PackageManagerService.java revision c7b9482b0c4bb2d378e63541b96be45c50094e05
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 101 102import android.Manifest; 103import android.annotation.NonNull; 104import android.annotation.Nullable; 105import android.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.admin.DevicePolicyManagerInternal; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.Context; 115import android.content.IIntentReceiver; 116import android.content.Intent; 117import android.content.IntentFilter; 118import android.content.IntentSender; 119import android.content.IntentSender.SendIntentException; 120import android.content.ServiceConnection; 121import android.content.pm.ActivityInfo; 122import android.content.pm.ApplicationInfo; 123import android.content.pm.AppsQueryHelper; 124import android.content.pm.ComponentInfo; 125import android.content.pm.EphemeralApplicationInfo; 126import android.content.pm.EphemeralResolveInfo; 127import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 128import android.content.pm.FeatureInfo; 129import android.content.pm.IOnPermissionsChangeListener; 130import android.content.pm.IPackageDataObserver; 131import android.content.pm.IPackageDeleteObserver; 132import android.content.pm.IPackageDeleteObserver2; 133import android.content.pm.IPackageInstallObserver2; 134import android.content.pm.IPackageInstaller; 135import android.content.pm.IPackageManager; 136import android.content.pm.IPackageMoveObserver; 137import android.content.pm.IPackageStatsObserver; 138import android.content.pm.InstrumentationInfo; 139import android.content.pm.IntentFilterVerificationInfo; 140import android.content.pm.KeySet; 141import android.content.pm.PackageCleanItem; 142import android.content.pm.PackageInfo; 143import android.content.pm.PackageInfoLite; 144import android.content.pm.PackageInstaller; 145import android.content.pm.PackageManager; 146import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 147import android.content.pm.PackageManagerInternal; 148import android.content.pm.PackageParser; 149import android.content.pm.PackageParser.ActivityIntentInfo; 150import android.content.pm.PackageParser.PackageLite; 151import android.content.pm.PackageParser.PackageParserException; 152import android.content.pm.PackageStats; 153import android.content.pm.PackageUserState; 154import android.content.pm.ParceledListSlice; 155import android.content.pm.PermissionGroupInfo; 156import android.content.pm.PermissionInfo; 157import android.content.pm.ProviderInfo; 158import android.content.pm.ResolveInfo; 159import android.content.pm.ServiceInfo; 160import android.content.pm.Signature; 161import android.content.pm.UserInfo; 162import android.content.pm.VerifierDeviceIdentity; 163import android.content.pm.VerifierInfo; 164import android.content.res.Resources; 165import android.graphics.Bitmap; 166import android.hardware.display.DisplayManager; 167import android.net.Uri; 168import android.os.Binder; 169import android.os.Build; 170import android.os.Bundle; 171import android.os.Debug; 172import android.os.Environment; 173import android.os.Environment.UserEnvironment; 174import android.os.FileUtils; 175import android.os.Handler; 176import android.os.IBinder; 177import android.os.Looper; 178import android.os.Message; 179import android.os.Parcel; 180import android.os.ParcelFileDescriptor; 181import android.os.Process; 182import android.os.RemoteCallbackList; 183import android.os.RemoteException; 184import android.os.ResultReceiver; 185import android.os.SELinux; 186import android.os.ServiceManager; 187import android.os.SystemClock; 188import android.os.SystemProperties; 189import android.os.Trace; 190import android.os.UserHandle; 191import android.os.UserManager; 192import android.os.storage.IMountService; 193import android.os.storage.MountServiceInternal; 194import android.os.storage.StorageEventListener; 195import android.os.storage.StorageManager; 196import android.os.storage.VolumeInfo; 197import android.os.storage.VolumeRecord; 198import android.security.KeyStore; 199import android.security.SystemKeyStore; 200import android.system.ErrnoException; 201import android.system.Os; 202import android.text.TextUtils; 203import android.text.format.DateUtils; 204import android.util.ArrayMap; 205import android.util.ArraySet; 206import android.util.AtomicFile; 207import android.util.DisplayMetrics; 208import android.util.EventLog; 209import android.util.ExceptionUtils; 210import android.util.Log; 211import android.util.LogPrinter; 