PackageManagerService.java revision 93193135b184a2f1c7518d8beeff7c51b2880606
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 } 2727 ver.fingerprint = Build.FINGERPRINT; 2728 } 2729 2730 checkDefaultBrowser(); 2731 2732 // clear only after permissions and other defaults have been updated 2733 mExistingSystemPackages.clear(); 2734 mPromoteSystemApps = false; 2735 2736 // All the changes are done during package scanning. 2737 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2738 2739 // can downgrade to reader 2740 mSettings.writeLPr(); 2741 2742 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2743 SystemClock.uptimeMillis()); 2744 2745 if (!mOnlyCore) { 2746 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2747 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2748 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2749 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2750 mIntentFilterVerifierComponent); 2751 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2752 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2753 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2754 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2755 } else { 2756 mRequiredVerifierPackage = null; 2757 mRequiredInstallerPackage = null; 2758 mIntentFilterVerifierComponent = null; 2759 mIntentFilterVerifier = null; 2760 mServicesSystemSharedLibraryPackageName = null; 2761 mSharedSystemSharedLibraryPackageName = null; 2762 } 2763 2764 mInstallerService = new PackageInstallerService(context, this); 2765 2766 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2767 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2768 // both the installer and resolver must be present to enable ephemeral 2769 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2770 if (DEBUG_EPHEMERAL) { 2771 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2772 + " installer:" + ephemeralInstallerComponent); 2773 } 2774 mEphemeralResolverComponent = ephemeralResolverComponent; 2775 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2776 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2777 mEphemeralResolverConnection = 2778 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2779 } else { 2780 if (DEBUG_EPHEMERAL) { 2781 final String missingComponent = 2782 (ephemeralResolverComponent == null) 2783 ? (ephemeralInstallerComponent == null) 2784 ? "resolver and installer" 2785 : "resolver" 2786 : "installer"; 2787 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2788 } 2789 mEphemeralResolverComponent = null; 2790 mEphemeralInstallerComponent = null; 2791 mEphemeralResolverConnection = null; 2792 } 2793 2794 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2795 } // synchronized (mPackages) 2796 } // synchronized (mInstallLock) 2797 2798 // Now after opening every single application zip, make sure they 2799 // are all flushed. Not really needed, but keeps things nice and 2800 // tidy. 2801 Runtime.getRuntime().gc(); 2802 2803 // The initial scanning above does many calls into installd while 2804 // holding the mPackages lock, but we're mostly interested in yelling 2805 // once we have a booted system. 2806 mInstaller.setWarnIfHeld(mPackages); 2807 2808 // Expose private service for system components to use. 2809 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2810 } 2811 2812 @Override 2813 public boolean isFirstBoot() { 2814 return !mRestoredSettings; 2815 } 2816 2817 @Override 2818 public boolean isOnlyCoreApps() { 2819 return mOnlyCore; 2820 } 2821 2822 @Override 2823 public boolean isUpgrade() { 2824 return mIsUpgrade; 2825 } 2826 2827 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2828 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2829 2830 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2831 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2832 UserHandle.USER_SYSTEM); 2833 if (matches.size() == 1) { 2834 return matches.get(0).getComponentInfo().packageName; 2835 } else { 2836 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2837 return null; 2838 } 2839 } 2840 2841 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2842 synchronized (mPackages) { 2843 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2844 if (libraryEntry == null) { 2845 throw new IllegalStateException("Missing required shared library:" + libraryName); 2846 } 2847 return libraryEntry.apk; 2848 } 2849 } 2850 2851 private @NonNull String getRequiredInstallerLPr() { 2852 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2853 intent.addCategory(Intent.CATEGORY_DEFAULT); 2854 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2855 2856 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2857 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2858 UserHandle.USER_SYSTEM); 2859 if (matches.size() == 1) { 2860 ResolveInfo resolveInfo = matches.get(0); 2861 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2862 throw new RuntimeException("The installer must be a privileged app"); 2863 } 2864 return matches.get(0).getComponentInfo().packageName; 2865 } else { 2866 throw new RuntimeException("There must be exactly one installer; found " + matches); 2867 } 2868 } 2869 2870 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2871 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2872 2873 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2874 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2875 UserHandle.USER_SYSTEM); 2876 ResolveInfo best = null; 2877 final int N = matches.size(); 2878 for (int i = 0; i < N; i++) { 2879 final ResolveInfo cur = matches.get(i); 2880 final String packageName = cur.getComponentInfo().packageName; 2881 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2882 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2883 continue; 2884 } 2885 2886 if (best == null || cur.priority > best.priority) { 2887 best = cur; 2888 } 2889 } 2890 2891 if (best != null) { 2892 return best.getComponentInfo().getComponentName(); 2893 } else { 2894 throw new RuntimeException("There must be at least one intent filter verifier"); 2895 } 2896 } 2897 2898 private @Nullable ComponentName getEphemeralResolverLPr() { 2899 final String[] packageArray = 2900 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2901 if (packageArray.length == 0) { 2902 if (DEBUG_EPHEMERAL) { 2903 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2904 } 2905 return null; 2906 } 2907 2908 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2909 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2910 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2911 UserHandle.USER_SYSTEM); 2912 2913 final int N = resolvers.size(); 2914 if (N == 0) { 2915 if (DEBUG_EPHEMERAL) { 2916 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2917 } 2918 return null; 2919 } 2920 2921 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2922 for (int i = 0; i < N; i++) { 2923 final ResolveInfo info = resolvers.get(i); 2924 2925 if (info.serviceInfo == null) { 2926 continue; 2927 } 2928 2929 final String packageName = info.serviceInfo.packageName; 2930 if (!possiblePackages.contains(packageName)) { 2931 if (DEBUG_EPHEMERAL) { 2932 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2933 + " pkg: " + packageName + ", info:" + info); 2934 } 2935 continue; 2936 } 2937 2938 if (DEBUG_EPHEMERAL) { 2939 Slog.v(TAG, "Ephemeral resolver found;" 2940 + " pkg: " + packageName + ", info:" + info); 2941 } 2942 return new ComponentName(packageName, info.serviceInfo.name); 2943 } 2944 if (DEBUG_EPHEMERAL) { 2945 Slog.v(TAG, "Ephemeral resolver NOT found"); 2946 } 2947 return null; 2948 } 2949 2950 private @Nullable ComponentName getEphemeralInstallerLPr() { 2951 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2952 intent.addCategory(Intent.CATEGORY_DEFAULT); 2953 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2954 2955 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2956 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2957 UserHandle.USER_SYSTEM); 2958 if (matches.size() == 0) { 2959 return null; 2960 } else if (matches.size() == 1) { 2961 return matches.get(0).getComponentInfo().getComponentName(); 2962 } else { 2963 throw new RuntimeException( 2964 "There must be at most one ephemeral installer; found " + matches); 2965 } 2966 } 2967 2968 private void primeDomainVerificationsLPw(int userId) { 2969 if (DEBUG_DOMAIN_VERIFICATION) { 2970 Slog.d(TAG, "Priming domain verifications in user " + userId); 2971 } 2972 2973 SystemConfig systemConfig = SystemConfig.getInstance(); 2974 ArraySet<String> packages = systemConfig.getLinkedApps(); 2975 ArraySet<String> domains = new ArraySet<String>(); 2976 2977 for (String packageName : packages) { 2978 PackageParser.Package pkg = mPackages.get(packageName); 2979 if (pkg != null) { 2980 if (!pkg.isSystemApp()) { 2981 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2982 continue; 2983 } 2984 2985 domains.clear(); 2986 for (PackageParser.Activity a : pkg.activities) { 2987 for (ActivityIntentInfo filter : a.intents) { 2988 if (hasValidDomains(filter)) { 2989 domains.addAll(filter.getHostsList()); 2990 } 2991 } 2992 } 2993 2994 if (domains.size() > 0) { 2995 if (DEBUG_DOMAIN_VERIFICATION) { 2996 Slog.v(TAG, " + " + packageName); 2997 } 2998 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2999 // state w.r.t. the formal app-linkage "no verification attempted" state; 3000 // and then 'always' in the per-user state actually used for intent resolution. 3001 final IntentFilterVerificationInfo ivi; 3002 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 3003 new ArrayList<String>(domains)); 3004 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3005 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3006 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3007 } else { 3008 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3009 + "' does not handle web links"); 3010 } 3011 } else { 3012 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3013 } 3014 } 3015 3016 scheduleWritePackageRestrictionsLocked(userId); 3017 scheduleWriteSettingsLocked(); 3018 } 3019 3020 private void applyFactoryDefaultBrowserLPw(int userId) { 3021 // The default browser app's package name is stored in a string resource, 3022 // with a product-specific overlay used for vendor customization. 3023 String browserPkg = mContext.getResources().getString( 3024 com.android.internal.R.string.default_browser); 3025 if (!TextUtils.isEmpty(browserPkg)) { 3026 // non-empty string => required to be a known package 3027 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3028 if (ps == null) { 3029 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3030 browserPkg = null; 3031 } else { 3032 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3033 } 3034 } 3035 3036 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3037 // default. If there's more than one, just leave everything alone. 3038 if (browserPkg == null) { 3039 calculateDefaultBrowserLPw(userId); 3040 } 3041 } 3042 3043 private void calculateDefaultBrowserLPw(int userId) { 3044 List<String> allBrowsers = resolveAllBrowserApps(userId); 3045 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3046 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3047 } 3048 3049 private List<String> resolveAllBrowserApps(int userId) { 3050 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3051 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3052 PackageManager.MATCH_ALL, userId); 3053 3054 final int count = list.size(); 3055 List<String> result = new ArrayList<String>(count); 3056 for (int i=0; i<count; i++) { 3057 ResolveInfo info = list.get(i); 3058 if (info.activityInfo == null 3059 || !info.handleAllWebDataURI 3060 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3061 || result.contains(info.activityInfo.packageName)) { 3062 continue; 3063 } 3064 result.add(info.activityInfo.packageName); 3065 } 3066 3067 return result; 3068 } 3069 3070 private boolean packageIsBrowser(String packageName, int userId) { 3071 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3072 PackageManager.MATCH_ALL, userId); 3073 final int N = list.size(); 3074 for (int i = 0; i < N; i++) { 3075 ResolveInfo info = list.get(i); 3076 if (packageName.equals(info.activityInfo.packageName)) { 3077 return true; 3078 } 3079 } 3080 return false; 3081 } 3082 3083 private void checkDefaultBrowser() { 3084 final int myUserId = UserHandle.myUserId(); 3085 final String packageName = getDefaultBrowserPackageName(myUserId); 3086 if (packageName != null) { 3087 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3088 if (info == null) { 3089 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3090 synchronized (mPackages) { 3091 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3092 } 3093 } 3094 } 3095 } 3096 3097 @Override 3098 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3099 throws RemoteException { 3100 try { 3101 return super.onTransact(code, data, reply, flags); 3102 } catch (RuntimeException e) { 3103 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3104 Slog.wtf(TAG, "Package Manager Crash", e); 3105 } 3106 throw e; 3107 } 3108 } 3109 3110 static int[] appendInts(int[] cur, int[] add) { 3111 if (add == null) return cur; 3112 if (cur == null) return add; 3113 final int N = add.length; 3114 for (int i=0; i<N; i++) { 3115 cur = appendInt(cur, add[i]); 3116 } 3117 return cur; 3118 } 3119 3120 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3121 if (!sUserManager.exists(userId)) return null; 3122 if (ps == null) { 3123 return null; 3124 } 3125 final PackageParser.Package p = ps.pkg; 3126 if (p == null) { 3127 return null; 3128 } 3129 3130 final PermissionsState permissionsState = ps.getPermissionsState(); 3131 3132 final int[] gids = permissionsState.computeGids(userId); 3133 final Set<String> permissions = permissionsState.getPermissions(userId); 3134 final PackageUserState state = ps.readUserState(userId); 3135 3136 return PackageParser.generatePackageInfo(p, gids, flags, 3137 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3138 } 3139 3140 @Override 3141 public void checkPackageStartable(String packageName, int userId) { 3142 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3143 3144 synchronized (mPackages) { 3145 final PackageSetting ps = mSettings.mPackages.get(packageName); 3146 if (ps == null) { 3147 throw new SecurityException("Package " + packageName + " was not found!"); 3148 } 3149 3150 if (!ps.getInstalled(userId)) { 3151 throw new SecurityException( 3152 "Package " + packageName + " was not installed for user " + userId + "!"); 3153 } 3154 3155 if (mSafeMode && !ps.isSystem()) { 3156 throw new SecurityException("Package " + packageName + " not a system app!"); 3157 } 3158 3159 if (mFrozenPackages.contains(packageName)) { 3160 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3161 } 3162 3163 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3164 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3165 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3166 } 3167 } 3168 } 3169 3170 @Override 3171 public boolean isPackageAvailable(String packageName, int userId) { 3172 if (!sUserManager.exists(userId)) return false; 3173 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3174 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3175 synchronized (mPackages) { 3176 PackageParser.Package p = mPackages.get(packageName); 3177 if (p != null) { 3178 final PackageSetting ps = (PackageSetting) p.mExtras; 3179 if (ps != null) { 3180 final PackageUserState state = ps.readUserState(userId); 3181 if (state != null) { 3182 return PackageParser.isAvailable(state); 3183 } 3184 } 3185 } 3186 } 3187 return false; 3188 } 3189 3190 @Override 3191 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3192 if (!sUserManager.exists(userId)) return null; 3193 flags = updateFlagsForPackage(flags, userId, packageName); 3194 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3195 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3196 // reader 3197 synchronized (mPackages) { 3198 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3199 PackageParser.Package p = null; 3200 if (matchFactoryOnly) { 3201 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3202 if (ps != null) { 3203 return generatePackageInfo(ps, flags, userId); 3204 } 3205 } 3206 if (p == null) { 3207 p = mPackages.get(packageName); 3208 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3209 return null; 3210 } 3211 } 3212 if (DEBUG_PACKAGE_INFO) 3213 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3214 if (p != null) { 3215 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3216 } 3217 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3218 final PackageSetting ps = mSettings.mPackages.get(packageName); 3219 return generatePackageInfo(ps, flags, userId); 3220 } 3221 } 3222 return null; 3223 } 3224 3225 @Override 3226 public String[] currentToCanonicalPackageNames(String[] names) { 3227 String[] out = new String[names.length]; 3228 // reader 3229 synchronized (mPackages) { 3230 for (int i=names.length-1; i>=0; i--) { 3231 PackageSetting ps = mSettings.mPackages.get(names[i]); 3232 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3233 } 3234 } 3235 return out; 3236 } 3237 3238 @Override 3239 public String[] canonicalToCurrentPackageNames(String[] names) { 3240 String[] out = new String[names.length]; 3241 // reader 3242 synchronized (mPackages) { 3243 for (int i=names.length-1; i>=0; i--) { 3244 String cur = mSettings.mRenamedPackages.get(names[i]); 3245 out[i] = cur != null ? cur : names[i]; 3246 } 3247 } 3248 return out; 3249 } 3250 3251 @Override 3252 public int getPackageUid(String packageName, int flags, int userId) { 3253 if (!sUserManager.exists(userId)) return -1; 3254 flags = updateFlagsForPackage(flags, userId, packageName); 3255 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3256 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3257 3258 // reader 3259 synchronized (mPackages) { 3260 final PackageParser.Package p = mPackages.get(packageName); 3261 if (p != null && p.isMatch(flags)) { 3262 return UserHandle.getUid(userId, p.applicationInfo.uid); 3263 } 3264 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3265 final PackageSetting ps = mSettings.mPackages.get(packageName); 3266 if (ps != null && ps.isMatch(flags)) { 3267 return UserHandle.getUid(userId, ps.appId); 3268 } 3269 } 3270 } 3271 3272 return -1; 3273 } 3274 3275 @Override 3276 public int[] getPackageGids(String packageName, int flags, int userId) { 3277 if (!sUserManager.exists(userId)) return null; 3278 flags = updateFlagsForPackage(flags, userId, packageName); 3279 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3280 false /* requireFullPermission */, false /* checkShell */, 3281 "getPackageGids"); 3282 3283 // reader 3284 synchronized (mPackages) { 3285 final PackageParser.Package p = mPackages.get(packageName); 3286 if (p != null && p.isMatch(flags)) { 3287 PackageSetting ps = (PackageSetting) p.mExtras; 3288 return ps.getPermissionsState().computeGids(userId); 3289 } 3290 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3291 final PackageSetting ps = mSettings.mPackages.get(packageName); 3292 if (ps != null && ps.isMatch(flags)) { 3293 return ps.getPermissionsState().computeGids(userId); 3294 } 3295 } 3296 } 3297 3298 return null; 3299 } 3300 3301 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3302 if (bp.perm != null) { 3303 return PackageParser.generatePermissionInfo(bp.perm, flags); 3304 } 3305 PermissionInfo pi = new PermissionInfo(); 3306 pi.name = bp.name; 3307 pi.packageName = bp.sourcePackage; 3308 pi.nonLocalizedLabel = bp.name; 3309 pi.protectionLevel = bp.protectionLevel; 3310 return pi; 3311 } 3312 3313 @Override 3314 public PermissionInfo getPermissionInfo(String name, int flags) { 3315 // reader 3316 synchronized (mPackages) { 3317 final BasePermission p = mSettings.mPermissions.get(name); 3318 if (p != null) { 3319 return generatePermissionInfo(p, flags); 3320 } 3321 return null; 3322 } 3323 } 3324 3325 @Override 3326 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3327 int flags) { 3328 // reader 3329 synchronized (mPackages) { 3330 if (group != null && !mPermissionGroups.containsKey(group)) { 3331 // This is thrown as NameNotFoundException 3332 return null; 3333 } 3334 3335 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3336 for (BasePermission p : mSettings.mPermissions.values()) { 3337 if (group == null) { 3338 if (p.perm == null || p.perm.info.group == null) { 3339 out.add(generatePermissionInfo(p, flags)); 3340 } 3341 } else { 3342 if (p.perm != null && group.equals(p.perm.info.group)) { 3343 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3344 } 3345 } 3346 } 3347 return new ParceledListSlice<>(out); 3348 } 3349 } 3350 3351 @Override 3352 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3353 // reader 3354 synchronized (mPackages) { 3355 return PackageParser.generatePermissionGroupInfo( 3356 mPermissionGroups.get(name), flags); 3357 } 3358 } 3359 3360 @Override 3361 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3362 // reader 3363 synchronized (mPackages) { 3364 final int N = mPermissionGroups.size(); 3365 ArrayList<PermissionGroupInfo> out 3366 = new ArrayList<PermissionGroupInfo>(N); 3367 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3368 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3369 } 3370 return new ParceledListSlice<>(out); 3371 } 3372 } 3373 3374 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3375 int userId) { 3376 if (!sUserManager.exists(userId)) return null; 3377 PackageSetting ps = mSettings.mPackages.get(packageName); 3378 if (ps != null) { 3379 if (ps.pkg == null) { 3380 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3381 if (pInfo != null) { 3382 return pInfo.applicationInfo; 3383 } 3384 return null; 3385 } 3386 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3387 ps.readUserState(userId), userId); 3388 } 3389 return null; 3390 } 3391 3392 @Override 3393 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3394 if (!sUserManager.exists(userId)) return null; 3395 flags = updateFlagsForApplication(flags, userId, packageName); 3396 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3397 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3398 // writer 3399 synchronized (mPackages) { 3400 PackageParser.Package p = mPackages.get(packageName); 3401 if (DEBUG_PACKAGE_INFO) Log.v( 3402 TAG, "getApplicationInfo " + packageName 3403 + ": " + p); 3404 if (p != null) { 3405 PackageSetting ps = mSettings.mPackages.get(packageName); 3406 if (ps == null) return null; 3407 // Note: isEnabledLP() does not apply here - always return info 3408 return PackageParser.generateApplicationInfo( 3409 p, flags, ps.readUserState(userId), userId); 3410 } 3411 if ("android".equals(packageName)||"system".equals(packageName)) { 3412 return mAndroidApplication; 3413 } 3414 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3415 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3416 } 3417 } 3418 return null; 3419 } 3420 3421 @Override 3422 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3423 final IPackageDataObserver observer) { 3424 mContext.enforceCallingOrSelfPermission( 3425 android.Manifest.permission.CLEAR_APP_CACHE, null); 3426 // Queue up an async operation since clearing cache may take a little while. 3427 mHandler.post(new Runnable() { 3428 public void run() { 3429 mHandler.removeCallbacks(this); 3430 boolean success = true; 3431 synchronized (mInstallLock) { 3432 try { 3433 mInstaller.freeCache(volumeUuid, freeStorageSize); 3434 } catch (InstallerException e) { 3435 Slog.w(TAG, "Couldn't clear application caches: " + e); 3436 success = false; 3437 } 3438 } 3439 if (observer != null) { 3440 try { 3441 observer.onRemoveCompleted(null, success); 3442 } catch (RemoteException e) { 3443 Slog.w(TAG, "RemoveException when invoking call back"); 3444 } 3445 } 3446 } 3447 }); 3448 } 3449 3450 @Override 3451 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3452 final IntentSender pi) { 3453 mContext.enforceCallingOrSelfPermission( 3454 android.Manifest.permission.CLEAR_APP_CACHE, null); 3455 // Queue up an async operation since clearing cache may take a little while. 3456 mHandler.post(new Runnable() { 3457 public void run() { 3458 mHandler.removeCallbacks(this); 3459 boolean success = true; 3460 synchronized (mInstallLock) { 3461 try { 3462 mInstaller.freeCache(volumeUuid, freeStorageSize); 3463 } catch (InstallerException e) { 3464 Slog.w(TAG, "Couldn't clear application caches: " + e); 3465 success = false; 3466 } 3467 } 3468 if(pi != null) { 3469 try { 3470 // Callback via pending intent 3471 int code = success ? 1 : 0; 3472 pi.sendIntent(null, code, null, 3473 null, null); 3474 } catch (SendIntentException e1) { 3475 Slog.i(TAG, "Failed to send pending intent"); 3476 } 3477 } 3478 } 3479 }); 3480 } 3481 3482 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3483 synchronized (mInstallLock) { 3484 try { 3485 mInstaller.freeCache(volumeUuid, freeStorageSize); 3486 } catch (InstallerException e) { 3487 throw new IOException("Failed to free enough space", e); 3488 } 3489 } 3490 } 3491 3492 /** 3493 * Update given flags based on encryption status of current user. 3494 */ 3495 private int updateFlags(int flags, int userId) { 3496 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3497 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3498 // Caller expressed an explicit opinion about what encryption 3499 // aware/unaware components they want to see, so fall through and 3500 // give them what they want 3501 } else { 3502 // Caller expressed no opinion, so match based on user state 3503 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3504 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3505 } else { 3506 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3507 } 3508 } 3509 return flags; 3510 } 3511 3512 private UserManagerInternal getUserManagerInternal() { 3513 if (mUserManagerInternal == null) { 3514 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3515 } 3516 return mUserManagerInternal; 3517 } 3518 3519 /** 3520 * Update given flags when being used to request {@link PackageInfo}. 3521 */ 3522 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3523 boolean triaged = true; 3524 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3525 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3526 // Caller is asking for component details, so they'd better be 3527 // asking for specific encryption matching behavior, or be triaged 3528 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3529 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3530 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3531 triaged = false; 3532 } 3533 } 3534 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3535 | PackageManager.MATCH_SYSTEM_ONLY 3536 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3537 triaged = false; 3538 } 3539 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3540 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3541 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3542 } 3543 return updateFlags(flags, userId); 3544 } 3545 3546 /** 3547 * Update given flags when being used to request {@link ApplicationInfo}. 3548 */ 3549 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3550 return updateFlagsForPackage(flags, userId, cookie); 3551 } 3552 3553 /** 3554 * Update given flags when being used to request {@link ComponentInfo}. 3555 */ 3556 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3557 if (cookie instanceof Intent) { 3558 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3559 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3560 } 3561 } 3562 3563 boolean triaged = true; 3564 // Caller is asking for component details, so they'd better be 3565 // asking for specific encryption matching behavior, or be triaged 3566 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3567 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3568 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3569 triaged = false; 3570 } 3571 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3572 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3573 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3574 } 3575 3576 return updateFlags(flags, userId); 3577 } 3578 3579 /** 3580 * Update given flags when being used to request {@link ResolveInfo}. 3581 */ 3582 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3583 // Safe mode means we shouldn't match any third-party components 3584 if (mSafeMode) { 3585 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3586 } 3587 3588 return updateFlagsForComponent(flags, userId, cookie); 3589 } 3590 3591 @Override 3592 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3593 if (!sUserManager.exists(userId)) return null; 3594 flags = updateFlagsForComponent(flags, userId, component); 3595 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3596 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3597 synchronized (mPackages) { 3598 PackageParser.Activity a = mActivities.mActivities.get(component); 3599 3600 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3601 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3602 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3603 if (ps == null) return null; 3604 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3605 userId); 3606 } 3607 if (mResolveComponentName.equals(component)) { 3608 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3609 new PackageUserState(), userId); 3610 } 3611 } 3612 return null; 3613 } 3614 3615 @Override 3616 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3617 String resolvedType) { 3618 synchronized (mPackages) { 3619 if (component.equals(mResolveComponentName)) { 3620 // The resolver supports EVERYTHING! 3621 return true; 3622 } 3623 PackageParser.Activity a = mActivities.mActivities.get(component); 3624 if (a == null) { 3625 return false; 3626 } 3627 for (int i=0; i<a.intents.size(); i++) { 3628 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3629 intent.getData(), intent.getCategories(), TAG) >= 0) { 3630 return true; 3631 } 3632 } 3633 return false; 3634 } 3635 } 3636 3637 @Override 3638 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3639 if (!sUserManager.exists(userId)) return null; 3640 flags = updateFlagsForComponent(flags, userId, component); 3641 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3642 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3643 synchronized (mPackages) { 3644 PackageParser.Activity a = mReceivers.mActivities.get(component); 3645 if (DEBUG_PACKAGE_INFO) Log.v( 3646 TAG, "getReceiverInfo " + component + ": " + a); 3647 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3648 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3649 if (ps == null) return null; 3650 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3651 userId); 3652 } 3653 } 3654 return null; 3655 } 3656 3657 @Override 3658 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3659 if (!sUserManager.exists(userId)) return null; 3660 flags = updateFlagsForComponent(flags, userId, component); 3661 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3662 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3663 synchronized (mPackages) { 3664 PackageParser.Service s = mServices.mServices.get(component); 3665 if (DEBUG_PACKAGE_INFO) Log.v( 3666 TAG, "getServiceInfo " + component + ": " + s); 3667 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3668 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3669 if (ps == null) return null; 3670 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3671 userId); 3672 } 3673 } 3674 return null; 3675 } 3676 3677 @Override 3678 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3679 if (!sUserManager.exists(userId)) return null; 3680 flags = updateFlagsForComponent(flags, userId, component); 3681 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3682 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3683 synchronized (mPackages) { 3684 PackageParser.Provider p = mProviders.mProviders.get(component); 3685 if (DEBUG_PACKAGE_INFO) Log.v( 3686 TAG, "getProviderInfo " + component + ": " + p); 3687 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3688 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3689 if (ps == null) return null; 3690 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3691 userId); 3692 } 3693 } 3694 return null; 3695 } 3696 3697 @Override 3698 public String[] getSystemSharedLibraryNames() { 3699 Set<String> libSet; 3700 synchronized (mPackages) { 3701 libSet = mSharedLibraries.keySet(); 3702 int size = libSet.size(); 3703 if (size > 0) { 3704 String[] libs = new String[size]; 3705 libSet.toArray(libs); 3706 return libs; 3707 } 3708 } 3709 return null; 3710 } 3711 3712 @Override 3713 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3714 synchronized (mPackages) { 3715 return mServicesSystemSharedLibraryPackageName; 3716 } 3717 } 3718 3719 @Override 3720 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3721 synchronized (mPackages) { 3722 return mSharedSystemSharedLibraryPackageName; 3723 } 3724 } 3725 3726 @Override 3727 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3728 synchronized (mPackages) { 3729 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3730 3731 final FeatureInfo fi = new FeatureInfo(); 3732 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3733 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3734 res.add(fi); 3735 3736 return new ParceledListSlice<>(res); 3737 } 3738 } 3739 3740 @Override 3741 public boolean hasSystemFeature(String name, int version) { 3742 synchronized (mPackages) { 3743 final FeatureInfo feat = mAvailableFeatures.get(name); 3744 if (feat == null) { 3745 return false; 3746 } else { 3747 return feat.version >= version; 3748 } 3749 } 3750 } 3751 3752 @Override 3753 public int checkPermission(String permName, String pkgName, int userId) { 3754 if (!sUserManager.exists(userId)) { 3755 return PackageManager.PERMISSION_DENIED; 3756 } 3757 3758 synchronized (mPackages) { 3759 final PackageParser.Package p = mPackages.get(pkgName); 3760 if (p != null && p.mExtras != null) { 3761 final PackageSetting ps = (PackageSetting) p.mExtras; 3762 final PermissionsState permissionsState = ps.getPermissionsState(); 3763 if (permissionsState.hasPermission(permName, userId)) { 3764 return PackageManager.PERMISSION_GRANTED; 3765 } 3766 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3767 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3768 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3769 return PackageManager.PERMISSION_GRANTED; 3770 } 3771 } 3772 } 3773 3774 return PackageManager.PERMISSION_DENIED; 3775 } 3776 3777 @Override 3778 public int checkUidPermission(String permName, int uid) { 3779 final int userId = UserHandle.getUserId(uid); 3780 3781 if (!sUserManager.exists(userId)) { 3782 return PackageManager.PERMISSION_DENIED; 3783 } 3784 3785 synchronized (mPackages) { 3786 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3787 if (obj != null) { 3788 final SettingBase ps = (SettingBase) obj; 3789 final PermissionsState permissionsState = ps.getPermissionsState(); 3790 if (permissionsState.hasPermission(permName, userId)) { 3791 return PackageManager.PERMISSION_GRANTED; 3792 } 3793 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3794 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3795 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3796 return PackageManager.PERMISSION_GRANTED; 3797 } 3798 } else { 3799 ArraySet<String> perms = mSystemPermissions.get(uid); 3800 if (perms != null) { 3801 if (perms.contains(permName)) { 3802 return PackageManager.PERMISSION_GRANTED; 3803 } 3804 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3805 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3806 return PackageManager.PERMISSION_GRANTED; 3807 } 3808 } 3809 } 3810 } 3811 3812 return PackageManager.PERMISSION_DENIED; 3813 } 3814 3815 @Override 3816 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3817 if (UserHandle.getCallingUserId() != userId) { 3818 mContext.enforceCallingPermission( 3819 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3820 "isPermissionRevokedByPolicy for user " + userId); 3821 } 3822 3823 if (checkPermission(permission, packageName, userId) 3824 == PackageManager.PERMISSION_GRANTED) { 3825 return false; 3826 } 3827 3828 final long identity = Binder.clearCallingIdentity(); 3829 try { 3830 final int flags = getPermissionFlags(permission, packageName, userId); 3831 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3832 } finally { 3833 Binder.restoreCallingIdentity(identity); 3834 } 3835 } 3836 3837 @Override 3838 public String getPermissionControllerPackageName() { 3839 synchronized (mPackages) { 3840 return mRequiredInstallerPackage; 3841 } 3842 } 3843 3844 /** 3845 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3846 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3847 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3848 * @param message the message to log on security exception 3849 */ 3850 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3851 boolean checkShell, String message) { 3852 if (userId < 0) { 3853 throw new IllegalArgumentException("Invalid userId " + userId); 3854 } 3855 if (checkShell) { 3856 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3857 } 3858 if (userId == UserHandle.getUserId(callingUid)) return; 3859 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3860 if (requireFullPermission) { 3861 mContext.enforceCallingOrSelfPermission( 3862 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3863 } else { 3864 try { 3865 mContext.enforceCallingOrSelfPermission( 3866 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3867 } catch (SecurityException se) { 3868 mContext.enforceCallingOrSelfPermission( 3869 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3870 } 3871 } 3872 } 3873 } 3874 3875 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3876 if (callingUid == Process.SHELL_UID) { 3877 if (userHandle >= 0 3878 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3879 throw new SecurityException("Shell does not have permission to access user " 3880 + userHandle); 3881 } else if (userHandle < 0) { 3882 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3883 + Debug.getCallers(3)); 3884 } 3885 } 3886 } 3887 3888 private BasePermission findPermissionTreeLP(String permName) { 3889 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3890 if (permName.startsWith(bp.name) && 3891 permName.length() > bp.name.length() && 3892 permName.charAt(bp.name.length()) == '.') { 3893 return bp; 3894 } 3895 } 3896 return null; 3897 } 3898 3899 private BasePermission checkPermissionTreeLP(String permName) { 3900 if (permName != null) { 3901 BasePermission bp = findPermissionTreeLP(permName); 3902 if (bp != null) { 3903 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3904 return bp; 3905 } 3906 throw new SecurityException("Calling uid " 3907 + Binder.getCallingUid() 3908 + " is not allowed to add to permission tree " 3909 + bp.name + " owned by uid " + bp.uid); 3910 } 3911 } 3912 throw new SecurityException("No permission tree found for " + permName); 3913 } 3914 3915 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3916 if (s1 == null) { 3917 return s2 == null; 3918 } 3919 if (s2 == null) { 3920 return false; 3921 } 3922 if (s1.getClass() != s2.getClass()) { 3923 return false; 3924 } 3925 return s1.equals(s2); 3926 } 3927 3928 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3929 if (pi1.icon != pi2.icon) return false; 3930 if (pi1.logo != pi2.logo) return false; 3931 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3932 if (!compareStrings(pi1.name, pi2.name)) return false; 3933 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3934 // We'll take care of setting this one. 3935 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3936 // These are not currently stored in settings. 3937 //if (!compareStrings(pi1.group, pi2.group)) return false; 3938 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3939 //if (pi1.labelRes != pi2.labelRes) return false; 3940 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3941 return true; 3942 } 3943 3944 int permissionInfoFootprint(PermissionInfo info) { 3945 int size = info.name.length(); 3946 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3947 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3948 return size; 3949 } 3950 3951 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3952 int size = 0; 3953 for (BasePermission perm : mSettings.mPermissions.values()) { 3954 if (perm.uid == tree.uid) { 3955 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3956 } 3957 } 3958 return size; 3959 } 3960 3961 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3962 // We calculate the max size of permissions defined by this uid and throw 3963 // if that plus the size of 'info' would exceed our stated maximum. 3964 if (tree.uid != Process.SYSTEM_UID) { 3965 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3966 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3967 throw new SecurityException("Permission tree size cap exceeded"); 3968 } 3969 } 3970 } 3971 3972 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3973 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3974 throw new SecurityException("Label must be specified in permission"); 3975 } 3976 BasePermission tree = checkPermissionTreeLP(info.name); 3977 BasePermission bp = mSettings.mPermissions.get(info.name); 3978 boolean added = bp == null; 3979 boolean changed = true; 3980 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3981 if (added) { 3982 enforcePermissionCapLocked(info, tree); 3983 bp = new BasePermission(info.name, tree.sourcePackage, 3984 BasePermission.TYPE_DYNAMIC); 3985 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3986 throw new SecurityException( 3987 "Not allowed to modify non-dynamic permission " 3988 + info.name); 3989 } else { 3990 if (bp.protectionLevel == fixedLevel 3991 && bp.perm.owner.equals(tree.perm.owner) 3992 && bp.uid == tree.uid 3993 && comparePermissionInfos(bp.perm.info, info)) { 3994 changed = false; 3995 } 3996 } 3997 bp.protectionLevel = fixedLevel; 3998 info = new PermissionInfo(info); 3999 info.protectionLevel = fixedLevel; 4000 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4001 bp.perm.info.packageName = tree.perm.info.packageName; 4002 bp.uid = tree.uid; 4003 if (added) { 4004 mSettings.mPermissions.put(info.name, bp); 4005 } 4006 if (changed) { 4007 if (!async) { 4008 mSettings.writeLPr(); 4009 } else { 4010 scheduleWriteSettingsLocked(); 4011 } 4012 } 4013 return added; 4014 } 4015 4016 @Override 4017 public boolean addPermission(PermissionInfo info) { 4018 synchronized (mPackages) { 4019 return addPermissionLocked(info, false); 4020 } 4021 } 4022 4023 @Override 4024 public boolean addPermissionAsync(PermissionInfo info) { 4025 synchronized (mPackages) { 4026 return addPermissionLocked(info, true); 4027 } 4028 } 4029 4030 @Override 4031 public void removePermission(String name) { 4032 synchronized (mPackages) { 4033 checkPermissionTreeLP(name); 4034 BasePermission bp = mSettings.mPermissions.get(name); 4035 if (bp != null) { 4036 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4037 throw new SecurityException( 4038 "Not allowed to modify non-dynamic permission " 4039 + name); 4040 } 4041 mSettings.mPermissions.remove(name); 4042 mSettings.writeLPr(); 4043 } 4044 } 4045 } 4046 4047 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4048 BasePermission bp) { 4049 int index = pkg.requestedPermissions.indexOf(bp.name); 4050 if (index == -1) { 4051 throw new SecurityException("Package " + pkg.packageName 4052 + " has not requested permission " + bp.name); 4053 } 4054 if (!bp.isRuntime() && !bp.isDevelopment()) { 4055 throw new SecurityException("Permission " + bp.name 4056 + " is not a changeable permission type"); 4057 } 4058 } 4059 4060 @Override 4061 public void grantRuntimePermission(String packageName, String name, final int userId) { 4062 if (!sUserManager.exists(userId)) { 4063 Log.e(TAG, "No such user:" + userId); 4064 return; 4065 } 4066 4067 mContext.enforceCallingOrSelfPermission( 4068 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4069 "grantRuntimePermission"); 4070 4071 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4072 true /* requireFullPermission */, true /* checkShell */, 4073 "grantRuntimePermission"); 4074 4075 final int uid; 4076 final SettingBase sb; 4077 4078 synchronized (mPackages) { 4079 final PackageParser.Package pkg = mPackages.get(packageName); 4080 if (pkg == null) { 4081 throw new IllegalArgumentException("Unknown package: " + packageName); 4082 } 4083 4084 final BasePermission bp = mSettings.mPermissions.get(name); 4085 if (bp == null) { 4086 throw new IllegalArgumentException("Unknown permission: " + name); 4087 } 4088 4089 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4090 4091 // If a permission review is required for legacy apps we represent 4092 // their permissions as always granted runtime ones since we need 4093 // to keep the review required permission flag per user while an 4094 // install permission's state is shared across all users. 4095 if (Build.PERMISSIONS_REVIEW_REQUIRED 4096 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4097 && bp.isRuntime()) { 4098 return; 4099 } 4100 4101 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4102 sb = (SettingBase) pkg.mExtras; 4103 if (sb == null) { 4104 throw new IllegalArgumentException("Unknown package: " + packageName); 4105 } 4106 4107 final PermissionsState permissionsState = sb.getPermissionsState(); 4108 4109 final int flags = permissionsState.getPermissionFlags(name, userId); 4110 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4111 throw new SecurityException("Cannot grant system fixed permission " 4112 + name + " for package " + packageName); 4113 } 4114 4115 if (bp.isDevelopment()) { 4116 // Development permissions must be handled specially, since they are not 4117 // normal runtime permissions. For now they apply to all users. 4118 if (permissionsState.grantInstallPermission(bp) != 4119 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4120 scheduleWriteSettingsLocked(); 4121 } 4122 return; 4123 } 4124 4125 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4126 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4127 return; 4128 } 4129 4130 final int result = permissionsState.grantRuntimePermission(bp, userId); 4131 switch (result) { 4132 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4133 return; 4134 } 4135 4136 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4137 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4138 mHandler.post(new Runnable() { 4139 @Override 4140 public void run() { 4141 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4142 } 4143 }); 4144 } 4145 break; 4146 } 4147 4148 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4149 4150 // Not critical if that is lost - app has to request again. 4151 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4152 } 4153 4154 // Only need to do this if user is initialized. Otherwise it's a new user 4155 // and there are no processes running as the user yet and there's no need 4156 // to make an expensive call to remount processes for the changed permissions. 4157 if (READ_EXTERNAL_STORAGE.equals(name) 4158 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4159 final long token = Binder.clearCallingIdentity(); 4160 try { 4161 if (sUserManager.isInitialized(userId)) { 4162 MountServiceInternal mountServiceInternal = LocalServices.getService( 4163 MountServiceInternal.class); 4164 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4165 } 4166 } finally { 4167 Binder.restoreCallingIdentity(token); 4168 } 4169 } 4170 } 4171 4172 @Override 4173 public void revokeRuntimePermission(String packageName, String name, int userId) { 4174 if (!sUserManager.exists(userId)) { 4175 Log.e(TAG, "No such user:" + userId); 4176 return; 4177 } 4178 4179 mContext.enforceCallingOrSelfPermission( 4180 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4181 "revokeRuntimePermission"); 4182 4183 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4184 true /* requireFullPermission */, true /* checkShell */, 4185 "revokeRuntimePermission"); 4186 4187 final int appId; 4188 4189 synchronized (mPackages) { 4190 final PackageParser.Package pkg = mPackages.get(packageName); 4191 if (pkg == null) { 4192 throw new IllegalArgumentException("Unknown package: " + packageName); 4193 } 4194 4195 final BasePermission bp = mSettings.mPermissions.get(name); 4196 if (bp == null) { 4197 throw new IllegalArgumentException("Unknown permission: " + name); 4198 } 4199 4200 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4201 4202 // If a permission review is required for legacy apps we represent 4203 // their permissions as always granted runtime ones since we need 4204 // to keep the review required permission flag per user while an 4205 // install permission's state is shared across all users. 4206 if (Build.PERMISSIONS_REVIEW_REQUIRED 4207 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4208 && bp.isRuntime()) { 4209 return; 4210 } 4211 4212 SettingBase sb = (SettingBase) pkg.mExtras; 4213 if (sb == null) { 4214 throw new IllegalArgumentException("Unknown package: " + packageName); 4215 } 4216 4217 final PermissionsState permissionsState = sb.getPermissionsState(); 4218 4219 final int flags = permissionsState.getPermissionFlags(name, userId); 4220 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4221 throw new SecurityException("Cannot revoke system fixed permission " 4222 + name + " for package " + packageName); 4223 } 4224 4225 if (bp.isDevelopment()) { 4226 // Development permissions must be handled specially, since they are not 4227 // normal runtime permissions. For now they apply to all users. 4228 if (permissionsState.revokeInstallPermission(bp) != 4229 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4230 scheduleWriteSettingsLocked(); 4231 } 4232 return; 4233 } 4234 4235 if (permissionsState.revokeRuntimePermission(bp, userId) == 4236 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4237 return; 4238 } 4239 4240 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4241 4242 // Critical, after this call app should never have the permission. 4243 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4244 4245 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4246 } 4247 4248 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4249 } 4250 4251 @Override 4252 public void resetRuntimePermissions() { 4253 mContext.enforceCallingOrSelfPermission( 4254 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4255 "revokeRuntimePermission"); 4256 4257 int callingUid = Binder.getCallingUid(); 4258 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4259 mContext.enforceCallingOrSelfPermission( 4260 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4261 "resetRuntimePermissions"); 4262 } 4263 4264 synchronized (mPackages) { 4265 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4266 for (int userId : UserManagerService.getInstance().getUserIds()) { 4267 final int packageCount = mPackages.size(); 4268 for (int i = 0; i < packageCount; i++) { 4269 PackageParser.Package pkg = mPackages.valueAt(i); 4270 if (!(pkg.mExtras instanceof PackageSetting)) { 4271 continue; 4272 } 4273 PackageSetting ps = (PackageSetting) pkg.mExtras; 4274 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4275 } 4276 } 4277 } 4278 } 4279 4280 @Override 4281 public int getPermissionFlags(String name, String packageName, int userId) { 4282 if (!sUserManager.exists(userId)) { 4283 return 0; 4284 } 4285 4286 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4287 4288 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4289 true /* requireFullPermission */, false /* checkShell */, 4290 "getPermissionFlags"); 4291 4292 synchronized (mPackages) { 4293 final PackageParser.Package pkg = mPackages.get(packageName); 4294 if (pkg == null) { 4295 return 0; 4296 } 4297 4298 final BasePermission bp = mSettings.mPermissions.get(name); 4299 if (bp == null) { 4300 return 0; 4301 } 4302 4303 SettingBase sb = (SettingBase) pkg.mExtras; 4304 if (sb == null) { 4305 return 0; 4306 } 4307 4308 PermissionsState permissionsState = sb.getPermissionsState(); 4309 return permissionsState.getPermissionFlags(name, userId); 4310 } 4311 } 4312 4313 @Override 4314 public void updatePermissionFlags(String name, String packageName, int flagMask, 4315 int flagValues, int userId) { 4316 if (!sUserManager.exists(userId)) { 4317 return; 4318 } 4319 4320 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4321 4322 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4323 true /* requireFullPermission */, true /* checkShell */, 4324 "updatePermissionFlags"); 4325 4326 // Only the system can change these flags and nothing else. 4327 if (getCallingUid() != Process.SYSTEM_UID) { 4328 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4329 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4330 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4331 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4332 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4333 } 4334 4335 synchronized (mPackages) { 4336 final PackageParser.Package pkg = mPackages.get(packageName); 4337 if (pkg == null) { 4338 throw new IllegalArgumentException("Unknown package: " + packageName); 4339 } 4340 4341 final BasePermission bp = mSettings.mPermissions.get(name); 4342 if (bp == null) { 4343 throw new IllegalArgumentException("Unknown permission: " + name); 4344 } 4345 4346 SettingBase sb = (SettingBase) pkg.mExtras; 4347 if (sb == null) { 4348 throw new IllegalArgumentException("Unknown package: " + packageName); 4349 } 4350 4351 PermissionsState permissionsState = sb.getPermissionsState(); 4352 4353 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4354 4355 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4356 // Install and runtime permissions are stored in different places, 4357 // so figure out what permission changed and persist the change. 4358 if (permissionsState.getInstallPermissionState(name) != null) { 4359 scheduleWriteSettingsLocked(); 4360 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4361 || hadState) { 4362 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4363 } 4364 } 4365 } 4366 } 4367 4368 /** 4369 * Update the permission flags for all packages and runtime permissions of a user in order 4370 * to allow device or profile owner to remove POLICY_FIXED. 4371 */ 4372 @Override 4373 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4374 if (!sUserManager.exists(userId)) { 4375 return; 4376 } 4377 4378 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4379 4380 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4381 true /* requireFullPermission */, true /* checkShell */, 4382 "updatePermissionFlagsForAllApps"); 4383 4384 // Only the system can change system fixed flags. 4385 if (getCallingUid() != Process.SYSTEM_UID) { 4386 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4387 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4388 } 4389 4390 synchronized (mPackages) { 4391 boolean changed = false; 4392 final int packageCount = mPackages.size(); 4393 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4394 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4395 SettingBase sb = (SettingBase) pkg.mExtras; 4396 if (sb == null) { 4397 continue; 4398 } 4399 PermissionsState permissionsState = sb.getPermissionsState(); 4400 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4401 userId, flagMask, flagValues); 4402 } 4403 if (changed) { 4404 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4405 } 4406 } 4407 } 4408 4409 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4410 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4411 != PackageManager.PERMISSION_GRANTED 4412 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4413 != PackageManager.PERMISSION_GRANTED) { 4414 throw new SecurityException(message + " requires " 4415 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4416 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4417 } 4418 } 4419 4420 @Override 4421 public boolean shouldShowRequestPermissionRationale(String permissionName, 4422 String packageName, int userId) { 4423 if (UserHandle.getCallingUserId() != userId) { 4424 mContext.enforceCallingPermission( 4425 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4426 "canShowRequestPermissionRationale for user " + userId); 4427 } 4428 4429 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4430 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4431 return false; 4432 } 4433 4434 if (checkPermission(permissionName, packageName, userId) 4435 == PackageManager.PERMISSION_GRANTED) { 4436 return false; 4437 } 4438 4439 final int flags; 4440 4441 final long identity = Binder.clearCallingIdentity(); 4442 try { 4443 flags = getPermissionFlags(permissionName, 4444 packageName, userId); 4445 } finally { 4446 Binder.restoreCallingIdentity(identity); 4447 } 4448 4449 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4450 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4451 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4452 4453 if ((flags & fixedFlags) != 0) { 4454 return false; 4455 } 4456 4457 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4458 } 4459 4460 @Override 4461 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4462 mContext.enforceCallingOrSelfPermission( 4463 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4464 "addOnPermissionsChangeListener"); 4465 4466 synchronized (mPackages) { 4467 mOnPermissionChangeListeners.addListenerLocked(listener); 4468 } 4469 } 4470 4471 @Override 4472 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4473 synchronized (mPackages) { 4474 mOnPermissionChangeListeners.removeListenerLocked(listener); 4475 } 4476 } 4477 4478 @Override 4479 public boolean isProtectedBroadcast(String actionName) { 4480 synchronized (mPackages) { 4481 if (mProtectedBroadcasts.contains(actionName)) { 4482 return true; 4483 } else if (actionName != null) { 4484 // TODO: remove these terrible hacks 4485 if (actionName.startsWith("android.net.netmon.lingerExpired") 4486 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4487 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4488 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4489 return true; 4490 } 4491 } 4492 } 4493 return false; 4494 } 4495 4496 @Override 4497 public int checkSignatures(String pkg1, String pkg2) { 4498 synchronized (mPackages) { 4499 final PackageParser.Package p1 = mPackages.get(pkg1); 4500 final PackageParser.Package p2 = mPackages.get(pkg2); 4501 if (p1 == null || p1.mExtras == null 4502 || p2 == null || p2.mExtras == null) { 4503 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4504 } 4505 return compareSignatures(p1.mSignatures, p2.mSignatures); 4506 } 4507 } 4508 4509 @Override 4510 public int checkUidSignatures(int uid1, int uid2) { 4511 // Map to base uids. 4512 uid1 = UserHandle.getAppId(uid1); 4513 uid2 = UserHandle.getAppId(uid2); 4514 // reader 4515 synchronized (mPackages) { 4516 Signature[] s1; 4517 Signature[] s2; 4518 Object obj = mSettings.getUserIdLPr(uid1); 4519 if (obj != null) { 4520 if (obj instanceof SharedUserSetting) { 4521 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4522 } else if (obj instanceof PackageSetting) { 4523 s1 = ((PackageSetting)obj).signatures.mSignatures; 4524 } else { 4525 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4526 } 4527 } else { 4528 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4529 } 4530 obj = mSettings.getUserIdLPr(uid2); 4531 if (obj != null) { 4532 if (obj instanceof SharedUserSetting) { 4533 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4534 } else if (obj instanceof PackageSetting) { 4535 s2 = ((PackageSetting)obj).signatures.mSignatures; 4536 } else { 4537 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4538 } 4539 } else { 4540 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4541 } 4542 return compareSignatures(s1, s2); 4543 } 4544 } 4545 4546 /** 4547 * This method should typically only be used when granting or revoking 4548 * permissions, since the app may immediately restart after this call. 4549 * <p> 4550 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4551 * guard your work against the app being relaunched. 4552 */ 4553 private void killUid(int appId, int userId, String reason) { 4554 final long identity = Binder.clearCallingIdentity(); 4555 try { 4556 IActivityManager am = ActivityManagerNative.getDefault(); 4557 if (am != null) { 4558 try { 4559 am.killUid(appId, userId, reason); 4560 } catch (RemoteException e) { 4561 /* ignore - same process */ 4562 } 4563 } 4564 } finally { 4565 Binder.restoreCallingIdentity(identity); 4566 } 4567 } 4568 4569 /** 4570 * Compares two sets of signatures. Returns: 4571 * <br /> 4572 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4573 * <br /> 4574 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4575 * <br /> 4576 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4577 * <br /> 4578 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4579 * <br /> 4580 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4581 */ 4582 static int compareSignatures(Signature[] s1, Signature[] s2) { 4583 if (s1 == null) { 4584 return s2 == null 4585 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4586 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4587 } 4588 4589 if (s2 == null) { 4590 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4591 } 4592 4593 if (s1.length != s2.length) { 4594 return PackageManager.SIGNATURE_NO_MATCH; 4595 } 4596 4597 // Since both signature sets are of size 1, we can compare without HashSets. 4598 if (s1.length == 1) { 4599 return s1[0].equals(s2[0]) ? 4600 PackageManager.SIGNATURE_MATCH : 4601 PackageManager.SIGNATURE_NO_MATCH; 4602 } 4603 4604 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4605 for (Signature sig : s1) { 4606 set1.add(sig); 4607 } 4608 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4609 for (Signature sig : s2) { 4610 set2.add(sig); 4611 } 4612 // Make sure s2 contains all signatures in s1. 4613 if (set1.equals(set2)) { 4614 return PackageManager.SIGNATURE_MATCH; 4615 } 4616 return PackageManager.SIGNATURE_NO_MATCH; 4617 } 4618 4619 /** 4620 * If the database version for this type of package (internal storage or 4621 * external storage) is less than the version where package signatures 4622 * were updated, return true. 4623 */ 4624 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4625 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4626 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4627 } 4628 4629 /** 4630 * Used for backward compatibility to make sure any packages with 4631 * certificate chains get upgraded to the new style. {@code existingSigs} 4632 * will be in the old format (since they were stored on disk from before the 4633 * system upgrade) and {@code scannedSigs} will be in the newer format. 4634 */ 4635 private int compareSignaturesCompat(PackageSignatures existingSigs, 4636 PackageParser.Package scannedPkg) { 4637 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4638 return PackageManager.SIGNATURE_NO_MATCH; 4639 } 4640 4641 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4642 for (Signature sig : existingSigs.mSignatures) { 4643 existingSet.add(sig); 4644 } 4645 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4646 for (Signature sig : scannedPkg.mSignatures) { 4647 try { 4648 Signature[] chainSignatures = sig.getChainSignatures(); 4649 for (Signature chainSig : chainSignatures) { 4650 scannedCompatSet.add(chainSig); 4651 } 4652 } catch (CertificateEncodingException e) { 4653 scannedCompatSet.add(sig); 4654 } 4655 } 4656 /* 4657 * Make sure the expanded scanned set contains all signatures in the 4658 * existing one. 4659 */ 4660 if (scannedCompatSet.equals(existingSet)) { 4661 // Migrate the old signatures to the new scheme. 4662 existingSigs.assignSignatures(scannedPkg.mSignatures); 4663 // The new KeySets will be re-added later in the scanning process. 4664 synchronized (mPackages) { 4665 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4666 } 4667 return PackageManager.SIGNATURE_MATCH; 4668 } 4669 return PackageManager.SIGNATURE_NO_MATCH; 4670 } 4671 4672 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4673 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4674 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4675 } 4676 4677 private int compareSignaturesRecover(PackageSignatures existingSigs, 4678 PackageParser.Package scannedPkg) { 4679 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4680 return PackageManager.SIGNATURE_NO_MATCH; 4681 } 4682 4683 String msg = null; 4684 try { 4685 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4686 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4687 + scannedPkg.packageName); 4688 return PackageManager.SIGNATURE_MATCH; 4689 } 4690 } catch (CertificateException e) { 4691 msg = e.getMessage(); 4692 } 4693 4694 logCriticalInfo(Log.INFO, 4695 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4696 return PackageManager.SIGNATURE_NO_MATCH; 4697 } 4698 4699 @Override 4700 public List<String> getAllPackages() { 4701 synchronized (mPackages) { 4702 return new ArrayList<String>(mPackages.keySet()); 4703 } 4704 } 4705 4706 @Override 4707 public String[] getPackagesForUid(int uid) { 4708 uid = UserHandle.getAppId(uid); 4709 // reader 4710 synchronized (mPackages) { 4711 Object obj = mSettings.getUserIdLPr(uid); 4712 if (obj instanceof SharedUserSetting) { 4713 final SharedUserSetting sus = (SharedUserSetting) obj; 4714 final int N = sus.packages.size(); 4715 final String[] res = new String[N]; 4716 final Iterator<PackageSetting> it = sus.packages.iterator(); 4717 int i = 0; 4718 while (it.hasNext()) { 4719 res[i++] = it.next().name; 4720 } 4721 return res; 4722 } else if (obj instanceof PackageSetting) { 4723 final PackageSetting ps = (PackageSetting) obj; 4724 return new String[] { ps.name }; 4725 } 4726 } 4727 return null; 4728 } 4729 4730 @Override 4731 public String getNameForUid(int uid) { 4732 // reader 4733 synchronized (mPackages) { 4734 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4735 if (obj instanceof SharedUserSetting) { 4736 final SharedUserSetting sus = (SharedUserSetting) obj; 4737 return sus.name + ":" + sus.userId; 4738 } else if (obj instanceof PackageSetting) { 4739 final PackageSetting ps = (PackageSetting) obj; 4740 return ps.name; 4741 } 4742 } 4743 return null; 4744 } 4745 4746 @Override 4747 public int getUidForSharedUser(String sharedUserName) { 4748 if(sharedUserName == null) { 4749 return -1; 4750 } 4751 // reader 4752 synchronized (mPackages) { 4753 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4754 if (suid == null) { 4755 return -1; 4756 } 4757 return suid.userId; 4758 } 4759 } 4760 4761 @Override 4762 public int getFlagsForUid(int uid) { 4763 synchronized (mPackages) { 4764 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4765 if (obj instanceof SharedUserSetting) { 4766 final SharedUserSetting sus = (SharedUserSetting) obj; 4767 return sus.pkgFlags; 4768 } else if (obj instanceof PackageSetting) { 4769 final PackageSetting ps = (PackageSetting) obj; 4770 return ps.pkgFlags; 4771 } 4772 } 4773 return 0; 4774 } 4775 4776 @Override 4777 public int getPrivateFlagsForUid(int uid) { 4778 synchronized (mPackages) { 4779 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4780 if (obj instanceof SharedUserSetting) { 4781 final SharedUserSetting sus = (SharedUserSetting) obj; 4782 return sus.pkgPrivateFlags; 4783 } else if (obj instanceof PackageSetting) { 4784 final PackageSetting ps = (PackageSetting) obj; 4785 return ps.pkgPrivateFlags; 4786 } 4787 } 4788 return 0; 4789 } 4790 4791 @Override 4792 public boolean isUidPrivileged(int uid) { 4793 uid = UserHandle.getAppId(uid); 4794 // reader 4795 synchronized (mPackages) { 4796 Object obj = mSettings.getUserIdLPr(uid); 4797 if (obj instanceof SharedUserSetting) { 4798 final SharedUserSetting sus = (SharedUserSetting) obj; 4799 final Iterator<PackageSetting> it = sus.packages.iterator(); 4800 while (it.hasNext()) { 4801 if (it.next().isPrivileged()) { 4802 return true; 4803 } 4804 } 4805 } else if (obj instanceof PackageSetting) { 4806 final PackageSetting ps = (PackageSetting) obj; 4807 return ps.isPrivileged(); 4808 } 4809 } 4810 return false; 4811 } 4812 4813 @Override 4814 public String[] getAppOpPermissionPackages(String permissionName) { 4815 synchronized (mPackages) { 4816 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4817 if (pkgs == null) { 4818 return null; 4819 } 4820 return pkgs.toArray(new String[pkgs.size()]); 4821 } 4822 } 4823 4824 @Override 4825 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4826 int flags, int userId) { 4827 try { 4828 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4829 4830 if (!sUserManager.exists(userId)) return null; 4831 flags = updateFlagsForResolve(flags, userId, intent); 4832 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4833 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4834 4835 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4836 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4837 flags, userId); 4838 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4839 4840 final ResolveInfo bestChoice = 4841 chooseBestActivity(intent, resolvedType, flags, query, userId); 4842 4843 if (isEphemeralAllowed(intent, query, userId)) { 4844 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4845 final EphemeralResolveInfo ai = 4846 getEphemeralResolveInfo(intent, resolvedType, userId); 4847 if (ai != null) { 4848 if (DEBUG_EPHEMERAL) { 4849 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4850 } 4851 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4852 bestChoice.ephemeralResolveInfo = ai; 4853 } 4854 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4855 } 4856 return bestChoice; 4857 } finally { 4858 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4859 } 4860 } 4861 4862 @Override 4863 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4864 IntentFilter filter, int match, ComponentName activity) { 4865 final int userId = UserHandle.getCallingUserId(); 4866 if (DEBUG_PREFERRED) { 4867 Log.v(TAG, "setLastChosenActivity intent=" + intent 4868 + " resolvedType=" + resolvedType 4869 + " flags=" + flags 4870 + " filter=" + filter 4871 + " match=" + match 4872 + " activity=" + activity); 4873 filter.dump(new PrintStreamPrinter(System.out), " "); 4874 } 4875 intent.setComponent(null); 4876 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4877 userId); 4878 // Find any earlier preferred or last chosen entries and nuke them 4879 findPreferredActivity(intent, resolvedType, 4880 flags, query, 0, false, true, false, userId); 4881 // Add the new activity as the last chosen for this filter 4882 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4883 "Setting last chosen"); 4884 } 4885 4886 @Override 4887 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4888 final int userId = UserHandle.getCallingUserId(); 4889 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4890 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4891 userId); 4892 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4893 false, false, false, userId); 4894 } 4895 4896 4897 private boolean isEphemeralAllowed( 4898 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4899 // Short circuit and return early if possible. 4900 if (DISABLE_EPHEMERAL_APPS) { 4901 return false; 4902 } 4903 final int callingUser = UserHandle.getCallingUserId(); 4904 if (callingUser != UserHandle.USER_SYSTEM) { 4905 return false; 4906 } 4907 if (mEphemeralResolverConnection == null) { 4908 return false; 4909 } 4910 if (intent.getComponent() != null) { 4911 return false; 4912 } 4913 if (intent.getPackage() != null) { 4914 return false; 4915 } 4916 final boolean isWebUri = hasWebURI(intent); 4917 if (!isWebUri) { 4918 return false; 4919 } 4920 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4921 synchronized (mPackages) { 4922 final int count = resolvedActivites.size(); 4923 for (int n = 0; n < count; n++) { 4924 ResolveInfo info = resolvedActivites.get(n); 4925 String packageName = info.activityInfo.packageName; 4926 PackageSetting ps = mSettings.mPackages.get(packageName); 4927 if (ps != null) { 4928 // Try to get the status from User settings first 4929 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4930 int status = (int) (packedStatus >> 32); 4931 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4932 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4933 if (DEBUG_EPHEMERAL) { 4934 Slog.v(TAG, "DENY ephemeral apps;" 4935 + " pkg: " + packageName + ", status: " + status); 4936 } 4937 return false; 4938 } 4939 } 4940 } 4941 } 4942 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4943 return true; 4944 } 4945 4946 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4947 int userId) { 4948 MessageDigest digest = null; 4949 try { 4950 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4951 } catch (NoSuchAlgorithmException e) { 4952 // If we can't create a digest, ignore ephemeral apps. 4953 return null; 4954 } 4955 4956 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4957 final byte[] digestBytes = digest.digest(hostBytes); 4958 int shaPrefix = 4959 digestBytes[0] << 24 4960 | digestBytes[1] << 16 4961 | digestBytes[2] << 8 4962 | digestBytes[3] << 0; 4963 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4964 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4965 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4966 // No hash prefix match; there are no ephemeral apps for this domain. 4967 return null; 4968 } 4969 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4970 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4971 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4972 continue; 4973 } 4974 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4975 // No filters; this should never happen. 4976 if (filters.isEmpty()) { 4977 continue; 4978 } 4979 // We have a domain match; resolve the filters to see if anything matches. 4980 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4981 for (int j = filters.size() - 1; j >= 0; --j) { 4982 final EphemeralResolveIntentInfo intentInfo = 4983 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4984 ephemeralResolver.addFilter(intentInfo); 4985 } 4986 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4987 intent, resolvedType, false /*defaultOnly*/, userId); 4988 if (!matchedResolveInfoList.isEmpty()) { 4989 return matchedResolveInfoList.get(0); 4990 } 4991 } 4992 // Hash or filter mis-match; no ephemeral apps for this domain. 4993 return null; 4994 } 4995 4996 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4997 int flags, List<ResolveInfo> query, int userId) { 4998 if (query != null) { 4999 final int N = query.size(); 5000 if (N == 1) { 5001 return query.get(0); 5002 } else if (N > 1) { 5003 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5004 // If there is more than one activity with the same priority, 5005 // then let the user decide between them. 5006 ResolveInfo r0 = query.get(0); 5007 ResolveInfo r1 = query.get(1); 5008 if (DEBUG_INTENT_MATCHING || debug) { 5009 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5010 + r1.activityInfo.name + "=" + r1.priority); 5011 } 5012 // If the first activity has a higher priority, or a different 5013 // default, then it is always desirable to pick it. 5014 if (r0.priority != r1.priority 5015 || r0.preferredOrder != r1.preferredOrder 5016 || r0.isDefault != r1.isDefault) { 5017 return query.get(0); 5018 } 5019 // If we have saved a preference for a preferred activity for 5020 // this Intent, use that. 5021 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5022 flags, query, r0.priority, true, false, debug, userId); 5023 if (ri != null) { 5024 return ri; 5025 } 5026 ri = new ResolveInfo(mResolveInfo); 5027 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5028 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5029 // If all of the options come from the same package, show the application's 5030 // label and icon instead of the generic resolver's. 5031 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5032 // and then throw away the ResolveInfo itself, meaning that the caller loses 5033 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5034 // a fallback for this case; we only set the target package's resources on 5035 // the ResolveInfo, not the ActivityInfo. 