PackageManagerService.java revision a87770828637813dacd176ba3c8d3810f7ed6ab8
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 101 102import android.Manifest; 103import android.annotation.NonNull; 104import android.annotation.Nullable; 105import android.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.admin.DevicePolicyManagerInternal; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.Context; 115import android.content.IIntentReceiver; 116import android.content.Intent; 117import android.content.IntentFilter; 118import android.content.IntentSender; 119import android.content.IntentSender.SendIntentException; 120import android.content.ServiceConnection; 121import android.content.pm.ActivityInfo; 122import android.content.pm.ApplicationInfo; 123import android.content.pm.AppsQueryHelper; 124import android.content.pm.ComponentInfo; 125import android.content.pm.EphemeralApplicationInfo; 126import android.content.pm.EphemeralResolveInfo; 127import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 128import android.content.pm.FeatureInfo; 129import android.content.pm.IOnPermissionsChangeListener; 130import android.content.pm.IPackageDataObserver; 131import android.content.pm.IPackageDeleteObserver; 132import android.content.pm.IPackageDeleteObserver2; 133import android.content.pm.IPackageInstallObserver2; 134import android.content.pm.IPackageInstaller; 135import android.content.pm.IPackageManager; 136import android.content.pm.IPackageMoveObserver; 137import android.content.pm.IPackageStatsObserver; 138import android.content.pm.InstrumentationInfo; 139import android.content.pm.IntentFilterVerificationInfo; 140import android.content.pm.KeySet; 141import android.content.pm.PackageCleanItem; 142import android.content.pm.PackageInfo; 143import android.content.pm.PackageInfoLite; 144import android.content.pm.PackageInstaller; 145import android.content.pm.PackageManager; 146import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 147import android.content.pm.PackageManagerInternal; 148import android.content.pm.PackageParser; 149import android.content.pm.PackageParser.ActivityIntentInfo; 150import android.content.pm.PackageParser.PackageLite; 151import android.content.pm.PackageParser.PackageParserException; 152import android.content.pm.PackageStats; 153import android.content.pm.PackageUserState; 154import android.content.pm.ParceledListSlice; 155import android.content.pm.PermissionGroupInfo; 156import android.content.pm.PermissionInfo; 157import android.content.pm.ProviderInfo; 158import android.content.pm.ResolveInfo; 159import android.content.pm.ServiceInfo; 160import android.content.pm.Signature; 161import android.content.pm.UserInfo; 162import android.content.pm.VerifierDeviceIdentity; 163import android.content.pm.VerifierInfo; 164import android.content.res.Resources; 165import android.graphics.Bitmap; 166import android.hardware.display.DisplayManager; 167import android.net.Uri; 168import android.os.Binder; 169import android.os.Build; 170import android.os.Bundle; 171import android.os.Debug; 172import android.os.Environment; 173import android.os.Environment.UserEnvironment; 174import android.os.FileUtils; 175import android.os.Handler; 176import android.os.IBinder; 177import android.os.Looper; 178import android.os.Message; 179import android.os.Parcel; 180import android.os.ParcelFileDescriptor; 181import android.os.Process; 182import android.os.RemoteCallbackList; 183import android.os.RemoteException; 184import android.os.ResultReceiver; 185import android.os.SELinux; 186import android.os.ServiceManager; 187import android.os.SystemClock; 188import android.os.SystemProperties; 189import android.os.Trace; 190import android.os.UserHandle; 191import android.os.UserManager; 192import android.os.UserManagerInternal; 193import android.os.storage.IMountService; 194import android.os.storage.MountServiceInternal; 195import android.os.storage.StorageEventListener; 196import android.os.storage.StorageManager; 197import android.os.storage.VolumeInfo; 198import android.os.storage.VolumeRecord; 199import android.security.KeyStore; 200import android.security.SystemKeyStore; 201import android.system.ErrnoException; 202import android.system.Os; 203import android.text.TextUtils; 204import android.text.format.DateUtils; 205import android.util.ArrayMap; 206import android.util.ArraySet; 207import android.util.AtomicFile; 208import android.util.DisplayMetrics; 209import android.util.EventLog; 210import android.util.ExceptionUtils; 211import android.util.Log; 212import android.util.LogPrinter; 213import android.util.MathUtils; 214import android.util.PrintStreamPrinter; 215import android.util.Slog; 216import android.util.SparseArray; 217import android.util.SparseBooleanArray; 218import android.util.SparseIntArray; 219import android.util.Xml; 220import android.util.jar.StrictJarFile; 221import android.view.Display; 222 223import com.android.internal.R; 224import com.android.internal.annotations.GuardedBy; 225import com.android.internal.app.IMediaContainerService; 226import com.android.internal.app.ResolverActivity; 227import com.android.internal.content.NativeLibraryHelper; 228import com.android.internal.content.PackageHelper; 229import com.android.internal.logging.MetricsLogger; 230import com.android.internal.os.IParcelFileDescriptorFactory; 231import com.android.internal.os.InstallerConnection.InstallerException; 232import com.android.internal.os.SomeArgs; 233import com.android.internal.os.Zygote; 234import com.android.internal.telephony.CarrierAppUtils; 235import com.android.internal.util.ArrayUtils; 236import com.android.internal.util.FastPrintWriter; 237import com.android.internal.util.FastXmlSerializer; 238import com.android.internal.util.IndentingPrintWriter; 239import com.android.internal.util.Preconditions; 240import com.android.internal.util.XmlUtils; 241import com.android.server.EventLogTags; 242import com.android.server.FgThread; 243import com.android.server.IntentResolver; 244import com.android.server.LocalServices; 245import com.android.server.ServiceThread; 246import com.android.server.SystemConfig; 247import com.android.server.Watchdog; 248import com.android.server.net.NetworkPolicyManagerInternal; 249import com.android.server.pm.PermissionsState.PermissionState; 250import com.android.server.pm.Settings.DatabaseVersion; 251import com.android.server.pm.Settings.VersionInfo; 252import com.android.server.storage.DeviceStorageMonitorInternal; 253 254import dalvik.system.CloseGuard; 255import dalvik.system.DexFile; 256import dalvik.system.VMRuntime; 257 258import libcore.io.IoUtils; 259import libcore.util.EmptyArray; 260 261import org.xmlpull.v1.XmlPullParser; 262import org.xmlpull.v1.XmlPullParserException; 263import org.xmlpull.v1.XmlSerializer; 264 265import java.io.BufferedInputStream; 266import java.io.BufferedOutputStream; 267import java.io.BufferedReader; 268import java.io.ByteArrayInputStream; 269import java.io.ByteArrayOutputStream; 270import java.io.File; 271import java.io.FileDescriptor; 272import java.io.FileInputStream; 273import java.io.FileNotFoundException; 274import java.io.FileOutputStream; 275import java.io.FileReader; 276import java.io.FilenameFilter; 277import java.io.IOException; 278import java.io.InputStream; 279import java.io.PrintWriter; 280import java.nio.charset.StandardCharsets; 281import java.security.DigestInputStream; 282import java.security.MessageDigest; 283import java.security.NoSuchAlgorithmException; 284import java.security.PublicKey; 285import java.security.cert.Certificate; 286import java.security.cert.CertificateEncodingException; 287import java.security.cert.CertificateException; 288import java.text.SimpleDateFormat; 289import java.util.ArrayList; 290import java.util.Arrays; 291import java.util.Collection; 292import java.util.Collections; 293import java.util.Comparator; 294import java.util.Date; 295import java.util.HashSet; 296import java.util.Iterator; 297import java.util.List; 298import java.util.Map; 299import java.util.Objects; 300import java.util.Set; 301import java.util.concurrent.CountDownLatch; 302import java.util.concurrent.TimeUnit; 303import java.util.concurrent.atomic.AtomicBoolean; 304import java.util.concurrent.atomic.AtomicInteger; 305import java.util.concurrent.atomic.AtomicLong; 306 307/** 308 * Keep track of all those APKs everywhere. 309 * <p> 310 * Internally there are two important locks: 311 * <ul> 312 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 313 * and other related state. It is a fine-grained lock that should only be held 314 * momentarily, as it's one of the most contended locks in the system. 315 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 316 * operations typically involve heavy lifting of application data on disk. Since 317 * {@code installd} is single-threaded, and it's operations can often be slow, 318 * this lock should never be acquired while already holding {@link #mPackages}. 319 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 320 * holding {@link #mInstallLock}. 321 * </ul> 322 * Many internal methods rely on the caller to hold the appropriate locks, and 323 * this contract is expressed through method name suffixes: 324 * <ul> 325 * <li>fooLI(): the caller must hold {@link #mInstallLock} 326 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 327 * being modified must be frozen 328 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 329 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 330 * </ul> 331 * <p> 332 * Because this class is very central to the platform's security; please run all 333 * CTS and unit tests whenever making modifications: 334 * 335 * <pre> 336 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 337 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 338 * </pre> 339 */ 340public class PackageManagerService extends IPackageManager.Stub { 341 static final String TAG = "PackageManager"; 342 static final boolean DEBUG_SETTINGS = false; 343 static final boolean DEBUG_PREFERRED = false; 344 static final boolean DEBUG_UPGRADE = false; 345 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 346 private static final boolean DEBUG_BACKUP = false; 347 private static final boolean DEBUG_INSTALL = false; 348 private static final boolean DEBUG_REMOVE = false; 349 private static final boolean DEBUG_BROADCASTS = false; 350 private static final boolean DEBUG_SHOW_INFO = false; 351 private static final boolean DEBUG_PACKAGE_INFO = false; 352 private static final boolean DEBUG_INTENT_MATCHING = false; 353 private static final boolean DEBUG_PACKAGE_SCANNING = false; 354 private static final boolean DEBUG_VERIFY = false; 355 private static final boolean DEBUG_FILTERS = false; 356 357 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 358 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 359 // user, but by default initialize to this. 360 static final boolean DEBUG_DEXOPT = false; 361 362 private static final boolean DEBUG_ABI_SELECTION = false; 363 private static final boolean DEBUG_EPHEMERAL = false; 364 private static final boolean DEBUG_TRIAGED_MISSING = false; 365 private static final boolean DEBUG_APP_DATA = false; 366 367 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 368 369 private static final boolean DISABLE_EPHEMERAL_APPS = true; 370 371 private static final int RADIO_UID = Process.PHONE_UID; 372 private static final int LOG_UID = Process.LOG_UID; 373 private static final int NFC_UID = Process.NFC_UID; 374 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 375 private static final int SHELL_UID = Process.SHELL_UID; 376 377 // Cap the size of permission trees that 3rd party apps can define 378 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 379 380 // Suffix used during package installation when copying/moving 381 // package apks to install directory. 382 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 383 384 static final int SCAN_NO_DEX = 1<<1; 385 static final int SCAN_FORCE_DEX = 1<<2; 386 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 387 static final int SCAN_NEW_INSTALL = 1<<4; 388 static final int SCAN_NO_PATHS = 1<<5; 389 static final int SCAN_UPDATE_TIME = 1<<6; 390 static final int SCAN_DEFER_DEX = 1<<7; 391 static final int SCAN_BOOTING = 1<<8; 392 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 393 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 394 static final int SCAN_REPLACING = 1<<11; 395 static final int SCAN_REQUIRE_KNOWN = 1<<12; 396 static final int SCAN_MOVE = 1<<13; 397 static final int SCAN_INITIAL = 1<<14; 398 static final int SCAN_CHECK_ONLY = 1<<15; 399 static final int SCAN_DONT_KILL_APP = 1<<17; 400 static final int SCAN_IGNORE_FROZEN = 1<<18; 401 402 static final int REMOVE_CHATTY = 1<<16; 403 404 private static final int[] EMPTY_INT_ARRAY = new int[0]; 405 406 /** 407 * Timeout (in milliseconds) after which the watchdog should declare that 408 * our handler thread is wedged. The usual default for such things is one 409 * minute but we sometimes do very lengthy I/O operations on this thread, 410 * such as installing multi-gigabyte applications, so ours needs to be longer. 411 */ 412 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 413 414 /** 415 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 416 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 417 * settings entry if available, otherwise we use the hardcoded default. If it's been 418 * more than this long since the last fstrim, we force one during the boot sequence. 419 * 420 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 421 * one gets run at the next available charging+idle time. This final mandatory 422 * no-fstrim check kicks in only of the other scheduling criteria is never met. 423 */ 424 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 425 426 /** 427 * Whether verification is enabled by default. 428 */ 429 private static final boolean DEFAULT_VERIFY_ENABLE = true; 430 431 /** 432 * The default maximum time to wait for the verification agent to return in 433 * milliseconds. 434 */ 435 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 436 437 /** 438 * The default response for package verification timeout. 439 * 440 * This can be either PackageManager.VERIFICATION_ALLOW or 441 * PackageManager.VERIFICATION_REJECT. 442 */ 443 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 444 445 static final String PLATFORM_PACKAGE_NAME = "android"; 446 447 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 448 449 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 450 DEFAULT_CONTAINER_PACKAGE, 451 "com.android.defcontainer.DefaultContainerService"); 452 453 private static final String KILL_APP_REASON_GIDS_CHANGED = 454 "permission grant or revoke changed gids"; 455 456 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 457 "permissions revoked"; 458 459 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 460 461 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 462 463 /** Permission grant: not grant the permission. */ 464 private static final int GRANT_DENIED = 1; 465 466 /** Permission grant: grant the permission as an install permission. */ 467 private static final int GRANT_INSTALL = 2; 468 469 /** Permission grant: grant the permission as a runtime one. */ 470 private static final int GRANT_RUNTIME = 3; 471 472 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 473 private static final int GRANT_UPGRADE = 4; 474 475 /** Canonical intent used to identify what counts as a "web browser" app */ 476 private static final Intent sBrowserIntent; 477 static { 478 sBrowserIntent = new Intent(); 479 sBrowserIntent.setAction(Intent.ACTION_VIEW); 480 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 481 sBrowserIntent.setData(Uri.parse("http:")); 482 } 483 484 /** 485 * The set of all protected actions [i.e. those actions for which a high priority 486 * intent filter is disallowed]. 487 */ 488 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 489 static { 490 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 491 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 492 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 493 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 494 } 495 496 // Compilation reasons. 497 public static final int REASON_FIRST_BOOT = 0; 498 public static final int REASON_BOOT = 1; 499 public static final int REASON_INSTALL = 2; 500 public static final int REASON_BACKGROUND_DEXOPT = 3; 501 public static final int REASON_AB_OTA = 4; 502 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 503 public static final int REASON_SHARED_APK = 6; 504 public static final int REASON_FORCED_DEXOPT = 7; 505 506 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 507 508 /** Special library name that skips shared libraries check during compilation. */ 509 private static final String SKIP_SHARED_LIBRARY_CHECK = "&"; 510 511 final ServiceThread mHandlerThread; 512 513 final PackageHandler mHandler; 514 515 private final ProcessLoggingHandler mProcessLoggingHandler; 516 517 /** 518 * Messages for {@link #mHandler} that need to wait for system ready before 519 * being dispatched. 520 */ 521 private ArrayList<Message> mPostSystemReadyMessages; 522 523 final int mSdkVersion = Build.VERSION.SDK_INT; 524 525 final Context mContext; 526 final boolean mFactoryTest; 527 final boolean mOnlyCore; 528 final DisplayMetrics mMetrics; 529 final int mDefParseFlags; 530 final String[] mSeparateProcesses; 531 final boolean mIsUpgrade; 532 final boolean mIsPreNUpgrade; 533 534 /** The location for ASEC container files on internal storage. */ 535 final String mAsecInternalPath; 536 537 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 538 // LOCK HELD. Can be called with mInstallLock held. 539 @GuardedBy("mInstallLock") 540 final Installer mInstaller; 541 542 /** Directory where installed third-party apps stored */ 543 final File mAppInstallDir; 544 final File mEphemeralInstallDir; 545 546 /** 547 * Directory to which applications installed internally have their 548 * 32 bit native libraries copied. 549 */ 550 private File mAppLib32InstallDir; 551 552 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 553 // apps. 554 final File mDrmAppPrivateInstallDir; 555 556 // ---------------------------------------------------------------- 557 558 // Lock for state used when installing and doing other long running 559 // operations. Methods that must be called with this lock held have 560 // the suffix "LI". 561 final Object mInstallLock = new Object(); 562 563 // ---------------------------------------------------------------- 564 565 // Keys are String (package name), values are Package. This also serves 566 // as the lock for the global state. Methods that must be called with 567 // this lock held have the prefix "LP". 568 @GuardedBy("mPackages") 569 final ArrayMap<String, PackageParser.Package> mPackages = 570 new ArrayMap<String, PackageParser.Package>(); 571 572 final ArrayMap<String, Set<String>> mKnownCodebase = 573 new ArrayMap<String, Set<String>>(); 574 575 // Tracks available target package names -> overlay package paths. 576 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 577 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 578 579 /** 580 * Tracks new system packages [received in an OTA] that we expect to 581 * find updated user-installed versions. Keys are package name, values 582 * are package location. 583 */ 584 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 585 /** 586 * Tracks high priority intent filters for protected actions. During boot, certain 587 * filter actions are protected and should never be allowed to have a high priority 588 * intent filter for them. However, there is one, and only one exception -- the 589 * setup wizard. It must be able to define a high priority intent filter for these 590 * actions to ensure there are no escapes from the wizard. We need to delay processing 591 * of these during boot as we need to look at all of the system packages in order 592 * to know which component is the setup wizard. 593 */ 594 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 595 /** 596 * Whether or not processing protected filters should be deferred. 597 */ 598 private boolean mDeferProtectedFilters = true; 599 600 /** 601 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 602 */ 603 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 604 /** 605 * Whether or not system app permissions should be promoted from install to runtime. 606 */ 607 boolean mPromoteSystemApps; 608 609 @GuardedBy("mPackages") 610 final Settings mSettings; 611 612 /** 613 * Set of package names that are currently "frozen", which means active 614 * surgery is being done on the code/data for that package. The platform 615 * will refuse to launch frozen packages to avoid race conditions. 616 * 617 * @see PackageFreezer 618 */ 619 @GuardedBy("mPackages") 620 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 621 622 boolean mRestoredSettings; 623 624 // System configuration read by SystemConfig. 625 final int[] mGlobalGids; 626 final SparseArray<ArraySet<String>> mSystemPermissions; 627 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 628 629 // If mac_permissions.xml was found for seinfo labeling. 630 boolean mFoundPolicyFile; 631 632 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 633 634 public static final class SharedLibraryEntry { 635 public final String path; 636 public final String apk; 637 638 SharedLibraryEntry(String _path, String _apk) { 639 path = _path; 640 apk = _apk; 641 } 642 } 643 644 // Currently known shared libraries. 645 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 646 new ArrayMap<String, SharedLibraryEntry>(); 647 648 // All available activities, for your resolving pleasure. 649 final ActivityIntentResolver mActivities = 650 new ActivityIntentResolver(); 651 652 // All available receivers, for your resolving pleasure. 653 final ActivityIntentResolver mReceivers = 654 new ActivityIntentResolver(); 655 656 // All available services, for your resolving pleasure. 657 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 658 659 // All available providers, for your resolving pleasure. 660 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 661 662 // Mapping from provider base names (first directory in content URI codePath) 663 // to the provider information. 664 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 665 new ArrayMap<String, PackageParser.Provider>(); 666 667 // Mapping from instrumentation class names to info about them. 668 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 669 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 670 671 // Mapping from permission names to info about them. 672 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 673 new ArrayMap<String, PackageParser.PermissionGroup>(); 674 675 // Packages whose data we have transfered into another package, thus 676 // should no longer exist. 677 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 678 679 // Broadcast actions that are only available to the system. 680 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 681 682 /** List of packages waiting for verification. */ 683 final SparseArray<PackageVerificationState> mPendingVerification 684 = new SparseArray<PackageVerificationState>(); 685 686 /** Set of packages associated with each app op permission. */ 687 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 688 689 final PackageInstallerService mInstallerService; 690 691 private final PackageDexOptimizer mPackageDexOptimizer; 692 693 private AtomicInteger mNextMoveId = new AtomicInteger(); 694 private final MoveCallbacks mMoveCallbacks; 695 696 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 697 698 // Cache of users who need badging. 699 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 700 701 /** Token for keys in mPendingVerification. */ 702 private int mPendingVerificationToken = 0; 703 704 volatile boolean mSystemReady; 705 volatile boolean mSafeMode; 706 volatile boolean mHasSystemUidErrors; 707 708 ApplicationInfo mAndroidApplication; 709 final ActivityInfo mResolveActivity = new ActivityInfo(); 710 final ResolveInfo mResolveInfo = new ResolveInfo(); 711 ComponentName mResolveComponentName; 712 PackageParser.Package mPlatformPackage; 713 ComponentName mCustomResolverComponentName; 714 715 boolean mResolverReplaced = false; 716 717 private final @Nullable ComponentName mIntentFilterVerifierComponent; 718 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 719 720 private int mIntentFilterVerificationToken = 0; 721 722 /** Component that knows whether or not an ephemeral application exists */ 723 final ComponentName mEphemeralResolverComponent; 724 /** The service connection to the ephemeral resolver */ 725 final EphemeralResolverConnection mEphemeralResolverConnection; 726 727 /** Component used to install ephemeral applications */ 728 final ComponentName mEphemeralInstallerComponent; 729 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 730 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 731 732 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 733 = new SparseArray<IntentFilterVerificationState>(); 734 735 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 736 new DefaultPermissionGrantPolicy(this); 737 738 // List of packages names to keep cached, even if they are uninstalled for all users 739 private List<String> mKeepUninstalledPackages; 740 741 private UserManagerInternal mUserManagerInternal; 742 743 private static class IFVerificationParams { 744 PackageParser.Package pkg; 745 boolean replacing; 746 int userId; 747 int verifierUid; 748 749 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 750 int _userId, int _verifierUid) { 751 pkg = _pkg; 752 replacing = _replacing; 753 userId = _userId; 754 replacing = _replacing; 755 verifierUid = _verifierUid; 756 } 757 } 758 759 private interface IntentFilterVerifier<T extends IntentFilter> { 760 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 761 T filter, String packageName); 762 void startVerifications(int userId); 763 void receiveVerificationResponse(int verificationId); 764 } 765 766 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 767 private Context mContext; 768 private ComponentName mIntentFilterVerifierComponent; 769 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 770 771 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 772 mContext = context; 773 mIntentFilterVerifierComponent = verifierComponent; 774 } 775 776 private String getDefaultScheme() { 777 return IntentFilter.SCHEME_HTTPS; 778 } 779 780 @Override 781 public void startVerifications(int userId) { 782 // Launch verifications requests 783 int count = mCurrentIntentFilterVerifications.size(); 784 for (int n=0; n<count; n++) { 785 int verificationId = mCurrentIntentFilterVerifications.get(n); 786 final IntentFilterVerificationState ivs = 787 mIntentFilterVerificationStates.get(verificationId); 788 789 String packageName = ivs.getPackageName(); 790 791 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 792 final int filterCount = filters.size(); 793 ArraySet<String> domainsSet = new ArraySet<>(); 794 for (int m=0; m<filterCount; m++) { 795 PackageParser.ActivityIntentInfo filter = filters.get(m); 796 domainsSet.addAll(filter.getHostsList()); 797 } 798 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 799 synchronized (mPackages) { 800 if (mSettings.createIntentFilterVerificationIfNeededLPw( 801 packageName, domainsList) != null) { 802 scheduleWriteSettingsLocked(); 803 } 804 } 805 sendVerificationRequest(userId, verificationId, ivs); 806 } 807 mCurrentIntentFilterVerifications.clear(); 808 } 809 810 private void sendVerificationRequest(int userId, int verificationId, 811 IntentFilterVerificationState ivs) { 812 813 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 814 verificationIntent.putExtra( 815 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 816 verificationId); 817 verificationIntent.putExtra( 818 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 819 getDefaultScheme()); 820 verificationIntent.putExtra( 821 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 822 ivs.getHostsString()); 823 verificationIntent.putExtra( 824 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 825 ivs.getPackageName()); 826 verificationIntent.setComponent(mIntentFilterVerifierComponent); 827 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 828 829 UserHandle user = new UserHandle(userId); 830 mContext.sendBroadcastAsUser(verificationIntent, user); 831 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 832 "Sending IntentFilter verification broadcast"); 833 } 834 835 public void receiveVerificationResponse(int verificationId) { 836 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 837 838 final boolean verified = ivs.isVerified(); 839 840 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 841 final int count = filters.size(); 842 if (DEBUG_DOMAIN_VERIFICATION) { 843 Slog.i(TAG, "Received verification response " + verificationId 844 + " for " + count + " filters, verified=" + verified); 845 } 846 for (int n=0; n<count; n++) { 847 PackageParser.ActivityIntentInfo filter = filters.get(n); 848 filter.setVerified(verified); 849 850 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 851 + " verified with result:" + verified + " and hosts:" 852 + ivs.getHostsString()); 853 } 854 855 mIntentFilterVerificationStates.remove(verificationId); 856 857 final String packageName = ivs.getPackageName(); 858 IntentFilterVerificationInfo ivi = null; 859 860 synchronized (mPackages) { 861 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 862 } 863 if (ivi == null) { 864 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 865 + verificationId + " packageName:" + packageName); 866 return; 867 } 868 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 869 "Updating IntentFilterVerificationInfo for package " + packageName 870 +" verificationId:" + verificationId); 871 872 synchronized (mPackages) { 873 if (verified) { 874 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 875 } else { 876 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 877 } 878 scheduleWriteSettingsLocked(); 879 880 final int userId = ivs.getUserId(); 881 if (userId != UserHandle.USER_ALL) { 882 final int userStatus = 883 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 884 885 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 886 boolean needUpdate = false; 887 888 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 889 // already been set by the User thru the Disambiguation dialog 890 switch (userStatus) { 891 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 892 if (verified) { 893 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 894 } else { 895 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 896 } 897 needUpdate = true; 898 break; 899 900 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 901 if (verified) { 902 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 903 needUpdate = true; 904 } 905 break; 906 907 default: 908 // Nothing to do 909 } 910 911 if (needUpdate) { 912 mSettings.updateIntentFilterVerificationStatusLPw( 913 packageName, updatedStatus, userId); 914 scheduleWritePackageRestrictionsLocked(userId); 915 } 916 } 917 } 918 } 919 920 @Override 921 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 922 ActivityIntentInfo filter, String packageName) { 923 if (!hasValidDomains(filter)) { 924 return false; 925 } 926 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 927 if (ivs == null) { 928 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 929 packageName); 930 } 931 if (DEBUG_DOMAIN_VERIFICATION) { 932 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 933 } 934 ivs.addFilter(filter); 935 return true; 936 } 937 938 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 939 int userId, int verificationId, String packageName) { 940 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 941 verifierUid, userId, packageName); 942 ivs.setPendingState(); 943 synchronized (mPackages) { 944 mIntentFilterVerificationStates.append(verificationId, ivs); 945 mCurrentIntentFilterVerifications.add(verificationId); 946 } 947 return ivs; 948 } 949 } 950 951 private static boolean hasValidDomains(ActivityIntentInfo filter) { 952 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 953 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 954 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 955 } 956 957 // Set of pending broadcasts for aggregating enable/disable of components. 958 static class PendingPackageBroadcasts { 959 // for each user id, a map of <package name -> components within that package> 960 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 961 962 public PendingPackageBroadcasts() { 963 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 964 } 965 966 public ArrayList<String> get(int userId, String packageName) { 967 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 968 return packages.get(packageName); 969 } 970 971 public void put(int userId, String packageName, ArrayList<String> components) { 972 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 973 packages.put(packageName, components); 974 } 975 976 public void remove(int userId, String packageName) { 977 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 978 if (packages != null) { 979 packages.remove(packageName); 980 } 981 } 982 983 public void remove(int userId) { 984 mUidMap.remove(userId); 985 } 986 987 public int userIdCount() { 988 return mUidMap.size(); 989 } 990 991 public int userIdAt(int n) { 992 return mUidMap.keyAt(n); 993 } 994 995 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 996 return mUidMap.get(userId); 997 } 998 999 public int size() { 1000 // total number of pending broadcast entries across all userIds 1001 int num = 0; 1002 for (int i = 0; i< mUidMap.size(); i++) { 1003 num += mUidMap.valueAt(i).size(); 1004 } 1005 return num; 1006 } 1007 1008 public void clear() { 1009 mUidMap.clear(); 1010 } 1011 1012 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1013 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1014 if (map == null) { 1015 map = new ArrayMap<String, ArrayList<String>>(); 1016 mUidMap.put(userId, map); 1017 } 1018 return map; 1019 } 1020 } 1021 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1022 1023 // Service Connection to remote media container service to copy 1024 // package uri's from external media onto secure containers 1025 // or internal storage. 1026 private IMediaContainerService mContainerService = null; 1027 1028 static final int SEND_PENDING_BROADCAST = 1; 1029 static final int MCS_BOUND = 3; 1030 static final int END_COPY = 4; 1031 static final int INIT_COPY = 5; 1032 static final int MCS_UNBIND = 6; 1033 static final int START_CLEANING_PACKAGE = 7; 1034 static final int FIND_INSTALL_LOC = 8; 1035 static final int POST_INSTALL = 9; 1036 static final int MCS_RECONNECT = 10; 1037 static final int MCS_GIVE_UP = 11; 1038 static final int UPDATED_MEDIA_STATUS = 12; 1039 static final int WRITE_SETTINGS = 13; 1040 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1041 static final int PACKAGE_VERIFIED = 15; 1042 static final int CHECK_PENDING_VERIFICATION = 16; 1043 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1044 static final int INTENT_FILTER_VERIFIED = 18; 1045 static final int WRITE_PACKAGE_LIST = 19; 1046 1047 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1048 1049 // Delay time in millisecs 1050 static final int BROADCAST_DELAY = 10 * 1000; 1051 1052 static UserManagerService sUserManager; 1053 1054 // Stores a list of users whose package restrictions file needs to be updated 1055 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1056 1057 final private DefaultContainerConnection mDefContainerConn = 1058 new DefaultContainerConnection(); 1059 class DefaultContainerConnection implements ServiceConnection { 1060 public void onServiceConnected(ComponentName name, IBinder service) { 1061 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1062 IMediaContainerService imcs = 1063 IMediaContainerService.Stub.asInterface(service); 1064 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1065 } 1066 1067 public void onServiceDisconnected(ComponentName name) { 1068 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1069 } 1070 } 1071 1072 // Recordkeeping of restore-after-install operations that are currently in flight 1073 // between the Package Manager and the Backup Manager 1074 static class PostInstallData { 1075 public InstallArgs args; 1076 public PackageInstalledInfo res; 1077 1078 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1079 args = _a; 1080 res = _r; 1081 } 1082 } 1083 1084 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1085 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1086 1087 // XML tags for backup/restore of various bits of state 1088 private static final String TAG_PREFERRED_BACKUP = "pa"; 1089 private static final String TAG_DEFAULT_APPS = "da"; 1090 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1091 1092 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1093 private static final String TAG_ALL_GRANTS = "rt-grants"; 1094 private static final String TAG_GRANT = "grant"; 1095 private static final String ATTR_PACKAGE_NAME = "pkg"; 1096 1097 private static final String TAG_PERMISSION = "perm"; 1098 private static final String ATTR_PERMISSION_NAME = "name"; 1099 private static final String ATTR_IS_GRANTED = "g"; 1100 private static final String ATTR_USER_SET = "set"; 1101 private static final String ATTR_USER_FIXED = "fixed"; 1102 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1103 1104 // System/policy permission grants are not backed up 1105 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1106 FLAG_PERMISSION_POLICY_FIXED 1107 | FLAG_PERMISSION_SYSTEM_FIXED 1108 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1109 1110 // And we back up these user-adjusted states 1111 private static final int USER_RUNTIME_GRANT_MASK = 1112 FLAG_PERMISSION_USER_SET 1113 | FLAG_PERMISSION_USER_FIXED 1114 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1115 1116 final @Nullable String mRequiredVerifierPackage; 1117 final @NonNull String mRequiredInstallerPackage; 1118 final @Nullable String mSetupWizardPackage; 1119 final @NonNull String mServicesSystemSharedLibraryPackageName; 1120 final @NonNull String mSharedSystemSharedLibraryPackageName; 1121 1122 private final PackageUsage mPackageUsage = new PackageUsage(); 1123 1124 private class PackageUsage { 1125 private static final int WRITE_INTERVAL 1126 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1127 1128 private final Object mFileLock = new Object(); 1129 private final AtomicLong mLastWritten = new AtomicLong(0); 1130 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1131 1132 private boolean mIsHistoricalPackageUsageAvailable = true; 1133 1134 boolean isHistoricalPackageUsageAvailable() { 1135 return mIsHistoricalPackageUsageAvailable; 1136 } 1137 1138 void write(boolean force) { 1139 if (force) { 1140 writeInternal(); 1141 return; 1142 } 1143 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1144 && !DEBUG_DEXOPT) { 1145 return; 1146 } 1147 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1148 new Thread("PackageUsage_DiskWriter") { 1149 @Override 1150 public void run() { 1151 try { 1152 writeInternal(); 1153 } finally { 1154 mBackgroundWriteRunning.set(false); 1155 } 1156 } 1157 }.start(); 1158 } 1159 } 1160 1161 private void writeInternal() { 1162 synchronized (mPackages) { 1163 synchronized (mFileLock) { 1164 AtomicFile file = getFile(); 1165 FileOutputStream f = null; 1166 try { 1167 f = file.startWrite(); 1168 BufferedOutputStream out = new BufferedOutputStream(f); 1169 FileUtils.setPermissions(file.getBaseFile().getPath(), 1170 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1171 StringBuilder sb = new StringBuilder(); 1172 1173 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1174 sb.append('\n'); 1175 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1176 1177 for (PackageParser.Package pkg : mPackages.values()) { 1178 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1179 continue; 1180 } 1181 sb.setLength(0); 1182 sb.append(pkg.packageName); 1183 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1184 sb.append(' '); 1185 sb.append(usageTimeInMillis); 1186 } 1187 sb.append('\n'); 1188 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1189 } 1190 out.flush(); 1191 file.finishWrite(f); 1192 } catch (IOException e) { 1193 if (f != null) { 1194 file.failWrite(f); 1195 } 1196 Log.e(TAG, "Failed to write package usage times", e); 1197 } 1198 } 1199 } 1200 mLastWritten.set(SystemClock.elapsedRealtime()); 1201 } 1202 1203 void readLP() { 1204 synchronized (mFileLock) { 1205 AtomicFile file = getFile(); 1206 BufferedInputStream in = null; 1207 try { 1208 in = new BufferedInputStream(file.openRead()); 1209 StringBuffer sb = new StringBuffer(); 1210 1211 String firstLine = readLine(in, sb); 1212 if (firstLine.equals(USAGE_FILE_MAGIC_VERSION_1)) { 1213 readVersion1LP(in, sb); 1214 } else { 1215 readVersion0LP(in, sb, firstLine); 1216 } 1217 } catch (FileNotFoundException expected) { 1218 mIsHistoricalPackageUsageAvailable = false; 1219 } catch (IOException e) { 1220 Log.w(TAG, "Failed to read package usage times", e); 1221 } finally { 1222 IoUtils.closeQuietly(in); 1223 } 1224 } 1225 mLastWritten.set(SystemClock.elapsedRealtime()); 1226 } 1227 1228 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1229 throws IOException { 1230 // Initial version of the file had no version number and stored one 1231 // package-timestamp pair per line. 1232 // Note that the first line has already been read from the InputStream. 1233 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1234 String[] tokens = line.split(" "); 1235 if (tokens.length != 2) { 1236 throw new IOException("Failed to parse " + line + 1237 " as package-timestamp pair."); 1238 } 1239 1240 String packageName = tokens[0]; 1241 PackageParser.Package pkg = mPackages.get(packageName); 1242 if (pkg == null) { 1243 continue; 1244 } 1245 1246 long timestamp = parseAsLong(tokens[1]); 1247 for (int reason = 0; 1248 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1249 reason++) { 1250 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1251 } 1252 } 1253 } 1254 1255 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1256 // Version 1 of the file started with the corresponding version 1257 // number and then stored a package name and eight timestamps per line. 1258 String line; 1259 while ((line = readLine(in, sb)) != null) { 1260 String[] tokens = line.split(" "); 1261 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1262 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1263 } 1264 1265 String packageName = tokens[0]; 1266 PackageParser.Package pkg = mPackages.get(packageName); 1267 if (pkg == null) { 1268 continue; 1269 } 1270 1271 for (int reason = 0; 1272 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1273 reason++) { 1274 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1275 } 1276 } 1277 } 1278 1279 private long parseAsLong(String token) throws IOException { 1280 try { 1281 return Long.parseLong(token); 1282 } catch (NumberFormatException e) { 1283 throw new IOException("Failed to parse " + token + " as a long.", e); 1284 } 1285 } 1286 1287 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1288 return readToken(in, sb, '\n'); 1289 } 1290 1291 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1292 throws IOException { 1293 sb.setLength(0); 1294 while (true) { 1295 int ch = in.read(); 1296 if (ch == -1) { 1297 if (sb.length() == 0) { 1298 return null; 1299 } 1300 throw new IOException("Unexpected EOF"); 1301 } 1302 if (ch == endOfToken) { 1303 return sb.toString(); 1304 } 1305 sb.append((char)ch); 1306 } 1307 } 1308 1309 private AtomicFile getFile() { 1310 File dataDir = Environment.getDataDirectory(); 1311 File systemDir = new File(dataDir, "system"); 1312 File fname = new File(systemDir, "package-usage.list"); 1313 return new AtomicFile(fname); 1314 } 1315 1316 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1317 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1318 } 1319 1320 class PackageHandler extends Handler { 1321 private boolean mBound = false; 1322 final ArrayList<HandlerParams> mPendingInstalls = 1323 new ArrayList<HandlerParams>(); 1324 1325 private boolean connectToService() { 1326 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1327 " DefaultContainerService"); 1328 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1329 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1330 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1331 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1332 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1333 mBound = true; 1334 return true; 1335 } 1336 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1337 return false; 1338 } 1339 1340 private void disconnectService() { 1341 mContainerService = null; 1342 mBound = false; 1343 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1344 mContext.unbindService(mDefContainerConn); 1345 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1346 } 1347 1348 PackageHandler(Looper looper) { 1349 super(looper); 1350 } 1351 1352 public void handleMessage(Message msg) { 1353 try { 1354 doHandleMessage(msg); 1355 } finally { 1356 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1357 } 1358 } 1359 1360 void doHandleMessage(Message msg) { 1361 switch (msg.what) { 1362 case INIT_COPY: { 1363 HandlerParams params = (HandlerParams) msg.obj; 1364 int idx = mPendingInstalls.size(); 1365 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1366 // If a bind was already initiated we dont really 1367 // need to do anything. The pending install 1368 // will be processed later on. 1369 if (!mBound) { 1370 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1371 System.identityHashCode(mHandler)); 1372 // If this is the only one pending we might 1373 // have to bind to the service again. 1374 if (!connectToService()) { 1375 Slog.e(TAG, "Failed to bind to media container service"); 1376 params.serviceError(); 1377 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1378 System.identityHashCode(mHandler)); 1379 if (params.traceMethod != null) { 1380 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1381 params.traceCookie); 1382 } 1383 return; 1384 } else { 1385 // Once we bind to the service, the first 1386 // pending request will be processed. 1387 mPendingInstalls.add(idx, params); 1388 } 1389 } else { 1390 mPendingInstalls.add(idx, params); 1391 // Already bound to the service. Just make 1392 // sure we trigger off processing the first request. 1393 if (idx == 0) { 1394 mHandler.sendEmptyMessage(MCS_BOUND); 1395 } 1396 } 1397 break; 1398 } 1399 case MCS_BOUND: { 1400 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1401 if (msg.obj != null) { 1402 mContainerService = (IMediaContainerService) msg.obj; 1403 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1404 System.identityHashCode(mHandler)); 1405 } 1406 if (mContainerService == null) { 1407 if (!mBound) { 1408 // Something seriously wrong since we are not bound and we are not 1409 // waiting for connection. Bail out. 1410 Slog.e(TAG, "Cannot bind to media container service"); 1411 for (HandlerParams params : mPendingInstalls) { 1412 // Indicate service bind error 1413 params.serviceError(); 1414 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1415 System.identityHashCode(params)); 1416 if (params.traceMethod != null) { 1417 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1418 params.traceMethod, params.traceCookie); 1419 } 1420 return; 1421 } 1422 mPendingInstalls.clear(); 1423 } else { 1424 Slog.w(TAG, "Waiting to connect to media container service"); 1425 } 1426 } else if (mPendingInstalls.size() > 0) { 1427 HandlerParams params = mPendingInstalls.get(0); 1428 if (params != null) { 1429 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1430 System.identityHashCode(params)); 1431 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1432 if (params.startCopy()) { 1433 // We are done... look for more work or to 1434 // go idle. 1435 if (DEBUG_SD_INSTALL) Log.i(TAG, 1436 "Checking for more work or unbind..."); 1437 // Delete pending install 1438 if (mPendingInstalls.size() > 0) { 1439 mPendingInstalls.remove(0); 1440 } 1441 if (mPendingInstalls.size() == 0) { 1442 if (mBound) { 1443 if (DEBUG_SD_INSTALL) Log.i(TAG, 1444 "Posting delayed MCS_UNBIND"); 1445 removeMessages(MCS_UNBIND); 1446 Message ubmsg = obtainMessage(MCS_UNBIND); 1447 // Unbind after a little delay, to avoid 1448 // continual thrashing. 1449 sendMessageDelayed(ubmsg, 10000); 1450 } 1451 } else { 1452 // There are more pending requests in queue. 1453 // Just post MCS_BOUND message to trigger processing 1454 // of next pending install. 1455 if (DEBUG_SD_INSTALL) Log.i(TAG, 1456 "Posting MCS_BOUND for next work"); 1457 mHandler.sendEmptyMessage(MCS_BOUND); 1458 } 1459 } 1460 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1461 } 1462 } else { 1463 // Should never happen ideally. 1464 Slog.w(TAG, "Empty queue"); 1465 } 1466 break; 1467 } 1468 case MCS_RECONNECT: { 1469 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1470 if (mPendingInstalls.size() > 0) { 1471 if (mBound) { 1472 disconnectService(); 1473 } 1474 if (!connectToService()) { 1475 Slog.e(TAG, "Failed to bind to media container service"); 1476 for (HandlerParams params : mPendingInstalls) { 1477 // Indicate service bind error 1478 params.serviceError(); 1479 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1480 System.identityHashCode(params)); 1481 } 1482 mPendingInstalls.clear(); 1483 } 1484 } 1485 break; 1486 } 1487 case MCS_UNBIND: { 1488 // If there is no actual work left, then time to unbind. 1489 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1490 1491 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1492 if (mBound) { 1493 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1494 1495 disconnectService(); 1496 } 1497 } else if (mPendingInstalls.size() > 0) { 1498 // There are more pending requests in queue. 1499 // Just post MCS_BOUND message to trigger processing 1500 // of next pending install. 1501 mHandler.sendEmptyMessage(MCS_BOUND); 1502 } 1503 1504 break; 1505 } 1506 case MCS_GIVE_UP: { 1507 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1508 HandlerParams params = mPendingInstalls.remove(0); 1509 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1510 System.identityHashCode(params)); 1511 break; 1512 } 1513 case SEND_PENDING_BROADCAST: { 1514 String packages[]; 1515 ArrayList<String> components[]; 1516 int size = 0; 1517 int uids[]; 1518 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1519 synchronized (mPackages) { 1520 if (mPendingBroadcasts == null) { 1521 return; 1522 } 1523 size = mPendingBroadcasts.size(); 1524 if (size <= 0) { 1525 // Nothing to be done. Just return 1526 return; 1527 } 1528 packages = new String[size]; 1529 components = new ArrayList[size]; 1530 uids = new int[size]; 1531 int i = 0; // filling out the above arrays 1532 1533 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1534 int packageUserId = mPendingBroadcasts.userIdAt(n); 1535 Iterator<Map.Entry<String, ArrayList<String>>> it 1536 = mPendingBroadcasts.packagesForUserId(packageUserId) 1537 .entrySet().iterator(); 1538 while (it.hasNext() && i < size) { 1539 Map.Entry<String, ArrayList<String>> ent = it.next(); 1540 packages[i] = ent.getKey(); 1541 components[i] = ent.getValue(); 1542 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1543 uids[i] = (ps != null) 1544 ? UserHandle.getUid(packageUserId, ps.appId) 1545 : -1; 1546 i++; 1547 } 1548 } 1549 size = i; 1550 mPendingBroadcasts.clear(); 1551 } 1552 // Send broadcasts 1553 for (int i = 0; i < size; i++) { 1554 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1555 } 1556 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1557 break; 1558 } 1559 case START_CLEANING_PACKAGE: { 1560 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1561 final String packageName = (String)msg.obj; 1562 final int userId = msg.arg1; 1563 final boolean andCode = msg.arg2 != 0; 1564 synchronized (mPackages) { 1565 if (userId == UserHandle.USER_ALL) { 1566 int[] users = sUserManager.getUserIds(); 1567 for (int user : users) { 1568 mSettings.addPackageToCleanLPw( 1569 new PackageCleanItem(user, packageName, andCode)); 1570 } 1571 } else { 1572 mSettings.addPackageToCleanLPw( 1573 new PackageCleanItem(userId, packageName, andCode)); 1574 } 1575 } 1576 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1577 startCleaningPackages(); 1578 } break; 1579 case POST_INSTALL: { 1580 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1581 1582 PostInstallData data = mRunningInstalls.get(msg.arg1); 1583 final boolean didRestore = (msg.arg2 != 0); 1584 mRunningInstalls.delete(msg.arg1); 1585 1586 if (data != null) { 1587 InstallArgs args = data.args; 1588 PackageInstalledInfo parentRes = data.res; 1589 1590 final boolean grantPermissions = (args.installFlags 1591 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1592 final boolean killApp = (args.installFlags 1593 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1594 final String[] grantedPermissions = args.installGrantPermissions; 1595 1596 // Handle the parent package 1597 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1598 grantedPermissions, didRestore, args.installerPackageName, 1599 args.observer); 1600 1601 // Handle the child packages 1602 final int childCount = (parentRes.addedChildPackages != null) 1603 ? parentRes.addedChildPackages.size() : 0; 1604 for (int i = 0; i < childCount; i++) { 1605 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1606 handlePackagePostInstall(childRes, grantPermissions, killApp, 1607 grantedPermissions, false, args.installerPackageName, 1608 args.observer); 1609 } 1610 1611 // Log tracing if needed 1612 if (args.traceMethod != null) { 1613 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1614 args.traceCookie); 1615 } 1616 } else { 1617 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1618 } 1619 1620 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1621 } break; 1622 case UPDATED_MEDIA_STATUS: { 1623 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1624 boolean reportStatus = msg.arg1 == 1; 1625 boolean doGc = msg.arg2 == 1; 1626 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1627 if (doGc) { 1628 // Force a gc to clear up stale containers. 1629 Runtime.getRuntime().gc(); 1630 } 1631 if (msg.obj != null) { 1632 @SuppressWarnings("unchecked") 1633 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1634 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1635 // Unload containers 1636 unloadAllContainers(args); 1637 } 1638 if (reportStatus) { 1639 try { 1640 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1641 PackageHelper.getMountService().finishMediaUpdate(); 1642 } catch (RemoteException e) { 1643 Log.e(TAG, "MountService not running?"); 1644 } 1645 } 1646 } break; 1647 case WRITE_SETTINGS: { 1648 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1649 synchronized (mPackages) { 1650 removeMessages(WRITE_SETTINGS); 1651 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1652 mSettings.writeLPr(); 1653 mDirtyUsers.clear(); 1654 } 1655 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1656 } break; 1657 case WRITE_PACKAGE_RESTRICTIONS: { 1658 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1659 synchronized (mPackages) { 1660 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1661 for (int userId : mDirtyUsers) { 1662 mSettings.writePackageRestrictionsLPr(userId); 1663 } 1664 mDirtyUsers.clear(); 1665 } 1666 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1667 } break; 1668 case WRITE_PACKAGE_LIST: { 1669 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1670 synchronized (mPackages) { 1671 removeMessages(WRITE_PACKAGE_LIST); 1672 mSettings.writePackageListLPr(msg.arg1); 1673 } 1674 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1675 } break; 1676 case CHECK_PENDING_VERIFICATION: { 1677 final int verificationId = msg.arg1; 1678 final PackageVerificationState state = mPendingVerification.get(verificationId); 1679 1680 if ((state != null) && !state.timeoutExtended()) { 1681 final InstallArgs args = state.getInstallArgs(); 1682 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1683 1684 Slog.i(TAG, "Verification timed out for " + originUri); 1685 mPendingVerification.remove(verificationId); 1686 1687 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1688 1689 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1690 Slog.i(TAG, "Continuing with installation of " + originUri); 1691 state.setVerifierResponse(Binder.getCallingUid(), 1692 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1693 broadcastPackageVerified(verificationId, originUri, 1694 PackageManager.VERIFICATION_ALLOW, 1695 state.getInstallArgs().getUser()); 1696 try { 1697 ret = args.copyApk(mContainerService, true); 1698 } catch (RemoteException e) { 1699 Slog.e(TAG, "Could not contact the ContainerService"); 1700 } 1701 } else { 1702 broadcastPackageVerified(verificationId, originUri, 1703 PackageManager.VERIFICATION_REJECT, 1704 state.getInstallArgs().getUser()); 1705 } 1706 1707 Trace.asyncTraceEnd( 1708 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1709 1710 processPendingInstall(args, ret); 1711 mHandler.sendEmptyMessage(MCS_UNBIND); 1712 } 1713 break; 1714 } 1715 case PACKAGE_VERIFIED: { 1716 final int verificationId = msg.arg1; 1717 1718 final PackageVerificationState state = mPendingVerification.get(verificationId); 1719 if (state == null) { 1720 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1721 break; 1722 } 1723 1724 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1725 1726 state.setVerifierResponse(response.callerUid, response.code); 1727 1728 if (state.isVerificationComplete()) { 1729 mPendingVerification.remove(verificationId); 1730 1731 final InstallArgs args = state.getInstallArgs(); 1732 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1733 1734 int ret; 1735 if (state.isInstallAllowed()) { 1736 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1737 broadcastPackageVerified(verificationId, originUri, 1738 response.code, state.getInstallArgs().getUser()); 1739 try { 1740 ret = args.copyApk(mContainerService, true); 1741 } catch (RemoteException e) { 1742 Slog.e(TAG, "Could not contact the ContainerService"); 1743 } 1744 } else { 1745 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1746 } 1747 1748 Trace.asyncTraceEnd( 1749 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1750 1751 processPendingInstall(args, ret); 1752 mHandler.sendEmptyMessage(MCS_UNBIND); 1753 } 1754 1755 break; 1756 } 1757 case START_INTENT_FILTER_VERIFICATIONS: { 1758 IFVerificationParams params = (IFVerificationParams) msg.obj; 1759 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1760 params.replacing, params.pkg); 1761 break; 1762 } 1763 case INTENT_FILTER_VERIFIED: { 1764 final int verificationId = msg.arg1; 1765 1766 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1767 verificationId); 1768 if (state == null) { 1769 Slog.w(TAG, "Invalid IntentFilter verification token " 1770 + verificationId + " received"); 1771 break; 1772 } 1773 1774 final int userId = state.getUserId(); 1775 1776 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1777 "Processing IntentFilter verification with token:" 1778 + verificationId + " and userId:" + userId); 1779 1780 final IntentFilterVerificationResponse response = 1781 (IntentFilterVerificationResponse) msg.obj; 1782 1783 state.setVerifierResponse(response.callerUid, response.code); 1784 1785 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1786 "IntentFilter verification with token:" + verificationId 1787 + " and userId:" + userId 1788 + " is settings verifier response with response code:" 1789 + response.code); 1790 1791 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1792 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1793 + response.getFailedDomainsString()); 1794 } 1795 1796 if (state.isVerificationComplete()) { 1797 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1798 } else { 1799 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1800 "IntentFilter verification with token:" + verificationId 1801 + " was not said to be complete"); 1802 } 1803 1804 break; 1805 } 1806 } 1807 } 1808 } 1809 1810 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1811 boolean killApp, String[] grantedPermissions, 1812 boolean launchedForRestore, String installerPackage, 1813 IPackageInstallObserver2 installObserver) { 1814 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1815 // Send the removed broadcasts 1816 if (res.removedInfo != null) { 1817 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1818 } 1819 1820 // Now that we successfully installed the package, grant runtime 1821 // permissions if requested before broadcasting the install. 1822 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1823 >= Build.VERSION_CODES.M) { 1824 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1825 } 1826 1827 final boolean update = res.removedInfo != null 1828 && res.removedInfo.removedPackage != null; 1829 1830 // If this is the first time we have child packages for a disabled privileged 1831 // app that had no children, we grant requested runtime permissions to the new 1832 // children if the parent on the system image had them already granted. 1833 if (res.pkg.parentPackage != null) { 1834 synchronized (mPackages) { 1835 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1836 } 1837 } 1838 1839 synchronized (mPackages) { 1840 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1841 } 1842 1843 final String packageName = res.pkg.applicationInfo.packageName; 1844 Bundle extras = new Bundle(1); 1845 extras.putInt(Intent.EXTRA_UID, res.uid); 1846 1847 // Determine the set of users who are adding this package for 1848 // the first time vs. those who are seeing an update. 1849 int[] firstUsers = EMPTY_INT_ARRAY; 1850 int[] updateUsers = EMPTY_INT_ARRAY; 1851 if (res.origUsers == null || res.origUsers.length == 0) { 1852 firstUsers = res.newUsers; 1853 } else { 1854 for (int newUser : res.newUsers) { 1855 boolean isNew = true; 1856 for (int origUser : res.origUsers) { 1857 if (origUser == newUser) { 1858 isNew = false; 1859 break; 1860 } 1861 } 1862 if (isNew) { 1863 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1864 } else { 1865 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1866 } 1867 } 1868 } 1869 1870 // Send installed broadcasts if the install/update is not ephemeral 1871 if (!isEphemeral(res.pkg)) { 1872 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1873 1874 // Send added for users that see the package for the first time 1875 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1876 extras, 0 /*flags*/, null /*targetPackage*/, 1877 null /*finishedReceiver*/, firstUsers); 1878 1879 // Send added for users that don't see the package for the first time 1880 if (update) { 1881 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1882 } 1883 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1884 extras, 0 /*flags*/, null /*targetPackage*/, 1885 null /*finishedReceiver*/, updateUsers); 1886 1887 // Send replaced for users that don't see the package for the first time 1888 if (update) { 1889 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1890 packageName, extras, 0 /*flags*/, 1891 null /*targetPackage*/, null /*finishedReceiver*/, 1892 updateUsers); 1893 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1894 null /*package*/, null /*extras*/, 0 /*flags*/, 1895 packageName /*targetPackage*/, 1896 null /*finishedReceiver*/, updateUsers); 1897 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1898 // First-install and we did a restore, so we're responsible for the 1899 // first-launch broadcast. 1900 if (DEBUG_BACKUP) { 1901 Slog.i(TAG, "Post-restore of " + packageName 1902 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1903 } 1904 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1905 } 1906 1907 // Send broadcast package appeared if forward locked/external for all users 1908 // treat asec-hosted packages like removable media on upgrade 1909 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1910 if (DEBUG_INSTALL) { 1911 Slog.i(TAG, "upgrading pkg " + res.pkg 1912 + " is ASEC-hosted -> AVAILABLE"); 1913 } 1914 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1915 ArrayList<String> pkgList = new ArrayList<>(1); 1916 pkgList.add(packageName); 1917 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1918 } 1919 } 1920 1921 // Work that needs to happen on first install within each user 1922 if (firstUsers != null && firstUsers.length > 0) { 1923 synchronized (mPackages) { 1924 for (int userId : firstUsers) { 1925 // If this app is a browser and it's newly-installed for some 1926 // users, clear any default-browser state in those users. The 1927 // app's nature doesn't depend on the user, so we can just check 1928 // its browser nature in any user and generalize. 1929 if (packageIsBrowser(packageName, userId)) { 1930 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1931 } 1932 1933 // We may also need to apply pending (restored) runtime 1934 // permission grants within these users. 1935 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1936 } 1937 } 1938 } 1939 1940 // Log current value of "unknown sources" setting 1941 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1942 getUnknownSourcesSettings()); 1943 1944 // Force a gc to clear up things 1945 Runtime.getRuntime().gc(); 1946 1947 // Remove the replaced package's older resources safely now 1948 // We delete after a gc for applications on sdcard. 1949 if (res.removedInfo != null && res.removedInfo.args != null) { 1950 synchronized (mInstallLock) { 1951 res.removedInfo.args.doPostDeleteLI(true); 1952 } 1953 } 1954 } 1955 1956 // If someone is watching installs - notify them 1957 if (installObserver != null) { 1958 try { 1959 Bundle extras = extrasForInstallResult(res); 1960 installObserver.onPackageInstalled(res.name, res.returnCode, 1961 res.returnMsg, extras); 1962 } catch (RemoteException e) { 1963 Slog.i(TAG, "Observer no longer exists."); 1964 } 1965 } 1966 } 1967 1968 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1969 PackageParser.Package pkg) { 1970 if (pkg.parentPackage == null) { 1971 return; 1972 } 1973 if (pkg.requestedPermissions == null) { 1974 return; 1975 } 1976 final PackageSetting disabledSysParentPs = mSettings 1977 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1978 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1979 || !disabledSysParentPs.isPrivileged() 1980 || (disabledSysParentPs.childPackageNames != null 1981 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1982 return; 1983 } 1984 final int[] allUserIds = sUserManager.getUserIds(); 1985 final int permCount = pkg.requestedPermissions.size(); 1986 for (int i = 0; i < permCount; i++) { 1987 String permission = pkg.requestedPermissions.get(i); 1988 BasePermission bp = mSettings.mPermissions.get(permission); 1989 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1990 continue; 1991 } 1992 for (int userId : allUserIds) { 1993 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1994 permission, userId)) { 1995 grantRuntimePermission(pkg.packageName, permission, userId); 1996 } 1997 } 1998 } 1999 } 2000 2001 private StorageEventListener mStorageListener = new StorageEventListener() { 2002 @Override 2003 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2004 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2005 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2006 final String volumeUuid = vol.getFsUuid(); 2007 2008 // Clean up any users or apps that were removed or recreated 2009 // while this volume was missing 2010 reconcileUsers(volumeUuid); 2011 reconcileApps(volumeUuid); 2012 2013 // Clean up any install sessions that expired or were 2014 // cancelled while this volume was missing 2015 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2016 2017 loadPrivatePackages(vol); 2018 2019 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2020 unloadPrivatePackages(vol); 2021 } 2022 } 2023 2024 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2025 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2026 updateExternalMediaStatus(true, false); 2027 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2028 updateExternalMediaStatus(false, false); 2029 } 2030 } 2031 } 2032 2033 @Override 2034 public void onVolumeForgotten(String fsUuid) { 2035 if (TextUtils.isEmpty(fsUuid)) { 2036 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2037 return; 2038 } 2039 2040 // Remove any apps installed on the forgotten volume 2041 synchronized (mPackages) { 2042 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2043 for (PackageSetting ps : packages) { 2044 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2045 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2046 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2047 } 2048 2049 mSettings.onVolumeForgotten(fsUuid); 2050 mSettings.writeLPr(); 2051 } 2052 } 2053 }; 2054 2055 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2056 String[] grantedPermissions) { 2057 for (int userId : userIds) { 2058 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2059 } 2060 2061 // We could have touched GID membership, so flush out packages.list 2062 synchronized (mPackages) { 2063 mSettings.writePackageListLPr(); 2064 } 2065 } 2066 2067 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2068 String[] grantedPermissions) { 2069 SettingBase sb = (SettingBase) pkg.mExtras; 2070 if (sb == null) { 2071 return; 2072 } 2073 2074 PermissionsState permissionsState = sb.getPermissionsState(); 2075 2076 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2077 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2078 2079 for (String permission : pkg.requestedPermissions) { 2080 final BasePermission bp; 2081 synchronized (mPackages) { 2082 bp = mSettings.mPermissions.get(permission); 2083 } 2084 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2085 && (grantedPermissions == null 2086 || ArrayUtils.contains(grantedPermissions, permission))) { 2087 final int flags = permissionsState.getPermissionFlags(permission, userId); 2088 // Installer cannot change immutable permissions. 2089 if ((flags & immutableFlags) == 0) { 2090 grantRuntimePermission(pkg.packageName, permission, userId); 2091 } 2092 } 2093 } 2094 } 2095 2096 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2097 Bundle extras = null; 2098 switch (res.returnCode) { 2099 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2100 extras = new Bundle(); 2101 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2102 res.origPermission); 2103 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2104 res.origPackage); 2105 break; 2106 } 2107 case PackageManager.INSTALL_SUCCEEDED: { 2108 extras = new Bundle(); 2109 extras.putBoolean(Intent.EXTRA_REPLACING, 2110 res.removedInfo != null && res.removedInfo.removedPackage != null); 2111 break; 2112 } 2113 } 2114 return extras; 2115 } 2116 2117 void scheduleWriteSettingsLocked() { 2118 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2119 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2120 } 2121 } 2122 2123 void scheduleWritePackageListLocked(int userId) { 2124 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2125 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2126 msg.arg1 = userId; 2127 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2128 } 2129 } 2130 2131 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2132 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2133 scheduleWritePackageRestrictionsLocked(userId); 2134 } 2135 2136 void scheduleWritePackageRestrictionsLocked(int userId) { 2137 final int[] userIds = (userId == UserHandle.USER_ALL) 2138 ? sUserManager.getUserIds() : new int[]{userId}; 2139 for (int nextUserId : userIds) { 2140 if (!sUserManager.exists(nextUserId)) return; 2141 mDirtyUsers.add(nextUserId); 2142 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2143 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2144 } 2145 } 2146 } 2147 2148 public static PackageManagerService main(Context context, Installer installer, 2149 boolean factoryTest, boolean onlyCore) { 2150 // Self-check for initial settings. 2151 PackageManagerServiceCompilerMapping.checkProperties(); 2152 2153 PackageManagerService m = new PackageManagerService(context, installer, 2154 factoryTest, onlyCore); 2155 m.enableSystemUserPackages(); 2156 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2157 // disabled after already being started. 2158 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2159 UserHandle.USER_SYSTEM); 2160 ServiceManager.addService("package", m); 2161 return m; 2162 } 2163 2164 private void enableSystemUserPackages() { 2165 if (!UserManager.isSplitSystemUser()) { 2166 return; 2167 } 2168 // For system user, enable apps based on the following conditions: 2169 // - app is whitelisted or belong to one of these groups: 2170 // -- system app which has no launcher icons 2171 // -- system app which has INTERACT_ACROSS_USERS permission 2172 // -- system IME app 2173 // - app is not in the blacklist 2174 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2175 Set<String> enableApps = new ArraySet<>(); 2176 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2177 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2178 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2179 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2180 enableApps.addAll(wlApps); 2181 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2182 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2183 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2184 enableApps.removeAll(blApps); 2185 Log.i(TAG, "Applications installed for system user: " + enableApps); 2186 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2187 UserHandle.SYSTEM); 2188 final int allAppsSize = allAps.size(); 2189 synchronized (mPackages) { 2190 for (int i = 0; i < allAppsSize; i++) { 2191 String pName = allAps.get(i); 2192 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2193 // Should not happen, but we shouldn't be failing if it does 2194 if (pkgSetting == null) { 2195 continue; 2196 } 2197 boolean install = enableApps.contains(pName); 2198 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2199 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2200 + " for system user"); 2201 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2202 } 2203 } 2204 } 2205 } 2206 2207 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2208 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2209 Context.DISPLAY_SERVICE); 2210 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2211 } 2212 2213 public PackageManagerService(Context context, Installer installer, 2214 boolean factoryTest, boolean onlyCore) { 2215 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2216 SystemClock.uptimeMillis()); 2217 2218 if (mSdkVersion <= 0) { 2219 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2220 } 2221 2222 mContext = context; 2223 mFactoryTest = factoryTest; 2224 mOnlyCore = onlyCore; 2225 mMetrics = new DisplayMetrics(); 2226 mSettings = new Settings(mPackages); 2227 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2228 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2229 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2230 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2231 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2232 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2233 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2234 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2235 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2236 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2237 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2238 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2239 2240 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2241 if (separateProcesses != null && separateProcesses.length() > 0) { 2242 if ("*".equals(separateProcesses)) { 2243 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2244 mSeparateProcesses = null; 2245 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2246 } else { 2247 mDefParseFlags = 0; 2248 mSeparateProcesses = separateProcesses.split(","); 2249 Slog.w(TAG, "Running with debug.separate_processes: " 2250 + separateProcesses); 2251 } 2252 } else { 2253 mDefParseFlags = 0; 2254 mSeparateProcesses = null; 2255 } 2256 2257 mInstaller = installer; 2258 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2259 "*dexopt*"); 2260 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2261 2262 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2263 FgThread.get().getLooper()); 2264 2265 getDefaultDisplayMetrics(context, mMetrics); 2266 2267 SystemConfig systemConfig = SystemConfig.getInstance(); 2268 mGlobalGids = systemConfig.getGlobalGids(); 2269 mSystemPermissions = systemConfig.getSystemPermissions(); 2270 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2271 2272 synchronized (mInstallLock) { 2273 // writer 2274 synchronized (mPackages) { 2275 mHandlerThread = new ServiceThread(TAG, 2276 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2277 mHandlerThread.start(); 2278 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2279 mProcessLoggingHandler = new ProcessLoggingHandler(); 2280 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2281 2282 File dataDir = Environment.getDataDirectory(); 2283 mAppInstallDir = new File(dataDir, "app"); 2284 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2285 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2286 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2287 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2288 2289 sUserManager = new UserManagerService(context, this, mPackages); 2290 2291 // Propagate permission configuration in to package manager. 2292 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2293 = systemConfig.getPermissions(); 2294 for (int i=0; i<permConfig.size(); i++) { 2295 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2296 BasePermission bp = mSettings.mPermissions.get(perm.name); 2297 if (bp == null) { 2298 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2299 mSettings.mPermissions.put(perm.name, bp); 2300 } 2301 if (perm.gids != null) { 2302 bp.setGids(perm.gids, perm.perUser); 2303 } 2304 } 2305 2306 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2307 for (int i=0; i<libConfig.size(); i++) { 2308 mSharedLibraries.put(libConfig.keyAt(i), 2309 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2310 } 2311 2312 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2313 2314 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2315 2316 String customResolverActivity = Resources.getSystem().getString( 2317 R.string.config_customResolverActivity); 2318 if (TextUtils.isEmpty(customResolverActivity)) { 2319 customResolverActivity = null; 2320 } else { 2321 mCustomResolverComponentName = ComponentName.unflattenFromString( 2322 customResolverActivity); 2323 } 2324 2325 long startTime = SystemClock.uptimeMillis(); 2326 2327 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2328 startTime); 2329 2330 // Set flag to monitor and not change apk file paths when 2331 // scanning install directories. 2332 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2333 2334 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2335 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2336 2337 if (bootClassPath == null) { 2338 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2339 } 2340 2341 if (systemServerClassPath == null) { 2342 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2343 } 2344 2345 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2346 final String[] dexCodeInstructionSets = 2347 getDexCodeInstructionSets( 2348 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2349 2350 /** 2351 * Ensure all external libraries have had dexopt run on them. 2352 */ 2353 if (mSharedLibraries.size() > 0) { 2354 // NOTE: For now, we're compiling these system "shared libraries" 2355 // (and framework jars) into all available architectures. It's possible 2356 // to compile them only when we come across an app that uses them (there's 2357 // already logic for that in scanPackageLI) but that adds some complexity. 2358 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2359 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2360 final String lib = libEntry.path; 2361 if (lib == null) { 2362 continue; 2363 } 2364 2365 try { 2366 // Shared libraries do not have profiles so we perform a full 2367 // AOT compilation (if needed). 2368 int dexoptNeeded = DexFile.getDexOptNeeded( 2369 lib, dexCodeInstructionSet, 2370 getCompilerFilterForReason(REASON_SHARED_APK), 2371 false /* newProfile */); 2372 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2373 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2374 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2375 getCompilerFilterForReason(REASON_SHARED_APK), 2376 StorageManager.UUID_PRIVATE_INTERNAL, 2377 SKIP_SHARED_LIBRARY_CHECK); 2378 } 2379 } catch (FileNotFoundException e) { 2380 Slog.w(TAG, "Library not found: " + lib); 2381 } catch (IOException | InstallerException e) { 2382 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2383 + e.getMessage()); 2384 } 2385 } 2386 } 2387 } 2388 2389 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2390 2391 final VersionInfo ver = mSettings.getInternalVersion(); 2392 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2393 2394 // when upgrading from pre-M, promote system app permissions from install to runtime 2395 mPromoteSystemApps = 2396 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2397 2398 // When upgrading from pre-N, we need to handle package extraction like first boot, 2399 // as there is no profiling data available. 2400 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2401 2402 // save off the names of pre-existing system packages prior to scanning; we don't 2403 // want to automatically grant runtime permissions for new system apps 2404 if (mPromoteSystemApps) { 2405 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2406 while (pkgSettingIter.hasNext()) { 2407 PackageSetting ps = pkgSettingIter.next(); 2408 if (isSystemApp(ps)) { 2409 mExistingSystemPackages.add(ps.name); 2410 } 2411 } 2412 } 2413 2414 // Collect vendor overlay packages. 2415 // (Do this before scanning any apps.) 2416 // For security and version matching reason, only consider 2417 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2418 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2419 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2420 | PackageParser.PARSE_IS_SYSTEM 2421 | PackageParser.PARSE_IS_SYSTEM_DIR 2422 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2423 2424 // Find base frameworks (resource packages without code). 2425 scanDirTracedLI(frameworkDir, mDefParseFlags 2426 | PackageParser.PARSE_IS_SYSTEM 2427 | PackageParser.PARSE_IS_SYSTEM_DIR 2428 | PackageParser.PARSE_IS_PRIVILEGED, 2429 scanFlags | SCAN_NO_DEX, 0); 2430 2431 // Collected privileged system packages. 2432 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2433 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2434 | PackageParser.PARSE_IS_SYSTEM 2435 | PackageParser.PARSE_IS_SYSTEM_DIR 2436 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2437 2438 // Collect ordinary system packages. 2439 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2440 scanDirTracedLI(systemAppDir, mDefParseFlags 2441 | PackageParser.PARSE_IS_SYSTEM 2442 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2443 2444 // Collect all vendor packages. 2445 File vendorAppDir = new File("/vendor/app"); 2446 try { 2447 vendorAppDir = vendorAppDir.getCanonicalFile(); 2448 } catch (IOException e) { 2449 // failed to look up canonical path, continue with original one 2450 } 2451 scanDirTracedLI(vendorAppDir, mDefParseFlags 2452 | PackageParser.PARSE_IS_SYSTEM 2453 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2454 2455 // Collect all OEM packages. 2456 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2457 scanDirTracedLI(oemAppDir, mDefParseFlags 2458 | PackageParser.PARSE_IS_SYSTEM 2459 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2460 2461 // Prune any system packages that no longer exist. 2462 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2463 if (!mOnlyCore) { 2464 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2465 while (psit.hasNext()) { 2466 PackageSetting ps = psit.next(); 2467 2468 /* 2469 * If this is not a system app, it can't be a 2470 * disable system app. 2471 */ 2472 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2473 continue; 2474 } 2475 2476 /* 2477 * If the package is scanned, it's not erased. 2478 */ 2479 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2480 if (scannedPkg != null) { 2481 /* 2482 * If the system app is both scanned and in the 2483 * disabled packages list, then it must have been 2484 * added via OTA. Remove it from the currently 2485 * scanned package so the previously user-installed 2486 * application can be scanned. 2487 */ 2488 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2489 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2490 + ps.name + "; removing system app. Last known codePath=" 2491 + ps.codePathString + ", installStatus=" + ps.installStatus 2492 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2493 + scannedPkg.mVersionCode); 2494 removePackageLI(scannedPkg, true); 2495 mExpectingBetter.put(ps.name, ps.codePath); 2496 } 2497 2498 continue; 2499 } 2500 2501 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2502 psit.remove(); 2503 logCriticalInfo(Log.WARN, "System package " + ps.name 2504 + " no longer exists; it's data will be wiped"); 2505 // Actual deletion of code and data will be handled by later 2506 // reconciliation step 2507 } else { 2508 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2509 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2510 possiblyDeletedUpdatedSystemApps.add(ps.name); 2511 } 2512 } 2513 } 2514 } 2515 2516 //look for any incomplete package installations 2517 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2518 for (int i = 0; i < deletePkgsList.size(); i++) { 2519 // Actual deletion of code and data will be handled by later 2520 // reconciliation step 2521 final String packageName = deletePkgsList.get(i).name; 2522 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2523 synchronized (mPackages) { 2524 mSettings.removePackageLPw(packageName); 2525 } 2526 } 2527 2528 //delete tmp files 2529 deleteTempPackageFiles(); 2530 2531 // Remove any shared userIDs that have no associated packages 2532 mSettings.pruneSharedUsersLPw(); 2533 2534 if (!mOnlyCore) { 2535 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2536 SystemClock.uptimeMillis()); 2537 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2538 2539 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2540 | PackageParser.PARSE_FORWARD_LOCK, 2541 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2542 2543 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2544 | PackageParser.PARSE_IS_EPHEMERAL, 2545 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2546 2547 /** 2548 * Remove disable package settings for any updated system 2549 * apps that were removed via an OTA. If they're not a 2550 * previously-updated app, remove them completely. 2551 * Otherwise, just revoke their system-level permissions. 2552 */ 2553 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2554 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2555 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2556 2557 String msg; 2558 if (deletedPkg == null) { 2559 msg = "Updated system package " + deletedAppName 2560 + " no longer exists; it's data will be wiped"; 2561 // Actual deletion of code and data will be handled by later 2562 // reconciliation step 2563 } else { 2564 msg = "Updated system app + " + deletedAppName 2565 + " no longer present; removing system privileges for " 2566 + deletedAppName; 2567 2568 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2569 2570 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2571 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2572 } 2573 logCriticalInfo(Log.WARN, msg); 2574 } 2575 2576 /** 2577 * Make sure all system apps that we expected to appear on 2578 * the userdata partition actually showed up. If they never 2579 * appeared, crawl back and revive the system version. 2580 */ 2581 for (int i = 0; i < mExpectingBetter.size(); i++) { 2582 final String packageName = mExpectingBetter.keyAt(i); 2583 if (!mPackages.containsKey(packageName)) { 2584 final File scanFile = mExpectingBetter.valueAt(i); 2585 2586 logCriticalInfo(Log.WARN, "Expected better " + packageName 2587 + " but never showed up; reverting to system"); 2588 2589 int reparseFlags = mDefParseFlags; 2590 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2591 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2592 | PackageParser.PARSE_IS_SYSTEM_DIR 2593 | PackageParser.PARSE_IS_PRIVILEGED; 2594 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2595 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2596 | PackageParser.PARSE_IS_SYSTEM_DIR; 2597 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2598 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2599 | PackageParser.PARSE_IS_SYSTEM_DIR; 2600 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2601 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2602 | PackageParser.PARSE_IS_SYSTEM_DIR; 2603 } else { 2604 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2605 continue; 2606 } 2607 2608 mSettings.enableSystemPackageLPw(packageName); 2609 2610 try { 2611 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2612 } catch (PackageManagerException e) { 2613 Slog.e(TAG, "Failed to parse original system package: " 2614 + e.getMessage()); 2615 } 2616 } 2617 } 2618 } 2619 mExpectingBetter.clear(); 2620 2621 // Resolve protected action filters. Only the setup wizard is allowed to 2622 // have a high priority filter for these actions. 