212import android.util.MathUtils; 213import android.util.PrintStreamPrinter; 214import android.util.Slog; 215import android.util.SparseArray; 216import android.util.SparseBooleanArray; 217import android.util.SparseIntArray; 218import android.util.Xml; 219import android.util.jar.StrictJarFile; 220import android.view.Display; 221 222import com.android.internal.R; 223import com.android.internal.annotations.GuardedBy; 224import com.android.internal.app.IMediaContainerService; 225import com.android.internal.app.ResolverActivity; 226import com.android.internal.content.NativeLibraryHelper; 227import com.android.internal.content.PackageHelper; 228import com.android.internal.os.IParcelFileDescriptorFactory; 229import com.android.internal.os.InstallerConnection.InstallerException; 230import com.android.internal.os.SomeArgs; 231import com.android.internal.os.Zygote; 232import com.android.internal.telephony.CarrierAppUtils; 233import com.android.internal.util.ArrayUtils; 234import com.android.internal.util.FastPrintWriter; 235import com.android.internal.util.FastXmlSerializer; 236import com.android.internal.util.IndentingPrintWriter; 237import com.android.internal.util.Preconditions; 238import com.android.internal.util.XmlUtils; 239import com.android.server.EventLogTags; 240import com.android.server.FgThread; 241import com.android.server.IntentResolver; 242import com.android.server.LocalServices; 243import com.android.server.ServiceThread; 244import com.android.server.SystemConfig; 245import com.android.server.Watchdog; 246import com.android.server.pm.PermissionsState.PermissionState; 247import com.android.server.pm.Settings.DatabaseVersion; 248import com.android.server.pm.Settings.VersionInfo; 249import com.android.server.storage.DeviceStorageMonitorInternal; 250 251import dalvik.system.CloseGuard; 252import dalvik.system.DexFile; 253import dalvik.system.VMRuntime; 254 255import libcore.io.IoUtils; 256import libcore.util.EmptyArray; 257 258import org.xmlpull.v1.XmlPullParser; 259import org.xmlpull.v1.XmlPullParserException; 260import org.xmlpull.v1.XmlSerializer; 261 262import java.io.BufferedInputStream; 263import java.io.BufferedOutputStream; 264import java.io.BufferedReader; 265import java.io.ByteArrayInputStream; 266import java.io.ByteArrayOutputStream; 267import java.io.File; 268import java.io.FileDescriptor; 269import java.io.FileNotFoundException; 270import java.io.FileOutputStream; 271import java.io.FileReader; 272import java.io.FilenameFilter; 273import java.io.IOException; 274import java.io.InputStream; 275import java.io.PrintWriter; 276import java.nio.charset.StandardCharsets; 277import java.security.MessageDigest; 278import java.security.NoSuchAlgorithmException; 279import java.security.PublicKey; 280import java.security.cert.Certificate; 281import java.security.cert.CertificateEncodingException; 282import java.security.cert.CertificateException; 283import java.text.SimpleDateFormat; 284import java.util.ArrayList; 285import java.util.Arrays; 286import java.util.Collection; 287import java.util.Collections; 288import java.util.Comparator; 289import java.util.Date; 290import java.util.HashSet; 291import java.util.Iterator; 292import java.util.List; 293import java.util.Map; 294import java.util.Objects; 295import java.util.Set; 296import java.util.concurrent.CountDownLatch; 297import java.util.concurrent.TimeUnit; 298import java.util.concurrent.atomic.AtomicBoolean; 299import java.util.concurrent.atomic.AtomicInteger; 300import java.util.concurrent.atomic.AtomicLong; 301 302/** 303 * Keep track of all those APKs everywhere. 304 * <p> 305 * Internally there are two important locks: 306 * <ul> 307 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 308 * and other related state. It is a fine-grained lock that should only be held 309 * momentarily, as it's one of the most contended locks in the system. 310 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 311 * operations typically involve heavy lifting of application data on disk. Since 312 * {@code installd} is single-threaded, and it's operations can often be slow, 313 * this lock should never be acquired while already holding {@link #mPackages}. 314 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 315 * holding {@link #mInstallLock}. 