5036 final String intentPackage = intent.getPackage(); 5037 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5038 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5039 ri.resolvePackageName = intentPackage; 5040 if (userNeedsBadging(userId)) { 5041 ri.noResourceId = true; 5042 } else { 5043 ri.icon = appi.icon; 5044 } 5045 ri.iconResourceId = appi.icon; 5046 ri.labelRes = appi.labelRes; 5047 } 5048 ri.activityInfo.applicationInfo = new ApplicationInfo( 5049 ri.activityInfo.applicationInfo); 5050 if (userId != 0) { 5051 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5052 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5053 } 5054 // Make sure that the resolver is displayable in car mode 5055 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5056 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5057 return ri; 5058 } 5059 } 5060 return null; 5061 } 5062 5063 /** 5064 * Return true if the given list is not empty and all of its contents have 5065 * an activityInfo with the given package name. 5066 */ 5067 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5068 if (ArrayUtils.isEmpty(list)) { 5069 return false; 5070 } 5071 for (int i = 0, N = list.size(); i < N; i++) { 5072 final ResolveInfo ri = list.get(i); 5073 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5074 if (ai == null || !packageName.equals(ai.packageName)) { 5075 return false; 5076 } 5077 } 5078 return true; 5079 } 5080 5081 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5082 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5083 final int N = query.size(); 5084 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5085 .get(userId); 5086 // Get the list of persistent preferred activities that handle the intent 5087 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5088 List<PersistentPreferredActivity> pprefs = ppir != null 5089 ? ppir.queryIntent(intent, resolvedType, 5090 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5091 : null; 5092 if (pprefs != null && pprefs.size() > 0) { 5093 final int M = pprefs.size(); 5094 for (int i=0; i<M; i++) { 5095 final PersistentPreferredActivity ppa = pprefs.get(i); 5096 if (DEBUG_PREFERRED || debug) { 5097 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5098 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5099 + "\n component=" + ppa.mComponent); 5100 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5101 } 5102 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5103 flags | MATCH_DISABLED_COMPONENTS, userId); 5104 if (DEBUG_PREFERRED || debug) { 5105 Slog.v(TAG, "Found persistent preferred activity:"); 5106 if (ai != null) { 5107 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5108 } else { 5109 Slog.v(TAG, " null"); 5110 } 5111 } 5112 if (ai == null) { 5113 // This previously registered persistent preferred activity 5114 // component is no longer known. Ignore it and do NOT remove it. 5115 continue; 5116 } 5117 for (int j=0; j<N; j++) { 5118 final ResolveInfo ri = query.get(j); 5119 if (!ri.activityInfo.applicationInfo.packageName 5120 .equals(ai.applicationInfo.packageName)) { 5121 continue; 5122 } 5123 if (!ri.activityInfo.name.equals(ai.name)) { 5124 continue; 5125 } 5126 // Found a persistent preference that can handle the intent. 5127 if (DEBUG_PREFERRED || debug) { 5128 Slog.v(TAG, "Returning persistent preferred activity: " + 5129 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5130 } 5131 return ri; 5132 } 5133 } 5134 } 5135 return null; 5136 } 5137 5138 // TODO: handle preferred activities missing while user has amnesia 5139 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5140 List<ResolveInfo> query, int priority, boolean always, 5141 boolean removeMatches, boolean debug, int userId) { 5142 if (!sUserManager.exists(userId)) return null; 5143 flags = updateFlagsForResolve(flags, userId, intent); 5144 // writer 5145 synchronized (mPackages) { 5146 if (intent.getSelector() != null) { 5147 intent = intent.getSelector(); 5148 } 5149 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5150 5151 // Try to find a matching persistent preferred activity. 5152 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5153 debug, userId); 5154 5155 // If a persistent preferred activity matched, use it. 5156 if (pri != null) { 5157 return pri; 5158 } 5159 5160 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5161 // Get the list of preferred activities that handle the intent 5162 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5163 List<PreferredActivity> prefs = pir != null 5164 ? pir.queryIntent(intent, resolvedType, 5165 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5166 : null; 5167 if (prefs != null && prefs.size() > 0) { 5168 boolean changed = false; 5169 try { 5170 // First figure out how good the original match set is. 5171 // We will only allow preferred activities that came 5172 // from the same match quality. 5173 int match = 0; 5174 5175 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5176 5177 final int N = query.size(); 5178 for (int j=0; j<N; j++) { 5179 final ResolveInfo ri = query.get(j); 5180 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5181 + ": 0x" + Integer.toHexString(match)); 5182 if (ri.match > match) { 5183 match = ri.match; 5184 } 5185 } 5186 5187 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5188 + Integer.toHexString(match)); 5189 5190 match &= IntentFilter.MATCH_CATEGORY_MASK; 5191 final int M = prefs.size(); 5192 for (int i=0; i<M; i++) { 5193 final PreferredActivity pa = prefs.get(i); 5194 if (DEBUG_PREFERRED || debug) { 5195 Slog.v(TAG, "Checking PreferredActivity ds=" 5196 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5197 + "\n component=" + pa.mPref.mComponent); 5198 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5199 } 5200 if (pa.mPref.mMatch != match) { 5201 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5202 + Integer.toHexString(pa.mPref.mMatch)); 5203 continue; 5204 } 5205 // If it's not an "always" type preferred activity and that's what we're 5206 // looking for, skip it. 5207 if (always && !pa.mPref.mAlways) { 5208 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5209 continue; 5210 } 5211 final ActivityInfo ai = getActivityInfo( 5212 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5213 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5214 userId); 5215 if (DEBUG_PREFERRED || debug) { 5216 Slog.v(TAG, "Found preferred activity:"); 5217 if (ai != null) { 5218 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5219 } else { 5220 Slog.v(TAG, " null"); 5221 } 5222 } 5223 if (ai == null) { 5224 // This previously registered preferred activity 5225 // component is no longer known. Most likely an update 5226 // to the app was installed and in the new version this 5227 // component no longer exists. Clean it up by removing 5228 // it from the preferred activities list, and skip it. 5229 Slog.w(TAG, "Removing dangling preferred activity: " 5230 + pa.mPref.mComponent); 5231 pir.removeFilter(pa); 5232 changed = true; 5233 continue; 5234 } 5235 for (int j=0; j<N; j++) { 5236 final ResolveInfo ri = query.get(j); 5237 if (!ri.activityInfo.applicationInfo.packageName 5238 .equals(ai.applicationInfo.packageName)) { 5239 continue; 5240 } 5241 if (!ri.activityInfo.name.equals(ai.name)) { 5242 continue; 5243 } 5244 5245 if (removeMatches) { 5246 pir.removeFilter(pa); 5247 changed = true; 5248 if (DEBUG_PREFERRED) { 5249 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5250 } 5251 break; 5252 } 5253 5254 // Okay we found a previously set preferred or last chosen app. 5255 // If the result set is different from when this 5256 // was created, we need to clear it and re-ask the 5257 // user their preference, if we're looking for an "always" type entry. 5258 if (always && !pa.mPref.sameSet(query)) { 5259 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5260 + intent + " type " + resolvedType); 5261 if (DEBUG_PREFERRED) { 5262 Slog.v(TAG, "Removing preferred activity since set changed " 5263 + pa.mPref.mComponent); 5264 } 5265 pir.removeFilter(pa); 5266 // Re-add the filter as a "last chosen" entry (!always) 5267 PreferredActivity lastChosen = new PreferredActivity( 5268 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5269 pir.addFilter(lastChosen); 5270 changed = true; 5271 return null; 5272 } 5273 5274 // Yay! Either the set matched or we're looking for the last chosen 5275 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5276 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5277 return ri; 5278 } 5279 } 5280 } finally { 5281 if (changed) { 5282 if (DEBUG_PREFERRED) { 5283 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5284 } 5285 scheduleWritePackageRestrictionsLocked(userId); 5286 } 5287 } 5288 } 5289 } 5290 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5291 return null; 5292 } 5293 5294 /* 5295 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5296 */ 5297 @Override 5298 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5299 int targetUserId) { 5300 mContext.enforceCallingOrSelfPermission( 5301 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5302 List<CrossProfileIntentFilter> matches = 5303 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5304 if (matches != null) { 5305 int size = matches.size(); 5306 for (int i = 0; i < size; i++) { 5307 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5308 } 5309 } 5310 if (hasWebURI(intent)) { 5311 // cross-profile app linking works only towards the parent. 5312 final UserInfo parent = getProfileParent(sourceUserId); 5313 synchronized(mPackages) { 5314 int flags = updateFlagsForResolve(0, parent.id, intent); 5315 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5316 intent, resolvedType, flags, sourceUserId, parent.id); 5317 return xpDomainInfo != null; 5318 } 5319 } 5320 return false; 5321 } 5322 5323 private UserInfo getProfileParent(int userId) { 5324 final long identity = Binder.clearCallingIdentity(); 5325 try { 5326 return sUserManager.getProfileParent(userId); 5327 } finally { 5328 Binder.restoreCallingIdentity(identity); 5329 } 5330 } 5331 5332 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5333 String resolvedType, int userId) { 5334 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5335 if (resolver != null) { 5336 return resolver.queryIntent(intent, resolvedType, false, userId); 5337 } 5338 return null; 5339 } 5340 5341 @Override 5342 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5343 String resolvedType, int flags, int userId) { 5344 try { 5345 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5346 5347 return new ParceledListSlice<>( 5348 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5349 } finally { 5350 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5351 } 5352 } 5353 5354 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5355 String resolvedType, int flags, int userId) { 5356 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5357 flags = updateFlagsForResolve(flags, userId, intent); 5358 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5359 false /* requireFullPermission */, false /* checkShell */, 5360 "query intent activities"); 5361 ComponentName comp = intent.getComponent(); 5362 if (comp == null) { 5363 if (intent.getSelector() != null) { 5364 intent = intent.getSelector(); 5365 comp = intent.getComponent(); 5366 } 5367 } 5368 5369 if (comp != null) { 5370 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5371 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5372 if (ai != null) { 5373 final ResolveInfo ri = new ResolveInfo(); 5374 ri.activityInfo = ai; 5375 list.add(ri); 5376 } 5377 return list; 5378 } 5379 5380 // reader 5381 synchronized (mPackages) { 5382 final String pkgName = intent.getPackage(); 5383 if (pkgName == null) { 5384 List<CrossProfileIntentFilter> matchingFilters = 5385 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5386 // Check for results that need to skip the current profile. 5387 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5388 resolvedType, flags, userId); 5389 if (xpResolveInfo != null) { 5390 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5391 result.add(xpResolveInfo); 5392 return filterIfNotSystemUser(result, userId); 5393 } 5394 5395 // Check for results in the current profile. 5396 List<ResolveInfo> result = mActivities.queryIntent( 5397 intent, resolvedType, flags, userId); 5398 result = filterIfNotSystemUser(result, userId); 5399 5400 // Check for cross profile results. 5401 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5402 xpResolveInfo = queryCrossProfileIntents( 5403 matchingFilters, intent, resolvedType, flags, userId, 5404 hasNonNegativePriorityResult); 5405 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5406 boolean isVisibleToUser = filterIfNotSystemUser( 5407 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5408 if (isVisibleToUser) { 5409 result.add(xpResolveInfo); 5410 Collections.sort(result, mResolvePrioritySorter); 5411 } 5412 } 5413 if (hasWebURI(intent)) { 5414 CrossProfileDomainInfo xpDomainInfo = null; 5415 final UserInfo parent = getProfileParent(userId); 5416 if (parent != null) { 5417 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5418 flags, userId, parent.id); 5419 } 5420 if (xpDomainInfo != null) { 5421 if (xpResolveInfo != null) { 5422 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5423 // in the result. 5424 result.remove(xpResolveInfo); 5425 } 5426 if (result.size() == 0) { 5427 result.add(xpDomainInfo.resolveInfo); 5428 return result; 5429 } 5430 } else if (result.size() <= 1) { 5431 return result; 5432 } 5433 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5434 xpDomainInfo, userId); 5435 Collections.sort(result, mResolvePrioritySorter); 5436 } 5437 return result; 5438 } 5439 final PackageParser.Package pkg = mPackages.get(pkgName); 5440 if (pkg != null) { 5441 return filterIfNotSystemUser( 5442 mActivities.queryIntentForPackage( 5443 intent, resolvedType, flags, pkg.activities, userId), 5444 userId); 5445 } 5446 return new ArrayList<ResolveInfo>(); 5447 } 5448 } 5449 5450 private static class CrossProfileDomainInfo { 5451 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5452 ResolveInfo resolveInfo; 5453 /* Best domain verification status of the activities found in the other profile */ 5454 int bestDomainVerificationStatus; 5455 } 5456 5457 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5458 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5459 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5460 sourceUserId)) { 5461 return null; 5462 } 5463 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5464 resolvedType, flags, parentUserId); 5465 5466 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5467 return null; 5468 } 5469 CrossProfileDomainInfo result = null; 5470 int size = resultTargetUser.size(); 5471 for (int i = 0; i < size; i++) { 5472 ResolveInfo riTargetUser = resultTargetUser.get(i); 5473 // Intent filter verification is only for filters that specify a host. So don't return 5474 // those that handle all web uris. 5475 if (riTargetUser.handleAllWebDataURI) { 5476 continue; 5477 } 5478 String packageName = riTargetUser.activityInfo.packageName; 5479 PackageSetting ps = mSettings.mPackages.get(packageName); 5480 if (ps == null) { 5481 continue; 5482 } 5483 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5484 int status = (int)(verificationState >> 32); 5485 if (result == null) { 5486 result = new CrossProfileDomainInfo(); 5487 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5488 sourceUserId, parentUserId); 5489 result.bestDomainVerificationStatus = status; 5490 } else { 5491 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5492 result.bestDomainVerificationStatus); 5493 } 5494 } 5495 // Don't consider matches with status NEVER across profiles. 5496 if (result != null && result.bestDomainVerificationStatus 5497 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5498 return null; 5499 } 5500 return result; 5501 } 5502 5503 /** 5504 * Verification statuses are ordered from the worse to the best, except for 5505 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5506 */ 5507 private int bestDomainVerificationStatus(int status1, int status2) { 5508 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5509 return status2; 5510 } 5511 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5512 return status1; 5513 } 5514 return (int) MathUtils.max(status1, status2); 5515 } 5516 5517 private boolean isUserEnabled(int userId) { 5518 long callingId = Binder.clearCallingIdentity(); 5519 try { 5520 UserInfo userInfo = sUserManager.getUserInfo(userId); 5521 return userInfo != null && userInfo.isEnabled(); 5522 } finally { 5523 Binder.restoreCallingIdentity(callingId); 5524 } 5525 } 5526 5527 /** 5528 * Filter out activities with systemUserOnly flag set, when current user is not System. 5529 * 5530 * @return filtered list 5531 */ 5532 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5533 if (userId == UserHandle.USER_SYSTEM) { 5534 return resolveInfos; 5535 } 5536 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5537 ResolveInfo info = resolveInfos.get(i); 5538 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5539 resolveInfos.remove(i); 5540 } 5541 } 5542 return resolveInfos; 5543 } 5544 5545 /** 5546 * @param resolveInfos list of resolve infos in descending priority order 5547 * @return if the list contains a resolve info with non-negative priority 5548 */ 5549 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5550 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5551 } 5552 5553 private static boolean hasWebURI(Intent intent) { 5554 if (intent.getData() == null) { 5555 return false; 5556 } 5557 final String scheme = intent.getScheme(); 5558 if (TextUtils.isEmpty(scheme)) { 5559 return false; 5560 } 5561 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5562 } 5563 5564 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5565 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5566 int userId) { 5567 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5568 5569 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5570 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5571 candidates.size()); 5572 } 5573 5574 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5575 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5576 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5577 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5578 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5579 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5580 5581 synchronized (mPackages) { 5582 final int count = candidates.size(); 5583 // First, try to use linked apps. Partition the candidates into four lists: 5584 // one for the final results, one for the "do not use ever", one for "undefined status" 5585 // and finally one for "browser app type". 5586 for (int n=0; n<count; n++) { 5587 ResolveInfo info = candidates.get(n); 5588 String packageName = info.activityInfo.packageName; 5589 PackageSetting ps = mSettings.mPackages.get(packageName); 5590 if (ps != null) { 5591 // Add to the special match all list (Browser use case) 5592 if (info.handleAllWebDataURI) { 5593 matchAllList.add(info); 5594 continue; 5595 } 5596 // Try to get the status from User settings first 5597 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5598 int status = (int)(packedStatus >> 32); 5599 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5600 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5601 if (DEBUG_DOMAIN_VERIFICATION) { 5602 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5603 + " : linkgen=" + linkGeneration); 5604 } 5605 // Use link-enabled generation as preferredOrder, i.e. 5606 // prefer newly-enabled over earlier-enabled. 5607 info.preferredOrder = linkGeneration; 5608 alwaysList.add(info); 5609 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5610 if (DEBUG_DOMAIN_VERIFICATION) { 5611 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5612 } 5613 neverList.add(info); 5614 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5615 if (DEBUG_DOMAIN_VERIFICATION) { 5616 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5617 } 5618 alwaysAskList.add(info); 5619 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5620 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5621 if (DEBUG_DOMAIN_VERIFICATION) { 5622 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5623 } 5624 undefinedList.add(info); 5625 } 5626 } 5627 } 5628 5629 // We'll want to include browser possibilities in a few cases 5630 boolean includeBrowser = false; 5631 5632 // First try to add the "always" resolution(s) for the current user, if any 5633 if (alwaysList.size() > 0) { 5634 result.addAll(alwaysList); 5635 } else { 5636 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5637 result.addAll(undefinedList); 5638 // Maybe add one for the other profile. 5639 if (xpDomainInfo != null && ( 5640 xpDomainInfo.bestDomainVerificationStatus 5641 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5642 result.add(xpDomainInfo.resolveInfo); 5643 } 5644 includeBrowser = true; 5645 } 5646 5647 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5648 // If there were 'always' entries their preferred order has been set, so we also 5649 // back that off to make the alternatives equivalent 5650 if (alwaysAskList.size() > 0) { 5651 for (ResolveInfo i : result) { 5652 i.preferredOrder = 0; 5653 } 5654 result.addAll(alwaysAskList); 5655 includeBrowser = true; 5656 } 5657 5658 if (includeBrowser) { 5659 // Also add browsers (all of them or only the default one) 5660 if (DEBUG_DOMAIN_VERIFICATION) { 5661 Slog.v(TAG, " ...including browsers in candidate set"); 5662 } 5663 if ((matchFlags & MATCH_ALL) != 0) { 5664 result.addAll(matchAllList); 5665 } else { 5666 // Browser/generic handling case. If there's a default browser, go straight 5667 // to that (but only if there is no other higher-priority match). 5668 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5669 int maxMatchPrio = 0; 5670 ResolveInfo defaultBrowserMatch = null; 5671 final int numCandidates = matchAllList.size(); 5672 for (int n = 0; n < numCandidates; n++) { 5673 ResolveInfo info = matchAllList.get(n); 5674 // track the highest overall match priority... 5675 if (info.priority > maxMatchPrio) { 5676 maxMatchPrio = info.priority; 5677 } 5678 // ...and the highest-priority default browser match 5679 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5680 if (defaultBrowserMatch == null 5681 || (defaultBrowserMatch.priority < info.priority)) { 5682 if (debug) { 5683 Slog.v(TAG, "Considering default browser match " + info); 5684 } 5685 defaultBrowserMatch = info; 5686 } 5687 } 5688 } 5689 if (defaultBrowserMatch != null 5690 && defaultBrowserMatch.priority >= maxMatchPrio 5691 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5692 { 5693 if (debug) { 5694 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5695 } 5696 result.add(defaultBrowserMatch); 5697 } else { 5698 result.addAll(matchAllList); 5699 } 5700 } 5701 5702 // If there is nothing selected, add all candidates and remove the ones that the user 5703 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5704 if (result.size() == 0) { 5705 result.addAll(candidates); 5706 result.removeAll(neverList); 5707 } 5708 } 5709 } 5710 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5711 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5712 result.size()); 5713 for (ResolveInfo info : result) { 5714 Slog.v(TAG, " + " + info.activityInfo); 5715 } 5716 } 5717 return result; 5718 } 5719 5720 // Returns a packed value as a long: 5721 // 5722 // high 'int'-sized word: link status: undefined/ask/never/always. 5723 // low 'int'-sized word: relative priority among 'always' results. 5724 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5725 long result = ps.getDomainVerificationStatusForUser(userId); 5726 // if none available, get the master status 5727 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5728 if (ps.getIntentFilterVerificationInfo() != null) { 5729 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5730 } 5731 } 5732 return result; 5733 } 5734 5735 private ResolveInfo querySkipCurrentProfileIntents( 5736 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5737 int flags, int sourceUserId) { 5738 if (matchingFilters != null) { 5739 int size = matchingFilters.size(); 5740 for (int i = 0; i < size; i ++) { 5741 CrossProfileIntentFilter filter = matchingFilters.get(i); 5742 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5743 // Checking if there are activities in the target user that can handle the 5744 // intent. 5745 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5746 resolvedType, flags, sourceUserId); 5747 if (resolveInfo != null) { 5748 return resolveInfo; 5749 } 5750 } 5751 } 5752 } 5753 return null; 5754 } 5755 5756 // Return matching ResolveInfo in target user if any. 5757 private ResolveInfo queryCrossProfileIntents( 5758 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5759 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5760 if (matchingFilters != null) { 5761 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5762 // match the same intent. For performance reasons, it is better not to 5763 // run queryIntent twice for the same userId 5764 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5765 int size = matchingFilters.size(); 5766 for (int i = 0; i < size; i++) { 5767 CrossProfileIntentFilter filter = matchingFilters.get(i); 5768 int targetUserId = filter.getTargetUserId(); 5769 boolean skipCurrentProfile = 5770 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5771 boolean skipCurrentProfileIfNoMatchFound = 5772 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5773 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5774 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5775 // Checking if there are activities in the target user that can handle the 5776 // intent. 5777 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5778 resolvedType, flags, sourceUserId); 5779 if (resolveInfo != null) return resolveInfo; 5780 alreadyTriedUserIds.put(targetUserId, true); 5781 } 5782 } 5783 } 5784 return null; 5785 } 5786 5787 /** 5788 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5789 * will forward the intent to the filter's target user. 5790 * Otherwise, returns null. 5791 */ 5792 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5793 String resolvedType, int flags, int sourceUserId) { 5794 int targetUserId = filter.getTargetUserId(); 5795 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5796 resolvedType, flags, targetUserId); 5797 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5798 // If all the matches in the target profile are suspended, return null. 5799 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5800 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5801 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5802 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5803 targetUserId); 5804 } 5805 } 5806 } 5807 return null; 5808 } 5809 5810 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5811 int sourceUserId, int targetUserId) { 5812 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5813 long ident = Binder.clearCallingIdentity(); 5814 boolean targetIsProfile; 5815 try { 5816 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5817 } finally { 5818 Binder.restoreCallingIdentity(ident); 5819 } 5820 String className; 5821 if (targetIsProfile) { 5822 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5823 } else { 5824 className = FORWARD_INTENT_TO_PARENT; 5825 } 5826 ComponentName forwardingActivityComponentName = new ComponentName( 5827 mAndroidApplication.packageName, className); 5828 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5829 sourceUserId); 5830 if (!targetIsProfile) { 5831 forwardingActivityInfo.showUserIcon = targetUserId; 5832 forwardingResolveInfo.noResourceId = true; 5833 } 5834 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5835 forwardingResolveInfo.priority = 0; 5836 forwardingResolveInfo.preferredOrder = 0; 5837 forwardingResolveInfo.match = 0; 5838 forwardingResolveInfo.isDefault = true; 5839 forwardingResolveInfo.filter = filter; 5840 forwardingResolveInfo.targetUserId = targetUserId; 5841 return forwardingResolveInfo; 5842 } 5843 5844 @Override 5845 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5846 Intent[] specifics, String[] specificTypes, Intent intent, 5847 String resolvedType, int flags, int userId) { 5848 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5849 specificTypes, intent, resolvedType, flags, userId)); 5850 } 5851 5852 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5853 Intent[] specifics, String[] specificTypes, Intent intent, 5854 String resolvedType, int flags, int userId) { 5855 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5856 flags = updateFlagsForResolve(flags, userId, intent); 5857 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5858 false /* requireFullPermission */, false /* checkShell */, 5859 "query intent activity options"); 5860 final String resultsAction = intent.getAction(); 5861 5862 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5863 | PackageManager.GET_RESOLVED_FILTER, userId); 5864 5865 if (DEBUG_INTENT_MATCHING) { 5866 Log.v(TAG, "Query " + intent + ": " + results); 5867 } 5868 5869 int specificsPos = 0; 5870 int N; 5871 5872 // todo: note that the algorithm used here is O(N^2). This 5873 // isn't a problem in our current environment, but if we start running 5874 // into situations where we have more than 5 or 10 matches then this 5875 // should probably be changed to something smarter... 5876 5877 // First we go through and resolve each of the specific items 5878 // that were supplied, taking care of removing any corresponding 5879 // duplicate items in the generic resolve list. 5880 if (specifics != null) { 5881 for (int i=0; i<specifics.length; i++) { 5882 final Intent sintent = specifics[i]; 5883 if (sintent == null) { 5884 continue; 5885 } 5886 5887 if (DEBUG_INTENT_MATCHING) { 5888 Log.v(TAG, "Specific #" + i + ": " + sintent); 5889 } 5890 5891 String action = sintent.getAction(); 5892 if (resultsAction != null && resultsAction.equals(action)) { 5893 // If this action was explicitly requested, then don't 5894 // remove things that have it. 5895 action = null; 5896 } 5897 5898 ResolveInfo ri = null; 5899 ActivityInfo ai = null; 5900 5901 ComponentName comp = sintent.getComponent(); 5902 if (comp == null) { 5903 ri = resolveIntent( 5904 sintent, 5905 specificTypes != null ? specificTypes[i] : null, 5906 flags, userId); 5907 if (ri == null) { 5908 continue; 5909 } 5910 if (ri == mResolveInfo) { 5911 // ACK! Must do something better with this. 5912 } 5913 ai = ri.activityInfo; 5914 comp = new ComponentName(ai.applicationInfo.packageName, 5915 ai.name); 5916 } else { 5917 ai = getActivityInfo(comp, flags, userId); 5918 if (ai == null) { 5919 continue; 5920 } 5921 } 5922 5923 // Look for any generic query activities that are duplicates 5924 // of this specific one, and remove them from the results. 5925 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5926 N = results.size(); 5927 int j; 5928 for (j=specificsPos; j<N; j++) { 5929 ResolveInfo sri = results.get(j); 5930 if ((sri.activityInfo.name.equals(comp.getClassName()) 5931 && sri.activityInfo.applicationInfo.packageName.equals( 5932 comp.getPackageName())) 5933 || (action != null && sri.filter.matchAction(action))) { 5934 results.remove(j); 5935 if (DEBUG_INTENT_MATCHING) Log.v( 5936 TAG, "Removing duplicate item from " + j 5937 + " due to specific " + specificsPos); 5938 if (ri == null) { 5939 ri = sri; 5940 } 5941 j--; 5942 N--; 5943 } 5944 } 5945 5946 // Add this specific item to its proper place. 5947 if (ri == null) { 5948 ri = new ResolveInfo(); 5949 ri.activityInfo = ai; 5950 } 5951 results.add(specificsPos, ri); 5952 ri.specificIndex = i; 5953 specificsPos++; 5954 } 5955 } 5956 5957 // Now we go through the remaining generic results and remove any 5958 // duplicate actions that are found here. 5959 N = results.size(); 5960 for (int i=specificsPos; i<N-1; i++) { 5961 final ResolveInfo rii = results.get(i); 5962 if (rii.filter == null) { 5963 continue; 5964 } 5965 5966 // Iterate over all of the actions of this result's intent 5967 // filter... typically this should be just one. 5968 final Iterator<String> it = rii.filter.actionsIterator(); 5969 if (it == null) { 5970 continue; 5971 } 5972 while (it.hasNext()) { 5973 final String action = it.next(); 5974 if (resultsAction != null && resultsAction.equals(action)) { 5975 // If this action was explicitly requested, then don't 5976 // remove things that have it. 5977 continue; 5978 } 5979 for (int j=i+1; j<N; j++) { 5980 final ResolveInfo rij = results.get(j); 5981 if (rij.filter != null && rij.filter.hasAction(action)) { 5982 results.remove(j); 5983 if (DEBUG_INTENT_MATCHING) Log.v( 5984 TAG, "Removing duplicate item from " + j 5985 + " due to action " + action + " at " + i); 5986 j--; 5987 N--; 5988 } 5989 } 5990 } 5991 5992 // If the caller didn't request filter information, drop it now 5993 // so we don't have to marshall/unmarshall it. 5994 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5995 rii.filter = null; 5996 } 5997 } 5998 5999 // Filter out the caller activity if so requested. 6000 if (caller != null) { 6001 N = results.size(); 6002 for (int i=0; i<N; i++) { 6003 ActivityInfo ainfo = results.get(i).activityInfo; 6004 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6005 && caller.getClassName().equals(ainfo.name)) { 6006 results.remove(i); 6007 break; 6008 } 6009 } 6010 } 6011 6012 // If the caller didn't request filter information, 6013 // drop them now so we don't have to 6014 // marshall/unmarshall it. 6015 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6016 N = results.size(); 6017 for (int i=0; i<N; i++) { 6018 results.get(i).filter = null; 6019 } 6020 } 6021 6022 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6023 return results; 6024 } 6025 6026 @Override 6027 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6028 String resolvedType, int flags, int userId) { 6029 return new ParceledListSlice<>( 6030 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6031 } 6032 6033 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6034 String resolvedType, int flags, int userId) { 6035 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6036 flags = updateFlagsForResolve(flags, userId, intent); 6037 ComponentName comp = intent.getComponent(); 6038 if (comp == null) { 6039 if (intent.getSelector() != null) { 6040 intent = intent.getSelector(); 6041 comp = intent.getComponent(); 6042 } 6043 } 6044 if (comp != null) { 6045 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6046 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6047 if (ai != null) { 6048 ResolveInfo ri = new ResolveInfo(); 6049 ri.activityInfo = ai; 6050 list.add(ri); 6051 } 6052 return list; 6053 } 6054 6055 // reader 6056 synchronized (mPackages) { 6057 String pkgName = intent.getPackage(); 6058 if (pkgName == null) { 6059 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6060 } 6061 final PackageParser.Package pkg = mPackages.get(pkgName); 6062 if (pkg != null) { 6063 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6064 userId); 6065 } 6066 return Collections.emptyList(); 6067 } 6068 } 6069 6070 @Override 6071 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6072 if (!sUserManager.exists(userId)) return null; 6073 flags = updateFlagsForResolve(flags, userId, intent); 6074 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6075 if (query != null) { 6076 if (query.size() >= 1) { 6077 // If there is more than one service with the same priority, 6078 // just arbitrarily pick the first one. 6079 return query.get(0); 6080 } 6081 } 6082 return null; 6083 } 6084 6085 @Override 6086 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6087 String resolvedType, int flags, int userId) { 6088 return new ParceledListSlice<>( 6089 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6090 } 6091 6092 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6093 String resolvedType, int flags, int userId) { 6094 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6095 flags = updateFlagsForResolve(flags, userId, intent); 6096 ComponentName comp = intent.getComponent(); 6097 if (comp == null) { 6098 if (intent.getSelector() != null) { 6099 intent = intent.getSelector(); 6100 comp = intent.getComponent(); 6101 } 6102 } 6103 if (comp != null) { 6104 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6105 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6106 if (si != null) { 6107 final ResolveInfo ri = new ResolveInfo(); 6108 ri.serviceInfo = si; 6109 list.add(ri); 6110 } 6111 return list; 6112 } 6113 6114 // reader 6115 synchronized (mPackages) { 6116 String pkgName = intent.getPackage(); 6117 if (pkgName == null) { 6118 return mServices.queryIntent(intent, resolvedType, flags, userId); 6119 } 6120 final PackageParser.Package pkg = mPackages.get(pkgName); 6121 if (pkg != null) { 6122 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6123 userId); 6124 } 6125 return Collections.emptyList(); 6126 } 6127 } 6128 6129 @Override 6130 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6131 String resolvedType, int flags, int userId) { 6132 return new ParceledListSlice<>( 6133 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6134 } 6135 6136 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6137 Intent intent, String resolvedType, int flags, int userId) { 6138 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6139 flags = updateFlagsForResolve(flags, userId, intent); 6140 ComponentName comp = intent.getComponent(); 6141 if (comp == null) { 6142 if (intent.getSelector() != null) { 6143 intent = intent.getSelector(); 6144 comp = intent.getComponent(); 6145 } 6146 } 6147 if (comp != null) { 6148 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6149 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6150 if (pi != null) { 6151 final ResolveInfo ri = new ResolveInfo(); 6152 ri.providerInfo = pi; 6153 list.add(ri); 6154 } 6155 return list; 6156 } 6157 6158 // reader 6159 synchronized (mPackages) { 6160 String pkgName = intent.getPackage(); 6161 if (pkgName == null) { 6162 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6163 } 6164 final PackageParser.Package pkg = mPackages.get(pkgName); 6165 if (pkg != null) { 6166 return mProviders.queryIntentForPackage( 6167 intent, resolvedType, flags, pkg.providers, userId); 6168 } 6169 return Collections.emptyList(); 6170 } 6171 } 6172 6173 @Override 6174 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6175 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6176 flags = updateFlagsForPackage(flags, userId, null); 6177 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6178 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6179 true /* requireFullPermission */, false /* checkShell */, 6180 "get installed packages"); 6181 6182 // writer 6183 synchronized (mPackages) { 6184 ArrayList<PackageInfo> list; 6185 if (listUninstalled) { 6186 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6187 for (PackageSetting ps : mSettings.mPackages.values()) { 6188 final PackageInfo pi; 6189 if (ps.pkg != null) { 6190 pi = generatePackageInfo(ps, flags, userId); 6191 } else { 6192 pi = generatePackageInfo(ps, flags, userId); 6193 } 6194 if (pi != null) { 6195 list.add(pi); 6196 } 6197 } 6198 } else { 6199 list = new ArrayList<PackageInfo>(mPackages.size()); 6200 for (PackageParser.Package p : mPackages.values()) { 6201 final PackageInfo pi = 6202 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6203 if (pi != null) { 6204 list.add(pi); 6205 } 6206 } 6207 } 6208 6209 return new ParceledListSlice<PackageInfo>(list); 6210 } 6211 } 6212 6213 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6214 String[] permissions, boolean[] tmp, int flags, int userId) { 6215 int numMatch = 0; 6216 final PermissionsState permissionsState = ps.getPermissionsState(); 6217 for (int i=0; i<permissions.length; i++) { 6218 final String permission = permissions[i]; 6219 if (permissionsState.hasPermission(permission, userId)) { 6220 tmp[i] = true; 6221 numMatch++; 6222 } else { 6223 tmp[i] = false; 6224 } 6225 } 6226 if (numMatch == 0) { 6227 return; 6228 } 6229 final PackageInfo pi; 6230 if (ps.pkg != null) { 6231 pi = generatePackageInfo(ps, flags, userId); 6232 } else { 6233 pi = generatePackageInfo(ps, flags, userId); 6234 } 6235 // The above might return null in cases of uninstalled apps or install-state 6236 // skew across users/profiles. 6237 if (pi != null) { 6238 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6239 if (numMatch == permissions.length) { 6240 pi.requestedPermissions = permissions; 6241 } else { 6242 pi.requestedPermissions = new String[numMatch]; 6243 numMatch = 0; 6244 for (int i=0; i<permissions.length; i++) { 6245 if (tmp[i]) { 6246 pi.requestedPermissions[numMatch] = permissions[i]; 6247 numMatch++; 6248 } 6249 } 6250 } 6251 } 6252 list.add(pi); 6253 } 6254 } 6255 6256 @Override 6257 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6258 String[] permissions, int flags, int userId) { 6259 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6260 flags = updateFlagsForPackage(flags, userId, permissions); 6261 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6262 6263 // writer 6264 synchronized (mPackages) { 6265 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6266 boolean[] tmpBools = new boolean[permissions.length]; 6267 if (listUninstalled) { 6268 for (PackageSetting ps : mSettings.mPackages.values()) { 6269 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6270 } 6271 } else { 6272 for (PackageParser.Package pkg : mPackages.values()) { 6273 PackageSetting ps = (PackageSetting)pkg.mExtras; 6274 if (ps != null) { 6275 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6276 userId); 6277 } 6278 } 6279 } 6280 6281 return new ParceledListSlice<PackageInfo>(list); 6282 } 6283 } 6284 6285 @Override 6286 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6287 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6288 flags = updateFlagsForApplication(flags, userId, null); 6289 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6290 6291 // writer 6292 synchronized (mPackages) { 6293 ArrayList<ApplicationInfo> list; 6294 if (listUninstalled) { 6295 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6296 for (PackageSetting ps : mSettings.mPackages.values()) { 6297 ApplicationInfo ai; 6298 if (ps.pkg != null) { 6299 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6300 ps.readUserState(userId), userId); 6301 } else { 6302 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6303 } 6304 if (ai != null) { 6305 list.add(ai); 6306 } 6307 } 6308 } else { 6309 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6310 for (PackageParser.Package p : mPackages.values()) { 6311 if (p.mExtras != null) { 6312 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6313 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6314 if (ai != null) { 6315 list.add(ai); 6316 } 6317 } 6318 } 6319 } 6320 6321 return new ParceledListSlice<ApplicationInfo>(list); 6322 } 6323 } 6324 6325 @Override 6326 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6327 if (DISABLE_EPHEMERAL_APPS) { 6328 return null; 6329 } 6330 6331 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6332 "getEphemeralApplications"); 6333 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6334 true /* requireFullPermission */, false /* checkShell */, 6335 "getEphemeralApplications"); 6336 synchronized (mPackages) { 6337 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6338 .getEphemeralApplicationsLPw(userId); 6339 if (ephemeralApps != null) { 6340 return new ParceledListSlice<>(ephemeralApps); 6341 } 6342 } 6343 return null; 6344 } 6345 6346 @Override 6347 public boolean isEphemeralApplication(String packageName, int userId) { 6348 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6349 true /* requireFullPermission */, false /* checkShell */, 6350 "isEphemeral"); 6351 if (DISABLE_EPHEMERAL_APPS) { 6352 return false; 6353 } 6354 6355 if (!isCallerSameApp(packageName)) { 6356 return false; 6357 } 6358 synchronized (mPackages) { 6359 PackageParser.Package pkg = mPackages.get(packageName); 6360 if (pkg != null) { 6361 return pkg.applicationInfo.isEphemeralApp(); 6362 } 6363 } 6364 return false; 6365 } 6366 6367 @Override 6368 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6369 if (DISABLE_EPHEMERAL_APPS) { 6370 return null; 6371 } 6372 6373 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6374 true /* requireFullPermission */, false /* checkShell */, 6375 "getCookie"); 6376 if (!isCallerSameApp(packageName)) { 6377 return null; 6378 } 6379 synchronized (mPackages) { 6380 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6381 packageName, userId); 6382 } 6383 } 6384 6385 @Override 6386 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6387 if (DISABLE_EPHEMERAL_APPS) { 6388 return true; 6389 } 6390 6391 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6392 true /* requireFullPermission */, true /* checkShell */, 6393 "setCookie"); 6394 if (!isCallerSameApp(packageName)) { 6395 return false; 6396 } 6397 synchronized (mPackages) { 6398 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6399 packageName, cookie, userId); 6400 } 6401 } 6402 6403 @Override 6404 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6405 if (DISABLE_EPHEMERAL_APPS) { 6406 return null; 6407 } 6408 6409 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6410 "getEphemeralApplicationIcon"); 6411 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6412 true /* requireFullPermission */, false /* checkShell */, 6413 "getEphemeralApplicationIcon"); 6414 synchronized (mPackages) { 6415 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6416 packageName, userId); 6417 } 6418 } 6419 6420 private boolean isCallerSameApp(String packageName) { 6421 PackageParser.Package pkg = mPackages.get(packageName); 6422 return pkg != null 6423 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6424 } 6425 6426 @Override 6427 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6428 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6429 } 6430 6431 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6432 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6433 6434 // reader 6435 synchronized (mPackages) { 6436 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6437 final int userId = UserHandle.getCallingUserId(); 6438 while (i.hasNext()) { 6439 final PackageParser.Package p = i.next(); 6440 if (p.applicationInfo == null) continue; 6441 6442 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6443 && !p.applicationInfo.isDirectBootAware(); 6444 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6445 && p.applicationInfo.isDirectBootAware(); 6446 6447 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6448 && (!mSafeMode || isSystemApp(p)) 6449 && (matchesUnaware || matchesAware)) { 6450 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6451 if (ps != null) { 6452 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6453 ps.readUserState(userId), userId); 6454 if (ai != null) { 6455 finalList.add(ai); 6456 } 6457 } 6458 } 6459 } 6460 } 6461 6462 return finalList; 6463 } 6464 6465 @Override 6466 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6467 if (!sUserManager.exists(userId)) return null; 6468 flags = updateFlagsForComponent(flags, userId, name); 6469 // reader 6470 synchronized (mPackages) { 6471 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6472 PackageSetting ps = provider != null 6473 ? mSettings.mPackages.get(provider.owner.packageName) 6474 : null; 6475 return ps != null 6476 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6477 ? PackageParser.generateProviderInfo(provider, flags, 6478 ps.readUserState(userId), userId) 6479 : null; 6480 } 6481 } 6482 6483 /** 6484 * @deprecated 6485 */ 6486 @Deprecated 6487 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6488 // reader 6489 synchronized (mPackages) { 6490 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6491 .entrySet().iterator(); 6492 final int userId = UserHandle.getCallingUserId(); 6493 while (i.hasNext()) { 6494 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6495 PackageParser.Provider p = entry.getValue(); 6496 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6497 6498 if (ps != null && p.syncable 6499 && (!mSafeMode || (p.info.applicationInfo.flags 6500 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6501 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6502 ps.readUserState(userId), userId); 6503 if (info != null) { 6504 outNames.add(entry.getKey()); 6505 outInfo.add(info); 6506 } 6507 } 6508 } 6509 } 6510 } 6511 6512 @Override 6513 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6514 int uid, int flags) { 6515 final int userId = processName != null ? UserHandle.getUserId(uid) 6516 : UserHandle.getCallingUserId(); 6517 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6518 flags = updateFlagsForComponent(flags, userId, processName); 6519 6520 ArrayList<ProviderInfo> finalList = null; 6521 // reader 6522 synchronized (mPackages) { 6523 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6524 while (i.hasNext()) { 6525 final PackageParser.Provider p = i.next(); 6526 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6527 if (ps != null && p.info.authority != null 6528 && (processName == null 6529 || (p.info.processName.equals(processName) 6530 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6531 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6532 if (finalList == null) { 6533 finalList = new ArrayList<ProviderInfo>(3); 6534 } 6535 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6536 ps.readUserState(userId), userId); 6537 if (info != null) { 6538 finalList.add(info); 6539 } 6540 } 6541 } 6542 } 6543 6544 if (finalList != null) { 6545 Collections.sort(finalList, mProviderInitOrderSorter); 6546 return new ParceledListSlice<ProviderInfo>(finalList); 6547 } 6548 6549 return ParceledListSlice.emptyList(); 6550 } 6551 6552 @Override 6553 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6554 // reader 6555 synchronized (mPackages) { 6556 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6557 return PackageParser.generateInstrumentationInfo(i, flags); 6558 } 6559 } 6560 6561 @Override 6562 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6563 String targetPackage, int flags) { 6564 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6565 } 6566 6567 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6568 int flags) { 6569 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6570 6571 // reader 6572 synchronized (mPackages) { 6573 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6574 while (i.hasNext()) { 6575 final PackageParser.Instrumentation p = i.next(); 6576 if (targetPackage == null 6577 || targetPackage.equals(p.info.targetPackage)) { 6578 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6579 flags); 6580 if (ii != null) { 6581 finalList.add(ii); 6582 } 6583 } 6584 } 6585 } 6586 6587 return finalList; 6588 } 6589 6590 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6591 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6592 if (overlays == null) { 6593 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6594 return; 6595 } 6596 for (PackageParser.Package opkg : overlays.values()) { 6597 // Not much to do if idmap fails: we already logged the error 6598 // and we certainly don't want to abort installation of pkg simply 6599 // because an overlay didn't fit properly. For these reasons, 6600 // ignore the return value of createIdmapForPackagePairLI. 6601 createIdmapForPackagePairLI(pkg, opkg); 6602 } 6603 } 6604 6605 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6606 PackageParser.Package opkg) { 6607 if (!opkg.mTrustedOverlay) { 6608 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6609 opkg.baseCodePath + ": overlay not trusted"); 6610 return false; 6611 } 6612 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6613 if (overlaySet == null) { 6614 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6615 opkg.baseCodePath + " but target package has no known overlays"); 6616 return false; 6617 } 6618 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6619 // TODO: generate idmap for split APKs 6620 try { 6621 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6622 } catch (InstallerException e) { 6623 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6624 + opkg.baseCodePath); 6625 return false; 6626 } 6627 PackageParser.Package[] overlayArray = 6628 overlaySet.values().toArray(new PackageParser.Package[0]); 6629 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6630 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6631 return p1.mOverlayPriority - p2.mOverlayPriority; 6632 } 6633 }; 6634 Arrays.sort(overlayArray, cmp); 6635 6636 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6637 int i = 0; 6638 for (PackageParser.Package p : overlayArray) { 6639 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6640 } 6641 return true; 6642 } 6643 6644 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6645 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6646 try { 6647 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6648 } finally { 6649 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6650 } 6651 } 6652 6653 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6654 final File[] files = dir.listFiles(); 6655 if (ArrayUtils.isEmpty(files)) { 6656 Log.d(TAG, "No files in app dir " + dir); 6657 return; 6658 } 6659 6660 if (DEBUG_PACKAGE_SCANNING) { 6661 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6662 + " flags=0x" + Integer.toHexString(parseFlags)); 6663 } 6664 6665 for (File file : files) { 6666 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6667 && !PackageInstallerService.isStageName(file.getName()); 6668 if (!isPackage) { 6669 // Ignore entries which are not packages 6670 continue; 6671 } 6672 try { 6673 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6674 scanFlags, currentTime, null); 6675 } catch (PackageManagerException e) { 6676 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6677 6678 // Delete invalid userdata apps 6679 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6680 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6681 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6682 removeCodePathLI(file); 6683 } 6684 } 6685 } 6686 } 6687 6688 private static File getSettingsProblemFile() { 6689 File dataDir = Environment.getDataDirectory(); 6690 File systemDir = new File(dataDir, "system"); 6691 File fname = new File(systemDir, "uiderrors.txt"); 6692 return fname; 6693 } 6694 6695 static void reportSettingsProblem(int priority, String msg) { 6696 logCriticalInfo(priority, msg); 6697 } 6698 6699 static void logCriticalInfo(int priority, String msg) { 6700 Slog.println(priority, TAG, msg); 6701 EventLogTags.writePmCriticalInfo(msg); 6702 try { 6703 File fname = getSettingsProblemFile(); 6704 FileOutputStream out = new FileOutputStream(fname, true); 6705 PrintWriter pw = new FastPrintWriter(out); 6706 SimpleDateFormat formatter = new SimpleDateFormat(); 6707 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6708 pw.println(dateString + ": " + msg); 6709 pw.close(); 6710 FileUtils.setPermissions( 6711 fname.toString(), 6712 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6713 -1, -1); 6714 } catch (java.io.IOException e) { 6715 } 6716 } 6717 6718 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6719 final int policyFlags) throws PackageManagerException { 6720 if (ps != null 6721 && ps.codePath.equals(srcFile) 6722 && ps.timeStamp == srcFile.lastModified() 6723 && !isCompatSignatureUpdateNeeded(pkg) 6724 && !isRecoverSignatureUpdateNeeded(pkg)) { 6725 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6726 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6727 ArraySet<PublicKey> signingKs; 6728 synchronized (mPackages) { 6729 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6730 } 6731 if (ps.signatures.mSignatures != null 6732 && ps.signatures.mSignatures.length != 0 6733 && signingKs != null) { 6734 // Optimization: reuse the existing cached certificates 6735 // if the package appears to be unchanged. 6736 pkg.mSignatures = ps.signatures.mSignatures; 6737 pkg.mSigningKeys = signingKs; 6738 return; 6739 } 6740 6741 Slog.w(TAG, "PackageSetting for " + ps.name 6742 + " is missing signatures. Collecting certs again to recover them."); 6743 } else { 6744 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6745 } 6746 6747 try { 6748 PackageParser.collectCertificates(pkg, policyFlags); 6749 } catch (PackageParserException e) { 6750 throw PackageManagerException.from(e); 6751 } 6752 } 6753 6754 /** 6755 * Traces a package scan. 6756 * @see #scanPackageLI(File, int, int, long, UserHandle) 6757 */ 6758 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6759 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6760 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6761 try { 6762 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6763 } finally { 6764 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6765 } 6766 } 6767 6768 /** 6769 * Scans a package and returns the newly parsed package. 6770 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6771 */ 6772 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6773 long currentTime, UserHandle user) throws PackageManagerException { 6774 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6775 PackageParser pp = new PackageParser(); 6776 pp.setSeparateProcesses(mSeparateProcesses); 6777 pp.setOnlyCoreApps(mOnlyCore); 6778 pp.setDisplayMetrics(mMetrics); 6779 6780 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6781 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6782 } 6783 6784 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6785 final PackageParser.Package pkg; 6786 try { 6787 pkg = pp.parsePackage(scanFile, parseFlags); 6788 } catch (PackageParserException e) { 6789 throw PackageManagerException.from(e); 6790 } finally { 6791 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6792 } 6793 6794 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6795 } 6796 6797 /** 6798 * Scans a package and returns the newly parsed package. 6799 * @throws PackageManagerException on a parse error. 6800 */ 6801 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6802 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6803 throws PackageManagerException { 6804 // If the package has children and this is the first dive in the function 6805 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6806 // packages (parent and children) would be successfully scanned before the 6807 // actual scan since scanning mutates internal state and we want to atomically 6808 // install the package and its children. 6809 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6810 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6811 scanFlags |= SCAN_CHECK_ONLY; 6812 } 6813 } else { 6814 scanFlags &= ~SCAN_CHECK_ONLY; 6815 } 6816 6817 // Scan the parent 6818 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6819 scanFlags, currentTime, user); 6820 6821 // Scan the children 6822 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6823 for (int i = 0; i < childCount; i++) { 6824 PackageParser.Package childPackage = pkg.childPackages.get(i); 6825 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6826 currentTime, user); 6827 } 6828 6829 6830 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6831 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6832 } 6833 6834 return scannedPkg; 6835 } 6836 6837 /** 6838 * Scans a package and returns the newly parsed package. 6839 * @throws PackageManagerException on a parse error. 6840 */ 6841 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6842 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6843 throws PackageManagerException { 6844 PackageSetting ps = null; 6845 PackageSetting updatedPkg; 6846 // reader 6847 synchronized (mPackages) { 6848 // Look to see if we already know about this package. 6849 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6850 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6851 // This package has been renamed to its original name. Let's 6852 // use that. 6853 ps = mSettings.peekPackageLPr(oldName); 6854 } 6855 // If there was no original package, see one for the real package name. 6856 if (ps == null) { 6857 ps = mSettings.peekPackageLPr(pkg.packageName); 6858 } 6859 // Check to see if this package could be hiding/updating a system 6860 // package. Must look for it either under the original or real 6861 // package name depending on our state. 6862 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6863 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6864 6865 // If this is a package we don't know about on the system partition, we 6866 // may need to remove disabled child packages on the system partition 6867 // or may need to not add child packages if the parent apk is updated 6868 // on the data partition and no longer defines this child package. 6869 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6870 // If this is a parent package for an updated system app and this system 6871 // app got an OTA update which no longer defines some of the child packages 6872 // we have to prune them from the disabled system packages. 6873 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6874 if (disabledPs != null) { 6875 final int scannedChildCount = (pkg.childPackages != null) 6876 ? pkg.childPackages.size() : 0; 6877 final int disabledChildCount = disabledPs.childPackageNames != null 6878 ? disabledPs.childPackageNames.size() : 0; 6879 for (int i = 0; i < disabledChildCount; i++) { 6880 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6881 boolean disabledPackageAvailable = false; 6882 for (int j = 0; j < scannedChildCount; j++) { 6883 PackageParser.Package childPkg = pkg.childPackages.get(j); 6884 if (childPkg.packageName.equals(disabledChildPackageName)) { 6885 disabledPackageAvailable = true; 6886 break; 6887 } 6888 } 6889 if (!disabledPackageAvailable) { 6890 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6891 } 6892 } 6893 } 6894 } 6895 } 6896 6897 boolean updatedPkgBetter = false; 6898 // First check if this is a system package that may involve an update 6899 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6900 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6901 // it needs to drop FLAG_PRIVILEGED. 6902 if (locationIsPrivileged(scanFile)) { 6903 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6904 } else { 6905 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6906 } 6907 6908 if (ps != null && !ps.codePath.equals(scanFile)) { 6909 // The path has changed from what was last scanned... check the 6910 // version of the new path against what we have stored to determine 6911 // what to do. 6912 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6913 if (pkg.mVersionCode <= ps.versionCode) { 6914 // The system package has been updated and the code path does not match 6915 // Ignore entry. Skip it. 6916 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6917 + " ignored: updated version " + ps.versionCode 6918 + " better than this " + pkg.mVersionCode); 6919 if (!updatedPkg.codePath.equals(scanFile)) { 6920 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6921 + ps.name + " changing from " + updatedPkg.codePathString 6922 + " to " + scanFile); 6923 updatedPkg.codePath = scanFile; 6924 updatedPkg.codePathString = scanFile.toString(); 6925 updatedPkg.resourcePath = scanFile; 6926 updatedPkg.resourcePathString = scanFile.toString(); 6927 } 6928 updatedPkg.pkg = pkg; 6929 updatedPkg.versionCode = pkg.mVersionCode; 6930 6931 // Update the disabled system child packages to point to the package too. 6932 final int childCount = updatedPkg.childPackageNames != null 6933 ? updatedPkg.childPackageNames.size() : 0; 6934 for (int i = 0; i < childCount; i++) { 6935 String childPackageName = updatedPkg.childPackageNames.get(i); 6936 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6937 childPackageName); 6938 if (updatedChildPkg != null) { 6939 updatedChildPkg.pkg = pkg; 6940 updatedChildPkg.versionCode = pkg.mVersionCode; 6941 } 6942 } 6943 6944 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6945 + scanFile + " ignored: updated version " + ps.versionCode 6946 + " better than this " + pkg.mVersionCode); 6947 } else { 6948 // The current app on the system partition is better than 6949 // what we have updated to on the data partition; switch 6950 // back to the system partition version. 6951 // At this point, its safely assumed that package installation for 6952 // apps in system partition will go through. If not there won't be a working 6953 // version of the app 6954 // writer 6955 synchronized (mPackages) { 6956 // Just remove the loaded entries from package lists. 6957 mPackages.remove(ps.name); 6958 } 6959 6960 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6961 + " reverting from " + ps.codePathString 6962 + ": new version " + pkg.mVersionCode 6963 + " better than installed " + ps.versionCode); 6964 6965 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6966 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6967 synchronized (mInstallLock) { 6968 args.cleanUpResourcesLI(); 6969 } 6970 synchronized (mPackages) { 6971 mSettings.enableSystemPackageLPw(ps.name); 6972 } 6973 updatedPkgBetter = true; 6974 } 6975 } 6976 } 6977 6978 if (updatedPkg != null) { 6979 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6980 // initially 6981 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6982 6983 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6984 // flag set initially 6985 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6986 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6987 } 6988 } 6989 6990 // Verify certificates against what was last scanned 6991 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6992 6993 /* 6994 * A new system app appeared, but we already had a non-system one of the 6995 * same name installed earlier. 6996 */ 6997 boolean shouldHideSystemApp = false; 6998 if (updatedPkg == null && ps != null 6999 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7000 /* 7001 * Check to make sure the signatures match first. If they don't, 7002 * wipe the installed application and its data. 7003 */ 7004 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7005 != PackageManager.SIGNATURE_MATCH) { 7006 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7007 + " signatures don't match existing userdata copy; removing"); 7008 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7009 "scanPackageInternalLI")) { 7010 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7011 } 7012 ps = null; 7013 } else { 7014 /* 7015 * If the newly-added system app is an older version than the 7016 * already installed version, hide it. It will be scanned later 7017 * and re-added like an update. 7018 */ 7019 if (pkg.mVersionCode <= ps.versionCode) { 7020 shouldHideSystemApp = true; 7021 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7022 + " but new version " + pkg.mVersionCode + " better than installed " 7023 + ps.versionCode + "; hiding system"); 7024 } else { 7025 /* 7026 * The newly found system app is a newer version that the 7027 * one previously installed. Simply remove the 7028 * already-installed application and replace it with our own 7029 * while keeping the application data. 7030 */ 7031 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7032 + " reverting from " + ps.codePathString + ": new version " 7033 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7034 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7035 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7036 synchronized (mInstallLock) { 7037 args.cleanUpResourcesLI(); 7038 } 7039 } 7040 } 7041 } 7042 7043 // The apk is forward locked (not public) if its code and resources 7044 // are kept in different files. (except for app in either system or 7045 // vendor path). 7046 // TODO grab this value from PackageSettings 7047 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7048 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7049 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7050 } 7051 } 7052 7053 // TODO: extend to support forward-locked splits 7054 String resourcePath = null; 7055 String baseResourcePath = null; 7056 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7057 if (ps != null && ps.resourcePathString != null) { 7058 resourcePath = ps.resourcePathString; 7059 baseResourcePath = ps.resourcePathString; 7060 } else { 7061 // Should not happen at all. Just log an error. 7062 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7063 } 7064 } else { 7065 resourcePath = pkg.codePath; 7066 baseResourcePath = pkg.baseCodePath; 7067 } 7068 7069 // Set application objects path explicitly. 7070 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7071 pkg.setApplicationInfoCodePath(pkg.codePath); 7072 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7073 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7074 pkg.setApplicationInfoResourcePath(resourcePath); 7075 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7076 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7077 7078 // Note that we invoke the following method only if we are about to unpack an application 7079 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7080 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7081 7082 /* 7083 * If the system app should be overridden by a previously installed 7084 * data, hide the system app now and let the /data/app scan pick it up 7085 * again. 7086 */ 7087 if (shouldHideSystemApp) { 7088 synchronized (mPackages) { 7089 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7090 } 7091 } 7092 7093 return scannedPkg; 7094 } 7095 7096 private static String fixProcessName(String defProcessName, 7097 String processName, int uid) { 7098 if (processName == null) { 7099 return defProcessName; 7100 } 7101 return processName; 7102 } 7103 7104 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7105 throws PackageManagerException { 7106 if (pkgSetting.signatures.mSignatures != null) { 7107 // Already existing package. Make sure signatures match 7108 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7109 == PackageManager.SIGNATURE_MATCH; 7110 if (!match) { 7111 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7112 == PackageManager.SIGNATURE_MATCH; 7113 } 7114 if (!match) { 7115 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7116 == PackageManager.SIGNATURE_MATCH; 7117 } 7118 if (!match) { 7119 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7120 + pkg.packageName + " signatures do not match the " 7121 + "previously installed version; ignoring!"); 7122 } 7123 } 7124 7125 // Check for shared user signatures 7126 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7127 // Already existing package. Make sure signatures match 7128 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7129 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7130 if (!match) { 7131 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7132 == PackageManager.SIGNATURE_MATCH; 7133 } 7134 if (!match) { 7135 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7136 == PackageManager.SIGNATURE_MATCH; 7137 } 7138 if (!match) { 7139 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7140 "Package " + pkg.packageName 7141 + " has no signatures that match those in shared user " 7142 + pkgSetting.sharedUser.name + "; ignoring!"); 7143 } 7144 } 7145 } 7146 7147 /** 7148 * Enforces that only the system UID or root's UID can call a method exposed 7149 * via Binder. 7150 * 7151 * @param message used as message if SecurityException is thrown 7152 * @throws SecurityException if the caller is not system or root 7153 */ 7154 private static final void enforceSystemOrRoot(String message) { 7155 final int uid = Binder.getCallingUid(); 7156 if (uid != Process.SYSTEM_UID && uid != 0) { 7157 throw new SecurityException(message); 7158 } 7159 } 7160 7161 @Override 7162 public void performFstrimIfNeeded() { 7163 enforceSystemOrRoot("Only the system can request fstrim"); 7164 7165 // Before everything else, see whether we need to fstrim. 7166 try { 7167 IMountService ms = PackageHelper.getMountService(); 7168 if (ms != null) { 7169 final boolean isUpgrade = isUpgrade(); 7170 boolean doTrim = isUpgrade; 7171 if (doTrim) { 7172 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7173 } else { 7174 final long interval = android.provider.Settings.Global.getLong( 7175 mContext.getContentResolver(), 7176 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7177 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7178 if (interval > 0) { 7179 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7180 if (timeSinceLast > interval) { 7181 doTrim = true; 7182 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7183 + "; running immediately"); 7184 } 7185 } 7186 } 7187 if (doTrim) { 7188 if (!isFirstBoot()) { 7189 try { 7190 ActivityManagerNative.getDefault().showBootMessage( 7191 mContext.getResources().getString( 7192 R.string.android_upgrading_fstrim), true); 7193 } catch (RemoteException e) { 7194 } 7195 } 7196 ms.runMaintenance(); 7197 } 7198 } else { 7199 Slog.e(TAG, "Mount service unavailable!"); 7200 } 7201 } catch (RemoteException e) { 7202 // Can't happen; MountService is local 7203 } 7204 } 7205 7206 @Override 7207 public void updatePackagesIfNeeded() { 7208 enforceSystemOrRoot("Only the system can request package update"); 7209 7210 // We need to re-extract after an OTA. 7211 boolean causeUpgrade = isUpgrade(); 7212 7213 // First boot or factory reset. 7214 // Note: we also handle devices that are upgrading to N right now as if it is their 7215 // first boot, as they do not have profile data. 7216 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7217 7218 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7219 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7220 7221 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7222 return; 7223 } 7224 7225 List<PackageParser.Package> pkgs; 7226 synchronized (mPackages) { 7227 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7228 } 7229 7230 int numberOfPackagesVisited = 0; 7231 int numberOfPackagesOptimized = 0; 7232 int numberOfPackagesSkipped = 0; 7233 int numberOfPackagesFailed = 0; 7234 final int numberOfPackagesToDexopt = pkgs.size(); 7235 final long startTime = System.nanoTime(); 7236 7237 for (PackageParser.Package pkg : pkgs) { 7238 numberOfPackagesVisited++; 7239 7240 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7241 if (DEBUG_DEXOPT) { 7242 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7243 } 7244 numberOfPackagesSkipped++; 7245 continue; 7246 } 7247 7248 if (DEBUG_DEXOPT) { 7249 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7250 numberOfPackagesToDexopt + ": " + pkg.packageName); 7251 } 7252 7253 if (mIsPreNUpgrade) { 7254 try { 7255 ActivityManagerNative.getDefault().showBootMessage( 7256 mContext.getResources().getString(R.string.android_upgrading_apk, 7257 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7258 } catch (RemoteException e) { 7259 } 7260 } 7261 7262 // checkProfiles is false to avoid merging profiles during boot which 7263 // might interfere with background compilation (b/28612421). 7264 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7265 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7266 // trade-off worth doing to save boot time work. 7267 int dexOptStatus = performDexOptTraced(pkg.packageName, 7268 false /* checkProfiles */, 7269 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT), 7270 false /* force */); 7271 switch (dexOptStatus) { 7272 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7273 numberOfPackagesOptimized++; 7274 break; 7275 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7276 numberOfPackagesSkipped++; 7277 break; 7278 case PackageDexOptimizer.DEX_OPT_FAILED: 7279 numberOfPackagesFailed++; 7280 break; 7281 default: 7282 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7283 break; 7284 } 7285 } 7286 7287 final int elapsedTimeSeconds = 7288 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7289 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", numberOfPackagesOptimized); 7290 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", numberOfPackagesSkipped); 7291 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", numberOfPackagesFailed); 7292 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7293 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7294 } 7295 7296 @Override 7297 public void notifyPackageUse(String packageName, int reason) { 7298 synchronized (mPackages) { 7299 PackageParser.Package p = mPackages.get(packageName); 7300 if (p == null) { 7301 return; 7302 } 7303 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7304 } 7305 } 7306 7307 // TODO: this is not used nor needed. Delete it. 7308 @Override 7309 public boolean performDexOptIfNeeded(String packageName) { 7310 int dexOptStatus = performDexOptTraced(packageName, 7311 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7312 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7313 } 7314 7315 @Override 7316 public boolean performDexOpt(String packageName, 7317 boolean checkProfiles, int compileReason, boolean force) { 7318 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7319 getCompilerFilterForReason(compileReason), force); 7320 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7321 } 7322 7323 @Override 7324 public boolean performDexOptMode(String packageName, 7325 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7326 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7327 targetCompilerFilter, force); 7328 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7329 } 7330 7331 private int performDexOptTraced(String packageName, 7332 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7333 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7334 try { 7335 return performDexOptInternal(packageName, checkProfiles, 7336 targetCompilerFilter, force); 7337 } finally { 7338 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7339 } 7340 } 7341 7342 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7343 // if the package can now be considered up to date for the given filter. 7344 private int performDexOptInternal(String packageName, 7345 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7346 PackageParser.Package p; 7347 synchronized (mPackages) { 7348 p = mPackages.get(packageName); 7349 if (p == null) { 7350 // Package could not be found. Report failure. 7351 return PackageDexOptimizer.DEX_OPT_FAILED; 7352 } 7353 mPackageUsage.write(false); 7354 } 7355 long callingId = Binder.clearCallingIdentity(); 7356 try { 7357 synchronized (mInstallLock) { 7358 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7359 targetCompilerFilter, force); 7360 } 7361 } finally { 7362 Binder.restoreCallingIdentity(callingId); 7363 } 7364 } 7365 7366 public ArraySet<String> getOptimizablePackages() { 7367 ArraySet<String> pkgs = new ArraySet<String>(); 7368 synchronized (mPackages) { 7369 for (PackageParser.Package p : mPackages.values()) { 7370 if (PackageDexOptimizer.canOptimizePackage(p)) { 7371 pkgs.add(p.packageName); 7372 } 7373 } 7374 } 7375 return pkgs; 7376 } 7377 7378 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7379 boolean checkProfiles, String targetCompilerFilter, 7380 boolean force) { 7381 // Select the dex optimizer based on the force parameter. 