markers != null) { 7616 final String searchString = "@" + pkg.packageName + "@"; 7617 // We also delete all markers that contain the package name we're 7618 // uninstalling. These are associated with secondary dex-files belonging 7619 // to the package. Reconstructing the path of these dex files is messy 7620 // in general. 7621 for (File marker : markers) { 7622 if (marker.getName().indexOf(searchString) > 0) { 7623 if (!marker.delete()) { 7624 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7625 + pkg.packageName); 7626 } 7627 } 7628 } 7629 } 7630 } 7631 } 7632 } 7633 7634 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7635 try { 7636 mInstaller.destroyAppProfiles(pkg.packageName); 7637 } catch (InstallerException e) { 7638 Slog.w(TAG, String.valueOf(e)); 7639 } 7640 } 7641 7642 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7643 if (pkg == null) { 7644 Slog.wtf(TAG, "Package was null!", new Throwable()); 7645 return; 7646 } 7647 clearAppProfilesLeafLIF(pkg); 7648 destroyAppReferenceProfileLeafLIF(pkg, userId); 7649 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7650 for (int i = 0; i < childCount; i++) { 7651 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7652 } 7653 } 7654 7655 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7656 try { 7657 mInstaller.clearAppProfiles(pkg.packageName); 7658 } catch (InstallerException e) { 7659 Slog.w(TAG, String.valueOf(e)); 7660 } 7661 } 7662 7663 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7664 long lastUpdateTime) { 7665 // Set parent install/update time 7666 PackageSetting ps = (PackageSetting) pkg.mExtras; 7667 if (ps != null) { 7668 ps.firstInstallTime = firstInstallTime; 7669 ps.lastUpdateTime = lastUpdateTime; 7670 } 7671 // Set children install/update time 7672 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7673 for (int i = 0; i < childCount; i++) { 7674 PackageParser.Package childPkg = pkg.childPackages.get(i); 7675 ps = (PackageSetting) childPkg.mExtras; 7676 if (ps != null) { 7677 ps.firstInstallTime = firstInstallTime; 7678 ps.lastUpdateTime = lastUpdateTime; 7679 } 7680 } 7681 } 7682 7683 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7684 PackageParser.Package changingLib) { 7685 if (file.path != null) { 7686 usesLibraryFiles.add(file.path); 7687 return; 7688 } 7689 PackageParser.Package p = mPackages.get(file.apk); 7690 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7691 // If we are doing this while in the middle of updating a library apk, 7692 // then we need to make sure to use that new apk for determining the 7693 // dependencies here. (We haven't yet finished committing the new apk 7694 // to the package manager state.) 7695 if (p == null || p.packageName.equals(changingLib.packageName)) { 7696 p = changingLib; 7697 } 7698 } 7699 if (p != null) { 7700 usesLibraryFiles.addAll(p.getAllCodePaths()); 7701 } 7702 } 7703 7704 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7705 PackageParser.Package changingLib) throws PackageManagerException { 7706 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7707 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7708 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7709 for (int i=0; i<N; i++) { 7710 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7711 if (file == null) { 7712 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7713 "Package " + pkg.packageName + " requires unavailable shared library " 7714 + pkg.usesLibraries.get(i) + "; failing!"); 7715 } 7716 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7717 } 7718 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7719 for (int i=0; i<N; i++) { 7720 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7721 if (file == null) { 7722 Slog.w(TAG, "Package " + pkg.packageName 7723 + " desires unavailable shared library " 7724 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7725 } else { 7726 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7727 } 7728 } 7729 N = usesLibraryFiles.size(); 7730 if (N > 0) { 7731 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7732 } else { 7733 pkg.usesLibraryFiles = null; 7734 } 7735 } 7736 } 7737 7738 private static boolean hasString(List<String> list, List<String> which) { 7739 if (list == null) { 7740 return false; 7741 } 7742 for (int i=list.size()-1; i>=0; i--) { 7743 for (int j=which.size()-1; j>=0; j--) { 7744 if (which.get(j).equals(list.get(i))) { 7745 return true; 7746 } 7747 } 7748 } 7749 return false; 7750 } 7751 7752 private void updateAllSharedLibrariesLPw() { 7753 for (PackageParser.Package pkg : mPackages.values()) { 7754 try { 7755 updateSharedLibrariesLPw(pkg, null); 7756 } catch (PackageManagerException e) { 7757 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7758 } 7759 } 7760 } 7761 7762 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7763 PackageParser.Package changingPkg) { 7764 ArrayList<PackageParser.Package> res = null; 7765 for (PackageParser.Package pkg : mPackages.values()) { 7766 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7767 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7768 if (res == null) { 7769 res = new ArrayList<PackageParser.Package>(); 7770 } 7771 res.add(pkg); 7772 try { 7773 updateSharedLibrariesLPw(pkg, changingPkg); 7774 } catch (PackageManagerException e) { 7775 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7776 } 7777 } 7778 } 7779 return res; 7780 } 7781 7782 /** 7783 * Derive the value of the {@code cpuAbiOverride} based on the provided 7784 * value and an optional stored value from the package settings. 7785 */ 7786 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7787 String cpuAbiOverride = null; 7788 7789 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7790 cpuAbiOverride = null; 7791 } else if (abiOverride != null) { 7792 cpuAbiOverride = abiOverride; 7793 } else if (settings != null) { 7794 cpuAbiOverride = settings.cpuAbiOverrideString; 7795 } 7796 7797 return cpuAbiOverride; 7798 } 7799 7800 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7801 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7802 throws PackageManagerException { 7803 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7804 // If the package has children and this is the first dive in the function 7805 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7806 // whether all packages (parent and children) would be successfully scanned 7807 // before the actual scan since scanning mutates internal state and we want 7808 // to atomically install the package and its children. 7809 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7810 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7811 scanFlags |= SCAN_CHECK_ONLY; 7812 } 7813 } else { 7814 scanFlags &= ~SCAN_CHECK_ONLY; 7815 } 7816 7817 final PackageParser.Package scannedPkg; 7818 try { 7819 // Scan the parent 7820 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7821 // Scan the children 7822 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7823 for (int i = 0; i < childCount; i++) { 7824 PackageParser.Package childPkg = pkg.childPackages.get(i); 7825 scanPackageLI(childPkg, policyFlags, 7826 scanFlags, currentTime, user); 7827 } 7828 } finally { 7829 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7830 } 7831 7832 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7833 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7834 } 7835 7836 return scannedPkg; 7837 } 7838 7839 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7840 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7841 boolean success = false; 7842 try { 7843 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7844 currentTime, user); 7845 success = true; 7846 return res; 7847 } finally { 7848 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7849 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7850 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7851 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7852 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7853 } 7854 } 7855 } 7856 7857 /** 7858 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7859 */ 7860 private static boolean apkHasCode(String fileName) { 7861 StrictJarFile jarFile = null; 7862 try { 7863 jarFile = new StrictJarFile(fileName, 7864 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7865 return jarFile.findEntry("classes.dex") != null; 7866 } catch (IOException ignore) { 7867 } finally { 7868 try { 7869 jarFile.close(); 7870 } catch (IOException ignore) {} 7871 } 7872 return false; 7873 } 7874 7875 /** 7876 * Enforces code policy for the package. This ensures that if an APK has 7877 * declared hasCode="true" in its manifest that the APK actually contains 7878 * code. 7879 * 7880 * @throws PackageManagerException If bytecode could not be found when it should exist 7881 */ 7882 private static void enforceCodePolicy(PackageParser.Package pkg) 7883 throws PackageManagerException { 7884 final boolean shouldHaveCode = 7885 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7886 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7887 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7888 "Package " + pkg.baseCodePath + " code is missing"); 7889 } 7890 7891 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7892 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7893 final boolean splitShouldHaveCode = 7894 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7895 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7896 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7897 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7898 } 7899 } 7900 } 7901 } 7902 7903 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7904 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7905 throws PackageManagerException { 7906 final File scanFile = new File(pkg.codePath); 7907 if (pkg.applicationInfo.getCodePath() == null || 7908 pkg.applicationInfo.getResourcePath() == null) { 7909 // Bail out. The resource and code paths haven't been set. 7910 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7911 "Code and resource paths haven't been set correctly"); 7912 } 7913 7914 // Apply policy 7915 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7916 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7917 if (pkg.applicationInfo.isDirectBootAware()) { 7918 // we're direct boot aware; set for all components 7919 for (PackageParser.Service s : pkg.services) { 7920 s.info.encryptionAware = s.info.directBootAware = true; 7921 } 7922 for (PackageParser.Provider p : pkg.providers) { 7923 p.info.encryptionAware = p.info.directBootAware = true; 7924 } 7925 for (PackageParser.Activity a : pkg.activities) { 7926 a.info.encryptionAware = a.info.directBootAware = true; 7927 } 7928 for (PackageParser.Activity r : pkg.receivers) { 7929 r.info.encryptionAware = r.info.directBootAware = true; 7930 } 7931 } 7932 } else { 7933 // Only allow system apps to be flagged as core apps. 7934 pkg.coreApp = false; 7935 // clear flags not applicable to regular apps 7936 pkg.applicationInfo.privateFlags &= 7937 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7938 pkg.applicationInfo.privateFlags &= 7939 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7940 } 7941 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7942 7943 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7944 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7945 } 7946 7947 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7948 enforceCodePolicy(pkg); 7949 } 7950 7951 if (mCustomResolverComponentName != null && 7952 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7953 setUpCustomResolverActivity(pkg); 7954 } 7955 7956 if (pkg.packageName.equals("android")) { 7957 synchronized (mPackages) { 7958 if (mAndroidApplication != null) { 7959 Slog.w(TAG, "*************************************************"); 7960 Slog.w(TAG, "Core android package being redefined. Skipping."); 7961 Slog.w(TAG, " file=" + scanFile); 7962 Slog.w(TAG, "*************************************************"); 7963 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7964 "Core android package being redefined. Skipping."); 7965 } 7966 7967 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7968 // Set up information for our fall-back user intent resolution activity. 7969 mPlatformPackage = pkg; 7970 pkg.mVersionCode = mSdkVersion; 7971 mAndroidApplication = pkg.applicationInfo; 7972 7973 if (!mResolverReplaced) { 7974 mResolveActivity.applicationInfo = mAndroidApplication; 7975 mResolveActivity.name = ResolverActivity.class.getName(); 7976 mResolveActivity.packageName = mAndroidApplication.packageName; 7977 mResolveActivity.processName = "system:ui"; 7978 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7979 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7980 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7981 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 7982 mResolveActivity.exported = true; 7983 mResolveActivity.enabled = true; 7984 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 7985 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 7986 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 7987 | ActivityInfo.CONFIG_SCREEN_LAYOUT 7988 | ActivityInfo.CONFIG_ORIENTATION 7989 | ActivityInfo.CONFIG_KEYBOARD 7990 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 7991 mResolveInfo.activityInfo = mResolveActivity; 7992 mResolveInfo.priority = 0; 7993 mResolveInfo.preferredOrder = 0; 7994 mResolveInfo.match = 0; 7995 mResolveComponentName = new ComponentName( 7996 mAndroidApplication.packageName, mResolveActivity.name); 7997 } 7998 } 7999 } 8000 } 8001 8002 if (DEBUG_PACKAGE_SCANNING) { 8003 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8004 Log.d(TAG, "Scanning package " + pkg.packageName); 8005 } 8006 8007 synchronized (mPackages) { 8008 if (mPackages.containsKey(pkg.packageName) 8009 || mSharedLibraries.containsKey(pkg.packageName)) { 8010 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8011 "Application package " + pkg.packageName 8012 + " already installed. Skipping duplicate."); 8013 } 8014 8015 // If we're only installing presumed-existing packages, require that the 8016 // scanned APK is both already known and at the path previously established 8017 // for it. Previously unknown packages we pick up normally, but if we have an 8018 // a priori expectation about this package's install presence, enforce it. 8019 // With a singular exception for new system packages. When an OTA contains 8020 // a new system package, we allow the codepath to change from a system location 8021 // to the user-installed location. If we don't allow this change, any newer, 8022 // user-installed version of the application will be ignored. 8023 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8024 if (mExpectingBetter.containsKey(pkg.packageName)) { 8025 logCriticalInfo(Log.WARN, 8026 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8027 } else { 8028 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8029 if (known != null) { 8030 if (DEBUG_PACKAGE_SCANNING) { 8031 Log.d(TAG, "Examining " + pkg.codePath 8032 + " and requiring known paths " + known.codePathString 8033 + " & " + known.resourcePathString); 8034 } 8035 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8036 || !pkg.applicationInfo.getResourcePath().equals( 8037 known.resourcePathString)) { 8038 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8039 "Application package " + pkg.packageName 8040 + " found at " + pkg.applicationInfo.getCodePath() 8041 + " but expected at " + known.codePathString 8042 + "; ignoring."); 8043 } 8044 } 8045 } 8046 } 8047 } 8048 8049 // Initialize package source and resource directories 8050 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8051 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8052 8053 SharedUserSetting suid = null; 8054 PackageSetting pkgSetting = null; 8055 8056 if (!isSystemApp(pkg)) { 8057 // Only system apps can use these features. 8058 pkg.mOriginalPackages = null; 8059 pkg.mRealPackage = null; 8060 pkg.mAdoptPermissions = null; 8061 } 8062 8063 // Getting the package setting may have a side-effect, so if we 8064 // are only checking if scan would succeed, stash a copy of the 8065 // old setting to restore at the end. 8066 PackageSetting nonMutatedPs = null; 8067 8068 // writer 8069 synchronized (mPackages) { 8070 if (pkg.mSharedUserId != null) { 8071 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8072 if (suid == null) { 8073 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8074 "Creating application package " + pkg.packageName 8075 + " for shared user failed"); 8076 } 8077 if (DEBUG_PACKAGE_SCANNING) { 8078 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8079 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8080 + "): packages=" + suid.packages); 8081 } 8082 } 8083 8084 // Check if we are renaming from an original package name. 8085 PackageSetting origPackage = null; 8086 String realName = null; 8087 if (pkg.mOriginalPackages != null) { 8088 // This package may need to be renamed to a previously 8089 // installed name. Let's check on that... 8090 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8091 if (pkg.mOriginalPackages.contains(renamed)) { 8092 // This package had originally been installed as the 8093 // original name, and we have already taken care of 8094 // transitioning to the new one. Just update the new 8095 // one to continue using the old name. 8096 realName = pkg.mRealPackage; 8097 if (!pkg.packageName.equals(renamed)) { 8098 // Callers into this function may have already taken 8099 // care of renaming the package; only do it here if 8100 // it is not already done. 8101 pkg.setPackageName(renamed); 8102 } 8103 8104 } else { 8105 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8106 if ((origPackage = mSettings.peekPackageLPr( 8107 pkg.mOriginalPackages.get(i))) != null) { 8108 // We do have the package already installed under its 8109 // original name... should we use it? 8110 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8111 // New package is not compatible with original. 8112 origPackage = null; 8113 continue; 8114 } else if (origPackage.sharedUser != null) { 8115 // Make sure uid is compatible between packages. 8116 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8117 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8118 + " to " + pkg.packageName + ": old uid " 8119 + origPackage.sharedUser.name 8120 + " differs from " + pkg.mSharedUserId); 8121 origPackage = null; 8122 continue; 8123 } 8124 // TODO: Add case when shared user id is added [b/28144775] 8125 } else { 8126 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8127 + pkg.packageName + " to old name " + origPackage.name); 8128 } 8129 break; 8130 } 8131 } 8132 } 8133 } 8134 8135 if (mTransferedPackages.contains(pkg.packageName)) { 8136 Slog.w(TAG, "Package " + pkg.packageName 8137 + " was transferred to another, but its .apk remains"); 8138 } 8139 8140 // See comments in nonMutatedPs declaration 8141 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8142 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8143 if (foundPs != null) { 8144 nonMutatedPs = new PackageSetting(foundPs); 8145 } 8146 } 8147 8148 // Just create the setting, don't add it yet. For already existing packages 8149 // the PkgSetting exists already and doesn't have to be created. 8150 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8151 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8152 pkg.applicationInfo.primaryCpuAbi, 8153 pkg.applicationInfo.secondaryCpuAbi, 8154 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8155 user, false); 8156 if (pkgSetting == null) { 8157 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8158 "Creating application package " + pkg.packageName + " failed"); 8159 } 8160 8161 if (pkgSetting.origPackage != null) { 8162 // If we are first transitioning from an original package, 8163 // fix up the new package's name now. We need to do this after 8164 // looking up the package under its new name, so getPackageLP 8165 // can take care of fiddling things correctly. 8166 pkg.setPackageName(origPackage.name); 8167 8168 // File a report about this. 8169 String msg = "New package " + pkgSetting.realName 8170 + " renamed to replace old package " + pkgSetting.name; 8171 reportSettingsProblem(Log.WARN, msg); 8172 8173 // Make a note of it. 8174 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8175 mTransferedPackages.add(origPackage.name); 8176 } 8177 8178 // No longer need to retain this. 8179 pkgSetting.origPackage = null; 8180 } 8181 8182 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8183 // Make a note of it. 8184 mTransferedPackages.add(pkg.packageName); 8185 } 8186 8187 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8188 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8189 } 8190 8191 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8192 // Check all shared libraries and map to their actual file path. 8193 // We only do this here for apps not on a system dir, because those 8194 // are the only ones that can fail an install due to this. We 8195 // will take care of the system apps by updating all of their 8196 // library paths after the scan is done. 8197 updateSharedLibrariesLPw(pkg, null); 8198 } 8199 8200 if (mFoundPolicyFile) { 8201 SELinuxMMAC.assignSeinfoValue(pkg); 8202 } 8203 8204 pkg.applicationInfo.uid = pkgSetting.appId; 8205 pkg.mExtras = pkgSetting; 8206 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8207 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8208 // We just determined the app is signed correctly, so bring 8209 // over the latest parsed certs. 8210 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8211 } else { 8212 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8213 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8214 "Package " + pkg.packageName + " upgrade keys do not match the " 8215 + "previously installed version"); 8216 } else { 8217 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8218 String msg = "System package " + pkg.packageName 8219 + " signature changed; retaining data."; 8220 reportSettingsProblem(Log.WARN, msg); 8221 } 8222 } 8223 } else { 8224 try { 8225 verifySignaturesLP(pkgSetting, pkg); 8226 // We just determined the app is signed correctly, so bring 8227 // over the latest parsed certs. 8228 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8229 } catch (PackageManagerException e) { 8230 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8231 throw e; 8232 } 8233 // The signature has changed, but this package is in the system 8234 // image... let's recover! 8235 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8236 // However... if this package is part of a shared user, but it 8237 // doesn't match the signature of the shared user, let's fail. 8238 // What this means is that you can't change the signatures 8239 // associated with an overall shared user, which doesn't seem all 8240 // that unreasonable. 8241 if (pkgSetting.sharedUser != null) { 8242 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8243 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8244 throw new PackageManagerException( 8245 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8246 "Signature mismatch for shared user: " 8247 + pkgSetting.sharedUser); 8248 } 8249 } 8250 // File a report about this. 8251 String msg = "System package " + pkg.packageName 8252 + " signature changed; retaining data."; 8253 reportSettingsProblem(Log.WARN, msg); 8254 } 8255 } 8256 // Verify that this new package doesn't have any content providers 8257 // that conflict with existing packages. Only do this if the 8258 // package isn't already installed, since we don't want to break 8259 // things that are installed. 8260 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8261 final int N = pkg.providers.size(); 8262 int i; 8263 for (i=0; i<N; i++) { 8264 PackageParser.Provider p = pkg.providers.get(i); 8265 if (p.info.authority != null) { 8266 String names[] = p.info.authority.split(";"); 8267 for (int j = 0; j < names.length; j++) { 8268 if (mProvidersByAuthority.containsKey(names[j])) { 8269 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8270 final String otherPackageName = 8271 ((other != null && other.getComponentName() != null) ? 8272 other.getComponentName().getPackageName() : "?"); 8273 throw new PackageManagerException( 8274 INSTALL_FAILED_CONFLICTING_PROVIDER, 8275 "Can't install because provider name " + names[j] 8276 + " (in package " + pkg.applicationInfo.packageName 8277 + ") is already used by " + otherPackageName); 8278 } 8279 } 8280 } 8281 } 8282 } 8283 8284 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8285 // This package wants to adopt ownership of permissions from 8286 // another package. 8287 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8288 final String origName = pkg.mAdoptPermissions.get(i); 8289 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8290 if (orig != null) { 8291 if (verifyPackageUpdateLPr(orig, pkg)) { 8292 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8293 + pkg.packageName); 8294 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8295 } 8296 } 8297 } 8298 } 8299 } 8300 8301 final String pkgName = pkg.packageName; 8302 8303 final long scanFileTime = scanFile.lastModified(); 8304 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8305 pkg.applicationInfo.processName = fixProcessName( 8306 pkg.applicationInfo.packageName, 8307 pkg.applicationInfo.processName, 8308 pkg.applicationInfo.uid); 8309 8310 if (pkg != mPlatformPackage) { 8311 // Get all of our default paths setup 8312 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8313 } 8314 8315 final String path = scanFile.getPath(); 8316 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8317 8318 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8319 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8320 8321 // Some system apps still use directory structure for native libraries 8322 // in which case we might end up not detecting abi solely based on apk 8323 // structure. Try to detect abi based on directory structure. 8324 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8325 pkg.applicationInfo.primaryCpuAbi == null) { 8326 setBundledAppAbisAndRoots(pkg, pkgSetting); 8327 setNativeLibraryPaths(pkg); 8328 } 8329 8330 } else { 8331 if ((scanFlags & SCAN_MOVE) != 0) { 8332 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8333 // but we already have this packages package info in the PackageSetting. We just 8334 // use that and derive the native library path based on the new codepath. 8335 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8336 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8337 } 8338 8339 // Set native library paths again. For moves, the path will be updated based on the 8340 // ABIs we've determined above. For non-moves, the path will be updated based on the 8341 // ABIs we determined during compilation, but the path will depend on the final 8342 // package path (after the rename away from the stage path). 8343 setNativeLibraryPaths(pkg); 8344 } 8345 8346 // This is a special case for the "system" package, where the ABI is 8347 // dictated by the zygote configuration (and init.rc). We should keep track 8348 // of this ABI so that we can deal with "normal" applications that run under 8349 // the same UID correctly. 8350 if (mPlatformPackage == pkg) { 8351 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8352 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8353 } 8354 8355 // If there's a mismatch between the abi-override in the package setting 8356 // and the abiOverride specified for the install. Warn about this because we 8357 // would've already compiled the app without taking the package setting into 8358 // account. 8359 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8360 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8361 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8362 " for package " + pkg.packageName); 8363 } 8364 } 8365 8366 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8367 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8368 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8369 8370 // Copy the derived override back to the parsed package, so that we can 8371 // update the package settings accordingly. 8372 pkg.cpuAbiOverride = cpuAbiOverride; 8373 8374 if (DEBUG_ABI_SELECTION) { 8375 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8376 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8377 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8378 } 8379 8380 // Push the derived path down into PackageSettings so we know what to 8381 // clean up at uninstall time. 8382 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8383 8384 if (DEBUG_ABI_SELECTION) { 8385 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8386 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8387 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8388 } 8389 8390 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8391 // We don't do this here during boot because we can do it all 8392 // at once after scanning all existing packages. 8393 // 8394 // We also do this *before* we perform dexopt on this package, so that 8395 // we can avoid redundant dexopts, and also to make sure we've got the 8396 // code and package path correct. 8397 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8398 pkg, true /* boot complete */); 8399 } 8400 8401 if (mFactoryTest && pkg.requestedPermissions.contains( 8402 android.Manifest.permission.FACTORY_TEST)) { 8403 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8404 } 8405 8406 ArrayList<PackageParser.Package> clientLibPkgs = null; 8407 8408 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8409 if (nonMutatedPs != null) { 8410 synchronized (mPackages) { 8411 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8412 } 8413 } 8414 return pkg; 8415 } 8416 8417 // Only privileged apps and updated privileged apps can add child packages. 8418 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8419 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8420 throw new PackageManagerException("Only privileged apps and updated " 8421 + "privileged apps can add child packages. Ignoring package " 8422 + pkg.packageName); 8423 } 8424 final int childCount = pkg.childPackages.size(); 8425 for (int i = 0; i < childCount; i++) { 8426 PackageParser.Package childPkg = pkg.childPackages.get(i); 8427 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8428 childPkg.packageName)) { 8429 throw new PackageManagerException("Cannot override a child package of " 8430 + "another disabled system app. Ignoring package " + pkg.packageName); 8431 } 8432 } 8433 } 8434 8435 // writer 8436 synchronized (mPackages) { 8437 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8438 // Only system apps can add new shared libraries. 8439 if (pkg.libraryNames != null) { 8440 for (int i=0; i<pkg.libraryNames.size(); i++) { 8441 String name = pkg.libraryNames.get(i); 8442 boolean allowed = false; 8443 if (pkg.isUpdatedSystemApp()) { 8444 // New library entries can only be added through the 8445 // system image. This is important to get rid of a lot 8446 // of nasty edge cases: for example if we allowed a non- 8447 // system update of the app to add a library, then uninstalling 8448 // the update would make the library go away, and assumptions 8449 // we made such as through app install filtering would now 8450 // have allowed apps on the device which aren't compatible 8451 // with it. Better to just have the restriction here, be 8452 // conservative, and create many fewer cases that can negatively 8453 // impact the user experience. 8454 final PackageSetting sysPs = mSettings 8455 .getDisabledSystemPkgLPr(pkg.packageName); 8456 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8457 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8458 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8459 allowed = true; 8460 break; 8461 } 8462 } 8463 } 8464 } else { 8465 allowed = true; 8466 } 8467 if (allowed) { 8468 if (!mSharedLibraries.containsKey(name)) { 8469 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8470 } else if (!name.equals(pkg.packageName)) { 8471 Slog.w(TAG, "Package " + pkg.packageName + " library " 8472 + name + " already exists; skipping"); 8473 } 8474 } else { 8475 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8476 + name + " that is not declared on system image; skipping"); 8477 } 8478 } 8479 if ((scanFlags & SCAN_BOOTING) == 0) { 8480 // If we are not booting, we need to update any applications 8481 // that are clients of our shared library. If we are booting, 8482 // this will all be done once the scan is complete. 8483 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8484 } 8485 } 8486 } 8487 } 8488 8489 if ((scanFlags & SCAN_BOOTING) != 0) { 8490 // No apps can run during boot scan, so they don't need to be frozen 8491 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8492 // Caller asked to not kill app, so it's probably not frozen 8493 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8494 // Caller asked us to ignore frozen check for some reason; they 8495 // probably didn't know the package name 8496 } else { 8497 // We're doing major surgery on this package, so it better be frozen 8498 // right now to keep it from launching 8499 checkPackageFrozen(pkgName); 8500 } 8501 8502 // Also need to kill any apps that are dependent on the library. 8503 if (clientLibPkgs != null) { 8504 for (int i=0; i<clientLibPkgs.size(); i++) { 8505 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8506 killApplication(clientPkg.applicationInfo.packageName, 8507 clientPkg.applicationInfo.uid, "update lib"); 8508 } 8509 } 8510 8511 // Make sure we're not adding any bogus keyset info 8512 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8513 ksms.assertScannedPackageValid(pkg); 8514 8515 // writer 8516 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8517 8518 boolean createIdmapFailed = false; 8519 synchronized (mPackages) { 8520 // We don't expect installation to fail beyond this point 8521 8522 // Add the new setting to mSettings 8523 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8524 // Add the new setting to mPackages 8525 mPackages.put(pkg.applicationInfo.packageName, pkg); 8526 // Make sure we don't accidentally delete its data. 8527 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8528 while (iter.hasNext()) { 8529 PackageCleanItem item = iter.next(); 8530 if (pkgName.equals(item.packageName)) { 8531 iter.remove(); 8532 } 8533 } 8534 8535 // Take care of first install / last update times. 8536 if (currentTime != 0) { 8537 if (pkgSetting.firstInstallTime == 0) { 8538 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8539 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8540 pkgSetting.lastUpdateTime = currentTime; 8541 } 8542 } else if (pkgSetting.firstInstallTime == 0) { 8543 // We need *something*. Take time time stamp of the file. 8544 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8545 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8546 if (scanFileTime != pkgSetting.timeStamp) { 8547 // A package on the system image has changed; consider this 8548 // to be an update. 8549 pkgSetting.lastUpdateTime = scanFileTime; 8550 } 8551 } 8552 8553 // Add the package's KeySets to the global KeySetManagerService 8554 ksms.addScannedPackageLPw(pkg); 8555 8556 int N = pkg.providers.size(); 8557 StringBuilder r = null; 8558 int i; 8559 for (i=0; i<N; i++) { 8560 PackageParser.Provider p = pkg.providers.get(i); 8561 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8562 p.info.processName, pkg.applicationInfo.uid); 8563 mProviders.addProvider(p); 8564 p.syncable = p.info.isSyncable; 8565 if (p.info.authority != null) { 8566 String names[] = p.info.authority.split(";"); 8567 p.info.authority = null; 8568 for (int j = 0; j < names.length; j++) { 8569 if (j == 1 && p.syncable) { 8570 // We only want the first authority for a provider to possibly be 8571 // syncable, so if we already added this provider using a different 8572 // authority clear the syncable flag. We copy the provider before 8573 // changing it because the mProviders object contains a reference 8574 // to a provider that we don't want to change. 8575 // Only do this for the second authority since the resulting provider 8576 // object can be the same for all future authorities for this provider. 8577 p = new PackageParser.Provider(p); 8578 p.syncable = false; 8579 } 8580 if (!mProvidersByAuthority.containsKey(names[j])) { 8581 mProvidersByAuthority.put(names[j], p); 8582 if (p.info.authority == null) { 8583 p.info.authority = names[j]; 8584 } else { 8585 p.info.authority = p.info.authority + ";" + names[j]; 8586 } 8587 if (DEBUG_PACKAGE_SCANNING) { 8588 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8589 Log.d(TAG, "Registered content provider: " + names[j] 8590 + ", className = " + p.info.name + ", isSyncable = " 8591 + p.info.isSyncable); 8592 } 8593 } else { 8594 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8595 Slog.w(TAG, "Skipping provider name " + names[j] + 8596 " (in package " + pkg.applicationInfo.packageName + 8597 "): name already used by " 8598 + ((other != null && other.getComponentName() != null) 8599 ? other.getComponentName().getPackageName() : "?")); 8600 } 8601 } 8602 } 8603 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8604 if (r == null) { 8605 r = new StringBuilder(256); 8606 } else { 8607 r.append(' '); 8608 } 8609 r.append(p.info.name); 8610 } 8611 } 8612 if (r != null) { 8613 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8614 } 8615 8616 N = pkg.services.size(); 8617 r = null; 8618 for (i=0; i<N; i++) { 8619 PackageParser.Service s = pkg.services.get(i); 8620 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8621 s.info.processName, pkg.applicationInfo.uid); 8622 mServices.addService(s); 8623 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8624 if (r == null) { 8625 r = new StringBuilder(256); 8626 } else { 8627 r.append(' '); 8628 } 8629 r.append(s.info.name); 8630 } 8631 } 8632 if (r != null) { 8633 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8634 } 8635 8636 N = pkg.receivers.size(); 8637 r = null; 8638 for (i=0; i<N; i++) { 8639 PackageParser.Activity a = pkg.receivers.get(i); 8640 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8641 a.info.processName, pkg.applicationInfo.uid); 8642 mReceivers.addActivity(a, "receiver"); 8643 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8644 if (r == null) { 8645 r = new StringBuilder(256); 8646 } else { 8647 r.append(' '); 8648 } 8649 r.append(a.info.name); 8650 } 8651 } 8652 if (r != null) { 8653 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8654 } 8655 8656 N = pkg.activities.size(); 8657 r = null; 8658 for (i=0; i<N; i++) { 8659 PackageParser.Activity a = pkg.activities.get(i); 8660 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8661 a.info.processName, pkg.applicationInfo.uid); 8662 mActivities.addActivity(a, "activity"); 8663 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8664 if (r == null) { 8665 r = new StringBuilder(256); 8666 } else { 8667 r.append(' '); 8668 } 8669 r.append(a.info.name); 8670 } 8671 } 8672 if (r != null) { 8673 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8674 } 8675 8676 N = pkg.permissionGroups.size(); 8677 r = null; 8678 for (i=0; i<N; i++) { 8679 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8680 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8681 if (cur == null) { 8682 mPermissionGroups.put(pg.info.name, pg); 8683 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8684 if (r == null) { 8685 r = new StringBuilder(256); 8686 } else { 8687 r.append(' '); 8688 } 8689 r.append(pg.info.name); 8690 } 8691 } else { 8692 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8693 + pg.info.packageName + " ignored: original from " 8694 + cur.info.packageName); 8695 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8696 if (r == null) { 8697 r = new StringBuilder(256); 8698 } else { 8699 r.append(' '); 8700 } 8701 r.append("DUP:"); 8702 r.append(pg.info.name); 8703 } 8704 } 8705 } 8706 if (r != null) { 8707 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8708 } 8709 8710 N = pkg.permissions.size(); 8711 r = null; 8712 for (i=0; i<N; i++) { 8713 PackageParser.Permission p = pkg.permissions.get(i); 8714 8715 // Assume by default that we did not install this permission into the system. 8716 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8717 8718 // Now that permission groups have a special meaning, we ignore permission 8719 // groups for legacy apps to prevent unexpected behavior. In particular, 8720 // permissions for one app being granted to someone just becase they happen 8721 // to be in a group defined by another app (before this had no implications). 8722 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8723 p.group = mPermissionGroups.get(p.info.group); 8724 // Warn for a permission in an unknown group. 8725 if (p.info.group != null && p.group == null) { 8726 Slog.w(TAG, "Permission " + p.info.name + " from package " 8727 + p.info.packageName + " in an unknown group " + p.info.group); 8728 } 8729 } 8730 8731 ArrayMap<String, BasePermission> permissionMap = 8732 p.tree ? mSettings.mPermissionTrees 8733 : mSettings.mPermissions; 8734 BasePermission bp = permissionMap.get(p.info.name); 8735 8736 // Allow system apps to redefine non-system permissions 8737 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8738 final boolean currentOwnerIsSystem = (bp.perm != null 8739 && isSystemApp(bp.perm.owner)); 8740 if (isSystemApp(p.owner)) { 8741 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8742 // It's a built-in permission and no owner, take ownership now 8743 bp.packageSetting = pkgSetting; 8744 bp.perm = p; 8745 bp.uid = pkg.applicationInfo.uid; 8746 bp.sourcePackage = p.info.packageName; 8747 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8748 } else if (!currentOwnerIsSystem) { 8749 String msg = "New decl " + p.owner + " of permission " 8750 + p.info.name + " is system; overriding " + bp.sourcePackage; 8751 reportSettingsProblem(Log.WARN, msg); 8752 bp = null; 8753 } 8754 } 8755 } 8756 8757 if (bp == null) { 8758 bp = new BasePermission(p.info.name, p.info.packageName, 8759 BasePermission.TYPE_NORMAL); 8760 permissionMap.put(p.info.name, bp); 8761 } 8762 8763 if (bp.perm == null) { 8764 if (bp.sourcePackage == null 8765 || bp.sourcePackage.equals(p.info.packageName)) { 8766 BasePermission tree = findPermissionTreeLP(p.info.name); 8767 if (tree == null 8768 || tree.sourcePackage.equals(p.info.packageName)) { 8769 bp.packageSetting = pkgSetting; 8770 bp.perm = p; 8771 bp.uid = pkg.applicationInfo.uid; 8772 bp.sourcePackage = p.info.packageName; 8773 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8774 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8775 if (r == null) { 8776 r = new StringBuilder(256); 8777 } else { 8778 r.append(' '); 8779 } 8780 r.append(p.info.name); 8781 } 8782 } else { 8783 Slog.w(TAG, "Permission " + p.info.name + " from package " 8784 + p.info.packageName + " ignored: base tree " 8785 + tree.name + " is from package " 8786 + tree.sourcePackage); 8787 } 8788 } else { 8789 Slog.w(TAG, "Permission " + p.info.name + " from package " 8790 + p.info.packageName + " ignored: original from " 8791 + bp.sourcePackage); 8792 } 8793 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8794 if (r == null) { 8795 r = new StringBuilder(256); 8796 } else { 8797 r.append(' '); 8798 } 8799 r.append("DUP:"); 8800 r.append(p.info.name); 8801 } 8802 if (bp.perm == p) { 8803 bp.protectionLevel = p.info.protectionLevel; 8804 } 8805 } 8806 8807 if (r != null) { 8808 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8809 } 8810 8811 N = pkg.instrumentation.size(); 8812 r = null; 8813 for (i=0; i<N; i++) { 8814 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8815 a.info.packageName = pkg.applicationInfo.packageName; 8816 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8817 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8818 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8819 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8820 a.info.dataDir = pkg.applicationInfo.dataDir; 8821 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8822 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8823 8824 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8825 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8826 mInstrumentation.put(a.getComponentName(), a); 8827 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8828 if (r == null) { 8829 r = new StringBuilder(256); 8830 } else { 8831 r.append(' '); 8832 } 8833 r.append(a.info.name); 8834 } 8835 } 8836 if (r != null) { 8837 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8838 } 8839 8840 if (pkg.protectedBroadcasts != null) { 8841 N = pkg.protectedBroadcasts.size(); 8842 for (i=0; i<N; i++) { 8843 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8844 } 8845 } 8846 8847 pkgSetting.setTimeStamp(scanFileTime); 8848 8849 // Create idmap files for pairs of (packages, overlay packages). 8850 // Note: "android", ie framework-res.apk, is handled by native layers. 8851 if (pkg.mOverlayTarget != null) { 8852 // This is an overlay package. 8853 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8854 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8855 mOverlays.put(pkg.mOverlayTarget, 8856 new ArrayMap<String, PackageParser.Package>()); 8857 } 8858 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8859 map.put(pkg.packageName, pkg); 8860 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8861 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8862 createIdmapFailed = true; 8863 } 8864 } 8865 } else if (mOverlays.containsKey(pkg.packageName) && 8866 !pkg.packageName.equals("android")) { 8867 // This is a regular package, with one or more known overlay packages. 8868 createIdmapsForPackageLI(pkg); 8869 } 8870 } 8871 8872 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8873 8874 if (createIdmapFailed) { 8875 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8876 "scanPackageLI failed to createIdmap"); 8877 } 8878 return pkg; 8879 } 8880 8881 /** 8882 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8883 * is derived purely on the basis of the contents of {@code scanFile} and 8884 * {@code cpuAbiOverride}. 8885 * 8886 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8887 */ 8888 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8889 String cpuAbiOverride, boolean extractLibs) 8890 throws PackageManagerException { 8891 // TODO: We can probably be smarter about this stuff. For installed apps, 8892 // we can calculate this information at install time once and for all. For 8893 // system apps, we can probably assume that this information doesn't change 8894 // after the first boot scan. As things stand, we do lots of unnecessary work. 8895 8896 // Give ourselves some initial paths; we'll come back for another 8897 // pass once we've determined ABI below. 8898 setNativeLibraryPaths(pkg); 8899 8900 // We would never need to extract libs for forward-locked and external packages, 8901 // since the container service will do it for us. We shouldn't attempt to 8902 // extract libs from system app when it was not updated. 8903 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8904 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8905 extractLibs = false; 8906 } 8907 8908 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8909 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8910 8911 NativeLibraryHelper.Handle handle = null; 8912 try { 8913 handle = NativeLibraryHelper.Handle.create(pkg); 8914 // TODO(multiArch): This can be null for apps that didn't go through the 8915 // usual installation process. We can calculate it again, like we 8916 // do during install time. 8917 // 8918 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8919 // unnecessary. 8920 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8921 8922 // Null out the abis so that they can be recalculated. 8923 pkg.applicationInfo.primaryCpuAbi = null; 8924 pkg.applicationInfo.secondaryCpuAbi = null; 8925 if (isMultiArch(pkg.applicationInfo)) { 8926 // Warn if we've set an abiOverride for multi-lib packages.. 8927 // By definition, we need to copy both 32 and 64 bit libraries for 8928 // such packages. 8929 if (pkg.cpuAbiOverride != null 8930 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8931 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8932 } 8933 8934 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8935 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8936 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8937 if (extractLibs) { 8938 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8939 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8940 useIsaSpecificSubdirs); 8941 } else { 8942 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8943 } 8944 } 8945 8946 maybeThrowExceptionForMultiArchCopy( 8947 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8948 8949 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8950 if (extractLibs) { 8951 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8952 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8953 useIsaSpecificSubdirs); 8954 } else { 8955 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8956 } 8957 } 8958 8959 maybeThrowExceptionForMultiArchCopy( 8960 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8961 8962 if (abi64 >= 0) { 8963 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8964 } 8965 8966 if (abi32 >= 0) { 8967 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8968 if (abi64 >= 0) { 8969 if (pkg.use32bitAbi) { 8970 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8971 pkg.applicationInfo.primaryCpuAbi = abi; 8972 } else { 8973 pkg.applicationInfo.secondaryCpuAbi = abi; 8974 } 8975 } else { 8976 pkg.applicationInfo.primaryCpuAbi = abi; 8977 } 8978 } 8979 8980 } else { 8981 String[] abiList = (cpuAbiOverride != null) ? 8982 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8983 8984 // Enable gross and lame hacks for apps that are built with old 8985 // SDK tools. We must scan their APKs for renderscript bitcode and 8986 // not launch them if it's present. Don't bother checking on devices 8987 // that don't have 64 bit support. 8988 boolean needsRenderScriptOverride = false; 8989 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8990 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8991 abiList = Build.SUPPORTED_32_BIT_ABIS; 8992 needsRenderScriptOverride = true; 8993 } 8994 8995 final int copyRet; 8996 if (extractLibs) { 8997 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8998 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8999 } else { 9000 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9001 } 9002 9003 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9004 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9005 "Error unpackaging native libs for app, errorCode=" + copyRet); 9006 } 9007 9008 if (copyRet >= 0) { 9009 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9010 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9011 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9012 } else if (needsRenderScriptOverride) { 9013 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9014 } 9015 } 9016 } catch (IOException ioe) { 9017 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9018 } finally { 9019 IoUtils.closeQuietly(handle); 9020 } 9021 9022 // Now that we've calculated the ABIs and determined if it's an internal app, 9023 // we will go ahead and populate the nativeLibraryPath. 9024 setNativeLibraryPaths(pkg); 9025 } 9026 9027 /** 9028 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9029 * i.e, so that all packages can be run inside a single process if required. 9030 * 9031 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9032 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9033 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9034 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9035 * updating a package that belongs to a shared user. 9036 * 9037 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9038 * adds unnecessary complexity. 9039 */ 9040 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9041 PackageParser.Package scannedPackage, boolean bootComplete) { 9042 String requiredInstructionSet = null; 9043 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9044 requiredInstructionSet = VMRuntime.getInstructionSet( 9045 scannedPackage.applicationInfo.primaryCpuAbi); 9046 } 9047 9048 PackageSetting requirer = null; 9049 for (PackageSetting ps : packagesForUser) { 9050 // If packagesForUser contains scannedPackage, we skip it. This will happen 9051 // when scannedPackage is an update of an existing package. Without this check, 9052 // we will never be able to change the ABI of any package belonging to a shared 9053 // user, even if it's compatible with other packages. 9054 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9055 if (ps.primaryCpuAbiString == null) { 9056 continue; 9057 } 9058 9059 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9060 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9061 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9062 // this but there's not much we can do. 9063 String errorMessage = "Instruction set mismatch, " 9064 + ((requirer == null) ? "[caller]" : requirer) 9065 + " requires " + requiredInstructionSet + " whereas " + ps 9066 + " requires " + instructionSet; 9067 Slog.w(TAG, errorMessage); 9068 } 9069 9070 if (requiredInstructionSet == null) { 9071 requiredInstructionSet = instructionSet; 9072 requirer = ps; 9073 } 9074 } 9075 } 9076 9077 if (requiredInstructionSet != null) { 9078 String adjustedAbi; 9079 if (requirer != null) { 9080 // requirer != null implies that either scannedPackage was null or that scannedPackage 9081 // did not require an ABI, in which case we have to adjust scannedPackage to match 9082 // the ABI of the set (which is the same as requirer's ABI) 9083 adjustedAbi = requirer.primaryCpuAbiString; 9084 if (scannedPackage != null) { 9085 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9086 } 9087 } else { 9088 // requirer == null implies that we're updating all ABIs in the set to 9089 // match scannedPackage. 9090 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9091 } 9092 9093 for (PackageSetting ps : packagesForUser) { 9094 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9095 if (ps.primaryCpuAbiString != null) { 9096 continue; 9097 } 9098 9099 ps.primaryCpuAbiString = adjustedAbi; 9100 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9101 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9102 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9103 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9104 + " (requirer=" 9105 + (requirer == null ? "null" : requirer.pkg.packageName) 9106 + ", scannedPackage=" 9107 + (scannedPackage != null ? scannedPackage.packageName : "null") 9108 + ")"); 9109 try { 9110 mInstaller.rmdex(ps.codePathString, 9111 getDexCodeInstructionSet(getPreferredInstructionSet())); 9112 } catch (InstallerException ignored) { 9113 } 9114 } 9115 } 9116 } 9117 } 9118 } 9119 9120 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9121 synchronized (mPackages) { 9122 mResolverReplaced = true; 9123 // Set up information for custom user intent resolution activity. 9124 mResolveActivity.applicationInfo = pkg.applicationInfo; 9125 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9126 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9127 mResolveActivity.processName = pkg.applicationInfo.packageName; 9128 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9129 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9130 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9131 mResolveActivity.theme = 0; 9132 mResolveActivity.exported = true; 9133 mResolveActivity.enabled = true; 9134 mResolveInfo.activityInfo = mResolveActivity; 9135 mResolveInfo.priority = 0; 9136 mResolveInfo.preferredOrder = 0; 9137 mResolveInfo.match = 0; 9138 mResolveComponentName = mCustomResolverComponentName; 9139 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9140 mResolveComponentName); 9141 } 9142 } 9143 9144 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9145 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9146 9147 // Set up information for ephemeral installer activity 9148 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9149 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9150 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9151 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9152 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9153 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9154 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9155 mEphemeralInstallerActivity.theme = 0; 9156 mEphemeralInstallerActivity.exported = true; 9157 mEphemeralInstallerActivity.enabled = true; 9158 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9159 mEphemeralInstallerInfo.priority = 0; 9160 mEphemeralInstallerInfo.preferredOrder = 0; 9161 mEphemeralInstallerInfo.match = 0; 9162 9163 if (DEBUG_EPHEMERAL) { 9164 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9165 } 9166 } 9167 9168 private static String calculateBundledApkRoot(final String codePathString) { 9169 final File codePath = new File(codePathString); 9170 final File codeRoot; 9171 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9172 codeRoot = Environment.getRootDirectory(); 9173 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9174 codeRoot = Environment.getOemDirectory(); 9175 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9176 codeRoot = Environment.getVendorDirectory(); 9177 } else { 9178 // Unrecognized code path; take its top real segment as the apk root: 9179 // e.g. /something/app/blah.apk => /something 9180 try { 9181 File f = codePath.getCanonicalFile(); 9182 File parent = f.getParentFile(); // non-null because codePath is a file 9183 File tmp; 9184 while ((tmp = parent.getParentFile()) != null) { 9185 f = parent; 9186 parent = tmp; 9187 } 9188 codeRoot = f; 9189 Slog.w(TAG, "Unrecognized code path " 9190 + codePath + " - using " + codeRoot); 9191 } catch (IOException e) { 9192 // Can't canonicalize the code path -- shenanigans? 