2623 mSetupWizardPackage = getSetupWizardPackageName(); 2624 if (mProtectedFilters.size() > 0) { 2625 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2626 Slog.i(TAG, "No setup wizard;" 2627 + " All protected intents capped to priority 0"); 2628 } 2629 for (ActivityIntentInfo filter : mProtectedFilters) { 2630 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2631 if (DEBUG_FILTERS) { 2632 Slog.i(TAG, "Found setup wizard;" 2633 + " allow priority " + filter.getPriority() + ";" 2634 + " package: " + filter.activity.info.packageName 2635 + " activity: " + filter.activity.className 2636 + " priority: " + filter.getPriority()); 2637 } 2638 // skip setup wizard; allow it to keep the high priority filter 2639 continue; 2640 } 2641 Slog.w(TAG, "Protected action; cap priority to 0;" 2642 + " package: " + filter.activity.info.packageName 2643 + " activity: " + filter.activity.className 2644 + " origPrio: " + filter.getPriority()); 2645 filter.setPriority(0); 2646 } 2647 } 2648 mDeferProtectedFilters = false; 2649 mProtectedFilters.clear(); 2650 2651 // Now that we know all of the shared libraries, update all clients to have 2652 // the correct library paths. 2653 updateAllSharedLibrariesLPw(); 2654 2655 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2656 // NOTE: We ignore potential failures here during a system scan (like 2657 // the rest of the commands above) because there's precious little we 2658 // can do about it. A settings error is reported, though. 2659 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2660 false /* boot complete */); 2661 } 2662 2663 // Now that we know all the packages we are keeping, 2664 // read and update their last usage times. 2665 mPackageUsage.readLP(); 2666 2667 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2668 SystemClock.uptimeMillis()); 2669 Slog.i(TAG, "Time to scan packages: " 2670 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2671 + " seconds"); 2672 2673 // If the platform SDK has changed since the last time we booted, 2674 // we need to re-grant app permission to catch any new ones that 2675 // appear. This is really a hack, and means that apps can in some 2676 // cases get permissions that the user didn't initially explicitly 2677 // allow... it would be nice to have some better way to handle 2678 // this situation. 2679 int updateFlags = UPDATE_PERMISSIONS_ALL; 2680 if (ver.sdkVersion != mSdkVersion) { 2681 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2682 + mSdkVersion + "; regranting permissions for internal storage"); 2683 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2684 } 2685 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2686 ver.sdkVersion = mSdkVersion; 2687 2688 // If this is the first boot or an update from pre-M, and it is a normal 2689 // boot, then we need to initialize the default preferred apps across 2690 // all defined users. 2691 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2692 for (UserInfo user : sUserManager.getUsers(true)) { 2693 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2694 applyFactoryDefaultBrowserLPw(user.id); 2695 primeDomainVerificationsLPw(user.id); 2696 } 2697 } 2698 2699 // Prepare storage for system user really early during boot, 2700 // since core system apps like SettingsProvider and SystemUI 2701 // can't wait for user to start 2702 final int storageFlags; 2703 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2704 storageFlags = StorageManager.FLAG_STORAGE_DE; 2705 } else { 2706 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2707 } 2708 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2709 storageFlags); 2710 2711 // If this is first boot after an OTA, and a normal boot, then 2712 // we need to clear code cache directories. 2713 // Note that we do *not* clear the application profiles. These remain valid 2714 // across OTAs and are used to drive profile verification (post OTA) and 2715 // profile compilation (without waiting to collect a fresh set of profiles). 2716 if (mIsUpgrade && !onlyCore) { 2717 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2718 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2719 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2720 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2721 // No apps are running this early, so no need to freeze 2722 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2723 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2724 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2725 } 2726 clearAppProfilesLIF(ps.pkg, UserHandle.USER_ALL); 2727 } 2728 ver.fingerprint = Build.FINGERPRINT; 2729 } 2730 2731 checkDefaultBrowser(); 2732 2733 // clear only after permissions and other defaults have been updated 2734 mExistingSystemPackages.clear(); 2735 mPromoteSystemApps = false; 2736 2737 // All the changes are done during package scanning. 2738 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2739 2740 // can downgrade to reader 2741 mSettings.writeLPr(); 2742 2743 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2744 SystemClock.uptimeMillis()); 2745 2746 if (!mOnlyCore) { 2747 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2748 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2749 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2750 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2751 mIntentFilterVerifierComponent); 2752 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2753 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2754 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2755 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2756 } else { 2757 mRequiredVerifierPackage = null; 2758 mRequiredInstallerPackage = null; 2759 mIntentFilterVerifierComponent = null; 2760 mIntentFilterVerifier = null; 2761 mServicesSystemSharedLibraryPackageName = null; 2762 mSharedSystemSharedLibraryPackageName = null; 2763 } 2764 2765 mInstallerService = new PackageInstallerService(context, this); 2766 2767 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2768 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2769 // both the installer and resolver must be present to enable ephemeral 2770 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2771 if (DEBUG_EPHEMERAL) { 2772 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2773 + " installer:" + ephemeralInstallerComponent); 2774 } 2775 mEphemeralResolverComponent = ephemeralResolverComponent; 2776 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2777 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2778 mEphemeralResolverConnection = 2779 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2780 } else { 2781 if (DEBUG_EPHEMERAL) { 2782 final String missingComponent = 2783 (ephemeralResolverComponent == null) 2784 ? (ephemeralInstallerComponent == null) 2785 ? "resolver and installer" 2786 : "resolver" 2787 : "installer"; 2788 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2789 } 2790 mEphemeralResolverComponent = null; 2791 mEphemeralInstallerComponent = null; 2792 mEphemeralResolverConnection = null; 2793 } 2794 2795 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2796 } // synchronized (mPackages) 2797 } // synchronized (mInstallLock) 2798 2799 // Now after opening every single application zip, make sure they 2800 // are all flushed. Not really needed, but keeps things nice and 2801 // tidy. 2802 Runtime.getRuntime().gc(); 2803 2804 // The initial scanning above does many calls into installd while 2805 // holding the mPackages lock, but we're mostly interested in yelling 2806 // once we have a booted system. 2807 mInstaller.setWarnIfHeld(mPackages); 2808 2809 // Expose private service for system components to use. 2810 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2811 } 2812 2813 @Override 2814 public boolean isFirstBoot() { 2815 return !mRestoredSettings; 2816 } 2817 2818 @Override 2819 public boolean isOnlyCoreApps() { 2820 return mOnlyCore; 2821 } 2822 2823 @Override 2824 public boolean isUpgrade() { 2825 return mIsUpgrade; 2826 } 2827 2828 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2829 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2830 2831 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2832 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2833 UserHandle.USER_SYSTEM); 2834 if (matches.size() == 1) { 2835 return matches.get(0).getComponentInfo().packageName; 2836 } else { 2837 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2838 return null; 2839 } 2840 } 2841 2842 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2843 synchronized (mPackages) { 2844 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2845 if (libraryEntry == null) { 2846 throw new IllegalStateException("Missing required shared library:" + libraryName); 2847 } 2848 return libraryEntry.apk; 2849 } 2850 } 2851 2852 private @NonNull String getRequiredInstallerLPr() { 2853 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2854 intent.addCategory(Intent.CATEGORY_DEFAULT); 2855 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2856 2857 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2858 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2859 UserHandle.USER_SYSTEM); 2860 if (matches.size() == 1) { 2861 ResolveInfo resolveInfo = matches.get(0); 2862 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2863 throw new RuntimeException("The installer must be a privileged app"); 2864 } 2865 return matches.get(0).getComponentInfo().packageName; 2866 } else { 2867 throw new RuntimeException("There must be exactly one installer; found " + matches); 2868 } 2869 } 2870 2871 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2872 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2873 2874 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2875 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2876 UserHandle.USER_SYSTEM); 2877 ResolveInfo best = null; 2878 final int N = matches.size(); 2879 for (int i = 0; i < N; i++) { 2880 final ResolveInfo cur = matches.get(i); 2881 final String packageName = cur.getComponentInfo().packageName; 2882 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2883 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2884 continue; 2885 } 2886 2887 if (best == null || cur.priority > best.priority) { 2888 best = cur; 2889 } 2890 } 2891 2892 if (best != null) { 2893 return best.getComponentInfo().getComponentName(); 2894 } else { 2895 throw new RuntimeException("There must be at least one intent filter verifier"); 2896 } 2897 } 2898 2899 private @Nullable ComponentName getEphemeralResolverLPr() { 2900 final String[] packageArray = 2901 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2902 if (packageArray.length == 0) { 2903 if (DEBUG_EPHEMERAL) { 2904 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2905 } 2906 return null; 2907 } 2908 2909 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2910 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2911 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2912 UserHandle.USER_SYSTEM); 2913 2914 final int N = resolvers.size(); 2915 if (N == 0) { 2916 if (DEBUG_EPHEMERAL) { 2917 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2918 } 2919 return null; 2920 } 2921 2922 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2923 for (int i = 0; i < N; i++) { 2924 final ResolveInfo info = resolvers.get(i); 2925 2926 if (info.serviceInfo == null) { 2927 continue; 2928 } 2929 2930 final String packageName = info.serviceInfo.packageName; 2931 if (!possiblePackages.contains(packageName)) { 2932 if (DEBUG_EPHEMERAL) { 2933 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2934 + " pkg: " + packageName + ", info:" + info); 2935 } 2936 continue; 2937 } 2938 2939 if (DEBUG_EPHEMERAL) { 2940 Slog.v(TAG, "Ephemeral resolver found;" 2941 + " pkg: " + packageName + ", info:" + info); 2942 } 2943 return new ComponentName(packageName, info.serviceInfo.name); 2944 } 2945 if (DEBUG_EPHEMERAL) { 2946 Slog.v(TAG, "Ephemeral resolver NOT found"); 2947 } 2948 return null; 2949 } 2950 2951 private @Nullable ComponentName getEphemeralInstallerLPr() { 2952 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2953 intent.addCategory(Intent.CATEGORY_DEFAULT); 2954 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2955 2956 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2957 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2958 UserHandle.USER_SYSTEM); 2959 if (matches.size() == 0) { 2960 return null; 2961 } else if (matches.size() == 1) { 2962 return matches.get(0).getComponentInfo().getComponentName(); 2963 } else { 2964 throw new RuntimeException( 2965 "There must be at most one ephemeral installer; found " + matches); 2966 } 2967 } 2968 2969 private void primeDomainVerificationsLPw(int userId) { 2970 if (DEBUG_DOMAIN_VERIFICATION) { 2971 Slog.d(TAG, "Priming domain verifications in user " + userId); 2972 } 2973 2974 SystemConfig systemConfig = SystemConfig.getInstance(); 2975 ArraySet<String> packages = systemConfig.getLinkedApps(); 2976 ArraySet<String> domains = new ArraySet<String>(); 2977 2978 for (String packageName : packages) { 2979 PackageParser.Package pkg = mPackages.get(packageName); 2980 if (pkg != null) { 2981 if (!pkg.isSystemApp()) { 2982 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2983 continue; 2984 } 2985 2986 domains.clear(); 2987 for (PackageParser.Activity a : pkg.activities) { 2988 for (ActivityIntentInfo filter : a.intents) { 2989 if (hasValidDomains(filter)) { 2990 domains.addAll(filter.getHostsList()); 2991 } 2992 } 2993 } 2994 2995 if (domains.size() > 0) { 2996 if (DEBUG_DOMAIN_VERIFICATION) { 2997 Slog.v(TAG, " + " + packageName); 2998 } 2999 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3000 // state w.r.t. the formal app-linkage "no verification attempted" state; 3001 // and then 'always' in the per-user state actually used for intent resolution. 3002 final IntentFilterVerificationInfo ivi; 3003 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 3004 new ArrayList<String>(domains)); 3005 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3006 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3007 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3008 } else { 3009 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3010 + "' does not handle web links"); 3011 } 3012 } else { 3013 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3014 } 3015 } 3016 3017 scheduleWritePackageRestrictionsLocked(userId); 3018 scheduleWriteSettingsLocked(); 3019 } 3020 3021 private void applyFactoryDefaultBrowserLPw(int userId) { 3022 // The default browser app's package name is stored in a string resource, 3023 // with a product-specific overlay used for vendor customization. 3024 String browserPkg = mContext.getResources().getString( 3025 com.android.internal.R.string.default_browser); 3026 if (!TextUtils.isEmpty(browserPkg)) { 3027 // non-empty string => required to be a known package 3028 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3029 if (ps == null) { 3030 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3031 browserPkg = null; 3032 } else { 3033 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3034 } 3035 } 3036 3037 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3038 // default. If there's more than one, just leave everything alone. 3039 if (browserPkg == null) { 3040 calculateDefaultBrowserLPw(userId); 3041 } 3042 } 3043 3044 private void calculateDefaultBrowserLPw(int userId) { 3045 List<String> allBrowsers = resolveAllBrowserApps(userId); 3046 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3047 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3048 } 3049 3050 private List<String> resolveAllBrowserApps(int userId) { 3051 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3052 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3053 PackageManager.MATCH_ALL, userId); 3054 3055 final int count = list.size(); 3056 List<String> result = new ArrayList<String>(count); 3057 for (int i=0; i<count; i++) { 3058 ResolveInfo info = list.get(i); 3059 if (info.activityInfo == null 3060 || !info.handleAllWebDataURI 3061 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3062 || result.contains(info.activityInfo.packageName)) { 3063 continue; 3064 } 3065 result.add(info.activityInfo.packageName); 3066 } 3067 3068 return result; 3069 } 3070 3071 private boolean packageIsBrowser(String packageName, int userId) { 3072 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3073 PackageManager.MATCH_ALL, userId); 3074 final int N = list.size(); 3075 for (int i = 0; i < N; i++) { 3076 ResolveInfo info = list.get(i); 3077 if (packageName.equals(info.activityInfo.packageName)) { 3078 return true; 3079 } 3080 } 3081 return false; 3082 } 3083 3084 private void checkDefaultBrowser() { 3085 final int myUserId = UserHandle.myUserId(); 3086 final String packageName = getDefaultBrowserPackageName(myUserId); 3087 if (packageName != null) { 3088 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3089 if (info == null) { 3090 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3091 synchronized (mPackages) { 3092 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3093 } 3094 } 3095 } 3096 } 3097 3098 @Override 3099 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3100 throws RemoteException { 3101 try { 3102 return super.onTransact(code, data, reply, flags); 3103 } catch (RuntimeException e) { 3104 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3105 Slog.wtf(TAG, "Package Manager Crash", e); 3106 } 3107 throw e; 3108 } 3109 } 3110 3111 static int[] appendInts(int[] cur, int[] add) { 3112 if (add == null) return cur; 3113 if (cur == null) return add; 3114 final int N = add.length; 3115 for (int i=0; i<N; i++) { 3116 cur = appendInt(cur, add[i]); 3117 } 3118 return cur; 3119 } 3120 3121 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3122 if (!sUserManager.exists(userId)) return null; 3123 if (ps == null) { 3124 return null; 3125 } 3126 final PackageParser.Package p = ps.pkg; 3127 if (p == null) { 3128 return null; 3129 } 3130 3131 final PermissionsState permissionsState = ps.getPermissionsState(); 3132 3133 final int[] gids = permissionsState.computeGids(userId); 3134 final Set<String> permissions = permissionsState.getPermissions(userId); 3135 final PackageUserState state = ps.readUserState(userId); 3136 3137 return PackageParser.generatePackageInfo(p, gids, flags, 3138 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3139 } 3140 3141 @Override 3142 public void checkPackageStartable(String packageName, int userId) { 3143 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3144 3145 synchronized (mPackages) { 3146 final PackageSetting ps = mSettings.mPackages.get(packageName); 3147 if (ps == null) { 3148 throw new SecurityException("Package " + packageName + " was not found!"); 3149 } 3150 3151 if (!ps.getInstalled(userId)) { 3152 throw new SecurityException( 3153 "Package " + packageName + " was not installed for user " + userId + "!"); 3154 } 3155 3156 if (mSafeMode && !ps.isSystem()) { 3157 throw new SecurityException("Package " + packageName + " not a system app!"); 3158 } 3159 3160 if (mFrozenPackages.contains(packageName)) { 3161 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3162 } 3163 3164 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3165 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3166 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3167 } 3168 } 3169 } 3170 3171 @Override 3172 public boolean isPackageAvailable(String packageName, int userId) { 3173 if (!sUserManager.exists(userId)) return false; 3174 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3175 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3176 synchronized (mPackages) { 3177 PackageParser.Package p = mPackages.get(packageName); 3178 if (p != null) { 3179 final PackageSetting ps = (PackageSetting) p.mExtras; 3180 if (ps != null) { 3181 final PackageUserState state = ps.readUserState(userId); 3182 if (state != null) { 3183 return PackageParser.isAvailable(state); 3184 } 3185 } 3186 } 3187 } 3188 return false; 3189 } 3190 3191 @Override 3192 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3193 if (!sUserManager.exists(userId)) return null; 3194 flags = updateFlagsForPackage(flags, userId, packageName); 3195 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3196 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3197 // reader 3198 synchronized (mPackages) { 3199 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3200 PackageParser.Package p = null; 3201 if (matchFactoryOnly) { 3202 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3203 if (ps != null) { 3204 return generatePackageInfo(ps, flags, userId); 3205 } 3206 } 3207 if (p == null) { 3208 p = mPackages.get(packageName); 3209 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3210 return null; 3211 } 3212 } 3213 if (DEBUG_PACKAGE_INFO) 3214 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3215 if (p != null) { 3216 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3217 } 3218 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3219 final PackageSetting ps = mSettings.mPackages.get(packageName); 3220 return generatePackageInfo(ps, flags, userId); 3221 } 3222 } 3223 return null; 3224 } 3225 3226 @Override 3227 public String[] currentToCanonicalPackageNames(String[] names) { 3228 String[] out = new String[names.length]; 3229 // reader 3230 synchronized (mPackages) { 3231 for (int i=names.length-1; i>=0; i--) { 3232 PackageSetting ps = mSettings.mPackages.get(names[i]); 3233 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3234 } 3235 } 3236 return out; 3237 } 3238 3239 @Override 3240 public String[] canonicalToCurrentPackageNames(String[] names) { 3241 String[] out = new String[names.length]; 3242 // reader 3243 synchronized (mPackages) { 3244 for (int i=names.length-1; i>=0; i--) { 3245 String cur = mSettings.mRenamedPackages.get(names[i]); 3246 out[i] = cur != null ? cur : names[i]; 3247 } 3248 } 3249 return out; 3250 } 3251 3252 @Override 3253 public int getPackageUid(String packageName, int flags, int userId) { 3254 if (!sUserManager.exists(userId)) return -1; 3255 flags = updateFlagsForPackage(flags, userId, packageName); 3256 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3257 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3258 3259 // reader 3260 synchronized (mPackages) { 3261 final PackageParser.Package p = mPackages.get(packageName); 3262 if (p != null && p.isMatch(flags)) { 3263 return UserHandle.getUid(userId, p.applicationInfo.uid); 3264 } 3265 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3266 final PackageSetting ps = mSettings.mPackages.get(packageName); 3267 if (ps != null && ps.isMatch(flags)) { 3268 return UserHandle.getUid(userId, ps.appId); 3269 } 3270 } 3271 } 3272 3273 return -1; 3274 } 3275 3276 @Override 3277 public int[] getPackageGids(String packageName, int flags, int userId) { 3278 if (!sUserManager.exists(userId)) return null; 3279 flags = updateFlagsForPackage(flags, userId, packageName); 3280 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3281 false /* requireFullPermission */, false /* checkShell */, 3282 "getPackageGids"); 3283 3284 // reader 3285 synchronized (mPackages) { 3286 final PackageParser.Package p = mPackages.get(packageName); 3287 if (p != null && p.isMatch(flags)) { 3288 PackageSetting ps = (PackageSetting) p.mExtras; 3289 return ps.getPermissionsState().computeGids(userId); 3290 } 3291 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3292 final PackageSetting ps = mSettings.mPackages.get(packageName); 3293 if (ps != null && ps.isMatch(flags)) { 3294 return ps.getPermissionsState().computeGids(userId); 3295 } 3296 } 3297 } 3298 3299 return null; 3300 } 3301 3302 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3303 if (bp.perm != null) { 3304 return PackageParser.generatePermissionInfo(bp.perm, flags); 3305 } 3306 PermissionInfo pi = new PermissionInfo(); 3307 pi.name = bp.name; 3308 pi.packageName = bp.sourcePackage; 3309 pi.nonLocalizedLabel = bp.name; 3310 pi.protectionLevel = bp.protectionLevel; 3311 return pi; 3312 } 3313 3314 @Override 3315 public PermissionInfo getPermissionInfo(String name, int flags) { 3316 // reader 3317 synchronized (mPackages) { 3318 final BasePermission p = mSettings.mPermissions.get(name); 3319 if (p != null) { 3320 return generatePermissionInfo(p, flags); 3321 } 3322 return null; 3323 } 3324 } 3325 3326 @Override 3327 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3328 int flags) { 3329 // reader 3330 synchronized (mPackages) { 3331 if (group != null && !mPermissionGroups.containsKey(group)) { 3332 // This is thrown as NameNotFoundException 3333 return null; 3334 } 3335 3336 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3337 for (BasePermission p : mSettings.mPermissions.values()) { 3338 if (group == null) { 3339 if (p.perm == null || p.perm.info.group == null) { 3340 out.add(generatePermissionInfo(p, flags)); 3341 } 3342 } else { 3343 if (p.perm != null && group.equals(p.perm.info.group)) { 3344 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3345 } 3346 } 3347 } 3348 return new ParceledListSlice<>(out); 3349 } 3350 } 3351 3352 @Override 3353 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3354 // reader 3355 synchronized (mPackages) { 3356 return PackageParser.generatePermissionGroupInfo( 3357 mPermissionGroups.get(name), flags); 3358 } 3359 } 3360 3361 @Override 3362 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3363 // reader 3364 synchronized (mPackages) { 3365 final int N = mPermissionGroups.size(); 3366 ArrayList<PermissionGroupInfo> out 3367 = new ArrayList<PermissionGroupInfo>(N); 3368 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3369 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3370 } 3371 return new ParceledListSlice<>(out); 3372 } 3373 } 3374 3375 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3376 int userId) { 3377 if (!sUserManager.exists(userId)) return null; 3378 PackageSetting ps = mSettings.mPackages.get(packageName); 3379 if (ps != null) { 3380 if (ps.pkg == null) { 3381 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3382 if (pInfo != null) { 3383 return pInfo.applicationInfo; 3384 } 3385 return null; 3386 } 3387 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3388 ps.readUserState(userId), userId); 3389 } 3390 return null; 3391 } 3392 3393 @Override 3394 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3395 if (!sUserManager.exists(userId)) return null; 3396 flags = updateFlagsForApplication(flags, userId, packageName); 3397 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3398 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3399 // writer 3400 synchronized (mPackages) { 3401 PackageParser.Package p = mPackages.get(packageName); 3402 if (DEBUG_PACKAGE_INFO) Log.v( 3403 TAG, "getApplicationInfo " + packageName 3404 + ": " + p); 3405 if (p != null) { 3406 PackageSetting ps = mSettings.mPackages.get(packageName); 3407 if (ps == null) return null; 3408 // Note: isEnabledLP() does not apply here - always return info 3409 return PackageParser.generateApplicationInfo( 3410 p, flags, ps.readUserState(userId), userId); 3411 } 3412 if ("android".equals(packageName)||"system".equals(packageName)) { 3413 return mAndroidApplication; 3414 } 3415 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3416 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3417 } 3418 } 3419 return null; 3420 } 3421 3422 @Override 3423 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3424 final IPackageDataObserver observer) { 3425 mContext.enforceCallingOrSelfPermission( 3426 android.Manifest.permission.CLEAR_APP_CACHE, null); 3427 // Queue up an async operation since clearing cache may take a little while. 3428 mHandler.post(new Runnable() { 3429 public void run() { 3430 mHandler.removeCallbacks(this); 3431 boolean success = true; 3432 synchronized (mInstallLock) { 3433 try { 3434 mInstaller.freeCache(volumeUuid, freeStorageSize); 3435 } catch (InstallerException e) { 3436 Slog.w(TAG, "Couldn't clear application caches: " + e); 3437 success = false; 3438 } 3439 } 3440 if (observer != null) { 3441 try { 3442 observer.onRemoveCompleted(null, success); 3443 } catch (RemoteException e) { 3444 Slog.w(TAG, "RemoveException when invoking call back"); 3445 } 3446 } 3447 } 3448 }); 3449 } 3450 3451 @Override 3452 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3453 final IntentSender pi) { 3454 mContext.enforceCallingOrSelfPermission( 3455 android.Manifest.permission.CLEAR_APP_CACHE, null); 3456 // Queue up an async operation since clearing cache may take a little while. 3457 mHandler.post(new Runnable() { 3458 public void run() { 3459 mHandler.removeCallbacks(this); 3460 boolean success = true; 3461 synchronized (mInstallLock) { 3462 try { 3463 mInstaller.freeCache(volumeUuid, freeStorageSize); 3464 } catch (InstallerException e) { 3465 Slog.w(TAG, "Couldn't clear application caches: " + e); 3466 success = false; 3467 } 3468 } 3469 if(pi != null) { 3470 try { 3471 // Callback via pending intent 3472 int code = success ? 1 : 0; 3473 pi.sendIntent(null, code, null, 3474 null, null); 3475 } catch (SendIntentException e1) { 3476 Slog.i(TAG, "Failed to send pending intent"); 3477 } 3478 } 3479 } 3480 }); 3481 } 3482 3483 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3484 synchronized (mInstallLock) { 3485 try { 3486 mInstaller.freeCache(volumeUuid, freeStorageSize); 3487 } catch (InstallerException e) { 3488 throw new IOException("Failed to free enough space", e); 3489 } 3490 } 3491 } 3492 3493 /** 3494 * Update given flags based on encryption status of current user. 3495 */ 3496 private int updateFlags(int flags, int userId) { 3497 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3498 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3499 // Caller expressed an explicit opinion about what encryption 3500 // aware/unaware components they want to see, so fall through and 3501 // give them what they want 3502 } else { 3503 // Caller expressed no opinion, so match based on user state 3504 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3505 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3506 } else { 3507 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3508 } 3509 } 3510 return flags; 3511 } 3512 3513 private UserManagerInternal getUserManagerInternal() { 3514 if (mUserManagerInternal == null) { 3515 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3516 } 3517 return mUserManagerInternal; 3518 } 3519 3520 /** 3521 * Update given flags when being used to request {@link PackageInfo}. 3522 */ 3523 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3524 boolean triaged = true; 3525 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3526 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3527 // Caller is asking for component details, so they'd better be 3528 // asking for specific encryption matching behavior, or be triaged 3529 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3530 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3531 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3532 triaged = false; 3533 } 3534 } 3535 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3536 | PackageManager.MATCH_SYSTEM_ONLY 3537 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3538 triaged = false; 3539 } 3540 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3541 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3542 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3543 } 3544 return updateFlags(flags, userId); 3545 } 3546 3547 /** 3548 * Update given flags when being used to request {@link ApplicationInfo}. 3549 */ 3550 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3551 return updateFlagsForPackage(flags, userId, cookie); 3552 } 3553 3554 /** 3555 * Update given flags when being used to request {@link ComponentInfo}. 3556 */ 3557 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3558 if (cookie instanceof Intent) { 3559 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3560 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3561 } 3562 } 3563 3564 boolean triaged = true; 3565 // Caller is asking for component details, so they'd better be 3566 // asking for specific encryption matching behavior, or be triaged 3567 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3568 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3569 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3570 triaged = false; 3571 } 3572 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3573 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3574 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3575 } 3576 3577 return updateFlags(flags, userId); 3578 } 3579 3580 /** 3581 * Update given flags when being used to request {@link ResolveInfo}. 3582 */ 3583 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3584 // Safe mode means we shouldn't match any third-party components 3585 if (mSafeMode) { 3586 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3587 } 3588 3589 return updateFlagsForComponent(flags, userId, cookie); 3590 } 3591 3592 @Override 3593 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3594 if (!sUserManager.exists(userId)) return null; 3595 flags = updateFlagsForComponent(flags, userId, component); 3596 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3597 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3598 synchronized (mPackages) { 3599 PackageParser.Activity a = mActivities.mActivities.get(component); 3600 3601 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3602 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3603 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3604 if (ps == null) return null; 3605 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3606 userId); 3607 } 3608 if (mResolveComponentName.equals(component)) { 3609 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3610 new PackageUserState(), userId); 3611 } 3612 } 3613 return null; 3614 } 3615 3616 @Override 3617 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3618 String resolvedType) { 3619 synchronized (mPackages) { 3620 if (component.equals(mResolveComponentName)) { 3621 // The resolver supports EVERYTHING! 3622 return true; 3623 } 3624 PackageParser.Activity a = mActivities.mActivities.get(component); 3625 if (a == null) { 3626 return false; 3627 } 3628 for (int i=0; i<a.intents.size(); i++) { 3629 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3630 intent.getData(), intent.getCategories(), TAG) >= 0) { 3631 return true; 3632 } 3633 } 3634 return false; 3635 } 3636 } 3637 3638 @Override 3639 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3640 if (!sUserManager.exists(userId)) return null; 3641 flags = updateFlagsForComponent(flags, userId, component); 3642 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3643 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3644 synchronized (mPackages) { 3645 PackageParser.Activity a = mReceivers.mActivities.get(component); 3646 if (DEBUG_PACKAGE_INFO) Log.v( 3647 TAG, "getReceiverInfo " + component + ": " + a); 3648 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3649 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3650 if (ps == null) return null; 3651 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3652 userId); 3653 } 3654 } 3655 return null; 3656 } 3657 3658 @Override 3659 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3660 if (!sUserManager.exists(userId)) return null; 3661 flags = updateFlagsForComponent(flags, userId, component); 3662 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3663 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3664 synchronized (mPackages) { 3665 PackageParser.Service s = mServices.mServices.get(component); 3666 if (DEBUG_PACKAGE_INFO) Log.v( 3667 TAG, "getServiceInfo " + component + ": " + s); 3668 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3669 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3670 if (ps == null) return null; 3671 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3672 userId); 3673 } 3674 } 3675 return null; 3676 } 3677 3678 @Override 3679 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3680 if (!sUserManager.exists(userId)) return null; 3681 flags = updateFlagsForComponent(flags, userId, component); 3682 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3683 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3684 synchronized (mPackages) { 3685 PackageParser.Provider p = mProviders.mProviders.get(component); 3686 if (DEBUG_PACKAGE_INFO) Log.v( 3687 TAG, "getProviderInfo " + component + ": " + p); 3688 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3689 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3690 if (ps == null) return null; 3691 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3692 userId); 3693 } 3694 } 3695 return null; 3696 } 3697 3698 @Override 3699 public String[] getSystemSharedLibraryNames() { 3700 Set<String> libSet; 3701 synchronized (mPackages) { 3702 libSet = mSharedLibraries.keySet(); 3703 int size = libSet.size(); 3704 if (size > 0) { 3705 String[] libs = new String[size]; 3706 libSet.toArray(libs); 3707 return libs; 3708 } 3709 } 3710 return null; 3711 } 3712 3713 @Override 3714 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3715 synchronized (mPackages) { 3716 return mServicesSystemSharedLibraryPackageName; 3717 } 3718 } 3719 3720 @Override 3721 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3722 synchronized (mPackages) { 3723 return mSharedSystemSharedLibraryPackageName; 3724 } 3725 } 3726 3727 @Override 3728 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3729 synchronized (mPackages) { 3730 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3731 3732 final FeatureInfo fi = new FeatureInfo(); 3733 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3734 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3735 res.add(fi); 3736 3737 return new ParceledListSlice<>(res); 3738 } 3739 } 3740 3741 @Override 3742 public boolean hasSystemFeature(String name, int version) { 3743 synchronized (mPackages) { 3744 final FeatureInfo feat = mAvailableFeatures.get(name); 3745 if (feat == null) { 3746 return false; 3747 } else { 3748 return feat.version >= version; 3749 } 3750 } 3751 } 3752 3753 @Override 3754 public int checkPermission(String permName, String pkgName, int userId) { 3755 if (!sUserManager.exists(userId)) { 3756 return PackageManager.PERMISSION_DENIED; 3757 } 3758 3759 synchronized (mPackages) { 3760 final PackageParser.Package p = mPackages.get(pkgName); 3761 if (p != null && p.mExtras != null) { 3762 final PackageSetting ps = (PackageSetting) p.mExtras; 3763 final PermissionsState permissionsState = ps.getPermissionsState(); 3764 if (permissionsState.hasPermission(permName, userId)) { 3765 return PackageManager.PERMISSION_GRANTED; 3766 } 3767 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3768 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3769 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3770 return PackageManager.PERMISSION_GRANTED; 3771 } 3772 } 3773 } 3774 3775 return PackageManager.PERMISSION_DENIED; 3776 } 3777 3778 @Override 3779 public int checkUidPermission(String permName, int uid) { 3780 final int userId = UserHandle.getUserId(uid); 3781 3782 if (!sUserManager.exists(userId)) { 3783 return PackageManager.PERMISSION_DENIED; 3784 } 3785 3786 synchronized (mPackages) { 3787 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3788 if (obj != null) { 3789 final SettingBase ps = (SettingBase) obj; 3790 final PermissionsState permissionsState = ps.getPermissionsState(); 3791 if (permissionsState.hasPermission(permName, userId)) { 3792 return PackageManager.PERMISSION_GRANTED; 3793 } 3794 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3795 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3796 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3797 return PackageManager.PERMISSION_GRANTED; 3798 } 3799 } else { 3800 ArraySet<String> perms = mSystemPermissions.get(uid); 3801 if (perms != null) { 3802 if (perms.contains(permName)) { 3803 return PackageManager.PERMISSION_GRANTED; 3804 } 3805 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3806 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3807 return PackageManager.PERMISSION_GRANTED; 3808 } 3809 } 3810 } 3811 } 3812 3813 return PackageManager.PERMISSION_DENIED; 3814 } 3815 3816 @Override 3817 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3818 if (UserHandle.getCallingUserId() != userId) { 3819 mContext.enforceCallingPermission( 3820 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3821 "isPermissionRevokedByPolicy for user " + userId); 3822 } 3823 3824 if (checkPermission(permission, packageName, userId) 3825 == PackageManager.PERMISSION_GRANTED) { 3826 return false; 3827 } 3828 3829 final long identity = Binder.clearCallingIdentity(); 3830 try { 3831 final int flags = getPermissionFlags(permission, packageName, userId); 3832 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3833 } finally { 3834 Binder.restoreCallingIdentity(identity); 3835 } 3836 } 3837 3838 @Override 3839 public String getPermissionControllerPackageName() { 3840 synchronized (mPackages) { 3841 return mRequiredInstallerPackage; 3842 } 3843 } 3844 3845 /** 3846 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3847 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3848 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3849 * @param message the message to log on security exception 3850 */ 3851 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3852 boolean checkShell, String message) { 3853 if (userId < 0) { 3854 throw new IllegalArgumentException("Invalid userId " + userId); 3855 } 3856 if (checkShell) { 3857 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3858 } 3859 if (userId == UserHandle.getUserId(callingUid)) return; 3860 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3861 if (requireFullPermission) { 3862 mContext.enforceCallingOrSelfPermission( 3863 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3864 } else { 3865 try { 3866 mContext.enforceCallingOrSelfPermission( 3867 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3868 } catch (SecurityException se) { 3869 mContext.enforceCallingOrSelfPermission( 3870 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3871 } 3872 } 3873 } 3874 } 3875 3876 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3877 if (callingUid == Process.SHELL_UID) { 3878 if (userHandle >= 0 3879 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3880 throw new SecurityException("Shell does not have permission to access user " 3881 + userHandle); 3882 } else if (userHandle < 0) { 3883 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3884 + Debug.getCallers(3)); 3885 } 3886 } 3887 } 3888 3889 private BasePermission findPermissionTreeLP(String permName) { 3890 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3891 if (permName.startsWith(bp.name) && 3892 permName.length() > bp.name.length() && 3893 permName.charAt(bp.name.length()) == '.') { 3894 return bp; 3895 } 3896 } 3897 return null; 3898 } 3899 3900 private BasePermission checkPermissionTreeLP(String permName) { 3901 if (permName != null) { 3902 BasePermission bp = findPermissionTreeLP(permName); 3903 if (bp != null) { 3904 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3905 return bp; 3906 } 3907 throw new SecurityException("Calling uid " 3908 + Binder.getCallingUid() 3909 + " is not allowed to add to permission tree " 3910 + bp.name + " owned by uid " + bp.uid); 3911 } 3912 } 3913 throw new SecurityException("No permission tree found for " + permName); 3914 } 3915 3916 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3917 if (s1 == null) { 3918 return s2 == null; 3919 } 3920 if (s2 == null) { 3921 return false; 3922 } 3923 if (s1.getClass() != s2.getClass()) { 3924 return false; 3925 } 3926 return s1.equals(s2); 3927 } 3928 3929 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3930 if (pi1.icon != pi2.icon) return false; 3931 if (pi1.logo != pi2.logo) return false; 3932 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3933 if (!compareStrings(pi1.name, pi2.name)) return false; 3934 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3935 // We'll take care of setting this one. 3936 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3937 // These are not currently stored in settings. 3938 //if (!compareStrings(pi1.group, pi2.group)) return false; 3939 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3940 //if (pi1.labelRes != pi2.labelRes) return false; 3941 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3942 return true; 3943 } 3944 3945 int permissionInfoFootprint(PermissionInfo info) { 3946 int size = info.name.length(); 3947 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3948 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3949 return size; 3950 } 3951 3952 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3953 int size = 0; 3954 for (BasePermission perm : mSettings.mPermissions.values()) { 3955 if (perm.uid == tree.uid) { 3956 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3957 } 3958 } 3959 return size; 3960 } 3961 3962 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3963 // We calculate the max size of permissions defined by this uid and throw 3964 // if that plus the size of 'info' would exceed our stated maximum. 3965 if (tree.uid != Process.SYSTEM_UID) { 3966 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3967 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3968 throw new SecurityException("Permission tree size cap exceeded"); 3969 } 3970 } 3971 } 3972 3973 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3974 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3975 throw new SecurityException("Label must be specified in permission"); 3976 } 3977 BasePermission tree = checkPermissionTreeLP(info.name); 3978 BasePermission bp = mSettings.mPermissions.get(info.name); 3979 boolean added = bp == null; 3980 boolean changed = true; 3981 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3982 if (added) { 3983 enforcePermissionCapLocked(info, tree); 3984 bp = new BasePermission(info.name, tree.sourcePackage, 3985 BasePermission.TYPE_DYNAMIC); 3986 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3987 throw new SecurityException( 3988 "Not allowed to modify non-dynamic permission " 3989 + info.name); 3990 } else { 3991 if (bp.protectionLevel == fixedLevel 3992 && bp.perm.owner.equals(tree.perm.owner) 3993 && bp.uid == tree.uid 3994 && comparePermissionInfos(bp.perm.info, info)) { 3995 changed = false; 3996 } 3997 } 3998 bp.protectionLevel = fixedLevel; 3999 info = new PermissionInfo(info); 4000 info.protectionLevel = fixedLevel; 4001 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4002 bp.perm.info.packageName = tree.perm.info.packageName; 4003 bp.uid = tree.uid; 4004 if (added) { 4005 mSettings.mPermissions.put(info.name, bp); 4006 } 4007 if (changed) { 4008 if (!async) { 4009 mSettings.writeLPr(); 4010 } else { 4011 scheduleWriteSettingsLocked(); 4012 } 4013 } 4014 return added; 4015 } 4016 4017 @Override 4018 public boolean addPermission(PermissionInfo info) { 4019 synchronized (mPackages) { 4020 return addPermissionLocked(info, false); 4021 } 4022 } 4023 4024 @Override 4025 public boolean addPermissionAsync(PermissionInfo info) { 4026 synchronized (mPackages) { 4027 return addPermissionLocked(info, true); 4028 } 4029 } 4030 4031 @Override 4032 public void removePermission(String name) { 4033 synchronized (mPackages) { 4034 checkPermissionTreeLP(name); 4035 BasePermission bp = mSettings.mPermissions.get(name); 4036 if (bp != null) { 4037 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4038 throw new SecurityException( 4039 "Not allowed to modify non-dynamic permission " 4040 + name); 4041 } 4042 mSettings.mPermissions.remove(name); 4043 mSettings.writeLPr(); 4044 } 4045 } 4046 } 4047 4048 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4049 BasePermission bp) { 4050 int index = pkg.requestedPermissions.indexOf(bp.name); 4051 if (index == -1) { 4052 throw new SecurityException("Package " + pkg.packageName 4053 + " has not requested permission " + bp.name); 4054 } 4055 if (!bp.isRuntime() && !bp.isDevelopment()) { 4056 throw new SecurityException("Permission " + bp.name 4057 + " is not a changeable permission type"); 4058 } 4059 } 4060 4061 @Override 4062 public void grantRuntimePermission(String packageName, String name, final int userId) { 4063 if (!sUserManager.exists(userId)) { 4064 Log.e(TAG, "No such user:" + userId); 4065 return; 4066 } 4067 4068 mContext.enforceCallingOrSelfPermission( 4069 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4070 "grantRuntimePermission"); 4071 4072 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4073 true /* requireFullPermission */, true /* checkShell */, 4074 "grantRuntimePermission"); 4075 4076 final int uid; 4077 final SettingBase sb; 4078 4079 synchronized (mPackages) { 4080 final PackageParser.Package pkg = mPackages.get(packageName); 4081 if (pkg == null) { 4082 throw new IllegalArgumentException("Unknown package: " + packageName); 4083 } 4084 4085 final BasePermission bp = mSettings.mPermissions.get(name); 4086 if (bp == null) { 4087 throw new IllegalArgumentException("Unknown permission: " + name); 4088 } 4089 4090 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4091 4092 // If a permission review is required for legacy apps we represent 4093 // their permissions as always granted runtime ones since we need 4094 // to keep the review required permission flag per user while an 4095 // install permission's state is shared across all users. 4096 if (Build.PERMISSIONS_REVIEW_REQUIRED 4097 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4098 && bp.isRuntime()) { 4099 return; 4100 } 4101 4102 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4103 sb = (SettingBase) pkg.mExtras; 4104 if (sb == null) { 4105 throw new IllegalArgumentException("Unknown package: " + packageName); 4106 } 4107 4108 final PermissionsState permissionsState = sb.getPermissionsState(); 4109 4110 final int flags = permissionsState.getPermissionFlags(name, userId); 4111 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4112 throw new SecurityException("Cannot grant system fixed permission " 4113 + name + " for package " + packageName); 4114 } 4115 4116 if (bp.isDevelopment()) { 4117 // Development permissions must be handled specially, since they are not 4118 // normal runtime permissions. For now they apply to all users. 4119 if (permissionsState.grantInstallPermission(bp) != 4120 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4121 scheduleWriteSettingsLocked(); 4122 } 4123 return; 4124 } 4125 4126 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4127 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4128 return; 4129 } 4130 4131 final int result = permissionsState.grantRuntimePermission(bp, userId); 4132 switch (result) { 4133 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4134 return; 4135 } 4136 4137 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4138 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4139 mHandler.post(new Runnable() { 4140 @Override 4141 public void run() { 4142 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4143 } 4144 }); 4145 } 4146 break; 4147 } 4148 4149 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4150 4151 // Not critical if that is lost - app has to request again. 4152 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4153 } 4154 4155 // Only need to do this if user is initialized. Otherwise it's a new user 4156 // and there are no processes running as the user yet and there's no need 4157 // to make an expensive call to remount processes for the changed permissions. 4158 if (READ_EXTERNAL_STORAGE.equals(name) 4159 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4160 final long token = Binder.clearCallingIdentity(); 4161 try { 4162 if (sUserManager.isInitialized(userId)) { 4163 MountServiceInternal mountServiceInternal = LocalServices.getService( 4164 MountServiceInternal.class); 4165 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4166 } 4167 } finally { 4168 Binder.restoreCallingIdentity(token); 4169 } 4170 } 4171 } 4172 4173 @Override 4174 public void revokeRuntimePermission(String packageName, String name, int userId) { 4175 if (!sUserManager.exists(userId)) { 4176 Log.e(TAG, "No such user:" + userId); 4177 return; 4178 } 4179 4180 mContext.enforceCallingOrSelfPermission( 4181 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4182 "revokeRuntimePermission"); 4183 4184 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4185 true /* requireFullPermission */, true /* checkShell */, 4186 "revokeRuntimePermission"); 4187 4188 final int appId; 4189 4190 synchronized (mPackages) { 4191 final PackageParser.Package pkg = mPackages.get(packageName); 4192 if (pkg == null) { 4193 throw new IllegalArgumentException("Unknown package: " + packageName); 4194 } 4195 4196 final BasePermission bp = mSettings.mPermissions.get(name); 4197 if (bp == null) { 4198 throw new IllegalArgumentException("Unknown permission: " + name); 4199 } 4200 4201 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4202 4203 // If a permission review is required for legacy apps we represent 4204 // their permissions as always granted runtime ones since we need 4205 // to keep the review required permission flag per user while an 4206 // install permission's state is shared across all users. 4207 if (Build.PERMISSIONS_REVIEW_REQUIRED 4208 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4209 && bp.isRuntime()) { 4210 return; 4211 } 4212 4213 SettingBase sb = (SettingBase) pkg.mExtras; 4214 if (sb == null) { 4215 throw new IllegalArgumentException("Unknown package: " + packageName); 4216 } 4217 4218 final PermissionsState permissionsState = sb.getPermissionsState(); 4219 4220 final int flags = permissionsState.getPermissionFlags(name, userId); 4221 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4222 throw new SecurityException("Cannot revoke system fixed permission " 4223 + name + " for package " + packageName); 4224 } 4225 4226 if (bp.isDevelopment()) { 4227 // Development permissions must be handled specially, since they are not 4228 // normal runtime permissions. For now they apply to all users. 4229 if (permissionsState.revokeInstallPermission(bp) != 4230 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4231 scheduleWriteSettingsLocked(); 4232 } 4233 return; 4234 } 4235 4236 if (permissionsState.revokeRuntimePermission(bp, userId) == 4237 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4238 return; 4239 } 4240 4241 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4242 4243 // Critical, after this call app should never have the permission. 4244 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4245 4246 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4247 } 4248 4249 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4250 } 4251 4252 @Override 4253 public void resetRuntimePermissions() { 4254 mContext.enforceCallingOrSelfPermission( 4255 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4256 "revokeRuntimePermission"); 4257 4258 int callingUid = Binder.getCallingUid(); 4259 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4260 mContext.enforceCallingOrSelfPermission( 4261 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4262 "resetRuntimePermissions"); 4263 } 4264 4265 synchronized (mPackages) { 4266 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4267 for (int userId : UserManagerService.getInstance().getUserIds()) { 4268 final int packageCount = mPackages.size(); 4269 for (int i = 0; i < packageCount; i++) { 4270 PackageParser.Package pkg = mPackages.valueAt(i); 4271 if (!(pkg.mExtras instanceof PackageSetting)) { 4272 continue; 4273 } 4274 PackageSetting ps = (PackageSetting) pkg.mExtras; 4275 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4276 } 4277 } 4278 } 4279 } 4280 4281 @Override 4282 public int getPermissionFlags(String name, String packageName, int userId) { 4283 if (!sUserManager.exists(userId)) { 4284 return 0; 4285 } 4286 4287 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4288 4289 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4290 true /* requireFullPermission */, false /* checkShell */, 4291 "getPermissionFlags"); 4292 4293 synchronized (mPackages) { 4294 final PackageParser.Package pkg = mPackages.get(packageName); 4295 if (pkg == null) { 4296 return 0; 4297 } 4298 4299 final BasePermission bp = mSettings.mPermissions.get(name); 4300 if (bp == null) { 4301 return 0; 4302 } 4303 4304 SettingBase sb = (SettingBase) pkg.mExtras; 4305 if (sb == null) { 4306 return 0; 4307 } 4308 4309 PermissionsState permissionsState = sb.getPermissionsState(); 4310 return permissionsState.getPermissionFlags(name, userId); 4311 } 4312 } 4313 4314 @Override 4315 public void updatePermissionFlags(String name, String packageName, int flagMask, 4316 int flagValues, int userId) { 4317 if (!sUserManager.exists(userId)) { 4318 return; 4319 } 4320 4321 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4322 4323 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4324 true /* requireFullPermission */, true /* checkShell */, 4325 "updatePermissionFlags"); 4326 4327 // Only the system can change these flags and nothing else. 4328 if (getCallingUid() != Process.SYSTEM_UID) { 4329 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4330 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4331 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4332 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4333 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4334 } 4335 4336 synchronized (mPackages) { 4337 final PackageParser.Package pkg = mPackages.get(packageName); 4338 if (pkg == null) { 4339 throw new IllegalArgumentException("Unknown package: " + packageName); 4340 } 4341 4342 final BasePermission bp = mSettings.mPermissions.get(name); 4343 if (bp == null) { 4344 throw new IllegalArgumentException("Unknown permission: " + name); 4345 } 4346 4347 SettingBase sb = (SettingBase) pkg.mExtras; 4348 if (sb == null) { 4349 throw new IllegalArgumentException("Unknown package: " + packageName); 4350 } 4351 4352 PermissionsState permissionsState = sb.getPermissionsState(); 4353 4354 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4355 4356 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4357 // Install and runtime permissions are stored in different places, 4358 // so figure out what permission changed and persist the change. 4359 if (permissionsState.getInstallPermissionState(name) != null) { 4360 scheduleWriteSettingsLocked(); 4361 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4362 || hadState) { 4363 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4364 } 4365 } 4366 } 4367 } 4368 4369 /** 4370 * Update the permission flags for all packages and runtime permissions of a user in order 4371 * to allow device or profile owner to remove POLICY_FIXED. 4372 */ 4373 @Override 4374 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4375 if (!sUserManager.exists(userId)) { 4376 return; 4377 } 4378 4379 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4380 4381 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4382 true /* requireFullPermission */, true /* checkShell */, 4383 "updatePermissionFlagsForAllApps"); 4384 4385 // Only the system can change system fixed flags. 4386 if (getCallingUid() != Process.SYSTEM_UID) { 4387 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4388 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4389 } 4390 4391 synchronized (mPackages) { 4392 boolean changed = false; 4393 final int packageCount = mPackages.size(); 4394 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4395 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4396 SettingBase sb = (SettingBase) pkg.mExtras; 4397 if (sb == null) { 4398 continue; 4399 } 4400 PermissionsState permissionsState = sb.getPermissionsState(); 4401 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4402 userId, flagMask, flagValues); 4403 } 4404 if (changed) { 4405 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4406 } 4407 } 4408 } 4409 4410 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4411 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4412 != PackageManager.PERMISSION_GRANTED 4413 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4414 != PackageManager.PERMISSION_GRANTED) { 4415 throw new SecurityException(message + " requires " 4416 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4417 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4418 } 4419 } 4420 4421 @Override 4422 public boolean shouldShowRequestPermissionRationale(String permissionName, 4423 String packageName, int userId) { 4424 if (UserHandle.getCallingUserId() != userId) { 4425 mContext.enforceCallingPermission( 4426 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4427 "canShowRequestPermissionRationale for user " + userId); 4428 } 4429 4430 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4431 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4432 return false; 4433 } 4434 4435 if (checkPermission(permissionName, packageName, userId) 4436 == PackageManager.PERMISSION_GRANTED) { 4437 return false; 4438 } 4439 4440 final int flags; 4441 4442 final long identity = Binder.clearCallingIdentity(); 4443 try { 4444 flags = getPermissionFlags(permissionName, 4445 packageName, userId); 4446 } finally { 4447 Binder.restoreCallingIdentity(identity); 4448 } 4449 4450 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4451 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4452 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4453 4454 if ((flags & fixedFlags) != 0) { 4455 return false; 4456 } 4457 4458 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4459 } 4460 4461 @Override 4462 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4463 mContext.enforceCallingOrSelfPermission( 4464 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4465 "addOnPermissionsChangeListener"); 4466 4467 synchronized (mPackages) { 4468 mOnPermissionChangeListeners.addListenerLocked(listener); 4469 } 4470 } 4471 4472 @Override 4473 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4474 synchronized (mPackages) { 4475 mOnPermissionChangeListeners.removeListenerLocked(listener); 4476 } 4477 } 4478 4479 @Override 4480 public boolean isProtectedBroadcast(String actionName) { 4481 synchronized (mPackages) { 4482 if (mProtectedBroadcasts.contains(actionName)) { 4483 return true; 4484 } else if (actionName != null) { 4485 // TODO: remove these terrible hacks 4486 if (actionName.startsWith("android.net.netmon.lingerExpired") 4487 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4488 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4489 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4490 return true; 4491 } 4492 } 4493 } 4494 return false; 4495 } 4496 4497 @Override 4498 public int checkSignatures(String pkg1, String pkg2) { 4499 synchronized (mPackages) { 4500 final PackageParser.Package p1 = mPackages.get(pkg1); 4501 final PackageParser.Package p2 = mPackages.get(pkg2); 4502 if (p1 == null || p1.mExtras == null 4503 || p2 == null || p2.mExtras == null) { 4504 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4505 } 4506 return compareSignatures(p1.mSignatures, p2.mSignatures); 4507 } 4508 } 4509 4510 @Override 4511 public int checkUidSignatures(int uid1, int uid2) { 4512 // Map to base uids. 4513 uid1 = UserHandle.getAppId(uid1); 4514 uid2 = UserHandle.getAppId(uid2); 4515 // reader 4516 synchronized (mPackages) { 4517 Signature[] s1; 4518 Signature[] s2; 4519 Object obj = mSettings.getUserIdLPr(uid1); 4520 if (obj != null) { 4521 if (obj instanceof SharedUserSetting) { 4522 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4523 } else if (obj instanceof PackageSetting) { 4524 s1 = ((PackageSetting)obj).signatures.mSignatures; 4525 } else { 4526 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4527 } 4528 } else { 4529 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4530 } 4531 obj = mSettings.getUserIdLPr(uid2); 4532 if (obj != null) { 4533 if (obj instanceof SharedUserSetting) { 4534 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4535 } else if (obj instanceof PackageSetting) { 4536 s2 = ((PackageSetting)obj).signatures.mSignatures; 4537 } else { 4538 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4539 } 4540 } else { 4541 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4542 } 4543 return compareSignatures(s1, s2); 4544 } 4545 } 4546 4547 /** 4548 * This method should typically only be used when granting or revoking 4549 * permissions, since the app may immediately restart after this call. 4550 * <p> 4551 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4552 * guard your work against the app being relaunched. 4553 */ 4554 private void killUid(int appId, int userId, String reason) { 4555 final long identity = Binder.clearCallingIdentity(); 4556 try { 4557 IActivityManager am = ActivityManagerNative.getDefault(); 4558 if (am != null) { 4559 try { 4560 am.killUid(appId, userId, reason); 4561 } catch (RemoteException e) { 4562 /* ignore - same process */ 4563 } 4564 } 4565 } finally { 4566 Binder.restoreCallingIdentity(identity); 4567 } 4568 } 4569 4570 /** 4571 * Compares two sets of signatures. Returns: 4572 * <br /> 4573 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4574 * <br /> 4575 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4576 * <br /> 4577 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4578 * <br /> 4579 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4580 * <br /> 4581 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4582 */ 4583 static int compareSignatures(Signature[] s1, Signature[] s2) { 4584 if (s1 == null) { 4585 return s2 == null 4586 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4587 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4588 } 4589 4590 if (s2 == null) { 4591 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4592 } 4593 4594 if (s1.length != s2.length) { 4595 return PackageManager.SIGNATURE_NO_MATCH; 4596 } 4597 4598 // Since both signature sets are of size 1, we can compare without HashSets. 4599 if (s1.length == 1) { 4600 return s1[0].equals(s2[0]) ? 4601 PackageManager.SIGNATURE_MATCH : 4602 PackageManager.SIGNATURE_NO_MATCH; 4603 } 4604 4605 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4606 for (Signature sig : s1) { 4607 set1.add(sig); 4608 } 4609 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4610 for (Signature sig : s2) { 4611 set2.add(sig); 4612 } 4613 // Make sure s2 contains all signatures in s1. 4614 if (set1.equals(set2)) { 4615 return PackageManager.SIGNATURE_MATCH; 4616 } 4617 return PackageManager.SIGNATURE_NO_MATCH; 4618 } 4619 4620 /** 4621 * If the database version for this type of package (internal storage or 4622 * external storage) is less than the version where package signatures 4623 * were updated, return true. 4624 */ 4625 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4626 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4627 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4628 } 4629 4630 /** 4631 * Used for backward compatibility to make sure any packages with 4632 * certificate chains get upgraded to the new style. {@code existingSigs} 4633 * will be in the old format (since they were stored on disk from before the 4634 * system upgrade) and {@code scannedSigs} will be in the newer format. 4635 */ 4636 private int compareSignaturesCompat(PackageSignatures existingSigs, 4637 PackageParser.Package scannedPkg) { 4638 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4639 return PackageManager.SIGNATURE_NO_MATCH; 4640 } 4641 4642 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4643 for (Signature sig : existingSigs.mSignatures) { 4644 existingSet.add(sig); 4645 } 4646 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4647 for (Signature sig : scannedPkg.mSignatures) { 4648 try { 4649 Signature[] chainSignatures = sig.getChainSignatures(); 4650 for (Signature chainSig : chainSignatures) { 4651 scannedCompatSet.add(chainSig); 4652 } 4653 } catch (CertificateEncodingException e) { 4654 scannedCompatSet.add(sig); 4655 } 4656 } 4657 /* 4658 * Make sure the expanded scanned set contains all signatures in the 4659 * existing one. 4660 */ 4661 if (scannedCompatSet.equals(existingSet)) { 4662 // Migrate the old signatures to the new scheme. 4663 existingSigs.assignSignatures(scannedPkg.mSignatures); 4664 // The new KeySets will be re-added later in the scanning process. 4665 synchronized (mPackages) { 4666 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4667 } 4668 return PackageManager.SIGNATURE_MATCH; 4669 } 4670 return PackageManager.SIGNATURE_NO_MATCH; 4671 } 4672 4673 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4674 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4675 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4676 } 4677 4678 private int compareSignaturesRecover(PackageSignatures existingSigs, 4679 PackageParser.Package scannedPkg) { 4680 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4681 return PackageManager.SIGNATURE_NO_MATCH; 4682 } 4683 4684 String msg = null; 4685 try { 4686 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4687 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4688 + scannedPkg.packageName); 4689 return PackageManager.SIGNATURE_MATCH; 4690 } 4691 } catch (CertificateException e) { 4692 msg = e.getMessage(); 4693 } 4694 4695 logCriticalInfo(Log.INFO, 4696 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4697 return PackageManager.SIGNATURE_NO_MATCH; 4698 } 4699 4700 @Override 4701 public List<String> getAllPackages() { 4702 synchronized (mPackages) { 4703 return new ArrayList<String>(mPackages.keySet()); 4704 } 4705 } 4706 4707 @Override 4708 public String[] getPackagesForUid(int uid) { 4709 uid = UserHandle.getAppId(uid); 4710 // reader 4711 synchronized (mPackages) { 4712 Object obj = mSettings.getUserIdLPr(uid); 4713 if (obj instanceof SharedUserSetting) { 4714 final SharedUserSetting sus = (SharedUserSetting) obj; 4715 final int N = sus.packages.size(); 4716 final String[] res = new String[N]; 4717 final Iterator<PackageSetting> it = sus.packages.iterator(); 4718 int i = 0; 4719 while (it.hasNext()) { 4720 res[i++] = it.next().name; 4721 } 4722 return res; 4723 } else if (obj instanceof PackageSetting) { 4724 final PackageSetting ps = (PackageSetting) obj; 4725 return new String[] { ps.name }; 4726 } 4727 } 4728 return null; 4729 } 4730 4731 @Override 4732 public String getNameForUid(int uid) { 4733 // reader 4734 synchronized (mPackages) { 4735 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4736 if (obj instanceof SharedUserSetting) { 4737 final SharedUserSetting sus = (SharedUserSetting) obj; 4738 return sus.name + ":" + sus.userId; 4739 } else if (obj instanceof PackageSetting) { 4740 final PackageSetting ps = (PackageSetting) obj; 4741 return ps.name; 4742 } 4743 } 4744 return null; 4745 } 4746 4747 @Override 4748 public int getUidForSharedUser(String sharedUserName) { 4749 if(sharedUserName == null) { 4750 return -1; 4751 } 4752 // reader 4753 synchronized (mPackages) { 4754 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4755 if (suid == null) { 4756 return -1; 4757 } 4758 return suid.userId; 4759 } 4760 } 4761 4762 @Override 4763 public int getFlagsForUid(int uid) { 4764 synchronized (mPackages) { 4765 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4766 if (obj instanceof SharedUserSetting) { 4767 final SharedUserSetting sus = (SharedUserSetting) obj; 4768 return sus.pkgFlags; 4769 } else if (obj instanceof PackageSetting) { 4770 final PackageSetting ps = (PackageSetting) obj; 4771 return ps.pkgFlags; 4772 } 4773 } 4774 return 0; 4775 } 4776 4777 @Override 4778 public int getPrivateFlagsForUid(int uid) { 4779 synchronized (mPackages) { 4780 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4781 if (obj instanceof SharedUserSetting) { 4782 final SharedUserSetting sus = (SharedUserSetting) obj; 4783 return sus.pkgPrivateFlags; 4784 } else if (obj instanceof PackageSetting) { 4785 final PackageSetting ps = (PackageSetting) obj; 4786 return ps.pkgPrivateFlags; 4787 } 4788 } 4789 return 0; 4790 } 4791 4792 @Override 4793 public boolean isUidPrivileged(int uid) { 4794 uid = UserHandle.getAppId(uid); 4795 // reader 4796 synchronized (mPackages) { 4797 Object obj = mSettings.getUserIdLPr(uid); 4798 if (obj instanceof SharedUserSetting) { 4799 final SharedUserSetting sus = (SharedUserSetting) obj; 4800 final Iterator<PackageSetting> it = sus.packages.iterator(); 4801 while (it.hasNext()) { 4802 if (it.next().isPrivileged()) { 4803 return true; 4804 } 4805 } 4806 } else if (obj instanceof PackageSetting) { 4807 final PackageSetting ps = (PackageSetting) obj; 4808 return ps.isPrivileged(); 4809 } 4810 } 4811 return false; 4812 } 4813 4814 @Override 4815 public String[] getAppOpPermissionPackages(String permissionName) { 4816 synchronized (mPackages) { 4817 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4818 if (pkgs == null) { 4819 return null; 4820 } 4821 return pkgs.toArray(new String[pkgs.size()]); 4822 } 4823 } 4824 4825 @Override 4826 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4827 int flags, int userId) { 4828 try { 4829 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4830 4831 if (!sUserManager.exists(userId)) return null; 4832 flags = updateFlagsForResolve(flags, userId, intent); 4833 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4834 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4835 4836 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4837 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4838 flags, userId); 4839 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4840 4841 final ResolveInfo bestChoice = 4842 chooseBestActivity(intent, resolvedType, flags, query, userId); 4843 4844 if (isEphemeralAllowed(intent, query, userId)) { 4845 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4846 final EphemeralResolveInfo ai = 4847 getEphemeralResolveInfo(intent, resolvedType, userId); 4848 if (ai != null) { 4849 if (DEBUG_EPHEMERAL) { 4850 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4851 } 4852 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4853 bestChoice.ephemeralResolveInfo = ai; 4854 } 4855 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4856 } 4857 return bestChoice; 4858 } finally { 4859 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4860 } 4861 } 4862 4863 @Override 4864 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4865 IntentFilter filter, int match, ComponentName activity) { 4866 final int userId = UserHandle.getCallingUserId(); 4867 if (DEBUG_PREFERRED) { 4868 Log.v(TAG, "setLastChosenActivity intent=" + intent 4869 + " resolvedType=" + resolvedType 4870 + " flags=" + flags 4871 + " filter=" + filter 4872 + " match=" + match 4873 + " activity=" + activity); 4874 filter.dump(new PrintStreamPrinter(System.out), " "); 4875 } 4876 intent.setComponent(null); 4877 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4878 userId); 4879 // Find any earlier preferred or last chosen entries and nuke them 4880 findPreferredActivity(intent, resolvedType, 4881 flags, query, 0, false, true, false, userId); 4882 // Add the new activity as the last chosen for this filter 4883 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4884 "Setting last chosen"); 4885 } 4886 4887 @Override 4888 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4889 final int userId = UserHandle.getCallingUserId(); 4890 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4891 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4892 userId); 4893 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4894 false, false, false, userId); 4895 } 4896 4897 4898 private boolean isEphemeralAllowed( 4899 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4900 // Short circuit and return early if possible. 4901 if (DISABLE_EPHEMERAL_APPS) { 4902 return false; 4903 } 4904 final int callingUser = UserHandle.getCallingUserId(); 4905 if (callingUser != UserHandle.USER_SYSTEM) { 4906 return false; 4907 } 4908 if (mEphemeralResolverConnection == null) { 4909 return false; 4910 } 4911 if (intent.getComponent() != null) { 4912 return false; 4913 } 4914 if (intent.getPackage() != null) { 4915 return false; 4916 } 4917 final boolean isWebUri = hasWebURI(intent); 4918 if (!isWebUri) { 4919 return false; 4920 } 4921 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4922 synchronized (mPackages) { 4923 final int count = resolvedActivites.size(); 4924 for (int n = 0; n < count; n++) { 4925 ResolveInfo info = resolvedActivites.get(n); 4926 String packageName = info.activityInfo.packageName; 4927 PackageSetting ps = mSettings.mPackages.get(packageName); 4928 if (ps != null) { 4929 // Try to get the status from User settings first 4930 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4931 int status = (int) (packedStatus >> 32); 4932 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4933 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4934 if (DEBUG_EPHEMERAL) { 4935 Slog.v(TAG, "DENY ephemeral apps;" 4936 + " pkg: " + packageName + ", status: " + status); 4937 } 4938 return false; 4939 } 4940 } 4941 } 4942 } 4943 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4944 return true; 4945 } 4946 4947 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4948 int userId) { 4949 MessageDigest digest = null; 4950 try { 4951 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4952 } catch (NoSuchAlgorithmException e) { 4953 // If we can't create a digest, ignore ephemeral apps. 4954 return null; 4955 } 4956 4957 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4958 final byte[] digestBytes = digest.digest(hostBytes); 4959 int shaPrefix = 4960 digestBytes[0] << 24 4961 | digestBytes[1] << 16 4962 | digestBytes[2] << 8 4963 | digestBytes[3] << 0; 4964 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4965 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4966 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4967 // No hash prefix match; there are no ephemeral apps for this domain. 4968 return null; 4969 } 4970 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4971 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4972 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4973 continue; 4974 } 4975 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4976 // No filters; this should never happen. 4977 if (filters.isEmpty()) { 4978 continue; 4979 } 4980 // We have a domain match; resolve the filters to see if anything matches. 4981 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4982 for (int j = filters.size() - 1; j >= 0; --j) { 4983 final EphemeralResolveIntentInfo intentInfo = 4984 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4985 ephemeralResolver.addFilter(intentInfo); 4986 } 4987 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4988 intent, resolvedType, false /*defaultOnly*/, userId); 4989 if (!matchedResolveInfoList.isEmpty()) { 4990 return matchedResolveInfoList.get(0); 4991 } 4992 } 4993 // Hash or filter mis-match; no ephemeral apps for this domain. 4994 return null; 4995 } 4996 4997 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4998 int flags, List<ResolveInfo> query, int userId) { 4999 if (query != null) { 5000 final int N = query.size(); 5001 if (N == 1) { 5002 return query.get(0); 5003 } else if (N > 1) { 5004 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5005 // If there is more than one activity with the same priority, 5006 // then let the user decide between them. 5007 ResolveInfo r0 = query.get(0); 5008 ResolveInfo r1 = query.get(1); 5009 if (DEBUG_INTENT_MATCHING || debug) { 5010 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5011 + r1.activityInfo.name + "=" + r1.priority); 5012 } 5013 // If the first activity has a higher priority, or a different 5014 // default, then it is always desirable to pick it. 5015 if (r0.priority != r1.priority 5016 || r0.preferredOrder != r1.preferredOrder 5017 || r0.isDefault != r1.isDefault) { 5018 return query.get(0); 5019 } 5020 // If we have saved a preference for a preferred activity for 5021 // this Intent, use that. 5022 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5023 flags, query, r0.priority, true, false, debug, userId); 5024 if (ri != null) { 5025 return ri; 5026 } 5027 ri = new ResolveInfo(mResolveInfo); 5028 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5029 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5030 // If all of the options come from the same package, show the application's 5031 // label and icon instead of the generic resolver's. 5032 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5033 // and then throw away the ResolveInfo itself, meaning that the caller loses 5034 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5035 // a fallback for this case; we only set the target package's resources on 5036 // the ResolveInfo, not the ActivityInfo. 5037 final String intentPackage = intent.getPackage(); 5038 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5039 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5040 ri.resolvePackageName = intentPackage; 5041 if (userNeedsBadging(userId)) { 5042 ri.noResourceId = true; 5043 } else { 5044 ri.icon = appi.icon; 5045 } 5046 ri.iconResourceId = appi.icon; 5047 ri.labelRes = appi.labelRes; 5048 } 5049 ri.activityInfo.applicationInfo = new ApplicationInfo( 5050 ri.activityInfo.applicationInfo); 5051 if (userId != 0) { 5052 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5053 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5054 } 5055 // Make sure that the resolver is displayable in car mode 5056 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5057 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5058 return ri; 5059 } 5060 } 5061 return null; 5062 } 5063 5064 /** 5065 * Return true if the given list is not empty and all of its contents have 5066 * an activityInfo with the given package name. 5067 */ 5068 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5069 if (ArrayUtils.isEmpty(list)) { 5070 return false; 5071 } 5072 for (int i = 0, N = list.size(); i < N; i++) { 5073 final ResolveInfo ri = list.get(i); 5074 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5075 if (ai == null || !packageName.equals(ai.packageName)) { 5076 return false; 5077 } 5078 } 5079 return true; 5080 } 5081 5082 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5083 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5084 final int N = query.size(); 5085 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5086 .get(userId); 5087 // Get the list of persistent preferred activities that handle the intent 5088 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5089 List<PersistentPreferredActivity> pprefs = ppir != null 5090 ? ppir.queryIntent(intent, resolvedType, 5091 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5092 : null; 5093 if (pprefs != null && pprefs.size() > 0) { 5094 final int M = pprefs.size(); 5095 for (int i=0; i<M; i++) { 5096 final PersistentPreferredActivity ppa = pprefs.get(i); 5097 if (DEBUG_PREFERRED || debug) { 5098 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5099 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5100 + "\n component=" + ppa.mComponent); 5101 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5102 } 5103 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5104 flags | MATCH_DISABLED_COMPONENTS, userId); 5105 if (DEBUG_PREFERRED || debug) { 5106 Slog.v(TAG, "Found persistent preferred activity:"); 5107 if (ai != null) { 5108 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5109 } else { 5110 Slog.v(TAG, " null"); 5111 } 5112 } 5113 if (ai == null) { 5114 // This previously registered persistent preferred activity 5115 // component is no longer known. Ignore it and do NOT remove it. 5116 continue; 5117 } 5118 for (int j=0; j<N; j++) { 5119 final ResolveInfo ri = query.get(j); 5120 if (!ri.activityInfo.applicationInfo.packageName 5121 .equals(ai.applicationInfo.packageName)) { 5122 continue; 5123 } 5124 if (!ri.activityInfo.name.equals(ai.name)) { 5125 continue; 5126 } 5127 // Found a persistent preference that can handle the intent. 5128 if (DEBUG_PREFERRED || debug) { 5129 Slog.v(TAG, "Returning persistent preferred activity: " + 5130 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5131 } 5132 return ri; 5133 } 5134 } 5135 } 5136 return null; 5137 } 5138 5139 // TODO: handle preferred activities missing while user has amnesia 5140 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5141 List<ResolveInfo> query, int priority, boolean always, 5142 boolean removeMatches, boolean debug, int userId) { 5143 if (!sUserManager.exists(userId)) return null; 5144 flags = updateFlagsForResolve(flags, userId, intent); 5145 // writer 5146 synchronized (mPackages) { 5147 if (intent.getSelector() != null) { 5148 intent = intent.getSelector(); 5149 } 5150 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5151 5152 // Try to find a matching persistent preferred activity. 5153 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5154 debug, userId); 5155 5156 // If a persistent preferred activity matched, use it. 5157 if (pri != null) { 5158 return pri; 5159 } 5160 5161 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5162 // Get the list of preferred activities that handle the intent 5163 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5164 List<PreferredActivity> prefs = pir != null 5165 ? pir.queryIntent(intent, resolvedType, 5166 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5167 : null; 5168 if (prefs != null && prefs.size() > 0) { 5169 boolean changed = false; 5170 try { 5171 // First figure out how good the original match set is. 5172 // We will only allow preferred activities that came 5173 // from the same match quality. 5174 int match = 0; 5175 5176 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5177 5178 final int N = query.size(); 5179 for (int j=0; j<N; j++) { 5180 final ResolveInfo ri = query.get(j); 5181 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5182 + ": 0x" + Integer.toHexString(match)); 5183 if (ri.match > match) { 5184 match = ri.match; 5185 } 5186 } 5187 5188 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5189 + Integer.toHexString(match)); 5190 5191 match &= IntentFilter.MATCH_CATEGORY_MASK; 5192 final int M = prefs.size(); 5193 for (int i=0; i<M; i++) { 5194 final PreferredActivity pa = prefs.get(i); 5195 if (DEBUG_PREFERRED || debug) { 5196 Slog.v(TAG, "Checking PreferredActivity ds=" 5197 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5198 + "\n component=" + pa.mPref.mComponent); 5199 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5200 } 5201 if (pa.mPref.mMatch != match) { 5202 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5203 + Integer.toHexString(pa.mPref.mMatch)); 5204 continue; 5205 } 5206 // If it's not an "always" type preferred activity and that's what we're 5207 // looking for, skip it. 5208 if (always && !pa.mPref.mAlways) { 5209 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5210 continue; 5211 } 5212 final ActivityInfo ai = getActivityInfo( 5213 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5214 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5215 userId); 5216 if (DEBUG_PREFERRED || debug) { 5217 Slog.v(TAG, "Found preferred activity:"); 5218 if (ai != null) { 5219 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5220 } else { 5221 Slog.v(TAG, " null"); 5222 } 5223 } 5224 if (ai == null) { 5225 // This previously registered preferred activity 5226 // component is no longer known. Most likely an update 5227 // to the app was installed and in the new version this 5228 // component no longer exists. Clean it up by removing 5229 // it from the preferred activities list, and skip it. 5230 Slog.w(TAG, "Removing dangling preferred activity: " 5231 + pa.mPref.mComponent); 5232 pir.removeFilter(pa); 5233 changed = true; 5234 continue; 5235 } 5236 for (int j=0; j<N; j++) { 5237 final ResolveInfo ri = query.get(j); 5238 if (!ri.activityInfo.applicationInfo.packageName 5239 .equals(ai.applicationInfo.packageName)) { 5240 continue; 5241 } 5242 if (!ri.activityInfo.name.equals(ai.name)) { 5243 continue; 5244 } 5245 5246 if (removeMatches) { 5247 pir.removeFilter(pa); 5248 changed = true; 5249 if (DEBUG_PREFERRED) { 5250 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5251 } 5252 break; 5253 } 5254 5255 // Okay we found a previously set preferred or last chosen app. 5256 // If the result set is different from when this 5257 // was created, we need to clear it and re-ask the 5258 // user their preference, if we're looking for an "always" type entry. 5259 if (always && !pa.mPref.sameSet(query)) { 5260 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5261 + intent + " type " + resolvedType); 5262 if (DEBUG_PREFERRED) { 5263 Slog.v(TAG, "Removing preferred activity since set changed " 5264 + pa.mPref.mComponent); 5265 } 5266 pir.removeFilter(pa); 5267 // Re-add the filter as a "last chosen" entry (!always) 5268 PreferredActivity lastChosen = new PreferredActivity( 5269 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5270 pir.addFilter(lastChosen); 5271 changed = true; 5272 return null; 5273 } 5274 5275 // Yay! Either the set matched or we're looking for the last chosen 5276 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5277 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5278 return ri; 5279 } 5280 } 5281 } finally { 5282 if (changed) { 5283 if (DEBUG_PREFERRED) { 5284 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5285 } 5286 scheduleWritePackageRestrictionsLocked(userId); 5287 } 5288 } 5289 } 5290 } 5291 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5292 return null; 5293 } 5294 5295 /* 5296 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5297 */ 5298 @Override 5299 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5300 int targetUserId) { 5301 mContext.enforceCallingOrSelfPermission( 5302 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5303 List<CrossProfileIntentFilter> matches = 5304 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5305 if (matches != null) { 5306 int size = matches.size(); 5307 for (int i = 0; i < size; i++) { 5308 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5309 } 5310 } 5311 if (hasWebURI(intent)) { 5312 // cross-profile app linking works only towards the parent. 