7382 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7383 // allocate an object here. 7384 PackageDexOptimizer pdo = force 7385 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7386 : mPackageDexOptimizer; 7387 7388 // Optimize all dependencies first. Note: we ignore the return value and march on 7389 // on errors. 7390 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7391 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7392 if (!deps.isEmpty()) { 7393 for (PackageParser.Package depPackage : deps) { 7394 // TODO: Analyze and investigate if we (should) profile libraries. 7395 // Currently this will do a full compilation of the library by default. 7396 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7397 false /* checkProfiles */, 7398 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7399 } 7400 } 7401 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7402 targetCompilerFilter); 7403 } 7404 7405 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7406 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7407 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7408 Set<String> collectedNames = new HashSet<>(); 7409 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7410 7411 retValue.remove(p); 7412 7413 return retValue; 7414 } else { 7415 return Collections.emptyList(); 7416 } 7417 } 7418 7419 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7420 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7421 if (!collectedNames.contains(p.packageName)) { 7422 collectedNames.add(p.packageName); 7423 collected.add(p); 7424 7425 if (p.usesLibraries != null) { 7426 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7427 } 7428 if (p.usesOptionalLibraries != null) { 7429 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7430 collectedNames); 7431 } 7432 } 7433 } 7434 7435 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7436 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7437 for (String libName : libs) { 7438 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7439 if (libPkg != null) { 7440 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7441 } 7442 } 7443 } 7444 7445 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7446 synchronized (mPackages) { 7447 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7448 if (lib != null && lib.apk != null) { 7449 return mPackages.get(lib.apk); 7450 } 7451 } 7452 return null; 7453 } 7454 7455 public void shutdown() { 7456 mPackageUsage.write(true); 7457 } 7458 7459 @Override 7460 public void forceDexOpt(String packageName) { 7461 enforceSystemOrRoot("forceDexOpt"); 7462 7463 PackageParser.Package pkg; 7464 synchronized (mPackages) { 7465 pkg = mPackages.get(packageName); 7466 if (pkg == null) { 7467 throw new IllegalArgumentException("Unknown package: " + packageName); 7468 } 7469 } 7470 7471 synchronized (mInstallLock) { 7472 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7473 7474 // Whoever is calling forceDexOpt wants a fully compiled package. 7475 // Don't use profiles since that may cause compilation to be skipped. 7476 final int res = performDexOptInternalWithDependenciesLI(pkg, 7477 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7478 true /* force */); 7479 7480 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7481 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7482 throw new IllegalStateException("Failed to dexopt: " + res); 7483 } 7484 } 7485 } 7486 7487 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7488 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7489 Slog.w(TAG, "Unable to update from " + oldPkg.name 7490 + " to " + newPkg.packageName 7491 + ": old package not in system partition"); 7492 return false; 7493 } else if (mPackages.get(oldPkg.name) != null) { 7494 Slog.w(TAG, "Unable to update from " + oldPkg.name 7495 + " to " + newPkg.packageName 7496 + ": old package still exists"); 7497 return false; 7498 } 7499 return true; 7500 } 7501 7502 void removeCodePathLI(File codePath) { 7503 if (codePath.isDirectory()) { 7504 try { 7505 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7506 } catch (InstallerException e) { 7507 Slog.w(TAG, "Failed to remove code path", e); 7508 } 7509 } else { 7510 codePath.delete(); 7511 } 7512 } 7513 7514 private int[] resolveUserIds(int userId) { 7515 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7516 } 7517 7518 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7519 if (pkg == null) { 7520 Slog.wtf(TAG, "Package was null!", new Throwable()); 7521 return; 7522 } 7523 clearAppDataLeafLIF(pkg, userId, flags); 7524 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7525 for (int i = 0; i < childCount; i++) { 7526 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7527 } 7528 } 7529 7530 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7531 final PackageSetting ps; 7532 synchronized (mPackages) { 7533 ps = mSettings.mPackages.get(pkg.packageName); 7534 } 7535 for (int realUserId : resolveUserIds(userId)) { 7536 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7537 try { 7538 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7539 ceDataInode); 7540 } catch (InstallerException e) { 7541 Slog.w(TAG, String.valueOf(e)); 7542 } 7543 } 7544 } 7545 7546 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7547 if (pkg == null) { 7548 Slog.wtf(TAG, "Package was null!", new Throwable()); 7549 return; 7550 } 7551 destroyAppDataLeafLIF(pkg, userId, flags); 7552 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7553 for (int i = 0; i < childCount; i++) { 7554 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7555 } 7556 } 7557 7558 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7559 final PackageSetting ps; 7560 synchronized (mPackages) { 7561 ps = mSettings.mPackages.get(pkg.packageName); 7562 } 7563 for (int realUserId : resolveUserIds(userId)) { 7564 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7565 try { 7566 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7567 ceDataInode); 7568 } catch (InstallerException e) { 7569 Slog.w(TAG, String.valueOf(e)); 7570 } 7571 } 7572 } 7573 7574 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7575 if (pkg == null) { 7576 Slog.wtf(TAG, "Package was null!", new Throwable()); 7577 return; 7578 } 7579 destroyAppProfilesLeafLIF(pkg); 7580 destroyAppReferenceProfileLeafLIF(pkg, userId); 7581 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7582 for (int i = 0; i < childCount; i++) { 7583 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7584 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId); 7585 } 7586 } 7587 7588 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId) { 7589 if (pkg.isForwardLocked()) { 7590 return; 7591 } 7592 7593 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7594 try { 7595 path = PackageManagerServiceUtils.realpath(new File(path)); 7596 } catch (IOException e) { 7597 // TODO: Should we return early here ? 7598 Slog.w(TAG, "Failed to get canonical path", e); 7599 continue; 7600 } 7601 7602 final String useMarker = path.replace('/', '@'); 7603 for (int realUserId : resolveUserIds(userId)) { 7604 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7605 File foreignUseMark = new File(profileDir, useMarker); 7606 if (foreignUseMark.exists()) { 7607 if (!foreignUseMark.delete()) { 7608 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7609 + pkg.packageName); 7610 } 7611 } 7612 7613 File[] markers = profileDir.listFiles(); 7614 if (markers != null) { 7615 final String searchString = "@" + pkg.packageName + "@"; 7616 // We also delete all markers that contain the package name we're 7617 // uninstalling. These are associated with secondary dex-files belonging 7618 // to the package. Reconstructing the path of these dex files is messy 7619 // in general. 7620 for (File marker : markers) { 7621 if (marker.getName().indexOf(searchString) > 0) { 7622 if (!marker.delete()) { 7623 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7624 + pkg.packageName); 7625 } 7626 } 7627 } 7628 } 7629 } 7630 } 7631 } 7632 7633 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7634 try { 7635 mInstaller.destroyAppProfiles(pkg.packageName); 7636 } catch (InstallerException e) { 7637 Slog.w(TAG, String.valueOf(e)); 7638 } 7639 } 7640 7641 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7642 if (pkg == null) { 7643 Slog.wtf(TAG, "Package was null!", new Throwable()); 7644 return; 7645 } 7646 clearAppProfilesLeafLIF(pkg); 7647 destroyAppReferenceProfileLeafLIF(pkg, userId); 7648 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7649 for (int i = 0; i < childCount; i++) { 7650 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7651 } 7652 } 7653 7654 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7655 try { 7656 mInstaller.clearAppProfiles(pkg.packageName); 7657 } catch (InstallerException e) { 7658 Slog.w(TAG, String.valueOf(e)); 7659 } 7660 } 7661 7662 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7663 long lastUpdateTime) { 7664 // Set parent install/update time 7665 PackageSetting ps = (PackageSetting) pkg.mExtras; 7666 if (ps != null) { 7667 ps.firstInstallTime = firstInstallTime; 7668 ps.lastUpdateTime = lastUpdateTime; 7669 } 7670 // Set children install/update time 7671 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7672 for (int i = 0; i < childCount; i++) { 7673 PackageParser.Package childPkg = pkg.childPackages.get(i); 7674 ps = (PackageSetting) childPkg.mExtras; 7675 if (ps != null) { 7676 ps.firstInstallTime = firstInstallTime; 7677 ps.lastUpdateTime = lastUpdateTime; 7678 } 7679 } 7680 } 7681 7682 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7683 PackageParser.Package changingLib) { 7684 if (file.path != null) { 7685 usesLibraryFiles.add(file.path); 7686 return; 7687 } 7688 PackageParser.Package p = mPackages.get(file.apk); 7689 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7690 // If we are doing this while in the middle of updating a library apk, 7691 // then we need to make sure to use that new apk for determining the 7692 // dependencies here. (We haven't yet finished committing the new apk 7693 // to the package manager state.) 7694 if (p == null || p.packageName.equals(changingLib.packageName)) { 7695 p = changingLib; 7696 } 7697 } 7698 if (p != null) { 7699 usesLibraryFiles.addAll(p.getAllCodePaths()); 7700 } 7701 } 7702 7703 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7704 PackageParser.Package changingLib) throws PackageManagerException { 7705 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7706 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7707 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7708 for (int i=0; i<N; i++) { 7709 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7710 if (file == null) { 7711 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7712 "Package " + pkg.packageName + " requires unavailable shared library " 7713 + pkg.usesLibraries.get(i) + "; failing!"); 7714 } 7715 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7716 } 7717 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7718 for (int i=0; i<N; i++) { 7719 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7720 if (file == null) { 7721 Slog.w(TAG, "Package " + pkg.packageName 7722 + " desires unavailable shared library " 7723 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7724 } else { 7725 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7726 } 7727 } 7728 N = usesLibraryFiles.size(); 7729 if (N > 0) { 7730 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7731 } else { 7732 pkg.usesLibraryFiles = null; 7733 } 7734 } 7735 } 7736 7737 private static boolean hasString(List<String> list, List<String> which) { 7738 if (list == null) { 7739 return false; 7740 } 7741 for (int i=list.size()-1; i>=0; i--) { 7742 for (int j=which.size()-1; j>=0; j--) { 7743 if (which.get(j).equals(list.get(i))) { 7744 return true; 7745 } 7746 } 7747 } 7748 return false; 7749 } 7750 7751 private void updateAllSharedLibrariesLPw() { 7752 for (PackageParser.Package pkg : mPackages.values()) { 7753 try { 7754 updateSharedLibrariesLPw(pkg, null); 7755 } catch (PackageManagerException e) { 7756 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7757 } 7758 } 7759 } 7760 7761 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7762 PackageParser.Package changingPkg) { 7763 ArrayList<PackageParser.Package> res = null; 7764 for (PackageParser.Package pkg : mPackages.values()) { 7765 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7766 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7767 if (res == null) { 7768 res = new ArrayList<PackageParser.Package>(); 7769 } 7770 res.add(pkg); 7771 try { 7772 updateSharedLibrariesLPw(pkg, changingPkg); 7773 } catch (PackageManagerException e) { 7774 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7775 } 7776 } 7777 } 7778 return res; 7779 } 7780 7781 /** 7782 * Derive the value of the {@code cpuAbiOverride} based on the provided 7783 * value and an optional stored value from the package settings. 7784 */ 7785 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7786 String cpuAbiOverride = null; 7787 7788 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7789 cpuAbiOverride = null; 7790 } else if (abiOverride != null) { 7791 cpuAbiOverride = abiOverride; 7792 } else if (settings != null) { 7793 cpuAbiOverride = settings.cpuAbiOverrideString; 7794 } 7795 7796 return cpuAbiOverride; 7797 } 7798 7799 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7800 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7801 throws PackageManagerException { 7802 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7803 // If the package has children and this is the first dive in the function 7804 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7805 // whether all packages (parent and children) would be successfully scanned 7806 // before the actual scan since scanning mutates internal state and we want 7807 // to atomically install the package and its children. 7808 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7809 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7810 scanFlags |= SCAN_CHECK_ONLY; 7811 } 7812 } else { 7813 scanFlags &= ~SCAN_CHECK_ONLY; 7814 } 7815 7816 final PackageParser.Package scannedPkg; 7817 try { 7818 // Scan the parent 7819 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7820 // Scan the children 7821 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7822 for (int i = 0; i < childCount; i++) { 7823 PackageParser.Package childPkg = pkg.childPackages.get(i); 7824 scanPackageLI(childPkg, policyFlags, 7825 scanFlags, currentTime, user); 7826 } 7827 } finally { 7828 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7829 } 7830 7831 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7832 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7833 } 7834 7835 return scannedPkg; 7836 } 7837 7838 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7839 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7840 boolean success = false; 7841 try { 7842 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7843 currentTime, user); 7844 success = true; 7845 return res; 7846 } finally { 7847 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7848 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7849 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7850 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7851 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7852 } 7853 } 7854 } 7855 7856 /** 7857 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7858 */ 7859 private static boolean apkHasCode(String fileName) { 7860 StrictJarFile jarFile = null; 7861 try { 7862 jarFile = new StrictJarFile(fileName, 7863 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7864 return jarFile.findEntry("classes.dex") != null; 7865 } catch (IOException ignore) { 7866 } finally { 7867 try { 7868 jarFile.close(); 7869 } catch (IOException ignore) {} 7870 } 7871 return false; 7872 } 7873 7874 /** 7875 * Enforces code policy for the package. This ensures that if an APK has 7876 * declared hasCode="true" in its manifest that the APK actually contains 7877 * code. 7878 * 7879 * @throws PackageManagerException If bytecode could not be found when it should exist 7880 */ 7881 private static void enforceCodePolicy(PackageParser.Package pkg) 7882 throws PackageManagerException { 7883 final boolean shouldHaveCode = 7884 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7885 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7886 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7887 "Package " + pkg.baseCodePath + " code is missing"); 7888 } 7889 7890 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7891 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7892 final boolean splitShouldHaveCode = 7893 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7894 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7895 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7896 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7897 } 7898 } 7899 } 7900 } 7901 7902 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7903 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7904 throws PackageManagerException { 7905 final File scanFile = new File(pkg.codePath); 7906 if (pkg.applicationInfo.getCodePath() == null || 7907 pkg.applicationInfo.getResourcePath() == null) { 7908 // Bail out. The resource and code paths haven't been set. 7909 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7910 "Code and resource paths haven't been set correctly"); 7911 } 7912 7913 // Apply policy 7914 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7915 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7916 if (pkg.applicationInfo.isDirectBootAware()) { 7917 // we're direct boot aware; set for all components 7918 for (PackageParser.Service s : pkg.services) { 7919 s.info.encryptionAware = s.info.directBootAware = true; 7920 } 7921 for (PackageParser.Provider p : pkg.providers) { 7922 p.info.encryptionAware = p.info.directBootAware = true; 7923 } 7924 for (PackageParser.Activity a : pkg.activities) { 7925 a.info.encryptionAware = a.info.directBootAware = true; 7926 } 7927 for (PackageParser.Activity r : pkg.receivers) { 7928 r.info.encryptionAware = r.info.directBootAware = true; 7929 } 7930 } 7931 } else { 7932 // Only allow system apps to be flagged as core apps. 7933 pkg.coreApp = false; 7934 // clear flags not applicable to regular apps 7935 pkg.applicationInfo.privateFlags &= 7936 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7937 pkg.applicationInfo.privateFlags &= 7938 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7939 } 7940 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7941 7942 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7943 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7944 } 7945 7946 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7947 enforceCodePolicy(pkg); 7948 } 7949 7950 if (mCustomResolverComponentName != null && 7951 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7952 setUpCustomResolverActivity(pkg); 7953 } 7954 7955 if (pkg.packageName.equals("android")) { 7956 synchronized (mPackages) { 7957 if (mAndroidApplication != null) { 7958 Slog.w(TAG, "*************************************************"); 7959 Slog.w(TAG, "Core android package being redefined. Skipping."); 7960 Slog.w(TAG, " file=" + scanFile); 7961 Slog.w(TAG, "*************************************************"); 7962 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7963 "Core android package being redefined. Skipping."); 7964 } 7965 7966 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7967 // Set up information for our fall-back user intent resolution activity. 7968 mPlatformPackage = pkg; 7969 pkg.mVersionCode = mSdkVersion; 7970 mAndroidApplication = pkg.applicationInfo; 7971 7972 if (!mResolverReplaced) { 7973 mResolveActivity.applicationInfo = mAndroidApplication; 7974 mResolveActivity.name = ResolverActivity.class.getName(); 7975 mResolveActivity.packageName = mAndroidApplication.packageName; 7976 mResolveActivity.processName = "system:ui"; 7977 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7978 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7979 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7980 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 7981 mResolveActivity.exported = true; 7982 mResolveActivity.enabled = true; 7983 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 7984 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 7985 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 7986 | ActivityInfo.CONFIG_SCREEN_LAYOUT 7987 | ActivityInfo.CONFIG_ORIENTATION 7988 | ActivityInfo.CONFIG_KEYBOARD 7989 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 7990 mResolveInfo.activityInfo = mResolveActivity; 7991 mResolveInfo.priority = 0; 7992 mResolveInfo.preferredOrder = 0; 7993 mResolveInfo.match = 0; 7994 mResolveComponentName = new ComponentName( 7995 mAndroidApplication.packageName, mResolveActivity.name); 7996 } 7997 } 7998 } 7999 } 8000 8001 if (DEBUG_PACKAGE_SCANNING) { 8002 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8003 Log.d(TAG, "Scanning package " + pkg.packageName); 8004 } 8005 8006 synchronized (mPackages) { 8007 if (mPackages.containsKey(pkg.packageName) 8008 || mSharedLibraries.containsKey(pkg.packageName)) { 8009 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8010 "Application package " + pkg.packageName 8011 + " already installed. Skipping duplicate."); 8012 } 8013 8014 // If we're only installing presumed-existing packages, require that the 8015 // scanned APK is both already known and at the path previously established 8016 // for it. Previously unknown packages we pick up normally, but if we have an 8017 // a priori expectation about this package's install presence, enforce it. 8018 // With a singular exception for new system packages. When an OTA contains 8019 // a new system package, we allow the codepath to change from a system location 8020 // to the user-installed location. If we don't allow this change, any newer, 8021 // user-installed version of the application will be ignored. 8022 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8023 if (mExpectingBetter.containsKey(pkg.packageName)) { 8024 logCriticalInfo(Log.WARN, 8025 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8026 } else { 8027 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8028 if (known != null) { 8029 if (DEBUG_PACKAGE_SCANNING) { 8030 Log.d(TAG, "Examining " + pkg.codePath 8031 + " and requiring known paths " + known.codePathString 8032 + " & " + known.resourcePathString); 8033 } 8034 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8035 || !pkg.applicationInfo.getResourcePath().equals( 8036 known.resourcePathString)) { 8037 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8038 "Application package " + pkg.packageName 8039 + " found at " + pkg.applicationInfo.getCodePath() 8040 + " but expected at " + known.codePathString 8041 + "; ignoring."); 8042 } 8043 } 8044 } 8045 } 8046 } 8047 8048 // Initialize package source and resource directories 8049 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8050 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8051 8052 SharedUserSetting suid = null; 8053 PackageSetting pkgSetting = null; 8054 8055 if (!isSystemApp(pkg)) { 8056 // Only system apps can use these features. 8057 pkg.mOriginalPackages = null; 8058 pkg.mRealPackage = null; 8059 pkg.mAdoptPermissions = null; 8060 } 8061 8062 // Getting the package setting may have a side-effect, so if we 8063 // are only checking if scan would succeed, stash a copy of the 8064 // old setting to restore at the end. 8065 PackageSetting nonMutatedPs = null; 8066 8067 // writer 8068 synchronized (mPackages) { 8069 if (pkg.mSharedUserId != null) { 8070 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8071 if (suid == null) { 8072 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8073 "Creating application package " + pkg.packageName 8074 + " for shared user failed"); 8075 } 8076 if (DEBUG_PACKAGE_SCANNING) { 8077 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8078 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8079 + "): packages=" + suid.packages); 8080 } 8081 } 8082 8083 // Check if we are renaming from an original package name. 8084 PackageSetting origPackage = null; 8085 String realName = null; 8086 if (pkg.mOriginalPackages != null) { 8087 // This package may need to be renamed to a previously 8088 // installed name. Let's check on that... 8089 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8090 if (pkg.mOriginalPackages.contains(renamed)) { 8091 // This package had originally been installed as the 8092 // original name, and we have already taken care of 8093 // transitioning to the new one. Just update the new 8094 // one to continue using the old name. 8095 realName = pkg.mRealPackage; 8096 if (!pkg.packageName.equals(renamed)) { 8097 // Callers into this function may have already taken 8098 // care of renaming the package; only do it here if 8099 // it is not already done. 8100 pkg.setPackageName(renamed); 8101 } 8102 8103 } else { 8104 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8105 if ((origPackage = mSettings.peekPackageLPr( 8106 pkg.mOriginalPackages.get(i))) != null) { 8107 // We do have the package already installed under its 8108 // original name... should we use it? 8109 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8110 // New package is not compatible with original. 8111 origPackage = null; 8112 continue; 8113 } else if (origPackage.sharedUser != null) { 8114 // Make sure uid is compatible between packages. 8115 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8116 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8117 + " to " + pkg.packageName + ": old uid " 8118 + origPackage.sharedUser.name 8119 + " differs from " + pkg.mSharedUserId); 8120 origPackage = null; 8121 continue; 8122 } 8123 // TODO: Add case when shared user id is added [b/28144775] 8124 } else { 8125 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8126 + pkg.packageName + " to old name " + origPackage.name); 8127 } 8128 break; 8129 } 8130 } 8131 } 8132 } 8133 8134 if (mTransferedPackages.contains(pkg.packageName)) { 8135 Slog.w(TAG, "Package " + pkg.packageName 8136 + " was transferred to another, but its .apk remains"); 8137 } 8138 8139 // See comments in nonMutatedPs declaration 8140 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8141 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8142 if (foundPs != null) { 8143 nonMutatedPs = new PackageSetting(foundPs); 8144 } 8145 } 8146 8147 // Just create the setting, don't add it yet. For already existing packages 8148 // the PkgSetting exists already and doesn't have to be created. 8149 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8150 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8151 pkg.applicationInfo.primaryCpuAbi, 8152 pkg.applicationInfo.secondaryCpuAbi, 8153 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8154 user, false); 8155 if (pkgSetting == null) { 8156 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8157 "Creating application package " + pkg.packageName + " failed"); 8158 } 8159 8160 if (pkgSetting.origPackage != null) { 8161 // If we are first transitioning from an original package, 8162 // fix up the new package's name now. We need to do this after 8163 // looking up the package under its new name, so getPackageLP 8164 // can take care of fiddling things correctly. 8165 pkg.setPackageName(origPackage.name); 8166 8167 // File a report about this. 8168 String msg = "New package " + pkgSetting.realName 8169 + " renamed to replace old package " + pkgSetting.name; 8170 reportSettingsProblem(Log.WARN, msg); 8171 8172 // Make a note of it. 8173 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8174 mTransferedPackages.add(origPackage.name); 8175 } 8176 8177 // No longer need to retain this. 8178 pkgSetting.origPackage = null; 8179 } 8180 8181 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8182 // Make a note of it. 8183 mTransferedPackages.add(pkg.packageName); 8184 } 8185 8186 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8187 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8188 } 8189 8190 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8191 // Check all shared libraries and map to their actual file path. 8192 // We only do this here for apps not on a system dir, because those 8193 // are the only ones that can fail an install due to this. We 8194 // will take care of the system apps by updating all of their 8195 // library paths after the scan is done. 8196 updateSharedLibrariesLPw(pkg, null); 8197 } 8198 8199 if (mFoundPolicyFile) { 8200 SELinuxMMAC.assignSeinfoValue(pkg); 8201 } 8202 8203 pkg.applicationInfo.uid = pkgSetting.appId; 8204 pkg.mExtras = pkgSetting; 8205 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8206 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8207 // We just determined the app is signed correctly, so bring 8208 // over the latest parsed certs. 8209 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8210 } else { 8211 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8212 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8213 "Package " + pkg.packageName + " upgrade keys do not match the " 8214 + "previously installed version"); 8215 } else { 8216 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8217 String msg = "System package " + pkg.packageName 8218 + " signature changed; retaining data."; 8219 reportSettingsProblem(Log.WARN, msg); 8220 } 8221 } 8222 } else { 8223 try { 8224 verifySignaturesLP(pkgSetting, pkg); 8225 // We just determined the app is signed correctly, so bring 8226 // over the latest parsed certs. 8227 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8228 } catch (PackageManagerException e) { 8229 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8230 throw e; 8231 } 8232 // The signature has changed, but this package is in the system 8233 // image... let's recover! 8234 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8235 // However... if this package is part of a shared user, but it 8236 // doesn't match the signature of the shared user, let's fail. 8237 // What this means is that you can't change the signatures 8238 // associated with an overall shared user, which doesn't seem all 8239 // that unreasonable. 8240 if (pkgSetting.sharedUser != null) { 8241 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8242 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8243 throw new PackageManagerException( 8244 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8245 "Signature mismatch for shared user: " 8246 + pkgSetting.sharedUser); 8247 } 8248 } 8249 // File a report about this. 8250 String msg = "System package " + pkg.packageName 8251 + " signature changed; retaining data."; 8252 reportSettingsProblem(Log.WARN, msg); 8253 } 8254 } 8255 // Verify that this new package doesn't have any content providers 8256 // that conflict with existing packages. Only do this if the 8257 // package isn't already installed, since we don't want to break 8258 // things that are installed. 8259 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8260 final int N = pkg.providers.size(); 8261 int i; 8262 for (i=0; i<N; i++) { 8263 PackageParser.Provider p = pkg.providers.get(i); 8264 if (p.info.authority != null) { 8265 String names[] = p.info.authority.split(";"); 8266 for (int j = 0; j < names.length; j++) { 8267 if (mProvidersByAuthority.containsKey(names[j])) { 8268 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8269 final String otherPackageName = 8270 ((other != null && other.getComponentName() != null) ? 8271 other.getComponentName().getPackageName() : "?"); 8272 throw new PackageManagerException( 8273 INSTALL_FAILED_CONFLICTING_PROVIDER, 8274 "Can't install because provider name " + names[j] 8275 + " (in package " + pkg.applicationInfo.packageName 8276 + ") is already used by " + otherPackageName); 8277 } 8278 } 8279 } 8280 } 8281 } 8282 8283 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8284 // This package wants to adopt ownership of permissions from 8285 // another package. 8286 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8287 final String origName = pkg.mAdoptPermissions.get(i); 8288 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8289 if (orig != null) { 8290 if (verifyPackageUpdateLPr(orig, pkg)) { 8291 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8292 + pkg.packageName); 8293 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8294 } 8295 } 8296 } 8297 } 8298 } 8299 8300 final String pkgName = pkg.packageName; 8301 8302 final long scanFileTime = scanFile.lastModified(); 8303 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8304 pkg.applicationInfo.processName = fixProcessName( 8305 pkg.applicationInfo.packageName, 8306 pkg.applicationInfo.processName, 8307 pkg.applicationInfo.uid); 8308 8309 if (pkg != mPlatformPackage) { 8310 // Get all of our default paths setup 8311 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8312 } 8313 8314 final String path = scanFile.getPath(); 8315 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8316 8317 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8318 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8319 8320 // Some system apps still use directory structure for native libraries 8321 // in which case we might end up not detecting abi solely based on apk 8322 // structure. Try to detect abi based on directory structure. 8323 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8324 pkg.applicationInfo.primaryCpuAbi == null) { 8325 setBundledAppAbisAndRoots(pkg, pkgSetting); 8326 setNativeLibraryPaths(pkg); 8327 } 8328 8329 } else { 8330 if ((scanFlags & SCAN_MOVE) != 0) { 8331 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8332 // but we already have this packages package info in the PackageSetting. We just 8333 // use that and derive the native library path based on the new codepath. 8334 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8335 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8336 } 8337 8338 // Set native library paths again. For moves, the path will be updated based on the 8339 // ABIs we've determined above. For non-moves, the path will be updated based on the 8340 // ABIs we determined during compilation, but the path will depend on the final 8341 // package path (after the rename away from the stage path). 8342 setNativeLibraryPaths(pkg); 8343 } 8344 8345 // This is a special case for the "system" package, where the ABI is 8346 // dictated by the zygote configuration (and init.rc). We should keep track 8347 // of this ABI so that we can deal with "normal" applications that run under 8348 // the same UID correctly. 8349 if (mPlatformPackage == pkg) { 8350 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8351 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8352 } 8353 8354 // If there's a mismatch between the abi-override in the package setting 8355 // and the abiOverride specified for the install. Warn about this because we 8356 // would've already compiled the app without taking the package setting into 8357 // account. 8358 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8359 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8360 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8361 " for package " + pkg.packageName); 8362 } 8363 } 8364 8365 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8366 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8367 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8368 8369 // Copy the derived override back to the parsed package, so that we can 8370 // update the package settings accordingly. 8371 pkg.cpuAbiOverride = cpuAbiOverride; 8372 8373 if (DEBUG_ABI_SELECTION) { 8374 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8375 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8376 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8377 } 8378 8379 // Push the derived path down into PackageSettings so we know what to 8380 // clean up at uninstall time. 8381 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8382 8383 if (DEBUG_ABI_SELECTION) { 8384 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8385 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8386 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8387 } 8388 8389 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8390 // We don't do this here during boot because we can do it all 8391 // at once after scanning all existing packages. 8392 // 8393 // We also do this *before* we perform dexopt on this package, so that 8394 // we can avoid redundant dexopts, and also to make sure we've got the 8395 // code and package path correct. 8396 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8397 pkg, true /* boot complete */); 8398 } 8399 8400 if (mFactoryTest && pkg.requestedPermissions.contains( 8401 android.Manifest.permission.FACTORY_TEST)) { 8402 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8403 } 8404 8405 ArrayList<PackageParser.Package> clientLibPkgs = null; 8406 8407 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8408 if (nonMutatedPs != null) { 8409 synchronized (mPackages) { 8410 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8411 } 8412 } 8413 return pkg; 8414 } 8415 8416 // Only privileged apps and updated privileged apps can add child packages. 8417 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8418 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8419 throw new PackageManagerException("Only privileged apps and updated " 8420 + "privileged apps can add child packages. Ignoring package " 8421 + pkg.packageName); 8422 } 8423 final int childCount = pkg.childPackages.size(); 8424 for (int i = 0; i < childCount; i++) { 8425 PackageParser.Package childPkg = pkg.childPackages.get(i); 8426 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8427 childPkg.packageName)) { 8428 throw new PackageManagerException("Cannot override a child package of " 8429 + "another disabled system app. Ignoring package " + pkg.packageName); 8430 } 8431 } 8432 } 8433 8434 // writer 8435 synchronized (mPackages) { 8436 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8437 // Only system apps can add new shared libraries. 8438 if (pkg.libraryNames != null) { 8439 for (int i=0; i<pkg.libraryNames.size(); i++) { 8440 String name = pkg.libraryNames.get(i); 8441 boolean allowed = false; 8442 if (pkg.isUpdatedSystemApp()) { 8443 // New library entries can only be added through the 8444 // system image. This is important to get rid of a lot 8445 // of nasty edge cases: for example if we allowed a non- 8446 // system update of the app to add a library, then uninstalling 8447 // the update would make the library go away, and assumptions 8448 // we made such as through app install filtering would now 8449 // have allowed apps on the device which aren't compatible 8450 // with it. Better to just have the restriction here, be 8451 // conservative, and create many fewer cases that can negatively 8452 // impact the user experience. 8453 final PackageSetting sysPs = mSettings 8454 .getDisabledSystemPkgLPr(pkg.packageName); 8455 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8456 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8457 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8458 allowed = true; 8459 break; 8460 } 8461 } 8462 } 8463 } else { 8464 allowed = true; 8465 } 8466 if (allowed) { 8467 if (!mSharedLibraries.containsKey(name)) { 8468 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8469 } else if (!name.equals(pkg.packageName)) { 8470 Slog.w(TAG, "Package " + pkg.packageName + " library " 8471 + name + " already exists; skipping"); 8472 } 8473 } else { 8474 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8475 + name + " that is not declared on system image; skipping"); 8476 } 8477 } 8478 if ((scanFlags & SCAN_BOOTING) == 0) { 8479 // If we are not booting, we need to update any applications 8480 // that are clients of our shared library. If we are booting, 8481 // this will all be done once the scan is complete. 8482 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8483 } 8484 } 8485 } 8486 } 8487 8488 if ((scanFlags & SCAN_BOOTING) != 0) { 8489 // No apps can run during boot scan, so they don't need to be frozen 8490 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8491 // Caller asked to not kill app, so it's probably not frozen 8492 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8493 // Caller asked us to ignore frozen check for some reason; they 8494 // probably didn't know the package name 8495 } else { 8496 // We're doing major surgery on this package, so it better be frozen 8497 // right now to keep it from launching 8498 checkPackageFrozen(pkgName); 8499 } 8500 8501 // Also need to kill any apps that are dependent on the library. 8502 if (clientLibPkgs != null) { 8503 for (int i=0; i<clientLibPkgs.size(); i++) { 8504 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8505 killApplication(clientPkg.applicationInfo.packageName, 8506 clientPkg.applicationInfo.uid, "update lib"); 8507 } 8508 } 8509 8510 // Make sure we're not adding any bogus keyset info 8511 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8512 ksms.assertScannedPackageValid(pkg); 8513 8514 // writer 8515 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8516 8517 boolean createIdmapFailed = false; 8518 synchronized (mPackages) { 8519 // We don't expect installation to fail beyond this point 8520 8521 // Add the new setting to mSettings 8522 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8523 // Add the new setting to mPackages 8524 mPackages.put(pkg.applicationInfo.packageName, pkg); 8525 // Make sure we don't accidentally delete its data. 8526 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8527 while (iter.hasNext()) { 8528 PackageCleanItem item = iter.next(); 8529 if (pkgName.equals(item.packageName)) { 8530 iter.remove(); 8531 } 8532 } 8533 8534 // Take care of first install / last update times. 8535 if (currentTime != 0) { 8536 if (pkgSetting.firstInstallTime == 0) { 8537 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8538 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8539 pkgSetting.lastUpdateTime = currentTime; 8540 } 8541 } else if (pkgSetting.firstInstallTime == 0) { 8542 // We need *something*. Take time time stamp of the file. 8543 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8544 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8545 if (scanFileTime != pkgSetting.timeStamp) { 8546 // A package on the system image has changed; consider this 8547 // to be an update. 8548 pkgSetting.lastUpdateTime = scanFileTime; 8549 } 8550 } 8551 8552 // Add the package's KeySets to the global KeySetManagerService 8553 ksms.addScannedPackageLPw(pkg); 8554 8555 int N = pkg.providers.size(); 8556 StringBuilder r = null; 8557 int i; 8558 for (i=0; i<N; i++) { 8559 PackageParser.Provider p = pkg.providers.get(i); 8560 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8561 p.info.processName, pkg.applicationInfo.uid); 8562 mProviders.addProvider(p); 8563 p.syncable = p.info.isSyncable; 8564 if (p.info.authority != null) { 8565 String names[] = p.info.authority.split(";"); 8566 p.info.authority = null; 8567 for (int j = 0; j < names.length; j++) { 8568 if (j == 1 && p.syncable) { 8569 // We only want the first authority for a provider to possibly be 8570 // syncable, so if we already added this provider using a different 8571 // authority clear the syncable flag. We copy the provider before 8572 // changing it because the mProviders object contains a reference 8573 // to a provider that we don't want to change. 8574 // Only do this for the second authority since the resulting provider 8575 // object can be the same for all future authorities for this provider. 8576 p = new PackageParser.Provider(p); 8577 p.syncable = false; 8578 } 8579 if (!mProvidersByAuthority.containsKey(names[j])) { 8580 mProvidersByAuthority.put(names[j], p); 8581 if (p.info.authority == null) { 8582 p.info.authority = names[j]; 8583 } else { 8584 p.info.authority = p.info.authority + ";" + names[j]; 8585 } 8586 if (DEBUG_PACKAGE_SCANNING) { 8587 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8588 Log.d(TAG, "Registered content provider: " + names[j] 8589 + ", className = " + p.info.name + ", isSyncable = " 8590 + p.info.isSyncable); 8591 } 8592 } else { 8593 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8594 Slog.w(TAG, "Skipping provider name " + names[j] + 8595 " (in package " + pkg.applicationInfo.packageName + 8596 "): name already used by " 8597 + ((other != null && other.getComponentName() != null) 8598 ? other.getComponentName().getPackageName() : "?")); 8599 } 8600 } 8601 } 8602 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8603 if (r == null) { 8604 r = new StringBuilder(256); 8605 } else { 8606 r.append(' '); 8607 } 8608 r.append(p.info.name); 8609 } 8610 } 8611 if (r != null) { 8612 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8613 } 8614 8615 N = pkg.services.size(); 8616 r = null; 8617 for (i=0; i<N; i++) { 8618 PackageParser.Service s = pkg.services.get(i); 8619 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8620 s.info.processName, pkg.applicationInfo.uid); 8621 mServices.addService(s); 8622 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8623 if (r == null) { 8624 r = new StringBuilder(256); 8625 } else { 8626 r.append(' '); 8627 } 8628 r.append(s.info.name); 8629 } 8630 } 8631 if (r != null) { 8632 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8633 } 8634 8635 N = pkg.receivers.size(); 8636 r = null; 8637 for (i=0; i<N; i++) { 8638 PackageParser.Activity a = pkg.receivers.get(i); 8639 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8640 a.info.processName, pkg.applicationInfo.uid); 8641 mReceivers.addActivity(a, "receiver"); 8642 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8643 if (r == null) { 8644 r = new StringBuilder(256); 8645 } else { 8646 r.append(' '); 8647 } 8648 r.append(a.info.name); 8649 } 8650 } 8651 if (r != null) { 8652 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8653 } 8654 8655 N = pkg.activities.size(); 8656 r = null; 8657 for (i=0; i<N; i++) { 8658 PackageParser.Activity a = pkg.activities.get(i); 8659 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8660 a.info.processName, pkg.applicationInfo.uid); 8661 mActivities.addActivity(a, "activity"); 8662 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8663 if (r == null) { 8664 r = new StringBuilder(256); 8665 } else { 8666 r.append(' '); 8667 } 8668 r.append(a.info.name); 8669 } 8670 } 8671 if (r != null) { 8672 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8673 } 8674 8675 N = pkg.permissionGroups.size(); 8676 r = null; 8677 for (i=0; i<N; i++) { 8678 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8679 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8680 if (cur == null) { 8681 mPermissionGroups.put(pg.info.name, pg); 8682 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8683 if (r == null) { 8684 r = new StringBuilder(256); 8685 } else { 8686 r.append(' '); 8687 } 8688 r.append(pg.info.name); 8689 } 8690 } else { 8691 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8692 + pg.info.packageName + " ignored: original from " 8693 + cur.info.packageName); 8694 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8695 if (r == null) { 8696 r = new StringBuilder(256); 8697 } else { 8698 r.append(' '); 8699 } 8700 r.append("DUP:"); 8701 r.append(pg.info.name); 8702 } 8703 } 8704 } 8705 if (r != null) { 8706 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8707 } 8708 8709 N = pkg.permissions.size(); 8710 r = null; 8711 for (i=0; i<N; i++) { 8712 PackageParser.Permission p = pkg.permissions.get(i); 8713 8714 // Assume by default that we did not install this permission into the system. 8715 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8716 8717 // Now that permission groups have a special meaning, we ignore permission 8718 // groups for legacy apps to prevent unexpected behavior. In particular, 8719 // permissions for one app being granted to someone just becase they happen 8720 // to be in a group defined by another app (before this had no implications). 8721 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8722 p.group = mPermissionGroups.get(p.info.group); 8723 // Warn for a permission in an unknown group. 8724 if (p.info.group != null && p.group == null) { 8725 Slog.w(TAG, "Permission " + p.info.name + " from package " 8726 + p.info.packageName + " in an unknown group " + p.info.group); 8727 } 8728 } 8729 8730 ArrayMap<String, BasePermission> permissionMap = 8731 p.tree ? mSettings.mPermissionTrees 8732 : mSettings.mPermissions; 8733 BasePermission bp = permissionMap.get(p.info.name); 8734 8735 // Allow system apps to redefine non-system permissions 8736 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8737 final boolean currentOwnerIsSystem = (bp.perm != null 8738 && isSystemApp(bp.perm.owner)); 8739 if (isSystemApp(p.owner)) { 8740 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8741 // It's a built-in permission and no owner, take ownership now 8742 bp.packageSetting = pkgSetting; 8743 bp.perm = p; 8744 bp.uid = pkg.applicationInfo.uid; 8745 bp.sourcePackage = p.info.packageName; 8746 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8747 } else if (!currentOwnerIsSystem) { 8748 String msg = "New decl " + p.owner + " of permission " 8749 + p.info.name + " is system; overriding " + bp.sourcePackage; 8750 reportSettingsProblem(Log.WARN, msg); 8751 bp = null; 8752 } 8753 } 8754 } 8755 8756 if (bp == null) { 8757 bp = new BasePermission(p.info.name, p.info.packageName, 8758 BasePermission.TYPE_NORMAL); 8759 permissionMap.put(p.info.name, bp); 8760 } 8761 8762 if (bp.perm == null) { 8763 if (bp.sourcePackage == null 8764 || bp.sourcePackage.equals(p.info.packageName)) { 8765 BasePermission tree = findPermissionTreeLP(p.info.name); 8766 if (tree == null 8767 || tree.sourcePackage.equals(p.info.packageName)) { 8768 bp.packageSetting = pkgSetting; 8769 bp.perm = p; 8770 bp.uid = pkg.applicationInfo.uid; 8771 bp.sourcePackage = p.info.packageName; 8772 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8773 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8774 if (r == null) { 8775 r = new StringBuilder(256); 8776 } else { 8777 r.append(' '); 8778 } 8779 r.append(p.info.name); 8780 } 8781 } else { 8782 Slog.w(TAG, "Permission " + p.info.name + " from package " 8783 + p.info.packageName + " ignored: base tree " 8784 + tree.name + " is from package " 8785 + tree.sourcePackage); 8786 } 8787 } else { 8788 Slog.w(TAG, "Permission " + p.info.name + " from package " 8789 + p.info.packageName + " ignored: original from " 8790 + bp.sourcePackage); 8791 } 8792 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8793 if (r == null) { 8794 r = new StringBuilder(256); 8795 } else { 8796 r.append(' '); 8797 } 8798 r.append("DUP:"); 8799 r.append(p.info.name); 8800 } 8801 if (bp.perm == p) { 8802 bp.protectionLevel = p.info.protectionLevel; 8803 } 8804 } 8805 8806 if (r != null) { 8807 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8808 } 8809 8810 N = pkg.instrumentation.size(); 8811 r = null; 8812 for (i=0; i<N; i++) { 8813 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8814 a.info.packageName = pkg.applicationInfo.packageName; 8815 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8816 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8817 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8818 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8819 a.info.dataDir = pkg.applicationInfo.dataDir; 8820 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8821 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8822 8823 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8824 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8825 mInstrumentation.put(a.getComponentName(), a); 8826 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8827 if (r == null) { 8828 r = new StringBuilder(256); 8829 } else { 8830 r.append(' '); 8831 } 8832 r.append(a.info.name); 8833 } 8834 } 8835 if (r != null) { 8836 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8837 } 8838 8839 if (pkg.protectedBroadcasts != null) { 8840 N = pkg.protectedBroadcasts.size(); 8841 for (i=0; i<N; i++) { 8842 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8843 } 8844 } 8845 8846 pkgSetting.setTimeStamp(scanFileTime); 8847 8848 // Create idmap files for pairs of (packages, overlay packages). 8849 // Note: "android", ie framework-res.apk, is handled by native layers. 8850 if (pkg.mOverlayTarget != null) { 8851 // This is an overlay package. 8852 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8853 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8854 mOverlays.put(pkg.mOverlayTarget, 8855 new ArrayMap<String, PackageParser.Package>()); 8856 } 8857 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8858 map.put(pkg.packageName, pkg); 8859 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8860 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8861 createIdmapFailed = true; 8862 } 8863 } 8864 } else if (mOverlays.containsKey(pkg.packageName) && 8865 !pkg.packageName.equals("android")) { 8866 // This is a regular package, with one or more known overlay packages. 8867 createIdmapsForPackageLI(pkg); 8868 } 8869 } 8870 8871 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8872 8873 if (createIdmapFailed) { 8874 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8875 "scanPackageLI failed to createIdmap"); 8876 } 8877 return pkg; 8878 } 8879 8880 /** 8881 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8882 * is derived purely on the basis of the contents of {@code scanFile} and 8883 * {@code cpuAbiOverride}. 8884 * 8885 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8886 */ 8887 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8888 String cpuAbiOverride, boolean extractLibs) 8889 throws PackageManagerException { 8890 // TODO: We can probably be smarter about this stuff. For installed apps, 8891 // we can calculate this information at install time once and for all. For 8892 // system apps, we can probably assume that this information doesn't change 8893 // after the first boot scan. As things stand, we do lots of unnecessary work. 8894 8895 // Give ourselves some initial paths; we'll come back for another 8896 // pass once we've determined ABI below. 8897 setNativeLibraryPaths(pkg); 8898 8899 // We would never need to extract libs for forward-locked and external packages, 8900 // since the container service will do it for us. We shouldn't attempt to 8901 // extract libs from system app when it was not updated. 8902 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8903 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8904 extractLibs = false; 8905 } 8906 8907 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8908 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8909 8910 NativeLibraryHelper.Handle handle = null; 8911 try { 8912 handle = NativeLibraryHelper.Handle.create(pkg); 8913 // TODO(multiArch): This can be null for apps that didn't go through the 8914 // usual installation process. We can calculate it again, like we 8915 // do during install time. 8916 // 8917 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8918 // unnecessary. 8919 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8920 8921 // Null out the abis so that they can be recalculated. 8922 pkg.applicationInfo.primaryCpuAbi = null; 8923 pkg.applicationInfo.secondaryCpuAbi = null; 8924 if (isMultiArch(pkg.applicationInfo)) { 8925 // Warn if we've set an abiOverride for multi-lib packages.. 8926 // By definition, we need to copy both 32 and 64 bit libraries for 8927 // such packages. 8928 if (pkg.cpuAbiOverride != null 8929 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8930 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8931 } 8932 8933 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8934 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8935 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8936 if (extractLibs) { 8937 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8938 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8939 useIsaSpecificSubdirs); 8940 } else { 8941 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8942 } 8943 } 8944 8945 maybeThrowExceptionForMultiArchCopy( 8946 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8947 8948 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8949 if (extractLibs) { 8950 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8951 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8952 useIsaSpecificSubdirs); 8953 } else { 8954 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8955 } 8956 } 8957 8958 maybeThrowExceptionForMultiArchCopy( 8959 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8960 8961 if (abi64 >= 0) { 8962 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8963 } 8964 8965 if (abi32 >= 0) { 8966 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8967 if (abi64 >= 0) { 8968 if (pkg.use32bitAbi) { 8969 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8970 pkg.applicationInfo.primaryCpuAbi = abi; 8971 } else { 8972 pkg.applicationInfo.secondaryCpuAbi = abi; 8973 } 8974 } else { 8975 pkg.applicationInfo.primaryCpuAbi = abi; 8976 } 8977 } 8978 8979 } else { 8980 String[] abiList = (cpuAbiOverride != null) ? 8981 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8982 8983 // Enable gross and lame hacks for apps that are built with old 8984 // SDK tools. We must scan their APKs for renderscript bitcode and 8985 // not launch them if it's present. Don't bother checking on devices 8986 // that don't have 64 bit support. 8987 boolean needsRenderScriptOverride = false; 8988 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8989 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8990 abiList = Build.SUPPORTED_32_BIT_ABIS; 8991 needsRenderScriptOverride = true; 8992 } 8993 8994 final int copyRet; 8995 if (extractLibs) { 8996 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8997 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8998 } else { 8999 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9000 } 9001 9002 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9003 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9004 "Error unpackaging native libs for app, errorCode=" + copyRet); 9005 } 9006 9007 if (copyRet >= 0) { 9008 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9009 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9010 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9011 } else if (needsRenderScriptOverride) { 9012 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9013 } 9014 } 9015 } catch (IOException ioe) { 9016 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9017 } finally { 9018 IoUtils.closeQuietly(handle); 9019 } 9020 9021 // Now that we've calculated the ABIs and determined if it's an internal app, 9022 // we will go ahead and populate the nativeLibraryPath. 9023 setNativeLibraryPaths(pkg); 9024 } 9025 9026 /** 9027 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9028 * i.e, so that all packages can be run inside a single process if required. 9029 * 9030 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9031 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9032 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9033 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9034 * updating a package that belongs to a shared user. 9035 * 9036 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9037 * adds unnecessary complexity. 9038 */ 9039 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9040 PackageParser.Package scannedPackage, boolean bootComplete) { 9041 String requiredInstructionSet = null; 9042 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9043 requiredInstructionSet = VMRuntime.getInstructionSet( 9044 scannedPackage.applicationInfo.primaryCpuAbi); 9045 } 9046 9047 PackageSetting requirer = null; 9048 for (PackageSetting ps : packagesForUser) { 9049 // If packagesForUser contains scannedPackage, we skip it. This will happen 9050 // when scannedPackage is an update of an existing package. Without this check, 9051 // we will never be able to change the ABI of any package belonging to a shared 9052 // user, even if it's compatible with other packages. 9053 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9054 if (ps.primaryCpuAbiString == null) { 9055 continue; 9056 } 9057 9058 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9059 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9060 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9061 // this but there's not much we can do. 9062 String errorMessage = "Instruction set mismatch, " 9063 + ((requirer == null) ? "[caller]" : requirer) 9064 + " requires " + requiredInstructionSet + " whereas " + ps 9065 + " requires " + instructionSet; 9066 Slog.w(TAG, errorMessage); 9067 } 9068 9069 if (requiredInstructionSet == null) { 9070 requiredInstructionSet = instructionSet; 9071 requirer = ps; 9072 } 9073 } 9074 } 9075 9076 if (requiredInstructionSet != null) { 9077 String adjustedAbi; 9078 if (requirer != null) { 9079 // requirer != null implies that either scannedPackage was null or that scannedPackage 9080 // did not require an ABI, in which case we have to adjust scannedPackage to match 9081 // the ABI of the set (which is the same as requirer's ABI) 9082 adjustedAbi = requirer.primaryCpuAbiString; 9083 if (scannedPackage != null) { 9084 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9085 } 9086 } else { 9087 // requirer == null implies that we're updating all ABIs in the set to 9088 // match scannedPackage. 9089 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9090 } 9091 9092 for (PackageSetting ps : packagesForUser) { 9093 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9094 if (ps.primaryCpuAbiString != null) { 9095 continue; 9096 } 9097 9098 ps.primaryCpuAbiString = adjustedAbi; 9099 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9100 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9101 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9102 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9103 + " (requirer=" 9104 + (requirer == null ? "null" : requirer.pkg.packageName) 9105 + ", scannedPackage=" 9106 + (scannedPackage != null ? scannedPackage.packageName : "null") 9107 + ")"); 9108 try { 9109 mInstaller.rmdex(ps.codePathString, 9110 getDexCodeInstructionSet(getPreferredInstructionSet())); 9111 } catch (InstallerException ignored) { 9112 } 9113 } 9114 } 9115 } 9116 } 9117 } 9118 9119 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9120 synchronized (mPackages) { 9121 mResolverReplaced = true; 9122 // Set up information for custom user intent resolution activity. 9123 mResolveActivity.applicationInfo = pkg.applicationInfo; 9124 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9125 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9126 mResolveActivity.processName = pkg.applicationInfo.packageName; 9127 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9128 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9129 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9130 mResolveActivity.theme = 0; 9131 mResolveActivity.exported = true; 9132 mResolveActivity.enabled = true; 9133 mResolveInfo.activityInfo = mResolveActivity; 9134 mResolveInfo.priority = 0; 9135 mResolveInfo.preferredOrder = 0; 9136 mResolveInfo.match = 0; 9137 mResolveComponentName = mCustomResolverComponentName; 9138 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9139 mResolveComponentName); 9140 } 9141 } 9142 9143 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9144 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9145 9146 // Set up information for ephemeral installer activity 9147 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9148 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9149 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9150 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9151 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9152 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9153 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9154 mEphemeralInstallerActivity.theme = 0; 9155 mEphemeralInstallerActivity.exported = true; 9156 mEphemeralInstallerActivity.enabled = true; 9157 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9158 mEphemeralInstallerInfo.priority = 0; 9159 mEphemeralInstallerInfo.preferredOrder = 0; 9160 mEphemeralInstallerInfo.match = 0; 9161 9162 if (DEBUG_EPHEMERAL) { 9163 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9164 } 9165 } 9166 9167 private static String calculateBundledApkRoot(final String codePathString) { 9168 final File codePath = new File(codePathString); 9169 final File codeRoot; 9170 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9171 codeRoot = Environment.getRootDirectory(); 9172 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9173 codeRoot = Environment.getOemDirectory(); 9174 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9175 codeRoot = Environment.getVendorDirectory(); 9176 } else { 9177 // Unrecognized code path; take its top real segment as the apk root: 9178 // e.g. /something/app/blah.apk => /something 9179 try { 9180 File f = codePath.getCanonicalFile(); 9181 File parent = f.getParentFile(); // non-null because codePath is a file 9182 File tmp; 9183 while ((tmp = parent.getParentFile()) != null) { 9184 f = parent; 9185 parent = tmp; 9186 } 9187 codeRoot = f; 9188 Slog.w(TAG, "Unrecognized code path " 9189 + codePath + " - using " + codeRoot); 9190 } catch (IOException e) { 9191 // Can't canonicalize the code path -- shenanigans? 9192 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9193 return Environment.getRootDirectory().getPath(); 9194 } 9195 } 9196 return codeRoot.getPath(); 9197 } 9198 9199 /** 9200 * Derive and set the location of native libraries for the given package, 9201 * which varies depending on where and how the package was installed. 9202 */ 9203 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9204 final ApplicationInfo info = pkg.applicationInfo; 9205 final String codePath = pkg.codePath; 9206 final File codeFile = new File(codePath); 9207 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9208 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9209 9210 info.nativeLibraryRootDir = null; 9211 info.nativeLibraryRootRequiresIsa = false; 9212 info.nativeLibraryDir = null; 9213 info.secondaryNativeLibraryDir = null; 9214 9215 if (isApkFile(codeFile)) { 9216 // Monolithic install 9217 if (bundledApp) { 9218 // If "/system/lib64/apkname" exists, assume that is the per-package 9219 // native library directory to use; otherwise use "/system/lib/apkname". 9220 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9221 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9222 getPrimaryInstructionSet(info)); 9223 9224 // This is a bundled system app so choose the path based on the ABI. 9225 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9226 // is just the default path. 9227 final String apkName = deriveCodePathName(codePath); 9228 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9229 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9230 apkName).getAbsolutePath(); 9231 9232 if (info.secondaryCpuAbi != null) { 9233 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9234 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9235 secondaryLibDir, apkName).getAbsolutePath(); 9236 } 9237 } else if (asecApp) { 9238 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9239 .getAbsolutePath(); 9240 } else { 9241 final String apkName = deriveCodePathName(codePath); 9242 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9243 .getAbsolutePath(); 9244 } 9245 9246 info.nativeLibraryRootRequiresIsa = false; 9247 info.nativeLibraryDir = info.nativeLibraryRootDir; 9248 } else { 9249 // Cluster install 9250 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9251 info.nativeLibraryRootRequiresIsa = true; 9252 9253 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9254 getPrimaryInstructionSet(info)).getAbsolutePath(); 9255 9256 if (info.secondaryCpuAbi != null) { 9257 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9258 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9259 } 9260 } 9261 } 9262 9263 /** 9264 * Calculate the abis and roots for a bundled app. These can uniquely 9265 * be determined from the contents of the system partition, i.e whether 9266 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9267 * of this information, and instead assume that the system was built 9268 * sensibly. 9269 */ 9270 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9271 PackageSetting pkgSetting) { 9272 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9273 9274 // If "/system/lib64/apkname" exists, assume that is the per-package 9275 // native library directory to use; otherwise use "/system/lib/apkname". 9276 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9277 setBundledAppAbi(pkg, apkRoot, apkName); 9278 // pkgSetting might be null during rescan following uninstall of updates 9279 // to a bundled app, so accommodate that possibility. The settings in 9280 // that case will be established later from the parsed package. 9281 // 9282 // If the settings aren't null, sync them up with what we've just derived. 9283 // note that apkRoot isn't stored in the package settings. 9284 if (pkgSetting != null) { 9285 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9286 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9287 } 9288 } 9289 9290 /** 9291 * Deduces the ABI of a bundled app and sets the relevant fields on the 9292 * parsed pkg object. 9293 * 9294 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9295 * under which system libraries are installed. 9296 * @param apkName the name of the installed package. 9297 */ 9298 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9299 final File codeFile = new File(pkg.codePath); 9300 9301 final boolean has64BitLibs; 9302 final boolean has32BitLibs; 9303 if (isApkFile(codeFile)) { 9304 // Monolithic install 9305 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9306 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9307 } else { 9308 // Cluster install 9309 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9310 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9311 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9312 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9313 has64BitLibs = (new File(rootDir, isa)).exists(); 9314 } else { 9315 has64BitLibs = false; 9316 } 9317 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9318 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9319 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9320 has32BitLibs = (new File(rootDir, isa)).exists(); 9321 } else { 9322 has32BitLibs = false; 9323 } 9324 } 9325 9326 if (has64BitLibs && !has32BitLibs) { 9327 // The package has 64 bit libs, but not 32 bit libs. Its primary 9328 // ABI should be 64 bit. We can safely assume here that the bundled 9329 // native libraries correspond to the most preferred ABI in the list. 9330 9331 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9332 pkg.applicationInfo.secondaryCpuAbi = null; 9333 } else if (has32BitLibs && !has64BitLibs) { 9334 // The package has 32 bit libs but not 64 bit libs. Its primary 9335 // ABI should be 32 bit. 9336 9337 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9338 pkg.applicationInfo.secondaryCpuAbi = null; 9339 } else if (has32BitLibs && has64BitLibs) { 9340 // The application has both 64 and 32 bit bundled libraries. We check 9341 // here that the app declares multiArch support, and warn if it doesn't. 9342 // 9343 // We will be lenient here and record both ABIs. The primary will be the 9344 // ABI that's higher on the list, i.e, a device that's configured to prefer 9345 // 64 bit apps will see a 64 bit primary ABI, 9346 9347 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9348 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9349 } 9350 9351 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9352 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9353 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9354 } else { 9355 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9356 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9357 } 9358 } else { 9359 pkg.applicationInfo.primaryCpuAbi = null; 9360 pkg.applicationInfo.secondaryCpuAbi = null; 9361 } 9362 } 9363 9364 private void killApplication(String pkgName, int appId, String reason) { 9365 // Request the ActivityManager to kill the process(only for existing packages) 9366 // so that we do not end up in a confused state while the user is still using the older 9367 // version of the application while the new one gets installed. 9368 final long token = Binder.clearCallingIdentity(); 9369 try { 9370 IActivityManager am = ActivityManagerNative.getDefault(); 9371 if (am != null) { 9372 try { 9373 am.killApplicationWithAppId(pkgName, appId, reason); 9374 } catch (RemoteException e) { 9375 } 9376 } 9377 } finally { 9378 Binder.restoreCallingIdentity(token); 9379 } 9380 } 9381 9382 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9383 // Remove the parent package setting 9384 PackageSetting ps = (PackageSetting) pkg.mExtras; 9385 if (ps != null) { 9386 removePackageLI(ps, chatty); 9387 } 9388 // Remove the child package setting 9389 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9390 for (int i = 0; i < childCount; i++) { 9391 PackageParser.Package childPkg = pkg.childPackages.get(i); 9392 ps = (PackageSetting) childPkg.mExtras; 9393 if (ps != null) { 9394 removePackageLI(ps, chatty); 9395 } 9396 } 9397 } 9398 9399 void removePackageLI(PackageSetting ps, boolean chatty) { 9400 if (DEBUG_INSTALL) { 9401 if (chatty) 9402 Log.d(TAG, "Removing package " + ps.name); 9403 } 9404 9405 // writer 9406 synchronized (mPackages) { 9407 mPackages.remove(ps.name); 9408 final PackageParser.Package pkg = ps.pkg; 9409 if (pkg != null) { 9410 cleanPackageDataStructuresLILPw(pkg, chatty); 9411 } 9412 } 9413 } 9414 9415 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9416 if (DEBUG_INSTALL) { 9417 if (chatty) 9418 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9419 } 9420 9421 // writer 9422 synchronized (mPackages) { 9423 // Remove the parent package 9424 mPackages.remove(pkg.applicationInfo.packageName); 9425 cleanPackageDataStructuresLILPw(pkg, chatty); 9426 9427 // Remove the child packages 9428 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9429 for (int i = 0; i < childCount; i++) { 9430 PackageParser.Package childPkg = pkg.childPackages.get(i); 9431 mPackages.remove(childPkg.applicationInfo.packageName); 9432 cleanPackageDataStructuresLILPw(childPkg, chatty); 9433 } 9434 } 9435 } 9436 9437 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9438 int N = pkg.providers.size(); 9439 StringBuilder r = null; 9440 int i; 9441 for (i=0; i<N; i++) { 9442 PackageParser.Provider p = pkg.providers.get(i); 9443 mProviders.removeProvider(p); 9444 if (p.info.authority == null) { 9445 9446 /* There was another ContentProvider with this authority when 9447 * this app was installed so this authority is null, 9448 * Ignore it as we don't have to unregister the provider. 9449 */ 9450 continue; 9451 } 9452 String names[] = p.info.authority.split(";"); 9453 for (int j = 0; j < names.length; j++) { 9454 if (mProvidersByAuthority.get(names[j]) == p) { 9455 mProvidersByAuthority.remove(names[j]); 9456 if (DEBUG_REMOVE) { 9457 if (chatty) 9458 Log.d(TAG, "Unregistered content provider: " + names[j] 9459 + ", className = " + p.info.name + ", isSyncable = " 9460 + p.info.isSyncable); 9461 } 9462 } 9463 } 9464 if (DEBUG_REMOVE && chatty) { 9465 if (r == null) { 9466 r = new StringBuilder(256); 9467 } else { 9468 r.append(' '); 9469 } 9470 r.append(p.info.name); 9471 } 9472 } 9473 if (r != null) { 9474 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9475 } 9476 9477 N = pkg.services.size(); 9478 r = null; 9479 for (i=0; i<N; i++) { 9480 PackageParser.Service s = pkg.services.get(i); 9481 mServices.removeService(s); 9482 if (chatty) { 9483 if (r == null) { 9484 r = new StringBuilder(256); 9485 } else { 9486 r.append(' '); 9487 } 9488 r.append(s.info.name); 9489 } 9490 } 9491 if (r != null) { 9492 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9493 } 9494 9495 N = pkg.receivers.size(); 9496 r = null; 9497 for (i=0; i<N; i++) { 9498 PackageParser.Activity a = pkg.receivers.get(i); 9499 mReceivers.removeActivity(a, "receiver"); 9500 if (DEBUG_REMOVE && chatty) { 9501 if (r == null) { 9502 r = new StringBuilder(256); 9503 } else { 9504 r.append(' '); 9505 } 9506 r.append(a.info.name); 9507 } 9508 } 9509 if (r != null) { 9510 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9511 } 9512 9513 N = pkg.activities.size(); 9514 r = null; 9515 for (i=0; i<N; i++) { 9516 PackageParser.Activity a = pkg.activities.get(i); 9517 mActivities.removeActivity(a, "activity"); 9518 if (DEBUG_REMOVE && chatty) { 9519 if (r == null) { 9520 r = new StringBuilder(256); 9521 } else { 9522 r.append(' '); 9523 } 9524 r.append(a.info.name); 9525 } 9526 } 9527 if (r != null) { 9528 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9529 } 9530 9531 N = pkg.permissions.size(); 9532 r = null; 9533 for (i=0; i<N; i++) { 9534 PackageParser.Permission p = pkg.permissions.get(i); 9535 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9536 if (bp == null) { 9537 bp = mSettings.mPermissionTrees.get(p.info.name); 9538 } 9539 if (bp != null && bp.perm == p) { 9540 bp.perm = null; 9541 if (DEBUG_REMOVE && chatty) { 9542 if (r == null) { 9543 r = new StringBuilder(256); 9544 } else { 9545 r.append(' '); 9546 } 9547 r.append(p.info.name); 9548 } 9549 } 9550 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9551 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9552 if (appOpPkgs != null) { 9553 appOpPkgs.remove(pkg.packageName); 9554 } 9555 } 9556 } 9557 if (r != null) { 9558 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9559 } 9560 9561 N = pkg.requestedPermissions.size(); 9562 r = null; 9563 for (i=0; i<N; i++) { 9564 String perm = pkg.requestedPermissions.get(i); 9565 BasePermission bp = mSettings.mPermissions.get(perm); 9566 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9567 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9568 if (appOpPkgs != null) { 9569 appOpPkgs.remove(pkg.packageName); 9570 if (appOpPkgs.isEmpty()) { 9571 mAppOpPermissionPackages.remove(perm); 9572 } 9573 } 9574 } 9575 } 9576 if (r != null) { 9577 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9578 } 9579 9580 N = pkg.instrumentation.size(); 9581 r = null; 9582 for (i=0; i<N; i++) { 9583 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9584 mInstrumentation.remove(a.getComponentName()); 9585 if (DEBUG_REMOVE && chatty) { 9586 if (r == null) { 9587 r = new StringBuilder(256); 9588 } else { 9589 r.append(' '); 9590 } 9591 r.append(a.info.name); 9592 } 9593 } 9594 if (r != null) { 9595 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9596 } 9597 9598 r = null; 9599 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9600 // Only system apps can hold shared libraries. 