9193 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9194 return Environment.getRootDirectory().getPath(); 9195 } 9196 } 9197 return codeRoot.getPath(); 9198 } 9199 9200 /** 9201 * Derive and set the location of native libraries for the given package, 9202 * which varies depending on where and how the package was installed. 9203 */ 9204 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9205 final ApplicationInfo info = pkg.applicationInfo; 9206 final String codePath = pkg.codePath; 9207 final File codeFile = new File(codePath); 9208 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9209 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9210 9211 info.nativeLibraryRootDir = null; 9212 info.nativeLibraryRootRequiresIsa = false; 9213 info.nativeLibraryDir = null; 9214 info.secondaryNativeLibraryDir = null; 9215 9216 if (isApkFile(codeFile)) { 9217 // Monolithic install 9218 if (bundledApp) { 9219 // If "/system/lib64/apkname" exists, assume that is the per-package 9220 // native library directory to use; otherwise use "/system/lib/apkname". 9221 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9222 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9223 getPrimaryInstructionSet(info)); 9224 9225 // This is a bundled system app so choose the path based on the ABI. 9226 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9227 // is just the default path. 9228 final String apkName = deriveCodePathName(codePath); 9229 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9230 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9231 apkName).getAbsolutePath(); 9232 9233 if (info.secondaryCpuAbi != null) { 9234 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9235 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9236 secondaryLibDir, apkName).getAbsolutePath(); 9237 } 9238 } else if (asecApp) { 9239 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9240 .getAbsolutePath(); 9241 } else { 9242 final String apkName = deriveCodePathName(codePath); 9243 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9244 .getAbsolutePath(); 9245 } 9246 9247 info.nativeLibraryRootRequiresIsa = false; 9248 info.nativeLibraryDir = info.nativeLibraryRootDir; 9249 } else { 9250 // Cluster install 9251 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9252 info.nativeLibraryRootRequiresIsa = true; 9253 9254 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9255 getPrimaryInstructionSet(info)).getAbsolutePath(); 9256 9257 if (info.secondaryCpuAbi != null) { 9258 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9259 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9260 } 9261 } 9262 } 9263 9264 /** 9265 * Calculate the abis and roots for a bundled app. These can uniquely 9266 * be determined from the contents of the system partition, i.e whether 9267 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9268 * of this information, and instead assume that the system was built 9269 * sensibly. 9270 */ 9271 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9272 PackageSetting pkgSetting) { 9273 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9274 9275 // If "/system/lib64/apkname" exists, assume that is the per-package 9276 // native library directory to use; otherwise use "/system/lib/apkname". 9277 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9278 setBundledAppAbi(pkg, apkRoot, apkName); 9279 // pkgSetting might be null during rescan following uninstall of updates 9280 // to a bundled app, so accommodate that possibility. The settings in 9281 // that case will be established later from the parsed package. 9282 // 9283 // If the settings aren't null, sync them up with what we've just derived. 9284 // note that apkRoot isn't stored in the package settings. 9285 if (pkgSetting != null) { 9286 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9287 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9288 } 9289 } 9290 9291 /** 9292 * Deduces the ABI of a bundled app and sets the relevant fields on the 9293 * parsed pkg object. 9294 * 9295 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9296 * under which system libraries are installed. 9297 * @param apkName the name of the installed package. 9298 */ 9299 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9300 final File codeFile = new File(pkg.codePath); 9301 9302 final boolean has64BitLibs; 9303 final boolean has32BitLibs; 9304 if (isApkFile(codeFile)) { 9305 // Monolithic install 9306 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9307 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9308 } else { 9309 // Cluster install 9310 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9311 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9312 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9313 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9314 has64BitLibs = (new File(rootDir, isa)).exists(); 9315 } else { 9316 has64BitLibs = false; 9317 } 9318 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9319 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9320 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9321 has32BitLibs = (new File(rootDir, isa)).exists(); 9322 } else { 9323 has32BitLibs = false; 9324 } 9325 } 9326 9327 if (has64BitLibs && !has32BitLibs) { 9328 // The package has 64 bit libs, but not 32 bit libs. Its primary 9329 // ABI should be 64 bit. We can safely assume here that the bundled 9330 // native libraries correspond to the most preferred ABI in the list. 9331 9332 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9333 pkg.applicationInfo.secondaryCpuAbi = null; 9334 } else if (has32BitLibs && !has64BitLibs) { 9335 // The package has 32 bit libs but not 64 bit libs. Its primary 9336 // ABI should be 32 bit. 9337 9338 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9339 pkg.applicationInfo.secondaryCpuAbi = null; 9340 } else if (has32BitLibs && has64BitLibs) { 9341 // The application has both 64 and 32 bit bundled libraries. We check 9342 // here that the app declares multiArch support, and warn if it doesn't. 9343 // 9344 // We will be lenient here and record both ABIs. The primary will be the 9345 // ABI that's higher on the list, i.e, a device that's configured to prefer 9346 // 64 bit apps will see a 64 bit primary ABI, 9347 9348 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9349 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9350 } 9351 9352 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9353 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9354 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9355 } else { 9356 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9357 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9358 } 9359 } else { 9360 pkg.applicationInfo.primaryCpuAbi = null; 9361 pkg.applicationInfo.secondaryCpuAbi = null; 9362 } 9363 } 9364 9365 private void killApplication(String pkgName, int appId, String reason) { 9366 // Request the ActivityManager to kill the process(only for existing packages) 9367 // so that we do not end up in a confused state while the user is still using the older 9368 // version of the application while the new one gets installed. 9369 final long token = Binder.clearCallingIdentity(); 9370 try { 9371 IActivityManager am = ActivityManagerNative.getDefault(); 9372 if (am != null) { 9373 try { 9374 am.killApplicationWithAppId(pkgName, appId, reason); 9375 } catch (RemoteException e) { 9376 } 9377 } 9378 } finally { 9379 Binder.restoreCallingIdentity(token); 9380 } 9381 } 9382 9383 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9384 // Remove the parent package setting 9385 PackageSetting ps = (PackageSetting) pkg.mExtras; 9386 if (ps != null) { 9387 removePackageLI(ps, chatty); 9388 } 9389 // Remove the child package setting 9390 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9391 for (int i = 0; i < childCount; i++) { 9392 PackageParser.Package childPkg = pkg.childPackages.get(i); 9393 ps = (PackageSetting) childPkg.mExtras; 9394 if (ps != null) { 9395 removePackageLI(ps, chatty); 9396 } 9397 } 9398 } 9399 9400 void removePackageLI(PackageSetting ps, boolean chatty) { 9401 if (DEBUG_INSTALL) { 9402 if (chatty) 9403 Log.d(TAG, "Removing package " + ps.name); 9404 } 9405 9406 // writer 9407 synchronized (mPackages) { 9408 mPackages.remove(ps.name); 9409 final PackageParser.Package pkg = ps.pkg; 9410 if (pkg != null) { 9411 cleanPackageDataStructuresLILPw(pkg, chatty); 9412 } 9413 } 9414 } 9415 9416 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9417 if (DEBUG_INSTALL) { 9418 if (chatty) 9419 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9420 } 9421 9422 // writer 9423 synchronized (mPackages) { 9424 // Remove the parent package 9425 mPackages.remove(pkg.applicationInfo.packageName); 9426 cleanPackageDataStructuresLILPw(pkg, chatty); 9427 9428 // Remove the child packages 9429 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9430 for (int i = 0; i < childCount; i++) { 9431 PackageParser.Package childPkg = pkg.childPackages.get(i); 9432 mPackages.remove(childPkg.applicationInfo.packageName); 9433 cleanPackageDataStructuresLILPw(childPkg, chatty); 9434 } 9435 } 9436 } 9437 9438 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9439 int N = pkg.providers.size(); 9440 StringBuilder r = null; 9441 int i; 9442 for (i=0; i<N; i++) { 9443 PackageParser.Provider p = pkg.providers.get(i); 9444 mProviders.removeProvider(p); 9445 if (p.info.authority == null) { 9446 9447 /* There was another ContentProvider with this authority when 9448 * this app was installed so this authority is null, 9449 * Ignore it as we don't have to unregister the provider. 9450 */ 9451 continue; 9452 } 9453 String names[] = p.info.authority.split(";"); 9454 for (int j = 0; j < names.length; j++) { 9455 if (mProvidersByAuthority.get(names[j]) == p) { 9456 mProvidersByAuthority.remove(names[j]); 9457 if (DEBUG_REMOVE) { 9458 if (chatty) 9459 Log.d(TAG, "Unregistered content provider: " + names[j] 9460 + ", className = " + p.info.name + ", isSyncable = " 9461 + p.info.isSyncable); 9462 } 9463 } 9464 } 9465 if (DEBUG_REMOVE && chatty) { 9466 if (r == null) { 9467 r = new StringBuilder(256); 9468 } else { 9469 r.append(' '); 9470 } 9471 r.append(p.info.name); 9472 } 9473 } 9474 if (r != null) { 9475 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9476 } 9477 9478 N = pkg.services.size(); 9479 r = null; 9480 for (i=0; i<N; i++) { 9481 PackageParser.Service s = pkg.services.get(i); 9482 mServices.removeService(s); 9483 if (chatty) { 9484 if (r == null) { 9485 r = new StringBuilder(256); 9486 } else { 9487 r.append(' '); 9488 } 9489 r.append(s.info.name); 9490 } 9491 } 9492 if (r != null) { 9493 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9494 } 9495 9496 N = pkg.receivers.size(); 9497 r = null; 9498 for (i=0; i<N; i++) { 9499 PackageParser.Activity a = pkg.receivers.get(i); 9500 mReceivers.removeActivity(a, "receiver"); 9501 if (DEBUG_REMOVE && chatty) { 9502 if (r == null) { 9503 r = new StringBuilder(256); 9504 } else { 9505 r.append(' '); 9506 } 9507 r.append(a.info.name); 9508 } 9509 } 9510 if (r != null) { 9511 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9512 } 9513 9514 N = pkg.activities.size(); 9515 r = null; 9516 for (i=0; i<N; i++) { 9517 PackageParser.Activity a = pkg.activities.get(i); 9518 mActivities.removeActivity(a, "activity"); 9519 if (DEBUG_REMOVE && chatty) { 9520 if (r == null) { 9521 r = new StringBuilder(256); 9522 } else { 9523 r.append(' '); 9524 } 9525 r.append(a.info.name); 9526 } 9527 } 9528 if (r != null) { 9529 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9530 } 9531 9532 N = pkg.permissions.size(); 9533 r = null; 9534 for (i=0; i<N; i++) { 9535 PackageParser.Permission p = pkg.permissions.get(i); 9536 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9537 if (bp == null) { 9538 bp = mSettings.mPermissionTrees.get(p.info.name); 9539 } 9540 if (bp != null && bp.perm == p) { 9541 bp.perm = null; 9542 if (DEBUG_REMOVE && chatty) { 9543 if (r == null) { 9544 r = new StringBuilder(256); 9545 } else { 9546 r.append(' '); 9547 } 9548 r.append(p.info.name); 9549 } 9550 } 9551 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9552 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9553 if (appOpPkgs != null) { 9554 appOpPkgs.remove(pkg.packageName); 9555 } 9556 } 9557 } 9558 if (r != null) { 9559 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9560 } 9561 9562 N = pkg.requestedPermissions.size(); 9563 r = null; 9564 for (i=0; i<N; i++) { 9565 String perm = pkg.requestedPermissions.get(i); 9566 BasePermission bp = mSettings.mPermissions.get(perm); 9567 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9568 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9569 if (appOpPkgs != null) { 9570 appOpPkgs.remove(pkg.packageName); 9571 if (appOpPkgs.isEmpty()) { 9572 mAppOpPermissionPackages.remove(perm); 9573 } 9574 } 9575 } 9576 } 9577 if (r != null) { 9578 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9579 } 9580 9581 N = pkg.instrumentation.size(); 9582 r = null; 9583 for (i=0; i<N; i++) { 9584 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9585 mInstrumentation.remove(a.getComponentName()); 9586 if (DEBUG_REMOVE && chatty) { 9587 if (r == null) { 9588 r = new StringBuilder(256); 9589 } else { 9590 r.append(' '); 9591 } 9592 r.append(a.info.name); 9593 } 9594 } 9595 if (r != null) { 9596 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9597 } 9598 9599 r = null; 9600 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9601 // Only system apps can hold shared libraries. 9602 if (pkg.libraryNames != null) { 9603 for (i=0; i<pkg.libraryNames.size(); i++) { 9604 String name = pkg.libraryNames.get(i); 9605 SharedLibraryEntry cur = mSharedLibraries.get(name); 9606 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9607 mSharedLibraries.remove(name); 9608 if (DEBUG_REMOVE && chatty) { 9609 if (r == null) { 9610 r = new StringBuilder(256); 9611 } else { 9612 r.append(' '); 9613 } 9614 r.append(name); 9615 } 9616 } 9617 } 9618 } 9619 } 9620 if (r != null) { 9621 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9622 } 9623 } 9624 9625 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9626 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9627 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9628 return true; 9629 } 9630 } 9631 return false; 9632 } 9633 9634 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9635 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9636 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9637 9638 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9639 // Update the parent permissions 9640 updatePermissionsLPw(pkg.packageName, pkg, flags); 9641 // Update the child permissions 9642 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9643 for (int i = 0; i < childCount; i++) { 9644 PackageParser.Package childPkg = pkg.childPackages.get(i); 9645 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9646 } 9647 } 9648 9649 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9650 int flags) { 9651 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9652 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9653 } 9654 9655 private void updatePermissionsLPw(String changingPkg, 9656 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9657 // Make sure there are no dangling permission trees. 9658 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9659 while (it.hasNext()) { 9660 final BasePermission bp = it.next(); 9661 if (bp.packageSetting == null) { 9662 // We may not yet have parsed the package, so just see if 9663 // we still know about its settings. 9664 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9665 } 9666 if (bp.packageSetting == null) { 9667 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9668 + " from package " + bp.sourcePackage); 9669 it.remove(); 9670 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9671 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9672 Slog.i(TAG, "Removing old permission tree: " + bp.name 9673 + " from package " + bp.sourcePackage); 9674 flags |= UPDATE_PERMISSIONS_ALL; 9675 it.remove(); 9676 } 9677 } 9678 } 9679 9680 // Make sure all dynamic permissions have been assigned to a package, 9681 // and make sure there are no dangling permissions. 9682 it = mSettings.mPermissions.values().iterator(); 9683 while (it.hasNext()) { 9684 final BasePermission bp = it.next(); 9685 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9686 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9687 + bp.name + " pkg=" + bp.sourcePackage 9688 + " info=" + bp.pendingInfo); 9689 if (bp.packageSetting == null && bp.pendingInfo != null) { 9690 final BasePermission tree = findPermissionTreeLP(bp.name); 9691 if (tree != null && tree.perm != null) { 9692 bp.packageSetting = tree.packageSetting; 9693 bp.perm = new PackageParser.Permission(tree.perm.owner, 9694 new PermissionInfo(bp.pendingInfo)); 9695 bp.perm.info.packageName = tree.perm.info.packageName; 9696 bp.perm.info.name = bp.name; 9697 bp.uid = tree.uid; 9698 } 9699 } 9700 } 9701 if (bp.packageSetting == null) { 9702 // We may not yet have parsed the package, so just see if 9703 // we still know about its settings. 9704 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9705 } 9706 if (bp.packageSetting == null) { 9707 Slog.w(TAG, "Removing dangling permission: " + bp.name 9708 + " from package " + bp.sourcePackage); 9709 it.remove(); 9710 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9711 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9712 Slog.i(TAG, "Removing old permission: " + bp.name 9713 + " from package " + bp.sourcePackage); 9714 flags |= UPDATE_PERMISSIONS_ALL; 9715 it.remove(); 9716 } 9717 } 9718 } 9719 9720 // Now update the permissions for all packages, in particular 9721 // replace the granted permissions of the system packages. 9722 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9723 for (PackageParser.Package pkg : mPackages.values()) { 9724 if (pkg != pkgInfo) { 9725 // Only replace for packages on requested volume 9726 final String volumeUuid = getVolumeUuidForPackage(pkg); 9727 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9728 && Objects.equals(replaceVolumeUuid, volumeUuid); 9729 grantPermissionsLPw(pkg, replace, changingPkg); 9730 } 9731 } 9732 } 9733 9734 if (pkgInfo != null) { 9735 // Only replace for packages on requested volume 9736 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9737 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9738 && Objects.equals(replaceVolumeUuid, volumeUuid); 9739 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9740 } 9741 } 9742 9743 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9744 String packageOfInterest) { 9745 // IMPORTANT: There are two types of permissions: install and runtime. 9746 // Install time permissions are granted when the app is installed to 9747 // all device users and users added in the future. Runtime permissions 9748 // are granted at runtime explicitly to specific users. Normal and signature 9749 // protected permissions are install time permissions. Dangerous permissions 9750 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9751 // otherwise they are runtime permissions. This function does not manage 9752 // runtime permissions except for the case an app targeting Lollipop MR1 9753 // being upgraded to target a newer SDK, in which case dangerous permissions 9754 // are transformed from install time to runtime ones. 9755 9756 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9757 if (ps == null) { 9758 return; 9759 } 9760 9761 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9762 9763 PermissionsState permissionsState = ps.getPermissionsState(); 9764 PermissionsState origPermissions = permissionsState; 9765 9766 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9767 9768 boolean runtimePermissionsRevoked = false; 9769 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9770 9771 boolean changedInstallPermission = false; 9772 9773 if (replace) { 9774 ps.installPermissionsFixed = false; 9775 if (!ps.isSharedUser()) { 9776 origPermissions = new PermissionsState(permissionsState); 9777 permissionsState.reset(); 9778 } else { 9779 // We need to know only about runtime permission changes since the 9780 // calling code always writes the install permissions state but 9781 // the runtime ones are written only if changed. The only cases of 9782 // changed runtime permissions here are promotion of an install to 9783 // runtime and revocation of a runtime from a shared user. 9784 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9785 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9786 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9787 runtimePermissionsRevoked = true; 9788 } 9789 } 9790 } 9791 9792 permissionsState.setGlobalGids(mGlobalGids); 9793 9794 final int N = pkg.requestedPermissions.size(); 9795 for (int i=0; i<N; i++) { 9796 final String name = pkg.requestedPermissions.get(i); 9797 final BasePermission bp = mSettings.mPermissions.get(name); 9798 9799 if (DEBUG_INSTALL) { 9800 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9801 } 9802 9803 if (bp == null || bp.packageSetting == null) { 9804 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9805 Slog.w(TAG, "Unknown permission " + name 9806 + " in package " + pkg.packageName); 9807 } 9808 continue; 9809 } 9810 9811 final String perm = bp.name; 9812 boolean allowedSig = false; 9813 int grant = GRANT_DENIED; 9814 9815 // Keep track of app op permissions. 9816 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9817 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9818 if (pkgs == null) { 9819 pkgs = new ArraySet<>(); 9820 mAppOpPermissionPackages.put(bp.name, pkgs); 9821 } 9822 pkgs.add(pkg.packageName); 9823 } 9824 9825 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9826 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9827 >= Build.VERSION_CODES.M; 9828 switch (level) { 9829 case PermissionInfo.PROTECTION_NORMAL: { 9830 // For all apps normal permissions are install time ones. 9831 grant = GRANT_INSTALL; 9832 } break; 9833 9834 case PermissionInfo.PROTECTION_DANGEROUS: { 9835 // If a permission review is required for legacy apps we represent 9836 // their permissions as always granted runtime ones since we need 9837 // to keep the review required permission flag per user while an 9838 // install permission's state is shared across all users. 9839 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9840 // For legacy apps dangerous permissions are install time ones. 9841 grant = GRANT_INSTALL; 9842 } else if (origPermissions.hasInstallPermission(bp.name)) { 9843 // For legacy apps that became modern, install becomes runtime. 9844 grant = GRANT_UPGRADE; 9845 } else if (mPromoteSystemApps 9846 && isSystemApp(ps) 9847 && mExistingSystemPackages.contains(ps.name)) { 9848 // For legacy system apps, install becomes runtime. 9849 // We cannot check hasInstallPermission() for system apps since those 9850 // permissions were granted implicitly and not persisted pre-M. 9851 grant = GRANT_UPGRADE; 9852 } else { 9853 // For modern apps keep runtime permissions unchanged. 9854 grant = GRANT_RUNTIME; 9855 } 9856 } break; 9857 9858 case PermissionInfo.PROTECTION_SIGNATURE: { 9859 // For all apps signature permissions are install time ones. 9860 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9861 if (allowedSig) { 9862 grant = GRANT_INSTALL; 9863 } 9864 } break; 9865 } 9866 9867 if (DEBUG_INSTALL) { 9868 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9869 } 9870 9871 if (grant != GRANT_DENIED) { 9872 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9873 // If this is an existing, non-system package, then 9874 // we can't add any new permissions to it. 9875 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9876 // Except... if this is a permission that was added 9877 // to the platform (note: need to only do this when 9878 // updating the platform). 9879 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9880 grant = GRANT_DENIED; 9881 } 9882 } 9883 } 9884 9885 switch (grant) { 9886 case GRANT_INSTALL: { 9887 // Revoke this as runtime permission to handle the case of 9888 // a runtime permission being downgraded to an install one. 9889 // Also in permission review mode we keep dangerous permissions 9890 // for legacy apps 9891 for (int userId : UserManagerService.getInstance().getUserIds()) { 9892 if (origPermissions.getRuntimePermissionState( 9893 bp.name, userId) != null) { 9894 // Revoke the runtime permission and clear the flags. 9895 origPermissions.revokeRuntimePermission(bp, userId); 9896 origPermissions.updatePermissionFlags(bp, userId, 9897 PackageManager.MASK_PERMISSION_FLAGS, 0); 9898 // If we revoked a permission permission, we have to write. 9899 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9900 changedRuntimePermissionUserIds, userId); 9901 } 9902 } 9903 // Grant an install permission. 9904 if (permissionsState.grantInstallPermission(bp) != 9905 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9906 changedInstallPermission = true; 9907 } 9908 } break; 9909 9910 case GRANT_RUNTIME: { 9911 // Grant previously granted runtime permissions. 9912 for (int userId : UserManagerService.getInstance().getUserIds()) { 9913 PermissionState permissionState = origPermissions 9914 .getRuntimePermissionState(bp.name, userId); 9915 int flags = permissionState != null 9916 ? permissionState.getFlags() : 0; 9917 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9918 if (permissionsState.grantRuntimePermission(bp, userId) == 9919 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9920 // If we cannot put the permission as it was, we have to write. 9921 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9922 changedRuntimePermissionUserIds, userId); 9923 } 9924 // If the app supports runtime permissions no need for a review. 9925 if (Build.PERMISSIONS_REVIEW_REQUIRED 9926 && appSupportsRuntimePermissions 9927 && (flags & PackageManager 9928 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9929 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9930 // Since we changed the flags, we have to write. 9931 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9932 changedRuntimePermissionUserIds, userId); 9933 } 9934 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9935 && !appSupportsRuntimePermissions) { 9936 // For legacy apps that need a permission review, every new 9937 // runtime permission is granted but it is pending a review. 9938 // We also need to review only platform defined runtime 9939 // permissions as these are the only ones the platform knows 9940 // how to disable the API to simulate revocation as legacy 9941 // apps don't expect to run with revoked permissions. 9942 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 9943 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9944 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9945 // We changed the flags, hence have to write. 9946 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9947 changedRuntimePermissionUserIds, userId); 9948 } 9949 } 9950 if (permissionsState.grantRuntimePermission(bp, userId) 9951 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9952 // We changed the permission, hence have to write. 9953 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9954 changedRuntimePermissionUserIds, userId); 9955 } 9956 } 9957 // Propagate the permission flags. 9958 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9959 } 9960 } break; 9961 9962 case GRANT_UPGRADE: { 9963 // Grant runtime permissions for a previously held install permission. 9964 PermissionState permissionState = origPermissions 9965 .getInstallPermissionState(bp.name); 9966 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9967 9968 if (origPermissions.revokeInstallPermission(bp) 9969 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9970 // We will be transferring the permission flags, so clear them. 9971 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9972 PackageManager.MASK_PERMISSION_FLAGS, 0); 9973 changedInstallPermission = true; 9974 } 9975 9976 // If the permission is not to be promoted to runtime we ignore it and 9977 // also its other flags as they are not applicable to install permissions. 9978 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9979 for (int userId : currentUserIds) { 9980 if (permissionsState.grantRuntimePermission(bp, userId) != 9981 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9982 // Transfer the permission flags. 9983 permissionsState.updatePermissionFlags(bp, userId, 9984 flags, flags); 9985 // If we granted the permission, we have to write. 9986 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9987 changedRuntimePermissionUserIds, userId); 9988 } 9989 } 9990 } 9991 } break; 9992 9993 default: { 9994 if (packageOfInterest == null 9995 || packageOfInterest.equals(pkg.packageName)) { 9996 Slog.w(TAG, "Not granting permission " + perm 9997 + " to package " + pkg.packageName 9998 + " because it was previously installed without"); 9999 } 10000 } break; 10001 } 10002 } else { 10003 if (permissionsState.revokeInstallPermission(bp) != 10004 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10005 // Also drop the permission flags. 10006 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10007 PackageManager.MASK_PERMISSION_FLAGS, 0); 10008 changedInstallPermission = true; 10009 Slog.i(TAG, "Un-granting permission " + perm 10010 + " from package " + pkg.packageName 10011 + " (protectionLevel=" + bp.protectionLevel 10012 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10013 + ")"); 10014 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10015 // Don't print warning for app op permissions, since it is fine for them 10016 // not to be granted, there is a UI for the user to decide. 10017 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10018 Slog.w(TAG, "Not granting permission " + perm 10019 + " to package " + pkg.packageName 10020 + " (protectionLevel=" + bp.protectionLevel 10021 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10022 + ")"); 10023 } 10024 } 10025 } 10026 } 10027 10028 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10029 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10030 // This is the first that we have heard about this package, so the 10031 // permissions we have now selected are fixed until explicitly 10032 // changed. 10033 ps.installPermissionsFixed = true; 10034 } 10035 10036 // Persist the runtime permissions state for users with changes. If permissions 10037 // were revoked because no app in the shared user declares them we have to 10038 // write synchronously to avoid losing runtime permissions state. 10039 for (int userId : changedRuntimePermissionUserIds) { 10040 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10041 } 10042 10043 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10044 } 10045 10046 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10047 boolean allowed = false; 10048 final int NP = PackageParser.NEW_PERMISSIONS.length; 10049 for (int ip=0; ip<NP; ip++) { 10050 final PackageParser.NewPermissionInfo npi 10051 = PackageParser.NEW_PERMISSIONS[ip]; 10052 if (npi.name.equals(perm) 10053 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10054 allowed = true; 10055 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10056 + pkg.packageName); 10057 break; 10058 } 10059 } 10060 return allowed; 10061 } 10062 10063 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10064 BasePermission bp, PermissionsState origPermissions) { 10065 boolean allowed; 10066 allowed = (compareSignatures( 10067 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10068 == PackageManager.SIGNATURE_MATCH) 10069 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10070 == PackageManager.SIGNATURE_MATCH); 10071 if (!allowed && (bp.protectionLevel 10072 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10073 if (isSystemApp(pkg)) { 10074 // For updated system applications, a system permission 10075 // is granted only if it had been defined by the original application. 10076 if (pkg.isUpdatedSystemApp()) { 10077 final PackageSetting sysPs = mSettings 10078 .getDisabledSystemPkgLPr(pkg.packageName); 10079 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10080 // If the original was granted this permission, we take 10081 // that grant decision as read and propagate it to the 10082 // update. 10083 if (sysPs.isPrivileged()) { 10084 allowed = true; 10085 } 10086 } else { 10087 // The system apk may have been updated with an older 10088 // version of the one on the data partition, but which 10089 // granted a new system permission that it didn't have 10090 // before. In this case we do want to allow the app to 10091 // now get the new permission if the ancestral apk is 10092 // privileged to get it. 10093 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10094 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10095 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10096 allowed = true; 10097 break; 10098 } 10099 } 10100 } 10101 // Also if a privileged parent package on the system image or any of 10102 // its children requested a privileged permission, the updated child 10103 // packages can also get the permission. 10104 if (pkg.parentPackage != null) { 10105 final PackageSetting disabledSysParentPs = mSettings 10106 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10107 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10108 && disabledSysParentPs.isPrivileged()) { 10109 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10110 allowed = true; 10111 } else if (disabledSysParentPs.pkg.childPackages != null) { 10112 final int count = disabledSysParentPs.pkg.childPackages.size(); 10113 for (int i = 0; i < count; i++) { 10114 PackageParser.Package disabledSysChildPkg = 10115 disabledSysParentPs.pkg.childPackages.get(i); 10116 if (isPackageRequestingPermission(disabledSysChildPkg, 10117 perm)) { 10118 allowed = true; 10119 break; 10120 } 10121 } 10122 } 10123 } 10124 } 10125 } 10126 } else { 10127 allowed = isPrivilegedApp(pkg); 10128 } 10129 } 10130 } 10131 if (!allowed) { 10132 if (!allowed && (bp.protectionLevel 10133 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10134 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10135 // If this was a previously normal/dangerous permission that got moved 10136 // to a system permission as part of the runtime permission redesign, then 10137 // we still want to blindly grant it to old apps. 10138 allowed = true; 10139 } 10140 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10141 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10142 // If this permission is to be granted to the system installer and 10143 // this app is an installer, then it gets the permission. 10144 allowed = true; 10145 } 10146 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10147 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10148 // If this permission is to be granted to the system verifier and 10149 // this app is a verifier, then it gets the permission. 10150 allowed = true; 10151 } 10152 if (!allowed && (bp.protectionLevel 10153 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10154 && isSystemApp(pkg)) { 10155 // Any pre-installed system app is allowed to get this permission. 10156 allowed = true; 10157 } 10158 if (!allowed && (bp.protectionLevel 10159 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10160 // For development permissions, a development permission 10161 // is granted only if it was already granted. 10162 allowed = origPermissions.hasInstallPermission(perm); 10163 } 10164 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10165 && pkg.packageName.equals(mSetupWizardPackage)) { 10166 // If this permission is to be granted to the system setup wizard and 10167 // this app is a setup wizard, then it gets the permission. 10168 allowed = true; 10169 } 10170 } 10171 return allowed; 10172 } 10173 10174 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10175 final int permCount = pkg.requestedPermissions.size(); 10176 for (int j = 0; j < permCount; j++) { 10177 String requestedPermission = pkg.requestedPermissions.get(j); 10178 if (permission.equals(requestedPermission)) { 10179 return true; 10180 } 10181 } 10182 return false; 10183 } 10184 10185 final class ActivityIntentResolver 10186 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10187 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10188 boolean defaultOnly, int userId) { 10189 if (!sUserManager.exists(userId)) return null; 10190 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10191 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10192 } 10193 10194 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10195 int userId) { 10196 if (!sUserManager.exists(userId)) return null; 10197 mFlags = flags; 10198 return super.queryIntent(intent, resolvedType, 10199 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10200 } 10201 10202 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10203 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10204 if (!sUserManager.exists(userId)) return null; 10205 if (packageActivities == null) { 10206 return null; 10207 } 10208 mFlags = flags; 10209 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10210 final int N = packageActivities.size(); 10211 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10212 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10213 10214 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10215 for (int i = 0; i < N; ++i) { 10216 intentFilters = packageActivities.get(i).intents; 10217 if (intentFilters != null && intentFilters.size() > 0) { 10218 PackageParser.ActivityIntentInfo[] array = 10219 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10220 intentFilters.toArray(array); 10221 listCut.add(array); 10222 } 10223 } 10224 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10225 } 10226 10227 /** 10228 * Finds a privileged activity that matches the specified activity names. 10229 */ 10230 private PackageParser.Activity findMatchingActivity( 10231 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10232 for (PackageParser.Activity sysActivity : activityList) { 10233 if (sysActivity.info.name.equals(activityInfo.name)) { 10234 return sysActivity; 10235 } 10236 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10237 return sysActivity; 10238 } 10239 if (sysActivity.info.targetActivity != null) { 10240 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10241 return sysActivity; 10242 } 10243 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10244 return sysActivity; 10245 } 10246 } 10247 } 10248 return null; 10249 } 10250 10251 public class IterGenerator<E> { 10252 public Iterator<E> generate(ActivityIntentInfo info) { 10253 return null; 10254 } 10255 } 10256 10257 public class ActionIterGenerator extends IterGenerator<String> { 10258 @Override 10259 public Iterator<String> generate(ActivityIntentInfo info) { 10260 return info.actionsIterator(); 10261 } 10262 } 10263 10264 public class CategoriesIterGenerator extends IterGenerator<String> { 10265 @Override 10266 public Iterator<String> generate(ActivityIntentInfo info) { 10267 return info.categoriesIterator(); 10268 } 10269 } 10270 10271 public class SchemesIterGenerator extends IterGenerator<String> { 10272 @Override 10273 public Iterator<String> generate(ActivityIntentInfo info) { 10274 return info.schemesIterator(); 10275 } 10276 } 10277 10278 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10279 @Override 10280 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10281 return info.authoritiesIterator(); 10282 } 10283 } 10284 10285 /** 10286 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10287 * MODIFIED. Do not pass in a list that should not be changed. 10288 */ 10289 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10290 IterGenerator<T> generator, Iterator<T> searchIterator) { 10291 // loop through the set of actions; every one must be found in the intent filter 10292 while (searchIterator.hasNext()) { 10293 // we must have at least one filter in the list to consider a match 10294 if (intentList.size() == 0) { 10295 break; 10296 } 10297 10298 final T searchAction = searchIterator.next(); 10299 10300 // loop through the set of intent filters 10301 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10302 while (intentIter.hasNext()) { 10303 final ActivityIntentInfo intentInfo = intentIter.next(); 10304 boolean selectionFound = false; 10305 10306 // loop through the intent filter's selection criteria; at least one 10307 // of them must match the searched criteria 10308 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10309 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10310 final T intentSelection = intentSelectionIter.next(); 10311 if (intentSelection != null && intentSelection.equals(searchAction)) { 10312 selectionFound = true; 10313 break; 10314 } 10315 } 10316 10317 // the selection criteria wasn't found in this filter's set; this filter 10318 // is not a potential match 10319 if (!selectionFound) { 10320 intentIter.remove(); 10321 } 10322 } 10323 } 10324 } 10325 10326 private boolean isProtectedAction(ActivityIntentInfo filter) { 10327 final Iterator<String> actionsIter = filter.actionsIterator(); 10328 while (actionsIter != null && actionsIter.hasNext()) { 10329 final String filterAction = actionsIter.next(); 10330 if (PROTECTED_ACTIONS.contains(filterAction)) { 10331 return true; 10332 } 10333 } 10334 return false; 10335 } 10336 10337 /** 10338 * Adjusts the priority of the given intent filter according to policy. 10339 * <p> 10340 * <ul> 10341 * <li>The priority for non privileged applications is capped to '0'</li> 10342 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10343 * <li>The priority for unbundled updates to privileged applications is capped to the 10344 * priority defined on the system partition</li> 10345 * </ul> 10346 * <p> 10347 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10348 * allowed to obtain any priority on any action. 10349 */ 10350 private void adjustPriority( 10351 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10352 // nothing to do; priority is fine as-is 10353 if (intent.getPriority() <= 0) { 10354 return; 10355 } 10356 10357 final ActivityInfo activityInfo = intent.activity.info; 10358 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10359 10360 final boolean privilegedApp = 10361 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10362 if (!privilegedApp) { 10363 // non-privileged applications can never define a priority >0 10364 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10365 + " package: " + applicationInfo.packageName 10366 + " activity: " + intent.activity.className 10367 + " origPrio: " + intent.getPriority()); 10368 intent.setPriority(0); 10369 return; 10370 } 10371 10372 if (systemActivities == null) { 10373 // the system package is not disabled; we're parsing the system partition 10374 if (isProtectedAction(intent)) { 10375 if (mDeferProtectedFilters) { 10376 // We can't deal with these just yet. No component should ever obtain a 10377 // >0 priority for a protected actions, with ONE exception -- the setup 10378 // wizard. The setup wizard, however, cannot be known until we're able to 10379 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10380 // until all intent filters have been processed. Chicken, meet egg. 10381 // Let the filter temporarily have a high priority and rectify the 10382 // priorities after all system packages have been scanned. 10383 mProtectedFilters.add(intent); 10384 if (DEBUG_FILTERS) { 10385 Slog.i(TAG, "Protected action; save for later;" 10386 + " package: " + applicationInfo.packageName 10387 + " activity: " + intent.activity.className 10388 + " origPrio: " + intent.getPriority()); 10389 } 10390 return; 10391 } else { 10392 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10393 Slog.i(TAG, "No setup wizard;" 10394 + " All protected intents capped to priority 0"); 10395 } 10396 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10397 if (DEBUG_FILTERS) { 10398 Slog.i(TAG, "Found setup wizard;" 10399 + " allow priority " + intent.getPriority() + ";" 10400 + " package: " + intent.activity.info.packageName 10401 + " activity: " + intent.activity.className 10402 + " priority: " + intent.getPriority()); 10403 } 10404 // setup wizard gets whatever it wants 10405 return; 10406 } 10407 Slog.w(TAG, "Protected action; cap priority to 0;" 10408 + " package: " + intent.activity.info.packageName 10409 + " activity: " + intent.activity.className 10410 + " origPrio: " + intent.getPriority()); 10411 intent.setPriority(0); 10412 return; 10413 } 10414 } 10415 // privileged apps on the system image get whatever priority they request 10416 return; 10417 } 10418 10419 // privileged app unbundled update ... try to find the same activity 10420 final PackageParser.Activity foundActivity = 10421 findMatchingActivity(systemActivities, activityInfo); 10422 if (foundActivity == null) { 10423 // this is a new activity; it cannot obtain >0 priority 10424 if (DEBUG_FILTERS) { 10425 Slog.i(TAG, "New activity; cap priority to 0;" 10426 + " package: " + applicationInfo.packageName 10427 + " activity: " + intent.activity.className 10428 + " origPrio: " + intent.getPriority()); 10429 } 10430 intent.setPriority(0); 10431 return; 10432 } 10433 10434 // found activity, now check for filter equivalence 10435 10436 // a shallow copy is enough; we modify the list, not its contents 10437 final List<ActivityIntentInfo> intentListCopy = 10438 new ArrayList<>(foundActivity.intents); 10439 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10440 10441 // find matching action subsets 10442 final Iterator<String> actionsIterator = intent.actionsIterator(); 10443 if (actionsIterator != null) { 10444 getIntentListSubset( 10445 intentListCopy, new ActionIterGenerator(), actionsIterator); 10446 if (intentListCopy.size() == 0) { 10447 // no more intents to match; we're not equivalent 10448 if (DEBUG_FILTERS) { 10449 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10450 + " package: " + applicationInfo.packageName 10451 + " activity: " + intent.activity.className 10452 + " origPrio: " + intent.getPriority()); 10453 } 10454 intent.setPriority(0); 10455 return; 10456 } 10457 } 10458 10459 // find matching category subsets 10460 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10461 if (categoriesIterator != null) { 10462 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10463 categoriesIterator); 10464 if (intentListCopy.size() == 0) { 10465 // no more intents to match; we're not equivalent 10466 if (DEBUG_FILTERS) { 10467 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10468 + " package: " + applicationInfo.packageName 10469 + " activity: " + intent.activity.className 10470 + " origPrio: " + intent.getPriority()); 10471 } 10472 intent.setPriority(0); 10473 return; 10474 } 10475 } 10476 10477 // find matching schemes subsets 10478 final Iterator<String> schemesIterator = intent.schemesIterator(); 10479 if (schemesIterator != null) { 10480 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10481 schemesIterator); 10482 if (intentListCopy.size() == 0) { 10483 // no more intents to match; we're not equivalent 10484 if (DEBUG_FILTERS) { 10485 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10486 + " package: " + applicationInfo.packageName 10487 + " activity: " + intent.activity.className 10488 + " origPrio: " + intent.getPriority()); 10489 } 10490 intent.setPriority(0); 10491 return; 10492 } 10493 } 10494 10495 // find matching authorities subsets 10496 final Iterator<IntentFilter.AuthorityEntry> 10497 authoritiesIterator = intent.authoritiesIterator(); 10498 if (authoritiesIterator != null) { 10499 getIntentListSubset(intentListCopy, 10500 new AuthoritiesIterGenerator(), 10501 authoritiesIterator); 10502 if (intentListCopy.size() == 0) { 10503 // no more intents to match; we're not equivalent 10504 if (DEBUG_FILTERS) { 10505 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10506 + " package: " + applicationInfo.packageName 10507 + " activity: " + intent.activity.className 10508 + " origPrio: " + intent.getPriority()); 10509 } 10510 intent.setPriority(0); 10511 return; 10512 } 10513 } 10514 10515 // we found matching filter(s); app gets the max priority of all intents 10516 int cappedPriority = 0; 10517 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10518 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10519 } 10520 if (intent.getPriority() > cappedPriority) { 10521 if (DEBUG_FILTERS) { 10522 Slog.i(TAG, "Found matching filter(s);" 10523 + " cap priority to " + cappedPriority + ";" 10524 + " package: " + applicationInfo.packageName 10525 + " activity: " + intent.activity.className 10526 + " origPrio: " + intent.getPriority()); 10527 } 10528 intent.setPriority(cappedPriority); 10529 return; 10530 } 10531 // all this for nothing; the requested priority was <= what was on the system 10532 } 10533 10534 public final void addActivity(PackageParser.Activity a, String type) { 10535 mActivities.put(a.getComponentName(), a); 10536 if (DEBUG_SHOW_INFO) 10537 Log.v( 10538 TAG, " " + type + " " + 10539 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10540 if (DEBUG_SHOW_INFO) 10541 Log.v(TAG, " Class=" + a.info.name); 10542 final int NI = a.intents.size(); 10543 for (int j=0; j<NI; j++) { 10544 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10545 if ("activity".equals(type)) { 10546 final PackageSetting ps = 10547 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10548 final List<PackageParser.Activity> systemActivities = 10549 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10550 adjustPriority(systemActivities, intent); 10551 } 10552 if (DEBUG_SHOW_INFO) { 10553 Log.v(TAG, " IntentFilter:"); 10554 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10555 } 10556 if (!intent.debugCheck()) { 10557 Log.w(TAG, "==> For Activity " + a.info.name); 10558 } 10559 addFilter(intent); 10560 } 10561 } 10562 10563 public final void removeActivity(PackageParser.Activity a, String type) { 10564 mActivities.remove(a.getComponentName()); 10565 if (DEBUG_SHOW_INFO) { 10566 Log.v(TAG, " " + type + " " 10567 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10568 : a.info.name) + ":"); 10569 Log.v(TAG, " Class=" + a.info.name); 10570 } 10571 final int NI = a.intents.size(); 10572 for (int j=0; j<NI; j++) { 10573 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10574 if (DEBUG_SHOW_INFO) { 10575 Log.v(TAG, " IntentFilter:"); 10576 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10577 } 10578 removeFilter(intent); 10579 } 10580 } 10581 10582 @Override 10583 protected boolean allowFilterResult( 10584 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10585 ActivityInfo filterAi = filter.activity.info; 10586 for (int i=dest.size()-1; i>=0; i--) { 10587 ActivityInfo destAi = dest.get(i).activityInfo; 10588 if (destAi.name == filterAi.name 10589 && destAi.packageName == filterAi.packageName) { 10590 return false; 10591 } 10592 } 10593 return true; 10594 } 10595 10596 @Override 10597 protected ActivityIntentInfo[] newArray(int size) { 10598 return new ActivityIntentInfo[size]; 10599 } 10600 10601 @Override 10602 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10603 if (!sUserManager.exists(userId)) return true; 10604 PackageParser.Package p = filter.activity.owner; 10605 if (p != null) { 10606 PackageSetting ps = (PackageSetting)p.mExtras; 10607 if (ps != null) { 10608 // System apps are never considered stopped for purposes of 10609 // filtering, because there may be no way for the user to 10610 // actually re-launch them. 10611 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10612 && ps.getStopped(userId); 10613 } 10614 } 10615 return false; 10616 } 10617 10618 @Override 10619 protected boolean isPackageForFilter(String packageName, 10620 PackageParser.ActivityIntentInfo info) { 10621 return packageName.equals(info.activity.owner.packageName); 10622 } 10623 10624 @Override 10625 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10626 int match, int userId) { 10627 if (!sUserManager.exists(userId)) return null; 10628 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10629 return null; 10630 } 10631 final PackageParser.Activity activity = info.activity; 10632 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10633 if (ps == null) { 10634 return null; 10635 } 10636 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10637 ps.readUserState(userId), userId); 10638 if (ai == null) { 10639 return null; 10640 } 10641 final ResolveInfo res = new ResolveInfo(); 10642 res.activityInfo = ai; 10643 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10644 res.filter = info; 10645 } 10646 if (info != null) { 10647 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10648 } 10649 res.priority = info.getPriority(); 10650 res.preferredOrder = activity.owner.mPreferredOrder; 10651 //System.out.println("Result: " + res.activityInfo.className + 10652 // " = " + res.priority); 10653 res.match = match; 10654 res.isDefault = info.hasDefault; 10655 res.labelRes = info.labelRes; 10656 res.nonLocalizedLabel = info.nonLocalizedLabel; 10657 if (userNeedsBadging(userId)) { 10658 res.noResourceId = true; 10659 } else { 10660 res.icon = info.icon; 10661 } 10662 res.iconResourceId = info.icon; 10663 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10664 return res; 10665 } 10666 10667 @Override 10668 protected void sortResults(List<ResolveInfo> results) { 10669 Collections.sort(results, mResolvePrioritySorter); 10670 } 10671 10672 @Override 10673 protected void dumpFilter(PrintWriter out, String prefix, 10674 PackageParser.ActivityIntentInfo filter) { 10675 out.print(prefix); out.print( 10676 Integer.toHexString(System.identityHashCode(filter.activity))); 10677 out.print(' '); 10678 filter.activity.printComponentShortName(out); 10679 out.print(" filter "); 10680 out.println(Integer.toHexString(System.identityHashCode(filter))); 10681 } 10682 10683 @Override 10684 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10685 return filter.activity; 10686 } 10687 10688 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10689 PackageParser.Activity activity = (PackageParser.Activity)label; 10690 out.print(prefix); out.print( 10691 Integer.toHexString(System.identityHashCode(activity))); 10692 out.print(' '); 10693 activity.printComponentShortName(out); 10694 if (count > 1) { 10695 out.print(" ("); out.print(count); out.print(" filters)"); 10696 } 10697 out.println(); 10698 } 10699 10700 // Keys are String (activity class name), values are Activity. 