5313 final UserInfo parent = getProfileParent(sourceUserId); 5314 synchronized(mPackages) { 5315 int flags = updateFlagsForResolve(0, parent.id, intent); 5316 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5317 intent, resolvedType, flags, sourceUserId, parent.id); 5318 return xpDomainInfo != null; 5319 } 5320 } 5321 return false; 5322 } 5323 5324 private UserInfo getProfileParent(int userId) { 5325 final long identity = Binder.clearCallingIdentity(); 5326 try { 5327 return sUserManager.getProfileParent(userId); 5328 } finally { 5329 Binder.restoreCallingIdentity(identity); 5330 } 5331 } 5332 5333 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5334 String resolvedType, int userId) { 5335 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5336 if (resolver != null) { 5337 return resolver.queryIntent(intent, resolvedType, false, userId); 5338 } 5339 return null; 5340 } 5341 5342 @Override 5343 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5344 String resolvedType, int flags, int userId) { 5345 try { 5346 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5347 5348 return new ParceledListSlice<>( 5349 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5350 } finally { 5351 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5352 } 5353 } 5354 5355 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5356 String resolvedType, int flags, int userId) { 5357 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5358 flags = updateFlagsForResolve(flags, userId, intent); 5359 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5360 false /* requireFullPermission */, false /* checkShell */, 5361 "query intent activities"); 5362 ComponentName comp = intent.getComponent(); 5363 if (comp == null) { 5364 if (intent.getSelector() != null) { 5365 intent = intent.getSelector(); 5366 comp = intent.getComponent(); 5367 } 5368 } 5369 5370 if (comp != null) { 5371 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5372 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5373 if (ai != null) { 5374 final ResolveInfo ri = new ResolveInfo(); 5375 ri.activityInfo = ai; 5376 list.add(ri); 5377 } 5378 return list; 5379 } 5380 5381 // reader 5382 synchronized (mPackages) { 5383 final String pkgName = intent.getPackage(); 5384 if (pkgName == null) { 5385 List<CrossProfileIntentFilter> matchingFilters = 5386 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5387 // Check for results that need to skip the current profile. 5388 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5389 resolvedType, flags, userId); 5390 if (xpResolveInfo != null) { 5391 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5392 result.add(xpResolveInfo); 5393 return filterIfNotSystemUser(result, userId); 5394 } 5395 5396 // Check for results in the current profile. 5397 List<ResolveInfo> result = mActivities.queryIntent( 5398 intent, resolvedType, flags, userId); 5399 result = filterIfNotSystemUser(result, userId); 5400 5401 // Check for cross profile results. 5402 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5403 xpResolveInfo = queryCrossProfileIntents( 5404 matchingFilters, intent, resolvedType, flags, userId, 5405 hasNonNegativePriorityResult); 5406 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5407 boolean isVisibleToUser = filterIfNotSystemUser( 5408 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5409 if (isVisibleToUser) { 5410 result.add(xpResolveInfo); 5411 Collections.sort(result, mResolvePrioritySorter); 5412 } 5413 } 5414 if (hasWebURI(intent)) { 5415 CrossProfileDomainInfo xpDomainInfo = null; 5416 final UserInfo parent = getProfileParent(userId); 5417 if (parent != null) { 5418 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5419 flags, userId, parent.id); 5420 } 5421 if (xpDomainInfo != null) { 5422 if (xpResolveInfo != null) { 5423 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5424 // in the result. 5425 result.remove(xpResolveInfo); 5426 } 5427 if (result.size() == 0) { 5428 result.add(xpDomainInfo.resolveInfo); 5429 return result; 5430 } 5431 } else if (result.size() <= 1) { 5432 return result; 5433 } 5434 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5435 xpDomainInfo, userId); 5436 Collections.sort(result, mResolvePrioritySorter); 5437 } 5438 return result; 5439 } 5440 final PackageParser.Package pkg = mPackages.get(pkgName); 5441 if (pkg != null) { 5442 return filterIfNotSystemUser( 5443 mActivities.queryIntentForPackage( 5444 intent, resolvedType, flags, pkg.activities, userId), 5445 userId); 5446 } 5447 return new ArrayList<ResolveInfo>(); 5448 } 5449 } 5450 5451 private static class CrossProfileDomainInfo { 5452 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5453 ResolveInfo resolveInfo; 5454 /* Best domain verification status of the activities found in the other profile */ 5455 int bestDomainVerificationStatus; 5456 } 5457 5458 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5459 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5460 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5461 sourceUserId)) { 5462 return null; 5463 } 5464 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5465 resolvedType, flags, parentUserId); 5466 5467 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5468 return null; 5469 } 5470 CrossProfileDomainInfo result = null; 5471 int size = resultTargetUser.size(); 5472 for (int i = 0; i < size; i++) { 5473 ResolveInfo riTargetUser = resultTargetUser.get(i); 5474 // Intent filter verification is only for filters that specify a host. So don't return 5475 // those that handle all web uris. 5476 if (riTargetUser.handleAllWebDataURI) { 5477 continue; 5478 } 5479 String packageName = riTargetUser.activityInfo.packageName; 5480 PackageSetting ps = mSettings.mPackages.get(packageName); 5481 if (ps == null) { 5482 continue; 5483 } 5484 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5485 int status = (int)(verificationState >> 32); 5486 if (result == null) { 5487 result = new CrossProfileDomainInfo(); 5488 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5489 sourceUserId, parentUserId); 5490 result.bestDomainVerificationStatus = status; 5491 } else { 5492 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5493 result.bestDomainVerificationStatus); 5494 } 5495 } 5496 // Don't consider matches with status NEVER across profiles. 5497 if (result != null && result.bestDomainVerificationStatus 5498 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5499 return null; 5500 } 5501 return result; 5502 } 5503 5504 /** 5505 * Verification statuses are ordered from the worse to the best, except for 5506 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5507 */ 5508 private int bestDomainVerificationStatus(int status1, int status2) { 5509 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5510 return status2; 5511 } 5512 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5513 return status1; 5514 } 5515 return (int) MathUtils.max(status1, status2); 5516 } 5517 5518 private boolean isUserEnabled(int userId) { 5519 long callingId = Binder.clearCallingIdentity(); 5520 try { 5521 UserInfo userInfo = sUserManager.getUserInfo(userId); 5522 return userInfo != null && userInfo.isEnabled(); 5523 } finally { 5524 Binder.restoreCallingIdentity(callingId); 5525 } 5526 } 5527 5528 /** 5529 * Filter out activities with systemUserOnly flag set, when current user is not System. 5530 * 5531 * @return filtered list 5532 */ 5533 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5534 if (userId == UserHandle.USER_SYSTEM) { 5535 return resolveInfos; 5536 } 5537 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5538 ResolveInfo info = resolveInfos.get(i); 5539 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5540 resolveInfos.remove(i); 5541 } 5542 } 5543 return resolveInfos; 5544 } 5545 5546 /** 5547 * @param resolveInfos list of resolve infos in descending priority order 5548 * @return if the list contains a resolve info with non-negative priority 5549 */ 5550 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5551 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5552 } 5553 5554 private static boolean hasWebURI(Intent intent) { 5555 if (intent.getData() == null) { 5556 return false; 5557 } 5558 final String scheme = intent.getScheme(); 5559 if (TextUtils.isEmpty(scheme)) { 5560 return false; 5561 } 5562 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5563 } 5564 5565 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5566 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5567 int userId) { 5568 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5569 5570 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5571 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5572 candidates.size()); 5573 } 5574 5575 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5576 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5577 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5578 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5579 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5580 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5581 5582 synchronized (mPackages) { 5583 final int count = candidates.size(); 5584 // First, try to use linked apps. Partition the candidates into four lists: 5585 // one for the final results, one for the "do not use ever", one for "undefined status" 5586 // and finally one for "browser app type". 5587 for (int n=0; n<count; n++) { 5588 ResolveInfo info = candidates.get(n); 5589 String packageName = info.activityInfo.packageName; 5590 PackageSetting ps = mSettings.mPackages.get(packageName); 5591 if (ps != null) { 5592 // Add to the special match all list (Browser use case) 5593 if (info.handleAllWebDataURI) { 5594 matchAllList.add(info); 5595 continue; 5596 } 5597 // Try to get the status from User settings first 5598 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5599 int status = (int)(packedStatus >> 32); 5600 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5601 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5602 if (DEBUG_DOMAIN_VERIFICATION) { 5603 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5604 + " : linkgen=" + linkGeneration); 5605 } 5606 // Use link-enabled generation as preferredOrder, i.e. 5607 // prefer newly-enabled over earlier-enabled. 5608 info.preferredOrder = linkGeneration; 5609 alwaysList.add(info); 5610 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5611 if (DEBUG_DOMAIN_VERIFICATION) { 5612 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5613 } 5614 neverList.add(info); 5615 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5616 if (DEBUG_DOMAIN_VERIFICATION) { 5617 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5618 } 5619 alwaysAskList.add(info); 5620 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5621 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5622 if (DEBUG_DOMAIN_VERIFICATION) { 5623 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5624 } 5625 undefinedList.add(info); 5626 } 5627 } 5628 } 5629 5630 // We'll want to include browser possibilities in a few cases 5631 boolean includeBrowser = false; 5632 5633 // First try to add the "always" resolution(s) for the current user, if any 5634 if (alwaysList.size() > 0) { 5635 result.addAll(alwaysList); 5636 } else { 5637 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5638 result.addAll(undefinedList); 5639 // Maybe add one for the other profile. 5640 if (xpDomainInfo != null && ( 5641 xpDomainInfo.bestDomainVerificationStatus 5642 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5643 result.add(xpDomainInfo.resolveInfo); 5644 } 5645 includeBrowser = true; 5646 } 5647 5648 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5649 // If there were 'always' entries their preferred order has been set, so we also 5650 // back that off to make the alternatives equivalent 5651 if (alwaysAskList.size() > 0) { 5652 for (ResolveInfo i : result) { 5653 i.preferredOrder = 0; 5654 } 5655 result.addAll(alwaysAskList); 5656 includeBrowser = true; 5657 } 5658 5659 if (includeBrowser) { 5660 // Also add browsers (all of them or only the default one) 5661 if (DEBUG_DOMAIN_VERIFICATION) { 5662 Slog.v(TAG, " ...including browsers in candidate set"); 5663 } 5664 if ((matchFlags & MATCH_ALL) != 0) { 5665 result.addAll(matchAllList); 5666 } else { 5667 // Browser/generic handling case. If there's a default browser, go straight 5668 // to that (but only if there is no other higher-priority match). 5669 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5670 int maxMatchPrio = 0; 5671 ResolveInfo defaultBrowserMatch = null; 5672 final int numCandidates = matchAllList.size(); 5673 for (int n = 0; n < numCandidates; n++) { 5674 ResolveInfo info = matchAllList.get(n); 5675 // track the highest overall match priority... 5676 if (info.priority > maxMatchPrio) { 5677 maxMatchPrio = info.priority; 5678 } 5679 // ...and the highest-priority default browser match 5680 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5681 if (defaultBrowserMatch == null 5682 || (defaultBrowserMatch.priority < info.priority)) { 5683 if (debug) { 5684 Slog.v(TAG, "Considering default browser match " + info); 5685 } 5686 defaultBrowserMatch = info; 5687 } 5688 } 5689 } 5690 if (defaultBrowserMatch != null 5691 && defaultBrowserMatch.priority >= maxMatchPrio 5692 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5693 { 5694 if (debug) { 5695 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5696 } 5697 result.add(defaultBrowserMatch); 5698 } else { 5699 result.addAll(matchAllList); 5700 } 5701 } 5702 5703 // If there is nothing selected, add all candidates and remove the ones that the user 5704 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5705 if (result.size() == 0) { 5706 result.addAll(candidates); 5707 result.removeAll(neverList); 5708 } 5709 } 5710 } 5711 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5712 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5713 result.size()); 5714 for (ResolveInfo info : result) { 5715 Slog.v(TAG, " + " + info.activityInfo); 5716 } 5717 } 5718 return result; 5719 } 5720 5721 // Returns a packed value as a long: 5722 // 5723 // high 'int'-sized word: link status: undefined/ask/never/always. 5724 // low 'int'-sized word: relative priority among 'always' results. 5725 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5726 long result = ps.getDomainVerificationStatusForUser(userId); 5727 // if none available, get the master status 5728 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5729 if (ps.getIntentFilterVerificationInfo() != null) { 5730 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5731 } 5732 } 5733 return result; 5734 } 5735 5736 private ResolveInfo querySkipCurrentProfileIntents( 5737 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5738 int flags, int sourceUserId) { 5739 if (matchingFilters != null) { 5740 int size = matchingFilters.size(); 5741 for (int i = 0; i < size; i ++) { 5742 CrossProfileIntentFilter filter = matchingFilters.get(i); 5743 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5744 // Checking if there are activities in the target user that can handle the 5745 // intent. 5746 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5747 resolvedType, flags, sourceUserId); 5748 if (resolveInfo != null) { 5749 return resolveInfo; 5750 } 5751 } 5752 } 5753 } 5754 return null; 5755 } 5756 5757 // Return matching ResolveInfo in target user if any. 5758 private ResolveInfo queryCrossProfileIntents( 5759 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5760 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5761 if (matchingFilters != null) { 5762 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5763 // match the same intent. For performance reasons, it is better not to 5764 // run queryIntent twice for the same userId 5765 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5766 int size = matchingFilters.size(); 5767 for (int i = 0; i < size; i++) { 5768 CrossProfileIntentFilter filter = matchingFilters.get(i); 5769 int targetUserId = filter.getTargetUserId(); 5770 boolean skipCurrentProfile = 5771 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5772 boolean skipCurrentProfileIfNoMatchFound = 5773 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5774 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5775 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5776 // Checking if there are activities in the target user that can handle the 5777 // intent. 5778 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5779 resolvedType, flags, sourceUserId); 5780 if (resolveInfo != null) return resolveInfo; 5781 alreadyTriedUserIds.put(targetUserId, true); 5782 } 5783 } 5784 } 5785 return null; 5786 } 5787 5788 /** 5789 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5790 * will forward the intent to the filter's target user. 5791 * Otherwise, returns null. 5792 */ 5793 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5794 String resolvedType, int flags, int sourceUserId) { 5795 int targetUserId = filter.getTargetUserId(); 5796 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5797 resolvedType, flags, targetUserId); 5798 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5799 // If all the matches in the target profile are suspended, return null. 5800 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5801 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5802 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5803 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5804 targetUserId); 5805 } 5806 } 5807 } 5808 return null; 5809 } 5810 5811 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5812 int sourceUserId, int targetUserId) { 5813 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5814 long ident = Binder.clearCallingIdentity(); 5815 boolean targetIsProfile; 5816 try { 5817 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5818 } finally { 5819 Binder.restoreCallingIdentity(ident); 5820 } 5821 String className; 5822 if (targetIsProfile) { 5823 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5824 } else { 5825 className = FORWARD_INTENT_TO_PARENT; 5826 } 5827 ComponentName forwardingActivityComponentName = new ComponentName( 5828 mAndroidApplication.packageName, className); 5829 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5830 sourceUserId); 5831 if (!targetIsProfile) { 5832 forwardingActivityInfo.showUserIcon = targetUserId; 5833 forwardingResolveInfo.noResourceId = true; 5834 } 5835 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5836 forwardingResolveInfo.priority = 0; 5837 forwardingResolveInfo.preferredOrder = 0; 5838 forwardingResolveInfo.match = 0; 5839 forwardingResolveInfo.isDefault = true; 5840 forwardingResolveInfo.filter = filter; 5841 forwardingResolveInfo.targetUserId = targetUserId; 5842 return forwardingResolveInfo; 5843 } 5844 5845 @Override 5846 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5847 Intent[] specifics, String[] specificTypes, Intent intent, 5848 String resolvedType, int flags, int userId) { 5849 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5850 specificTypes, intent, resolvedType, flags, userId)); 5851 } 5852 5853 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5854 Intent[] specifics, String[] specificTypes, Intent intent, 5855 String resolvedType, int flags, int userId) { 5856 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5857 flags = updateFlagsForResolve(flags, userId, intent); 5858 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5859 false /* requireFullPermission */, false /* checkShell */, 5860 "query intent activity options"); 5861 final String resultsAction = intent.getAction(); 5862 5863 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5864 | PackageManager.GET_RESOLVED_FILTER, userId); 5865 5866 if (DEBUG_INTENT_MATCHING) { 5867 Log.v(TAG, "Query " + intent + ": " + results); 5868 } 5869 5870 int specificsPos = 0; 5871 int N; 5872 5873 // todo: note that the algorithm used here is O(N^2). This 5874 // isn't a problem in our current environment, but if we start running 5875 // into situations where we have more than 5 or 10 matches then this 5876 // should probably be changed to something smarter... 5877 5878 // First we go through and resolve each of the specific items 5879 // that were supplied, taking care of removing any corresponding 5880 // duplicate items in the generic resolve list. 5881 if (specifics != null) { 5882 for (int i=0; i<specifics.length; i++) { 5883 final Intent sintent = specifics[i]; 5884 if (sintent == null) { 5885 continue; 5886 } 5887 5888 if (DEBUG_INTENT_MATCHING) { 5889 Log.v(TAG, "Specific #" + i + ": " + sintent); 5890 } 5891 5892 String action = sintent.getAction(); 5893 if (resultsAction != null && resultsAction.equals(action)) { 5894 // If this action was explicitly requested, then don't 5895 // remove things that have it. 5896 action = null; 5897 } 5898 5899 ResolveInfo ri = null; 5900 ActivityInfo ai = null; 5901 5902 ComponentName comp = sintent.getComponent(); 5903 if (comp == null) { 5904 ri = resolveIntent( 5905 sintent, 5906 specificTypes != null ? specificTypes[i] : null, 5907 flags, userId); 5908 if (ri == null) { 5909 continue; 5910 } 5911 if (ri == mResolveInfo) { 5912 // ACK! Must do something better with this. 5913 } 5914 ai = ri.activityInfo; 5915 comp = new ComponentName(ai.applicationInfo.packageName, 5916 ai.name); 5917 } else { 5918 ai = getActivityInfo(comp, flags, userId); 5919 if (ai == null) { 5920 continue; 5921 } 5922 } 5923 5924 // Look for any generic query activities that are duplicates 5925 // of this specific one, and remove them from the results. 5926 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5927 N = results.size(); 5928 int j; 5929 for (j=specificsPos; j<N; j++) { 5930 ResolveInfo sri = results.get(j); 5931 if ((sri.activityInfo.name.equals(comp.getClassName()) 5932 && sri.activityInfo.applicationInfo.packageName.equals( 5933 comp.getPackageName())) 5934 || (action != null && sri.filter.matchAction(action))) { 5935 results.remove(j); 5936 if (DEBUG_INTENT_MATCHING) Log.v( 5937 TAG, "Removing duplicate item from " + j 5938 + " due to specific " + specificsPos); 5939 if (ri == null) { 5940 ri = sri; 5941 } 5942 j--; 5943 N--; 5944 } 5945 } 5946 5947 // Add this specific item to its proper place. 5948 if (ri == null) { 5949 ri = new ResolveInfo(); 5950 ri.activityInfo = ai; 5951 } 5952 results.add(specificsPos, ri); 5953 ri.specificIndex = i; 5954 specificsPos++; 5955 } 5956 } 5957 5958 // Now we go through the remaining generic results and remove any 5959 // duplicate actions that are found here. 5960 N = results.size(); 5961 for (int i=specificsPos; i<N-1; i++) { 5962 final ResolveInfo rii = results.get(i); 5963 if (rii.filter == null) { 5964 continue; 5965 } 5966 5967 // Iterate over all of the actions of this result's intent 5968 // filter... typically this should be just one. 5969 final Iterator<String> it = rii.filter.actionsIterator(); 5970 if (it == null) { 5971 continue; 5972 } 5973 while (it.hasNext()) { 5974 final String action = it.next(); 5975 if (resultsAction != null && resultsAction.equals(action)) { 5976 // If this action was explicitly requested, then don't 5977 // remove things that have it. 5978 continue; 5979 } 5980 for (int j=i+1; j<N; j++) { 5981 final ResolveInfo rij = results.get(j); 5982 if (rij.filter != null && rij.filter.hasAction(action)) { 5983 results.remove(j); 5984 if (DEBUG_INTENT_MATCHING) Log.v( 5985 TAG, "Removing duplicate item from " + j 5986 + " due to action " + action + " at " + i); 5987 j--; 5988 N--; 5989 } 5990 } 5991 } 5992 5993 // If the caller didn't request filter information, drop it now 5994 // so we don't have to marshall/unmarshall it. 5995 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5996 rii.filter = null; 5997 } 5998 } 5999 6000 // Filter out the caller activity if so requested. 6001 if (caller != null) { 6002 N = results.size(); 6003 for (int i=0; i<N; i++) { 6004 ActivityInfo ainfo = results.get(i).activityInfo; 6005 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6006 && caller.getClassName().equals(ainfo.name)) { 6007 results.remove(i); 6008 break; 6009 } 6010 } 6011 } 6012 6013 // If the caller didn't request filter information, 6014 // drop them now so we don't have to 6015 // marshall/unmarshall it. 6016 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6017 N = results.size(); 6018 for (int i=0; i<N; i++) { 6019 results.get(i).filter = null; 6020 } 6021 } 6022 6023 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 6024 return results; 6025 } 6026 6027 @Override 6028 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 6029 String resolvedType, int flags, int userId) { 6030 return new ParceledListSlice<>( 6031 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 6032 } 6033 6034 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 6035 String resolvedType, int flags, int userId) { 6036 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6037 flags = updateFlagsForResolve(flags, userId, intent); 6038 ComponentName comp = intent.getComponent(); 6039 if (comp == null) { 6040 if (intent.getSelector() != null) { 6041 intent = intent.getSelector(); 6042 comp = intent.getComponent(); 6043 } 6044 } 6045 if (comp != null) { 6046 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6047 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 6048 if (ai != null) { 6049 ResolveInfo ri = new ResolveInfo(); 6050 ri.activityInfo = ai; 6051 list.add(ri); 6052 } 6053 return list; 6054 } 6055 6056 // reader 6057 synchronized (mPackages) { 6058 String pkgName = intent.getPackage(); 6059 if (pkgName == null) { 6060 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6061 } 6062 final PackageParser.Package pkg = mPackages.get(pkgName); 6063 if (pkg != null) { 6064 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6065 userId); 6066 } 6067 return Collections.emptyList(); 6068 } 6069 } 6070 6071 @Override 6072 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6073 if (!sUserManager.exists(userId)) return null; 6074 flags = updateFlagsForResolve(flags, userId, intent); 6075 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6076 if (query != null) { 6077 if (query.size() >= 1) { 6078 // If there is more than one service with the same priority, 6079 // just arbitrarily pick the first one. 6080 return query.get(0); 6081 } 6082 } 6083 return null; 6084 } 6085 6086 @Override 6087 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6088 String resolvedType, int flags, int userId) { 6089 return new ParceledListSlice<>( 6090 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6091 } 6092 6093 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6094 String resolvedType, int flags, int userId) { 6095 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6096 flags = updateFlagsForResolve(flags, userId, intent); 6097 ComponentName comp = intent.getComponent(); 6098 if (comp == null) { 6099 if (intent.getSelector() != null) { 6100 intent = intent.getSelector(); 6101 comp = intent.getComponent(); 6102 } 6103 } 6104 if (comp != null) { 6105 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6106 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6107 if (si != null) { 6108 final ResolveInfo ri = new ResolveInfo(); 6109 ri.serviceInfo = si; 6110 list.add(ri); 6111 } 6112 return list; 6113 } 6114 6115 // reader 6116 synchronized (mPackages) { 6117 String pkgName = intent.getPackage(); 6118 if (pkgName == null) { 6119 return mServices.queryIntent(intent, resolvedType, flags, userId); 6120 } 6121 final PackageParser.Package pkg = mPackages.get(pkgName); 6122 if (pkg != null) { 6123 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6124 userId); 6125 } 6126 return Collections.emptyList(); 6127 } 6128 } 6129 6130 @Override 6131 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6132 String resolvedType, int flags, int userId) { 6133 return new ParceledListSlice<>( 6134 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6135 } 6136 6137 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6138 Intent intent, String resolvedType, int flags, int userId) { 6139 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6140 flags = updateFlagsForResolve(flags, userId, intent); 6141 ComponentName comp = intent.getComponent(); 6142 if (comp == null) { 6143 if (intent.getSelector() != null) { 6144 intent = intent.getSelector(); 6145 comp = intent.getComponent(); 6146 } 6147 } 6148 if (comp != null) { 6149 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6150 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6151 if (pi != null) { 6152 final ResolveInfo ri = new ResolveInfo(); 6153 ri.providerInfo = pi; 6154 list.add(ri); 6155 } 6156 return list; 6157 } 6158 6159 // reader 6160 synchronized (mPackages) { 6161 String pkgName = intent.getPackage(); 6162 if (pkgName == null) { 6163 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6164 } 6165 final PackageParser.Package pkg = mPackages.get(pkgName); 6166 if (pkg != null) { 6167 return mProviders.queryIntentForPackage( 6168 intent, resolvedType, flags, pkg.providers, userId); 6169 } 6170 return Collections.emptyList(); 6171 } 6172 } 6173 6174 @Override 6175 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6176 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6177 flags = updateFlagsForPackage(flags, userId, null); 6178 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6179 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6180 true /* requireFullPermission */, false /* checkShell */, 6181 "get installed packages"); 6182 6183 // writer 6184 synchronized (mPackages) { 6185 ArrayList<PackageInfo> list; 6186 if (listUninstalled) { 6187 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6188 for (PackageSetting ps : mSettings.mPackages.values()) { 6189 final PackageInfo pi; 6190 if (ps.pkg != null) { 6191 pi = generatePackageInfo(ps, flags, userId); 6192 } else { 6193 pi = generatePackageInfo(ps, flags, userId); 6194 } 6195 if (pi != null) { 6196 list.add(pi); 6197 } 6198 } 6199 } else { 6200 list = new ArrayList<PackageInfo>(mPackages.size()); 6201 for (PackageParser.Package p : mPackages.values()) { 6202 final PackageInfo pi = 6203 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6204 if (pi != null) { 6205 list.add(pi); 6206 } 6207 } 6208 } 6209 6210 return new ParceledListSlice<PackageInfo>(list); 6211 } 6212 } 6213 6214 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6215 String[] permissions, boolean[] tmp, int flags, int userId) { 6216 int numMatch = 0; 6217 final PermissionsState permissionsState = ps.getPermissionsState(); 6218 for (int i=0; i<permissions.length; i++) { 6219 final String permission = permissions[i]; 6220 if (permissionsState.hasPermission(permission, userId)) { 6221 tmp[i] = true; 6222 numMatch++; 6223 } else { 6224 tmp[i] = false; 6225 } 6226 } 6227 if (numMatch == 0) { 6228 return; 6229 } 6230 final PackageInfo pi; 6231 if (ps.pkg != null) { 6232 pi = generatePackageInfo(ps, flags, userId); 6233 } else { 6234 pi = generatePackageInfo(ps, flags, userId); 6235 } 6236 // The above might return null in cases of uninstalled apps or install-state 6237 // skew across users/profiles. 6238 if (pi != null) { 6239 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6240 if (numMatch == permissions.length) { 6241 pi.requestedPermissions = permissions; 6242 } else { 6243 pi.requestedPermissions = new String[numMatch]; 6244 numMatch = 0; 6245 for (int i=0; i<permissions.length; i++) { 6246 if (tmp[i]) { 6247 pi.requestedPermissions[numMatch] = permissions[i]; 6248 numMatch++; 6249 } 6250 } 6251 } 6252 } 6253 list.add(pi); 6254 } 6255 } 6256 6257 @Override 6258 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6259 String[] permissions, int flags, int userId) { 6260 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6261 flags = updateFlagsForPackage(flags, userId, permissions); 6262 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6263 6264 // writer 6265 synchronized (mPackages) { 6266 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6267 boolean[] tmpBools = new boolean[permissions.length]; 6268 if (listUninstalled) { 6269 for (PackageSetting ps : mSettings.mPackages.values()) { 6270 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6271 } 6272 } else { 6273 for (PackageParser.Package pkg : mPackages.values()) { 6274 PackageSetting ps = (PackageSetting)pkg.mExtras; 6275 if (ps != null) { 6276 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6277 userId); 6278 } 6279 } 6280 } 6281 6282 return new ParceledListSlice<PackageInfo>(list); 6283 } 6284 } 6285 6286 @Override 6287 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6288 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6289 flags = updateFlagsForApplication(flags, userId, null); 6290 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6291 6292 // writer 6293 synchronized (mPackages) { 6294 ArrayList<ApplicationInfo> list; 6295 if (listUninstalled) { 6296 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6297 for (PackageSetting ps : mSettings.mPackages.values()) { 6298 ApplicationInfo ai; 6299 if (ps.pkg != null) { 6300 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6301 ps.readUserState(userId), userId); 6302 } else { 6303 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6304 } 6305 if (ai != null) { 6306 list.add(ai); 6307 } 6308 } 6309 } else { 6310 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6311 for (PackageParser.Package p : mPackages.values()) { 6312 if (p.mExtras != null) { 6313 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6314 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6315 if (ai != null) { 6316 list.add(ai); 6317 } 6318 } 6319 } 6320 } 6321 6322 return new ParceledListSlice<ApplicationInfo>(list); 6323 } 6324 } 6325 6326 @Override 6327 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6328 if (DISABLE_EPHEMERAL_APPS) { 6329 return null; 6330 } 6331 6332 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6333 "getEphemeralApplications"); 6334 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6335 true /* requireFullPermission */, false /* checkShell */, 6336 "getEphemeralApplications"); 6337 synchronized (mPackages) { 6338 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6339 .getEphemeralApplicationsLPw(userId); 6340 if (ephemeralApps != null) { 6341 return new ParceledListSlice<>(ephemeralApps); 6342 } 6343 } 6344 return null; 6345 } 6346 6347 @Override 6348 public boolean isEphemeralApplication(String packageName, int userId) { 6349 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6350 true /* requireFullPermission */, false /* checkShell */, 6351 "isEphemeral"); 6352 if (DISABLE_EPHEMERAL_APPS) { 6353 return false; 6354 } 6355 6356 if (!isCallerSameApp(packageName)) { 6357 return false; 6358 } 6359 synchronized (mPackages) { 6360 PackageParser.Package pkg = mPackages.get(packageName); 6361 if (pkg != null) { 6362 return pkg.applicationInfo.isEphemeralApp(); 6363 } 6364 } 6365 return false; 6366 } 6367 6368 @Override 6369 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6370 if (DISABLE_EPHEMERAL_APPS) { 6371 return null; 6372 } 6373 6374 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6375 true /* requireFullPermission */, false /* checkShell */, 6376 "getCookie"); 6377 if (!isCallerSameApp(packageName)) { 6378 return null; 6379 } 6380 synchronized (mPackages) { 6381 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6382 packageName, userId); 6383 } 6384 } 6385 6386 @Override 6387 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6388 if (DISABLE_EPHEMERAL_APPS) { 6389 return true; 6390 } 6391 6392 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6393 true /* requireFullPermission */, true /* checkShell */, 6394 "setCookie"); 6395 if (!isCallerSameApp(packageName)) { 6396 return false; 6397 } 6398 synchronized (mPackages) { 6399 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6400 packageName, cookie, userId); 6401 } 6402 } 6403 6404 @Override 6405 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6406 if (DISABLE_EPHEMERAL_APPS) { 6407 return null; 6408 } 6409 6410 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6411 "getEphemeralApplicationIcon"); 6412 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6413 true /* requireFullPermission */, false /* checkShell */, 6414 "getEphemeralApplicationIcon"); 6415 synchronized (mPackages) { 6416 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6417 packageName, userId); 6418 } 6419 } 6420 6421 private boolean isCallerSameApp(String packageName) { 6422 PackageParser.Package pkg = mPackages.get(packageName); 6423 return pkg != null 6424 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6425 } 6426 6427 @Override 6428 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6429 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6430 } 6431 6432 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6433 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6434 6435 // reader 6436 synchronized (mPackages) { 6437 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6438 final int userId = UserHandle.getCallingUserId(); 6439 while (i.hasNext()) { 6440 final PackageParser.Package p = i.next(); 6441 if (p.applicationInfo == null) continue; 6442 6443 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6444 && !p.applicationInfo.isDirectBootAware(); 6445 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6446 && p.applicationInfo.isDirectBootAware(); 6447 6448 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6449 && (!mSafeMode || isSystemApp(p)) 6450 && (matchesUnaware || matchesAware)) { 6451 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6452 if (ps != null) { 6453 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6454 ps.readUserState(userId), userId); 6455 if (ai != null) { 6456 finalList.add(ai); 6457 } 6458 } 6459 } 6460 } 6461 } 6462 6463 return finalList; 6464 } 6465 6466 @Override 6467 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6468 if (!sUserManager.exists(userId)) return null; 6469 flags = updateFlagsForComponent(flags, userId, name); 6470 // reader 6471 synchronized (mPackages) { 6472 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6473 PackageSetting ps = provider != null 6474 ? mSettings.mPackages.get(provider.owner.packageName) 6475 : null; 6476 return ps != null 6477 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6478 ? PackageParser.generateProviderInfo(provider, flags, 6479 ps.readUserState(userId), userId) 6480 : null; 6481 } 6482 } 6483 6484 /** 6485 * @deprecated 6486 */ 6487 @Deprecated 6488 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6489 // reader 6490 synchronized (mPackages) { 6491 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6492 .entrySet().iterator(); 6493 final int userId = UserHandle.getCallingUserId(); 6494 while (i.hasNext()) { 6495 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6496 PackageParser.Provider p = entry.getValue(); 6497 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6498 6499 if (ps != null && p.syncable 6500 && (!mSafeMode || (p.info.applicationInfo.flags 6501 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6502 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6503 ps.readUserState(userId), userId); 6504 if (info != null) { 6505 outNames.add(entry.getKey()); 6506 outInfo.add(info); 6507 } 6508 } 6509 } 6510 } 6511 } 6512 6513 @Override 6514 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6515 int uid, int flags) { 6516 final int userId = processName != null ? UserHandle.getUserId(uid) 6517 : UserHandle.getCallingUserId(); 6518 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6519 flags = updateFlagsForComponent(flags, userId, processName); 6520 6521 ArrayList<ProviderInfo> finalList = null; 6522 // reader 6523 synchronized (mPackages) { 6524 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6525 while (i.hasNext()) { 6526 final PackageParser.Provider p = i.next(); 6527 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6528 if (ps != null && p.info.authority != null 6529 && (processName == null 6530 || (p.info.processName.equals(processName) 6531 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6532 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6533 if (finalList == null) { 6534 finalList = new ArrayList<ProviderInfo>(3); 6535 } 6536 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6537 ps.readUserState(userId), userId); 6538 if (info != null) { 6539 finalList.add(info); 6540 } 6541 } 6542 } 6543 } 6544 6545 if (finalList != null) { 6546 Collections.sort(finalList, mProviderInitOrderSorter); 6547 return new ParceledListSlice<ProviderInfo>(finalList); 6548 } 6549 6550 return ParceledListSlice.emptyList(); 6551 } 6552 6553 @Override 6554 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6555 // reader 6556 synchronized (mPackages) { 6557 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6558 return PackageParser.generateInstrumentationInfo(i, flags); 6559 } 6560 } 6561 6562 @Override 6563 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6564 String targetPackage, int flags) { 6565 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6566 } 6567 6568 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6569 int flags) { 6570 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6571 6572 // reader 6573 synchronized (mPackages) { 6574 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6575 while (i.hasNext()) { 6576 final PackageParser.Instrumentation p = i.next(); 6577 if (targetPackage == null 6578 || targetPackage.equals(p.info.targetPackage)) { 6579 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6580 flags); 6581 if (ii != null) { 6582 finalList.add(ii); 6583 } 6584 } 6585 } 6586 } 6587 6588 return finalList; 6589 } 6590 6591 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6592 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6593 if (overlays == null) { 6594 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6595 return; 6596 } 6597 for (PackageParser.Package opkg : overlays.values()) { 6598 // Not much to do if idmap fails: we already logged the error 6599 // and we certainly don't want to abort installation of pkg simply 6600 // because an overlay didn't fit properly. For these reasons, 6601 // ignore the return value of createIdmapForPackagePairLI. 6602 createIdmapForPackagePairLI(pkg, opkg); 6603 } 6604 } 6605 6606 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6607 PackageParser.Package opkg) { 6608 if (!opkg.mTrustedOverlay) { 6609 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6610 opkg.baseCodePath + ": overlay not trusted"); 6611 return false; 6612 } 6613 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6614 if (overlaySet == null) { 6615 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6616 opkg.baseCodePath + " but target package has no known overlays"); 6617 return false; 6618 } 6619 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6620 // TODO: generate idmap for split APKs 6621 try { 6622 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6623 } catch (InstallerException e) { 6624 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6625 + opkg.baseCodePath); 6626 return false; 6627 } 6628 PackageParser.Package[] overlayArray = 6629 overlaySet.values().toArray(new PackageParser.Package[0]); 6630 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6631 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6632 return p1.mOverlayPriority - p2.mOverlayPriority; 6633 } 6634 }; 6635 Arrays.sort(overlayArray, cmp); 6636 6637 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6638 int i = 0; 6639 for (PackageParser.Package p : overlayArray) { 6640 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6641 } 6642 return true; 6643 } 6644 6645 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6646 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6647 try { 6648 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6649 } finally { 6650 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6651 } 6652 } 6653 6654 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6655 final File[] files = dir.listFiles(); 6656 if (ArrayUtils.isEmpty(files)) { 6657 Log.d(TAG, "No files in app dir " + dir); 6658 return; 6659 } 6660 6661 if (DEBUG_PACKAGE_SCANNING) { 6662 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6663 + " flags=0x" + Integer.toHexString(parseFlags)); 6664 } 6665 6666 for (File file : files) { 6667 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6668 && !PackageInstallerService.isStageName(file.getName()); 6669 if (!isPackage) { 6670 // Ignore entries which are not packages 6671 continue; 6672 } 6673 try { 6674 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6675 scanFlags, currentTime, null); 6676 } catch (PackageManagerException e) { 6677 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6678 6679 // Delete invalid userdata apps 6680 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6681 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6682 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6683 removeCodePathLI(file); 6684 } 6685 } 6686 } 6687 } 6688 6689 private static File getSettingsProblemFile() { 6690 File dataDir = Environment.getDataDirectory(); 6691 File systemDir = new File(dataDir, "system"); 6692 File fname = new File(systemDir, "uiderrors.txt"); 6693 return fname; 6694 } 6695 6696 static void reportSettingsProblem(int priority, String msg) { 6697 logCriticalInfo(priority, msg); 6698 } 6699 6700 static void logCriticalInfo(int priority, String msg) { 6701 Slog.println(priority, TAG, msg); 6702 EventLogTags.writePmCriticalInfo(msg); 6703 try { 6704 File fname = getSettingsProblemFile(); 6705 FileOutputStream out = new FileOutputStream(fname, true); 6706 PrintWriter pw = new FastPrintWriter(out); 6707 SimpleDateFormat formatter = new SimpleDateFormat(); 6708 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6709 pw.println(dateString + ": " + msg); 6710 pw.close(); 6711 FileUtils.setPermissions( 6712 fname.toString(), 6713 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6714 -1, -1); 6715 } catch (java.io.IOException e) { 6716 } 6717 } 6718 6719 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6720 final int policyFlags) throws PackageManagerException { 6721 if (ps != null 6722 && ps.codePath.equals(srcFile) 6723 && ps.timeStamp == srcFile.lastModified() 6724 && !isCompatSignatureUpdateNeeded(pkg) 6725 && !isRecoverSignatureUpdateNeeded(pkg)) { 6726 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6727 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6728 ArraySet<PublicKey> signingKs; 6729 synchronized (mPackages) { 6730 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6731 } 6732 if (ps.signatures.mSignatures != null 6733 && ps.signatures.mSignatures.length != 0 6734 && signingKs != null) { 6735 // Optimization: reuse the existing cached certificates 6736 // if the package appears to be unchanged. 6737 pkg.mSignatures = ps.signatures.mSignatures; 6738 pkg.mSigningKeys = signingKs; 6739 return; 6740 } 6741 6742 Slog.w(TAG, "PackageSetting for " + ps.name 6743 + " is missing signatures. Collecting certs again to recover them."); 6744 } else { 6745 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6746 } 6747 6748 try { 6749 PackageParser.collectCertificates(pkg, policyFlags); 6750 } catch (PackageParserException e) { 6751 throw PackageManagerException.from(e); 6752 } 6753 } 6754 6755 /** 6756 * Traces a package scan. 6757 * @see #scanPackageLI(File, int, int, long, UserHandle) 6758 */ 6759 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6760 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6761 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6762 try { 6763 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6764 } finally { 6765 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6766 } 6767 } 6768 6769 /** 6770 * Scans a package and returns the newly parsed package. 6771 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6772 */ 6773 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6774 long currentTime, UserHandle user) throws PackageManagerException { 6775 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6776 PackageParser pp = new PackageParser(); 6777 pp.setSeparateProcesses(mSeparateProcesses); 6778 pp.setOnlyCoreApps(mOnlyCore); 6779 pp.setDisplayMetrics(mMetrics); 6780 6781 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6782 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6783 } 6784 6785 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6786 final PackageParser.Package pkg; 6787 try { 6788 pkg = pp.parsePackage(scanFile, parseFlags); 6789 } catch (PackageParserException e) { 6790 throw PackageManagerException.from(e); 6791 } finally { 6792 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6793 } 6794 6795 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6796 } 6797 6798 /** 6799 * Scans a package and returns the newly parsed package. 6800 * @throws PackageManagerException on a parse error. 6801 */ 6802 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6803 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6804 throws PackageManagerException { 6805 // If the package has children and this is the first dive in the function 6806 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6807 // packages (parent and children) would be successfully scanned before the 6808 // actual scan since scanning mutates internal state and we want to atomically 6809 // install the package and its children. 6810 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6811 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6812 scanFlags |= SCAN_CHECK_ONLY; 6813 } 6814 } else { 6815 scanFlags &= ~SCAN_CHECK_ONLY; 6816 } 6817 6818 // Scan the parent 6819 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6820 scanFlags, currentTime, user); 6821 6822 // Scan the children 6823 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6824 for (int i = 0; i < childCount; i++) { 6825 PackageParser.Package childPackage = pkg.childPackages.get(i); 6826 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6827 currentTime, user); 6828 } 6829 6830 6831 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6832 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6833 } 6834 6835 return scannedPkg; 6836 } 6837 6838 /** 6839 * Scans a package and returns the newly parsed package. 6840 * @throws PackageManagerException on a parse error. 6841 */ 6842 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6843 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6844 throws PackageManagerException { 6845 PackageSetting ps = null; 6846 PackageSetting updatedPkg; 6847 // reader 6848 synchronized (mPackages) { 6849 // Look to see if we already know about this package. 6850 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6851 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6852 // This package has been renamed to its original name. Let's 6853 // use that. 6854 ps = mSettings.peekPackageLPr(oldName); 6855 } 6856 // If there was no original package, see one for the real package name. 6857 if (ps == null) { 6858 ps = mSettings.peekPackageLPr(pkg.packageName); 6859 } 6860 // Check to see if this package could be hiding/updating a system 6861 // package. Must look for it either under the original or real 6862 // package name depending on our state. 6863 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6864 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6865 6866 // If this is a package we don't know about on the system partition, we 6867 // may need to remove disabled child packages on the system partition 6868 // or may need to not add child packages if the parent apk is updated 6869 // on the data partition and no longer defines this child package. 6870 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6871 // If this is a parent package for an updated system app and this system 6872 // app got an OTA update which no longer defines some of the child packages 6873 // we have to prune them from the disabled system packages. 6874 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6875 if (disabledPs != null) { 6876 final int scannedChildCount = (pkg.childPackages != null) 6877 ? pkg.childPackages.size() : 0; 6878 final int disabledChildCount = disabledPs.childPackageNames != null 6879 ? disabledPs.childPackageNames.size() : 0; 6880 for (int i = 0; i < disabledChildCount; i++) { 6881 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6882 boolean disabledPackageAvailable = false; 6883 for (int j = 0; j < scannedChildCount; j++) { 6884 PackageParser.Package childPkg = pkg.childPackages.get(j); 6885 if (childPkg.packageName.equals(disabledChildPackageName)) { 6886 disabledPackageAvailable = true; 6887 break; 6888 } 6889 } 6890 if (!disabledPackageAvailable) { 6891 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6892 } 6893 } 6894 } 6895 } 6896 } 6897 6898 boolean updatedPkgBetter = false; 6899 // First check if this is a system package that may involve an update 6900 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6901 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6902 // it needs to drop FLAG_PRIVILEGED. 6903 if (locationIsPrivileged(scanFile)) { 6904 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6905 } else { 6906 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6907 } 6908 6909 if (ps != null && !ps.codePath.equals(scanFile)) { 6910 // The path has changed from what was last scanned... check the 6911 // version of the new path against what we have stored to determine 6912 // what to do. 6913 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6914 if (pkg.mVersionCode <= ps.versionCode) { 6915 // The system package has been updated and the code path does not match 6916 // Ignore entry. Skip it. 6917 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6918 + " ignored: updated version " + ps.versionCode 6919 + " better than this " + pkg.mVersionCode); 6920 if (!updatedPkg.codePath.equals(scanFile)) { 6921 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6922 + ps.name + " changing from " + updatedPkg.codePathString 6923 + " to " + scanFile); 6924 updatedPkg.codePath = scanFile; 6925 updatedPkg.codePathString = scanFile.toString(); 6926 updatedPkg.resourcePath = scanFile; 6927 updatedPkg.resourcePathString = scanFile.toString(); 6928 } 6929 updatedPkg.pkg = pkg; 6930 updatedPkg.versionCode = pkg.mVersionCode; 6931 6932 // Update the disabled system child packages to point to the package too. 6933 final int childCount = updatedPkg.childPackageNames != null 6934 ? updatedPkg.childPackageNames.size() : 0; 6935 for (int i = 0; i < childCount; i++) { 6936 String childPackageName = updatedPkg.childPackageNames.get(i); 6937 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6938 childPackageName); 6939 if (updatedChildPkg != null) { 6940 updatedChildPkg.pkg = pkg; 6941 updatedChildPkg.versionCode = pkg.mVersionCode; 6942 } 6943 } 6944 6945 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6946 + scanFile + " ignored: updated version " + ps.versionCode 6947 + " better than this " + pkg.mVersionCode); 6948 } else { 6949 // The current app on the system partition is better than 6950 // what we have updated to on the data partition; switch 6951 // back to the system partition version. 6952 // At this point, its safely assumed that package installation for 6953 // apps in system partition will go through. If not there won't be a working 6954 // version of the app 6955 // writer 6956 synchronized (mPackages) { 6957 // Just remove the loaded entries from package lists. 6958 mPackages.remove(ps.name); 6959 } 6960 6961 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6962 + " reverting from " + ps.codePathString 6963 + ": new version " + pkg.mVersionCode 6964 + " better than installed " + ps.versionCode); 6965 6966 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6967 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6968 synchronized (mInstallLock) { 6969 args.cleanUpResourcesLI(); 6970 } 6971 synchronized (mPackages) { 6972 mSettings.enableSystemPackageLPw(ps.name); 6973 } 6974 updatedPkgBetter = true; 6975 } 6976 } 6977 } 6978 6979 if (updatedPkg != null) { 6980 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6981 // initially 6982 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6983 6984 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6985 // flag set initially 6986 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6987 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6988 } 6989 } 6990 6991 // Verify certificates against what was last scanned 6992 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6993 6994 /* 6995 * A new system app appeared, but we already had a non-system one of the 6996 * same name installed earlier. 6997 */ 6998 boolean shouldHideSystemApp = false; 6999 if (updatedPkg == null && ps != null 7000 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 7001 /* 7002 * Check to make sure the signatures match first. If they don't, 7003 * wipe the installed application and its data. 7004 */ 7005 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 7006 != PackageManager.SIGNATURE_MATCH) { 7007 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 7008 + " signatures don't match existing userdata copy; removing"); 7009 try (PackageFreezer freezer = freezePackage(pkg.packageName, 7010 "scanPackageInternalLI")) { 7011 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 7012 } 7013 ps = null; 7014 } else { 7015 /* 7016 * If the newly-added system app is an older version than the 7017 * already installed version, hide it. It will be scanned later 7018 * and re-added like an update. 7019 */ 7020 if (pkg.mVersionCode <= ps.versionCode) { 7021 shouldHideSystemApp = true; 7022 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 7023 + " but new version " + pkg.mVersionCode + " better than installed " 7024 + ps.versionCode + "; hiding system"); 7025 } else { 7026 /* 7027 * The newly found system app is a newer version that the 7028 * one previously installed. Simply remove the 7029 * already-installed application and replace it with our own 7030 * while keeping the application data. 7031 */ 7032 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 7033 + " reverting from " + ps.codePathString + ": new version " 7034 + pkg.mVersionCode + " better than installed " + ps.versionCode); 7035 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 7036 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 7037 synchronized (mInstallLock) { 7038 args.cleanUpResourcesLI(); 7039 } 7040 } 7041 } 7042 } 7043 7044 // The apk is forward locked (not public) if its code and resources 7045 // are kept in different files. (except for app in either system or 7046 // vendor path). 7047 // TODO grab this value from PackageSettings 7048 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7049 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 7050 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 7051 } 7052 } 7053 7054 // TODO: extend to support forward-locked splits 7055 String resourcePath = null; 7056 String baseResourcePath = null; 7057 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 7058 if (ps != null && ps.resourcePathString != null) { 7059 resourcePath = ps.resourcePathString; 7060 baseResourcePath = ps.resourcePathString; 7061 } else { 7062 // Should not happen at all. Just log an error. 7063 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7064 } 7065 } else { 7066 resourcePath = pkg.codePath; 7067 baseResourcePath = pkg.baseCodePath; 7068 } 7069 7070 // Set application objects path explicitly. 7071 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7072 pkg.setApplicationInfoCodePath(pkg.codePath); 7073 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7074 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7075 pkg.setApplicationInfoResourcePath(resourcePath); 7076 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7077 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7078 7079 // Note that we invoke the following method only if we are about to unpack an application 7080 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7081 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7082 7083 /* 7084 * If the system app should be overridden by a previously installed 7085 * data, hide the system app now and let the /data/app scan pick it up 7086 * again. 7087 */ 7088 if (shouldHideSystemApp) { 7089 synchronized (mPackages) { 7090 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7091 } 7092 } 7093 7094 return scannedPkg; 7095 } 7096 7097 private static String fixProcessName(String defProcessName, 7098 String processName, int uid) { 7099 if (processName == null) { 7100 return defProcessName; 7101 } 7102 return processName; 7103 } 7104 7105 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7106 throws PackageManagerException { 7107 if (pkgSetting.signatures.mSignatures != null) { 7108 // Already existing package. Make sure signatures match 7109 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7110 == PackageManager.SIGNATURE_MATCH; 7111 if (!match) { 7112 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7113 == PackageManager.SIGNATURE_MATCH; 7114 } 7115 if (!match) { 7116 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7117 == PackageManager.SIGNATURE_MATCH; 7118 } 7119 if (!match) { 7120 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7121 + pkg.packageName + " signatures do not match the " 7122 + "previously installed version; ignoring!"); 7123 } 7124 } 7125 7126 // Check for shared user signatures 7127 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7128 // Already existing package. Make sure signatures match 7129 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7130 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7131 if (!match) { 7132 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7133 == PackageManager.SIGNATURE_MATCH; 7134 } 7135 if (!match) { 7136 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7137 == PackageManager.SIGNATURE_MATCH; 7138 } 7139 if (!match) { 7140 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7141 "Package " + pkg.packageName 7142 + " has no signatures that match those in shared user " 7143 + pkgSetting.sharedUser.name + "; ignoring!"); 7144 } 7145 } 7146 } 7147 7148 /** 7149 * Enforces that only the system UID or root's UID can call a method exposed 7150 * via Binder. 7151 * 7152 * @param message used as message if SecurityException is thrown 7153 * @throws SecurityException if the caller is not system or root 7154 */ 7155 private static final void enforceSystemOrRoot(String message) { 7156 final int uid = Binder.getCallingUid(); 7157 if (uid != Process.SYSTEM_UID && uid != 0) { 7158 throw new SecurityException(message); 7159 } 7160 } 7161 7162 @Override 7163 public void performFstrimIfNeeded() { 7164 enforceSystemOrRoot("Only the system can request fstrim"); 7165 7166 // Before everything else, see whether we need to fstrim. 7167 try { 7168 IMountService ms = PackageHelper.getMountService(); 7169 if (ms != null) { 7170 final boolean isUpgrade = isUpgrade(); 7171 boolean doTrim = isUpgrade; 7172 if (doTrim) { 7173 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7174 } else { 7175 final long interval = android.provider.Settings.Global.getLong( 7176 mContext.getContentResolver(), 7177 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7178 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7179 if (interval > 0) { 7180 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7181 if (timeSinceLast > interval) { 7182 doTrim = true; 7183 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7184 + "; running immediately"); 7185 } 7186 } 7187 } 7188 if (doTrim) { 7189 if (!isFirstBoot()) { 7190 try { 7191 ActivityManagerNative.getDefault().showBootMessage( 7192 mContext.getResources().getString( 7193 R.string.android_upgrading_fstrim), true); 7194 } catch (RemoteException e) { 7195 } 7196 } 7197 ms.runMaintenance(); 7198 } 7199 } else { 7200 Slog.e(TAG, "Mount service unavailable!"); 7201 } 7202 } catch (RemoteException e) { 7203 // Can't happen; MountService is local 7204 } 7205 } 7206 7207 @Override 7208 public void updatePackagesIfNeeded() { 7209 enforceSystemOrRoot("Only the system can request package update"); 7210 7211 // We need to re-extract after an OTA. 7212 boolean causeUpgrade = isUpgrade(); 7213 7214 // First boot or factory reset. 7215 // Note: we also handle devices that are upgrading to N right now as if it is their 7216 // first boot, as they do not have profile data. 7217 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7218 7219 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7220 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7221 7222 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7223 return; 7224 } 7225 7226 List<PackageParser.Package> pkgs; 7227 synchronized (mPackages) { 7228 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7229 } 7230 7231 int numberOfPackagesVisited = 0; 7232 int numberOfPackagesOptimized = 0; 7233 int numberOfPackagesSkipped = 0; 7234 int numberOfPackagesFailed = 0; 7235 final int numberOfPackagesToDexopt = pkgs.size(); 7236 final long startTime = System.nanoTime(); 7237 7238 for (PackageParser.Package pkg : pkgs) { 7239 numberOfPackagesVisited++; 7240 7241 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7242 if (DEBUG_DEXOPT) { 7243 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7244 } 7245 numberOfPackagesSkipped++; 7246 continue; 7247 } 7248 7249 if (DEBUG_DEXOPT) { 7250 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 7251 numberOfPackagesToDexopt + ": " + pkg.packageName); 7252 } 7253 7254 if (mIsPreNUpgrade) { 7255 try { 7256 ActivityManagerNative.getDefault().showBootMessage( 7257 mContext.getResources().getString(R.string.android_upgrading_apk, 7258 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 7259 } catch (RemoteException e) { 7260 } 7261 } 7262 7263 // checkProfiles is false to avoid merging profiles during boot which 7264 // might interfere with background compilation (b/28612421). 7265 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 7266 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 7267 // trade-off worth doing to save boot time work. 7268 int dexOptStatus = performDexOptTraced(pkg.packageName, 7269 false /* checkProfiles */, 7270 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT), 7271 false /* force */); 7272 switch (dexOptStatus) { 7273 case PackageDexOptimizer.DEX_OPT_PERFORMED: 7274 numberOfPackagesOptimized++; 7275 break; 7276 case PackageDexOptimizer.DEX_OPT_SKIPPED: 7277 numberOfPackagesSkipped++; 7278 break; 7279 case PackageDexOptimizer.DEX_OPT_FAILED: 7280 numberOfPackagesFailed++; 7281 break; 7282 default: 7283 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 7284 break; 7285 } 7286 } 7287 7288 final int elapsedTimeSeconds = 7289 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 7290 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", numberOfPackagesOptimized); 7291 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", numberOfPackagesSkipped); 7292 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", numberOfPackagesFailed); 7293 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 7294 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 7295 } 7296 7297 @Override 7298 public void notifyPackageUse(String packageName, int reason) { 7299 synchronized (mPackages) { 7300 PackageParser.Package p = mPackages.get(packageName); 7301 if (p == null) { 7302 return; 7303 } 7304 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7305 } 7306 } 7307 7308 // TODO: this is not used nor needed. Delete it. 7309 @Override 7310 public boolean performDexOptIfNeeded(String packageName) { 7311 int dexOptStatus = performDexOptTraced(packageName, 7312 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 7313 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7314 } 7315 7316 @Override 7317 public boolean performDexOpt(String packageName, 7318 boolean checkProfiles, int compileReason, boolean force) { 7319 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7320 getCompilerFilterForReason(compileReason), force); 7321 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7322 } 7323 7324 @Override 7325 public boolean performDexOptMode(String packageName, 7326 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7327 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 7328 targetCompilerFilter, force); 7329 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 7330 } 7331 7332 private int performDexOptTraced(String packageName, 7333 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7334 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7335 try { 7336 return performDexOptInternal(packageName, checkProfiles, 7337 targetCompilerFilter, force); 7338 } finally { 7339 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7340 } 7341 } 7342 7343 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7344 // if the package can now be considered up to date for the given filter. 7345 private int performDexOptInternal(String packageName, 7346 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7347 PackageParser.Package p; 7348 synchronized (mPackages) { 7349 p = mPackages.get(packageName); 7350 if (p == null) { 7351 // Package could not be found. Report failure. 7352 return PackageDexOptimizer.DEX_OPT_FAILED; 7353 } 7354 mPackageUsage.write(false); 7355 } 7356 long callingId = Binder.clearCallingIdentity(); 7357 try { 7358 synchronized (mInstallLock) { 7359 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 7360 targetCompilerFilter, force); 7361 } 7362 } finally { 7363 Binder.restoreCallingIdentity(callingId); 7364 } 7365 } 7366 7367 public ArraySet<String> getOptimizablePackages() { 7368 ArraySet<String> pkgs = new ArraySet<String>(); 7369 synchronized (mPackages) { 7370 for (PackageParser.Package p : mPackages.values()) { 7371 if (PackageDexOptimizer.canOptimizePackage(p)) { 7372 pkgs.add(p.packageName); 7373 } 7374 } 7375 } 7376 return pkgs; 7377 } 7378 7379 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7380 boolean checkProfiles, String targetCompilerFilter, 7381 boolean force) { 7382 // Select the dex optimizer based on the force parameter. 7383 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7384 // allocate an object here. 7385 PackageDexOptimizer pdo = force 7386 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7387 : mPackageDexOptimizer; 7388 7389 // Optimize all dependencies first. Note: we ignore the return value and march on 7390 // on errors. 7391 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7392 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 7393 if (!deps.isEmpty()) { 7394 for (PackageParser.Package depPackage : deps) { 7395 // TODO: Analyze and investigate if we (should) profile libraries. 7396 // Currently this will do a full compilation of the library by default. 7397 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7398 false /* checkProfiles */, 7399 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7400 } 7401 } 7402 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7403 targetCompilerFilter); 7404 } 7405 7406 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7407 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7408 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7409 Set<String> collectedNames = new HashSet<>(); 7410 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7411 7412 retValue.remove(p); 7413 7414 return retValue; 7415 } else { 7416 return Collections.emptyList(); 7417 } 7418 } 7419 7420 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7421 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7422 if (!collectedNames.contains(p.packageName)) { 7423 collectedNames.add(p.packageName); 7424 collected.add(p); 7425 7426 if (p.usesLibraries != null) { 7427 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7428 } 7429 if (p.usesOptionalLibraries != null) { 7430 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7431 collectedNames); 7432 } 7433 } 7434 } 7435 7436 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7437 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7438 for (String libName : libs) { 7439 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7440 if (libPkg != null) { 7441 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7442 } 7443 } 7444 } 7445 7446 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7447 synchronized (mPackages) { 7448 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7449 if (lib != null && lib.apk != null) { 7450 return mPackages.get(lib.apk); 7451 } 7452 } 7453 return null; 7454 } 7455 7456 public void shutdown() { 7457 mPackageUsage.write(true); 7458 } 7459 7460 @Override 7461 public void dumpProfiles(String packageName) { 7462 PackageParser.Package pkg; 7463 synchronized (mPackages) { 7464 pkg = mPackages.get(packageName); 7465 if (pkg == null) { 7466 throw new IllegalArgumentException("Unknown package: " + packageName); 7467 } 7468 } 7469 /* Only the shell or the app user should be able to dump profiles. */ 7470 int callingUid = Binder.getCallingUid(); 7471 if (callingUid != Process.SHELL_UID && callingUid != pkg.applicationInfo.uid) { 7472 throw new SecurityException("dumpProfiles"); 7473 } 7474 7475 synchronized (mInstallLock) { 7476 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 7477 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 7478 try { 7479 final File codeFile = new File(pkg.applicationInfo.getCodePath()); 7480 List<String> allCodePaths = Collections.EMPTY_LIST; 7481 if (codeFile != null && codeFile.exists()) { 7482 try { 7483 final PackageLite codePkg = PackageParser.parsePackageLite(codeFile, 0); 7484 allCodePaths = codePkg.getAllCodePaths(); 7485 } catch (PackageParserException e) { 7486 // Well, we tried. 7487 } 7488 } 7489 String gid = Integer.toString(sharedGid); 7490 String codePaths = TextUtils.join(";", allCodePaths); 7491 mInstaller.dumpProfiles(gid, packageName, codePaths); 7492 } catch (InstallerException e) { 7493 Slog.w(TAG, "Failed to dump profiles", e); 7494 } 7495 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7496 } 7497 } 7498 7499 @Override 7500 public void forceDexOpt(String packageName) { 7501 enforceSystemOrRoot("forceDexOpt"); 7502 7503 PackageParser.Package pkg; 7504 synchronized (mPackages) { 7505 pkg = mPackages.get(packageName); 7506 if (pkg == null) { 7507 throw new IllegalArgumentException("Unknown package: " + packageName); 7508 } 7509 } 7510 7511 synchronized (mInstallLock) { 7512 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7513 7514 // Whoever is calling forceDexOpt wants a fully compiled package. 7515 // Don't use profiles since that may cause compilation to be skipped. 7516 final int res = performDexOptInternalWithDependenciesLI(pkg, 7517 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7518 true /* force */); 7519 7520 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7521 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7522 throw new IllegalStateException("Failed to dexopt: " + res); 7523 } 7524 } 7525 } 7526 7527 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7528 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7529 Slog.w(TAG, "Unable to update from " + oldPkg.name 7530 + " to " + newPkg.packageName 7531 + ": old package not in system partition"); 7532 return false; 7533 } else if (mPackages.get(oldPkg.name) != null) { 7534 Slog.w(TAG, "Unable to update from " + oldPkg.name 7535 + " to " + newPkg.packageName 7536 + ": old package still exists"); 7537 return false; 7538 } 7539 return true; 7540 } 7541 7542 void removeCodePathLI(File codePath) { 7543 if (codePath.isDirectory()) { 7544 try { 7545 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7546 } catch (InstallerException e) { 7547 Slog.w(TAG, "Failed to remove code path", e); 7548 } 7549 } else { 7550 codePath.delete(); 7551 } 7552 } 7553 7554 private int[] resolveUserIds(int userId) { 7555 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7556 } 7557 7558 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7559 if (pkg == null) { 7560 Slog.wtf(TAG, "Package was null!", new Throwable()); 7561 return; 7562 } 7563 clearAppDataLeafLIF(pkg, userId, flags); 7564 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7565 for (int i = 0; i < childCount; i++) { 7566 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7567 } 7568 } 7569 7570 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7571 final PackageSetting ps; 7572 synchronized (mPackages) { 7573 ps = mSettings.mPackages.get(pkg.packageName); 7574 } 7575 for (int realUserId : resolveUserIds(userId)) { 7576 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7577 try { 7578 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7579 ceDataInode); 7580 } catch (InstallerException e) { 7581 Slog.w(TAG, String.valueOf(e)); 7582 } 7583 } 7584 } 7585 7586 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7587 if (pkg == null) { 7588 Slog.wtf(TAG, "Package was null!", new Throwable()); 7589 return; 7590 } 7591 destroyAppDataLeafLIF(pkg, userId, flags); 7592 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7593 for (int i = 0; i < childCount; i++) { 7594 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7595 } 7596 } 7597 7598 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7599 final PackageSetting ps; 7600 synchronized (mPackages) { 7601 ps = mSettings.mPackages.get(pkg.packageName); 7602 } 7603 for (int realUserId : resolveUserIds(userId)) { 7604 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7605 try { 7606 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7607 ceDataInode); 7608 } catch (InstallerException e) { 7609 Slog.w(TAG, String.valueOf(e)); 7610 } 7611 } 7612 } 7613 7614 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 7615 if (pkg == null) { 7616 Slog.wtf(TAG, "Package was null!", new Throwable()); 7617 return; 7618 } 7619 destroyAppProfilesLeafLIF(pkg); 7620 destroyAppReferenceProfileLeafLIF(pkg, userId); 7621 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7622 for (int i = 0; i < childCount; i++) { 7623 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7624 destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId); 7625 } 7626 } 7627 7628 private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId) { 7629 if (pkg.isForwardLocked()) { 7630 return; 7631 } 7632 7633 for (String path : pkg.getAllCodePathsExcludingResourceOnly()) { 7634 try { 7635 path = PackageManagerServiceUtils.realpath(new File(path)); 7636 } catch (IOException e) { 7637 // TODO: Should we return early here ? 7638 Slog.w(TAG, "Failed to get canonical path", e); 7639 continue; 7640 } 7641 7642 final String useMarker = path.replace('/', '@'); 7643 for (int realUserId : resolveUserIds(userId)) { 7644 File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId); 7645 File foreignUseMark = new File(profileDir, useMarker); 7646 if (foreignUseMark.exists()) { 7647 if (!foreignUseMark.delete()) { 7648 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7649 + pkg.packageName); 7650 } 7651 } 7652 7653 File[] markers = profileDir.listFiles(); 7654 if (markers != null) { 7655 final String searchString = "@" + pkg.packageName + "@"; 7656 // We also delete all markers that contain the package name we're 7657 // uninstalling. These are associated with secondary dex-files belonging 7658 // to the package. Reconstructing the path of these dex files is messy 7659 // in general. 7660 for (File marker : markers) { 7661 if (marker.getName().indexOf(searchString) > 0) { 7662 if (!marker.delete()) { 7663 Slog.w(TAG, "Unable to delete foreign user mark for package: " 7664 + pkg.packageName); 7665 } 7666 } 7667 } 7668 } 7669 } 7670 } 7671 } 7672 7673 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7674 try { 7675 mInstaller.destroyAppProfiles(pkg.packageName); 7676 } catch (InstallerException e) { 7677 Slog.w(TAG, String.valueOf(e)); 7678 } 7679 } 7680 7681 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 7682 if (pkg == null) { 7683 Slog.wtf(TAG, "Package was null!", new Throwable()); 7684 return; 7685 } 7686 clearAppProfilesLeafLIF(pkg); 7687 destroyAppReferenceProfileLeafLIF(pkg, userId); 7688 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7689 for (int i = 0; i < childCount; i++) { 7690 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7691 } 7692 } 7693 7694 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7695 try { 7696 mInstaller.clearAppProfiles(pkg.packageName); 7697 } catch (InstallerException e) { 7698 Slog.w(TAG, String.valueOf(e)); 7699 } 7700 } 7701 7702 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7703 long lastUpdateTime) { 7704 // Set parent install/update time 7705 PackageSetting ps = (PackageSetting) pkg.mExtras; 7706 if (ps != null) { 7707 ps.firstInstallTime = firstInstallTime; 7708 ps.lastUpdateTime = lastUpdateTime; 7709 } 7710 // Set children install/update time 7711 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7712 for (int i = 0; i < childCount; i++) { 7713 PackageParser.Package childPkg = pkg.childPackages.get(i); 7714 ps = (PackageSetting) childPkg.mExtras; 7715 if (ps != null) { 7716 ps.firstInstallTime = firstInstallTime; 7717 ps.lastUpdateTime = lastUpdateTime; 7718 } 7719 } 7720 } 7721 7722 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7723 PackageParser.Package changingLib) { 7724 if (file.path != null) { 7725 usesLibraryFiles.add(file.path); 7726 return; 7727 } 7728 PackageParser.Package p = mPackages.get(file.apk); 7729 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7730 // If we are doing this while in the middle of updating a library apk, 7731 // then we need to make sure to use that new apk for determining the 7732 // dependencies here. (We haven't yet finished committing the new apk 7733 // to the package manager state.) 7734 if (p == null || p.packageName.equals(changingLib.packageName)) { 7735 p = changingLib; 7736 } 7737 } 7738 if (p != null) { 7739 usesLibraryFiles.addAll(p.getAllCodePaths()); 7740 } 7741 } 7742 7743 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7744 PackageParser.Package changingLib) throws PackageManagerException { 7745 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7746 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7747 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7748 for (int i=0; i<N; i++) { 7749 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7750 if (file == null) { 7751 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7752 "Package " + pkg.packageName + " requires unavailable shared library " 7753 + pkg.usesLibraries.get(i) + "; failing!"); 7754 } 7755 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7756 } 7757 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7758 for (int i=0; i<N; i++) { 7759 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7760 if (file == null) { 7761 Slog.w(TAG, "Package " + pkg.packageName 7762 + " desires unavailable shared library " 7763 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7764 } else { 7765 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7766 } 7767 } 7768 N = usesLibraryFiles.size(); 7769 if (N > 0) { 7770 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7771 } else { 7772 pkg.usesLibraryFiles = null; 7773 } 7774 } 7775 } 7776 7777 private static boolean hasString(List<String> list, List<String> which) { 7778 if (list == null) { 7779 return false; 7780 } 7781 for (int i=list.size()-1; i>=0; i--) { 7782 for (int j=which.size()-1; j>=0; j--) { 7783 if (which.get(j).equals(list.get(i))) { 7784 return true; 7785 } 7786 } 7787 } 7788 return false; 7789 } 7790 7791 private void updateAllSharedLibrariesLPw() { 7792 for (PackageParser.Package pkg : mPackages.values()) { 7793 try { 7794 updateSharedLibrariesLPw(pkg, null); 7795 } catch (PackageManagerException e) { 7796 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7797 } 7798 } 7799 } 7800 7801 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7802 PackageParser.Package changingPkg) { 7803 ArrayList<PackageParser.Package> res = null; 7804 for (PackageParser.Package pkg : mPackages.values()) { 7805 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7806 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7807 if (res == null) { 7808 res = new ArrayList<PackageParser.Package>(); 7809 } 7810 res.add(pkg); 7811 try { 7812 updateSharedLibrariesLPw(pkg, changingPkg); 7813 } catch (PackageManagerException e) { 7814 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7815 } 7816 } 7817 } 7818 return res; 7819 } 7820 7821 /** 7822 * Derive the value of the {@code cpuAbiOverride} based on the provided 7823 * value and an optional stored value from the package settings. 7824 */ 7825 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7826 String cpuAbiOverride = null; 7827 7828 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7829 cpuAbiOverride = null; 7830 } else if (abiOverride != null) { 7831 cpuAbiOverride = abiOverride; 7832 } else if (settings != null) { 7833 cpuAbiOverride = settings.cpuAbiOverrideString; 7834 } 7835 7836 return cpuAbiOverride; 7837 } 7838 7839 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7840 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7841 throws PackageManagerException { 7842 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7843 // If the package has children and this is the first dive in the function 7844 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7845 // whether all packages (parent and children) would be successfully scanned 7846 // before the actual scan since scanning mutates internal state and we want 7847 // to atomically install the package and its children. 7848 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7849 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7850 scanFlags |= SCAN_CHECK_ONLY; 7851 } 7852 } else { 7853 scanFlags &= ~SCAN_CHECK_ONLY; 7854 } 7855 7856 final PackageParser.Package scannedPkg; 7857 try { 7858 // Scan the parent 7859 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7860 // Scan the children 7861 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7862 for (int i = 0; i < childCount; i++) { 7863 PackageParser.Package childPkg = pkg.childPackages.get(i); 7864 scanPackageLI(childPkg, policyFlags, 7865 scanFlags, currentTime, user); 7866 } 7867 } finally { 7868 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7869 } 7870 7871 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7872 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7873 } 7874 7875 return scannedPkg; 7876 } 7877 7878 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7879 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7880 boolean success = false; 7881 try { 7882 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7883 currentTime, user); 7884 success = true; 7885 return res; 7886 } finally { 7887 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7888 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7889 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7890 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7891 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 7892 } 7893 } 7894 } 7895 7896 /** 7897 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7898 */ 7899 private static boolean apkHasCode(String fileName) { 7900 StrictJarFile jarFile = null; 7901 try { 7902 jarFile = new StrictJarFile(fileName, 7903 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7904 return jarFile.findEntry("classes.dex") != null; 7905 } catch (IOException ignore) { 7906 } finally { 7907 try { 7908 jarFile.close(); 7909 } catch (IOException ignore) {} 7910 } 7911 return false; 7912 } 7913 7914 /** 7915 * Enforces code policy for the package. This ensures that if an APK has 7916 * declared hasCode="true" in its manifest that the APK actually contains 7917 * code. 7918 * 7919 * @throws PackageManagerException If bytecode could not be found when it should exist 7920 */ 7921 private static void enforceCodePolicy(PackageParser.Package pkg) 7922 throws PackageManagerException { 7923 final boolean shouldHaveCode = 7924 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7925 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7926 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7927 "Package " + pkg.baseCodePath + " code is missing"); 7928 } 7929 7930 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7931 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7932 final boolean splitShouldHaveCode = 7933 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7934 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7935 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7936 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7937 } 7938 } 7939 } 7940 } 7941 7942 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7943 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7944 throws PackageManagerException { 7945 final File scanFile = new File(pkg.codePath); 7946 if (pkg.applicationInfo.getCodePath() == null || 7947 pkg.applicationInfo.getResourcePath() == null) { 7948 // Bail out. The resource and code paths haven't been set. 7949 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7950 "Code and resource paths haven't been set correctly"); 7951 } 7952 7953 // Apply policy 7954 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7955 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7956 if (pkg.applicationInfo.isDirectBootAware()) { 7957 // we're direct boot aware; set for all components 7958 for (PackageParser.Service s : pkg.services) { 7959 s.info.encryptionAware = s.info.directBootAware = true; 7960 } 7961 for (PackageParser.Provider p : pkg.providers) { 7962 p.info.encryptionAware = p.info.directBootAware = true; 7963 } 7964 for (PackageParser.Activity a : pkg.activities) { 7965 a.info.encryptionAware = a.info.directBootAware = true; 7966 } 7967 for (PackageParser.Activity r : pkg.receivers) { 7968 r.info.encryptionAware = r.info.directBootAware = true; 7969 } 7970 } 7971 } else { 7972 // Only allow system apps to be flagged as core apps. 7973 pkg.coreApp = false; 7974 // clear flags not applicable to regular apps 7975 pkg.applicationInfo.privateFlags &= 7976 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7977 pkg.applicationInfo.privateFlags &= 7978 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7979 } 7980 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7981 7982 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7983 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7984 } 7985 7986 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7987 enforceCodePolicy(pkg); 7988 } 7989 7990 if (mCustomResolverComponentName != null && 7991 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7992 setUpCustomResolverActivity(pkg); 7993 } 7994 7995 if (pkg.packageName.equals("android")) { 7996 synchronized (mPackages) { 7997 if (mAndroidApplication != null) { 7998 Slog.w(TAG, "*************************************************"); 7999 Slog.w(TAG, "Core android package being redefined. Skipping."); 8000 Slog.w(TAG, " file=" + scanFile); 8001 Slog.w(TAG, "*************************************************"); 8002 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8003 "Core android package being redefined. Skipping."); 8004 } 8005 8006 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8007 // Set up information for our fall-back user intent resolution activity. 