9601 if (pkg.libraryNames != null) { 9602 for (i=0; i<pkg.libraryNames.size(); i++) { 9603 String name = pkg.libraryNames.get(i); 9604 SharedLibraryEntry cur = mSharedLibraries.get(name); 9605 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9606 mSharedLibraries.remove(name); 9607 if (DEBUG_REMOVE && chatty) { 9608 if (r == null) { 9609 r = new StringBuilder(256); 9610 } else { 9611 r.append(' '); 9612 } 9613 r.append(name); 9614 } 9615 } 9616 } 9617 } 9618 } 9619 if (r != null) { 9620 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9621 } 9622 } 9623 9624 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9625 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9626 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9627 return true; 9628 } 9629 } 9630 return false; 9631 } 9632 9633 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9634 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9635 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9636 9637 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9638 // Update the parent permissions 9639 updatePermissionsLPw(pkg.packageName, pkg, flags); 9640 // Update the child permissions 9641 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9642 for (int i = 0; i < childCount; i++) { 9643 PackageParser.Package childPkg = pkg.childPackages.get(i); 9644 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9645 } 9646 } 9647 9648 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9649 int flags) { 9650 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9651 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9652 } 9653 9654 private void updatePermissionsLPw(String changingPkg, 9655 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9656 // Make sure there are no dangling permission trees. 9657 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9658 while (it.hasNext()) { 9659 final BasePermission bp = it.next(); 9660 if (bp.packageSetting == null) { 9661 // We may not yet have parsed the package, so just see if 9662 // we still know about its settings. 9663 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9664 } 9665 if (bp.packageSetting == null) { 9666 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9667 + " from package " + bp.sourcePackage); 9668 it.remove(); 9669 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9670 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9671 Slog.i(TAG, "Removing old permission tree: " + bp.name 9672 + " from package " + bp.sourcePackage); 9673 flags |= UPDATE_PERMISSIONS_ALL; 9674 it.remove(); 9675 } 9676 } 9677 } 9678 9679 // Make sure all dynamic permissions have been assigned to a package, 9680 // and make sure there are no dangling permissions. 9681 it = mSettings.mPermissions.values().iterator(); 9682 while (it.hasNext()) { 9683 final BasePermission bp = it.next(); 9684 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9685 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9686 + bp.name + " pkg=" + bp.sourcePackage 9687 + " info=" + bp.pendingInfo); 9688 if (bp.packageSetting == null && bp.pendingInfo != null) { 9689 final BasePermission tree = findPermissionTreeLP(bp.name); 9690 if (tree != null && tree.perm != null) { 9691 bp.packageSetting = tree.packageSetting; 9692 bp.perm = new PackageParser.Permission(tree.perm.owner, 9693 new PermissionInfo(bp.pendingInfo)); 9694 bp.perm.info.packageName = tree.perm.info.packageName; 9695 bp.perm.info.name = bp.name; 9696 bp.uid = tree.uid; 9697 } 9698 } 9699 } 9700 if (bp.packageSetting == null) { 9701 // We may not yet have parsed the package, so just see if 9702 // we still know about its settings. 9703 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9704 } 9705 if (bp.packageSetting == null) { 9706 Slog.w(TAG, "Removing dangling permission: " + bp.name 9707 + " from package " + bp.sourcePackage); 9708 it.remove(); 9709 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9710 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9711 Slog.i(TAG, "Removing old permission: " + bp.name 9712 + " from package " + bp.sourcePackage); 9713 flags |= UPDATE_PERMISSIONS_ALL; 9714 it.remove(); 9715 } 9716 } 9717 } 9718 9719 // Now update the permissions for all packages, in particular 9720 // replace the granted permissions of the system packages. 9721 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9722 for (PackageParser.Package pkg : mPackages.values()) { 9723 if (pkg != pkgInfo) { 9724 // Only replace for packages on requested volume 9725 final String volumeUuid = getVolumeUuidForPackage(pkg); 9726 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9727 && Objects.equals(replaceVolumeUuid, volumeUuid); 9728 grantPermissionsLPw(pkg, replace, changingPkg); 9729 } 9730 } 9731 } 9732 9733 if (pkgInfo != null) { 9734 // Only replace for packages on requested volume 9735 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9736 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9737 && Objects.equals(replaceVolumeUuid, volumeUuid); 9738 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9739 } 9740 } 9741 9742 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9743 String packageOfInterest) { 9744 // IMPORTANT: There are two types of permissions: install and runtime. 9745 // Install time permissions are granted when the app is installed to 9746 // all device users and users added in the future. Runtime permissions 9747 // are granted at runtime explicitly to specific users. Normal and signature 9748 // protected permissions are install time permissions. Dangerous permissions 9749 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9750 // otherwise they are runtime permissions. This function does not manage 9751 // runtime permissions except for the case an app targeting Lollipop MR1 9752 // being upgraded to target a newer SDK, in which case dangerous permissions 9753 // are transformed from install time to runtime ones. 9754 9755 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9756 if (ps == null) { 9757 return; 9758 } 9759 9760 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9761 9762 PermissionsState permissionsState = ps.getPermissionsState(); 9763 PermissionsState origPermissions = permissionsState; 9764 9765 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9766 9767 boolean runtimePermissionsRevoked = false; 9768 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9769 9770 boolean changedInstallPermission = false; 9771 9772 if (replace) { 9773 ps.installPermissionsFixed = false; 9774 if (!ps.isSharedUser()) { 9775 origPermissions = new PermissionsState(permissionsState); 9776 permissionsState.reset(); 9777 } else { 9778 // We need to know only about runtime permission changes since the 9779 // calling code always writes the install permissions state but 9780 // the runtime ones are written only if changed. The only cases of 9781 // changed runtime permissions here are promotion of an install to 9782 // runtime and revocation of a runtime from a shared user. 9783 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9784 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9785 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9786 runtimePermissionsRevoked = true; 9787 } 9788 } 9789 } 9790 9791 permissionsState.setGlobalGids(mGlobalGids); 9792 9793 final int N = pkg.requestedPermissions.size(); 9794 for (int i=0; i<N; i++) { 9795 final String name = pkg.requestedPermissions.get(i); 9796 final BasePermission bp = mSettings.mPermissions.get(name); 9797 9798 if (DEBUG_INSTALL) { 9799 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9800 } 9801 9802 if (bp == null || bp.packageSetting == null) { 9803 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9804 Slog.w(TAG, "Unknown permission " + name 9805 + " in package " + pkg.packageName); 9806 } 9807 continue; 9808 } 9809 9810 final String perm = bp.name; 9811 boolean allowedSig = false; 9812 int grant = GRANT_DENIED; 9813 9814 // Keep track of app op permissions. 9815 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9816 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9817 if (pkgs == null) { 9818 pkgs = new ArraySet<>(); 9819 mAppOpPermissionPackages.put(bp.name, pkgs); 9820 } 9821 pkgs.add(pkg.packageName); 9822 } 9823 9824 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9825 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9826 >= Build.VERSION_CODES.M; 9827 switch (level) { 9828 case PermissionInfo.PROTECTION_NORMAL: { 9829 // For all apps normal permissions are install time ones. 9830 grant = GRANT_INSTALL; 9831 } break; 9832 9833 case PermissionInfo.PROTECTION_DANGEROUS: { 9834 // If a permission review is required for legacy apps we represent 9835 // their permissions as always granted runtime ones since we need 9836 // to keep the review required permission flag per user while an 9837 // install permission's state is shared across all users. 9838 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9839 // For legacy apps dangerous permissions are install time ones. 9840 grant = GRANT_INSTALL; 9841 } else if (origPermissions.hasInstallPermission(bp.name)) { 9842 // For legacy apps that became modern, install becomes runtime. 9843 grant = GRANT_UPGRADE; 9844 } else if (mPromoteSystemApps 9845 && isSystemApp(ps) 9846 && mExistingSystemPackages.contains(ps.name)) { 9847 // For legacy system apps, install becomes runtime. 9848 // We cannot check hasInstallPermission() for system apps since those 9849 // permissions were granted implicitly and not persisted pre-M. 9850 grant = GRANT_UPGRADE; 9851 } else { 9852 // For modern apps keep runtime permissions unchanged. 9853 grant = GRANT_RUNTIME; 9854 } 9855 } break; 9856 9857 case PermissionInfo.PROTECTION_SIGNATURE: { 9858 // For all apps signature permissions are install time ones. 9859 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9860 if (allowedSig) { 9861 grant = GRANT_INSTALL; 9862 } 9863 } break; 9864 } 9865 9866 if (DEBUG_INSTALL) { 9867 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9868 } 9869 9870 if (grant != GRANT_DENIED) { 9871 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9872 // If this is an existing, non-system package, then 9873 // we can't add any new permissions to it. 9874 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9875 // Except... if this is a permission that was added 9876 // to the platform (note: need to only do this when 9877 // updating the platform). 9878 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9879 grant = GRANT_DENIED; 9880 } 9881 } 9882 } 9883 9884 switch (grant) { 9885 case GRANT_INSTALL: { 9886 // Revoke this as runtime permission to handle the case of 9887 // a runtime permission being downgraded to an install one. 9888 // Also in permission review mode we keep dangerous permissions 9889 // for legacy apps 9890 for (int userId : UserManagerService.getInstance().getUserIds()) { 9891 if (origPermissions.getRuntimePermissionState( 9892 bp.name, userId) != null) { 9893 // Revoke the runtime permission and clear the flags. 9894 origPermissions.revokeRuntimePermission(bp, userId); 9895 origPermissions.updatePermissionFlags(bp, userId, 9896 PackageManager.MASK_PERMISSION_FLAGS, 0); 9897 // If we revoked a permission permission, we have to write. 9898 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9899 changedRuntimePermissionUserIds, userId); 9900 } 9901 } 9902 // Grant an install permission. 9903 if (permissionsState.grantInstallPermission(bp) != 9904 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9905 changedInstallPermission = true; 9906 } 9907 } break; 9908 9909 case GRANT_RUNTIME: { 9910 // Grant previously granted runtime permissions. 9911 for (int userId : UserManagerService.getInstance().getUserIds()) { 9912 PermissionState permissionState = origPermissions 9913 .getRuntimePermissionState(bp.name, userId); 9914 int flags = permissionState != null 9915 ? permissionState.getFlags() : 0; 9916 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9917 if (permissionsState.grantRuntimePermission(bp, userId) == 9918 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9919 // If we cannot put the permission as it was, we have to write. 9920 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9921 changedRuntimePermissionUserIds, userId); 9922 } 9923 // If the app supports runtime permissions no need for a review. 9924 if (Build.PERMISSIONS_REVIEW_REQUIRED 9925 && appSupportsRuntimePermissions 9926 && (flags & PackageManager 9927 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9928 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9929 // Since we changed the flags, we have to write. 9930 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9931 changedRuntimePermissionUserIds, userId); 9932 } 9933 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9934 && !appSupportsRuntimePermissions) { 9935 // For legacy apps that need a permission review, every new 9936 // runtime permission is granted but it is pending a review. 9937 // We also need to review only platform defined runtime 9938 // permissions as these are the only ones the platform knows 9939 // how to disable the API to simulate revocation as legacy 9940 // apps don't expect to run with revoked permissions. 9941 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 9942 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9943 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9944 // We changed the flags, hence have to write. 9945 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9946 changedRuntimePermissionUserIds, userId); 9947 } 9948 } 9949 if (permissionsState.grantRuntimePermission(bp, userId) 9950 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9951 // We changed the permission, hence have to write. 9952 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9953 changedRuntimePermissionUserIds, userId); 9954 } 9955 } 9956 // Propagate the permission flags. 9957 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9958 } 9959 } break; 9960 9961 case GRANT_UPGRADE: { 9962 // Grant runtime permissions for a previously held install permission. 9963 PermissionState permissionState = origPermissions 9964 .getInstallPermissionState(bp.name); 9965 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9966 9967 if (origPermissions.revokeInstallPermission(bp) 9968 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9969 // We will be transferring the permission flags, so clear them. 9970 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9971 PackageManager.MASK_PERMISSION_FLAGS, 0); 9972 changedInstallPermission = true; 9973 } 9974 9975 // If the permission is not to be promoted to runtime we ignore it and 9976 // also its other flags as they are not applicable to install permissions. 9977 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9978 for (int userId : currentUserIds) { 9979 if (permissionsState.grantRuntimePermission(bp, userId) != 9980 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9981 // Transfer the permission flags. 9982 permissionsState.updatePermissionFlags(bp, userId, 9983 flags, flags); 9984 // If we granted the permission, we have to write. 9985 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9986 changedRuntimePermissionUserIds, userId); 9987 } 9988 } 9989 } 9990 } break; 9991 9992 default: { 9993 if (packageOfInterest == null 9994 || packageOfInterest.equals(pkg.packageName)) { 9995 Slog.w(TAG, "Not granting permission " + perm 9996 + " to package " + pkg.packageName 9997 + " because it was previously installed without"); 9998 } 9999 } break; 10000 } 10001 } else { 10002 if (permissionsState.revokeInstallPermission(bp) != 10003 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10004 // Also drop the permission flags. 10005 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10006 PackageManager.MASK_PERMISSION_FLAGS, 0); 10007 changedInstallPermission = true; 10008 Slog.i(TAG, "Un-granting permission " + perm 10009 + " from package " + pkg.packageName 10010 + " (protectionLevel=" + bp.protectionLevel 10011 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10012 + ")"); 10013 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10014 // Don't print warning for app op permissions, since it is fine for them 10015 // not to be granted, there is a UI for the user to decide. 10016 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10017 Slog.w(TAG, "Not granting permission " + perm 10018 + " to package " + pkg.packageName 10019 + " (protectionLevel=" + bp.protectionLevel 10020 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10021 + ")"); 10022 } 10023 } 10024 } 10025 } 10026 10027 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10028 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10029 // This is the first that we have heard about this package, so the 10030 // permissions we have now selected are fixed until explicitly 10031 // changed. 10032 ps.installPermissionsFixed = true; 10033 } 10034 10035 // Persist the runtime permissions state for users with changes. If permissions 10036 // were revoked because no app in the shared user declares them we have to 10037 // write synchronously to avoid losing runtime permissions state. 10038 for (int userId : changedRuntimePermissionUserIds) { 10039 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10040 } 10041 10042 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10043 } 10044 10045 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10046 boolean allowed = false; 10047 final int NP = PackageParser.NEW_PERMISSIONS.length; 10048 for (int ip=0; ip<NP; ip++) { 10049 final PackageParser.NewPermissionInfo npi 10050 = PackageParser.NEW_PERMISSIONS[ip]; 10051 if (npi.name.equals(perm) 10052 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10053 allowed = true; 10054 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10055 + pkg.packageName); 10056 break; 10057 } 10058 } 10059 return allowed; 10060 } 10061 10062 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10063 BasePermission bp, PermissionsState origPermissions) { 10064 boolean allowed; 10065 allowed = (compareSignatures( 10066 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10067 == PackageManager.SIGNATURE_MATCH) 10068 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10069 == PackageManager.SIGNATURE_MATCH); 10070 if (!allowed && (bp.protectionLevel 10071 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10072 if (isSystemApp(pkg)) { 10073 // For updated system applications, a system permission 10074 // is granted only if it had been defined by the original application. 10075 if (pkg.isUpdatedSystemApp()) { 10076 final PackageSetting sysPs = mSettings 10077 .getDisabledSystemPkgLPr(pkg.packageName); 10078 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10079 // If the original was granted this permission, we take 10080 // that grant decision as read and propagate it to the 10081 // update. 10082 if (sysPs.isPrivileged()) { 10083 allowed = true; 10084 } 10085 } else { 10086 // The system apk may have been updated with an older 10087 // version of the one on the data partition, but which 10088 // granted a new system permission that it didn't have 10089 // before. In this case we do want to allow the app to 10090 // now get the new permission if the ancestral apk is 10091 // privileged to get it. 10092 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10093 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10094 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10095 allowed = true; 10096 break; 10097 } 10098 } 10099 } 10100 // Also if a privileged parent package on the system image or any of 10101 // its children requested a privileged permission, the updated child 10102 // packages can also get the permission. 10103 if (pkg.parentPackage != null) { 10104 final PackageSetting disabledSysParentPs = mSettings 10105 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10106 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10107 && disabledSysParentPs.isPrivileged()) { 10108 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10109 allowed = true; 10110 } else if (disabledSysParentPs.pkg.childPackages != null) { 10111 final int count = disabledSysParentPs.pkg.childPackages.size(); 10112 for (int i = 0; i < count; i++) { 10113 PackageParser.Package disabledSysChildPkg = 10114 disabledSysParentPs.pkg.childPackages.get(i); 10115 if (isPackageRequestingPermission(disabledSysChildPkg, 10116 perm)) { 10117 allowed = true; 10118 break; 10119 } 10120 } 10121 } 10122 } 10123 } 10124 } 10125 } else { 10126 allowed = isPrivilegedApp(pkg); 10127 } 10128 } 10129 } 10130 if (!allowed) { 10131 if (!allowed && (bp.protectionLevel 10132 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10133 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10134 // If this was a previously normal/dangerous permission that got moved 10135 // to a system permission as part of the runtime permission redesign, then 10136 // we still want to blindly grant it to old apps. 10137 allowed = true; 10138 } 10139 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10140 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10141 // If this permission is to be granted to the system installer and 10142 // this app is an installer, then it gets the permission. 10143 allowed = true; 10144 } 10145 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10146 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10147 // If this permission is to be granted to the system verifier and 10148 // this app is a verifier, then it gets the permission. 10149 allowed = true; 10150 } 10151 if (!allowed && (bp.protectionLevel 10152 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10153 && isSystemApp(pkg)) { 10154 // Any pre-installed system app is allowed to get this permission. 10155 allowed = true; 10156 } 10157 if (!allowed && (bp.protectionLevel 10158 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10159 // For development permissions, a development permission 10160 // is granted only if it was already granted. 10161 allowed = origPermissions.hasInstallPermission(perm); 10162 } 10163 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10164 && pkg.packageName.equals(mSetupWizardPackage)) { 10165 // If this permission is to be granted to the system setup wizard and 10166 // this app is a setup wizard, then it gets the permission. 10167 allowed = true; 10168 } 10169 } 10170 return allowed; 10171 } 10172 10173 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10174 final int permCount = pkg.requestedPermissions.size(); 10175 for (int j = 0; j < permCount; j++) { 10176 String requestedPermission = pkg.requestedPermissions.get(j); 10177 if (permission.equals(requestedPermission)) { 10178 return true; 10179 } 10180 } 10181 return false; 10182 } 10183 10184 final class ActivityIntentResolver 10185 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10186 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10187 boolean defaultOnly, int userId) { 10188 if (!sUserManager.exists(userId)) return null; 10189 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10190 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10191 } 10192 10193 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10194 int userId) { 10195 if (!sUserManager.exists(userId)) return null; 10196 mFlags = flags; 10197 return super.queryIntent(intent, resolvedType, 10198 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10199 } 10200 10201 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10202 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10203 if (!sUserManager.exists(userId)) return null; 10204 if (packageActivities == null) { 10205 return null; 10206 } 10207 mFlags = flags; 10208 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10209 final int N = packageActivities.size(); 10210 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10211 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10212 10213 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10214 for (int i = 0; i < N; ++i) { 10215 intentFilters = packageActivities.get(i).intents; 10216 if (intentFilters != null && intentFilters.size() > 0) { 10217 PackageParser.ActivityIntentInfo[] array = 10218 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10219 intentFilters.toArray(array); 10220 listCut.add(array); 10221 } 10222 } 10223 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10224 } 10225 10226 /** 10227 * Finds a privileged activity that matches the specified activity names. 10228 */ 10229 private PackageParser.Activity findMatchingActivity( 10230 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10231 for (PackageParser.Activity sysActivity : activityList) { 10232 if (sysActivity.info.name.equals(activityInfo.name)) { 10233 return sysActivity; 10234 } 10235 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10236 return sysActivity; 10237 } 10238 if (sysActivity.info.targetActivity != null) { 10239 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10240 return sysActivity; 10241 } 10242 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10243 return sysActivity; 10244 } 10245 } 10246 } 10247 return null; 10248 } 10249 10250 public class IterGenerator<E> { 10251 public Iterator<E> generate(ActivityIntentInfo info) { 10252 return null; 10253 } 10254 } 10255 10256 public class ActionIterGenerator extends IterGenerator<String> { 10257 @Override 10258 public Iterator<String> generate(ActivityIntentInfo info) { 10259 return info.actionsIterator(); 10260 } 10261 } 10262 10263 public class CategoriesIterGenerator extends IterGenerator<String> { 10264 @Override 10265 public Iterator<String> generate(ActivityIntentInfo info) { 10266 return info.categoriesIterator(); 10267 } 10268 } 10269 10270 public class SchemesIterGenerator extends IterGenerator<String> { 10271 @Override 10272 public Iterator<String> generate(ActivityIntentInfo info) { 10273 return info.schemesIterator(); 10274 } 10275 } 10276 10277 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10278 @Override 10279 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10280 return info.authoritiesIterator(); 10281 } 10282 } 10283 10284 /** 10285 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10286 * MODIFIED. Do not pass in a list that should not be changed. 10287 */ 10288 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10289 IterGenerator<T> generator, Iterator<T> searchIterator) { 10290 // loop through the set of actions; every one must be found in the intent filter 10291 while (searchIterator.hasNext()) { 10292 // we must have at least one filter in the list to consider a match 10293 if (intentList.size() == 0) { 10294 break; 10295 } 10296 10297 final T searchAction = searchIterator.next(); 10298 10299 // loop through the set of intent filters 10300 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10301 while (intentIter.hasNext()) { 10302 final ActivityIntentInfo intentInfo = intentIter.next(); 10303 boolean selectionFound = false; 10304 10305 // loop through the intent filter's selection criteria; at least one 10306 // of them must match the searched criteria 10307 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10308 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10309 final T intentSelection = intentSelectionIter.next(); 10310 if (intentSelection != null && intentSelection.equals(searchAction)) { 10311 selectionFound = true; 10312 break; 10313 } 10314 } 10315 10316 // the selection criteria wasn't found in this filter's set; this filter 10317 // is not a potential match 10318 if (!selectionFound) { 10319 intentIter.remove(); 10320 } 10321 } 10322 } 10323 } 10324 10325 private boolean isProtectedAction(ActivityIntentInfo filter) { 10326 final Iterator<String> actionsIter = filter.actionsIterator(); 10327 while (actionsIter != null && actionsIter.hasNext()) { 10328 final String filterAction = actionsIter.next(); 10329 if (PROTECTED_ACTIONS.contains(filterAction)) { 10330 return true; 10331 } 10332 } 10333 return false; 10334 } 10335 10336 /** 10337 * Adjusts the priority of the given intent filter according to policy. 10338 * <p> 10339 * <ul> 10340 * <li>The priority for non privileged applications is capped to '0'</li> 10341 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10342 * <li>The priority for unbundled updates to privileged applications is capped to the 10343 * priority defined on the system partition</li> 10344 * </ul> 10345 * <p> 10346 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10347 * allowed to obtain any priority on any action. 10348 */ 10349 private void adjustPriority( 10350 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10351 // nothing to do; priority is fine as-is 10352 if (intent.getPriority() <= 0) { 10353 return; 10354 } 10355 10356 final ActivityInfo activityInfo = intent.activity.info; 10357 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10358 10359 final boolean privilegedApp = 10360 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10361 if (!privilegedApp) { 10362 // non-privileged applications can never define a priority >0 10363 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10364 + " package: " + applicationInfo.packageName 10365 + " activity: " + intent.activity.className 10366 + " origPrio: " + intent.getPriority()); 10367 intent.setPriority(0); 10368 return; 10369 } 10370 10371 if (systemActivities == null) { 10372 // the system package is not disabled; we're parsing the system partition 10373 if (isProtectedAction(intent)) { 10374 if (mDeferProtectedFilters) { 10375 // We can't deal with these just yet. No component should ever obtain a 10376 // >0 priority for a protected actions, with ONE exception -- the setup 10377 // wizard. The setup wizard, however, cannot be known until we're able to 10378 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10379 // until all intent filters have been processed. Chicken, meet egg. 10380 // Let the filter temporarily have a high priority and rectify the 10381 // priorities after all system packages have been scanned. 10382 mProtectedFilters.add(intent); 10383 if (DEBUG_FILTERS) { 10384 Slog.i(TAG, "Protected action; save for later;" 10385 + " package: " + applicationInfo.packageName 10386 + " activity: " + intent.activity.className 10387 + " origPrio: " + intent.getPriority()); 10388 } 10389 return; 10390 } else { 10391 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10392 Slog.i(TAG, "No setup wizard;" 10393 + " All protected intents capped to priority 0"); 10394 } 10395 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10396 if (DEBUG_FILTERS) { 10397 Slog.i(TAG, "Found setup wizard;" 10398 + " allow priority " + intent.getPriority() + ";" 10399 + " package: " + intent.activity.info.packageName 10400 + " activity: " + intent.activity.className 10401 + " priority: " + intent.getPriority()); 10402 } 10403 // setup wizard gets whatever it wants 10404 return; 10405 } 10406 Slog.w(TAG, "Protected action; cap priority to 0;" 10407 + " package: " + intent.activity.info.packageName 10408 + " activity: " + intent.activity.className 10409 + " origPrio: " + intent.getPriority()); 10410 intent.setPriority(0); 10411 return; 10412 } 10413 } 10414 // privileged apps on the system image get whatever priority they request 10415 return; 10416 } 10417 10418 // privileged app unbundled update ... try to find the same activity 10419 final PackageParser.Activity foundActivity = 10420 findMatchingActivity(systemActivities, activityInfo); 10421 if (foundActivity == null) { 10422 // this is a new activity; it cannot obtain >0 priority 10423 if (DEBUG_FILTERS) { 10424 Slog.i(TAG, "New activity; cap priority to 0;" 10425 + " package: " + applicationInfo.packageName 10426 + " activity: " + intent.activity.className 10427 + " origPrio: " + intent.getPriority()); 10428 } 10429 intent.setPriority(0); 10430 return; 10431 } 10432 10433 // found activity, now check for filter equivalence 10434 10435 // a shallow copy is enough; we modify the list, not its contents 10436 final List<ActivityIntentInfo> intentListCopy = 10437 new ArrayList<>(foundActivity.intents); 10438 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10439 10440 // find matching action subsets 10441 final Iterator<String> actionsIterator = intent.actionsIterator(); 10442 if (actionsIterator != null) { 10443 getIntentListSubset( 10444 intentListCopy, new ActionIterGenerator(), actionsIterator); 10445 if (intentListCopy.size() == 0) { 10446 // no more intents to match; we're not equivalent 10447 if (DEBUG_FILTERS) { 10448 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10449 + " package: " + applicationInfo.packageName 10450 + " activity: " + intent.activity.className 10451 + " origPrio: " + intent.getPriority()); 10452 } 10453 intent.setPriority(0); 10454 return; 10455 } 10456 } 10457 10458 // find matching category subsets 10459 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10460 if (categoriesIterator != null) { 10461 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10462 categoriesIterator); 10463 if (intentListCopy.size() == 0) { 10464 // no more intents to match; we're not equivalent 10465 if (DEBUG_FILTERS) { 10466 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10467 + " package: " + applicationInfo.packageName 10468 + " activity: " + intent.activity.className 10469 + " origPrio: " + intent.getPriority()); 10470 } 10471 intent.setPriority(0); 10472 return; 10473 } 10474 } 10475 10476 // find matching schemes subsets 10477 final Iterator<String> schemesIterator = intent.schemesIterator(); 10478 if (schemesIterator != null) { 10479 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10480 schemesIterator); 10481 if (intentListCopy.size() == 0) { 10482 // no more intents to match; we're not equivalent 10483 if (DEBUG_FILTERS) { 10484 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10485 + " package: " + applicationInfo.packageName 10486 + " activity: " + intent.activity.className 10487 + " origPrio: " + intent.getPriority()); 10488 } 10489 intent.setPriority(0); 10490 return; 10491 } 10492 } 10493 10494 // find matching authorities subsets 10495 final Iterator<IntentFilter.AuthorityEntry> 10496 authoritiesIterator = intent.authoritiesIterator(); 10497 if (authoritiesIterator != null) { 10498 getIntentListSubset(intentListCopy, 10499 new AuthoritiesIterGenerator(), 10500 authoritiesIterator); 10501 if (intentListCopy.size() == 0) { 10502 // no more intents to match; we're not equivalent 10503 if (DEBUG_FILTERS) { 10504 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10505 + " package: " + applicationInfo.packageName 10506 + " activity: " + intent.activity.className 10507 + " origPrio: " + intent.getPriority()); 10508 } 10509 intent.setPriority(0); 10510 return; 10511 } 10512 } 10513 10514 // we found matching filter(s); app gets the max priority of all intents 10515 int cappedPriority = 0; 10516 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10517 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10518 } 10519 if (intent.getPriority() > cappedPriority) { 10520 if (DEBUG_FILTERS) { 10521 Slog.i(TAG, "Found matching filter(s);" 10522 + " cap priority to " + cappedPriority + ";" 10523 + " package: " + applicationInfo.packageName 10524 + " activity: " + intent.activity.className 10525 + " origPrio: " + intent.getPriority()); 10526 } 10527 intent.setPriority(cappedPriority); 10528 return; 10529 } 10530 // all this for nothing; the requested priority was <= what was on the system 10531 } 10532 10533 public final void addActivity(PackageParser.Activity a, String type) { 10534 mActivities.put(a.getComponentName(), a); 10535 if (DEBUG_SHOW_INFO) 10536 Log.v( 10537 TAG, " " + type + " " + 10538 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10539 if (DEBUG_SHOW_INFO) 10540 Log.v(TAG, " Class=" + a.info.name); 10541 final int NI = a.intents.size(); 10542 for (int j=0; j<NI; j++) { 10543 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10544 if ("activity".equals(type)) { 10545 final PackageSetting ps = 10546 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10547 final List<PackageParser.Activity> systemActivities = 10548 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10549 adjustPriority(systemActivities, intent); 10550 } 10551 if (DEBUG_SHOW_INFO) { 10552 Log.v(TAG, " IntentFilter:"); 10553 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10554 } 10555 if (!intent.debugCheck()) { 10556 Log.w(TAG, "==> For Activity " + a.info.name); 10557 } 10558 addFilter(intent); 10559 } 10560 } 10561 10562 public final void removeActivity(PackageParser.Activity a, String type) { 10563 mActivities.remove(a.getComponentName()); 10564 if (DEBUG_SHOW_INFO) { 10565 Log.v(TAG, " " + type + " " 10566 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10567 : a.info.name) + ":"); 10568 Log.v(TAG, " Class=" + a.info.name); 10569 } 10570 final int NI = a.intents.size(); 10571 for (int j=0; j<NI; j++) { 10572 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10573 if (DEBUG_SHOW_INFO) { 10574 Log.v(TAG, " IntentFilter:"); 10575 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10576 } 10577 removeFilter(intent); 10578 } 10579 } 10580 10581 @Override 10582 protected boolean allowFilterResult( 10583 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10584 ActivityInfo filterAi = filter.activity.info; 10585 for (int i=dest.size()-1; i>=0; i--) { 10586 ActivityInfo destAi = dest.get(i).activityInfo; 10587 if (destAi.name == filterAi.name 10588 && destAi.packageName == filterAi.packageName) { 10589 return false; 10590 } 10591 } 10592 return true; 10593 } 10594 10595 @Override 10596 protected ActivityIntentInfo[] newArray(int size) { 10597 return new ActivityIntentInfo[size]; 10598 } 10599 10600 @Override 10601 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10602 if (!sUserManager.exists(userId)) return true; 10603 PackageParser.Package p = filter.activity.owner; 10604 if (p != null) { 10605 PackageSetting ps = (PackageSetting)p.mExtras; 10606 if (ps != null) { 10607 // System apps are never considered stopped for purposes of 10608 // filtering, because there may be no way for the user to 10609 // actually re-launch them. 10610 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10611 && ps.getStopped(userId); 10612 } 10613 } 10614 return false; 10615 } 10616 10617 @Override 10618 protected boolean isPackageForFilter(String packageName, 10619 PackageParser.ActivityIntentInfo info) { 10620 return packageName.equals(info.activity.owner.packageName); 10621 } 10622 10623 @Override 10624 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10625 int match, int userId) { 10626 if (!sUserManager.exists(userId)) return null; 10627 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10628 return null; 10629 } 10630 final PackageParser.Activity activity = info.activity; 10631 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10632 if (ps == null) { 10633 return null; 10634 } 10635 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10636 ps.readUserState(userId), userId); 10637 if (ai == null) { 10638 return null; 10639 } 10640 final ResolveInfo res = new ResolveInfo(); 10641 res.activityInfo = ai; 10642 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10643 res.filter = info; 10644 } 10645 if (info != null) { 10646 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10647 } 10648 res.priority = info.getPriority(); 10649 res.preferredOrder = activity.owner.mPreferredOrder; 10650 //System.out.println("Result: " + res.activityInfo.className + 10651 // " = " + res.priority); 10652 res.match = match; 10653 res.isDefault = info.hasDefault; 10654 res.labelRes = info.labelRes; 10655 res.nonLocalizedLabel = info.nonLocalizedLabel; 10656 if (userNeedsBadging(userId)) { 10657 res.noResourceId = true; 10658 } else { 10659 res.icon = info.icon; 10660 } 10661 res.iconResourceId = info.icon; 10662 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10663 return res; 10664 } 10665 10666 @Override 10667 protected void sortResults(List<ResolveInfo> results) { 10668 Collections.sort(results, mResolvePrioritySorter); 10669 } 10670 10671 @Override 10672 protected void dumpFilter(PrintWriter out, String prefix, 10673 PackageParser.ActivityIntentInfo filter) { 10674 out.print(prefix); out.print( 10675 Integer.toHexString(System.identityHashCode(filter.activity))); 10676 out.print(' '); 10677 filter.activity.printComponentShortName(out); 10678 out.print(" filter "); 10679 out.println(Integer.toHexString(System.identityHashCode(filter))); 10680 } 10681 10682 @Override 10683 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10684 return filter.activity; 10685 } 10686 10687 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10688 PackageParser.Activity activity = (PackageParser.Activity)label; 10689 out.print(prefix); out.print( 10690 Integer.toHexString(System.identityHashCode(activity))); 10691 out.print(' '); 10692 activity.printComponentShortName(out); 10693 if (count > 1) { 10694 out.print(" ("); out.print(count); out.print(" filters)"); 10695 } 10696 out.println(); 10697 } 10698 10699 // Keys are String (activity class name), values are Activity. 10700 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10701 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10702 private int mFlags; 10703 } 10704 10705 private final class ServiceIntentResolver 10706 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10707 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10708 boolean defaultOnly, int userId) { 10709 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10710 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10711 } 10712 10713 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10714 int userId) { 10715 if (!sUserManager.exists(userId)) return null; 10716 mFlags = flags; 10717 return super.queryIntent(intent, resolvedType, 10718 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10719 } 10720 10721 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10722 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10723 if (!sUserManager.exists(userId)) return null; 10724 if (packageServices == null) { 10725 return null; 10726 } 10727 mFlags = flags; 10728 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10729 final int N = packageServices.size(); 10730 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10731 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10732 10733 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10734 for (int i = 0; i < N; ++i) { 10735 intentFilters = packageServices.get(i).intents; 10736 if (intentFilters != null && intentFilters.size() > 0) { 10737 PackageParser.ServiceIntentInfo[] array = 10738 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10739 intentFilters.toArray(array); 10740 listCut.add(array); 10741 } 10742 } 10743 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10744 } 10745 10746 public final void addService(PackageParser.Service s) { 10747 mServices.put(s.getComponentName(), s); 10748 if (DEBUG_SHOW_INFO) { 10749 Log.v(TAG, " " 10750 + (s.info.nonLocalizedLabel != null 10751 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10752 Log.v(TAG, " Class=" + s.info.name); 10753 } 10754 final int NI = s.intents.size(); 10755 int j; 10756 for (j=0; j<NI; j++) { 10757 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10758 if (DEBUG_SHOW_INFO) { 10759 Log.v(TAG, " IntentFilter:"); 10760 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10761 } 10762 if (!intent.debugCheck()) { 10763 Log.w(TAG, "==> For Service " + s.info.name); 10764 } 10765 addFilter(intent); 10766 } 10767 } 10768 10769 public final void removeService(PackageParser.Service s) { 10770 mServices.remove(s.getComponentName()); 10771 if (DEBUG_SHOW_INFO) { 10772 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10773 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10774 Log.v(TAG, " Class=" + s.info.name); 10775 } 10776 final int NI = s.intents.size(); 10777 int j; 10778 for (j=0; j<NI; j++) { 10779 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10780 if (DEBUG_SHOW_INFO) { 10781 Log.v(TAG, " IntentFilter:"); 10782 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10783 } 10784 removeFilter(intent); 10785 } 10786 } 10787 10788 @Override 10789 protected boolean allowFilterResult( 10790 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10791 ServiceInfo filterSi = filter.service.info; 10792 for (int i=dest.size()-1; i>=0; i--) { 10793 ServiceInfo destAi = dest.get(i).serviceInfo; 10794 if (destAi.name == filterSi.name 10795 && destAi.packageName == filterSi.packageName) { 10796 return false; 10797 } 10798 } 10799 return true; 10800 } 10801 10802 @Override 10803 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10804 return new PackageParser.ServiceIntentInfo[size]; 10805 } 10806 10807 @Override 10808 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10809 if (!sUserManager.exists(userId)) return true; 10810 PackageParser.Package p = filter.service.owner; 10811 if (p != null) { 10812 PackageSetting ps = (PackageSetting)p.mExtras; 10813 if (ps != null) { 10814 // System apps are never considered stopped for purposes of 10815 // filtering, because there may be no way for the user to 10816 // actually re-launch them. 10817 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10818 && ps.getStopped(userId); 10819 } 10820 } 10821 return false; 10822 } 10823 10824 @Override 10825 protected boolean isPackageForFilter(String packageName, 10826 PackageParser.ServiceIntentInfo info) { 10827 return packageName.equals(info.service.owner.packageName); 10828 } 10829 10830 @Override 10831 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10832 int match, int userId) { 10833 if (!sUserManager.exists(userId)) return null; 10834 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10835 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10836 return null; 10837 } 10838 final PackageParser.Service service = info.service; 10839 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10840 if (ps == null) { 10841 return null; 10842 } 10843 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10844 ps.readUserState(userId), userId); 10845 if (si == null) { 10846 return null; 10847 } 10848 final ResolveInfo res = new ResolveInfo(); 10849 res.serviceInfo = si; 10850 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10851 res.filter = filter; 10852 } 10853 res.priority = info.getPriority(); 10854 res.preferredOrder = service.owner.mPreferredOrder; 10855 res.match = match; 10856 res.isDefault = info.hasDefault; 10857 res.labelRes = info.labelRes; 10858 res.nonLocalizedLabel = info.nonLocalizedLabel; 10859 res.icon = info.icon; 10860 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10861 return res; 10862 } 10863 10864 @Override 10865 protected void sortResults(List<ResolveInfo> results) { 10866 Collections.sort(results, mResolvePrioritySorter); 10867 } 10868 10869 @Override 10870 protected void dumpFilter(PrintWriter out, String prefix, 10871 PackageParser.ServiceIntentInfo filter) { 10872 out.print(prefix); out.print( 10873 Integer.toHexString(System.identityHashCode(filter.service))); 10874 out.print(' '); 10875 filter.service.printComponentShortName(out); 10876 out.print(" filter "); 10877 out.println(Integer.toHexString(System.identityHashCode(filter))); 10878 } 10879 10880 @Override 10881 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10882 return filter.service; 10883 } 10884 10885 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10886 PackageParser.Service service = (PackageParser.Service)label; 10887 out.print(prefix); out.print( 10888 Integer.toHexString(System.identityHashCode(service))); 10889 out.print(' '); 10890 service.printComponentShortName(out); 10891 if (count > 1) { 10892 out.print(" ("); out.print(count); out.print(" filters)"); 10893 } 10894 out.println(); 10895 } 10896 10897// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10898// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10899// final List<ResolveInfo> retList = Lists.newArrayList(); 10900// while (i.hasNext()) { 10901// final ResolveInfo resolveInfo = (ResolveInfo) i; 10902// if (isEnabledLP(resolveInfo.serviceInfo)) { 10903// retList.add(resolveInfo); 10904// } 10905// } 10906// return retList; 10907// } 10908 10909 // Keys are String (activity class name), values are Activity. 10910 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10911 = new ArrayMap<ComponentName, PackageParser.Service>(); 10912 private int mFlags; 10913 }; 10914 10915 private final class ProviderIntentResolver 10916 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10917 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10918 boolean defaultOnly, int userId) { 10919 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10920 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10921 } 10922 10923 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10924 int userId) { 10925 if (!sUserManager.exists(userId)) 10926 return null; 10927 mFlags = flags; 10928 return super.queryIntent(intent, resolvedType, 10929 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10930 } 10931 10932 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10933 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10934 if (!sUserManager.exists(userId)) 10935 return null; 10936 if (packageProviders == null) { 10937 return null; 10938 } 10939 mFlags = flags; 10940 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10941 final int N = packageProviders.size(); 10942 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10943 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10944 10945 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10946 for (int i = 0; i < N; ++i) { 10947 intentFilters = packageProviders.get(i).intents; 10948 if (intentFilters != null && intentFilters.size() > 0) { 10949 PackageParser.ProviderIntentInfo[] array = 10950 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10951 intentFilters.toArray(array); 10952 listCut.add(array); 10953 } 10954 } 10955 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10956 } 10957 10958 public final void addProvider(PackageParser.Provider p) { 10959 if (mProviders.containsKey(p.getComponentName())) { 10960 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10961 return; 10962 } 10963 10964 mProviders.put(p.getComponentName(), p); 10965 if (DEBUG_SHOW_INFO) { 10966 Log.v(TAG, " " 10967 + (p.info.nonLocalizedLabel != null 10968 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10969 Log.v(TAG, " Class=" + p.info.name); 10970 } 10971 final int NI = p.intents.size(); 10972 int j; 10973 for (j = 0; j < NI; j++) { 10974 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10975 if (DEBUG_SHOW_INFO) { 10976 Log.v(TAG, " IntentFilter:"); 10977 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10978 } 10979 if (!intent.debugCheck()) { 10980 Log.w(TAG, "==> For Provider " + p.info.name); 10981 } 10982 addFilter(intent); 10983 } 10984 } 10985 10986 public final void removeProvider(PackageParser.Provider p) { 10987 mProviders.remove(p.getComponentName()); 10988 if (DEBUG_SHOW_INFO) { 10989 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10990 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10991 Log.v(TAG, " Class=" + p.info.name); 10992 } 10993 final int NI = p.intents.size(); 10994 int j; 10995 for (j = 0; j < NI; j++) { 10996 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10997 if (DEBUG_SHOW_INFO) { 10998 Log.v(TAG, " IntentFilter:"); 10999 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11000 } 11001 removeFilter(intent); 11002 } 11003 } 11004 11005 @Override 11006 protected boolean allowFilterResult( 11007 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11008 ProviderInfo filterPi = filter.provider.info; 11009 for (int i = dest.size() - 1; i >= 0; i--) { 11010 ProviderInfo destPi = dest.get(i).providerInfo; 11011 if (destPi.name == filterPi.name 11012 && destPi.packageName == filterPi.packageName) { 11013 return false; 11014 } 11015 } 11016 return true; 11017 } 11018 11019 @Override 11020 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11021 return new PackageParser.ProviderIntentInfo[size]; 11022 } 11023 11024 @Override 11025 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11026 if (!sUserManager.exists(userId)) 11027 return true; 11028 PackageParser.Package p = filter.provider.owner; 11029 if (p != null) { 11030 PackageSetting ps = (PackageSetting) p.mExtras; 11031 if (ps != null) { 11032 // System apps are never considered stopped for purposes of 11033 // filtering, because there may be no way for the user to 11034 // actually re-launch them. 11035 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11036 && ps.getStopped(userId); 11037 } 11038 } 11039 return false; 11040 } 11041 11042 @Override 11043 protected boolean isPackageForFilter(String packageName, 11044 PackageParser.ProviderIntentInfo info) { 11045 return packageName.equals(info.provider.owner.packageName); 11046 } 11047 11048 @Override 11049 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11050 int match, int userId) { 11051 if (!sUserManager.exists(userId)) 11052 return null; 11053 final PackageParser.ProviderIntentInfo info = filter; 11054 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11055 return null; 11056 } 11057 final PackageParser.Provider provider = info.provider; 11058 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11059 if (ps == null) { 11060 return null; 11061 } 11062 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11063 ps.readUserState(userId), userId); 11064 if (pi == null) { 11065 return null; 11066 } 11067 final ResolveInfo res = new ResolveInfo(); 11068 res.providerInfo = pi; 11069 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11070 res.filter = filter; 11071 } 11072 res.priority = info.getPriority(); 11073 res.preferredOrder = provider.owner.mPreferredOrder; 11074 res.match = match; 11075 res.isDefault = info.hasDefault; 11076 res.labelRes = info.labelRes; 11077 res.nonLocalizedLabel = info.nonLocalizedLabel; 11078 res.icon = info.icon; 11079 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11080 return res; 11081 } 11082 11083 @Override 11084 protected void sortResults(List<ResolveInfo> results) { 11085 Collections.sort(results, mResolvePrioritySorter); 11086 } 11087 11088 @Override 11089 protected void dumpFilter(PrintWriter out, String prefix, 11090 PackageParser.ProviderIntentInfo filter) { 11091 out.print(prefix); 11092 out.print( 11093 Integer.toHexString(System.identityHashCode(filter.provider))); 11094 out.print(' '); 11095 filter.provider.printComponentShortName(out); 11096 out.print(" filter "); 11097 out.println(Integer.toHexString(System.identityHashCode(filter))); 11098 } 11099 11100 @Override 11101 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11102 return filter.provider; 11103 } 11104 11105 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11106 PackageParser.Provider provider = (PackageParser.Provider)label; 11107 out.print(prefix); out.print( 11108 Integer.toHexString(System.identityHashCode(provider))); 11109 out.print(' '); 11110 provider.printComponentShortName(out); 11111 if (count > 1) { 11112 out.print(" ("); out.print(count); out.print(" filters)"); 11113 } 11114 out.println(); 11115 } 11116 11117 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11118 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11119 private int mFlags; 11120 } 11121 11122 private static final class EphemeralIntentResolver 11123 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11124 @Override 11125 protected EphemeralResolveIntentInfo[] newArray(int size) { 11126 return new EphemeralResolveIntentInfo[size]; 11127 } 11128 11129 @Override 11130 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11131 return true; 11132 } 11133 11134 @Override 11135 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11136 int userId) { 11137 if (!sUserManager.exists(userId)) { 11138 return null; 11139 } 11140 return info.getEphemeralResolveInfo(); 11141 } 11142 } 11143 11144 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11145 new Comparator<ResolveInfo>() { 11146 public int compare(ResolveInfo r1, ResolveInfo r2) { 11147 int v1 = r1.priority; 11148 int v2 = r2.priority; 11149 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11150 if (v1 != v2) { 11151 return (v1 > v2) ? -1 : 1; 11152 } 11153 v1 = r1.preferredOrder; 11154 v2 = r2.preferredOrder; 11155 if (v1 != v2) { 11156 return (v1 > v2) ? -1 : 1; 11157 } 11158 if (r1.isDefault != r2.isDefault) { 11159 return r1.isDefault ? -1 : 1; 11160 } 11161 v1 = r1.match; 11162 v2 = r2.match; 11163 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11164 if (v1 != v2) { 11165 return (v1 > v2) ? -1 : 1; 11166 } 11167 if (r1.system != r2.system) { 11168 return r1.system ? -1 : 1; 11169 } 11170 if (r1.activityInfo != null) { 11171 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11172 } 11173 if (r1.serviceInfo != null) { 11174 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11175 } 11176 if (r1.providerInfo != null) { 11177 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11178 } 11179 return 0; 11180 } 11181 }; 11182 11183 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11184 new Comparator<ProviderInfo>() { 11185 public int compare(ProviderInfo p1, ProviderInfo p2) { 11186 final int v1 = p1.initOrder; 11187 final int v2 = p2.initOrder; 11188 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11189 } 11190 }; 11191 11192 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11193 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11194 final int[] userIds) { 11195 mHandler.post(new Runnable() { 11196 @Override 11197 public void run() { 11198 try { 11199 final IActivityManager am = ActivityManagerNative.getDefault(); 11200 if (am == null) return; 11201 final int[] resolvedUserIds; 11202 if (userIds == null) { 11203 resolvedUserIds = am.getRunningUserIds(); 11204 } else { 11205 resolvedUserIds = userIds; 11206 } 11207 for (int id : resolvedUserIds) { 11208 final Intent intent = new Intent(action, 11209 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11210 if (extras != null) { 11211 intent.putExtras(extras); 11212 } 11213 if (targetPkg != null) { 11214 intent.setPackage(targetPkg); 11215 } 11216 // Modify the UID when posting to other users 11217 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11218 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11219 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11220 intent.putExtra(Intent.EXTRA_UID, uid); 11221 } 11222 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11223 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11224 if (DEBUG_BROADCASTS) { 11225 RuntimeException here = new RuntimeException("here"); 11226 here.fillInStackTrace(); 11227 Slog.d(TAG, "Sending to user " + id + ": " 11228 + intent.toShortString(false, true, false, false) 11229 + " " + intent.getExtras(), here); 11230 } 11231 am.broadcastIntent(null, intent, null, finishedReceiver, 11232 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11233 null, finishedReceiver != null, false, id); 11234 } 11235 } catch (RemoteException ex) { 11236 } 11237 } 11238 }); 11239 } 11240 11241 /** 11242 * Check if the external storage media is available. This is true if there 11243 * is a mounted external storage medium or if the external storage is 11244 * emulated. 11245 */ 11246 private boolean isExternalMediaAvailable() { 11247 return mMediaMounted || Environment.isExternalStorageEmulated(); 11248 } 11249 11250 @Override 11251 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11252 // writer 11253 synchronized (mPackages) { 11254 if (!isExternalMediaAvailable()) { 11255 // If the external storage is no longer mounted at this point, 11256 // the caller may not have been able to delete all of this 11257 // packages files and can not delete any more. Bail. 11258 return null; 11259 } 11260 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11261 if (lastPackage != null) { 11262 pkgs.remove(lastPackage); 11263 } 11264 if (pkgs.size() > 0) { 11265 return pkgs.get(0); 11266 } 11267 } 11268 return null; 11269 } 11270 11271 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11272 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11273 userId, andCode ? 1 : 0, packageName); 11274 if (mSystemReady) { 11275 msg.sendToTarget(); 11276 } else { 11277 if (mPostSystemReadyMessages == null) { 11278 mPostSystemReadyMessages = new ArrayList<>(); 11279 } 11280 mPostSystemReadyMessages.add(msg); 11281 } 11282 } 11283 11284 void startCleaningPackages() { 11285 // reader 11286 if (!isExternalMediaAvailable()) { 11287 return; 11288 } 11289 synchronized (mPackages) { 11290 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11291 return; 11292 } 11293 } 11294 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11295 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11296 IActivityManager am = ActivityManagerNative.getDefault(); 11297 if (am != null) { 11298 try { 11299 am.startService(null, intent, null, mContext.getOpPackageName(), 11300 UserHandle.USER_SYSTEM); 11301 } catch (RemoteException e) { 11302 } 11303 } 11304 } 11305 11306 @Override 11307 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11308 int installFlags, String installerPackageName, int userId) { 11309 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11310 11311 final int callingUid = Binder.getCallingUid(); 11312 enforceCrossUserPermission(callingUid, userId, 11313 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11314 11315 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11316 try { 11317 if (observer != null) { 11318 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11319 } 11320 } catch (RemoteException re) { 11321 } 11322 return; 11323 } 11324 11325 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11326 installFlags |= PackageManager.INSTALL_FROM_ADB; 11327 11328 } else { 11329 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11330 // about installerPackageName. 11331 11332 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11333 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11334 } 11335 11336 UserHandle user; 11337 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11338 user = UserHandle.ALL; 11339 } else { 11340 user = new UserHandle(userId); 11341 } 11342 11343 // Only system components can circumvent runtime permissions when installing. 11344 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11345 && mContext.checkCallingOrSelfPermission(Manifest.permission 11346 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11347 throw new SecurityException("You need the " 11348 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11349 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11350 } 11351 11352 final File originFile = new File(originPath); 11353 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11354 11355 final Message msg = mHandler.obtainMessage(INIT_COPY); 11356 final VerificationInfo verificationInfo = new VerificationInfo( 11357 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11358 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11359 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11360 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11361 null /*certificates*/); 11362 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11363 msg.obj = params; 11364 11365 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11366 System.identityHashCode(msg.obj)); 11367 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11368 System.identityHashCode(msg.obj)); 11369 11370 mHandler.sendMessage(msg); 11371 } 11372 11373 void installStage(String packageName, File stagedDir, String stagedCid, 11374 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11375 String installerPackageName, int installerUid, UserHandle user, 11376 Certificate[][] certificates) { 11377 if (DEBUG_EPHEMERAL) { 11378 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11379 Slog.d(TAG, "Ephemeral install of " + packageName); 11380 } 11381 } 11382 final VerificationInfo verificationInfo = new VerificationInfo( 11383 sessionParams.originatingUri, sessionParams.referrerUri, 11384 sessionParams.originatingUid, installerUid); 11385 11386 final OriginInfo origin; 11387 if (stagedDir != null) { 11388 origin = OriginInfo.fromStagedFile(stagedDir); 11389 } else { 11390 origin = OriginInfo.fromStagedContainer(stagedCid); 11391 } 11392 11393 final Message msg = mHandler.obtainMessage(INIT_COPY); 11394 final InstallParams params = new InstallParams(origin, null, observer, 11395 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11396 verificationInfo, user, sessionParams.abiOverride, 11397 sessionParams.grantedRuntimePermissions, certificates); 11398 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11399 msg.obj = params; 11400 11401 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11402 System.identityHashCode(msg.obj)); 11403 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11404 System.identityHashCode(msg.obj)); 11405 11406 mHandler.sendMessage(msg); 11407 } 11408 11409 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11410 int userId) { 11411 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11412 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11413 } 11414 11415 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11416 int appId, int userId) { 11417 Bundle extras = new Bundle(1); 11418 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11419 11420 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11421 packageName, extras, 0, null, null, new int[] {userId}); 11422 try { 11423 IActivityManager am = ActivityManagerNative.getDefault(); 11424 if (isSystem && am.isUserRunning(userId, 0)) { 11425 // The just-installed/enabled app is bundled on the system, so presumed 11426 // to be able to run automatically without needing an explicit launch. 11427 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11428 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11429 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11430 .setPackage(packageName); 11431 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11432 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11433 } 11434 } catch (RemoteException e) { 11435 // shouldn't happen 11436 Slog.w(TAG, "Unable to bootstrap installed package", e); 11437 } 11438 } 11439 11440 @Override 11441 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11442 int userId) { 11443 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11444 PackageSetting pkgSetting; 11445 final int uid = Binder.getCallingUid(); 11446 enforceCrossUserPermission(uid, userId, 11447 true /* requireFullPermission */, true /* checkShell */, 11448 "setApplicationHiddenSetting for user " + userId); 11449 11450 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11451 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11452 return false; 11453 } 11454 11455 long callingId = Binder.clearCallingIdentity(); 11456 try { 11457 boolean sendAdded = false; 11458 boolean sendRemoved = false; 11459 // writer 11460 synchronized (mPackages) { 11461 pkgSetting = mSettings.mPackages.get(packageName); 11462 if (pkgSetting == null) { 11463 return false; 11464 } 11465 if (pkgSetting.getHidden(userId) != hidden) { 11466 pkgSetting.setHidden(hidden, userId); 11467 mSettings.writePackageRestrictionsLPr(userId); 11468 if (hidden) { 11469 sendRemoved = true; 11470 } else { 11471 sendAdded = true; 11472 } 11473 } 11474 } 11475 if (sendAdded) { 11476 sendPackageAddedForUser(packageName, pkgSetting, userId); 11477 return true; 11478 } 11479 if (sendRemoved) { 11480 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11481 "hiding pkg"); 11482 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11483 return true; 11484 } 11485 } finally { 11486 Binder.restoreCallingIdentity(callingId); 11487 } 11488 return false; 11489 } 11490 11491 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11492 int userId) { 11493 final PackageRemovedInfo info = new PackageRemovedInfo(); 11494 info.removedPackage = packageName; 11495 info.removedUsers = new int[] {userId}; 11496 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11497 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11498 } 11499 11500 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11501 if (pkgList.length > 0) { 11502 Bundle extras = new Bundle(1); 11503 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11504 11505 sendPackageBroadcast( 11506 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11507 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11508 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11509 new int[] {userId}); 11510 } 11511 } 11512 11513 /** 11514 * Returns true if application is not found or there was an error. Otherwise it returns 11515 * the hidden state of the package for the given user. 11516 */ 11517 @Override 11518 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11519 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11520 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11521 true /* requireFullPermission */, false /* checkShell */, 11522 "getApplicationHidden for user " + userId); 11523 PackageSetting pkgSetting; 11524 long callingId = Binder.clearCallingIdentity(); 11525 try { 11526 // writer 11527 synchronized (mPackages) { 11528 pkgSetting = mSettings.mPackages.get(packageName); 11529 if (pkgSetting == null) { 11530 return true; 11531 } 11532 return pkgSetting.getHidden(userId); 11533 } 11534 } finally { 11535 Binder.restoreCallingIdentity(callingId); 11536 } 11537 } 11538 11539 /** 11540 * @hide 11541 */ 11542 @Override 11543 public int installExistingPackageAsUser(String packageName, int userId) { 11544 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11545 null); 11546 PackageSetting pkgSetting; 11547 final int uid = Binder.getCallingUid(); 11548 enforceCrossUserPermission(uid, userId, 11549 true /* requireFullPermission */, true /* checkShell */, 11550 "installExistingPackage for user " + userId); 11551 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11552 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11553 } 11554 11555 long callingId = Binder.clearCallingIdentity(); 11556 try { 11557 boolean installed = false; 11558 11559 // writer 11560 synchronized (mPackages) { 11561 pkgSetting = mSettings.mPackages.get(packageName); 11562 if (pkgSetting == null) { 11563 return PackageManager.INSTALL_FAILED_INVALID_URI; 11564 } 11565 if (!pkgSetting.getInstalled(userId)) { 11566 pkgSetting.setInstalled(true, userId); 11567 pkgSetting.setHidden(false, userId); 11568 mSettings.writePackageRestrictionsLPr(userId); 11569 installed = true; 11570 } 11571 } 11572 11573 if (installed) { 11574 if (pkgSetting.pkg != null) { 11575 synchronized (mInstallLock) { 11576 // We don't need to freeze for a brand new install 11577 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11578 } 11579 } 11580 sendPackageAddedForUser(packageName, pkgSetting, userId); 11581 } 11582 } finally { 11583 Binder.restoreCallingIdentity(callingId); 11584 } 11585 11586 return PackageManager.INSTALL_SUCCEEDED; 11587 } 11588 11589 boolean isUserRestricted(int userId, String restrictionKey) { 11590 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11591 if (restrictions.getBoolean(restrictionKey, false)) { 11592 Log.w(TAG, "User is restricted: " + restrictionKey); 11593 return true; 11594 } 11595 return false; 11596 } 11597 11598 @Override 11599 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11600 int userId) { 11601 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11602 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11603 true /* requireFullPermission */, true /* checkShell */, 11604 "setPackagesSuspended for user " + userId); 11605 11606 if (ArrayUtils.isEmpty(packageNames)) { 11607 return packageNames; 11608 } 11609 11610 // List of package names for whom the suspended state has changed. 11611 List<String> changedPackages = new ArrayList<>(packageNames.length); 11612 // List of package names for whom the suspended state is not set as requested in this 11613 // method. 