10701 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10702 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10703 private int mFlags; 10704 } 10705 10706 private final class ServiceIntentResolver 10707 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10708 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10709 boolean defaultOnly, int userId) { 10710 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10711 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10712 } 10713 10714 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10715 int userId) { 10716 if (!sUserManager.exists(userId)) return null; 10717 mFlags = flags; 10718 return super.queryIntent(intent, resolvedType, 10719 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10720 } 10721 10722 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10723 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10724 if (!sUserManager.exists(userId)) return null; 10725 if (packageServices == null) { 10726 return null; 10727 } 10728 mFlags = flags; 10729 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10730 final int N = packageServices.size(); 10731 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10732 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10733 10734 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10735 for (int i = 0; i < N; ++i) { 10736 intentFilters = packageServices.get(i).intents; 10737 if (intentFilters != null && intentFilters.size() > 0) { 10738 PackageParser.ServiceIntentInfo[] array = 10739 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10740 intentFilters.toArray(array); 10741 listCut.add(array); 10742 } 10743 } 10744 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10745 } 10746 10747 public final void addService(PackageParser.Service s) { 10748 mServices.put(s.getComponentName(), s); 10749 if (DEBUG_SHOW_INFO) { 10750 Log.v(TAG, " " 10751 + (s.info.nonLocalizedLabel != null 10752 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10753 Log.v(TAG, " Class=" + s.info.name); 10754 } 10755 final int NI = s.intents.size(); 10756 int j; 10757 for (j=0; j<NI; j++) { 10758 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10759 if (DEBUG_SHOW_INFO) { 10760 Log.v(TAG, " IntentFilter:"); 10761 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10762 } 10763 if (!intent.debugCheck()) { 10764 Log.w(TAG, "==> For Service " + s.info.name); 10765 } 10766 addFilter(intent); 10767 } 10768 } 10769 10770 public final void removeService(PackageParser.Service s) { 10771 mServices.remove(s.getComponentName()); 10772 if (DEBUG_SHOW_INFO) { 10773 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10774 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10775 Log.v(TAG, " Class=" + s.info.name); 10776 } 10777 final int NI = s.intents.size(); 10778 int j; 10779 for (j=0; j<NI; j++) { 10780 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10781 if (DEBUG_SHOW_INFO) { 10782 Log.v(TAG, " IntentFilter:"); 10783 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10784 } 10785 removeFilter(intent); 10786 } 10787 } 10788 10789 @Override 10790 protected boolean allowFilterResult( 10791 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10792 ServiceInfo filterSi = filter.service.info; 10793 for (int i=dest.size()-1; i>=0; i--) { 10794 ServiceInfo destAi = dest.get(i).serviceInfo; 10795 if (destAi.name == filterSi.name 10796 && destAi.packageName == filterSi.packageName) { 10797 return false; 10798 } 10799 } 10800 return true; 10801 } 10802 10803 @Override 10804 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10805 return new PackageParser.ServiceIntentInfo[size]; 10806 } 10807 10808 @Override 10809 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10810 if (!sUserManager.exists(userId)) return true; 10811 PackageParser.Package p = filter.service.owner; 10812 if (p != null) { 10813 PackageSetting ps = (PackageSetting)p.mExtras; 10814 if (ps != null) { 10815 // System apps are never considered stopped for purposes of 10816 // filtering, because there may be no way for the user to 10817 // actually re-launch them. 10818 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10819 && ps.getStopped(userId); 10820 } 10821 } 10822 return false; 10823 } 10824 10825 @Override 10826 protected boolean isPackageForFilter(String packageName, 10827 PackageParser.ServiceIntentInfo info) { 10828 return packageName.equals(info.service.owner.packageName); 10829 } 10830 10831 @Override 10832 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10833 int match, int userId) { 10834 if (!sUserManager.exists(userId)) return null; 10835 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10836 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10837 return null; 10838 } 10839 final PackageParser.Service service = info.service; 10840 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10841 if (ps == null) { 10842 return null; 10843 } 10844 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10845 ps.readUserState(userId), userId); 10846 if (si == null) { 10847 return null; 10848 } 10849 final ResolveInfo res = new ResolveInfo(); 10850 res.serviceInfo = si; 10851 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10852 res.filter = filter; 10853 } 10854 res.priority = info.getPriority(); 10855 res.preferredOrder = service.owner.mPreferredOrder; 10856 res.match = match; 10857 res.isDefault = info.hasDefault; 10858 res.labelRes = info.labelRes; 10859 res.nonLocalizedLabel = info.nonLocalizedLabel; 10860 res.icon = info.icon; 10861 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10862 return res; 10863 } 10864 10865 @Override 10866 protected void sortResults(List<ResolveInfo> results) { 10867 Collections.sort(results, mResolvePrioritySorter); 10868 } 10869 10870 @Override 10871 protected void dumpFilter(PrintWriter out, String prefix, 10872 PackageParser.ServiceIntentInfo filter) { 10873 out.print(prefix); out.print( 10874 Integer.toHexString(System.identityHashCode(filter.service))); 10875 out.print(' '); 10876 filter.service.printComponentShortName(out); 10877 out.print(" filter "); 10878 out.println(Integer.toHexString(System.identityHashCode(filter))); 10879 } 10880 10881 @Override 10882 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10883 return filter.service; 10884 } 10885 10886 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10887 PackageParser.Service service = (PackageParser.Service)label; 10888 out.print(prefix); out.print( 10889 Integer.toHexString(System.identityHashCode(service))); 10890 out.print(' '); 10891 service.printComponentShortName(out); 10892 if (count > 1) { 10893 out.print(" ("); out.print(count); out.print(" filters)"); 10894 } 10895 out.println(); 10896 } 10897 10898// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10899// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10900// final List<ResolveInfo> retList = Lists.newArrayList(); 10901// while (i.hasNext()) { 10902// final ResolveInfo resolveInfo = (ResolveInfo) i; 10903// if (isEnabledLP(resolveInfo.serviceInfo)) { 10904// retList.add(resolveInfo); 10905// } 10906// } 10907// return retList; 10908// } 10909 10910 // Keys are String (activity class name), values are Activity. 10911 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10912 = new ArrayMap<ComponentName, PackageParser.Service>(); 10913 private int mFlags; 10914 }; 10915 10916 private final class ProviderIntentResolver 10917 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10918 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10919 boolean defaultOnly, int userId) { 10920 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10921 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10922 } 10923 10924 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10925 int userId) { 10926 if (!sUserManager.exists(userId)) 10927 return null; 10928 mFlags = flags; 10929 return super.queryIntent(intent, resolvedType, 10930 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10931 } 10932 10933 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10934 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10935 if (!sUserManager.exists(userId)) 10936 return null; 10937 if (packageProviders == null) { 10938 return null; 10939 } 10940 mFlags = flags; 10941 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10942 final int N = packageProviders.size(); 10943 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10944 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10945 10946 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10947 for (int i = 0; i < N; ++i) { 10948 intentFilters = packageProviders.get(i).intents; 10949 if (intentFilters != null && intentFilters.size() > 0) { 10950 PackageParser.ProviderIntentInfo[] array = 10951 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10952 intentFilters.toArray(array); 10953 listCut.add(array); 10954 } 10955 } 10956 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10957 } 10958 10959 public final void addProvider(PackageParser.Provider p) { 10960 if (mProviders.containsKey(p.getComponentName())) { 10961 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10962 return; 10963 } 10964 10965 mProviders.put(p.getComponentName(), p); 10966 if (DEBUG_SHOW_INFO) { 10967 Log.v(TAG, " " 10968 + (p.info.nonLocalizedLabel != null 10969 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10970 Log.v(TAG, " Class=" + p.info.name); 10971 } 10972 final int NI = p.intents.size(); 10973 int j; 10974 for (j = 0; j < NI; j++) { 10975 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10976 if (DEBUG_SHOW_INFO) { 10977 Log.v(TAG, " IntentFilter:"); 10978 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10979 } 10980 if (!intent.debugCheck()) { 10981 Log.w(TAG, "==> For Provider " + p.info.name); 10982 } 10983 addFilter(intent); 10984 } 10985 } 10986 10987 public final void removeProvider(PackageParser.Provider p) { 10988 mProviders.remove(p.getComponentName()); 10989 if (DEBUG_SHOW_INFO) { 10990 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10991 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10992 Log.v(TAG, " Class=" + p.info.name); 10993 } 10994 final int NI = p.intents.size(); 10995 int j; 10996 for (j = 0; j < NI; j++) { 10997 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10998 if (DEBUG_SHOW_INFO) { 10999 Log.v(TAG, " IntentFilter:"); 11000 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11001 } 11002 removeFilter(intent); 11003 } 11004 } 11005 11006 @Override 11007 protected boolean allowFilterResult( 11008 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11009 ProviderInfo filterPi = filter.provider.info; 11010 for (int i = dest.size() - 1; i >= 0; i--) { 11011 ProviderInfo destPi = dest.get(i).providerInfo; 11012 if (destPi.name == filterPi.name 11013 && destPi.packageName == filterPi.packageName) { 11014 return false; 11015 } 11016 } 11017 return true; 11018 } 11019 11020 @Override 11021 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11022 return new PackageParser.ProviderIntentInfo[size]; 11023 } 11024 11025 @Override 11026 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11027 if (!sUserManager.exists(userId)) 11028 return true; 11029 PackageParser.Package p = filter.provider.owner; 11030 if (p != null) { 11031 PackageSetting ps = (PackageSetting) p.mExtras; 11032 if (ps != null) { 11033 // System apps are never considered stopped for purposes of 11034 // filtering, because there may be no way for the user to 11035 // actually re-launch them. 11036 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11037 && ps.getStopped(userId); 11038 } 11039 } 11040 return false; 11041 } 11042 11043 @Override 11044 protected boolean isPackageForFilter(String packageName, 11045 PackageParser.ProviderIntentInfo info) { 11046 return packageName.equals(info.provider.owner.packageName); 11047 } 11048 11049 @Override 11050 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11051 int match, int userId) { 11052 if (!sUserManager.exists(userId)) 11053 return null; 11054 final PackageParser.ProviderIntentInfo info = filter; 11055 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11056 return null; 11057 } 11058 final PackageParser.Provider provider = info.provider; 11059 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11060 if (ps == null) { 11061 return null; 11062 } 11063 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11064 ps.readUserState(userId), userId); 11065 if (pi == null) { 11066 return null; 11067 } 11068 final ResolveInfo res = new ResolveInfo(); 11069 res.providerInfo = pi; 11070 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11071 res.filter = filter; 11072 } 11073 res.priority = info.getPriority(); 11074 res.preferredOrder = provider.owner.mPreferredOrder; 11075 res.match = match; 11076 res.isDefault = info.hasDefault; 11077 res.labelRes = info.labelRes; 11078 res.nonLocalizedLabel = info.nonLocalizedLabel; 11079 res.icon = info.icon; 11080 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11081 return res; 11082 } 11083 11084 @Override 11085 protected void sortResults(List<ResolveInfo> results) { 11086 Collections.sort(results, mResolvePrioritySorter); 11087 } 11088 11089 @Override 11090 protected void dumpFilter(PrintWriter out, String prefix, 11091 PackageParser.ProviderIntentInfo filter) { 11092 out.print(prefix); 11093 out.print( 11094 Integer.toHexString(System.identityHashCode(filter.provider))); 11095 out.print(' '); 11096 filter.provider.printComponentShortName(out); 11097 out.print(" filter "); 11098 out.println(Integer.toHexString(System.identityHashCode(filter))); 11099 } 11100 11101 @Override 11102 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11103 return filter.provider; 11104 } 11105 11106 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11107 PackageParser.Provider provider = (PackageParser.Provider)label; 11108 out.print(prefix); out.print( 11109 Integer.toHexString(System.identityHashCode(provider))); 11110 out.print(' '); 11111 provider.printComponentShortName(out); 11112 if (count > 1) { 11113 out.print(" ("); out.print(count); out.print(" filters)"); 11114 } 11115 out.println(); 11116 } 11117 11118 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11119 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11120 private int mFlags; 11121 } 11122 11123 private static final class EphemeralIntentResolver 11124 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11125 @Override 11126 protected EphemeralResolveIntentInfo[] newArray(int size) { 11127 return new EphemeralResolveIntentInfo[size]; 11128 } 11129 11130 @Override 11131 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11132 return true; 11133 } 11134 11135 @Override 11136 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11137 int userId) { 11138 if (!sUserManager.exists(userId)) { 11139 return null; 11140 } 11141 return info.getEphemeralResolveInfo(); 11142 } 11143 } 11144 11145 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11146 new Comparator<ResolveInfo>() { 11147 public int compare(ResolveInfo r1, ResolveInfo r2) { 11148 int v1 = r1.priority; 11149 int v2 = r2.priority; 11150 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11151 if (v1 != v2) { 11152 return (v1 > v2) ? -1 : 1; 11153 } 11154 v1 = r1.preferredOrder; 11155 v2 = r2.preferredOrder; 11156 if (v1 != v2) { 11157 return (v1 > v2) ? -1 : 1; 11158 } 11159 if (r1.isDefault != r2.isDefault) { 11160 return r1.isDefault ? -1 : 1; 11161 } 11162 v1 = r1.match; 11163 v2 = r2.match; 11164 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11165 if (v1 != v2) { 11166 return (v1 > v2) ? -1 : 1; 11167 } 11168 if (r1.system != r2.system) { 11169 return r1.system ? -1 : 1; 11170 } 11171 if (r1.activityInfo != null) { 11172 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11173 } 11174 if (r1.serviceInfo != null) { 11175 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11176 } 11177 if (r1.providerInfo != null) { 11178 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11179 } 11180 return 0; 11181 } 11182 }; 11183 11184 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11185 new Comparator<ProviderInfo>() { 11186 public int compare(ProviderInfo p1, ProviderInfo p2) { 11187 final int v1 = p1.initOrder; 11188 final int v2 = p2.initOrder; 11189 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11190 } 11191 }; 11192 11193 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11194 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11195 final int[] userIds) { 11196 mHandler.post(new Runnable() { 11197 @Override 11198 public void run() { 11199 try { 11200 final IActivityManager am = ActivityManagerNative.getDefault(); 11201 if (am == null) return; 11202 final int[] resolvedUserIds; 11203 if (userIds == null) { 11204 resolvedUserIds = am.getRunningUserIds(); 11205 } else { 11206 resolvedUserIds = userIds; 11207 } 11208 for (int id : resolvedUserIds) { 11209 final Intent intent = new Intent(action, 11210 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11211 if (extras != null) { 11212 intent.putExtras(extras); 11213 } 11214 if (targetPkg != null) { 11215 intent.setPackage(targetPkg); 11216 } 11217 // Modify the UID when posting to other users 11218 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11219 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11220 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11221 intent.putExtra(Intent.EXTRA_UID, uid); 11222 } 11223 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11224 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11225 if (DEBUG_BROADCASTS) { 11226 RuntimeException here = new RuntimeException("here"); 11227 here.fillInStackTrace(); 11228 Slog.d(TAG, "Sending to user " + id + ": " 11229 + intent.toShortString(false, true, false, false) 11230 + " " + intent.getExtras(), here); 11231 } 11232 am.broadcastIntent(null, intent, null, finishedReceiver, 11233 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11234 null, finishedReceiver != null, false, id); 11235 } 11236 } catch (RemoteException ex) { 11237 } 11238 } 11239 }); 11240 } 11241 11242 /** 11243 * Check if the external storage media is available. This is true if there 11244 * is a mounted external storage medium or if the external storage is 11245 * emulated. 11246 */ 11247 private boolean isExternalMediaAvailable() { 11248 return mMediaMounted || Environment.isExternalStorageEmulated(); 11249 } 11250 11251 @Override 11252 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11253 // writer 11254 synchronized (mPackages) { 11255 if (!isExternalMediaAvailable()) { 11256 // If the external storage is no longer mounted at this point, 11257 // the caller may not have been able to delete all of this 11258 // packages files and can not delete any more. Bail. 11259 return null; 11260 } 11261 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11262 if (lastPackage != null) { 11263 pkgs.remove(lastPackage); 11264 } 11265 if (pkgs.size() > 0) { 11266 return pkgs.get(0); 11267 } 11268 } 11269 return null; 11270 } 11271 11272 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11273 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11274 userId, andCode ? 1 : 0, packageName); 11275 if (mSystemReady) { 11276 msg.sendToTarget(); 11277 } else { 11278 if (mPostSystemReadyMessages == null) { 11279 mPostSystemReadyMessages = new ArrayList<>(); 11280 } 11281 mPostSystemReadyMessages.add(msg); 11282 } 11283 } 11284 11285 void startCleaningPackages() { 11286 // reader 11287 if (!isExternalMediaAvailable()) { 11288 return; 11289 } 11290 synchronized (mPackages) { 11291 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11292 return; 11293 } 11294 } 11295 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11296 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11297 IActivityManager am = ActivityManagerNative.getDefault(); 11298 if (am != null) { 11299 try { 11300 am.startService(null, intent, null, mContext.getOpPackageName(), 11301 UserHandle.USER_SYSTEM); 11302 } catch (RemoteException e) { 11303 } 11304 } 11305 } 11306 11307 @Override 11308 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11309 int installFlags, String installerPackageName, int userId) { 11310 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11311 11312 final int callingUid = Binder.getCallingUid(); 11313 enforceCrossUserPermission(callingUid, userId, 11314 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11315 11316 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11317 try { 11318 if (observer != null) { 11319 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11320 } 11321 } catch (RemoteException re) { 11322 } 11323 return; 11324 } 11325 11326 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11327 installFlags |= PackageManager.INSTALL_FROM_ADB; 11328 11329 } else { 11330 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11331 // about installerPackageName. 11332 11333 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11334 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11335 } 11336 11337 UserHandle user; 11338 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11339 user = UserHandle.ALL; 11340 } else { 11341 user = new UserHandle(userId); 11342 } 11343 11344 // Only system components can circumvent runtime permissions when installing. 11345 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11346 && mContext.checkCallingOrSelfPermission(Manifest.permission 11347 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11348 throw new SecurityException("You need the " 11349 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11350 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11351 } 11352 11353 final File originFile = new File(originPath); 11354 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11355 11356 final Message msg = mHandler.obtainMessage(INIT_COPY); 11357 final VerificationInfo verificationInfo = new VerificationInfo( 11358 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11359 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11360 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11361 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11362 null /*certificates*/); 11363 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11364 msg.obj = params; 11365 11366 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11367 System.identityHashCode(msg.obj)); 11368 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11369 System.identityHashCode(msg.obj)); 11370 11371 mHandler.sendMessage(msg); 11372 } 11373 11374 void installStage(String packageName, File stagedDir, String stagedCid, 11375 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11376 String installerPackageName, int installerUid, UserHandle user, 11377 Certificate[][] certificates) { 11378 if (DEBUG_EPHEMERAL) { 11379 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11380 Slog.d(TAG, "Ephemeral install of " + packageName); 11381 } 11382 } 11383 final VerificationInfo verificationInfo = new VerificationInfo( 11384 sessionParams.originatingUri, sessionParams.referrerUri, 11385 sessionParams.originatingUid, installerUid); 11386 11387 final OriginInfo origin; 11388 if (stagedDir != null) { 11389 origin = OriginInfo.fromStagedFile(stagedDir); 11390 } else { 11391 origin = OriginInfo.fromStagedContainer(stagedCid); 11392 } 11393 11394 final Message msg = mHandler.obtainMessage(INIT_COPY); 11395 final InstallParams params = new InstallParams(origin, null, observer, 11396 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11397 verificationInfo, user, sessionParams.abiOverride, 11398 sessionParams.grantedRuntimePermissions, certificates); 11399 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11400 msg.obj = params; 11401 11402 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11403 System.identityHashCode(msg.obj)); 11404 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11405 System.identityHashCode(msg.obj)); 11406 11407 mHandler.sendMessage(msg); 11408 } 11409 11410 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11411 int userId) { 11412 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11413 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11414 } 11415 11416 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11417 int appId, int userId) { 11418 Bundle extras = new Bundle(1); 11419 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11420 11421 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11422 packageName, extras, 0, null, null, new int[] {userId}); 11423 try { 11424 IActivityManager am = ActivityManagerNative.getDefault(); 11425 if (isSystem && am.isUserRunning(userId, 0)) { 11426 // The just-installed/enabled app is bundled on the system, so presumed 11427 // to be able to run automatically without needing an explicit launch. 11428 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11429 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11430 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11431 .setPackage(packageName); 11432 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11433 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11434 } 11435 } catch (RemoteException e) { 11436 // shouldn't happen 11437 Slog.w(TAG, "Unable to bootstrap installed package", e); 11438 } 11439 } 11440 11441 @Override 11442 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11443 int userId) { 11444 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11445 PackageSetting pkgSetting; 11446 final int uid = Binder.getCallingUid(); 11447 enforceCrossUserPermission(uid, userId, 11448 true /* requireFullPermission */, true /* checkShell */, 11449 "setApplicationHiddenSetting for user " + userId); 11450 11451 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11452 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11453 return false; 11454 } 11455 11456 long callingId = Binder.clearCallingIdentity(); 11457 try { 11458 boolean sendAdded = false; 11459 boolean sendRemoved = false; 11460 // writer 11461 synchronized (mPackages) { 11462 pkgSetting = mSettings.mPackages.get(packageName); 11463 if (pkgSetting == null) { 11464 return false; 11465 } 11466 if (pkgSetting.getHidden(userId) != hidden) { 11467 pkgSetting.setHidden(hidden, userId); 11468 mSettings.writePackageRestrictionsLPr(userId); 11469 if (hidden) { 11470 sendRemoved = true; 11471 } else { 11472 sendAdded = true; 11473 } 11474 } 11475 } 11476 if (sendAdded) { 11477 sendPackageAddedForUser(packageName, pkgSetting, userId); 11478 return true; 11479 } 11480 if (sendRemoved) { 11481 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11482 "hiding pkg"); 11483 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11484 return true; 11485 } 11486 } finally { 11487 Binder.restoreCallingIdentity(callingId); 11488 } 11489 return false; 11490 } 11491 11492 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11493 int userId) { 11494 final PackageRemovedInfo info = new PackageRemovedInfo(); 11495 info.removedPackage = packageName; 11496 info.removedUsers = new int[] {userId}; 11497 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11498 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11499 } 11500 11501 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11502 if (pkgList.length > 0) { 11503 Bundle extras = new Bundle(1); 11504 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11505 11506 sendPackageBroadcast( 11507 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11508 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11509 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11510 new int[] {userId}); 11511 } 11512 } 11513 11514 /** 11515 * Returns true if application is not found or there was an error. Otherwise it returns 11516 * the hidden state of the package for the given user. 11517 */ 11518 @Override 11519 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11520 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11521 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11522 true /* requireFullPermission */, false /* checkShell */, 11523 "getApplicationHidden for user " + userId); 11524 PackageSetting pkgSetting; 11525 long callingId = Binder.clearCallingIdentity(); 11526 try { 11527 // writer 11528 synchronized (mPackages) { 11529 pkgSetting = mSettings.mPackages.get(packageName); 11530 if (pkgSetting == null) { 11531 return true; 11532 } 11533 return pkgSetting.getHidden(userId); 11534 } 11535 } finally { 11536 Binder.restoreCallingIdentity(callingId); 11537 } 11538 } 11539 11540 /** 11541 * @hide 11542 */ 11543 @Override 11544 public int installExistingPackageAsUser(String packageName, int userId) { 11545 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11546 null); 11547 PackageSetting pkgSetting; 11548 final int uid = Binder.getCallingUid(); 11549 enforceCrossUserPermission(uid, userId, 11550 true /* requireFullPermission */, true /* checkShell */, 11551 "installExistingPackage for user " + userId); 11552 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11553 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11554 } 11555 11556 long callingId = Binder.clearCallingIdentity(); 11557 try { 11558 boolean installed = false; 11559 11560 // writer 11561 synchronized (mPackages) { 11562 pkgSetting = mSettings.mPackages.get(packageName); 11563 if (pkgSetting == null) { 11564 return PackageManager.INSTALL_FAILED_INVALID_URI; 11565 } 11566 if (!pkgSetting.getInstalled(userId)) { 11567 pkgSetting.setInstalled(true, userId); 11568 pkgSetting.setHidden(false, userId); 11569 mSettings.writePackageRestrictionsLPr(userId); 11570 installed = true; 11571 } 11572 } 11573 11574 if (installed) { 11575 if (pkgSetting.pkg != null) { 11576 synchronized (mInstallLock) { 11577 // We don't need to freeze for a brand new install 11578 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11579 } 11580 } 11581 sendPackageAddedForUser(packageName, pkgSetting, userId); 11582 } 11583 } finally { 11584 Binder.restoreCallingIdentity(callingId); 11585 } 11586 11587 return PackageManager.INSTALL_SUCCEEDED; 11588 } 11589 11590 boolean isUserRestricted(int userId, String restrictionKey) { 11591 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11592 if (restrictions.getBoolean(restrictionKey, false)) { 11593 Log.w(TAG, "User is restricted: " + restrictionKey); 11594 return true; 11595 } 11596 return false; 11597 } 11598 11599 @Override 11600 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11601 int userId) { 11602 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11603 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11604 true /* requireFullPermission */, true /* checkShell */, 11605 "setPackagesSuspended for user " + userId); 11606 11607 if (ArrayUtils.isEmpty(packageNames)) { 11608 return packageNames; 11609 } 11610 11611 // List of package names for whom the suspended state has changed. 11612 List<String> changedPackages = new ArrayList<>(packageNames.length); 11613 // List of package names for whom the suspended state is not set as requested in this 11614 // method. 11615 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11616 long callingId = Binder.clearCallingIdentity(); 11617 try { 11618 for (int i = 0; i < packageNames.length; i++) { 11619 String packageName = packageNames[i]; 11620 boolean changed = false; 11621 final int appId; 11622 synchronized (mPackages) { 11623 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11624 if (pkgSetting == null) { 11625 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11626 + "\". Skipping suspending/un-suspending."); 11627 unactionedPackages.add(packageName); 11628 continue; 11629 } 11630 appId = pkgSetting.appId; 11631 if (pkgSetting.getSuspended(userId) != suspended) { 11632 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11633 unactionedPackages.add(packageName); 11634 continue; 11635 } 11636 pkgSetting.setSuspended(suspended, userId); 11637 mSettings.writePackageRestrictionsLPr(userId); 11638 changed = true; 11639 changedPackages.add(packageName); 11640 } 11641 } 11642 11643 if (changed && suspended) { 11644 killApplication(packageName, UserHandle.getUid(userId, appId), 11645 "suspending package"); 11646 } 11647 } 11648 } finally { 11649 Binder.restoreCallingIdentity(callingId); 11650 } 11651 11652 if (!changedPackages.isEmpty()) { 11653 sendPackagesSuspendedForUser(changedPackages.toArray( 11654 new String[changedPackages.size()]), userId, suspended); 11655 } 11656 11657 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11658 } 11659 11660 @Override 11661 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11662 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11663 true /* requireFullPermission */, false /* checkShell */, 11664 "isPackageSuspendedForUser for user " + userId); 11665 synchronized (mPackages) { 11666 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11667 if (pkgSetting == null) { 11668 throw new IllegalArgumentException("Unknown target package: " + packageName); 11669 } 11670 return pkgSetting.getSuspended(userId); 11671 } 11672 } 11673 11674 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11675 if (isPackageDeviceAdmin(packageName, userId)) { 11676 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11677 + "\": has an active device admin"); 11678 return false; 11679 } 11680 11681 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11682 if (packageName.equals(activeLauncherPackageName)) { 11683 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11684 + "\": contains the active launcher"); 11685 return false; 11686 } 11687 11688 if (packageName.equals(mRequiredInstallerPackage)) { 11689 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11690 + "\": required for package installation"); 11691 return false; 11692 } 11693 11694 if (packageName.equals(mRequiredVerifierPackage)) { 11695 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11696 + "\": required for package verification"); 11697 return false; 11698 } 11699 11700 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11701 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11702 + "\": is the default dialer"); 11703 return false; 11704 } 11705 11706 return true; 11707 } 11708 11709 private String getActiveLauncherPackageName(int userId) { 11710 Intent intent = new Intent(Intent.ACTION_MAIN); 11711 intent.addCategory(Intent.CATEGORY_HOME); 11712 ResolveInfo resolveInfo = resolveIntent( 11713 intent, 11714 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11715 PackageManager.MATCH_DEFAULT_ONLY, 11716 userId); 11717 11718 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11719 } 11720 11721 private String getDefaultDialerPackageName(int userId) { 11722 synchronized (mPackages) { 11723 return mSettings.getDefaultDialerPackageNameLPw(userId); 11724 } 11725 } 11726 11727 @Override 11728 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11729 mContext.enforceCallingOrSelfPermission( 11730 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11731 "Only package verification agents can verify applications"); 11732 11733 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11734 final PackageVerificationResponse response = new PackageVerificationResponse( 11735 verificationCode, Binder.getCallingUid()); 11736 msg.arg1 = id; 11737 msg.obj = response; 11738 mHandler.sendMessage(msg); 11739 } 11740 11741 @Override 11742 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11743 long millisecondsToDelay) { 11744 mContext.enforceCallingOrSelfPermission( 11745 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11746 "Only package verification agents can extend verification timeouts"); 11747 11748 final PackageVerificationState state = mPendingVerification.get(id); 11749 final PackageVerificationResponse response = new PackageVerificationResponse( 11750 verificationCodeAtTimeout, Binder.getCallingUid()); 11751 11752 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11753 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11754 } 11755 if (millisecondsToDelay < 0) { 11756 millisecondsToDelay = 0; 11757 } 11758 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11759 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11760 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11761 } 11762 11763 if ((state != null) && !state.timeoutExtended()) { 11764 state.extendTimeout(); 11765 11766 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11767 msg.arg1 = id; 11768 msg.obj = response; 11769 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11770 } 11771 } 11772 11773 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11774 int verificationCode, UserHandle user) { 11775 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11776 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11777 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11778 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11779 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11780 11781 mContext.sendBroadcastAsUser(intent, user, 11782 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11783 } 11784 11785 private ComponentName matchComponentForVerifier(String packageName, 11786 List<ResolveInfo> receivers) { 11787 ActivityInfo targetReceiver = null; 11788 11789 final int NR = receivers.size(); 11790 for (int i = 0; i < NR; i++) { 11791 final ResolveInfo info = receivers.get(i); 11792 if (info.activityInfo == null) { 11793 continue; 11794 } 11795 11796 if (packageName.equals(info.activityInfo.packageName)) { 11797 targetReceiver = info.activityInfo; 11798 break; 11799 } 11800 } 11801 11802 if (targetReceiver == null) { 11803 return null; 11804 } 11805 11806 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11807 } 11808 11809 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11810 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11811 if (pkgInfo.verifiers.length == 0) { 11812 return null; 11813 } 11814 11815 final int N = pkgInfo.verifiers.length; 11816 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11817 for (int i = 0; i < N; i++) { 11818 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11819 11820 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11821 receivers); 11822 if (comp == null) { 11823 continue; 11824 } 11825 11826 final int verifierUid = getUidForVerifier(verifierInfo); 11827 if (verifierUid == -1) { 11828 continue; 11829 } 11830 11831 if (DEBUG_VERIFY) { 11832 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11833 + " with the correct signature"); 11834 } 11835 sufficientVerifiers.add(comp); 11836 verificationState.addSufficientVerifier(verifierUid); 11837 } 11838 11839 return sufficientVerifiers; 11840 } 11841 11842 private int getUidForVerifier(VerifierInfo verifierInfo) { 11843 synchronized (mPackages) { 11844 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11845 if (pkg == null) { 11846 return -1; 11847 } else if (pkg.mSignatures.length != 1) { 11848 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11849 + " has more than one signature; ignoring"); 11850 return -1; 11851 } 11852 11853 /* 11854 * If the public key of the package's signature does not match 11855 * our expected public key, then this is a different package and 11856 * we should skip. 11857 */ 11858 11859 final byte[] expectedPublicKey; 11860 try { 11861 final Signature verifierSig = pkg.mSignatures[0]; 11862 final PublicKey publicKey = verifierSig.getPublicKey(); 11863 expectedPublicKey = publicKey.getEncoded(); 11864 } catch (CertificateException e) { 11865 return -1; 11866 } 11867 11868 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11869 11870 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11871 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11872 + " does not have the expected public key; ignoring"); 11873 return -1; 11874 } 11875 11876 return pkg.applicationInfo.uid; 11877 } 11878 } 11879 11880 @Override 11881 public void finishPackageInstall(int token, boolean didLaunch) { 11882 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11883 11884 if (DEBUG_INSTALL) { 11885 Slog.v(TAG, "BM finishing package install for " + token); 11886 } 11887 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11888 11889 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11890 mHandler.sendMessage(msg); 11891 } 11892 11893 /** 11894 * Get the verification agent timeout. 11895 * 11896 * @return verification timeout in milliseconds 11897 */ 11898 private long getVerificationTimeout() { 11899 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11900 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11901 DEFAULT_VERIFICATION_TIMEOUT); 11902 } 11903 11904 /** 11905 * Get the default verification agent response code. 11906 * 11907 * @return default verification response code 11908 */ 11909 private int getDefaultVerificationResponse() { 11910 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11911 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11912 DEFAULT_VERIFICATION_RESPONSE); 11913 } 11914 11915 /** 11916 * Check whether or not package verification has been enabled. 11917 * 11918 * @return true if verification should be performed 11919 */ 11920 private boolean isVerificationEnabled(int userId, int installFlags) { 11921 if (!DEFAULT_VERIFY_ENABLE) { 11922 return false; 11923 } 11924 // Ephemeral apps don't get the full verification treatment 11925 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11926 if (DEBUG_EPHEMERAL) { 11927 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11928 } 11929 return false; 11930 } 11931 11932 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11933 11934 // Check if installing from ADB 11935 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11936 // Do not run verification in a test harness environment 11937 if (ActivityManager.isRunningInTestHarness()) { 11938 return false; 11939 } 11940 if (ensureVerifyAppsEnabled) { 11941 return true; 11942 } 11943 // Check if the developer does not want package verification for ADB installs 11944 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11945 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11946 return false; 11947 } 11948 } 11949 11950 if (ensureVerifyAppsEnabled) { 11951 return true; 11952 } 11953 11954 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11955 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11956 } 11957 11958 @Override 11959 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11960 throws RemoteException { 11961 mContext.enforceCallingOrSelfPermission( 11962 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11963 "Only intentfilter verification agents can verify applications"); 11964 11965 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11966 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11967 Binder.getCallingUid(), verificationCode, failedDomains); 11968 msg.arg1 = id; 11969 msg.obj = response; 11970 mHandler.sendMessage(msg); 11971 } 11972 11973 @Override 11974 public int getIntentVerificationStatus(String packageName, int userId) { 11975 synchronized (mPackages) { 11976 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11977 } 11978 } 11979 11980 @Override 11981 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11982 mContext.enforceCallingOrSelfPermission( 11983 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11984 11985 boolean result = false; 11986 synchronized (mPackages) { 11987 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11988 } 11989 if (result) { 11990 scheduleWritePackageRestrictionsLocked(userId); 11991 } 11992 return result; 11993 } 11994 11995 @Override 11996 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11997 String packageName) { 11998 synchronized (mPackages) { 11999 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12000 } 12001 } 12002 12003 @Override 12004 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12005 if (TextUtils.isEmpty(packageName)) { 12006 return ParceledListSlice.emptyList(); 12007 } 12008 synchronized (mPackages) { 12009 PackageParser.Package pkg = mPackages.get(packageName); 12010 if (pkg == null || pkg.activities == null) { 12011 return ParceledListSlice.emptyList(); 12012 } 12013 final int count = pkg.activities.size(); 12014 ArrayList<IntentFilter> result = new ArrayList<>(); 12015 for (int n=0; n<count; n++) { 12016 PackageParser.Activity activity = pkg.activities.get(n); 12017 if (activity.intents != null && activity.intents.size() > 0) { 12018 result.addAll(activity.intents); 12019 } 12020 } 12021 return new ParceledListSlice<>(result); 12022 } 12023 } 12024 12025 @Override 12026 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12027 mContext.enforceCallingOrSelfPermission( 12028 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12029 12030 synchronized (mPackages) { 12031 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12032 if (packageName != null) { 12033 result |= updateIntentVerificationStatus(packageName, 12034 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12035 userId); 12036 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12037 packageName, userId); 12038 } 12039 return result; 12040 } 12041 } 12042 12043 @Override 12044 public String getDefaultBrowserPackageName(int userId) { 12045 synchronized (mPackages) { 12046 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12047 } 12048 } 12049 12050 /** 12051 * Get the "allow unknown sources" setting. 12052 * 12053 * @return the current "allow unknown sources" setting 12054 */ 12055 private int getUnknownSourcesSettings() { 12056 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12057 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12058 -1); 12059 } 12060 12061 @Override 12062 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12063 final int uid = Binder.getCallingUid(); 12064 // writer 12065 synchronized (mPackages) { 12066 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12067 if (targetPackageSetting == null) { 12068 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12069 } 12070 12071 PackageSetting installerPackageSetting; 12072 if (installerPackageName != null) { 12073 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12074 if (installerPackageSetting == null) { 12075 throw new IllegalArgumentException("Unknown installer package: " 12076 + installerPackageName); 12077 } 12078 } else { 12079 installerPackageSetting = null; 12080 } 12081 12082 Signature[] callerSignature; 12083 Object obj = mSettings.getUserIdLPr(uid); 12084 if (obj != null) { 12085 if (obj instanceof SharedUserSetting) { 12086 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12087 } else if (obj instanceof PackageSetting) { 12088 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12089 } else { 12090 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12091 } 12092 } else { 12093 throw new SecurityException("Unknown calling UID: " + uid); 12094 } 12095 12096 // Verify: can't set installerPackageName to a package that is 12097 // not signed with the same cert as the caller. 12098 if (installerPackageSetting != null) { 12099 if (compareSignatures(callerSignature, 12100 installerPackageSetting.signatures.mSignatures) 12101 != PackageManager.SIGNATURE_MATCH) { 12102 throw new SecurityException( 12103 "Caller does not have same cert as new installer package " 12104 + installerPackageName); 12105 } 12106 } 12107 12108 // Verify: if target already has an installer package, it must 12109 // be signed with the same cert as the caller. 12110 if (targetPackageSetting.installerPackageName != null) { 12111 PackageSetting setting = mSettings.mPackages.get( 12112 targetPackageSetting.installerPackageName); 12113 // If the currently set package isn't valid, then it's always 12114 // okay to change it. 12115 if (setting != null) { 12116 if (compareSignatures(callerSignature, 12117 setting.signatures.mSignatures) 12118 != PackageManager.SIGNATURE_MATCH) { 12119 throw new SecurityException( 12120 "Caller does not have same cert as old installer package " 12121 + targetPackageSetting.installerPackageName); 12122 } 12123 } 12124 } 12125 12126 // Okay! 12127 targetPackageSetting.installerPackageName = installerPackageName; 12128 if (installerPackageName != null) { 12129 mSettings.mInstallerPackages.add(installerPackageName); 12130 } 12131 scheduleWriteSettingsLocked(); 12132 } 12133 } 12134 12135 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12136 // Queue up an async operation since the package installation may take a little while. 12137 mHandler.post(new Runnable() { 12138 public void run() { 12139 mHandler.removeCallbacks(this); 12140 // Result object to be returned 12141 PackageInstalledInfo res = new PackageInstalledInfo(); 12142 res.setReturnCode(currentStatus); 12143 res.uid = -1; 12144 res.pkg = null; 12145 res.removedInfo = null; 12146 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12147 args.doPreInstall(res.returnCode); 12148 synchronized (mInstallLock) { 12149 installPackageTracedLI(args, res); 12150 } 12151 args.doPostInstall(res.returnCode, res.uid); 12152 } 12153 12154 // A restore should be performed at this point if (a) the install 12155 // succeeded, (b) the operation is not an update, and (c) the new 12156 // package has not opted out of backup participation. 12157 final boolean update = res.removedInfo != null 12158 && res.removedInfo.removedPackage != null; 12159 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12160 boolean doRestore = !update 12161 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12162 12163 // Set up the post-install work request bookkeeping. This will be used 12164 // and cleaned up by the post-install event handling regardless of whether 12165 // there's a restore pass performed. Token values are >= 1. 12166 int token; 12167 if (mNextInstallToken < 0) mNextInstallToken = 1; 12168 token = mNextInstallToken++; 12169 12170 PostInstallData data = new PostInstallData(args, res); 12171 mRunningInstalls.put(token, data); 12172 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12173 12174 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12175 // Pass responsibility to the Backup Manager. It will perform a 12176 // restore if appropriate, then pass responsibility back to the 12177 // Package Manager to run the post-install observer callbacks 12178 // and broadcasts. 12179 IBackupManager bm = IBackupManager.Stub.asInterface( 12180 ServiceManager.getService(Context.BACKUP_SERVICE)); 12181 if (bm != null) { 12182 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12183 + " to BM for possible restore"); 12184 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12185 try { 12186 // TODO: http://b/22388012 12187 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12188 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12189 } else { 12190 doRestore = false; 12191 } 12192 } catch (RemoteException e) { 12193 // can't happen; the backup manager is local 12194 } catch (Exception e) { 12195 Slog.e(TAG, "Exception trying to enqueue restore", e); 12196 doRestore = false; 12197 } 12198 } else { 12199 Slog.e(TAG, "Backup Manager not found!"); 12200 doRestore = false; 12201 } 12202 } 12203 12204 if (!doRestore) { 12205 // No restore possible, or the Backup Manager was mysteriously not 12206 // available -- just fire the post-install work request directly. 12207 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12208 12209 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12210 12211 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12212 mHandler.sendMessage(msg); 12213 } 12214 } 12215 }); 12216 } 12217 12218 /** 12219 * Callback from PackageSettings whenever an app is first transitioned out of the 12220 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12221 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12222 * here whether the app is the target of an ongoing install, and only send the 12223 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12224 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12225 * handling. 12226 */ 12227 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12228 // Serialize this with the rest of the install-process message chain. In the 12229 // restore-at-install case, this Runnable will necessarily run before the 12230 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12231 // are coherent. In the non-restore case, the app has already completed install 12232 // and been launched through some other means, so it is not in a problematic 12233 // state for observers to see the FIRST_LAUNCH signal. 12234 mHandler.post(new Runnable() { 12235 @Override 12236 public void run() { 12237 for (int i = 0; i < mRunningInstalls.size(); i++) { 12238 final PostInstallData data = mRunningInstalls.valueAt(i); 12239 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12240 // right package; but is it for the right user? 12241 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12242 if (userId == data.res.newUsers[uIndex]) { 12243 if (DEBUG_BACKUP) { 12244 Slog.i(TAG, "Package " + pkgName 12245 + " being restored so deferring FIRST_LAUNCH"); 12246 } 12247 return; 12248 } 12249 } 12250 } 12251 } 12252 // didn't find it, so not being restored 12253 if (DEBUG_BACKUP) { 12254 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12255 } 12256 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12257 } 12258 }); 12259 } 12260 12261 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12262 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12263 installerPkg, null, userIds); 12264 } 12265 12266 private abstract class HandlerParams { 12267 private static final int MAX_RETRIES = 4; 12268 12269 /** 12270 * Number of times startCopy() has been attempted and had a non-fatal 12271 * error. 12272 */ 12273 private int mRetries = 0; 12274 12275 /** User handle for the user requesting the information or installation. */ 12276 private final UserHandle mUser; 12277 String traceMethod; 12278 int traceCookie; 12279 12280 HandlerParams(UserHandle user) { 12281 mUser = user; 12282 } 12283 12284 UserHandle getUser() { 12285 return mUser; 12286 } 12287 12288 HandlerParams setTraceMethod(String traceMethod) { 12289 this.traceMethod = traceMethod; 12290 return this; 12291 } 12292 12293 HandlerParams setTraceCookie(int traceCookie) { 12294 this.traceCookie = traceCookie; 12295 return this; 12296 } 12297 12298 final boolean startCopy() { 12299 boolean res; 12300 try { 12301 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12302 12303 if (++mRetries > MAX_RETRIES) { 12304 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12305 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12306 handleServiceError(); 12307 return false; 12308 } else { 12309 handleStartCopy(); 12310 res = true; 12311 } 12312 } catch (RemoteException e) { 12313 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12314 mHandler.sendEmptyMessage(MCS_RECONNECT); 12315 res = false; 12316 } 12317 handleReturnCode(); 12318 return res; 12319 } 12320 12321 final void serviceError() { 12322 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12323 handleServiceError(); 12324 handleReturnCode(); 12325 } 12326 12327 abstract void handleStartCopy() throws RemoteException; 12328 abstract void handleServiceError(); 12329 abstract void handleReturnCode(); 12330 } 12331 12332 class MeasureParams extends HandlerParams { 12333 private final PackageStats mStats; 12334 private boolean mSuccess; 12335 12336 private final IPackageStatsObserver mObserver; 12337 12338 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12339 super(new UserHandle(stats.userHandle)); 12340 mObserver = observer; 12341 mStats = stats; 12342 } 12343 12344 @Override 12345 public String toString() { 12346 return "MeasureParams{" 12347 + Integer.toHexString(System.identityHashCode(this)) 12348 + " " + mStats.packageName + "}"; 12349 } 12350 12351 @Override 12352 void handleStartCopy() throws RemoteException { 12353 synchronized (mInstallLock) { 12354 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12355 } 12356 12357 if (mSuccess) { 12358 final boolean mounted; 12359 if (Environment.isExternalStorageEmulated()) { 12360 mounted = true; 12361 } else { 12362 final String status = Environment.getExternalStorageState(); 12363 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12364 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12365 } 12366 12367 if (mounted) { 12368 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12369 12370 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12371 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12372 12373 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12374 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12375 12376 // Always subtract cache size, since it's a subdirectory 12377 mStats.externalDataSize -= mStats.externalCacheSize; 12378 12379 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12380 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12381 12382 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12383 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12384 } 12385 } 12386 } 12387 12388 @Override 12389 void handleReturnCode() { 12390 if (mObserver != null) { 12391 try { 12392 mObserver.onGetStatsCompleted(mStats, mSuccess); 12393 } catch (RemoteException e) { 12394 Slog.i(TAG, "Observer no longer exists."); 12395 } 12396 } 12397 } 12398 12399 @Override 12400 void handleServiceError() { 12401 Slog.e(TAG, "Could not measure application " + mStats.packageName 12402 + " external storage"); 12403 } 12404 } 12405 12406 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12407 throws RemoteException { 12408 long result = 0; 12409 for (File path : paths) { 12410 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12411 } 12412 return result; 12413 } 12414 12415 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12416 for (File path : paths) { 12417 try { 12418 mcs.clearDirectory(path.getAbsolutePath()); 12419 } catch (RemoteException e) { 12420 } 12421 } 12422 } 12423 12424 static class OriginInfo { 12425 /** 12426 * Location where install is coming from, before it has been 12427 * copied/renamed into place. This could be a single monolithic APK 12428 * file, or a cluster directory. This location may be untrusted. 12429 */ 12430 final File file; 12431 final String cid; 12432 12433 /** 12434 * Flag indicating that {@link #file} or {@link #cid} has already been 12435 * staged, meaning downstream users don't need to defensively copy the 12436 * contents. 12437 */ 12438 final boolean staged; 12439 12440 /** 12441 * Flag indicating that {@link #file} or {@link #cid} is an already 12442 * installed app that is being moved. 