8008 mPlatformPackage = pkg; 8009 pkg.mVersionCode = mSdkVersion; 8010 mAndroidApplication = pkg.applicationInfo; 8011 8012 if (!mResolverReplaced) { 8013 mResolveActivity.applicationInfo = mAndroidApplication; 8014 mResolveActivity.name = ResolverActivity.class.getName(); 8015 mResolveActivity.packageName = mAndroidApplication.packageName; 8016 mResolveActivity.processName = "system:ui"; 8017 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8018 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 8019 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 8020 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 8021 mResolveActivity.exported = true; 8022 mResolveActivity.enabled = true; 8023 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 8024 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 8025 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 8026 | ActivityInfo.CONFIG_SCREEN_LAYOUT 8027 | ActivityInfo.CONFIG_ORIENTATION 8028 | ActivityInfo.CONFIG_KEYBOARD 8029 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 8030 mResolveInfo.activityInfo = mResolveActivity; 8031 mResolveInfo.priority = 0; 8032 mResolveInfo.preferredOrder = 0; 8033 mResolveInfo.match = 0; 8034 mResolveComponentName = new ComponentName( 8035 mAndroidApplication.packageName, mResolveActivity.name); 8036 } 8037 } 8038 } 8039 } 8040 8041 if (DEBUG_PACKAGE_SCANNING) { 8042 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8043 Log.d(TAG, "Scanning package " + pkg.packageName); 8044 } 8045 8046 synchronized (mPackages) { 8047 if (mPackages.containsKey(pkg.packageName) 8048 || mSharedLibraries.containsKey(pkg.packageName)) { 8049 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 8050 "Application package " + pkg.packageName 8051 + " already installed. Skipping duplicate."); 8052 } 8053 8054 // If we're only installing presumed-existing packages, require that the 8055 // scanned APK is both already known and at the path previously established 8056 // for it. Previously unknown packages we pick up normally, but if we have an 8057 // a priori expectation about this package's install presence, enforce it. 8058 // With a singular exception for new system packages. When an OTA contains 8059 // a new system package, we allow the codepath to change from a system location 8060 // to the user-installed location. If we don't allow this change, any newer, 8061 // user-installed version of the application will be ignored. 8062 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 8063 if (mExpectingBetter.containsKey(pkg.packageName)) { 8064 logCriticalInfo(Log.WARN, 8065 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 8066 } else { 8067 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 8068 if (known != null) { 8069 if (DEBUG_PACKAGE_SCANNING) { 8070 Log.d(TAG, "Examining " + pkg.codePath 8071 + " and requiring known paths " + known.codePathString 8072 + " & " + known.resourcePathString); 8073 } 8074 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 8075 || !pkg.applicationInfo.getResourcePath().equals( 8076 known.resourcePathString)) { 8077 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 8078 "Application package " + pkg.packageName 8079 + " found at " + pkg.applicationInfo.getCodePath() 8080 + " but expected at " + known.codePathString 8081 + "; ignoring."); 8082 } 8083 } 8084 } 8085 } 8086 } 8087 8088 // Initialize package source and resource directories 8089 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 8090 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 8091 8092 SharedUserSetting suid = null; 8093 PackageSetting pkgSetting = null; 8094 8095 if (!isSystemApp(pkg)) { 8096 // Only system apps can use these features. 8097 pkg.mOriginalPackages = null; 8098 pkg.mRealPackage = null; 8099 pkg.mAdoptPermissions = null; 8100 } 8101 8102 // Getting the package setting may have a side-effect, so if we 8103 // are only checking if scan would succeed, stash a copy of the 8104 // old setting to restore at the end. 8105 PackageSetting nonMutatedPs = null; 8106 8107 // writer 8108 synchronized (mPackages) { 8109 if (pkg.mSharedUserId != null) { 8110 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 8111 if (suid == null) { 8112 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8113 "Creating application package " + pkg.packageName 8114 + " for shared user failed"); 8115 } 8116 if (DEBUG_PACKAGE_SCANNING) { 8117 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8118 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 8119 + "): packages=" + suid.packages); 8120 } 8121 } 8122 8123 // Check if we are renaming from an original package name. 8124 PackageSetting origPackage = null; 8125 String realName = null; 8126 if (pkg.mOriginalPackages != null) { 8127 // This package may need to be renamed to a previously 8128 // installed name. Let's check on that... 8129 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 8130 if (pkg.mOriginalPackages.contains(renamed)) { 8131 // This package had originally been installed as the 8132 // original name, and we have already taken care of 8133 // transitioning to the new one. Just update the new 8134 // one to continue using the old name. 8135 realName = pkg.mRealPackage; 8136 if (!pkg.packageName.equals(renamed)) { 8137 // Callers into this function may have already taken 8138 // care of renaming the package; only do it here if 8139 // it is not already done. 8140 pkg.setPackageName(renamed); 8141 } 8142 8143 } else { 8144 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 8145 if ((origPackage = mSettings.peekPackageLPr( 8146 pkg.mOriginalPackages.get(i))) != null) { 8147 // We do have the package already installed under its 8148 // original name... should we use it? 8149 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 8150 // New package is not compatible with original. 8151 origPackage = null; 8152 continue; 8153 } else if (origPackage.sharedUser != null) { 8154 // Make sure uid is compatible between packages. 8155 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 8156 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 8157 + " to " + pkg.packageName + ": old uid " 8158 + origPackage.sharedUser.name 8159 + " differs from " + pkg.mSharedUserId); 8160 origPackage = null; 8161 continue; 8162 } 8163 // TODO: Add case when shared user id is added [b/28144775] 8164 } else { 8165 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 8166 + pkg.packageName + " to old name " + origPackage.name); 8167 } 8168 break; 8169 } 8170 } 8171 } 8172 } 8173 8174 if (mTransferedPackages.contains(pkg.packageName)) { 8175 Slog.w(TAG, "Package " + pkg.packageName 8176 + " was transferred to another, but its .apk remains"); 8177 } 8178 8179 // See comments in nonMutatedPs declaration 8180 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8181 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8182 if (foundPs != null) { 8183 nonMutatedPs = new PackageSetting(foundPs); 8184 } 8185 } 8186 8187 // Just create the setting, don't add it yet. For already existing packages 8188 // the PkgSetting exists already and doesn't have to be created. 8189 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8190 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8191 pkg.applicationInfo.primaryCpuAbi, 8192 pkg.applicationInfo.secondaryCpuAbi, 8193 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8194 user, false); 8195 if (pkgSetting == null) { 8196 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8197 "Creating application package " + pkg.packageName + " failed"); 8198 } 8199 8200 if (pkgSetting.origPackage != null) { 8201 // If we are first transitioning from an original package, 8202 // fix up the new package's name now. We need to do this after 8203 // looking up the package under its new name, so getPackageLP 8204 // can take care of fiddling things correctly. 8205 pkg.setPackageName(origPackage.name); 8206 8207 // File a report about this. 8208 String msg = "New package " + pkgSetting.realName 8209 + " renamed to replace old package " + pkgSetting.name; 8210 reportSettingsProblem(Log.WARN, msg); 8211 8212 // Make a note of it. 8213 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8214 mTransferedPackages.add(origPackage.name); 8215 } 8216 8217 // No longer need to retain this. 8218 pkgSetting.origPackage = null; 8219 } 8220 8221 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8222 // Make a note of it. 8223 mTransferedPackages.add(pkg.packageName); 8224 } 8225 8226 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8227 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8228 } 8229 8230 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8231 // Check all shared libraries and map to their actual file path. 8232 // We only do this here for apps not on a system dir, because those 8233 // are the only ones that can fail an install due to this. We 8234 // will take care of the system apps by updating all of their 8235 // library paths after the scan is done. 8236 updateSharedLibrariesLPw(pkg, null); 8237 } 8238 8239 if (mFoundPolicyFile) { 8240 SELinuxMMAC.assignSeinfoValue(pkg); 8241 } 8242 8243 pkg.applicationInfo.uid = pkgSetting.appId; 8244 pkg.mExtras = pkgSetting; 8245 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8246 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8247 // We just determined the app is signed correctly, so bring 8248 // over the latest parsed certs. 8249 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8250 } else { 8251 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8252 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8253 "Package " + pkg.packageName + " upgrade keys do not match the " 8254 + "previously installed version"); 8255 } else { 8256 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8257 String msg = "System package " + pkg.packageName 8258 + " signature changed; retaining data."; 8259 reportSettingsProblem(Log.WARN, msg); 8260 } 8261 } 8262 } else { 8263 try { 8264 verifySignaturesLP(pkgSetting, pkg); 8265 // We just determined the app is signed correctly, so bring 8266 // over the latest parsed certs. 8267 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8268 } catch (PackageManagerException e) { 8269 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8270 throw e; 8271 } 8272 // The signature has changed, but this package is in the system 8273 // image... let's recover! 8274 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8275 // However... if this package is part of a shared user, but it 8276 // doesn't match the signature of the shared user, let's fail. 8277 // What this means is that you can't change the signatures 8278 // associated with an overall shared user, which doesn't seem all 8279 // that unreasonable. 8280 if (pkgSetting.sharedUser != null) { 8281 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8282 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8283 throw new PackageManagerException( 8284 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8285 "Signature mismatch for shared user: " 8286 + pkgSetting.sharedUser); 8287 } 8288 } 8289 // File a report about this. 8290 String msg = "System package " + pkg.packageName 8291 + " signature changed; retaining data."; 8292 reportSettingsProblem(Log.WARN, msg); 8293 } 8294 } 8295 // Verify that this new package doesn't have any content providers 8296 // that conflict with existing packages. Only do this if the 8297 // package isn't already installed, since we don't want to break 8298 // things that are installed. 8299 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8300 final int N = pkg.providers.size(); 8301 int i; 8302 for (i=0; i<N; i++) { 8303 PackageParser.Provider p = pkg.providers.get(i); 8304 if (p.info.authority != null) { 8305 String names[] = p.info.authority.split(";"); 8306 for (int j = 0; j < names.length; j++) { 8307 if (mProvidersByAuthority.containsKey(names[j])) { 8308 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8309 final String otherPackageName = 8310 ((other != null && other.getComponentName() != null) ? 8311 other.getComponentName().getPackageName() : "?"); 8312 throw new PackageManagerException( 8313 INSTALL_FAILED_CONFLICTING_PROVIDER, 8314 "Can't install because provider name " + names[j] 8315 + " (in package " + pkg.applicationInfo.packageName 8316 + ") is already used by " + otherPackageName); 8317 } 8318 } 8319 } 8320 } 8321 } 8322 8323 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8324 // This package wants to adopt ownership of permissions from 8325 // another package. 8326 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8327 final String origName = pkg.mAdoptPermissions.get(i); 8328 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8329 if (orig != null) { 8330 if (verifyPackageUpdateLPr(orig, pkg)) { 8331 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8332 + pkg.packageName); 8333 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8334 } 8335 } 8336 } 8337 } 8338 } 8339 8340 final String pkgName = pkg.packageName; 8341 8342 final long scanFileTime = scanFile.lastModified(); 8343 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8344 pkg.applicationInfo.processName = fixProcessName( 8345 pkg.applicationInfo.packageName, 8346 pkg.applicationInfo.processName, 8347 pkg.applicationInfo.uid); 8348 8349 if (pkg != mPlatformPackage) { 8350 // Get all of our default paths setup 8351 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8352 } 8353 8354 final String path = scanFile.getPath(); 8355 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8356 8357 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8358 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8359 8360 // Some system apps still use directory structure for native libraries 8361 // in which case we might end up not detecting abi solely based on apk 8362 // structure. Try to detect abi based on directory structure. 8363 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8364 pkg.applicationInfo.primaryCpuAbi == null) { 8365 setBundledAppAbisAndRoots(pkg, pkgSetting); 8366 setNativeLibraryPaths(pkg); 8367 } 8368 8369 } else { 8370 if ((scanFlags & SCAN_MOVE) != 0) { 8371 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8372 // but we already have this packages package info in the PackageSetting. We just 8373 // use that and derive the native library path based on the new codepath. 8374 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8375 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8376 } 8377 8378 // Set native library paths again. For moves, the path will be updated based on the 8379 // ABIs we've determined above. For non-moves, the path will be updated based on the 8380 // ABIs we determined during compilation, but the path will depend on the final 8381 // package path (after the rename away from the stage path). 8382 setNativeLibraryPaths(pkg); 8383 } 8384 8385 // This is a special case for the "system" package, where the ABI is 8386 // dictated by the zygote configuration (and init.rc). We should keep track 8387 // of this ABI so that we can deal with "normal" applications that run under 8388 // the same UID correctly. 8389 if (mPlatformPackage == pkg) { 8390 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8391 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8392 } 8393 8394 // If there's a mismatch between the abi-override in the package setting 8395 // and the abiOverride specified for the install. Warn about this because we 8396 // would've already compiled the app without taking the package setting into 8397 // account. 8398 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8399 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8400 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8401 " for package " + pkg.packageName); 8402 } 8403 } 8404 8405 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8406 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8407 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8408 8409 // Copy the derived override back to the parsed package, so that we can 8410 // update the package settings accordingly. 8411 pkg.cpuAbiOverride = cpuAbiOverride; 8412 8413 if (DEBUG_ABI_SELECTION) { 8414 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8415 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8416 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8417 } 8418 8419 // Push the derived path down into PackageSettings so we know what to 8420 // clean up at uninstall time. 8421 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8422 8423 if (DEBUG_ABI_SELECTION) { 8424 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8425 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8426 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8427 } 8428 8429 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8430 // We don't do this here during boot because we can do it all 8431 // at once after scanning all existing packages. 8432 // 8433 // We also do this *before* we perform dexopt on this package, so that 8434 // we can avoid redundant dexopts, and also to make sure we've got the 8435 // code and package path correct. 8436 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8437 pkg, true /* boot complete */); 8438 } 8439 8440 if (mFactoryTest && pkg.requestedPermissions.contains( 8441 android.Manifest.permission.FACTORY_TEST)) { 8442 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8443 } 8444 8445 ArrayList<PackageParser.Package> clientLibPkgs = null; 8446 8447 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8448 if (nonMutatedPs != null) { 8449 synchronized (mPackages) { 8450 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8451 } 8452 } 8453 return pkg; 8454 } 8455 8456 // Only privileged apps and updated privileged apps can add child packages. 8457 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8458 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8459 throw new PackageManagerException("Only privileged apps and updated " 8460 + "privileged apps can add child packages. Ignoring package " 8461 + pkg.packageName); 8462 } 8463 final int childCount = pkg.childPackages.size(); 8464 for (int i = 0; i < childCount; i++) { 8465 PackageParser.Package childPkg = pkg.childPackages.get(i); 8466 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8467 childPkg.packageName)) { 8468 throw new PackageManagerException("Cannot override a child package of " 8469 + "another disabled system app. Ignoring package " + pkg.packageName); 8470 } 8471 } 8472 } 8473 8474 // writer 8475 synchronized (mPackages) { 8476 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8477 // Only system apps can add new shared libraries. 8478 if (pkg.libraryNames != null) { 8479 for (int i=0; i<pkg.libraryNames.size(); i++) { 8480 String name = pkg.libraryNames.get(i); 8481 boolean allowed = false; 8482 if (pkg.isUpdatedSystemApp()) { 8483 // New library entries can only be added through the 8484 // system image. This is important to get rid of a lot 8485 // of nasty edge cases: for example if we allowed a non- 8486 // system update of the app to add a library, then uninstalling 8487 // the update would make the library go away, and assumptions 8488 // we made such as through app install filtering would now 8489 // have allowed apps on the device which aren't compatible 8490 // with it. Better to just have the restriction here, be 8491 // conservative, and create many fewer cases that can negatively 8492 // impact the user experience. 8493 final PackageSetting sysPs = mSettings 8494 .getDisabledSystemPkgLPr(pkg.packageName); 8495 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8496 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8497 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8498 allowed = true; 8499 break; 8500 } 8501 } 8502 } 8503 } else { 8504 allowed = true; 8505 } 8506 if (allowed) { 8507 if (!mSharedLibraries.containsKey(name)) { 8508 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8509 } else if (!name.equals(pkg.packageName)) { 8510 Slog.w(TAG, "Package " + pkg.packageName + " library " 8511 + name + " already exists; skipping"); 8512 } 8513 } else { 8514 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8515 + name + " that is not declared on system image; skipping"); 8516 } 8517 } 8518 if ((scanFlags & SCAN_BOOTING) == 0) { 8519 // If we are not booting, we need to update any applications 8520 // that are clients of our shared library. If we are booting, 8521 // this will all be done once the scan is complete. 8522 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8523 } 8524 } 8525 } 8526 } 8527 8528 if ((scanFlags & SCAN_BOOTING) != 0) { 8529 // No apps can run during boot scan, so they don't need to be frozen 8530 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8531 // Caller asked to not kill app, so it's probably not frozen 8532 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8533 // Caller asked us to ignore frozen check for some reason; they 8534 // probably didn't know the package name 8535 } else { 8536 // We're doing major surgery on this package, so it better be frozen 8537 // right now to keep it from launching 8538 checkPackageFrozen(pkgName); 8539 } 8540 8541 // Also need to kill any apps that are dependent on the library. 8542 if (clientLibPkgs != null) { 8543 for (int i=0; i<clientLibPkgs.size(); i++) { 8544 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8545 killApplication(clientPkg.applicationInfo.packageName, 8546 clientPkg.applicationInfo.uid, "update lib"); 8547 } 8548 } 8549 8550 // Make sure we're not adding any bogus keyset info 8551 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8552 ksms.assertScannedPackageValid(pkg); 8553 8554 // writer 8555 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8556 8557 boolean createIdmapFailed = false; 8558 synchronized (mPackages) { 8559 // We don't expect installation to fail beyond this point 8560 8561 // Add the new setting to mSettings 8562 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8563 // Add the new setting to mPackages 8564 mPackages.put(pkg.applicationInfo.packageName, pkg); 8565 // Make sure we don't accidentally delete its data. 8566 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8567 while (iter.hasNext()) { 8568 PackageCleanItem item = iter.next(); 8569 if (pkgName.equals(item.packageName)) { 8570 iter.remove(); 8571 } 8572 } 8573 8574 // Take care of first install / last update times. 8575 if (currentTime != 0) { 8576 if (pkgSetting.firstInstallTime == 0) { 8577 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8578 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8579 pkgSetting.lastUpdateTime = currentTime; 8580 } 8581 } else if (pkgSetting.firstInstallTime == 0) { 8582 // We need *something*. Take time time stamp of the file. 8583 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8584 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8585 if (scanFileTime != pkgSetting.timeStamp) { 8586 // A package on the system image has changed; consider this 8587 // to be an update. 8588 pkgSetting.lastUpdateTime = scanFileTime; 8589 } 8590 } 8591 8592 // Add the package's KeySets to the global KeySetManagerService 8593 ksms.addScannedPackageLPw(pkg); 8594 8595 int N = pkg.providers.size(); 8596 StringBuilder r = null; 8597 int i; 8598 for (i=0; i<N; i++) { 8599 PackageParser.Provider p = pkg.providers.get(i); 8600 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8601 p.info.processName, pkg.applicationInfo.uid); 8602 mProviders.addProvider(p); 8603 p.syncable = p.info.isSyncable; 8604 if (p.info.authority != null) { 8605 String names[] = p.info.authority.split(";"); 8606 p.info.authority = null; 8607 for (int j = 0; j < names.length; j++) { 8608 if (j == 1 && p.syncable) { 8609 // We only want the first authority for a provider to possibly be 8610 // syncable, so if we already added this provider using a different 8611 // authority clear the syncable flag. We copy the provider before 8612 // changing it because the mProviders object contains a reference 8613 // to a provider that we don't want to change. 8614 // Only do this for the second authority since the resulting provider 8615 // object can be the same for all future authorities for this provider. 8616 p = new PackageParser.Provider(p); 8617 p.syncable = false; 8618 } 8619 if (!mProvidersByAuthority.containsKey(names[j])) { 8620 mProvidersByAuthority.put(names[j], p); 8621 if (p.info.authority == null) { 8622 p.info.authority = names[j]; 8623 } else { 8624 p.info.authority = p.info.authority + ";" + names[j]; 8625 } 8626 if (DEBUG_PACKAGE_SCANNING) { 8627 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8628 Log.d(TAG, "Registered content provider: " + names[j] 8629 + ", className = " + p.info.name + ", isSyncable = " 8630 + p.info.isSyncable); 8631 } 8632 } else { 8633 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8634 Slog.w(TAG, "Skipping provider name " + names[j] + 8635 " (in package " + pkg.applicationInfo.packageName + 8636 "): name already used by " 8637 + ((other != null && other.getComponentName() != null) 8638 ? other.getComponentName().getPackageName() : "?")); 8639 } 8640 } 8641 } 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(p.info.name); 8649 } 8650 } 8651 if (r != null) { 8652 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8653 } 8654 8655 N = pkg.services.size(); 8656 r = null; 8657 for (i=0; i<N; i++) { 8658 PackageParser.Service s = pkg.services.get(i); 8659 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8660 s.info.processName, pkg.applicationInfo.uid); 8661 mServices.addService(s); 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(s.info.name); 8669 } 8670 } 8671 if (r != null) { 8672 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8673 } 8674 8675 N = pkg.receivers.size(); 8676 r = null; 8677 for (i=0; i<N; i++) { 8678 PackageParser.Activity a = pkg.receivers.get(i); 8679 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8680 a.info.processName, pkg.applicationInfo.uid); 8681 mReceivers.addActivity(a, "receiver"); 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(a.info.name); 8689 } 8690 } 8691 if (r != null) { 8692 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8693 } 8694 8695 N = pkg.activities.size(); 8696 r = null; 8697 for (i=0; i<N; i++) { 8698 PackageParser.Activity a = pkg.activities.get(i); 8699 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8700 a.info.processName, pkg.applicationInfo.uid); 8701 mActivities.addActivity(a, "activity"); 8702 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8703 if (r == null) { 8704 r = new StringBuilder(256); 8705 } else { 8706 r.append(' '); 8707 } 8708 r.append(a.info.name); 8709 } 8710 } 8711 if (r != null) { 8712 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8713 } 8714 8715 N = pkg.permissionGroups.size(); 8716 r = null; 8717 for (i=0; i<N; i++) { 8718 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8719 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8720 if (cur == null) { 8721 mPermissionGroups.put(pg.info.name, pg); 8722 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8723 if (r == null) { 8724 r = new StringBuilder(256); 8725 } else { 8726 r.append(' '); 8727 } 8728 r.append(pg.info.name); 8729 } 8730 } else { 8731 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8732 + pg.info.packageName + " ignored: original from " 8733 + cur.info.packageName); 8734 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8735 if (r == null) { 8736 r = new StringBuilder(256); 8737 } else { 8738 r.append(' '); 8739 } 8740 r.append("DUP:"); 8741 r.append(pg.info.name); 8742 } 8743 } 8744 } 8745 if (r != null) { 8746 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8747 } 8748 8749 N = pkg.permissions.size(); 8750 r = null; 8751 for (i=0; i<N; i++) { 8752 PackageParser.Permission p = pkg.permissions.get(i); 8753 8754 // Assume by default that we did not install this permission into the system. 8755 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8756 8757 // Now that permission groups have a special meaning, we ignore permission 8758 // groups for legacy apps to prevent unexpected behavior. In particular, 8759 // permissions for one app being granted to someone just becase they happen 8760 // to be in a group defined by another app (before this had no implications). 8761 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8762 p.group = mPermissionGroups.get(p.info.group); 8763 // Warn for a permission in an unknown group. 8764 if (p.info.group != null && p.group == null) { 8765 Slog.w(TAG, "Permission " + p.info.name + " from package " 8766 + p.info.packageName + " in an unknown group " + p.info.group); 8767 } 8768 } 8769 8770 ArrayMap<String, BasePermission> permissionMap = 8771 p.tree ? mSettings.mPermissionTrees 8772 : mSettings.mPermissions; 8773 BasePermission bp = permissionMap.get(p.info.name); 8774 8775 // Allow system apps to redefine non-system permissions 8776 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8777 final boolean currentOwnerIsSystem = (bp.perm != null 8778 && isSystemApp(bp.perm.owner)); 8779 if (isSystemApp(p.owner)) { 8780 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8781 // It's a built-in permission and no owner, take ownership now 8782 bp.packageSetting = pkgSetting; 8783 bp.perm = p; 8784 bp.uid = pkg.applicationInfo.uid; 8785 bp.sourcePackage = p.info.packageName; 8786 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8787 } else if (!currentOwnerIsSystem) { 8788 String msg = "New decl " + p.owner + " of permission " 8789 + p.info.name + " is system; overriding " + bp.sourcePackage; 8790 reportSettingsProblem(Log.WARN, msg); 8791 bp = null; 8792 } 8793 } 8794 } 8795 8796 if (bp == null) { 8797 bp = new BasePermission(p.info.name, p.info.packageName, 8798 BasePermission.TYPE_NORMAL); 8799 permissionMap.put(p.info.name, bp); 8800 } 8801 8802 if (bp.perm == null) { 8803 if (bp.sourcePackage == null 8804 || bp.sourcePackage.equals(p.info.packageName)) { 8805 BasePermission tree = findPermissionTreeLP(p.info.name); 8806 if (tree == null 8807 || tree.sourcePackage.equals(p.info.packageName)) { 8808 bp.packageSetting = pkgSetting; 8809 bp.perm = p; 8810 bp.uid = pkg.applicationInfo.uid; 8811 bp.sourcePackage = p.info.packageName; 8812 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8813 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8814 if (r == null) { 8815 r = new StringBuilder(256); 8816 } else { 8817 r.append(' '); 8818 } 8819 r.append(p.info.name); 8820 } 8821 } else { 8822 Slog.w(TAG, "Permission " + p.info.name + " from package " 8823 + p.info.packageName + " ignored: base tree " 8824 + tree.name + " is from package " 8825 + tree.sourcePackage); 8826 } 8827 } else { 8828 Slog.w(TAG, "Permission " + p.info.name + " from package " 8829 + p.info.packageName + " ignored: original from " 8830 + bp.sourcePackage); 8831 } 8832 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8833 if (r == null) { 8834 r = new StringBuilder(256); 8835 } else { 8836 r.append(' '); 8837 } 8838 r.append("DUP:"); 8839 r.append(p.info.name); 8840 } 8841 if (bp.perm == p) { 8842 bp.protectionLevel = p.info.protectionLevel; 8843 } 8844 } 8845 8846 if (r != null) { 8847 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8848 } 8849 8850 N = pkg.instrumentation.size(); 8851 r = null; 8852 for (i=0; i<N; i++) { 8853 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8854 a.info.packageName = pkg.applicationInfo.packageName; 8855 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8856 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8857 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8858 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8859 a.info.dataDir = pkg.applicationInfo.dataDir; 8860 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8861 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8862 8863 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8864 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 8865 mInstrumentation.put(a.getComponentName(), a); 8866 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8867 if (r == null) { 8868 r = new StringBuilder(256); 8869 } else { 8870 r.append(' '); 8871 } 8872 r.append(a.info.name); 8873 } 8874 } 8875 if (r != null) { 8876 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8877 } 8878 8879 if (pkg.protectedBroadcasts != null) { 8880 N = pkg.protectedBroadcasts.size(); 8881 for (i=0; i<N; i++) { 8882 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8883 } 8884 } 8885 8886 pkgSetting.setTimeStamp(scanFileTime); 8887 8888 // Create idmap files for pairs of (packages, overlay packages). 8889 // Note: "android", ie framework-res.apk, is handled by native layers. 8890 if (pkg.mOverlayTarget != null) { 8891 // This is an overlay package. 8892 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8893 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8894 mOverlays.put(pkg.mOverlayTarget, 8895 new ArrayMap<String, PackageParser.Package>()); 8896 } 8897 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8898 map.put(pkg.packageName, pkg); 8899 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8900 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8901 createIdmapFailed = true; 8902 } 8903 } 8904 } else if (mOverlays.containsKey(pkg.packageName) && 8905 !pkg.packageName.equals("android")) { 8906 // This is a regular package, with one or more known overlay packages. 8907 createIdmapsForPackageLI(pkg); 8908 } 8909 } 8910 8911 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8912 8913 if (createIdmapFailed) { 8914 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8915 "scanPackageLI failed to createIdmap"); 8916 } 8917 return pkg; 8918 } 8919 8920 /** 8921 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8922 * is derived purely on the basis of the contents of {@code scanFile} and 8923 * {@code cpuAbiOverride}. 8924 * 8925 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8926 */ 8927 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8928 String cpuAbiOverride, boolean extractLibs) 8929 throws PackageManagerException { 8930 // TODO: We can probably be smarter about this stuff. For installed apps, 8931 // we can calculate this information at install time once and for all. For 8932 // system apps, we can probably assume that this information doesn't change 8933 // after the first boot scan. As things stand, we do lots of unnecessary work. 8934 8935 // Give ourselves some initial paths; we'll come back for another 8936 // pass once we've determined ABI below. 8937 setNativeLibraryPaths(pkg); 8938 8939 // We would never need to extract libs for forward-locked and external packages, 8940 // since the container service will do it for us. We shouldn't attempt to 8941 // extract libs from system app when it was not updated. 8942 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8943 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8944 extractLibs = false; 8945 } 8946 8947 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8948 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8949 8950 NativeLibraryHelper.Handle handle = null; 8951 try { 8952 handle = NativeLibraryHelper.Handle.create(pkg); 8953 // TODO(multiArch): This can be null for apps that didn't go through the 8954 // usual installation process. We can calculate it again, like we 8955 // do during install time. 8956 // 8957 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8958 // unnecessary. 8959 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8960 8961 // Null out the abis so that they can be recalculated. 8962 pkg.applicationInfo.primaryCpuAbi = null; 8963 pkg.applicationInfo.secondaryCpuAbi = null; 8964 if (isMultiArch(pkg.applicationInfo)) { 8965 // Warn if we've set an abiOverride for multi-lib packages.. 8966 // By definition, we need to copy both 32 and 64 bit libraries for 8967 // such packages. 8968 if (pkg.cpuAbiOverride != null 8969 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8970 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8971 } 8972 8973 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8974 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8975 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8976 if (extractLibs) { 8977 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8978 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8979 useIsaSpecificSubdirs); 8980 } else { 8981 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8982 } 8983 } 8984 8985 maybeThrowExceptionForMultiArchCopy( 8986 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8987 8988 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8989 if (extractLibs) { 8990 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8991 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8992 useIsaSpecificSubdirs); 8993 } else { 8994 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8995 } 8996 } 8997 8998 maybeThrowExceptionForMultiArchCopy( 8999 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 9000 9001 if (abi64 >= 0) { 9002 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 9003 } 9004 9005 if (abi32 >= 0) { 9006 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 9007 if (abi64 >= 0) { 9008 if (pkg.use32bitAbi) { 9009 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 9010 pkg.applicationInfo.primaryCpuAbi = abi; 9011 } else { 9012 pkg.applicationInfo.secondaryCpuAbi = abi; 9013 } 9014 } else { 9015 pkg.applicationInfo.primaryCpuAbi = abi; 9016 } 9017 } 9018 9019 } else { 9020 String[] abiList = (cpuAbiOverride != null) ? 9021 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 9022 9023 // Enable gross and lame hacks for apps that are built with old 9024 // SDK tools. We must scan their APKs for renderscript bitcode and 9025 // not launch them if it's present. Don't bother checking on devices 9026 // that don't have 64 bit support. 9027 boolean needsRenderScriptOverride = false; 9028 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 9029 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9030 abiList = Build.SUPPORTED_32_BIT_ABIS; 9031 needsRenderScriptOverride = true; 9032 } 9033 9034 final int copyRet; 9035 if (extractLibs) { 9036 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 9037 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 9038 } else { 9039 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9040 } 9041 9042 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9043 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 9044 "Error unpackaging native libs for app, errorCode=" + copyRet); 9045 } 9046 9047 if (copyRet >= 0) { 9048 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 9049 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 9050 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 9051 } else if (needsRenderScriptOverride) { 9052 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 9053 } 9054 } 9055 } catch (IOException ioe) { 9056 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 9057 } finally { 9058 IoUtils.closeQuietly(handle); 9059 } 9060 9061 // Now that we've calculated the ABIs and determined if it's an internal app, 9062 // we will go ahead and populate the nativeLibraryPath. 9063 setNativeLibraryPaths(pkg); 9064 } 9065 9066 /** 9067 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 9068 * i.e, so that all packages can be run inside a single process if required. 9069 * 9070 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 9071 * this function will either try and make the ABI for all packages in {@code packagesForUser} 9072 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 9073 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 9074 * updating a package that belongs to a shared user. 9075 * 9076 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 9077 * adds unnecessary complexity. 9078 */ 9079 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 9080 PackageParser.Package scannedPackage, boolean bootComplete) { 9081 String requiredInstructionSet = null; 9082 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 9083 requiredInstructionSet = VMRuntime.getInstructionSet( 9084 scannedPackage.applicationInfo.primaryCpuAbi); 9085 } 9086 9087 PackageSetting requirer = null; 9088 for (PackageSetting ps : packagesForUser) { 9089 // If packagesForUser contains scannedPackage, we skip it. This will happen 9090 // when scannedPackage is an update of an existing package. Without this check, 9091 // we will never be able to change the ABI of any package belonging to a shared 9092 // user, even if it's compatible with other packages. 9093 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9094 if (ps.primaryCpuAbiString == null) { 9095 continue; 9096 } 9097 9098 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 9099 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 9100 // We have a mismatch between instruction sets (say arm vs arm64) warn about 9101 // this but there's not much we can do. 9102 String errorMessage = "Instruction set mismatch, " 9103 + ((requirer == null) ? "[caller]" : requirer) 9104 + " requires " + requiredInstructionSet + " whereas " + ps 9105 + " requires " + instructionSet; 9106 Slog.w(TAG, errorMessage); 9107 } 9108 9109 if (requiredInstructionSet == null) { 9110 requiredInstructionSet = instructionSet; 9111 requirer = ps; 9112 } 9113 } 9114 } 9115 9116 if (requiredInstructionSet != null) { 9117 String adjustedAbi; 9118 if (requirer != null) { 9119 // requirer != null implies that either scannedPackage was null or that scannedPackage 9120 // did not require an ABI, in which case we have to adjust scannedPackage to match 9121 // the ABI of the set (which is the same as requirer's ABI) 9122 adjustedAbi = requirer.primaryCpuAbiString; 9123 if (scannedPackage != null) { 9124 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 9125 } 9126 } else { 9127 // requirer == null implies that we're updating all ABIs in the set to 9128 // match scannedPackage. 9129 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 9130 } 9131 9132 for (PackageSetting ps : packagesForUser) { 9133 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 9134 if (ps.primaryCpuAbiString != null) { 9135 continue; 9136 } 9137 9138 ps.primaryCpuAbiString = adjustedAbi; 9139 if (ps.pkg != null && ps.pkg.applicationInfo != null && 9140 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 9141 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 9142 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 9143 + " (requirer=" 9144 + (requirer == null ? "null" : requirer.pkg.packageName) 9145 + ", scannedPackage=" 9146 + (scannedPackage != null ? scannedPackage.packageName : "null") 9147 + ")"); 9148 try { 9149 mInstaller.rmdex(ps.codePathString, 9150 getDexCodeInstructionSet(getPreferredInstructionSet())); 9151 } catch (InstallerException ignored) { 9152 } 9153 } 9154 } 9155 } 9156 } 9157 } 9158 9159 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 9160 synchronized (mPackages) { 9161 mResolverReplaced = true; 9162 // Set up information for custom user intent resolution activity. 9163 mResolveActivity.applicationInfo = pkg.applicationInfo; 9164 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 9165 mResolveActivity.packageName = pkg.applicationInfo.packageName; 9166 mResolveActivity.processName = pkg.applicationInfo.packageName; 9167 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9168 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9169 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9170 mResolveActivity.theme = 0; 9171 mResolveActivity.exported = true; 9172 mResolveActivity.enabled = true; 9173 mResolveInfo.activityInfo = mResolveActivity; 9174 mResolveInfo.priority = 0; 9175 mResolveInfo.preferredOrder = 0; 9176 mResolveInfo.match = 0; 9177 mResolveComponentName = mCustomResolverComponentName; 9178 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 9179 mResolveComponentName); 9180 } 9181 } 9182 9183 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9184 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9185 9186 // Set up information for ephemeral installer activity 9187 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9188 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9189 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9190 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9191 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9192 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9193 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9194 mEphemeralInstallerActivity.theme = 0; 9195 mEphemeralInstallerActivity.exported = true; 9196 mEphemeralInstallerActivity.enabled = true; 9197 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9198 mEphemeralInstallerInfo.priority = 0; 9199 mEphemeralInstallerInfo.preferredOrder = 0; 9200 mEphemeralInstallerInfo.match = 0; 9201 9202 if (DEBUG_EPHEMERAL) { 9203 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9204 } 9205 } 9206 9207 private static String calculateBundledApkRoot(final String codePathString) { 9208 final File codePath = new File(codePathString); 9209 final File codeRoot; 9210 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9211 codeRoot = Environment.getRootDirectory(); 9212 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9213 codeRoot = Environment.getOemDirectory(); 9214 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9215 codeRoot = Environment.getVendorDirectory(); 9216 } else { 9217 // Unrecognized code path; take its top real segment as the apk root: 9218 // e.g. /something/app/blah.apk => /something 9219 try { 9220 File f = codePath.getCanonicalFile(); 9221 File parent = f.getParentFile(); // non-null because codePath is a file 9222 File tmp; 9223 while ((tmp = parent.getParentFile()) != null) { 9224 f = parent; 9225 parent = tmp; 9226 } 9227 codeRoot = f; 9228 Slog.w(TAG, "Unrecognized code path " 9229 + codePath + " - using " + codeRoot); 9230 } catch (IOException e) { 9231 // Can't canonicalize the code path -- shenanigans? 9232 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9233 return Environment.getRootDirectory().getPath(); 9234 } 9235 } 9236 return codeRoot.getPath(); 9237 } 9238 9239 /** 9240 * Derive and set the location of native libraries for the given package, 9241 * which varies depending on where and how the package was installed. 9242 */ 9243 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9244 final ApplicationInfo info = pkg.applicationInfo; 9245 final String codePath = pkg.codePath; 9246 final File codeFile = new File(codePath); 9247 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9248 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9249 9250 info.nativeLibraryRootDir = null; 9251 info.nativeLibraryRootRequiresIsa = false; 9252 info.nativeLibraryDir = null; 9253 info.secondaryNativeLibraryDir = null; 9254 9255 if (isApkFile(codeFile)) { 9256 // Monolithic install 9257 if (bundledApp) { 9258 // If "/system/lib64/apkname" exists, assume that is the per-package 9259 // native library directory to use; otherwise use "/system/lib/apkname". 9260 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9261 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9262 getPrimaryInstructionSet(info)); 9263 9264 // This is a bundled system app so choose the path based on the ABI. 9265 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9266 // is just the default path. 9267 final String apkName = deriveCodePathName(codePath); 9268 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9269 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9270 apkName).getAbsolutePath(); 9271 9272 if (info.secondaryCpuAbi != null) { 9273 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9274 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9275 secondaryLibDir, apkName).getAbsolutePath(); 9276 } 9277 } else if (asecApp) { 9278 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9279 .getAbsolutePath(); 9280 } else { 9281 final String apkName = deriveCodePathName(codePath); 9282 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9283 .getAbsolutePath(); 9284 } 9285 9286 info.nativeLibraryRootRequiresIsa = false; 9287 info.nativeLibraryDir = info.nativeLibraryRootDir; 9288 } else { 9289 // Cluster install 9290 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9291 info.nativeLibraryRootRequiresIsa = true; 9292 9293 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9294 getPrimaryInstructionSet(info)).getAbsolutePath(); 9295 9296 if (info.secondaryCpuAbi != null) { 9297 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9298 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9299 } 9300 } 9301 } 9302 9303 /** 9304 * Calculate the abis and roots for a bundled app. These can uniquely 9305 * be determined from the contents of the system partition, i.e whether 9306 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9307 * of this information, and instead assume that the system was built 9308 * sensibly. 9309 */ 9310 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9311 PackageSetting pkgSetting) { 9312 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9313 9314 // If "/system/lib64/apkname" exists, assume that is the per-package 9315 // native library directory to use; otherwise use "/system/lib/apkname". 9316 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9317 setBundledAppAbi(pkg, apkRoot, apkName); 9318 // pkgSetting might be null during rescan following uninstall of updates 9319 // to a bundled app, so accommodate that possibility. The settings in 9320 // that case will be established later from the parsed package. 9321 // 9322 // If the settings aren't null, sync them up with what we've just derived. 9323 // note that apkRoot isn't stored in the package settings. 9324 if (pkgSetting != null) { 9325 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9326 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9327 } 9328 } 9329 9330 /** 9331 * Deduces the ABI of a bundled app and sets the relevant fields on the 9332 * parsed pkg object. 9333 * 9334 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9335 * under which system libraries are installed. 9336 * @param apkName the name of the installed package. 9337 */ 9338 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9339 final File codeFile = new File(pkg.codePath); 9340 9341 final boolean has64BitLibs; 9342 final boolean has32BitLibs; 9343 if (isApkFile(codeFile)) { 9344 // Monolithic install 9345 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9346 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9347 } else { 9348 // Cluster install 9349 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9350 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9351 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9352 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9353 has64BitLibs = (new File(rootDir, isa)).exists(); 9354 } else { 9355 has64BitLibs = false; 9356 } 9357 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9358 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9359 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9360 has32BitLibs = (new File(rootDir, isa)).exists(); 9361 } else { 9362 has32BitLibs = false; 9363 } 9364 } 9365 9366 if (has64BitLibs && !has32BitLibs) { 9367 // The package has 64 bit libs, but not 32 bit libs. Its primary 9368 // ABI should be 64 bit. We can safely assume here that the bundled 9369 // native libraries correspond to the most preferred ABI in the list. 9370 9371 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9372 pkg.applicationInfo.secondaryCpuAbi = null; 9373 } else if (has32BitLibs && !has64BitLibs) { 9374 // The package has 32 bit libs but not 64 bit libs. Its primary 9375 // ABI should be 32 bit. 9376 9377 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9378 pkg.applicationInfo.secondaryCpuAbi = null; 9379 } else if (has32BitLibs && has64BitLibs) { 9380 // The application has both 64 and 32 bit bundled libraries. We check 9381 // here that the app declares multiArch support, and warn if it doesn't. 9382 // 9383 // We will be lenient here and record both ABIs. The primary will be the 9384 // ABI that's higher on the list, i.e, a device that's configured to prefer 9385 // 64 bit apps will see a 64 bit primary ABI, 9386 9387 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9388 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9389 } 9390 9391 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9392 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9393 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9394 } else { 9395 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9396 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9397 } 9398 } else { 9399 pkg.applicationInfo.primaryCpuAbi = null; 9400 pkg.applicationInfo.secondaryCpuAbi = null; 9401 } 9402 } 9403 9404 private void killApplication(String pkgName, int appId, String reason) { 9405 // Request the ActivityManager to kill the process(only for existing packages) 9406 // so that we do not end up in a confused state while the user is still using the older 9407 // version of the application while the new one gets installed. 9408 final long token = Binder.clearCallingIdentity(); 9409 try { 9410 IActivityManager am = ActivityManagerNative.getDefault(); 9411 if (am != null) { 9412 try { 9413 am.killApplicationWithAppId(pkgName, appId, reason); 9414 } catch (RemoteException e) { 9415 } 9416 } 9417 } finally { 9418 Binder.restoreCallingIdentity(token); 9419 } 9420 } 9421 9422 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9423 // Remove the parent package setting 9424 PackageSetting ps = (PackageSetting) pkg.mExtras; 9425 if (ps != null) { 9426 removePackageLI(ps, chatty); 9427 } 9428 // Remove the child package setting 9429 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9430 for (int i = 0; i < childCount; i++) { 9431 PackageParser.Package childPkg = pkg.childPackages.get(i); 9432 ps = (PackageSetting) childPkg.mExtras; 9433 if (ps != null) { 9434 removePackageLI(ps, chatty); 9435 } 9436 } 9437 } 9438 9439 void removePackageLI(PackageSetting ps, boolean chatty) { 9440 if (DEBUG_INSTALL) { 9441 if (chatty) 9442 Log.d(TAG, "Removing package " + ps.name); 9443 } 9444 9445 // writer 9446 synchronized (mPackages) { 9447 mPackages.remove(ps.name); 9448 final PackageParser.Package pkg = ps.pkg; 9449 if (pkg != null) { 9450 cleanPackageDataStructuresLILPw(pkg, chatty); 9451 } 9452 } 9453 } 9454 9455 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9456 if (DEBUG_INSTALL) { 9457 if (chatty) 9458 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9459 } 9460 9461 // writer 9462 synchronized (mPackages) { 9463 // Remove the parent package 9464 mPackages.remove(pkg.applicationInfo.packageName); 9465 cleanPackageDataStructuresLILPw(pkg, chatty); 9466 9467 // Remove the child packages 9468 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9469 for (int i = 0; i < childCount; i++) { 9470 PackageParser.Package childPkg = pkg.childPackages.get(i); 9471 mPackages.remove(childPkg.applicationInfo.packageName); 9472 cleanPackageDataStructuresLILPw(childPkg, chatty); 9473 } 9474 } 9475 } 9476 9477 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9478 int N = pkg.providers.size(); 9479 StringBuilder r = null; 9480 int i; 9481 for (i=0; i<N; i++) { 9482 PackageParser.Provider p = pkg.providers.get(i); 9483 mProviders.removeProvider(p); 9484 if (p.info.authority == null) { 9485 9486 /* There was another ContentProvider with this authority when 9487 * this app was installed so this authority is null, 9488 * Ignore it as we don't have to unregister the provider. 9489 */ 9490 continue; 9491 } 9492 String names[] = p.info.authority.split(";"); 9493 for (int j = 0; j < names.length; j++) { 9494 if (mProvidersByAuthority.get(names[j]) == p) { 9495 mProvidersByAuthority.remove(names[j]); 9496 if (DEBUG_REMOVE) { 9497 if (chatty) 9498 Log.d(TAG, "Unregistered content provider: " + names[j] 9499 + ", className = " + p.info.name + ", isSyncable = " 9500 + p.info.isSyncable); 9501 } 9502 } 9503 } 9504 if (DEBUG_REMOVE && chatty) { 9505 if (r == null) { 9506 r = new StringBuilder(256); 9507 } else { 9508 r.append(' '); 9509 } 9510 r.append(p.info.name); 9511 } 9512 } 9513 if (r != null) { 9514 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9515 } 9516 9517 N = pkg.services.size(); 9518 r = null; 9519 for (i=0; i<N; i++) { 9520 PackageParser.Service s = pkg.services.get(i); 9521 mServices.removeService(s); 9522 if (chatty) { 9523 if (r == null) { 9524 r = new StringBuilder(256); 9525 } else { 9526 r.append(' '); 9527 } 9528 r.append(s.info.name); 9529 } 9530 } 9531 if (r != null) { 9532 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9533 } 9534 9535 N = pkg.receivers.size(); 9536 r = null; 9537 for (i=0; i<N; i++) { 9538 PackageParser.Activity a = pkg.receivers.get(i); 9539 mReceivers.removeActivity(a, "receiver"); 9540 if (DEBUG_REMOVE && chatty) { 9541 if (r == null) { 9542 r = new StringBuilder(256); 9543 } else { 9544 r.append(' '); 9545 } 9546 r.append(a.info.name); 9547 } 9548 } 9549 if (r != null) { 9550 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9551 } 9552 9553 N = pkg.activities.size(); 9554 r = null; 9555 for (i=0; i<N; i++) { 9556 PackageParser.Activity a = pkg.activities.get(i); 9557 mActivities.removeActivity(a, "activity"); 9558 if (DEBUG_REMOVE && chatty) { 9559 if (r == null) { 9560 r = new StringBuilder(256); 9561 } else { 9562 r.append(' '); 9563 } 9564 r.append(a.info.name); 9565 } 9566 } 9567 if (r != null) { 9568 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9569 } 9570 9571 N = pkg.permissions.size(); 9572 r = null; 9573 for (i=0; i<N; i++) { 9574 PackageParser.Permission p = pkg.permissions.get(i); 9575 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9576 if (bp == null) { 9577 bp = mSettings.mPermissionTrees.get(p.info.name); 9578 } 9579 if (bp != null && bp.perm == p) { 9580 bp.perm = null; 9581 if (DEBUG_REMOVE && chatty) { 9582 if (r == null) { 9583 r = new StringBuilder(256); 9584 } else { 9585 r.append(' '); 9586 } 9587 r.append(p.info.name); 9588 } 9589 } 9590 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9591 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9592 if (appOpPkgs != null) { 9593 appOpPkgs.remove(pkg.packageName); 9594 } 9595 } 9596 } 9597 if (r != null) { 9598 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9599 } 9600 9601 N = pkg.requestedPermissions.size(); 9602 r = null; 9603 for (i=0; i<N; i++) { 9604 String perm = pkg.requestedPermissions.get(i); 9605 BasePermission bp = mSettings.mPermissions.get(perm); 9606 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9607 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9608 if (appOpPkgs != null) { 9609 appOpPkgs.remove(pkg.packageName); 9610 if (appOpPkgs.isEmpty()) { 9611 mAppOpPermissionPackages.remove(perm); 9612 } 9613 } 9614 } 9615 } 9616 if (r != null) { 9617 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9618 } 9619 9620 N = pkg.instrumentation.size(); 9621 r = null; 9622 for (i=0; i<N; i++) { 9623 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9624 mInstrumentation.remove(a.getComponentName()); 9625 if (DEBUG_REMOVE && chatty) { 9626 if (r == null) { 9627 r = new StringBuilder(256); 9628 } else { 9629 r.append(' '); 9630 } 9631 r.append(a.info.name); 9632 } 9633 } 9634 if (r != null) { 9635 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9636 } 9637 9638 r = null; 9639 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9640 // Only system apps can hold shared libraries. 9641 if (pkg.libraryNames != null) { 9642 for (i=0; i<pkg.libraryNames.size(); i++) { 9643 String name = pkg.libraryNames.get(i); 9644 SharedLibraryEntry cur = mSharedLibraries.get(name); 9645 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9646 mSharedLibraries.remove(name); 9647 if (DEBUG_REMOVE && chatty) { 9648 if (r == null) { 9649 r = new StringBuilder(256); 9650 } else { 9651 r.append(' '); 9652 } 9653 r.append(name); 9654 } 9655 } 9656 } 9657 } 9658 } 9659 if (r != null) { 9660 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9661 } 9662 } 9663 9664 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9665 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9666 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9667 return true; 9668 } 9669 } 9670 return false; 9671 } 9672 9673 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9674 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9675 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9676 9677 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9678 // Update the parent permissions 9679 updatePermissionsLPw(pkg.packageName, pkg, flags); 9680 // Update the child permissions 9681 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9682 for (int i = 0; i < childCount; i++) { 9683 PackageParser.Package childPkg = pkg.childPackages.get(i); 9684 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9685 } 9686 } 9687 9688 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9689 int flags) { 9690 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9691 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9692 } 9693 9694 private void updatePermissionsLPw(String changingPkg, 9695 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9696 // Make sure there are no dangling permission trees. 9697 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9698 while (it.hasNext()) { 9699 final BasePermission bp = it.next(); 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 tree: " + 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 tree: " + bp.name 9712 + " from package " + bp.sourcePackage); 9713 flags |= UPDATE_PERMISSIONS_ALL; 9714 it.remove(); 9715 } 9716 } 9717 } 9718 9719 // Make sure all dynamic permissions have been assigned to a package, 9720 // and make sure there are no dangling permissions. 9721 it = mSettings.mPermissions.values().iterator(); 9722 while (it.hasNext()) { 9723 final BasePermission bp = it.next(); 9724 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9725 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9726 + bp.name + " pkg=" + bp.sourcePackage 9727 + " info=" + bp.pendingInfo); 9728 if (bp.packageSetting == null && bp.pendingInfo != null) { 9729 final BasePermission tree = findPermissionTreeLP(bp.name); 9730 if (tree != null && tree.perm != null) { 9731 bp.packageSetting = tree.packageSetting; 9732 bp.perm = new PackageParser.Permission(tree.perm.owner, 9733 new PermissionInfo(bp.pendingInfo)); 9734 bp.perm.info.packageName = tree.perm.info.packageName; 9735 bp.perm.info.name = bp.name; 9736 bp.uid = tree.uid; 9737 } 9738 } 9739 } 9740 if (bp.packageSetting == null) { 9741 // We may not yet have parsed the package, so just see if 9742 // we still know about its settings. 9743 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9744 } 9745 if (bp.packageSetting == null) { 9746 Slog.w(TAG, "Removing dangling permission: " + bp.name 9747 + " from package " + bp.sourcePackage); 9748 it.remove(); 9749 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9750 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9751 Slog.i(TAG, "Removing old permission: " + bp.name 9752 + " from package " + bp.sourcePackage); 9753 flags |= UPDATE_PERMISSIONS_ALL; 9754 it.remove(); 9755 } 9756 } 9757 } 9758 9759 // Now update the permissions for all packages, in particular 9760 // replace the granted permissions of the system packages. 9761 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9762 for (PackageParser.Package pkg : mPackages.values()) { 9763 if (pkg != pkgInfo) { 9764 // Only replace for packages on requested volume 9765 final String volumeUuid = getVolumeUuidForPackage(pkg); 9766 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9767 && Objects.equals(replaceVolumeUuid, volumeUuid); 9768 grantPermissionsLPw(pkg, replace, changingPkg); 9769 } 9770 } 9771 } 9772 9773 if (pkgInfo != null) { 9774 // Only replace for packages on requested volume 9775 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9776 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9777 && Objects.equals(replaceVolumeUuid, volumeUuid); 9778 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9779 } 9780 } 9781 9782 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9783 String packageOfInterest) { 9784 // IMPORTANT: There are two types of permissions: install and runtime. 9785 // Install time permissions are granted when the app is installed to 9786 // all device users and users added in the future. Runtime permissions 9787 // are granted at runtime explicitly to specific users. Normal and signature 9788 // protected permissions are install time permissions. Dangerous permissions 9789 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9790 // otherwise they are runtime permissions. This function does not manage 9791 // runtime permissions except for the case an app targeting Lollipop MR1 9792 // being upgraded to target a newer SDK, in which case dangerous permissions 9793 // are transformed from install time to runtime ones. 9794 9795 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9796 if (ps == null) { 9797 return; 9798 } 9799 9800 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9801 9802 PermissionsState permissionsState = ps.getPermissionsState(); 9803 PermissionsState origPermissions = permissionsState; 9804 9805 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9806 9807 boolean runtimePermissionsRevoked = false; 9808 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9809 9810 boolean changedInstallPermission = false; 9811 9812 if (replace) { 9813 ps.installPermissionsFixed = false; 9814 if (!ps.isSharedUser()) { 9815 origPermissions = new PermissionsState(permissionsState); 9816 permissionsState.reset(); 9817 } else { 9818 // We need to know only about runtime permission changes since the 9819 // calling code always writes the install permissions state but 9820 // the runtime ones are written only if changed. The only cases of 9821 // changed runtime permissions here are promotion of an install to 9822 // runtime and revocation of a runtime from a shared user. 9823 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9824 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9825 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9826 runtimePermissionsRevoked = true; 9827 } 9828 } 9829 } 9830 9831 permissionsState.setGlobalGids(mGlobalGids); 9832 9833 final int N = pkg.requestedPermissions.size(); 9834 for (int i=0; i<N; i++) { 9835 final String name = pkg.requestedPermissions.get(i); 9836 final BasePermission bp = mSettings.mPermissions.get(name); 9837 9838 if (DEBUG_INSTALL) { 9839 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9840 } 9841 9842 if (bp == null || bp.packageSetting == null) { 9843 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9844 Slog.w(TAG, "Unknown permission " + name 9845 + " in package " + pkg.packageName); 9846 } 9847 continue; 9848 } 9849 9850 final String perm = bp.name; 9851 boolean allowedSig = false; 9852 int grant = GRANT_DENIED; 9853 9854 // Keep track of app op permissions. 9855 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9856 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9857 if (pkgs == null) { 9858 pkgs = new ArraySet<>(); 9859 mAppOpPermissionPackages.put(bp.name, pkgs); 9860 } 9861 pkgs.add(pkg.packageName); 9862 } 9863 9864 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9865 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9866 >= Build.VERSION_CODES.M; 9867 switch (level) { 9868 case PermissionInfo.PROTECTION_NORMAL: { 9869 // For all apps normal permissions are install time ones. 9870 grant = GRANT_INSTALL; 9871 } break; 9872 9873 case PermissionInfo.PROTECTION_DANGEROUS: { 9874 // If a permission review is required for legacy apps we represent 9875 // their permissions as always granted runtime ones since we need 9876 // to keep the review required permission flag per user while an 9877 // install permission's state is shared across all users. 9878 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9879 // For legacy apps dangerous permissions are install time ones. 9880 grant = GRANT_INSTALL; 9881 } else if (origPermissions.hasInstallPermission(bp.name)) { 9882 // For legacy apps that became modern, install becomes runtime. 9883 grant = GRANT_UPGRADE; 9884 } else if (mPromoteSystemApps 9885 && isSystemApp(ps) 9886 && mExistingSystemPackages.contains(ps.name)) { 9887 // For legacy system apps, install becomes runtime. 9888 // We cannot check hasInstallPermission() for system apps since those 9889 // permissions were granted implicitly and not persisted pre-M. 9890 grant = GRANT_UPGRADE; 9891 } else { 9892 // For modern apps keep runtime permissions unchanged. 9893 grant = GRANT_RUNTIME; 9894 } 9895 } break; 9896 9897 case PermissionInfo.PROTECTION_SIGNATURE: { 9898 // For all apps signature permissions are install time ones. 9899 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9900 if (allowedSig) { 9901 grant = GRANT_INSTALL; 9902 } 9903 } break; 9904 } 9905 9906 if (DEBUG_INSTALL) { 9907 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9908 } 9909 9910 if (grant != GRANT_DENIED) { 9911 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9912 // If this is an existing, non-system package, then 9913 // we can't add any new permissions to it. 9914 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9915 // Except... if this is a permission that was added 9916 // to the platform (note: need to only do this when 9917 // updating the platform). 9918 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9919 grant = GRANT_DENIED; 9920 } 9921 } 9922 } 9923 9924 switch (grant) { 9925 case GRANT_INSTALL: { 9926 // Revoke this as runtime permission to handle the case of 9927 // a runtime permission being downgraded to an install one. 9928 // Also in permission review mode we keep dangerous permissions 9929 // for legacy apps 9930 for (int userId : UserManagerService.getInstance().getUserIds()) { 9931 if (origPermissions.getRuntimePermissionState( 9932 bp.name, userId) != null) { 9933 // Revoke the runtime permission and clear the flags. 9934 origPermissions.revokeRuntimePermission(bp, userId); 9935 origPermissions.updatePermissionFlags(bp, userId, 9936 PackageManager.MASK_PERMISSION_FLAGS, 0); 9937 // If we revoked a permission permission, we have to write. 9938 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9939 changedRuntimePermissionUserIds, userId); 9940 } 9941 } 9942 // Grant an install permission. 9943 if (permissionsState.grantInstallPermission(bp) != 9944 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9945 changedInstallPermission = true; 9946 } 9947 } break; 9948 9949 case GRANT_RUNTIME: { 9950 // Grant previously granted runtime permissions. 9951 for (int userId : UserManagerService.getInstance().getUserIds()) { 9952 PermissionState permissionState = origPermissions 9953 .getRuntimePermissionState(bp.name, userId); 9954 int flags = permissionState != null 9955 ? permissionState.getFlags() : 0; 9956 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9957 if (permissionsState.grantRuntimePermission(bp, userId) == 9958 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9959 // If we cannot put the permission as it was, we have to write. 9960 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9961 changedRuntimePermissionUserIds, userId); 9962 } 9963 // If the app supports runtime permissions no need for a review. 9964 if (Build.PERMISSIONS_REVIEW_REQUIRED 9965 && appSupportsRuntimePermissions 9966 && (flags & PackageManager 9967 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9968 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9969 // Since we changed the flags, we have to write. 9970 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9971 changedRuntimePermissionUserIds, userId); 9972 } 9973 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9974 && !appSupportsRuntimePermissions) { 9975 // For legacy apps that need a permission review, every new 9976 // runtime permission is granted but it is pending a review. 9977 // We also need to review only platform defined runtime 9978 // permissions as these are the only ones the platform knows 9979 // how to disable the API to simulate revocation as legacy 9980 // apps don't expect to run with revoked permissions. 9981 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 9982 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9983 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9984 // We changed the flags, hence have to write. 9985 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9986 changedRuntimePermissionUserIds, userId); 9987 } 9988 } 9989 if (permissionsState.grantRuntimePermission(bp, userId) 9990 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9991 // We changed the permission, hence have to write. 9992 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9993 changedRuntimePermissionUserIds, userId); 9994 } 9995 } 9996 // Propagate the permission flags. 9997 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9998 } 9999 } break; 10000 10001 case GRANT_UPGRADE: { 10002 // Grant runtime permissions for a previously held install permission. 10003 PermissionState permissionState = origPermissions 10004 .getInstallPermissionState(bp.name); 10005 final int flags = permissionState != null ? permissionState.getFlags() : 0; 10006 10007 if (origPermissions.revokeInstallPermission(bp) 10008 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 10009 // We will be transferring the permission flags, so clear them. 10010 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 10011 PackageManager.MASK_PERMISSION_FLAGS, 0); 10012 changedInstallPermission = true; 10013 } 10014 10015 // If the permission is not to be promoted to runtime we ignore it and 10016 // also its other flags as they are not applicable to install permissions. 10017 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 10018 for (int userId : currentUserIds) { 10019 if (permissionsState.grantRuntimePermission(bp, userId) != 10020 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10021 // Transfer the permission flags. 10022 permissionsState.updatePermissionFlags(bp, userId, 10023 flags, flags); 10024 // If we granted the permission, we have to write. 10025 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 10026 changedRuntimePermissionUserIds, userId); 10027 } 10028 } 10029 } 10030 } break; 10031 10032 default: { 10033 if (packageOfInterest == null 10034 || packageOfInterest.equals(pkg.packageName)) { 10035 Slog.w(TAG, "Not granting permission " + perm 10036 + " to package " + pkg.packageName 10037 + " because it was previously installed without"); 10038 } 10039 } break; 10040 } 10041 } else { 10042 if (permissionsState.revokeInstallPermission(bp) != 10043 PermissionsState.PERMISSION_OPERATION_FAILURE) { 10044 // Also drop the permission flags. 10045 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 10046 PackageManager.MASK_PERMISSION_FLAGS, 0); 10047 changedInstallPermission = true; 10048 Slog.i(TAG, "Un-granting permission " + perm 10049 + " from package " + pkg.packageName 10050 + " (protectionLevel=" + bp.protectionLevel 10051 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10052 + ")"); 10053 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 10054 // Don't print warning for app op permissions, since it is fine for them 10055 // not to be granted, there is a UI for the user to decide. 10056 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 10057 Slog.w(TAG, "Not granting permission " + perm 10058 + " to package " + pkg.packageName 10059 + " (protectionLevel=" + bp.protectionLevel 10060 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 10061 + ")"); 10062 } 10063 } 10064 } 10065 } 10066 10067 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 10068 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 10069 // This is the first that we have heard about this package, so the 10070 // permissions we have now selected are fixed until explicitly 10071 // changed. 10072 ps.installPermissionsFixed = true; 10073 } 10074 10075 // Persist the runtime permissions state for users with changes. If permissions 10076 // were revoked because no app in the shared user declares them we have to 10077 // write synchronously to avoid losing runtime permissions state. 10078 for (int userId : changedRuntimePermissionUserIds) { 10079 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 10080 } 10081 10082 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10083 } 10084 10085 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 10086 boolean allowed = false; 10087 final int NP = PackageParser.NEW_PERMISSIONS.length; 10088 for (int ip=0; ip<NP; ip++) { 10089 final PackageParser.NewPermissionInfo npi 10090 = PackageParser.NEW_PERMISSIONS[ip]; 10091 if (npi.name.equals(perm) 10092 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 10093 allowed = true; 10094 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 10095 + pkg.packageName); 10096 break; 10097 } 10098 } 10099 return allowed; 10100 } 10101 10102 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 10103 BasePermission bp, PermissionsState origPermissions) { 10104 boolean allowed; 10105 allowed = (compareSignatures( 10106 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 10107 == PackageManager.SIGNATURE_MATCH) 10108 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 10109 == PackageManager.SIGNATURE_MATCH); 10110 if (!allowed && (bp.protectionLevel 10111 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 10112 if (isSystemApp(pkg)) { 10113 // For updated system applications, a system permission 10114 // is granted only if it had been defined by the original application. 10115 if (pkg.isUpdatedSystemApp()) { 10116 final PackageSetting sysPs = mSettings 10117 .getDisabledSystemPkgLPr(pkg.packageName); 10118 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 10119 // If the original was granted this permission, we take 10120 // that grant decision as read and propagate it to the 10121 // update. 10122 if (sysPs.isPrivileged()) { 10123 allowed = true; 10124 } 10125 } else { 10126 // The system apk may have been updated with an older 10127 // version of the one on the data partition, but which 10128 // granted a new system permission that it didn't have 10129 // before. In this case we do want to allow the app to 10130 // now get the new permission if the ancestral apk is 10131 // privileged to get it. 10132 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 10133 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 10134 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 10135 allowed = true; 10136 break; 10137 } 10138 } 10139 } 10140 // Also if a privileged parent package on the system image or any of 10141 // its children requested a privileged permission, the updated child 10142 // packages can also get the permission. 10143 if (pkg.parentPackage != null) { 10144 final PackageSetting disabledSysParentPs = mSettings 10145 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 10146 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 10147 && disabledSysParentPs.isPrivileged()) { 10148 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 10149 allowed = true; 10150 } else if (disabledSysParentPs.pkg.childPackages != null) { 10151 final int count = disabledSysParentPs.pkg.childPackages.size(); 10152 for (int i = 0; i < count; i++) { 10153 PackageParser.Package disabledSysChildPkg = 10154 disabledSysParentPs.pkg.childPackages.get(i); 10155 if (isPackageRequestingPermission(disabledSysChildPkg, 10156 perm)) { 10157 allowed = true; 10158 break; 10159 } 10160 } 10161 } 10162 } 10163 } 10164 } 10165 } else { 10166 allowed = isPrivilegedApp(pkg); 10167 } 10168 } 10169 } 10170 if (!allowed) { 10171 if (!allowed && (bp.protectionLevel 10172 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 10173 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 10174 // If this was a previously normal/dangerous permission that got moved 10175 // to a system permission as part of the runtime permission redesign, then 10176 // we still want to blindly grant it to old apps. 10177 allowed = true; 10178 } 10179 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 10180 && pkg.packageName.equals(mRequiredInstallerPackage)) { 10181 // If this permission is to be granted to the system installer and 10182 // this app is an installer, then it gets the permission. 10183 allowed = true; 10184 } 10185 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 10186 && pkg.packageName.equals(mRequiredVerifierPackage)) { 10187 // If this permission is to be granted to the system verifier and 10188 // this app is a verifier, then it gets the permission. 10189 allowed = true; 10190 } 10191 if (!allowed && (bp.protectionLevel 10192 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 10193 && isSystemApp(pkg)) { 10194 // Any pre-installed system app is allowed to get this permission. 10195 allowed = true; 10196 } 10197 if (!allowed && (bp.protectionLevel 10198 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10199 // For development permissions, a development permission 10200 // is granted only if it was already granted. 10201 allowed = origPermissions.hasInstallPermission(perm); 10202 } 10203 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10204 && pkg.packageName.equals(mSetupWizardPackage)) { 10205 // If this permission is to be granted to the system setup wizard and 10206 // this app is a setup wizard, then it gets the permission. 10207 allowed = true; 10208 } 10209 } 10210 return allowed; 10211 } 10212 10213 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10214 final int permCount = pkg.requestedPermissions.size(); 10215 for (int j = 0; j < permCount; j++) { 10216 String requestedPermission = pkg.requestedPermissions.get(j); 10217 if (permission.equals(requestedPermission)) { 10218 return true; 10219 } 10220 } 10221 return false; 10222 } 10223 10224 final class ActivityIntentResolver 10225 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10226 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10227 boolean defaultOnly, int userId) { 10228 if (!sUserManager.exists(userId)) return null; 10229 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10230 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10231 } 10232 10233 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10234 int userId) { 10235 if (!sUserManager.exists(userId)) return null; 10236 mFlags = flags; 10237 return super.queryIntent(intent, resolvedType, 10238 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10239 } 10240 10241 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10242 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10243 if (!sUserManager.exists(userId)) return null; 10244 if (packageActivities == null) { 10245 return null; 10246 } 10247 mFlags = flags; 10248 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10249 final int N = packageActivities.size(); 10250 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10251 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10252 10253 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10254 for (int i = 0; i < N; ++i) { 10255 intentFilters = packageActivities.get(i).intents; 10256 if (intentFilters != null && intentFilters.size() > 0) { 10257 PackageParser.ActivityIntentInfo[] array = 10258 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10259 intentFilters.toArray(array); 10260 listCut.add(array); 10261 } 10262 } 10263 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10264 } 10265 10266 /** 10267 * Finds a privileged activity that matches the specified activity names. 10268 */ 10269 private PackageParser.Activity findMatchingActivity( 10270 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10271 for (PackageParser.Activity sysActivity : activityList) { 10272 if (sysActivity.info.name.equals(activityInfo.name)) { 10273 return sysActivity; 10274 } 10275 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10276 return sysActivity; 10277 } 10278 if (sysActivity.info.targetActivity != null) { 10279 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10280 return sysActivity; 10281 } 10282 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10283 return sysActivity; 10284 } 10285 } 10286 } 10287 return null; 10288 } 10289 10290 public class IterGenerator<E> { 10291 public Iterator<E> generate(ActivityIntentInfo info) { 10292 return null; 10293 } 10294 } 10295 10296 public class ActionIterGenerator extends IterGenerator<String> { 10297 @Override 10298 public Iterator<String> generate(ActivityIntentInfo info) { 10299 return info.actionsIterator(); 10300 } 10301 } 10302 10303 public class CategoriesIterGenerator extends IterGenerator<String> { 10304 @Override 10305 public Iterator<String> generate(ActivityIntentInfo info) { 10306 return info.categoriesIterator(); 10307 } 10308 } 10309 10310 public class SchemesIterGenerator extends IterGenerator<String> { 10311 @Override 10312 public Iterator<String> generate(ActivityIntentInfo info) { 10313 return info.schemesIterator(); 10314 } 10315 } 10316 10317 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10318 @Override 10319 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10320 return info.authoritiesIterator(); 10321 } 10322 } 10323 10324 /** 10325 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10326 * MODIFIED. Do not pass in a list that should not be changed. 10327 */ 10328 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10329 IterGenerator<T> generator, Iterator<T> searchIterator) { 10330 // loop through the set of actions; every one must be found in the intent filter 10331 while (searchIterator.hasNext()) { 10332 // we must have at least one filter in the list to consider a match 10333 if (intentList.size() == 0) { 10334 break; 10335 } 10336 10337 final T searchAction = searchIterator.next(); 10338 10339 // loop through the set of intent filters 10340 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10341 while (intentIter.hasNext()) { 10342 final ActivityIntentInfo intentInfo = intentIter.next(); 10343 boolean selectionFound = false; 10344 10345 // loop through the intent filter's selection criteria; at least one 10346 // of them must match the searched criteria 10347 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10348 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10349 final T intentSelection = intentSelectionIter.next(); 10350 if (intentSelection != null && intentSelection.equals(searchAction)) { 10351 selectionFound = true; 10352 break; 10353 } 10354 } 10355 10356 // the selection criteria wasn't found in this filter's set; this filter 10357 // is not a potential match 10358 if (!selectionFound) { 10359 intentIter.remove(); 10360 } 10361 } 10362 } 10363 } 10364 10365 private boolean isProtectedAction(ActivityIntentInfo filter) { 10366 final Iterator<String> actionsIter = filter.actionsIterator(); 10367 while (actionsIter != null && actionsIter.hasNext()) { 10368 final String filterAction = actionsIter.next(); 10369 if (PROTECTED_ACTIONS.contains(filterAction)) { 10370 return true; 10371 } 10372 } 10373 return false; 10374 } 10375 10376 /** 10377 * Adjusts the priority of the given intent filter according to policy. 10378 * <p> 10379 * <ul> 10380 * <li>The priority for non privileged applications is capped to '0'</li> 10381 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10382 * <li>The priority for unbundled updates to privileged applications is capped to the 10383 * priority defined on the system partition</li> 10384 * </ul> 10385 * <p> 10386 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10387 * allowed to obtain any priority on any action. 