11614 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11615 long callingId = Binder.clearCallingIdentity(); 11616 try { 11617 for (int i = 0; i < packageNames.length; i++) { 11618 String packageName = packageNames[i]; 11619 boolean changed = false; 11620 final int appId; 11621 synchronized (mPackages) { 11622 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11623 if (pkgSetting == null) { 11624 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11625 + "\". Skipping suspending/un-suspending."); 11626 unactionedPackages.add(packageName); 11627 continue; 11628 } 11629 appId = pkgSetting.appId; 11630 if (pkgSetting.getSuspended(userId) != suspended) { 11631 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11632 unactionedPackages.add(packageName); 11633 continue; 11634 } 11635 pkgSetting.setSuspended(suspended, userId); 11636 mSettings.writePackageRestrictionsLPr(userId); 11637 changed = true; 11638 changedPackages.add(packageName); 11639 } 11640 } 11641 11642 if (changed && suspended) { 11643 killApplication(packageName, UserHandle.getUid(userId, appId), 11644 "suspending package"); 11645 } 11646 } 11647 } finally { 11648 Binder.restoreCallingIdentity(callingId); 11649 } 11650 11651 if (!changedPackages.isEmpty()) { 11652 sendPackagesSuspendedForUser(changedPackages.toArray( 11653 new String[changedPackages.size()]), userId, suspended); 11654 } 11655 11656 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11657 } 11658 11659 @Override 11660 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11661 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11662 true /* requireFullPermission */, false /* checkShell */, 11663 "isPackageSuspendedForUser for user " + userId); 11664 synchronized (mPackages) { 11665 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11666 if (pkgSetting == null) { 11667 throw new IllegalArgumentException("Unknown target package: " + packageName); 11668 } 11669 return pkgSetting.getSuspended(userId); 11670 } 11671 } 11672 11673 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11674 if (isPackageDeviceAdmin(packageName, userId)) { 11675 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11676 + "\": has an active device admin"); 11677 return false; 11678 } 11679 11680 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11681 if (packageName.equals(activeLauncherPackageName)) { 11682 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11683 + "\": contains the active launcher"); 11684 return false; 11685 } 11686 11687 if (packageName.equals(mRequiredInstallerPackage)) { 11688 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11689 + "\": required for package installation"); 11690 return false; 11691 } 11692 11693 if (packageName.equals(mRequiredVerifierPackage)) { 11694 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11695 + "\": required for package verification"); 11696 return false; 11697 } 11698 11699 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11700 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11701 + "\": is the default dialer"); 11702 return false; 11703 } 11704 11705 return true; 11706 } 11707 11708 private String getActiveLauncherPackageName(int userId) { 11709 Intent intent = new Intent(Intent.ACTION_MAIN); 11710 intent.addCategory(Intent.CATEGORY_HOME); 11711 ResolveInfo resolveInfo = resolveIntent( 11712 intent, 11713 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11714 PackageManager.MATCH_DEFAULT_ONLY, 11715 userId); 11716 11717 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11718 } 11719 11720 private String getDefaultDialerPackageName(int userId) { 11721 synchronized (mPackages) { 11722 return mSettings.getDefaultDialerPackageNameLPw(userId); 11723 } 11724 } 11725 11726 @Override 11727 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11728 mContext.enforceCallingOrSelfPermission( 11729 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11730 "Only package verification agents can verify applications"); 11731 11732 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11733 final PackageVerificationResponse response = new PackageVerificationResponse( 11734 verificationCode, Binder.getCallingUid()); 11735 msg.arg1 = id; 11736 msg.obj = response; 11737 mHandler.sendMessage(msg); 11738 } 11739 11740 @Override 11741 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11742 long millisecondsToDelay) { 11743 mContext.enforceCallingOrSelfPermission( 11744 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11745 "Only package verification agents can extend verification timeouts"); 11746 11747 final PackageVerificationState state = mPendingVerification.get(id); 11748 final PackageVerificationResponse response = new PackageVerificationResponse( 11749 verificationCodeAtTimeout, Binder.getCallingUid()); 11750 11751 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11752 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11753 } 11754 if (millisecondsToDelay < 0) { 11755 millisecondsToDelay = 0; 11756 } 11757 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11758 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11759 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11760 } 11761 11762 if ((state != null) && !state.timeoutExtended()) { 11763 state.extendTimeout(); 11764 11765 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11766 msg.arg1 = id; 11767 msg.obj = response; 11768 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11769 } 11770 } 11771 11772 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11773 int verificationCode, UserHandle user) { 11774 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11775 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11776 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11777 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11778 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11779 11780 mContext.sendBroadcastAsUser(intent, user, 11781 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11782 } 11783 11784 private ComponentName matchComponentForVerifier(String packageName, 11785 List<ResolveInfo> receivers) { 11786 ActivityInfo targetReceiver = null; 11787 11788 final int NR = receivers.size(); 11789 for (int i = 0; i < NR; i++) { 11790 final ResolveInfo info = receivers.get(i); 11791 if (info.activityInfo == null) { 11792 continue; 11793 } 11794 11795 if (packageName.equals(info.activityInfo.packageName)) { 11796 targetReceiver = info.activityInfo; 11797 break; 11798 } 11799 } 11800 11801 if (targetReceiver == null) { 11802 return null; 11803 } 11804 11805 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11806 } 11807 11808 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11809 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11810 if (pkgInfo.verifiers.length == 0) { 11811 return null; 11812 } 11813 11814 final int N = pkgInfo.verifiers.length; 11815 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11816 for (int i = 0; i < N; i++) { 11817 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11818 11819 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11820 receivers); 11821 if (comp == null) { 11822 continue; 11823 } 11824 11825 final int verifierUid = getUidForVerifier(verifierInfo); 11826 if (verifierUid == -1) { 11827 continue; 11828 } 11829 11830 if (DEBUG_VERIFY) { 11831 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11832 + " with the correct signature"); 11833 } 11834 sufficientVerifiers.add(comp); 11835 verificationState.addSufficientVerifier(verifierUid); 11836 } 11837 11838 return sufficientVerifiers; 11839 } 11840 11841 private int getUidForVerifier(VerifierInfo verifierInfo) { 11842 synchronized (mPackages) { 11843 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11844 if (pkg == null) { 11845 return -1; 11846 } else if (pkg.mSignatures.length != 1) { 11847 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11848 + " has more than one signature; ignoring"); 11849 return -1; 11850 } 11851 11852 /* 11853 * If the public key of the package's signature does not match 11854 * our expected public key, then this is a different package and 11855 * we should skip. 11856 */ 11857 11858 final byte[] expectedPublicKey; 11859 try { 11860 final Signature verifierSig = pkg.mSignatures[0]; 11861 final PublicKey publicKey = verifierSig.getPublicKey(); 11862 expectedPublicKey = publicKey.getEncoded(); 11863 } catch (CertificateException e) { 11864 return -1; 11865 } 11866 11867 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11868 11869 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11870 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11871 + " does not have the expected public key; ignoring"); 11872 return -1; 11873 } 11874 11875 return pkg.applicationInfo.uid; 11876 } 11877 } 11878 11879 @Override 11880 public void finishPackageInstall(int token, boolean didLaunch) { 11881 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11882 11883 if (DEBUG_INSTALL) { 11884 Slog.v(TAG, "BM finishing package install for " + token); 11885 } 11886 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11887 11888 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11889 mHandler.sendMessage(msg); 11890 } 11891 11892 /** 11893 * Get the verification agent timeout. 11894 * 11895 * @return verification timeout in milliseconds 11896 */ 11897 private long getVerificationTimeout() { 11898 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11899 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11900 DEFAULT_VERIFICATION_TIMEOUT); 11901 } 11902 11903 /** 11904 * Get the default verification agent response code. 11905 * 11906 * @return default verification response code 11907 */ 11908 private int getDefaultVerificationResponse() { 11909 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11910 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11911 DEFAULT_VERIFICATION_RESPONSE); 11912 } 11913 11914 /** 11915 * Check whether or not package verification has been enabled. 11916 * 11917 * @return true if verification should be performed 11918 */ 11919 private boolean isVerificationEnabled(int userId, int installFlags) { 11920 if (!DEFAULT_VERIFY_ENABLE) { 11921 return false; 11922 } 11923 // Ephemeral apps don't get the full verification treatment 11924 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11925 if (DEBUG_EPHEMERAL) { 11926 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11927 } 11928 return false; 11929 } 11930 11931 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11932 11933 // Check if installing from ADB 11934 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11935 // Do not run verification in a test harness environment 11936 if (ActivityManager.isRunningInTestHarness()) { 11937 return false; 11938 } 11939 if (ensureVerifyAppsEnabled) { 11940 return true; 11941 } 11942 // Check if the developer does not want package verification for ADB installs 11943 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11944 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11945 return false; 11946 } 11947 } 11948 11949 if (ensureVerifyAppsEnabled) { 11950 return true; 11951 } 11952 11953 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11954 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11955 } 11956 11957 @Override 11958 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11959 throws RemoteException { 11960 mContext.enforceCallingOrSelfPermission( 11961 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11962 "Only intentfilter verification agents can verify applications"); 11963 11964 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11965 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11966 Binder.getCallingUid(), verificationCode, failedDomains); 11967 msg.arg1 = id; 11968 msg.obj = response; 11969 mHandler.sendMessage(msg); 11970 } 11971 11972 @Override 11973 public int getIntentVerificationStatus(String packageName, int userId) { 11974 synchronized (mPackages) { 11975 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11976 } 11977 } 11978 11979 @Override 11980 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11981 mContext.enforceCallingOrSelfPermission( 11982 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11983 11984 boolean result = false; 11985 synchronized (mPackages) { 11986 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11987 } 11988 if (result) { 11989 scheduleWritePackageRestrictionsLocked(userId); 11990 } 11991 return result; 11992 } 11993 11994 @Override 11995 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11996 String packageName) { 11997 synchronized (mPackages) { 11998 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11999 } 12000 } 12001 12002 @Override 12003 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12004 if (TextUtils.isEmpty(packageName)) { 12005 return ParceledListSlice.emptyList(); 12006 } 12007 synchronized (mPackages) { 12008 PackageParser.Package pkg = mPackages.get(packageName); 12009 if (pkg == null || pkg.activities == null) { 12010 return ParceledListSlice.emptyList(); 12011 } 12012 final int count = pkg.activities.size(); 12013 ArrayList<IntentFilter> result = new ArrayList<>(); 12014 for (int n=0; n<count; n++) { 12015 PackageParser.Activity activity = pkg.activities.get(n); 12016 if (activity.intents != null && activity.intents.size() > 0) { 12017 result.addAll(activity.intents); 12018 } 12019 } 12020 return new ParceledListSlice<>(result); 12021 } 12022 } 12023 12024 @Override 12025 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12026 mContext.enforceCallingOrSelfPermission( 12027 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12028 12029 synchronized (mPackages) { 12030 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12031 if (packageName != null) { 12032 result |= updateIntentVerificationStatus(packageName, 12033 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12034 userId); 12035 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12036 packageName, userId); 12037 } 12038 return result; 12039 } 12040 } 12041 12042 @Override 12043 public String getDefaultBrowserPackageName(int userId) { 12044 synchronized (mPackages) { 12045 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12046 } 12047 } 12048 12049 /** 12050 * Get the "allow unknown sources" setting. 12051 * 12052 * @return the current "allow unknown sources" setting 12053 */ 12054 private int getUnknownSourcesSettings() { 12055 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12056 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12057 -1); 12058 } 12059 12060 @Override 12061 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12062 final int uid = Binder.getCallingUid(); 12063 // writer 12064 synchronized (mPackages) { 12065 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12066 if (targetPackageSetting == null) { 12067 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12068 } 12069 12070 PackageSetting installerPackageSetting; 12071 if (installerPackageName != null) { 12072 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12073 if (installerPackageSetting == null) { 12074 throw new IllegalArgumentException("Unknown installer package: " 12075 + installerPackageName); 12076 } 12077 } else { 12078 installerPackageSetting = null; 12079 } 12080 12081 Signature[] callerSignature; 12082 Object obj = mSettings.getUserIdLPr(uid); 12083 if (obj != null) { 12084 if (obj instanceof SharedUserSetting) { 12085 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12086 } else if (obj instanceof PackageSetting) { 12087 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12088 } else { 12089 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12090 } 12091 } else { 12092 throw new SecurityException("Unknown calling UID: " + uid); 12093 } 12094 12095 // Verify: can't set installerPackageName to a package that is 12096 // not signed with the same cert as the caller. 12097 if (installerPackageSetting != null) { 12098 if (compareSignatures(callerSignature, 12099 installerPackageSetting.signatures.mSignatures) 12100 != PackageManager.SIGNATURE_MATCH) { 12101 throw new SecurityException( 12102 "Caller does not have same cert as new installer package " 12103 + installerPackageName); 12104 } 12105 } 12106 12107 // Verify: if target already has an installer package, it must 12108 // be signed with the same cert as the caller. 12109 if (targetPackageSetting.installerPackageName != null) { 12110 PackageSetting setting = mSettings.mPackages.get( 12111 targetPackageSetting.installerPackageName); 12112 // If the currently set package isn't valid, then it's always 12113 // okay to change it. 12114 if (setting != null) { 12115 if (compareSignatures(callerSignature, 12116 setting.signatures.mSignatures) 12117 != PackageManager.SIGNATURE_MATCH) { 12118 throw new SecurityException( 12119 "Caller does not have same cert as old installer package " 12120 + targetPackageSetting.installerPackageName); 12121 } 12122 } 12123 } 12124 12125 // Okay! 12126 targetPackageSetting.installerPackageName = installerPackageName; 12127 if (installerPackageName != null) { 12128 mSettings.mInstallerPackages.add(installerPackageName); 12129 } 12130 scheduleWriteSettingsLocked(); 12131 } 12132 } 12133 12134 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12135 // Queue up an async operation since the package installation may take a little while. 12136 mHandler.post(new Runnable() { 12137 public void run() { 12138 mHandler.removeCallbacks(this); 12139 // Result object to be returned 12140 PackageInstalledInfo res = new PackageInstalledInfo(); 12141 res.setReturnCode(currentStatus); 12142 res.uid = -1; 12143 res.pkg = null; 12144 res.removedInfo = null; 12145 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12146 args.doPreInstall(res.returnCode); 12147 synchronized (mInstallLock) { 12148 installPackageTracedLI(args, res); 12149 } 12150 args.doPostInstall(res.returnCode, res.uid); 12151 } 12152 12153 // A restore should be performed at this point if (a) the install 12154 // succeeded, (b) the operation is not an update, and (c) the new 12155 // package has not opted out of backup participation. 12156 final boolean update = res.removedInfo != null 12157 && res.removedInfo.removedPackage != null; 12158 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12159 boolean doRestore = !update 12160 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12161 12162 // Set up the post-install work request bookkeeping. This will be used 12163 // and cleaned up by the post-install event handling regardless of whether 12164 // there's a restore pass performed. Token values are >= 1. 12165 int token; 12166 if (mNextInstallToken < 0) mNextInstallToken = 1; 12167 token = mNextInstallToken++; 12168 12169 PostInstallData data = new PostInstallData(args, res); 12170 mRunningInstalls.put(token, data); 12171 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12172 12173 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12174 // Pass responsibility to the Backup Manager. It will perform a 12175 // restore if appropriate, then pass responsibility back to the 12176 // Package Manager to run the post-install observer callbacks 12177 // and broadcasts. 12178 IBackupManager bm = IBackupManager.Stub.asInterface( 12179 ServiceManager.getService(Context.BACKUP_SERVICE)); 12180 if (bm != null) { 12181 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12182 + " to BM for possible restore"); 12183 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12184 try { 12185 // TODO: http://b/22388012 12186 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12187 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12188 } else { 12189 doRestore = false; 12190 } 12191 } catch (RemoteException e) { 12192 // can't happen; the backup manager is local 12193 } catch (Exception e) { 12194 Slog.e(TAG, "Exception trying to enqueue restore", e); 12195 doRestore = false; 12196 } 12197 } else { 12198 Slog.e(TAG, "Backup Manager not found!"); 12199 doRestore = false; 12200 } 12201 } 12202 12203 if (!doRestore) { 12204 // No restore possible, or the Backup Manager was mysteriously not 12205 // available -- just fire the post-install work request directly. 12206 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12207 12208 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12209 12210 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12211 mHandler.sendMessage(msg); 12212 } 12213 } 12214 }); 12215 } 12216 12217 /** 12218 * Callback from PackageSettings whenever an app is first transitioned out of the 12219 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12220 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12221 * here whether the app is the target of an ongoing install, and only send the 12222 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12223 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12224 * handling. 12225 */ 12226 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12227 // Serialize this with the rest of the install-process message chain. In the 12228 // restore-at-install case, this Runnable will necessarily run before the 12229 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12230 // are coherent. In the non-restore case, the app has already completed install 12231 // and been launched through some other means, so it is not in a problematic 12232 // state for observers to see the FIRST_LAUNCH signal. 12233 mHandler.post(new Runnable() { 12234 @Override 12235 public void run() { 12236 for (int i = 0; i < mRunningInstalls.size(); i++) { 12237 final PostInstallData data = mRunningInstalls.valueAt(i); 12238 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12239 // right package; but is it for the right user? 12240 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12241 if (userId == data.res.newUsers[uIndex]) { 12242 if (DEBUG_BACKUP) { 12243 Slog.i(TAG, "Package " + pkgName 12244 + " being restored so deferring FIRST_LAUNCH"); 12245 } 12246 return; 12247 } 12248 } 12249 } 12250 } 12251 // didn't find it, so not being restored 12252 if (DEBUG_BACKUP) { 12253 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12254 } 12255 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12256 } 12257 }); 12258 } 12259 12260 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12261 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12262 installerPkg, null, userIds); 12263 } 12264 12265 private abstract class HandlerParams { 12266 private static final int MAX_RETRIES = 4; 12267 12268 /** 12269 * Number of times startCopy() has been attempted and had a non-fatal 12270 * error. 12271 */ 12272 private int mRetries = 0; 12273 12274 /** User handle for the user requesting the information or installation. */ 12275 private final UserHandle mUser; 12276 String traceMethod; 12277 int traceCookie; 12278 12279 HandlerParams(UserHandle user) { 12280 mUser = user; 12281 } 12282 12283 UserHandle getUser() { 12284 return mUser; 12285 } 12286 12287 HandlerParams setTraceMethod(String traceMethod) { 12288 this.traceMethod = traceMethod; 12289 return this; 12290 } 12291 12292 HandlerParams setTraceCookie(int traceCookie) { 12293 this.traceCookie = traceCookie; 12294 return this; 12295 } 12296 12297 final boolean startCopy() { 12298 boolean res; 12299 try { 12300 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12301 12302 if (++mRetries > MAX_RETRIES) { 12303 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12304 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12305 handleServiceError(); 12306 return false; 12307 } else { 12308 handleStartCopy(); 12309 res = true; 12310 } 12311 } catch (RemoteException e) { 12312 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12313 mHandler.sendEmptyMessage(MCS_RECONNECT); 12314 res = false; 12315 } 12316 handleReturnCode(); 12317 return res; 12318 } 12319 12320 final void serviceError() { 12321 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12322 handleServiceError(); 12323 handleReturnCode(); 12324 } 12325 12326 abstract void handleStartCopy() throws RemoteException; 12327 abstract void handleServiceError(); 12328 abstract void handleReturnCode(); 12329 } 12330 12331 class MeasureParams extends HandlerParams { 12332 private final PackageStats mStats; 12333 private boolean mSuccess; 12334 12335 private final IPackageStatsObserver mObserver; 12336 12337 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12338 super(new UserHandle(stats.userHandle)); 12339 mObserver = observer; 12340 mStats = stats; 12341 } 12342 12343 @Override 12344 public String toString() { 12345 return "MeasureParams{" 12346 + Integer.toHexString(System.identityHashCode(this)) 12347 + " " + mStats.packageName + "}"; 12348 } 12349 12350 @Override 12351 void handleStartCopy() throws RemoteException { 12352 synchronized (mInstallLock) { 12353 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12354 } 12355 12356 if (mSuccess) { 12357 final boolean mounted; 12358 if (Environment.isExternalStorageEmulated()) { 12359 mounted = true; 12360 } else { 12361 final String status = Environment.getExternalStorageState(); 12362 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12363 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12364 } 12365 12366 if (mounted) { 12367 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12368 12369 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12370 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12371 12372 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12373 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12374 12375 // Always subtract cache size, since it's a subdirectory 12376 mStats.externalDataSize -= mStats.externalCacheSize; 12377 12378 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12379 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12380 12381 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12382 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12383 } 12384 } 12385 } 12386 12387 @Override 12388 void handleReturnCode() { 12389 if (mObserver != null) { 12390 try { 12391 mObserver.onGetStatsCompleted(mStats, mSuccess); 12392 } catch (RemoteException e) { 12393 Slog.i(TAG, "Observer no longer exists."); 12394 } 12395 } 12396 } 12397 12398 @Override 12399 void handleServiceError() { 12400 Slog.e(TAG, "Could not measure application " + mStats.packageName 12401 + " external storage"); 12402 } 12403 } 12404 12405 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12406 throws RemoteException { 12407 long result = 0; 12408 for (File path : paths) { 12409 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12410 } 12411 return result; 12412 } 12413 12414 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12415 for (File path : paths) { 12416 try { 12417 mcs.clearDirectory(path.getAbsolutePath()); 12418 } catch (RemoteException e) { 12419 } 12420 } 12421 } 12422 12423 static class OriginInfo { 12424 /** 12425 * Location where install is coming from, before it has been 12426 * copied/renamed into place. This could be a single monolithic APK 12427 * file, or a cluster directory. This location may be untrusted. 12428 */ 12429 final File file; 12430 final String cid; 12431 12432 /** 12433 * Flag indicating that {@link #file} or {@link #cid} has already been 12434 * staged, meaning downstream users don't need to defensively copy the 12435 * contents. 12436 */ 12437 final boolean staged; 12438 12439 /** 12440 * Flag indicating that {@link #file} or {@link #cid} is an already 12441 * installed app that is being moved. 12442 */ 12443 final boolean existing; 12444 12445 final String resolvedPath; 12446 final File resolvedFile; 12447 12448 static OriginInfo fromNothing() { 12449 return new OriginInfo(null, null, false, false); 12450 } 12451 12452 static OriginInfo fromUntrustedFile(File file) { 12453 return new OriginInfo(file, null, false, false); 12454 } 12455 12456 static OriginInfo fromExistingFile(File file) { 12457 return new OriginInfo(file, null, false, true); 12458 } 12459 12460 static OriginInfo fromStagedFile(File file) { 12461 return new OriginInfo(file, null, true, false); 12462 } 12463 12464 static OriginInfo fromStagedContainer(String cid) { 12465 return new OriginInfo(null, cid, true, false); 12466 } 12467 12468 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12469 this.file = file; 12470 this.cid = cid; 12471 this.staged = staged; 12472 this.existing = existing; 12473 12474 if (cid != null) { 12475 resolvedPath = PackageHelper.getSdDir(cid); 12476 resolvedFile = new File(resolvedPath); 12477 } else if (file != null) { 12478 resolvedPath = file.getAbsolutePath(); 12479 resolvedFile = file; 12480 } else { 12481 resolvedPath = null; 12482 resolvedFile = null; 12483 } 12484 } 12485 } 12486 12487 static class MoveInfo { 12488 final int moveId; 12489 final String fromUuid; 12490 final String toUuid; 12491 final String packageName; 12492 final String dataAppName; 12493 final int appId; 12494 final String seinfo; 12495 final int targetSdkVersion; 12496 12497 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12498 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12499 this.moveId = moveId; 12500 this.fromUuid = fromUuid; 12501 this.toUuid = toUuid; 12502 this.packageName = packageName; 12503 this.dataAppName = dataAppName; 12504 this.appId = appId; 12505 this.seinfo = seinfo; 12506 this.targetSdkVersion = targetSdkVersion; 12507 } 12508 } 12509 12510 static class VerificationInfo { 12511 /** A constant used to indicate that a uid value is not present. */ 12512 public static final int NO_UID = -1; 12513 12514 /** URI referencing where the package was downloaded from. */ 12515 final Uri originatingUri; 12516 12517 /** HTTP referrer URI associated with the originatingURI. */ 12518 final Uri referrer; 12519 12520 /** UID of the application that the install request originated from. */ 12521 final int originatingUid; 12522 12523 /** UID of application requesting the install */ 12524 final int installerUid; 12525 12526 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12527 this.originatingUri = originatingUri; 12528 this.referrer = referrer; 12529 this.originatingUid = originatingUid; 12530 this.installerUid = installerUid; 12531 } 12532 } 12533 12534 class InstallParams extends HandlerParams { 12535 final OriginInfo origin; 12536 final MoveInfo move; 12537 final IPackageInstallObserver2 observer; 12538 int installFlags; 12539 final String installerPackageName; 12540 final String volumeUuid; 12541 private InstallArgs mArgs; 12542 private int mRet; 12543 final String packageAbiOverride; 12544 final String[] grantedRuntimePermissions; 12545 final VerificationInfo verificationInfo; 12546 final Certificate[][] certificates; 12547 12548 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12549 int installFlags, String installerPackageName, String volumeUuid, 12550 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12551 String[] grantedPermissions, Certificate[][] certificates) { 12552 super(user); 12553 this.origin = origin; 12554 this.move = move; 12555 this.observer = observer; 12556 this.installFlags = installFlags; 12557 this.installerPackageName = installerPackageName; 12558 this.volumeUuid = volumeUuid; 12559 this.verificationInfo = verificationInfo; 12560 this.packageAbiOverride = packageAbiOverride; 12561 this.grantedRuntimePermissions = grantedPermissions; 12562 this.certificates = certificates; 12563 } 12564 12565 @Override 12566 public String toString() { 12567 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12568 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12569 } 12570 12571 private int installLocationPolicy(PackageInfoLite pkgLite) { 12572 String packageName = pkgLite.packageName; 12573 int installLocation = pkgLite.installLocation; 12574 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12575 // reader 12576 synchronized (mPackages) { 12577 // Currently installed package which the new package is attempting to replace or 12578 // null if no such package is installed. 12579 PackageParser.Package installedPkg = mPackages.get(packageName); 12580 // Package which currently owns the data which the new package will own if installed. 12581 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12582 // will be null whereas dataOwnerPkg will contain information about the package 12583 // which was uninstalled while keeping its data. 12584 PackageParser.Package dataOwnerPkg = installedPkg; 12585 if (dataOwnerPkg == null) { 12586 PackageSetting ps = mSettings.mPackages.get(packageName); 12587 if (ps != null) { 12588 dataOwnerPkg = ps.pkg; 12589 } 12590 } 12591 12592 if (dataOwnerPkg != null) { 12593 // If installed, the package will get access to data left on the device by its 12594 // predecessor. As a security measure, this is permited only if this is not a 12595 // version downgrade or if the predecessor package is marked as debuggable and 12596 // a downgrade is explicitly requested. 12597 // 12598 // On debuggable platform builds, downgrades are permitted even for 12599 // non-debuggable packages to make testing easier. Debuggable platform builds do 12600 // not offer security guarantees and thus it's OK to disable some security 12601 // mechanisms to make debugging/testing easier on those builds. However, even on 12602 // debuggable builds downgrades of packages are permitted only if requested via 12603 // installFlags. This is because we aim to keep the behavior of debuggable 12604 // platform builds as close as possible to the behavior of non-debuggable 12605 // platform builds. 12606 final boolean downgradeRequested = 12607 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12608 final boolean packageDebuggable = 12609 (dataOwnerPkg.applicationInfo.flags 12610 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12611 final boolean downgradePermitted = 12612 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12613 if (!downgradePermitted) { 12614 try { 12615 checkDowngrade(dataOwnerPkg, pkgLite); 12616 } catch (PackageManagerException e) { 12617 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12618 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12619 } 12620 } 12621 } 12622 12623 if (installedPkg != null) { 12624 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12625 // Check for updated system application. 12626 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12627 if (onSd) { 12628 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12629 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12630 } 12631 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12632 } else { 12633 if (onSd) { 12634 // Install flag overrides everything. 12635 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12636 } 12637 // If current upgrade specifies particular preference 12638 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12639 // Application explicitly specified internal. 12640 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12641 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12642 // App explictly prefers external. Let policy decide 12643 } else { 12644 // Prefer previous location 12645 if (isExternal(installedPkg)) { 12646 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12647 } 12648 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12649 } 12650 } 12651 } else { 12652 // Invalid install. Return error code 12653 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12654 } 12655 } 12656 } 12657 // All the special cases have been taken care of. 12658 // Return result based on recommended install location. 12659 if (onSd) { 12660 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12661 } 12662 return pkgLite.recommendedInstallLocation; 12663 } 12664 12665 /* 12666 * Invoke remote method to get package information and install 12667 * location values. Override install location based on default 12668 * policy if needed and then create install arguments based 12669 * on the install location. 12670 */ 12671 public void handleStartCopy() throws RemoteException { 12672 int ret = PackageManager.INSTALL_SUCCEEDED; 12673 12674 // If we're already staged, we've firmly committed to an install location 12675 if (origin.staged) { 12676 if (origin.file != null) { 12677 installFlags |= PackageManager.INSTALL_INTERNAL; 12678 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12679 } else if (origin.cid != null) { 12680 installFlags |= PackageManager.INSTALL_EXTERNAL; 12681 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12682 } else { 12683 throw new IllegalStateException("Invalid stage location"); 12684 } 12685 } 12686 12687 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12688 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12689 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12690 PackageInfoLite pkgLite = null; 12691 12692 if (onInt && onSd) { 12693 // Check if both bits are set. 12694 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12695 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12696 } else if (onSd && ephemeral) { 12697 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12698 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12699 } else { 12700 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12701 packageAbiOverride); 12702 12703 if (DEBUG_EPHEMERAL && ephemeral) { 12704 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12705 } 12706 12707 /* 12708 * If we have too little free space, try to free cache 12709 * before giving up. 12710 */ 12711 if (!origin.staged && pkgLite.recommendedInstallLocation 12712 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12713 // TODO: focus freeing disk space on the target device 12714 final StorageManager storage = StorageManager.from(mContext); 12715 final long lowThreshold = storage.getStorageLowBytes( 12716 Environment.getDataDirectory()); 12717 12718 final long sizeBytes = mContainerService.calculateInstalledSize( 12719 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12720 12721 try { 12722 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12723 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12724 installFlags, packageAbiOverride); 12725 } catch (InstallerException e) { 12726 Slog.w(TAG, "Failed to free cache", e); 12727 } 12728 12729 /* 12730 * The cache free must have deleted the file we 12731 * downloaded to install. 12732 * 12733 * TODO: fix the "freeCache" call to not delete 12734 * the file we care about. 12735 */ 12736 if (pkgLite.recommendedInstallLocation 12737 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12738 pkgLite.recommendedInstallLocation 12739 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12740 } 12741 } 12742 } 12743 12744 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12745 int loc = pkgLite.recommendedInstallLocation; 12746 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12747 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12748 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12749 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12750 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12751 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12752 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12753 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12754 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12755 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12756 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12757 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12758 } else { 12759 // Override with defaults if needed. 12760 loc = installLocationPolicy(pkgLite); 12761 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12762 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12763 } else if (!onSd && !onInt) { 12764 // Override install location with flags 12765 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12766 // Set the flag to install on external media. 12767 installFlags |= PackageManager.INSTALL_EXTERNAL; 12768 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12769 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12770 if (DEBUG_EPHEMERAL) { 12771 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12772 } 12773 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12774 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12775 |PackageManager.INSTALL_INTERNAL); 12776 } else { 12777 // Make sure the flag for installing on external 12778 // media is unset 12779 installFlags |= PackageManager.INSTALL_INTERNAL; 12780 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12781 } 12782 } 12783 } 12784 } 12785 12786 final InstallArgs args = createInstallArgs(this); 12787 mArgs = args; 12788 12789 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12790 // TODO: http://b/22976637 12791 // Apps installed for "all" users use the device owner to verify the app 12792 UserHandle verifierUser = getUser(); 12793 if (verifierUser == UserHandle.ALL) { 12794 verifierUser = UserHandle.SYSTEM; 12795 } 12796 12797 /* 12798 * Determine if we have any installed package verifiers. If we 12799 * do, then we'll defer to them to verify the packages. 12800 */ 12801 final int requiredUid = mRequiredVerifierPackage == null ? -1 12802 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12803 verifierUser.getIdentifier()); 12804 if (!origin.existing && requiredUid != -1 12805 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12806 final Intent verification = new Intent( 12807 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12808 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12809 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12810 PACKAGE_MIME_TYPE); 12811 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12812 12813 // Query all live verifiers based on current user state 12814 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12815 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12816 12817 if (DEBUG_VERIFY) { 12818 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12819 + verification.toString() + " with " + pkgLite.verifiers.length 12820 + " optional verifiers"); 12821 } 12822 12823 final int verificationId = mPendingVerificationToken++; 12824 12825 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12826 12827 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12828 installerPackageName); 12829 12830 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12831 installFlags); 12832 12833 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12834 pkgLite.packageName); 12835 12836 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12837 pkgLite.versionCode); 12838 12839 if (verificationInfo != null) { 12840 if (verificationInfo.originatingUri != null) { 12841 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12842 verificationInfo.originatingUri); 12843 } 12844 if (verificationInfo.referrer != null) { 12845 verification.putExtra(Intent.EXTRA_REFERRER, 12846 verificationInfo.referrer); 12847 } 12848 if (verificationInfo.originatingUid >= 0) { 12849 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12850 verificationInfo.originatingUid); 12851 } 12852 if (verificationInfo.installerUid >= 0) { 12853 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12854 verificationInfo.installerUid); 12855 } 12856 } 12857 12858 final PackageVerificationState verificationState = new PackageVerificationState( 12859 requiredUid, args); 12860 12861 mPendingVerification.append(verificationId, verificationState); 12862 12863 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12864 receivers, verificationState); 12865 12866 /* 12867 * If any sufficient verifiers were listed in the package 12868 * manifest, attempt to ask them. 12869 */ 12870 if (sufficientVerifiers != null) { 12871 final int N = sufficientVerifiers.size(); 12872 if (N == 0) { 12873 Slog.i(TAG, "Additional verifiers required, but none installed."); 12874 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12875 } else { 12876 for (int i = 0; i < N; i++) { 12877 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12878 12879 final Intent sufficientIntent = new Intent(verification); 12880 sufficientIntent.setComponent(verifierComponent); 12881 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12882 } 12883 } 12884 } 12885 12886 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12887 mRequiredVerifierPackage, receivers); 12888 if (ret == PackageManager.INSTALL_SUCCEEDED 12889 && mRequiredVerifierPackage != null) { 12890 Trace.asyncTraceBegin( 12891 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12892 /* 12893 * Send the intent to the required verification agent, 12894 * but only start the verification timeout after the 12895 * target BroadcastReceivers have run. 12896 */ 12897 verification.setComponent(requiredVerifierComponent); 12898 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12899 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12900 new BroadcastReceiver() { 12901 @Override 12902 public void onReceive(Context context, Intent intent) { 12903 final Message msg = mHandler 12904 .obtainMessage(CHECK_PENDING_VERIFICATION); 12905 msg.arg1 = verificationId; 12906 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12907 } 12908 }, null, 0, null, null); 12909 12910 /* 12911 * We don't want the copy to proceed until verification 12912 * succeeds, so null out this field. 12913 */ 12914 mArgs = null; 12915 } 12916 } else { 12917 /* 12918 * No package verification is enabled, so immediately start 12919 * the remote call to initiate copy using temporary file. 12920 */ 12921 ret = args.copyApk(mContainerService, true); 12922 } 12923 } 12924 12925 mRet = ret; 12926 } 12927 12928 @Override 12929 void handleReturnCode() { 12930 // If mArgs is null, then MCS couldn't be reached. When it 12931 // reconnects, it will try again to install. At that point, this 12932 // will succeed. 12933 if (mArgs != null) { 12934 processPendingInstall(mArgs, mRet); 12935 } 12936 } 12937 12938 @Override 12939 void handleServiceError() { 12940 mArgs = createInstallArgs(this); 12941 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12942 } 12943 12944 public boolean isForwardLocked() { 12945 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12946 } 12947 } 12948 12949 /** 12950 * Used during creation of InstallArgs 12951 * 12952 * @param installFlags package installation flags 12953 * @return true if should be installed on external storage 12954 */ 12955 private static boolean installOnExternalAsec(int installFlags) { 12956 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12957 return false; 12958 } 12959 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12960 return true; 12961 } 12962 return false; 12963 } 12964 12965 /** 12966 * Used during creation of InstallArgs 12967 * 12968 * @param installFlags package installation flags 12969 * @return true if should be installed as forward locked 12970 */ 12971 private static boolean installForwardLocked(int installFlags) { 12972 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12973 } 12974 12975 private InstallArgs createInstallArgs(InstallParams params) { 12976 if (params.move != null) { 12977 return new MoveInstallArgs(params); 12978 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12979 return new AsecInstallArgs(params); 12980 } else { 12981 return new FileInstallArgs(params); 12982 } 12983 } 12984 12985 /** 12986 * Create args that describe an existing installed package. Typically used 12987 * when cleaning up old installs, or used as a move source. 12988 */ 12989 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12990 String resourcePath, String[] instructionSets) { 12991 final boolean isInAsec; 12992 if (installOnExternalAsec(installFlags)) { 12993 /* Apps on SD card are always in ASEC containers. */ 12994 isInAsec = true; 12995 } else if (installForwardLocked(installFlags) 12996 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12997 /* 12998 * Forward-locked apps are only in ASEC containers if they're the 12999 * new style 13000 */ 13001 isInAsec = true; 13002 } else { 13003 isInAsec = false; 13004 } 13005 13006 if (isInAsec) { 13007 return new AsecInstallArgs(codePath, instructionSets, 13008 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13009 } else { 13010 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13011 } 13012 } 13013 13014 static abstract class InstallArgs { 13015 /** @see InstallParams#origin */ 13016 final OriginInfo origin; 13017 /** @see InstallParams#move */ 13018 final MoveInfo move; 13019 13020 final IPackageInstallObserver2 observer; 13021 // Always refers to PackageManager flags only 13022 final int installFlags; 13023 final String installerPackageName; 13024 final String volumeUuid; 13025 final UserHandle user; 13026 final String abiOverride; 13027 final String[] installGrantPermissions; 13028 /** If non-null, drop an async trace when the install completes */ 13029 final String traceMethod; 13030 final int traceCookie; 13031 final Certificate[][] certificates; 13032 13033 // The list of instruction sets supported by this app. This is currently 13034 // only used during the rmdex() phase to clean up resources. We can get rid of this 13035 // if we move dex files under the common app path. 13036 /* nullable */ String[] instructionSets; 13037 13038 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13039 int installFlags, String installerPackageName, String volumeUuid, 13040 UserHandle user, String[] instructionSets, 13041 String abiOverride, String[] installGrantPermissions, 13042 String traceMethod, int traceCookie, Certificate[][] certificates) { 13043 this.origin = origin; 13044 this.move = move; 13045 this.installFlags = installFlags; 13046 this.observer = observer; 13047 this.installerPackageName = installerPackageName; 13048 this.volumeUuid = volumeUuid; 13049 this.user = user; 13050 this.instructionSets = instructionSets; 13051 this.abiOverride = abiOverride; 13052 this.installGrantPermissions = installGrantPermissions; 13053 this.traceMethod = traceMethod; 13054 this.traceCookie = traceCookie; 13055 this.certificates = certificates; 13056 } 13057 13058 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13059 abstract int doPreInstall(int status); 13060 13061 /** 13062 * Rename package into final resting place. All paths on the given 13063 * scanned package should be updated to reflect the rename. 13064 */ 13065 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13066 abstract int doPostInstall(int status, int uid); 13067 13068 /** @see PackageSettingBase#codePathString */ 13069 abstract String getCodePath(); 13070 /** @see PackageSettingBase#resourcePathString */ 13071 abstract String getResourcePath(); 13072 13073 // Need installer lock especially for dex file removal. 13074 abstract void cleanUpResourcesLI(); 13075 abstract boolean doPostDeleteLI(boolean delete); 13076 13077 /** 13078 * Called before the source arguments are copied. This is used mostly 13079 * for MoveParams when it needs to read the source file to put it in the 13080 * destination. 13081 */ 13082 int doPreCopy() { 13083 return PackageManager.INSTALL_SUCCEEDED; 13084 } 13085 13086 /** 13087 * Called after the source arguments are copied. This is used mostly for 13088 * MoveParams when it needs to read the source file to put it in the 13089 * destination. 13090 */ 13091 int doPostCopy(int uid) { 13092 return PackageManager.INSTALL_SUCCEEDED; 13093 } 13094 13095 protected boolean isFwdLocked() { 13096 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13097 } 13098 13099 protected boolean isExternalAsec() { 13100 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13101 } 13102 13103 protected boolean isEphemeral() { 13104 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13105 } 13106 13107 UserHandle getUser() { 13108 return user; 13109 } 13110 } 13111 13112 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13113 if (!allCodePaths.isEmpty()) { 13114 if (instructionSets == null) { 13115 throw new IllegalStateException("instructionSet == null"); 13116 } 13117 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13118 for (String codePath : allCodePaths) { 13119 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13120 try { 13121 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13122 } catch (InstallerException ignored) { 13123 } 13124 } 13125 } 13126 } 13127 } 13128 13129 /** 13130 * Logic to handle installation of non-ASEC applications, including copying 13131 * and renaming logic. 13132 */ 13133 class FileInstallArgs extends InstallArgs { 13134 private File codeFile; 13135 private File resourceFile; 13136 13137 // Example topology: 13138 // /data/app/com.example/base.apk 13139 // /data/app/com.example/split_foo.apk 13140 // /data/app/com.example/lib/arm/libfoo.so 13141 // /data/app/com.example/lib/arm64/libfoo.so 13142 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13143 13144 /** New install */ 13145 FileInstallArgs(InstallParams params) { 13146 super(params.origin, params.move, params.observer, params.installFlags, 13147 params.installerPackageName, params.volumeUuid, 13148 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13149 params.grantedRuntimePermissions, 13150 params.traceMethod, params.traceCookie, params.certificates); 13151 if (isFwdLocked()) { 13152 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13153 } 13154 } 13155 13156 /** Existing install */ 13157 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13158 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13159 null, null, null, 0, null /*certificates*/); 13160 this.codeFile = (codePath != null) ? new File(codePath) : null; 13161 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13162 } 13163 13164 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13165 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13166 try { 13167 return doCopyApk(imcs, temp); 13168 } finally { 13169 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13170 } 13171 } 13172 13173 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13174 if (origin.staged) { 13175 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13176 codeFile = origin.file; 13177 resourceFile = origin.file; 13178 return PackageManager.INSTALL_SUCCEEDED; 13179 } 13180 13181 try { 13182 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13183 final File tempDir = 13184 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13185 codeFile = tempDir; 13186 resourceFile = tempDir; 13187 } catch (IOException e) { 13188 Slog.w(TAG, "Failed to create copy file: " + e); 13189 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13190 } 13191 13192 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13193 @Override 13194 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13195 if (!FileUtils.isValidExtFilename(name)) { 13196 throw new IllegalArgumentException("Invalid filename: " + name); 13197 } 13198 try { 13199 final File file = new File(codeFile, name); 13200 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13201 O_RDWR | O_CREAT, 0644); 13202 Os.chmod(file.getAbsolutePath(), 0644); 13203 return new ParcelFileDescriptor(fd); 13204 } catch (ErrnoException e) { 13205 throw new RemoteException("Failed to open: " + e.getMessage()); 13206 } 13207 } 13208 }; 13209 13210 int ret = PackageManager.INSTALL_SUCCEEDED; 13211 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13212 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13213 Slog.e(TAG, "Failed to copy package"); 13214 return ret; 13215 } 13216 13217 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13218 NativeLibraryHelper.Handle handle = null; 13219 try { 13220 handle = NativeLibraryHelper.Handle.create(codeFile); 13221 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13222 abiOverride); 13223 } catch (IOException e) { 13224 Slog.e(TAG, "Copying native libraries failed", e); 13225 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13226 } finally { 13227 IoUtils.closeQuietly(handle); 13228 } 13229 13230 return ret; 13231 } 13232 13233 int doPreInstall(int status) { 13234 if (status != PackageManager.INSTALL_SUCCEEDED) { 13235 cleanUp(); 13236 } 13237 return status; 13238 } 13239 13240 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13241 if (status != PackageManager.INSTALL_SUCCEEDED) { 13242 cleanUp(); 13243 return false; 13244 } 13245 13246 final File targetDir = codeFile.getParentFile(); 13247 final File beforeCodeFile = codeFile; 13248 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13249 13250 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13251 try { 13252 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13253 } catch (ErrnoException e) { 13254 Slog.w(TAG, "Failed to rename", e); 13255 return false; 13256 } 13257 13258 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13259 Slog.w(TAG, "Failed to restorecon"); 13260 return false; 13261 } 13262 13263 // Reflect the rename internally 13264 codeFile = afterCodeFile; 13265 resourceFile = afterCodeFile; 13266 13267 // Reflect the rename in scanned details 13268 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13269 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13270 afterCodeFile, pkg.baseCodePath)); 13271 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13272 afterCodeFile, pkg.splitCodePaths)); 13273 13274 // Reflect the rename in app info 13275 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13276 pkg.setApplicationInfoCodePath(pkg.codePath); 13277 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13278 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13279 pkg.setApplicationInfoResourcePath(pkg.codePath); 13280 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13281 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13282 13283 return true; 13284 } 13285 13286 int doPostInstall(int status, int uid) { 13287 if (status != PackageManager.INSTALL_SUCCEEDED) { 13288 cleanUp(); 13289 } 13290 return status; 13291 } 13292 13293 @Override 13294 String getCodePath() { 13295 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13296 } 13297 13298 @Override 13299 String getResourcePath() { 13300 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13301 } 13302 13303 private boolean cleanUp() { 13304 if (codeFile == null || !codeFile.exists()) { 13305 return false; 13306 } 13307 13308 removeCodePathLI(codeFile); 13309 13310 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13311 resourceFile.delete(); 13312 } 13313 13314 return true; 13315 } 13316 13317 void cleanUpResourcesLI() { 13318 // Try enumerating all code paths before deleting 13319 List<String> allCodePaths = Collections.EMPTY_LIST; 13320 if (codeFile != null && codeFile.exists()) { 13321 try { 13322 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13323 allCodePaths = pkg.getAllCodePaths(); 13324 } catch (PackageParserException e) { 13325 // Ignored; we tried our best 13326 } 13327 } 13328 13329 cleanUp(); 13330 removeDexFiles(allCodePaths, instructionSets); 13331 } 13332 13333 boolean doPostDeleteLI(boolean delete) { 13334 // XXX err, shouldn't we respect the delete flag? 13335 cleanUpResourcesLI(); 13336 return true; 13337 } 13338 } 13339 13340 private boolean isAsecExternal(String cid) { 13341 final String asecPath = PackageHelper.getSdFilesystem(cid); 13342 return !asecPath.startsWith(mAsecInternalPath); 13343 } 13344 13345 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13346 PackageManagerException { 13347 if (copyRet < 0) { 13348 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13349 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13350 throw new PackageManagerException(copyRet, message); 13351 } 13352 } 13353 } 13354 13355 /** 13356 * Extract the MountService "container ID" from the full code path of an 13357 * .apk. 13358 */ 13359 static String cidFromCodePath(String fullCodePath) { 13360 int eidx = fullCodePath.lastIndexOf("/"); 13361 String subStr1 = fullCodePath.substring(0, eidx); 13362 int sidx = subStr1.lastIndexOf("/"); 13363 return subStr1.substring(sidx+1, eidx); 13364 } 13365 13366 /** 13367 * Logic to handle installation of ASEC applications, including copying and 13368 * renaming logic. 13369 */ 13370 class AsecInstallArgs extends InstallArgs { 13371 static final String RES_FILE_NAME = "pkg.apk"; 13372 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13373 13374 String cid; 13375 String packagePath; 13376 String resourcePath; 13377 13378 /** New install */ 13379 AsecInstallArgs(InstallParams params) { 13380 super(params.origin, params.move, params.observer, params.installFlags, 13381 params.installerPackageName, params.volumeUuid, 13382 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13383 params.grantedRuntimePermissions, 13384 params.traceMethod, params.traceCookie, params.certificates); 13385 } 13386 13387 /** Existing install */ 13388 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13389 boolean isExternal, boolean isForwardLocked) { 13390 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13391 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13392 instructionSets, null, null, null, 0, null /*certificates*/); 13393 // Hackily pretend we're still looking at a full code path 13394 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13395 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13396 } 13397 13398 // Extract cid from fullCodePath 13399 int eidx = fullCodePath.lastIndexOf("/"); 13400 String subStr1 = fullCodePath.substring(0, eidx); 13401 int sidx = subStr1.lastIndexOf("/"); 13402 cid = subStr1.substring(sidx+1, eidx); 13403 setMountPath(subStr1); 13404 } 13405 13406 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13407 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13408 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13409 instructionSets, null, null, null, 0, null /*certificates*/); 13410 this.cid = cid; 13411 setMountPath(PackageHelper.getSdDir(cid)); 13412 } 13413 13414 void createCopyFile() { 13415 cid = mInstallerService.allocateExternalStageCidLegacy(); 13416 } 13417 13418 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13419 if (origin.staged && origin.cid != null) { 13420 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13421 cid = origin.cid; 13422 setMountPath(PackageHelper.getSdDir(cid)); 13423 return PackageManager.INSTALL_SUCCEEDED; 13424 } 13425 13426 if (temp) { 13427 createCopyFile(); 13428 } else { 13429 /* 13430 * Pre-emptively destroy the container since it's destroyed if 13431 * copying fails due to it existing anyway. 13432 */ 13433 PackageHelper.destroySdDir(cid); 13434 } 13435 13436 final String newMountPath = imcs.copyPackageToContainer( 13437 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13438 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13439 13440 if (newMountPath != null) { 13441 setMountPath(newMountPath); 13442 return PackageManager.INSTALL_SUCCEEDED; 13443 } else { 13444 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13445 } 13446 } 13447 13448 @Override 13449 String getCodePath() { 13450 return packagePath; 13451 } 13452 13453 @Override 13454 String getResourcePath() { 13455 return resourcePath; 13456 } 13457 13458 int doPreInstall(int status) { 13459 if (status != PackageManager.INSTALL_SUCCEEDED) { 13460 // Destroy container 13461 PackageHelper.destroySdDir(cid); 13462 } else { 13463 boolean mounted = PackageHelper.isContainerMounted(cid); 13464 if (!mounted) { 13465 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13466 Process.SYSTEM_UID); 13467 if (newMountPath != null) { 13468 setMountPath(newMountPath); 13469 } else { 13470 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13471 } 13472 } 13473 } 13474 return status; 13475 } 13476 13477 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13478 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13479 String newMountPath = null; 13480 if (PackageHelper.isContainerMounted(cid)) { 13481 // Unmount the container 13482 if (!PackageHelper.unMountSdDir(cid)) { 13483 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13484 return false; 13485 } 13486 } 13487 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13488 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13489 " which might be stale. Will try to clean up."); 13490 // Clean up the stale container and proceed to recreate. 13491 if (!PackageHelper.destroySdDir(newCacheId)) { 13492 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13493 return false; 13494 } 13495 // Successfully cleaned up stale container. Try to rename again. 13496 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13497 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13498 + " inspite of cleaning it up."); 13499 return false; 13500 } 13501 } 13502 if (!PackageHelper.isContainerMounted(newCacheId)) { 13503 Slog.w(TAG, "Mounting container " + newCacheId); 13504 newMountPath = PackageHelper.mountSdDir(newCacheId, 13505 getEncryptKey(), Process.SYSTEM_UID); 13506 } else { 13507 newMountPath = PackageHelper.getSdDir(newCacheId); 13508 } 13509 if (newMountPath == null) { 13510 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13511 return false; 13512 } 13513 Log.i(TAG, "Succesfully renamed " + cid + 13514 " to " + newCacheId + 13515 " at new path: " + newMountPath); 13516 cid = newCacheId; 13517 13518 final File beforeCodeFile = new File(packagePath); 13519 setMountPath(newMountPath); 13520 final File afterCodeFile = new File(packagePath); 13521 13522 // Reflect the rename in scanned details 13523 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13524 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13525 afterCodeFile, pkg.baseCodePath)); 13526 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13527 afterCodeFile, pkg.splitCodePaths)); 13528 13529 // Reflect the rename in app info 13530 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13531 pkg.setApplicationInfoCodePath(pkg.codePath); 13532 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13533 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13534 pkg.setApplicationInfoResourcePath(pkg.codePath); 13535 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13536 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13537 13538 return true; 13539 } 13540 13541 private void setMountPath(String mountPath) { 13542 final File mountFile = new File(mountPath); 13543 13544 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13545 if (monolithicFile.exists()) { 13546 packagePath = monolithicFile.getAbsolutePath(); 13547 if (isFwdLocked()) { 13548 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13549 } else { 13550 resourcePath = packagePath; 13551 } 13552 } else { 13553 packagePath = mountFile.getAbsolutePath(); 13554 resourcePath = packagePath; 13555 } 13556 } 13557 13558 int doPostInstall(int status, int uid) { 13559 if (status != PackageManager.INSTALL_SUCCEEDED) { 13560 cleanUp(); 13561 } else { 13562 final int groupOwner; 13563 final String protectedFile; 13564 if (isFwdLocked()) { 13565 groupOwner = UserHandle.getSharedAppGid(uid); 13566 protectedFile = RES_FILE_NAME; 13567 } else { 13568 groupOwner = -1; 13569 protectedFile = null; 13570 } 13571 13572 if (uid < Process.FIRST_APPLICATION_UID 13573 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13574 Slog.e(TAG, "Failed to finalize " + cid); 13575 PackageHelper.destroySdDir(cid); 13576 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13577 } 13578 13579 boolean mounted = PackageHelper.isContainerMounted(cid); 13580 if (!mounted) { 13581 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13582 } 13583 } 13584 return status; 13585 } 13586 13587 private void cleanUp() { 13588 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13589 13590 // Destroy secure container 13591 PackageHelper.destroySdDir(cid); 13592 } 13593 13594 private List<String> getAllCodePaths() { 13595 final File codeFile = new File(getCodePath()); 13596 if (codeFile != null && codeFile.exists()) { 13597 try { 13598 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13599 return pkg.getAllCodePaths(); 13600 } catch (PackageParserException e) { 13601 // Ignored; we tried our best 13602 } 13603 } 13604 return Collections.EMPTY_LIST; 13605 } 13606 13607 void cleanUpResourcesLI() { 13608 // Enumerate all code paths before deleting 13609 cleanUpResourcesLI(getAllCodePaths()); 13610 } 13611 13612 private void cleanUpResourcesLI(List<String> allCodePaths) { 13613 cleanUp(); 13614 removeDexFiles(allCodePaths, instructionSets); 13615 } 13616 13617 String getPackageName() { 13618 return getAsecPackageName(cid); 13619 } 13620 13621 boolean doPostDeleteLI(boolean delete) { 13622 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13623 final List<String> allCodePaths = getAllCodePaths(); 13624 boolean mounted = PackageHelper.isContainerMounted(cid); 13625 if (mounted) { 13626 // Unmount first 13627 if (PackageHelper.unMountSdDir(cid)) { 13628 mounted = false; 13629 } 13630 } 13631 if (!mounted && delete) { 13632 cleanUpResourcesLI(allCodePaths); 13633 } 13634 return !mounted; 13635 } 13636 13637 @Override 13638 int doPreCopy() { 13639 if (isFwdLocked()) { 13640 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13641 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13642 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13643 } 13644 } 13645 13646 return PackageManager.INSTALL_SUCCEEDED; 13647 } 13648 13649 @Override 13650 int doPostCopy(int uid) { 13651 if (isFwdLocked()) { 13652 if (uid < Process.FIRST_APPLICATION_UID 13653 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13654 RES_FILE_NAME)) { 13655 Slog.e(TAG, "Failed to finalize " + cid); 13656 PackageHelper.destroySdDir(cid); 13657 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13658 } 13659 } 13660 13661 return PackageManager.INSTALL_SUCCEEDED; 13662 } 13663 } 13664 13665 /** 13666 * Logic to handle movement of existing installed applications. 13667 */ 13668 class MoveInstallArgs extends InstallArgs { 13669 private File codeFile; 13670 private File resourceFile; 13671 13672 /** New install */ 13673 MoveInstallArgs(InstallParams params) { 13674 super(params.origin, params.move, params.observer, params.installFlags, 13675 params.installerPackageName, params.volumeUuid, 13676 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13677 params.grantedRuntimePermissions, 13678 params.traceMethod, params.traceCookie, params.certificates); 13679 } 13680 13681 int copyApk(IMediaContainerService imcs, boolean temp) { 13682 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13683 + move.fromUuid + " to " + move.toUuid); 13684 synchronized (mInstaller) { 13685 try { 13686 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13687 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13688 } catch (InstallerException e) { 13689 Slog.w(TAG, "Failed to move app", e); 13690 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13691 } 13692 } 13693 13694 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13695 resourceFile = codeFile; 13696 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13697 13698 return PackageManager.INSTALL_SUCCEEDED; 13699 } 13700 13701 int doPreInstall(int status) { 13702 if (status != PackageManager.INSTALL_SUCCEEDED) { 13703 cleanUp(move.toUuid); 13704 } 13705 return status; 13706 } 13707 13708 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13709 if (status != PackageManager.INSTALL_SUCCEEDED) { 13710 cleanUp(move.toUuid); 13711 return false; 13712 } 13713 13714 // Reflect the move in app info 13715 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13716 pkg.setApplicationInfoCodePath(pkg.codePath); 13717 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13718 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13719 pkg.setApplicationInfoResourcePath(pkg.codePath); 13720 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13721 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13722 13723 return true; 13724 } 13725 13726 int doPostInstall(int status, int uid) { 13727 if (status == PackageManager.INSTALL_SUCCEEDED) { 13728 cleanUp(move.fromUuid); 13729 } else { 13730 cleanUp(move.toUuid); 13731 } 13732 return status; 13733 } 13734 13735 @Override 13736 String getCodePath() { 13737 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13738 } 13739 13740 @Override 13741 String getResourcePath() { 13742 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13743 } 13744 13745 private boolean cleanUp(String volumeUuid) { 13746 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13747 move.dataAppName); 13748 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13749 final int[] userIds = sUserManager.getUserIds(); 13750 synchronized (mInstallLock) { 13751 // Clean up both app data and code 13752 // All package moves are frozen until finished 13753 for (int userId : userIds) { 13754 try { 13755 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13756 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13757 } catch (InstallerException e) { 13758 Slog.w(TAG, String.valueOf(e)); 13759 } 13760 } 13761 removeCodePathLI(codeFile); 13762 } 13763 return true; 13764 } 13765 13766 void cleanUpResourcesLI() { 13767 throw new UnsupportedOperationException(); 13768 } 13769 13770 boolean doPostDeleteLI(boolean delete) { 13771 throw new UnsupportedOperationException(); 13772 } 13773 } 13774 13775 static String getAsecPackageName(String packageCid) { 13776 int idx = packageCid.lastIndexOf("-"); 13777 if (idx == -1) { 13778 return packageCid; 13779 } 13780 return packageCid.substring(0, idx); 13781 } 13782 13783 // Utility method used to create code paths based on package name and available index. 13784 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13785 String idxStr = ""; 13786 int idx = 1; 13787 // Fall back to default value of idx=1 if prefix is not 13788 // part of oldCodePath 13789 if (oldCodePath != null) { 13790 String subStr = oldCodePath; 13791 // Drop the suffix right away 13792 if (suffix != null && subStr.endsWith(suffix)) { 13793 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13794 } 13795 // If oldCodePath already contains prefix find out the 13796 // ending index to either increment or decrement. 13797 int sidx = subStr.lastIndexOf(prefix); 13798 if (sidx != -1) { 13799 subStr = subStr.substring(sidx + prefix.length()); 13800 if (subStr != null) { 13801 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13802 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13803 } 13804 try { 13805 idx = Integer.parseInt(subStr); 13806 if (idx <= 1) { 13807 idx++; 13808 } else { 13809 idx--; 13810 } 13811 } catch(NumberFormatException e) { 13812 } 13813 } 13814 } 13815 } 13816 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13817 return prefix + idxStr; 13818 } 13819 13820 private File getNextCodePath(File targetDir, String packageName) { 13821 int suffix = 1; 13822 File result; 13823 do { 13824 result = new File(targetDir, packageName + "-" + suffix); 13825 suffix++; 13826 } while (result.exists()); 13827 return result; 13828 } 13829 13830 // Utility method that returns the relative package path with respect 13831 // to the installation directory. Like say for /data/data/com.test-1.apk 13832 // string com.test-1 is returned. 13833 static String deriveCodePathName(String codePath) { 13834 if (codePath == null) { 13835 return null; 13836 } 13837 final File codeFile = new File(codePath); 13838 final String name = codeFile.getName(); 13839 if (codeFile.isDirectory()) { 13840 return name; 13841 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13842 final int lastDot = name.lastIndexOf('.'); 13843 return name.substring(0, lastDot); 13844 } else { 13845 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13846 return null; 13847 } 13848 } 13849 13850 static class PackageInstalledInfo { 13851 String name; 13852 int uid; 13853 // The set of users that originally had this package installed. 13854 int[] origUsers; 13855 // The set of users that now have this package installed. 13856 int[] newUsers; 13857 PackageParser.Package pkg; 13858 int returnCode; 13859 String returnMsg; 13860 PackageRemovedInfo removedInfo; 13861 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13862 13863 public void setError(int code, String msg) { 13864 setReturnCode(code); 13865 setReturnMessage(msg); 13866 Slog.w(TAG, msg); 13867 } 13868 13869 public void setError(String msg, PackageParserException e) { 13870 setReturnCode(e.error); 13871 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13872 Slog.w(TAG, msg, e); 13873 } 13874 13875 public void setError(String msg, PackageManagerException e) { 13876 returnCode = e.error; 13877 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13878 Slog.w(TAG, msg, e); 13879 } 13880 13881 public void setReturnCode(int returnCode) { 13882 this.returnCode = returnCode; 13883 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13884 for (int i = 0; i < childCount; i++) { 13885 addedChildPackages.valueAt(i).returnCode = returnCode; 13886 } 13887 } 13888 13889 private void setReturnMessage(String returnMsg) { 13890 this.returnMsg = returnMsg; 13891 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13892 for (int i = 0; i < childCount; i++) { 13893 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13894 } 13895 } 13896 13897 // In some error cases we want to convey more info back to the observer 13898 String origPackage; 13899 String origPermission; 13900 } 13901 13902 /* 13903 * Install a non-existing package. 13904 */ 13905 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13906 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13907 PackageInstalledInfo res) { 13908 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13909 13910 // Remember this for later, in case we need to rollback this install 13911 String pkgName = pkg.packageName; 13912 13913 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13914 13915 synchronized(mPackages) { 13916 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13917 // A package with the same name is already installed, though 13918 // it has been renamed to an older name. The package we 13919 // are trying to install should be installed as an update to 13920 // the existing one, but that has not been requested, so bail. 13921 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13922 + " without first uninstalling package running as " 13923 + mSettings.mRenamedPackages.get(pkgName)); 13924 return; 13925 } 13926 if (mPackages.containsKey(pkgName)) { 13927 // Don't allow installation over an existing package with the same name. 13928 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13929 + " without first uninstalling."); 13930 return; 13931 } 13932 } 13933 13934 try { 13935 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13936 System.currentTimeMillis(), user); 13937 13938 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13939 13940 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13941 prepareAppDataAfterInstallLIF(newPackage); 13942 13943 } else { 13944 // Remove package from internal structures, but keep around any 13945 // data that might have already existed 13946 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13947 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13948 } 13949 } catch (PackageManagerException e) { 13950 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13951 } 13952 13953 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13954 } 13955 13956 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13957 // Can't rotate keys during boot or if sharedUser. 