12443 */ 12444 final boolean existing; 12445 12446 final String resolvedPath; 12447 final File resolvedFile; 12448 12449 static OriginInfo fromNothing() { 12450 return new OriginInfo(null, null, false, false); 12451 } 12452 12453 static OriginInfo fromUntrustedFile(File file) { 12454 return new OriginInfo(file, null, false, false); 12455 } 12456 12457 static OriginInfo fromExistingFile(File file) { 12458 return new OriginInfo(file, null, false, true); 12459 } 12460 12461 static OriginInfo fromStagedFile(File file) { 12462 return new OriginInfo(file, null, true, false); 12463 } 12464 12465 static OriginInfo fromStagedContainer(String cid) { 12466 return new OriginInfo(null, cid, true, false); 12467 } 12468 12469 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12470 this.file = file; 12471 this.cid = cid; 12472 this.staged = staged; 12473 this.existing = existing; 12474 12475 if (cid != null) { 12476 resolvedPath = PackageHelper.getSdDir(cid); 12477 resolvedFile = new File(resolvedPath); 12478 } else if (file != null) { 12479 resolvedPath = file.getAbsolutePath(); 12480 resolvedFile = file; 12481 } else { 12482 resolvedPath = null; 12483 resolvedFile = null; 12484 } 12485 } 12486 } 12487 12488 static class MoveInfo { 12489 final int moveId; 12490 final String fromUuid; 12491 final String toUuid; 12492 final String packageName; 12493 final String dataAppName; 12494 final int appId; 12495 final String seinfo; 12496 final int targetSdkVersion; 12497 12498 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12499 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12500 this.moveId = moveId; 12501 this.fromUuid = fromUuid; 12502 this.toUuid = toUuid; 12503 this.packageName = packageName; 12504 this.dataAppName = dataAppName; 12505 this.appId = appId; 12506 this.seinfo = seinfo; 12507 this.targetSdkVersion = targetSdkVersion; 12508 } 12509 } 12510 12511 static class VerificationInfo { 12512 /** A constant used to indicate that a uid value is not present. */ 12513 public static final int NO_UID = -1; 12514 12515 /** URI referencing where the package was downloaded from. */ 12516 final Uri originatingUri; 12517 12518 /** HTTP referrer URI associated with the originatingURI. */ 12519 final Uri referrer; 12520 12521 /** UID of the application that the install request originated from. */ 12522 final int originatingUid; 12523 12524 /** UID of application requesting the install */ 12525 final int installerUid; 12526 12527 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12528 this.originatingUri = originatingUri; 12529 this.referrer = referrer; 12530 this.originatingUid = originatingUid; 12531 this.installerUid = installerUid; 12532 } 12533 } 12534 12535 class InstallParams extends HandlerParams { 12536 final OriginInfo origin; 12537 final MoveInfo move; 12538 final IPackageInstallObserver2 observer; 12539 int installFlags; 12540 final String installerPackageName; 12541 final String volumeUuid; 12542 private InstallArgs mArgs; 12543 private int mRet; 12544 final String packageAbiOverride; 12545 final String[] grantedRuntimePermissions; 12546 final VerificationInfo verificationInfo; 12547 final Certificate[][] certificates; 12548 12549 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12550 int installFlags, String installerPackageName, String volumeUuid, 12551 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12552 String[] grantedPermissions, Certificate[][] certificates) { 12553 super(user); 12554 this.origin = origin; 12555 this.move = move; 12556 this.observer = observer; 12557 this.installFlags = installFlags; 12558 this.installerPackageName = installerPackageName; 12559 this.volumeUuid = volumeUuid; 12560 this.verificationInfo = verificationInfo; 12561 this.packageAbiOverride = packageAbiOverride; 12562 this.grantedRuntimePermissions = grantedPermissions; 12563 this.certificates = certificates; 12564 } 12565 12566 @Override 12567 public String toString() { 12568 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12569 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12570 } 12571 12572 private int installLocationPolicy(PackageInfoLite pkgLite) { 12573 String packageName = pkgLite.packageName; 12574 int installLocation = pkgLite.installLocation; 12575 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12576 // reader 12577 synchronized (mPackages) { 12578 // Currently installed package which the new package is attempting to replace or 12579 // null if no such package is installed. 12580 PackageParser.Package installedPkg = mPackages.get(packageName); 12581 // Package which currently owns the data which the new package will own if installed. 12582 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12583 // will be null whereas dataOwnerPkg will contain information about the package 12584 // which was uninstalled while keeping its data. 12585 PackageParser.Package dataOwnerPkg = installedPkg; 12586 if (dataOwnerPkg == null) { 12587 PackageSetting ps = mSettings.mPackages.get(packageName); 12588 if (ps != null) { 12589 dataOwnerPkg = ps.pkg; 12590 } 12591 } 12592 12593 if (dataOwnerPkg != null) { 12594 // If installed, the package will get access to data left on the device by its 12595 // predecessor. As a security measure, this is permited only if this is not a 12596 // version downgrade or if the predecessor package is marked as debuggable and 12597 // a downgrade is explicitly requested. 12598 // 12599 // On debuggable platform builds, downgrades are permitted even for 12600 // non-debuggable packages to make testing easier. Debuggable platform builds do 12601 // not offer security guarantees and thus it's OK to disable some security 12602 // mechanisms to make debugging/testing easier on those builds. However, even on 12603 // debuggable builds downgrades of packages are permitted only if requested via 12604 // installFlags. This is because we aim to keep the behavior of debuggable 12605 // platform builds as close as possible to the behavior of non-debuggable 12606 // platform builds. 12607 final boolean downgradeRequested = 12608 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12609 final boolean packageDebuggable = 12610 (dataOwnerPkg.applicationInfo.flags 12611 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12612 final boolean downgradePermitted = 12613 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12614 if (!downgradePermitted) { 12615 try { 12616 checkDowngrade(dataOwnerPkg, pkgLite); 12617 } catch (PackageManagerException e) { 12618 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12619 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12620 } 12621 } 12622 } 12623 12624 if (installedPkg != null) { 12625 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12626 // Check for updated system application. 12627 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12628 if (onSd) { 12629 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12630 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12631 } 12632 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12633 } else { 12634 if (onSd) { 12635 // Install flag overrides everything. 12636 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12637 } 12638 // If current upgrade specifies particular preference 12639 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12640 // Application explicitly specified internal. 12641 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12642 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12643 // App explictly prefers external. Let policy decide 12644 } else { 12645 // Prefer previous location 12646 if (isExternal(installedPkg)) { 12647 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12648 } 12649 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12650 } 12651 } 12652 } else { 12653 // Invalid install. Return error code 12654 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12655 } 12656 } 12657 } 12658 // All the special cases have been taken care of. 12659 // Return result based on recommended install location. 12660 if (onSd) { 12661 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12662 } 12663 return pkgLite.recommendedInstallLocation; 12664 } 12665 12666 /* 12667 * Invoke remote method to get package information and install 12668 * location values. Override install location based on default 12669 * policy if needed and then create install arguments based 12670 * on the install location. 12671 */ 12672 public void handleStartCopy() throws RemoteException { 12673 int ret = PackageManager.INSTALL_SUCCEEDED; 12674 12675 // If we're already staged, we've firmly committed to an install location 12676 if (origin.staged) { 12677 if (origin.file != null) { 12678 installFlags |= PackageManager.INSTALL_INTERNAL; 12679 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12680 } else if (origin.cid != null) { 12681 installFlags |= PackageManager.INSTALL_EXTERNAL; 12682 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12683 } else { 12684 throw new IllegalStateException("Invalid stage location"); 12685 } 12686 } 12687 12688 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12689 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12690 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12691 PackageInfoLite pkgLite = null; 12692 12693 if (onInt && onSd) { 12694 // Check if both bits are set. 12695 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12696 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12697 } else if (onSd && ephemeral) { 12698 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12699 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12700 } else { 12701 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12702 packageAbiOverride); 12703 12704 if (DEBUG_EPHEMERAL && ephemeral) { 12705 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12706 } 12707 12708 /* 12709 * If we have too little free space, try to free cache 12710 * before giving up. 12711 */ 12712 if (!origin.staged && pkgLite.recommendedInstallLocation 12713 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12714 // TODO: focus freeing disk space on the target device 12715 final StorageManager storage = StorageManager.from(mContext); 12716 final long lowThreshold = storage.getStorageLowBytes( 12717 Environment.getDataDirectory()); 12718 12719 final long sizeBytes = mContainerService.calculateInstalledSize( 12720 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12721 12722 try { 12723 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12724 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12725 installFlags, packageAbiOverride); 12726 } catch (InstallerException e) { 12727 Slog.w(TAG, "Failed to free cache", e); 12728 } 12729 12730 /* 12731 * The cache free must have deleted the file we 12732 * downloaded to install. 12733 * 12734 * TODO: fix the "freeCache" call to not delete 12735 * the file we care about. 12736 */ 12737 if (pkgLite.recommendedInstallLocation 12738 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12739 pkgLite.recommendedInstallLocation 12740 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12741 } 12742 } 12743 } 12744 12745 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12746 int loc = pkgLite.recommendedInstallLocation; 12747 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12748 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12749 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12750 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12751 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12752 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12753 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12754 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12755 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12756 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12757 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12758 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12759 } else { 12760 // Override with defaults if needed. 12761 loc = installLocationPolicy(pkgLite); 12762 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12763 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12764 } else if (!onSd && !onInt) { 12765 // Override install location with flags 12766 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12767 // Set the flag to install on external media. 12768 installFlags |= PackageManager.INSTALL_EXTERNAL; 12769 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12770 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12771 if (DEBUG_EPHEMERAL) { 12772 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12773 } 12774 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12775 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12776 |PackageManager.INSTALL_INTERNAL); 12777 } else { 12778 // Make sure the flag for installing on external 12779 // media is unset 12780 installFlags |= PackageManager.INSTALL_INTERNAL; 12781 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12782 } 12783 } 12784 } 12785 } 12786 12787 final InstallArgs args = createInstallArgs(this); 12788 mArgs = args; 12789 12790 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12791 // TODO: http://b/22976637 12792 // Apps installed for "all" users use the device owner to verify the app 12793 UserHandle verifierUser = getUser(); 12794 if (verifierUser == UserHandle.ALL) { 12795 verifierUser = UserHandle.SYSTEM; 12796 } 12797 12798 /* 12799 * Determine if we have any installed package verifiers. If we 12800 * do, then we'll defer to them to verify the packages. 12801 */ 12802 final int requiredUid = mRequiredVerifierPackage == null ? -1 12803 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12804 verifierUser.getIdentifier()); 12805 if (!origin.existing && requiredUid != -1 12806 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12807 final Intent verification = new Intent( 12808 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12809 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12810 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12811 PACKAGE_MIME_TYPE); 12812 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12813 12814 // Query all live verifiers based on current user state 12815 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12816 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12817 12818 if (DEBUG_VERIFY) { 12819 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12820 + verification.toString() + " with " + pkgLite.verifiers.length 12821 + " optional verifiers"); 12822 } 12823 12824 final int verificationId = mPendingVerificationToken++; 12825 12826 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12827 12828 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12829 installerPackageName); 12830 12831 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12832 installFlags); 12833 12834 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12835 pkgLite.packageName); 12836 12837 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12838 pkgLite.versionCode); 12839 12840 if (verificationInfo != null) { 12841 if (verificationInfo.originatingUri != null) { 12842 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12843 verificationInfo.originatingUri); 12844 } 12845 if (verificationInfo.referrer != null) { 12846 verification.putExtra(Intent.EXTRA_REFERRER, 12847 verificationInfo.referrer); 12848 } 12849 if (verificationInfo.originatingUid >= 0) { 12850 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12851 verificationInfo.originatingUid); 12852 } 12853 if (verificationInfo.installerUid >= 0) { 12854 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12855 verificationInfo.installerUid); 12856 } 12857 } 12858 12859 final PackageVerificationState verificationState = new PackageVerificationState( 12860 requiredUid, args); 12861 12862 mPendingVerification.append(verificationId, verificationState); 12863 12864 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12865 receivers, verificationState); 12866 12867 /* 12868 * If any sufficient verifiers were listed in the package 12869 * manifest, attempt to ask them. 12870 */ 12871 if (sufficientVerifiers != null) { 12872 final int N = sufficientVerifiers.size(); 12873 if (N == 0) { 12874 Slog.i(TAG, "Additional verifiers required, but none installed."); 12875 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12876 } else { 12877 for (int i = 0; i < N; i++) { 12878 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12879 12880 final Intent sufficientIntent = new Intent(verification); 12881 sufficientIntent.setComponent(verifierComponent); 12882 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12883 } 12884 } 12885 } 12886 12887 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12888 mRequiredVerifierPackage, receivers); 12889 if (ret == PackageManager.INSTALL_SUCCEEDED 12890 && mRequiredVerifierPackage != null) { 12891 Trace.asyncTraceBegin( 12892 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12893 /* 12894 * Send the intent to the required verification agent, 12895 * but only start the verification timeout after the 12896 * target BroadcastReceivers have run. 12897 */ 12898 verification.setComponent(requiredVerifierComponent); 12899 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12900 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12901 new BroadcastReceiver() { 12902 @Override 12903 public void onReceive(Context context, Intent intent) { 12904 final Message msg = mHandler 12905 .obtainMessage(CHECK_PENDING_VERIFICATION); 12906 msg.arg1 = verificationId; 12907 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12908 } 12909 }, null, 0, null, null); 12910 12911 /* 12912 * We don't want the copy to proceed until verification 12913 * succeeds, so null out this field. 12914 */ 12915 mArgs = null; 12916 } 12917 } else { 12918 /* 12919 * No package verification is enabled, so immediately start 12920 * the remote call to initiate copy using temporary file. 12921 */ 12922 ret = args.copyApk(mContainerService, true); 12923 } 12924 } 12925 12926 mRet = ret; 12927 } 12928 12929 @Override 12930 void handleReturnCode() { 12931 // If mArgs is null, then MCS couldn't be reached. When it 12932 // reconnects, it will try again to install. At that point, this 12933 // will succeed. 12934 if (mArgs != null) { 12935 processPendingInstall(mArgs, mRet); 12936 } 12937 } 12938 12939 @Override 12940 void handleServiceError() { 12941 mArgs = createInstallArgs(this); 12942 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12943 } 12944 12945 public boolean isForwardLocked() { 12946 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12947 } 12948 } 12949 12950 /** 12951 * Used during creation of InstallArgs 12952 * 12953 * @param installFlags package installation flags 12954 * @return true if should be installed on external storage 12955 */ 12956 private static boolean installOnExternalAsec(int installFlags) { 12957 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12958 return false; 12959 } 12960 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12961 return true; 12962 } 12963 return false; 12964 } 12965 12966 /** 12967 * Used during creation of InstallArgs 12968 * 12969 * @param installFlags package installation flags 12970 * @return true if should be installed as forward locked 12971 */ 12972 private static boolean installForwardLocked(int installFlags) { 12973 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12974 } 12975 12976 private InstallArgs createInstallArgs(InstallParams params) { 12977 if (params.move != null) { 12978 return new MoveInstallArgs(params); 12979 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12980 return new AsecInstallArgs(params); 12981 } else { 12982 return new FileInstallArgs(params); 12983 } 12984 } 12985 12986 /** 12987 * Create args that describe an existing installed package. Typically used 12988 * when cleaning up old installs, or used as a move source. 12989 */ 12990 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12991 String resourcePath, String[] instructionSets) { 12992 final boolean isInAsec; 12993 if (installOnExternalAsec(installFlags)) { 12994 /* Apps on SD card are always in ASEC containers. */ 12995 isInAsec = true; 12996 } else if (installForwardLocked(installFlags) 12997 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12998 /* 12999 * Forward-locked apps are only in ASEC containers if they're the 13000 * new style 13001 */ 13002 isInAsec = true; 13003 } else { 13004 isInAsec = false; 13005 } 13006 13007 if (isInAsec) { 13008 return new AsecInstallArgs(codePath, instructionSets, 13009 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13010 } else { 13011 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13012 } 13013 } 13014 13015 static abstract class InstallArgs { 13016 /** @see InstallParams#origin */ 13017 final OriginInfo origin; 13018 /** @see InstallParams#move */ 13019 final MoveInfo move; 13020 13021 final IPackageInstallObserver2 observer; 13022 // Always refers to PackageManager flags only 13023 final int installFlags; 13024 final String installerPackageName; 13025 final String volumeUuid; 13026 final UserHandle user; 13027 final String abiOverride; 13028 final String[] installGrantPermissions; 13029 /** If non-null, drop an async trace when the install completes */ 13030 final String traceMethod; 13031 final int traceCookie; 13032 final Certificate[][] certificates; 13033 13034 // The list of instruction sets supported by this app. This is currently 13035 // only used during the rmdex() phase to clean up resources. We can get rid of this 13036 // if we move dex files under the common app path. 13037 /* nullable */ String[] instructionSets; 13038 13039 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13040 int installFlags, String installerPackageName, String volumeUuid, 13041 UserHandle user, String[] instructionSets, 13042 String abiOverride, String[] installGrantPermissions, 13043 String traceMethod, int traceCookie, Certificate[][] certificates) { 13044 this.origin = origin; 13045 this.move = move; 13046 this.installFlags = installFlags; 13047 this.observer = observer; 13048 this.installerPackageName = installerPackageName; 13049 this.volumeUuid = volumeUuid; 13050 this.user = user; 13051 this.instructionSets = instructionSets; 13052 this.abiOverride = abiOverride; 13053 this.installGrantPermissions = installGrantPermissions; 13054 this.traceMethod = traceMethod; 13055 this.traceCookie = traceCookie; 13056 this.certificates = certificates; 13057 } 13058 13059 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13060 abstract int doPreInstall(int status); 13061 13062 /** 13063 * Rename package into final resting place. All paths on the given 13064 * scanned package should be updated to reflect the rename. 13065 */ 13066 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13067 abstract int doPostInstall(int status, int uid); 13068 13069 /** @see PackageSettingBase#codePathString */ 13070 abstract String getCodePath(); 13071 /** @see PackageSettingBase#resourcePathString */ 13072 abstract String getResourcePath(); 13073 13074 // Need installer lock especially for dex file removal. 13075 abstract void cleanUpResourcesLI(); 13076 abstract boolean doPostDeleteLI(boolean delete); 13077 13078 /** 13079 * Called before the source arguments are copied. This is used mostly 13080 * for MoveParams when it needs to read the source file to put it in the 13081 * destination. 13082 */ 13083 int doPreCopy() { 13084 return PackageManager.INSTALL_SUCCEEDED; 13085 } 13086 13087 /** 13088 * Called after the source arguments are copied. This is used mostly for 13089 * MoveParams when it needs to read the source file to put it in the 13090 * destination. 13091 */ 13092 int doPostCopy(int uid) { 13093 return PackageManager.INSTALL_SUCCEEDED; 13094 } 13095 13096 protected boolean isFwdLocked() { 13097 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13098 } 13099 13100 protected boolean isExternalAsec() { 13101 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13102 } 13103 13104 protected boolean isEphemeral() { 13105 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13106 } 13107 13108 UserHandle getUser() { 13109 return user; 13110 } 13111 } 13112 13113 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13114 if (!allCodePaths.isEmpty()) { 13115 if (instructionSets == null) { 13116 throw new IllegalStateException("instructionSet == null"); 13117 } 13118 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13119 for (String codePath : allCodePaths) { 13120 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13121 try { 13122 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13123 } catch (InstallerException ignored) { 13124 } 13125 } 13126 } 13127 } 13128 } 13129 13130 /** 13131 * Logic to handle installation of non-ASEC applications, including copying 13132 * and renaming logic. 13133 */ 13134 class FileInstallArgs extends InstallArgs { 13135 private File codeFile; 13136 private File resourceFile; 13137 13138 // Example topology: 13139 // /data/app/com.example/base.apk 13140 // /data/app/com.example/split_foo.apk 13141 // /data/app/com.example/lib/arm/libfoo.so 13142 // /data/app/com.example/lib/arm64/libfoo.so 13143 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13144 13145 /** New install */ 13146 FileInstallArgs(InstallParams params) { 13147 super(params.origin, params.move, params.observer, params.installFlags, 13148 params.installerPackageName, params.volumeUuid, 13149 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13150 params.grantedRuntimePermissions, 13151 params.traceMethod, params.traceCookie, params.certificates); 13152 if (isFwdLocked()) { 13153 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13154 } 13155 } 13156 13157 /** Existing install */ 13158 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13159 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13160 null, null, null, 0, null /*certificates*/); 13161 this.codeFile = (codePath != null) ? new File(codePath) : null; 13162 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13163 } 13164 13165 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13166 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13167 try { 13168 return doCopyApk(imcs, temp); 13169 } finally { 13170 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13171 } 13172 } 13173 13174 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13175 if (origin.staged) { 13176 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13177 codeFile = origin.file; 13178 resourceFile = origin.file; 13179 return PackageManager.INSTALL_SUCCEEDED; 13180 } 13181 13182 try { 13183 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13184 final File tempDir = 13185 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13186 codeFile = tempDir; 13187 resourceFile = tempDir; 13188 } catch (IOException e) { 13189 Slog.w(TAG, "Failed to create copy file: " + e); 13190 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13191 } 13192 13193 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13194 @Override 13195 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13196 if (!FileUtils.isValidExtFilename(name)) { 13197 throw new IllegalArgumentException("Invalid filename: " + name); 13198 } 13199 try { 13200 final File file = new File(codeFile, name); 13201 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13202 O_RDWR | O_CREAT, 0644); 13203 Os.chmod(file.getAbsolutePath(), 0644); 13204 return new ParcelFileDescriptor(fd); 13205 } catch (ErrnoException e) { 13206 throw new RemoteException("Failed to open: " + e.getMessage()); 13207 } 13208 } 13209 }; 13210 13211 int ret = PackageManager.INSTALL_SUCCEEDED; 13212 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13213 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13214 Slog.e(TAG, "Failed to copy package"); 13215 return ret; 13216 } 13217 13218 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13219 NativeLibraryHelper.Handle handle = null; 13220 try { 13221 handle = NativeLibraryHelper.Handle.create(codeFile); 13222 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13223 abiOverride); 13224 } catch (IOException e) { 13225 Slog.e(TAG, "Copying native libraries failed", e); 13226 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13227 } finally { 13228 IoUtils.closeQuietly(handle); 13229 } 13230 13231 return ret; 13232 } 13233 13234 int doPreInstall(int status) { 13235 if (status != PackageManager.INSTALL_SUCCEEDED) { 13236 cleanUp(); 13237 } 13238 return status; 13239 } 13240 13241 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13242 if (status != PackageManager.INSTALL_SUCCEEDED) { 13243 cleanUp(); 13244 return false; 13245 } 13246 13247 final File targetDir = codeFile.getParentFile(); 13248 final File beforeCodeFile = codeFile; 13249 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13250 13251 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13252 try { 13253 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13254 } catch (ErrnoException e) { 13255 Slog.w(TAG, "Failed to rename", e); 13256 return false; 13257 } 13258 13259 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13260 Slog.w(TAG, "Failed to restorecon"); 13261 return false; 13262 } 13263 13264 // Reflect the rename internally 13265 codeFile = afterCodeFile; 13266 resourceFile = afterCodeFile; 13267 13268 // Reflect the rename in scanned details 13269 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13270 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13271 afterCodeFile, pkg.baseCodePath)); 13272 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13273 afterCodeFile, pkg.splitCodePaths)); 13274 13275 // Reflect the rename in app info 13276 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13277 pkg.setApplicationInfoCodePath(pkg.codePath); 13278 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13279 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13280 pkg.setApplicationInfoResourcePath(pkg.codePath); 13281 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13282 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13283 13284 return true; 13285 } 13286 13287 int doPostInstall(int status, int uid) { 13288 if (status != PackageManager.INSTALL_SUCCEEDED) { 13289 cleanUp(); 13290 } 13291 return status; 13292 } 13293 13294 @Override 13295 String getCodePath() { 13296 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13297 } 13298 13299 @Override 13300 String getResourcePath() { 13301 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13302 } 13303 13304 private boolean cleanUp() { 13305 if (codeFile == null || !codeFile.exists()) { 13306 return false; 13307 } 13308 13309 removeCodePathLI(codeFile); 13310 13311 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13312 resourceFile.delete(); 13313 } 13314 13315 return true; 13316 } 13317 13318 void cleanUpResourcesLI() { 13319 // Try enumerating all code paths before deleting 13320 List<String> allCodePaths = Collections.EMPTY_LIST; 13321 if (codeFile != null && codeFile.exists()) { 13322 try { 13323 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13324 allCodePaths = pkg.getAllCodePaths(); 13325 } catch (PackageParserException e) { 13326 // Ignored; we tried our best 13327 } 13328 } 13329 13330 cleanUp(); 13331 removeDexFiles(allCodePaths, instructionSets); 13332 } 13333 13334 boolean doPostDeleteLI(boolean delete) { 13335 // XXX err, shouldn't we respect the delete flag? 13336 cleanUpResourcesLI(); 13337 return true; 13338 } 13339 } 13340 13341 private boolean isAsecExternal(String cid) { 13342 final String asecPath = PackageHelper.getSdFilesystem(cid); 13343 return !asecPath.startsWith(mAsecInternalPath); 13344 } 13345 13346 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13347 PackageManagerException { 13348 if (copyRet < 0) { 13349 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13350 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13351 throw new PackageManagerException(copyRet, message); 13352 } 13353 } 13354 } 13355 13356 /** 13357 * Extract the MountService "container ID" from the full code path of an 13358 * .apk. 13359 */ 13360 static String cidFromCodePath(String fullCodePath) { 13361 int eidx = fullCodePath.lastIndexOf("/"); 13362 String subStr1 = fullCodePath.substring(0, eidx); 13363 int sidx = subStr1.lastIndexOf("/"); 13364 return subStr1.substring(sidx+1, eidx); 13365 } 13366 13367 /** 13368 * Logic to handle installation of ASEC applications, including copying and 13369 * renaming logic. 13370 */ 13371 class AsecInstallArgs extends InstallArgs { 13372 static final String RES_FILE_NAME = "pkg.apk"; 13373 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13374 13375 String cid; 13376 String packagePath; 13377 String resourcePath; 13378 13379 /** New install */ 13380 AsecInstallArgs(InstallParams params) { 13381 super(params.origin, params.move, params.observer, params.installFlags, 13382 params.installerPackageName, params.volumeUuid, 13383 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13384 params.grantedRuntimePermissions, 13385 params.traceMethod, params.traceCookie, params.certificates); 13386 } 13387 13388 /** Existing install */ 13389 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13390 boolean isExternal, boolean isForwardLocked) { 13391 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13392 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13393 instructionSets, null, null, null, 0, null /*certificates*/); 13394 // Hackily pretend we're still looking at a full code path 13395 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13396 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13397 } 13398 13399 // Extract cid from fullCodePath 13400 int eidx = fullCodePath.lastIndexOf("/"); 13401 String subStr1 = fullCodePath.substring(0, eidx); 13402 int sidx = subStr1.lastIndexOf("/"); 13403 cid = subStr1.substring(sidx+1, eidx); 13404 setMountPath(subStr1); 13405 } 13406 13407 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13408 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13409 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13410 instructionSets, null, null, null, 0, null /*certificates*/); 13411 this.cid = cid; 13412 setMountPath(PackageHelper.getSdDir(cid)); 13413 } 13414 13415 void createCopyFile() { 13416 cid = mInstallerService.allocateExternalStageCidLegacy(); 13417 } 13418 13419 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13420 if (origin.staged && origin.cid != null) { 13421 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13422 cid = origin.cid; 13423 setMountPath(PackageHelper.getSdDir(cid)); 13424 return PackageManager.INSTALL_SUCCEEDED; 13425 } 13426 13427 if (temp) { 13428 createCopyFile(); 13429 } else { 13430 /* 13431 * Pre-emptively destroy the container since it's destroyed if 13432 * copying fails due to it existing anyway. 13433 */ 13434 PackageHelper.destroySdDir(cid); 13435 } 13436 13437 final String newMountPath = imcs.copyPackageToContainer( 13438 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13439 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13440 13441 if (newMountPath != null) { 13442 setMountPath(newMountPath); 13443 return PackageManager.INSTALL_SUCCEEDED; 13444 } else { 13445 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13446 } 13447 } 13448 13449 @Override 13450 String getCodePath() { 13451 return packagePath; 13452 } 13453 13454 @Override 13455 String getResourcePath() { 13456 return resourcePath; 13457 } 13458 13459 int doPreInstall(int status) { 13460 if (status != PackageManager.INSTALL_SUCCEEDED) { 13461 // Destroy container 13462 PackageHelper.destroySdDir(cid); 13463 } else { 13464 boolean mounted = PackageHelper.isContainerMounted(cid); 13465 if (!mounted) { 13466 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13467 Process.SYSTEM_UID); 13468 if (newMountPath != null) { 13469 setMountPath(newMountPath); 13470 } else { 13471 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13472 } 13473 } 13474 } 13475 return status; 13476 } 13477 13478 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13479 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13480 String newMountPath = null; 13481 if (PackageHelper.isContainerMounted(cid)) { 13482 // Unmount the container 13483 if (!PackageHelper.unMountSdDir(cid)) { 13484 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13485 return false; 13486 } 13487 } 13488 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13489 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13490 " which might be stale. Will try to clean up."); 13491 // Clean up the stale container and proceed to recreate. 13492 if (!PackageHelper.destroySdDir(newCacheId)) { 13493 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13494 return false; 13495 } 13496 // Successfully cleaned up stale container. Try to rename again. 13497 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13498 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13499 + " inspite of cleaning it up."); 13500 return false; 13501 } 13502 } 13503 if (!PackageHelper.isContainerMounted(newCacheId)) { 13504 Slog.w(TAG, "Mounting container " + newCacheId); 13505 newMountPath = PackageHelper.mountSdDir(newCacheId, 13506 getEncryptKey(), Process.SYSTEM_UID); 13507 } else { 13508 newMountPath = PackageHelper.getSdDir(newCacheId); 13509 } 13510 if (newMountPath == null) { 13511 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13512 return false; 13513 } 13514 Log.i(TAG, "Succesfully renamed " + cid + 13515 " to " + newCacheId + 13516 " at new path: " + newMountPath); 13517 cid = newCacheId; 13518 13519 final File beforeCodeFile = new File(packagePath); 13520 setMountPath(newMountPath); 13521 final File afterCodeFile = new File(packagePath); 13522 13523 // Reflect the rename in scanned details 13524 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13525 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13526 afterCodeFile, pkg.baseCodePath)); 13527 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13528 afterCodeFile, pkg.splitCodePaths)); 13529 13530 // Reflect the rename in app info 13531 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13532 pkg.setApplicationInfoCodePath(pkg.codePath); 13533 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13534 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13535 pkg.setApplicationInfoResourcePath(pkg.codePath); 13536 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13537 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13538 13539 return true; 13540 } 13541 13542 private void setMountPath(String mountPath) { 13543 final File mountFile = new File(mountPath); 13544 13545 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13546 if (monolithicFile.exists()) { 13547 packagePath = monolithicFile.getAbsolutePath(); 13548 if (isFwdLocked()) { 13549 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13550 } else { 13551 resourcePath = packagePath; 13552 } 13553 } else { 13554 packagePath = mountFile.getAbsolutePath(); 13555 resourcePath = packagePath; 13556 } 13557 } 13558 13559 int doPostInstall(int status, int uid) { 13560 if (status != PackageManager.INSTALL_SUCCEEDED) { 13561 cleanUp(); 13562 } else { 13563 final int groupOwner; 13564 final String protectedFile; 13565 if (isFwdLocked()) { 13566 groupOwner = UserHandle.getSharedAppGid(uid); 13567 protectedFile = RES_FILE_NAME; 13568 } else { 13569 groupOwner = -1; 13570 protectedFile = null; 13571 } 13572 13573 if (uid < Process.FIRST_APPLICATION_UID 13574 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13575 Slog.e(TAG, "Failed to finalize " + cid); 13576 PackageHelper.destroySdDir(cid); 13577 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13578 } 13579 13580 boolean mounted = PackageHelper.isContainerMounted(cid); 13581 if (!mounted) { 13582 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13583 } 13584 } 13585 return status; 13586 } 13587 13588 private void cleanUp() { 13589 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13590 13591 // Destroy secure container 13592 PackageHelper.destroySdDir(cid); 13593 } 13594 13595 private List<String> getAllCodePaths() { 13596 final File codeFile = new File(getCodePath()); 13597 if (codeFile != null && codeFile.exists()) { 13598 try { 13599 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13600 return pkg.getAllCodePaths(); 13601 } catch (PackageParserException e) { 13602 // Ignored; we tried our best 13603 } 13604 } 13605 return Collections.EMPTY_LIST; 13606 } 13607 13608 void cleanUpResourcesLI() { 13609 // Enumerate all code paths before deleting 13610 cleanUpResourcesLI(getAllCodePaths()); 13611 } 13612 13613 private void cleanUpResourcesLI(List<String> allCodePaths) { 13614 cleanUp(); 13615 removeDexFiles(allCodePaths, instructionSets); 13616 } 13617 13618 String getPackageName() { 13619 return getAsecPackageName(cid); 13620 } 13621 13622 boolean doPostDeleteLI(boolean delete) { 13623 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13624 final List<String> allCodePaths = getAllCodePaths(); 13625 boolean mounted = PackageHelper.isContainerMounted(cid); 13626 if (mounted) { 13627 // Unmount first 13628 if (PackageHelper.unMountSdDir(cid)) { 13629 mounted = false; 13630 } 13631 } 13632 if (!mounted && delete) { 13633 cleanUpResourcesLI(allCodePaths); 13634 } 13635 return !mounted; 13636 } 13637 13638 @Override 13639 int doPreCopy() { 13640 if (isFwdLocked()) { 13641 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13642 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13643 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13644 } 13645 } 13646 13647 return PackageManager.INSTALL_SUCCEEDED; 13648 } 13649 13650 @Override 13651 int doPostCopy(int uid) { 13652 if (isFwdLocked()) { 13653 if (uid < Process.FIRST_APPLICATION_UID 13654 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13655 RES_FILE_NAME)) { 13656 Slog.e(TAG, "Failed to finalize " + cid); 13657 PackageHelper.destroySdDir(cid); 13658 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13659 } 13660 } 13661 13662 return PackageManager.INSTALL_SUCCEEDED; 13663 } 13664 } 13665 13666 /** 13667 * Logic to handle movement of existing installed applications. 13668 */ 13669 class MoveInstallArgs extends InstallArgs { 13670 private File codeFile; 13671 private File resourceFile; 13672 13673 /** New install */ 13674 MoveInstallArgs(InstallParams params) { 13675 super(params.origin, params.move, params.observer, params.installFlags, 13676 params.installerPackageName, params.volumeUuid, 13677 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13678 params.grantedRuntimePermissions, 13679 params.traceMethod, params.traceCookie, params.certificates); 13680 } 13681 13682 int copyApk(IMediaContainerService imcs, boolean temp) { 13683 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13684 + move.fromUuid + " to " + move.toUuid); 13685 synchronized (mInstaller) { 13686 try { 13687 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13688 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13689 } catch (InstallerException e) { 13690 Slog.w(TAG, "Failed to move app", e); 13691 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13692 } 13693 } 13694 13695 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13696 resourceFile = codeFile; 13697 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13698 13699 return PackageManager.INSTALL_SUCCEEDED; 13700 } 13701 13702 int doPreInstall(int status) { 13703 if (status != PackageManager.INSTALL_SUCCEEDED) { 13704 cleanUp(move.toUuid); 13705 } 13706 return status; 13707 } 13708 13709 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13710 if (status != PackageManager.INSTALL_SUCCEEDED) { 13711 cleanUp(move.toUuid); 13712 return false; 13713 } 13714 13715 // Reflect the move in app info 13716 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13717 pkg.setApplicationInfoCodePath(pkg.codePath); 13718 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13719 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13720 pkg.setApplicationInfoResourcePath(pkg.codePath); 13721 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13722 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13723 13724 return true; 13725 } 13726 13727 int doPostInstall(int status, int uid) { 13728 if (status == PackageManager.INSTALL_SUCCEEDED) { 13729 cleanUp(move.fromUuid); 13730 } else { 13731 cleanUp(move.toUuid); 13732 } 13733 return status; 13734 } 13735 13736 @Override 13737 String getCodePath() { 13738 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13739 } 13740 13741 @Override 13742 String getResourcePath() { 13743 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13744 } 13745 13746 private boolean cleanUp(String volumeUuid) { 13747 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13748 move.dataAppName); 13749 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13750 final int[] userIds = sUserManager.getUserIds(); 13751 synchronized (mInstallLock) { 13752 // Clean up both app data and code 13753 // All package moves are frozen until finished 13754 for (int userId : userIds) { 13755 try { 13756 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13757 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13758 } catch (InstallerException e) { 13759 Slog.w(TAG, String.valueOf(e)); 13760 } 13761 } 13762 removeCodePathLI(codeFile); 13763 } 13764 return true; 13765 } 13766 13767 void cleanUpResourcesLI() { 13768 throw new UnsupportedOperationException(); 13769 } 13770 13771 boolean doPostDeleteLI(boolean delete) { 13772 throw new UnsupportedOperationException(); 13773 } 13774 } 13775 13776 static String getAsecPackageName(String packageCid) { 13777 int idx = packageCid.lastIndexOf("-"); 13778 if (idx == -1) { 13779 return packageCid; 13780 } 13781 return packageCid.substring(0, idx); 13782 } 13783 13784 // Utility method used to create code paths based on package name and available index. 13785 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13786 String idxStr = ""; 13787 int idx = 1; 13788 // Fall back to default value of idx=1 if prefix is not 13789 // part of oldCodePath 13790 if (oldCodePath != null) { 13791 String subStr = oldCodePath; 13792 // Drop the suffix right away 13793 if (suffix != null && subStr.endsWith(suffix)) { 13794 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13795 } 13796 // If oldCodePath already contains prefix find out the 13797 // ending index to either increment or decrement. 13798 int sidx = subStr.lastIndexOf(prefix); 13799 if (sidx != -1) { 13800 subStr = subStr.substring(sidx + prefix.length()); 13801 if (subStr != null) { 13802 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13803 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13804 } 13805 try { 13806 idx = Integer.parseInt(subStr); 13807 if (idx <= 1) { 13808 idx++; 13809 } else { 13810 idx--; 13811 } 13812 } catch(NumberFormatException e) { 13813 } 13814 } 13815 } 13816 } 13817 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13818 return prefix + idxStr; 13819 } 13820 13821 private File getNextCodePath(File targetDir, String packageName) { 13822 int suffix = 1; 13823 File result; 13824 do { 13825 result = new File(targetDir, packageName + "-" + suffix); 13826 suffix++; 13827 } while (result.exists()); 13828 return result; 13829 } 13830 13831 // Utility method that returns the relative package path with respect 13832 // to the installation directory. Like say for /data/data/com.test-1.apk 13833 // string com.test-1 is returned. 13834 static String deriveCodePathName(String codePath) { 13835 if (codePath == null) { 13836 return null; 13837 } 13838 final File codeFile = new File(codePath); 13839 final String name = codeFile.getName(); 13840 if (codeFile.isDirectory()) { 13841 return name; 13842 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13843 final int lastDot = name.lastIndexOf('.'); 13844 return name.substring(0, lastDot); 13845 } else { 13846 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13847 return null; 13848 } 13849 } 13850 13851 static class PackageInstalledInfo { 13852 String name; 13853 int uid; 13854 // The set of users that originally had this package installed. 13855 int[] origUsers; 13856 // The set of users that now have this package installed. 13857 int[] newUsers; 13858 PackageParser.Package pkg; 13859 int returnCode; 13860 String returnMsg; 13861 PackageRemovedInfo removedInfo; 13862 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13863 13864 public void setError(int code, String msg) { 13865 setReturnCode(code); 13866 setReturnMessage(msg); 13867 Slog.w(TAG, msg); 13868 } 13869 13870 public void setError(String msg, PackageParserException e) { 13871 setReturnCode(e.error); 13872 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13873 Slog.w(TAG, msg, e); 13874 } 13875 13876 public void setError(String msg, PackageManagerException e) { 13877 returnCode = e.error; 13878 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13879 Slog.w(TAG, msg, e); 13880 } 13881 13882 public void setReturnCode(int returnCode) { 13883 this.returnCode = returnCode; 13884 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13885 for (int i = 0; i < childCount; i++) { 13886 addedChildPackages.valueAt(i).returnCode = returnCode; 13887 } 13888 } 13889 13890 private void setReturnMessage(String returnMsg) { 13891 this.returnMsg = returnMsg; 13892 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13893 for (int i = 0; i < childCount; i++) { 13894 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13895 } 13896 } 13897 13898 // In some error cases we want to convey more info back to the observer 13899 String origPackage; 13900 String origPermission; 13901 } 13902 13903 /* 13904 * Install a non-existing package. 13905 */ 13906 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13907 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13908 PackageInstalledInfo res) { 13909 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13910 13911 // Remember this for later, in case we need to rollback this install 13912 String pkgName = pkg.packageName; 13913 13914 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13915 13916 synchronized(mPackages) { 13917 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13918 // A package with the same name is already installed, though 13919 // it has been renamed to an older name. The package we 13920 // are trying to install should be installed as an update to 13921 // the existing one, but that has not been requested, so bail. 13922 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13923 + " without first uninstalling package running as " 13924 + mSettings.mRenamedPackages.get(pkgName)); 13925 return; 13926 } 13927 if (mPackages.containsKey(pkgName)) { 13928 // Don't allow installation over an existing package with the same name. 13929 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13930 + " without first uninstalling."); 13931 return; 13932 } 13933 } 13934 13935 try { 13936 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13937 System.currentTimeMillis(), user); 13938 13939 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13940 13941 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13942 prepareAppDataAfterInstallLIF(newPackage); 13943 13944 } else { 13945 // Remove package from internal structures, but keep around any 13946 // data that might have already existed 13947 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13948 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13949 } 13950 } catch (PackageManagerException e) { 13951 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13952 } 13953 13954 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13955 } 13956 13957 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13958 // Can't rotate keys during boot or if sharedUser. 13959 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13960 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13961 return false; 13962 } 13963 // app is using upgradeKeySets; make sure all are valid 13964 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13965 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13966 for (int i = 0; i < upgradeKeySets.length; i++) { 13967 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13968 Slog.wtf(TAG, "Package " 13969 + (oldPs.name != null ? oldPs.name : "<null>") 13970 + " contains upgrade-key-set reference to unknown key-set: " 13971 + upgradeKeySets[i] 13972 + " reverting to signatures check."); 13973 return false; 13974 } 13975 } 13976 return true; 13977 } 13978 13979 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13980 // Upgrade keysets are being used. Determine if new package has a superset of the 13981 // required keys. 13982 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13983 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13984 for (int i = 0; i < upgradeKeySets.length; i++) { 13985 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13986 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13987 return true; 13988 } 13989 } 13990 return false; 13991 } 13992 13993 private static void updateDigest(MessageDigest digest, File file) throws IOException { 13994 try (DigestInputStream digestStream = 13995 new DigestInputStream(new FileInputStream(file), digest)) { 13996 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 13997 } 13998 } 13999 14000 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14001 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14002 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14003 14004 final PackageParser.Package oldPackage; 14005 final String pkgName = pkg.packageName; 14006 final int[] allUsers; 14007 final int[] installedUsers; 14008 14009 synchronized(mPackages) { 14010 oldPackage = mPackages.get(pkgName); 14011 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14012 14013 // don't allow upgrade to target a release SDK from a pre-release SDK 14014 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14015 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14016 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14017 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14018 if (oldTargetsPreRelease 14019 && !newTargetsPreRelease 14020 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14021 Slog.w(TAG, "Can't install package targeting released sdk"); 14022 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14023 return; 14024 } 14025 14026 // don't allow an upgrade from full to ephemeral 14027 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14028 if (isEphemeral && !oldIsEphemeral) { 14029 // can't downgrade from full to ephemeral 14030 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14031 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14032 return; 14033 } 14034 14035 // verify signatures are valid 14036 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14037 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14038 if (!checkUpgradeKeySetLP(ps, pkg)) { 14039 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14040 "New package not signed by keys specified by upgrade-keysets: " 14041 + pkgName); 14042 return; 14043 } 14044 } else { 14045 // default to original signature matching 14046 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14047 != PackageManager.SIGNATURE_MATCH) { 14048 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14049 "New package has a different signature: " + pkgName); 14050 return; 14051 } 14052 } 14053 14054 // don't allow a system upgrade unless the upgrade hash matches 14055 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14056 byte[] digestBytes = null; 14057 try { 14058 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14059 updateDigest(digest, new File(pkg.baseCodePath)); 14060 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14061 for (String path : pkg.splitCodePaths) { 14062 updateDigest(digest, new File(path)); 14063 } 14064 } 14065 digestBytes = digest.digest(); 14066 } catch (NoSuchAlgorithmException | IOException e) { 14067 res.setError(INSTALL_FAILED_INVALID_APK, 14068 "Could not compute hash: " + pkgName); 14069 return; 14070 } 14071 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14072 res.setError(INSTALL_FAILED_INVALID_APK, 14073 "New package fails restrict-update check: " + pkgName); 14074 return; 14075 } 14076 // retain upgrade restriction 14077 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14078 } 14079 14080 // Check for shared user id changes 14081 String invalidPackageName = 14082 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14083 if (invalidPackageName != null) { 14084 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14085 "Package " + invalidPackageName + " tried to change user " 14086 + oldPackage.mSharedUserId); 14087 return; 14088 } 14089 14090 // In case of rollback, remember per-user/profile install state 14091 allUsers = sUserManager.getUserIds(); 14092 installedUsers = ps.queryInstalledUsers(allUsers, true); 14093 } 14094 14095 // Update what is removed 14096 res.removedInfo = new PackageRemovedInfo(); 14097 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14098 res.removedInfo.removedPackage = oldPackage.packageName; 14099 res.removedInfo.isUpdate = true; 14100 res.removedInfo.origUsers = installedUsers; 14101 final int childCount = (oldPackage.childPackages != null) 14102 ? oldPackage.childPackages.size() : 0; 14103 for (int i = 0; i < childCount; i++) { 14104 boolean childPackageUpdated = false; 14105 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14106 if (res.addedChildPackages != null) { 14107 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14108 if (childRes != null) { 14109 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14110 childRes.removedInfo.removedPackage = childPkg.packageName; 14111 childRes.removedInfo.isUpdate = true; 14112 childPackageUpdated = true; 14113 } 14114 } 14115 if (!childPackageUpdated) { 14116 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14117 childRemovedRes.removedPackage = childPkg.packageName; 14118 childRemovedRes.isUpdate = false; 14119 childRemovedRes.dataRemoved = true; 14120 synchronized (mPackages) { 14121 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14122 if (childPs != null) { 14123 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14124 } 14125 } 14126 if (res.removedInfo.removedChildPackages == null) { 14127 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14128 } 14129 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14130 } 14131 } 14132 14133 boolean sysPkg = (isSystemApp(oldPackage)); 14134 if (sysPkg) { 14135 // Set the system/privileged flags as needed 14136 final boolean privileged = 14137 (oldPackage.applicationInfo.privateFlags 14138 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14139 final int systemPolicyFlags = policyFlags 14140 | PackageParser.PARSE_IS_SYSTEM 14141 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14142 14143 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14144 user, allUsers, installerPackageName, res); 14145 } else { 14146 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14147 user, allUsers, installerPackageName, res); 14148 } 14149 } 14150 14151 public List<String> getPreviousCodePaths(String packageName) { 14152 final PackageSetting ps = mSettings.mPackages.get(packageName); 14153 final List<String> result = new ArrayList<String>(); 14154 if (ps != null && ps.oldCodePaths != null) { 14155 result.addAll(ps.oldCodePaths); 14156 } 14157 return result; 14158 } 14159 14160 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14161 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14162 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14163 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14164 + deletedPackage); 14165 14166 String pkgName = deletedPackage.packageName; 14167 boolean deletedPkg = true; 14168 boolean addedPkg = false; 14169 boolean updatedSettings = false; 14170 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14171 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14172 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14173 14174 final long origUpdateTime = (pkg.mExtras != null) 14175 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14176 14177 // First delete the existing package while retaining the data directory 14178 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14179 res.removedInfo, true, pkg)) { 14180 // If the existing package wasn't successfully deleted 14181 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14182 deletedPkg = false; 14183 } else { 14184 // Successfully deleted the old package; proceed with replace. 