316 * </ul> 317 * Many internal methods rely on the caller to hold the appropriate locks, and 318 * this contract is expressed through method name suffixes: 319 * <ul> 320 * <li>fooLI(): the caller must hold {@link #mInstallLock} 321 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 322 * being modified must be frozen 323 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 324 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 325 * </ul> 326 * <p> 327 * Because this class is very central to the platform's security; please run all 328 * CTS and unit tests whenever making modifications: 329 * 330 * <pre> 331 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 332 * $ cts-tradefed run commandAndExit cts -m AppSecurityTests 333 * </pre> 334 */ 335public class PackageManagerService extends IPackageManager.Stub { 336 static final String TAG = "PackageManager"; 337 static final boolean DEBUG_SETTINGS = false; 338 static final boolean DEBUG_PREFERRED = false; 339 static final boolean DEBUG_UPGRADE = false; 340 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 341 private static final boolean DEBUG_BACKUP = false; 342 private static final boolean DEBUG_INSTALL = false; 343 private static final boolean DEBUG_REMOVE = false; 344 private static final boolean DEBUG_BROADCASTS = false; 345 private static final boolean DEBUG_SHOW_INFO = false; 346 private static final boolean DEBUG_PACKAGE_INFO = false; 347 private static final boolean DEBUG_INTENT_MATCHING = false; 348 private static final boolean DEBUG_PACKAGE_SCANNING = false; 349 private static final boolean DEBUG_VERIFY = false; 350 private static final boolean DEBUG_FILTERS = false; 351 352 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 353 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 354 // user, but by default initialize to this. 355 static final boolean DEBUG_DEXOPT = false; 356 357 private static final boolean DEBUG_ABI_SELECTION = false; 358 private static final boolean DEBUG_EPHEMERAL = false; 359 private static final boolean DEBUG_TRIAGED_MISSING = false; 360 private static final boolean DEBUG_APP_DATA = false; 361 362 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 363 364 private static final boolean DISABLE_EPHEMERAL_APPS = true; 365 366 private static final int RADIO_UID = Process.PHONE_UID; 367 private static final int LOG_UID = Process.LOG_UID; 368 private static final int NFC_UID = Process.NFC_UID; 369 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 370 private static final int SHELL_UID = Process.SHELL_UID; 371 372 // Cap the size of permission trees that 3rd party apps can define 373 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 374 375 // Suffix used during package installation when copying/moving 376 // package apks to install directory. 377 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 378 379 static final int SCAN_NO_DEX = 1<<1; 380 static final int SCAN_FORCE_DEX = 1<<2; 381 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 382 static final int SCAN_NEW_INSTALL = 1<<4; 383 static final int SCAN_NO_PATHS = 1<<5; 384 static final int SCAN_UPDATE_TIME = 1<<6; 385 static final int SCAN_DEFER_DEX = 1<<7; 386 static final int SCAN_BOOTING = 1<<8; 387 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 388 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 389 static final int SCAN_REPLACING = 1<<11; 390 static final int SCAN_REQUIRE_KNOWN = 1<<12; 391 static final int SCAN_MOVE = 1<<13; 392 static final int SCAN_INITIAL = 1<<14; 393 static final int SCAN_CHECK_ONLY = 1<<15; 394 static final int SCAN_DONT_KILL_APP = 1<<17; 395 static final int SCAN_IGNORE_FROZEN = 1<<18; 396 397 static final int REMOVE_CHATTY = 1<<16; 398 399 private static final int[] EMPTY_INT_ARRAY = new int[0]; 400 401 /** 402 * Timeout (in milliseconds) after which the watchdog should declare that 403 * our handler thread is wedged. The usual default for such things is one 404 * minute but we sometimes do very lengthy I/O operations on this thread, 405 * such as installing multi-gigabyte applications, so ours needs to be longer. 406 */ 407 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 408 409 /** 410 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 411 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 412 * settings entry if available, otherwise we use the hardcoded default. If it's been 413 * more than this long since the last fstrim, we force one during the boot sequence. 414 * 415 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 416 * one gets run at the next available charging+idle time. This final mandatory 417 * no-fstrim check kicks in only of the other scheduling criteria is never met. 418 */ 419 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 420 421 /** 422 * Whether verification is enabled by default. 