13958 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13959 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13960 return false; 13961 } 13962 // app is using upgradeKeySets; make sure all are valid 13963 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13964 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13965 for (int i = 0; i < upgradeKeySets.length; i++) { 13966 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13967 Slog.wtf(TAG, "Package " 13968 + (oldPs.name != null ? oldPs.name : "<null>") 13969 + " contains upgrade-key-set reference to unknown key-set: " 13970 + upgradeKeySets[i] 13971 + " reverting to signatures check."); 13972 return false; 13973 } 13974 } 13975 return true; 13976 } 13977 13978 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13979 // Upgrade keysets are being used. Determine if new package has a superset of the 13980 // required keys. 13981 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13982 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13983 for (int i = 0; i < upgradeKeySets.length; i++) { 13984 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13985 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13986 return true; 13987 } 13988 } 13989 return false; 13990 } 13991 13992 private static void updateDigest(MessageDigest digest, File file) throws IOException { 13993 try (DigestInputStream digestStream = 13994 new DigestInputStream(new FileInputStream(file), digest)) { 13995 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 13996 } 13997 } 13998 13999 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14000 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14001 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14002 14003 final PackageParser.Package oldPackage; 14004 final String pkgName = pkg.packageName; 14005 final int[] allUsers; 14006 final int[] installedUsers; 14007 14008 synchronized(mPackages) { 14009 oldPackage = mPackages.get(pkgName); 14010 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14011 14012 // don't allow upgrade to target a release SDK from a pre-release SDK 14013 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14014 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14015 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14016 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14017 if (oldTargetsPreRelease 14018 && !newTargetsPreRelease 14019 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14020 Slog.w(TAG, "Can't install package targeting released sdk"); 14021 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14022 return; 14023 } 14024 14025 // don't allow an upgrade from full to ephemeral 14026 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14027 if (isEphemeral && !oldIsEphemeral) { 14028 // can't downgrade from full to ephemeral 14029 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14030 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14031 return; 14032 } 14033 14034 // verify signatures are valid 14035 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14036 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14037 if (!checkUpgradeKeySetLP(ps, pkg)) { 14038 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14039 "New package not signed by keys specified by upgrade-keysets: " 14040 + pkgName); 14041 return; 14042 } 14043 } else { 14044 // default to original signature matching 14045 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14046 != PackageManager.SIGNATURE_MATCH) { 14047 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14048 "New package has a different signature: " + pkgName); 14049 return; 14050 } 14051 } 14052 14053 // don't allow a system upgrade unless the upgrade hash matches 14054 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14055 byte[] digestBytes = null; 14056 try { 14057 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14058 updateDigest(digest, new File(pkg.baseCodePath)); 14059 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14060 for (String path : pkg.splitCodePaths) { 14061 updateDigest(digest, new File(path)); 14062 } 14063 } 14064 digestBytes = digest.digest(); 14065 } catch (NoSuchAlgorithmException | IOException e) { 14066 res.setError(INSTALL_FAILED_INVALID_APK, 14067 "Could not compute hash: " + pkgName); 14068 return; 14069 } 14070 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14071 res.setError(INSTALL_FAILED_INVALID_APK, 14072 "New package fails restrict-update check: " + pkgName); 14073 return; 14074 } 14075 // retain upgrade restriction 14076 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14077 } 14078 14079 // Check for shared user id changes 14080 String invalidPackageName = 14081 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14082 if (invalidPackageName != null) { 14083 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14084 "Package " + invalidPackageName + " tried to change user " 14085 + oldPackage.mSharedUserId); 14086 return; 14087 } 14088 14089 // In case of rollback, remember per-user/profile install state 14090 allUsers = sUserManager.getUserIds(); 14091 installedUsers = ps.queryInstalledUsers(allUsers, true); 14092 } 14093 14094 // Update what is removed 14095 res.removedInfo = new PackageRemovedInfo(); 14096 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14097 res.removedInfo.removedPackage = oldPackage.packageName; 14098 res.removedInfo.isUpdate = true; 14099 res.removedInfo.origUsers = installedUsers; 14100 final int childCount = (oldPackage.childPackages != null) 14101 ? oldPackage.childPackages.size() : 0; 14102 for (int i = 0; i < childCount; i++) { 14103 boolean childPackageUpdated = false; 14104 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14105 if (res.addedChildPackages != null) { 14106 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14107 if (childRes != null) { 14108 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14109 childRes.removedInfo.removedPackage = childPkg.packageName; 14110 childRes.removedInfo.isUpdate = true; 14111 childPackageUpdated = true; 14112 } 14113 } 14114 if (!childPackageUpdated) { 14115 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14116 childRemovedRes.removedPackage = childPkg.packageName; 14117 childRemovedRes.isUpdate = false; 14118 childRemovedRes.dataRemoved = true; 14119 synchronized (mPackages) { 14120 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14121 if (childPs != null) { 14122 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14123 } 14124 } 14125 if (res.removedInfo.removedChildPackages == null) { 14126 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14127 } 14128 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14129 } 14130 } 14131 14132 boolean sysPkg = (isSystemApp(oldPackage)); 14133 if (sysPkg) { 14134 // Set the system/privileged flags as needed 14135 final boolean privileged = 14136 (oldPackage.applicationInfo.privateFlags 14137 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14138 final int systemPolicyFlags = policyFlags 14139 | PackageParser.PARSE_IS_SYSTEM 14140 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14141 14142 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14143 user, allUsers, installerPackageName, res); 14144 } else { 14145 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14146 user, allUsers, installerPackageName, res); 14147 } 14148 } 14149 14150 public List<String> getPreviousCodePaths(String packageName) { 14151 final PackageSetting ps = mSettings.mPackages.get(packageName); 14152 final List<String> result = new ArrayList<String>(); 14153 if (ps != null && ps.oldCodePaths != null) { 14154 result.addAll(ps.oldCodePaths); 14155 } 14156 return result; 14157 } 14158 14159 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14160 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14161 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14162 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14163 + deletedPackage); 14164 14165 String pkgName = deletedPackage.packageName; 14166 boolean deletedPkg = true; 14167 boolean addedPkg = false; 14168 boolean updatedSettings = false; 14169 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14170 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14171 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14172 14173 final long origUpdateTime = (pkg.mExtras != null) 14174 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14175 14176 // First delete the existing package while retaining the data directory 14177 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14178 res.removedInfo, true, pkg)) { 14179 // If the existing package wasn't successfully deleted 14180 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14181 deletedPkg = false; 14182 } else { 14183 // Successfully deleted the old package; proceed with replace. 14184 14185 // If deleted package lived in a container, give users a chance to 14186 // relinquish resources before killing. 14187 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14188 if (DEBUG_INSTALL) { 14189 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14190 } 14191 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14192 final ArrayList<String> pkgList = new ArrayList<String>(1); 14193 pkgList.add(deletedPackage.applicationInfo.packageName); 14194 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14195 } 14196 14197 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14198 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14199 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14200 14201 try { 14202 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14203 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14204 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14205 14206 // Update the in-memory copy of the previous code paths. 14207 PackageSetting ps = mSettings.mPackages.get(pkgName); 14208 if (!killApp) { 14209 if (ps.oldCodePaths == null) { 14210 ps.oldCodePaths = new ArraySet<>(); 14211 } 14212 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14213 if (deletedPackage.splitCodePaths != null) { 14214 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14215 } 14216 } else { 14217 ps.oldCodePaths = null; 14218 } 14219 if (ps.childPackageNames != null) { 14220 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14221 final String childPkgName = ps.childPackageNames.get(i); 14222 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14223 childPs.oldCodePaths = ps.oldCodePaths; 14224 } 14225 } 14226 prepareAppDataAfterInstallLIF(newPackage); 14227 addedPkg = true; 14228 } catch (PackageManagerException e) { 14229 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14230 } 14231 } 14232 14233 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14234 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14235 14236 // Revert all internal state mutations and added folders for the failed install 14237 if (addedPkg) { 14238 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14239 res.removedInfo, true, null); 14240 } 14241 14242 // Restore the old package 14243 if (deletedPkg) { 14244 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14245 File restoreFile = new File(deletedPackage.codePath); 14246 // Parse old package 14247 boolean oldExternal = isExternal(deletedPackage); 14248 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14249 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14250 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14251 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14252 try { 14253 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14254 null); 14255 } catch (PackageManagerException e) { 14256 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14257 + e.getMessage()); 14258 return; 14259 } 14260 14261 synchronized (mPackages) { 14262 // Ensure the installer package name up to date 14263 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14264 14265 // Update permissions for restored package 14266 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14267 14268 mSettings.writeLPr(); 14269 } 14270 14271 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14272 } 14273 } else { 14274 synchronized (mPackages) { 14275 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14276 if (ps != null) { 14277 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14278 if (res.removedInfo.removedChildPackages != null) { 14279 final int childCount = res.removedInfo.removedChildPackages.size(); 14280 // Iterate in reverse as we may modify the collection 14281 for (int i = childCount - 1; i >= 0; i--) { 14282 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14283 if (res.addedChildPackages.containsKey(childPackageName)) { 14284 res.removedInfo.removedChildPackages.removeAt(i); 14285 } else { 14286 PackageRemovedInfo childInfo = res.removedInfo 14287 .removedChildPackages.valueAt(i); 14288 childInfo.removedForAllUsers = mPackages.get( 14289 childInfo.removedPackage) == null; 14290 } 14291 } 14292 } 14293 } 14294 } 14295 } 14296 } 14297 14298 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14299 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14300 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14301 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14302 + ", old=" + deletedPackage); 14303 14304 final boolean disabledSystem; 14305 14306 // Remove existing system package 14307 removePackageLI(deletedPackage, true); 14308 14309 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14310 if (!disabledSystem) { 14311 // We didn't need to disable the .apk as a current system package, 14312 // which means we are replacing another update that is already 14313 // installed. We need to make sure to delete the older one's .apk. 14314 res.removedInfo.args = createInstallArgsForExisting(0, 14315 deletedPackage.applicationInfo.getCodePath(), 14316 deletedPackage.applicationInfo.getResourcePath(), 14317 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14318 } else { 14319 res.removedInfo.args = null; 14320 } 14321 14322 // Successfully disabled the old package. Now proceed with re-installation 14323 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14324 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14325 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14326 14327 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14328 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14329 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14330 14331 PackageParser.Package newPackage = null; 14332 try { 14333 // Add the package to the internal data structures 14334 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14335 14336 // Set the update and install times 14337 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14338 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14339 System.currentTimeMillis()); 14340 14341 // Update the package dynamic state if succeeded 14342 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14343 // Now that the install succeeded make sure we remove data 14344 // directories for any child package the update removed. 14345 final int deletedChildCount = (deletedPackage.childPackages != null) 14346 ? deletedPackage.childPackages.size() : 0; 14347 final int newChildCount = (newPackage.childPackages != null) 14348 ? newPackage.childPackages.size() : 0; 14349 for (int i = 0; i < deletedChildCount; i++) { 14350 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14351 boolean childPackageDeleted = true; 14352 for (int j = 0; j < newChildCount; j++) { 14353 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14354 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14355 childPackageDeleted = false; 14356 break; 14357 } 14358 } 14359 if (childPackageDeleted) { 14360 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14361 deletedChildPkg.packageName); 14362 if (ps != null && res.removedInfo.removedChildPackages != null) { 14363 PackageRemovedInfo removedChildRes = res.removedInfo 14364 .removedChildPackages.get(deletedChildPkg.packageName); 14365 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14366 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14367 } 14368 } 14369 } 14370 14371 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14372 prepareAppDataAfterInstallLIF(newPackage); 14373 } 14374 } catch (PackageManagerException e) { 14375 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14376 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14377 } 14378 14379 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14380 // Re installation failed. Restore old information 14381 // Remove new pkg information 14382 if (newPackage != null) { 14383 removeInstalledPackageLI(newPackage, true); 14384 } 14385 // Add back the old system package 14386 try { 14387 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14388 } catch (PackageManagerException e) { 14389 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14390 } 14391 14392 synchronized (mPackages) { 14393 if (disabledSystem) { 14394 enableSystemPackageLPw(deletedPackage); 14395 } 14396 14397 // Ensure the installer package name up to date 14398 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14399 14400 // Update permissions for restored package 14401 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14402 14403 mSettings.writeLPr(); 14404 } 14405 14406 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14407 + " after failed upgrade"); 14408 } 14409 } 14410 14411 /** 14412 * Checks whether the parent or any of the child packages have a change shared 14413 * user. For a package to be a valid update the shred users of the parent and 14414 * the children should match. We may later support changing child shared users. 14415 * @param oldPkg The updated package. 14416 * @param newPkg The update package. 14417 * @return The shared user that change between the versions. 14418 */ 14419 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14420 PackageParser.Package newPkg) { 14421 // Check parent shared user 14422 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14423 return newPkg.packageName; 14424 } 14425 // Check child shared users 14426 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14427 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14428 for (int i = 0; i < newChildCount; i++) { 14429 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14430 // If this child was present, did it have the same shared user? 14431 for (int j = 0; j < oldChildCount; j++) { 14432 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14433 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14434 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14435 return newChildPkg.packageName; 14436 } 14437 } 14438 } 14439 return null; 14440 } 14441 14442 private void removeNativeBinariesLI(PackageSetting ps) { 14443 // Remove the lib path for the parent package 14444 if (ps != null) { 14445 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14446 // Remove the lib path for the child packages 14447 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14448 for (int i = 0; i < childCount; i++) { 14449 PackageSetting childPs = null; 14450 synchronized (mPackages) { 14451 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14452 } 14453 if (childPs != null) { 14454 NativeLibraryHelper.removeNativeBinariesLI(childPs 14455 .legacyNativeLibraryPathString); 14456 } 14457 } 14458 } 14459 } 14460 14461 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14462 // Enable the parent package 14463 mSettings.enableSystemPackageLPw(pkg.packageName); 14464 // Enable the child packages 14465 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14466 for (int i = 0; i < childCount; i++) { 14467 PackageParser.Package childPkg = pkg.childPackages.get(i); 14468 mSettings.enableSystemPackageLPw(childPkg.packageName); 14469 } 14470 } 14471 14472 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14473 PackageParser.Package newPkg) { 14474 // Disable the parent package (parent always replaced) 14475 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14476 // Disable the child packages 14477 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14478 for (int i = 0; i < childCount; i++) { 14479 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14480 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14481 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14482 } 14483 return disabled; 14484 } 14485 14486 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14487 String installerPackageName) { 14488 // Enable the parent package 14489 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14490 // Enable the child packages 14491 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14492 for (int i = 0; i < childCount; i++) { 14493 PackageParser.Package childPkg = pkg.childPackages.get(i); 14494 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14495 } 14496 } 14497 14498 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14499 // Collect all used permissions in the UID 14500 ArraySet<String> usedPermissions = new ArraySet<>(); 14501 final int packageCount = su.packages.size(); 14502 for (int i = 0; i < packageCount; i++) { 14503 PackageSetting ps = su.packages.valueAt(i); 14504 if (ps.pkg == null) { 14505 continue; 14506 } 14507 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14508 for (int j = 0; j < requestedPermCount; j++) { 14509 String permission = ps.pkg.requestedPermissions.get(j); 14510 BasePermission bp = mSettings.mPermissions.get(permission); 14511 if (bp != null) { 14512 usedPermissions.add(permission); 14513 } 14514 } 14515 } 14516 14517 PermissionsState permissionsState = su.getPermissionsState(); 14518 // Prune install permissions 14519 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14520 final int installPermCount = installPermStates.size(); 14521 for (int i = installPermCount - 1; i >= 0; i--) { 14522 PermissionState permissionState = installPermStates.get(i); 14523 if (!usedPermissions.contains(permissionState.getName())) { 14524 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14525 if (bp != null) { 14526 permissionsState.revokeInstallPermission(bp); 14527 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14528 PackageManager.MASK_PERMISSION_FLAGS, 0); 14529 } 14530 } 14531 } 14532 14533 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14534 14535 // Prune runtime permissions 14536 for (int userId : allUserIds) { 14537 List<PermissionState> runtimePermStates = permissionsState 14538 .getRuntimePermissionStates(userId); 14539 final int runtimePermCount = runtimePermStates.size(); 14540 for (int i = runtimePermCount - 1; i >= 0; i--) { 14541 PermissionState permissionState = runtimePermStates.get(i); 14542 if (!usedPermissions.contains(permissionState.getName())) { 14543 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14544 if (bp != null) { 14545 permissionsState.revokeRuntimePermission(bp, userId); 14546 permissionsState.updatePermissionFlags(bp, userId, 14547 PackageManager.MASK_PERMISSION_FLAGS, 0); 14548 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14549 runtimePermissionChangedUserIds, userId); 14550 } 14551 } 14552 } 14553 } 14554 14555 return runtimePermissionChangedUserIds; 14556 } 14557 14558 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14559 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14560 // Update the parent package setting 14561 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14562 res, user); 14563 // Update the child packages setting 14564 final int childCount = (newPackage.childPackages != null) 14565 ? newPackage.childPackages.size() : 0; 14566 for (int i = 0; i < childCount; i++) { 14567 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14568 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14569 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14570 childRes.origUsers, childRes, user); 14571 } 14572 } 14573 14574 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14575 String installerPackageName, int[] allUsers, int[] installedForUsers, 14576 PackageInstalledInfo res, UserHandle user) { 14577 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14578 14579 String pkgName = newPackage.packageName; 14580 synchronized (mPackages) { 14581 //write settings. the installStatus will be incomplete at this stage. 14582 //note that the new package setting would have already been 14583 //added to mPackages. It hasn't been persisted yet. 14584 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14585 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14586 mSettings.writeLPr(); 14587 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14588 } 14589 14590 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14591 synchronized (mPackages) { 14592 updatePermissionsLPw(newPackage.packageName, newPackage, 14593 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14594 ? UPDATE_PERMISSIONS_ALL : 0)); 14595 // For system-bundled packages, we assume that installing an upgraded version 14596 // of the package implies that the user actually wants to run that new code, 14597 // so we enable the package. 14598 PackageSetting ps = mSettings.mPackages.get(pkgName); 14599 final int userId = user.getIdentifier(); 14600 if (ps != null) { 14601 if (isSystemApp(newPackage)) { 14602 if (DEBUG_INSTALL) { 14603 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14604 } 14605 // Enable system package for requested users 14606 if (res.origUsers != null) { 14607 for (int origUserId : res.origUsers) { 14608 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14609 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14610 origUserId, installerPackageName); 14611 } 14612 } 14613 } 14614 // Also convey the prior install/uninstall state 14615 if (allUsers != null && installedForUsers != null) { 14616 for (int currentUserId : allUsers) { 14617 final boolean installed = ArrayUtils.contains( 14618 installedForUsers, currentUserId); 14619 if (DEBUG_INSTALL) { 14620 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14621 } 14622 ps.setInstalled(installed, currentUserId); 14623 } 14624 // these install state changes will be persisted in the 14625 // upcoming call to mSettings.writeLPr(). 14626 } 14627 } 14628 // It's implied that when a user requests installation, they want the app to be 14629 // installed and enabled. 14630 if (userId != UserHandle.USER_ALL) { 14631 ps.setInstalled(true, userId); 14632 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14633 } 14634 } 14635 res.name = pkgName; 14636 res.uid = newPackage.applicationInfo.uid; 14637 res.pkg = newPackage; 14638 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14639 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14640 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14641 //to update install status 14642 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14643 mSettings.writeLPr(); 14644 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14645 } 14646 14647 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14648 } 14649 14650 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14651 try { 14652 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14653 installPackageLI(args, res); 14654 } finally { 14655 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14656 } 14657 } 14658 14659 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14660 final int installFlags = args.installFlags; 14661 final String installerPackageName = args.installerPackageName; 14662 final String volumeUuid = args.volumeUuid; 14663 final File tmpPackageFile = new File(args.getCodePath()); 14664 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14665 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14666 || (args.volumeUuid != null)); 14667 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14668 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14669 boolean replace = false; 14670 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14671 if (args.move != null) { 14672 // moving a complete application; perform an initial scan on the new install location 14673 scanFlags |= SCAN_INITIAL; 14674 } 14675 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14676 scanFlags |= SCAN_DONT_KILL_APP; 14677 } 14678 14679 // Result object to be returned 14680 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14681 14682 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14683 14684 // Sanity check 14685 if (ephemeral && (forwardLocked || onExternal)) { 14686 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14687 + " external=" + onExternal); 14688 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14689 return; 14690 } 14691 14692 // Retrieve PackageSettings and parse package 14693 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14694 | PackageParser.PARSE_ENFORCE_CODE 14695 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14696 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14697 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14698 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14699 PackageParser pp = new PackageParser(); 14700 pp.setSeparateProcesses(mSeparateProcesses); 14701 pp.setDisplayMetrics(mMetrics); 14702 14703 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14704 final PackageParser.Package pkg; 14705 try { 14706 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14707 } catch (PackageParserException e) { 14708 res.setError("Failed parse during installPackageLI", e); 14709 return; 14710 } finally { 14711 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14712 } 14713 14714 // If we are installing a clustered package add results for the children 14715 if (pkg.childPackages != null) { 14716 synchronized (mPackages) { 14717 final int childCount = pkg.childPackages.size(); 14718 for (int i = 0; i < childCount; i++) { 14719 PackageParser.Package childPkg = pkg.childPackages.get(i); 14720 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14721 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14722 childRes.pkg = childPkg; 14723 childRes.name = childPkg.packageName; 14724 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14725 if (childPs != null) { 14726 childRes.origUsers = childPs.queryInstalledUsers( 14727 sUserManager.getUserIds(), true); 14728 } 14729 if ((mPackages.containsKey(childPkg.packageName))) { 14730 childRes.removedInfo = new PackageRemovedInfo(); 14731 childRes.removedInfo.removedPackage = childPkg.packageName; 14732 } 14733 if (res.addedChildPackages == null) { 14734 res.addedChildPackages = new ArrayMap<>(); 14735 } 14736 res.addedChildPackages.put(childPkg.packageName, childRes); 14737 } 14738 } 14739 } 14740 14741 // If package doesn't declare API override, mark that we have an install 14742 // time CPU ABI override. 14743 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14744 pkg.cpuAbiOverride = args.abiOverride; 14745 } 14746 14747 String pkgName = res.name = pkg.packageName; 14748 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14749 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14750 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14751 return; 14752 } 14753 } 14754 14755 try { 14756 // either use what we've been given or parse directly from the APK 14757 if (args.certificates != null) { 14758 try { 14759 PackageParser.populateCertificates(pkg, args.certificates); 14760 } catch (PackageParserException e) { 14761 // there was something wrong with the certificates we were given; 14762 // try to pull them from the APK 14763 PackageParser.collectCertificates(pkg, parseFlags); 14764 } 14765 } else { 14766 PackageParser.collectCertificates(pkg, parseFlags); 14767 } 14768 } catch (PackageParserException e) { 14769 res.setError("Failed collect during installPackageLI", e); 14770 return; 14771 } 14772 14773 // Get rid of all references to package scan path via parser. 14774 pp = null; 14775 String oldCodePath = null; 14776 boolean systemApp = false; 14777 synchronized (mPackages) { 14778 // Check if installing already existing package 14779 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14780 String oldName = mSettings.mRenamedPackages.get(pkgName); 14781 if (pkg.mOriginalPackages != null 14782 && pkg.mOriginalPackages.contains(oldName) 14783 && mPackages.containsKey(oldName)) { 14784 // This package is derived from an original package, 14785 // and this device has been updating from that original 14786 // name. We must continue using the original name, so 14787 // rename the new package here. 14788 pkg.setPackageName(oldName); 14789 pkgName = pkg.packageName; 14790 replace = true; 14791 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14792 + oldName + " pkgName=" + pkgName); 14793 } else if (mPackages.containsKey(pkgName)) { 14794 // This package, under its official name, already exists 14795 // on the device; we should replace it. 14796 replace = true; 14797 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14798 } 14799 14800 // Child packages are installed through the parent package 14801 if (pkg.parentPackage != null) { 14802 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14803 "Package " + pkg.packageName + " is child of package " 14804 + pkg.parentPackage.parentPackage + ". Child packages " 14805 + "can be updated only through the parent package."); 14806 return; 14807 } 14808 14809 if (replace) { 14810 // Prevent apps opting out from runtime permissions 14811 PackageParser.Package oldPackage = mPackages.get(pkgName); 14812 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14813 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14814 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14815 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14816 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14817 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14818 + " doesn't support runtime permissions but the old" 14819 + " target SDK " + oldTargetSdk + " does."); 14820 return; 14821 } 14822 14823 // Prevent installing of child packages 14824 if (oldPackage.parentPackage != null) { 14825 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14826 "Package " + pkg.packageName + " is child of package " 14827 + oldPackage.parentPackage + ". Child packages " 14828 + "can be updated only through the parent package."); 14829 return; 14830 } 14831 } 14832 } 14833 14834 PackageSetting ps = mSettings.mPackages.get(pkgName); 14835 if (ps != null) { 14836 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14837 14838 // Quick sanity check that we're signed correctly if updating; 14839 // we'll check this again later when scanning, but we want to 14840 // bail early here before tripping over redefined permissions. 14841 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14842 if (!checkUpgradeKeySetLP(ps, pkg)) { 14843 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14844 + pkg.packageName + " upgrade keys do not match the " 14845 + "previously installed version"); 14846 return; 14847 } 14848 } else { 14849 try { 14850 verifySignaturesLP(ps, pkg); 14851 } catch (PackageManagerException e) { 14852 res.setError(e.error, e.getMessage()); 14853 return; 14854 } 14855 } 14856 14857 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14858 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14859 systemApp = (ps.pkg.applicationInfo.flags & 14860 ApplicationInfo.FLAG_SYSTEM) != 0; 14861 } 14862 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14863 } 14864 14865 // Check whether the newly-scanned package wants to define an already-defined perm 14866 int N = pkg.permissions.size(); 14867 for (int i = N-1; i >= 0; i--) { 14868 PackageParser.Permission perm = pkg.permissions.get(i); 14869 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14870 if (bp != null) { 14871 // If the defining package is signed with our cert, it's okay. This 14872 // also includes the "updating the same package" case, of course. 14873 // "updating same package" could also involve key-rotation. 14874 final boolean sigsOk; 14875 if (bp.sourcePackage.equals(pkg.packageName) 14876 && (bp.packageSetting instanceof PackageSetting) 14877 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14878 scanFlags))) { 14879 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14880 } else { 14881 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14882 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14883 } 14884 if (!sigsOk) { 14885 // If the owning package is the system itself, we log but allow 14886 // install to proceed; we fail the install on all other permission 14887 // redefinitions. 14888 if (!bp.sourcePackage.equals("android")) { 14889 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14890 + pkg.packageName + " attempting to redeclare permission " 14891 + perm.info.name + " already owned by " + bp.sourcePackage); 14892 res.origPermission = perm.info.name; 14893 res.origPackage = bp.sourcePackage; 14894 return; 14895 } else { 14896 Slog.w(TAG, "Package " + pkg.packageName 14897 + " attempting to redeclare system permission " 14898 + perm.info.name + "; ignoring new declaration"); 14899 pkg.permissions.remove(i); 14900 } 14901 } 14902 } 14903 } 14904 } 14905 14906 if (systemApp) { 14907 if (onExternal) { 14908 // Abort update; system app can't be replaced with app on sdcard 14909 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14910 "Cannot install updates to system apps on sdcard"); 14911 return; 14912 } else if (ephemeral) { 14913 // Abort update; system app can't be replaced with an ephemeral app 14914 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14915 "Cannot update a system app with an ephemeral app"); 14916 return; 14917 } 14918 } 14919 14920 if (args.move != null) { 14921 // We did an in-place move, so dex is ready to roll 14922 scanFlags |= SCAN_NO_DEX; 14923 scanFlags |= SCAN_MOVE; 14924 14925 synchronized (mPackages) { 14926 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14927 if (ps == null) { 14928 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14929 "Missing settings for moved package " + pkgName); 14930 } 14931 14932 // We moved the entire application as-is, so bring over the 14933 // previously derived ABI information. 14934 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14935 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14936 } 14937 14938 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14939 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14940 scanFlags |= SCAN_NO_DEX; 14941 14942 try { 14943 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14944 args.abiOverride : pkg.cpuAbiOverride); 14945 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14946 true /* extract libs */); 14947 } catch (PackageManagerException pme) { 14948 Slog.e(TAG, "Error deriving application ABI", pme); 14949 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14950 return; 14951 } 14952 14953 // Shared libraries for the package need to be updated. 14954 synchronized (mPackages) { 14955 try { 14956 updateSharedLibrariesLPw(pkg, null); 14957 } catch (PackageManagerException e) { 14958 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 14959 } 14960 } 14961 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14962 // Do not run PackageDexOptimizer through the local performDexOpt 14963 // method because `pkg` is not in `mPackages` yet. 14964 int result = mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 14965 null /* instructionSets */, false /* checkProfiles */, 14966 getCompilerFilterForReason(REASON_INSTALL)); 14967 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14968 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14969 String msg = "Extracting package failed for " + pkgName; 14970 res.setError(INSTALL_FAILED_DEXOPT, msg); 14971 return; 14972 } 14973 14974 // Notify BackgroundDexOptService that the package has been changed. 14975 // If this is an update of a package which used to fail to compile, 14976 // BDOS will remove it from its blacklist. 14977 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 14978 } 14979 14980 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14981 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14982 return; 14983 } 14984 14985 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14986 14987 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 14988 "installPackageLI")) { 14989 if (replace) { 14990 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14991 installerPackageName, res); 14992 } else { 14993 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14994 args.user, installerPackageName, volumeUuid, res); 14995 } 14996 } 14997 synchronized (mPackages) { 14998 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14999 if (ps != null) { 15000 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15001 } 15002 15003 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15004 for (int i = 0; i < childCount; i++) { 15005 PackageParser.Package childPkg = pkg.childPackages.get(i); 15006 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15007 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15008 if (childPs != null) { 15009 childRes.newUsers = childPs.queryInstalledUsers( 15010 sUserManager.getUserIds(), true); 15011 } 15012 } 15013 } 15014 } 15015 15016 private void startIntentFilterVerifications(int userId, boolean replacing, 15017 PackageParser.Package pkg) { 15018 if (mIntentFilterVerifierComponent == null) { 15019 Slog.w(TAG, "No IntentFilter verification will not be done as " 15020 + "there is no IntentFilterVerifier available!"); 15021 return; 15022 } 15023 15024 final int verifierUid = getPackageUid( 15025 mIntentFilterVerifierComponent.getPackageName(), 15026 MATCH_DEBUG_TRIAGED_MISSING, 15027 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15028 15029 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15030 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15031 mHandler.sendMessage(msg); 15032 15033 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15034 for (int i = 0; i < childCount; i++) { 15035 PackageParser.Package childPkg = pkg.childPackages.get(i); 15036 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15037 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15038 mHandler.sendMessage(msg); 15039 } 15040 } 15041 15042 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15043 PackageParser.Package pkg) { 15044 int size = pkg.activities.size(); 15045 if (size == 0) { 15046 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15047 "No activity, so no need to verify any IntentFilter!"); 15048 return; 15049 } 15050 15051 final boolean hasDomainURLs = hasDomainURLs(pkg); 15052 if (!hasDomainURLs) { 15053 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15054 "No domain URLs, so no need to verify any IntentFilter!"); 15055 return; 15056 } 15057 15058 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15059 + " if any IntentFilter from the " + size 15060 + " Activities needs verification ..."); 15061 15062 int count = 0; 15063 final String packageName = pkg.packageName; 15064 15065 synchronized (mPackages) { 15066 // If this is a new install and we see that we've already run verification for this 15067 // package, we have nothing to do: it means the state was restored from backup. 15068 if (!replacing) { 15069 IntentFilterVerificationInfo ivi = 15070 mSettings.getIntentFilterVerificationLPr(packageName); 15071 if (ivi != null) { 15072 if (DEBUG_DOMAIN_VERIFICATION) { 15073 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15074 + ivi.getStatusString()); 15075 } 15076 return; 15077 } 15078 } 15079 15080 // If any filters need to be verified, then all need to be. 15081 boolean needToVerify = false; 15082 for (PackageParser.Activity a : pkg.activities) { 15083 for (ActivityIntentInfo filter : a.intents) { 15084 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15085 if (DEBUG_DOMAIN_VERIFICATION) { 15086 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15087 } 15088 needToVerify = true; 15089 break; 15090 } 15091 } 15092 } 15093 15094 if (needToVerify) { 15095 final int verificationId = mIntentFilterVerificationToken++; 15096 for (PackageParser.Activity a : pkg.activities) { 15097 for (ActivityIntentInfo filter : a.intents) { 15098 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15099 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15100 "Verification needed for IntentFilter:" + filter.toString()); 15101 mIntentFilterVerifier.addOneIntentFilterVerification( 15102 verifierUid, userId, verificationId, filter, packageName); 15103 count++; 15104 } 15105 } 15106 } 15107 } 15108 } 15109 15110 if (count > 0) { 15111 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15112 + " IntentFilter verification" + (count > 1 ? "s" : "") 15113 + " for userId:" + userId); 15114 mIntentFilterVerifier.startVerifications(userId); 15115 } else { 15116 if (DEBUG_DOMAIN_VERIFICATION) { 15117 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15118 } 15119 } 15120 } 15121 15122 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15123 final ComponentName cn = filter.activity.getComponentName(); 15124 final String packageName = cn.getPackageName(); 15125 15126 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15127 packageName); 15128 if (ivi == null) { 15129 return true; 15130 } 15131 int status = ivi.getStatus(); 15132 switch (status) { 15133 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15134 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15135 return true; 15136 15137 default: 15138 // Nothing to do 15139 return false; 15140 } 15141 } 15142 15143 private static boolean isMultiArch(ApplicationInfo info) { 15144 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15145 } 15146 15147 private static boolean isExternal(PackageParser.Package pkg) { 15148 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15149 } 15150 15151 private static boolean isExternal(PackageSetting ps) { 15152 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15153 } 15154 15155 private static boolean isEphemeral(PackageParser.Package pkg) { 15156 return pkg.applicationInfo.isEphemeralApp(); 15157 } 15158 15159 private static boolean isEphemeral(PackageSetting ps) { 15160 return ps.pkg != null && isEphemeral(ps.pkg); 15161 } 15162 15163 private static boolean isSystemApp(PackageParser.Package pkg) { 15164 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15165 } 15166 15167 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15168 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15169 } 15170 15171 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15172 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15173 } 15174 15175 private static boolean isSystemApp(PackageSetting ps) { 15176 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15177 } 15178 15179 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15180 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15181 } 15182 15183 private int packageFlagsToInstallFlags(PackageSetting ps) { 15184 int installFlags = 0; 15185 if (isEphemeral(ps)) { 15186 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15187 } 15188 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15189 // This existing package was an external ASEC install when we have 15190 // the external flag without a UUID 15191 installFlags |= PackageManager.INSTALL_EXTERNAL; 15192 } 15193 if (ps.isForwardLocked()) { 15194 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15195 } 15196 return installFlags; 15197 } 15198 15199 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15200 if (isExternal(pkg)) { 15201 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15202 return StorageManager.UUID_PRIMARY_PHYSICAL; 15203 } else { 15204 return pkg.volumeUuid; 15205 } 15206 } else { 15207 return StorageManager.UUID_PRIVATE_INTERNAL; 15208 } 15209 } 15210 15211 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15212 if (isExternal(pkg)) { 15213 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15214 return mSettings.getExternalVersion(); 15215 } else { 15216 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15217 } 15218 } else { 15219 return mSettings.getInternalVersion(); 15220 } 15221 } 15222 15223 private void deleteTempPackageFiles() { 15224 final FilenameFilter filter = new FilenameFilter() { 15225 public boolean accept(File dir, String name) { 15226 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15227 } 15228 }; 15229 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15230 file.delete(); 15231 } 15232 } 15233 15234 @Override 15235 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15236 int flags) { 15237 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15238 flags); 15239 } 15240 15241 @Override 15242 public void deletePackage(final String packageName, 15243 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15244 mContext.enforceCallingOrSelfPermission( 15245 android.Manifest.permission.DELETE_PACKAGES, null); 15246 Preconditions.checkNotNull(packageName); 15247 Preconditions.checkNotNull(observer); 15248 final int uid = Binder.getCallingUid(); 15249 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15250 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15251 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15252 mContext.enforceCallingOrSelfPermission( 15253 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15254 "deletePackage for user " + userId); 15255 } 15256 15257 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15258 try { 15259 observer.onPackageDeleted(packageName, 15260 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15261 } catch (RemoteException re) { 15262 } 15263 return; 15264 } 15265 15266 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15267 try { 15268 observer.onPackageDeleted(packageName, 15269 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15270 } catch (RemoteException re) { 15271 } 15272 return; 15273 } 15274 15275 if (DEBUG_REMOVE) { 15276 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15277 + " deleteAllUsers: " + deleteAllUsers ); 15278 } 15279 // Queue up an async operation since the package deletion may take a little while. 15280 mHandler.post(new Runnable() { 15281 public void run() { 15282 mHandler.removeCallbacks(this); 15283 int returnCode; 15284 if (!deleteAllUsers) { 15285 returnCode = deletePackageX(packageName, userId, deleteFlags); 15286 } else { 15287 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15288 // If nobody is blocking uninstall, proceed with delete for all users 15289 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15290 returnCode = deletePackageX(packageName, userId, deleteFlags); 15291 } else { 15292 // Otherwise uninstall individually for users with blockUninstalls=false 15293 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15294 for (int userId : users) { 15295 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15296 returnCode = deletePackageX(packageName, userId, userFlags); 15297 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15298 Slog.w(TAG, "Package delete failed for user " + userId 15299 + ", returnCode " + returnCode); 15300 } 15301 } 15302 } 15303 // The app has only been marked uninstalled for certain users. 15304 // We still need to report that delete was blocked 15305 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15306 } 15307 } 15308 try { 15309 observer.onPackageDeleted(packageName, returnCode, null); 15310 } catch (RemoteException e) { 15311 Log.i(TAG, "Observer no longer exists."); 15312 } //end catch 15313 } //end run 15314 }); 15315 } 15316 15317 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15318 int[] result = EMPTY_INT_ARRAY; 15319 for (int userId : userIds) { 15320 if (getBlockUninstallForUser(packageName, userId)) { 15321 result = ArrayUtils.appendInt(result, userId); 15322 } 15323 } 15324 return result; 15325 } 15326 15327 @Override 15328 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15329 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15330 } 15331 15332 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15333 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15334 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15335 try { 15336 if (dpm != null) { 15337 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15338 /* callingUserOnly =*/ false); 15339 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15340 : deviceOwnerComponentName.getPackageName(); 15341 // Does the package contains the device owner? 15342 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15343 // this check is probably not needed, since DO should be registered as a device 15344 // admin on some user too. (Original bug for this: b/17657954) 15345 if (packageName.equals(deviceOwnerPackageName)) { 15346 return true; 15347 } 15348 // Does it contain a device admin for any user? 15349 int[] users; 15350 if (userId == UserHandle.USER_ALL) { 15351 users = sUserManager.getUserIds(); 15352 } else { 15353 users = new int[]{userId}; 15354 } 15355 for (int i = 0; i < users.length; ++i) { 15356 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15357 return true; 15358 } 15359 } 15360 } 15361 } catch (RemoteException e) { 15362 } 15363 return false; 15364 } 15365 15366 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15367 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15368 } 15369 15370 /** 15371 * This method is an internal method that could be get invoked either 15372 * to delete an installed package or to clean up a failed installation. 15373 * After deleting an installed package, a broadcast is sent to notify any 15374 * listeners that the package has been removed. For cleaning up a failed 15375 * installation, the broadcast is not necessary since the package's 15376 * installation wouldn't have sent the initial broadcast either 15377 * The key steps in deleting a package are 15378 * deleting the package information in internal structures like mPackages, 15379 * deleting the packages base directories through installd 15380 * updating mSettings to reflect current status 15381 * persisting settings for later use 15382 * sending a broadcast if necessary 15383 */ 15384 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15385 final PackageRemovedInfo info = new PackageRemovedInfo(); 15386 final boolean res; 15387 15388 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15389 ? UserHandle.ALL : new UserHandle(userId); 15390 15391 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15392 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15393 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15394 } 15395 15396 PackageSetting uninstalledPs = null; 15397 15398 // for the uninstall-updates case and restricted profiles, remember the per- 15399 // user handle installed state 15400 int[] allUsers; 15401 synchronized (mPackages) { 15402 uninstalledPs = mSettings.mPackages.get(packageName); 15403 if (uninstalledPs == null) { 15404 Slog.w(TAG, "Not removing non-existent package " + packageName); 15405 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15406 } 15407 allUsers = sUserManager.getUserIds(); 15408 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15409 } 15410 15411 synchronized (mInstallLock) { 15412 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15413 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15414 "deletePackageX")) { 15415 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15416 deleteFlags | REMOVE_CHATTY, info, true, null); 15417 } 15418 synchronized (mPackages) { 15419 if (res) { 15420 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15421 } 15422 } 15423 } 15424 15425 if (res) { 15426 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15427 info.sendPackageRemovedBroadcasts(killApp); 15428 info.sendSystemPackageUpdatedBroadcasts(); 15429 info.sendSystemPackageAppearedBroadcasts(); 15430 } 15431 // Force a gc here. 15432 Runtime.getRuntime().gc(); 15433 // Delete the resources here after sending the broadcast to let 15434 // other processes clean up before deleting resources. 15435 if (info.args != null) { 15436 synchronized (mInstallLock) { 15437 info.args.doPostDeleteLI(true); 15438 } 15439 } 15440 15441 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15442 } 15443 15444 class PackageRemovedInfo { 15445 String removedPackage; 15446 int uid = -1; 15447 int removedAppId = -1; 15448 int[] origUsers; 15449 int[] removedUsers = null; 15450 boolean isRemovedPackageSystemUpdate = false; 15451 boolean isUpdate; 15452 boolean dataRemoved; 15453 boolean removedForAllUsers; 15454 // Clean up resources deleted packages. 15455 InstallArgs args = null; 15456 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15457 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15458 15459 void sendPackageRemovedBroadcasts(boolean killApp) { 15460 sendPackageRemovedBroadcastInternal(killApp); 15461 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15462 for (int i = 0; i < childCount; i++) { 15463 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15464 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15465 } 15466 } 15467 15468 void sendSystemPackageUpdatedBroadcasts() { 15469 if (isRemovedPackageSystemUpdate) { 15470 sendSystemPackageUpdatedBroadcastsInternal(); 15471 final int childCount = (removedChildPackages != null) 15472 ? removedChildPackages.size() : 0; 15473 for (int i = 0; i < childCount; i++) { 15474 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15475 if (childInfo.isRemovedPackageSystemUpdate) { 15476 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15477 } 15478 } 15479 } 15480 } 15481 15482 void sendSystemPackageAppearedBroadcasts() { 15483 final int packageCount = (appearedChildPackages != null) 15484 ? appearedChildPackages.size() : 0; 15485 for (int i = 0; i < packageCount; i++) { 15486 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15487 for (int userId : installedInfo.newUsers) { 15488 sendPackageAddedForUser(installedInfo.name, true, 15489 UserHandle.getAppId(installedInfo.uid), userId); 15490 } 15491 } 15492 } 15493 15494 private void sendSystemPackageUpdatedBroadcastsInternal() { 15495 Bundle extras = new Bundle(2); 15496 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15497 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15498 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15499 extras, 0, null, null, null); 15500 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15501 extras, 0, null, null, null); 15502 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15503 null, 0, removedPackage, null, null); 15504 } 15505 15506 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15507 Bundle extras = new Bundle(2); 15508 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15509 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15510 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15511 if (isUpdate || isRemovedPackageSystemUpdate) { 15512 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15513 } 15514 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15515 if (removedPackage != null) { 15516 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15517 extras, 0, null, null, removedUsers); 15518 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15519 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15520 removedPackage, extras, 0, null, null, removedUsers); 15521 } 15522 } 15523 if (removedAppId >= 0) { 15524 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15525 removedUsers); 15526 } 15527 } 15528 } 15529 15530 /* 15531 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15532 * flag is not set, the data directory is removed as well. 15533 * make sure this flag is set for partially installed apps. If not its meaningless to 15534 * delete a partially installed application. 15535 */ 15536 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15537 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15538 String packageName = ps.name; 15539 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15540 // Retrieve object to delete permissions for shared user later on 15541 final PackageParser.Package deletedPkg; 15542 final PackageSetting deletedPs; 15543 // reader 15544 synchronized (mPackages) { 15545 deletedPkg = mPackages.get(packageName); 15546 deletedPs = mSettings.mPackages.get(packageName); 15547 if (outInfo != null) { 15548 outInfo.removedPackage = packageName; 15549 outInfo.removedUsers = deletedPs != null 15550 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15551 : null; 15552 } 15553 } 15554 15555 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15556 15557 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15558 final PackageParser.Package resolvedPkg; 15559 if (deletedPkg != null) { 15560 resolvedPkg = deletedPkg; 15561 } else { 15562 // We don't have a parsed package when it lives on an ejected 15563 // adopted storage device, so fake something together 15564 resolvedPkg = new PackageParser.Package(ps.name); 15565 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15566 } 15567 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15568 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15569 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15570 if (outInfo != null) { 15571 outInfo.dataRemoved = true; 15572 } 15573 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15574 } 15575 15576 // writer 15577 synchronized (mPackages) { 15578 if (deletedPs != null) { 15579 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15580 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15581 clearDefaultBrowserIfNeeded(packageName); 15582 if (outInfo != null) { 15583 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15584 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15585 } 15586 updatePermissionsLPw(deletedPs.name, null, 0); 15587 if (deletedPs.sharedUser != null) { 15588 // Remove permissions associated with package. Since runtime 15589 // permissions are per user we have to kill the removed package 15590 // or packages running under the shared user of the removed 15591 // package if revoking the permissions requested only by the removed 15592 // package is successful and this causes a change in gids. 15593 for (int userId : UserManagerService.getInstance().getUserIds()) { 15594 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15595 userId); 15596 if (userIdToKill == UserHandle.USER_ALL 15597 || userIdToKill >= UserHandle.USER_SYSTEM) { 15598 // If gids changed for this user, kill all affected packages. 15599 mHandler.post(new Runnable() { 15600 @Override 15601 public void run() { 15602 // This has to happen with no lock held. 15603 killApplication(deletedPs.name, deletedPs.appId, 15604 KILL_APP_REASON_GIDS_CHANGED); 15605 } 15606 }); 15607 break; 15608 } 15609 } 15610 } 15611 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15612 } 15613 // make sure to preserve per-user disabled state if this removal was just 15614 // a downgrade of a system app to the factory package 15615 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15616 if (DEBUG_REMOVE) { 15617 Slog.d(TAG, "Propagating install state across downgrade"); 15618 } 15619 for (int userId : allUserHandles) { 15620 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15621 if (DEBUG_REMOVE) { 15622 Slog.d(TAG, " user " + userId + " => " + installed); 15623 } 15624 ps.setInstalled(installed, userId); 15625 } 15626 } 15627 } 15628 // can downgrade to reader 15629 if (writeSettings) { 15630 // Save settings now 15631 mSettings.writeLPr(); 15632 } 15633 } 15634 if (outInfo != null) { 15635 // A user ID was deleted here. Go through all users and remove it 15636 // from KeyStore. 15637 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15638 } 15639 } 15640 15641 static boolean locationIsPrivileged(File path) { 15642 try { 15643 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15644 .getCanonicalPath(); 15645 return path.getCanonicalPath().startsWith(privilegedAppDir); 15646 } catch (IOException e) { 15647 Slog.e(TAG, "Unable to access code path " + path); 15648 } 15649 return false; 15650 } 15651 15652 /* 15653 * Tries to delete system package. 15654 */ 15655 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15656 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15657 boolean writeSettings) { 15658 if (deletedPs.parentPackageName != null) { 15659 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15660 return false; 15661 } 15662 15663 final boolean applyUserRestrictions 15664 = (allUserHandles != null) && (outInfo.origUsers != null); 15665 final PackageSetting disabledPs; 15666 // Confirm if the system package has been updated 15667 // An updated system app can be deleted. This will also have to restore 15668 // the system pkg from system partition 15669 // reader 15670 synchronized (mPackages) { 15671 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15672 } 15673 15674 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15675 + " disabledPs=" + disabledPs); 15676 15677 if (disabledPs == null) { 15678 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15679 return false; 15680 } else if (DEBUG_REMOVE) { 15681 Slog.d(TAG, "Deleting system pkg from data partition"); 15682 } 15683 15684 if (DEBUG_REMOVE) { 15685 if (applyUserRestrictions) { 15686 Slog.d(TAG, "Remembering install states:"); 15687 for (int userId : allUserHandles) { 15688 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15689 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15690 } 15691 } 15692 } 15693 15694 // Delete the updated package 15695 outInfo.isRemovedPackageSystemUpdate = true; 15696 if (outInfo.removedChildPackages != null) { 15697 final int childCount = (deletedPs.childPackageNames != null) 15698 ? deletedPs.childPackageNames.size() : 0; 15699 for (int i = 0; i < childCount; i++) { 15700 String childPackageName = deletedPs.childPackageNames.get(i); 15701 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15702 .contains(childPackageName)) { 15703 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15704 childPackageName); 15705 if (childInfo != null) { 15706 childInfo.isRemovedPackageSystemUpdate = true; 15707 } 15708 } 15709 } 15710 } 15711 15712 if (disabledPs.versionCode < deletedPs.versionCode) { 15713 // Delete data for downgrades 15714 flags &= ~PackageManager.DELETE_KEEP_DATA; 15715 } else { 15716 // Preserve data by setting flag 15717 flags |= PackageManager.DELETE_KEEP_DATA; 15718 } 15719 15720 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15721 outInfo, writeSettings, disabledPs.pkg); 15722 if (!ret) { 15723 return false; 15724 } 15725 15726 // writer 15727 synchronized (mPackages) { 15728 // Reinstate the old system package 15729 enableSystemPackageLPw(disabledPs.pkg); 15730 // Remove any native libraries from the upgraded package. 15731 removeNativeBinariesLI(deletedPs); 15732 } 15733 15734 // Install the system package 15735 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15736 int parseFlags = mDefParseFlags 15737 | PackageParser.PARSE_MUST_BE_APK 15738 | PackageParser.PARSE_IS_SYSTEM 15739 | PackageParser.PARSE_IS_SYSTEM_DIR; 15740 if (locationIsPrivileged(disabledPs.codePath)) { 15741 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15742 } 15743 15744 final PackageParser.Package newPkg; 15745 try { 15746 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15747 } catch (PackageManagerException e) { 15748 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15749 + e.getMessage()); 15750 return false; 15751 } 15752 15753 prepareAppDataAfterInstallLIF(newPkg); 15754 15755 // writer 15756 synchronized (mPackages) { 15757 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15758 15759 // Propagate the permissions state as we do not want to drop on the floor 15760 // runtime permissions. The update permissions method below will take 15761 // care of removing obsolete permissions and grant install permissions. 15762 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15763 updatePermissionsLPw(newPkg.packageName, newPkg, 15764 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15765 15766 if (applyUserRestrictions) { 15767 if (DEBUG_REMOVE) { 15768 Slog.d(TAG, "Propagating install state across reinstall"); 15769 } 15770 for (int userId : allUserHandles) { 15771 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15772 if (DEBUG_REMOVE) { 15773 Slog.d(TAG, " user " + userId + " => " + installed); 15774 } 15775 ps.setInstalled(installed, userId); 15776 15777 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15778 } 15779 // Regardless of writeSettings we need to ensure that this restriction 15780 // state propagation is persisted 15781 mSettings.writeAllUsersPackageRestrictionsLPr(); 15782 } 15783 // can downgrade to reader here 15784 if (writeSettings) { 15785 mSettings.writeLPr(); 15786 } 15787 } 15788 return true; 15789 } 15790 15791 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15792 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15793 PackageRemovedInfo outInfo, boolean writeSettings, 15794 PackageParser.Package replacingPackage) { 15795 synchronized (mPackages) { 15796 if (outInfo != null) { 15797 outInfo.uid = ps.appId; 15798 } 15799 15800 if (outInfo != null && outInfo.removedChildPackages != null) { 15801 final int childCount = (ps.childPackageNames != null) 15802 ? ps.childPackageNames.size() : 0; 15803 for (int i = 0; i < childCount; i++) { 15804 String childPackageName = ps.childPackageNames.get(i); 15805 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15806 if (childPs == null) { 15807 return false; 15808 } 15809 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15810 childPackageName); 15811 if (childInfo != null) { 15812 childInfo.uid = childPs.appId; 15813 } 15814 } 15815 } 15816 } 15817 15818 // Delete package data from internal structures and also remove data if flag is set 15819 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15820 15821 // Delete the child packages data 15822 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15823 for (int i = 0; i < childCount; i++) { 15824 PackageSetting childPs; 15825 synchronized (mPackages) { 15826 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15827 } 15828 if (childPs != null) { 15829 PackageRemovedInfo childOutInfo = (outInfo != null 15830 && outInfo.removedChildPackages != null) 15831 ? outInfo.removedChildPackages.get(childPs.name) : null; 15832 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15833 && (replacingPackage != null 15834 && !replacingPackage.hasChildPackage(childPs.name)) 15835 ? flags & ~DELETE_KEEP_DATA : flags; 15836 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15837 deleteFlags, writeSettings); 15838 } 15839 } 15840 15841 // Delete application code and resources only for parent packages 15842 if (ps.parentPackageName == null) { 15843 if (deleteCodeAndResources && (outInfo != null)) { 15844 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15845 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15846 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15847 } 15848 } 15849 15850 return true; 15851 } 15852 15853 @Override 15854 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15855 int userId) { 15856 mContext.enforceCallingOrSelfPermission( 15857 android.Manifest.permission.DELETE_PACKAGES, null); 15858 synchronized (mPackages) { 15859 PackageSetting ps = mSettings.mPackages.get(packageName); 15860 if (ps == null) { 15861 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15862 return false; 15863 } 15864 if (!ps.getInstalled(userId)) { 15865 // Can't block uninstall for an app that is not installed or enabled. 15866 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15867 return false; 15868 } 15869 ps.setBlockUninstall(blockUninstall, userId); 15870 mSettings.writePackageRestrictionsLPr(userId); 15871 } 15872 return true; 15873 } 15874 15875 @Override 15876 public boolean getBlockUninstallForUser(String packageName, int userId) { 15877 synchronized (mPackages) { 15878 PackageSetting ps = mSettings.mPackages.get(packageName); 15879 if (ps == null) { 15880 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15881 return false; 15882 } 15883 return ps.getBlockUninstall(userId); 15884 } 15885 } 15886 15887 @Override 15888 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15889 int callingUid = Binder.getCallingUid(); 15890 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15891 throw new SecurityException( 15892 "setRequiredForSystemUser can only be run by the system or root"); 15893 } 15894 synchronized (mPackages) { 15895 PackageSetting ps = mSettings.mPackages.get(packageName); 15896 if (ps == null) { 15897 Log.w(TAG, "Package doesn't exist: " + packageName); 15898 return false; 15899 } 15900 if (systemUserApp) { 15901 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15902 } else { 15903 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15904 } 15905 mSettings.writeLPr(); 15906 } 15907 return true; 15908 } 15909 15910 /* 15911 * This method handles package deletion in general 15912 */ 15913 private boolean deletePackageLIF(String packageName, UserHandle user, 15914 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15915 PackageRemovedInfo outInfo, boolean writeSettings, 15916 PackageParser.Package replacingPackage) { 15917 if (packageName == null) { 15918 Slog.w(TAG, "Attempt to delete null packageName."); 15919 return false; 15920 } 15921 15922 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15923 15924 PackageSetting ps; 15925 15926 synchronized (mPackages) { 15927 ps = mSettings.mPackages.get(packageName); 15928 if (ps == null) { 15929 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15930 return false; 15931 } 15932 15933 if (ps.parentPackageName != null && (!isSystemApp(ps) 15934 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15935 if (DEBUG_REMOVE) { 15936 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15937 + ((user == null) ? UserHandle.USER_ALL : user)); 15938 } 15939 final int removedUserId = (user != null) ? user.getIdentifier() 15940 : UserHandle.USER_ALL; 15941 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15942 return false; 15943 } 15944 markPackageUninstalledForUserLPw(ps, user); 15945 scheduleWritePackageRestrictionsLocked(user); 15946 return true; 15947 } 15948 } 15949 15950 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15951 && user.getIdentifier() != UserHandle.USER_ALL)) { 15952 // The caller is asking that the package only be deleted for a single 15953 // user. To do this, we just mark its uninstalled state and delete 15954 // its data. If this is a system app, we only allow this to happen if 15955 // they have set the special DELETE_SYSTEM_APP which requests different 15956 // semantics than normal for uninstalling system apps. 15957 markPackageUninstalledForUserLPw(ps, user); 15958 15959 if (!isSystemApp(ps)) { 15960 // Do not uninstall the APK if an app should be cached 15961 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15962 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15963 // Other user still have this package installed, so all 15964 // we need to do is clear this user's data and save that 15965 // it is uninstalled. 15966 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15967 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15968 return false; 15969 } 15970 scheduleWritePackageRestrictionsLocked(user); 15971 return true; 15972 } else { 15973 // We need to set it back to 'installed' so the uninstall 15974 // broadcasts will be sent correctly. 15975 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15976 ps.setInstalled(true, user.getIdentifier()); 15977 } 15978 } else { 15979 // This is a system app, so we assume that the 15980 // other users still have this package installed, so all 15981 // we need to do is clear this user's data and save that 15982 // it is uninstalled. 15983 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15984 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15985 return false; 15986 } 15987 scheduleWritePackageRestrictionsLocked(user); 15988 return true; 15989 } 15990 } 15991 15992 // If we are deleting a composite package for all users, keep track 15993 // of result for each child. 15994 if (ps.childPackageNames != null && outInfo != null) { 15995 synchronized (mPackages) { 15996 final int childCount = ps.childPackageNames.size(); 15997 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15998 for (int i = 0; i < childCount; i++) { 15999 String childPackageName = ps.childPackageNames.get(i); 16000 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16001 childInfo.removedPackage = childPackageName; 16002 outInfo.removedChildPackages.put(childPackageName, childInfo); 16003 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16004 if (childPs != null) { 16005 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16006 } 16007 } 16008 } 16009 } 16010 16011 boolean ret = false; 16012 if (isSystemApp(ps)) { 16013 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16014 // When an updated system application is deleted we delete the existing resources 16015 // as well and fall back to existing code in system partition 16016 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16017 } else { 16018 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16019 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16020 outInfo, writeSettings, replacingPackage); 16021 } 16022 16023 // Take a note whether we deleted the package for all users 16024 if (outInfo != null) { 16025 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16026 if (outInfo.removedChildPackages != null) { 16027 synchronized (mPackages) { 16028 final int childCount = outInfo.removedChildPackages.size(); 16029 for (int i = 0; i < childCount; i++) { 16030 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16031 if (childInfo != null) { 16032 childInfo.removedForAllUsers = mPackages.get( 16033 childInfo.removedPackage) == null; 16034 } 16035 } 16036 } 16037 } 16038 // If we uninstalled an update to a system app there may be some 16039 // child packages that appeared as they are declared in the system 16040 // app but were not declared in the update. 16041 if (isSystemApp(ps)) { 16042 synchronized (mPackages) { 16043 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16044 final int childCount = (updatedPs.childPackageNames != null) 16045 ? updatedPs.childPackageNames.size() : 0; 16046 for (int i = 0; i < childCount; i++) { 16047 String childPackageName = updatedPs.childPackageNames.get(i); 16048 if (outInfo.removedChildPackages == null 16049 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16050 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16051 if (childPs == null) { 16052 continue; 16053 } 16054 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16055 installRes.name = childPackageName; 16056 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16057 installRes.pkg = mPackages.get(childPackageName); 16058 installRes.uid = childPs.pkg.applicationInfo.uid; 16059 if (outInfo.appearedChildPackages == null) { 16060 outInfo.appearedChildPackages = new ArrayMap<>(); 16061 } 16062 outInfo.appearedChildPackages.put(childPackageName, installRes); 16063 } 16064 } 16065 } 16066 } 16067 } 16068 16069 return ret; 16070 } 16071 16072 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16073 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16074 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16075 for (int nextUserId : userIds) { 16076 if (DEBUG_REMOVE) { 16077 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16078 } 16079 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16080 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16081 false /*hidden*/, false /*suspended*/, null, null, null, 16082 false /*blockUninstall*/, 16083 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16084 } 16085 } 16086 16087 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16088 PackageRemovedInfo outInfo) { 16089 final PackageParser.Package pkg; 16090 synchronized (mPackages) { 16091 pkg = mPackages.get(ps.name); 16092 } 16093 16094 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16095 : new int[] {userId}; 16096 for (int nextUserId : userIds) { 16097 if (DEBUG_REMOVE) { 16098 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16099 + nextUserId); 16100 } 16101 16102 destroyAppDataLIF(pkg, userId, 16103 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16104 destroyAppProfilesLIF(pkg, userId); 16105 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16106 schedulePackageCleaning(ps.name, nextUserId, false); 16107 synchronized (mPackages) { 16108 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16109 scheduleWritePackageRestrictionsLocked(nextUserId); 16110 } 16111 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16112 } 16113 } 16114 16115 if (outInfo != null) { 16116 outInfo.removedPackage = ps.name; 16117 outInfo.removedAppId = ps.appId; 16118 outInfo.removedUsers = userIds; 16119 } 16120 16121 return true; 16122 } 16123 16124 private final class ClearStorageConnection implements ServiceConnection { 16125 IMediaContainerService mContainerService; 16126 16127 @Override 16128 public void onServiceConnected(ComponentName name, IBinder service) { 16129 synchronized (this) { 16130 mContainerService = IMediaContainerService.Stub.asInterface(service); 16131 notifyAll(); 16132 } 16133 } 16134 16135 @Override 16136 public void onServiceDisconnected(ComponentName name) { 16137 } 16138 } 16139 16140 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16141 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16142 16143 final boolean mounted; 16144 if (Environment.isExternalStorageEmulated()) { 16145 mounted = true; 16146 } else { 16147 final String status = Environment.getExternalStorageState(); 16148 16149 mounted = status.equals(Environment.MEDIA_MOUNTED) 16150 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16151 } 16152 16153 if (!mounted) { 16154 return; 16155 } 16156 16157 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16158 int[] users; 16159 if (userId == UserHandle.USER_ALL) { 16160 users = sUserManager.getUserIds(); 16161 } else { 16162 users = new int[] { userId }; 16163 } 16164 final ClearStorageConnection conn = new ClearStorageConnection(); 16165 if (mContext.bindServiceAsUser( 16166 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16167 try { 16168 for (int curUser : users) { 16169 long timeout = SystemClock.uptimeMillis() + 5000; 16170 synchronized (conn) { 16171 long now = SystemClock.uptimeMillis(); 16172 while (conn.mContainerService == null && now < timeout) { 16173 try { 16174 conn.wait(timeout - now); 16175 } catch (InterruptedException e) { 16176 } 16177 } 16178 } 16179 if (conn.mContainerService == null) { 16180 return; 16181 } 16182 16183 final UserEnvironment userEnv = new UserEnvironment(curUser); 16184 clearDirectory(conn.mContainerService, 16185 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16186 if (allData) { 16187 clearDirectory(conn.mContainerService, 16188 userEnv.buildExternalStorageAppDataDirs(packageName)); 16189 clearDirectory(conn.mContainerService, 16190 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16191 } 16192 } 16193 } finally { 16194 mContext.unbindService(conn); 16195 } 16196 } 16197 } 16198 16199 @Override 16200 public void clearApplicationProfileData(String packageName) { 16201 enforceSystemOrRoot("Only the system can clear all profile data"); 16202 16203 final PackageParser.Package pkg; 16204 synchronized (mPackages) { 16205 pkg = mPackages.get(packageName); 16206 } 16207 16208 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16209 synchronized (mInstallLock) { 16210 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16211 } 16212 } 16213 } 16214 16215 @Override 16216 public void clearApplicationUserData(final String packageName, 16217 final IPackageDataObserver observer, final int userId) { 16218 mContext.enforceCallingOrSelfPermission( 16219 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16220 16221 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16222 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16223 16224 final DevicePolicyManagerInternal dpmi = LocalServices 16225 .getService(DevicePolicyManagerInternal.class); 16226 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 16227 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 16228 } 16229 // Queue up an async operation since the package deletion may take a little while. 