14185 14186 // If deleted package lived in a container, give users a chance to 14187 // relinquish resources before killing. 14188 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14189 if (DEBUG_INSTALL) { 14190 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14191 } 14192 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14193 final ArrayList<String> pkgList = new ArrayList<String>(1); 14194 pkgList.add(deletedPackage.applicationInfo.packageName); 14195 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14196 } 14197 14198 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14199 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14200 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14201 14202 try { 14203 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14204 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14205 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14206 14207 // Update the in-memory copy of the previous code paths. 14208 PackageSetting ps = mSettings.mPackages.get(pkgName); 14209 if (!killApp) { 14210 if (ps.oldCodePaths == null) { 14211 ps.oldCodePaths = new ArraySet<>(); 14212 } 14213 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14214 if (deletedPackage.splitCodePaths != null) { 14215 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14216 } 14217 } else { 14218 ps.oldCodePaths = null; 14219 } 14220 if (ps.childPackageNames != null) { 14221 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14222 final String childPkgName = ps.childPackageNames.get(i); 14223 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14224 childPs.oldCodePaths = ps.oldCodePaths; 14225 } 14226 } 14227 prepareAppDataAfterInstallLIF(newPackage); 14228 addedPkg = true; 14229 } catch (PackageManagerException e) { 14230 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14231 } 14232 } 14233 14234 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14235 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14236 14237 // Revert all internal state mutations and added folders for the failed install 14238 if (addedPkg) { 14239 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14240 res.removedInfo, true, null); 14241 } 14242 14243 // Restore the old package 14244 if (deletedPkg) { 14245 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14246 File restoreFile = new File(deletedPackage.codePath); 14247 // Parse old package 14248 boolean oldExternal = isExternal(deletedPackage); 14249 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14250 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14251 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14252 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14253 try { 14254 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14255 null); 14256 } catch (PackageManagerException e) { 14257 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14258 + e.getMessage()); 14259 return; 14260 } 14261 14262 synchronized (mPackages) { 14263 // Ensure the installer package name up to date 14264 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14265 14266 // Update permissions for restored package 14267 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14268 14269 mSettings.writeLPr(); 14270 } 14271 14272 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14273 } 14274 } else { 14275 synchronized (mPackages) { 14276 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14277 if (ps != null) { 14278 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14279 if (res.removedInfo.removedChildPackages != null) { 14280 final int childCount = res.removedInfo.removedChildPackages.size(); 14281 // Iterate in reverse as we may modify the collection 14282 for (int i = childCount - 1; i >= 0; i--) { 14283 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14284 if (res.addedChildPackages.containsKey(childPackageName)) { 14285 res.removedInfo.removedChildPackages.removeAt(i); 14286 } else { 14287 PackageRemovedInfo childInfo = res.removedInfo 14288 .removedChildPackages.valueAt(i); 14289 childInfo.removedForAllUsers = mPackages.get( 14290 childInfo.removedPackage) == null; 14291 } 14292 } 14293 } 14294 } 14295 } 14296 } 14297 } 14298 14299 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14300 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14301 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14302 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14303 + ", old=" + deletedPackage); 14304 14305 final boolean disabledSystem; 14306 14307 // Remove existing system package 14308 removePackageLI(deletedPackage, true); 14309 14310 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14311 if (!disabledSystem) { 14312 // We didn't need to disable the .apk as a current system package, 14313 // which means we are replacing another update that is already 14314 // installed. We need to make sure to delete the older one's .apk. 14315 res.removedInfo.args = createInstallArgsForExisting(0, 14316 deletedPackage.applicationInfo.getCodePath(), 14317 deletedPackage.applicationInfo.getResourcePath(), 14318 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14319 } else { 14320 res.removedInfo.args = null; 14321 } 14322 14323 // Successfully disabled the old package. Now proceed with re-installation 14324 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14325 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14326 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14327 14328 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14329 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14330 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14331 14332 PackageParser.Package newPackage = null; 14333 try { 14334 // Add the package to the internal data structures 14335 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14336 14337 // Set the update and install times 14338 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14339 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14340 System.currentTimeMillis()); 14341 14342 // Update the package dynamic state if succeeded 14343 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14344 // Now that the install succeeded make sure we remove data 14345 // directories for any child package the update removed. 14346 final int deletedChildCount = (deletedPackage.childPackages != null) 14347 ? deletedPackage.childPackages.size() : 0; 14348 final int newChildCount = (newPackage.childPackages != null) 14349 ? newPackage.childPackages.size() : 0; 14350 for (int i = 0; i < deletedChildCount; i++) { 14351 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14352 boolean childPackageDeleted = true; 14353 for (int j = 0; j < newChildCount; j++) { 14354 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14355 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14356 childPackageDeleted = false; 14357 break; 14358 } 14359 } 14360 if (childPackageDeleted) { 14361 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14362 deletedChildPkg.packageName); 14363 if (ps != null && res.removedInfo.removedChildPackages != null) { 14364 PackageRemovedInfo removedChildRes = res.removedInfo 14365 .removedChildPackages.get(deletedChildPkg.packageName); 14366 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14367 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14368 } 14369 } 14370 } 14371 14372 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14373 prepareAppDataAfterInstallLIF(newPackage); 14374 } 14375 } catch (PackageManagerException e) { 14376 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14377 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14378 } 14379 14380 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14381 // Re installation failed. Restore old information 14382 // Remove new pkg information 14383 if (newPackage != null) { 14384 removeInstalledPackageLI(newPackage, true); 14385 } 14386 // Add back the old system package 14387 try { 14388 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14389 } catch (PackageManagerException e) { 14390 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14391 } 14392 14393 synchronized (mPackages) { 14394 if (disabledSystem) { 14395 enableSystemPackageLPw(deletedPackage); 14396 } 14397 14398 // Ensure the installer package name up to date 14399 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14400 14401 // Update permissions for restored package 14402 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14403 14404 mSettings.writeLPr(); 14405 } 14406 14407 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14408 + " after failed upgrade"); 14409 } 14410 } 14411 14412 /** 14413 * Checks whether the parent or any of the child packages have a change shared 14414 * user. For a package to be a valid update the shred users of the parent and 14415 * the children should match. We may later support changing child shared users. 14416 * @param oldPkg The updated package. 14417 * @param newPkg The update package. 14418 * @return The shared user that change between the versions. 14419 */ 14420 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14421 PackageParser.Package newPkg) { 14422 // Check parent shared user 14423 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14424 return newPkg.packageName; 14425 } 14426 // Check child shared users 14427 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14428 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14429 for (int i = 0; i < newChildCount; i++) { 14430 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14431 // If this child was present, did it have the same shared user? 14432 for (int j = 0; j < oldChildCount; j++) { 14433 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14434 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14435 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14436 return newChildPkg.packageName; 14437 } 14438 } 14439 } 14440 return null; 14441 } 14442 14443 private void removeNativeBinariesLI(PackageSetting ps) { 14444 // Remove the lib path for the parent package 14445 if (ps != null) { 14446 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14447 // Remove the lib path for the child packages 14448 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14449 for (int i = 0; i < childCount; i++) { 14450 PackageSetting childPs = null; 14451 synchronized (mPackages) { 14452 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14453 } 14454 if (childPs != null) { 14455 NativeLibraryHelper.removeNativeBinariesLI(childPs 14456 .legacyNativeLibraryPathString); 14457 } 14458 } 14459 } 14460 } 14461 14462 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14463 // Enable the parent package 14464 mSettings.enableSystemPackageLPw(pkg.packageName); 14465 // Enable the child packages 14466 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14467 for (int i = 0; i < childCount; i++) { 14468 PackageParser.Package childPkg = pkg.childPackages.get(i); 14469 mSettings.enableSystemPackageLPw(childPkg.packageName); 14470 } 14471 } 14472 14473 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14474 PackageParser.Package newPkg) { 14475 // Disable the parent package (parent always replaced) 14476 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14477 // Disable the child packages 14478 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14479 for (int i = 0; i < childCount; i++) { 14480 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14481 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14482 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14483 } 14484 return disabled; 14485 } 14486 14487 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14488 String installerPackageName) { 14489 // Enable the parent package 14490 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14491 // Enable the child packages 14492 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14493 for (int i = 0; i < childCount; i++) { 14494 PackageParser.Package childPkg = pkg.childPackages.get(i); 14495 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14496 } 14497 } 14498 14499 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14500 // Collect all used permissions in the UID 14501 ArraySet<String> usedPermissions = new ArraySet<>(); 14502 final int packageCount = su.packages.size(); 14503 for (int i = 0; i < packageCount; i++) { 14504 PackageSetting ps = su.packages.valueAt(i); 14505 if (ps.pkg == null) { 14506 continue; 14507 } 14508 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14509 for (int j = 0; j < requestedPermCount; j++) { 14510 String permission = ps.pkg.requestedPermissions.get(j); 14511 BasePermission bp = mSettings.mPermissions.get(permission); 14512 if (bp != null) { 14513 usedPermissions.add(permission); 14514 } 14515 } 14516 } 14517 14518 PermissionsState permissionsState = su.getPermissionsState(); 14519 // Prune install permissions 14520 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14521 final int installPermCount = installPermStates.size(); 14522 for (int i = installPermCount - 1; i >= 0; i--) { 14523 PermissionState permissionState = installPermStates.get(i); 14524 if (!usedPermissions.contains(permissionState.getName())) { 14525 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14526 if (bp != null) { 14527 permissionsState.revokeInstallPermission(bp); 14528 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14529 PackageManager.MASK_PERMISSION_FLAGS, 0); 14530 } 14531 } 14532 } 14533 14534 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14535 14536 // Prune runtime permissions 14537 for (int userId : allUserIds) { 14538 List<PermissionState> runtimePermStates = permissionsState 14539 .getRuntimePermissionStates(userId); 14540 final int runtimePermCount = runtimePermStates.size(); 14541 for (int i = runtimePermCount - 1; i >= 0; i--) { 14542 PermissionState permissionState = runtimePermStates.get(i); 14543 if (!usedPermissions.contains(permissionState.getName())) { 14544 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14545 if (bp != null) { 14546 permissionsState.revokeRuntimePermission(bp, userId); 14547 permissionsState.updatePermissionFlags(bp, userId, 14548 PackageManager.MASK_PERMISSION_FLAGS, 0); 14549 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14550 runtimePermissionChangedUserIds, userId); 14551 } 14552 } 14553 } 14554 } 14555 14556 return runtimePermissionChangedUserIds; 14557 } 14558 14559 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14560 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14561 // Update the parent package setting 14562 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14563 res, user); 14564 // Update the child packages setting 14565 final int childCount = (newPackage.childPackages != null) 14566 ? newPackage.childPackages.size() : 0; 14567 for (int i = 0; i < childCount; i++) { 14568 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14569 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14570 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14571 childRes.origUsers, childRes, user); 14572 } 14573 } 14574 14575 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14576 String installerPackageName, int[] allUsers, int[] installedForUsers, 14577 PackageInstalledInfo res, UserHandle user) { 14578 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14579 14580 String pkgName = newPackage.packageName; 14581 synchronized (mPackages) { 14582 //write settings. the installStatus will be incomplete at this stage. 14583 //note that the new package setting would have already been 14584 //added to mPackages. It hasn't been persisted yet. 14585 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14586 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14587 mSettings.writeLPr(); 14588 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14589 } 14590 14591 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14592 synchronized (mPackages) { 14593 updatePermissionsLPw(newPackage.packageName, newPackage, 14594 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14595 ? UPDATE_PERMISSIONS_ALL : 0)); 14596 // For system-bundled packages, we assume that installing an upgraded version 14597 // of the package implies that the user actually wants to run that new code, 14598 // so we enable the package. 14599 PackageSetting ps = mSettings.mPackages.get(pkgName); 14600 final int userId = user.getIdentifier(); 14601 if (ps != null) { 14602 if (isSystemApp(newPackage)) { 14603 if (DEBUG_INSTALL) { 14604 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14605 } 14606 // Enable system package for requested users 14607 if (res.origUsers != null) { 14608 for (int origUserId : res.origUsers) { 14609 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14610 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14611 origUserId, installerPackageName); 14612 } 14613 } 14614 } 14615 // Also convey the prior install/uninstall state 14616 if (allUsers != null && installedForUsers != null) { 14617 for (int currentUserId : allUsers) { 14618 final boolean installed = ArrayUtils.contains( 14619 installedForUsers, currentUserId); 14620 if (DEBUG_INSTALL) { 14621 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14622 } 14623 ps.setInstalled(installed, currentUserId); 14624 } 14625 // these install state changes will be persisted in the 14626 // upcoming call to mSettings.writeLPr(). 14627 } 14628 } 14629 // It's implied that when a user requests installation, they want the app to be 14630 // installed and enabled. 14631 if (userId != UserHandle.USER_ALL) { 14632 ps.setInstalled(true, userId); 14633 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14634 } 14635 } 14636 res.name = pkgName; 14637 res.uid = newPackage.applicationInfo.uid; 14638 res.pkg = newPackage; 14639 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14640 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14641 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14642 //to update install status 14643 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14644 mSettings.writeLPr(); 14645 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14646 } 14647 14648 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14649 } 14650 14651 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14652 try { 14653 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14654 installPackageLI(args, res); 14655 } finally { 14656 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14657 } 14658 } 14659 14660 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14661 final int installFlags = args.installFlags; 14662 final String installerPackageName = args.installerPackageName; 14663 final String volumeUuid = args.volumeUuid; 14664 final File tmpPackageFile = new File(args.getCodePath()); 14665 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14666 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14667 || (args.volumeUuid != null)); 14668 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14669 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14670 boolean replace = false; 14671 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14672 if (args.move != null) { 14673 // moving a complete application; perform an initial scan on the new install location 14674 scanFlags |= SCAN_INITIAL; 14675 } 14676 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14677 scanFlags |= SCAN_DONT_KILL_APP; 14678 } 14679 14680 // Result object to be returned 14681 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14682 14683 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14684 14685 // Sanity check 14686 if (ephemeral && (forwardLocked || onExternal)) { 14687 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14688 + " external=" + onExternal); 14689 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14690 return; 14691 } 14692 14693 // Retrieve PackageSettings and parse package 14694 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14695 | PackageParser.PARSE_ENFORCE_CODE 14696 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14697 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14698 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14699 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14700 PackageParser pp = new PackageParser(); 14701 pp.setSeparateProcesses(mSeparateProcesses); 14702 pp.setDisplayMetrics(mMetrics); 14703 14704 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14705 final PackageParser.Package pkg; 14706 try { 14707 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14708 } catch (PackageParserException e) { 14709 res.setError("Failed parse during installPackageLI", e); 14710 return; 14711 } finally { 14712 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14713 } 14714 14715 // If we are installing a clustered package add results for the children 14716 if (pkg.childPackages != null) { 14717 synchronized (mPackages) { 14718 final int childCount = pkg.childPackages.size(); 14719 for (int i = 0; i < childCount; i++) { 14720 PackageParser.Package childPkg = pkg.childPackages.get(i); 14721 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14722 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14723 childRes.pkg = childPkg; 14724 childRes.name = childPkg.packageName; 14725 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14726 if (childPs != null) { 14727 childRes.origUsers = childPs.queryInstalledUsers( 14728 sUserManager.getUserIds(), true); 14729 } 14730 if ((mPackages.containsKey(childPkg.packageName))) { 14731 childRes.removedInfo = new PackageRemovedInfo(); 14732 childRes.removedInfo.removedPackage = childPkg.packageName; 14733 } 14734 if (res.addedChildPackages == null) { 14735 res.addedChildPackages = new ArrayMap<>(); 14736 } 14737 res.addedChildPackages.put(childPkg.packageName, childRes); 14738 } 14739 } 14740 } 14741 14742 // If package doesn't declare API override, mark that we have an install 14743 // time CPU ABI override. 14744 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14745 pkg.cpuAbiOverride = args.abiOverride; 14746 } 14747 14748 String pkgName = res.name = pkg.packageName; 14749 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14750 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14751 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14752 return; 14753 } 14754 } 14755 14756 try { 14757 // either use what we've been given or parse directly from the APK 14758 if (args.certificates != null) { 14759 try { 14760 PackageParser.populateCertificates(pkg, args.certificates); 14761 } catch (PackageParserException e) { 14762 // there was something wrong with the certificates we were given; 14763 // try to pull them from the APK 14764 PackageParser.collectCertificates(pkg, parseFlags); 14765 } 14766 } else { 14767 PackageParser.collectCertificates(pkg, parseFlags); 14768 } 14769 } catch (PackageParserException e) { 14770 res.setError("Failed collect during installPackageLI", e); 14771 return; 14772 } 14773 14774 // Get rid of all references to package scan path via parser. 14775 pp = null; 14776 String oldCodePath = null; 14777 boolean systemApp = false; 14778 synchronized (mPackages) { 14779 // Check if installing already existing package 14780 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14781 String oldName = mSettings.mRenamedPackages.get(pkgName); 14782 if (pkg.mOriginalPackages != null 14783 && pkg.mOriginalPackages.contains(oldName) 14784 && mPackages.containsKey(oldName)) { 14785 // This package is derived from an original package, 14786 // and this device has been updating from that original 14787 // name. We must continue using the original name, so 14788 // rename the new package here. 14789 pkg.setPackageName(oldName); 14790 pkgName = pkg.packageName; 14791 replace = true; 14792 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14793 + oldName + " pkgName=" + pkgName); 14794 } else if (mPackages.containsKey(pkgName)) { 14795 // This package, under its official name, already exists 14796 // on the device; we should replace it. 14797 replace = true; 14798 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14799 } 14800 14801 // Child packages are installed through the parent package 14802 if (pkg.parentPackage != null) { 14803 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14804 "Package " + pkg.packageName + " is child of package " 14805 + pkg.parentPackage.parentPackage + ". Child packages " 14806 + "can be updated only through the parent package."); 14807 return; 14808 } 14809 14810 if (replace) { 14811 // Prevent apps opting out from runtime permissions 14812 PackageParser.Package oldPackage = mPackages.get(pkgName); 14813 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14814 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14815 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14816 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14817 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14818 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14819 + " doesn't support runtime permissions but the old" 14820 + " target SDK " + oldTargetSdk + " does."); 14821 return; 14822 } 14823 14824 // Prevent installing of child packages 14825 if (oldPackage.parentPackage != null) { 14826 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14827 "Package " + pkg.packageName + " is child of package " 14828 + oldPackage.parentPackage + ". Child packages " 14829 + "can be updated only through the parent package."); 14830 return; 14831 } 14832 } 14833 } 14834 14835 PackageSetting ps = mSettings.mPackages.get(pkgName); 14836 if (ps != null) { 14837 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14838 14839 // Quick sanity check that we're signed correctly if updating; 14840 // we'll check this again later when scanning, but we want to 14841 // bail early here before tripping over redefined permissions. 14842 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14843 if (!checkUpgradeKeySetLP(ps, pkg)) { 14844 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14845 + pkg.packageName + " upgrade keys do not match the " 14846 + "previously installed version"); 14847 return; 14848 } 14849 } else { 14850 try { 14851 verifySignaturesLP(ps, pkg); 14852 } catch (PackageManagerException e) { 14853 res.setError(e.error, e.getMessage()); 14854 return; 14855 } 14856 } 14857 14858 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14859 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14860 systemApp = (ps.pkg.applicationInfo.flags & 14861 ApplicationInfo.FLAG_SYSTEM) != 0; 14862 } 14863 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14864 } 14865 14866 // Check whether the newly-scanned package wants to define an already-defined perm 14867 int N = pkg.permissions.size(); 14868 for (int i = N-1; i >= 0; i--) { 14869 PackageParser.Permission perm = pkg.permissions.get(i); 14870 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14871 if (bp != null) { 14872 // If the defining package is signed with our cert, it's okay. This 14873 // also includes the "updating the same package" case, of course. 14874 // "updating same package" could also involve key-rotation. 14875 final boolean sigsOk; 14876 if (bp.sourcePackage.equals(pkg.packageName) 14877 && (bp.packageSetting instanceof PackageSetting) 14878 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14879 scanFlags))) { 14880 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14881 } else { 14882 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14883 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14884 } 14885 if (!sigsOk) { 14886 // If the owning package is the system itself, we log but allow 14887 // install to proceed; we fail the install on all other permission 14888 // redefinitions. 14889 if (!bp.sourcePackage.equals("android")) { 14890 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14891 + pkg.packageName + " attempting to redeclare permission " 14892 + perm.info.name + " already owned by " + bp.sourcePackage); 14893 res.origPermission = perm.info.name; 14894 res.origPackage = bp.sourcePackage; 14895 return; 14896 } else { 14897 Slog.w(TAG, "Package " + pkg.packageName 14898 + " attempting to redeclare system permission " 14899 + perm.info.name + "; ignoring new declaration"); 14900 pkg.permissions.remove(i); 14901 } 14902 } 14903 } 14904 } 14905 } 14906 14907 if (systemApp) { 14908 if (onExternal) { 14909 // Abort update; system app can't be replaced with app on sdcard 14910 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14911 "Cannot install updates to system apps on sdcard"); 14912 return; 14913 } else if (ephemeral) { 14914 // Abort update; system app can't be replaced with an ephemeral app 14915 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14916 "Cannot update a system app with an ephemeral app"); 14917 return; 14918 } 14919 } 14920 14921 if (args.move != null) { 14922 // We did an in-place move, so dex is ready to roll 14923 scanFlags |= SCAN_NO_DEX; 14924 scanFlags |= SCAN_MOVE; 14925 14926 synchronized (mPackages) { 14927 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14928 if (ps == null) { 14929 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14930 "Missing settings for moved package " + pkgName); 14931 } 14932 14933 // We moved the entire application as-is, so bring over the 14934 // previously derived ABI information. 14935 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14936 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14937 } 14938 14939 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14940 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14941 scanFlags |= SCAN_NO_DEX; 14942 14943 try { 14944 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14945 args.abiOverride : pkg.cpuAbiOverride); 14946 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14947 true /* extract libs */); 14948 } catch (PackageManagerException pme) { 14949 Slog.e(TAG, "Error deriving application ABI", pme); 14950 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14951 return; 14952 } 14953 14954 // Shared libraries for the package need to be updated. 14955 synchronized (mPackages) { 14956 try { 14957 updateSharedLibrariesLPw(pkg, null); 14958 } catch (PackageManagerException e) { 14959 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 14960 } 14961 } 14962 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14963 // Do not run PackageDexOptimizer through the local performDexOpt 14964 // method because `pkg` is not in `mPackages` yet. 14965 int result = mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 14966 null /* instructionSets */, false /* checkProfiles */, 14967 getCompilerFilterForReason(REASON_INSTALL)); 14968 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14969 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14970 String msg = "Extracting package failed for " + pkgName; 14971 res.setError(INSTALL_FAILED_DEXOPT, msg); 14972 return; 14973 } 14974 14975 // Notify BackgroundDexOptService that the package has been changed. 14976 // If this is an update of a package which used to fail to compile, 14977 // BDOS will remove it from its blacklist. 14978 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 14979 } 14980 14981 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14982 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14983 return; 14984 } 14985 14986 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14987 14988 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 14989 "installPackageLI")) { 14990 if (replace) { 14991 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14992 installerPackageName, res); 14993 } else { 14994 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14995 args.user, installerPackageName, volumeUuid, res); 14996 } 14997 } 14998 synchronized (mPackages) { 14999 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15000 if (ps != null) { 15001 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15002 } 15003 15004 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15005 for (int i = 0; i < childCount; i++) { 15006 PackageParser.Package childPkg = pkg.childPackages.get(i); 15007 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15008 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15009 if (childPs != null) { 15010 childRes.newUsers = childPs.queryInstalledUsers( 15011 sUserManager.getUserIds(), true); 15012 } 15013 } 15014 } 15015 } 15016 15017 private void startIntentFilterVerifications(int userId, boolean replacing, 15018 PackageParser.Package pkg) { 15019 if (mIntentFilterVerifierComponent == null) { 15020 Slog.w(TAG, "No IntentFilter verification will not be done as " 15021 + "there is no IntentFilterVerifier available!"); 15022 return; 15023 } 15024 15025 final int verifierUid = getPackageUid( 15026 mIntentFilterVerifierComponent.getPackageName(), 15027 MATCH_DEBUG_TRIAGED_MISSING, 15028 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15029 15030 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15031 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15032 mHandler.sendMessage(msg); 15033 15034 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15035 for (int i = 0; i < childCount; i++) { 15036 PackageParser.Package childPkg = pkg.childPackages.get(i); 15037 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15038 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15039 mHandler.sendMessage(msg); 15040 } 15041 } 15042 15043 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15044 PackageParser.Package pkg) { 15045 int size = pkg.activities.size(); 15046 if (size == 0) { 15047 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15048 "No activity, so no need to verify any IntentFilter!"); 15049 return; 15050 } 15051 15052 final boolean hasDomainURLs = hasDomainURLs(pkg); 15053 if (!hasDomainURLs) { 15054 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15055 "No domain URLs, so no need to verify any IntentFilter!"); 15056 return; 15057 } 15058 15059 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15060 + " if any IntentFilter from the " + size 15061 + " Activities needs verification ..."); 15062 15063 int count = 0; 15064 final String packageName = pkg.packageName; 15065 15066 synchronized (mPackages) { 15067 // If this is a new install and we see that we've already run verification for this 15068 // package, we have nothing to do: it means the state was restored from backup. 15069 if (!replacing) { 15070 IntentFilterVerificationInfo ivi = 15071 mSettings.getIntentFilterVerificationLPr(packageName); 15072 if (ivi != null) { 15073 if (DEBUG_DOMAIN_VERIFICATION) { 15074 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15075 + ivi.getStatusString()); 15076 } 15077 return; 15078 } 15079 } 15080 15081 // If any filters need to be verified, then all need to be. 15082 boolean needToVerify = false; 15083 for (PackageParser.Activity a : pkg.activities) { 15084 for (ActivityIntentInfo filter : a.intents) { 15085 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15086 if (DEBUG_DOMAIN_VERIFICATION) { 15087 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15088 } 15089 needToVerify = true; 15090 break; 15091 } 15092 } 15093 } 15094 15095 if (needToVerify) { 15096 final int verificationId = mIntentFilterVerificationToken++; 15097 for (PackageParser.Activity a : pkg.activities) { 15098 for (ActivityIntentInfo filter : a.intents) { 15099 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15100 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15101 "Verification needed for IntentFilter:" + filter.toString()); 15102 mIntentFilterVerifier.addOneIntentFilterVerification( 15103 verifierUid, userId, verificationId, filter, packageName); 15104 count++; 15105 } 15106 } 15107 } 15108 } 15109 } 15110 15111 if (count > 0) { 15112 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15113 + " IntentFilter verification" + (count > 1 ? "s" : "") 15114 + " for userId:" + userId); 15115 mIntentFilterVerifier.startVerifications(userId); 15116 } else { 15117 if (DEBUG_DOMAIN_VERIFICATION) { 15118 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15119 } 15120 } 15121 } 15122 15123 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15124 final ComponentName cn = filter.activity.getComponentName(); 15125 final String packageName = cn.getPackageName(); 15126 15127 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15128 packageName); 15129 if (ivi == null) { 15130 return true; 15131 } 15132 int status = ivi.getStatus(); 15133 switch (status) { 15134 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15135 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15136 return true; 15137 15138 default: 15139 // Nothing to do 15140 return false; 15141 } 15142 } 15143 15144 private static boolean isMultiArch(ApplicationInfo info) { 15145 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15146 } 15147 15148 private static boolean isExternal(PackageParser.Package pkg) { 15149 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15150 } 15151 15152 private static boolean isExternal(PackageSetting ps) { 15153 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15154 } 15155 15156 private static boolean isEphemeral(PackageParser.Package pkg) { 15157 return pkg.applicationInfo.isEphemeralApp(); 15158 } 15159 15160 private static boolean isEphemeral(PackageSetting ps) { 15161 return ps.pkg != null && isEphemeral(ps.pkg); 15162 } 15163 15164 private static boolean isSystemApp(PackageParser.Package pkg) { 15165 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15166 } 15167 15168 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15169 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15170 } 15171 15172 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15173 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15174 } 15175 15176 private static boolean isSystemApp(PackageSetting ps) { 15177 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15178 } 15179 15180 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15181 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15182 } 15183 15184 private int packageFlagsToInstallFlags(PackageSetting ps) { 15185 int installFlags = 0; 15186 if (isEphemeral(ps)) { 15187 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15188 } 15189 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15190 // This existing package was an external ASEC install when we have 15191 // the external flag without a UUID 15192 installFlags |= PackageManager.INSTALL_EXTERNAL; 15193 } 15194 if (ps.isForwardLocked()) { 15195 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15196 } 15197 return installFlags; 15198 } 15199 15200 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15201 if (isExternal(pkg)) { 15202 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15203 return StorageManager.UUID_PRIMARY_PHYSICAL; 15204 } else { 15205 return pkg.volumeUuid; 15206 } 15207 } else { 15208 return StorageManager.UUID_PRIVATE_INTERNAL; 15209 } 15210 } 15211 15212 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15213 if (isExternal(pkg)) { 15214 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15215 return mSettings.getExternalVersion(); 15216 } else { 15217 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15218 } 15219 } else { 15220 return mSettings.getInternalVersion(); 15221 } 15222 } 15223 15224 private void deleteTempPackageFiles() { 15225 final FilenameFilter filter = new FilenameFilter() { 15226 public boolean accept(File dir, String name) { 15227 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15228 } 15229 }; 15230 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15231 file.delete(); 15232 } 15233 } 15234 15235 @Override 15236 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15237 int flags) { 15238 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15239 flags); 15240 } 15241 15242 @Override 15243 public void deletePackage(final String packageName, 15244 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15245 mContext.enforceCallingOrSelfPermission( 15246 android.Manifest.permission.DELETE_PACKAGES, null); 15247 Preconditions.checkNotNull(packageName); 15248 Preconditions.checkNotNull(observer); 15249 final int uid = Binder.getCallingUid(); 15250 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15251 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15252 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15253 mContext.enforceCallingOrSelfPermission( 15254 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15255 "deletePackage for user " + userId); 15256 } 15257 15258 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15259 try { 15260 observer.onPackageDeleted(packageName, 15261 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15262 } catch (RemoteException re) { 15263 } 15264 return; 15265 } 15266 15267 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15268 try { 15269 observer.onPackageDeleted(packageName, 15270 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15271 } catch (RemoteException re) { 15272 } 15273 return; 15274 } 15275 15276 if (DEBUG_REMOVE) { 15277 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15278 + " deleteAllUsers: " + deleteAllUsers ); 15279 } 15280 // Queue up an async operation since the package deletion may take a little while. 15281 mHandler.post(new Runnable() { 15282 public void run() { 15283 mHandler.removeCallbacks(this); 15284 int returnCode; 15285 if (!deleteAllUsers) { 15286 returnCode = deletePackageX(packageName, userId, deleteFlags); 15287 } else { 15288 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15289 // If nobody is blocking uninstall, proceed with delete for all users 15290 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15291 returnCode = deletePackageX(packageName, userId, deleteFlags); 15292 } else { 15293 // Otherwise uninstall individually for users with blockUninstalls=false 15294 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15295 for (int userId : users) { 15296 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15297 returnCode = deletePackageX(packageName, userId, userFlags); 15298 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15299 Slog.w(TAG, "Package delete failed for user " + userId 15300 + ", returnCode " + returnCode); 15301 } 15302 } 15303 } 15304 // The app has only been marked uninstalled for certain users. 15305 // We still need to report that delete was blocked 15306 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15307 } 15308 } 15309 try { 15310 observer.onPackageDeleted(packageName, returnCode, null); 15311 } catch (RemoteException e) { 15312 Log.i(TAG, "Observer no longer exists."); 15313 } //end catch 15314 } //end run 15315 }); 15316 } 15317 15318 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15319 int[] result = EMPTY_INT_ARRAY; 15320 for (int userId : userIds) { 15321 if (getBlockUninstallForUser(packageName, userId)) { 15322 result = ArrayUtils.appendInt(result, userId); 15323 } 15324 } 15325 return result; 15326 } 15327 15328 @Override 15329 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15330 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15331 } 15332 15333 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15334 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15335 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15336 try { 15337 if (dpm != null) { 15338 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15339 /* callingUserOnly =*/ false); 15340 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15341 : deviceOwnerComponentName.getPackageName(); 15342 // Does the package contains the device owner? 15343 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15344 // this check is probably not needed, since DO should be registered as a device 15345 // admin on some user too. (Original bug for this: b/17657954) 15346 if (packageName.equals(deviceOwnerPackageName)) { 15347 return true; 15348 } 15349 // Does it contain a device admin for any user? 15350 int[] users; 15351 if (userId == UserHandle.USER_ALL) { 15352 users = sUserManager.getUserIds(); 15353 } else { 15354 users = new int[]{userId}; 15355 } 15356 for (int i = 0; i < users.length; ++i) { 15357 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15358 return true; 15359 } 15360 } 15361 } 15362 } catch (RemoteException e) { 15363 } 15364 return false; 15365 } 15366 15367 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15368 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15369 } 15370 15371 /** 15372 * This method is an internal method that could be get invoked either 15373 * to delete an installed package or to clean up a failed installation. 15374 * After deleting an installed package, a broadcast is sent to notify any 15375 * listeners that the package has been removed. For cleaning up a failed 15376 * installation, the broadcast is not necessary since the package's 15377 * installation wouldn't have sent the initial broadcast either 15378 * The key steps in deleting a package are 15379 * deleting the package information in internal structures like mPackages, 15380 * deleting the packages base directories through installd 15381 * updating mSettings to reflect current status 15382 * persisting settings for later use 15383 * sending a broadcast if necessary 15384 */ 15385 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15386 final PackageRemovedInfo info = new PackageRemovedInfo(); 15387 final boolean res; 15388 15389 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15390 ? UserHandle.ALL : new UserHandle(userId); 15391 15392 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15393 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15394 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15395 } 15396 15397 PackageSetting uninstalledPs = null; 15398 15399 // for the uninstall-updates case and restricted profiles, remember the per- 15400 // user handle installed state 15401 int[] allUsers; 15402 synchronized (mPackages) { 15403 uninstalledPs = mSettings.mPackages.get(packageName); 15404 if (uninstalledPs == null) { 15405 Slog.w(TAG, "Not removing non-existent package " + packageName); 15406 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15407 } 15408 allUsers = sUserManager.getUserIds(); 15409 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15410 } 15411 15412 synchronized (mInstallLock) { 15413 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15414 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15415 "deletePackageX")) { 15416 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15417 deleteFlags | REMOVE_CHATTY, info, true, null); 15418 } 15419 synchronized (mPackages) { 15420 if (res) { 15421 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15422 } 15423 } 15424 } 15425 15426 if (res) { 15427 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15428 info.sendPackageRemovedBroadcasts(killApp); 15429 info.sendSystemPackageUpdatedBroadcasts(); 15430 info.sendSystemPackageAppearedBroadcasts(); 15431 } 15432 // Force a gc here. 15433 Runtime.getRuntime().gc(); 15434 // Delete the resources here after sending the broadcast to let 15435 // other processes clean up before deleting resources. 15436 if (info.args != null) { 15437 synchronized (mInstallLock) { 15438 info.args.doPostDeleteLI(true); 15439 } 15440 } 15441 15442 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15443 } 15444 15445 class PackageRemovedInfo { 15446 String removedPackage; 15447 int uid = -1; 15448 int removedAppId = -1; 15449 int[] origUsers; 15450 int[] removedUsers = null; 15451 boolean isRemovedPackageSystemUpdate = false; 15452 boolean isUpdate; 15453 boolean dataRemoved; 15454 boolean removedForAllUsers; 15455 // Clean up resources deleted packages. 15456 InstallArgs args = null; 15457 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15458 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15459 15460 void sendPackageRemovedBroadcasts(boolean killApp) { 15461 sendPackageRemovedBroadcastInternal(killApp); 15462 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15463 for (int i = 0; i < childCount; i++) { 15464 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15465 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15466 } 15467 } 15468 15469 void sendSystemPackageUpdatedBroadcasts() { 15470 if (isRemovedPackageSystemUpdate) { 15471 sendSystemPackageUpdatedBroadcastsInternal(); 15472 final int childCount = (removedChildPackages != null) 15473 ? removedChildPackages.size() : 0; 15474 for (int i = 0; i < childCount; i++) { 15475 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15476 if (childInfo.isRemovedPackageSystemUpdate) { 15477 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15478 } 15479 } 15480 } 15481 } 15482 15483 void sendSystemPackageAppearedBroadcasts() { 15484 final int packageCount = (appearedChildPackages != null) 15485 ? appearedChildPackages.size() : 0; 15486 for (int i = 0; i < packageCount; i++) { 15487 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15488 for (int userId : installedInfo.newUsers) { 15489 sendPackageAddedForUser(installedInfo.name, true, 15490 UserHandle.getAppId(installedInfo.uid), userId); 15491 } 15492 } 15493 } 15494 15495 private void sendSystemPackageUpdatedBroadcastsInternal() { 15496 Bundle extras = new Bundle(2); 15497 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15498 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15499 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15500 extras, 0, null, null, null); 15501 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15502 extras, 0, null, null, null); 15503 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15504 null, 0, removedPackage, null, null); 15505 } 15506 15507 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15508 Bundle extras = new Bundle(2); 15509 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15510 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15511 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15512 if (isUpdate || isRemovedPackageSystemUpdate) { 15513 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15514 } 15515 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15516 if (removedPackage != null) { 15517 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15518 extras, 0, null, null, removedUsers); 15519 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15520 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15521 removedPackage, extras, 0, null, null, removedUsers); 15522 } 15523 } 15524 if (removedAppId >= 0) { 15525 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15526 removedUsers); 15527 } 15528 } 15529 } 15530 15531 /* 15532 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15533 * flag is not set, the data directory is removed as well. 15534 * make sure this flag is set for partially installed apps. If not its meaningless to 15535 * delete a partially installed application. 15536 */ 15537 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15538 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15539 String packageName = ps.name; 15540 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15541 // Retrieve object to delete permissions for shared user later on 15542 final PackageParser.Package deletedPkg; 15543 final PackageSetting deletedPs; 15544 // reader 15545 synchronized (mPackages) { 15546 deletedPkg = mPackages.get(packageName); 15547 deletedPs = mSettings.mPackages.get(packageName); 15548 if (outInfo != null) { 15549 outInfo.removedPackage = packageName; 15550 outInfo.removedUsers = deletedPs != null 15551 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15552 : null; 15553 } 15554 } 15555 15556 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15557 15558 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15559 final PackageParser.Package resolvedPkg; 15560 if (deletedPkg != null) { 15561 resolvedPkg = deletedPkg; 15562 } else { 15563 // We don't have a parsed package when it lives on an ejected 15564 // adopted storage device, so fake something together 15565 resolvedPkg = new PackageParser.Package(ps.name); 15566 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15567 } 15568 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15569 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15570 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15571 if (outInfo != null) { 15572 outInfo.dataRemoved = true; 15573 } 15574 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15575 } 15576 15577 // writer 15578 synchronized (mPackages) { 15579 if (deletedPs != null) { 15580 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15581 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15582 clearDefaultBrowserIfNeeded(packageName); 15583 if (outInfo != null) { 15584 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15585 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15586 } 15587 updatePermissionsLPw(deletedPs.name, null, 0); 15588 if (deletedPs.sharedUser != null) { 15589 // Remove permissions associated with package. Since runtime 15590 // permissions are per user we have to kill the removed package 15591 // or packages running under the shared user of the removed 15592 // package if revoking the permissions requested only by the removed 15593 // package is successful and this causes a change in gids. 15594 for (int userId : UserManagerService.getInstance().getUserIds()) { 15595 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15596 userId); 15597 if (userIdToKill == UserHandle.USER_ALL 15598 || userIdToKill >= UserHandle.USER_SYSTEM) { 15599 // If gids changed for this user, kill all affected packages. 15600 mHandler.post(new Runnable() { 15601 @Override 15602 public void run() { 15603 // This has to happen with no lock held. 15604 killApplication(deletedPs.name, deletedPs.appId, 15605 KILL_APP_REASON_GIDS_CHANGED); 15606 } 15607 }); 15608 break; 15609 } 15610 } 15611 } 15612 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15613 } 15614 // make sure to preserve per-user disabled state if this removal was just 15615 // a downgrade of a system app to the factory package 15616 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15617 if (DEBUG_REMOVE) { 15618 Slog.d(TAG, "Propagating install state across downgrade"); 15619 } 15620 for (int userId : allUserHandles) { 15621 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15622 if (DEBUG_REMOVE) { 15623 Slog.d(TAG, " user " + userId + " => " + installed); 15624 } 15625 ps.setInstalled(installed, userId); 15626 } 15627 } 15628 } 15629 // can downgrade to reader 15630 if (writeSettings) { 15631 // Save settings now 15632 mSettings.writeLPr(); 15633 } 15634 } 15635 if (outInfo != null) { 15636 // A user ID was deleted here. Go through all users and remove it 15637 // from KeyStore. 15638 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15639 } 15640 } 15641 15642 static boolean locationIsPrivileged(File path) { 15643 try { 15644 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15645 .getCanonicalPath(); 15646 return path.getCanonicalPath().startsWith(privilegedAppDir); 15647 } catch (IOException e) { 15648 Slog.e(TAG, "Unable to access code path " + path); 15649 } 15650 return false; 15651 } 15652 15653 /* 15654 * Tries to delete system package. 