10388 */ 10389 private void adjustPriority( 10390 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10391 // nothing to do; priority is fine as-is 10392 if (intent.getPriority() <= 0) { 10393 return; 10394 } 10395 10396 final ActivityInfo activityInfo = intent.activity.info; 10397 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10398 10399 final boolean privilegedApp = 10400 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10401 if (!privilegedApp) { 10402 // non-privileged applications can never define a priority >0 10403 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10404 + " package: " + applicationInfo.packageName 10405 + " activity: " + intent.activity.className 10406 + " origPrio: " + intent.getPriority()); 10407 intent.setPriority(0); 10408 return; 10409 } 10410 10411 if (systemActivities == null) { 10412 // the system package is not disabled; we're parsing the system partition 10413 if (isProtectedAction(intent)) { 10414 if (mDeferProtectedFilters) { 10415 // We can't deal with these just yet. No component should ever obtain a 10416 // >0 priority for a protected actions, with ONE exception -- the setup 10417 // wizard. The setup wizard, however, cannot be known until we're able to 10418 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10419 // until all intent filters have been processed. Chicken, meet egg. 10420 // Let the filter temporarily have a high priority and rectify the 10421 // priorities after all system packages have been scanned. 10422 mProtectedFilters.add(intent); 10423 if (DEBUG_FILTERS) { 10424 Slog.i(TAG, "Protected action; save for later;" 10425 + " package: " + applicationInfo.packageName 10426 + " activity: " + intent.activity.className 10427 + " origPrio: " + intent.getPriority()); 10428 } 10429 return; 10430 } else { 10431 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10432 Slog.i(TAG, "No setup wizard;" 10433 + " All protected intents capped to priority 0"); 10434 } 10435 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10436 if (DEBUG_FILTERS) { 10437 Slog.i(TAG, "Found setup wizard;" 10438 + " allow priority " + intent.getPriority() + ";" 10439 + " package: " + intent.activity.info.packageName 10440 + " activity: " + intent.activity.className 10441 + " priority: " + intent.getPriority()); 10442 } 10443 // setup wizard gets whatever it wants 10444 return; 10445 } 10446 Slog.w(TAG, "Protected action; cap priority to 0;" 10447 + " package: " + intent.activity.info.packageName 10448 + " activity: " + intent.activity.className 10449 + " origPrio: " + intent.getPriority()); 10450 intent.setPriority(0); 10451 return; 10452 } 10453 } 10454 // privileged apps on the system image get whatever priority they request 10455 return; 10456 } 10457 10458 // privileged app unbundled update ... try to find the same activity 10459 final PackageParser.Activity foundActivity = 10460 findMatchingActivity(systemActivities, activityInfo); 10461 if (foundActivity == null) { 10462 // this is a new activity; it cannot obtain >0 priority 10463 if (DEBUG_FILTERS) { 10464 Slog.i(TAG, "New activity; cap priority to 0;" 10465 + " package: " + applicationInfo.packageName 10466 + " activity: " + intent.activity.className 10467 + " origPrio: " + intent.getPriority()); 10468 } 10469 intent.setPriority(0); 10470 return; 10471 } 10472 10473 // found activity, now check for filter equivalence 10474 10475 // a shallow copy is enough; we modify the list, not its contents 10476 final List<ActivityIntentInfo> intentListCopy = 10477 new ArrayList<>(foundActivity.intents); 10478 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10479 10480 // find matching action subsets 10481 final Iterator<String> actionsIterator = intent.actionsIterator(); 10482 if (actionsIterator != null) { 10483 getIntentListSubset( 10484 intentListCopy, new ActionIterGenerator(), actionsIterator); 10485 if (intentListCopy.size() == 0) { 10486 // no more intents to match; we're not equivalent 10487 if (DEBUG_FILTERS) { 10488 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10489 + " package: " + applicationInfo.packageName 10490 + " activity: " + intent.activity.className 10491 + " origPrio: " + intent.getPriority()); 10492 } 10493 intent.setPriority(0); 10494 return; 10495 } 10496 } 10497 10498 // find matching category subsets 10499 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10500 if (categoriesIterator != null) { 10501 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10502 categoriesIterator); 10503 if (intentListCopy.size() == 0) { 10504 // no more intents to match; we're not equivalent 10505 if (DEBUG_FILTERS) { 10506 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10507 + " package: " + applicationInfo.packageName 10508 + " activity: " + intent.activity.className 10509 + " origPrio: " + intent.getPriority()); 10510 } 10511 intent.setPriority(0); 10512 return; 10513 } 10514 } 10515 10516 // find matching schemes subsets 10517 final Iterator<String> schemesIterator = intent.schemesIterator(); 10518 if (schemesIterator != null) { 10519 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10520 schemesIterator); 10521 if (intentListCopy.size() == 0) { 10522 // no more intents to match; we're not equivalent 10523 if (DEBUG_FILTERS) { 10524 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10525 + " package: " + applicationInfo.packageName 10526 + " activity: " + intent.activity.className 10527 + " origPrio: " + intent.getPriority()); 10528 } 10529 intent.setPriority(0); 10530 return; 10531 } 10532 } 10533 10534 // find matching authorities subsets 10535 final Iterator<IntentFilter.AuthorityEntry> 10536 authoritiesIterator = intent.authoritiesIterator(); 10537 if (authoritiesIterator != null) { 10538 getIntentListSubset(intentListCopy, 10539 new AuthoritiesIterGenerator(), 10540 authoritiesIterator); 10541 if (intentListCopy.size() == 0) { 10542 // no more intents to match; we're not equivalent 10543 if (DEBUG_FILTERS) { 10544 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10545 + " package: " + applicationInfo.packageName 10546 + " activity: " + intent.activity.className 10547 + " origPrio: " + intent.getPriority()); 10548 } 10549 intent.setPriority(0); 10550 return; 10551 } 10552 } 10553 10554 // we found matching filter(s); app gets the max priority of all intents 10555 int cappedPriority = 0; 10556 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10557 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10558 } 10559 if (intent.getPriority() > cappedPriority) { 10560 if (DEBUG_FILTERS) { 10561 Slog.i(TAG, "Found matching filter(s);" 10562 + " cap priority to " + cappedPriority + ";" 10563 + " package: " + applicationInfo.packageName 10564 + " activity: " + intent.activity.className 10565 + " origPrio: " + intent.getPriority()); 10566 } 10567 intent.setPriority(cappedPriority); 10568 return; 10569 } 10570 // all this for nothing; the requested priority was <= what was on the system 10571 } 10572 10573 public final void addActivity(PackageParser.Activity a, String type) { 10574 mActivities.put(a.getComponentName(), a); 10575 if (DEBUG_SHOW_INFO) 10576 Log.v( 10577 TAG, " " + type + " " + 10578 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10579 if (DEBUG_SHOW_INFO) 10580 Log.v(TAG, " Class=" + a.info.name); 10581 final int NI = a.intents.size(); 10582 for (int j=0; j<NI; j++) { 10583 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10584 if ("activity".equals(type)) { 10585 final PackageSetting ps = 10586 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10587 final List<PackageParser.Activity> systemActivities = 10588 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10589 adjustPriority(systemActivities, intent); 10590 } 10591 if (DEBUG_SHOW_INFO) { 10592 Log.v(TAG, " IntentFilter:"); 10593 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10594 } 10595 if (!intent.debugCheck()) { 10596 Log.w(TAG, "==> For Activity " + a.info.name); 10597 } 10598 addFilter(intent); 10599 } 10600 } 10601 10602 public final void removeActivity(PackageParser.Activity a, String type) { 10603 mActivities.remove(a.getComponentName()); 10604 if (DEBUG_SHOW_INFO) { 10605 Log.v(TAG, " " + type + " " 10606 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10607 : a.info.name) + ":"); 10608 Log.v(TAG, " Class=" + a.info.name); 10609 } 10610 final int NI = a.intents.size(); 10611 for (int j=0; j<NI; j++) { 10612 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10613 if (DEBUG_SHOW_INFO) { 10614 Log.v(TAG, " IntentFilter:"); 10615 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10616 } 10617 removeFilter(intent); 10618 } 10619 } 10620 10621 @Override 10622 protected boolean allowFilterResult( 10623 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10624 ActivityInfo filterAi = filter.activity.info; 10625 for (int i=dest.size()-1; i>=0; i--) { 10626 ActivityInfo destAi = dest.get(i).activityInfo; 10627 if (destAi.name == filterAi.name 10628 && destAi.packageName == filterAi.packageName) { 10629 return false; 10630 } 10631 } 10632 return true; 10633 } 10634 10635 @Override 10636 protected ActivityIntentInfo[] newArray(int size) { 10637 return new ActivityIntentInfo[size]; 10638 } 10639 10640 @Override 10641 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10642 if (!sUserManager.exists(userId)) return true; 10643 PackageParser.Package p = filter.activity.owner; 10644 if (p != null) { 10645 PackageSetting ps = (PackageSetting)p.mExtras; 10646 if (ps != null) { 10647 // System apps are never considered stopped for purposes of 10648 // filtering, because there may be no way for the user to 10649 // actually re-launch them. 10650 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10651 && ps.getStopped(userId); 10652 } 10653 } 10654 return false; 10655 } 10656 10657 @Override 10658 protected boolean isPackageForFilter(String packageName, 10659 PackageParser.ActivityIntentInfo info) { 10660 return packageName.equals(info.activity.owner.packageName); 10661 } 10662 10663 @Override 10664 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10665 int match, int userId) { 10666 if (!sUserManager.exists(userId)) return null; 10667 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10668 return null; 10669 } 10670 final PackageParser.Activity activity = info.activity; 10671 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10672 if (ps == null) { 10673 return null; 10674 } 10675 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10676 ps.readUserState(userId), userId); 10677 if (ai == null) { 10678 return null; 10679 } 10680 final ResolveInfo res = new ResolveInfo(); 10681 res.activityInfo = ai; 10682 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10683 res.filter = info; 10684 } 10685 if (info != null) { 10686 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10687 } 10688 res.priority = info.getPriority(); 10689 res.preferredOrder = activity.owner.mPreferredOrder; 10690 //System.out.println("Result: " + res.activityInfo.className + 10691 // " = " + res.priority); 10692 res.match = match; 10693 res.isDefault = info.hasDefault; 10694 res.labelRes = info.labelRes; 10695 res.nonLocalizedLabel = info.nonLocalizedLabel; 10696 if (userNeedsBadging(userId)) { 10697 res.noResourceId = true; 10698 } else { 10699 res.icon = info.icon; 10700 } 10701 res.iconResourceId = info.icon; 10702 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10703 return res; 10704 } 10705 10706 @Override 10707 protected void sortResults(List<ResolveInfo> results) { 10708 Collections.sort(results, mResolvePrioritySorter); 10709 } 10710 10711 @Override 10712 protected void dumpFilter(PrintWriter out, String prefix, 10713 PackageParser.ActivityIntentInfo filter) { 10714 out.print(prefix); out.print( 10715 Integer.toHexString(System.identityHashCode(filter.activity))); 10716 out.print(' '); 10717 filter.activity.printComponentShortName(out); 10718 out.print(" filter "); 10719 out.println(Integer.toHexString(System.identityHashCode(filter))); 10720 } 10721 10722 @Override 10723 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10724 return filter.activity; 10725 } 10726 10727 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10728 PackageParser.Activity activity = (PackageParser.Activity)label; 10729 out.print(prefix); out.print( 10730 Integer.toHexString(System.identityHashCode(activity))); 10731 out.print(' '); 10732 activity.printComponentShortName(out); 10733 if (count > 1) { 10734 out.print(" ("); out.print(count); out.print(" filters)"); 10735 } 10736 out.println(); 10737 } 10738 10739 // Keys are String (activity class name), values are Activity. 10740 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10741 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10742 private int mFlags; 10743 } 10744 10745 private final class ServiceIntentResolver 10746 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10747 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10748 boolean defaultOnly, int userId) { 10749 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10750 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10751 } 10752 10753 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10754 int userId) { 10755 if (!sUserManager.exists(userId)) return null; 10756 mFlags = flags; 10757 return super.queryIntent(intent, resolvedType, 10758 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10759 } 10760 10761 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10762 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10763 if (!sUserManager.exists(userId)) return null; 10764 if (packageServices == null) { 10765 return null; 10766 } 10767 mFlags = flags; 10768 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10769 final int N = packageServices.size(); 10770 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10771 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10772 10773 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10774 for (int i = 0; i < N; ++i) { 10775 intentFilters = packageServices.get(i).intents; 10776 if (intentFilters != null && intentFilters.size() > 0) { 10777 PackageParser.ServiceIntentInfo[] array = 10778 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10779 intentFilters.toArray(array); 10780 listCut.add(array); 10781 } 10782 } 10783 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10784 } 10785 10786 public final void addService(PackageParser.Service s) { 10787 mServices.put(s.getComponentName(), s); 10788 if (DEBUG_SHOW_INFO) { 10789 Log.v(TAG, " " 10790 + (s.info.nonLocalizedLabel != null 10791 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10792 Log.v(TAG, " Class=" + s.info.name); 10793 } 10794 final int NI = s.intents.size(); 10795 int j; 10796 for (j=0; j<NI; j++) { 10797 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10798 if (DEBUG_SHOW_INFO) { 10799 Log.v(TAG, " IntentFilter:"); 10800 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10801 } 10802 if (!intent.debugCheck()) { 10803 Log.w(TAG, "==> For Service " + s.info.name); 10804 } 10805 addFilter(intent); 10806 } 10807 } 10808 10809 public final void removeService(PackageParser.Service s) { 10810 mServices.remove(s.getComponentName()); 10811 if (DEBUG_SHOW_INFO) { 10812 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10813 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10814 Log.v(TAG, " Class=" + s.info.name); 10815 } 10816 final int NI = s.intents.size(); 10817 int j; 10818 for (j=0; j<NI; j++) { 10819 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10820 if (DEBUG_SHOW_INFO) { 10821 Log.v(TAG, " IntentFilter:"); 10822 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10823 } 10824 removeFilter(intent); 10825 } 10826 } 10827 10828 @Override 10829 protected boolean allowFilterResult( 10830 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10831 ServiceInfo filterSi = filter.service.info; 10832 for (int i=dest.size()-1; i>=0; i--) { 10833 ServiceInfo destAi = dest.get(i).serviceInfo; 10834 if (destAi.name == filterSi.name 10835 && destAi.packageName == filterSi.packageName) { 10836 return false; 10837 } 10838 } 10839 return true; 10840 } 10841 10842 @Override 10843 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10844 return new PackageParser.ServiceIntentInfo[size]; 10845 } 10846 10847 @Override 10848 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10849 if (!sUserManager.exists(userId)) return true; 10850 PackageParser.Package p = filter.service.owner; 10851 if (p != null) { 10852 PackageSetting ps = (PackageSetting)p.mExtras; 10853 if (ps != null) { 10854 // System apps are never considered stopped for purposes of 10855 // filtering, because there may be no way for the user to 10856 // actually re-launch them. 10857 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10858 && ps.getStopped(userId); 10859 } 10860 } 10861 return false; 10862 } 10863 10864 @Override 10865 protected boolean isPackageForFilter(String packageName, 10866 PackageParser.ServiceIntentInfo info) { 10867 return packageName.equals(info.service.owner.packageName); 10868 } 10869 10870 @Override 10871 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10872 int match, int userId) { 10873 if (!sUserManager.exists(userId)) return null; 10874 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10875 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10876 return null; 10877 } 10878 final PackageParser.Service service = info.service; 10879 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10880 if (ps == null) { 10881 return null; 10882 } 10883 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10884 ps.readUserState(userId), userId); 10885 if (si == null) { 10886 return null; 10887 } 10888 final ResolveInfo res = new ResolveInfo(); 10889 res.serviceInfo = si; 10890 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10891 res.filter = filter; 10892 } 10893 res.priority = info.getPriority(); 10894 res.preferredOrder = service.owner.mPreferredOrder; 10895 res.match = match; 10896 res.isDefault = info.hasDefault; 10897 res.labelRes = info.labelRes; 10898 res.nonLocalizedLabel = info.nonLocalizedLabel; 10899 res.icon = info.icon; 10900 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10901 return res; 10902 } 10903 10904 @Override 10905 protected void sortResults(List<ResolveInfo> results) { 10906 Collections.sort(results, mResolvePrioritySorter); 10907 } 10908 10909 @Override 10910 protected void dumpFilter(PrintWriter out, String prefix, 10911 PackageParser.ServiceIntentInfo filter) { 10912 out.print(prefix); out.print( 10913 Integer.toHexString(System.identityHashCode(filter.service))); 10914 out.print(' '); 10915 filter.service.printComponentShortName(out); 10916 out.print(" filter "); 10917 out.println(Integer.toHexString(System.identityHashCode(filter))); 10918 } 10919 10920 @Override 10921 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10922 return filter.service; 10923 } 10924 10925 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10926 PackageParser.Service service = (PackageParser.Service)label; 10927 out.print(prefix); out.print( 10928 Integer.toHexString(System.identityHashCode(service))); 10929 out.print(' '); 10930 service.printComponentShortName(out); 10931 if (count > 1) { 10932 out.print(" ("); out.print(count); out.print(" filters)"); 10933 } 10934 out.println(); 10935 } 10936 10937// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10938// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10939// final List<ResolveInfo> retList = Lists.newArrayList(); 10940// while (i.hasNext()) { 10941// final ResolveInfo resolveInfo = (ResolveInfo) i; 10942// if (isEnabledLP(resolveInfo.serviceInfo)) { 10943// retList.add(resolveInfo); 10944// } 10945// } 10946// return retList; 10947// } 10948 10949 // Keys are String (activity class name), values are Activity. 10950 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10951 = new ArrayMap<ComponentName, PackageParser.Service>(); 10952 private int mFlags; 10953 }; 10954 10955 private final class ProviderIntentResolver 10956 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10957 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10958 boolean defaultOnly, int userId) { 10959 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10960 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10961 } 10962 10963 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10964 int userId) { 10965 if (!sUserManager.exists(userId)) 10966 return null; 10967 mFlags = flags; 10968 return super.queryIntent(intent, resolvedType, 10969 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10970 } 10971 10972 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10973 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10974 if (!sUserManager.exists(userId)) 10975 return null; 10976 if (packageProviders == null) { 10977 return null; 10978 } 10979 mFlags = flags; 10980 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10981 final int N = packageProviders.size(); 10982 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10983 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10984 10985 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10986 for (int i = 0; i < N; ++i) { 10987 intentFilters = packageProviders.get(i).intents; 10988 if (intentFilters != null && intentFilters.size() > 0) { 10989 PackageParser.ProviderIntentInfo[] array = 10990 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10991 intentFilters.toArray(array); 10992 listCut.add(array); 10993 } 10994 } 10995 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10996 } 10997 10998 public final void addProvider(PackageParser.Provider p) { 10999 if (mProviders.containsKey(p.getComponentName())) { 11000 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 11001 return; 11002 } 11003 11004 mProviders.put(p.getComponentName(), p); 11005 if (DEBUG_SHOW_INFO) { 11006 Log.v(TAG, " " 11007 + (p.info.nonLocalizedLabel != null 11008 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11009 Log.v(TAG, " Class=" + p.info.name); 11010 } 11011 final int NI = p.intents.size(); 11012 int j; 11013 for (j = 0; j < NI; j++) { 11014 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11015 if (DEBUG_SHOW_INFO) { 11016 Log.v(TAG, " IntentFilter:"); 11017 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11018 } 11019 if (!intent.debugCheck()) { 11020 Log.w(TAG, "==> For Provider " + p.info.name); 11021 } 11022 addFilter(intent); 11023 } 11024 } 11025 11026 public final void removeProvider(PackageParser.Provider p) { 11027 mProviders.remove(p.getComponentName()); 11028 if (DEBUG_SHOW_INFO) { 11029 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 11030 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 11031 Log.v(TAG, " Class=" + p.info.name); 11032 } 11033 final int NI = p.intents.size(); 11034 int j; 11035 for (j = 0; j < NI; j++) { 11036 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 11037 if (DEBUG_SHOW_INFO) { 11038 Log.v(TAG, " IntentFilter:"); 11039 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11040 } 11041 removeFilter(intent); 11042 } 11043 } 11044 11045 @Override 11046 protected boolean allowFilterResult( 11047 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 11048 ProviderInfo filterPi = filter.provider.info; 11049 for (int i = dest.size() - 1; i >= 0; i--) { 11050 ProviderInfo destPi = dest.get(i).providerInfo; 11051 if (destPi.name == filterPi.name 11052 && destPi.packageName == filterPi.packageName) { 11053 return false; 11054 } 11055 } 11056 return true; 11057 } 11058 11059 @Override 11060 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 11061 return new PackageParser.ProviderIntentInfo[size]; 11062 } 11063 11064 @Override 11065 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 11066 if (!sUserManager.exists(userId)) 11067 return true; 11068 PackageParser.Package p = filter.provider.owner; 11069 if (p != null) { 11070 PackageSetting ps = (PackageSetting) p.mExtras; 11071 if (ps != null) { 11072 // System apps are never considered stopped for purposes of 11073 // filtering, because there may be no way for the user to 11074 // actually re-launch them. 11075 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 11076 && ps.getStopped(userId); 11077 } 11078 } 11079 return false; 11080 } 11081 11082 @Override 11083 protected boolean isPackageForFilter(String packageName, 11084 PackageParser.ProviderIntentInfo info) { 11085 return packageName.equals(info.provider.owner.packageName); 11086 } 11087 11088 @Override 11089 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 11090 int match, int userId) { 11091 if (!sUserManager.exists(userId)) 11092 return null; 11093 final PackageParser.ProviderIntentInfo info = filter; 11094 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 11095 return null; 11096 } 11097 final PackageParser.Provider provider = info.provider; 11098 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 11099 if (ps == null) { 11100 return null; 11101 } 11102 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 11103 ps.readUserState(userId), userId); 11104 if (pi == null) { 11105 return null; 11106 } 11107 final ResolveInfo res = new ResolveInfo(); 11108 res.providerInfo = pi; 11109 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 11110 res.filter = filter; 11111 } 11112 res.priority = info.getPriority(); 11113 res.preferredOrder = provider.owner.mPreferredOrder; 11114 res.match = match; 11115 res.isDefault = info.hasDefault; 11116 res.labelRes = info.labelRes; 11117 res.nonLocalizedLabel = info.nonLocalizedLabel; 11118 res.icon = info.icon; 11119 res.system = res.providerInfo.applicationInfo.isSystemApp(); 11120 return res; 11121 } 11122 11123 @Override 11124 protected void sortResults(List<ResolveInfo> results) { 11125 Collections.sort(results, mResolvePrioritySorter); 11126 } 11127 11128 @Override 11129 protected void dumpFilter(PrintWriter out, String prefix, 11130 PackageParser.ProviderIntentInfo filter) { 11131 out.print(prefix); 11132 out.print( 11133 Integer.toHexString(System.identityHashCode(filter.provider))); 11134 out.print(' '); 11135 filter.provider.printComponentShortName(out); 11136 out.print(" filter "); 11137 out.println(Integer.toHexString(System.identityHashCode(filter))); 11138 } 11139 11140 @Override 11141 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 11142 return filter.provider; 11143 } 11144 11145 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 11146 PackageParser.Provider provider = (PackageParser.Provider)label; 11147 out.print(prefix); out.print( 11148 Integer.toHexString(System.identityHashCode(provider))); 11149 out.print(' '); 11150 provider.printComponentShortName(out); 11151 if (count > 1) { 11152 out.print(" ("); out.print(count); out.print(" filters)"); 11153 } 11154 out.println(); 11155 } 11156 11157 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 11158 = new ArrayMap<ComponentName, PackageParser.Provider>(); 11159 private int mFlags; 11160 } 11161 11162 private static final class EphemeralIntentResolver 11163 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 11164 @Override 11165 protected EphemeralResolveIntentInfo[] newArray(int size) { 11166 return new EphemeralResolveIntentInfo[size]; 11167 } 11168 11169 @Override 11170 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 11171 return true; 11172 } 11173 11174 @Override 11175 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 11176 int userId) { 11177 if (!sUserManager.exists(userId)) { 11178 return null; 11179 } 11180 return info.getEphemeralResolveInfo(); 11181 } 11182 } 11183 11184 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 11185 new Comparator<ResolveInfo>() { 11186 public int compare(ResolveInfo r1, ResolveInfo r2) { 11187 int v1 = r1.priority; 11188 int v2 = r2.priority; 11189 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 11190 if (v1 != v2) { 11191 return (v1 > v2) ? -1 : 1; 11192 } 11193 v1 = r1.preferredOrder; 11194 v2 = r2.preferredOrder; 11195 if (v1 != v2) { 11196 return (v1 > v2) ? -1 : 1; 11197 } 11198 if (r1.isDefault != r2.isDefault) { 11199 return r1.isDefault ? -1 : 1; 11200 } 11201 v1 = r1.match; 11202 v2 = r2.match; 11203 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11204 if (v1 != v2) { 11205 return (v1 > v2) ? -1 : 1; 11206 } 11207 if (r1.system != r2.system) { 11208 return r1.system ? -1 : 1; 11209 } 11210 if (r1.activityInfo != null) { 11211 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11212 } 11213 if (r1.serviceInfo != null) { 11214 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11215 } 11216 if (r1.providerInfo != null) { 11217 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11218 } 11219 return 0; 11220 } 11221 }; 11222 11223 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11224 new Comparator<ProviderInfo>() { 11225 public int compare(ProviderInfo p1, ProviderInfo p2) { 11226 final int v1 = p1.initOrder; 11227 final int v2 = p2.initOrder; 11228 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11229 } 11230 }; 11231 11232 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11233 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11234 final int[] userIds) { 11235 mHandler.post(new Runnable() { 11236 @Override 11237 public void run() { 11238 try { 11239 final IActivityManager am = ActivityManagerNative.getDefault(); 11240 if (am == null) return; 11241 final int[] resolvedUserIds; 11242 if (userIds == null) { 11243 resolvedUserIds = am.getRunningUserIds(); 11244 } else { 11245 resolvedUserIds = userIds; 11246 } 11247 for (int id : resolvedUserIds) { 11248 final Intent intent = new Intent(action, 11249 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11250 if (extras != null) { 11251 intent.putExtras(extras); 11252 } 11253 if (targetPkg != null) { 11254 intent.setPackage(targetPkg); 11255 } 11256 // Modify the UID when posting to other users 11257 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11258 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11259 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11260 intent.putExtra(Intent.EXTRA_UID, uid); 11261 } 11262 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11263 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11264 if (DEBUG_BROADCASTS) { 11265 RuntimeException here = new RuntimeException("here"); 11266 here.fillInStackTrace(); 11267 Slog.d(TAG, "Sending to user " + id + ": " 11268 + intent.toShortString(false, true, false, false) 11269 + " " + intent.getExtras(), here); 11270 } 11271 am.broadcastIntent(null, intent, null, finishedReceiver, 11272 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11273 null, finishedReceiver != null, false, id); 11274 } 11275 } catch (RemoteException ex) { 11276 } 11277 } 11278 }); 11279 } 11280 11281 /** 11282 * Check if the external storage media is available. This is true if there 11283 * is a mounted external storage medium or if the external storage is 11284 * emulated. 11285 */ 11286 private boolean isExternalMediaAvailable() { 11287 return mMediaMounted || Environment.isExternalStorageEmulated(); 11288 } 11289 11290 @Override 11291 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11292 // writer 11293 synchronized (mPackages) { 11294 if (!isExternalMediaAvailable()) { 11295 // If the external storage is no longer mounted at this point, 11296 // the caller may not have been able to delete all of this 11297 // packages files and can not delete any more. Bail. 11298 return null; 11299 } 11300 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11301 if (lastPackage != null) { 11302 pkgs.remove(lastPackage); 11303 } 11304 if (pkgs.size() > 0) { 11305 return pkgs.get(0); 11306 } 11307 } 11308 return null; 11309 } 11310 11311 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11312 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11313 userId, andCode ? 1 : 0, packageName); 11314 if (mSystemReady) { 11315 msg.sendToTarget(); 11316 } else { 11317 if (mPostSystemReadyMessages == null) { 11318 mPostSystemReadyMessages = new ArrayList<>(); 11319 } 11320 mPostSystemReadyMessages.add(msg); 11321 } 11322 } 11323 11324 void startCleaningPackages() { 11325 // reader 11326 if (!isExternalMediaAvailable()) { 11327 return; 11328 } 11329 synchronized (mPackages) { 11330 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11331 return; 11332 } 11333 } 11334 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11335 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11336 IActivityManager am = ActivityManagerNative.getDefault(); 11337 if (am != null) { 11338 try { 11339 am.startService(null, intent, null, mContext.getOpPackageName(), 11340 UserHandle.USER_SYSTEM); 11341 } catch (RemoteException e) { 11342 } 11343 } 11344 } 11345 11346 @Override 11347 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11348 int installFlags, String installerPackageName, int userId) { 11349 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11350 11351 final int callingUid = Binder.getCallingUid(); 11352 enforceCrossUserPermission(callingUid, userId, 11353 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11354 11355 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11356 try { 11357 if (observer != null) { 11358 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11359 } 11360 } catch (RemoteException re) { 11361 } 11362 return; 11363 } 11364 11365 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11366 installFlags |= PackageManager.INSTALL_FROM_ADB; 11367 11368 } else { 11369 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11370 // about installerPackageName. 11371 11372 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11373 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11374 } 11375 11376 UserHandle user; 11377 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11378 user = UserHandle.ALL; 11379 } else { 11380 user = new UserHandle(userId); 11381 } 11382 11383 // Only system components can circumvent runtime permissions when installing. 11384 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11385 && mContext.checkCallingOrSelfPermission(Manifest.permission 11386 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11387 throw new SecurityException("You need the " 11388 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11389 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11390 } 11391 11392 final File originFile = new File(originPath); 11393 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11394 11395 final Message msg = mHandler.obtainMessage(INIT_COPY); 11396 final VerificationInfo verificationInfo = new VerificationInfo( 11397 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11398 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11399 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11400 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11401 null /*certificates*/); 11402 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11403 msg.obj = params; 11404 11405 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11406 System.identityHashCode(msg.obj)); 11407 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11408 System.identityHashCode(msg.obj)); 11409 11410 mHandler.sendMessage(msg); 11411 } 11412 11413 void installStage(String packageName, File stagedDir, String stagedCid, 11414 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11415 String installerPackageName, int installerUid, UserHandle user, 11416 Certificate[][] certificates) { 11417 if (DEBUG_EPHEMERAL) { 11418 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11419 Slog.d(TAG, "Ephemeral install of " + packageName); 11420 } 11421 } 11422 final VerificationInfo verificationInfo = new VerificationInfo( 11423 sessionParams.originatingUri, sessionParams.referrerUri, 11424 sessionParams.originatingUid, installerUid); 11425 11426 final OriginInfo origin; 11427 if (stagedDir != null) { 11428 origin = OriginInfo.fromStagedFile(stagedDir); 11429 } else { 11430 origin = OriginInfo.fromStagedContainer(stagedCid); 11431 } 11432 11433 final Message msg = mHandler.obtainMessage(INIT_COPY); 11434 final InstallParams params = new InstallParams(origin, null, observer, 11435 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11436 verificationInfo, user, sessionParams.abiOverride, 11437 sessionParams.grantedRuntimePermissions, certificates); 11438 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11439 msg.obj = params; 11440 11441 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11442 System.identityHashCode(msg.obj)); 11443 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11444 System.identityHashCode(msg.obj)); 11445 11446 mHandler.sendMessage(msg); 11447 } 11448 11449 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11450 int userId) { 11451 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11452 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11453 } 11454 11455 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11456 int appId, int userId) { 11457 Bundle extras = new Bundle(1); 11458 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11459 11460 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11461 packageName, extras, 0, null, null, new int[] {userId}); 11462 try { 11463 IActivityManager am = ActivityManagerNative.getDefault(); 11464 if (isSystem && am.isUserRunning(userId, 0)) { 11465 // The just-installed/enabled app is bundled on the system, so presumed 11466 // to be able to run automatically without needing an explicit launch. 11467 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11468 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11469 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11470 .setPackage(packageName); 11471 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11472 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11473 } 11474 } catch (RemoteException e) { 11475 // shouldn't happen 11476 Slog.w(TAG, "Unable to bootstrap installed package", e); 11477 } 11478 } 11479 11480 @Override 11481 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11482 int userId) { 11483 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11484 PackageSetting pkgSetting; 11485 final int uid = Binder.getCallingUid(); 11486 enforceCrossUserPermission(uid, userId, 11487 true /* requireFullPermission */, true /* checkShell */, 11488 "setApplicationHiddenSetting for user " + userId); 11489 11490 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11491 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11492 return false; 11493 } 11494 11495 long callingId = Binder.clearCallingIdentity(); 11496 try { 11497 boolean sendAdded = false; 11498 boolean sendRemoved = false; 11499 // writer 11500 synchronized (mPackages) { 11501 pkgSetting = mSettings.mPackages.get(packageName); 11502 if (pkgSetting == null) { 11503 return false; 11504 } 11505 if (pkgSetting.getHidden(userId) != hidden) { 11506 pkgSetting.setHidden(hidden, userId); 11507 mSettings.writePackageRestrictionsLPr(userId); 11508 if (hidden) { 11509 sendRemoved = true; 11510 } else { 11511 sendAdded = true; 11512 } 11513 } 11514 } 11515 if (sendAdded) { 11516 sendPackageAddedForUser(packageName, pkgSetting, userId); 11517 return true; 11518 } 11519 if (sendRemoved) { 11520 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11521 "hiding pkg"); 11522 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11523 return true; 11524 } 11525 } finally { 11526 Binder.restoreCallingIdentity(callingId); 11527 } 11528 return false; 11529 } 11530 11531 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11532 int userId) { 11533 final PackageRemovedInfo info = new PackageRemovedInfo(); 11534 info.removedPackage = packageName; 11535 info.removedUsers = new int[] {userId}; 11536 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11537 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11538 } 11539 11540 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11541 if (pkgList.length > 0) { 11542 Bundle extras = new Bundle(1); 11543 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11544 11545 sendPackageBroadcast( 11546 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11547 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11548 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11549 new int[] {userId}); 11550 } 11551 } 11552 11553 /** 11554 * Returns true if application is not found or there was an error. Otherwise it returns 11555 * the hidden state of the package for the given user. 11556 */ 11557 @Override 11558 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11559 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11560 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11561 true /* requireFullPermission */, false /* checkShell */, 11562 "getApplicationHidden for user " + userId); 11563 PackageSetting pkgSetting; 11564 long callingId = Binder.clearCallingIdentity(); 11565 try { 11566 // writer 11567 synchronized (mPackages) { 11568 pkgSetting = mSettings.mPackages.get(packageName); 11569 if (pkgSetting == null) { 11570 return true; 11571 } 11572 return pkgSetting.getHidden(userId); 11573 } 11574 } finally { 11575 Binder.restoreCallingIdentity(callingId); 11576 } 11577 } 11578 11579 /** 11580 * @hide 11581 */ 11582 @Override 11583 public int installExistingPackageAsUser(String packageName, int userId) { 11584 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11585 null); 11586 PackageSetting pkgSetting; 11587 final int uid = Binder.getCallingUid(); 11588 enforceCrossUserPermission(uid, userId, 11589 true /* requireFullPermission */, true /* checkShell */, 11590 "installExistingPackage for user " + userId); 11591 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11592 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11593 } 11594 11595 long callingId = Binder.clearCallingIdentity(); 11596 try { 11597 boolean installed = false; 11598 11599 // writer 11600 synchronized (mPackages) { 11601 pkgSetting = mSettings.mPackages.get(packageName); 11602 if (pkgSetting == null) { 11603 return PackageManager.INSTALL_FAILED_INVALID_URI; 11604 } 11605 if (!pkgSetting.getInstalled(userId)) { 11606 pkgSetting.setInstalled(true, userId); 11607 pkgSetting.setHidden(false, userId); 11608 mSettings.writePackageRestrictionsLPr(userId); 11609 installed = true; 11610 } 11611 } 11612 11613 if (installed) { 11614 if (pkgSetting.pkg != null) { 11615 synchronized (mInstallLock) { 11616 // We don't need to freeze for a brand new install 11617 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11618 } 11619 } 11620 sendPackageAddedForUser(packageName, pkgSetting, userId); 11621 } 11622 } finally { 11623 Binder.restoreCallingIdentity(callingId); 11624 } 11625 11626 return PackageManager.INSTALL_SUCCEEDED; 11627 } 11628 11629 boolean isUserRestricted(int userId, String restrictionKey) { 11630 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11631 if (restrictions.getBoolean(restrictionKey, false)) { 11632 Log.w(TAG, "User is restricted: " + restrictionKey); 11633 return true; 11634 } 11635 return false; 11636 } 11637 11638 @Override 11639 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11640 int userId) { 11641 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11642 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11643 true /* requireFullPermission */, true /* checkShell */, 11644 "setPackagesSuspended for user " + userId); 11645 11646 if (ArrayUtils.isEmpty(packageNames)) { 11647 return packageNames; 11648 } 11649 11650 // List of package names for whom the suspended state has changed. 11651 List<String> changedPackages = new ArrayList<>(packageNames.length); 11652 // List of package names for whom the suspended state is not set as requested in this 11653 // method. 11654 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11655 long callingId = Binder.clearCallingIdentity(); 11656 try { 11657 for (int i = 0; i < packageNames.length; i++) { 11658 String packageName = packageNames[i]; 11659 boolean changed = false; 11660 final int appId; 11661 synchronized (mPackages) { 11662 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11663 if (pkgSetting == null) { 11664 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11665 + "\". Skipping suspending/un-suspending."); 11666 unactionedPackages.add(packageName); 11667 continue; 11668 } 11669 appId = pkgSetting.appId; 11670 if (pkgSetting.getSuspended(userId) != suspended) { 11671 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11672 unactionedPackages.add(packageName); 11673 continue; 11674 } 11675 pkgSetting.setSuspended(suspended, userId); 11676 mSettings.writePackageRestrictionsLPr(userId); 11677 changed = true; 11678 changedPackages.add(packageName); 11679 } 11680 } 11681 11682 if (changed && suspended) { 11683 killApplication(packageName, UserHandle.getUid(userId, appId), 11684 "suspending package"); 11685 } 11686 } 11687 } finally { 11688 Binder.restoreCallingIdentity(callingId); 11689 } 11690 11691 if (!changedPackages.isEmpty()) { 11692 sendPackagesSuspendedForUser(changedPackages.toArray( 11693 new String[changedPackages.size()]), userId, suspended); 11694 } 11695 11696 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11697 } 11698 11699 @Override 11700 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11701 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11702 true /* requireFullPermission */, false /* checkShell */, 11703 "isPackageSuspendedForUser for user " + userId); 11704 synchronized (mPackages) { 11705 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11706 if (pkgSetting == null) { 11707 throw new IllegalArgumentException("Unknown target package: " + packageName); 11708 } 11709 return pkgSetting.getSuspended(userId); 11710 } 11711 } 11712 11713 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11714 if (isPackageDeviceAdmin(packageName, userId)) { 11715 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11716 + "\": has an active device admin"); 11717 return false; 11718 } 11719 11720 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11721 if (packageName.equals(activeLauncherPackageName)) { 11722 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11723 + "\": contains the active launcher"); 11724 return false; 11725 } 11726 11727 if (packageName.equals(mRequiredInstallerPackage)) { 11728 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11729 + "\": required for package installation"); 11730 return false; 11731 } 11732 11733 if (packageName.equals(mRequiredVerifierPackage)) { 11734 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11735 + "\": required for package verification"); 11736 return false; 11737 } 11738 11739 if (packageName.equals(getDefaultDialerPackageName(userId))) { 11740 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11741 + "\": is the default dialer"); 11742 return false; 11743 } 11744 11745 return true; 11746 } 11747 11748 private String getActiveLauncherPackageName(int userId) { 11749 Intent intent = new Intent(Intent.ACTION_MAIN); 11750 intent.addCategory(Intent.CATEGORY_HOME); 11751 ResolveInfo resolveInfo = resolveIntent( 11752 intent, 11753 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11754 PackageManager.MATCH_DEFAULT_ONLY, 11755 userId); 11756 11757 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11758 } 11759 11760 private String getDefaultDialerPackageName(int userId) { 11761 synchronized (mPackages) { 11762 return mSettings.getDefaultDialerPackageNameLPw(userId); 11763 } 11764 } 11765 11766 @Override 11767 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11768 mContext.enforceCallingOrSelfPermission( 11769 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11770 "Only package verification agents can verify applications"); 11771 11772 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11773 final PackageVerificationResponse response = new PackageVerificationResponse( 11774 verificationCode, Binder.getCallingUid()); 11775 msg.arg1 = id; 11776 msg.obj = response; 11777 mHandler.sendMessage(msg); 11778 } 11779 11780 @Override 11781 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11782 long millisecondsToDelay) { 11783 mContext.enforceCallingOrSelfPermission( 11784 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11785 "Only package verification agents can extend verification timeouts"); 11786 11787 final PackageVerificationState state = mPendingVerification.get(id); 11788 final PackageVerificationResponse response = new PackageVerificationResponse( 11789 verificationCodeAtTimeout, Binder.getCallingUid()); 11790 11791 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11792 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11793 } 11794 if (millisecondsToDelay < 0) { 11795 millisecondsToDelay = 0; 11796 } 11797 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11798 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11799 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11800 } 11801 11802 if ((state != null) && !state.timeoutExtended()) { 11803 state.extendTimeout(); 11804 11805 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11806 msg.arg1 = id; 11807 msg.obj = response; 11808 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11809 } 11810 } 11811 11812 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11813 int verificationCode, UserHandle user) { 11814 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11815 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11816 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11817 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11818 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11819 11820 mContext.sendBroadcastAsUser(intent, user, 11821 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11822 } 11823 11824 private ComponentName matchComponentForVerifier(String packageName, 11825 List<ResolveInfo> receivers) { 11826 ActivityInfo targetReceiver = null; 11827 11828 final int NR = receivers.size(); 11829 for (int i = 0; i < NR; i++) { 11830 final ResolveInfo info = receivers.get(i); 11831 if (info.activityInfo == null) { 11832 continue; 11833 } 11834 11835 if (packageName.equals(info.activityInfo.packageName)) { 11836 targetReceiver = info.activityInfo; 11837 break; 11838 } 11839 } 11840 11841 if (targetReceiver == null) { 11842 return null; 11843 } 11844 11845 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11846 } 11847 11848 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11849 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11850 if (pkgInfo.verifiers.length == 0) { 11851 return null; 11852 } 11853 11854 final int N = pkgInfo.verifiers.length; 11855 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11856 for (int i = 0; i < N; i++) { 11857 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11858 11859 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11860 receivers); 11861 if (comp == null) { 11862 continue; 11863 } 11864 11865 final int verifierUid = getUidForVerifier(verifierInfo); 11866 if (verifierUid == -1) { 11867 continue; 11868 } 11869 11870 if (DEBUG_VERIFY) { 11871 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11872 + " with the correct signature"); 11873 } 11874 sufficientVerifiers.add(comp); 11875 verificationState.addSufficientVerifier(verifierUid); 11876 } 11877 11878 return sufficientVerifiers; 11879 } 11880 11881 private int getUidForVerifier(VerifierInfo verifierInfo) { 11882 synchronized (mPackages) { 11883 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11884 if (pkg == null) { 11885 return -1; 11886 } else if (pkg.mSignatures.length != 1) { 11887 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11888 + " has more than one signature; ignoring"); 11889 return -1; 11890 } 11891 11892 /* 11893 * If the public key of the package's signature does not match 11894 * our expected public key, then this is a different package and 11895 * we should skip. 11896 */ 11897 11898 final byte[] expectedPublicKey; 11899 try { 11900 final Signature verifierSig = pkg.mSignatures[0]; 11901 final PublicKey publicKey = verifierSig.getPublicKey(); 11902 expectedPublicKey = publicKey.getEncoded(); 11903 } catch (CertificateException e) { 11904 return -1; 11905 } 11906 11907 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11908 11909 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11910 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11911 + " does not have the expected public key; ignoring"); 11912 return -1; 11913 } 11914 11915 return pkg.applicationInfo.uid; 11916 } 11917 } 11918 11919 @Override 11920 public void finishPackageInstall(int token, boolean didLaunch) { 11921 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11922 11923 if (DEBUG_INSTALL) { 11924 Slog.v(TAG, "BM finishing package install for " + token); 11925 } 11926 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11927 11928 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 11929 mHandler.sendMessage(msg); 11930 } 11931 11932 /** 11933 * Get the verification agent timeout. 11934 * 11935 * @return verification timeout in milliseconds 11936 */ 11937 private long getVerificationTimeout() { 11938 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11939 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11940 DEFAULT_VERIFICATION_TIMEOUT); 11941 } 11942 11943 /** 11944 * Get the default verification agent response code. 11945 * 11946 * @return default verification response code 11947 */ 11948 private int getDefaultVerificationResponse() { 11949 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11950 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11951 DEFAULT_VERIFICATION_RESPONSE); 11952 } 11953 11954 /** 11955 * Check whether or not package verification has been enabled. 11956 * 11957 * @return true if verification should be performed 11958 */ 11959 private boolean isVerificationEnabled(int userId, int installFlags) { 11960 if (!DEFAULT_VERIFY_ENABLE) { 11961 return false; 11962 } 11963 // Ephemeral apps don't get the full verification treatment 11964 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11965 if (DEBUG_EPHEMERAL) { 11966 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11967 } 11968 return false; 11969 } 11970 11971 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11972 11973 // Check if installing from ADB 11974 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11975 // Do not run verification in a test harness environment 11976 if (ActivityManager.isRunningInTestHarness()) { 11977 return false; 11978 } 11979 if (ensureVerifyAppsEnabled) { 11980 return true; 11981 } 11982 // Check if the developer does not want package verification for ADB installs 11983 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11984 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11985 return false; 11986 } 11987 } 11988 11989 if (ensureVerifyAppsEnabled) { 11990 return true; 11991 } 11992 11993 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11994 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11995 } 11996 11997 @Override 11998 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11999 throws RemoteException { 12000 mContext.enforceCallingOrSelfPermission( 12001 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 12002 "Only intentfilter verification agents can verify applications"); 12003 12004 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 12005 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 12006 Binder.getCallingUid(), verificationCode, failedDomains); 12007 msg.arg1 = id; 12008 msg.obj = response; 12009 mHandler.sendMessage(msg); 12010 } 12011 12012 @Override 12013 public int getIntentVerificationStatus(String packageName, int userId) { 12014 synchronized (mPackages) { 12015 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 12016 } 12017 } 12018 12019 @Override 12020 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 12021 mContext.enforceCallingOrSelfPermission( 12022 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12023 12024 boolean result = false; 12025 synchronized (mPackages) { 12026 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 12027 } 12028 if (result) { 12029 scheduleWritePackageRestrictionsLocked(userId); 12030 } 12031 return result; 12032 } 12033 12034 @Override 12035 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 12036 String packageName) { 12037 synchronized (mPackages) { 12038 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 12039 } 12040 } 12041 12042 @Override 12043 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 12044 if (TextUtils.isEmpty(packageName)) { 12045 return ParceledListSlice.emptyList(); 12046 } 12047 synchronized (mPackages) { 12048 PackageParser.Package pkg = mPackages.get(packageName); 12049 if (pkg == null || pkg.activities == null) { 12050 return ParceledListSlice.emptyList(); 12051 } 12052 final int count = pkg.activities.size(); 12053 ArrayList<IntentFilter> result = new ArrayList<>(); 12054 for (int n=0; n<count; n++) { 12055 PackageParser.Activity activity = pkg.activities.get(n); 12056 if (activity.intents != null && activity.intents.size() > 0) { 12057 result.addAll(activity.intents); 12058 } 12059 } 12060 return new ParceledListSlice<>(result); 12061 } 12062 } 12063 12064 @Override 12065 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 12066 mContext.enforceCallingOrSelfPermission( 12067 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 12068 12069 synchronized (mPackages) { 12070 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 12071 if (packageName != null) { 12072 result |= updateIntentVerificationStatus(packageName, 12073 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 12074 userId); 12075 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 12076 packageName, userId); 12077 } 12078 return result; 12079 } 12080 } 12081 12082 @Override 12083 public String getDefaultBrowserPackageName(int userId) { 12084 synchronized (mPackages) { 12085 return mSettings.getDefaultBrowserPackageNameLPw(userId); 12086 } 12087 } 12088 12089 /** 12090 * Get the "allow unknown sources" setting. 12091 * 12092 * @return the current "allow unknown sources" setting 12093 */ 12094 private int getUnknownSourcesSettings() { 12095 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 12096 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 12097 -1); 12098 } 12099 12100 @Override 12101 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 12102 final int uid = Binder.getCallingUid(); 12103 // writer 12104 synchronized (mPackages) { 12105 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 12106 if (targetPackageSetting == null) { 12107 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 12108 } 12109 12110 PackageSetting installerPackageSetting; 12111 if (installerPackageName != null) { 12112 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 12113 if (installerPackageSetting == null) { 12114 throw new IllegalArgumentException("Unknown installer package: " 12115 + installerPackageName); 12116 } 12117 } else { 12118 installerPackageSetting = null; 12119 } 12120 12121 Signature[] callerSignature; 12122 Object obj = mSettings.getUserIdLPr(uid); 12123 if (obj != null) { 12124 if (obj instanceof SharedUserSetting) { 12125 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 12126 } else if (obj instanceof PackageSetting) { 12127 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 12128 } else { 12129 throw new SecurityException("Bad object " + obj + " for uid " + uid); 12130 } 12131 } else { 12132 throw new SecurityException("Unknown calling UID: " + uid); 12133 } 12134 12135 // Verify: can't set installerPackageName to a package that is 12136 // not signed with the same cert as the caller. 12137 if (installerPackageSetting != null) { 12138 if (compareSignatures(callerSignature, 12139 installerPackageSetting.signatures.mSignatures) 12140 != PackageManager.SIGNATURE_MATCH) { 12141 throw new SecurityException( 12142 "Caller does not have same cert as new installer package " 12143 + installerPackageName); 12144 } 12145 } 12146 12147 // Verify: if target already has an installer package, it must 12148 // be signed with the same cert as the caller. 12149 if (targetPackageSetting.installerPackageName != null) { 12150 PackageSetting setting = mSettings.mPackages.get( 12151 targetPackageSetting.installerPackageName); 12152 // If the currently set package isn't valid, then it's always 12153 // okay to change it. 12154 if (setting != null) { 12155 if (compareSignatures(callerSignature, 12156 setting.signatures.mSignatures) 12157 != PackageManager.SIGNATURE_MATCH) { 12158 throw new SecurityException( 12159 "Caller does not have same cert as old installer package " 12160 + targetPackageSetting.installerPackageName); 12161 } 12162 } 12163 } 12164 12165 // Okay! 12166 targetPackageSetting.installerPackageName = installerPackageName; 12167 if (installerPackageName != null) { 12168 mSettings.mInstallerPackages.add(installerPackageName); 12169 } 12170 scheduleWriteSettingsLocked(); 12171 } 12172 } 12173 12174 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 12175 // Queue up an async operation since the package installation may take a little while. 12176 mHandler.post(new Runnable() { 12177 public void run() { 12178 mHandler.removeCallbacks(this); 12179 // Result object to be returned 12180 PackageInstalledInfo res = new PackageInstalledInfo(); 12181 res.setReturnCode(currentStatus); 12182 res.uid = -1; 12183 res.pkg = null; 12184 res.removedInfo = null; 12185 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12186 args.doPreInstall(res.returnCode); 12187 synchronized (mInstallLock) { 12188 installPackageTracedLI(args, res); 12189 } 12190 args.doPostInstall(res.returnCode, res.uid); 12191 } 12192 12193 // A restore should be performed at this point if (a) the install 12194 // succeeded, (b) the operation is not an update, and (c) the new 12195 // package has not opted out of backup participation. 12196 final boolean update = res.removedInfo != null 12197 && res.removedInfo.removedPackage != null; 12198 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12199 boolean doRestore = !update 12200 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12201 12202 // Set up the post-install work request bookkeeping. This will be used 12203 // and cleaned up by the post-install event handling regardless of whether 12204 // there's a restore pass performed. Token values are >= 1. 12205 int token; 12206 if (mNextInstallToken < 0) mNextInstallToken = 1; 12207 token = mNextInstallToken++; 12208 12209 PostInstallData data = new PostInstallData(args, res); 12210 mRunningInstalls.put(token, data); 12211 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12212 12213 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12214 // Pass responsibility to the Backup Manager. It will perform a 12215 // restore if appropriate, then pass responsibility back to the 12216 // Package Manager to run the post-install observer callbacks 12217 // and broadcasts. 12218 IBackupManager bm = IBackupManager.Stub.asInterface( 12219 ServiceManager.getService(Context.BACKUP_SERVICE)); 12220 if (bm != null) { 12221 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12222 + " to BM for possible restore"); 12223 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12224 try { 12225 // TODO: http://b/22388012 12226 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12227 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12228 } else { 12229 doRestore = false; 12230 } 12231 } catch (RemoteException e) { 12232 // can't happen; the backup manager is local 12233 } catch (Exception e) { 12234 Slog.e(TAG, "Exception trying to enqueue restore", e); 12235 doRestore = false; 12236 } 12237 } else { 12238 Slog.e(TAG, "Backup Manager not found!"); 12239 doRestore = false; 12240 } 12241 } 12242 12243 if (!doRestore) { 12244 // No restore possible, or the Backup Manager was mysteriously not 12245 // available -- just fire the post-install work request directly. 12246 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12247 12248 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12249 12250 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12251 mHandler.sendMessage(msg); 12252 } 12253 } 12254 }); 12255 } 12256 12257 /** 12258 * Callback from PackageSettings whenever an app is first transitioned out of the 12259 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 12260 * the app was "launched" for a restoreAtInstall operation. Therefore we check 12261 * here whether the app is the target of an ongoing install, and only send the 12262 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 12263 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 12264 * handling. 12265 */ 12266 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 12267 // Serialize this with the rest of the install-process message chain. In the 12268 // restore-at-install case, this Runnable will necessarily run before the 12269 // POST_INSTALL message is processed, so the contents of mRunningInstalls 12270 // are coherent. In the non-restore case, the app has already completed install 12271 // and been launched through some other means, so it is not in a problematic 12272 // state for observers to see the FIRST_LAUNCH signal. 12273 mHandler.post(new Runnable() { 12274 @Override 12275 public void run() { 12276 for (int i = 0; i < mRunningInstalls.size(); i++) { 12277 final PostInstallData data = mRunningInstalls.valueAt(i); 12278 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 12279 // right package; but is it for the right user? 12280 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 12281 if (userId == data.res.newUsers[uIndex]) { 12282 if (DEBUG_BACKUP) { 12283 Slog.i(TAG, "Package " + pkgName 12284 + " being restored so deferring FIRST_LAUNCH"); 12285 } 12286 return; 12287 } 12288 } 12289 } 12290 } 12291 // didn't find it, so not being restored 12292 if (DEBUG_BACKUP) { 12293 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 12294 } 12295 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 12296 } 12297 }); 12298 } 12299 12300 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 12301 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 12302 installerPkg, null, userIds); 12303 } 12304 12305 private abstract class HandlerParams { 12306 private static final int MAX_RETRIES = 4; 12307 12308 /** 12309 * Number of times startCopy() has been attempted and had a non-fatal 12310 * error. 12311 */ 12312 private int mRetries = 0; 12313 12314 /** User handle for the user requesting the information or installation. */ 12315 private final UserHandle mUser; 12316 String traceMethod; 12317 int traceCookie; 12318 12319 HandlerParams(UserHandle user) { 12320 mUser = user; 12321 } 12322 12323 UserHandle getUser() { 12324 return mUser; 12325 } 12326 12327 HandlerParams setTraceMethod(String traceMethod) { 12328 this.traceMethod = traceMethod; 12329 return this; 12330 } 12331 12332 HandlerParams setTraceCookie(int traceCookie) { 12333 this.traceCookie = traceCookie; 12334 return this; 12335 } 12336 12337 final boolean startCopy() { 12338 boolean res; 12339 try { 12340 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12341 12342 if (++mRetries > MAX_RETRIES) { 12343 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12344 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12345 handleServiceError(); 12346 return false; 12347 } else { 12348 handleStartCopy(); 12349 res = true; 12350 } 12351 } catch (RemoteException e) { 12352 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12353 mHandler.sendEmptyMessage(MCS_RECONNECT); 12354 res = false; 12355 } 12356 handleReturnCode(); 12357 return res; 12358 } 12359 12360 final void serviceError() { 12361 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12362 handleServiceError(); 12363 handleReturnCode(); 12364 } 12365 12366 abstract void handleStartCopy() throws RemoteException; 12367 abstract void handleServiceError(); 12368 abstract void handleReturnCode(); 12369 } 12370 12371 class MeasureParams extends HandlerParams { 12372 private final PackageStats mStats; 12373 private boolean mSuccess; 12374 12375 private final IPackageStatsObserver mObserver; 12376 12377 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12378 super(new UserHandle(stats.userHandle)); 12379 mObserver = observer; 12380 mStats = stats; 12381 } 12382 12383 @Override 12384 public String toString() { 12385 return "MeasureParams{" 12386 + Integer.toHexString(System.identityHashCode(this)) 12387 + " " + mStats.packageName + "}"; 12388 } 12389 12390 @Override 12391 void handleStartCopy() throws RemoteException { 12392 synchronized (mInstallLock) { 12393 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12394 } 12395 12396 if (mSuccess) { 12397 final boolean mounted; 12398 if (Environment.isExternalStorageEmulated()) { 12399 mounted = true; 12400 } else { 12401 final String status = Environment.getExternalStorageState(); 12402 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12403 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12404 } 12405 12406 if (mounted) { 12407 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12408 12409 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12410 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12411 12412 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12413 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12414 12415 // Always subtract cache size, since it's a subdirectory 12416 mStats.externalDataSize -= mStats.externalCacheSize; 12417 12418 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12419 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12420 12421 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12422 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12423 } 12424 } 12425 } 12426 12427 @Override 12428 void handleReturnCode() { 12429 if (mObserver != null) { 12430 try { 12431 mObserver.onGetStatsCompleted(mStats, mSuccess); 12432 } catch (RemoteException e) { 12433 Slog.i(TAG, "Observer no longer exists."); 12434 } 12435 } 12436 } 12437 12438 @Override 12439 void handleServiceError() { 12440 Slog.e(TAG, "Could not measure application " + mStats.packageName 12441 + " external storage"); 12442 } 12443 } 12444 12445 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12446 throws RemoteException { 12447 long result = 0; 12448 for (File path : paths) { 12449 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12450 } 12451 return result; 12452 } 12453 12454 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12455 for (File path : paths) { 12456 try { 12457 mcs.clearDirectory(path.getAbsolutePath()); 12458 } catch (RemoteException e) { 12459 } 12460 } 12461 } 12462 12463 static class OriginInfo { 12464 /** 12465 * Location where install is coming from, before it has been 12466 * copied/renamed into place. This could be a single monolithic APK 12467 * file, or a cluster directory. This location may be untrusted. 12468 */ 12469 final File file; 12470 final String cid; 12471 12472 /** 12473 * Flag indicating that {@link #file} or {@link #cid} has already been 12474 * staged, meaning downstream users don't need to defensively copy the 12475 * contents. 12476 */ 12477 final boolean staged; 12478 12479 /** 12480 * Flag indicating that {@link #file} or {@link #cid} is an already 12481 * installed app that is being moved. 12482 */ 12483 final boolean existing; 12484 12485 final String resolvedPath; 12486 final File resolvedFile; 12487 12488 static OriginInfo fromNothing() { 12489 return new OriginInfo(null, null, false, false); 12490 } 12491 12492 static OriginInfo fromUntrustedFile(File file) { 12493 return new OriginInfo(file, null, false, false); 12494 } 12495 12496 static OriginInfo fromExistingFile(File file) { 12497 return new OriginInfo(file, null, false, true); 12498 } 12499 12500 static OriginInfo fromStagedFile(File file) { 12501 return new OriginInfo(file, null, true, false); 12502 } 12503 12504 static OriginInfo fromStagedContainer(String cid) { 12505 return new OriginInfo(null, cid, true, false); 12506 } 12507 12508 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12509 this.file = file; 12510 this.cid = cid; 12511 this.staged = staged; 12512 this.existing = existing; 12513 12514 if (cid != null) { 12515 resolvedPath = PackageHelper.getSdDir(cid); 12516 resolvedFile = new File(resolvedPath); 12517 } else if (file != null) { 12518 resolvedPath = file.getAbsolutePath(); 12519 resolvedFile = file; 12520 } else { 12521 resolvedPath = null; 12522 resolvedFile = null; 12523 } 12524 } 12525 } 12526 12527 static class MoveInfo { 12528 final int moveId; 12529 final String fromUuid; 12530 final String toUuid; 12531 final String packageName; 12532 final String dataAppName; 12533 final int appId; 12534 final String seinfo; 12535 final int targetSdkVersion; 12536 12537 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12538 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12539 this.moveId = moveId; 12540 this.fromUuid = fromUuid; 12541 this.toUuid = toUuid; 12542 this.packageName = packageName; 12543 this.dataAppName = dataAppName; 12544 this.appId = appId; 12545 this.seinfo = seinfo; 12546 this.targetSdkVersion = targetSdkVersion; 12547 } 12548 } 12549 12550 static class VerificationInfo { 12551 /** A constant used to indicate that a uid value is not present. */ 12552 public static final int NO_UID = -1; 12553 12554 /** URI referencing where the package was downloaded from. */ 12555 final Uri originatingUri; 12556 12557 /** HTTP referrer URI associated with the originatingURI. */ 12558 final Uri referrer; 12559 12560 /** UID of the application that the install request originated from. */ 12561 final int originatingUid; 12562 12563 /** UID of application requesting the install */ 12564 final int installerUid; 12565 12566 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12567 this.originatingUri = originatingUri; 12568 this.referrer = referrer; 12569 this.originatingUid = originatingUid; 12570 this.installerUid = installerUid; 12571 } 12572 } 12573 12574 class InstallParams extends HandlerParams { 12575 final OriginInfo origin; 12576 final MoveInfo move; 12577 final IPackageInstallObserver2 observer; 12578 int installFlags; 12579 final String installerPackageName; 12580 final String volumeUuid; 12581 private InstallArgs mArgs; 12582 private int mRet; 12583 final String packageAbiOverride; 12584 final String[] grantedRuntimePermissions; 12585 final VerificationInfo verificationInfo; 12586 final Certificate[][] certificates; 12587 12588 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12589 int installFlags, String installerPackageName, String volumeUuid, 12590 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12591 String[] grantedPermissions, Certificate[][] certificates) { 12592 super(user); 12593 this.origin = origin; 12594 this.move = move; 12595 this.observer = observer; 12596 this.installFlags = installFlags; 12597 this.installerPackageName = installerPackageName; 12598 this.volumeUuid = volumeUuid; 12599 this.verificationInfo = verificationInfo; 12600 this.packageAbiOverride = packageAbiOverride; 12601 this.grantedRuntimePermissions = grantedPermissions; 12602 this.certificates = certificates; 12603 } 12604 12605 @Override 12606 public String toString() { 12607 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12608 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12609 } 12610 12611 private int installLocationPolicy(PackageInfoLite pkgLite) { 12612 String packageName = pkgLite.packageName; 12613 int installLocation = pkgLite.installLocation; 12614 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12615 // reader 12616 synchronized (mPackages) { 12617 // Currently installed package which the new package is attempting to replace or 12618 // null if no such package is installed. 12619 PackageParser.Package installedPkg = mPackages.get(packageName); 12620 // Package which currently owns the data which the new package will own if installed. 12621 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12622 // will be null whereas dataOwnerPkg will contain information about the package 12623 // which was uninstalled while keeping its data. 12624 PackageParser.Package dataOwnerPkg = installedPkg; 12625 if (dataOwnerPkg == null) { 12626 PackageSetting ps = mSettings.mPackages.get(packageName); 12627 if (ps != null) { 12628 dataOwnerPkg = ps.pkg; 12629 } 12630 } 12631 12632 if (dataOwnerPkg != null) { 12633 // If installed, the package will get access to data left on the device by its 12634 // predecessor. As a security measure, this is permited only if this is not a 12635 // version downgrade or if the predecessor package is marked as debuggable and 12636 // a downgrade is explicitly requested. 12637 // 12638 // On debuggable platform builds, downgrades are permitted even for 12639 // non-debuggable packages to make testing easier. Debuggable platform builds do 12640 // not offer security guarantees and thus it's OK to disable some security 12641 // mechanisms to make debugging/testing easier on those builds. However, even on 12642 // debuggable builds downgrades of packages are permitted only if requested via 12643 // installFlags. This is because we aim to keep the behavior of debuggable 12644 // platform builds as close as possible to the behavior of non-debuggable 12645 // platform builds. 12646 final boolean downgradeRequested = 12647 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12648 final boolean packageDebuggable = 12649 (dataOwnerPkg.applicationInfo.flags 12650 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12651 final boolean downgradePermitted = 12652 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12653 if (!downgradePermitted) { 12654 try { 12655 checkDowngrade(dataOwnerPkg, pkgLite); 12656 } catch (PackageManagerException e) { 12657 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12658 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12659 } 12660 } 12661 } 12662 12663 if (installedPkg != null) { 12664 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12665 // Check for updated system application. 12666 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12667 if (onSd) { 12668 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12669 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12670 } 12671 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12672 } else { 12673 if (onSd) { 12674 // Install flag overrides everything. 12675 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12676 } 12677 // If current upgrade specifies particular preference 12678 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12679 // Application explicitly specified internal. 12680 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12681 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12682 // App explictly prefers external. Let policy decide 12683 } else { 12684 // Prefer previous location 12685 if (isExternal(installedPkg)) { 12686 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12687 } 12688 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12689 } 12690 } 12691 } else { 12692 // Invalid install. Return error code 12693 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12694 } 12695 } 12696 } 12697 // All the special cases have been taken care of. 12698 // Return result based on recommended install location. 12699 if (onSd) { 12700 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12701 } 12702 return pkgLite.recommendedInstallLocation; 12703 } 12704 12705 /* 12706 * Invoke remote method to get package information and install 12707 * location values. Override install location based on default 12708 * policy if needed and then create install arguments based 12709 * on the install location. 12710 */ 12711 public void handleStartCopy() throws RemoteException { 12712 int ret = PackageManager.INSTALL_SUCCEEDED; 12713 12714 // If we're already staged, we've firmly committed to an install location 12715 if (origin.staged) { 12716 if (origin.file != null) { 12717 installFlags |= PackageManager.INSTALL_INTERNAL; 12718 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12719 } else if (origin.cid != null) { 12720 installFlags |= PackageManager.INSTALL_EXTERNAL; 12721 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12722 } else { 12723 throw new IllegalStateException("Invalid stage location"); 12724 } 12725 } 12726 12727 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12728 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12729 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12730 PackageInfoLite pkgLite = null; 12731 12732 if (onInt && onSd) { 12733 // Check if both bits are set. 12734 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12735 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12736 } else if (onSd && ephemeral) { 12737 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12738 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12739 } else { 12740 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12741 packageAbiOverride); 12742 12743 if (DEBUG_EPHEMERAL && ephemeral) { 12744 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12745 } 12746 12747 /* 12748 * If we have too little free space, try to free cache 12749 * before giving up. 12750 */ 12751 if (!origin.staged && pkgLite.recommendedInstallLocation 12752 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12753 // TODO: focus freeing disk space on the target device 12754 final StorageManager storage = StorageManager.from(mContext); 12755 final long lowThreshold = storage.getStorageLowBytes( 12756 Environment.getDataDirectory()); 12757 12758 final long sizeBytes = mContainerService.calculateInstalledSize( 12759 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12760 12761 try { 12762 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12763 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12764 installFlags, packageAbiOverride); 12765 } catch (InstallerException e) { 12766 Slog.w(TAG, "Failed to free cache", e); 12767 } 12768 12769 /* 12770 * The cache free must have deleted the file we 12771 * downloaded to install. 12772 * 12773 * TODO: fix the "freeCache" call to not delete 12774 * the file we care about. 12775 */ 12776 if (pkgLite.recommendedInstallLocation 12777 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12778 pkgLite.recommendedInstallLocation 12779 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12780 } 12781 } 12782 } 12783 12784 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12785 int loc = pkgLite.recommendedInstallLocation; 12786 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12787 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12788 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12789 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12790 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12791 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12792 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12793 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12794 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12795 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12796 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12797 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12798 } else { 12799 // Override with defaults if needed. 12800 loc = installLocationPolicy(pkgLite); 12801 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12802 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12803 } else if (!onSd && !onInt) { 12804 // Override install location with flags 12805 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12806 // Set the flag to install on external media. 12807 installFlags |= PackageManager.INSTALL_EXTERNAL; 12808 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12809 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12810 if (DEBUG_EPHEMERAL) { 12811 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12812 } 12813 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12814 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12815 |PackageManager.INSTALL_INTERNAL); 12816 } else { 12817 // Make sure the flag for installing on external 12818 // media is unset 12819 installFlags |= PackageManager.INSTALL_INTERNAL; 12820 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12821 } 12822 } 12823 } 12824 } 12825 12826 final InstallArgs args = createInstallArgs(this); 12827 mArgs = args; 12828 12829 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12830 // TODO: http://b/22976637 12831 // Apps installed for "all" users use the device owner to verify the app 12832 UserHandle verifierUser = getUser(); 12833 if (verifierUser == UserHandle.ALL) { 12834 verifierUser = UserHandle.SYSTEM; 12835 } 12836 12837 /* 12838 * Determine if we have any installed package verifiers. If we 12839 * do, then we'll defer to them to verify the packages. 12840 */ 12841 final int requiredUid = mRequiredVerifierPackage == null ? -1 12842 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12843 verifierUser.getIdentifier()); 12844 if (!origin.existing && requiredUid != -1 12845 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12846 final Intent verification = new Intent( 12847 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12848 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12849 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12850 PACKAGE_MIME_TYPE); 12851 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12852 12853 // Query all live verifiers based on current user state 12854 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12855 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12856 12857 if (DEBUG_VERIFY) { 12858 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12859 + verification.toString() + " with " + pkgLite.verifiers.length 12860 + " optional verifiers"); 12861 } 12862 12863 final int verificationId = mPendingVerificationToken++; 12864 12865 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12866 12867 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12868 installerPackageName); 12869 12870 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12871 installFlags); 12872 12873 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12874 pkgLite.packageName); 12875 12876 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12877 pkgLite.versionCode); 12878 12879 if (verificationInfo != null) { 12880 if (verificationInfo.originatingUri != null) { 12881 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12882 verificationInfo.originatingUri); 12883 } 12884 if (verificationInfo.referrer != null) { 12885 verification.putExtra(Intent.EXTRA_REFERRER, 12886 verificationInfo.referrer); 12887 } 12888 if (verificationInfo.originatingUid >= 0) { 12889 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12890 verificationInfo.originatingUid); 12891 } 12892 if (verificationInfo.installerUid >= 0) { 12893 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12894 verificationInfo.installerUid); 12895 } 12896 } 12897 12898 final PackageVerificationState verificationState = new PackageVerificationState( 12899 requiredUid, args); 12900 12901 mPendingVerification.append(verificationId, verificationState); 12902 12903 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12904 receivers, verificationState); 12905 12906 /* 12907 * If any sufficient verifiers were listed in the package 12908 * manifest, attempt to ask them. 12909 */ 12910 if (sufficientVerifiers != null) { 12911 final int N = sufficientVerifiers.size(); 12912 if (N == 0) { 12913 Slog.i(TAG, "Additional verifiers required, but none installed."); 12914 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12915 } else { 12916 for (int i = 0; i < N; i++) { 12917 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12918 12919 final Intent sufficientIntent = new Intent(verification); 12920 sufficientIntent.setComponent(verifierComponent); 12921 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12922 } 12923 } 12924 } 12925 12926 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12927 mRequiredVerifierPackage, receivers); 12928 if (ret == PackageManager.INSTALL_SUCCEEDED 12929 && mRequiredVerifierPackage != null) { 12930 Trace.asyncTraceBegin( 12931 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12932 /* 12933 * Send the intent to the required verification agent, 12934 * but only start the verification timeout after the 12935 * target BroadcastReceivers have run. 12936 */ 12937 verification.setComponent(requiredVerifierComponent); 12938 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12939 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12940 new BroadcastReceiver() { 12941 @Override 12942 public void onReceive(Context context, Intent intent) { 12943 final Message msg = mHandler 12944 .obtainMessage(CHECK_PENDING_VERIFICATION); 12945 msg.arg1 = verificationId; 12946 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12947 } 12948 }, null, 0, null, null); 12949 12950 /* 12951 * We don't want the copy to proceed until verification 12952 * succeeds, so null out this field. 12953 */ 12954 mArgs = null; 12955 } 12956 } else { 12957 /* 12958 * No package verification is enabled, so immediately start 12959 * the remote call to initiate copy using temporary file. 12960 */ 12961 ret = args.copyApk(mContainerService, true); 12962 } 12963 } 12964 12965 mRet = ret; 12966 } 12967 12968 @Override 12969 void handleReturnCode() { 12970 // If mArgs is null, then MCS couldn't be reached. When it 12971 // reconnects, it will try again to install. At that point, this 12972 // will succeed. 12973 if (mArgs != null) { 12974 processPendingInstall(mArgs, mRet); 12975 } 12976 } 12977 12978 @Override 12979 void handleServiceError() { 12980 mArgs = createInstallArgs(this); 12981 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12982 } 12983 12984 public boolean isForwardLocked() { 12985 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12986 } 12987 } 12988 12989 /** 12990 * Used during creation of InstallArgs 12991 * 12992 * @param installFlags package installation flags 12993 * @return true if should be installed on external storage 12994 */ 12995 private static boolean installOnExternalAsec(int installFlags) { 12996 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12997 return false; 12998 } 12999 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13000 return true; 13001 } 13002 return false; 13003 } 13004 13005 /** 13006 * Used during creation of InstallArgs 13007 * 13008 * @param installFlags package installation flags 13009 * @return true if should be installed as forward locked 13010 */ 13011 private static boolean installForwardLocked(int installFlags) { 13012 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13013 } 13014 13015 private InstallArgs createInstallArgs(InstallParams params) { 13016 if (params.move != null) { 13017 return new MoveInstallArgs(params); 13018 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 13019 return new AsecInstallArgs(params); 13020 } else { 13021 return new FileInstallArgs(params); 13022 } 13023 } 13024 13025 /** 13026 * Create args that describe an existing installed package. Typically used 13027 * when cleaning up old installs, or used as a move source. 