16230 mHandler.post(new Runnable() { 16231 public void run() { 16232 mHandler.removeCallbacks(this); 16233 final boolean succeeded; 16234 try (PackageFreezer freezer = freezePackage(packageName, 16235 "clearApplicationUserData")) { 16236 synchronized (mInstallLock) { 16237 succeeded = clearApplicationUserDataLIF(packageName, userId); 16238 } 16239 clearExternalStorageDataSync(packageName, userId, true); 16240 } 16241 if (succeeded) { 16242 // invoke DeviceStorageMonitor's update method to clear any notifications 16243 DeviceStorageMonitorInternal dsm = LocalServices 16244 .getService(DeviceStorageMonitorInternal.class); 16245 if (dsm != null) { 16246 dsm.checkMemory(); 16247 } 16248 } 16249 if(observer != null) { 16250 try { 16251 observer.onRemoveCompleted(packageName, succeeded); 16252 } catch (RemoteException e) { 16253 Log.i(TAG, "Observer no longer exists."); 16254 } 16255 } //end if observer 16256 } //end run 16257 }); 16258 } 16259 16260 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16261 if (packageName == null) { 16262 Slog.w(TAG, "Attempt to delete null packageName."); 16263 return false; 16264 } 16265 16266 // Try finding details about the requested package 16267 PackageParser.Package pkg; 16268 synchronized (mPackages) { 16269 pkg = mPackages.get(packageName); 16270 if (pkg == null) { 16271 final PackageSetting ps = mSettings.mPackages.get(packageName); 16272 if (ps != null) { 16273 pkg = ps.pkg; 16274 } 16275 } 16276 16277 if (pkg == null) { 16278 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16279 return false; 16280 } 16281 16282 PackageSetting ps = (PackageSetting) pkg.mExtras; 16283 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16284 } 16285 16286 clearAppDataLIF(pkg, userId, 16287 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16288 16289 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16290 removeKeystoreDataIfNeeded(userId, appId); 16291 16292 UserManagerInternal umInternal = getUserManagerInternal(); 16293 final int flags; 16294 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16295 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16296 } else if (umInternal.isUserRunning(userId)) { 16297 flags = StorageManager.FLAG_STORAGE_DE; 16298 } else { 16299 flags = 0; 16300 } 16301 prepareAppDataContentsLIF(pkg, userId, flags); 16302 16303 return true; 16304 } 16305 16306 /** 16307 * Reverts user permission state changes (permissions and flags) in 16308 * all packages for a given user. 16309 * 16310 * @param userId The device user for which to do a reset. 16311 */ 16312 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16313 final int packageCount = mPackages.size(); 16314 for (int i = 0; i < packageCount; i++) { 16315 PackageParser.Package pkg = mPackages.valueAt(i); 16316 PackageSetting ps = (PackageSetting) pkg.mExtras; 16317 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16318 } 16319 } 16320 16321 private void resetNetworkPolicies(int userId) { 16322 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16323 } 16324 16325 /** 16326 * Reverts user permission state changes (permissions and flags). 16327 * 16328 * @param ps The package for which to reset. 16329 * @param userId The device user for which to do a reset. 16330 */ 16331 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16332 final PackageSetting ps, final int userId) { 16333 if (ps.pkg == null) { 16334 return; 16335 } 16336 16337 // These are flags that can change base on user actions. 16338 final int userSettableMask = FLAG_PERMISSION_USER_SET 16339 | FLAG_PERMISSION_USER_FIXED 16340 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16341 | FLAG_PERMISSION_REVIEW_REQUIRED; 16342 16343 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16344 | FLAG_PERMISSION_POLICY_FIXED; 16345 16346 boolean writeInstallPermissions = false; 16347 boolean writeRuntimePermissions = false; 16348 16349 final int permissionCount = ps.pkg.requestedPermissions.size(); 16350 for (int i = 0; i < permissionCount; i++) { 16351 String permission = ps.pkg.requestedPermissions.get(i); 16352 16353 BasePermission bp = mSettings.mPermissions.get(permission); 16354 if (bp == null) { 16355 continue; 16356 } 16357 16358 // If shared user we just reset the state to which only this app contributed. 16359 if (ps.sharedUser != null) { 16360 boolean used = false; 16361 final int packageCount = ps.sharedUser.packages.size(); 16362 for (int j = 0; j < packageCount; j++) { 16363 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16364 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16365 && pkg.pkg.requestedPermissions.contains(permission)) { 16366 used = true; 16367 break; 16368 } 16369 } 16370 if (used) { 16371 continue; 16372 } 16373 } 16374 16375 PermissionsState permissionsState = ps.getPermissionsState(); 16376 16377 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16378 16379 // Always clear the user settable flags. 16380 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16381 bp.name) != null; 16382 // If permission review is enabled and this is a legacy app, mark the 16383 // permission as requiring a review as this is the initial state. 16384 int flags = 0; 16385 if (Build.PERMISSIONS_REVIEW_REQUIRED 16386 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16387 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16388 } 16389 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16390 if (hasInstallState) { 16391 writeInstallPermissions = true; 16392 } else { 16393 writeRuntimePermissions = true; 16394 } 16395 } 16396 16397 // Below is only runtime permission handling. 16398 if (!bp.isRuntime()) { 16399 continue; 16400 } 16401 16402 // Never clobber system or policy. 16403 if ((oldFlags & policyOrSystemFlags) != 0) { 16404 continue; 16405 } 16406 16407 // If this permission was granted by default, make sure it is. 16408 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16409 if (permissionsState.grantRuntimePermission(bp, userId) 16410 != PERMISSION_OPERATION_FAILURE) { 16411 writeRuntimePermissions = true; 16412 } 16413 // If permission review is enabled the permissions for a legacy apps 16414 // are represented as constantly granted runtime ones, so don't revoke. 16415 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16416 // Otherwise, reset the permission. 16417 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16418 switch (revokeResult) { 16419 case PERMISSION_OPERATION_SUCCESS: 16420 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16421 writeRuntimePermissions = true; 16422 final int appId = ps.appId; 16423 mHandler.post(new Runnable() { 16424 @Override 16425 public void run() { 16426 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16427 } 16428 }); 16429 } break; 16430 } 16431 } 16432 } 16433 16434 // Synchronously write as we are taking permissions away. 16435 if (writeRuntimePermissions) { 16436 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16437 } 16438 16439 // Synchronously write as we are taking permissions away. 16440 if (writeInstallPermissions) { 16441 mSettings.writeLPr(); 16442 } 16443 } 16444 16445 /** 16446 * Remove entries from the keystore daemon. Will only remove it if the 16447 * {@code appId} is valid. 16448 */ 16449 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16450 if (appId < 0) { 16451 return; 16452 } 16453 16454 final KeyStore keyStore = KeyStore.getInstance(); 16455 if (keyStore != null) { 16456 if (userId == UserHandle.USER_ALL) { 16457 for (final int individual : sUserManager.getUserIds()) { 16458 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16459 } 16460 } else { 16461 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16462 } 16463 } else { 16464 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16465 } 16466 } 16467 16468 @Override 16469 public void deleteApplicationCacheFiles(final String packageName, 16470 final IPackageDataObserver observer) { 16471 final int userId = UserHandle.getCallingUserId(); 16472 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16473 } 16474 16475 @Override 16476 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16477 final IPackageDataObserver observer) { 16478 mContext.enforceCallingOrSelfPermission( 16479 android.Manifest.permission.DELETE_CACHE_FILES, null); 16480 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16481 /* requireFullPermission= */ true, /* checkShell= */ false, 16482 "delete application cache files"); 16483 16484 final PackageParser.Package pkg; 16485 synchronized (mPackages) { 16486 pkg = mPackages.get(packageName); 16487 } 16488 16489 // Queue up an async operation since the package deletion may take a little while. 16490 mHandler.post(new Runnable() { 16491 public void run() { 16492 synchronized (mInstallLock) { 16493 final int flags = StorageManager.FLAG_STORAGE_DE 16494 | StorageManager.FLAG_STORAGE_CE; 16495 // We're only clearing cache files, so we don't care if the 16496 // app is unfrozen and still able to run 16497 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16498 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16499 } 16500 clearExternalStorageDataSync(packageName, userId, false); 16501 if (observer != null) { 16502 try { 16503 observer.onRemoveCompleted(packageName, true); 16504 } catch (RemoteException e) { 16505 Log.i(TAG, "Observer no longer exists."); 16506 } 16507 } 16508 } 16509 }); 16510 } 16511 16512 @Override 16513 public void getPackageSizeInfo(final String packageName, int userHandle, 16514 final IPackageStatsObserver observer) { 16515 mContext.enforceCallingOrSelfPermission( 16516 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16517 if (packageName == null) { 16518 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16519 } 16520 16521 PackageStats stats = new PackageStats(packageName, userHandle); 16522 16523 /* 16524 * Queue up an async operation since the package measurement may take a 16525 * little while. 16526 */ 16527 Message msg = mHandler.obtainMessage(INIT_COPY); 16528 msg.obj = new MeasureParams(stats, observer); 16529 mHandler.sendMessage(msg); 16530 } 16531 16532 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16533 final PackageSetting ps; 16534 synchronized (mPackages) { 16535 ps = mSettings.mPackages.get(packageName); 16536 if (ps == null) { 16537 Slog.w(TAG, "Failed to find settings for " + packageName); 16538 return false; 16539 } 16540 } 16541 try { 16542 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16543 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16544 ps.getCeDataInode(userId), ps.codePathString, stats); 16545 } catch (InstallerException e) { 16546 Slog.w(TAG, String.valueOf(e)); 16547 return false; 16548 } 16549 16550 // For now, ignore code size of packages on system partition 16551 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16552 stats.codeSize = 0; 16553 } 16554 16555 return true; 16556 } 16557 16558 private int getUidTargetSdkVersionLockedLPr(int uid) { 16559 Object obj = mSettings.getUserIdLPr(uid); 16560 if (obj instanceof SharedUserSetting) { 16561 final SharedUserSetting sus = (SharedUserSetting) obj; 16562 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16563 final Iterator<PackageSetting> it = sus.packages.iterator(); 16564 while (it.hasNext()) { 16565 final PackageSetting ps = it.next(); 16566 if (ps.pkg != null) { 16567 int v = ps.pkg.applicationInfo.targetSdkVersion; 16568 if (v < vers) vers = v; 16569 } 16570 } 16571 return vers; 16572 } else if (obj instanceof PackageSetting) { 16573 final PackageSetting ps = (PackageSetting) obj; 16574 if (ps.pkg != null) { 16575 return ps.pkg.applicationInfo.targetSdkVersion; 16576 } 16577 } 16578 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16579 } 16580 16581 @Override 16582 public void addPreferredActivity(IntentFilter filter, int match, 16583 ComponentName[] set, ComponentName activity, int userId) { 16584 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16585 "Adding preferred"); 16586 } 16587 16588 private void addPreferredActivityInternal(IntentFilter filter, int match, 16589 ComponentName[] set, ComponentName activity, boolean always, int userId, 16590 String opname) { 16591 // writer 16592 int callingUid = Binder.getCallingUid(); 16593 enforceCrossUserPermission(callingUid, userId, 16594 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16595 if (filter.countActions() == 0) { 16596 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16597 return; 16598 } 16599 synchronized (mPackages) { 16600 if (mContext.checkCallingOrSelfPermission( 16601 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16602 != PackageManager.PERMISSION_GRANTED) { 16603 if (getUidTargetSdkVersionLockedLPr(callingUid) 16604 < Build.VERSION_CODES.FROYO) { 16605 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16606 + callingUid); 16607 return; 16608 } 16609 mContext.enforceCallingOrSelfPermission( 16610 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16611 } 16612 16613 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16614 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16615 + userId + ":"); 16616 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16617 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16618 scheduleWritePackageRestrictionsLocked(userId); 16619 } 16620 } 16621 16622 @Override 16623 public void replacePreferredActivity(IntentFilter filter, int match, 16624 ComponentName[] set, ComponentName activity, int userId) { 16625 if (filter.countActions() != 1) { 16626 throw new IllegalArgumentException( 16627 "replacePreferredActivity expects filter to have only 1 action."); 16628 } 16629 if (filter.countDataAuthorities() != 0 16630 || filter.countDataPaths() != 0 16631 || filter.countDataSchemes() > 1 16632 || filter.countDataTypes() != 0) { 16633 throw new IllegalArgumentException( 16634 "replacePreferredActivity expects filter to have no data authorities, " + 16635 "paths, or types; and at most one scheme."); 16636 } 16637 16638 final int callingUid = Binder.getCallingUid(); 16639 enforceCrossUserPermission(callingUid, userId, 16640 true /* requireFullPermission */, false /* checkShell */, 16641 "replace preferred activity"); 16642 synchronized (mPackages) { 16643 if (mContext.checkCallingOrSelfPermission( 16644 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16645 != PackageManager.PERMISSION_GRANTED) { 16646 if (getUidTargetSdkVersionLockedLPr(callingUid) 16647 < Build.VERSION_CODES.FROYO) { 16648 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16649 + Binder.getCallingUid()); 16650 return; 16651 } 16652 mContext.enforceCallingOrSelfPermission( 16653 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16654 } 16655 16656 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16657 if (pir != null) { 16658 // Get all of the existing entries that exactly match this filter. 16659 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16660 if (existing != null && existing.size() == 1) { 16661 PreferredActivity cur = existing.get(0); 16662 if (DEBUG_PREFERRED) { 16663 Slog.i(TAG, "Checking replace of preferred:"); 16664 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16665 if (!cur.mPref.mAlways) { 16666 Slog.i(TAG, " -- CUR; not mAlways!"); 16667 } else { 16668 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16669 Slog.i(TAG, " -- CUR: mSet=" 16670 + Arrays.toString(cur.mPref.mSetComponents)); 16671 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16672 Slog.i(TAG, " -- NEW: mMatch=" 16673 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16674 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16675 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16676 } 16677 } 16678 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16679 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16680 && cur.mPref.sameSet(set)) { 16681 // Setting the preferred activity to what it happens to be already 16682 if (DEBUG_PREFERRED) { 16683 Slog.i(TAG, "Replacing with same preferred activity " 16684 + cur.mPref.mShortComponent + " for user " 16685 + userId + ":"); 16686 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16687 } 16688 return; 16689 } 16690 } 16691 16692 if (existing != null) { 16693 if (DEBUG_PREFERRED) { 16694 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16695 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16696 } 16697 for (int i = 0; i < existing.size(); i++) { 16698 PreferredActivity pa = existing.get(i); 16699 if (DEBUG_PREFERRED) { 16700 Slog.i(TAG, "Removing existing preferred activity " 16701 + pa.mPref.mComponent + ":"); 16702 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16703 } 16704 pir.removeFilter(pa); 16705 } 16706 } 16707 } 16708 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16709 "Replacing preferred"); 16710 } 16711 } 16712 16713 @Override 16714 public void clearPackagePreferredActivities(String packageName) { 16715 final int uid = Binder.getCallingUid(); 16716 // writer 16717 synchronized (mPackages) { 16718 PackageParser.Package pkg = mPackages.get(packageName); 16719 if (pkg == null || pkg.applicationInfo.uid != uid) { 16720 if (mContext.checkCallingOrSelfPermission( 16721 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16722 != PackageManager.PERMISSION_GRANTED) { 16723 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16724 < Build.VERSION_CODES.FROYO) { 16725 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16726 + Binder.getCallingUid()); 16727 return; 16728 } 16729 mContext.enforceCallingOrSelfPermission( 16730 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16731 } 16732 } 16733 16734 int user = UserHandle.getCallingUserId(); 16735 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16736 scheduleWritePackageRestrictionsLocked(user); 16737 } 16738 } 16739 } 16740 16741 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16742 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16743 ArrayList<PreferredActivity> removed = null; 16744 boolean changed = false; 16745 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16746 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16747 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16748 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16749 continue; 16750 } 16751 Iterator<PreferredActivity> it = pir.filterIterator(); 16752 while (it.hasNext()) { 16753 PreferredActivity pa = it.next(); 16754 // Mark entry for removal only if it matches the package name 16755 // and the entry is of type "always". 16756 if (packageName == null || 16757 (pa.mPref.mComponent.getPackageName().equals(packageName) 16758 && pa.mPref.mAlways)) { 16759 if (removed == null) { 16760 removed = new ArrayList<PreferredActivity>(); 16761 } 16762 removed.add(pa); 16763 } 16764 } 16765 if (removed != null) { 16766 for (int j=0; j<removed.size(); j++) { 16767 PreferredActivity pa = removed.get(j); 16768 pir.removeFilter(pa); 16769 } 16770 changed = true; 16771 } 16772 } 16773 return changed; 16774 } 16775 16776 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16777 private void clearIntentFilterVerificationsLPw(int userId) { 16778 final int packageCount = mPackages.size(); 16779 for (int i = 0; i < packageCount; i++) { 16780 PackageParser.Package pkg = mPackages.valueAt(i); 16781 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16782 } 16783 } 16784 16785 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16786 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16787 if (userId == UserHandle.USER_ALL) { 16788 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16789 sUserManager.getUserIds())) { 16790 for (int oneUserId : sUserManager.getUserIds()) { 16791 scheduleWritePackageRestrictionsLocked(oneUserId); 16792 } 16793 } 16794 } else { 16795 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16796 scheduleWritePackageRestrictionsLocked(userId); 16797 } 16798 } 16799 } 16800 16801 void clearDefaultBrowserIfNeeded(String packageName) { 16802 for (int oneUserId : sUserManager.getUserIds()) { 16803 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16804 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16805 if (packageName.equals(defaultBrowserPackageName)) { 16806 setDefaultBrowserPackageName(null, oneUserId); 16807 } 16808 } 16809 } 16810 16811 @Override 16812 public void resetApplicationPreferences(int userId) { 16813 mContext.enforceCallingOrSelfPermission( 16814 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16815 final long identity = Binder.clearCallingIdentity(); 16816 // writer 16817 try { 16818 synchronized (mPackages) { 16819 clearPackagePreferredActivitiesLPw(null, userId); 16820 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16821 // TODO: We have to reset the default SMS and Phone. This requires 16822 // significant refactoring to keep all default apps in the package 16823 // manager (cleaner but more work) or have the services provide 16824 // callbacks to the package manager to request a default app reset. 16825 applyFactoryDefaultBrowserLPw(userId); 16826 clearIntentFilterVerificationsLPw(userId); 16827 primeDomainVerificationsLPw(userId); 16828 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16829 scheduleWritePackageRestrictionsLocked(userId); 16830 } 16831 resetNetworkPolicies(userId); 16832 } finally { 16833 Binder.restoreCallingIdentity(identity); 16834 } 16835 } 16836 16837 @Override 16838 public int getPreferredActivities(List<IntentFilter> outFilters, 16839 List<ComponentName> outActivities, String packageName) { 16840 16841 int num = 0; 16842 final int userId = UserHandle.getCallingUserId(); 16843 // reader 16844 synchronized (mPackages) { 16845 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16846 if (pir != null) { 16847 final Iterator<PreferredActivity> it = pir.filterIterator(); 16848 while (it.hasNext()) { 16849 final PreferredActivity pa = it.next(); 16850 if (packageName == null 16851 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16852 && pa.mPref.mAlways)) { 16853 if (outFilters != null) { 16854 outFilters.add(new IntentFilter(pa)); 16855 } 16856 if (outActivities != null) { 16857 outActivities.add(pa.mPref.mComponent); 16858 } 16859 } 16860 } 16861 } 16862 } 16863 16864 return num; 16865 } 16866 16867 @Override 16868 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16869 int userId) { 16870 int callingUid = Binder.getCallingUid(); 16871 if (callingUid != Process.SYSTEM_UID) { 16872 throw new SecurityException( 16873 "addPersistentPreferredActivity can only be run by the system"); 16874 } 16875 if (filter.countActions() == 0) { 16876 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16877 return; 16878 } 16879 synchronized (mPackages) { 16880 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16881 ":"); 16882 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16883 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16884 new PersistentPreferredActivity(filter, activity)); 16885 scheduleWritePackageRestrictionsLocked(userId); 16886 } 16887 } 16888 16889 @Override 16890 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16891 int callingUid = Binder.getCallingUid(); 16892 if (callingUid != Process.SYSTEM_UID) { 16893 throw new SecurityException( 16894 "clearPackagePersistentPreferredActivities can only be run by the system"); 16895 } 16896 ArrayList<PersistentPreferredActivity> removed = null; 16897 boolean changed = false; 16898 synchronized (mPackages) { 16899 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16900 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16901 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16902 .valueAt(i); 16903 if (userId != thisUserId) { 16904 continue; 16905 } 16906 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16907 while (it.hasNext()) { 16908 PersistentPreferredActivity ppa = it.next(); 16909 // Mark entry for removal only if it matches the package name. 16910 if (ppa.mComponent.getPackageName().equals(packageName)) { 16911 if (removed == null) { 16912 removed = new ArrayList<PersistentPreferredActivity>(); 16913 } 16914 removed.add(ppa); 16915 } 16916 } 16917 if (removed != null) { 16918 for (int j=0; j<removed.size(); j++) { 16919 PersistentPreferredActivity ppa = removed.get(j); 16920 ppir.removeFilter(ppa); 16921 } 16922 changed = true; 16923 } 16924 } 16925 16926 if (changed) { 16927 scheduleWritePackageRestrictionsLocked(userId); 16928 } 16929 } 16930 } 16931 16932 /** 16933 * Common machinery for picking apart a restored XML blob and passing 16934 * it to a caller-supplied functor to be applied to the running system. 16935 */ 16936 private void restoreFromXml(XmlPullParser parser, int userId, 16937 String expectedStartTag, BlobXmlRestorer functor) 16938 throws IOException, XmlPullParserException { 16939 int type; 16940 while ((type = parser.next()) != XmlPullParser.START_TAG 16941 && type != XmlPullParser.END_DOCUMENT) { 16942 } 16943 if (type != XmlPullParser.START_TAG) { 16944 // oops didn't find a start tag?! 16945 if (DEBUG_BACKUP) { 16946 Slog.e(TAG, "Didn't find start tag during restore"); 16947 } 16948 return; 16949 } 16950Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16951 // this is supposed to be TAG_PREFERRED_BACKUP 16952 if (!expectedStartTag.equals(parser.getName())) { 16953 if (DEBUG_BACKUP) { 16954 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16955 } 16956 return; 16957 } 16958 16959 // skip interfering stuff, then we're aligned with the backing implementation 16960 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16961Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16962 functor.apply(parser, userId); 16963 } 16964 16965 private interface BlobXmlRestorer { 16966 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16967 } 16968 16969 /** 16970 * Non-Binder method, support for the backup/restore mechanism: write the 16971 * full set of preferred activities in its canonical XML format. Returns the 16972 * XML output as a byte array, or null if there is none. 16973 */ 16974 @Override 16975 public byte[] getPreferredActivityBackup(int userId) { 16976 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16977 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16978 } 16979 16980 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16981 try { 16982 final XmlSerializer serializer = new FastXmlSerializer(); 16983 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16984 serializer.startDocument(null, true); 16985 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16986 16987 synchronized (mPackages) { 16988 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16989 } 16990 16991 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16992 serializer.endDocument(); 16993 serializer.flush(); 16994 } catch (Exception e) { 16995 if (DEBUG_BACKUP) { 16996 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16997 } 16998 return null; 16999 } 17000 17001 return dataStream.toByteArray(); 17002 } 17003 17004 @Override 17005 public void restorePreferredActivities(byte[] backup, int userId) { 17006 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17007 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17008 } 17009 17010 try { 17011 final XmlPullParser parser = Xml.newPullParser(); 17012 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17013 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17014 new BlobXmlRestorer() { 17015 @Override 17016 public void apply(XmlPullParser parser, int userId) 17017 throws XmlPullParserException, IOException { 17018 synchronized (mPackages) { 17019 mSettings.readPreferredActivitiesLPw(parser, userId); 17020 } 17021 } 17022 } ); 17023 } catch (Exception e) { 17024 if (DEBUG_BACKUP) { 17025 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17026 } 17027 } 17028 } 17029 17030 /** 17031 * Non-Binder method, support for the backup/restore mechanism: write the 17032 * default browser (etc) settings in its canonical XML format. Returns the default 17033 * browser XML representation as a byte array, or null if there is none. 17034 */ 17035 @Override 17036 public byte[] getDefaultAppsBackup(int userId) { 17037 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17038 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17039 } 17040 17041 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17042 try { 17043 final XmlSerializer serializer = new FastXmlSerializer(); 17044 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17045 serializer.startDocument(null, true); 17046 serializer.startTag(null, TAG_DEFAULT_APPS); 17047 17048 synchronized (mPackages) { 17049 mSettings.writeDefaultAppsLPr(serializer, userId); 17050 } 17051 17052 serializer.endTag(null, TAG_DEFAULT_APPS); 17053 serializer.endDocument(); 17054 serializer.flush(); 17055 } catch (Exception e) { 17056 if (DEBUG_BACKUP) { 17057 Slog.e(TAG, "Unable to write default apps for backup", e); 17058 } 17059 return null; 17060 } 17061 17062 return dataStream.toByteArray(); 17063 } 17064 17065 @Override 17066 public void restoreDefaultApps(byte[] backup, int userId) { 17067 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17068 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17069 } 17070 17071 try { 17072 final XmlPullParser parser = Xml.newPullParser(); 17073 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17074 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17075 new BlobXmlRestorer() { 17076 @Override 17077 public void apply(XmlPullParser parser, int userId) 17078 throws XmlPullParserException, IOException { 17079 synchronized (mPackages) { 17080 mSettings.readDefaultAppsLPw(parser, userId); 17081 } 17082 } 17083 } ); 17084 } catch (Exception e) { 17085 if (DEBUG_BACKUP) { 17086 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17087 } 17088 } 17089 } 17090 17091 @Override 17092 public byte[] getIntentFilterVerificationBackup(int userId) { 17093 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17094 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17095 } 17096 17097 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17098 try { 17099 final XmlSerializer serializer = new FastXmlSerializer(); 17100 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17101 serializer.startDocument(null, true); 17102 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17103 17104 synchronized (mPackages) { 17105 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17106 } 17107 17108 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17109 serializer.endDocument(); 17110 serializer.flush(); 17111 } catch (Exception e) { 17112 if (DEBUG_BACKUP) { 17113 Slog.e(TAG, "Unable to write default apps for backup", e); 17114 } 17115 return null; 17116 } 17117 17118 return dataStream.toByteArray(); 17119 } 17120 17121 @Override 17122 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17123 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17124 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17125 } 17126 17127 try { 17128 final XmlPullParser parser = Xml.newPullParser(); 17129 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17130 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17131 new BlobXmlRestorer() { 17132 @Override 17133 public void apply(XmlPullParser parser, int userId) 17134 throws XmlPullParserException, IOException { 17135 synchronized (mPackages) { 17136 mSettings.readAllDomainVerificationsLPr(parser, userId); 17137 mSettings.writeLPr(); 17138 } 17139 } 17140 } ); 17141 } catch (Exception e) { 17142 if (DEBUG_BACKUP) { 17143 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17144 } 17145 } 17146 } 17147 17148 @Override 17149 public byte[] getPermissionGrantBackup(int userId) { 17150 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17151 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17152 } 17153 17154 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17155 try { 17156 final XmlSerializer serializer = new FastXmlSerializer(); 17157 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17158 serializer.startDocument(null, true); 17159 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17160 17161 synchronized (mPackages) { 17162 serializeRuntimePermissionGrantsLPr(serializer, userId); 17163 } 17164 17165 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17166 serializer.endDocument(); 17167 serializer.flush(); 17168 } catch (Exception e) { 17169 if (DEBUG_BACKUP) { 17170 Slog.e(TAG, "Unable to write default apps for backup", e); 17171 } 17172 return null; 17173 } 17174 17175 return dataStream.toByteArray(); 17176 } 17177 17178 @Override 17179 public void restorePermissionGrants(byte[] backup, int userId) { 17180 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17181 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17182 } 17183 17184 try { 17185 final XmlPullParser parser = Xml.newPullParser(); 17186 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17187 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17188 new BlobXmlRestorer() { 17189 @Override 17190 public void apply(XmlPullParser parser, int userId) 17191 throws XmlPullParserException, IOException { 17192 synchronized (mPackages) { 17193 processRestoredPermissionGrantsLPr(parser, userId); 17194 } 17195 } 17196 } ); 17197 } catch (Exception e) { 17198 if (DEBUG_BACKUP) { 17199 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17200 } 17201 } 17202 } 17203 17204 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17205 throws IOException { 17206 serializer.startTag(null, TAG_ALL_GRANTS); 17207 17208 final int N = mSettings.mPackages.size(); 17209 for (int i = 0; i < N; i++) { 17210 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17211 boolean pkgGrantsKnown = false; 17212 17213 PermissionsState packagePerms = ps.getPermissionsState(); 17214 17215 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17216 final int grantFlags = state.getFlags(); 17217 // only look at grants that are not system/policy fixed 17218 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17219 final boolean isGranted = state.isGranted(); 17220 // And only back up the user-twiddled state bits 17221 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17222 final String packageName = mSettings.mPackages.keyAt(i); 17223 if (!pkgGrantsKnown) { 17224 serializer.startTag(null, TAG_GRANT); 17225 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17226 pkgGrantsKnown = true; 17227 } 17228 17229 final boolean userSet = 17230 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17231 final boolean userFixed = 17232 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17233 final boolean revoke = 17234 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17235 17236 serializer.startTag(null, TAG_PERMISSION); 17237 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17238 if (isGranted) { 17239 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17240 } 17241 if (userSet) { 17242 serializer.attribute(null, ATTR_USER_SET, "true"); 17243 } 17244 if (userFixed) { 17245 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17246 } 17247 if (revoke) { 17248 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17249 } 17250 serializer.endTag(null, TAG_PERMISSION); 17251 } 17252 } 17253 } 17254 17255 if (pkgGrantsKnown) { 17256 serializer.endTag(null, TAG_GRANT); 17257 } 17258 } 17259 17260 serializer.endTag(null, TAG_ALL_GRANTS); 17261 } 17262 17263 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17264 throws XmlPullParserException, IOException { 17265 String pkgName = null; 17266 int outerDepth = parser.getDepth(); 17267 int type; 17268 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17269 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17270 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17271 continue; 17272 } 17273 17274 final String tagName = parser.getName(); 17275 if (tagName.equals(TAG_GRANT)) { 17276 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17277 if (DEBUG_BACKUP) { 17278 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17279 } 17280 } else if (tagName.equals(TAG_PERMISSION)) { 17281 17282 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17283 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17284 17285 int newFlagSet = 0; 17286 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17287 newFlagSet |= FLAG_PERMISSION_USER_SET; 17288 } 17289 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17290 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17291 } 17292 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17293 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17294 } 17295 if (DEBUG_BACKUP) { 17296 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17297 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17298 } 17299 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17300 if (ps != null) { 17301 // Already installed so we apply the grant immediately 17302 if (DEBUG_BACKUP) { 17303 Slog.v(TAG, " + already installed; applying"); 17304 } 17305 PermissionsState perms = ps.getPermissionsState(); 17306 BasePermission bp = mSettings.mPermissions.get(permName); 17307 if (bp != null) { 17308 if (isGranted) { 17309 perms.grantRuntimePermission(bp, userId); 17310 } 17311 if (newFlagSet != 0) { 17312 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17313 } 17314 } 17315 } else { 17316 // Need to wait for post-restore install to apply the grant 17317 if (DEBUG_BACKUP) { 17318 Slog.v(TAG, " - not yet installed; saving for later"); 17319 } 17320 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17321 isGranted, newFlagSet, userId); 17322 } 17323 } else { 17324 PackageManagerService.reportSettingsProblem(Log.WARN, 17325 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17326 XmlUtils.skipCurrentTag(parser); 17327 } 17328 } 17329 17330 scheduleWriteSettingsLocked(); 17331 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17332 } 17333 17334 @Override 17335 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17336 int sourceUserId, int targetUserId, int flags) { 17337 mContext.enforceCallingOrSelfPermission( 17338 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17339 int callingUid = Binder.getCallingUid(); 17340 enforceOwnerRights(ownerPackage, callingUid); 17341 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17342 if (intentFilter.countActions() == 0) { 17343 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17344 return; 17345 } 17346 synchronized (mPackages) { 17347 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17348 ownerPackage, targetUserId, flags); 17349 CrossProfileIntentResolver resolver = 17350 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17351 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17352 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17353 if (existing != null) { 17354 int size = existing.size(); 17355 for (int i = 0; i < size; i++) { 17356 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17357 return; 17358 } 17359 } 17360 } 17361 resolver.addFilter(newFilter); 17362 scheduleWritePackageRestrictionsLocked(sourceUserId); 17363 } 17364 } 17365 17366 @Override 17367 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17368 mContext.enforceCallingOrSelfPermission( 17369 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17370 int callingUid = Binder.getCallingUid(); 17371 enforceOwnerRights(ownerPackage, callingUid); 17372 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17373 synchronized (mPackages) { 17374 CrossProfileIntentResolver resolver = 17375 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17376 ArraySet<CrossProfileIntentFilter> set = 17377 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17378 for (CrossProfileIntentFilter filter : set) { 17379 if (filter.getOwnerPackage().equals(ownerPackage)) { 17380 resolver.removeFilter(filter); 17381 } 17382 } 17383 scheduleWritePackageRestrictionsLocked(sourceUserId); 17384 } 17385 } 17386 17387 // Enforcing that callingUid is owning pkg on userId 17388 private void enforceOwnerRights(String pkg, int callingUid) { 17389 // The system owns everything. 17390 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17391 return; 17392 } 17393 int callingUserId = UserHandle.getUserId(callingUid); 17394 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17395 if (pi == null) { 17396 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17397 + callingUserId); 17398 } 17399 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17400 throw new SecurityException("Calling uid " + callingUid 17401 + " does not own package " + pkg); 17402 } 17403 } 17404 17405 @Override 17406 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17407 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17408 } 17409 17410 private Intent getHomeIntent() { 17411 Intent intent = new Intent(Intent.ACTION_MAIN); 17412 intent.addCategory(Intent.CATEGORY_HOME); 17413 return intent; 17414 } 17415 17416 private IntentFilter getHomeFilter() { 17417 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17418 filter.addCategory(Intent.CATEGORY_HOME); 17419 filter.addCategory(Intent.CATEGORY_DEFAULT); 17420 return filter; 17421 } 17422 17423 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17424 int userId) { 17425 Intent intent = getHomeIntent(); 17426 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17427 PackageManager.GET_META_DATA, userId); 17428 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17429 true, false, false, userId); 17430 17431 allHomeCandidates.clear(); 17432 if (list != null) { 17433 for (ResolveInfo ri : list) { 17434 allHomeCandidates.add(ri); 17435 } 17436 } 17437 return (preferred == null || preferred.activityInfo == null) 17438 ? null 17439 : new ComponentName(preferred.activityInfo.packageName, 17440 preferred.activityInfo.name); 17441 } 17442 17443 @Override 17444 public void setHomeActivity(ComponentName comp, int userId) { 17445 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17446 getHomeActivitiesAsUser(homeActivities, userId); 17447 17448 boolean found = false; 17449 17450 final int size = homeActivities.size(); 17451 final ComponentName[] set = new ComponentName[size]; 17452 for (int i = 0; i < size; i++) { 17453 final ResolveInfo candidate = homeActivities.get(i); 17454 final ActivityInfo info = candidate.activityInfo; 17455 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17456 set[i] = activityName; 17457 if (!found && activityName.equals(comp)) { 17458 found = true; 17459 } 17460 } 17461 if (!found) { 17462 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17463 + userId); 17464 } 17465 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17466 set, comp, userId); 17467 } 17468 17469 private @Nullable String getSetupWizardPackageName() { 17470 final Intent intent = new Intent(Intent.ACTION_MAIN); 17471 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17472 17473 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17474 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17475 | MATCH_DISABLED_COMPONENTS, 17476 UserHandle.myUserId()); 17477 if (matches.size() == 1) { 17478 return matches.get(0).getComponentInfo().packageName; 17479 } else { 17480 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17481 + ": matches=" + matches); 17482 return null; 17483 } 17484 } 17485 17486 @Override 17487 public void setApplicationEnabledSetting(String appPackageName, 17488 int newState, int flags, int userId, String callingPackage) { 17489 if (!sUserManager.exists(userId)) return; 17490 if (callingPackage == null) { 17491 callingPackage = Integer.toString(Binder.getCallingUid()); 17492 } 17493 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17494 } 17495 17496 @Override 17497 public void setComponentEnabledSetting(ComponentName componentName, 17498 int newState, int flags, int userId) { 17499 if (!sUserManager.exists(userId)) return; 17500 setEnabledSetting(componentName.getPackageName(), 17501 componentName.getClassName(), newState, flags, userId, null); 17502 } 17503 17504 private void setEnabledSetting(final String packageName, String className, int newState, 17505 final int flags, int userId, String callingPackage) { 17506 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17507 || newState == COMPONENT_ENABLED_STATE_ENABLED 17508 || newState == COMPONENT_ENABLED_STATE_DISABLED 17509 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17510 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17511 throw new IllegalArgumentException("Invalid new component state: " 17512 + newState); 17513 } 17514 PackageSetting pkgSetting; 17515 final int uid = Binder.getCallingUid(); 17516 final int permission; 17517 if (uid == Process.SYSTEM_UID) { 17518 permission = PackageManager.PERMISSION_GRANTED; 17519 } else { 17520 permission = mContext.checkCallingOrSelfPermission( 17521 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17522 } 17523 enforceCrossUserPermission(uid, userId, 17524 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17525 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17526 boolean sendNow = false; 17527 boolean isApp = (className == null); 17528 String componentName = isApp ? packageName : className; 17529 int packageUid = -1; 17530 ArrayList<String> components; 17531 17532 // writer 17533 synchronized (mPackages) { 17534 pkgSetting = mSettings.mPackages.get(packageName); 17535 if (pkgSetting == null) { 17536 if (className == null) { 17537 throw new IllegalArgumentException("Unknown package: " + packageName); 17538 } 17539 throw new IllegalArgumentException( 17540 "Unknown component: " + packageName + "/" + className); 17541 } 17542 } 17543 17544 // Limit who can change which apps 17545 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17546 // Don't allow apps that don't have permission to modify other apps 17547 if (!allowedByPermission) { 17548 throw new SecurityException( 17549 "Permission Denial: attempt to change component state from pid=" 17550 + Binder.getCallingPid() 17551 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17552 } 17553 // Don't allow changing profile and device owners. Calling into DPMS, so no locking. 17554 final DevicePolicyManagerInternal dpmi = LocalServices 17555 .getService(DevicePolicyManagerInternal.class); 17556 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 17557 throw new SecurityException("Cannot disable a device owner or a profile owner"); 17558 } 17559 } 17560 17561 synchronized (mPackages) { 17562 if (uid == Process.SHELL_UID) { 17563 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17564 int oldState = pkgSetting.getEnabled(userId); 17565 if (className == null 17566 && 17567 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17568 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17569 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17570 && 17571 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17572 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17573 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17574 // ok 17575 } else { 17576 throw new SecurityException( 17577 "Shell cannot change component state for " + packageName + "/" 17578 + className + " to " + newState); 17579 } 17580 } 17581 if (className == null) { 17582 // We're dealing with an application/package level state change 17583 if (pkgSetting.getEnabled(userId) == newState) { 17584 // Nothing to do 17585 return; 17586 } 17587 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17588 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17589 // Don't care about who enables an app. 17590 callingPackage = null; 17591 } 17592 pkgSetting.setEnabled(newState, userId, callingPackage); 17593 // pkgSetting.pkg.mSetEnabled = newState; 17594 } else { 17595 // We're dealing with a component level state change 17596 // First, verify that this is a valid class name. 17597 PackageParser.Package pkg = pkgSetting.pkg; 17598 if (pkg == null || !pkg.hasComponentClassName(className)) { 17599 if (pkg != null && 17600 pkg.applicationInfo.targetSdkVersion >= 17601 Build.VERSION_CODES.JELLY_BEAN) { 17602 throw new IllegalArgumentException("Component class " + className 17603 + " does not exist in " + packageName); 17604 } else { 17605 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17606 + className + " does not exist in " + packageName); 17607 } 17608 } 17609 switch (newState) { 17610 case COMPONENT_ENABLED_STATE_ENABLED: 17611 if (!pkgSetting.enableComponentLPw(className, userId)) { 17612 return; 17613 } 17614 break; 17615 case COMPONENT_ENABLED_STATE_DISABLED: 17616 if (!pkgSetting.disableComponentLPw(className, userId)) { 17617 return; 17618 } 17619 break; 17620 case COMPONENT_ENABLED_STATE_DEFAULT: 17621 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17622 return; 17623 } 17624 break; 17625 default: 17626 Slog.e(TAG, "Invalid new component state: " + newState); 17627 return; 17628 } 17629 } 17630 scheduleWritePackageRestrictionsLocked(userId); 17631 components = mPendingBroadcasts.get(userId, packageName); 17632 final boolean newPackage = components == null; 17633 if (newPackage) { 17634 components = new ArrayList<String>(); 17635 } 17636 if (!components.contains(componentName)) { 17637 components.add(componentName); 17638 } 17639 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17640 sendNow = true; 17641 // Purge entry from pending broadcast list if another one exists already 17642 // since we are sending one right away. 17643 mPendingBroadcasts.remove(userId, packageName); 17644 } else { 17645 if (newPackage) { 17646 mPendingBroadcasts.put(userId, packageName, components); 17647 } 17648 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17649 // Schedule a message 17650 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17651 } 17652 } 17653 } 17654 17655 long callingId = Binder.clearCallingIdentity(); 17656 try { 17657 if (sendNow) { 17658 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17659 sendPackageChangedBroadcast(packageName, 17660 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17661 } 17662 } finally { 17663 Binder.restoreCallingIdentity(callingId); 17664 } 17665 } 17666 17667 @Override 17668 public void flushPackageRestrictionsAsUser(int userId) { 17669 if (!sUserManager.exists(userId)) { 17670 return; 17671 } 17672 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17673 false /* checkShell */, "flushPackageRestrictions"); 17674 synchronized (mPackages) { 17675 mSettings.writePackageRestrictionsLPr(userId); 17676 mDirtyUsers.remove(userId); 17677 if (mDirtyUsers.isEmpty()) { 17678 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17679 } 17680 } 17681 } 17682 17683 private void sendPackageChangedBroadcast(String packageName, 17684 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17685 if (DEBUG_INSTALL) 17686 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17687 + componentNames); 17688 Bundle extras = new Bundle(4); 17689 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17690 String nameList[] = new String[componentNames.size()]; 17691 componentNames.toArray(nameList); 17692 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17693 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17694 extras.putInt(Intent.EXTRA_UID, packageUid); 17695 // If this is not reporting a change of the overall package, then only send it 17696 // to registered receivers. We don't want to launch a swath of apps for every 17697 // little component state change. 17698 final int flags = !componentNames.contains(packageName) 17699 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17700 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17701 new int[] {UserHandle.getUserId(packageUid)}); 17702 } 17703 17704 @Override 17705 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17706 if (!sUserManager.exists(userId)) return; 17707 final int uid = Binder.getCallingUid(); 17708 final int permission = mContext.checkCallingOrSelfPermission( 17709 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17710 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17711 enforceCrossUserPermission(uid, userId, 17712 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17713 // writer 17714 synchronized (mPackages) { 17715 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17716 allowedByPermission, uid, userId)) { 17717 scheduleWritePackageRestrictionsLocked(userId); 17718 } 17719 } 17720 } 17721 17722 @Override 17723 public String getInstallerPackageName(String packageName) { 17724 // reader 17725 synchronized (mPackages) { 17726 return mSettings.getInstallerPackageNameLPr(packageName); 17727 } 17728 } 17729 17730 public boolean isOrphaned(String packageName) { 17731 // reader 17732 synchronized (mPackages) { 17733 return mSettings.isOrphaned(packageName); 17734 } 17735 } 17736 17737 @Override 17738 public int getApplicationEnabledSetting(String packageName, int userId) { 17739 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17740 int uid = Binder.getCallingUid(); 17741 enforceCrossUserPermission(uid, userId, 17742 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17743 // reader 17744 synchronized (mPackages) { 17745 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17746 } 17747 } 17748 17749 @Override 17750 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17751 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17752 int uid = Binder.getCallingUid(); 17753 enforceCrossUserPermission(uid, userId, 17754 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17755 // reader 17756 synchronized (mPackages) { 17757 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17758 } 17759 } 17760 17761 @Override 17762 public void enterSafeMode() { 17763 enforceSystemOrRoot("Only the system can request entering safe mode"); 17764 17765 if (!mSystemReady) { 17766 mSafeMode = true; 17767 } 17768 } 17769 17770 @Override 17771 public void systemReady() { 17772 mSystemReady = true; 17773 17774 // Read the compatibilty setting when the system is ready. 17775 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17776 mContext.getContentResolver(), 17777 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17778 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17779 if (DEBUG_SETTINGS) { 17780 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17781 } 17782 17783 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17784 17785 synchronized (mPackages) { 17786 // Verify that all of the preferred activity components actually 17787 // exist. It is possible for applications to be updated and at 17788 // that point remove a previously declared activity component that 17789 // had been set as a preferred activity. We try to clean this up 17790 // the next time we encounter that preferred activity, but it is 17791 // possible for the user flow to never be able to return to that 17792 // situation so here we do a sanity check to make sure we haven't 17793 // left any junk around. 17794 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17795 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17796 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17797 removed.clear(); 17798 for (PreferredActivity pa : pir.filterSet()) { 17799 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17800 removed.add(pa); 17801 } 17802 } 17803 if (removed.size() > 0) { 17804 for (int r=0; r<removed.size(); r++) { 17805 PreferredActivity pa = removed.get(r); 17806 Slog.w(TAG, "Removing dangling preferred activity: " 17807 + pa.mPref.mComponent); 17808 pir.removeFilter(pa); 17809 } 17810 mSettings.writePackageRestrictionsLPr( 17811 mSettings.mPreferredActivities.keyAt(i)); 17812 } 17813 } 17814 17815 for (int userId : UserManagerService.getInstance().getUserIds()) { 17816 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17817 grantPermissionsUserIds = ArrayUtils.appendInt( 17818 grantPermissionsUserIds, userId); 17819 } 17820 } 17821 } 17822 sUserManager.systemReady(); 17823 17824 // If we upgraded grant all default permissions before kicking off. 17825 for (int userId : grantPermissionsUserIds) { 17826 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17827 } 17828 17829 // Kick off any messages waiting for system ready 17830 if (mPostSystemReadyMessages != null) { 17831 for (Message msg : mPostSystemReadyMessages) { 17832 msg.sendToTarget(); 17833 } 17834 mPostSystemReadyMessages = null; 17835 } 17836 17837 // Watch for external volumes that come and go over time 17838 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17839 storage.registerListener(mStorageListener); 17840 17841 mInstallerService.systemReady(); 17842 mPackageDexOptimizer.systemReady(); 17843 17844 MountServiceInternal mountServiceInternal = LocalServices.getService( 17845 MountServiceInternal.class); 17846 mountServiceInternal.addExternalStoragePolicy( 17847 new MountServiceInternal.ExternalStorageMountPolicy() { 17848 @Override 17849 public int getMountMode(int uid, String packageName) { 17850 if (Process.isIsolated(uid)) { 17851 return Zygote.MOUNT_EXTERNAL_NONE; 17852 } 17853 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17854 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17855 } 17856 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17857 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17858 } 17859 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17860 return Zygote.MOUNT_EXTERNAL_READ; 17861 } 17862 return Zygote.MOUNT_EXTERNAL_WRITE; 17863 } 17864 17865 @Override 17866 public boolean hasExternalStorage(int uid, String packageName) { 17867 return true; 17868 } 17869 }); 17870 17871 // Now that we're mostly running, clean up stale users and apps 17872 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17873 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17874 } 17875 17876 @Override 17877 public boolean isSafeMode() { 17878 return mSafeMode; 17879 } 17880 17881 @Override 17882 public boolean hasSystemUidErrors() { 17883 return mHasSystemUidErrors; 17884 } 17885 17886 static String arrayToString(int[] array) { 17887 StringBuffer buf = new StringBuffer(128); 17888 buf.append('['); 17889 if (array != null) { 17890 for (int i=0; i<array.length; i++) { 17891 if (i > 0) buf.append(", "); 17892 buf.append(array[i]); 17893 } 17894 } 17895 buf.append(']'); 17896 return buf.toString(); 17897 } 17898 17899 static class DumpState { 17900 public static final int DUMP_LIBS = 1 << 0; 17901 public static final int DUMP_FEATURES = 1 << 1; 17902 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17903 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17904 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17905 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17906 public static final int DUMP_PERMISSIONS = 1 << 6; 17907 public static final int DUMP_PACKAGES = 1 << 7; 17908 public static final int DUMP_SHARED_USERS = 1 << 8; 17909 public static final int DUMP_MESSAGES = 1 << 9; 17910 public static final int DUMP_PROVIDERS = 1 << 10; 17911 public static final int DUMP_VERIFIERS = 1 << 11; 17912 public static final int DUMP_PREFERRED = 1 << 12; 17913 public static final int DUMP_PREFERRED_XML = 1 << 13; 17914 public static final int DUMP_KEYSETS = 1 << 14; 17915 public static final int DUMP_VERSION = 1 << 15; 17916 public static final int DUMP_INSTALLS = 1 << 16; 17917 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17918 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17919 public static final int DUMP_FROZEN = 1 << 19; 17920 public static final int DUMP_DEXOPT = 1 << 20; 17921 17922 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17923 17924 private int mTypes; 17925 17926 private int mOptions; 17927 17928 private boolean mTitlePrinted; 17929 17930 private SharedUserSetting mSharedUser; 17931 17932 public boolean isDumping(int type) { 17933 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17934 return true; 17935 } 17936 17937 return (mTypes & type) != 0; 17938 } 17939 17940 public void setDump(int type) { 17941 mTypes |= type; 17942 } 17943 17944 public boolean isOptionEnabled(int option) { 17945 return (mOptions & option) != 0; 17946 } 17947 17948 public void setOptionEnabled(int option) { 17949 mOptions |= option; 17950 } 17951 17952 public boolean onTitlePrinted() { 17953 final boolean printed = mTitlePrinted; 17954 mTitlePrinted = true; 17955 return printed; 17956 } 17957 17958 public boolean getTitlePrinted() { 17959 return mTitlePrinted; 17960 } 17961 17962 public void setTitlePrinted(boolean enabled) { 17963 mTitlePrinted = enabled; 17964 } 17965 17966 public SharedUserSetting getSharedUser() { 17967 return mSharedUser; 17968 } 17969 17970 public void setSharedUser(SharedUserSetting user) { 17971 mSharedUser = user; 17972 } 17973 } 17974 17975 @Override 17976 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17977 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17978 (new PackageManagerShellCommand(this)).exec( 17979 this, in, out, err, args, resultReceiver); 17980 } 17981 17982 @Override 17983 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17984 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17985 != PackageManager.PERMISSION_GRANTED) { 17986 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17987 + Binder.getCallingPid() 17988 + ", uid=" + Binder.getCallingUid() 17989 + " without permission " 17990 + android.Manifest.permission.DUMP); 17991 return; 17992 } 17993 17994 DumpState dumpState = new DumpState(); 17995 boolean fullPreferred = false; 17996 boolean checkin = false; 17997 17998 String packageName = null; 17999 ArraySet<String> permissionNames = null; 18000 18001 int opti = 0; 18002 while (opti < args.length) { 18003 String opt = args[opti]; 18004 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18005 break; 18006 } 18007 opti++; 18008 18009 if ("-a".equals(opt)) { 18010 // Right now we only know how to print all. 18011 } else if ("-h".equals(opt)) { 18012 pw.println("Package manager dump options:"); 18013 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18014 pw.println(" --checkin: dump for a checkin"); 18015 pw.println(" -f: print details of intent filters"); 18016 pw.println(" -h: print this help"); 18017 pw.println(" cmd may be one of:"); 18018 pw.println(" l[ibraries]: list known shared libraries"); 18019 pw.println(" f[eatures]: list device features"); 18020 pw.println(" k[eysets]: print known keysets"); 18021 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18022 pw.println(" perm[issions]: dump permissions"); 18023 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18024 pw.println(" pref[erred]: print preferred package settings"); 18025 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18026 pw.println(" prov[iders]: dump content providers"); 18027 pw.println(" p[ackages]: dump installed packages"); 18028 pw.println(" s[hared-users]: dump shared user IDs"); 18029 pw.println(" m[essages]: print collected runtime messages"); 18030 pw.println(" v[erifiers]: print package verifier info"); 18031 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18032 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18033 pw.println(" version: print database version info"); 18034 pw.println(" write: write current settings now"); 18035 pw.println(" installs: details about install sessions"); 18036 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18037 pw.println(" dexopt: dump dexopt state"); 18038 pw.println(" <package.name>: info about given package"); 18039 return; 18040 } else if ("--checkin".equals(opt)) { 18041 checkin = true; 18042 } else if ("-f".equals(opt)) { 18043 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18044 } else { 18045 pw.println("Unknown argument: " + opt + "; use -h for help"); 18046 } 18047 } 18048 18049 // Is the caller requesting to dump a particular piece of data? 18050 if (opti < args.length) { 18051 String cmd = args[opti]; 18052 opti++; 18053 // Is this a package name? 18054 if ("android".equals(cmd) || cmd.contains(".")) { 18055 packageName = cmd; 18056 // When dumping a single package, we always dump all of its 18057 // filter information since the amount of data will be reasonable. 18058 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18059 } else if ("check-permission".equals(cmd)) { 18060 if (opti >= args.length) { 18061 pw.println("Error: check-permission missing permission argument"); 18062 return; 18063 } 18064 String perm = args[opti]; 18065 opti++; 18066 if (opti >= args.length) { 18067 pw.println("Error: check-permission missing package argument"); 18068 return; 18069 } 18070 String pkg = args[opti]; 18071 opti++; 18072 int user = UserHandle.getUserId(Binder.getCallingUid()); 18073 if (opti < args.length) { 18074 try { 18075 user = Integer.parseInt(args[opti]); 18076 } catch (NumberFormatException e) { 18077 pw.println("Error: check-permission user argument is not a number: " 18078 + args[opti]); 18079 return; 18080 } 18081 } 18082 pw.println(checkPermission(perm, pkg, user)); 18083 return; 18084 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18085 dumpState.setDump(DumpState.DUMP_LIBS); 18086 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18087 dumpState.setDump(DumpState.DUMP_FEATURES); 18088 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18089 if (opti >= args.length) { 18090 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18091 | DumpState.DUMP_SERVICE_RESOLVERS 18092 | DumpState.DUMP_RECEIVER_RESOLVERS 18093 | DumpState.DUMP_CONTENT_RESOLVERS); 18094 } else { 18095 while (opti < args.length) { 18096 String name = args[opti]; 18097 if ("a".equals(name) || "activity".equals(name)) { 18098 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18099 } else if ("s".equals(name) || "service".equals(name)) { 18100 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18101 } else if ("r".equals(name) || "receiver".equals(name)) { 18102 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18103 } else if ("c".equals(name) || "content".equals(name)) { 18104 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18105 } else { 18106 pw.println("Error: unknown resolver table type: " + name); 18107 return; 18108 } 18109 opti++; 18110 } 18111 } 18112 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18113 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18114 } else if ("permission".equals(cmd)) { 18115 if (opti >= args.length) { 18116 pw.println("Error: permission requires permission name"); 18117 return; 18118 } 18119 permissionNames = new ArraySet<>(); 18120 while (opti < args.length) { 18121 permissionNames.add(args[opti]); 18122 opti++; 18123 } 18124 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18125 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18126 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18127 dumpState.setDump(DumpState.DUMP_PREFERRED); 18128 } else if ("preferred-xml".equals(cmd)) { 18129 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18130 if (opti < args.length && "--full".equals(args[opti])) { 18131 fullPreferred = true; 18132 opti++; 18133 } 18134 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18135 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18136 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18137 dumpState.setDump(DumpState.DUMP_PACKAGES); 18138 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18139 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18140 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18141 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18142 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18143 dumpState.setDump(DumpState.DUMP_MESSAGES); 18144 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18145 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18146 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18147 || "intent-filter-verifiers".equals(cmd)) { 18148 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18149 } else if ("version".equals(cmd)) { 18150 dumpState.setDump(DumpState.DUMP_VERSION); 18151 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18152 dumpState.setDump(DumpState.DUMP_KEYSETS); 18153 } else if ("installs".equals(cmd)) { 18154 dumpState.setDump(DumpState.DUMP_INSTALLS); 18155 } else if ("frozen".equals(cmd)) { 18156 dumpState.setDump(DumpState.DUMP_FROZEN); 18157 } else if ("dexopt".equals(cmd)) { 18158 dumpState.setDump(DumpState.DUMP_DEXOPT); 18159 } else if ("write".equals(cmd)) { 18160 synchronized (mPackages) { 18161 mSettings.writeLPr(); 18162 pw.println("Settings written."); 18163 return; 18164 } 18165 } 18166 } 18167 18168 if (checkin) { 18169 pw.println("vers,1"); 18170 } 18171 18172 // reader 18173 synchronized (mPackages) { 18174 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18175 if (!checkin) { 18176 if (dumpState.onTitlePrinted()) 18177 pw.println(); 18178 pw.println("Database versions:"); 18179 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18180 } 18181 } 18182 18183 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18184 if (!checkin) { 18185 if (dumpState.onTitlePrinted()) 18186 pw.println(); 18187 pw.println("Verifiers:"); 18188 pw.print(" Required: "); 18189 pw.print(mRequiredVerifierPackage); 18190 pw.print(" (uid="); 18191 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18192 UserHandle.USER_SYSTEM)); 18193 pw.println(")"); 18194 } else if (mRequiredVerifierPackage != null) { 18195 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18196 pw.print(","); 18197 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18198 UserHandle.USER_SYSTEM)); 18199 } 18200 } 18201 18202 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18203 packageName == null) { 18204 if (mIntentFilterVerifierComponent != null) { 18205 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18206 if (!checkin) { 18207 if (dumpState.onTitlePrinted()) 18208 pw.println(); 18209 pw.println("Intent Filter Verifier:"); 18210 pw.print(" Using: "); 18211 pw.print(verifierPackageName); 18212 pw.print(" (uid="); 18213 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18214 UserHandle.USER_SYSTEM)); 18215 pw.println(")"); 18216 } else if (verifierPackageName != null) { 18217 pw.print("ifv,"); pw.print(verifierPackageName); 18218 pw.print(","); 18219 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18220 UserHandle.USER_SYSTEM)); 18221 } 18222 } else { 18223 pw.println(); 18224 pw.println("No Intent Filter Verifier available!"); 18225 } 18226 } 18227 18228 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18229 boolean printedHeader = false; 18230 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18231 while (it.hasNext()) { 18232 String name = it.next(); 18233 SharedLibraryEntry ent = mSharedLibraries.get(name); 18234 if (!checkin) { 18235 if (!printedHeader) { 18236 if (dumpState.onTitlePrinted()) 18237 pw.println(); 18238 pw.println("Libraries:"); 18239 printedHeader = true; 18240 } 18241 pw.print(" "); 18242 } else { 18243 pw.print("lib,"); 18244 } 18245 pw.print(name); 18246 if (!checkin) { 18247 pw.print(" -> "); 18248 } 18249 if (ent.path != null) { 18250 if (!checkin) { 18251 pw.print("(jar) "); 18252 pw.print(ent.path); 18253 } else { 18254 pw.print(",jar,"); 18255 pw.print(ent.path); 18256 } 18257 } else { 18258 if (!checkin) { 18259 pw.print("(apk) "); 18260 pw.print(ent.apk); 18261 } else { 18262 pw.print(",apk,"); 18263 pw.print(ent.apk); 18264 } 18265 } 18266 pw.println(); 18267 } 18268 } 18269 18270 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18271 if (dumpState.onTitlePrinted()) 18272 pw.println(); 18273 if (!checkin) { 18274 pw.println("Features:"); 18275 } 18276 18277 for (FeatureInfo feat : mAvailableFeatures.values()) { 18278 if (checkin) { 18279 pw.print("feat,"); 18280 pw.print(feat.name); 18281 pw.print(","); 18282 pw.println(feat.version); 18283 } else { 18284 pw.print(" "); 18285 pw.print(feat.name); 18286 if (feat.version > 0) { 18287 pw.print(" version="); 18288 pw.print(feat.version); 18289 } 18290 pw.println(); 18291 } 18292 } 18293 } 18294 18295 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18296 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18297 : "Activity Resolver Table:", " ", packageName, 18298 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18299 dumpState.setTitlePrinted(true); 18300 } 18301 } 18302 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18303 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18304 : "Receiver Resolver Table:", " ", packageName, 18305 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18306 dumpState.setTitlePrinted(true); 18307 } 18308 } 18309 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18310 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18311 : "Service Resolver Table:", " ", packageName, 18312 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18313 dumpState.setTitlePrinted(true); 18314 } 18315 } 18316 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18317 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18318 : "Provider Resolver Table:", " ", packageName, 18319 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18320 dumpState.setTitlePrinted(true); 18321 } 18322 } 18323 18324 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18325 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18326 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18327 int user = mSettings.mPreferredActivities.keyAt(i); 18328 if (pir.dump(pw, 18329 dumpState.getTitlePrinted() 18330 ? "\nPreferred Activities User " + user + ":" 18331 : "Preferred Activities User " + user + ":", " ", 18332 packageName, true, false)) { 18333 dumpState.setTitlePrinted(true); 18334 } 18335 } 18336 } 18337 18338 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18339 pw.flush(); 18340 FileOutputStream fout = new FileOutputStream(fd); 18341 BufferedOutputStream str = new BufferedOutputStream(fout); 18342 XmlSerializer serializer = new FastXmlSerializer(); 18343 try { 18344 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18345 serializer.startDocument(null, true); 18346 serializer.setFeature( 18347 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18348 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18349 serializer.endDocument(); 18350 serializer.flush(); 18351 } catch (IllegalArgumentException e) { 18352 pw.println("Failed writing: " + e); 18353 } catch (IllegalStateException e) { 18354 pw.println("Failed writing: " + e); 18355 } catch (IOException e) { 18356 pw.println("Failed writing: " + e); 18357 } 18358 } 18359 18360 if (!checkin 18361 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18362 && packageName == null) { 18363 pw.println(); 18364 int count = mSettings.mPackages.size(); 18365 if (count == 0) { 18366 pw.println("No applications!"); 18367 pw.println(); 18368 } else { 18369 final String prefix = " "; 18370 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18371 if (allPackageSettings.size() == 0) { 18372 pw.println("No domain preferred apps!"); 18373 pw.println(); 18374 } else { 18375 pw.println("App verification status:"); 18376 pw.println(); 18377 count = 0; 18378 for (PackageSetting ps : allPackageSettings) { 18379 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18380 if (ivi == null || ivi.getPackageName() == null) continue; 18381 pw.println(prefix + "Package: " + ivi.getPackageName()); 18382 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18383 pw.println(prefix + "Status: " + ivi.getStatusString()); 18384 pw.println(); 18385 count++; 18386 } 18387 if (count == 0) { 18388 pw.println(prefix + "No app verification established."); 18389 pw.println(); 18390 } 18391 for (int userId : sUserManager.getUserIds()) { 18392 pw.println("App linkages for user " + userId + ":"); 18393 pw.println(); 18394 count = 0; 18395 for (PackageSetting ps : allPackageSettings) { 18396 final long status = ps.getDomainVerificationStatusForUser(userId); 18397 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18398 continue; 18399 } 18400 pw.println(prefix + "Package: " + ps.name); 18401 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18402 String statusStr = IntentFilterVerificationInfo. 