15655 */ 15656 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15657 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15658 boolean writeSettings) { 15659 if (deletedPs.parentPackageName != null) { 15660 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15661 return false; 15662 } 15663 15664 final boolean applyUserRestrictions 15665 = (allUserHandles != null) && (outInfo.origUsers != null); 15666 final PackageSetting disabledPs; 15667 // Confirm if the system package has been updated 15668 // An updated system app can be deleted. This will also have to restore 15669 // the system pkg from system partition 15670 // reader 15671 synchronized (mPackages) { 15672 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15673 } 15674 15675 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15676 + " disabledPs=" + disabledPs); 15677 15678 if (disabledPs == null) { 15679 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15680 return false; 15681 } else if (DEBUG_REMOVE) { 15682 Slog.d(TAG, "Deleting system pkg from data partition"); 15683 } 15684 15685 if (DEBUG_REMOVE) { 15686 if (applyUserRestrictions) { 15687 Slog.d(TAG, "Remembering install states:"); 15688 for (int userId : allUserHandles) { 15689 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15690 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15691 } 15692 } 15693 } 15694 15695 // Delete the updated package 15696 outInfo.isRemovedPackageSystemUpdate = true; 15697 if (outInfo.removedChildPackages != null) { 15698 final int childCount = (deletedPs.childPackageNames != null) 15699 ? deletedPs.childPackageNames.size() : 0; 15700 for (int i = 0; i < childCount; i++) { 15701 String childPackageName = deletedPs.childPackageNames.get(i); 15702 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15703 .contains(childPackageName)) { 15704 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15705 childPackageName); 15706 if (childInfo != null) { 15707 childInfo.isRemovedPackageSystemUpdate = true; 15708 } 15709 } 15710 } 15711 } 15712 15713 if (disabledPs.versionCode < deletedPs.versionCode) { 15714 // Delete data for downgrades 15715 flags &= ~PackageManager.DELETE_KEEP_DATA; 15716 } else { 15717 // Preserve data by setting flag 15718 flags |= PackageManager.DELETE_KEEP_DATA; 15719 } 15720 15721 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15722 outInfo, writeSettings, disabledPs.pkg); 15723 if (!ret) { 15724 return false; 15725 } 15726 15727 // writer 15728 synchronized (mPackages) { 15729 // Reinstate the old system package 15730 enableSystemPackageLPw(disabledPs.pkg); 15731 // Remove any native libraries from the upgraded package. 15732 removeNativeBinariesLI(deletedPs); 15733 } 15734 15735 // Install the system package 15736 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15737 int parseFlags = mDefParseFlags 15738 | PackageParser.PARSE_MUST_BE_APK 15739 | PackageParser.PARSE_IS_SYSTEM 15740 | PackageParser.PARSE_IS_SYSTEM_DIR; 15741 if (locationIsPrivileged(disabledPs.codePath)) { 15742 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15743 } 15744 15745 final PackageParser.Package newPkg; 15746 try { 15747 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15748 } catch (PackageManagerException e) { 15749 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15750 + e.getMessage()); 15751 return false; 15752 } 15753 15754 prepareAppDataAfterInstallLIF(newPkg); 15755 15756 // writer 15757 synchronized (mPackages) { 15758 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15759 15760 // Propagate the permissions state as we do not want to drop on the floor 15761 // runtime permissions. The update permissions method below will take 15762 // care of removing obsolete permissions and grant install permissions. 15763 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15764 updatePermissionsLPw(newPkg.packageName, newPkg, 15765 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15766 15767 if (applyUserRestrictions) { 15768 if (DEBUG_REMOVE) { 15769 Slog.d(TAG, "Propagating install state across reinstall"); 15770 } 15771 for (int userId : allUserHandles) { 15772 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15773 if (DEBUG_REMOVE) { 15774 Slog.d(TAG, " user " + userId + " => " + installed); 15775 } 15776 ps.setInstalled(installed, userId); 15777 15778 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15779 } 15780 // Regardless of writeSettings we need to ensure that this restriction 15781 // state propagation is persisted 15782 mSettings.writeAllUsersPackageRestrictionsLPr(); 15783 } 15784 // can downgrade to reader here 15785 if (writeSettings) { 15786 mSettings.writeLPr(); 15787 } 15788 } 15789 return true; 15790 } 15791 15792 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15793 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15794 PackageRemovedInfo outInfo, boolean writeSettings, 15795 PackageParser.Package replacingPackage) { 15796 synchronized (mPackages) { 15797 if (outInfo != null) { 15798 outInfo.uid = ps.appId; 15799 } 15800 15801 if (outInfo != null && outInfo.removedChildPackages != null) { 15802 final int childCount = (ps.childPackageNames != null) 15803 ? ps.childPackageNames.size() : 0; 15804 for (int i = 0; i < childCount; i++) { 15805 String childPackageName = ps.childPackageNames.get(i); 15806 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15807 if (childPs == null) { 15808 return false; 15809 } 15810 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15811 childPackageName); 15812 if (childInfo != null) { 15813 childInfo.uid = childPs.appId; 15814 } 15815 } 15816 } 15817 } 15818 15819 // Delete package data from internal structures and also remove data if flag is set 15820 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15821 15822 // Delete the child packages data 15823 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15824 for (int i = 0; i < childCount; i++) { 15825 PackageSetting childPs; 15826 synchronized (mPackages) { 15827 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15828 } 15829 if (childPs != null) { 15830 PackageRemovedInfo childOutInfo = (outInfo != null 15831 && outInfo.removedChildPackages != null) 15832 ? outInfo.removedChildPackages.get(childPs.name) : null; 15833 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15834 && (replacingPackage != null 15835 && !replacingPackage.hasChildPackage(childPs.name)) 15836 ? flags & ~DELETE_KEEP_DATA : flags; 15837 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15838 deleteFlags, writeSettings); 15839 } 15840 } 15841 15842 // Delete application code and resources only for parent packages 15843 if (ps.parentPackageName == null) { 15844 if (deleteCodeAndResources && (outInfo != null)) { 15845 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15846 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15847 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15848 } 15849 } 15850 15851 return true; 15852 } 15853 15854 @Override 15855 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15856 int userId) { 15857 mContext.enforceCallingOrSelfPermission( 15858 android.Manifest.permission.DELETE_PACKAGES, null); 15859 synchronized (mPackages) { 15860 PackageSetting ps = mSettings.mPackages.get(packageName); 15861 if (ps == null) { 15862 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15863 return false; 15864 } 15865 if (!ps.getInstalled(userId)) { 15866 // Can't block uninstall for an app that is not installed or enabled. 15867 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15868 return false; 15869 } 15870 ps.setBlockUninstall(blockUninstall, userId); 15871 mSettings.writePackageRestrictionsLPr(userId); 15872 } 15873 return true; 15874 } 15875 15876 @Override 15877 public boolean getBlockUninstallForUser(String packageName, int userId) { 15878 synchronized (mPackages) { 15879 PackageSetting ps = mSettings.mPackages.get(packageName); 15880 if (ps == null) { 15881 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15882 return false; 15883 } 15884 return ps.getBlockUninstall(userId); 15885 } 15886 } 15887 15888 @Override 15889 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15890 int callingUid = Binder.getCallingUid(); 15891 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15892 throw new SecurityException( 15893 "setRequiredForSystemUser can only be run by the system or root"); 15894 } 15895 synchronized (mPackages) { 15896 PackageSetting ps = mSettings.mPackages.get(packageName); 15897 if (ps == null) { 15898 Log.w(TAG, "Package doesn't exist: " + packageName); 15899 return false; 15900 } 15901 if (systemUserApp) { 15902 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15903 } else { 15904 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15905 } 15906 mSettings.writeLPr(); 15907 } 15908 return true; 15909 } 15910 15911 /* 15912 * This method handles package deletion in general 15913 */ 15914 private boolean deletePackageLIF(String packageName, UserHandle user, 15915 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15916 PackageRemovedInfo outInfo, boolean writeSettings, 15917 PackageParser.Package replacingPackage) { 15918 if (packageName == null) { 15919 Slog.w(TAG, "Attempt to delete null packageName."); 15920 return false; 15921 } 15922 15923 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15924 15925 PackageSetting ps; 15926 15927 synchronized (mPackages) { 15928 ps = mSettings.mPackages.get(packageName); 15929 if (ps == null) { 15930 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15931 return false; 15932 } 15933 15934 if (ps.parentPackageName != null && (!isSystemApp(ps) 15935 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15936 if (DEBUG_REMOVE) { 15937 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15938 + ((user == null) ? UserHandle.USER_ALL : user)); 15939 } 15940 final int removedUserId = (user != null) ? user.getIdentifier() 15941 : UserHandle.USER_ALL; 15942 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15943 return false; 15944 } 15945 markPackageUninstalledForUserLPw(ps, user); 15946 scheduleWritePackageRestrictionsLocked(user); 15947 return true; 15948 } 15949 } 15950 15951 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15952 && user.getIdentifier() != UserHandle.USER_ALL)) { 15953 // The caller is asking that the package only be deleted for a single 15954 // user. To do this, we just mark its uninstalled state and delete 15955 // its data. If this is a system app, we only allow this to happen if 15956 // they have set the special DELETE_SYSTEM_APP which requests different 15957 // semantics than normal for uninstalling system apps. 15958 markPackageUninstalledForUserLPw(ps, user); 15959 15960 if (!isSystemApp(ps)) { 15961 // Do not uninstall the APK if an app should be cached 15962 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15963 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15964 // Other user still have this package installed, so all 15965 // we need to do is clear this user's data and save that 15966 // it is uninstalled. 15967 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15968 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15969 return false; 15970 } 15971 scheduleWritePackageRestrictionsLocked(user); 15972 return true; 15973 } else { 15974 // We need to set it back to 'installed' so the uninstall 15975 // broadcasts will be sent correctly. 15976 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15977 ps.setInstalled(true, user.getIdentifier()); 15978 } 15979 } else { 15980 // This is a system app, so we assume that the 15981 // other users still have this package installed, so all 15982 // we need to do is clear this user's data and save that 15983 // it is uninstalled. 15984 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15985 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15986 return false; 15987 } 15988 scheduleWritePackageRestrictionsLocked(user); 15989 return true; 15990 } 15991 } 15992 15993 // If we are deleting a composite package for all users, keep track 15994 // of result for each child. 15995 if (ps.childPackageNames != null && outInfo != null) { 15996 synchronized (mPackages) { 15997 final int childCount = ps.childPackageNames.size(); 15998 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15999 for (int i = 0; i < childCount; i++) { 16000 String childPackageName = ps.childPackageNames.get(i); 16001 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16002 childInfo.removedPackage = childPackageName; 16003 outInfo.removedChildPackages.put(childPackageName, childInfo); 16004 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16005 if (childPs != null) { 16006 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16007 } 16008 } 16009 } 16010 } 16011 16012 boolean ret = false; 16013 if (isSystemApp(ps)) { 16014 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16015 // When an updated system application is deleted we delete the existing resources 16016 // as well and fall back to existing code in system partition 16017 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16018 } else { 16019 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16020 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16021 outInfo, writeSettings, replacingPackage); 16022 } 16023 16024 // Take a note whether we deleted the package for all users 16025 if (outInfo != null) { 16026 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16027 if (outInfo.removedChildPackages != null) { 16028 synchronized (mPackages) { 16029 final int childCount = outInfo.removedChildPackages.size(); 16030 for (int i = 0; i < childCount; i++) { 16031 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16032 if (childInfo != null) { 16033 childInfo.removedForAllUsers = mPackages.get( 16034 childInfo.removedPackage) == null; 16035 } 16036 } 16037 } 16038 } 16039 // If we uninstalled an update to a system app there may be some 16040 // child packages that appeared as they are declared in the system 16041 // app but were not declared in the update. 16042 if (isSystemApp(ps)) { 16043 synchronized (mPackages) { 16044 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16045 final int childCount = (updatedPs.childPackageNames != null) 16046 ? updatedPs.childPackageNames.size() : 0; 16047 for (int i = 0; i < childCount; i++) { 16048 String childPackageName = updatedPs.childPackageNames.get(i); 16049 if (outInfo.removedChildPackages == null 16050 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16051 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16052 if (childPs == null) { 16053 continue; 16054 } 16055 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16056 installRes.name = childPackageName; 16057 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16058 installRes.pkg = mPackages.get(childPackageName); 16059 installRes.uid = childPs.pkg.applicationInfo.uid; 16060 if (outInfo.appearedChildPackages == null) { 16061 outInfo.appearedChildPackages = new ArrayMap<>(); 16062 } 16063 outInfo.appearedChildPackages.put(childPackageName, installRes); 16064 } 16065 } 16066 } 16067 } 16068 } 16069 16070 return ret; 16071 } 16072 16073 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16074 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16075 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16076 for (int nextUserId : userIds) { 16077 if (DEBUG_REMOVE) { 16078 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16079 } 16080 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16081 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16082 false /*hidden*/, false /*suspended*/, null, null, null, 16083 false /*blockUninstall*/, 16084 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16085 } 16086 } 16087 16088 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16089 PackageRemovedInfo outInfo) { 16090 final PackageParser.Package pkg; 16091 synchronized (mPackages) { 16092 pkg = mPackages.get(ps.name); 16093 } 16094 16095 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16096 : new int[] {userId}; 16097 for (int nextUserId : userIds) { 16098 if (DEBUG_REMOVE) { 16099 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16100 + nextUserId); 16101 } 16102 16103 destroyAppDataLIF(pkg, userId, 16104 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16105 destroyAppProfilesLIF(pkg, userId); 16106 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16107 schedulePackageCleaning(ps.name, nextUserId, false); 16108 synchronized (mPackages) { 16109 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16110 scheduleWritePackageRestrictionsLocked(nextUserId); 16111 } 16112 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16113 } 16114 } 16115 16116 if (outInfo != null) { 16117 outInfo.removedPackage = ps.name; 16118 outInfo.removedAppId = ps.appId; 16119 outInfo.removedUsers = userIds; 16120 } 16121 16122 return true; 16123 } 16124 16125 private final class ClearStorageConnection implements ServiceConnection { 16126 IMediaContainerService mContainerService; 16127 16128 @Override 16129 public void onServiceConnected(ComponentName name, IBinder service) { 16130 synchronized (this) { 16131 mContainerService = IMediaContainerService.Stub.asInterface(service); 16132 notifyAll(); 16133 } 16134 } 16135 16136 @Override 16137 public void onServiceDisconnected(ComponentName name) { 16138 } 16139 } 16140 16141 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16142 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16143 16144 final boolean mounted; 16145 if (Environment.isExternalStorageEmulated()) { 16146 mounted = true; 16147 } else { 16148 final String status = Environment.getExternalStorageState(); 16149 16150 mounted = status.equals(Environment.MEDIA_MOUNTED) 16151 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16152 } 16153 16154 if (!mounted) { 16155 return; 16156 } 16157 16158 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16159 int[] users; 16160 if (userId == UserHandle.USER_ALL) { 16161 users = sUserManager.getUserIds(); 16162 } else { 16163 users = new int[] { userId }; 16164 } 16165 final ClearStorageConnection conn = new ClearStorageConnection(); 16166 if (mContext.bindServiceAsUser( 16167 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16168 try { 16169 for (int curUser : users) { 16170 long timeout = SystemClock.uptimeMillis() + 5000; 16171 synchronized (conn) { 16172 long now = SystemClock.uptimeMillis(); 16173 while (conn.mContainerService == null && now < timeout) { 16174 try { 16175 conn.wait(timeout - now); 16176 } catch (InterruptedException e) { 16177 } 16178 } 16179 } 16180 if (conn.mContainerService == null) { 16181 return; 16182 } 16183 16184 final UserEnvironment userEnv = new UserEnvironment(curUser); 16185 clearDirectory(conn.mContainerService, 16186 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16187 if (allData) { 16188 clearDirectory(conn.mContainerService, 16189 userEnv.buildExternalStorageAppDataDirs(packageName)); 16190 clearDirectory(conn.mContainerService, 16191 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16192 } 16193 } 16194 } finally { 16195 mContext.unbindService(conn); 16196 } 16197 } 16198 } 16199 16200 @Override 16201 public void clearApplicationProfileData(String packageName) { 16202 enforceSystemOrRoot("Only the system can clear all profile data"); 16203 16204 final PackageParser.Package pkg; 16205 synchronized (mPackages) { 16206 pkg = mPackages.get(packageName); 16207 } 16208 16209 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16210 synchronized (mInstallLock) { 16211 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16212 } 16213 } 16214 } 16215 16216 @Override 16217 public void clearApplicationUserData(final String packageName, 16218 final IPackageDataObserver observer, final int userId) { 16219 mContext.enforceCallingOrSelfPermission( 16220 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16221 16222 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16223 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16224 16225 final DevicePolicyManagerInternal dpmi = LocalServices 16226 .getService(DevicePolicyManagerInternal.class); 16227 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 16228 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 16229 } 16230 // Queue up an async operation since the package deletion may take a little while. 16231 mHandler.post(new Runnable() { 16232 public void run() { 16233 mHandler.removeCallbacks(this); 16234 final boolean succeeded; 16235 try (PackageFreezer freezer = freezePackage(packageName, 16236 "clearApplicationUserData")) { 16237 synchronized (mInstallLock) { 16238 succeeded = clearApplicationUserDataLIF(packageName, userId); 16239 } 16240 clearExternalStorageDataSync(packageName, userId, true); 16241 } 16242 if (succeeded) { 16243 // invoke DeviceStorageMonitor's update method to clear any notifications 16244 DeviceStorageMonitorInternal dsm = LocalServices 16245 .getService(DeviceStorageMonitorInternal.class); 16246 if (dsm != null) { 16247 dsm.checkMemory(); 16248 } 16249 } 16250 if(observer != null) { 16251 try { 16252 observer.onRemoveCompleted(packageName, succeeded); 16253 } catch (RemoteException e) { 16254 Log.i(TAG, "Observer no longer exists."); 16255 } 16256 } //end if observer 16257 } //end run 16258 }); 16259 } 16260 16261 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16262 if (packageName == null) { 16263 Slog.w(TAG, "Attempt to delete null packageName."); 16264 return false; 16265 } 16266 16267 // Try finding details about the requested package 16268 PackageParser.Package pkg; 16269 synchronized (mPackages) { 16270 pkg = mPackages.get(packageName); 16271 if (pkg == null) { 16272 final PackageSetting ps = mSettings.mPackages.get(packageName); 16273 if (ps != null) { 16274 pkg = ps.pkg; 16275 } 16276 } 16277 16278 if (pkg == null) { 16279 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16280 return false; 16281 } 16282 16283 PackageSetting ps = (PackageSetting) pkg.mExtras; 16284 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16285 } 16286 16287 clearAppDataLIF(pkg, userId, 16288 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16289 16290 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16291 removeKeystoreDataIfNeeded(userId, appId); 16292 16293 UserManagerInternal umInternal = getUserManagerInternal(); 16294 final int flags; 16295 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16296 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16297 } else if (umInternal.isUserRunning(userId)) { 16298 flags = StorageManager.FLAG_STORAGE_DE; 16299 } else { 16300 flags = 0; 16301 } 16302 prepareAppDataContentsLIF(pkg, userId, flags); 16303 16304 return true; 16305 } 16306 16307 /** 16308 * Reverts user permission state changes (permissions and flags) in 16309 * all packages for a given user. 16310 * 16311 * @param userId The device user for which to do a reset. 16312 */ 16313 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16314 final int packageCount = mPackages.size(); 16315 for (int i = 0; i < packageCount; i++) { 16316 PackageParser.Package pkg = mPackages.valueAt(i); 16317 PackageSetting ps = (PackageSetting) pkg.mExtras; 16318 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16319 } 16320 } 16321 16322 private void resetNetworkPolicies(int userId) { 16323 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16324 } 16325 16326 /** 16327 * Reverts user permission state changes (permissions and flags). 16328 * 16329 * @param ps The package for which to reset. 16330 * @param userId The device user for which to do a reset. 16331 */ 16332 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16333 final PackageSetting ps, final int userId) { 16334 if (ps.pkg == null) { 16335 return; 16336 } 16337 16338 // These are flags that can change base on user actions. 16339 final int userSettableMask = FLAG_PERMISSION_USER_SET 16340 | FLAG_PERMISSION_USER_FIXED 16341 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16342 | FLAG_PERMISSION_REVIEW_REQUIRED; 16343 16344 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16345 | FLAG_PERMISSION_POLICY_FIXED; 16346 16347 boolean writeInstallPermissions = false; 16348 boolean writeRuntimePermissions = false; 16349 16350 final int permissionCount = ps.pkg.requestedPermissions.size(); 16351 for (int i = 0; i < permissionCount; i++) { 16352 String permission = ps.pkg.requestedPermissions.get(i); 16353 16354 BasePermission bp = mSettings.mPermissions.get(permission); 16355 if (bp == null) { 16356 continue; 16357 } 16358 16359 // If shared user we just reset the state to which only this app contributed. 16360 if (ps.sharedUser != null) { 16361 boolean used = false; 16362 final int packageCount = ps.sharedUser.packages.size(); 16363 for (int j = 0; j < packageCount; j++) { 16364 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16365 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16366 && pkg.pkg.requestedPermissions.contains(permission)) { 16367 used = true; 16368 break; 16369 } 16370 } 16371 if (used) { 16372 continue; 16373 } 16374 } 16375 16376 PermissionsState permissionsState = ps.getPermissionsState(); 16377 16378 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16379 16380 // Always clear the user settable flags. 16381 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16382 bp.name) != null; 16383 // If permission review is enabled and this is a legacy app, mark the 16384 // permission as requiring a review as this is the initial state. 16385 int flags = 0; 16386 if (Build.PERMISSIONS_REVIEW_REQUIRED 16387 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16388 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16389 } 16390 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16391 if (hasInstallState) { 16392 writeInstallPermissions = true; 16393 } else { 16394 writeRuntimePermissions = true; 16395 } 16396 } 16397 16398 // Below is only runtime permission handling. 16399 if (!bp.isRuntime()) { 16400 continue; 16401 } 16402 16403 // Never clobber system or policy. 16404 if ((oldFlags & policyOrSystemFlags) != 0) { 16405 continue; 16406 } 16407 16408 // If this permission was granted by default, make sure it is. 16409 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16410 if (permissionsState.grantRuntimePermission(bp, userId) 16411 != PERMISSION_OPERATION_FAILURE) { 16412 writeRuntimePermissions = true; 16413 } 16414 // If permission review is enabled the permissions for a legacy apps 16415 // are represented as constantly granted runtime ones, so don't revoke. 16416 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16417 // Otherwise, reset the permission. 16418 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16419 switch (revokeResult) { 16420 case PERMISSION_OPERATION_SUCCESS: 16421 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16422 writeRuntimePermissions = true; 16423 final int appId = ps.appId; 16424 mHandler.post(new Runnable() { 16425 @Override 16426 public void run() { 16427 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16428 } 16429 }); 16430 } break; 16431 } 16432 } 16433 } 16434 16435 // Synchronously write as we are taking permissions away. 16436 if (writeRuntimePermissions) { 16437 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16438 } 16439 16440 // Synchronously write as we are taking permissions away. 16441 if (writeInstallPermissions) { 16442 mSettings.writeLPr(); 16443 } 16444 } 16445 16446 /** 16447 * Remove entries from the keystore daemon. Will only remove it if the 16448 * {@code appId} is valid. 16449 */ 16450 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16451 if (appId < 0) { 16452 return; 16453 } 16454 16455 final KeyStore keyStore = KeyStore.getInstance(); 16456 if (keyStore != null) { 16457 if (userId == UserHandle.USER_ALL) { 16458 for (final int individual : sUserManager.getUserIds()) { 16459 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16460 } 16461 } else { 16462 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16463 } 16464 } else { 16465 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16466 } 16467 } 16468 16469 @Override 16470 public void deleteApplicationCacheFiles(final String packageName, 16471 final IPackageDataObserver observer) { 16472 final int userId = UserHandle.getCallingUserId(); 16473 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16474 } 16475 16476 @Override 16477 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16478 final IPackageDataObserver observer) { 16479 mContext.enforceCallingOrSelfPermission( 16480 android.Manifest.permission.DELETE_CACHE_FILES, null); 16481 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16482 /* requireFullPermission= */ true, /* checkShell= */ false, 16483 "delete application cache files"); 16484 16485 final PackageParser.Package pkg; 16486 synchronized (mPackages) { 16487 pkg = mPackages.get(packageName); 16488 } 16489 16490 // Queue up an async operation since the package deletion may take a little while. 16491 mHandler.post(new Runnable() { 16492 public void run() { 16493 synchronized (mInstallLock) { 16494 final int flags = StorageManager.FLAG_STORAGE_DE 16495 | StorageManager.FLAG_STORAGE_CE; 16496 // We're only clearing cache files, so we don't care if the 16497 // app is unfrozen and still able to run 16498 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16499 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16500 } 16501 clearExternalStorageDataSync(packageName, userId, false); 16502 if (observer != null) { 16503 try { 16504 observer.onRemoveCompleted(packageName, true); 16505 } catch (RemoteException e) { 16506 Log.i(TAG, "Observer no longer exists."); 16507 } 16508 } 16509 } 16510 }); 16511 } 16512 16513 @Override 16514 public void getPackageSizeInfo(final String packageName, int userHandle, 16515 final IPackageStatsObserver observer) { 16516 mContext.enforceCallingOrSelfPermission( 16517 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16518 if (packageName == null) { 16519 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16520 } 16521 16522 PackageStats stats = new PackageStats(packageName, userHandle); 16523 16524 /* 16525 * Queue up an async operation since the package measurement may take a 16526 * little while. 16527 */ 16528 Message msg = mHandler.obtainMessage(INIT_COPY); 16529 msg.obj = new MeasureParams(stats, observer); 16530 mHandler.sendMessage(msg); 16531 } 16532 16533 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16534 final PackageSetting ps; 16535 synchronized (mPackages) { 16536 ps = mSettings.mPackages.get(packageName); 16537 if (ps == null) { 16538 Slog.w(TAG, "Failed to find settings for " + packageName); 16539 return false; 16540 } 16541 } 16542 try { 16543 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16544 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16545 ps.getCeDataInode(userId), ps.codePathString, stats); 16546 } catch (InstallerException e) { 16547 Slog.w(TAG, String.valueOf(e)); 16548 return false; 16549 } 16550 16551 // For now, ignore code size of packages on system partition 16552 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16553 stats.codeSize = 0; 16554 } 16555 16556 return true; 16557 } 16558 16559 private int getUidTargetSdkVersionLockedLPr(int uid) { 16560 Object obj = mSettings.getUserIdLPr(uid); 16561 if (obj instanceof SharedUserSetting) { 16562 final SharedUserSetting sus = (SharedUserSetting) obj; 16563 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16564 final Iterator<PackageSetting> it = sus.packages.iterator(); 16565 while (it.hasNext()) { 16566 final PackageSetting ps = it.next(); 16567 if (ps.pkg != null) { 16568 int v = ps.pkg.applicationInfo.targetSdkVersion; 16569 if (v < vers) vers = v; 16570 } 16571 } 16572 return vers; 16573 } else if (obj instanceof PackageSetting) { 16574 final PackageSetting ps = (PackageSetting) obj; 16575 if (ps.pkg != null) { 16576 return ps.pkg.applicationInfo.targetSdkVersion; 16577 } 16578 } 16579 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16580 } 16581 16582 @Override 16583 public void addPreferredActivity(IntentFilter filter, int match, 16584 ComponentName[] set, ComponentName activity, int userId) { 16585 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16586 "Adding preferred"); 16587 } 16588 16589 private void addPreferredActivityInternal(IntentFilter filter, int match, 16590 ComponentName[] set, ComponentName activity, boolean always, int userId, 16591 String opname) { 16592 // writer 16593 int callingUid = Binder.getCallingUid(); 16594 enforceCrossUserPermission(callingUid, userId, 16595 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16596 if (filter.countActions() == 0) { 16597 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16598 return; 16599 } 16600 synchronized (mPackages) { 16601 if (mContext.checkCallingOrSelfPermission( 16602 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16603 != PackageManager.PERMISSION_GRANTED) { 16604 if (getUidTargetSdkVersionLockedLPr(callingUid) 16605 < Build.VERSION_CODES.FROYO) { 16606 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16607 + callingUid); 16608 return; 16609 } 16610 mContext.enforceCallingOrSelfPermission( 16611 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16612 } 16613 16614 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16615 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16616 + userId + ":"); 16617 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16618 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16619 scheduleWritePackageRestrictionsLocked(userId); 16620 } 16621 } 16622 16623 @Override 16624 public void replacePreferredActivity(IntentFilter filter, int match, 16625 ComponentName[] set, ComponentName activity, int userId) { 16626 if (filter.countActions() != 1) { 16627 throw new IllegalArgumentException( 16628 "replacePreferredActivity expects filter to have only 1 action."); 16629 } 16630 if (filter.countDataAuthorities() != 0 16631 || filter.countDataPaths() != 0 16632 || filter.countDataSchemes() > 1 16633 || filter.countDataTypes() != 0) { 16634 throw new IllegalArgumentException( 16635 "replacePreferredActivity expects filter to have no data authorities, " + 16636 "paths, or types; and at most one scheme."); 16637 } 16638 16639 final int callingUid = Binder.getCallingUid(); 16640 enforceCrossUserPermission(callingUid, userId, 16641 true /* requireFullPermission */, false /* checkShell */, 16642 "replace preferred activity"); 16643 synchronized (mPackages) { 16644 if (mContext.checkCallingOrSelfPermission( 16645 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16646 != PackageManager.PERMISSION_GRANTED) { 16647 if (getUidTargetSdkVersionLockedLPr(callingUid) 16648 < Build.VERSION_CODES.FROYO) { 16649 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16650 + Binder.getCallingUid()); 16651 return; 16652 } 16653 mContext.enforceCallingOrSelfPermission( 16654 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16655 } 16656 16657 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16658 if (pir != null) { 16659 // Get all of the existing entries that exactly match this filter. 16660 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16661 if (existing != null && existing.size() == 1) { 16662 PreferredActivity cur = existing.get(0); 16663 if (DEBUG_PREFERRED) { 16664 Slog.i(TAG, "Checking replace of preferred:"); 16665 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16666 if (!cur.mPref.mAlways) { 16667 Slog.i(TAG, " -- CUR; not mAlways!"); 16668 } else { 16669 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16670 Slog.i(TAG, " -- CUR: mSet=" 16671 + Arrays.toString(cur.mPref.mSetComponents)); 16672 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16673 Slog.i(TAG, " -- NEW: mMatch=" 16674 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16675 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16676 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16677 } 16678 } 16679 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16680 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16681 && cur.mPref.sameSet(set)) { 16682 // Setting the preferred activity to what it happens to be already 16683 if (DEBUG_PREFERRED) { 16684 Slog.i(TAG, "Replacing with same preferred activity " 16685 + cur.mPref.mShortComponent + " for user " 16686 + userId + ":"); 16687 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16688 } 16689 return; 16690 } 16691 } 16692 16693 if (existing != null) { 16694 if (DEBUG_PREFERRED) { 16695 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16696 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16697 } 16698 for (int i = 0; i < existing.size(); i++) { 16699 PreferredActivity pa = existing.get(i); 16700 if (DEBUG_PREFERRED) { 16701 Slog.i(TAG, "Removing existing preferred activity " 16702 + pa.mPref.mComponent + ":"); 16703 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16704 } 16705 pir.removeFilter(pa); 16706 } 16707 } 16708 } 16709 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16710 "Replacing preferred"); 16711 } 16712 } 16713 16714 @Override 16715 public void clearPackagePreferredActivities(String packageName) { 16716 final int uid = Binder.getCallingUid(); 16717 // writer 16718 synchronized (mPackages) { 16719 PackageParser.Package pkg = mPackages.get(packageName); 16720 if (pkg == null || pkg.applicationInfo.uid != uid) { 16721 if (mContext.checkCallingOrSelfPermission( 16722 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16723 != PackageManager.PERMISSION_GRANTED) { 16724 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16725 < Build.VERSION_CODES.FROYO) { 16726 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16727 + Binder.getCallingUid()); 16728 return; 16729 } 16730 mContext.enforceCallingOrSelfPermission( 16731 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16732 } 16733 } 16734 16735 int user = UserHandle.getCallingUserId(); 16736 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16737 scheduleWritePackageRestrictionsLocked(user); 16738 } 16739 } 16740 } 16741 16742 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16743 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16744 ArrayList<PreferredActivity> removed = null; 16745 boolean changed = false; 16746 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16747 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16748 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16749 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16750 continue; 16751 } 16752 Iterator<PreferredActivity> it = pir.filterIterator(); 16753 while (it.hasNext()) { 16754 PreferredActivity pa = it.next(); 16755 // Mark entry for removal only if it matches the package name 16756 // and the entry is of type "always". 16757 if (packageName == null || 16758 (pa.mPref.mComponent.getPackageName().equals(packageName) 16759 && pa.mPref.mAlways)) { 16760 if (removed == null) { 16761 removed = new ArrayList<PreferredActivity>(); 16762 } 16763 removed.add(pa); 16764 } 16765 } 16766 if (removed != null) { 16767 for (int j=0; j<removed.size(); j++) { 16768 PreferredActivity pa = removed.get(j); 16769 pir.removeFilter(pa); 16770 } 16771 changed = true; 16772 } 16773 } 16774 return changed; 16775 } 16776 16777 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16778 private void clearIntentFilterVerificationsLPw(int userId) { 16779 final int packageCount = mPackages.size(); 16780 for (int i = 0; i < packageCount; i++) { 16781 PackageParser.Package pkg = mPackages.valueAt(i); 16782 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16783 } 16784 } 16785 16786 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16787 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16788 if (userId == UserHandle.USER_ALL) { 16789 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16790 sUserManager.getUserIds())) { 16791 for (int oneUserId : sUserManager.getUserIds()) { 16792 scheduleWritePackageRestrictionsLocked(oneUserId); 16793 } 16794 } 16795 } else { 16796 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16797 scheduleWritePackageRestrictionsLocked(userId); 16798 } 16799 } 16800 } 16801 16802 void clearDefaultBrowserIfNeeded(String packageName) { 16803 for (int oneUserId : sUserManager.getUserIds()) { 16804 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16805 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16806 if (packageName.equals(defaultBrowserPackageName)) { 16807 setDefaultBrowserPackageName(null, oneUserId); 16808 } 16809 } 16810 } 16811 16812 @Override 16813 public void resetApplicationPreferences(int userId) { 16814 mContext.enforceCallingOrSelfPermission( 16815 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16816 final long identity = Binder.clearCallingIdentity(); 16817 // writer 16818 try { 16819 synchronized (mPackages) { 16820 clearPackagePreferredActivitiesLPw(null, userId); 16821 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16822 // TODO: We have to reset the default SMS and Phone. This requires 16823 // significant refactoring to keep all default apps in the package 16824 // manager (cleaner but more work) or have the services provide 16825 // callbacks to the package manager to request a default app reset. 16826 applyFactoryDefaultBrowserLPw(userId); 16827 clearIntentFilterVerificationsLPw(userId); 16828 primeDomainVerificationsLPw(userId); 16829 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16830 scheduleWritePackageRestrictionsLocked(userId); 16831 } 16832 resetNetworkPolicies(userId); 16833 } finally { 16834 Binder.restoreCallingIdentity(identity); 16835 } 16836 } 16837 16838 @Override 16839 public int getPreferredActivities(List<IntentFilter> outFilters, 16840 List<ComponentName> outActivities, String packageName) { 16841 16842 int num = 0; 16843 final int userId = UserHandle.getCallingUserId(); 16844 // reader 16845 synchronized (mPackages) { 16846 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16847 if (pir != null) { 16848 final Iterator<PreferredActivity> it = pir.filterIterator(); 16849 while (it.hasNext()) { 16850 final PreferredActivity pa = it.next(); 16851 if (packageName == null 16852 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16853 && pa.mPref.mAlways)) { 16854 if (outFilters != null) { 16855 outFilters.add(new IntentFilter(pa)); 16856 } 16857 if (outActivities != null) { 16858 outActivities.add(pa.mPref.mComponent); 16859 } 16860 } 16861 } 16862 } 16863 } 16864 16865 return num; 16866 } 16867 16868 @Override 16869 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16870 int userId) { 16871 int callingUid = Binder.getCallingUid(); 16872 if (callingUid != Process.SYSTEM_UID) { 16873 throw new SecurityException( 16874 "addPersistentPreferredActivity can only be run by the system"); 16875 } 16876 if (filter.countActions() == 0) { 16877 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16878 return; 16879 } 16880 synchronized (mPackages) { 16881 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16882 ":"); 16883 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16884 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16885 new PersistentPreferredActivity(filter, activity)); 16886 scheduleWritePackageRestrictionsLocked(userId); 16887 } 16888 } 16889 16890 @Override 16891 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16892 int callingUid = Binder.getCallingUid(); 16893 if (callingUid != Process.SYSTEM_UID) { 16894 throw new SecurityException( 16895 "clearPackagePersistentPreferredActivities can only be run by the system"); 16896 } 16897 ArrayList<PersistentPreferredActivity> removed = null; 16898 boolean changed = false; 16899 synchronized (mPackages) { 16900 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16901 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16902 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16903 .valueAt(i); 16904 if (userId != thisUserId) { 16905 continue; 16906 } 16907 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16908 while (it.hasNext()) { 16909 PersistentPreferredActivity ppa = it.next(); 16910 // Mark entry for removal only if it matches the package name. 16911 if (ppa.mComponent.getPackageName().equals(packageName)) { 16912 if (removed == null) { 16913 removed = new ArrayList<PersistentPreferredActivity>(); 16914 } 16915 removed.add(ppa); 16916 } 16917 } 16918 if (removed != null) { 16919 for (int j=0; j<removed.size(); j++) { 16920 PersistentPreferredActivity ppa = removed.get(j); 16921 ppir.removeFilter(ppa); 16922 } 16923 changed = true; 16924 } 16925 } 16926 16927 if (changed) { 16928 scheduleWritePackageRestrictionsLocked(userId); 16929 } 16930 } 16931 } 16932 16933 /** 16934 * Common machinery for picking apart a restored XML blob and passing 16935 * it to a caller-supplied functor to be applied to the running system. 16936 */ 16937 private void restoreFromXml(XmlPullParser parser, int userId, 16938 String expectedStartTag, BlobXmlRestorer functor) 16939 throws IOException, XmlPullParserException { 16940 int type; 16941 while ((type = parser.next()) != XmlPullParser.START_TAG 16942 && type != XmlPullParser.END_DOCUMENT) { 16943 } 16944 if (type != XmlPullParser.START_TAG) { 16945 // oops didn't find a start tag?! 16946 if (DEBUG_BACKUP) { 16947 Slog.e(TAG, "Didn't find start tag during restore"); 16948 } 16949 return; 16950 } 16951Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16952 // this is supposed to be TAG_PREFERRED_BACKUP 16953 if (!expectedStartTag.equals(parser.getName())) { 16954 if (DEBUG_BACKUP) { 16955 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16956 } 16957 return; 16958 } 16959 16960 // skip interfering stuff, then we're aligned with the backing implementation 16961 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16962Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16963 functor.apply(parser, userId); 16964 } 16965 16966 private interface BlobXmlRestorer { 16967 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16968 } 16969 16970 /** 16971 * Non-Binder method, support for the backup/restore mechanism: write the 16972 * full set of preferred activities in its canonical XML format. Returns the 16973 * XML output as a byte array, or null if there is none. 16974 */ 16975 @Override 16976 public byte[] getPreferredActivityBackup(int userId) { 16977 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16978 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16979 } 16980 16981 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16982 try { 16983 final XmlSerializer serializer = new FastXmlSerializer(); 16984 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16985 serializer.startDocument(null, true); 16986 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16987 16988 synchronized (mPackages) { 16989 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16990 } 16991 16992 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16993 serializer.endDocument(); 16994 serializer.flush(); 16995 } catch (Exception e) { 16996 if (DEBUG_BACKUP) { 16997 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16998 } 16999 return null; 17000 } 17001 17002 return dataStream.toByteArray(); 17003 } 17004 17005 @Override 17006 public void restorePreferredActivities(byte[] backup, int userId) { 17007 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17008 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17009 } 17010 17011 try { 17012 final XmlPullParser parser = Xml.newPullParser(); 17013 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17014 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17015 new BlobXmlRestorer() { 17016 @Override 17017 public void apply(XmlPullParser parser, int userId) 17018 throws XmlPullParserException, IOException { 17019 synchronized (mPackages) { 17020 mSettings.readPreferredActivitiesLPw(parser, userId); 17021 } 17022 } 17023 } ); 17024 } catch (Exception e) { 17025 if (DEBUG_BACKUP) { 17026 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17027 } 17028 } 17029 } 17030 17031 /** 17032 * Non-Binder method, support for the backup/restore mechanism: write the 17033 * default browser (etc) settings in its canonical XML format. Returns the default 17034 * browser XML representation as a byte array, or null if there is none. 17035 */ 17036 @Override 17037 public byte[] getDefaultAppsBackup(int userId) { 17038 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17039 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17040 } 17041 17042 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17043 try { 17044 final XmlSerializer serializer = new FastXmlSerializer(); 17045 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17046 serializer.startDocument(null, true); 17047 serializer.startTag(null, TAG_DEFAULT_APPS); 17048 17049 synchronized (mPackages) { 17050 mSettings.writeDefaultAppsLPr(serializer, userId); 17051 } 17052 17053 serializer.endTag(null, TAG_DEFAULT_APPS); 17054 serializer.endDocument(); 17055 serializer.flush(); 17056 } catch (Exception e) { 17057 if (DEBUG_BACKUP) { 17058 Slog.e(TAG, "Unable to write default apps for backup", e); 17059 } 17060 return null; 17061 } 17062 17063 return dataStream.toByteArray(); 17064 } 17065 17066 @Override 17067 public void restoreDefaultApps(byte[] backup, int userId) { 17068 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17069 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17070 } 17071 17072 try { 17073 final XmlPullParser parser = Xml.newPullParser(); 17074 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17075 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17076 new BlobXmlRestorer() { 17077 @Override 17078 public void apply(XmlPullParser parser, int userId) 17079 throws XmlPullParserException, IOException { 17080 synchronized (mPackages) { 17081 mSettings.readDefaultAppsLPw(parser, userId); 17082 } 17083 } 17084 } ); 17085 } catch (Exception e) { 17086 if (DEBUG_BACKUP) { 17087 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17088 } 17089 } 17090 } 17091 17092 @Override 17093 public byte[] getIntentFilterVerificationBackup(int userId) { 17094 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17095 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17096 } 17097 17098 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17099 try { 17100 final XmlSerializer serializer = new FastXmlSerializer(); 17101 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17102 serializer.startDocument(null, true); 17103 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17104 17105 synchronized (mPackages) { 17106 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17107 } 17108 17109 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17110 serializer.endDocument(); 17111 serializer.flush(); 17112 } catch (Exception e) { 17113 if (DEBUG_BACKUP) { 17114 Slog.e(TAG, "Unable to write default apps for backup", e); 17115 } 17116 return null; 17117 } 17118 17119 return dataStream.toByteArray(); 17120 } 17121 17122 @Override 17123 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17124 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17125 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17126 } 17127 17128 try { 17129 final XmlPullParser parser = Xml.newPullParser(); 17130 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17131 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17132 new BlobXmlRestorer() { 17133 @Override 17134 public void apply(XmlPullParser parser, int userId) 17135 throws XmlPullParserException, IOException { 17136 synchronized (mPackages) { 17137 mSettings.readAllDomainVerificationsLPr(parser, userId); 17138 mSettings.writeLPr(); 17139 } 17140 } 17141 } ); 17142 } catch (Exception e) { 17143 if (DEBUG_BACKUP) { 17144 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17145 } 17146 } 17147 } 17148 17149 @Override 17150 public byte[] getPermissionGrantBackup(int userId) { 17151 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17152 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17153 } 17154 17155 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17156 try { 17157 final XmlSerializer serializer = new FastXmlSerializer(); 17158 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17159 serializer.startDocument(null, true); 17160 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17161 17162 synchronized (mPackages) { 17163 serializeRuntimePermissionGrantsLPr(serializer, userId); 17164 } 17165 17166 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17167 serializer.endDocument(); 17168 serializer.flush(); 17169 } catch (Exception e) { 17170 if (DEBUG_BACKUP) { 17171 Slog.e(TAG, "Unable to write default apps for backup", e); 17172 } 17173 return null; 17174 } 17175 17176 return dataStream.toByteArray(); 17177 } 17178 17179 @Override 17180 public void restorePermissionGrants(byte[] backup, int userId) { 17181 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17182 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17183 } 17184 17185 try { 17186 final XmlPullParser parser = Xml.newPullParser(); 17187 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17188 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17189 new BlobXmlRestorer() { 17190 @Override 17191 public void apply(XmlPullParser parser, int userId) 17192 throws XmlPullParserException, IOException { 17193 synchronized (mPackages) { 17194 processRestoredPermissionGrantsLPr(parser, userId); 17195 } 17196 } 17197 } ); 17198 } catch (Exception e) { 17199 if (DEBUG_BACKUP) { 17200 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17201 } 17202 } 17203 } 17204 17205 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17206 throws IOException { 17207 serializer.startTag(null, TAG_ALL_GRANTS); 17208 17209 final int N = mSettings.mPackages.size(); 17210 for (int i = 0; i < N; i++) { 17211 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17212 boolean pkgGrantsKnown = false; 17213 17214 PermissionsState packagePerms = ps.getPermissionsState(); 17215 17216 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17217 final int grantFlags = state.getFlags(); 17218 // only look at grants that are not system/policy fixed 17219 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17220 final boolean isGranted = state.isGranted(); 17221 // And only back up the user-twiddled state bits 17222 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17223 final String packageName = mSettings.mPackages.keyAt(i); 17224 if (!pkgGrantsKnown) { 17225 serializer.startTag(null, TAG_GRANT); 17226 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17227 pkgGrantsKnown = true; 17228 } 17229 17230 final boolean userSet = 17231 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17232 final boolean userFixed = 17233 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17234 final boolean revoke = 17235 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17236 17237 serializer.startTag(null, TAG_PERMISSION); 17238 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17239 if (isGranted) { 17240 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17241 } 17242 if (userSet) { 17243 serializer.attribute(null, ATTR_USER_SET, "true"); 17244 } 17245 if (userFixed) { 17246 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17247 } 17248 if (revoke) { 17249 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17250 } 17251 serializer.endTag(null, TAG_PERMISSION); 17252 } 17253 } 17254 } 17255 17256 if (pkgGrantsKnown) { 17257 serializer.endTag(null, TAG_GRANT); 17258 } 17259 } 17260 17261 serializer.endTag(null, TAG_ALL_GRANTS); 17262 } 17263 17264 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17265 throws XmlPullParserException, IOException { 17266 String pkgName = null; 17267 int outerDepth = parser.getDepth(); 17268 int type; 17269 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17270 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17271 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17272 continue; 17273 } 17274 17275 final String tagName = parser.getName(); 17276 if (tagName.equals(TAG_GRANT)) { 17277 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17278 if (DEBUG_BACKUP) { 17279 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17280 } 17281 } else if (tagName.equals(TAG_PERMISSION)) { 17282 17283 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17284 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17285 17286 int newFlagSet = 0; 17287 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17288 newFlagSet |= FLAG_PERMISSION_USER_SET; 17289 } 17290 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17291 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17292 } 17293 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17294 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17295 } 17296 if (DEBUG_BACKUP) { 17297 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17298 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17299 } 17300 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17301 if (ps != null) { 17302 // Already installed so we apply the grant immediately 17303 if (DEBUG_BACKUP) { 17304 Slog.v(TAG, " + already installed; applying"); 17305 } 17306 PermissionsState perms = ps.getPermissionsState(); 17307 BasePermission bp = mSettings.mPermissions.get(permName); 17308 if (bp != null) { 17309 if (isGranted) { 17310 perms.grantRuntimePermission(bp, userId); 17311 } 17312 if (newFlagSet != 0) { 17313 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17314 } 17315 } 17316 } else { 17317 // Need to wait for post-restore install to apply the grant 17318 if (DEBUG_BACKUP) { 17319 Slog.v(TAG, " - not yet installed; saving for later"); 17320 } 17321 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17322 isGranted, newFlagSet, userId); 17323 } 17324 } else { 17325 PackageManagerService.reportSettingsProblem(Log.WARN, 17326 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17327 XmlUtils.skipCurrentTag(parser); 17328 } 17329 } 17330 17331 scheduleWriteSettingsLocked(); 17332 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17333 } 17334 17335 @Override 17336 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17337 int sourceUserId, int targetUserId, int flags) { 17338 mContext.enforceCallingOrSelfPermission( 17339 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17340 int callingUid = Binder.getCallingUid(); 17341 enforceOwnerRights(ownerPackage, callingUid); 17342 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17343 if (intentFilter.countActions() == 0) { 17344 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17345 return; 17346 } 17347 synchronized (mPackages) { 17348 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17349 ownerPackage, targetUserId, flags); 17350 CrossProfileIntentResolver resolver = 17351 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17352 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17353 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17354 if (existing != null) { 17355 int size = existing.size(); 17356 for (int i = 0; i < size; i++) { 17357 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17358 return; 17359 } 17360 } 17361 } 17362 resolver.addFilter(newFilter); 17363 scheduleWritePackageRestrictionsLocked(sourceUserId); 17364 } 17365 } 17366 17367 @Override 17368 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17369 mContext.enforceCallingOrSelfPermission( 17370 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17371 int callingUid = Binder.getCallingUid(); 17372 enforceOwnerRights(ownerPackage, callingUid); 17373 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17374 synchronized (mPackages) { 17375 CrossProfileIntentResolver resolver = 17376 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17377 ArraySet<CrossProfileIntentFilter> set = 17378 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17379 for (CrossProfileIntentFilter filter : set) { 17380 if (filter.getOwnerPackage().equals(ownerPackage)) { 17381 resolver.removeFilter(filter); 17382 } 17383 } 17384 scheduleWritePackageRestrictionsLocked(sourceUserId); 17385 } 17386 } 17387 17388 // Enforcing that callingUid is owning pkg on userId 17389 private void enforceOwnerRights(String pkg, int callingUid) { 17390 // The system owns everything. 