13028 */ 13029 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 13030 String resourcePath, String[] instructionSets) { 13031 final boolean isInAsec; 13032 if (installOnExternalAsec(installFlags)) { 13033 /* Apps on SD card are always in ASEC containers. */ 13034 isInAsec = true; 13035 } else if (installForwardLocked(installFlags) 13036 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 13037 /* 13038 * Forward-locked apps are only in ASEC containers if they're the 13039 * new style 13040 */ 13041 isInAsec = true; 13042 } else { 13043 isInAsec = false; 13044 } 13045 13046 if (isInAsec) { 13047 return new AsecInstallArgs(codePath, instructionSets, 13048 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 13049 } else { 13050 return new FileInstallArgs(codePath, resourcePath, instructionSets); 13051 } 13052 } 13053 13054 static abstract class InstallArgs { 13055 /** @see InstallParams#origin */ 13056 final OriginInfo origin; 13057 /** @see InstallParams#move */ 13058 final MoveInfo move; 13059 13060 final IPackageInstallObserver2 observer; 13061 // Always refers to PackageManager flags only 13062 final int installFlags; 13063 final String installerPackageName; 13064 final String volumeUuid; 13065 final UserHandle user; 13066 final String abiOverride; 13067 final String[] installGrantPermissions; 13068 /** If non-null, drop an async trace when the install completes */ 13069 final String traceMethod; 13070 final int traceCookie; 13071 final Certificate[][] certificates; 13072 13073 // The list of instruction sets supported by this app. This is currently 13074 // only used during the rmdex() phase to clean up resources. We can get rid of this 13075 // if we move dex files under the common app path. 13076 /* nullable */ String[] instructionSets; 13077 13078 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 13079 int installFlags, String installerPackageName, String volumeUuid, 13080 UserHandle user, String[] instructionSets, 13081 String abiOverride, String[] installGrantPermissions, 13082 String traceMethod, int traceCookie, Certificate[][] certificates) { 13083 this.origin = origin; 13084 this.move = move; 13085 this.installFlags = installFlags; 13086 this.observer = observer; 13087 this.installerPackageName = installerPackageName; 13088 this.volumeUuid = volumeUuid; 13089 this.user = user; 13090 this.instructionSets = instructionSets; 13091 this.abiOverride = abiOverride; 13092 this.installGrantPermissions = installGrantPermissions; 13093 this.traceMethod = traceMethod; 13094 this.traceCookie = traceCookie; 13095 this.certificates = certificates; 13096 } 13097 13098 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 13099 abstract int doPreInstall(int status); 13100 13101 /** 13102 * Rename package into final resting place. All paths on the given 13103 * scanned package should be updated to reflect the rename. 13104 */ 13105 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 13106 abstract int doPostInstall(int status, int uid); 13107 13108 /** @see PackageSettingBase#codePathString */ 13109 abstract String getCodePath(); 13110 /** @see PackageSettingBase#resourcePathString */ 13111 abstract String getResourcePath(); 13112 13113 // Need installer lock especially for dex file removal. 13114 abstract void cleanUpResourcesLI(); 13115 abstract boolean doPostDeleteLI(boolean delete); 13116 13117 /** 13118 * Called before the source arguments are copied. This is used mostly 13119 * for MoveParams when it needs to read the source file to put it in the 13120 * destination. 13121 */ 13122 int doPreCopy() { 13123 return PackageManager.INSTALL_SUCCEEDED; 13124 } 13125 13126 /** 13127 * Called after the source arguments are copied. This is used mostly for 13128 * MoveParams when it needs to read the source file to put it in the 13129 * destination. 13130 */ 13131 int doPostCopy(int uid) { 13132 return PackageManager.INSTALL_SUCCEEDED; 13133 } 13134 13135 protected boolean isFwdLocked() { 13136 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 13137 } 13138 13139 protected boolean isExternalAsec() { 13140 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 13141 } 13142 13143 protected boolean isEphemeral() { 13144 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13145 } 13146 13147 UserHandle getUser() { 13148 return user; 13149 } 13150 } 13151 13152 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 13153 if (!allCodePaths.isEmpty()) { 13154 if (instructionSets == null) { 13155 throw new IllegalStateException("instructionSet == null"); 13156 } 13157 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 13158 for (String codePath : allCodePaths) { 13159 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 13160 try { 13161 mInstaller.rmdex(codePath, dexCodeInstructionSet); 13162 } catch (InstallerException ignored) { 13163 } 13164 } 13165 } 13166 } 13167 } 13168 13169 /** 13170 * Logic to handle installation of non-ASEC applications, including copying 13171 * and renaming logic. 13172 */ 13173 class FileInstallArgs extends InstallArgs { 13174 private File codeFile; 13175 private File resourceFile; 13176 13177 // Example topology: 13178 // /data/app/com.example/base.apk 13179 // /data/app/com.example/split_foo.apk 13180 // /data/app/com.example/lib/arm/libfoo.so 13181 // /data/app/com.example/lib/arm64/libfoo.so 13182 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 13183 13184 /** New install */ 13185 FileInstallArgs(InstallParams params) { 13186 super(params.origin, params.move, params.observer, params.installFlags, 13187 params.installerPackageName, params.volumeUuid, 13188 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 13189 params.grantedRuntimePermissions, 13190 params.traceMethod, params.traceCookie, params.certificates); 13191 if (isFwdLocked()) { 13192 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 13193 } 13194 } 13195 13196 /** Existing install */ 13197 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 13198 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 13199 null, null, null, 0, null /*certificates*/); 13200 this.codeFile = (codePath != null) ? new File(codePath) : null; 13201 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 13202 } 13203 13204 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13205 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 13206 try { 13207 return doCopyApk(imcs, temp); 13208 } finally { 13209 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13210 } 13211 } 13212 13213 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13214 if (origin.staged) { 13215 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 13216 codeFile = origin.file; 13217 resourceFile = origin.file; 13218 return PackageManager.INSTALL_SUCCEEDED; 13219 } 13220 13221 try { 13222 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 13223 final File tempDir = 13224 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 13225 codeFile = tempDir; 13226 resourceFile = tempDir; 13227 } catch (IOException e) { 13228 Slog.w(TAG, "Failed to create copy file: " + e); 13229 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 13230 } 13231 13232 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 13233 @Override 13234 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 13235 if (!FileUtils.isValidExtFilename(name)) { 13236 throw new IllegalArgumentException("Invalid filename: " + name); 13237 } 13238 try { 13239 final File file = new File(codeFile, name); 13240 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 13241 O_RDWR | O_CREAT, 0644); 13242 Os.chmod(file.getAbsolutePath(), 0644); 13243 return new ParcelFileDescriptor(fd); 13244 } catch (ErrnoException e) { 13245 throw new RemoteException("Failed to open: " + e.getMessage()); 13246 } 13247 } 13248 }; 13249 13250 int ret = PackageManager.INSTALL_SUCCEEDED; 13251 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13252 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13253 Slog.e(TAG, "Failed to copy package"); 13254 return ret; 13255 } 13256 13257 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13258 NativeLibraryHelper.Handle handle = null; 13259 try { 13260 handle = NativeLibraryHelper.Handle.create(codeFile); 13261 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13262 abiOverride); 13263 } catch (IOException e) { 13264 Slog.e(TAG, "Copying native libraries failed", e); 13265 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13266 } finally { 13267 IoUtils.closeQuietly(handle); 13268 } 13269 13270 return ret; 13271 } 13272 13273 int doPreInstall(int status) { 13274 if (status != PackageManager.INSTALL_SUCCEEDED) { 13275 cleanUp(); 13276 } 13277 return status; 13278 } 13279 13280 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13281 if (status != PackageManager.INSTALL_SUCCEEDED) { 13282 cleanUp(); 13283 return false; 13284 } 13285 13286 final File targetDir = codeFile.getParentFile(); 13287 final File beforeCodeFile = codeFile; 13288 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13289 13290 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13291 try { 13292 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13293 } catch (ErrnoException e) { 13294 Slog.w(TAG, "Failed to rename", e); 13295 return false; 13296 } 13297 13298 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13299 Slog.w(TAG, "Failed to restorecon"); 13300 return false; 13301 } 13302 13303 // Reflect the rename internally 13304 codeFile = afterCodeFile; 13305 resourceFile = afterCodeFile; 13306 13307 // Reflect the rename in scanned details 13308 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13309 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13310 afterCodeFile, pkg.baseCodePath)); 13311 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13312 afterCodeFile, pkg.splitCodePaths)); 13313 13314 // Reflect the rename in app info 13315 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13316 pkg.setApplicationInfoCodePath(pkg.codePath); 13317 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13318 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13319 pkg.setApplicationInfoResourcePath(pkg.codePath); 13320 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13321 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13322 13323 return true; 13324 } 13325 13326 int doPostInstall(int status, int uid) { 13327 if (status != PackageManager.INSTALL_SUCCEEDED) { 13328 cleanUp(); 13329 } 13330 return status; 13331 } 13332 13333 @Override 13334 String getCodePath() { 13335 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13336 } 13337 13338 @Override 13339 String getResourcePath() { 13340 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13341 } 13342 13343 private boolean cleanUp() { 13344 if (codeFile == null || !codeFile.exists()) { 13345 return false; 13346 } 13347 13348 removeCodePathLI(codeFile); 13349 13350 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13351 resourceFile.delete(); 13352 } 13353 13354 return true; 13355 } 13356 13357 void cleanUpResourcesLI() { 13358 // Try enumerating all code paths before deleting 13359 List<String> allCodePaths = Collections.EMPTY_LIST; 13360 if (codeFile != null && codeFile.exists()) { 13361 try { 13362 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13363 allCodePaths = pkg.getAllCodePaths(); 13364 } catch (PackageParserException e) { 13365 // Ignored; we tried our best 13366 } 13367 } 13368 13369 cleanUp(); 13370 removeDexFiles(allCodePaths, instructionSets); 13371 } 13372 13373 boolean doPostDeleteLI(boolean delete) { 13374 // XXX err, shouldn't we respect the delete flag? 13375 cleanUpResourcesLI(); 13376 return true; 13377 } 13378 } 13379 13380 private boolean isAsecExternal(String cid) { 13381 final String asecPath = PackageHelper.getSdFilesystem(cid); 13382 return !asecPath.startsWith(mAsecInternalPath); 13383 } 13384 13385 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13386 PackageManagerException { 13387 if (copyRet < 0) { 13388 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13389 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13390 throw new PackageManagerException(copyRet, message); 13391 } 13392 } 13393 } 13394 13395 /** 13396 * Extract the MountService "container ID" from the full code path of an 13397 * .apk. 13398 */ 13399 static String cidFromCodePath(String fullCodePath) { 13400 int eidx = fullCodePath.lastIndexOf("/"); 13401 String subStr1 = fullCodePath.substring(0, eidx); 13402 int sidx = subStr1.lastIndexOf("/"); 13403 return subStr1.substring(sidx+1, eidx); 13404 } 13405 13406 /** 13407 * Logic to handle installation of ASEC applications, including copying and 13408 * renaming logic. 13409 */ 13410 class AsecInstallArgs extends InstallArgs { 13411 static final String RES_FILE_NAME = "pkg.apk"; 13412 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13413 13414 String cid; 13415 String packagePath; 13416 String resourcePath; 13417 13418 /** New install */ 13419 AsecInstallArgs(InstallParams params) { 13420 super(params.origin, params.move, params.observer, params.installFlags, 13421 params.installerPackageName, params.volumeUuid, 13422 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13423 params.grantedRuntimePermissions, 13424 params.traceMethod, params.traceCookie, params.certificates); 13425 } 13426 13427 /** Existing install */ 13428 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13429 boolean isExternal, boolean isForwardLocked) { 13430 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13431 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13432 instructionSets, null, null, null, 0, null /*certificates*/); 13433 // Hackily pretend we're still looking at a full code path 13434 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13435 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13436 } 13437 13438 // Extract cid from fullCodePath 13439 int eidx = fullCodePath.lastIndexOf("/"); 13440 String subStr1 = fullCodePath.substring(0, eidx); 13441 int sidx = subStr1.lastIndexOf("/"); 13442 cid = subStr1.substring(sidx+1, eidx); 13443 setMountPath(subStr1); 13444 } 13445 13446 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13447 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13448 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13449 instructionSets, null, null, null, 0, null /*certificates*/); 13450 this.cid = cid; 13451 setMountPath(PackageHelper.getSdDir(cid)); 13452 } 13453 13454 void createCopyFile() { 13455 cid = mInstallerService.allocateExternalStageCidLegacy(); 13456 } 13457 13458 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13459 if (origin.staged && origin.cid != null) { 13460 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13461 cid = origin.cid; 13462 setMountPath(PackageHelper.getSdDir(cid)); 13463 return PackageManager.INSTALL_SUCCEEDED; 13464 } 13465 13466 if (temp) { 13467 createCopyFile(); 13468 } else { 13469 /* 13470 * Pre-emptively destroy the container since it's destroyed if 13471 * copying fails due to it existing anyway. 13472 */ 13473 PackageHelper.destroySdDir(cid); 13474 } 13475 13476 final String newMountPath = imcs.copyPackageToContainer( 13477 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13478 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13479 13480 if (newMountPath != null) { 13481 setMountPath(newMountPath); 13482 return PackageManager.INSTALL_SUCCEEDED; 13483 } else { 13484 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13485 } 13486 } 13487 13488 @Override 13489 String getCodePath() { 13490 return packagePath; 13491 } 13492 13493 @Override 13494 String getResourcePath() { 13495 return resourcePath; 13496 } 13497 13498 int doPreInstall(int status) { 13499 if (status != PackageManager.INSTALL_SUCCEEDED) { 13500 // Destroy container 13501 PackageHelper.destroySdDir(cid); 13502 } else { 13503 boolean mounted = PackageHelper.isContainerMounted(cid); 13504 if (!mounted) { 13505 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13506 Process.SYSTEM_UID); 13507 if (newMountPath != null) { 13508 setMountPath(newMountPath); 13509 } else { 13510 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13511 } 13512 } 13513 } 13514 return status; 13515 } 13516 13517 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13518 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13519 String newMountPath = null; 13520 if (PackageHelper.isContainerMounted(cid)) { 13521 // Unmount the container 13522 if (!PackageHelper.unMountSdDir(cid)) { 13523 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13524 return false; 13525 } 13526 } 13527 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13528 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13529 " which might be stale. Will try to clean up."); 13530 // Clean up the stale container and proceed to recreate. 13531 if (!PackageHelper.destroySdDir(newCacheId)) { 13532 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13533 return false; 13534 } 13535 // Successfully cleaned up stale container. Try to rename again. 13536 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13537 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13538 + " inspite of cleaning it up."); 13539 return false; 13540 } 13541 } 13542 if (!PackageHelper.isContainerMounted(newCacheId)) { 13543 Slog.w(TAG, "Mounting container " + newCacheId); 13544 newMountPath = PackageHelper.mountSdDir(newCacheId, 13545 getEncryptKey(), Process.SYSTEM_UID); 13546 } else { 13547 newMountPath = PackageHelper.getSdDir(newCacheId); 13548 } 13549 if (newMountPath == null) { 13550 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13551 return false; 13552 } 13553 Log.i(TAG, "Succesfully renamed " + cid + 13554 " to " + newCacheId + 13555 " at new path: " + newMountPath); 13556 cid = newCacheId; 13557 13558 final File beforeCodeFile = new File(packagePath); 13559 setMountPath(newMountPath); 13560 final File afterCodeFile = new File(packagePath); 13561 13562 // Reflect the rename in scanned details 13563 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13564 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13565 afterCodeFile, pkg.baseCodePath)); 13566 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13567 afterCodeFile, pkg.splitCodePaths)); 13568 13569 // Reflect the rename in app info 13570 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13571 pkg.setApplicationInfoCodePath(pkg.codePath); 13572 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13573 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13574 pkg.setApplicationInfoResourcePath(pkg.codePath); 13575 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13576 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13577 13578 return true; 13579 } 13580 13581 private void setMountPath(String mountPath) { 13582 final File mountFile = new File(mountPath); 13583 13584 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13585 if (monolithicFile.exists()) { 13586 packagePath = monolithicFile.getAbsolutePath(); 13587 if (isFwdLocked()) { 13588 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13589 } else { 13590 resourcePath = packagePath; 13591 } 13592 } else { 13593 packagePath = mountFile.getAbsolutePath(); 13594 resourcePath = packagePath; 13595 } 13596 } 13597 13598 int doPostInstall(int status, int uid) { 13599 if (status != PackageManager.INSTALL_SUCCEEDED) { 13600 cleanUp(); 13601 } else { 13602 final int groupOwner; 13603 final String protectedFile; 13604 if (isFwdLocked()) { 13605 groupOwner = UserHandle.getSharedAppGid(uid); 13606 protectedFile = RES_FILE_NAME; 13607 } else { 13608 groupOwner = -1; 13609 protectedFile = null; 13610 } 13611 13612 if (uid < Process.FIRST_APPLICATION_UID 13613 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13614 Slog.e(TAG, "Failed to finalize " + cid); 13615 PackageHelper.destroySdDir(cid); 13616 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13617 } 13618 13619 boolean mounted = PackageHelper.isContainerMounted(cid); 13620 if (!mounted) { 13621 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13622 } 13623 } 13624 return status; 13625 } 13626 13627 private void cleanUp() { 13628 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13629 13630 // Destroy secure container 13631 PackageHelper.destroySdDir(cid); 13632 } 13633 13634 private List<String> getAllCodePaths() { 13635 final File codeFile = new File(getCodePath()); 13636 if (codeFile != null && codeFile.exists()) { 13637 try { 13638 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13639 return pkg.getAllCodePaths(); 13640 } catch (PackageParserException e) { 13641 // Ignored; we tried our best 13642 } 13643 } 13644 return Collections.EMPTY_LIST; 13645 } 13646 13647 void cleanUpResourcesLI() { 13648 // Enumerate all code paths before deleting 13649 cleanUpResourcesLI(getAllCodePaths()); 13650 } 13651 13652 private void cleanUpResourcesLI(List<String> allCodePaths) { 13653 cleanUp(); 13654 removeDexFiles(allCodePaths, instructionSets); 13655 } 13656 13657 String getPackageName() { 13658 return getAsecPackageName(cid); 13659 } 13660 13661 boolean doPostDeleteLI(boolean delete) { 13662 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13663 final List<String> allCodePaths = getAllCodePaths(); 13664 boolean mounted = PackageHelper.isContainerMounted(cid); 13665 if (mounted) { 13666 // Unmount first 13667 if (PackageHelper.unMountSdDir(cid)) { 13668 mounted = false; 13669 } 13670 } 13671 if (!mounted && delete) { 13672 cleanUpResourcesLI(allCodePaths); 13673 } 13674 return !mounted; 13675 } 13676 13677 @Override 13678 int doPreCopy() { 13679 if (isFwdLocked()) { 13680 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13681 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13682 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13683 } 13684 } 13685 13686 return PackageManager.INSTALL_SUCCEEDED; 13687 } 13688 13689 @Override 13690 int doPostCopy(int uid) { 13691 if (isFwdLocked()) { 13692 if (uid < Process.FIRST_APPLICATION_UID 13693 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13694 RES_FILE_NAME)) { 13695 Slog.e(TAG, "Failed to finalize " + cid); 13696 PackageHelper.destroySdDir(cid); 13697 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13698 } 13699 } 13700 13701 return PackageManager.INSTALL_SUCCEEDED; 13702 } 13703 } 13704 13705 /** 13706 * Logic to handle movement of existing installed applications. 13707 */ 13708 class MoveInstallArgs extends InstallArgs { 13709 private File codeFile; 13710 private File resourceFile; 13711 13712 /** New install */ 13713 MoveInstallArgs(InstallParams params) { 13714 super(params.origin, params.move, params.observer, params.installFlags, 13715 params.installerPackageName, params.volumeUuid, 13716 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13717 params.grantedRuntimePermissions, 13718 params.traceMethod, params.traceCookie, params.certificates); 13719 } 13720 13721 int copyApk(IMediaContainerService imcs, boolean temp) { 13722 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13723 + move.fromUuid + " to " + move.toUuid); 13724 synchronized (mInstaller) { 13725 try { 13726 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13727 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13728 } catch (InstallerException e) { 13729 Slog.w(TAG, "Failed to move app", e); 13730 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13731 } 13732 } 13733 13734 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13735 resourceFile = codeFile; 13736 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13737 13738 return PackageManager.INSTALL_SUCCEEDED; 13739 } 13740 13741 int doPreInstall(int status) { 13742 if (status != PackageManager.INSTALL_SUCCEEDED) { 13743 cleanUp(move.toUuid); 13744 } 13745 return status; 13746 } 13747 13748 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13749 if (status != PackageManager.INSTALL_SUCCEEDED) { 13750 cleanUp(move.toUuid); 13751 return false; 13752 } 13753 13754 // Reflect the move in app info 13755 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13756 pkg.setApplicationInfoCodePath(pkg.codePath); 13757 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13758 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13759 pkg.setApplicationInfoResourcePath(pkg.codePath); 13760 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13761 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13762 13763 return true; 13764 } 13765 13766 int doPostInstall(int status, int uid) { 13767 if (status == PackageManager.INSTALL_SUCCEEDED) { 13768 cleanUp(move.fromUuid); 13769 } else { 13770 cleanUp(move.toUuid); 13771 } 13772 return status; 13773 } 13774 13775 @Override 13776 String getCodePath() { 13777 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13778 } 13779 13780 @Override 13781 String getResourcePath() { 13782 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13783 } 13784 13785 private boolean cleanUp(String volumeUuid) { 13786 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13787 move.dataAppName); 13788 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13789 final int[] userIds = sUserManager.getUserIds(); 13790 synchronized (mInstallLock) { 13791 // Clean up both app data and code 13792 // All package moves are frozen until finished 13793 for (int userId : userIds) { 13794 try { 13795 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13796 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13797 } catch (InstallerException e) { 13798 Slog.w(TAG, String.valueOf(e)); 13799 } 13800 } 13801 removeCodePathLI(codeFile); 13802 } 13803 return true; 13804 } 13805 13806 void cleanUpResourcesLI() { 13807 throw new UnsupportedOperationException(); 13808 } 13809 13810 boolean doPostDeleteLI(boolean delete) { 13811 throw new UnsupportedOperationException(); 13812 } 13813 } 13814 13815 static String getAsecPackageName(String packageCid) { 13816 int idx = packageCid.lastIndexOf("-"); 13817 if (idx == -1) { 13818 return packageCid; 13819 } 13820 return packageCid.substring(0, idx); 13821 } 13822 13823 // Utility method used to create code paths based on package name and available index. 13824 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13825 String idxStr = ""; 13826 int idx = 1; 13827 // Fall back to default value of idx=1 if prefix is not 13828 // part of oldCodePath 13829 if (oldCodePath != null) { 13830 String subStr = oldCodePath; 13831 // Drop the suffix right away 13832 if (suffix != null && subStr.endsWith(suffix)) { 13833 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13834 } 13835 // If oldCodePath already contains prefix find out the 13836 // ending index to either increment or decrement. 13837 int sidx = subStr.lastIndexOf(prefix); 13838 if (sidx != -1) { 13839 subStr = subStr.substring(sidx + prefix.length()); 13840 if (subStr != null) { 13841 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13842 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13843 } 13844 try { 13845 idx = Integer.parseInt(subStr); 13846 if (idx <= 1) { 13847 idx++; 13848 } else { 13849 idx--; 13850 } 13851 } catch(NumberFormatException e) { 13852 } 13853 } 13854 } 13855 } 13856 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13857 return prefix + idxStr; 13858 } 13859 13860 private File getNextCodePath(File targetDir, String packageName) { 13861 int suffix = 1; 13862 File result; 13863 do { 13864 result = new File(targetDir, packageName + "-" + suffix); 13865 suffix++; 13866 } while (result.exists()); 13867 return result; 13868 } 13869 13870 // Utility method that returns the relative package path with respect 13871 // to the installation directory. Like say for /data/data/com.test-1.apk 13872 // string com.test-1 is returned. 13873 static String deriveCodePathName(String codePath) { 13874 if (codePath == null) { 13875 return null; 13876 } 13877 final File codeFile = new File(codePath); 13878 final String name = codeFile.getName(); 13879 if (codeFile.isDirectory()) { 13880 return name; 13881 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13882 final int lastDot = name.lastIndexOf('.'); 13883 return name.substring(0, lastDot); 13884 } else { 13885 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13886 return null; 13887 } 13888 } 13889 13890 static class PackageInstalledInfo { 13891 String name; 13892 int uid; 13893 // The set of users that originally had this package installed. 13894 int[] origUsers; 13895 // The set of users that now have this package installed. 13896 int[] newUsers; 13897 PackageParser.Package pkg; 13898 int returnCode; 13899 String returnMsg; 13900 PackageRemovedInfo removedInfo; 13901 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13902 13903 public void setError(int code, String msg) { 13904 setReturnCode(code); 13905 setReturnMessage(msg); 13906 Slog.w(TAG, msg); 13907 } 13908 13909 public void setError(String msg, PackageParserException e) { 13910 setReturnCode(e.error); 13911 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13912 Slog.w(TAG, msg, e); 13913 } 13914 13915 public void setError(String msg, PackageManagerException e) { 13916 returnCode = e.error; 13917 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13918 Slog.w(TAG, msg, e); 13919 } 13920 13921 public void setReturnCode(int returnCode) { 13922 this.returnCode = returnCode; 13923 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13924 for (int i = 0; i < childCount; i++) { 13925 addedChildPackages.valueAt(i).returnCode = returnCode; 13926 } 13927 } 13928 13929 private void setReturnMessage(String returnMsg) { 13930 this.returnMsg = returnMsg; 13931 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13932 for (int i = 0; i < childCount; i++) { 13933 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13934 } 13935 } 13936 13937 // In some error cases we want to convey more info back to the observer 13938 String origPackage; 13939 String origPermission; 13940 } 13941 13942 /* 13943 * Install a non-existing package. 13944 */ 13945 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13946 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13947 PackageInstalledInfo res) { 13948 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13949 13950 // Remember this for later, in case we need to rollback this install 13951 String pkgName = pkg.packageName; 13952 13953 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13954 13955 synchronized(mPackages) { 13956 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13957 // A package with the same name is already installed, though 13958 // it has been renamed to an older name. The package we 13959 // are trying to install should be installed as an update to 13960 // the existing one, but that has not been requested, so bail. 13961 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13962 + " without first uninstalling package running as " 13963 + mSettings.mRenamedPackages.get(pkgName)); 13964 return; 13965 } 13966 if (mPackages.containsKey(pkgName)) { 13967 // Don't allow installation over an existing package with the same name. 13968 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13969 + " without first uninstalling."); 13970 return; 13971 } 13972 } 13973 13974 try { 13975 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13976 System.currentTimeMillis(), user); 13977 13978 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13979 13980 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13981 prepareAppDataAfterInstallLIF(newPackage); 13982 13983 } else { 13984 // Remove package from internal structures, but keep around any 13985 // data that might have already existed 13986 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13987 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13988 } 13989 } catch (PackageManagerException e) { 13990 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13991 } 13992 13993 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13994 } 13995 13996 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13997 // Can't rotate keys during boot or if sharedUser. 13998 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13999 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 14000 return false; 14001 } 14002 // app is using upgradeKeySets; make sure all are valid 14003 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14004 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 14005 for (int i = 0; i < upgradeKeySets.length; i++) { 14006 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 14007 Slog.wtf(TAG, "Package " 14008 + (oldPs.name != null ? oldPs.name : "<null>") 14009 + " contains upgrade-key-set reference to unknown key-set: " 14010 + upgradeKeySets[i] 14011 + " reverting to signatures check."); 14012 return false; 14013 } 14014 } 14015 return true; 14016 } 14017 14018 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 14019 // Upgrade keysets are being used. Determine if new package has a superset of the 14020 // required keys. 14021 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 14022 KeySetManagerService ksms = mSettings.mKeySetManagerService; 14023 for (int i = 0; i < upgradeKeySets.length; i++) { 14024 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 14025 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 14026 return true; 14027 } 14028 } 14029 return false; 14030 } 14031 14032 private static void updateDigest(MessageDigest digest, File file) throws IOException { 14033 try (DigestInputStream digestStream = 14034 new DigestInputStream(new FileInputStream(file), digest)) { 14035 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 14036 } 14037 } 14038 14039 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 14040 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 14041 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 14042 14043 final PackageParser.Package oldPackage; 14044 final String pkgName = pkg.packageName; 14045 final int[] allUsers; 14046 final int[] installedUsers; 14047 14048 synchronized(mPackages) { 14049 oldPackage = mPackages.get(pkgName); 14050 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 14051 14052 // don't allow upgrade to target a release SDK from a pre-release SDK 14053 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 14054 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14055 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 14056 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 14057 if (oldTargetsPreRelease 14058 && !newTargetsPreRelease 14059 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 14060 Slog.w(TAG, "Can't install package targeting released sdk"); 14061 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 14062 return; 14063 } 14064 14065 // don't allow an upgrade from full to ephemeral 14066 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 14067 if (isEphemeral && !oldIsEphemeral) { 14068 // can't downgrade from full to ephemeral 14069 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 14070 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14071 return; 14072 } 14073 14074 // verify signatures are valid 14075 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14076 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14077 if (!checkUpgradeKeySetLP(ps, pkg)) { 14078 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14079 "New package not signed by keys specified by upgrade-keysets: " 14080 + pkgName); 14081 return; 14082 } 14083 } else { 14084 // default to original signature matching 14085 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 14086 != PackageManager.SIGNATURE_MATCH) { 14087 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 14088 "New package has a different signature: " + pkgName); 14089 return; 14090 } 14091 } 14092 14093 // don't allow a system upgrade unless the upgrade hash matches 14094 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 14095 byte[] digestBytes = null; 14096 try { 14097 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 14098 updateDigest(digest, new File(pkg.baseCodePath)); 14099 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 14100 for (String path : pkg.splitCodePaths) { 14101 updateDigest(digest, new File(path)); 14102 } 14103 } 14104 digestBytes = digest.digest(); 14105 } catch (NoSuchAlgorithmException | IOException e) { 14106 res.setError(INSTALL_FAILED_INVALID_APK, 14107 "Could not compute hash: " + pkgName); 14108 return; 14109 } 14110 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 14111 res.setError(INSTALL_FAILED_INVALID_APK, 14112 "New package fails restrict-update check: " + pkgName); 14113 return; 14114 } 14115 // retain upgrade restriction 14116 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 14117 } 14118 14119 // Check for shared user id changes 14120 String invalidPackageName = 14121 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 14122 if (invalidPackageName != null) { 14123 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 14124 "Package " + invalidPackageName + " tried to change user " 14125 + oldPackage.mSharedUserId); 14126 return; 14127 } 14128 14129 // In case of rollback, remember per-user/profile install state 14130 allUsers = sUserManager.getUserIds(); 14131 installedUsers = ps.queryInstalledUsers(allUsers, true); 14132 } 14133 14134 // Update what is removed 14135 res.removedInfo = new PackageRemovedInfo(); 14136 res.removedInfo.uid = oldPackage.applicationInfo.uid; 14137 res.removedInfo.removedPackage = oldPackage.packageName; 14138 res.removedInfo.isUpdate = true; 14139 res.removedInfo.origUsers = installedUsers; 14140 final int childCount = (oldPackage.childPackages != null) 14141 ? oldPackage.childPackages.size() : 0; 14142 for (int i = 0; i < childCount; i++) { 14143 boolean childPackageUpdated = false; 14144 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 14145 if (res.addedChildPackages != null) { 14146 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14147 if (childRes != null) { 14148 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 14149 childRes.removedInfo.removedPackage = childPkg.packageName; 14150 childRes.removedInfo.isUpdate = true; 14151 childPackageUpdated = true; 14152 } 14153 } 14154 if (!childPackageUpdated) { 14155 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 14156 childRemovedRes.removedPackage = childPkg.packageName; 14157 childRemovedRes.isUpdate = false; 14158 childRemovedRes.dataRemoved = true; 14159 synchronized (mPackages) { 14160 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14161 if (childPs != null) { 14162 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 14163 } 14164 } 14165 if (res.removedInfo.removedChildPackages == null) { 14166 res.removedInfo.removedChildPackages = new ArrayMap<>(); 14167 } 14168 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 14169 } 14170 } 14171 14172 boolean sysPkg = (isSystemApp(oldPackage)); 14173 if (sysPkg) { 14174 // Set the system/privileged flags as needed 14175 final boolean privileged = 14176 (oldPackage.applicationInfo.privateFlags 14177 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14178 final int systemPolicyFlags = policyFlags 14179 | PackageParser.PARSE_IS_SYSTEM 14180 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 14181 14182 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 14183 user, allUsers, installerPackageName, res); 14184 } else { 14185 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 14186 user, allUsers, installerPackageName, res); 14187 } 14188 } 14189 14190 public List<String> getPreviousCodePaths(String packageName) { 14191 final PackageSetting ps = mSettings.mPackages.get(packageName); 14192 final List<String> result = new ArrayList<String>(); 14193 if (ps != null && ps.oldCodePaths != null) { 14194 result.addAll(ps.oldCodePaths); 14195 } 14196 return result; 14197 } 14198 14199 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 14200 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14201 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14202 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 14203 + deletedPackage); 14204 14205 String pkgName = deletedPackage.packageName; 14206 boolean deletedPkg = true; 14207 boolean addedPkg = false; 14208 boolean updatedSettings = false; 14209 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 14210 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 14211 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 14212 14213 final long origUpdateTime = (pkg.mExtras != null) 14214 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 14215 14216 // First delete the existing package while retaining the data directory 14217 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14218 res.removedInfo, true, pkg)) { 14219 // If the existing package wasn't successfully deleted 14220 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 14221 deletedPkg = false; 14222 } else { 14223 // Successfully deleted the old package; proceed with replace. 14224 14225 // If deleted package lived in a container, give users a chance to 14226 // relinquish resources before killing. 14227 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 14228 if (DEBUG_INSTALL) { 14229 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 14230 } 14231 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 14232 final ArrayList<String> pkgList = new ArrayList<String>(1); 14233 pkgList.add(deletedPackage.applicationInfo.packageName); 14234 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 14235 } 14236 14237 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14238 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14239 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14240 14241 try { 14242 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 14243 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 14244 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14245 14246 // Update the in-memory copy of the previous code paths. 14247 PackageSetting ps = mSettings.mPackages.get(pkgName); 14248 if (!killApp) { 14249 if (ps.oldCodePaths == null) { 14250 ps.oldCodePaths = new ArraySet<>(); 14251 } 14252 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 14253 if (deletedPackage.splitCodePaths != null) { 14254 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 14255 } 14256 } else { 14257 ps.oldCodePaths = null; 14258 } 14259 if (ps.childPackageNames != null) { 14260 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 14261 final String childPkgName = ps.childPackageNames.get(i); 14262 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 14263 childPs.oldCodePaths = ps.oldCodePaths; 14264 } 14265 } 14266 prepareAppDataAfterInstallLIF(newPackage); 14267 addedPkg = true; 14268 } catch (PackageManagerException e) { 14269 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14270 } 14271 } 14272 14273 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14274 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14275 14276 // Revert all internal state mutations and added folders for the failed install 14277 if (addedPkg) { 14278 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14279 res.removedInfo, true, null); 14280 } 14281 14282 // Restore the old package 14283 if (deletedPkg) { 14284 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14285 File restoreFile = new File(deletedPackage.codePath); 14286 // Parse old package 14287 boolean oldExternal = isExternal(deletedPackage); 14288 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14289 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14290 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14291 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14292 try { 14293 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14294 null); 14295 } catch (PackageManagerException e) { 14296 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14297 + e.getMessage()); 14298 return; 14299 } 14300 14301 synchronized (mPackages) { 14302 // Ensure the installer package name up to date 14303 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14304 14305 // Update permissions for restored package 14306 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14307 14308 mSettings.writeLPr(); 14309 } 14310 14311 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14312 } 14313 } else { 14314 synchronized (mPackages) { 14315 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14316 if (ps != null) { 14317 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14318 if (res.removedInfo.removedChildPackages != null) { 14319 final int childCount = res.removedInfo.removedChildPackages.size(); 14320 // Iterate in reverse as we may modify the collection 14321 for (int i = childCount - 1; i >= 0; i--) { 14322 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14323 if (res.addedChildPackages.containsKey(childPackageName)) { 14324 res.removedInfo.removedChildPackages.removeAt(i); 14325 } else { 14326 PackageRemovedInfo childInfo = res.removedInfo 14327 .removedChildPackages.valueAt(i); 14328 childInfo.removedForAllUsers = mPackages.get( 14329 childInfo.removedPackage) == null; 14330 } 14331 } 14332 } 14333 } 14334 } 14335 } 14336 } 14337 14338 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14339 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14340 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14341 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14342 + ", old=" + deletedPackage); 14343 14344 final boolean disabledSystem; 14345 14346 // Remove existing system package 14347 removePackageLI(deletedPackage, true); 14348 14349 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14350 if (!disabledSystem) { 14351 // We didn't need to disable the .apk as a current system package, 14352 // which means we are replacing another update that is already 14353 // installed. We need to make sure to delete the older one's .apk. 14354 res.removedInfo.args = createInstallArgsForExisting(0, 14355 deletedPackage.applicationInfo.getCodePath(), 14356 deletedPackage.applicationInfo.getResourcePath(), 14357 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14358 } else { 14359 res.removedInfo.args = null; 14360 } 14361 14362 // Successfully disabled the old package. Now proceed with re-installation 14363 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14364 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14365 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 14366 14367 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14368 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14369 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14370 14371 PackageParser.Package newPackage = null; 14372 try { 14373 // Add the package to the internal data structures 14374 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14375 14376 // Set the update and install times 14377 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14378 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14379 System.currentTimeMillis()); 14380 14381 // Update the package dynamic state if succeeded 14382 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14383 // Now that the install succeeded make sure we remove data 14384 // directories for any child package the update removed. 14385 final int deletedChildCount = (deletedPackage.childPackages != null) 14386 ? deletedPackage.childPackages.size() : 0; 14387 final int newChildCount = (newPackage.childPackages != null) 14388 ? newPackage.childPackages.size() : 0; 14389 for (int i = 0; i < deletedChildCount; i++) { 14390 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14391 boolean childPackageDeleted = true; 14392 for (int j = 0; j < newChildCount; j++) { 14393 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14394 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14395 childPackageDeleted = false; 14396 break; 14397 } 14398 } 14399 if (childPackageDeleted) { 14400 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14401 deletedChildPkg.packageName); 14402 if (ps != null && res.removedInfo.removedChildPackages != null) { 14403 PackageRemovedInfo removedChildRes = res.removedInfo 14404 .removedChildPackages.get(deletedChildPkg.packageName); 14405 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14406 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14407 } 14408 } 14409 } 14410 14411 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14412 prepareAppDataAfterInstallLIF(newPackage); 14413 } 14414 } catch (PackageManagerException e) { 14415 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14416 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14417 } 14418 14419 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14420 // Re installation failed. Restore old information 14421 // Remove new pkg information 14422 if (newPackage != null) { 14423 removeInstalledPackageLI(newPackage, true); 14424 } 14425 // Add back the old system package 14426 try { 14427 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14428 } catch (PackageManagerException e) { 14429 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14430 } 14431 14432 synchronized (mPackages) { 14433 if (disabledSystem) { 14434 enableSystemPackageLPw(deletedPackage); 14435 } 14436 14437 // Ensure the installer package name up to date 14438 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14439 14440 // Update permissions for restored package 14441 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14442 14443 mSettings.writeLPr(); 14444 } 14445 14446 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14447 + " after failed upgrade"); 14448 } 14449 } 14450 14451 /** 14452 * Checks whether the parent or any of the child packages have a change shared 14453 * user. For a package to be a valid update the shred users of the parent and 14454 * the children should match. We may later support changing child shared users. 14455 * @param oldPkg The updated package. 14456 * @param newPkg The update package. 14457 * @return The shared user that change between the versions. 14458 */ 14459 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14460 PackageParser.Package newPkg) { 14461 // Check parent shared user 14462 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14463 return newPkg.packageName; 14464 } 14465 // Check child shared users 14466 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14467 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14468 for (int i = 0; i < newChildCount; i++) { 14469 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14470 // If this child was present, did it have the same shared user? 14471 for (int j = 0; j < oldChildCount; j++) { 14472 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14473 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14474 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14475 return newChildPkg.packageName; 14476 } 14477 } 14478 } 14479 return null; 14480 } 14481 14482 private void removeNativeBinariesLI(PackageSetting ps) { 14483 // Remove the lib path for the parent package 14484 if (ps != null) { 14485 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14486 // Remove the lib path for the child packages 14487 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14488 for (int i = 0; i < childCount; i++) { 14489 PackageSetting childPs = null; 14490 synchronized (mPackages) { 14491 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14492 } 14493 if (childPs != null) { 14494 NativeLibraryHelper.removeNativeBinariesLI(childPs 14495 .legacyNativeLibraryPathString); 14496 } 14497 } 14498 } 14499 } 14500 14501 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14502 // Enable the parent package 14503 mSettings.enableSystemPackageLPw(pkg.packageName); 14504 // Enable the child packages 14505 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14506 for (int i = 0; i < childCount; i++) { 14507 PackageParser.Package childPkg = pkg.childPackages.get(i); 14508 mSettings.enableSystemPackageLPw(childPkg.packageName); 14509 } 14510 } 14511 14512 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14513 PackageParser.Package newPkg) { 14514 // Disable the parent package (parent always replaced) 14515 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14516 // Disable the child packages 14517 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14518 for (int i = 0; i < childCount; i++) { 14519 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14520 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14521 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14522 } 14523 return disabled; 14524 } 14525 14526 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14527 String installerPackageName) { 14528 // Enable the parent package 14529 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14530 // Enable the child packages 14531 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14532 for (int i = 0; i < childCount; i++) { 14533 PackageParser.Package childPkg = pkg.childPackages.get(i); 14534 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14535 } 14536 } 14537 14538 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14539 // Collect all used permissions in the UID 14540 ArraySet<String> usedPermissions = new ArraySet<>(); 14541 final int packageCount = su.packages.size(); 14542 for (int i = 0; i < packageCount; i++) { 14543 PackageSetting ps = su.packages.valueAt(i); 14544 if (ps.pkg == null) { 14545 continue; 14546 } 14547 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14548 for (int j = 0; j < requestedPermCount; j++) { 14549 String permission = ps.pkg.requestedPermissions.get(j); 14550 BasePermission bp = mSettings.mPermissions.get(permission); 14551 if (bp != null) { 14552 usedPermissions.add(permission); 14553 } 14554 } 14555 } 14556 14557 PermissionsState permissionsState = su.getPermissionsState(); 14558 // Prune install permissions 14559 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14560 final int installPermCount = installPermStates.size(); 14561 for (int i = installPermCount - 1; i >= 0; i--) { 14562 PermissionState permissionState = installPermStates.get(i); 14563 if (!usedPermissions.contains(permissionState.getName())) { 14564 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14565 if (bp != null) { 14566 permissionsState.revokeInstallPermission(bp); 14567 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14568 PackageManager.MASK_PERMISSION_FLAGS, 0); 14569 } 14570 } 14571 } 14572 14573 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14574 14575 // Prune runtime permissions 14576 for (int userId : allUserIds) { 14577 List<PermissionState> runtimePermStates = permissionsState 14578 .getRuntimePermissionStates(userId); 14579 final int runtimePermCount = runtimePermStates.size(); 14580 for (int i = runtimePermCount - 1; i >= 0; i--) { 14581 PermissionState permissionState = runtimePermStates.get(i); 14582 if (!usedPermissions.contains(permissionState.getName())) { 14583 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14584 if (bp != null) { 14585 permissionsState.revokeRuntimePermission(bp, userId); 14586 permissionsState.updatePermissionFlags(bp, userId, 14587 PackageManager.MASK_PERMISSION_FLAGS, 0); 14588 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14589 runtimePermissionChangedUserIds, userId); 14590 } 14591 } 14592 } 14593 } 14594 14595 return runtimePermissionChangedUserIds; 14596 } 14597 14598 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14599 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14600 // Update the parent package setting 14601 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14602 res, user); 14603 // Update the child packages setting 14604 final int childCount = (newPackage.childPackages != null) 14605 ? newPackage.childPackages.size() : 0; 14606 for (int i = 0; i < childCount; i++) { 14607 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14608 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14609 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14610 childRes.origUsers, childRes, user); 14611 } 14612 } 14613 14614 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14615 String installerPackageName, int[] allUsers, int[] installedForUsers, 14616 PackageInstalledInfo res, UserHandle user) { 14617 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14618 14619 String pkgName = newPackage.packageName; 14620 synchronized (mPackages) { 14621 //write settings. the installStatus will be incomplete at this stage. 14622 //note that the new package setting would have already been 14623 //added to mPackages. It hasn't been persisted yet. 14624 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14625 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14626 mSettings.writeLPr(); 14627 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14628 } 14629 14630 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14631 synchronized (mPackages) { 14632 updatePermissionsLPw(newPackage.packageName, newPackage, 14633 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14634 ? UPDATE_PERMISSIONS_ALL : 0)); 14635 // For system-bundled packages, we assume that installing an upgraded version 14636 // of the package implies that the user actually wants to run that new code, 14637 // so we enable the package. 14638 PackageSetting ps = mSettings.mPackages.get(pkgName); 14639 final int userId = user.getIdentifier(); 14640 if (ps != null) { 14641 if (isSystemApp(newPackage)) { 14642 if (DEBUG_INSTALL) { 14643 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14644 } 14645 // Enable system package for requested users 14646 if (res.origUsers != null) { 14647 for (int origUserId : res.origUsers) { 14648 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14649 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14650 origUserId, installerPackageName); 14651 } 14652 } 14653 } 14654 // Also convey the prior install/uninstall state 14655 if (allUsers != null && installedForUsers != null) { 14656 for (int currentUserId : allUsers) { 14657 final boolean installed = ArrayUtils.contains( 14658 installedForUsers, currentUserId); 14659 if (DEBUG_INSTALL) { 14660 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14661 } 14662 ps.setInstalled(installed, currentUserId); 14663 } 14664 // these install state changes will be persisted in the 14665 // upcoming call to mSettings.writeLPr(). 14666 } 14667 } 14668 // It's implied that when a user requests installation, they want the app to be 14669 // installed and enabled. 14670 if (userId != UserHandle.USER_ALL) { 14671 ps.setInstalled(true, userId); 14672 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14673 } 14674 } 14675 res.name = pkgName; 14676 res.uid = newPackage.applicationInfo.uid; 14677 res.pkg = newPackage; 14678 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14679 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14680 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14681 //to update install status 14682 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14683 mSettings.writeLPr(); 14684 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14685 } 14686 14687 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14688 } 14689 14690 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14691 try { 14692 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14693 installPackageLI(args, res); 14694 } finally { 14695 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14696 } 14697 } 14698 14699 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14700 final int installFlags = args.installFlags; 14701 final String installerPackageName = args.installerPackageName; 14702 final String volumeUuid = args.volumeUuid; 14703 final File tmpPackageFile = new File(args.getCodePath()); 14704 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14705 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14706 || (args.volumeUuid != null)); 14707 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14708 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14709 boolean replace = false; 14710 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14711 if (args.move != null) { 14712 // moving a complete application; perform an initial scan on the new install location 14713 scanFlags |= SCAN_INITIAL; 14714 } 14715 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14716 scanFlags |= SCAN_DONT_KILL_APP; 14717 } 14718 14719 // Result object to be returned 14720 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14721 14722 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14723 14724 // Sanity check 14725 if (ephemeral && (forwardLocked || onExternal)) { 14726 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14727 + " external=" + onExternal); 14728 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14729 return; 14730 } 14731 14732 // Retrieve PackageSettings and parse package 14733 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14734 | PackageParser.PARSE_ENFORCE_CODE 14735 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14736 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14737 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14738 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14739 PackageParser pp = new PackageParser(); 14740 pp.setSeparateProcesses(mSeparateProcesses); 14741 pp.setDisplayMetrics(mMetrics); 14742 14743 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14744 final PackageParser.Package pkg; 14745 try { 14746 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14747 } catch (PackageParserException e) { 14748 res.setError("Failed parse during installPackageLI", e); 14749 return; 14750 } finally { 14751 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14752 } 14753 14754 // If we are installing a clustered package add results for the children 14755 if (pkg.childPackages != null) { 14756 synchronized (mPackages) { 14757 final int childCount = pkg.childPackages.size(); 14758 for (int i = 0; i < childCount; i++) { 14759 PackageParser.Package childPkg = pkg.childPackages.get(i); 14760 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14761 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14762 childRes.pkg = childPkg; 14763 childRes.name = childPkg.packageName; 14764 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14765 if (childPs != null) { 14766 childRes.origUsers = childPs.queryInstalledUsers( 14767 sUserManager.getUserIds(), true); 14768 } 14769 if ((mPackages.containsKey(childPkg.packageName))) { 14770 childRes.removedInfo = new PackageRemovedInfo(); 14771 childRes.removedInfo.removedPackage = childPkg.packageName; 14772 } 14773 if (res.addedChildPackages == null) { 14774 res.addedChildPackages = new ArrayMap<>(); 14775 } 14776 res.addedChildPackages.put(childPkg.packageName, childRes); 14777 } 14778 } 14779 } 14780 14781 // If package doesn't declare API override, mark that we have an install 14782 // time CPU ABI override. 14783 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14784 pkg.cpuAbiOverride = args.abiOverride; 14785 } 14786 14787 String pkgName = res.name = pkg.packageName; 14788 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14789 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14790 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14791 return; 14792 } 14793 } 14794 14795 try { 14796 // either use what we've been given or parse directly from the APK 14797 if (args.certificates != null) { 14798 try { 14799 PackageParser.populateCertificates(pkg, args.certificates); 14800 } catch (PackageParserException e) { 14801 // there was something wrong with the certificates we were given; 14802 // try to pull them from the APK 14803 PackageParser.collectCertificates(pkg, parseFlags); 14804 } 14805 } else { 14806 PackageParser.collectCertificates(pkg, parseFlags); 14807 } 14808 } catch (PackageParserException e) { 14809 res.setError("Failed collect during installPackageLI", e); 14810 return; 14811 } 14812 14813 // Get rid of all references to package scan path via parser. 14814 pp = null; 14815 String oldCodePath = null; 14816 boolean systemApp = false; 14817 synchronized (mPackages) { 14818 // Check if installing already existing package 14819 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14820 String oldName = mSettings.mRenamedPackages.get(pkgName); 14821 if (pkg.mOriginalPackages != null 14822 && pkg.mOriginalPackages.contains(oldName) 14823 && mPackages.containsKey(oldName)) { 14824 // This package is derived from an original package, 14825 // and this device has been updating from that original 14826 // name. We must continue using the original name, so 14827 // rename the new package here. 14828 pkg.setPackageName(oldName); 14829 pkgName = pkg.packageName; 14830 replace = true; 14831 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14832 + oldName + " pkgName=" + pkgName); 14833 } else if (mPackages.containsKey(pkgName)) { 14834 // This package, under its official name, already exists 14835 // on the device; we should replace it. 14836 replace = true; 14837 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14838 } 14839 14840 // Child packages are installed through the parent package 14841 if (pkg.parentPackage != null) { 14842 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14843 "Package " + pkg.packageName + " is child of package " 14844 + pkg.parentPackage.parentPackage + ". Child packages " 14845 + "can be updated only through the parent package."); 14846 return; 14847 } 14848 14849 if (replace) { 14850 // Prevent apps opting out from runtime permissions 14851 PackageParser.Package oldPackage = mPackages.get(pkgName); 14852 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14853 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14854 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14855 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14856 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14857 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14858 + " doesn't support runtime permissions but the old" 14859 + " target SDK " + oldTargetSdk + " does."); 14860 return; 14861 } 14862 14863 // Prevent installing of child packages 14864 if (oldPackage.parentPackage != null) { 14865 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14866 "Package " + pkg.packageName + " is child of package " 14867 + oldPackage.parentPackage + ". Child packages " 14868 + "can be updated only through the parent package."); 14869 return; 14870 } 14871 } 14872 } 14873 14874 PackageSetting ps = mSettings.mPackages.get(pkgName); 14875 if (ps != null) { 14876 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14877 14878 // Quick sanity check that we're signed correctly if updating; 14879 // we'll check this again later when scanning, but we want to 14880 // bail early here before tripping over redefined permissions. 14881 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14882 if (!checkUpgradeKeySetLP(ps, pkg)) { 14883 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14884 + pkg.packageName + " upgrade keys do not match the " 14885 + "previously installed version"); 14886 return; 14887 } 14888 } else { 14889 try { 14890 verifySignaturesLP(ps, pkg); 14891 } catch (PackageManagerException e) { 14892 res.setError(e.error, e.getMessage()); 14893 return; 14894 } 14895 } 14896 14897 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14898 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14899 systemApp = (ps.pkg.applicationInfo.flags & 14900 ApplicationInfo.FLAG_SYSTEM) != 0; 14901 } 14902 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14903 } 14904 14905 // Check whether the newly-scanned package wants to define an already-defined perm 14906 int N = pkg.permissions.size(); 14907 for (int i = N-1; i >= 0; i--) { 14908 PackageParser.Permission perm = pkg.permissions.get(i); 14909 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14910 if (bp != null) { 14911 // If the defining package is signed with our cert, it's okay. This 14912 // also includes the "updating the same package" case, of course. 14913 // "updating same package" could also involve key-rotation. 14914 final boolean sigsOk; 14915 if (bp.sourcePackage.equals(pkg.packageName) 14916 && (bp.packageSetting instanceof PackageSetting) 14917 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14918 scanFlags))) { 14919 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14920 } else { 14921 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14922 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14923 } 14924 if (!sigsOk) { 14925 // If the owning package is the system itself, we log but allow 14926 // install to proceed; we fail the install on all other permission 14927 // redefinitions. 14928 if (!bp.sourcePackage.equals("android")) { 14929 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14930 + pkg.packageName + " attempting to redeclare permission " 14931 + perm.info.name + " already owned by " + bp.sourcePackage); 14932 res.origPermission = perm.info.name; 14933 res.origPackage = bp.sourcePackage; 14934 return; 14935 } else { 14936 Slog.w(TAG, "Package " + pkg.packageName 14937 + " attempting to redeclare system permission " 14938 + perm.info.name + "; ignoring new declaration"); 14939 pkg.permissions.remove(i); 14940 } 14941 } 14942 } 14943 } 14944 } 14945 14946 if (systemApp) { 14947 if (onExternal) { 14948 // Abort update; system app can't be replaced with app on sdcard 14949 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14950 "Cannot install updates to system apps on sdcard"); 14951 return; 14952 } else if (ephemeral) { 14953 // Abort update; system app can't be replaced with an ephemeral app 14954 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14955 "Cannot update a system app with an ephemeral app"); 14956 return; 14957 } 14958 } 14959 14960 if (args.move != null) { 14961 // We did an in-place move, so dex is ready to roll 14962 scanFlags |= SCAN_NO_DEX; 14963 scanFlags |= SCAN_MOVE; 14964 14965 synchronized (mPackages) { 14966 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14967 if (ps == null) { 14968 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14969 "Missing settings for moved package " + pkgName); 14970 } 14971 14972 // We moved the entire application as-is, so bring over the 14973 // previously derived ABI information. 14974 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14975 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14976 } 14977 14978 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14979 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14980 scanFlags |= SCAN_NO_DEX; 14981 14982 try { 14983 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14984 args.abiOverride : pkg.cpuAbiOverride); 14985 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14986 true /* extract libs */); 14987 } catch (PackageManagerException pme) { 14988 Slog.e(TAG, "Error deriving application ABI", pme); 14989 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14990 return; 14991 } 14992 14993 // Shared libraries for the package need to be updated. 14994 synchronized (mPackages) { 14995 try { 14996 updateSharedLibrariesLPw(pkg, null); 14997 } catch (PackageManagerException e) { 14998 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 14999 } 15000 } 15001 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 15002 // Do not run PackageDexOptimizer through the local performDexOpt 15003 // method because `pkg` is not in `mPackages` yet. 15004 int result = mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 15005 null /* instructionSets */, false /* checkProfiles */, 15006 getCompilerFilterForReason(REASON_INSTALL)); 15007 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15008 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 15009 String msg = "Extracting package failed for " + pkgName; 15010 res.setError(INSTALL_FAILED_DEXOPT, msg); 15011 return; 15012 } 15013 15014 // Notify BackgroundDexOptService that the package has been changed. 15015 // If this is an update of a package which used to fail to compile, 15016 // BDOS will remove it from its blacklist. 15017 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 15018 } 15019 15020 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 15021 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 15022 return; 15023 } 15024 15025 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 15026 15027 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 15028 "installPackageLI")) { 15029 if (replace) { 15030 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 15031 installerPackageName, res); 15032 } else { 15033 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 15034 args.user, installerPackageName, volumeUuid, res); 15035 } 15036 } 15037 synchronized (mPackages) { 15038 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15039 if (ps != null) { 15040 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 15041 } 15042 15043 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15044 for (int i = 0; i < childCount; i++) { 15045 PackageParser.Package childPkg = pkg.childPackages.get(i); 15046 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15047 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 15048 if (childPs != null) { 15049 childRes.newUsers = childPs.queryInstalledUsers( 15050 sUserManager.getUserIds(), true); 15051 } 15052 } 15053 } 15054 } 15055 15056 private void startIntentFilterVerifications(int userId, boolean replacing, 15057 PackageParser.Package pkg) { 15058 if (mIntentFilterVerifierComponent == null) { 15059 Slog.w(TAG, "No IntentFilter verification will not be done as " 15060 + "there is no IntentFilterVerifier available!"); 15061 return; 15062 } 15063 15064 final int verifierUid = getPackageUid( 15065 mIntentFilterVerifierComponent.getPackageName(), 15066 MATCH_DEBUG_TRIAGED_MISSING, 15067 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 15068 15069 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15070 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 15071 mHandler.sendMessage(msg); 15072 15073 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15074 for (int i = 0; i < childCount; i++) { 15075 PackageParser.Package childPkg = pkg.childPackages.get(i); 15076 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 15077 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 15078 mHandler.sendMessage(msg); 15079 } 15080 } 15081 15082 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 15083 PackageParser.Package pkg) { 15084 int size = pkg.activities.size(); 15085 if (size == 0) { 15086 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15087 "No activity, so no need to verify any IntentFilter!"); 15088 return; 15089 } 15090 15091 final boolean hasDomainURLs = hasDomainURLs(pkg); 15092 if (!hasDomainURLs) { 15093 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15094 "No domain URLs, so no need to verify any IntentFilter!"); 15095 return; 15096 } 15097 15098 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 15099 + " if any IntentFilter from the " + size 15100 + " Activities needs verification ..."); 15101 15102 int count = 0; 15103 final String packageName = pkg.packageName; 15104 15105 synchronized (mPackages) { 15106 // If this is a new install and we see that we've already run verification for this 15107 // package, we have nothing to do: it means the state was restored from backup. 15108 if (!replacing) { 15109 IntentFilterVerificationInfo ivi = 15110 mSettings.getIntentFilterVerificationLPr(packageName); 15111 if (ivi != null) { 15112 if (DEBUG_DOMAIN_VERIFICATION) { 15113 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 15114 + ivi.getStatusString()); 15115 } 15116 return; 15117 } 15118 } 15119 15120 // If any filters need to be verified, then all need to be. 15121 boolean needToVerify = false; 15122 for (PackageParser.Activity a : pkg.activities) { 15123 for (ActivityIntentInfo filter : a.intents) { 15124 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 15125 if (DEBUG_DOMAIN_VERIFICATION) { 15126 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 15127 } 15128 needToVerify = true; 15129 break; 15130 } 15131 } 15132 } 15133 15134 if (needToVerify) { 15135 final int verificationId = mIntentFilterVerificationToken++; 15136 for (PackageParser.Activity a : pkg.activities) { 15137 for (ActivityIntentInfo filter : a.intents) { 15138 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 15139 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 15140 "Verification needed for IntentFilter:" + filter.toString()); 15141 mIntentFilterVerifier.addOneIntentFilterVerification( 15142 verifierUid, userId, verificationId, filter, packageName); 15143 count++; 15144 } 15145 } 15146 } 15147 } 15148 } 15149 15150 if (count > 0) { 15151 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 15152 + " IntentFilter verification" + (count > 1 ? "s" : "") 15153 + " for userId:" + userId); 15154 mIntentFilterVerifier.startVerifications(userId); 15155 } else { 15156 if (DEBUG_DOMAIN_VERIFICATION) { 15157 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 15158 } 15159 } 15160 } 15161 15162 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 15163 final ComponentName cn = filter.activity.getComponentName(); 15164 final String packageName = cn.getPackageName(); 15165 15166 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 15167 packageName); 15168 if (ivi == null) { 15169 return true; 15170 } 15171 int status = ivi.getStatus(); 15172 switch (status) { 15173 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 15174 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 15175 return true; 15176 15177 default: 15178 // Nothing to do 15179 return false; 15180 } 15181 } 15182 15183 private static boolean isMultiArch(ApplicationInfo info) { 15184 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 15185 } 15186 15187 private static boolean isExternal(PackageParser.Package pkg) { 15188 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15189 } 15190 15191 private static boolean isExternal(PackageSetting ps) { 15192 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 15193 } 15194 15195 private static boolean isEphemeral(PackageParser.Package pkg) { 15196 return pkg.applicationInfo.isEphemeralApp(); 15197 } 15198 15199 private static boolean isEphemeral(PackageSetting ps) { 15200 return ps.pkg != null && isEphemeral(ps.pkg); 15201 } 15202 15203 private static boolean isSystemApp(PackageParser.Package pkg) { 15204 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 15205 } 15206 15207 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 15208 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15209 } 15210 15211 private static boolean hasDomainURLs(PackageParser.Package pkg) { 15212 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 15213 } 15214 15215 private static boolean isSystemApp(PackageSetting ps) { 15216 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 15217 } 15218 15219 private static boolean isUpdatedSystemApp(PackageSetting ps) { 15220 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 15221 } 15222 15223 private int packageFlagsToInstallFlags(PackageSetting ps) { 15224 int installFlags = 0; 15225 if (isEphemeral(ps)) { 15226 installFlags |= PackageManager.INSTALL_EPHEMERAL; 15227 } 15228 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 15229 // This existing package was an external ASEC install when we have 15230 // the external flag without a UUID 15231 installFlags |= PackageManager.INSTALL_EXTERNAL; 15232 } 15233 if (ps.isForwardLocked()) { 15234 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 15235 } 15236 return installFlags; 15237 } 15238 15239 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 15240 if (isExternal(pkg)) { 15241 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15242 return StorageManager.UUID_PRIMARY_PHYSICAL; 15243 } else { 15244 return pkg.volumeUuid; 15245 } 15246 } else { 15247 return StorageManager.UUID_PRIVATE_INTERNAL; 15248 } 15249 } 15250 15251 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 15252 if (isExternal(pkg)) { 15253 if (TextUtils.isEmpty(pkg.volumeUuid)) { 15254 return mSettings.getExternalVersion(); 15255 } else { 15256 return mSettings.findOrCreateVersion(pkg.volumeUuid); 15257 } 15258 } else { 15259 return mSettings.getInternalVersion(); 15260 } 15261 } 15262 15263 private void deleteTempPackageFiles() { 15264 final FilenameFilter filter = new FilenameFilter() { 15265 public boolean accept(File dir, String name) { 15266 return name.startsWith("vmdl") && name.endsWith(".tmp"); 15267 } 15268 }; 15269 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 15270 file.delete(); 15271 } 15272 } 15273 15274 @Override 15275 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15276 int flags) { 15277 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15278 flags); 15279 } 15280 15281 @Override 15282 public void deletePackage(final String packageName, 15283 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15284 mContext.enforceCallingOrSelfPermission( 15285 android.Manifest.permission.DELETE_PACKAGES, null); 15286 Preconditions.checkNotNull(packageName); 15287 Preconditions.checkNotNull(observer); 15288 final int uid = Binder.getCallingUid(); 15289 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15290 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15291 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15292 mContext.enforceCallingOrSelfPermission( 15293 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15294 "deletePackage for user " + userId); 15295 } 15296 15297 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15298 try { 15299 observer.onPackageDeleted(packageName, 15300 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15301 } catch (RemoteException re) { 15302 } 15303 return; 15304 } 15305 15306 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15307 try { 15308 observer.onPackageDeleted(packageName, 15309 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15310 } catch (RemoteException re) { 15311 } 15312 return; 15313 } 15314 15315 if (DEBUG_REMOVE) { 15316 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15317 + " deleteAllUsers: " + deleteAllUsers ); 15318 } 15319 // Queue up an async operation since the package deletion may take a little while. 15320 mHandler.post(new Runnable() { 15321 public void run() { 15322 mHandler.removeCallbacks(this); 15323 int returnCode; 15324 if (!deleteAllUsers) { 15325 returnCode = deletePackageX(packageName, userId, deleteFlags); 15326 } else { 15327 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15328 // If nobody is blocking uninstall, proceed with delete for all users 15329 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15330 returnCode = deletePackageX(packageName, userId, deleteFlags); 15331 } else { 15332 // Otherwise uninstall individually for users with blockUninstalls=false 15333 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15334 for (int userId : users) { 15335 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15336 returnCode = deletePackageX(packageName, userId, userFlags); 15337 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15338 Slog.w(TAG, "Package delete failed for user " + userId 15339 + ", returnCode " + returnCode); 15340 } 15341 } 15342 } 15343 // The app has only been marked uninstalled for certain users. 15344 // We still need to report that delete was blocked 15345 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15346 } 15347 } 15348 try { 15349 observer.onPackageDeleted(packageName, returnCode, null); 15350 } catch (RemoteException e) { 15351 Log.i(TAG, "Observer no longer exists."); 15352 } //end catch 15353 } //end run 15354 }); 15355 } 15356 15357 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15358 int[] result = EMPTY_INT_ARRAY; 15359 for (int userId : userIds) { 15360 if (getBlockUninstallForUser(packageName, userId)) { 15361 result = ArrayUtils.appendInt(result, userId); 15362 } 15363 } 15364 return result; 15365 } 15366 15367 @Override 15368 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15369 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15370 } 15371 15372 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15373 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15374 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15375 try { 15376 if (dpm != null) { 15377 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15378 /* callingUserOnly =*/ false); 15379 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15380 : deviceOwnerComponentName.getPackageName(); 15381 // Does the package contains the device owner? 15382 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15383 // this check is probably not needed, since DO should be registered as a device 15384 // admin on some user too. (Original bug for this: b/17657954) 15385 if (packageName.equals(deviceOwnerPackageName)) { 15386 return true; 15387 } 15388 // Does it contain a device admin for any user? 15389 int[] users; 15390 if (userId == UserHandle.USER_ALL) { 15391 users = sUserManager.getUserIds(); 15392 } else { 15393 users = new int[]{userId}; 15394 } 15395 for (int i = 0; i < users.length; ++i) { 15396 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15397 return true; 15398 } 15399 } 15400 } 15401 } catch (RemoteException e) { 15402 } 15403 return false; 15404 } 15405 15406 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15407 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15408 } 15409 15410 /** 15411 * This method is an internal method that could be get invoked either 15412 * to delete an installed package or to clean up a failed installation. 15413 * After deleting an installed package, a broadcast is sent to notify any 15414 * listeners that the package has been removed. For cleaning up a failed 15415 * installation, the broadcast is not necessary since the package's 15416 * installation wouldn't have sent the initial broadcast either 15417 * The key steps in deleting a package are 15418 * deleting the package information in internal structures like mPackages, 15419 * deleting the packages base directories through installd 15420 * updating mSettings to reflect current status 15421 * persisting settings for later use 15422 * sending a broadcast if necessary 15423 */ 15424 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15425 final PackageRemovedInfo info = new PackageRemovedInfo(); 15426 final boolean res; 15427 15428 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15429 ? UserHandle.ALL : new UserHandle(userId); 15430 15431 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15432 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15433 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15434 } 15435 15436 PackageSetting uninstalledPs = null; 15437 15438 // for the uninstall-updates case and restricted profiles, remember the per- 15439 // user handle installed state 15440 int[] allUsers; 15441 synchronized (mPackages) { 15442 uninstalledPs = mSettings.mPackages.get(packageName); 15443 if (uninstalledPs == null) { 15444 Slog.w(TAG, "Not removing non-existent package " + packageName); 15445 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15446 } 15447 allUsers = sUserManager.getUserIds(); 15448 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15449 } 15450 15451 synchronized (mInstallLock) { 15452 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15453 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15454 "deletePackageX")) { 15455 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15456 deleteFlags | REMOVE_CHATTY, info, true, null); 15457 } 15458 synchronized (mPackages) { 15459 if (res) { 15460 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15461 } 15462 } 15463 } 15464 15465 if (res) { 15466 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15467 info.sendPackageRemovedBroadcasts(killApp); 15468 info.sendSystemPackageUpdatedBroadcasts(); 15469 info.sendSystemPackageAppearedBroadcasts(); 15470 } 15471 // Force a gc here. 15472 Runtime.getRuntime().gc(); 15473 // Delete the resources here after sending the broadcast to let 15474 // other processes clean up before deleting resources. 15475 if (info.args != null) { 15476 synchronized (mInstallLock) { 15477 info.args.doPostDeleteLI(true); 15478 } 15479 } 15480 15481 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15482 } 15483 15484 class PackageRemovedInfo { 15485 String removedPackage; 15486 int uid = -1; 15487 int removedAppId = -1; 15488 int[] origUsers; 15489 int[] removedUsers = null; 15490 boolean isRemovedPackageSystemUpdate = false; 15491 boolean isUpdate; 15492 boolean dataRemoved; 15493 boolean removedForAllUsers; 15494 // Clean up resources deleted packages. 