18403 getStatusStringFromValue(status); 18404 pw.println(prefix + "Status: " + statusStr); 18405 pw.println(); 18406 count++; 18407 } 18408 if (count == 0) { 18409 pw.println(prefix + "No configured app linkages."); 18410 pw.println(); 18411 } 18412 } 18413 } 18414 } 18415 } 18416 18417 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18418 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18419 if (packageName == null && permissionNames == null) { 18420 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18421 if (iperm == 0) { 18422 if (dumpState.onTitlePrinted()) 18423 pw.println(); 18424 pw.println("AppOp Permissions:"); 18425 } 18426 pw.print(" AppOp Permission "); 18427 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18428 pw.println(":"); 18429 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18430 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18431 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18432 } 18433 } 18434 } 18435 } 18436 18437 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18438 boolean printedSomething = false; 18439 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18440 if (packageName != null && !packageName.equals(p.info.packageName)) { 18441 continue; 18442 } 18443 if (!printedSomething) { 18444 if (dumpState.onTitlePrinted()) 18445 pw.println(); 18446 pw.println("Registered ContentProviders:"); 18447 printedSomething = true; 18448 } 18449 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18450 pw.print(" "); pw.println(p.toString()); 18451 } 18452 printedSomething = false; 18453 for (Map.Entry<String, PackageParser.Provider> entry : 18454 mProvidersByAuthority.entrySet()) { 18455 PackageParser.Provider p = entry.getValue(); 18456 if (packageName != null && !packageName.equals(p.info.packageName)) { 18457 continue; 18458 } 18459 if (!printedSomething) { 18460 if (dumpState.onTitlePrinted()) 18461 pw.println(); 18462 pw.println("ContentProvider Authorities:"); 18463 printedSomething = true; 18464 } 18465 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18466 pw.print(" "); pw.println(p.toString()); 18467 if (p.info != null && p.info.applicationInfo != null) { 18468 final String appInfo = p.info.applicationInfo.toString(); 18469 pw.print(" applicationInfo="); pw.println(appInfo); 18470 } 18471 } 18472 } 18473 18474 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18475 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18476 } 18477 18478 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18479 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18480 } 18481 18482 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18483 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18484 } 18485 18486 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18487 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18488 } 18489 18490 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18491 // XXX should handle packageName != null by dumping only install data that 18492 // the given package is involved with. 18493 if (dumpState.onTitlePrinted()) pw.println(); 18494 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18495 } 18496 18497 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18498 // XXX should handle packageName != null by dumping only install data that 18499 // the given package is involved with. 18500 if (dumpState.onTitlePrinted()) pw.println(); 18501 18502 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18503 ipw.println(); 18504 ipw.println("Frozen packages:"); 18505 ipw.increaseIndent(); 18506 if (mFrozenPackages.size() == 0) { 18507 ipw.println("(none)"); 18508 } else { 18509 for (int i = 0; i < mFrozenPackages.size(); i++) { 18510 ipw.println(mFrozenPackages.valueAt(i)); 18511 } 18512 } 18513 ipw.decreaseIndent(); 18514 } 18515 18516 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18517 if (dumpState.onTitlePrinted()) pw.println(); 18518 dumpDexoptStateLPr(pw, packageName); 18519 } 18520 18521 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18522 if (dumpState.onTitlePrinted()) pw.println(); 18523 mSettings.dumpReadMessagesLPr(pw, dumpState); 18524 18525 pw.println(); 18526 pw.println("Package warning messages:"); 18527 BufferedReader in = null; 18528 String line = null; 18529 try { 18530 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18531 while ((line = in.readLine()) != null) { 18532 if (line.contains("ignored: updated version")) continue; 18533 pw.println(line); 18534 } 18535 } catch (IOException ignored) { 18536 } finally { 18537 IoUtils.closeQuietly(in); 18538 } 18539 } 18540 18541 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18542 BufferedReader in = null; 18543 String line = null; 18544 try { 18545 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18546 while ((line = in.readLine()) != null) { 18547 if (line.contains("ignored: updated version")) continue; 18548 pw.print("msg,"); 18549 pw.println(line); 18550 } 18551 } catch (IOException ignored) { 18552 } finally { 18553 IoUtils.closeQuietly(in); 18554 } 18555 } 18556 } 18557 } 18558 18559 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18560 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18561 ipw.println(); 18562 ipw.println("Dexopt state:"); 18563 ipw.increaseIndent(); 18564 Collection<PackageParser.Package> packages = null; 18565 if (packageName != null) { 18566 PackageParser.Package targetPackage = mPackages.get(packageName); 18567 if (targetPackage != null) { 18568 packages = Collections.singletonList(targetPackage); 18569 } else { 18570 ipw.println("Unable to find package: " + packageName); 18571 return; 18572 } 18573 } else { 18574 packages = mPackages.values(); 18575 } 18576 18577 for (PackageParser.Package pkg : packages) { 18578 ipw.println("[" + pkg.packageName + "]"); 18579 ipw.increaseIndent(); 18580 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18581 ipw.decreaseIndent(); 18582 } 18583 } 18584 18585 private String dumpDomainString(String packageName) { 18586 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18587 .getList(); 18588 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18589 18590 ArraySet<String> result = new ArraySet<>(); 18591 if (iviList.size() > 0) { 18592 for (IntentFilterVerificationInfo ivi : iviList) { 18593 for (String host : ivi.getDomains()) { 18594 result.add(host); 18595 } 18596 } 18597 } 18598 if (filters != null && filters.size() > 0) { 18599 for (IntentFilter filter : filters) { 18600 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18601 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18602 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18603 result.addAll(filter.getHostsList()); 18604 } 18605 } 18606 } 18607 18608 StringBuilder sb = new StringBuilder(result.size() * 16); 18609 for (String domain : result) { 18610 if (sb.length() > 0) sb.append(" "); 18611 sb.append(domain); 18612 } 18613 return sb.toString(); 18614 } 18615 18616 // ------- apps on sdcard specific code ------- 18617 static final boolean DEBUG_SD_INSTALL = false; 18618 18619 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18620 18621 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18622 18623 private boolean mMediaMounted = false; 18624 18625 static String getEncryptKey() { 18626 try { 18627 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18628 SD_ENCRYPTION_KEYSTORE_NAME); 18629 if (sdEncKey == null) { 18630 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18631 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18632 if (sdEncKey == null) { 18633 Slog.e(TAG, "Failed to create encryption keys"); 18634 return null; 18635 } 18636 } 18637 return sdEncKey; 18638 } catch (NoSuchAlgorithmException nsae) { 18639 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18640 return null; 18641 } catch (IOException ioe) { 18642 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18643 return null; 18644 } 18645 } 18646 18647 /* 18648 * Update media status on PackageManager. 18649 */ 18650 @Override 18651 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18652 int callingUid = Binder.getCallingUid(); 18653 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18654 throw new SecurityException("Media status can only be updated by the system"); 18655 } 18656 // reader; this apparently protects mMediaMounted, but should probably 18657 // be a different lock in that case. 18658 synchronized (mPackages) { 18659 Log.i(TAG, "Updating external media status from " 18660 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18661 + (mediaStatus ? "mounted" : "unmounted")); 18662 if (DEBUG_SD_INSTALL) 18663 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18664 + ", mMediaMounted=" + mMediaMounted); 18665 if (mediaStatus == mMediaMounted) { 18666 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18667 : 0, -1); 18668 mHandler.sendMessage(msg); 18669 return; 18670 } 18671 mMediaMounted = mediaStatus; 18672 } 18673 // Queue up an async operation since the package installation may take a 18674 // little while. 18675 mHandler.post(new Runnable() { 18676 public void run() { 18677 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18678 } 18679 }); 18680 } 18681 18682 /** 18683 * Called by MountService when the initial ASECs to scan are available. 18684 * Should block until all the ASEC containers are finished being scanned. 18685 */ 18686 public void scanAvailableAsecs() { 18687 updateExternalMediaStatusInner(true, false, false); 18688 } 18689 18690 /* 18691 * Collect information of applications on external media, map them against 18692 * existing containers and update information based on current mount status. 18693 * Please note that we always have to report status if reportStatus has been 18694 * set to true especially when unloading packages. 18695 */ 18696 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18697 boolean externalStorage) { 18698 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18699 int[] uidArr = EmptyArray.INT; 18700 18701 final String[] list = PackageHelper.getSecureContainerList(); 18702 if (ArrayUtils.isEmpty(list)) { 18703 Log.i(TAG, "No secure containers found"); 18704 } else { 18705 // Process list of secure containers and categorize them 18706 // as active or stale based on their package internal state. 18707 18708 // reader 18709 synchronized (mPackages) { 18710 for (String cid : list) { 18711 // Leave stages untouched for now; installer service owns them 18712 if (PackageInstallerService.isStageName(cid)) continue; 18713 18714 if (DEBUG_SD_INSTALL) 18715 Log.i(TAG, "Processing container " + cid); 18716 String pkgName = getAsecPackageName(cid); 18717 if (pkgName == null) { 18718 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18719 continue; 18720 } 18721 if (DEBUG_SD_INSTALL) 18722 Log.i(TAG, "Looking for pkg : " + pkgName); 18723 18724 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18725 if (ps == null) { 18726 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18727 continue; 18728 } 18729 18730 /* 18731 * Skip packages that are not external if we're unmounting 18732 * external storage. 18733 */ 18734 if (externalStorage && !isMounted && !isExternal(ps)) { 18735 continue; 18736 } 18737 18738 final AsecInstallArgs args = new AsecInstallArgs(cid, 18739 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18740 // The package status is changed only if the code path 18741 // matches between settings and the container id. 18742 if (ps.codePathString != null 18743 && ps.codePathString.startsWith(args.getCodePath())) { 18744 if (DEBUG_SD_INSTALL) { 18745 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18746 + " at code path: " + ps.codePathString); 18747 } 18748 18749 // We do have a valid package installed on sdcard 18750 processCids.put(args, ps.codePathString); 18751 final int uid = ps.appId; 18752 if (uid != -1) { 18753 uidArr = ArrayUtils.appendInt(uidArr, uid); 18754 } 18755 } else { 18756 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18757 + ps.codePathString); 18758 } 18759 } 18760 } 18761 18762 Arrays.sort(uidArr); 18763 } 18764 18765 // Process packages with valid entries. 18766 if (isMounted) { 18767 if (DEBUG_SD_INSTALL) 18768 Log.i(TAG, "Loading packages"); 18769 loadMediaPackages(processCids, uidArr, externalStorage); 18770 startCleaningPackages(); 18771 mInstallerService.onSecureContainersAvailable(); 18772 } else { 18773 if (DEBUG_SD_INSTALL) 18774 Log.i(TAG, "Unloading packages"); 18775 unloadMediaPackages(processCids, uidArr, reportStatus); 18776 } 18777 } 18778 18779 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18780 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18781 final int size = infos.size(); 18782 final String[] packageNames = new String[size]; 18783 final int[] packageUids = new int[size]; 18784 for (int i = 0; i < size; i++) { 18785 final ApplicationInfo info = infos.get(i); 18786 packageNames[i] = info.packageName; 18787 packageUids[i] = info.uid; 18788 } 18789 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18790 finishedReceiver); 18791 } 18792 18793 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18794 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18795 sendResourcesChangedBroadcast(mediaStatus, replacing, 18796 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18797 } 18798 18799 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18800 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18801 int size = pkgList.length; 18802 if (size > 0) { 18803 // Send broadcasts here 18804 Bundle extras = new Bundle(); 18805 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18806 if (uidArr != null) { 18807 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18808 } 18809 if (replacing) { 18810 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18811 } 18812 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18813 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18814 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18815 } 18816 } 18817 18818 /* 18819 * Look at potentially valid container ids from processCids If package 18820 * information doesn't match the one on record or package scanning fails, 18821 * the cid is added to list of removeCids. We currently don't delete stale 18822 * containers. 18823 */ 18824 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18825 boolean externalStorage) { 18826 ArrayList<String> pkgList = new ArrayList<String>(); 18827 Set<AsecInstallArgs> keys = processCids.keySet(); 18828 18829 for (AsecInstallArgs args : keys) { 18830 String codePath = processCids.get(args); 18831 if (DEBUG_SD_INSTALL) 18832 Log.i(TAG, "Loading container : " + args.cid); 18833 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18834 try { 18835 // Make sure there are no container errors first. 18836 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18837 Slog.e(TAG, "Failed to mount cid : " + args.cid 18838 + " when installing from sdcard"); 18839 continue; 18840 } 18841 // Check code path here. 18842 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18843 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18844 + " does not match one in settings " + codePath); 18845 continue; 18846 } 18847 // Parse package 18848 int parseFlags = mDefParseFlags; 18849 if (args.isExternalAsec()) { 18850 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18851 } 18852 if (args.isFwdLocked()) { 18853 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18854 } 18855 18856 synchronized (mInstallLock) { 18857 PackageParser.Package pkg = null; 18858 try { 18859 // Sadly we don't know the package name yet to freeze it 18860 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18861 SCAN_IGNORE_FROZEN, 0, null); 18862 } catch (PackageManagerException e) { 18863 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18864 } 18865 // Scan the package 18866 if (pkg != null) { 18867 /* 18868 * TODO why is the lock being held? doPostInstall is 18869 * called in other places without the lock. This needs 18870 * to be straightened out. 18871 */ 18872 // writer 18873 synchronized (mPackages) { 18874 retCode = PackageManager.INSTALL_SUCCEEDED; 18875 pkgList.add(pkg.packageName); 18876 // Post process args 18877 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18878 pkg.applicationInfo.uid); 18879 } 18880 } else { 18881 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18882 } 18883 } 18884 18885 } finally { 18886 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18887 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18888 } 18889 } 18890 } 18891 // writer 18892 synchronized (mPackages) { 18893 // If the platform SDK has changed since the last time we booted, 18894 // we need to re-grant app permission to catch any new ones that 18895 // appear. This is really a hack, and means that apps can in some 18896 // cases get permissions that the user didn't initially explicitly 18897 // allow... it would be nice to have some better way to handle 18898 // this situation. 18899 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18900 : mSettings.getInternalVersion(); 18901 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18902 : StorageManager.UUID_PRIVATE_INTERNAL; 18903 18904 int updateFlags = UPDATE_PERMISSIONS_ALL; 18905 if (ver.sdkVersion != mSdkVersion) { 18906 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18907 + mSdkVersion + "; regranting permissions for external"); 18908 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18909 } 18910 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18911 18912 // Yay, everything is now upgraded 18913 ver.forceCurrent(); 18914 18915 // can downgrade to reader 18916 // Persist settings 18917 mSettings.writeLPr(); 18918 } 18919 // Send a broadcast to let everyone know we are done processing 18920 if (pkgList.size() > 0) { 18921 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18922 } 18923 } 18924 18925 /* 18926 * Utility method to unload a list of specified containers 18927 */ 18928 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18929 // Just unmount all valid containers. 18930 for (AsecInstallArgs arg : cidArgs) { 18931 synchronized (mInstallLock) { 18932 arg.doPostDeleteLI(false); 18933 } 18934 } 18935 } 18936 18937 /* 18938 * Unload packages mounted on external media. This involves deleting package 18939 * data from internal structures, sending broadcasts about disabled packages, 18940 * gc'ing to free up references, unmounting all secure containers 18941 * corresponding to packages on external media, and posting a 18942 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18943 * that we always have to post this message if status has been requested no 18944 * matter what. 18945 */ 18946 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18947 final boolean reportStatus) { 18948 if (DEBUG_SD_INSTALL) 18949 Log.i(TAG, "unloading media packages"); 18950 ArrayList<String> pkgList = new ArrayList<String>(); 18951 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18952 final Set<AsecInstallArgs> keys = processCids.keySet(); 18953 for (AsecInstallArgs args : keys) { 18954 String pkgName = args.getPackageName(); 18955 if (DEBUG_SD_INSTALL) 18956 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18957 // Delete package internally 18958 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18959 synchronized (mInstallLock) { 18960 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18961 final boolean res; 18962 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 18963 "unloadMediaPackages")) { 18964 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 18965 null); 18966 } 18967 if (res) { 18968 pkgList.add(pkgName); 18969 } else { 18970 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18971 failedList.add(args); 18972 } 18973 } 18974 } 18975 18976 // reader 18977 synchronized (mPackages) { 18978 // We didn't update the settings after removing each package; 18979 // write them now for all packages. 18980 mSettings.writeLPr(); 18981 } 18982 18983 // We have to absolutely send UPDATED_MEDIA_STATUS only 18984 // after confirming that all the receivers processed the ordered 18985 // broadcast when packages get disabled, force a gc to clean things up. 18986 // and unload all the containers. 18987 if (pkgList.size() > 0) { 18988 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18989 new IIntentReceiver.Stub() { 18990 public void performReceive(Intent intent, int resultCode, String data, 18991 Bundle extras, boolean ordered, boolean sticky, 18992 int sendingUser) throws RemoteException { 18993 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18994 reportStatus ? 1 : 0, 1, keys); 18995 mHandler.sendMessage(msg); 18996 } 18997 }); 18998 } else { 18999 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19000 keys); 19001 mHandler.sendMessage(msg); 19002 } 19003 } 19004 19005 private void loadPrivatePackages(final VolumeInfo vol) { 19006 mHandler.post(new Runnable() { 19007 @Override 19008 public void run() { 19009 loadPrivatePackagesInner(vol); 19010 } 19011 }); 19012 } 19013 19014 private void loadPrivatePackagesInner(VolumeInfo vol) { 19015 final String volumeUuid = vol.fsUuid; 19016 if (TextUtils.isEmpty(volumeUuid)) { 19017 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19018 return; 19019 } 19020 19021 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19022 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19023 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19024 19025 final VersionInfo ver; 19026 final List<PackageSetting> packages; 19027 synchronized (mPackages) { 19028 ver = mSettings.findOrCreateVersion(volumeUuid); 19029 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19030 } 19031 19032 for (PackageSetting ps : packages) { 19033 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19034 synchronized (mInstallLock) { 19035 final PackageParser.Package pkg; 19036 try { 19037 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19038 loaded.add(pkg.applicationInfo); 19039 19040 } catch (PackageManagerException e) { 19041 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19042 } 19043 19044 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19045 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19046 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19047 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19048 } 19049 } 19050 } 19051 19052 // Reconcile app data for all started/unlocked users 19053 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19054 final UserManager um = mContext.getSystemService(UserManager.class); 19055 UserManagerInternal umInternal = getUserManagerInternal(); 19056 for (UserInfo user : um.getUsers()) { 19057 final int flags; 19058 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19059 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19060 } else if (umInternal.isUserRunning(user.id)) { 19061 flags = StorageManager.FLAG_STORAGE_DE; 19062 } else { 19063 continue; 19064 } 19065 19066 try { 19067 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19068 synchronized (mInstallLock) { 19069 reconcileAppsDataLI(volumeUuid, user.id, flags); 19070 } 19071 } catch (IllegalStateException e) { 19072 // Device was probably ejected, and we'll process that event momentarily 19073 Slog.w(TAG, "Failed to prepare storage: " + e); 19074 } 19075 } 19076 19077 synchronized (mPackages) { 19078 int updateFlags = UPDATE_PERMISSIONS_ALL; 19079 if (ver.sdkVersion != mSdkVersion) { 19080 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19081 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19082 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19083 } 19084 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19085 19086 // Yay, everything is now upgraded 19087 ver.forceCurrent(); 19088 19089 mSettings.writeLPr(); 19090 } 19091 19092 for (PackageFreezer freezer : freezers) { 19093 freezer.close(); 19094 } 19095 19096 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19097 sendResourcesChangedBroadcast(true, false, loaded, null); 19098 } 19099 19100 private void unloadPrivatePackages(final VolumeInfo vol) { 19101 mHandler.post(new Runnable() { 19102 @Override 19103 public void run() { 19104 unloadPrivatePackagesInner(vol); 19105 } 19106 }); 19107 } 19108 19109 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19110 final String volumeUuid = vol.fsUuid; 19111 if (TextUtils.isEmpty(volumeUuid)) { 19112 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19113 return; 19114 } 19115 19116 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19117 synchronized (mInstallLock) { 19118 synchronized (mPackages) { 19119 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19120 for (PackageSetting ps : packages) { 19121 if (ps.pkg == null) continue; 19122 19123 final ApplicationInfo info = ps.pkg.applicationInfo; 19124 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19125 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19126 19127 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19128 "unloadPrivatePackagesInner")) { 19129 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19130 false, null)) { 19131 unloaded.add(info); 19132 } else { 19133 Slog.w(TAG, "Failed to unload " + ps.codePath); 19134 } 19135 } 19136 } 19137 19138 mSettings.writeLPr(); 19139 } 19140 } 19141 19142 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19143 sendResourcesChangedBroadcast(false, false, unloaded, null); 19144 } 19145 19146 /** 19147 * Prepare storage areas for given user on all mounted devices. 19148 */ 19149 void prepareUserData(int userId, int userSerial, int flags) { 19150 synchronized (mInstallLock) { 19151 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19152 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19153 final String volumeUuid = vol.getFsUuid(); 19154 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19155 } 19156 } 19157 } 19158 19159 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19160 boolean allowRecover) { 19161 // Prepare storage and verify that serial numbers are consistent; if 19162 // there's a mismatch we need to destroy to avoid leaking data 19163 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19164 try { 19165 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19166 19167 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19168 UserManagerService.enforceSerialNumber( 19169 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19170 } 19171 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19172 UserManagerService.enforceSerialNumber( 19173 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19174 } 19175 19176 synchronized (mInstallLock) { 19177 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19178 } 19179 } catch (Exception e) { 19180 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19181 + " because we failed to prepare: " + e); 19182 destroyUserDataLI(volumeUuid, userId, 19183 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19184 19185 if (allowRecover) { 19186 // Try one last time; if we fail again we're really in trouble 19187 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19188 } 19189 } 19190 } 19191 19192 /** 19193 * Destroy storage areas for given user on all mounted devices. 19194 */ 19195 void destroyUserData(int userId, int flags) { 19196 synchronized (mInstallLock) { 19197 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19198 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19199 final String volumeUuid = vol.getFsUuid(); 19200 destroyUserDataLI(volumeUuid, userId, flags); 19201 } 19202 } 19203 } 19204 19205 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19206 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19207 try { 19208 // Clean up app data, profile data, and media data 19209 mInstaller.destroyUserData(volumeUuid, userId, flags); 19210 19211 // Clean up system data 19212 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19213 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19214 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19215 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19216 } 19217 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19218 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19219 } 19220 } 19221 19222 // Data with special labels is now gone, so finish the job 19223 storage.destroyUserStorage(volumeUuid, userId, flags); 19224 19225 } catch (Exception e) { 19226 logCriticalInfo(Log.WARN, 19227 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19228 } 19229 } 19230 19231 /** 19232 * Examine all users present on given mounted volume, and destroy data 19233 * belonging to users that are no longer valid, or whose user ID has been 19234 * recycled. 19235 */ 19236 private void reconcileUsers(String volumeUuid) { 19237 final List<File> files = new ArrayList<>(); 19238 Collections.addAll(files, FileUtils 19239 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19240 Collections.addAll(files, FileUtils 19241 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19242 for (File file : files) { 19243 if (!file.isDirectory()) continue; 19244 19245 final int userId; 19246 final UserInfo info; 19247 try { 19248 userId = Integer.parseInt(file.getName()); 19249 info = sUserManager.getUserInfo(userId); 19250 } catch (NumberFormatException e) { 19251 Slog.w(TAG, "Invalid user directory " + file); 19252 continue; 19253 } 19254 19255 boolean destroyUser = false; 19256 if (info == null) { 19257 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19258 + " because no matching user was found"); 19259 destroyUser = true; 19260 } else if (!mOnlyCore) { 19261 try { 19262 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19263 } catch (IOException e) { 19264 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19265 + " because we failed to enforce serial number: " + e); 19266 destroyUser = true; 19267 } 19268 } 19269 19270 if (destroyUser) { 19271 synchronized (mInstallLock) { 19272 destroyUserDataLI(volumeUuid, userId, 19273 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19274 } 19275 } 19276 } 19277 } 19278 19279 private void assertPackageKnown(String volumeUuid, String packageName) 19280 throws PackageManagerException { 19281 synchronized (mPackages) { 19282 final PackageSetting ps = mSettings.mPackages.get(packageName); 19283 if (ps == null) { 19284 throw new PackageManagerException("Package " + packageName + " is unknown"); 19285 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19286 throw new PackageManagerException( 19287 "Package " + packageName + " found on unknown volume " + volumeUuid 19288 + "; expected volume " + ps.volumeUuid); 19289 } 19290 } 19291 } 19292 19293 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19294 throws PackageManagerException { 19295 synchronized (mPackages) { 19296 final PackageSetting ps = mSettings.mPackages.get(packageName); 19297 if (ps == null) { 19298 throw new PackageManagerException("Package " + packageName + " is unknown"); 19299 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19300 throw new PackageManagerException( 19301 "Package " + packageName + " found on unknown volume " + volumeUuid 19302 + "; expected volume " + ps.volumeUuid); 19303 } else if (!ps.getInstalled(userId)) { 19304 throw new PackageManagerException( 19305 "Package " + packageName + " not installed for user " + userId); 19306 } 19307 } 19308 } 19309 19310 /** 19311 * Examine all apps present on given mounted volume, and destroy apps that 19312 * aren't expected, either due to uninstallation or reinstallation on 19313 * another volume. 19314 */ 19315 private void reconcileApps(String volumeUuid) { 19316 final File[] files = FileUtils 19317 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19318 for (File file : files) { 19319 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19320 && !PackageInstallerService.isStageName(file.getName()); 19321 if (!isPackage) { 19322 // Ignore entries which are not packages 19323 continue; 19324 } 19325 19326 try { 19327 final PackageLite pkg = PackageParser.parsePackageLite(file, 19328 PackageParser.PARSE_MUST_BE_APK); 19329 assertPackageKnown(volumeUuid, pkg.packageName); 19330 19331 } catch (PackageParserException | PackageManagerException e) { 19332 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19333 synchronized (mInstallLock) { 19334 removeCodePathLI(file); 19335 } 19336 } 19337 } 19338 } 19339 19340 /** 19341 * Reconcile all app data for the given user. 19342 * <p> 19343 * Verifies that directories exist and that ownership and labeling is 19344 * correct for all installed apps on all mounted volumes. 19345 */ 19346 void reconcileAppsData(int userId, int flags) { 19347 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19348 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19349 final String volumeUuid = vol.getFsUuid(); 19350 synchronized (mInstallLock) { 19351 reconcileAppsDataLI(volumeUuid, userId, flags); 19352 } 19353 } 19354 } 19355 19356 /** 19357 * Reconcile all app data on given mounted volume. 19358 * <p> 19359 * Destroys app data that isn't expected, either due to uninstallation or 19360 * reinstallation on another volume. 19361 * <p> 19362 * Verifies that directories exist and that ownership and labeling is 19363 * correct for all installed apps. 19364 */ 19365 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19366 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19367 + Integer.toHexString(flags)); 19368 19369 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19370 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19371 19372 boolean restoreconNeeded = false; 19373 19374 // First look for stale data that doesn't belong, and check if things 19375 // have changed since we did our last restorecon 19376 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19377 if (StorageManager.isFileEncryptedNativeOrEmulated() 19378 && !StorageManager.isUserKeyUnlocked(userId)) { 19379 throw new RuntimeException( 19380 "Yikes, someone asked us to reconcile CE storage while " + userId 19381 + " was still locked; this would have caused massive data loss!"); 19382 } 19383 19384 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19385 19386 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19387 for (File file : files) { 19388 final String packageName = file.getName(); 19389 try { 19390 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19391 } catch (PackageManagerException e) { 19392 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19393 try { 19394 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19395 StorageManager.FLAG_STORAGE_CE, 0); 19396 } catch (InstallerException e2) { 19397 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19398 } 19399 } 19400 } 19401 } 19402 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19403 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19404 19405 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19406 for (File file : files) { 19407 final String packageName = file.getName(); 19408 try { 19409 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19410 } catch (PackageManagerException e) { 19411 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19412 try { 19413 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19414 StorageManager.FLAG_STORAGE_DE, 0); 19415 } catch (InstallerException e2) { 19416 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19417 } 19418 } 19419 } 19420 } 19421 19422 // Ensure that data directories are ready to roll for all packages 19423 // installed for this volume and user 19424 final List<PackageSetting> packages; 19425 synchronized (mPackages) { 19426 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19427 } 19428 int preparedCount = 0; 19429 for (PackageSetting ps : packages) { 19430 final String packageName = ps.name; 19431 if (ps.pkg == null) { 19432 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19433 // TODO: might be due to legacy ASEC apps; we should circle back 19434 // and reconcile again once they're scanned 19435 continue; 19436 } 19437 19438 if (ps.getInstalled(userId)) { 19439 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19440 19441 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19442 // We may have just shuffled around app data directories, so 19443 // prepare them one more time 19444 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19445 } 19446 19447 preparedCount++; 19448 } 19449 } 19450 19451 if (restoreconNeeded) { 19452 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19453 SELinuxMMAC.setRestoreconDone(ceDir); 19454 } 19455 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19456 SELinuxMMAC.setRestoreconDone(deDir); 19457 } 19458 } 19459 19460 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19461 + " packages; restoreconNeeded was " + restoreconNeeded); 19462 } 19463 19464 /** 19465 * Prepare app data for the given app just after it was installed or 19466 * upgraded. This method carefully only touches users that it's installed 19467 * for, and it forces a restorecon to handle any seinfo changes. 19468 * <p> 19469 * Verifies that directories exist and that ownership and labeling is 19470 * correct for all installed apps. If there is an ownership mismatch, it 19471 * will try recovering system apps by wiping data; third-party app data is 19472 * left intact. 19473 * <p> 19474 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19475 */ 19476 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19477 final PackageSetting ps; 19478 synchronized (mPackages) { 19479 ps = mSettings.mPackages.get(pkg.packageName); 19480 mSettings.writeKernelMappingLPr(ps); 19481 } 19482 19483 final UserManager um = mContext.getSystemService(UserManager.class); 19484 UserManagerInternal umInternal = getUserManagerInternal(); 19485 for (UserInfo user : um.getUsers()) { 19486 final int flags; 19487 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19488 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19489 } else if (umInternal.isUserRunning(user.id)) { 19490 flags = StorageManager.FLAG_STORAGE_DE; 19491 } else { 19492 continue; 19493 } 19494 19495 if (ps.getInstalled(user.id)) { 19496 // Whenever an app changes, force a restorecon of its data 19497 // TODO: when user data is locked, mark that we're still dirty 19498 prepareAppDataLIF(pkg, user.id, flags, true); 19499 } 19500 } 19501 } 19502 19503 /** 19504 * Prepare app data for the given app. 19505 * <p> 19506 * Verifies that directories exist and that ownership and labeling is 19507 * correct for all installed apps. If there is an ownership mismatch, this 19508 * will try recovering system apps by wiping data; third-party app data is 19509 * left intact. 19510 */ 19511 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19512 boolean restoreconNeeded) { 19513 if (pkg == null) { 19514 Slog.wtf(TAG, "Package was null!", new Throwable()); 19515 return; 19516 } 19517 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19518 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19519 for (int i = 0; i < childCount; i++) { 19520 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19521 } 19522 } 19523 19524 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19525 boolean restoreconNeeded) { 19526 if (DEBUG_APP_DATA) { 19527 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19528 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19529 } 19530 19531 final String volumeUuid = pkg.volumeUuid; 19532 final String packageName = pkg.packageName; 19533 final ApplicationInfo app = pkg.applicationInfo; 19534 final int appId = UserHandle.getAppId(app.uid); 19535 19536 Preconditions.checkNotNull(app.seinfo); 19537 19538 try { 19539 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19540 appId, app.seinfo, app.targetSdkVersion); 19541 } catch (InstallerException e) { 19542 if (app.isSystemApp()) { 19543 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19544 + ", but trying to recover: " + e); 19545 destroyAppDataLeafLIF(pkg, userId, flags); 19546 try { 19547 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19548 appId, app.seinfo, app.targetSdkVersion); 19549 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19550 } catch (InstallerException e2) { 19551 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19552 } 19553 } else { 19554 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19555 } 19556 } 19557 19558 if (restoreconNeeded) { 19559 try { 19560 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19561 app.seinfo); 19562 } catch (InstallerException e) { 19563 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19564 } 19565 } 19566 19567 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19568 try { 19569 // CE storage is unlocked right now, so read out the inode and 19570 // remember for use later when it's locked 19571 // TODO: mark this structure as dirty so we persist it! 19572 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19573 StorageManager.FLAG_STORAGE_CE); 19574 synchronized (mPackages) { 19575 final PackageSetting ps = mSettings.mPackages.get(packageName); 19576 if (ps != null) { 19577 ps.setCeDataInode(ceDataInode, userId); 19578 } 19579 } 19580 } catch (InstallerException e) { 19581 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19582 } 19583 } 19584 19585 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19586 } 19587 19588 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19589 if (pkg == null) { 19590 Slog.wtf(TAG, "Package was null!", new Throwable()); 19591 return; 19592 } 19593 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19594 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19595 for (int i = 0; i < childCount; i++) { 19596 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19597 } 19598 } 19599 19600 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19601 final String volumeUuid = pkg.volumeUuid; 19602 final String packageName = pkg.packageName; 19603 final ApplicationInfo app = pkg.applicationInfo; 19604 19605 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19606 // Create a native library symlink only if we have native libraries 19607 // and if the native libraries are 32 bit libraries. We do not provide 19608 // this symlink for 64 bit libraries. 19609 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19610 final String nativeLibPath = app.nativeLibraryDir; 19611 try { 19612 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19613 nativeLibPath, userId); 19614 } catch (InstallerException e) { 19615 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19616 } 19617 } 19618 } 19619 } 19620 19621 /** 19622 * For system apps on non-FBE devices, this method migrates any existing 19623 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19624 * requested by the app. 19625 */ 19626 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19627 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19628 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19629 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19630 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19631 try { 19632 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19633 storageTarget); 19634 } catch (InstallerException e) { 19635 logCriticalInfo(Log.WARN, 19636 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19637 } 19638 return true; 19639 } else { 19640 return false; 19641 } 19642 } 19643 19644 public PackageFreezer freezePackage(String packageName, String killReason) { 19645 return new PackageFreezer(packageName, killReason); 19646 } 19647 19648 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19649 String killReason) { 19650 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19651 return new PackageFreezer(); 19652 } else { 19653 return freezePackage(packageName, killReason); 19654 } 19655 } 19656 19657 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19658 String killReason) { 19659 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19660 return new PackageFreezer(); 19661 } else { 19662 return freezePackage(packageName, killReason); 19663 } 19664 } 19665 19666 /** 19667 * Class that freezes and kills the given package upon creation, and 19668 * unfreezes it upon closing. This is typically used when doing surgery on 19669 * app code/data to prevent the app from running while you're working. 19670 */ 19671 private class PackageFreezer implements AutoCloseable { 19672 private final String mPackageName; 19673 private final PackageFreezer[] mChildren; 19674 19675 private final boolean mWeFroze; 19676 19677 private final AtomicBoolean mClosed = new AtomicBoolean(); 19678 private final CloseGuard mCloseGuard = CloseGuard.get(); 19679 19680 /** 19681 * Create and return a stub freezer that doesn't actually do anything, 19682 * typically used when someone requested 19683 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19684 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19685 */ 19686 public PackageFreezer() { 19687 mPackageName = null; 19688 mChildren = null; 19689 mWeFroze = false; 19690 mCloseGuard.open("close"); 19691 } 19692 19693 public PackageFreezer(String packageName, String killReason) { 19694 synchronized (mPackages) { 19695 mPackageName = packageName; 19696 mWeFroze = mFrozenPackages.add(mPackageName); 19697 19698 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19699 if (ps != null) { 19700 killApplication(ps.name, ps.appId, killReason); 19701 } 19702 19703 final PackageParser.Package p = mPackages.get(packageName); 19704 if (p != null && p.childPackages != null) { 19705 final int N = p.childPackages.size(); 19706 mChildren = new PackageFreezer[N]; 19707 for (int i = 0; i < N; i++) { 19708 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19709 killReason); 19710 } 19711 } else { 19712 mChildren = null; 19713 } 19714 } 19715 mCloseGuard.open("close"); 19716 } 19717 19718 @Override 19719 protected void finalize() throws Throwable { 19720 try { 19721 mCloseGuard.warnIfOpen(); 19722 close(); 19723 } finally { 19724 super.finalize(); 19725 } 19726 } 19727 19728 @Override 19729 public void close() { 19730 mCloseGuard.close(); 19731 if (mClosed.compareAndSet(false, true)) { 19732 synchronized (mPackages) { 19733 if (mWeFroze) { 19734 mFrozenPackages.remove(mPackageName); 19735 } 19736 19737 if (mChildren != null) { 19738 for (PackageFreezer freezer : mChildren) { 19739 freezer.close(); 19740 } 19741 } 19742 } 19743 } 19744 } 19745 } 19746 19747 /** 19748 * Verify that given package is currently frozen. 19749 */ 19750 private void checkPackageFrozen(String packageName) { 19751 synchronized (mPackages) { 19752 if (!mFrozenPackages.contains(packageName)) { 19753 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19754 } 19755 } 19756 } 19757 19758 @Override 19759 public int movePackage(final String packageName, final String volumeUuid) { 19760 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19761 19762 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19763 final int moveId = mNextMoveId.getAndIncrement(); 19764 mHandler.post(new Runnable() { 19765 @Override 19766 public void run() { 19767 try { 19768 movePackageInternal(packageName, volumeUuid, moveId, user); 19769 } catch (PackageManagerException e) { 19770 Slog.w(TAG, "Failed to move " + packageName, e); 19771 mMoveCallbacks.notifyStatusChanged(moveId, 19772 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19773 } 19774 } 19775 }); 19776 return moveId; 19777 } 19778 19779 private void movePackageInternal(final String packageName, final String volumeUuid, 19780 final int moveId, UserHandle user) throws PackageManagerException { 19781 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19782 final PackageManager pm = mContext.getPackageManager(); 19783 19784 final boolean currentAsec; 19785 final String currentVolumeUuid; 19786 final File codeFile; 19787 final String installerPackageName; 19788 final String packageAbiOverride; 19789 final int appId; 19790 final String seinfo; 19791 final String label; 19792 final int targetSdkVersion; 19793 final PackageFreezer freezer; 19794 final int[] installedUserIds; 19795 19796 // reader 19797 synchronized (mPackages) { 19798 final PackageParser.Package pkg = mPackages.get(packageName); 19799 final PackageSetting ps = mSettings.mPackages.get(packageName); 19800 if (pkg == null || ps == null) { 19801 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19802 } 19803 19804 if (pkg.applicationInfo.isSystemApp()) { 19805 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19806 "Cannot move system application"); 19807 } 19808 19809 if (pkg.applicationInfo.isExternalAsec()) { 19810 currentAsec = true; 19811 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19812 } else if (pkg.applicationInfo.isForwardLocked()) { 19813 currentAsec = true; 19814 currentVolumeUuid = "forward_locked"; 19815 } else { 19816 currentAsec = false; 19817 currentVolumeUuid = ps.volumeUuid; 19818 19819 final File probe = new File(pkg.codePath); 19820 final File probeOat = new File(probe, "oat"); 19821 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19822 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19823 "Move only supported for modern cluster style installs"); 19824 } 19825 } 19826 19827 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19828 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19829 "Package already moved to " + volumeUuid); 19830 } 19831 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19832 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19833 "Device admin cannot be moved"); 19834 } 19835 19836 if (mFrozenPackages.contains(packageName)) { 19837 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19838 "Failed to move already frozen package"); 19839 } 19840 19841 codeFile = new File(pkg.codePath); 19842 installerPackageName = ps.installerPackageName; 19843 packageAbiOverride = ps.cpuAbiOverrideString; 19844 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19845 seinfo = pkg.applicationInfo.seinfo; 19846 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19847 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19848 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19849 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 19850 } 19851 19852 final Bundle extras = new Bundle(); 19853 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19854 extras.putString(Intent.EXTRA_TITLE, label); 19855 mMoveCallbacks.notifyCreated(moveId, extras); 19856 19857 int installFlags; 19858 final boolean moveCompleteApp; 19859 final File measurePath; 19860 19861 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19862 installFlags = INSTALL_INTERNAL; 19863 moveCompleteApp = !currentAsec; 19864 measurePath = Environment.getDataAppDirectory(volumeUuid); 19865 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19866 installFlags = INSTALL_EXTERNAL; 19867 moveCompleteApp = false; 19868 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19869 } else { 19870 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19871 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19872 || !volume.isMountedWritable()) { 19873 freezer.close(); 19874 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19875 "Move location not mounted private volume"); 19876 } 19877 19878 Preconditions.checkState(!currentAsec); 19879 19880 installFlags = INSTALL_INTERNAL; 19881 moveCompleteApp = true; 19882 measurePath = Environment.getDataAppDirectory(volumeUuid); 19883 } 19884 19885 final PackageStats stats = new PackageStats(null, -1); 19886 synchronized (mInstaller) { 19887 for (int userId : installedUserIds) { 19888 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 19889 freezer.close(); 19890 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19891 "Failed to measure package size"); 19892 } 19893 } 19894 } 19895 19896 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19897 + stats.dataSize); 19898 19899 final long startFreeBytes = measurePath.getFreeSpace(); 19900 final long sizeBytes; 19901 if (moveCompleteApp) { 19902 sizeBytes = stats.codeSize + stats.dataSize; 19903 } else { 19904 sizeBytes = stats.codeSize; 19905 } 19906 19907 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19908 freezer.close(); 19909 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19910 "Not enough free space to move"); 19911 } 19912 19913 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19914 19915 final CountDownLatch installedLatch = new CountDownLatch(1); 19916 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19917 @Override 19918 public void onUserActionRequired(Intent intent) throws RemoteException { 19919 throw new IllegalStateException(); 19920 } 19921 19922 @Override 19923 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19924 Bundle extras) throws RemoteException { 19925 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19926 + PackageManager.installStatusToString(returnCode, msg)); 19927 19928 installedLatch.countDown(); 19929 freezer.close(); 19930 19931 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19932 switch (status) { 19933 case PackageInstaller.STATUS_SUCCESS: 19934 mMoveCallbacks.notifyStatusChanged(moveId, 19935 PackageManager.MOVE_SUCCEEDED); 19936 break; 19937 case PackageInstaller.STATUS_FAILURE_STORAGE: 19938 mMoveCallbacks.notifyStatusChanged(moveId, 19939 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19940 break; 19941 default: 19942 mMoveCallbacks.notifyStatusChanged(moveId, 19943 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19944 break; 19945 } 19946 } 19947 }; 19948 19949 final MoveInfo move; 19950 if (moveCompleteApp) { 19951 // Kick off a thread to report progress estimates 19952 new Thread() { 19953 @Override 19954 public void run() { 19955 while (true) { 19956 try { 19957 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19958 break; 19959 } 19960 } catch (InterruptedException ignored) { 19961 } 19962 19963 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19964 final int progress = 10 + (int) MathUtils.constrain( 19965 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19966 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19967 } 19968 } 19969 }.start(); 19970 19971 final String dataAppName = codeFile.getName(); 19972 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19973 dataAppName, appId, seinfo, targetSdkVersion); 19974 } else { 19975 move = null; 19976 } 19977 19978 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19979 19980 final Message msg = mHandler.obtainMessage(INIT_COPY); 19981 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19982 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19983 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19984 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19985 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19986 msg.obj = params; 19987 19988 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19989 System.identityHashCode(msg.obj)); 19990 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19991 System.identityHashCode(msg.obj)); 19992 19993 mHandler.sendMessage(msg); 19994 } 19995 19996 @Override 19997 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19998 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19999 20000 final int realMoveId = mNextMoveId.getAndIncrement(); 20001 final Bundle extras = new Bundle(); 20002 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20003 mMoveCallbacks.notifyCreated(realMoveId, extras); 20004 20005 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20006 @Override 20007 public void onCreated(int moveId, Bundle extras) { 20008 // Ignored 20009 } 20010 20011 @Override 20012 public void onStatusChanged(int moveId, int status, long estMillis) { 20013 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20014 } 20015 }; 20016 20017 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20018 storage.setPrimaryStorageUuid(volumeUuid, callback); 20019 return realMoveId; 20020 } 20021 20022 @Override 20023 public int getMoveStatus(int moveId) { 20024 mContext.enforceCallingOrSelfPermission( 20025 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20026 return mMoveCallbacks.mLastStatus.get(moveId); 20027 } 20028 20029 @Override 20030 public void registerMoveCallback(IPackageMoveObserver callback) { 20031 mContext.enforceCallingOrSelfPermission( 20032 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20033 mMoveCallbacks.register(callback); 20034 } 20035 20036 @Override 20037 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20038 mContext.enforceCallingOrSelfPermission( 20039 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20040 mMoveCallbacks.unregister(callback); 20041 } 20042 20043 @Override 20044 public boolean setInstallLocation(int loc) { 20045 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20046 null); 20047 if (getInstallLocation() == loc) { 20048 return true; 20049 } 20050 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20051 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20052 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20053 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20054 return true; 20055 } 20056 return false; 20057 } 20058 20059 @Override 20060 public int getInstallLocation() { 20061 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20062 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20063 PackageHelper.APP_INSTALL_AUTO); 20064 } 20065 20066 /** Called by UserManagerService */ 20067 void cleanUpUser(UserManagerService userManager, int userHandle) { 20068 synchronized (mPackages) { 20069 mDirtyUsers.remove(userHandle); 20070 mUserNeedsBadging.delete(userHandle); 20071 mSettings.removeUserLPw(userHandle); 20072 mPendingBroadcasts.remove(userHandle); 20073 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20074 removeUnusedPackagesLPw(userManager, userHandle); 20075 } 20076 } 20077 20078 /** 20079 * We're removing userHandle and would like to remove any downloaded packages 20080 * that are no longer in use by any other user. 20081 * @param userHandle the user being removed 20082 */ 20083 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20084 final boolean DEBUG_CLEAN_APKS = false; 20085 int [] users = userManager.getUserIds(); 20086 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20087 while (psit.hasNext()) { 20088 PackageSetting ps = psit.next(); 20089 if (ps.pkg == null) { 20090 continue; 20091 } 20092 final String packageName = ps.pkg.packageName; 20093 // Skip over if system app 20094 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20095 continue; 20096 } 20097 if (DEBUG_CLEAN_APKS) { 20098 Slog.i(TAG, "Checking package " + packageName); 20099 } 20100 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20101 if (keep) { 20102 if (DEBUG_CLEAN_APKS) { 20103 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20104 } 20105 } else { 20106 for (int i = 0; i < users.length; i++) { 20107 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20108 keep = true; 20109 if (DEBUG_CLEAN_APKS) { 20110 Slog.i(TAG, " Keeping package " + packageName + " for user " 20111 + users[i]); 20112 } 20113 break; 20114 } 20115 } 20116 } 20117 if (!keep) { 20118 if (DEBUG_CLEAN_APKS) { 20119 Slog.i(TAG, " Removing package " + packageName); 20120 } 20121 mHandler.post(new Runnable() { 20122 public void run() { 20123 deletePackageX(packageName, userHandle, 0); 20124 } //end run 20125 }); 20126 } 20127 } 20128 } 20129 20130 /** Called by UserManagerService */ 20131 void createNewUser(int userId) { 20132 synchronized (mInstallLock) { 20133 mSettings.createNewUserLI(this, mInstaller, userId); 20134 } 20135 synchronized (mPackages) { 20136 scheduleWritePackageRestrictionsLocked(userId); 20137 scheduleWritePackageListLocked(userId); 20138 applyFactoryDefaultBrowserLPw(userId); 20139 primeDomainVerificationsLPw(userId); 20140 } 20141 } 20142 20143 void onBeforeUserStartUninitialized(final int userId) { 20144 synchronized (mPackages) { 20145 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20146 return; 20147 } 20148 } 20149 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20150 // If permission review for legacy apps is required, we represent 20151 // dagerous permissions for such apps as always granted runtime 20152 // permissions to keep per user flag state whether review is needed. 20153 // Hence, if a new user is added we have to propagate dangerous 20154 // permission grants for these legacy apps. 20155 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20156 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20157 | UPDATE_PERMISSIONS_REPLACE_ALL); 20158 } 20159 } 20160 20161 @Override 20162 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20163 mContext.enforceCallingOrSelfPermission( 20164 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20165 "Only package verification agents can read the verifier device identity"); 20166 20167 synchronized (mPackages) { 20168 return mSettings.getVerifierDeviceIdentityLPw(); 20169 } 20170 } 20171 20172 @Override 20173 public void setPermissionEnforced(String permission, boolean enforced) { 20174 // TODO: Now that we no longer change GID for storage, this should to away. 20175 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20176 "setPermissionEnforced"); 20177 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20178 synchronized (mPackages) { 20179 if (mSettings.mReadExternalStorageEnforced == null 20180 || mSettings.mReadExternalStorageEnforced != enforced) { 20181 mSettings.mReadExternalStorageEnforced = enforced; 20182 mSettings.writeLPr(); 20183 } 20184 } 20185 // kill any non-foreground processes so we restart them and 20186 // grant/revoke the GID. 20187 final IActivityManager am = ActivityManagerNative.getDefault(); 20188 if (am != null) { 20189 final long token = Binder.clearCallingIdentity(); 20190 try { 20191 am.killProcessesBelowForeground("setPermissionEnforcement"); 20192 } catch (RemoteException e) { 20193 } finally { 20194 Binder.restoreCallingIdentity(token); 20195 } 20196 } 20197 } else { 20198 throw new IllegalArgumentException("No selective enforcement for " + permission); 20199 } 20200 } 20201 20202 @Override 20203 @Deprecated 20204 public boolean isPermissionEnforced(String permission) { 20205 return true; 20206 } 20207 20208 @Override 20209 public boolean isStorageLow() { 20210 final long token = Binder.clearCallingIdentity(); 20211 try { 20212 final DeviceStorageMonitorInternal 20213 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20214 if (dsm != null) { 20215 return dsm.isMemoryLow(); 20216 } else { 20217 return false; 20218 } 20219 } finally { 20220 Binder.restoreCallingIdentity(token); 20221 } 20222 } 20223 20224 @Override 20225 public IPackageInstaller getPackageInstaller() { 20226 return mInstallerService; 20227 } 20228 20229 private boolean userNeedsBadging(int userId) { 20230 int index = mUserNeedsBadging.indexOfKey(userId); 20231 if (index < 0) { 20232 final UserInfo userInfo; 20233 final long token = Binder.clearCallingIdentity(); 20234 try { 20235 userInfo = sUserManager.getUserInfo(userId); 20236 } finally { 20237 Binder.restoreCallingIdentity(token); 20238 } 20239 final boolean b; 20240 if (userInfo != null && userInfo.isManagedProfile()) { 20241 b = true; 20242 } else { 20243 b = false; 20244 } 20245 mUserNeedsBadging.put(userId, b); 20246 return b; 20247 } 20248 return mUserNeedsBadging.valueAt(index); 20249 } 20250 20251 @Override 20252 public KeySet getKeySetByAlias(String packageName, String alias) { 20253 if (packageName == null || alias == null) { 20254 return null; 20255 } 20256 synchronized(mPackages) { 20257 final PackageParser.Package pkg = mPackages.get(packageName); 20258 if (pkg == null) { 20259 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20260 throw new IllegalArgumentException("Unknown package: " + packageName); 20261 } 20262 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20263 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20264 } 20265 } 20266 20267 @Override 20268 public KeySet getSigningKeySet(String packageName) { 20269 if (packageName == null) { 20270 return null; 20271 } 20272 synchronized(mPackages) { 20273 final PackageParser.Package pkg = mPackages.get(packageName); 20274 if (pkg == null) { 20275 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20276 throw new IllegalArgumentException("Unknown package: " + packageName); 20277 } 20278 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20279 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20280 throw new SecurityException("May not access signing KeySet of other apps."); 20281 } 20282 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20283 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20284 } 20285 } 20286 20287 @Override 20288 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20289 if (packageName == null || ks == null) { 20290 return false; 20291 } 20292 synchronized(mPackages) { 20293 final PackageParser.Package pkg = mPackages.get(packageName); 20294 if (pkg == null) { 20295 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20296 throw new IllegalArgumentException("Unknown package: " + packageName); 20297 } 20298 IBinder ksh = ks.getToken(); 20299 if (ksh instanceof KeySetHandle) { 20300 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20301 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20302 } 20303 return false; 20304 } 20305 } 20306 20307 @Override 20308 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20309 if (packageName == null || ks == null) { 20310 return false; 20311 } 20312 synchronized(mPackages) { 20313 final PackageParser.Package pkg = mPackages.get(packageName); 20314 if (pkg == null) { 20315 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20316 throw new IllegalArgumentException("Unknown package: " + packageName); 20317 } 20318 IBinder ksh = ks.getToken(); 20319 if (ksh instanceof KeySetHandle) { 20320 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20321 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20322 } 20323 return false; 20324 } 20325 } 20326 20327 private void deletePackageIfUnusedLPr(final String packageName) { 20328 PackageSetting ps = mSettings.mPackages.get(packageName); 20329 if (ps == null) { 20330 return; 20331 } 20332 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20333 // TODO Implement atomic delete if package is unused 20334 // It is currently possible that the package will be deleted even if it is installed 20335 // after this method returns. 20336 mHandler.post(new Runnable() { 20337 public void run() { 20338 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20339 } 20340 }); 20341 } 20342 } 20343 20344 /** 20345 * Check and throw if the given before/after packages would be considered a 20346 * downgrade. 20347 */ 20348 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20349 throws PackageManagerException { 20350 if (after.versionCode < before.mVersionCode) { 20351 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20352 "Update version code " + after.versionCode + " is older than current " 20353 + before.mVersionCode); 20354 } else if (after.versionCode == before.mVersionCode) { 20355 if (after.baseRevisionCode < before.baseRevisionCode) { 20356 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20357 "Update base revision code " + after.baseRevisionCode 20358 + " is older than current " + before.baseRevisionCode); 20359 } 20360 20361 if (!ArrayUtils.isEmpty(after.splitNames)) { 20362 for (int i = 0; i < after.splitNames.length; i++) { 20363 final String splitName = after.splitNames[i]; 20364 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20365 if (j != -1) { 20366 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20367 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20368 "Update split " + splitName + " revision code " 20369 + after.splitRevisionCodes[i] + " is older than current " 20370 + before.splitRevisionCodes[j]); 20371 } 20372 } 20373 } 20374 } 20375 } 20376 } 20377 20378 private static class MoveCallbacks extends Handler { 20379 private static final int MSG_CREATED = 1; 20380 private static final int MSG_STATUS_CHANGED = 2; 20381 20382 private final RemoteCallbackList<IPackageMoveObserver> 20383 mCallbacks = new RemoteCallbackList<>(); 20384 20385 private final SparseIntArray mLastStatus = new SparseIntArray(); 20386 20387 public MoveCallbacks(Looper looper) { 20388 super(looper); 20389 } 20390 20391 public void register(IPackageMoveObserver callback) { 20392 mCallbacks.register(callback); 20393 } 20394 20395 public void unregister(IPackageMoveObserver callback) { 20396 mCallbacks.unregister(callback); 20397 } 20398 20399 @Override 20400 public void handleMessage(Message msg) { 20401 final SomeArgs args = (SomeArgs) msg.obj; 20402 final int n = mCallbacks.beginBroadcast(); 20403 for (int i = 0; i < n; i++) { 20404 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20405 try { 20406 invokeCallback(callback, msg.what, args); 20407 } catch (RemoteException ignored) { 20408 } 20409 } 20410 mCallbacks.finishBroadcast(); 20411 args.recycle(); 20412 } 20413 20414 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20415 throws RemoteException { 20416 switch (what) { 20417 case MSG_CREATED: { 20418 callback.onCreated(args.argi1, (Bundle) args.arg2); 20419 break; 20420 } 20421 case MSG_STATUS_CHANGED: { 20422 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20423 break; 20424 } 20425 } 20426 } 20427 20428 private void notifyCreated(int moveId, Bundle extras) { 20429 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20430 20431 final SomeArgs args = SomeArgs.obtain(); 20432 args.argi1 = moveId; 20433 args.arg2 = extras; 20434 obtainMessage(MSG_CREATED, args).sendToTarget(); 20435 } 20436 20437 private void notifyStatusChanged(int moveId, int status) { 20438 notifyStatusChanged(moveId, status, -1); 20439 } 20440 20441 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20442 Slog.v(TAG, "Move " + moveId + " status " + status); 20443 20444 final SomeArgs args = SomeArgs.obtain(); 20445 args.argi1 = moveId; 20446 args.argi2 = status; 20447 args.arg3 = estMillis; 20448 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20449 20450 synchronized (mLastStatus) { 20451 mLastStatus.put(moveId, status); 20452 } 20453 } 20454 } 20455 20456 private final static class OnPermissionChangeListeners extends Handler { 20457 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20458 20459 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20460 new RemoteCallbackList<>(); 20461 20462 public OnPermissionChangeListeners(Looper looper) { 20463 super(looper); 20464 } 20465 20466 @Override 20467 public void handleMessage(Message msg) { 20468 switch (msg.what) { 20469 case MSG_ON_PERMISSIONS_CHANGED: { 20470 final int uid = msg.arg1; 20471 handleOnPermissionsChanged(uid); 20472 } break; 20473 } 20474 } 20475 20476 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20477 mPermissionListeners.register(listener); 20478 20479 } 20480 20481 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20482 mPermissionListeners.unregister(listener); 20483 } 20484 20485 public void onPermissionsChanged(int uid) { 20486 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20487 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20488 } 20489 } 20490 20491 private void handleOnPermissionsChanged(int uid) { 20492 final int count = mPermissionListeners.beginBroadcast(); 20493 try { 20494 for (int i = 0; i < count; i++) { 20495 IOnPermissionsChangeListener callback = mPermissionListeners 20496 .getBroadcastItem(i); 20497 try { 20498 callback.onPermissionsChanged(uid); 20499 } catch (RemoteException e) { 20500 Log.e(TAG, "Permission listener is dead", e); 20501 } 20502 } 20503 } finally { 20504 mPermissionListeners.finishBroadcast(); 20505 } 20506 } 20507 } 20508 20509 private class PackageManagerInternalImpl extends PackageManagerInternal { 20510 @Override 20511 public void setLocationPackagesProvider(PackagesProvider provider) { 20512 synchronized (mPackages) { 20513 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20514 } 20515 } 20516 20517 @Override 20518 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20519 synchronized (mPackages) { 20520 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20521 } 20522 } 20523 20524 @Override 20525 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20526 synchronized (mPackages) { 20527 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20528 } 20529 } 20530 20531 @Override 20532 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20533 synchronized (mPackages) { 20534 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20535 } 20536 } 20537 20538 @Override 20539 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20540 synchronized (mPackages) { 20541 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20542 } 20543 } 20544 20545 @Override 20546 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20547 synchronized (mPackages) { 20548 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20549 } 20550 } 20551 20552 @Override 20553 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20554 synchronized (mPackages) { 20555 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20556 packageName, userId); 20557 } 20558 } 20559 20560 @Override 20561 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20562 synchronized (mPackages) { 20563 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20564 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20565 packageName, userId); 20566 } 20567 } 20568 20569 @Override 20570 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20571 synchronized (mPackages) { 20572 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20573 packageName, userId); 20574 } 20575 } 20576 20577 @Override 20578 public void setKeepUninstalledPackages(final List<String> packageList) { 20579 Preconditions.checkNotNull(packageList); 20580 List<String> removedFromList = null; 20581 synchronized (mPackages) { 20582 if (mKeepUninstalledPackages != null) { 20583 final int packagesCount = mKeepUninstalledPackages.size(); 20584 for (int i = 0; i < packagesCount; i++) { 20585 String oldPackage = mKeepUninstalledPackages.get(i); 20586 if (packageList != null && packageList.contains(oldPackage)) { 20587 continue; 20588 } 20589 if (removedFromList == null) { 20590 removedFromList = new ArrayList<>(); 20591 } 20592 removedFromList.add(oldPackage); 20593 } 20594 } 20595 mKeepUninstalledPackages = new ArrayList<>(packageList); 20596 if (removedFromList != null) { 20597 final int removedCount = removedFromList.size(); 20598 for (int i = 0; i < removedCount; i++) { 20599 deletePackageIfUnusedLPr(removedFromList.get(i)); 20600 } 20601 } 20602 } 20603 } 20604 20605 @Override 20606 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20607 synchronized (mPackages) { 20608 // If we do not support permission review, done. 20609 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20610 return false; 20611 } 20612 20613 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20614 if (packageSetting == null) { 20615 return false; 20616 } 20617 20618 // Permission review applies only to apps not supporting the new permission model. 20619 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20620 return false; 20621 } 20622 20623 // Legacy apps have the permission and get user consent on launch. 20624 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20625 return permissionsState.isPermissionReviewRequired(userId); 20626 } 20627 } 20628 20629 @Override 20630 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20631 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20632 } 20633 20634 @Override 20635 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20636 int userId) { 20637 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20638 } 20639 } 20640 20641 @Override 20642 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20643 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20644 synchronized (mPackages) { 20645 final long identity = Binder.clearCallingIdentity(); 20646 try { 20647 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20648 packageNames, userId); 20649 } finally { 20650 Binder.restoreCallingIdentity(identity); 20651 } 20652 } 20653 } 20654 20655 private static void enforceSystemOrPhoneCaller(String tag) { 20656 int callingUid = Binder.getCallingUid(); 20657 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20658 throw new SecurityException( 20659 "Cannot call " + tag + " from UID " + callingUid); 20660 } 20661 } 20662 20663 boolean isHistoricalPackageUsageAvailable() { 20664 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20665 } 20666 20667 /** 20668 * Return a <b>copy</b> of the collection of packages known to the package manager. 20669 * @return A copy of the values of mPackages. 20670 */ 20671 Collection<PackageParser.Package> getPackages() { 20672 synchronized (mPackages) { 20673 return new ArrayList<>(mPackages.values()); 20674 } 20675 } 20676 20677 /** 20678 * Logs process start information (including base APK hash) to the security log. 20679 * @hide 20680 */ 20681 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20682 String apkFile, int pid) { 20683 if (!SecurityLog.isLoggingEnabled()) { 20684 return; 20685 } 20686 Bundle data = new Bundle(); 20687 data.putLong("startTimestamp", System.currentTimeMillis()); 20688 data.putString("processName", processName); 20689 data.putInt("uid", uid); 20690 data.putString("seinfo", seinfo); 20691 data.putString("apkFile", apkFile); 20692 data.putInt("pid", pid); 20693 Message msg = mProcessLoggingHandler.obtainMessage( 20694 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20695 msg.setData(data); 20696 mProcessLoggingHandler.sendMessage(msg); 20697 } 20698} 20699