17391 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17392 return; 17393 } 17394 int callingUserId = UserHandle.getUserId(callingUid); 17395 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17396 if (pi == null) { 17397 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17398 + callingUserId); 17399 } 17400 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17401 throw new SecurityException("Calling uid " + callingUid 17402 + " does not own package " + pkg); 17403 } 17404 } 17405 17406 @Override 17407 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17408 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17409 } 17410 17411 private Intent getHomeIntent() { 17412 Intent intent = new Intent(Intent.ACTION_MAIN); 17413 intent.addCategory(Intent.CATEGORY_HOME); 17414 return intent; 17415 } 17416 17417 private IntentFilter getHomeFilter() { 17418 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17419 filter.addCategory(Intent.CATEGORY_HOME); 17420 filter.addCategory(Intent.CATEGORY_DEFAULT); 17421 return filter; 17422 } 17423 17424 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17425 int userId) { 17426 Intent intent = getHomeIntent(); 17427 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17428 PackageManager.GET_META_DATA, userId); 17429 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17430 true, false, false, userId); 17431 17432 allHomeCandidates.clear(); 17433 if (list != null) { 17434 for (ResolveInfo ri : list) { 17435 allHomeCandidates.add(ri); 17436 } 17437 } 17438 return (preferred == null || preferred.activityInfo == null) 17439 ? null 17440 : new ComponentName(preferred.activityInfo.packageName, 17441 preferred.activityInfo.name); 17442 } 17443 17444 @Override 17445 public void setHomeActivity(ComponentName comp, int userId) { 17446 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17447 getHomeActivitiesAsUser(homeActivities, userId); 17448 17449 boolean found = false; 17450 17451 final int size = homeActivities.size(); 17452 final ComponentName[] set = new ComponentName[size]; 17453 for (int i = 0; i < size; i++) { 17454 final ResolveInfo candidate = homeActivities.get(i); 17455 final ActivityInfo info = candidate.activityInfo; 17456 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17457 set[i] = activityName; 17458 if (!found && activityName.equals(comp)) { 17459 found = true; 17460 } 17461 } 17462 if (!found) { 17463 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17464 + userId); 17465 } 17466 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17467 set, comp, userId); 17468 } 17469 17470 private @Nullable String getSetupWizardPackageName() { 17471 final Intent intent = new Intent(Intent.ACTION_MAIN); 17472 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17473 17474 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17475 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17476 | MATCH_DISABLED_COMPONENTS, 17477 UserHandle.myUserId()); 17478 if (matches.size() == 1) { 17479 return matches.get(0).getComponentInfo().packageName; 17480 } else { 17481 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17482 + ": matches=" + matches); 17483 return null; 17484 } 17485 } 17486 17487 @Override 17488 public void setApplicationEnabledSetting(String appPackageName, 17489 int newState, int flags, int userId, String callingPackage) { 17490 if (!sUserManager.exists(userId)) return; 17491 if (callingPackage == null) { 17492 callingPackage = Integer.toString(Binder.getCallingUid()); 17493 } 17494 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17495 } 17496 17497 @Override 17498 public void setComponentEnabledSetting(ComponentName componentName, 17499 int newState, int flags, int userId) { 17500 if (!sUserManager.exists(userId)) return; 17501 setEnabledSetting(componentName.getPackageName(), 17502 componentName.getClassName(), newState, flags, userId, null); 17503 } 17504 17505 private void setEnabledSetting(final String packageName, String className, int newState, 17506 final int flags, int userId, String callingPackage) { 17507 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17508 || newState == COMPONENT_ENABLED_STATE_ENABLED 17509 || newState == COMPONENT_ENABLED_STATE_DISABLED 17510 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17511 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17512 throw new IllegalArgumentException("Invalid new component state: " 17513 + newState); 17514 } 17515 PackageSetting pkgSetting; 17516 final int uid = Binder.getCallingUid(); 17517 final int permission; 17518 if (uid == Process.SYSTEM_UID) { 17519 permission = PackageManager.PERMISSION_GRANTED; 17520 } else { 17521 permission = mContext.checkCallingOrSelfPermission( 17522 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17523 } 17524 enforceCrossUserPermission(uid, userId, 17525 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17526 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17527 boolean sendNow = false; 17528 boolean isApp = (className == null); 17529 String componentName = isApp ? packageName : className; 17530 int packageUid = -1; 17531 ArrayList<String> components; 17532 17533 // writer 17534 synchronized (mPackages) { 17535 pkgSetting = mSettings.mPackages.get(packageName); 17536 if (pkgSetting == null) { 17537 if (className == null) { 17538 throw new IllegalArgumentException("Unknown package: " + packageName); 17539 } 17540 throw new IllegalArgumentException( 17541 "Unknown component: " + packageName + "/" + className); 17542 } 17543 } 17544 17545 // Limit who can change which apps 17546 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17547 // Don't allow apps that don't have permission to modify other apps 17548 if (!allowedByPermission) { 17549 throw new SecurityException( 17550 "Permission Denial: attempt to change component state from pid=" 17551 + Binder.getCallingPid() 17552 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17553 } 17554 // Don't allow changing profile and device owners. Calling into DPMS, so no locking. 17555 final DevicePolicyManagerInternal dpmi = LocalServices 17556 .getService(DevicePolicyManagerInternal.class); 17557 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 17558 throw new SecurityException("Cannot disable a device owner or a profile owner"); 17559 } 17560 } 17561 17562 synchronized (mPackages) { 17563 if (uid == Process.SHELL_UID) { 17564 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17565 int oldState = pkgSetting.getEnabled(userId); 17566 if (className == null 17567 && 17568 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17569 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17570 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17571 && 17572 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17573 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17574 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17575 // ok 17576 } else { 17577 throw new SecurityException( 17578 "Shell cannot change component state for " + packageName + "/" 17579 + className + " to " + newState); 17580 } 17581 } 17582 if (className == null) { 17583 // We're dealing with an application/package level state change 17584 if (pkgSetting.getEnabled(userId) == newState) { 17585 // Nothing to do 17586 return; 17587 } 17588 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17589 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17590 // Don't care about who enables an app. 17591 callingPackage = null; 17592 } 17593 pkgSetting.setEnabled(newState, userId, callingPackage); 17594 // pkgSetting.pkg.mSetEnabled = newState; 17595 } else { 17596 // We're dealing with a component level state change 17597 // First, verify that this is a valid class name. 17598 PackageParser.Package pkg = pkgSetting.pkg; 17599 if (pkg == null || !pkg.hasComponentClassName(className)) { 17600 if (pkg != null && 17601 pkg.applicationInfo.targetSdkVersion >= 17602 Build.VERSION_CODES.JELLY_BEAN) { 17603 throw new IllegalArgumentException("Component class " + className 17604 + " does not exist in " + packageName); 17605 } else { 17606 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17607 + className + " does not exist in " + packageName); 17608 } 17609 } 17610 switch (newState) { 17611 case COMPONENT_ENABLED_STATE_ENABLED: 17612 if (!pkgSetting.enableComponentLPw(className, userId)) { 17613 return; 17614 } 17615 break; 17616 case COMPONENT_ENABLED_STATE_DISABLED: 17617 if (!pkgSetting.disableComponentLPw(className, userId)) { 17618 return; 17619 } 17620 break; 17621 case COMPONENT_ENABLED_STATE_DEFAULT: 17622 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17623 return; 17624 } 17625 break; 17626 default: 17627 Slog.e(TAG, "Invalid new component state: " + newState); 17628 return; 17629 } 17630 } 17631 scheduleWritePackageRestrictionsLocked(userId); 17632 components = mPendingBroadcasts.get(userId, packageName); 17633 final boolean newPackage = components == null; 17634 if (newPackage) { 17635 components = new ArrayList<String>(); 17636 } 17637 if (!components.contains(componentName)) { 17638 components.add(componentName); 17639 } 17640 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17641 sendNow = true; 17642 // Purge entry from pending broadcast list if another one exists already 17643 // since we are sending one right away. 17644 mPendingBroadcasts.remove(userId, packageName); 17645 } else { 17646 if (newPackage) { 17647 mPendingBroadcasts.put(userId, packageName, components); 17648 } 17649 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17650 // Schedule a message 17651 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17652 } 17653 } 17654 } 17655 17656 long callingId = Binder.clearCallingIdentity(); 17657 try { 17658 if (sendNow) { 17659 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17660 sendPackageChangedBroadcast(packageName, 17661 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17662 } 17663 } finally { 17664 Binder.restoreCallingIdentity(callingId); 17665 } 17666 } 17667 17668 @Override 17669 public void flushPackageRestrictionsAsUser(int userId) { 17670 if (!sUserManager.exists(userId)) { 17671 return; 17672 } 17673 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17674 false /* checkShell */, "flushPackageRestrictions"); 17675 synchronized (mPackages) { 17676 mSettings.writePackageRestrictionsLPr(userId); 17677 mDirtyUsers.remove(userId); 17678 if (mDirtyUsers.isEmpty()) { 17679 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17680 } 17681 } 17682 } 17683 17684 private void sendPackageChangedBroadcast(String packageName, 17685 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17686 if (DEBUG_INSTALL) 17687 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17688 + componentNames); 17689 Bundle extras = new Bundle(4); 17690 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17691 String nameList[] = new String[componentNames.size()]; 17692 componentNames.toArray(nameList); 17693 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17694 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17695 extras.putInt(Intent.EXTRA_UID, packageUid); 17696 // If this is not reporting a change of the overall package, then only send it 17697 // to registered receivers. We don't want to launch a swath of apps for every 17698 // little component state change. 17699 final int flags = !componentNames.contains(packageName) 17700 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17701 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17702 new int[] {UserHandle.getUserId(packageUid)}); 17703 } 17704 17705 @Override 17706 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17707 if (!sUserManager.exists(userId)) return; 17708 final int uid = Binder.getCallingUid(); 17709 final int permission = mContext.checkCallingOrSelfPermission( 17710 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17711 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17712 enforceCrossUserPermission(uid, userId, 17713 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17714 // writer 17715 synchronized (mPackages) { 17716 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17717 allowedByPermission, uid, userId)) { 17718 scheduleWritePackageRestrictionsLocked(userId); 17719 } 17720 } 17721 } 17722 17723 @Override 17724 public String getInstallerPackageName(String packageName) { 17725 // reader 17726 synchronized (mPackages) { 17727 return mSettings.getInstallerPackageNameLPr(packageName); 17728 } 17729 } 17730 17731 public boolean isOrphaned(String packageName) { 17732 // reader 17733 synchronized (mPackages) { 17734 return mSettings.isOrphaned(packageName); 17735 } 17736 } 17737 17738 @Override 17739 public int getApplicationEnabledSetting(String packageName, int userId) { 17740 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17741 int uid = Binder.getCallingUid(); 17742 enforceCrossUserPermission(uid, userId, 17743 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17744 // reader 17745 synchronized (mPackages) { 17746 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17747 } 17748 } 17749 17750 @Override 17751 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17752 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17753 int uid = Binder.getCallingUid(); 17754 enforceCrossUserPermission(uid, userId, 17755 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17756 // reader 17757 synchronized (mPackages) { 17758 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17759 } 17760 } 17761 17762 @Override 17763 public void enterSafeMode() { 17764 enforceSystemOrRoot("Only the system can request entering safe mode"); 17765 17766 if (!mSystemReady) { 17767 mSafeMode = true; 17768 } 17769 } 17770 17771 @Override 17772 public void systemReady() { 17773 mSystemReady = true; 17774 17775 // Read the compatibilty setting when the system is ready. 17776 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17777 mContext.getContentResolver(), 17778 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17779 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17780 if (DEBUG_SETTINGS) { 17781 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17782 } 17783 17784 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17785 17786 synchronized (mPackages) { 17787 // Verify that all of the preferred activity components actually 17788 // exist. It is possible for applications to be updated and at 17789 // that point remove a previously declared activity component that 17790 // had been set as a preferred activity. We try to clean this up 17791 // the next time we encounter that preferred activity, but it is 17792 // possible for the user flow to never be able to return to that 17793 // situation so here we do a sanity check to make sure we haven't 17794 // left any junk around. 17795 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17796 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17797 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17798 removed.clear(); 17799 for (PreferredActivity pa : pir.filterSet()) { 17800 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17801 removed.add(pa); 17802 } 17803 } 17804 if (removed.size() > 0) { 17805 for (int r=0; r<removed.size(); r++) { 17806 PreferredActivity pa = removed.get(r); 17807 Slog.w(TAG, "Removing dangling preferred activity: " 17808 + pa.mPref.mComponent); 17809 pir.removeFilter(pa); 17810 } 17811 mSettings.writePackageRestrictionsLPr( 17812 mSettings.mPreferredActivities.keyAt(i)); 17813 } 17814 } 17815 17816 for (int userId : UserManagerService.getInstance().getUserIds()) { 17817 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17818 grantPermissionsUserIds = ArrayUtils.appendInt( 17819 grantPermissionsUserIds, userId); 17820 } 17821 } 17822 } 17823 sUserManager.systemReady(); 17824 17825 // If we upgraded grant all default permissions before kicking off. 17826 for (int userId : grantPermissionsUserIds) { 17827 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17828 } 17829 17830 // Kick off any messages waiting for system ready 17831 if (mPostSystemReadyMessages != null) { 17832 for (Message msg : mPostSystemReadyMessages) { 17833 msg.sendToTarget(); 17834 } 17835 mPostSystemReadyMessages = null; 17836 } 17837 17838 // Watch for external volumes that come and go over time 17839 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17840 storage.registerListener(mStorageListener); 17841 17842 mInstallerService.systemReady(); 17843 mPackageDexOptimizer.systemReady(); 17844 17845 MountServiceInternal mountServiceInternal = LocalServices.getService( 17846 MountServiceInternal.class); 17847 mountServiceInternal.addExternalStoragePolicy( 17848 new MountServiceInternal.ExternalStorageMountPolicy() { 17849 @Override 17850 public int getMountMode(int uid, String packageName) { 17851 if (Process.isIsolated(uid)) { 17852 return Zygote.MOUNT_EXTERNAL_NONE; 17853 } 17854 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17855 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17856 } 17857 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17858 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17859 } 17860 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17861 return Zygote.MOUNT_EXTERNAL_READ; 17862 } 17863 return Zygote.MOUNT_EXTERNAL_WRITE; 17864 } 17865 17866 @Override 17867 public boolean hasExternalStorage(int uid, String packageName) { 17868 return true; 17869 } 17870 }); 17871 17872 // Now that we're mostly running, clean up stale users and apps 17873 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17874 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17875 } 17876 17877 @Override 17878 public boolean isSafeMode() { 17879 return mSafeMode; 17880 } 17881 17882 @Override 17883 public boolean hasSystemUidErrors() { 17884 return mHasSystemUidErrors; 17885 } 17886 17887 static String arrayToString(int[] array) { 17888 StringBuffer buf = new StringBuffer(128); 17889 buf.append('['); 17890 if (array != null) { 17891 for (int i=0; i<array.length; i++) { 17892 if (i > 0) buf.append(", "); 17893 buf.append(array[i]); 17894 } 17895 } 17896 buf.append(']'); 17897 return buf.toString(); 17898 } 17899 17900 static class DumpState { 17901 public static final int DUMP_LIBS = 1 << 0; 17902 public static final int DUMP_FEATURES = 1 << 1; 17903 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17904 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17905 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17906 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17907 public static final int DUMP_PERMISSIONS = 1 << 6; 17908 public static final int DUMP_PACKAGES = 1 << 7; 17909 public static final int DUMP_SHARED_USERS = 1 << 8; 17910 public static final int DUMP_MESSAGES = 1 << 9; 17911 public static final int DUMP_PROVIDERS = 1 << 10; 17912 public static final int DUMP_VERIFIERS = 1 << 11; 17913 public static final int DUMP_PREFERRED = 1 << 12; 17914 public static final int DUMP_PREFERRED_XML = 1 << 13; 17915 public static final int DUMP_KEYSETS = 1 << 14; 17916 public static final int DUMP_VERSION = 1 << 15; 17917 public static final int DUMP_INSTALLS = 1 << 16; 17918 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17919 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17920 public static final int DUMP_FROZEN = 1 << 19; 17921 public static final int DUMP_DEXOPT = 1 << 20; 17922 17923 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17924 17925 private int mTypes; 17926 17927 private int mOptions; 17928 17929 private boolean mTitlePrinted; 17930 17931 private SharedUserSetting mSharedUser; 17932 17933 public boolean isDumping(int type) { 17934 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17935 return true; 17936 } 17937 17938 return (mTypes & type) != 0; 17939 } 17940 17941 public void setDump(int type) { 17942 mTypes |= type; 17943 } 17944 17945 public boolean isOptionEnabled(int option) { 17946 return (mOptions & option) != 0; 17947 } 17948 17949 public void setOptionEnabled(int option) { 17950 mOptions |= option; 17951 } 17952 17953 public boolean onTitlePrinted() { 17954 final boolean printed = mTitlePrinted; 17955 mTitlePrinted = true; 17956 return printed; 17957 } 17958 17959 public boolean getTitlePrinted() { 17960 return mTitlePrinted; 17961 } 17962 17963 public void setTitlePrinted(boolean enabled) { 17964 mTitlePrinted = enabled; 17965 } 17966 17967 public SharedUserSetting getSharedUser() { 17968 return mSharedUser; 17969 } 17970 17971 public void setSharedUser(SharedUserSetting user) { 17972 mSharedUser = user; 17973 } 17974 } 17975 17976 @Override 17977 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17978 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17979 (new PackageManagerShellCommand(this)).exec( 17980 this, in, out, err, args, resultReceiver); 17981 } 17982 17983 @Override 17984 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17985 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17986 != PackageManager.PERMISSION_GRANTED) { 17987 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17988 + Binder.getCallingPid() 17989 + ", uid=" + Binder.getCallingUid() 17990 + " without permission " 17991 + android.Manifest.permission.DUMP); 17992 return; 17993 } 17994 17995 DumpState dumpState = new DumpState(); 17996 boolean fullPreferred = false; 17997 boolean checkin = false; 17998 17999 String packageName = null; 18000 ArraySet<String> permissionNames = null; 18001 18002 int opti = 0; 18003 while (opti < args.length) { 18004 String opt = args[opti]; 18005 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18006 break; 18007 } 18008 opti++; 18009 18010 if ("-a".equals(opt)) { 18011 // Right now we only know how to print all. 18012 } else if ("-h".equals(opt)) { 18013 pw.println("Package manager dump options:"); 18014 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18015 pw.println(" --checkin: dump for a checkin"); 18016 pw.println(" -f: print details of intent filters"); 18017 pw.println(" -h: print this help"); 18018 pw.println(" cmd may be one of:"); 18019 pw.println(" l[ibraries]: list known shared libraries"); 18020 pw.println(" f[eatures]: list device features"); 18021 pw.println(" k[eysets]: print known keysets"); 18022 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18023 pw.println(" perm[issions]: dump permissions"); 18024 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18025 pw.println(" pref[erred]: print preferred package settings"); 18026 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18027 pw.println(" prov[iders]: dump content providers"); 18028 pw.println(" p[ackages]: dump installed packages"); 18029 pw.println(" s[hared-users]: dump shared user IDs"); 18030 pw.println(" m[essages]: print collected runtime messages"); 18031 pw.println(" v[erifiers]: print package verifier info"); 18032 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18033 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18034 pw.println(" version: print database version info"); 18035 pw.println(" write: write current settings now"); 18036 pw.println(" installs: details about install sessions"); 18037 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18038 pw.println(" dexopt: dump dexopt state"); 18039 pw.println(" <package.name>: info about given package"); 18040 return; 18041 } else if ("--checkin".equals(opt)) { 18042 checkin = true; 18043 } else if ("-f".equals(opt)) { 18044 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18045 } else { 18046 pw.println("Unknown argument: " + opt + "; use -h for help"); 18047 } 18048 } 18049 18050 // Is the caller requesting to dump a particular piece of data? 18051 if (opti < args.length) { 18052 String cmd = args[opti]; 18053 opti++; 18054 // Is this a package name? 18055 if ("android".equals(cmd) || cmd.contains(".")) { 18056 packageName = cmd; 18057 // When dumping a single package, we always dump all of its 18058 // filter information since the amount of data will be reasonable. 18059 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18060 } else if ("check-permission".equals(cmd)) { 18061 if (opti >= args.length) { 18062 pw.println("Error: check-permission missing permission argument"); 18063 return; 18064 } 18065 String perm = args[opti]; 18066 opti++; 18067 if (opti >= args.length) { 18068 pw.println("Error: check-permission missing package argument"); 18069 return; 18070 } 18071 String pkg = args[opti]; 18072 opti++; 18073 int user = UserHandle.getUserId(Binder.getCallingUid()); 18074 if (opti < args.length) { 18075 try { 18076 user = Integer.parseInt(args[opti]); 18077 } catch (NumberFormatException e) { 18078 pw.println("Error: check-permission user argument is not a number: " 18079 + args[opti]); 18080 return; 18081 } 18082 } 18083 pw.println(checkPermission(perm, pkg, user)); 18084 return; 18085 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18086 dumpState.setDump(DumpState.DUMP_LIBS); 18087 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18088 dumpState.setDump(DumpState.DUMP_FEATURES); 18089 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18090 if (opti >= args.length) { 18091 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18092 | DumpState.DUMP_SERVICE_RESOLVERS 18093 | DumpState.DUMP_RECEIVER_RESOLVERS 18094 | DumpState.DUMP_CONTENT_RESOLVERS); 18095 } else { 18096 while (opti < args.length) { 18097 String name = args[opti]; 18098 if ("a".equals(name) || "activity".equals(name)) { 18099 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18100 } else if ("s".equals(name) || "service".equals(name)) { 18101 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18102 } else if ("r".equals(name) || "receiver".equals(name)) { 18103 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18104 } else if ("c".equals(name) || "content".equals(name)) { 18105 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18106 } else { 18107 pw.println("Error: unknown resolver table type: " + name); 18108 return; 18109 } 18110 opti++; 18111 } 18112 } 18113 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18114 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18115 } else if ("permission".equals(cmd)) { 18116 if (opti >= args.length) { 18117 pw.println("Error: permission requires permission name"); 18118 return; 18119 } 18120 permissionNames = new ArraySet<>(); 18121 while (opti < args.length) { 18122 permissionNames.add(args[opti]); 18123 opti++; 18124 } 18125 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18126 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18127 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18128 dumpState.setDump(DumpState.DUMP_PREFERRED); 18129 } else if ("preferred-xml".equals(cmd)) { 18130 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18131 if (opti < args.length && "--full".equals(args[opti])) { 18132 fullPreferred = true; 18133 opti++; 18134 } 18135 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18136 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18137 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18138 dumpState.setDump(DumpState.DUMP_PACKAGES); 18139 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18140 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18141 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18142 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18143 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18144 dumpState.setDump(DumpState.DUMP_MESSAGES); 18145 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18146 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18147 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18148 || "intent-filter-verifiers".equals(cmd)) { 18149 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18150 } else if ("version".equals(cmd)) { 18151 dumpState.setDump(DumpState.DUMP_VERSION); 18152 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18153 dumpState.setDump(DumpState.DUMP_KEYSETS); 18154 } else if ("installs".equals(cmd)) { 18155 dumpState.setDump(DumpState.DUMP_INSTALLS); 18156 } else if ("frozen".equals(cmd)) { 18157 dumpState.setDump(DumpState.DUMP_FROZEN); 18158 } else if ("dexopt".equals(cmd)) { 18159 dumpState.setDump(DumpState.DUMP_DEXOPT); 18160 } else if ("write".equals(cmd)) { 18161 synchronized (mPackages) { 18162 mSettings.writeLPr(); 18163 pw.println("Settings written."); 18164 return; 18165 } 18166 } 18167 } 18168 18169 if (checkin) { 18170 pw.println("vers,1"); 18171 } 18172 18173 // reader 18174 synchronized (mPackages) { 18175 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18176 if (!checkin) { 18177 if (dumpState.onTitlePrinted()) 18178 pw.println(); 18179 pw.println("Database versions:"); 18180 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18181 } 18182 } 18183 18184 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18185 if (!checkin) { 18186 if (dumpState.onTitlePrinted()) 18187 pw.println(); 18188 pw.println("Verifiers:"); 18189 pw.print(" Required: "); 18190 pw.print(mRequiredVerifierPackage); 18191 pw.print(" (uid="); 18192 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18193 UserHandle.USER_SYSTEM)); 18194 pw.println(")"); 18195 } else if (mRequiredVerifierPackage != null) { 18196 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18197 pw.print(","); 18198 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18199 UserHandle.USER_SYSTEM)); 18200 } 18201 } 18202 18203 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18204 packageName == null) { 18205 if (mIntentFilterVerifierComponent != null) { 18206 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18207 if (!checkin) { 18208 if (dumpState.onTitlePrinted()) 18209 pw.println(); 18210 pw.println("Intent Filter Verifier:"); 18211 pw.print(" Using: "); 18212 pw.print(verifierPackageName); 18213 pw.print(" (uid="); 18214 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18215 UserHandle.USER_SYSTEM)); 18216 pw.println(")"); 18217 } else if (verifierPackageName != null) { 18218 pw.print("ifv,"); pw.print(verifierPackageName); 18219 pw.print(","); 18220 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18221 UserHandle.USER_SYSTEM)); 18222 } 18223 } else { 18224 pw.println(); 18225 pw.println("No Intent Filter Verifier available!"); 18226 } 18227 } 18228 18229 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18230 boolean printedHeader = false; 18231 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18232 while (it.hasNext()) { 18233 String name = it.next(); 18234 SharedLibraryEntry ent = mSharedLibraries.get(name); 18235 if (!checkin) { 18236 if (!printedHeader) { 18237 if (dumpState.onTitlePrinted()) 18238 pw.println(); 18239 pw.println("Libraries:"); 18240 printedHeader = true; 18241 } 18242 pw.print(" "); 18243 } else { 18244 pw.print("lib,"); 18245 } 18246 pw.print(name); 18247 if (!checkin) { 18248 pw.print(" -> "); 18249 } 18250 if (ent.path != null) { 18251 if (!checkin) { 18252 pw.print("(jar) "); 18253 pw.print(ent.path); 18254 } else { 18255 pw.print(",jar,"); 18256 pw.print(ent.path); 18257 } 18258 } else { 18259 if (!checkin) { 18260 pw.print("(apk) "); 18261 pw.print(ent.apk); 18262 } else { 18263 pw.print(",apk,"); 18264 pw.print(ent.apk); 18265 } 18266 } 18267 pw.println(); 18268 } 18269 } 18270 18271 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18272 if (dumpState.onTitlePrinted()) 18273 pw.println(); 18274 if (!checkin) { 18275 pw.println("Features:"); 18276 } 18277 18278 for (FeatureInfo feat : mAvailableFeatures.values()) { 18279 if (checkin) { 18280 pw.print("feat,"); 18281 pw.print(feat.name); 18282 pw.print(","); 18283 pw.println(feat.version); 18284 } else { 18285 pw.print(" "); 18286 pw.print(feat.name); 18287 if (feat.version > 0) { 18288 pw.print(" version="); 18289 pw.print(feat.version); 18290 } 18291 pw.println(); 18292 } 18293 } 18294 } 18295 18296 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18297 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18298 : "Activity Resolver Table:", " ", packageName, 18299 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18300 dumpState.setTitlePrinted(true); 18301 } 18302 } 18303 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18304 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18305 : "Receiver Resolver Table:", " ", packageName, 18306 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18307 dumpState.setTitlePrinted(true); 18308 } 18309 } 18310 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18311 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18312 : "Service Resolver Table:", " ", packageName, 18313 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18314 dumpState.setTitlePrinted(true); 18315 } 18316 } 18317 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18318 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18319 : "Provider Resolver Table:", " ", packageName, 18320 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18321 dumpState.setTitlePrinted(true); 18322 } 18323 } 18324 18325 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18326 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18327 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18328 int user = mSettings.mPreferredActivities.keyAt(i); 18329 if (pir.dump(pw, 18330 dumpState.getTitlePrinted() 18331 ? "\nPreferred Activities User " + user + ":" 18332 : "Preferred Activities User " + user + ":", " ", 18333 packageName, true, false)) { 18334 dumpState.setTitlePrinted(true); 18335 } 18336 } 18337 } 18338 18339 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18340 pw.flush(); 18341 FileOutputStream fout = new FileOutputStream(fd); 18342 BufferedOutputStream str = new BufferedOutputStream(fout); 18343 XmlSerializer serializer = new FastXmlSerializer(); 18344 try { 18345 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18346 serializer.startDocument(null, true); 18347 serializer.setFeature( 18348 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18349 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18350 serializer.endDocument(); 18351 serializer.flush(); 18352 } catch (IllegalArgumentException e) { 18353 pw.println("Failed writing: " + e); 18354 } catch (IllegalStateException e) { 18355 pw.println("Failed writing: " + e); 18356 } catch (IOException e) { 18357 pw.println("Failed writing: " + e); 18358 } 18359 } 18360 18361 if (!checkin 18362 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18363 && packageName == null) { 18364 pw.println(); 18365 int count = mSettings.mPackages.size(); 18366 if (count == 0) { 18367 pw.println("No applications!"); 18368 pw.println(); 18369 } else { 18370 final String prefix = " "; 18371 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18372 if (allPackageSettings.size() == 0) { 18373 pw.println("No domain preferred apps!"); 18374 pw.println(); 18375 } else { 18376 pw.println("App verification status:"); 18377 pw.println(); 18378 count = 0; 18379 for (PackageSetting ps : allPackageSettings) { 18380 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18381 if (ivi == null || ivi.getPackageName() == null) continue; 18382 pw.println(prefix + "Package: " + ivi.getPackageName()); 18383 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18384 pw.println(prefix + "Status: " + ivi.getStatusString()); 18385 pw.println(); 18386 count++; 18387 } 18388 if (count == 0) { 18389 pw.println(prefix + "No app verification established."); 18390 pw.println(); 18391 } 18392 for (int userId : sUserManager.getUserIds()) { 18393 pw.println("App linkages for user " + userId + ":"); 18394 pw.println(); 18395 count = 0; 18396 for (PackageSetting ps : allPackageSettings) { 18397 final long status = ps.getDomainVerificationStatusForUser(userId); 18398 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18399 continue; 18400 } 18401 pw.println(prefix + "Package: " + ps.name); 18402 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18403 String statusStr = IntentFilterVerificationInfo. 18404 getStatusStringFromValue(status); 18405 pw.println(prefix + "Status: " + statusStr); 18406 pw.println(); 18407 count++; 18408 } 18409 if (count == 0) { 18410 pw.println(prefix + "No configured app linkages."); 18411 pw.println(); 18412 } 18413 } 18414 } 18415 } 18416 } 18417 18418 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18419 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18420 if (packageName == null && permissionNames == null) { 18421 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18422 if (iperm == 0) { 18423 if (dumpState.onTitlePrinted()) 18424 pw.println(); 18425 pw.println("AppOp Permissions:"); 18426 } 18427 pw.print(" AppOp Permission "); 18428 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18429 pw.println(":"); 18430 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18431 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18432 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18433 } 18434 } 18435 } 18436 } 18437 18438 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18439 boolean printedSomething = false; 18440 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18441 if (packageName != null && !packageName.equals(p.info.packageName)) { 18442 continue; 18443 } 18444 if (!printedSomething) { 18445 if (dumpState.onTitlePrinted()) 18446 pw.println(); 18447 pw.println("Registered ContentProviders:"); 18448 printedSomething = true; 18449 } 18450 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18451 pw.print(" "); pw.println(p.toString()); 18452 } 18453 printedSomething = false; 18454 for (Map.Entry<String, PackageParser.Provider> entry : 18455 mProvidersByAuthority.entrySet()) { 18456 PackageParser.Provider p = entry.getValue(); 18457 if (packageName != null && !packageName.equals(p.info.packageName)) { 18458 continue; 18459 } 18460 if (!printedSomething) { 18461 if (dumpState.onTitlePrinted()) 18462 pw.println(); 18463 pw.println("ContentProvider Authorities:"); 18464 printedSomething = true; 18465 } 18466 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18467 pw.print(" "); pw.println(p.toString()); 18468 if (p.info != null && p.info.applicationInfo != null) { 18469 final String appInfo = p.info.applicationInfo.toString(); 18470 pw.print(" applicationInfo="); pw.println(appInfo); 18471 } 18472 } 18473 } 18474 18475 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18476 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18477 } 18478 18479 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18480 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18481 } 18482 18483 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18484 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18485 } 18486 18487 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18488 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18489 } 18490 18491 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18492 // XXX should handle packageName != null by dumping only install data that 18493 // the given package is involved with. 18494 if (dumpState.onTitlePrinted()) pw.println(); 18495 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18496 } 18497 18498 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18499 // XXX should handle packageName != null by dumping only install data that 18500 // the given package is involved with. 18501 if (dumpState.onTitlePrinted()) pw.println(); 18502 18503 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18504 ipw.println(); 18505 ipw.println("Frozen packages:"); 18506 ipw.increaseIndent(); 18507 if (mFrozenPackages.size() == 0) { 18508 ipw.println("(none)"); 18509 } else { 18510 for (int i = 0; i < mFrozenPackages.size(); i++) { 18511 ipw.println(mFrozenPackages.valueAt(i)); 18512 } 18513 } 18514 ipw.decreaseIndent(); 18515 } 18516 18517 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18518 if (dumpState.onTitlePrinted()) pw.println(); 18519 dumpDexoptStateLPr(pw, packageName); 18520 } 18521 18522 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18523 if (dumpState.onTitlePrinted()) pw.println(); 18524 mSettings.dumpReadMessagesLPr(pw, dumpState); 18525 18526 pw.println(); 18527 pw.println("Package warning messages:"); 18528 BufferedReader in = null; 18529 String line = null; 18530 try { 18531 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18532 while ((line = in.readLine()) != null) { 18533 if (line.contains("ignored: updated version")) continue; 18534 pw.println(line); 18535 } 18536 } catch (IOException ignored) { 18537 } finally { 18538 IoUtils.closeQuietly(in); 18539 } 18540 } 18541 18542 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18543 BufferedReader in = null; 18544 String line = null; 18545 try { 18546 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18547 while ((line = in.readLine()) != null) { 18548 if (line.contains("ignored: updated version")) continue; 18549 pw.print("msg,"); 18550 pw.println(line); 18551 } 18552 } catch (IOException ignored) { 18553 } finally { 18554 IoUtils.closeQuietly(in); 18555 } 18556 } 18557 } 18558 } 18559 18560 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18561 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18562 ipw.println(); 18563 ipw.println("Dexopt state:"); 18564 ipw.increaseIndent(); 18565 Collection<PackageParser.Package> packages = null; 18566 if (packageName != null) { 18567 PackageParser.Package targetPackage = mPackages.get(packageName); 18568 if (targetPackage != null) { 18569 packages = Collections.singletonList(targetPackage); 18570 } else { 18571 ipw.println("Unable to find package: " + packageName); 18572 return; 18573 } 18574 } else { 18575 packages = mPackages.values(); 18576 } 18577 18578 for (PackageParser.Package pkg : packages) { 18579 ipw.println("[" + pkg.packageName + "]"); 18580 ipw.increaseIndent(); 18581 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18582 ipw.decreaseIndent(); 18583 } 18584 } 18585 18586 private String dumpDomainString(String packageName) { 18587 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18588 .getList(); 18589 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18590 18591 ArraySet<String> result = new ArraySet<>(); 18592 if (iviList.size() > 0) { 18593 for (IntentFilterVerificationInfo ivi : iviList) { 18594 for (String host : ivi.getDomains()) { 18595 result.add(host); 18596 } 18597 } 18598 } 18599 if (filters != null && filters.size() > 0) { 18600 for (IntentFilter filter : filters) { 18601 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18602 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18603 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18604 result.addAll(filter.getHostsList()); 18605 } 18606 } 18607 } 18608 18609 StringBuilder sb = new StringBuilder(result.size() * 16); 18610 for (String domain : result) { 18611 if (sb.length() > 0) sb.append(" "); 18612 sb.append(domain); 18613 } 18614 return sb.toString(); 18615 } 18616 18617 // ------- apps on sdcard specific code ------- 18618 static final boolean DEBUG_SD_INSTALL = false; 18619 18620 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18621 18622 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18623 18624 private boolean mMediaMounted = false; 18625 18626 static String getEncryptKey() { 18627 try { 18628 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18629 SD_ENCRYPTION_KEYSTORE_NAME); 18630 if (sdEncKey == null) { 18631 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18632 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18633 if (sdEncKey == null) { 18634 Slog.e(TAG, "Failed to create encryption keys"); 18635 return null; 18636 } 18637 } 18638 return sdEncKey; 18639 } catch (NoSuchAlgorithmException nsae) { 18640 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18641 return null; 18642 } catch (IOException ioe) { 18643 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18644 return null; 18645 } 18646 } 18647 18648 /* 18649 * Update media status on PackageManager. 18650 */ 18651 @Override 18652 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18653 int callingUid = Binder.getCallingUid(); 18654 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18655 throw new SecurityException("Media status can only be updated by the system"); 18656 } 18657 // reader; this apparently protects mMediaMounted, but should probably 18658 // be a different lock in that case. 18659 synchronized (mPackages) { 18660 Log.i(TAG, "Updating external media status from " 18661 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18662 + (mediaStatus ? "mounted" : "unmounted")); 18663 if (DEBUG_SD_INSTALL) 18664 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18665 + ", mMediaMounted=" + mMediaMounted); 18666 if (mediaStatus == mMediaMounted) { 18667 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18668 : 0, -1); 18669 mHandler.sendMessage(msg); 18670 return; 18671 } 18672 mMediaMounted = mediaStatus; 18673 } 18674 // Queue up an async operation since the package installation may take a 18675 // little while. 18676 mHandler.post(new Runnable() { 18677 public void run() { 18678 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18679 } 18680 }); 18681 } 18682 18683 /** 18684 * Called by MountService when the initial ASECs to scan are available. 18685 * Should block until all the ASEC containers are finished being scanned. 18686 */ 18687 public void scanAvailableAsecs() { 18688 updateExternalMediaStatusInner(true, false, false); 18689 } 18690 18691 /* 18692 * Collect information of applications on external media, map them against 18693 * existing containers and update information based on current mount status. 18694 * Please note that we always have to report status if reportStatus has been 18695 * set to true especially when unloading packages. 18696 */ 18697 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18698 boolean externalStorage) { 18699 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18700 int[] uidArr = EmptyArray.INT; 18701 18702 final String[] list = PackageHelper.getSecureContainerList(); 18703 if (ArrayUtils.isEmpty(list)) { 18704 Log.i(TAG, "No secure containers found"); 18705 } else { 18706 // Process list of secure containers and categorize them 18707 // as active or stale based on their package internal state. 18708 18709 // reader 18710 synchronized (mPackages) { 18711 for (String cid : list) { 18712 // Leave stages untouched for now; installer service owns them 18713 if (PackageInstallerService.isStageName(cid)) continue; 18714 18715 if (DEBUG_SD_INSTALL) 18716 Log.i(TAG, "Processing container " + cid); 18717 String pkgName = getAsecPackageName(cid); 18718 if (pkgName == null) { 18719 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18720 continue; 18721 } 18722 if (DEBUG_SD_INSTALL) 18723 Log.i(TAG, "Looking for pkg : " + pkgName); 18724 18725 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18726 if (ps == null) { 18727 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18728 continue; 18729 } 18730 18731 /* 18732 * Skip packages that are not external if we're unmounting 18733 * external storage. 18734 */ 18735 if (externalStorage && !isMounted && !isExternal(ps)) { 18736 continue; 18737 } 18738 18739 final AsecInstallArgs args = new AsecInstallArgs(cid, 18740 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18741 // The package status is changed only if the code path 18742 // matches between settings and the container id. 18743 if (ps.codePathString != null 18744 && ps.codePathString.startsWith(args.getCodePath())) { 18745 if (DEBUG_SD_INSTALL) { 18746 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18747 + " at code path: " + ps.codePathString); 18748 } 18749 18750 // We do have a valid package installed on sdcard 18751 processCids.put(args, ps.codePathString); 18752 final int uid = ps.appId; 18753 if (uid != -1) { 18754 uidArr = ArrayUtils.appendInt(uidArr, uid); 18755 } 18756 } else { 18757 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18758 + ps.codePathString); 18759 } 18760 } 18761 } 18762 18763 Arrays.sort(uidArr); 18764 } 18765 18766 // Process packages with valid entries. 18767 if (isMounted) { 18768 if (DEBUG_SD_INSTALL) 18769 Log.i(TAG, "Loading packages"); 18770 loadMediaPackages(processCids, uidArr, externalStorage); 18771 startCleaningPackages(); 18772 mInstallerService.onSecureContainersAvailable(); 18773 } else { 18774 if (DEBUG_SD_INSTALL) 18775 Log.i(TAG, "Unloading packages"); 18776 unloadMediaPackages(processCids, uidArr, reportStatus); 18777 } 18778 } 18779 18780 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18781 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18782 final int size = infos.size(); 18783 final String[] packageNames = new String[size]; 18784 final int[] packageUids = new int[size]; 18785 for (int i = 0; i < size; i++) { 18786 final ApplicationInfo info = infos.get(i); 18787 packageNames[i] = info.packageName; 18788 packageUids[i] = info.uid; 18789 } 18790 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18791 finishedReceiver); 18792 } 18793 18794 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18795 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18796 sendResourcesChangedBroadcast(mediaStatus, replacing, 18797 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18798 } 18799 18800 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18801 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18802 int size = pkgList.length; 18803 if (size > 0) { 18804 // Send broadcasts here 18805 Bundle extras = new Bundle(); 18806 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18807 if (uidArr != null) { 18808 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18809 } 18810 if (replacing) { 18811 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18812 } 18813 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18814 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18815 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18816 } 18817 } 18818 18819 /* 18820 * Look at potentially valid container ids from processCids If package 18821 * information doesn't match the one on record or package scanning fails, 18822 * the cid is added to list of removeCids. We currently don't delete stale 18823 * containers. 18824 */ 18825 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18826 boolean externalStorage) { 18827 ArrayList<String> pkgList = new ArrayList<String>(); 18828 Set<AsecInstallArgs> keys = processCids.keySet(); 18829 18830 for (AsecInstallArgs args : keys) { 18831 String codePath = processCids.get(args); 18832 if (DEBUG_SD_INSTALL) 18833 Log.i(TAG, "Loading container : " + args.cid); 18834 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18835 try { 18836 // Make sure there are no container errors first. 18837 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18838 Slog.e(TAG, "Failed to mount cid : " + args.cid 18839 + " when installing from sdcard"); 18840 continue; 18841 } 18842 // Check code path here. 18843 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18844 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18845 + " does not match one in settings " + codePath); 18846 continue; 18847 } 18848 // Parse package 18849 int parseFlags = mDefParseFlags; 18850 if (args.isExternalAsec()) { 18851 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18852 } 18853 if (args.isFwdLocked()) { 18854 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18855 } 18856 18857 synchronized (mInstallLock) { 18858 PackageParser.Package pkg = null; 18859 try { 18860 // Sadly we don't know the package name yet to freeze it 18861 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18862 SCAN_IGNORE_FROZEN, 0, null); 18863 } catch (PackageManagerException e) { 18864 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18865 } 18866 // Scan the package 18867 if (pkg != null) { 18868 /* 18869 * TODO why is the lock being held? doPostInstall is 18870 * called in other places without the lock. This needs 18871 * to be straightened out. 18872 */ 18873 // writer 18874 synchronized (mPackages) { 18875 retCode = PackageManager.INSTALL_SUCCEEDED; 18876 pkgList.add(pkg.packageName); 18877 // Post process args 18878 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18879 pkg.applicationInfo.uid); 18880 } 18881 } else { 18882 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18883 } 18884 } 18885 18886 } finally { 18887 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18888 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18889 } 18890 } 18891 } 18892 // writer 18893 synchronized (mPackages) { 18894 // If the platform SDK has changed since the last time we booted, 18895 // we need to re-grant app permission to catch any new ones that 18896 // appear. This is really a hack, and means that apps can in some 18897 // cases get permissions that the user didn't initially explicitly 18898 // allow... it would be nice to have some better way to handle 18899 // this situation. 18900 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18901 : mSettings.getInternalVersion(); 18902 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18903 : StorageManager.UUID_PRIVATE_INTERNAL; 18904 18905 int updateFlags = UPDATE_PERMISSIONS_ALL; 18906 if (ver.sdkVersion != mSdkVersion) { 18907 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18908 + mSdkVersion + "; regranting permissions for external"); 18909 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18910 } 18911 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18912 18913 // Yay, everything is now upgraded 18914 ver.forceCurrent(); 18915 18916 // can downgrade to reader 18917 // Persist settings 18918 mSettings.writeLPr(); 18919 } 18920 // Send a broadcast to let everyone know we are done processing 18921 if (pkgList.size() > 0) { 18922 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18923 } 18924 } 18925 18926 /* 18927 * Utility method to unload a list of specified containers 18928 */ 18929 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18930 // Just unmount all valid containers. 18931 for (AsecInstallArgs arg : cidArgs) { 18932 synchronized (mInstallLock) { 18933 arg.doPostDeleteLI(false); 18934 } 18935 } 18936 } 18937 18938 /* 18939 * Unload packages mounted on external media. This involves deleting package 18940 * data from internal structures, sending broadcasts about disabled packages, 18941 * gc'ing to free up references, unmounting all secure containers 18942 * corresponding to packages on external media, and posting a 18943 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18944 * that we always have to post this message if status has been requested no 18945 * matter what. 18946 */ 18947 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18948 final boolean reportStatus) { 18949 if (DEBUG_SD_INSTALL) 18950 Log.i(TAG, "unloading media packages"); 18951 ArrayList<String> pkgList = new ArrayList<String>(); 18952 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18953 final Set<AsecInstallArgs> keys = processCids.keySet(); 18954 for (AsecInstallArgs args : keys) { 18955 String pkgName = args.getPackageName(); 18956 if (DEBUG_SD_INSTALL) 18957 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18958 // Delete package internally 18959 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18960 synchronized (mInstallLock) { 18961 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18962 final boolean res; 18963 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 18964 "unloadMediaPackages")) { 18965 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 18966 null); 18967 } 18968 if (res) { 18969 pkgList.add(pkgName); 18970 } else { 18971 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18972 failedList.add(args); 18973 } 18974 } 18975 } 18976 18977 // reader 18978 synchronized (mPackages) { 18979 // We didn't update the settings after removing each package; 18980 // write them now for all packages. 