15495 InstallArgs args = null; 15496 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15497 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15498 15499 void sendPackageRemovedBroadcasts(boolean killApp) { 15500 sendPackageRemovedBroadcastInternal(killApp); 15501 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15502 for (int i = 0; i < childCount; i++) { 15503 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15504 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15505 } 15506 } 15507 15508 void sendSystemPackageUpdatedBroadcasts() { 15509 if (isRemovedPackageSystemUpdate) { 15510 sendSystemPackageUpdatedBroadcastsInternal(); 15511 final int childCount = (removedChildPackages != null) 15512 ? removedChildPackages.size() : 0; 15513 for (int i = 0; i < childCount; i++) { 15514 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15515 if (childInfo.isRemovedPackageSystemUpdate) { 15516 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15517 } 15518 } 15519 } 15520 } 15521 15522 void sendSystemPackageAppearedBroadcasts() { 15523 final int packageCount = (appearedChildPackages != null) 15524 ? appearedChildPackages.size() : 0; 15525 for (int i = 0; i < packageCount; i++) { 15526 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15527 for (int userId : installedInfo.newUsers) { 15528 sendPackageAddedForUser(installedInfo.name, true, 15529 UserHandle.getAppId(installedInfo.uid), userId); 15530 } 15531 } 15532 } 15533 15534 private void sendSystemPackageUpdatedBroadcastsInternal() { 15535 Bundle extras = new Bundle(2); 15536 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15537 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15538 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15539 extras, 0, null, null, null); 15540 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15541 extras, 0, null, null, null); 15542 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15543 null, 0, removedPackage, null, null); 15544 } 15545 15546 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15547 Bundle extras = new Bundle(2); 15548 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15549 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15550 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15551 if (isUpdate || isRemovedPackageSystemUpdate) { 15552 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15553 } 15554 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15555 if (removedPackage != null) { 15556 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15557 extras, 0, null, null, removedUsers); 15558 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15559 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15560 removedPackage, extras, 0, null, null, removedUsers); 15561 } 15562 } 15563 if (removedAppId >= 0) { 15564 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15565 removedUsers); 15566 } 15567 } 15568 } 15569 15570 /* 15571 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15572 * flag is not set, the data directory is removed as well. 15573 * make sure this flag is set for partially installed apps. If not its meaningless to 15574 * delete a partially installed application. 15575 */ 15576 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15577 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15578 String packageName = ps.name; 15579 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15580 // Retrieve object to delete permissions for shared user later on 15581 final PackageParser.Package deletedPkg; 15582 final PackageSetting deletedPs; 15583 // reader 15584 synchronized (mPackages) { 15585 deletedPkg = mPackages.get(packageName); 15586 deletedPs = mSettings.mPackages.get(packageName); 15587 if (outInfo != null) { 15588 outInfo.removedPackage = packageName; 15589 outInfo.removedUsers = deletedPs != null 15590 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15591 : null; 15592 } 15593 } 15594 15595 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15596 15597 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15598 final PackageParser.Package resolvedPkg; 15599 if (deletedPkg != null) { 15600 resolvedPkg = deletedPkg; 15601 } else { 15602 // We don't have a parsed package when it lives on an ejected 15603 // adopted storage device, so fake something together 15604 resolvedPkg = new PackageParser.Package(ps.name); 15605 resolvedPkg.setVolumeUuid(ps.volumeUuid); 15606 } 15607 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 15608 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15609 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 15610 if (outInfo != null) { 15611 outInfo.dataRemoved = true; 15612 } 15613 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15614 } 15615 15616 // writer 15617 synchronized (mPackages) { 15618 if (deletedPs != null) { 15619 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15620 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15621 clearDefaultBrowserIfNeeded(packageName); 15622 if (outInfo != null) { 15623 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15624 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15625 } 15626 updatePermissionsLPw(deletedPs.name, null, 0); 15627 if (deletedPs.sharedUser != null) { 15628 // Remove permissions associated with package. Since runtime 15629 // permissions are per user we have to kill the removed package 15630 // or packages running under the shared user of the removed 15631 // package if revoking the permissions requested only by the removed 15632 // package is successful and this causes a change in gids. 15633 for (int userId : UserManagerService.getInstance().getUserIds()) { 15634 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15635 userId); 15636 if (userIdToKill == UserHandle.USER_ALL 15637 || userIdToKill >= UserHandle.USER_SYSTEM) { 15638 // If gids changed for this user, kill all affected packages. 15639 mHandler.post(new Runnable() { 15640 @Override 15641 public void run() { 15642 // This has to happen with no lock held. 15643 killApplication(deletedPs.name, deletedPs.appId, 15644 KILL_APP_REASON_GIDS_CHANGED); 15645 } 15646 }); 15647 break; 15648 } 15649 } 15650 } 15651 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15652 } 15653 // make sure to preserve per-user disabled state if this removal was just 15654 // a downgrade of a system app to the factory package 15655 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15656 if (DEBUG_REMOVE) { 15657 Slog.d(TAG, "Propagating install state across downgrade"); 15658 } 15659 for (int userId : allUserHandles) { 15660 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15661 if (DEBUG_REMOVE) { 15662 Slog.d(TAG, " user " + userId + " => " + installed); 15663 } 15664 ps.setInstalled(installed, userId); 15665 } 15666 } 15667 } 15668 // can downgrade to reader 15669 if (writeSettings) { 15670 // Save settings now 15671 mSettings.writeLPr(); 15672 } 15673 } 15674 if (outInfo != null) { 15675 // A user ID was deleted here. Go through all users and remove it 15676 // from KeyStore. 15677 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15678 } 15679 } 15680 15681 static boolean locationIsPrivileged(File path) { 15682 try { 15683 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15684 .getCanonicalPath(); 15685 return path.getCanonicalPath().startsWith(privilegedAppDir); 15686 } catch (IOException e) { 15687 Slog.e(TAG, "Unable to access code path " + path); 15688 } 15689 return false; 15690 } 15691 15692 /* 15693 * Tries to delete system package. 15694 */ 15695 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15696 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15697 boolean writeSettings) { 15698 if (deletedPs.parentPackageName != null) { 15699 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15700 return false; 15701 } 15702 15703 final boolean applyUserRestrictions 15704 = (allUserHandles != null) && (outInfo.origUsers != null); 15705 final PackageSetting disabledPs; 15706 // Confirm if the system package has been updated 15707 // An updated system app can be deleted. This will also have to restore 15708 // the system pkg from system partition 15709 // reader 15710 synchronized (mPackages) { 15711 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15712 } 15713 15714 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15715 + " disabledPs=" + disabledPs); 15716 15717 if (disabledPs == null) { 15718 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15719 return false; 15720 } else if (DEBUG_REMOVE) { 15721 Slog.d(TAG, "Deleting system pkg from data partition"); 15722 } 15723 15724 if (DEBUG_REMOVE) { 15725 if (applyUserRestrictions) { 15726 Slog.d(TAG, "Remembering install states:"); 15727 for (int userId : allUserHandles) { 15728 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15729 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15730 } 15731 } 15732 } 15733 15734 // Delete the updated package 15735 outInfo.isRemovedPackageSystemUpdate = true; 15736 if (outInfo.removedChildPackages != null) { 15737 final int childCount = (deletedPs.childPackageNames != null) 15738 ? deletedPs.childPackageNames.size() : 0; 15739 for (int i = 0; i < childCount; i++) { 15740 String childPackageName = deletedPs.childPackageNames.get(i); 15741 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15742 .contains(childPackageName)) { 15743 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15744 childPackageName); 15745 if (childInfo != null) { 15746 childInfo.isRemovedPackageSystemUpdate = true; 15747 } 15748 } 15749 } 15750 } 15751 15752 if (disabledPs.versionCode < deletedPs.versionCode) { 15753 // Delete data for downgrades 15754 flags &= ~PackageManager.DELETE_KEEP_DATA; 15755 } else { 15756 // Preserve data by setting flag 15757 flags |= PackageManager.DELETE_KEEP_DATA; 15758 } 15759 15760 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15761 outInfo, writeSettings, disabledPs.pkg); 15762 if (!ret) { 15763 return false; 15764 } 15765 15766 // writer 15767 synchronized (mPackages) { 15768 // Reinstate the old system package 15769 enableSystemPackageLPw(disabledPs.pkg); 15770 // Remove any native libraries from the upgraded package. 15771 removeNativeBinariesLI(deletedPs); 15772 } 15773 15774 // Install the system package 15775 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15776 int parseFlags = mDefParseFlags 15777 | PackageParser.PARSE_MUST_BE_APK 15778 | PackageParser.PARSE_IS_SYSTEM 15779 | PackageParser.PARSE_IS_SYSTEM_DIR; 15780 if (locationIsPrivileged(disabledPs.codePath)) { 15781 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15782 } 15783 15784 final PackageParser.Package newPkg; 15785 try { 15786 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15787 } catch (PackageManagerException e) { 15788 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15789 + e.getMessage()); 15790 return false; 15791 } 15792 15793 prepareAppDataAfterInstallLIF(newPkg); 15794 15795 // writer 15796 synchronized (mPackages) { 15797 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15798 15799 // Propagate the permissions state as we do not want to drop on the floor 15800 // runtime permissions. The update permissions method below will take 15801 // care of removing obsolete permissions and grant install permissions. 15802 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15803 updatePermissionsLPw(newPkg.packageName, newPkg, 15804 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15805 15806 if (applyUserRestrictions) { 15807 if (DEBUG_REMOVE) { 15808 Slog.d(TAG, "Propagating install state across reinstall"); 15809 } 15810 for (int userId : allUserHandles) { 15811 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15812 if (DEBUG_REMOVE) { 15813 Slog.d(TAG, " user " + userId + " => " + installed); 15814 } 15815 ps.setInstalled(installed, userId); 15816 15817 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15818 } 15819 // Regardless of writeSettings we need to ensure that this restriction 15820 // state propagation is persisted 15821 mSettings.writeAllUsersPackageRestrictionsLPr(); 15822 } 15823 // can downgrade to reader here 15824 if (writeSettings) { 15825 mSettings.writeLPr(); 15826 } 15827 } 15828 return true; 15829 } 15830 15831 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15832 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15833 PackageRemovedInfo outInfo, boolean writeSettings, 15834 PackageParser.Package replacingPackage) { 15835 synchronized (mPackages) { 15836 if (outInfo != null) { 15837 outInfo.uid = ps.appId; 15838 } 15839 15840 if (outInfo != null && outInfo.removedChildPackages != null) { 15841 final int childCount = (ps.childPackageNames != null) 15842 ? ps.childPackageNames.size() : 0; 15843 for (int i = 0; i < childCount; i++) { 15844 String childPackageName = ps.childPackageNames.get(i); 15845 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15846 if (childPs == null) { 15847 return false; 15848 } 15849 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15850 childPackageName); 15851 if (childInfo != null) { 15852 childInfo.uid = childPs.appId; 15853 } 15854 } 15855 } 15856 } 15857 15858 // Delete package data from internal structures and also remove data if flag is set 15859 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15860 15861 // Delete the child packages data 15862 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15863 for (int i = 0; i < childCount; i++) { 15864 PackageSetting childPs; 15865 synchronized (mPackages) { 15866 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15867 } 15868 if (childPs != null) { 15869 PackageRemovedInfo childOutInfo = (outInfo != null 15870 && outInfo.removedChildPackages != null) 15871 ? outInfo.removedChildPackages.get(childPs.name) : null; 15872 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15873 && (replacingPackage != null 15874 && !replacingPackage.hasChildPackage(childPs.name)) 15875 ? flags & ~DELETE_KEEP_DATA : flags; 15876 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15877 deleteFlags, writeSettings); 15878 } 15879 } 15880 15881 // Delete application code and resources only for parent packages 15882 if (ps.parentPackageName == null) { 15883 if (deleteCodeAndResources && (outInfo != null)) { 15884 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15885 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15886 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15887 } 15888 } 15889 15890 return true; 15891 } 15892 15893 @Override 15894 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15895 int userId) { 15896 mContext.enforceCallingOrSelfPermission( 15897 android.Manifest.permission.DELETE_PACKAGES, null); 15898 synchronized (mPackages) { 15899 PackageSetting ps = mSettings.mPackages.get(packageName); 15900 if (ps == null) { 15901 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15902 return false; 15903 } 15904 if (!ps.getInstalled(userId)) { 15905 // Can't block uninstall for an app that is not installed or enabled. 15906 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15907 return false; 15908 } 15909 ps.setBlockUninstall(blockUninstall, userId); 15910 mSettings.writePackageRestrictionsLPr(userId); 15911 } 15912 return true; 15913 } 15914 15915 @Override 15916 public boolean getBlockUninstallForUser(String packageName, int userId) { 15917 synchronized (mPackages) { 15918 PackageSetting ps = mSettings.mPackages.get(packageName); 15919 if (ps == null) { 15920 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15921 return false; 15922 } 15923 return ps.getBlockUninstall(userId); 15924 } 15925 } 15926 15927 @Override 15928 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15929 int callingUid = Binder.getCallingUid(); 15930 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15931 throw new SecurityException( 15932 "setRequiredForSystemUser can only be run by the system or root"); 15933 } 15934 synchronized (mPackages) { 15935 PackageSetting ps = mSettings.mPackages.get(packageName); 15936 if (ps == null) { 15937 Log.w(TAG, "Package doesn't exist: " + packageName); 15938 return false; 15939 } 15940 if (systemUserApp) { 15941 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15942 } else { 15943 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15944 } 15945 mSettings.writeLPr(); 15946 } 15947 return true; 15948 } 15949 15950 /* 15951 * This method handles package deletion in general 15952 */ 15953 private boolean deletePackageLIF(String packageName, UserHandle user, 15954 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15955 PackageRemovedInfo outInfo, boolean writeSettings, 15956 PackageParser.Package replacingPackage) { 15957 if (packageName == null) { 15958 Slog.w(TAG, "Attempt to delete null packageName."); 15959 return false; 15960 } 15961 15962 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15963 15964 PackageSetting ps; 15965 15966 synchronized (mPackages) { 15967 ps = mSettings.mPackages.get(packageName); 15968 if (ps == null) { 15969 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15970 return false; 15971 } 15972 15973 if (ps.parentPackageName != null && (!isSystemApp(ps) 15974 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15975 if (DEBUG_REMOVE) { 15976 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15977 + ((user == null) ? UserHandle.USER_ALL : user)); 15978 } 15979 final int removedUserId = (user != null) ? user.getIdentifier() 15980 : UserHandle.USER_ALL; 15981 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15982 return false; 15983 } 15984 markPackageUninstalledForUserLPw(ps, user); 15985 scheduleWritePackageRestrictionsLocked(user); 15986 return true; 15987 } 15988 } 15989 15990 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15991 && user.getIdentifier() != UserHandle.USER_ALL)) { 15992 // The caller is asking that the package only be deleted for a single 15993 // user. To do this, we just mark its uninstalled state and delete 15994 // its data. If this is a system app, we only allow this to happen if 15995 // they have set the special DELETE_SYSTEM_APP which requests different 15996 // semantics than normal for uninstalling system apps. 15997 markPackageUninstalledForUserLPw(ps, user); 15998 15999 if (!isSystemApp(ps)) { 16000 // Do not uninstall the APK if an app should be cached 16001 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 16002 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 16003 // Other user still have this package installed, so all 16004 // we need to do is clear this user's data and save that 16005 // it is uninstalled. 16006 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 16007 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16008 return false; 16009 } 16010 scheduleWritePackageRestrictionsLocked(user); 16011 return true; 16012 } else { 16013 // We need to set it back to 'installed' so the uninstall 16014 // broadcasts will be sent correctly. 16015 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 16016 ps.setInstalled(true, user.getIdentifier()); 16017 } 16018 } else { 16019 // This is a system app, so we assume that the 16020 // other users still have this package installed, so all 16021 // we need to do is clear this user's data and save that 16022 // it is uninstalled. 16023 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 16024 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 16025 return false; 16026 } 16027 scheduleWritePackageRestrictionsLocked(user); 16028 return true; 16029 } 16030 } 16031 16032 // If we are deleting a composite package for all users, keep track 16033 // of result for each child. 16034 if (ps.childPackageNames != null && outInfo != null) { 16035 synchronized (mPackages) { 16036 final int childCount = ps.childPackageNames.size(); 16037 outInfo.removedChildPackages = new ArrayMap<>(childCount); 16038 for (int i = 0; i < childCount; i++) { 16039 String childPackageName = ps.childPackageNames.get(i); 16040 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 16041 childInfo.removedPackage = childPackageName; 16042 outInfo.removedChildPackages.put(childPackageName, childInfo); 16043 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16044 if (childPs != null) { 16045 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 16046 } 16047 } 16048 } 16049 } 16050 16051 boolean ret = false; 16052 if (isSystemApp(ps)) { 16053 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 16054 // When an updated system application is deleted we delete the existing resources 16055 // as well and fall back to existing code in system partition 16056 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 16057 } else { 16058 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 16059 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 16060 outInfo, writeSettings, replacingPackage); 16061 } 16062 16063 // Take a note whether we deleted the package for all users 16064 if (outInfo != null) { 16065 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16066 if (outInfo.removedChildPackages != null) { 16067 synchronized (mPackages) { 16068 final int childCount = outInfo.removedChildPackages.size(); 16069 for (int i = 0; i < childCount; i++) { 16070 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 16071 if (childInfo != null) { 16072 childInfo.removedForAllUsers = mPackages.get( 16073 childInfo.removedPackage) == null; 16074 } 16075 } 16076 } 16077 } 16078 // If we uninstalled an update to a system app there may be some 16079 // child packages that appeared as they are declared in the system 16080 // app but were not declared in the update. 16081 if (isSystemApp(ps)) { 16082 synchronized (mPackages) { 16083 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 16084 final int childCount = (updatedPs.childPackageNames != null) 16085 ? updatedPs.childPackageNames.size() : 0; 16086 for (int i = 0; i < childCount; i++) { 16087 String childPackageName = updatedPs.childPackageNames.get(i); 16088 if (outInfo.removedChildPackages == null 16089 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 16090 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 16091 if (childPs == null) { 16092 continue; 16093 } 16094 PackageInstalledInfo installRes = new PackageInstalledInfo(); 16095 installRes.name = childPackageName; 16096 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 16097 installRes.pkg = mPackages.get(childPackageName); 16098 installRes.uid = childPs.pkg.applicationInfo.uid; 16099 if (outInfo.appearedChildPackages == null) { 16100 outInfo.appearedChildPackages = new ArrayMap<>(); 16101 } 16102 outInfo.appearedChildPackages.put(childPackageName, installRes); 16103 } 16104 } 16105 } 16106 } 16107 } 16108 16109 return ret; 16110 } 16111 16112 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 16113 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 16114 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 16115 for (int nextUserId : userIds) { 16116 if (DEBUG_REMOVE) { 16117 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 16118 } 16119 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 16120 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 16121 false /*hidden*/, false /*suspended*/, null, null, null, 16122 false /*blockUninstall*/, 16123 ps.readUserState(nextUserId).domainVerificationStatus, 0); 16124 } 16125 } 16126 16127 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 16128 PackageRemovedInfo outInfo) { 16129 final PackageParser.Package pkg; 16130 synchronized (mPackages) { 16131 pkg = mPackages.get(ps.name); 16132 } 16133 16134 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 16135 : new int[] {userId}; 16136 for (int nextUserId : userIds) { 16137 if (DEBUG_REMOVE) { 16138 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 16139 + nextUserId); 16140 } 16141 16142 destroyAppDataLIF(pkg, userId, 16143 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16144 destroyAppProfilesLIF(pkg, userId); 16145 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 16146 schedulePackageCleaning(ps.name, nextUserId, false); 16147 synchronized (mPackages) { 16148 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 16149 scheduleWritePackageRestrictionsLocked(nextUserId); 16150 } 16151 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 16152 } 16153 } 16154 16155 if (outInfo != null) { 16156 outInfo.removedPackage = ps.name; 16157 outInfo.removedAppId = ps.appId; 16158 outInfo.removedUsers = userIds; 16159 } 16160 16161 return true; 16162 } 16163 16164 private final class ClearStorageConnection implements ServiceConnection { 16165 IMediaContainerService mContainerService; 16166 16167 @Override 16168 public void onServiceConnected(ComponentName name, IBinder service) { 16169 synchronized (this) { 16170 mContainerService = IMediaContainerService.Stub.asInterface(service); 16171 notifyAll(); 16172 } 16173 } 16174 16175 @Override 16176 public void onServiceDisconnected(ComponentName name) { 16177 } 16178 } 16179 16180 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 16181 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 16182 16183 final boolean mounted; 16184 if (Environment.isExternalStorageEmulated()) { 16185 mounted = true; 16186 } else { 16187 final String status = Environment.getExternalStorageState(); 16188 16189 mounted = status.equals(Environment.MEDIA_MOUNTED) 16190 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 16191 } 16192 16193 if (!mounted) { 16194 return; 16195 } 16196 16197 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 16198 int[] users; 16199 if (userId == UserHandle.USER_ALL) { 16200 users = sUserManager.getUserIds(); 16201 } else { 16202 users = new int[] { userId }; 16203 } 16204 final ClearStorageConnection conn = new ClearStorageConnection(); 16205 if (mContext.bindServiceAsUser( 16206 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 16207 try { 16208 for (int curUser : users) { 16209 long timeout = SystemClock.uptimeMillis() + 5000; 16210 synchronized (conn) { 16211 long now = SystemClock.uptimeMillis(); 16212 while (conn.mContainerService == null && now < timeout) { 16213 try { 16214 conn.wait(timeout - now); 16215 } catch (InterruptedException e) { 16216 } 16217 } 16218 } 16219 if (conn.mContainerService == null) { 16220 return; 16221 } 16222 16223 final UserEnvironment userEnv = new UserEnvironment(curUser); 16224 clearDirectory(conn.mContainerService, 16225 userEnv.buildExternalStorageAppCacheDirs(packageName)); 16226 if (allData) { 16227 clearDirectory(conn.mContainerService, 16228 userEnv.buildExternalStorageAppDataDirs(packageName)); 16229 clearDirectory(conn.mContainerService, 16230 userEnv.buildExternalStorageAppMediaDirs(packageName)); 16231 } 16232 } 16233 } finally { 16234 mContext.unbindService(conn); 16235 } 16236 } 16237 } 16238 16239 @Override 16240 public void clearApplicationProfileData(String packageName) { 16241 enforceSystemOrRoot("Only the system can clear all profile data"); 16242 16243 final PackageParser.Package pkg; 16244 synchronized (mPackages) { 16245 pkg = mPackages.get(packageName); 16246 } 16247 16248 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 16249 synchronized (mInstallLock) { 16250 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 16251 } 16252 } 16253 } 16254 16255 @Override 16256 public void clearApplicationUserData(final String packageName, 16257 final IPackageDataObserver observer, final int userId) { 16258 mContext.enforceCallingOrSelfPermission( 16259 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 16260 16261 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16262 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 16263 16264 final DevicePolicyManagerInternal dpmi = LocalServices 16265 .getService(DevicePolicyManagerInternal.class); 16266 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 16267 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 16268 } 16269 // Queue up an async operation since the package deletion may take a little while. 16270 mHandler.post(new Runnable() { 16271 public void run() { 16272 mHandler.removeCallbacks(this); 16273 final boolean succeeded; 16274 try (PackageFreezer freezer = freezePackage(packageName, 16275 "clearApplicationUserData")) { 16276 synchronized (mInstallLock) { 16277 succeeded = clearApplicationUserDataLIF(packageName, userId); 16278 } 16279 clearExternalStorageDataSync(packageName, userId, true); 16280 } 16281 if (succeeded) { 16282 // invoke DeviceStorageMonitor's update method to clear any notifications 16283 DeviceStorageMonitorInternal dsm = LocalServices 16284 .getService(DeviceStorageMonitorInternal.class); 16285 if (dsm != null) { 16286 dsm.checkMemory(); 16287 } 16288 } 16289 if(observer != null) { 16290 try { 16291 observer.onRemoveCompleted(packageName, succeeded); 16292 } catch (RemoteException e) { 16293 Log.i(TAG, "Observer no longer exists."); 16294 } 16295 } //end if observer 16296 } //end run 16297 }); 16298 } 16299 16300 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16301 if (packageName == null) { 16302 Slog.w(TAG, "Attempt to delete null packageName."); 16303 return false; 16304 } 16305 16306 // Try finding details about the requested package 16307 PackageParser.Package pkg; 16308 synchronized (mPackages) { 16309 pkg = mPackages.get(packageName); 16310 if (pkg == null) { 16311 final PackageSetting ps = mSettings.mPackages.get(packageName); 16312 if (ps != null) { 16313 pkg = ps.pkg; 16314 } 16315 } 16316 16317 if (pkg == null) { 16318 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16319 return false; 16320 } 16321 16322 PackageSetting ps = (PackageSetting) pkg.mExtras; 16323 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16324 } 16325 16326 clearAppDataLIF(pkg, userId, 16327 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16328 16329 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16330 removeKeystoreDataIfNeeded(userId, appId); 16331 16332 UserManagerInternal umInternal = getUserManagerInternal(); 16333 final int flags; 16334 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 16335 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16336 } else if (umInternal.isUserRunning(userId)) { 16337 flags = StorageManager.FLAG_STORAGE_DE; 16338 } else { 16339 flags = 0; 16340 } 16341 prepareAppDataContentsLIF(pkg, userId, flags); 16342 16343 return true; 16344 } 16345 16346 /** 16347 * Reverts user permission state changes (permissions and flags) in 16348 * all packages for a given user. 16349 * 16350 * @param userId The device user for which to do a reset. 16351 */ 16352 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16353 final int packageCount = mPackages.size(); 16354 for (int i = 0; i < packageCount; i++) { 16355 PackageParser.Package pkg = mPackages.valueAt(i); 16356 PackageSetting ps = (PackageSetting) pkg.mExtras; 16357 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16358 } 16359 } 16360 16361 private void resetNetworkPolicies(int userId) { 16362 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 16363 } 16364 16365 /** 16366 * Reverts user permission state changes (permissions and flags). 16367 * 16368 * @param ps The package for which to reset. 16369 * @param userId The device user for which to do a reset. 16370 */ 16371 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16372 final PackageSetting ps, final int userId) { 16373 if (ps.pkg == null) { 16374 return; 16375 } 16376 16377 // These are flags that can change base on user actions. 16378 final int userSettableMask = FLAG_PERMISSION_USER_SET 16379 | FLAG_PERMISSION_USER_FIXED 16380 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16381 | FLAG_PERMISSION_REVIEW_REQUIRED; 16382 16383 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16384 | FLAG_PERMISSION_POLICY_FIXED; 16385 16386 boolean writeInstallPermissions = false; 16387 boolean writeRuntimePermissions = false; 16388 16389 final int permissionCount = ps.pkg.requestedPermissions.size(); 16390 for (int i = 0; i < permissionCount; i++) { 16391 String permission = ps.pkg.requestedPermissions.get(i); 16392 16393 BasePermission bp = mSettings.mPermissions.get(permission); 16394 if (bp == null) { 16395 continue; 16396 } 16397 16398 // If shared user we just reset the state to which only this app contributed. 16399 if (ps.sharedUser != null) { 16400 boolean used = false; 16401 final int packageCount = ps.sharedUser.packages.size(); 16402 for (int j = 0; j < packageCount; j++) { 16403 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16404 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16405 && pkg.pkg.requestedPermissions.contains(permission)) { 16406 used = true; 16407 break; 16408 } 16409 } 16410 if (used) { 16411 continue; 16412 } 16413 } 16414 16415 PermissionsState permissionsState = ps.getPermissionsState(); 16416 16417 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16418 16419 // Always clear the user settable flags. 16420 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16421 bp.name) != null; 16422 // If permission review is enabled and this is a legacy app, mark the 16423 // permission as requiring a review as this is the initial state. 16424 int flags = 0; 16425 if (Build.PERMISSIONS_REVIEW_REQUIRED 16426 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16427 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16428 } 16429 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16430 if (hasInstallState) { 16431 writeInstallPermissions = true; 16432 } else { 16433 writeRuntimePermissions = true; 16434 } 16435 } 16436 16437 // Below is only runtime permission handling. 16438 if (!bp.isRuntime()) { 16439 continue; 16440 } 16441 16442 // Never clobber system or policy. 16443 if ((oldFlags & policyOrSystemFlags) != 0) { 16444 continue; 16445 } 16446 16447 // If this permission was granted by default, make sure it is. 16448 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16449 if (permissionsState.grantRuntimePermission(bp, userId) 16450 != PERMISSION_OPERATION_FAILURE) { 16451 writeRuntimePermissions = true; 16452 } 16453 // If permission review is enabled the permissions for a legacy apps 16454 // are represented as constantly granted runtime ones, so don't revoke. 16455 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16456 // Otherwise, reset the permission. 16457 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16458 switch (revokeResult) { 16459 case PERMISSION_OPERATION_SUCCESS: 16460 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16461 writeRuntimePermissions = true; 16462 final int appId = ps.appId; 16463 mHandler.post(new Runnable() { 16464 @Override 16465 public void run() { 16466 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16467 } 16468 }); 16469 } break; 16470 } 16471 } 16472 } 16473 16474 // Synchronously write as we are taking permissions away. 16475 if (writeRuntimePermissions) { 16476 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16477 } 16478 16479 // Synchronously write as we are taking permissions away. 16480 if (writeInstallPermissions) { 16481 mSettings.writeLPr(); 16482 } 16483 } 16484 16485 /** 16486 * Remove entries from the keystore daemon. Will only remove it if the 16487 * {@code appId} is valid. 16488 */ 16489 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16490 if (appId < 0) { 16491 return; 16492 } 16493 16494 final KeyStore keyStore = KeyStore.getInstance(); 16495 if (keyStore != null) { 16496 if (userId == UserHandle.USER_ALL) { 16497 for (final int individual : sUserManager.getUserIds()) { 16498 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16499 } 16500 } else { 16501 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16502 } 16503 } else { 16504 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16505 } 16506 } 16507 16508 @Override 16509 public void deleteApplicationCacheFiles(final String packageName, 16510 final IPackageDataObserver observer) { 16511 final int userId = UserHandle.getCallingUserId(); 16512 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16513 } 16514 16515 @Override 16516 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16517 final IPackageDataObserver observer) { 16518 mContext.enforceCallingOrSelfPermission( 16519 android.Manifest.permission.DELETE_CACHE_FILES, null); 16520 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16521 /* requireFullPermission= */ true, /* checkShell= */ false, 16522 "delete application cache files"); 16523 16524 final PackageParser.Package pkg; 16525 synchronized (mPackages) { 16526 pkg = mPackages.get(packageName); 16527 } 16528 16529 // Queue up an async operation since the package deletion may take a little while. 16530 mHandler.post(new Runnable() { 16531 public void run() { 16532 synchronized (mInstallLock) { 16533 final int flags = StorageManager.FLAG_STORAGE_DE 16534 | StorageManager.FLAG_STORAGE_CE; 16535 // We're only clearing cache files, so we don't care if the 16536 // app is unfrozen and still able to run 16537 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16538 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16539 } 16540 clearExternalStorageDataSync(packageName, userId, false); 16541 if (observer != null) { 16542 try { 16543 observer.onRemoveCompleted(packageName, true); 16544 } catch (RemoteException e) { 16545 Log.i(TAG, "Observer no longer exists."); 16546 } 16547 } 16548 } 16549 }); 16550 } 16551 16552 @Override 16553 public void getPackageSizeInfo(final String packageName, int userHandle, 16554 final IPackageStatsObserver observer) { 16555 mContext.enforceCallingOrSelfPermission( 16556 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16557 if (packageName == null) { 16558 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16559 } 16560 16561 PackageStats stats = new PackageStats(packageName, userHandle); 16562 16563 /* 16564 * Queue up an async operation since the package measurement may take a 16565 * little while. 16566 */ 16567 Message msg = mHandler.obtainMessage(INIT_COPY); 16568 msg.obj = new MeasureParams(stats, observer); 16569 mHandler.sendMessage(msg); 16570 } 16571 16572 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16573 final PackageSetting ps; 16574 synchronized (mPackages) { 16575 ps = mSettings.mPackages.get(packageName); 16576 if (ps == null) { 16577 Slog.w(TAG, "Failed to find settings for " + packageName); 16578 return false; 16579 } 16580 } 16581 try { 16582 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16583 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16584 ps.getCeDataInode(userId), ps.codePathString, stats); 16585 } catch (InstallerException e) { 16586 Slog.w(TAG, String.valueOf(e)); 16587 return false; 16588 } 16589 16590 // For now, ignore code size of packages on system partition 16591 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16592 stats.codeSize = 0; 16593 } 16594 16595 return true; 16596 } 16597 16598 private int getUidTargetSdkVersionLockedLPr(int uid) { 16599 Object obj = mSettings.getUserIdLPr(uid); 16600 if (obj instanceof SharedUserSetting) { 16601 final SharedUserSetting sus = (SharedUserSetting) obj; 16602 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16603 final Iterator<PackageSetting> it = sus.packages.iterator(); 16604 while (it.hasNext()) { 16605 final PackageSetting ps = it.next(); 16606 if (ps.pkg != null) { 16607 int v = ps.pkg.applicationInfo.targetSdkVersion; 16608 if (v < vers) vers = v; 16609 } 16610 } 16611 return vers; 16612 } else if (obj instanceof PackageSetting) { 16613 final PackageSetting ps = (PackageSetting) obj; 16614 if (ps.pkg != null) { 16615 return ps.pkg.applicationInfo.targetSdkVersion; 16616 } 16617 } 16618 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16619 } 16620 16621 @Override 16622 public void addPreferredActivity(IntentFilter filter, int match, 16623 ComponentName[] set, ComponentName activity, int userId) { 16624 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16625 "Adding preferred"); 16626 } 16627 16628 private void addPreferredActivityInternal(IntentFilter filter, int match, 16629 ComponentName[] set, ComponentName activity, boolean always, int userId, 16630 String opname) { 16631 // writer 16632 int callingUid = Binder.getCallingUid(); 16633 enforceCrossUserPermission(callingUid, userId, 16634 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16635 if (filter.countActions() == 0) { 16636 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16637 return; 16638 } 16639 synchronized (mPackages) { 16640 if (mContext.checkCallingOrSelfPermission( 16641 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16642 != PackageManager.PERMISSION_GRANTED) { 16643 if (getUidTargetSdkVersionLockedLPr(callingUid) 16644 < Build.VERSION_CODES.FROYO) { 16645 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16646 + callingUid); 16647 return; 16648 } 16649 mContext.enforceCallingOrSelfPermission( 16650 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16651 } 16652 16653 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16654 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16655 + userId + ":"); 16656 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16657 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16658 scheduleWritePackageRestrictionsLocked(userId); 16659 } 16660 } 16661 16662 @Override 16663 public void replacePreferredActivity(IntentFilter filter, int match, 16664 ComponentName[] set, ComponentName activity, int userId) { 16665 if (filter.countActions() != 1) { 16666 throw new IllegalArgumentException( 16667 "replacePreferredActivity expects filter to have only 1 action."); 16668 } 16669 if (filter.countDataAuthorities() != 0 16670 || filter.countDataPaths() != 0 16671 || filter.countDataSchemes() > 1 16672 || filter.countDataTypes() != 0) { 16673 throw new IllegalArgumentException( 16674 "replacePreferredActivity expects filter to have no data authorities, " + 16675 "paths, or types; and at most one scheme."); 16676 } 16677 16678 final int callingUid = Binder.getCallingUid(); 16679 enforceCrossUserPermission(callingUid, userId, 16680 true /* requireFullPermission */, false /* checkShell */, 16681 "replace preferred activity"); 16682 synchronized (mPackages) { 16683 if (mContext.checkCallingOrSelfPermission( 16684 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16685 != PackageManager.PERMISSION_GRANTED) { 16686 if (getUidTargetSdkVersionLockedLPr(callingUid) 16687 < Build.VERSION_CODES.FROYO) { 16688 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16689 + Binder.getCallingUid()); 16690 return; 16691 } 16692 mContext.enforceCallingOrSelfPermission( 16693 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16694 } 16695 16696 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16697 if (pir != null) { 16698 // Get all of the existing entries that exactly match this filter. 16699 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16700 if (existing != null && existing.size() == 1) { 16701 PreferredActivity cur = existing.get(0); 16702 if (DEBUG_PREFERRED) { 16703 Slog.i(TAG, "Checking replace of preferred:"); 16704 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16705 if (!cur.mPref.mAlways) { 16706 Slog.i(TAG, " -- CUR; not mAlways!"); 16707 } else { 16708 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16709 Slog.i(TAG, " -- CUR: mSet=" 16710 + Arrays.toString(cur.mPref.mSetComponents)); 16711 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16712 Slog.i(TAG, " -- NEW: mMatch=" 16713 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16714 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16715 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16716 } 16717 } 16718 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16719 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16720 && cur.mPref.sameSet(set)) { 16721 // Setting the preferred activity to what it happens to be already 16722 if (DEBUG_PREFERRED) { 16723 Slog.i(TAG, "Replacing with same preferred activity " 16724 + cur.mPref.mShortComponent + " for user " 16725 + userId + ":"); 16726 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16727 } 16728 return; 16729 } 16730 } 16731 16732 if (existing != null) { 16733 if (DEBUG_PREFERRED) { 16734 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16735 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16736 } 16737 for (int i = 0; i < existing.size(); i++) { 16738 PreferredActivity pa = existing.get(i); 16739 if (DEBUG_PREFERRED) { 16740 Slog.i(TAG, "Removing existing preferred activity " 16741 + pa.mPref.mComponent + ":"); 16742 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16743 } 16744 pir.removeFilter(pa); 16745 } 16746 } 16747 } 16748 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16749 "Replacing preferred"); 16750 } 16751 } 16752 16753 @Override 16754 public void clearPackagePreferredActivities(String packageName) { 16755 final int uid = Binder.getCallingUid(); 16756 // writer 16757 synchronized (mPackages) { 16758 PackageParser.Package pkg = mPackages.get(packageName); 16759 if (pkg == null || pkg.applicationInfo.uid != uid) { 16760 if (mContext.checkCallingOrSelfPermission( 16761 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16762 != PackageManager.PERMISSION_GRANTED) { 16763 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16764 < Build.VERSION_CODES.FROYO) { 16765 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16766 + Binder.getCallingUid()); 16767 return; 16768 } 16769 mContext.enforceCallingOrSelfPermission( 16770 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16771 } 16772 } 16773 16774 int user = UserHandle.getCallingUserId(); 16775 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16776 scheduleWritePackageRestrictionsLocked(user); 16777 } 16778 } 16779 } 16780 16781 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16782 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16783 ArrayList<PreferredActivity> removed = null; 16784 boolean changed = false; 16785 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16786 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16787 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16788 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16789 continue; 16790 } 16791 Iterator<PreferredActivity> it = pir.filterIterator(); 16792 while (it.hasNext()) { 16793 PreferredActivity pa = it.next(); 16794 // Mark entry for removal only if it matches the package name 16795 // and the entry is of type "always". 16796 if (packageName == null || 16797 (pa.mPref.mComponent.getPackageName().equals(packageName) 16798 && pa.mPref.mAlways)) { 16799 if (removed == null) { 16800 removed = new ArrayList<PreferredActivity>(); 16801 } 16802 removed.add(pa); 16803 } 16804 } 16805 if (removed != null) { 16806 for (int j=0; j<removed.size(); j++) { 16807 PreferredActivity pa = removed.get(j); 16808 pir.removeFilter(pa); 16809 } 16810 changed = true; 16811 } 16812 } 16813 return changed; 16814 } 16815 16816 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16817 private void clearIntentFilterVerificationsLPw(int userId) { 16818 final int packageCount = mPackages.size(); 16819 for (int i = 0; i < packageCount; i++) { 16820 PackageParser.Package pkg = mPackages.valueAt(i); 16821 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16822 } 16823 } 16824 16825 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16826 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16827 if (userId == UserHandle.USER_ALL) { 16828 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16829 sUserManager.getUserIds())) { 16830 for (int oneUserId : sUserManager.getUserIds()) { 16831 scheduleWritePackageRestrictionsLocked(oneUserId); 16832 } 16833 } 16834 } else { 16835 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16836 scheduleWritePackageRestrictionsLocked(userId); 16837 } 16838 } 16839 } 16840 16841 void clearDefaultBrowserIfNeeded(String packageName) { 16842 for (int oneUserId : sUserManager.getUserIds()) { 16843 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16844 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16845 if (packageName.equals(defaultBrowserPackageName)) { 16846 setDefaultBrowserPackageName(null, oneUserId); 16847 } 16848 } 16849 } 16850 16851 @Override 16852 public void resetApplicationPreferences(int userId) { 16853 mContext.enforceCallingOrSelfPermission( 16854 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16855 final long identity = Binder.clearCallingIdentity(); 16856 // writer 16857 try { 16858 synchronized (mPackages) { 16859 clearPackagePreferredActivitiesLPw(null, userId); 16860 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16861 // TODO: We have to reset the default SMS and Phone. This requires 16862 // significant refactoring to keep all default apps in the package 16863 // manager (cleaner but more work) or have the services provide 16864 // callbacks to the package manager to request a default app reset. 16865 applyFactoryDefaultBrowserLPw(userId); 16866 clearIntentFilterVerificationsLPw(userId); 16867 primeDomainVerificationsLPw(userId); 16868 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16869 scheduleWritePackageRestrictionsLocked(userId); 16870 } 16871 resetNetworkPolicies(userId); 16872 } finally { 16873 Binder.restoreCallingIdentity(identity); 16874 } 16875 } 16876 16877 @Override 16878 public int getPreferredActivities(List<IntentFilter> outFilters, 16879 List<ComponentName> outActivities, String packageName) { 16880 16881 int num = 0; 16882 final int userId = UserHandle.getCallingUserId(); 16883 // reader 16884 synchronized (mPackages) { 16885 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16886 if (pir != null) { 16887 final Iterator<PreferredActivity> it = pir.filterIterator(); 16888 while (it.hasNext()) { 16889 final PreferredActivity pa = it.next(); 16890 if (packageName == null 16891 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16892 && pa.mPref.mAlways)) { 16893 if (outFilters != null) { 16894 outFilters.add(new IntentFilter(pa)); 16895 } 16896 if (outActivities != null) { 16897 outActivities.add(pa.mPref.mComponent); 16898 } 16899 } 16900 } 16901 } 16902 } 16903 16904 return num; 16905 } 16906 16907 @Override 16908 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16909 int userId) { 16910 int callingUid = Binder.getCallingUid(); 16911 if (callingUid != Process.SYSTEM_UID) { 16912 throw new SecurityException( 16913 "addPersistentPreferredActivity can only be run by the system"); 16914 } 16915 if (filter.countActions() == 0) { 16916 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16917 return; 16918 } 16919 synchronized (mPackages) { 16920 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16921 ":"); 16922 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16923 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16924 new PersistentPreferredActivity(filter, activity)); 16925 scheduleWritePackageRestrictionsLocked(userId); 16926 } 16927 } 16928 16929 @Override 16930 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16931 int callingUid = Binder.getCallingUid(); 16932 if (callingUid != Process.SYSTEM_UID) { 16933 throw new SecurityException( 16934 "clearPackagePersistentPreferredActivities can only be run by the system"); 16935 } 16936 ArrayList<PersistentPreferredActivity> removed = null; 16937 boolean changed = false; 16938 synchronized (mPackages) { 16939 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16940 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16941 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16942 .valueAt(i); 16943 if (userId != thisUserId) { 16944 continue; 16945 } 16946 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16947 while (it.hasNext()) { 16948 PersistentPreferredActivity ppa = it.next(); 16949 // Mark entry for removal only if it matches the package name. 16950 if (ppa.mComponent.getPackageName().equals(packageName)) { 16951 if (removed == null) { 16952 removed = new ArrayList<PersistentPreferredActivity>(); 16953 } 16954 removed.add(ppa); 16955 } 16956 } 16957 if (removed != null) { 16958 for (int j=0; j<removed.size(); j++) { 16959 PersistentPreferredActivity ppa = removed.get(j); 16960 ppir.removeFilter(ppa); 16961 } 16962 changed = true; 16963 } 16964 } 16965 16966 if (changed) { 16967 scheduleWritePackageRestrictionsLocked(userId); 16968 } 16969 } 16970 } 16971 16972 /** 16973 * Common machinery for picking apart a restored XML blob and passing 16974 * it to a caller-supplied functor to be applied to the running system. 16975 */ 16976 private void restoreFromXml(XmlPullParser parser, int userId, 16977 String expectedStartTag, BlobXmlRestorer functor) 16978 throws IOException, XmlPullParserException { 16979 int type; 16980 while ((type = parser.next()) != XmlPullParser.START_TAG 16981 && type != XmlPullParser.END_DOCUMENT) { 16982 } 16983 if (type != XmlPullParser.START_TAG) { 16984 // oops didn't find a start tag?! 16985 if (DEBUG_BACKUP) { 16986 Slog.e(TAG, "Didn't find start tag during restore"); 16987 } 16988 return; 16989 } 16990Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16991 // this is supposed to be TAG_PREFERRED_BACKUP 16992 if (!expectedStartTag.equals(parser.getName())) { 16993 if (DEBUG_BACKUP) { 16994 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16995 } 16996 return; 16997 } 16998 16999 // skip interfering stuff, then we're aligned with the backing implementation 17000 while ((type = parser.next()) == XmlPullParser.TEXT) { } 17001Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 17002 functor.apply(parser, userId); 17003 } 17004 17005 private interface BlobXmlRestorer { 17006 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 17007 } 17008 17009 /** 17010 * Non-Binder method, support for the backup/restore mechanism: write the 17011 * full set of preferred activities in its canonical XML format. Returns the 17012 * XML output as a byte array, or null if there is none. 17013 */ 17014 @Override 17015 public byte[] getPreferredActivityBackup(int userId) { 17016 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17017 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 17018 } 17019 17020 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17021 try { 17022 final XmlSerializer serializer = new FastXmlSerializer(); 17023 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17024 serializer.startDocument(null, true); 17025 serializer.startTag(null, TAG_PREFERRED_BACKUP); 17026 17027 synchronized (mPackages) { 17028 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 17029 } 17030 17031 serializer.endTag(null, TAG_PREFERRED_BACKUP); 17032 serializer.endDocument(); 17033 serializer.flush(); 17034 } catch (Exception e) { 17035 if (DEBUG_BACKUP) { 17036 Slog.e(TAG, "Unable to write preferred activities for backup", e); 17037 } 17038 return null; 17039 } 17040 17041 return dataStream.toByteArray(); 17042 } 17043 17044 @Override 17045 public void restorePreferredActivities(byte[] backup, int userId) { 17046 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17047 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17048 } 17049 17050 try { 17051 final XmlPullParser parser = Xml.newPullParser(); 17052 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17053 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 17054 new BlobXmlRestorer() { 17055 @Override 17056 public void apply(XmlPullParser parser, int userId) 17057 throws XmlPullParserException, IOException { 17058 synchronized (mPackages) { 17059 mSettings.readPreferredActivitiesLPw(parser, userId); 17060 } 17061 } 17062 } ); 17063 } catch (Exception e) { 17064 if (DEBUG_BACKUP) { 17065 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17066 } 17067 } 17068 } 17069 17070 /** 17071 * Non-Binder method, support for the backup/restore mechanism: write the 17072 * default browser (etc) settings in its canonical XML format. Returns the default 17073 * browser XML representation as a byte array, or null if there is none. 17074 */ 17075 @Override 17076 public byte[] getDefaultAppsBackup(int userId) { 17077 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17078 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 17079 } 17080 17081 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17082 try { 17083 final XmlSerializer serializer = new FastXmlSerializer(); 17084 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17085 serializer.startDocument(null, true); 17086 serializer.startTag(null, TAG_DEFAULT_APPS); 17087 17088 synchronized (mPackages) { 17089 mSettings.writeDefaultAppsLPr(serializer, userId); 17090 } 17091 17092 serializer.endTag(null, TAG_DEFAULT_APPS); 17093 serializer.endDocument(); 17094 serializer.flush(); 17095 } catch (Exception e) { 17096 if (DEBUG_BACKUP) { 17097 Slog.e(TAG, "Unable to write default apps for backup", e); 17098 } 17099 return null; 17100 } 17101 17102 return dataStream.toByteArray(); 17103 } 17104 17105 @Override 17106 public void restoreDefaultApps(byte[] backup, int userId) { 17107 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17108 throw new SecurityException("Only the system may call restoreDefaultApps()"); 17109 } 17110 17111 try { 17112 final XmlPullParser parser = Xml.newPullParser(); 17113 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17114 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 17115 new BlobXmlRestorer() { 17116 @Override 17117 public void apply(XmlPullParser parser, int userId) 17118 throws XmlPullParserException, IOException { 17119 synchronized (mPackages) { 17120 mSettings.readDefaultAppsLPw(parser, userId); 17121 } 17122 } 17123 } ); 17124 } catch (Exception e) { 17125 if (DEBUG_BACKUP) { 17126 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 17127 } 17128 } 17129 } 17130 17131 @Override 17132 public byte[] getIntentFilterVerificationBackup(int userId) { 17133 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17134 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 17135 } 17136 17137 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17138 try { 17139 final XmlSerializer serializer = new FastXmlSerializer(); 17140 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17141 serializer.startDocument(null, true); 17142 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 17143 17144 synchronized (mPackages) { 17145 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 17146 } 17147 17148 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 17149 serializer.endDocument(); 17150 serializer.flush(); 17151 } catch (Exception e) { 17152 if (DEBUG_BACKUP) { 17153 Slog.e(TAG, "Unable to write default apps for backup", e); 17154 } 17155 return null; 17156 } 17157 17158 return dataStream.toByteArray(); 17159 } 17160 17161 @Override 17162 public void restoreIntentFilterVerification(byte[] backup, int userId) { 17163 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17164 throw new SecurityException("Only the system may call restorePreferredActivities()"); 17165 } 17166 17167 try { 17168 final XmlPullParser parser = Xml.newPullParser(); 17169 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17170 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 17171 new BlobXmlRestorer() { 17172 @Override 17173 public void apply(XmlPullParser parser, int userId) 17174 throws XmlPullParserException, IOException { 17175 synchronized (mPackages) { 17176 mSettings.readAllDomainVerificationsLPr(parser, userId); 17177 mSettings.writeLPr(); 17178 } 17179 } 17180 } ); 17181 } catch (Exception e) { 17182 if (DEBUG_BACKUP) { 17183 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17184 } 17185 } 17186 } 17187 17188 @Override 17189 public byte[] getPermissionGrantBackup(int userId) { 17190 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17191 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 17192 } 17193 17194 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 17195 try { 17196 final XmlSerializer serializer = new FastXmlSerializer(); 17197 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 17198 serializer.startDocument(null, true); 17199 serializer.startTag(null, TAG_PERMISSION_BACKUP); 17200 17201 synchronized (mPackages) { 17202 serializeRuntimePermissionGrantsLPr(serializer, userId); 17203 } 17204 17205 serializer.endTag(null, TAG_PERMISSION_BACKUP); 17206 serializer.endDocument(); 17207 serializer.flush(); 17208 } catch (Exception e) { 17209 if (DEBUG_BACKUP) { 17210 Slog.e(TAG, "Unable to write default apps for backup", e); 17211 } 17212 return null; 17213 } 17214 17215 return dataStream.toByteArray(); 17216 } 17217 17218 @Override 17219 public void restorePermissionGrants(byte[] backup, int userId) { 17220 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 17221 throw new SecurityException("Only the system may call restorePermissionGrants()"); 17222 } 17223 17224 try { 17225 final XmlPullParser parser = Xml.newPullParser(); 17226 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 17227 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 17228 new BlobXmlRestorer() { 17229 @Override 17230 public void apply(XmlPullParser parser, int userId) 17231 throws XmlPullParserException, IOException { 17232 synchronized (mPackages) { 17233 processRestoredPermissionGrantsLPr(parser, userId); 17234 } 17235 } 17236 } ); 17237 } catch (Exception e) { 17238 if (DEBUG_BACKUP) { 17239 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 17240 } 17241 } 17242 } 17243 17244 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 17245 throws IOException { 17246 serializer.startTag(null, TAG_ALL_GRANTS); 17247 17248 final int N = mSettings.mPackages.size(); 17249 for (int i = 0; i < N; i++) { 17250 final PackageSetting ps = mSettings.mPackages.valueAt(i); 17251 boolean pkgGrantsKnown = false; 17252 17253 PermissionsState packagePerms = ps.getPermissionsState(); 17254 17255 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 17256 final int grantFlags = state.getFlags(); 17257 // only look at grants that are not system/policy fixed 17258 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 17259 final boolean isGranted = state.isGranted(); 17260 // And only back up the user-twiddled state bits 17261 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 17262 final String packageName = mSettings.mPackages.keyAt(i); 17263 if (!pkgGrantsKnown) { 17264 serializer.startTag(null, TAG_GRANT); 17265 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 17266 pkgGrantsKnown = true; 17267 } 17268 17269 final boolean userSet = 17270 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 17271 final boolean userFixed = 17272 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 17273 final boolean revoke = 17274 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 17275 17276 serializer.startTag(null, TAG_PERMISSION); 17277 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 17278 if (isGranted) { 17279 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 17280 } 17281 if (userSet) { 17282 serializer.attribute(null, ATTR_USER_SET, "true"); 17283 } 17284 if (userFixed) { 17285 serializer.attribute(null, ATTR_USER_FIXED, "true"); 17286 } 17287 if (revoke) { 17288 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 17289 } 17290 serializer.endTag(null, TAG_PERMISSION); 17291 } 17292 } 17293 } 17294 17295 if (pkgGrantsKnown) { 17296 serializer.endTag(null, TAG_GRANT); 17297 } 17298 } 17299 17300 serializer.endTag(null, TAG_ALL_GRANTS); 17301 } 17302 17303 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17304 throws XmlPullParserException, IOException { 17305 String pkgName = null; 17306 int outerDepth = parser.getDepth(); 17307 int type; 17308 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17309 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17310 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17311 continue; 17312 } 17313 17314 final String tagName = parser.getName(); 17315 if (tagName.equals(TAG_GRANT)) { 17316 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17317 if (DEBUG_BACKUP) { 17318 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17319 } 17320 } else if (tagName.equals(TAG_PERMISSION)) { 17321 17322 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17323 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17324 17325 int newFlagSet = 0; 17326 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17327 newFlagSet |= FLAG_PERMISSION_USER_SET; 17328 } 17329 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17330 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17331 } 17332 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17333 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17334 } 17335 if (DEBUG_BACKUP) { 17336 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17337 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17338 } 17339 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17340 if (ps != null) { 17341 // Already installed so we apply the grant immediately 17342 if (DEBUG_BACKUP) { 17343 Slog.v(TAG, " + already installed; applying"); 17344 } 17345 PermissionsState perms = ps.getPermissionsState(); 17346 BasePermission bp = mSettings.mPermissions.get(permName); 17347 if (bp != null) { 17348 if (isGranted) { 17349 perms.grantRuntimePermission(bp, userId); 17350 } 17351 if (newFlagSet != 0) { 17352 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17353 } 17354 } 17355 } else { 17356 // Need to wait for post-restore install to apply the grant 17357 if (DEBUG_BACKUP) { 17358 Slog.v(TAG, " - not yet installed; saving for later"); 17359 } 17360 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17361 isGranted, newFlagSet, userId); 17362 } 17363 } else { 17364 PackageManagerService.reportSettingsProblem(Log.WARN, 17365 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17366 XmlUtils.skipCurrentTag(parser); 17367 } 17368 } 17369 17370 scheduleWriteSettingsLocked(); 17371 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17372 } 17373 17374 @Override 17375 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17376 int sourceUserId, int targetUserId, int flags) { 17377 mContext.enforceCallingOrSelfPermission( 17378 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17379 int callingUid = Binder.getCallingUid(); 17380 enforceOwnerRights(ownerPackage, callingUid); 17381 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17382 if (intentFilter.countActions() == 0) { 17383 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17384 return; 17385 } 17386 synchronized (mPackages) { 17387 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17388 ownerPackage, targetUserId, flags); 17389 CrossProfileIntentResolver resolver = 17390 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17391 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17392 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17393 if (existing != null) { 17394 int size = existing.size(); 17395 for (int i = 0; i < size; i++) { 17396 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17397 return; 17398 } 17399 } 17400 } 17401 resolver.addFilter(newFilter); 17402 scheduleWritePackageRestrictionsLocked(sourceUserId); 17403 } 17404 } 17405 17406 @Override 17407 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17408 mContext.enforceCallingOrSelfPermission( 17409 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17410 int callingUid = Binder.getCallingUid(); 17411 enforceOwnerRights(ownerPackage, callingUid); 17412 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17413 synchronized (mPackages) { 17414 CrossProfileIntentResolver resolver = 17415 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17416 ArraySet<CrossProfileIntentFilter> set = 17417 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17418 for (CrossProfileIntentFilter filter : set) { 17419 if (filter.getOwnerPackage().equals(ownerPackage)) { 17420 resolver.removeFilter(filter); 17421 } 17422 } 17423 scheduleWritePackageRestrictionsLocked(sourceUserId); 17424 } 17425 } 17426 17427 // Enforcing that callingUid is owning pkg on userId 17428 private void enforceOwnerRights(String pkg, int callingUid) { 17429 // The system owns everything. 17430 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17431 return; 17432 } 17433 int callingUserId = UserHandle.getUserId(callingUid); 17434 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17435 if (pi == null) { 17436 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17437 + callingUserId); 17438 } 17439 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17440 throw new SecurityException("Calling uid " + callingUid 17441 + " does not own package " + pkg); 17442 } 17443 } 17444 17445 @Override 17446 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17447 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17448 } 17449 17450 private Intent getHomeIntent() { 17451 Intent intent = new Intent(Intent.ACTION_MAIN); 17452 intent.addCategory(Intent.CATEGORY_HOME); 17453 return intent; 17454 } 17455 17456 private IntentFilter getHomeFilter() { 17457 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17458 filter.addCategory(Intent.CATEGORY_HOME); 17459 filter.addCategory(Intent.CATEGORY_DEFAULT); 17460 return filter; 17461 } 17462 17463 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17464 int userId) { 17465 Intent intent = getHomeIntent(); 17466 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17467 PackageManager.GET_META_DATA, userId); 17468 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17469 true, false, false, userId); 17470 17471 allHomeCandidates.clear(); 17472 if (list != null) { 17473 for (ResolveInfo ri : list) { 17474 allHomeCandidates.add(ri); 17475 } 17476 } 17477 return (preferred == null || preferred.activityInfo == null) 17478 ? null 17479 : new ComponentName(preferred.activityInfo.packageName, 17480 preferred.activityInfo.name); 17481 } 17482 17483 @Override 17484 public void setHomeActivity(ComponentName comp, int userId) { 17485 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17486 getHomeActivitiesAsUser(homeActivities, userId); 17487 17488 boolean found = false; 17489 17490 final int size = homeActivities.size(); 17491 final ComponentName[] set = new ComponentName[size]; 17492 for (int i = 0; i < size; i++) { 17493 final ResolveInfo candidate = homeActivities.get(i); 17494 final ActivityInfo info = candidate.activityInfo; 17495 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17496 set[i] = activityName; 17497 if (!found && activityName.equals(comp)) { 17498 found = true; 17499 } 17500 } 17501 if (!found) { 17502 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17503 + userId); 17504 } 17505 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17506 set, comp, userId); 17507 } 17508 17509 private @Nullable String getSetupWizardPackageName() { 17510 final Intent intent = new Intent(Intent.ACTION_MAIN); 17511 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17512 17513 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17514 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17515 | MATCH_DISABLED_COMPONENTS, 17516 UserHandle.myUserId()); 17517 if (matches.size() == 1) { 17518 return matches.get(0).getComponentInfo().packageName; 17519 } else { 17520 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17521 + ": matches=" + matches); 17522 return null; 17523 } 17524 } 17525 17526 @Override 17527 public void setApplicationEnabledSetting(String appPackageName, 17528 int newState, int flags, int userId, String callingPackage) { 17529 if (!sUserManager.exists(userId)) return; 17530 if (callingPackage == null) { 17531 callingPackage = Integer.toString(Binder.getCallingUid()); 17532 } 17533 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17534 } 17535 17536 @Override 17537 public void setComponentEnabledSetting(ComponentName componentName, 17538 int newState, int flags, int userId) { 17539 if (!sUserManager.exists(userId)) return; 17540 setEnabledSetting(componentName.getPackageName(), 17541 componentName.getClassName(), newState, flags, userId, null); 17542 } 17543 17544 private void setEnabledSetting(final String packageName, String className, int newState, 17545 final int flags, int userId, String callingPackage) { 17546 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17547 || newState == COMPONENT_ENABLED_STATE_ENABLED 17548 || newState == COMPONENT_ENABLED_STATE_DISABLED 17549 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17550 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17551 throw new IllegalArgumentException("Invalid new component state: " 17552 + newState); 17553 } 17554 PackageSetting pkgSetting; 17555 final int uid = Binder.getCallingUid(); 17556 final int permission; 17557 if (uid == Process.SYSTEM_UID) { 17558 permission = PackageManager.PERMISSION_GRANTED; 17559 } else { 17560 permission = mContext.checkCallingOrSelfPermission( 17561 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17562 } 17563 enforceCrossUserPermission(uid, userId, 17564 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17565 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17566 boolean sendNow = false; 17567 boolean isApp = (className == null); 17568 String componentName = isApp ? packageName : className; 17569 int packageUid = -1; 17570 ArrayList<String> components; 17571 17572 // writer 17573 synchronized (mPackages) { 17574 pkgSetting = mSettings.mPackages.get(packageName); 17575 if (pkgSetting == null) { 17576 if (className == null) { 17577 throw new IllegalArgumentException("Unknown package: " + packageName); 17578 } 17579 throw new IllegalArgumentException( 17580 "Unknown component: " + packageName + "/" + className); 17581 } 17582 } 17583 17584 // Limit who can change which apps 17585 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 17586 // Don't allow apps that don't have permission to modify other apps 17587 if (!allowedByPermission) { 17588 throw new SecurityException( 17589 "Permission Denial: attempt to change component state from pid=" 17590 + Binder.getCallingPid() 17591 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17592 } 17593 // Don't allow changing profile and device owners. Calling into DPMS, so no locking. 17594 final DevicePolicyManagerInternal dpmi = LocalServices 17595 .getService(DevicePolicyManagerInternal.class); 17596 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 17597 throw new SecurityException("Cannot disable a device owner or a profile owner"); 17598 } 17599 } 17600 17601 synchronized (mPackages) { 17602 if (uid == Process.SHELL_UID) { 17603 // Shell can only change whole packages between ENABLED and DISABLED_USER states 17604 int oldState = pkgSetting.getEnabled(userId); 17605 if (className == null 17606 && 17607 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 17608 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 17609 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 17610 && 17611 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17612 || newState == COMPONENT_ENABLED_STATE_DEFAULT 17613 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 17614 // ok 17615 } else { 17616 throw new SecurityException( 17617 "Shell cannot change component state for " + packageName + "/" 17618 + className + " to " + newState); 17619 } 17620 } 17621 if (className == null) { 17622 // We're dealing with an application/package level state change 17623 if (pkgSetting.getEnabled(userId) == newState) { 17624 // Nothing to do 17625 return; 17626 } 17627 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17628 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17629 // Don't care about who enables an app. 17630 callingPackage = null; 17631 } 17632 pkgSetting.setEnabled(newState, userId, callingPackage); 17633 // pkgSetting.pkg.mSetEnabled = newState; 17634 } else { 17635 // We're dealing with a component level state change 17636 // First, verify that this is a valid class name. 17637 PackageParser.Package pkg = pkgSetting.pkg; 17638 if (pkg == null || !pkg.hasComponentClassName(className)) { 17639 if (pkg != null && 17640 pkg.applicationInfo.targetSdkVersion >= 17641 Build.VERSION_CODES.JELLY_BEAN) { 17642 throw new IllegalArgumentException("Component class " + className 17643 + " does not exist in " + packageName); 17644 } else { 17645 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17646 + className + " does not exist in " + packageName); 17647 } 17648 } 17649 switch (newState) { 17650 case COMPONENT_ENABLED_STATE_ENABLED: 17651 if (!pkgSetting.enableComponentLPw(className, userId)) { 17652 return; 17653 } 17654 break; 17655 case COMPONENT_ENABLED_STATE_DISABLED: 17656 if (!pkgSetting.disableComponentLPw(className, userId)) { 17657 return; 17658 } 17659 break; 17660 case COMPONENT_ENABLED_STATE_DEFAULT: 17661 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17662 return; 17663 } 17664 break; 17665 default: 17666 Slog.e(TAG, "Invalid new component state: " + newState); 17667 return; 17668 } 17669 } 17670 scheduleWritePackageRestrictionsLocked(userId); 17671 components = mPendingBroadcasts.get(userId, packageName); 17672 final boolean newPackage = components == null; 17673 if (newPackage) { 17674 components = new ArrayList<String>(); 17675 } 17676 if (!components.contains(componentName)) { 17677 components.add(componentName); 17678 } 17679 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17680 sendNow = true; 17681 // Purge entry from pending broadcast list if another one exists already 17682 // since we are sending one right away. 17683 mPendingBroadcasts.remove(userId, packageName); 17684 } else { 17685 if (newPackage) { 17686 mPendingBroadcasts.put(userId, packageName, components); 17687 } 17688 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17689 // Schedule a message 17690 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17691 } 17692 } 17693 } 17694 17695 long callingId = Binder.clearCallingIdentity(); 17696 try { 17697 if (sendNow) { 17698 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17699 sendPackageChangedBroadcast(packageName, 17700 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17701 } 17702 } finally { 17703 Binder.restoreCallingIdentity(callingId); 17704 } 17705 } 17706 17707 @Override 17708 public void flushPackageRestrictionsAsUser(int userId) { 17709 if (!sUserManager.exists(userId)) { 17710 return; 17711 } 17712 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17713 false /* checkShell */, "flushPackageRestrictions"); 17714 synchronized (mPackages) { 17715 mSettings.writePackageRestrictionsLPr(userId); 17716 mDirtyUsers.remove(userId); 17717 if (mDirtyUsers.isEmpty()) { 17718 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17719 } 17720 } 17721 } 17722 17723 private void sendPackageChangedBroadcast(String packageName, 17724 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17725 if (DEBUG_INSTALL) 17726 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17727 + componentNames); 17728 Bundle extras = new Bundle(4); 17729 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17730 String nameList[] = new String[componentNames.size()]; 17731 componentNames.toArray(nameList); 17732 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17733 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17734 extras.putInt(Intent.EXTRA_UID, packageUid); 17735 // If this is not reporting a change of the overall package, then only send it 17736 // to registered receivers. We don't want to launch a swath of apps for every 17737 // little component state change. 17738 final int flags = !componentNames.contains(packageName) 17739 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17740 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17741 new int[] {UserHandle.getUserId(packageUid)}); 17742 } 17743 17744 @Override 17745 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17746 if (!sUserManager.exists(userId)) return; 17747 final int uid = Binder.getCallingUid(); 17748 final int permission = mContext.checkCallingOrSelfPermission( 17749 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17750 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17751 enforceCrossUserPermission(uid, userId, 17752 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17753 // writer 17754 synchronized (mPackages) { 17755 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17756 allowedByPermission, uid, userId)) { 17757 scheduleWritePackageRestrictionsLocked(userId); 17758 } 17759 } 17760 } 17761 17762 @Override 17763 public String getInstallerPackageName(String packageName) { 17764 // reader 17765 synchronized (mPackages) { 17766 return mSettings.getInstallerPackageNameLPr(packageName); 17767 } 17768 } 17769 17770 public boolean isOrphaned(String packageName) { 17771 // reader 17772 synchronized (mPackages) { 17773 return mSettings.isOrphaned(packageName); 17774 } 17775 } 17776 17777 @Override 17778 public int getApplicationEnabledSetting(String packageName, int userId) { 17779 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17780 int uid = Binder.getCallingUid(); 17781 enforceCrossUserPermission(uid, userId, 17782 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17783 // reader 17784 synchronized (mPackages) { 17785 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17786 } 17787 } 17788 17789 @Override 17790 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17791 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17792 int uid = Binder.getCallingUid(); 17793 enforceCrossUserPermission(uid, userId, 17794 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17795 // reader 17796 synchronized (mPackages) { 17797 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17798 } 17799 } 17800 17801 @Override 17802 public void enterSafeMode() { 17803 enforceSystemOrRoot("Only the system can request entering safe mode"); 17804 17805 if (!mSystemReady) { 17806 mSafeMode = true; 17807 } 17808 } 17809 17810 @Override 17811 public void systemReady() { 17812 mSystemReady = true; 17813 17814 // Read the compatibilty setting when the system is ready. 17815 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17816 mContext.getContentResolver(), 17817 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17818 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17819 if (DEBUG_SETTINGS) { 17820 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17821 } 17822 17823 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17824 17825 synchronized (mPackages) { 17826 // Verify that all of the preferred activity components actually 17827 // exist. It is possible for applications to be updated and at 17828 // that point remove a previously declared activity component that 17829 // had been set as a preferred activity. We try to clean this up 17830 // the next time we encounter that preferred activity, but it is 17831 // possible for the user flow to never be able to return to that 17832 // situation so here we do a sanity check to make sure we haven't 17833 // left any junk around. 17834 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17835 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17836 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17837 removed.clear(); 17838 for (PreferredActivity pa : pir.filterSet()) { 17839 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17840 removed.add(pa); 17841 } 17842 } 17843 if (removed.size() > 0) { 17844 for (int r=0; r<removed.size(); r++) { 17845 PreferredActivity pa = removed.get(r); 17846 Slog.w(TAG, "Removing dangling preferred activity: " 17847 + pa.mPref.mComponent); 17848 pir.removeFilter(pa); 17849 } 17850 mSettings.writePackageRestrictionsLPr( 17851 mSettings.mPreferredActivities.keyAt(i)); 17852 } 17853 } 17854 17855 for (int userId : UserManagerService.getInstance().getUserIds()) { 17856 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17857 grantPermissionsUserIds = ArrayUtils.appendInt( 17858 grantPermissionsUserIds, userId); 17859 } 17860 } 17861 } 17862 sUserManager.systemReady(); 17863 17864 // If we upgraded grant all default permissions before kicking off. 17865 for (int userId : grantPermissionsUserIds) { 17866 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17867 } 17868 17869 // Kick off any messages waiting for system ready 17870 if (mPostSystemReadyMessages != null) { 17871 for (Message msg : mPostSystemReadyMessages) { 17872 msg.sendToTarget(); 17873 } 17874 mPostSystemReadyMessages = null; 17875 } 17876 17877 // Watch for external volumes that come and go over time 17878 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17879 storage.registerListener(mStorageListener); 17880 17881 mInstallerService.systemReady(); 17882 mPackageDexOptimizer.systemReady(); 17883 17884 MountServiceInternal mountServiceInternal = LocalServices.getService( 17885 MountServiceInternal.class); 17886 mountServiceInternal.addExternalStoragePolicy( 17887 new MountServiceInternal.ExternalStorageMountPolicy() { 17888 @Override 17889 public int getMountMode(int uid, String packageName) { 17890 if (Process.isIsolated(uid)) { 17891 return Zygote.MOUNT_EXTERNAL_NONE; 17892 } 17893 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17894 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17895 } 17896 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17897 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17898 } 17899 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17900 return Zygote.MOUNT_EXTERNAL_READ; 17901 } 17902 return Zygote.MOUNT_EXTERNAL_WRITE; 17903 } 17904 17905 @Override 17906 public boolean hasExternalStorage(int uid, String packageName) { 17907 return true; 17908 } 17909 }); 17910 17911 // Now that we're mostly running, clean up stale users and apps 17912 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17913 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17914 } 17915 17916 @Override 17917 public boolean isSafeMode() { 17918 return mSafeMode; 17919 } 17920 17921 @Override 17922 public boolean hasSystemUidErrors() { 17923 return mHasSystemUidErrors; 17924 } 17925 17926 static String arrayToString(int[] array) { 17927 StringBuffer buf = new StringBuffer(128); 17928 buf.append('['); 17929 if (array != null) { 17930 for (int i=0; i<array.length; i++) { 17931 if (i > 0) buf.append(", "); 17932 buf.append(array[i]); 17933 } 17934 } 17935 buf.append(']'); 17936 return buf.toString(); 17937 } 17938 17939 static class DumpState { 17940 public static final int DUMP_LIBS = 1 << 0; 17941 public static final int DUMP_FEATURES = 1 << 1; 17942 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17943 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17944 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17945 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17946 public static final int DUMP_PERMISSIONS = 1 << 6; 17947 public static final int DUMP_PACKAGES = 1 << 7; 17948 public static final int DUMP_SHARED_USERS = 1 << 8; 17949 public static final int DUMP_MESSAGES = 1 << 9; 17950 public static final int DUMP_PROVIDERS = 1 << 10; 17951 public static final int DUMP_VERIFIERS = 1 << 11; 17952 public static final int DUMP_PREFERRED = 1 << 12; 17953 public static final int DUMP_PREFERRED_XML = 1 << 13; 17954 public static final int DUMP_KEYSETS = 1 << 14; 17955 public static final int DUMP_VERSION = 1 << 15; 17956 public static final int DUMP_INSTALLS = 1 << 16; 17957 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17958 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17959 public static final int DUMP_FROZEN = 1 << 19; 17960 public static final int DUMP_DEXOPT = 1 << 20; 17961 17962 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17963 17964 private int mTypes; 17965 17966 private int mOptions; 17967 17968 private boolean mTitlePrinted; 17969 17970 private SharedUserSetting mSharedUser; 17971 17972 public boolean isDumping(int type) { 17973 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17974 return true; 17975 } 17976 17977 return (mTypes & type) != 0; 17978 } 17979 17980 public void setDump(int type) { 17981 mTypes |= type; 17982 } 17983 17984 public boolean isOptionEnabled(int option) { 17985 return (mOptions & option) != 0; 17986 } 17987 17988 public void setOptionEnabled(int option) { 17989 mOptions |= option; 17990 } 17991 17992 public boolean onTitlePrinted() { 17993 final boolean printed = mTitlePrinted; 17994 mTitlePrinted = true; 17995 return printed; 17996 } 17997 17998 public boolean getTitlePrinted() { 17999 return mTitlePrinted; 18000 } 18001 18002 public void setTitlePrinted(boolean enabled) { 18003 mTitlePrinted = enabled; 18004 } 18005 18006 public SharedUserSetting getSharedUser() { 18007 return mSharedUser; 18008 } 18009 18010 public void setSharedUser(SharedUserSetting user) { 18011 mSharedUser = user; 18012 } 18013 } 18014 18015 @Override 18016 public void onShellCommand(FileDescriptor in, FileDescriptor out, 18017 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 18018 (new PackageManagerShellCommand(this)).exec( 18019 this, in, out, err, args, resultReceiver); 18020 } 18021 18022 @Override 18023 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 18024 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 18025 != PackageManager.PERMISSION_GRANTED) { 18026 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 18027 + Binder.getCallingPid() 18028 + ", uid=" + Binder.getCallingUid() 18029 + " without permission " 18030 + android.Manifest.permission.DUMP); 18031 return; 18032 } 18033 18034 DumpState dumpState = new DumpState(); 18035 boolean fullPreferred = false; 18036 boolean checkin = false; 18037 18038 String packageName = null; 18039 ArraySet<String> permissionNames = null; 18040 18041 int opti = 0; 18042 while (opti < args.length) { 18043 String opt = args[opti]; 18044 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 18045 break; 18046 } 18047 opti++; 18048 18049 if ("-a".equals(opt)) { 18050 // Right now we only know how to print all. 18051 } else if ("-h".equals(opt)) { 18052 pw.println("Package manager dump options:"); 18053 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 18054 pw.println(" --checkin: dump for a checkin"); 18055 pw.println(" -f: print details of intent filters"); 18056 pw.println(" -h: print this help"); 18057 pw.println(" cmd may be one of:"); 18058 pw.println(" l[ibraries]: list known shared libraries"); 18059 pw.println(" f[eatures]: list device features"); 18060 pw.println(" k[eysets]: print known keysets"); 18061 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 18062 pw.println(" perm[issions]: dump permissions"); 18063 pw.println(" permission [name ...]: dump declaration and use of given permission"); 18064 pw.println(" pref[erred]: print preferred package settings"); 18065 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 18066 pw.println(" prov[iders]: dump content providers"); 18067 pw.println(" p[ackages]: dump installed packages"); 18068 pw.println(" s[hared-users]: dump shared user IDs"); 18069 pw.println(" m[essages]: print collected runtime messages"); 18070 pw.println(" v[erifiers]: print package verifier info"); 18071 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 18072 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 18073 pw.println(" version: print database version info"); 18074 pw.println(" write: write current settings now"); 18075 pw.println(" installs: details about install sessions"); 18076 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 18077 pw.println(" dexopt: dump dexopt state"); 18078 pw.println(" <package.name>: info about given package"); 18079 return; 18080 } else if ("--checkin".equals(opt)) { 18081 checkin = true; 18082 } else if ("-f".equals(opt)) { 18083 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18084 } else { 18085 pw.println("Unknown argument: " + opt + "; use -h for help"); 18086 } 18087 } 18088 18089 // Is the caller requesting to dump a particular piece of data? 18090 if (opti < args.length) { 18091 String cmd = args[opti]; 18092 opti++; 18093 // Is this a package name? 18094 if ("android".equals(cmd) || cmd.contains(".")) { 18095 packageName = cmd; 18096 // When dumping a single package, we always dump all of its 18097 // filter information since the amount of data will be reasonable. 