18981 mSettings.writeLPr(); 18982 } 18983 18984 // We have to absolutely send UPDATED_MEDIA_STATUS only 18985 // after confirming that all the receivers processed the ordered 18986 // broadcast when packages get disabled, force a gc to clean things up. 18987 // and unload all the containers. 18988 if (pkgList.size() > 0) { 18989 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18990 new IIntentReceiver.Stub() { 18991 public void performReceive(Intent intent, int resultCode, String data, 18992 Bundle extras, boolean ordered, boolean sticky, 18993 int sendingUser) throws RemoteException { 18994 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18995 reportStatus ? 1 : 0, 1, keys); 18996 mHandler.sendMessage(msg); 18997 } 18998 }); 18999 } else { 19000 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19001 keys); 19002 mHandler.sendMessage(msg); 19003 } 19004 } 19005 19006 private void loadPrivatePackages(final VolumeInfo vol) { 19007 mHandler.post(new Runnable() { 19008 @Override 19009 public void run() { 19010 loadPrivatePackagesInner(vol); 19011 } 19012 }); 19013 } 19014 19015 private void loadPrivatePackagesInner(VolumeInfo vol) { 19016 final String volumeUuid = vol.fsUuid; 19017 if (TextUtils.isEmpty(volumeUuid)) { 19018 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19019 return; 19020 } 19021 19022 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19023 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19024 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19025 19026 final VersionInfo ver; 19027 final List<PackageSetting> packages; 19028 synchronized (mPackages) { 19029 ver = mSettings.findOrCreateVersion(volumeUuid); 19030 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19031 } 19032 19033 for (PackageSetting ps : packages) { 19034 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19035 synchronized (mInstallLock) { 19036 final PackageParser.Package pkg; 19037 try { 19038 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19039 loaded.add(pkg.applicationInfo); 19040 19041 } catch (PackageManagerException e) { 19042 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19043 } 19044 19045 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19046 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19047 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19048 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19049 } 19050 } 19051 } 19052 19053 // Reconcile app data for all started/unlocked users 19054 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19055 final UserManager um = mContext.getSystemService(UserManager.class); 19056 UserManagerInternal umInternal = getUserManagerInternal(); 19057 for (UserInfo user : um.getUsers()) { 19058 final int flags; 19059 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19060 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19061 } else if (umInternal.isUserRunning(user.id)) { 19062 flags = StorageManager.FLAG_STORAGE_DE; 19063 } else { 19064 continue; 19065 } 19066 19067 try { 19068 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19069 synchronized (mInstallLock) { 19070 reconcileAppsDataLI(volumeUuid, user.id, flags); 19071 } 19072 } catch (IllegalStateException e) { 19073 // Device was probably ejected, and we'll process that event momentarily 19074 Slog.w(TAG, "Failed to prepare storage: " + e); 19075 } 19076 } 19077 19078 synchronized (mPackages) { 19079 int updateFlags = UPDATE_PERMISSIONS_ALL; 19080 if (ver.sdkVersion != mSdkVersion) { 19081 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19082 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19083 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19084 } 19085 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19086 19087 // Yay, everything is now upgraded 19088 ver.forceCurrent(); 19089 19090 mSettings.writeLPr(); 19091 } 19092 19093 for (PackageFreezer freezer : freezers) { 19094 freezer.close(); 19095 } 19096 19097 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19098 sendResourcesChangedBroadcast(true, false, loaded, null); 19099 } 19100 19101 private void unloadPrivatePackages(final VolumeInfo vol) { 19102 mHandler.post(new Runnable() { 19103 @Override 19104 public void run() { 19105 unloadPrivatePackagesInner(vol); 19106 } 19107 }); 19108 } 19109 19110 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19111 final String volumeUuid = vol.fsUuid; 19112 if (TextUtils.isEmpty(volumeUuid)) { 19113 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19114 return; 19115 } 19116 19117 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19118 synchronized (mInstallLock) { 19119 synchronized (mPackages) { 19120 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19121 for (PackageSetting ps : packages) { 19122 if (ps.pkg == null) continue; 19123 19124 final ApplicationInfo info = ps.pkg.applicationInfo; 19125 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19126 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19127 19128 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19129 "unloadPrivatePackagesInner")) { 19130 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19131 false, null)) { 19132 unloaded.add(info); 19133 } else { 19134 Slog.w(TAG, "Failed to unload " + ps.codePath); 19135 } 19136 } 19137 } 19138 19139 mSettings.writeLPr(); 19140 } 19141 } 19142 19143 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19144 sendResourcesChangedBroadcast(false, false, unloaded, null); 19145 } 19146 19147 /** 19148 * Prepare storage areas for given user on all mounted devices. 19149 */ 19150 void prepareUserData(int userId, int userSerial, int flags) { 19151 synchronized (mInstallLock) { 19152 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19153 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19154 final String volumeUuid = vol.getFsUuid(); 19155 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19156 } 19157 } 19158 } 19159 19160 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19161 boolean allowRecover) { 19162 // Prepare storage and verify that serial numbers are consistent; if 19163 // there's a mismatch we need to destroy to avoid leaking data 19164 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19165 try { 19166 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19167 19168 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19169 UserManagerService.enforceSerialNumber( 19170 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19171 } 19172 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19173 UserManagerService.enforceSerialNumber( 19174 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19175 } 19176 19177 synchronized (mInstallLock) { 19178 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19179 } 19180 } catch (Exception e) { 19181 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19182 + " because we failed to prepare: " + e); 19183 destroyUserDataLI(volumeUuid, userId, 19184 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19185 19186 if (allowRecover) { 19187 // Try one last time; if we fail again we're really in trouble 19188 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19189 } 19190 } 19191 } 19192 19193 /** 19194 * Destroy storage areas for given user on all mounted devices. 19195 */ 19196 void destroyUserData(int userId, int flags) { 19197 synchronized (mInstallLock) { 19198 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19199 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19200 final String volumeUuid = vol.getFsUuid(); 19201 destroyUserDataLI(volumeUuid, userId, flags); 19202 } 19203 } 19204 } 19205 19206 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19207 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19208 try { 19209 // Clean up app data, profile data, and media data 19210 mInstaller.destroyUserData(volumeUuid, userId, flags); 19211 19212 // Clean up system data 19213 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19214 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19215 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19216 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19217 } 19218 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19219 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19220 } 19221 } 19222 19223 // Data with special labels is now gone, so finish the job 19224 storage.destroyUserStorage(volumeUuid, userId, flags); 19225 19226 } catch (Exception e) { 19227 logCriticalInfo(Log.WARN, 19228 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19229 } 19230 } 19231 19232 /** 19233 * Examine all users present on given mounted volume, and destroy data 19234 * belonging to users that are no longer valid, or whose user ID has been 19235 * recycled. 19236 */ 19237 private void reconcileUsers(String volumeUuid) { 19238 final List<File> files = new ArrayList<>(); 19239 Collections.addAll(files, FileUtils 19240 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19241 Collections.addAll(files, FileUtils 19242 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19243 for (File file : files) { 19244 if (!file.isDirectory()) continue; 19245 19246 final int userId; 19247 final UserInfo info; 19248 try { 19249 userId = Integer.parseInt(file.getName()); 19250 info = sUserManager.getUserInfo(userId); 19251 } catch (NumberFormatException e) { 19252 Slog.w(TAG, "Invalid user directory " + file); 19253 continue; 19254 } 19255 19256 boolean destroyUser = false; 19257 if (info == null) { 19258 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19259 + " because no matching user was found"); 19260 destroyUser = true; 19261 } else if (!mOnlyCore) { 19262 try { 19263 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19264 } catch (IOException e) { 19265 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19266 + " because we failed to enforce serial number: " + e); 19267 destroyUser = true; 19268 } 19269 } 19270 19271 if (destroyUser) { 19272 synchronized (mInstallLock) { 19273 destroyUserDataLI(volumeUuid, userId, 19274 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19275 } 19276 } 19277 } 19278 } 19279 19280 private void assertPackageKnown(String volumeUuid, String packageName) 19281 throws PackageManagerException { 19282 synchronized (mPackages) { 19283 final PackageSetting ps = mSettings.mPackages.get(packageName); 19284 if (ps == null) { 19285 throw new PackageManagerException("Package " + packageName + " is unknown"); 19286 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19287 throw new PackageManagerException( 19288 "Package " + packageName + " found on unknown volume " + volumeUuid 19289 + "; expected volume " + ps.volumeUuid); 19290 } 19291 } 19292 } 19293 19294 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19295 throws PackageManagerException { 19296 synchronized (mPackages) { 19297 final PackageSetting ps = mSettings.mPackages.get(packageName); 19298 if (ps == null) { 19299 throw new PackageManagerException("Package " + packageName + " is unknown"); 19300 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19301 throw new PackageManagerException( 19302 "Package " + packageName + " found on unknown volume " + volumeUuid 19303 + "; expected volume " + ps.volumeUuid); 19304 } else if (!ps.getInstalled(userId)) { 19305 throw new PackageManagerException( 19306 "Package " + packageName + " not installed for user " + userId); 19307 } 19308 } 19309 } 19310 19311 /** 19312 * Examine all apps present on given mounted volume, and destroy apps that 19313 * aren't expected, either due to uninstallation or reinstallation on 19314 * another volume. 19315 */ 19316 private void reconcileApps(String volumeUuid) { 19317 final File[] files = FileUtils 19318 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19319 for (File file : files) { 19320 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19321 && !PackageInstallerService.isStageName(file.getName()); 19322 if (!isPackage) { 19323 // Ignore entries which are not packages 19324 continue; 19325 } 19326 19327 try { 19328 final PackageLite pkg = PackageParser.parsePackageLite(file, 19329 PackageParser.PARSE_MUST_BE_APK); 19330 assertPackageKnown(volumeUuid, pkg.packageName); 19331 19332 } catch (PackageParserException | PackageManagerException e) { 19333 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19334 synchronized (mInstallLock) { 19335 removeCodePathLI(file); 19336 } 19337 } 19338 } 19339 } 19340 19341 /** 19342 * Reconcile all app data for the given user. 19343 * <p> 19344 * Verifies that directories exist and that ownership and labeling is 19345 * correct for all installed apps on all mounted volumes. 19346 */ 19347 void reconcileAppsData(int userId, int flags) { 19348 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19349 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19350 final String volumeUuid = vol.getFsUuid(); 19351 synchronized (mInstallLock) { 19352 reconcileAppsDataLI(volumeUuid, userId, flags); 19353 } 19354 } 19355 } 19356 19357 /** 19358 * Reconcile all app data on given mounted volume. 19359 * <p> 19360 * Destroys app data that isn't expected, either due to uninstallation or 19361 * reinstallation on another volume. 19362 * <p> 19363 * Verifies that directories exist and that ownership and labeling is 19364 * correct for all installed apps. 19365 */ 19366 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19367 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19368 + Integer.toHexString(flags)); 19369 19370 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19371 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19372 19373 boolean restoreconNeeded = false; 19374 19375 // First look for stale data that doesn't belong, and check if things 19376 // have changed since we did our last restorecon 19377 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19378 if (StorageManager.isFileEncryptedNativeOrEmulated() 19379 && !StorageManager.isUserKeyUnlocked(userId)) { 19380 throw new RuntimeException( 19381 "Yikes, someone asked us to reconcile CE storage while " + userId 19382 + " was still locked; this would have caused massive data loss!"); 19383 } 19384 19385 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19386 19387 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19388 for (File file : files) { 19389 final String packageName = file.getName(); 19390 try { 19391 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19392 } catch (PackageManagerException e) { 19393 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19394 try { 19395 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19396 StorageManager.FLAG_STORAGE_CE, 0); 19397 } catch (InstallerException e2) { 19398 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19399 } 19400 } 19401 } 19402 } 19403 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19404 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19405 19406 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19407 for (File file : files) { 19408 final String packageName = file.getName(); 19409 try { 19410 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19411 } catch (PackageManagerException e) { 19412 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19413 try { 19414 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19415 StorageManager.FLAG_STORAGE_DE, 0); 19416 } catch (InstallerException e2) { 19417 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19418 } 19419 } 19420 } 19421 } 19422 19423 // Ensure that data directories are ready to roll for all packages 19424 // installed for this volume and user 19425 final List<PackageSetting> packages; 19426 synchronized (mPackages) { 19427 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19428 } 19429 int preparedCount = 0; 19430 for (PackageSetting ps : packages) { 19431 final String packageName = ps.name; 19432 if (ps.pkg == null) { 19433 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19434 // TODO: might be due to legacy ASEC apps; we should circle back 19435 // and reconcile again once they're scanned 19436 continue; 19437 } 19438 19439 if (ps.getInstalled(userId)) { 19440 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19441 19442 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19443 // We may have just shuffled around app data directories, so 19444 // prepare them one more time 19445 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19446 } 19447 19448 preparedCount++; 19449 } 19450 } 19451 19452 if (restoreconNeeded) { 19453 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19454 SELinuxMMAC.setRestoreconDone(ceDir); 19455 } 19456 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19457 SELinuxMMAC.setRestoreconDone(deDir); 19458 } 19459 } 19460 19461 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19462 + " packages; restoreconNeeded was " + restoreconNeeded); 19463 } 19464 19465 /** 19466 * Prepare app data for the given app just after it was installed or 19467 * upgraded. This method carefully only touches users that it's installed 19468 * for, and it forces a restorecon to handle any seinfo changes. 19469 * <p> 19470 * Verifies that directories exist and that ownership and labeling is 19471 * correct for all installed apps. If there is an ownership mismatch, it 19472 * will try recovering system apps by wiping data; third-party app data is 19473 * left intact. 19474 * <p> 19475 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19476 */ 19477 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19478 final PackageSetting ps; 19479 synchronized (mPackages) { 19480 ps = mSettings.mPackages.get(pkg.packageName); 19481 mSettings.writeKernelMappingLPr(ps); 19482 } 19483 19484 final UserManager um = mContext.getSystemService(UserManager.class); 19485 UserManagerInternal umInternal = getUserManagerInternal(); 19486 for (UserInfo user : um.getUsers()) { 19487 final int flags; 19488 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19489 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19490 } else if (umInternal.isUserRunning(user.id)) { 19491 flags = StorageManager.FLAG_STORAGE_DE; 19492 } else { 19493 continue; 19494 } 19495 19496 if (ps.getInstalled(user.id)) { 19497 // Whenever an app changes, force a restorecon of its data 19498 // TODO: when user data is locked, mark that we're still dirty 19499 prepareAppDataLIF(pkg, user.id, flags, true); 19500 } 19501 } 19502 } 19503 19504 /** 19505 * Prepare app data for the given app. 19506 * <p> 19507 * Verifies that directories exist and that ownership and labeling is 19508 * correct for all installed apps. If there is an ownership mismatch, this 19509 * will try recovering system apps by wiping data; third-party app data is 19510 * left intact. 19511 */ 19512 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19513 boolean restoreconNeeded) { 19514 if (pkg == null) { 19515 Slog.wtf(TAG, "Package was null!", new Throwable()); 19516 return; 19517 } 19518 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19519 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19520 for (int i = 0; i < childCount; i++) { 19521 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19522 } 19523 } 19524 19525 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19526 boolean restoreconNeeded) { 19527 if (DEBUG_APP_DATA) { 19528 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19529 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19530 } 19531 19532 final String volumeUuid = pkg.volumeUuid; 19533 final String packageName = pkg.packageName; 19534 final ApplicationInfo app = pkg.applicationInfo; 19535 final int appId = UserHandle.getAppId(app.uid); 19536 19537 Preconditions.checkNotNull(app.seinfo); 19538 19539 try { 19540 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19541 appId, app.seinfo, app.targetSdkVersion); 19542 } catch (InstallerException e) { 19543 if (app.isSystemApp()) { 19544 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19545 + ", but trying to recover: " + e); 19546 destroyAppDataLeafLIF(pkg, userId, flags); 19547 try { 19548 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19549 appId, app.seinfo, app.targetSdkVersion); 19550 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19551 } catch (InstallerException e2) { 19552 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19553 } 19554 } else { 19555 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19556 } 19557 } 19558 19559 if (restoreconNeeded) { 19560 try { 19561 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19562 app.seinfo); 19563 } catch (InstallerException e) { 19564 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19565 } 19566 } 19567 19568 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19569 try { 19570 // CE storage is unlocked right now, so read out the inode and 19571 // remember for use later when it's locked 19572 // TODO: mark this structure as dirty so we persist it! 19573 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19574 StorageManager.FLAG_STORAGE_CE); 19575 synchronized (mPackages) { 19576 final PackageSetting ps = mSettings.mPackages.get(packageName); 19577 if (ps != null) { 19578 ps.setCeDataInode(ceDataInode, userId); 19579 } 19580 } 19581 } catch (InstallerException e) { 19582 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19583 } 19584 } 19585 19586 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19587 } 19588 19589 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19590 if (pkg == null) { 19591 Slog.wtf(TAG, "Package was null!", new Throwable()); 19592 return; 19593 } 19594 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19595 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19596 for (int i = 0; i < childCount; i++) { 19597 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19598 } 19599 } 19600 19601 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19602 final String volumeUuid = pkg.volumeUuid; 19603 final String packageName = pkg.packageName; 19604 final ApplicationInfo app = pkg.applicationInfo; 19605 19606 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19607 // Create a native library symlink only if we have native libraries 19608 // and if the native libraries are 32 bit libraries. We do not provide 19609 // this symlink for 64 bit libraries. 19610 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19611 final String nativeLibPath = app.nativeLibraryDir; 19612 try { 19613 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19614 nativeLibPath, userId); 19615 } catch (InstallerException e) { 19616 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19617 } 19618 } 19619 } 19620 } 19621 19622 /** 19623 * For system apps on non-FBE devices, this method migrates any existing 19624 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19625 * requested by the app. 19626 */ 19627 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19628 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19629 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19630 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19631 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19632 try { 19633 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19634 storageTarget); 19635 } catch (InstallerException e) { 19636 logCriticalInfo(Log.WARN, 19637 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19638 } 19639 return true; 19640 } else { 19641 return false; 19642 } 19643 } 19644 19645 public PackageFreezer freezePackage(String packageName, String killReason) { 19646 return new PackageFreezer(packageName, killReason); 19647 } 19648 19649 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19650 String killReason) { 19651 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19652 return new PackageFreezer(); 19653 } else { 19654 return freezePackage(packageName, killReason); 19655 } 19656 } 19657 19658 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19659 String killReason) { 19660 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19661 return new PackageFreezer(); 19662 } else { 19663 return freezePackage(packageName, killReason); 19664 } 19665 } 19666 19667 /** 19668 * Class that freezes and kills the given package upon creation, and 19669 * unfreezes it upon closing. This is typically used when doing surgery on 19670 * app code/data to prevent the app from running while you're working. 19671 */ 19672 private class PackageFreezer implements AutoCloseable { 19673 private final String mPackageName; 19674 private final PackageFreezer[] mChildren; 19675 19676 private final boolean mWeFroze; 19677 19678 private final AtomicBoolean mClosed = new AtomicBoolean(); 19679 private final CloseGuard mCloseGuard = CloseGuard.get(); 19680 19681 /** 19682 * Create and return a stub freezer that doesn't actually do anything, 19683 * typically used when someone requested 19684 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19685 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19686 */ 19687 public PackageFreezer() { 19688 mPackageName = null; 19689 mChildren = null; 19690 mWeFroze = false; 19691 mCloseGuard.open("close"); 19692 } 19693 19694 public PackageFreezer(String packageName, String killReason) { 19695 synchronized (mPackages) { 19696 mPackageName = packageName; 19697 mWeFroze = mFrozenPackages.add(mPackageName); 19698 19699 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19700 if (ps != null) { 19701 killApplication(ps.name, ps.appId, killReason); 19702 } 19703 19704 final PackageParser.Package p = mPackages.get(packageName); 19705 if (p != null && p.childPackages != null) { 19706 final int N = p.childPackages.size(); 19707 mChildren = new PackageFreezer[N]; 19708 for (int i = 0; i < N; i++) { 19709 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19710 killReason); 19711 } 19712 } else { 19713 mChildren = null; 19714 } 19715 } 19716 mCloseGuard.open("close"); 19717 } 19718 19719 @Override 19720 protected void finalize() throws Throwable { 19721 try { 19722 mCloseGuard.warnIfOpen(); 19723 close(); 19724 } finally { 19725 super.finalize(); 19726 } 19727 } 19728 19729 @Override 19730 public void close() { 19731 mCloseGuard.close(); 19732 if (mClosed.compareAndSet(false, true)) { 19733 synchronized (mPackages) { 19734 if (mWeFroze) { 19735 mFrozenPackages.remove(mPackageName); 19736 } 19737 19738 if (mChildren != null) { 19739 for (PackageFreezer freezer : mChildren) { 19740 freezer.close(); 19741 } 19742 } 19743 } 19744 } 19745 } 19746 } 19747 19748 /** 19749 * Verify that given package is currently frozen. 19750 */ 19751 private void checkPackageFrozen(String packageName) { 19752 synchronized (mPackages) { 19753 if (!mFrozenPackages.contains(packageName)) { 19754 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19755 } 19756 } 19757 } 19758 19759 @Override 19760 public int movePackage(final String packageName, final String volumeUuid) { 19761 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19762 19763 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19764 final int moveId = mNextMoveId.getAndIncrement(); 19765 mHandler.post(new Runnable() { 19766 @Override 19767 public void run() { 19768 try { 19769 movePackageInternal(packageName, volumeUuid, moveId, user); 19770 } catch (PackageManagerException e) { 19771 Slog.w(TAG, "Failed to move " + packageName, e); 19772 mMoveCallbacks.notifyStatusChanged(moveId, 19773 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19774 } 19775 } 19776 }); 19777 return moveId; 19778 } 19779 19780 private void movePackageInternal(final String packageName, final String volumeUuid, 19781 final int moveId, UserHandle user) throws PackageManagerException { 19782 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19783 final PackageManager pm = mContext.getPackageManager(); 19784 19785 final boolean currentAsec; 19786 final String currentVolumeUuid; 19787 final File codeFile; 19788 final String installerPackageName; 19789 final String packageAbiOverride; 19790 final int appId; 19791 final String seinfo; 19792 final String label; 19793 final int targetSdkVersion; 19794 final PackageFreezer freezer; 19795 final int[] installedUserIds; 19796 19797 // reader 19798 synchronized (mPackages) { 19799 final PackageParser.Package pkg = mPackages.get(packageName); 19800 final PackageSetting ps = mSettings.mPackages.get(packageName); 19801 if (pkg == null || ps == null) { 19802 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19803 } 19804 19805 if (pkg.applicationInfo.isSystemApp()) { 19806 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19807 "Cannot move system application"); 19808 } 19809 19810 if (pkg.applicationInfo.isExternalAsec()) { 19811 currentAsec = true; 19812 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19813 } else if (pkg.applicationInfo.isForwardLocked()) { 19814 currentAsec = true; 19815 currentVolumeUuid = "forward_locked"; 19816 } else { 19817 currentAsec = false; 19818 currentVolumeUuid = ps.volumeUuid; 19819 19820 final File probe = new File(pkg.codePath); 19821 final File probeOat = new File(probe, "oat"); 19822 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19823 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19824 "Move only supported for modern cluster style installs"); 19825 } 19826 } 19827 19828 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19829 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19830 "Package already moved to " + volumeUuid); 19831 } 19832 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19833 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19834 "Device admin cannot be moved"); 19835 } 19836 19837 if (mFrozenPackages.contains(packageName)) { 19838 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19839 "Failed to move already frozen package"); 19840 } 19841 19842 codeFile = new File(pkg.codePath); 19843 installerPackageName = ps.installerPackageName; 19844 packageAbiOverride = ps.cpuAbiOverrideString; 19845 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19846 seinfo = pkg.applicationInfo.seinfo; 19847 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19848 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19849 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19850 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 19851 } 19852 19853 final Bundle extras = new Bundle(); 19854 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19855 extras.putString(Intent.EXTRA_TITLE, label); 19856 mMoveCallbacks.notifyCreated(moveId, extras); 19857 19858 int installFlags; 19859 final boolean moveCompleteApp; 19860 final File measurePath; 19861 19862 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19863 installFlags = INSTALL_INTERNAL; 19864 moveCompleteApp = !currentAsec; 19865 measurePath = Environment.getDataAppDirectory(volumeUuid); 19866 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19867 installFlags = INSTALL_EXTERNAL; 19868 moveCompleteApp = false; 19869 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19870 } else { 19871 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19872 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19873 || !volume.isMountedWritable()) { 19874 freezer.close(); 19875 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19876 "Move location not mounted private volume"); 19877 } 19878 19879 Preconditions.checkState(!currentAsec); 19880 19881 installFlags = INSTALL_INTERNAL; 19882 moveCompleteApp = true; 19883 measurePath = Environment.getDataAppDirectory(volumeUuid); 19884 } 19885 19886 final PackageStats stats = new PackageStats(null, -1); 19887 synchronized (mInstaller) { 19888 for (int userId : installedUserIds) { 19889 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 19890 freezer.close(); 19891 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19892 "Failed to measure package size"); 19893 } 19894 } 19895 } 19896 19897 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19898 + stats.dataSize); 19899 19900 final long startFreeBytes = measurePath.getFreeSpace(); 19901 final long sizeBytes; 19902 if (moveCompleteApp) { 19903 sizeBytes = stats.codeSize + stats.dataSize; 19904 } else { 19905 sizeBytes = stats.codeSize; 19906 } 19907 19908 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19909 freezer.close(); 19910 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19911 "Not enough free space to move"); 19912 } 19913 19914 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19915 19916 final CountDownLatch installedLatch = new CountDownLatch(1); 19917 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19918 @Override 19919 public void onUserActionRequired(Intent intent) throws RemoteException { 19920 throw new IllegalStateException(); 19921 } 19922 19923 @Override 19924 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19925 Bundle extras) throws RemoteException { 19926 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19927 + PackageManager.installStatusToString(returnCode, msg)); 19928 19929 installedLatch.countDown(); 19930 freezer.close(); 19931 19932 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19933 switch (status) { 19934 case PackageInstaller.STATUS_SUCCESS: 19935 mMoveCallbacks.notifyStatusChanged(moveId, 19936 PackageManager.MOVE_SUCCEEDED); 19937 break; 19938 case PackageInstaller.STATUS_FAILURE_STORAGE: 19939 mMoveCallbacks.notifyStatusChanged(moveId, 19940 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19941 break; 19942 default: 19943 mMoveCallbacks.notifyStatusChanged(moveId, 19944 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19945 break; 19946 } 19947 } 19948 }; 19949 19950 final MoveInfo move; 19951 if (moveCompleteApp) { 19952 // Kick off a thread to report progress estimates 19953 new Thread() { 19954 @Override 19955 public void run() { 19956 while (true) { 19957 try { 19958 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19959 break; 19960 } 19961 } catch (InterruptedException ignored) { 19962 } 19963 19964 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19965 final int progress = 10 + (int) MathUtils.constrain( 19966 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19967 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19968 } 19969 } 19970 }.start(); 19971 19972 final String dataAppName = codeFile.getName(); 19973 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19974 dataAppName, appId, seinfo, targetSdkVersion); 19975 } else { 19976 move = null; 19977 } 19978 19979 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19980 19981 final Message msg = mHandler.obtainMessage(INIT_COPY); 19982 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19983 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19984 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19985 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19986 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19987 msg.obj = params; 19988 19989 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19990 System.identityHashCode(msg.obj)); 19991 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19992 System.identityHashCode(msg.obj)); 19993 19994 mHandler.sendMessage(msg); 19995 } 19996 19997 @Override 19998 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19999 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20000 20001 final int realMoveId = mNextMoveId.getAndIncrement(); 20002 final Bundle extras = new Bundle(); 20003 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20004 mMoveCallbacks.notifyCreated(realMoveId, extras); 20005 20006 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20007 @Override 20008 public void onCreated(int moveId, Bundle extras) { 20009 // Ignored 20010 } 20011 20012 @Override 20013 public void onStatusChanged(int moveId, int status, long estMillis) { 20014 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20015 } 20016 }; 20017 20018 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20019 storage.setPrimaryStorageUuid(volumeUuid, callback); 20020 return realMoveId; 20021 } 20022 20023 @Override 20024 public int getMoveStatus(int moveId) { 20025 mContext.enforceCallingOrSelfPermission( 20026 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20027 return mMoveCallbacks.mLastStatus.get(moveId); 20028 } 20029 20030 @Override 20031 public void registerMoveCallback(IPackageMoveObserver callback) { 20032 mContext.enforceCallingOrSelfPermission( 20033 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20034 mMoveCallbacks.register(callback); 20035 } 20036 20037 @Override 20038 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20039 mContext.enforceCallingOrSelfPermission( 20040 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20041 mMoveCallbacks.unregister(callback); 20042 } 20043 20044 @Override 20045 public boolean setInstallLocation(int loc) { 20046 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20047 null); 20048 if (getInstallLocation() == loc) { 20049 return true; 20050 } 20051 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20052 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20053 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20054 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20055 return true; 20056 } 20057 return false; 20058 } 20059 20060 @Override 20061 public int getInstallLocation() { 20062 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20063 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20064 PackageHelper.APP_INSTALL_AUTO); 20065 } 20066 20067 /** Called by UserManagerService */ 20068 void cleanUpUser(UserManagerService userManager, int userHandle) { 20069 synchronized (mPackages) { 20070 mDirtyUsers.remove(userHandle); 20071 mUserNeedsBadging.delete(userHandle); 20072 mSettings.removeUserLPw(userHandle); 20073 mPendingBroadcasts.remove(userHandle); 20074 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20075 removeUnusedPackagesLPw(userManager, userHandle); 20076 } 20077 } 20078 20079 /** 20080 * We're removing userHandle and would like to remove any downloaded packages 20081 * that are no longer in use by any other user. 20082 * @param userHandle the user being removed 20083 */ 20084 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20085 final boolean DEBUG_CLEAN_APKS = false; 20086 int [] users = userManager.getUserIds(); 20087 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20088 while (psit.hasNext()) { 20089 PackageSetting ps = psit.next(); 20090 if (ps.pkg == null) { 20091 continue; 20092 } 20093 final String packageName = ps.pkg.packageName; 20094 // Skip over if system app 20095 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20096 continue; 20097 } 20098 if (DEBUG_CLEAN_APKS) { 20099 Slog.i(TAG, "Checking package " + packageName); 20100 } 20101 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20102 if (keep) { 20103 if (DEBUG_CLEAN_APKS) { 20104 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20105 } 20106 } else { 20107 for (int i = 0; i < users.length; i++) { 20108 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20109 keep = true; 20110 if (DEBUG_CLEAN_APKS) { 20111 Slog.i(TAG, " Keeping package " + packageName + " for user " 20112 + users[i]); 20113 } 20114 break; 20115 } 20116 } 20117 } 20118 if (!keep) { 20119 if (DEBUG_CLEAN_APKS) { 20120 Slog.i(TAG, " Removing package " + packageName); 20121 } 20122 mHandler.post(new Runnable() { 20123 public void run() { 20124 deletePackageX(packageName, userHandle, 0); 20125 } //end run 20126 }); 20127 } 20128 } 20129 } 20130 20131 /** Called by UserManagerService */ 20132 void createNewUser(int userId) { 20133 synchronized (mInstallLock) { 20134 mSettings.createNewUserLI(this, mInstaller, userId); 20135 } 20136 synchronized (mPackages) { 20137 scheduleWritePackageRestrictionsLocked(userId); 20138 scheduleWritePackageListLocked(userId); 20139 applyFactoryDefaultBrowserLPw(userId); 20140 primeDomainVerificationsLPw(userId); 20141 } 20142 } 20143 20144 void onBeforeUserStartUninitialized(final int userId) { 20145 synchronized (mPackages) { 20146 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20147 return; 20148 } 20149 } 20150 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20151 // If permission review for legacy apps is required, we represent 20152 // dagerous permissions for such apps as always granted runtime 20153 // permissions to keep per user flag state whether review is needed. 20154 // Hence, if a new user is added we have to propagate dangerous 20155 // permission grants for these legacy apps. 20156 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20157 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20158 | UPDATE_PERMISSIONS_REPLACE_ALL); 20159 } 20160 } 20161 20162 @Override 20163 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20164 mContext.enforceCallingOrSelfPermission( 20165 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20166 "Only package verification agents can read the verifier device identity"); 20167 20168 synchronized (mPackages) { 20169 return mSettings.getVerifierDeviceIdentityLPw(); 20170 } 20171 } 20172 20173 @Override 20174 public void setPermissionEnforced(String permission, boolean enforced) { 20175 // TODO: Now that we no longer change GID for storage, this should to away. 20176 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20177 "setPermissionEnforced"); 20178 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20179 synchronized (mPackages) { 20180 if (mSettings.mReadExternalStorageEnforced == null 20181 || mSettings.mReadExternalStorageEnforced != enforced) { 20182 mSettings.mReadExternalStorageEnforced = enforced; 20183 mSettings.writeLPr(); 20184 } 20185 } 20186 // kill any non-foreground processes so we restart them and 20187 // grant/revoke the GID. 20188 final IActivityManager am = ActivityManagerNative.getDefault(); 20189 if (am != null) { 20190 final long token = Binder.clearCallingIdentity(); 20191 try { 20192 am.killProcessesBelowForeground("setPermissionEnforcement"); 20193 } catch (RemoteException e) { 20194 } finally { 20195 Binder.restoreCallingIdentity(token); 20196 } 20197 } 20198 } else { 20199 throw new IllegalArgumentException("No selective enforcement for " + permission); 20200 } 20201 } 20202 20203 @Override 20204 @Deprecated 20205 public boolean isPermissionEnforced(String permission) { 20206 return true; 20207 } 20208 20209 @Override 20210 public boolean isStorageLow() { 20211 final long token = Binder.clearCallingIdentity(); 20212 try { 20213 final DeviceStorageMonitorInternal 20214 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20215 if (dsm != null) { 20216 return dsm.isMemoryLow(); 20217 } else { 20218 return false; 20219 } 20220 } finally { 20221 Binder.restoreCallingIdentity(token); 20222 } 20223 } 20224 20225 @Override 20226 public IPackageInstaller getPackageInstaller() { 20227 return mInstallerService; 20228 } 20229 20230 private boolean userNeedsBadging(int userId) { 20231 int index = mUserNeedsBadging.indexOfKey(userId); 20232 if (index < 0) { 20233 final UserInfo userInfo; 20234 final long token = Binder.clearCallingIdentity(); 20235 try { 20236 userInfo = sUserManager.getUserInfo(userId); 20237 } finally { 20238 Binder.restoreCallingIdentity(token); 20239 } 20240 final boolean b; 20241 if (userInfo != null && userInfo.isManagedProfile()) { 20242 b = true; 20243 } else { 20244 b = false; 20245 } 20246 mUserNeedsBadging.put(userId, b); 20247 return b; 20248 } 20249 return mUserNeedsBadging.valueAt(index); 20250 } 20251 20252 @Override 20253 public KeySet getKeySetByAlias(String packageName, String alias) { 20254 if (packageName == null || alias == null) { 20255 return null; 20256 } 20257 synchronized(mPackages) { 20258 final PackageParser.Package pkg = mPackages.get(packageName); 20259 if (pkg == null) { 20260 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20261 throw new IllegalArgumentException("Unknown package: " + packageName); 20262 } 20263 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20264 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20265 } 20266 } 20267 20268 @Override 20269 public KeySet getSigningKeySet(String packageName) { 20270 if (packageName == null) { 20271 return null; 20272 } 20273 synchronized(mPackages) { 20274 final PackageParser.Package pkg = mPackages.get(packageName); 20275 if (pkg == null) { 20276 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20277 throw new IllegalArgumentException("Unknown package: " + packageName); 20278 } 20279 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20280 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20281 throw new SecurityException("May not access signing KeySet of other apps."); 20282 } 20283 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20284 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20285 } 20286 } 20287 20288 @Override 20289 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20290 if (packageName == null || ks == null) { 20291 return false; 20292 } 20293 synchronized(mPackages) { 20294 final PackageParser.Package pkg = mPackages.get(packageName); 20295 if (pkg == null) { 20296 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20297 throw new IllegalArgumentException("Unknown package: " + packageName); 20298 } 20299 IBinder ksh = ks.getToken(); 20300 if (ksh instanceof KeySetHandle) { 20301 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20302 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20303 } 20304 return false; 20305 } 20306 } 20307 20308 @Override 20309 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20310 if (packageName == null || ks == null) { 20311 return false; 20312 } 20313 synchronized(mPackages) { 20314 final PackageParser.Package pkg = mPackages.get(packageName); 20315 if (pkg == null) { 20316 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20317 throw new IllegalArgumentException("Unknown package: " + packageName); 20318 } 20319 IBinder ksh = ks.getToken(); 20320 if (ksh instanceof KeySetHandle) { 20321 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20322 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20323 } 20324 return false; 20325 } 20326 } 20327 20328 private void deletePackageIfUnusedLPr(final String packageName) { 20329 PackageSetting ps = mSettings.mPackages.get(packageName); 20330 if (ps == null) { 20331 return; 20332 } 20333 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20334 // TODO Implement atomic delete if package is unused 20335 // It is currently possible that the package will be deleted even if it is installed 20336 // after this method returns. 20337 mHandler.post(new Runnable() { 20338 public void run() { 20339 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20340 } 20341 }); 20342 } 20343 } 20344 20345 /** 20346 * Check and throw if the given before/after packages would be considered a 20347 * downgrade. 20348 */ 20349 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20350 throws PackageManagerException { 20351 if (after.versionCode < before.mVersionCode) { 20352 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20353 "Update version code " + after.versionCode + " is older than current " 20354 + before.mVersionCode); 20355 } else if (after.versionCode == before.mVersionCode) { 20356 if (after.baseRevisionCode < before.baseRevisionCode) { 20357 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20358 "Update base revision code " + after.baseRevisionCode 20359 + " is older than current " + before.baseRevisionCode); 20360 } 20361 20362 if (!ArrayUtils.isEmpty(after.splitNames)) { 20363 for (int i = 0; i < after.splitNames.length; i++) { 20364 final String splitName = after.splitNames[i]; 20365 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20366 if (j != -1) { 20367 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20368 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20369 "Update split " + splitName + " revision code " 20370 + after.splitRevisionCodes[i] + " is older than current " 20371 + before.splitRevisionCodes[j]); 20372 } 20373 } 20374 } 20375 } 20376 } 20377 } 20378 20379 private static class MoveCallbacks extends Handler { 20380 private static final int MSG_CREATED = 1; 20381 private static final int MSG_STATUS_CHANGED = 2; 20382 20383 private final RemoteCallbackList<IPackageMoveObserver> 20384 mCallbacks = new RemoteCallbackList<>(); 20385 20386 private final SparseIntArray mLastStatus = new SparseIntArray(); 20387 20388 public MoveCallbacks(Looper looper) { 20389 super(looper); 20390 } 20391 20392 public void register(IPackageMoveObserver callback) { 20393 mCallbacks.register(callback); 20394 } 20395 20396 public void unregister(IPackageMoveObserver callback) { 20397 mCallbacks.unregister(callback); 20398 } 20399 20400 @Override 20401 public void handleMessage(Message msg) { 20402 final SomeArgs args = (SomeArgs) msg.obj; 20403 final int n = mCallbacks.beginBroadcast(); 20404 for (int i = 0; i < n; i++) { 20405 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20406 try { 20407 invokeCallback(callback, msg.what, args); 20408 } catch (RemoteException ignored) { 20409 } 20410 } 20411 mCallbacks.finishBroadcast(); 20412 args.recycle(); 20413 } 20414 20415 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20416 throws RemoteException { 20417 switch (what) { 20418 case MSG_CREATED: { 20419 callback.onCreated(args.argi1, (Bundle) args.arg2); 20420 break; 20421 } 20422 case MSG_STATUS_CHANGED: { 20423 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20424 break; 20425 } 20426 } 20427 } 20428 20429 private void notifyCreated(int moveId, Bundle extras) { 20430 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20431 20432 final SomeArgs args = SomeArgs.obtain(); 20433 args.argi1 = moveId; 20434 args.arg2 = extras; 20435 obtainMessage(MSG_CREATED, args).sendToTarget(); 20436 } 20437 20438 private void notifyStatusChanged(int moveId, int status) { 20439 notifyStatusChanged(moveId, status, -1); 20440 } 20441 20442 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20443 Slog.v(TAG, "Move " + moveId + " status " + status); 20444 20445 final SomeArgs args = SomeArgs.obtain(); 20446 args.argi1 = moveId; 20447 args.argi2 = status; 20448 args.arg3 = estMillis; 20449 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20450 20451 synchronized (mLastStatus) { 20452 mLastStatus.put(moveId, status); 20453 } 20454 } 20455 } 20456 20457 private final static class OnPermissionChangeListeners extends Handler { 20458 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20459 20460 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20461 new RemoteCallbackList<>(); 20462 20463 public OnPermissionChangeListeners(Looper looper) { 20464 super(looper); 20465 } 20466 20467 @Override 20468 public void handleMessage(Message msg) { 20469 switch (msg.what) { 20470 case MSG_ON_PERMISSIONS_CHANGED: { 20471 final int uid = msg.arg1; 20472 handleOnPermissionsChanged(uid); 20473 } break; 20474 } 20475 } 20476 20477 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20478 mPermissionListeners.register(listener); 20479 20480 } 20481 20482 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20483 mPermissionListeners.unregister(listener); 20484 } 20485 20486 public void onPermissionsChanged(int uid) { 20487 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20488 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20489 } 20490 } 20491 20492 private void handleOnPermissionsChanged(int uid) { 20493 final int count = mPermissionListeners.beginBroadcast(); 20494 try { 20495 for (int i = 0; i < count; i++) { 20496 IOnPermissionsChangeListener callback = mPermissionListeners 20497 .getBroadcastItem(i); 20498 try { 20499 callback.onPermissionsChanged(uid); 20500 } catch (RemoteException e) { 20501 Log.e(TAG, "Permission listener is dead", e); 20502 } 20503 } 20504 } finally { 20505 mPermissionListeners.finishBroadcast(); 20506 } 20507 } 20508 } 20509 20510 private class PackageManagerInternalImpl extends PackageManagerInternal { 20511 @Override 20512 public void setLocationPackagesProvider(PackagesProvider provider) { 20513 synchronized (mPackages) { 20514 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20515 } 20516 } 20517 20518 @Override 20519 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20520 synchronized (mPackages) { 20521 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20522 } 20523 } 20524 20525 @Override 20526 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20527 synchronized (mPackages) { 20528 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20529 } 20530 } 20531 20532 @Override 20533 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20534 synchronized (mPackages) { 20535 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20536 } 20537 } 20538 20539 @Override 20540 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20541 synchronized (mPackages) { 20542 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20543 } 20544 } 20545 20546 @Override 20547 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20548 synchronized (mPackages) { 20549 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20550 } 20551 } 20552 20553 @Override 20554 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20555 synchronized (mPackages) { 20556 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20557 packageName, userId); 20558 } 20559 } 20560 20561 @Override 20562 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20563 synchronized (mPackages) { 20564 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20565 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20566 packageName, userId); 20567 } 20568 } 20569 20570 @Override 20571 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20572 synchronized (mPackages) { 20573 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20574 packageName, userId); 20575 } 20576 } 20577 20578 @Override 20579 public void setKeepUninstalledPackages(final List<String> packageList) { 20580 Preconditions.checkNotNull(packageList); 20581 List<String> removedFromList = null; 20582 synchronized (mPackages) { 20583 if (mKeepUninstalledPackages != null) { 20584 final int packagesCount = mKeepUninstalledPackages.size(); 20585 for (int i = 0; i < packagesCount; i++) { 20586 String oldPackage = mKeepUninstalledPackages.get(i); 20587 if (packageList != null && packageList.contains(oldPackage)) { 20588 continue; 20589 } 20590 if (removedFromList == null) { 20591 removedFromList = new ArrayList<>(); 20592 } 20593 removedFromList.add(oldPackage); 20594 } 20595 } 20596 mKeepUninstalledPackages = new ArrayList<>(packageList); 20597 if (removedFromList != null) { 20598 final int removedCount = removedFromList.size(); 20599 for (int i = 0; i < removedCount; i++) { 20600 deletePackageIfUnusedLPr(removedFromList.get(i)); 20601 } 20602 } 20603 } 20604 } 20605 20606 @Override 20607 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20608 synchronized (mPackages) { 20609 // If we do not support permission review, done. 20610 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20611 return false; 20612 } 20613 20614 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20615 if (packageSetting == null) { 20616 return false; 20617 } 20618 20619 // Permission review applies only to apps not supporting the new permission model. 20620 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20621 return false; 20622 } 20623 20624 // Legacy apps have the permission and get user consent on launch. 20625 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20626 return permissionsState.isPermissionReviewRequired(userId); 20627 } 20628 } 20629 20630 @Override 20631 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20632 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20633 } 20634 20635 @Override 20636 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20637 int userId) { 20638 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20639 } 20640 } 20641 20642 @Override 20643 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20644 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20645 synchronized (mPackages) { 20646 final long identity = Binder.clearCallingIdentity(); 20647 try { 20648 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20649 packageNames, userId); 20650 } finally { 20651 Binder.restoreCallingIdentity(identity); 20652 } 20653 } 20654 } 20655 20656 private static void enforceSystemOrPhoneCaller(String tag) { 20657 int callingUid = Binder.getCallingUid(); 20658 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20659 throw new SecurityException( 20660 "Cannot call " + tag + " from UID " + callingUid); 20661 } 20662 } 20663 20664 boolean isHistoricalPackageUsageAvailable() { 20665 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20666 } 20667 20668 /** 20669 * Return a <b>copy</b> of the collection of packages known to the package manager. 20670 * @return A copy of the values of mPackages. 20671 */ 20672 Collection<PackageParser.Package> getPackages() { 20673 synchronized (mPackages) { 20674 return new ArrayList<>(mPackages.values()); 20675 } 20676 } 20677 20678 /** 20679 * Logs process start information (including base APK hash) to the security log. 20680 * @hide 20681 */ 20682 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20683 String apkFile, int pid) { 20684 if (!SecurityLog.isLoggingEnabled()) { 20685 return; 20686 } 20687 Bundle data = new Bundle(); 20688 data.putLong("startTimestamp", System.currentTimeMillis()); 20689 data.putString("processName", processName); 20690 data.putInt("uid", uid); 20691 data.putString("seinfo", seinfo); 20692 data.putString("apkFile", apkFile); 20693 data.putInt("pid", pid); 20694 Message msg = mProcessLoggingHandler.obtainMessage( 20695 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20696 msg.setData(data); 20697 mProcessLoggingHandler.sendMessage(msg); 20698 } 20699} 20700