18098 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 18099 } else if ("check-permission".equals(cmd)) { 18100 if (opti >= args.length) { 18101 pw.println("Error: check-permission missing permission argument"); 18102 return; 18103 } 18104 String perm = args[opti]; 18105 opti++; 18106 if (opti >= args.length) { 18107 pw.println("Error: check-permission missing package argument"); 18108 return; 18109 } 18110 String pkg = args[opti]; 18111 opti++; 18112 int user = UserHandle.getUserId(Binder.getCallingUid()); 18113 if (opti < args.length) { 18114 try { 18115 user = Integer.parseInt(args[opti]); 18116 } catch (NumberFormatException e) { 18117 pw.println("Error: check-permission user argument is not a number: " 18118 + args[opti]); 18119 return; 18120 } 18121 } 18122 pw.println(checkPermission(perm, pkg, user)); 18123 return; 18124 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 18125 dumpState.setDump(DumpState.DUMP_LIBS); 18126 } else if ("f".equals(cmd) || "features".equals(cmd)) { 18127 dumpState.setDump(DumpState.DUMP_FEATURES); 18128 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 18129 if (opti >= args.length) { 18130 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 18131 | DumpState.DUMP_SERVICE_RESOLVERS 18132 | DumpState.DUMP_RECEIVER_RESOLVERS 18133 | DumpState.DUMP_CONTENT_RESOLVERS); 18134 } else { 18135 while (opti < args.length) { 18136 String name = args[opti]; 18137 if ("a".equals(name) || "activity".equals(name)) { 18138 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 18139 } else if ("s".equals(name) || "service".equals(name)) { 18140 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 18141 } else if ("r".equals(name) || "receiver".equals(name)) { 18142 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 18143 } else if ("c".equals(name) || "content".equals(name)) { 18144 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 18145 } else { 18146 pw.println("Error: unknown resolver table type: " + name); 18147 return; 18148 } 18149 opti++; 18150 } 18151 } 18152 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 18153 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 18154 } else if ("permission".equals(cmd)) { 18155 if (opti >= args.length) { 18156 pw.println("Error: permission requires permission name"); 18157 return; 18158 } 18159 permissionNames = new ArraySet<>(); 18160 while (opti < args.length) { 18161 permissionNames.add(args[opti]); 18162 opti++; 18163 } 18164 dumpState.setDump(DumpState.DUMP_PERMISSIONS 18165 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 18166 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 18167 dumpState.setDump(DumpState.DUMP_PREFERRED); 18168 } else if ("preferred-xml".equals(cmd)) { 18169 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 18170 if (opti < args.length && "--full".equals(args[opti])) { 18171 fullPreferred = true; 18172 opti++; 18173 } 18174 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 18175 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 18176 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 18177 dumpState.setDump(DumpState.DUMP_PACKAGES); 18178 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 18179 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 18180 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 18181 dumpState.setDump(DumpState.DUMP_PROVIDERS); 18182 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 18183 dumpState.setDump(DumpState.DUMP_MESSAGES); 18184 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 18185 dumpState.setDump(DumpState.DUMP_VERIFIERS); 18186 } else if ("i".equals(cmd) || "ifv".equals(cmd) 18187 || "intent-filter-verifiers".equals(cmd)) { 18188 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 18189 } else if ("version".equals(cmd)) { 18190 dumpState.setDump(DumpState.DUMP_VERSION); 18191 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 18192 dumpState.setDump(DumpState.DUMP_KEYSETS); 18193 } else if ("installs".equals(cmd)) { 18194 dumpState.setDump(DumpState.DUMP_INSTALLS); 18195 } else if ("frozen".equals(cmd)) { 18196 dumpState.setDump(DumpState.DUMP_FROZEN); 18197 } else if ("dexopt".equals(cmd)) { 18198 dumpState.setDump(DumpState.DUMP_DEXOPT); 18199 } else if ("write".equals(cmd)) { 18200 synchronized (mPackages) { 18201 mSettings.writeLPr(); 18202 pw.println("Settings written."); 18203 return; 18204 } 18205 } 18206 } 18207 18208 if (checkin) { 18209 pw.println("vers,1"); 18210 } 18211 18212 // reader 18213 synchronized (mPackages) { 18214 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 18215 if (!checkin) { 18216 if (dumpState.onTitlePrinted()) 18217 pw.println(); 18218 pw.println("Database versions:"); 18219 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 18220 } 18221 } 18222 18223 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 18224 if (!checkin) { 18225 if (dumpState.onTitlePrinted()) 18226 pw.println(); 18227 pw.println("Verifiers:"); 18228 pw.print(" Required: "); 18229 pw.print(mRequiredVerifierPackage); 18230 pw.print(" (uid="); 18231 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18232 UserHandle.USER_SYSTEM)); 18233 pw.println(")"); 18234 } else if (mRequiredVerifierPackage != null) { 18235 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 18236 pw.print(","); 18237 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 18238 UserHandle.USER_SYSTEM)); 18239 } 18240 } 18241 18242 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 18243 packageName == null) { 18244 if (mIntentFilterVerifierComponent != null) { 18245 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 18246 if (!checkin) { 18247 if (dumpState.onTitlePrinted()) 18248 pw.println(); 18249 pw.println("Intent Filter Verifier:"); 18250 pw.print(" Using: "); 18251 pw.print(verifierPackageName); 18252 pw.print(" (uid="); 18253 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18254 UserHandle.USER_SYSTEM)); 18255 pw.println(")"); 18256 } else if (verifierPackageName != null) { 18257 pw.print("ifv,"); pw.print(verifierPackageName); 18258 pw.print(","); 18259 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 18260 UserHandle.USER_SYSTEM)); 18261 } 18262 } else { 18263 pw.println(); 18264 pw.println("No Intent Filter Verifier available!"); 18265 } 18266 } 18267 18268 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 18269 boolean printedHeader = false; 18270 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 18271 while (it.hasNext()) { 18272 String name = it.next(); 18273 SharedLibraryEntry ent = mSharedLibraries.get(name); 18274 if (!checkin) { 18275 if (!printedHeader) { 18276 if (dumpState.onTitlePrinted()) 18277 pw.println(); 18278 pw.println("Libraries:"); 18279 printedHeader = true; 18280 } 18281 pw.print(" "); 18282 } else { 18283 pw.print("lib,"); 18284 } 18285 pw.print(name); 18286 if (!checkin) { 18287 pw.print(" -> "); 18288 } 18289 if (ent.path != null) { 18290 if (!checkin) { 18291 pw.print("(jar) "); 18292 pw.print(ent.path); 18293 } else { 18294 pw.print(",jar,"); 18295 pw.print(ent.path); 18296 } 18297 } else { 18298 if (!checkin) { 18299 pw.print("(apk) "); 18300 pw.print(ent.apk); 18301 } else { 18302 pw.print(",apk,"); 18303 pw.print(ent.apk); 18304 } 18305 } 18306 pw.println(); 18307 } 18308 } 18309 18310 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 18311 if (dumpState.onTitlePrinted()) 18312 pw.println(); 18313 if (!checkin) { 18314 pw.println("Features:"); 18315 } 18316 18317 for (FeatureInfo feat : mAvailableFeatures.values()) { 18318 if (checkin) { 18319 pw.print("feat,"); 18320 pw.print(feat.name); 18321 pw.print(","); 18322 pw.println(feat.version); 18323 } else { 18324 pw.print(" "); 18325 pw.print(feat.name); 18326 if (feat.version > 0) { 18327 pw.print(" version="); 18328 pw.print(feat.version); 18329 } 18330 pw.println(); 18331 } 18332 } 18333 } 18334 18335 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18336 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18337 : "Activity Resolver Table:", " ", packageName, 18338 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18339 dumpState.setTitlePrinted(true); 18340 } 18341 } 18342 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18343 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18344 : "Receiver Resolver Table:", " ", packageName, 18345 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18346 dumpState.setTitlePrinted(true); 18347 } 18348 } 18349 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18350 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18351 : "Service Resolver Table:", " ", packageName, 18352 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18353 dumpState.setTitlePrinted(true); 18354 } 18355 } 18356 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18357 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18358 : "Provider Resolver Table:", " ", packageName, 18359 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18360 dumpState.setTitlePrinted(true); 18361 } 18362 } 18363 18364 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18365 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18366 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18367 int user = mSettings.mPreferredActivities.keyAt(i); 18368 if (pir.dump(pw, 18369 dumpState.getTitlePrinted() 18370 ? "\nPreferred Activities User " + user + ":" 18371 : "Preferred Activities User " + user + ":", " ", 18372 packageName, true, false)) { 18373 dumpState.setTitlePrinted(true); 18374 } 18375 } 18376 } 18377 18378 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18379 pw.flush(); 18380 FileOutputStream fout = new FileOutputStream(fd); 18381 BufferedOutputStream str = new BufferedOutputStream(fout); 18382 XmlSerializer serializer = new FastXmlSerializer(); 18383 try { 18384 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18385 serializer.startDocument(null, true); 18386 serializer.setFeature( 18387 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18388 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18389 serializer.endDocument(); 18390 serializer.flush(); 18391 } catch (IllegalArgumentException e) { 18392 pw.println("Failed writing: " + e); 18393 } catch (IllegalStateException e) { 18394 pw.println("Failed writing: " + e); 18395 } catch (IOException e) { 18396 pw.println("Failed writing: " + e); 18397 } 18398 } 18399 18400 if (!checkin 18401 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18402 && packageName == null) { 18403 pw.println(); 18404 int count = mSettings.mPackages.size(); 18405 if (count == 0) { 18406 pw.println("No applications!"); 18407 pw.println(); 18408 } else { 18409 final String prefix = " "; 18410 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18411 if (allPackageSettings.size() == 0) { 18412 pw.println("No domain preferred apps!"); 18413 pw.println(); 18414 } else { 18415 pw.println("App verification status:"); 18416 pw.println(); 18417 count = 0; 18418 for (PackageSetting ps : allPackageSettings) { 18419 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18420 if (ivi == null || ivi.getPackageName() == null) continue; 18421 pw.println(prefix + "Package: " + ivi.getPackageName()); 18422 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18423 pw.println(prefix + "Status: " + ivi.getStatusString()); 18424 pw.println(); 18425 count++; 18426 } 18427 if (count == 0) { 18428 pw.println(prefix + "No app verification established."); 18429 pw.println(); 18430 } 18431 for (int userId : sUserManager.getUserIds()) { 18432 pw.println("App linkages for user " + userId + ":"); 18433 pw.println(); 18434 count = 0; 18435 for (PackageSetting ps : allPackageSettings) { 18436 final long status = ps.getDomainVerificationStatusForUser(userId); 18437 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18438 continue; 18439 } 18440 pw.println(prefix + "Package: " + ps.name); 18441 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18442 String statusStr = IntentFilterVerificationInfo. 18443 getStatusStringFromValue(status); 18444 pw.println(prefix + "Status: " + statusStr); 18445 pw.println(); 18446 count++; 18447 } 18448 if (count == 0) { 18449 pw.println(prefix + "No configured app linkages."); 18450 pw.println(); 18451 } 18452 } 18453 } 18454 } 18455 } 18456 18457 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18458 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18459 if (packageName == null && permissionNames == null) { 18460 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18461 if (iperm == 0) { 18462 if (dumpState.onTitlePrinted()) 18463 pw.println(); 18464 pw.println("AppOp Permissions:"); 18465 } 18466 pw.print(" AppOp Permission "); 18467 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18468 pw.println(":"); 18469 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18470 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18471 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18472 } 18473 } 18474 } 18475 } 18476 18477 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18478 boolean printedSomething = false; 18479 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18480 if (packageName != null && !packageName.equals(p.info.packageName)) { 18481 continue; 18482 } 18483 if (!printedSomething) { 18484 if (dumpState.onTitlePrinted()) 18485 pw.println(); 18486 pw.println("Registered ContentProviders:"); 18487 printedSomething = true; 18488 } 18489 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18490 pw.print(" "); pw.println(p.toString()); 18491 } 18492 printedSomething = false; 18493 for (Map.Entry<String, PackageParser.Provider> entry : 18494 mProvidersByAuthority.entrySet()) { 18495 PackageParser.Provider p = entry.getValue(); 18496 if (packageName != null && !packageName.equals(p.info.packageName)) { 18497 continue; 18498 } 18499 if (!printedSomething) { 18500 if (dumpState.onTitlePrinted()) 18501 pw.println(); 18502 pw.println("ContentProvider Authorities:"); 18503 printedSomething = true; 18504 } 18505 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18506 pw.print(" "); pw.println(p.toString()); 18507 if (p.info != null && p.info.applicationInfo != null) { 18508 final String appInfo = p.info.applicationInfo.toString(); 18509 pw.print(" applicationInfo="); pw.println(appInfo); 18510 } 18511 } 18512 } 18513 18514 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18515 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18516 } 18517 18518 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18519 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18520 } 18521 18522 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18523 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18524 } 18525 18526 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18527 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18528 } 18529 18530 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18531 // XXX should handle packageName != null by dumping only install data that 18532 // the given package is involved with. 18533 if (dumpState.onTitlePrinted()) pw.println(); 18534 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18535 } 18536 18537 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18538 // XXX should handle packageName != null by dumping only install data that 18539 // the given package is involved with. 18540 if (dumpState.onTitlePrinted()) pw.println(); 18541 18542 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18543 ipw.println(); 18544 ipw.println("Frozen packages:"); 18545 ipw.increaseIndent(); 18546 if (mFrozenPackages.size() == 0) { 18547 ipw.println("(none)"); 18548 } else { 18549 for (int i = 0; i < mFrozenPackages.size(); i++) { 18550 ipw.println(mFrozenPackages.valueAt(i)); 18551 } 18552 } 18553 ipw.decreaseIndent(); 18554 } 18555 18556 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 18557 if (dumpState.onTitlePrinted()) pw.println(); 18558 dumpDexoptStateLPr(pw, packageName); 18559 } 18560 18561 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18562 if (dumpState.onTitlePrinted()) pw.println(); 18563 mSettings.dumpReadMessagesLPr(pw, dumpState); 18564 18565 pw.println(); 18566 pw.println("Package warning messages:"); 18567 BufferedReader in = null; 18568 String line = null; 18569 try { 18570 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18571 while ((line = in.readLine()) != null) { 18572 if (line.contains("ignored: updated version")) continue; 18573 pw.println(line); 18574 } 18575 } catch (IOException ignored) { 18576 } finally { 18577 IoUtils.closeQuietly(in); 18578 } 18579 } 18580 18581 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18582 BufferedReader in = null; 18583 String line = null; 18584 try { 18585 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18586 while ((line = in.readLine()) != null) { 18587 if (line.contains("ignored: updated version")) continue; 18588 pw.print("msg,"); 18589 pw.println(line); 18590 } 18591 } catch (IOException ignored) { 18592 } finally { 18593 IoUtils.closeQuietly(in); 18594 } 18595 } 18596 } 18597 } 18598 18599 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 18600 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18601 ipw.println(); 18602 ipw.println("Dexopt state:"); 18603 ipw.increaseIndent(); 18604 Collection<PackageParser.Package> packages = null; 18605 if (packageName != null) { 18606 PackageParser.Package targetPackage = mPackages.get(packageName); 18607 if (targetPackage != null) { 18608 packages = Collections.singletonList(targetPackage); 18609 } else { 18610 ipw.println("Unable to find package: " + packageName); 18611 return; 18612 } 18613 } else { 18614 packages = mPackages.values(); 18615 } 18616 18617 for (PackageParser.Package pkg : packages) { 18618 ipw.println("[" + pkg.packageName + "]"); 18619 ipw.increaseIndent(); 18620 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 18621 ipw.decreaseIndent(); 18622 } 18623 } 18624 18625 private String dumpDomainString(String packageName) { 18626 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18627 .getList(); 18628 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18629 18630 ArraySet<String> result = new ArraySet<>(); 18631 if (iviList.size() > 0) { 18632 for (IntentFilterVerificationInfo ivi : iviList) { 18633 for (String host : ivi.getDomains()) { 18634 result.add(host); 18635 } 18636 } 18637 } 18638 if (filters != null && filters.size() > 0) { 18639 for (IntentFilter filter : filters) { 18640 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18641 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18642 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18643 result.addAll(filter.getHostsList()); 18644 } 18645 } 18646 } 18647 18648 StringBuilder sb = new StringBuilder(result.size() * 16); 18649 for (String domain : result) { 18650 if (sb.length() > 0) sb.append(" "); 18651 sb.append(domain); 18652 } 18653 return sb.toString(); 18654 } 18655 18656 // ------- apps on sdcard specific code ------- 18657 static final boolean DEBUG_SD_INSTALL = false; 18658 18659 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18660 18661 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18662 18663 private boolean mMediaMounted = false; 18664 18665 static String getEncryptKey() { 18666 try { 18667 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18668 SD_ENCRYPTION_KEYSTORE_NAME); 18669 if (sdEncKey == null) { 18670 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18671 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18672 if (sdEncKey == null) { 18673 Slog.e(TAG, "Failed to create encryption keys"); 18674 return null; 18675 } 18676 } 18677 return sdEncKey; 18678 } catch (NoSuchAlgorithmException nsae) { 18679 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18680 return null; 18681 } catch (IOException ioe) { 18682 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18683 return null; 18684 } 18685 } 18686 18687 /* 18688 * Update media status on PackageManager. 18689 */ 18690 @Override 18691 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18692 int callingUid = Binder.getCallingUid(); 18693 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18694 throw new SecurityException("Media status can only be updated by the system"); 18695 } 18696 // reader; this apparently protects mMediaMounted, but should probably 18697 // be a different lock in that case. 18698 synchronized (mPackages) { 18699 Log.i(TAG, "Updating external media status from " 18700 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18701 + (mediaStatus ? "mounted" : "unmounted")); 18702 if (DEBUG_SD_INSTALL) 18703 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18704 + ", mMediaMounted=" + mMediaMounted); 18705 if (mediaStatus == mMediaMounted) { 18706 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18707 : 0, -1); 18708 mHandler.sendMessage(msg); 18709 return; 18710 } 18711 mMediaMounted = mediaStatus; 18712 } 18713 // Queue up an async operation since the package installation may take a 18714 // little while. 18715 mHandler.post(new Runnable() { 18716 public void run() { 18717 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18718 } 18719 }); 18720 } 18721 18722 /** 18723 * Called by MountService when the initial ASECs to scan are available. 18724 * Should block until all the ASEC containers are finished being scanned. 18725 */ 18726 public void scanAvailableAsecs() { 18727 updateExternalMediaStatusInner(true, false, false); 18728 } 18729 18730 /* 18731 * Collect information of applications on external media, map them against 18732 * existing containers and update information based on current mount status. 18733 * Please note that we always have to report status if reportStatus has been 18734 * set to true especially when unloading packages. 18735 */ 18736 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18737 boolean externalStorage) { 18738 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18739 int[] uidArr = EmptyArray.INT; 18740 18741 final String[] list = PackageHelper.getSecureContainerList(); 18742 if (ArrayUtils.isEmpty(list)) { 18743 Log.i(TAG, "No secure containers found"); 18744 } else { 18745 // Process list of secure containers and categorize them 18746 // as active or stale based on their package internal state. 18747 18748 // reader 18749 synchronized (mPackages) { 18750 for (String cid : list) { 18751 // Leave stages untouched for now; installer service owns them 18752 if (PackageInstallerService.isStageName(cid)) continue; 18753 18754 if (DEBUG_SD_INSTALL) 18755 Log.i(TAG, "Processing container " + cid); 18756 String pkgName = getAsecPackageName(cid); 18757 if (pkgName == null) { 18758 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18759 continue; 18760 } 18761 if (DEBUG_SD_INSTALL) 18762 Log.i(TAG, "Looking for pkg : " + pkgName); 18763 18764 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18765 if (ps == null) { 18766 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18767 continue; 18768 } 18769 18770 /* 18771 * Skip packages that are not external if we're unmounting 18772 * external storage. 18773 */ 18774 if (externalStorage && !isMounted && !isExternal(ps)) { 18775 continue; 18776 } 18777 18778 final AsecInstallArgs args = new AsecInstallArgs(cid, 18779 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18780 // The package status is changed only if the code path 18781 // matches between settings and the container id. 18782 if (ps.codePathString != null 18783 && ps.codePathString.startsWith(args.getCodePath())) { 18784 if (DEBUG_SD_INSTALL) { 18785 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18786 + " at code path: " + ps.codePathString); 18787 } 18788 18789 // We do have a valid package installed on sdcard 18790 processCids.put(args, ps.codePathString); 18791 final int uid = ps.appId; 18792 if (uid != -1) { 18793 uidArr = ArrayUtils.appendInt(uidArr, uid); 18794 } 18795 } else { 18796 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18797 + ps.codePathString); 18798 } 18799 } 18800 } 18801 18802 Arrays.sort(uidArr); 18803 } 18804 18805 // Process packages with valid entries. 18806 if (isMounted) { 18807 if (DEBUG_SD_INSTALL) 18808 Log.i(TAG, "Loading packages"); 18809 loadMediaPackages(processCids, uidArr, externalStorage); 18810 startCleaningPackages(); 18811 mInstallerService.onSecureContainersAvailable(); 18812 } else { 18813 if (DEBUG_SD_INSTALL) 18814 Log.i(TAG, "Unloading packages"); 18815 unloadMediaPackages(processCids, uidArr, reportStatus); 18816 } 18817 } 18818 18819 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18820 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18821 final int size = infos.size(); 18822 final String[] packageNames = new String[size]; 18823 final int[] packageUids = new int[size]; 18824 for (int i = 0; i < size; i++) { 18825 final ApplicationInfo info = infos.get(i); 18826 packageNames[i] = info.packageName; 18827 packageUids[i] = info.uid; 18828 } 18829 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18830 finishedReceiver); 18831 } 18832 18833 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18834 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18835 sendResourcesChangedBroadcast(mediaStatus, replacing, 18836 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18837 } 18838 18839 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18840 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18841 int size = pkgList.length; 18842 if (size > 0) { 18843 // Send broadcasts here 18844 Bundle extras = new Bundle(); 18845 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18846 if (uidArr != null) { 18847 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18848 } 18849 if (replacing) { 18850 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18851 } 18852 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18853 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18854 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18855 } 18856 } 18857 18858 /* 18859 * Look at potentially valid container ids from processCids If package 18860 * information doesn't match the one on record or package scanning fails, 18861 * the cid is added to list of removeCids. We currently don't delete stale 18862 * containers. 18863 */ 18864 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18865 boolean externalStorage) { 18866 ArrayList<String> pkgList = new ArrayList<String>(); 18867 Set<AsecInstallArgs> keys = processCids.keySet(); 18868 18869 for (AsecInstallArgs args : keys) { 18870 String codePath = processCids.get(args); 18871 if (DEBUG_SD_INSTALL) 18872 Log.i(TAG, "Loading container : " + args.cid); 18873 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18874 try { 18875 // Make sure there are no container errors first. 18876 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18877 Slog.e(TAG, "Failed to mount cid : " + args.cid 18878 + " when installing from sdcard"); 18879 continue; 18880 } 18881 // Check code path here. 18882 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18883 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18884 + " does not match one in settings " + codePath); 18885 continue; 18886 } 18887 // Parse package 18888 int parseFlags = mDefParseFlags; 18889 if (args.isExternalAsec()) { 18890 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18891 } 18892 if (args.isFwdLocked()) { 18893 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18894 } 18895 18896 synchronized (mInstallLock) { 18897 PackageParser.Package pkg = null; 18898 try { 18899 // Sadly we don't know the package name yet to freeze it 18900 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18901 SCAN_IGNORE_FROZEN, 0, null); 18902 } catch (PackageManagerException e) { 18903 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18904 } 18905 // Scan the package 18906 if (pkg != null) { 18907 /* 18908 * TODO why is the lock being held? doPostInstall is 18909 * called in other places without the lock. This needs 18910 * to be straightened out. 18911 */ 18912 // writer 18913 synchronized (mPackages) { 18914 retCode = PackageManager.INSTALL_SUCCEEDED; 18915 pkgList.add(pkg.packageName); 18916 // Post process args 18917 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18918 pkg.applicationInfo.uid); 18919 } 18920 } else { 18921 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18922 } 18923 } 18924 18925 } finally { 18926 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18927 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18928 } 18929 } 18930 } 18931 // writer 18932 synchronized (mPackages) { 18933 // If the platform SDK has changed since the last time we booted, 18934 // we need to re-grant app permission to catch any new ones that 18935 // appear. This is really a hack, and means that apps can in some 18936 // cases get permissions that the user didn't initially explicitly 18937 // allow... it would be nice to have some better way to handle 18938 // this situation. 18939 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18940 : mSettings.getInternalVersion(); 18941 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18942 : StorageManager.UUID_PRIVATE_INTERNAL; 18943 18944 int updateFlags = UPDATE_PERMISSIONS_ALL; 18945 if (ver.sdkVersion != mSdkVersion) { 18946 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18947 + mSdkVersion + "; regranting permissions for external"); 18948 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18949 } 18950 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18951 18952 // Yay, everything is now upgraded 18953 ver.forceCurrent(); 18954 18955 // can downgrade to reader 18956 // Persist settings 18957 mSettings.writeLPr(); 18958 } 18959 // Send a broadcast to let everyone know we are done processing 18960 if (pkgList.size() > 0) { 18961 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18962 } 18963 } 18964 18965 /* 18966 * Utility method to unload a list of specified containers 18967 */ 18968 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18969 // Just unmount all valid containers. 18970 for (AsecInstallArgs arg : cidArgs) { 18971 synchronized (mInstallLock) { 18972 arg.doPostDeleteLI(false); 18973 } 18974 } 18975 } 18976 18977 /* 18978 * Unload packages mounted on external media. This involves deleting package 18979 * data from internal structures, sending broadcasts about disabled packages, 18980 * gc'ing to free up references, unmounting all secure containers 18981 * corresponding to packages on external media, and posting a 18982 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18983 * that we always have to post this message if status has been requested no 18984 * matter what. 18985 */ 18986 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18987 final boolean reportStatus) { 18988 if (DEBUG_SD_INSTALL) 18989 Log.i(TAG, "unloading media packages"); 18990 ArrayList<String> pkgList = new ArrayList<String>(); 18991 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18992 final Set<AsecInstallArgs> keys = processCids.keySet(); 18993 for (AsecInstallArgs args : keys) { 18994 String pkgName = args.getPackageName(); 18995 if (DEBUG_SD_INSTALL) 18996 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18997 // Delete package internally 18998 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18999 synchronized (mInstallLock) { 19000 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19001 final boolean res; 19002 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 19003 "unloadMediaPackages")) { 19004 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 19005 null); 19006 } 19007 if (res) { 19008 pkgList.add(pkgName); 19009 } else { 19010 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 19011 failedList.add(args); 19012 } 19013 } 19014 } 19015 19016 // reader 19017 synchronized (mPackages) { 19018 // We didn't update the settings after removing each package; 19019 // write them now for all packages. 19020 mSettings.writeLPr(); 19021 } 19022 19023 // We have to absolutely send UPDATED_MEDIA_STATUS only 19024 // after confirming that all the receivers processed the ordered 19025 // broadcast when packages get disabled, force a gc to clean things up. 19026 // and unload all the containers. 19027 if (pkgList.size() > 0) { 19028 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 19029 new IIntentReceiver.Stub() { 19030 public void performReceive(Intent intent, int resultCode, String data, 19031 Bundle extras, boolean ordered, boolean sticky, 19032 int sendingUser) throws RemoteException { 19033 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 19034 reportStatus ? 1 : 0, 1, keys); 19035 mHandler.sendMessage(msg); 19036 } 19037 }); 19038 } else { 19039 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 19040 keys); 19041 mHandler.sendMessage(msg); 19042 } 19043 } 19044 19045 private void loadPrivatePackages(final VolumeInfo vol) { 19046 mHandler.post(new Runnable() { 19047 @Override 19048 public void run() { 19049 loadPrivatePackagesInner(vol); 19050 } 19051 }); 19052 } 19053 19054 private void loadPrivatePackagesInner(VolumeInfo vol) { 19055 final String volumeUuid = vol.fsUuid; 19056 if (TextUtils.isEmpty(volumeUuid)) { 19057 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 19058 return; 19059 } 19060 19061 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 19062 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 19063 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 19064 19065 final VersionInfo ver; 19066 final List<PackageSetting> packages; 19067 synchronized (mPackages) { 19068 ver = mSettings.findOrCreateVersion(volumeUuid); 19069 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19070 } 19071 19072 for (PackageSetting ps : packages) { 19073 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 19074 synchronized (mInstallLock) { 19075 final PackageParser.Package pkg; 19076 try { 19077 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 19078 loaded.add(pkg.applicationInfo); 19079 19080 } catch (PackageManagerException e) { 19081 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 19082 } 19083 19084 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 19085 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 19086 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 19087 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19088 } 19089 } 19090 } 19091 19092 // Reconcile app data for all started/unlocked users 19093 final StorageManager sm = mContext.getSystemService(StorageManager.class); 19094 final UserManager um = mContext.getSystemService(UserManager.class); 19095 UserManagerInternal umInternal = getUserManagerInternal(); 19096 for (UserInfo user : um.getUsers()) { 19097 final int flags; 19098 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19099 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19100 } else if (umInternal.isUserRunning(user.id)) { 19101 flags = StorageManager.FLAG_STORAGE_DE; 19102 } else { 19103 continue; 19104 } 19105 19106 try { 19107 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 19108 synchronized (mInstallLock) { 19109 reconcileAppsDataLI(volumeUuid, user.id, flags); 19110 } 19111 } catch (IllegalStateException e) { 19112 // Device was probably ejected, and we'll process that event momentarily 19113 Slog.w(TAG, "Failed to prepare storage: " + e); 19114 } 19115 } 19116 19117 synchronized (mPackages) { 19118 int updateFlags = UPDATE_PERMISSIONS_ALL; 19119 if (ver.sdkVersion != mSdkVersion) { 19120 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 19121 + mSdkVersion + "; regranting permissions for " + volumeUuid); 19122 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 19123 } 19124 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 19125 19126 // Yay, everything is now upgraded 19127 ver.forceCurrent(); 19128 19129 mSettings.writeLPr(); 19130 } 19131 19132 for (PackageFreezer freezer : freezers) { 19133 freezer.close(); 19134 } 19135 19136 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 19137 sendResourcesChangedBroadcast(true, false, loaded, null); 19138 } 19139 19140 private void unloadPrivatePackages(final VolumeInfo vol) { 19141 mHandler.post(new Runnable() { 19142 @Override 19143 public void run() { 19144 unloadPrivatePackagesInner(vol); 19145 } 19146 }); 19147 } 19148 19149 private void unloadPrivatePackagesInner(VolumeInfo vol) { 19150 final String volumeUuid = vol.fsUuid; 19151 if (TextUtils.isEmpty(volumeUuid)) { 19152 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 19153 return; 19154 } 19155 19156 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 19157 synchronized (mInstallLock) { 19158 synchronized (mPackages) { 19159 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 19160 for (PackageSetting ps : packages) { 19161 if (ps.pkg == null) continue; 19162 19163 final ApplicationInfo info = ps.pkg.applicationInfo; 19164 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 19165 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 19166 19167 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 19168 "unloadPrivatePackagesInner")) { 19169 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 19170 false, null)) { 19171 unloaded.add(info); 19172 } else { 19173 Slog.w(TAG, "Failed to unload " + ps.codePath); 19174 } 19175 } 19176 } 19177 19178 mSettings.writeLPr(); 19179 } 19180 } 19181 19182 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 19183 sendResourcesChangedBroadcast(false, false, unloaded, null); 19184 } 19185 19186 /** 19187 * Prepare storage areas for given user on all mounted devices. 19188 */ 19189 void prepareUserData(int userId, int userSerial, int flags) { 19190 synchronized (mInstallLock) { 19191 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19192 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19193 final String volumeUuid = vol.getFsUuid(); 19194 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 19195 } 19196 } 19197 } 19198 19199 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 19200 boolean allowRecover) { 19201 // Prepare storage and verify that serial numbers are consistent; if 19202 // there's a mismatch we need to destroy to avoid leaking data 19203 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19204 try { 19205 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 19206 19207 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 19208 UserManagerService.enforceSerialNumber( 19209 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 19210 } 19211 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 19212 UserManagerService.enforceSerialNumber( 19213 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 19214 } 19215 19216 synchronized (mInstallLock) { 19217 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 19218 } 19219 } catch (Exception e) { 19220 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 19221 + " because we failed to prepare: " + e); 19222 destroyUserDataLI(volumeUuid, userId, 19223 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19224 19225 if (allowRecover) { 19226 // Try one last time; if we fail again we're really in trouble 19227 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 19228 } 19229 } 19230 } 19231 19232 /** 19233 * Destroy storage areas for given user on all mounted devices. 19234 */ 19235 void destroyUserData(int userId, int flags) { 19236 synchronized (mInstallLock) { 19237 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19238 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19239 final String volumeUuid = vol.getFsUuid(); 19240 destroyUserDataLI(volumeUuid, userId, flags); 19241 } 19242 } 19243 } 19244 19245 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 19246 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19247 try { 19248 // Clean up app data, profile data, and media data 19249 mInstaller.destroyUserData(volumeUuid, userId, flags); 19250 19251 // Clean up system data 19252 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 19253 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19254 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 19255 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 19256 } 19257 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19258 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 19259 } 19260 } 19261 19262 // Data with special labels is now gone, so finish the job 19263 storage.destroyUserStorage(volumeUuid, userId, flags); 19264 19265 } catch (Exception e) { 19266 logCriticalInfo(Log.WARN, 19267 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 19268 } 19269 } 19270 19271 /** 19272 * Examine all users present on given mounted volume, and destroy data 19273 * belonging to users that are no longer valid, or whose user ID has been 19274 * recycled. 19275 */ 19276 private void reconcileUsers(String volumeUuid) { 19277 final List<File> files = new ArrayList<>(); 19278 Collections.addAll(files, FileUtils 19279 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 19280 Collections.addAll(files, FileUtils 19281 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 19282 for (File file : files) { 19283 if (!file.isDirectory()) continue; 19284 19285 final int userId; 19286 final UserInfo info; 19287 try { 19288 userId = Integer.parseInt(file.getName()); 19289 info = sUserManager.getUserInfo(userId); 19290 } catch (NumberFormatException e) { 19291 Slog.w(TAG, "Invalid user directory " + file); 19292 continue; 19293 } 19294 19295 boolean destroyUser = false; 19296 if (info == null) { 19297 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19298 + " because no matching user was found"); 19299 destroyUser = true; 19300 } else if (!mOnlyCore) { 19301 try { 19302 UserManagerService.enforceSerialNumber(file, info.serialNumber); 19303 } catch (IOException e) { 19304 logCriticalInfo(Log.WARN, "Destroying user directory " + file 19305 + " because we failed to enforce serial number: " + e); 19306 destroyUser = true; 19307 } 19308 } 19309 19310 if (destroyUser) { 19311 synchronized (mInstallLock) { 19312 destroyUserDataLI(volumeUuid, userId, 19313 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19314 } 19315 } 19316 } 19317 } 19318 19319 private void assertPackageKnown(String volumeUuid, String packageName) 19320 throws PackageManagerException { 19321 synchronized (mPackages) { 19322 final PackageSetting ps = mSettings.mPackages.get(packageName); 19323 if (ps == null) { 19324 throw new PackageManagerException("Package " + packageName + " is unknown"); 19325 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19326 throw new PackageManagerException( 19327 "Package " + packageName + " found on unknown volume " + volumeUuid 19328 + "; expected volume " + ps.volumeUuid); 19329 } 19330 } 19331 } 19332 19333 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 19334 throws PackageManagerException { 19335 synchronized (mPackages) { 19336 final PackageSetting ps = mSettings.mPackages.get(packageName); 19337 if (ps == null) { 19338 throw new PackageManagerException("Package " + packageName + " is unknown"); 19339 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 19340 throw new PackageManagerException( 19341 "Package " + packageName + " found on unknown volume " + volumeUuid 19342 + "; expected volume " + ps.volumeUuid); 19343 } else if (!ps.getInstalled(userId)) { 19344 throw new PackageManagerException( 19345 "Package " + packageName + " not installed for user " + userId); 19346 } 19347 } 19348 } 19349 19350 /** 19351 * Examine all apps present on given mounted volume, and destroy apps that 19352 * aren't expected, either due to uninstallation or reinstallation on 19353 * another volume. 19354 */ 19355 private void reconcileApps(String volumeUuid) { 19356 final File[] files = FileUtils 19357 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 19358 for (File file : files) { 19359 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 19360 && !PackageInstallerService.isStageName(file.getName()); 19361 if (!isPackage) { 19362 // Ignore entries which are not packages 19363 continue; 19364 } 19365 19366 try { 19367 final PackageLite pkg = PackageParser.parsePackageLite(file, 19368 PackageParser.PARSE_MUST_BE_APK); 19369 assertPackageKnown(volumeUuid, pkg.packageName); 19370 19371 } catch (PackageParserException | PackageManagerException e) { 19372 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19373 synchronized (mInstallLock) { 19374 removeCodePathLI(file); 19375 } 19376 } 19377 } 19378 } 19379 19380 /** 19381 * Reconcile all app data for the given user. 19382 * <p> 19383 * Verifies that directories exist and that ownership and labeling is 19384 * correct for all installed apps on all mounted volumes. 19385 */ 19386 void reconcileAppsData(int userId, int flags) { 19387 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19388 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19389 final String volumeUuid = vol.getFsUuid(); 19390 synchronized (mInstallLock) { 19391 reconcileAppsDataLI(volumeUuid, userId, flags); 19392 } 19393 } 19394 } 19395 19396 /** 19397 * Reconcile all app data on given mounted volume. 19398 * <p> 19399 * Destroys app data that isn't expected, either due to uninstallation or 19400 * reinstallation on another volume. 19401 * <p> 19402 * Verifies that directories exist and that ownership and labeling is 19403 * correct for all installed apps. 19404 */ 19405 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19406 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19407 + Integer.toHexString(flags)); 19408 19409 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19410 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19411 19412 boolean restoreconNeeded = false; 19413 19414 // First look for stale data that doesn't belong, and check if things 19415 // have changed since we did our last restorecon 19416 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19417 if (StorageManager.isFileEncryptedNativeOrEmulated() 19418 && !StorageManager.isUserKeyUnlocked(userId)) { 19419 throw new RuntimeException( 19420 "Yikes, someone asked us to reconcile CE storage while " + userId 19421 + " was still locked; this would have caused massive data loss!"); 19422 } 19423 19424 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19425 19426 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19427 for (File file : files) { 19428 final String packageName = file.getName(); 19429 try { 19430 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19431 } catch (PackageManagerException e) { 19432 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19433 try { 19434 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19435 StorageManager.FLAG_STORAGE_CE, 0); 19436 } catch (InstallerException e2) { 19437 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19438 } 19439 } 19440 } 19441 } 19442 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19443 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19444 19445 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19446 for (File file : files) { 19447 final String packageName = file.getName(); 19448 try { 19449 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19450 } catch (PackageManagerException e) { 19451 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19452 try { 19453 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19454 StorageManager.FLAG_STORAGE_DE, 0); 19455 } catch (InstallerException e2) { 19456 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19457 } 19458 } 19459 } 19460 } 19461 19462 // Ensure that data directories are ready to roll for all packages 19463 // installed for this volume and user 19464 final List<PackageSetting> packages; 19465 synchronized (mPackages) { 19466 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19467 } 19468 int preparedCount = 0; 19469 for (PackageSetting ps : packages) { 19470 final String packageName = ps.name; 19471 if (ps.pkg == null) { 19472 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19473 // TODO: might be due to legacy ASEC apps; we should circle back 19474 // and reconcile again once they're scanned 19475 continue; 19476 } 19477 19478 if (ps.getInstalled(userId)) { 19479 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19480 19481 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19482 // We may have just shuffled around app data directories, so 19483 // prepare them one more time 19484 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19485 } 19486 19487 preparedCount++; 19488 } 19489 } 19490 19491 if (restoreconNeeded) { 19492 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19493 SELinuxMMAC.setRestoreconDone(ceDir); 19494 } 19495 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19496 SELinuxMMAC.setRestoreconDone(deDir); 19497 } 19498 } 19499 19500 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19501 + " packages; restoreconNeeded was " + restoreconNeeded); 19502 } 19503 19504 /** 19505 * Prepare app data for the given app just after it was installed or 19506 * upgraded. This method carefully only touches users that it's installed 19507 * for, and it forces a restorecon to handle any seinfo changes. 19508 * <p> 19509 * Verifies that directories exist and that ownership and labeling is 19510 * correct for all installed apps. If there is an ownership mismatch, it 19511 * will try recovering system apps by wiping data; third-party app data is 19512 * left intact. 19513 * <p> 19514 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19515 */ 19516 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19517 final PackageSetting ps; 19518 synchronized (mPackages) { 19519 ps = mSettings.mPackages.get(pkg.packageName); 19520 mSettings.writeKernelMappingLPr(ps); 19521 } 19522 19523 final UserManager um = mContext.getSystemService(UserManager.class); 19524 UserManagerInternal umInternal = getUserManagerInternal(); 19525 for (UserInfo user : um.getUsers()) { 19526 final int flags; 19527 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 19528 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19529 } else if (umInternal.isUserRunning(user.id)) { 19530 flags = StorageManager.FLAG_STORAGE_DE; 19531 } else { 19532 continue; 19533 } 19534 19535 if (ps.getInstalled(user.id)) { 19536 // Whenever an app changes, force a restorecon of its data 19537 // TODO: when user data is locked, mark that we're still dirty 19538 prepareAppDataLIF(pkg, user.id, flags, true); 19539 } 19540 } 19541 } 19542 19543 /** 19544 * Prepare app data for the given app. 19545 * <p> 19546 * Verifies that directories exist and that ownership and labeling is 19547 * correct for all installed apps. If there is an ownership mismatch, this 19548 * will try recovering system apps by wiping data; third-party app data is 19549 * left intact. 19550 */ 19551 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19552 boolean restoreconNeeded) { 19553 if (pkg == null) { 19554 Slog.wtf(TAG, "Package was null!", new Throwable()); 19555 return; 19556 } 19557 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19558 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19559 for (int i = 0; i < childCount; i++) { 19560 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19561 } 19562 } 19563 19564 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19565 boolean restoreconNeeded) { 19566 if (DEBUG_APP_DATA) { 19567 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19568 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19569 } 19570 19571 final String volumeUuid = pkg.volumeUuid; 19572 final String packageName = pkg.packageName; 19573 final ApplicationInfo app = pkg.applicationInfo; 19574 final int appId = UserHandle.getAppId(app.uid); 19575 19576 Preconditions.checkNotNull(app.seinfo); 19577 19578 try { 19579 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19580 appId, app.seinfo, app.targetSdkVersion); 19581 } catch (InstallerException e) { 19582 if (app.isSystemApp()) { 19583 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19584 + ", but trying to recover: " + e); 19585 destroyAppDataLeafLIF(pkg, userId, flags); 19586 try { 19587 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19588 appId, app.seinfo, app.targetSdkVersion); 19589 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19590 } catch (InstallerException e2) { 19591 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19592 } 19593 } else { 19594 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19595 } 19596 } 19597 19598 if (restoreconNeeded) { 19599 try { 19600 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19601 app.seinfo); 19602 } catch (InstallerException e) { 19603 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19604 } 19605 } 19606 19607 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19608 try { 19609 // CE storage is unlocked right now, so read out the inode and 19610 // remember for use later when it's locked 19611 // TODO: mark this structure as dirty so we persist it! 19612 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19613 StorageManager.FLAG_STORAGE_CE); 19614 synchronized (mPackages) { 19615 final PackageSetting ps = mSettings.mPackages.get(packageName); 19616 if (ps != null) { 19617 ps.setCeDataInode(ceDataInode, userId); 19618 } 19619 } 19620 } catch (InstallerException e) { 19621 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19622 } 19623 } 19624 19625 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19626 } 19627 19628 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19629 if (pkg == null) { 19630 Slog.wtf(TAG, "Package was null!", new Throwable()); 19631 return; 19632 } 19633 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19634 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19635 for (int i = 0; i < childCount; i++) { 19636 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19637 } 19638 } 19639 19640 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19641 final String volumeUuid = pkg.volumeUuid; 19642 final String packageName = pkg.packageName; 19643 final ApplicationInfo app = pkg.applicationInfo; 19644 19645 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19646 // Create a native library symlink only if we have native libraries 19647 // and if the native libraries are 32 bit libraries. We do not provide 19648 // this symlink for 64 bit libraries. 19649 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19650 final String nativeLibPath = app.nativeLibraryDir; 19651 try { 19652 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19653 nativeLibPath, userId); 19654 } catch (InstallerException e) { 19655 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19656 } 19657 } 19658 } 19659 } 19660 19661 /** 19662 * For system apps on non-FBE devices, this method migrates any existing 19663 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19664 * requested by the app. 19665 */ 19666 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19667 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19668 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19669 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19670 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19671 try { 19672 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19673 storageTarget); 19674 } catch (InstallerException e) { 19675 logCriticalInfo(Log.WARN, 19676 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19677 } 19678 return true; 19679 } else { 19680 return false; 19681 } 19682 } 19683 19684 public PackageFreezer freezePackage(String packageName, String killReason) { 19685 return new PackageFreezer(packageName, killReason); 19686 } 19687 19688 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19689 String killReason) { 19690 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19691 return new PackageFreezer(); 19692 } else { 19693 return freezePackage(packageName, killReason); 19694 } 19695 } 19696 19697 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19698 String killReason) { 19699 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19700 return new PackageFreezer(); 19701 } else { 19702 return freezePackage(packageName, killReason); 19703 } 19704 } 19705 19706 /** 19707 * Class that freezes and kills the given package upon creation, and 19708 * unfreezes it upon closing. This is typically used when doing surgery on 19709 * app code/data to prevent the app from running while you're working. 19710 */ 19711 private class PackageFreezer implements AutoCloseable { 19712 private final String mPackageName; 19713 private final PackageFreezer[] mChildren; 19714 19715 private final boolean mWeFroze; 19716 19717 private final AtomicBoolean mClosed = new AtomicBoolean(); 19718 private final CloseGuard mCloseGuard = CloseGuard.get(); 19719 19720 /** 19721 * Create and return a stub freezer that doesn't actually do anything, 19722 * typically used when someone requested 19723 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19724 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19725 */ 19726 public PackageFreezer() { 19727 mPackageName = null; 19728 mChildren = null; 19729 mWeFroze = false; 19730 mCloseGuard.open("close"); 19731 } 19732 19733 public PackageFreezer(String packageName, String killReason) { 19734 synchronized (mPackages) { 19735 mPackageName = packageName; 19736 mWeFroze = mFrozenPackages.add(mPackageName); 19737 19738 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19739 if (ps != null) { 19740 killApplication(ps.name, ps.appId, killReason); 19741 } 19742 19743 final PackageParser.Package p = mPackages.get(packageName); 19744 if (p != null && p.childPackages != null) { 19745 final int N = p.childPackages.size(); 19746 mChildren = new PackageFreezer[N]; 19747 for (int i = 0; i < N; i++) { 19748 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19749 killReason); 19750 } 19751 } else { 19752 mChildren = null; 19753 } 19754 } 19755 mCloseGuard.open("close"); 19756 } 19757 19758 @Override 19759 protected void finalize() throws Throwable { 19760 try { 19761 mCloseGuard.warnIfOpen(); 19762 close(); 19763 } finally { 19764 super.finalize(); 19765 } 19766 } 19767 19768 @Override 19769 public void close() { 19770 mCloseGuard.close(); 19771 if (mClosed.compareAndSet(false, true)) { 19772 synchronized (mPackages) { 19773 if (mWeFroze) { 19774 mFrozenPackages.remove(mPackageName); 19775 } 19776 19777 if (mChildren != null) { 19778 for (PackageFreezer freezer : mChildren) { 19779 freezer.close(); 19780 } 19781 } 19782 } 19783 } 19784 } 19785 } 19786 19787 /** 19788 * Verify that given package is currently frozen. 19789 */ 19790 private void checkPackageFrozen(String packageName) { 19791 synchronized (mPackages) { 19792 if (!mFrozenPackages.contains(packageName)) { 19793 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19794 } 19795 } 19796 } 19797 19798 @Override 19799 public int movePackage(final String packageName, final String volumeUuid) { 19800 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19801 19802 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19803 final int moveId = mNextMoveId.getAndIncrement(); 19804 mHandler.post(new Runnable() { 19805 @Override 19806 public void run() { 19807 try { 19808 movePackageInternal(packageName, volumeUuid, moveId, user); 19809 } catch (PackageManagerException e) { 19810 Slog.w(TAG, "Failed to move " + packageName, e); 19811 mMoveCallbacks.notifyStatusChanged(moveId, 19812 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19813 } 19814 } 19815 }); 19816 return moveId; 19817 } 19818 19819 private void movePackageInternal(final String packageName, final String volumeUuid, 19820 final int moveId, UserHandle user) throws PackageManagerException { 19821 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19822 final PackageManager pm = mContext.getPackageManager(); 19823 19824 final boolean currentAsec; 19825 final String currentVolumeUuid; 19826 final File codeFile; 19827 final String installerPackageName; 19828 final String packageAbiOverride; 19829 final int appId; 19830 final String seinfo; 19831 final String label; 19832 final int targetSdkVersion; 19833 final PackageFreezer freezer; 19834 final int[] installedUserIds; 19835 19836 // reader 19837 synchronized (mPackages) { 19838 final PackageParser.Package pkg = mPackages.get(packageName); 19839 final PackageSetting ps = mSettings.mPackages.get(packageName); 19840 if (pkg == null || ps == null) { 19841 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19842 } 19843 19844 if (pkg.applicationInfo.isSystemApp()) { 19845 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19846 "Cannot move system application"); 19847 } 19848 19849 if (pkg.applicationInfo.isExternalAsec()) { 19850 currentAsec = true; 19851 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19852 } else if (pkg.applicationInfo.isForwardLocked()) { 19853 currentAsec = true; 19854 currentVolumeUuid = "forward_locked"; 19855 } else { 19856 currentAsec = false; 19857 currentVolumeUuid = ps.volumeUuid; 19858 19859 final File probe = new File(pkg.codePath); 19860 final File probeOat = new File(probe, "oat"); 19861 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19862 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19863 "Move only supported for modern cluster style installs"); 19864 } 19865 } 19866 19867 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19868 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19869 "Package already moved to " + volumeUuid); 19870 } 19871 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19872 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19873 "Device admin cannot be moved"); 19874 } 19875 19876 if (mFrozenPackages.contains(packageName)) { 19877 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19878 "Failed to move already frozen package"); 19879 } 19880 19881 codeFile = new File(pkg.codePath); 19882 installerPackageName = ps.installerPackageName; 19883 packageAbiOverride = ps.cpuAbiOverrideString; 19884 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19885 seinfo = pkg.applicationInfo.seinfo; 19886 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19887 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19888 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19889 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 19890 } 19891 19892 final Bundle extras = new Bundle(); 19893 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19894 extras.putString(Intent.EXTRA_TITLE, label); 19895 mMoveCallbacks.notifyCreated(moveId, extras); 19896 19897 int installFlags; 19898 final boolean moveCompleteApp; 19899 final File measurePath; 19900 19901 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19902 installFlags = INSTALL_INTERNAL; 19903 moveCompleteApp = !currentAsec; 19904 measurePath = Environment.getDataAppDirectory(volumeUuid); 19905 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19906 installFlags = INSTALL_EXTERNAL; 19907 moveCompleteApp = false; 19908 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19909 } else { 19910 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19911 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19912 || !volume.isMountedWritable()) { 19913 freezer.close(); 19914 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19915 "Move location not mounted private volume"); 19916 } 19917 19918 Preconditions.checkState(!currentAsec); 19919 19920 installFlags = INSTALL_INTERNAL; 19921 moveCompleteApp = true; 19922 measurePath = Environment.getDataAppDirectory(volumeUuid); 19923 } 19924 19925 final PackageStats stats = new PackageStats(null, -1); 19926 synchronized (mInstaller) { 19927 for (int userId : installedUserIds) { 19928 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 19929 freezer.close(); 19930 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19931 "Failed to measure package size"); 19932 } 19933 } 19934 } 19935 19936 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19937 + stats.dataSize); 19938 19939 final long startFreeBytes = measurePath.getFreeSpace(); 19940 final long sizeBytes; 19941 if (moveCompleteApp) { 19942 sizeBytes = stats.codeSize + stats.dataSize; 19943 } else { 19944 sizeBytes = stats.codeSize; 19945 } 19946 19947 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19948 freezer.close(); 19949 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19950 "Not enough free space to move"); 19951 } 19952 19953 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19954 19955 final CountDownLatch installedLatch = new CountDownLatch(1); 19956 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19957 @Override 19958 public void onUserActionRequired(Intent intent) throws RemoteException { 19959 throw new IllegalStateException(); 19960 } 19961 19962 @Override 19963 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19964 Bundle extras) throws RemoteException { 19965 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19966 + PackageManager.installStatusToString(returnCode, msg)); 19967 19968 installedLatch.countDown(); 19969 freezer.close(); 19970 19971 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19972 switch (status) { 19973 case PackageInstaller.STATUS_SUCCESS: 19974 mMoveCallbacks.notifyStatusChanged(moveId, 19975 PackageManager.MOVE_SUCCEEDED); 19976 break; 19977 case PackageInstaller.STATUS_FAILURE_STORAGE: 19978 mMoveCallbacks.notifyStatusChanged(moveId, 19979 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19980 break; 19981 default: 19982 mMoveCallbacks.notifyStatusChanged(moveId, 19983 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19984 break; 19985 } 19986 } 19987 }; 19988 19989 final MoveInfo move; 19990 if (moveCompleteApp) { 19991 // Kick off a thread to report progress estimates 19992 new Thread() { 19993 @Override 19994 public void run() { 19995 while (true) { 19996 try { 19997 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19998 break; 19999 } 20000 } catch (InterruptedException ignored) { 20001 } 20002 20003 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 20004 final int progress = 10 + (int) MathUtils.constrain( 20005 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 20006 mMoveCallbacks.notifyStatusChanged(moveId, progress); 20007 } 20008 } 20009 }.start(); 20010 20011 final String dataAppName = codeFile.getName(); 20012 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 20013 dataAppName, appId, seinfo, targetSdkVersion); 20014 } else { 20015 move = null; 20016 } 20017 20018 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 20019 20020 final Message msg = mHandler.obtainMessage(INIT_COPY); 20021 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 20022 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 20023 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 20024 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 20025 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 20026 msg.obj = params; 20027 20028 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 20029 System.identityHashCode(msg.obj)); 20030 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 20031 System.identityHashCode(msg.obj)); 20032 20033 mHandler.sendMessage(msg); 20034 } 20035 20036 @Override 20037 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 20038 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 20039 20040 final int realMoveId = mNextMoveId.getAndIncrement(); 20041 final Bundle extras = new Bundle(); 20042 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 20043 mMoveCallbacks.notifyCreated(realMoveId, extras); 20044 20045 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 20046 @Override 20047 public void onCreated(int moveId, Bundle extras) { 20048 // Ignored 20049 } 20050 20051 @Override 20052 public void onStatusChanged(int moveId, int status, long estMillis) { 20053 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 20054 } 20055 }; 20056 20057 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20058 storage.setPrimaryStorageUuid(volumeUuid, callback); 20059 return realMoveId; 20060 } 20061 20062 @Override 20063 public int getMoveStatus(int moveId) { 20064 mContext.enforceCallingOrSelfPermission( 20065 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20066 return mMoveCallbacks.mLastStatus.get(moveId); 20067 } 20068 20069 @Override 20070 public void registerMoveCallback(IPackageMoveObserver callback) { 20071 mContext.enforceCallingOrSelfPermission( 20072 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20073 mMoveCallbacks.register(callback); 20074 } 20075 20076 @Override 20077 public void unregisterMoveCallback(IPackageMoveObserver callback) { 20078 mContext.enforceCallingOrSelfPermission( 20079 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 20080 mMoveCallbacks.unregister(callback); 20081 } 20082 20083 @Override 20084 public boolean setInstallLocation(int loc) { 20085 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 20086 null); 20087 if (getInstallLocation() == loc) { 20088 return true; 20089 } 20090 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 20091 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 20092 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 20093 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 20094 return true; 20095 } 20096 return false; 20097 } 20098 20099 @Override 20100 public int getInstallLocation() { 20101 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 20102 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 20103 PackageHelper.APP_INSTALL_AUTO); 20104 } 20105 20106 /** Called by UserManagerService */ 20107 void cleanUpUser(UserManagerService userManager, int userHandle) { 20108 synchronized (mPackages) { 20109 mDirtyUsers.remove(userHandle); 20110 mUserNeedsBadging.delete(userHandle); 20111 mSettings.removeUserLPw(userHandle); 20112 mPendingBroadcasts.remove(userHandle); 20113 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 20114 removeUnusedPackagesLPw(userManager, userHandle); 20115 } 20116 } 20117 20118 /** 20119 * We're removing userHandle and would like to remove any downloaded packages 20120 * that are no longer in use by any other user. 20121 * @param userHandle the user being removed 20122 */ 20123 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 20124 final boolean DEBUG_CLEAN_APKS = false; 20125 int [] users = userManager.getUserIds(); 20126 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 20127 while (psit.hasNext()) { 20128 PackageSetting ps = psit.next(); 20129 if (ps.pkg == null) { 20130 continue; 20131 } 20132 final String packageName = ps.pkg.packageName; 20133 // Skip over if system app 20134 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 20135 continue; 20136 } 20137 if (DEBUG_CLEAN_APKS) { 20138 Slog.i(TAG, "Checking package " + packageName); 20139 } 20140 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 20141 if (keep) { 20142 if (DEBUG_CLEAN_APKS) { 20143 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 20144 } 20145 } else { 20146 for (int i = 0; i < users.length; i++) { 20147 if (users[i] != userHandle && ps.getInstalled(users[i])) { 20148 keep = true; 20149 if (DEBUG_CLEAN_APKS) { 20150 Slog.i(TAG, " Keeping package " + packageName + " for user " 20151 + users[i]); 20152 } 20153 break; 20154 } 20155 } 20156 } 20157 if (!keep) { 20158 if (DEBUG_CLEAN_APKS) { 20159 Slog.i(TAG, " Removing package " + packageName); 20160 } 20161 mHandler.post(new Runnable() { 20162 public void run() { 20163 deletePackageX(packageName, userHandle, 0); 20164 } //end run 20165 }); 20166 } 20167 } 20168 } 20169 20170 /** Called by UserManagerService */ 20171 void createNewUser(int userId) { 20172 synchronized (mInstallLock) { 20173 mSettings.createNewUserLI(this, mInstaller, userId); 20174 } 20175 synchronized (mPackages) { 20176 scheduleWritePackageRestrictionsLocked(userId); 20177 scheduleWritePackageListLocked(userId); 20178 applyFactoryDefaultBrowserLPw(userId); 20179 primeDomainVerificationsLPw(userId); 20180 } 20181 } 20182 20183 void onBeforeUserStartUninitialized(final int userId) { 20184 synchronized (mPackages) { 20185 if (mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20186 return; 20187 } 20188 } 20189 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20190 // If permission review for legacy apps is required, we represent 20191 // dagerous permissions for such apps as always granted runtime 20192 // permissions to keep per user flag state whether review is needed. 20193 // Hence, if a new user is added we have to propagate dangerous 20194 // permission grants for these legacy apps. 20195 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 20196 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 20197 | UPDATE_PERMISSIONS_REPLACE_ALL); 20198 } 20199 } 20200 20201 @Override 20202 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 20203 mContext.enforceCallingOrSelfPermission( 20204 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 20205 "Only package verification agents can read the verifier device identity"); 20206 20207 synchronized (mPackages) { 20208 return mSettings.getVerifierDeviceIdentityLPw(); 20209 } 20210 } 20211 20212 @Override 20213 public void setPermissionEnforced(String permission, boolean enforced) { 20214 // TODO: Now that we no longer change GID for storage, this should to away. 20215 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 20216 "setPermissionEnforced"); 20217 if (READ_EXTERNAL_STORAGE.equals(permission)) { 20218 synchronized (mPackages) { 20219 if (mSettings.mReadExternalStorageEnforced == null 20220 || mSettings.mReadExternalStorageEnforced != enforced) { 20221 mSettings.mReadExternalStorageEnforced = enforced; 20222 mSettings.writeLPr(); 20223 } 20224 } 20225 // kill any non-foreground processes so we restart them and 20226 // grant/revoke the GID. 20227 final IActivityManager am = ActivityManagerNative.getDefault(); 20228 if (am != null) { 20229 final long token = Binder.clearCallingIdentity(); 20230 try { 20231 am.killProcessesBelowForeground("setPermissionEnforcement"); 20232 } catch (RemoteException e) { 20233 } finally { 20234 Binder.restoreCallingIdentity(token); 20235 } 20236 } 20237 } else { 20238 throw new IllegalArgumentException("No selective enforcement for " + permission); 20239 } 20240 } 20241 20242 @Override 20243 @Deprecated 20244 public boolean isPermissionEnforced(String permission) { 20245 return true; 20246 } 20247 20248 @Override 20249 public boolean isStorageLow() { 20250 final long token = Binder.clearCallingIdentity(); 20251 try { 20252 final DeviceStorageMonitorInternal 20253 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 20254 if (dsm != null) { 20255 return dsm.isMemoryLow(); 20256 } else { 20257 return false; 20258 } 20259 } finally { 20260 Binder.restoreCallingIdentity(token); 20261 } 20262 } 20263 20264 @Override 20265 public IPackageInstaller getPackageInstaller() { 20266 return mInstallerService; 20267 } 20268 20269 private boolean userNeedsBadging(int userId) { 20270 int index = mUserNeedsBadging.indexOfKey(userId); 20271 if (index < 0) { 20272 final UserInfo userInfo; 20273 final long token = Binder.clearCallingIdentity(); 20274 try { 20275 userInfo = sUserManager.getUserInfo(userId); 20276 } finally { 20277 Binder.restoreCallingIdentity(token); 20278 } 20279 final boolean b; 20280 if (userInfo != null && userInfo.isManagedProfile()) { 20281 b = true; 20282 } else { 20283 b = false; 20284 } 20285 mUserNeedsBadging.put(userId, b); 20286 return b; 20287 } 20288 return mUserNeedsBadging.valueAt(index); 20289 } 20290 20291 @Override 20292 public KeySet getKeySetByAlias(String packageName, String alias) { 20293 if (packageName == null || alias == null) { 20294 return null; 20295 } 20296 synchronized(mPackages) { 20297 final PackageParser.Package pkg = mPackages.get(packageName); 20298 if (pkg == null) { 20299 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20300 throw new IllegalArgumentException("Unknown package: " + packageName); 20301 } 20302 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20303 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 20304 } 20305 } 20306 20307 @Override 20308 public KeySet getSigningKeySet(String packageName) { 20309 if (packageName == null) { 20310 return null; 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 if (pkg.applicationInfo.uid != Binder.getCallingUid() 20319 && Process.SYSTEM_UID != Binder.getCallingUid()) { 20320 throw new SecurityException("May not access signing KeySet of other apps."); 20321 } 20322 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20323 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 20324 } 20325 } 20326 20327 @Override 20328 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 20329 if (packageName == null || ks == null) { 20330 return false; 20331 } 20332 synchronized(mPackages) { 20333 final PackageParser.Package pkg = mPackages.get(packageName); 20334 if (pkg == null) { 20335 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20336 throw new IllegalArgumentException("Unknown package: " + packageName); 20337 } 20338 IBinder ksh = ks.getToken(); 20339 if (ksh instanceof KeySetHandle) { 20340 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20341 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 20342 } 20343 return false; 20344 } 20345 } 20346 20347 @Override 20348 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 20349 if (packageName == null || ks == null) { 20350 return false; 20351 } 20352 synchronized(mPackages) { 20353 final PackageParser.Package pkg = mPackages.get(packageName); 20354 if (pkg == null) { 20355 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 20356 throw new IllegalArgumentException("Unknown package: " + packageName); 20357 } 20358 IBinder ksh = ks.getToken(); 20359 if (ksh instanceof KeySetHandle) { 20360 KeySetManagerService ksms = mSettings.mKeySetManagerService; 20361 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 20362 } 20363 return false; 20364 } 20365 } 20366 20367 private void deletePackageIfUnusedLPr(final String packageName) { 20368 PackageSetting ps = mSettings.mPackages.get(packageName); 20369 if (ps == null) { 20370 return; 20371 } 20372 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 20373 // TODO Implement atomic delete if package is unused 20374 // It is currently possible that the package will be deleted even if it is installed 20375 // after this method returns. 20376 mHandler.post(new Runnable() { 20377 public void run() { 20378 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 20379 } 20380 }); 20381 } 20382 } 20383 20384 /** 20385 * Check and throw if the given before/after packages would be considered a 20386 * downgrade. 20387 */ 20388 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20389 throws PackageManagerException { 20390 if (after.versionCode < before.mVersionCode) { 20391 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20392 "Update version code " + after.versionCode + " is older than current " 20393 + before.mVersionCode); 20394 } else if (after.versionCode == before.mVersionCode) { 20395 if (after.baseRevisionCode < before.baseRevisionCode) { 20396 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20397 "Update base revision code " + after.baseRevisionCode 20398 + " is older than current " + before.baseRevisionCode); 20399 } 20400 20401 if (!ArrayUtils.isEmpty(after.splitNames)) { 20402 for (int i = 0; i < after.splitNames.length; i++) { 20403 final String splitName = after.splitNames[i]; 20404 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20405 if (j != -1) { 20406 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20407 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20408 "Update split " + splitName + " revision code " 20409 + after.splitRevisionCodes[i] + " is older than current " 20410 + before.splitRevisionCodes[j]); 20411 } 20412 } 20413 } 20414 } 20415 } 20416 } 20417 20418 private static class MoveCallbacks extends Handler { 20419 private static final int MSG_CREATED = 1; 20420 private static final int MSG_STATUS_CHANGED = 2; 20421 20422 private final RemoteCallbackList<IPackageMoveObserver> 20423 mCallbacks = new RemoteCallbackList<>(); 20424 20425 private final SparseIntArray mLastStatus = new SparseIntArray(); 20426 20427 public MoveCallbacks(Looper looper) { 20428 super(looper); 20429 } 20430 20431 public void register(IPackageMoveObserver callback) { 20432 mCallbacks.register(callback); 20433 } 20434 20435 public void unregister(IPackageMoveObserver callback) { 20436 mCallbacks.unregister(callback); 20437 } 20438 20439 @Override 20440 public void handleMessage(Message msg) { 20441 final SomeArgs args = (SomeArgs) msg.obj; 20442 final int n = mCallbacks.beginBroadcast(); 20443 for (int i = 0; i < n; i++) { 20444 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20445 try { 20446 invokeCallback(callback, msg.what, args); 20447 } catch (RemoteException ignored) { 20448 } 20449 } 20450 mCallbacks.finishBroadcast(); 20451 args.recycle(); 20452 } 20453 20454 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20455 throws RemoteException { 20456 switch (what) { 20457 case MSG_CREATED: { 20458 callback.onCreated(args.argi1, (Bundle) args.arg2); 20459 break; 20460 } 20461 case MSG_STATUS_CHANGED: { 20462 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20463 break; 20464 } 20465 } 20466 } 20467 20468 private void notifyCreated(int moveId, Bundle extras) { 20469 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20470 20471 final SomeArgs args = SomeArgs.obtain(); 20472 args.argi1 = moveId; 20473 args.arg2 = extras; 20474 obtainMessage(MSG_CREATED, args).sendToTarget(); 20475 } 20476 20477 private void notifyStatusChanged(int moveId, int status) { 20478 notifyStatusChanged(moveId, status, -1); 20479 } 20480 20481 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20482 Slog.v(TAG, "Move " + moveId + " status " + status); 20483 20484 final SomeArgs args = SomeArgs.obtain(); 20485 args.argi1 = moveId; 20486 args.argi2 = status; 20487 args.arg3 = estMillis; 20488 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20489 20490 synchronized (mLastStatus) { 20491 mLastStatus.put(moveId, status); 20492 } 20493 } 20494 } 20495 20496 private final static class OnPermissionChangeListeners extends Handler { 20497 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20498 20499 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20500 new RemoteCallbackList<>(); 20501 20502 public OnPermissionChangeListeners(Looper looper) { 20503 super(looper); 20504 } 20505 20506 @Override 20507 public void handleMessage(Message msg) { 20508 switch (msg.what) { 20509 case MSG_ON_PERMISSIONS_CHANGED: { 20510 final int uid = msg.arg1; 20511 handleOnPermissionsChanged(uid); 20512 } break; 20513 } 20514 } 20515 20516 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20517 mPermissionListeners.register(listener); 20518 20519 } 20520 20521 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20522 mPermissionListeners.unregister(listener); 20523 } 20524 20525 public void onPermissionsChanged(int uid) { 20526 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20527 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20528 } 20529 } 20530 20531 private void handleOnPermissionsChanged(int uid) { 20532 final int count = mPermissionListeners.beginBroadcast(); 20533 try { 20534 for (int i = 0; i < count; i++) { 20535 IOnPermissionsChangeListener callback = mPermissionListeners 20536 .getBroadcastItem(i); 20537 try { 20538 callback.onPermissionsChanged(uid); 20539 } catch (RemoteException e) { 20540 Log.e(TAG, "Permission listener is dead", e); 20541 } 20542 } 20543 } finally { 20544 mPermissionListeners.finishBroadcast(); 20545 } 20546 } 20547 } 20548 20549 private class PackageManagerInternalImpl extends PackageManagerInternal { 20550 @Override 20551 public void setLocationPackagesProvider(PackagesProvider provider) { 20552 synchronized (mPackages) { 20553 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20554 } 20555 } 20556 20557 @Override 20558 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20559 synchronized (mPackages) { 20560 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20561 } 20562 } 20563 20564 @Override 20565 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20566 synchronized (mPackages) { 20567 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20568 } 20569 } 20570 20571 @Override 20572 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20573 synchronized (mPackages) { 20574 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20575 } 20576 } 20577 20578 @Override 20579 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20580 synchronized (mPackages) { 20581 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20582 } 20583 } 20584 20585 @Override 20586 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20587 synchronized (mPackages) { 20588 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20589 } 20590 } 20591 20592 @Override 20593 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20594 synchronized (mPackages) { 20595 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20596 packageName, userId); 20597 } 20598 } 20599 20600 @Override 20601 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20602 synchronized (mPackages) { 20603 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 20604 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20605 packageName, userId); 20606 } 20607 } 20608 20609 @Override 20610 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20611 synchronized (mPackages) { 20612 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20613 packageName, userId); 20614 } 20615 } 20616 20617 @Override 20618 public void setKeepUninstalledPackages(final List<String> packageList) { 20619 Preconditions.checkNotNull(packageList); 20620 List<String> removedFromList = null; 20621 synchronized (mPackages) { 20622 if (mKeepUninstalledPackages != null) { 20623 final int packagesCount = mKeepUninstalledPackages.size(); 20624 for (int i = 0; i < packagesCount; i++) { 20625 String oldPackage = mKeepUninstalledPackages.get(i); 20626 if (packageList != null && packageList.contains(oldPackage)) { 20627 continue; 20628 } 20629 if (removedFromList == null) { 20630 removedFromList = new ArrayList<>(); 20631 } 20632 removedFromList.add(oldPackage); 20633 } 20634 } 20635 mKeepUninstalledPackages = new ArrayList<>(packageList); 20636 if (removedFromList != null) { 20637 final int removedCount = removedFromList.size(); 20638 for (int i = 0; i < removedCount; i++) { 20639 deletePackageIfUnusedLPr(removedFromList.get(i)); 20640 } 20641 } 20642 } 20643 } 20644 20645 @Override 20646 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20647 synchronized (mPackages) { 20648 // If we do not support permission review, done. 20649 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20650 return false; 20651 } 20652 20653 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20654 if (packageSetting == null) { 20655 return false; 20656 } 20657 20658 // Permission review applies only to apps not supporting the new permission model. 20659 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20660 return false; 20661 } 20662 20663 // Legacy apps have the permission and get user consent on launch. 20664 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20665 return permissionsState.isPermissionReviewRequired(userId); 20666 } 20667 } 20668 20669 @Override 20670 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20671 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20672 } 20673 20674 @Override 20675 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20676 int userId) { 20677 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20678 } 20679 } 20680 20681 @Override 20682 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20683 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20684 synchronized (mPackages) { 20685 final long identity = Binder.clearCallingIdentity(); 20686 try { 20687 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20688 packageNames, userId); 20689 } finally { 20690 Binder.restoreCallingIdentity(identity); 20691 } 20692 } 20693 } 20694 20695 private static void enforceSystemOrPhoneCaller(String tag) { 20696 int callingUid = Binder.getCallingUid(); 20697 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20698 throw new SecurityException( 20699 "Cannot call " + tag + " from UID " + callingUid); 20700 } 20701 } 20702 20703 boolean isHistoricalPackageUsageAvailable() { 20704 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20705 } 20706 20707 /** 20708 * Return a <b>copy</b> of the collection of packages known to the package manager. 20709 * @return A copy of the values of mPackages. 20710 */ 20711 Collection<PackageParser.Package> getPackages() { 20712 synchronized (mPackages) { 20713 return new ArrayList<>(mPackages.values()); 20714 } 20715 } 20716 20717 /** 20718 * Logs process start information (including base APK hash) to the security log. 20719 * @hide 20720 */ 20721 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20722 String apkFile, int pid) { 20723 if (!SecurityLog.isLoggingEnabled()) { 20724 return; 20725 } 20726 Bundle data = new Bundle(); 20727 data.putLong("startTimestamp", System.currentTimeMillis()); 20728 data.putString("processName", processName); 20729 data.putInt("uid", uid); 20730 data.putString("seinfo", seinfo); 20731 data.putString("apkFile", apkFile); 20732 data.putInt("pid", pid); 20733 Message msg = mProcessLoggingHandler.obtainMessage( 20734 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20735 msg.setData(data); 20736 mProcessLoggingHandler.sendMessage(msg); 20737 } 20738} 20739