423 */ 424 private static final boolean DEFAULT_VERIFY_ENABLE = true; 425 426 /** 427 * The default maximum time to wait for the verification agent to return in 428 * milliseconds. 429 */ 430 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 431 432 /** 433 * The default response for package verification timeout. 434 * 435 * This can be either PackageManager.VERIFICATION_ALLOW or 436 * PackageManager.VERIFICATION_REJECT. 437 */ 438 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 439 440 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 441 442 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 443 DEFAULT_CONTAINER_PACKAGE, 444 "com.android.defcontainer.DefaultContainerService"); 445 446 private static final String KILL_APP_REASON_GIDS_CHANGED = 447 "permission grant or revoke changed gids"; 448 449 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 450 "permissions revoked"; 451 452 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 453 454 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 455 456 /** Permission grant: not grant the permission. */ 457 private static final int GRANT_DENIED = 1; 458 459 /** Permission grant: grant the permission as an install permission. */ 460 private static final int GRANT_INSTALL = 2; 461 462 /** Permission grant: grant the permission as a runtime one. */ 463 private static final int GRANT_RUNTIME = 3; 464 465 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 466 private static final int GRANT_UPGRADE = 4; 467 468 /** Canonical intent used to identify what counts as a "web browser" app */ 469 private static final Intent sBrowserIntent; 470 static { 471 sBrowserIntent = new Intent(); 472 sBrowserIntent.setAction(Intent.ACTION_VIEW); 473 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 474 sBrowserIntent.setData(Uri.parse("http:")); 475 } 476 477 /** 478 * The set of all protected actions [i.e. those actions for which a high priority 479 * intent filter is disallowed]. 480 */ 481 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 482 static { 483 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 484 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 485 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 486 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 487 } 488 489 // Compilation reasons. 490 public static final int REASON_FIRST_BOOT = 0; 491 public static final int REASON_BOOT = 1; 492 public static final int REASON_INSTALL = 2; 493 public static final int REASON_BACKGROUND_DEXOPT = 3; 494 public static final int REASON_AB_OTA = 4; 495 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 496 public static final int REASON_SHARED_APK = 6; 497 public static final int REASON_FORCED_DEXOPT = 7; 498 499 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 500 501 // Special String to skip shared libraries check during compilation. 502 private static final String SPECIAL_SHARED_LIBRARY = "&"; 503 504 final ServiceThread mHandlerThread; 505 506 final PackageHandler mHandler; 507 508 private final ProcessLoggingHandler mProcessLoggingHandler; 509 510 /** 511 * Messages for {@link #mHandler} that need to wait for system ready before 512 * being dispatched. 513 */ 514 private ArrayList<Message> mPostSystemReadyMessages; 515 516 final int mSdkVersion = Build.VERSION.SDK_INT; 517 518 final Context mContext; 519 final boolean mFactoryTest; 520 final boolean mOnlyCore; 521 final DisplayMetrics mMetrics; 522 final int mDefParseFlags; 523 final String[] mSeparateProcesses; 524 final boolean mIsUpgrade; 525 final boolean mIsPreNUpgrade; 526 527 /** The location for ASEC container files on internal storage. */ 528 final String mAsecInternalPath; 529 530 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 531 // LOCK HELD. Can be called with mInstallLock held. 532 @GuardedBy("mInstallLock") 533 final Installer mInstaller; 534 535 /** Directory where installed third-party apps stored */ 536 final File mAppInstallDir; 537 final File mEphemeralInstallDir; 538 539 /** 540 * Directory to which applications installed internally have their 541 * 32 bit native libraries copied. 542 */ 543 private File mAppLib32InstallDir; 544 545 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 546 // apps. 547 final File mDrmAppPrivateInstallDir; 548 549 // ---------------------------------------------------------------- 550 551 // Lock for state used when installing and doing other long running 552 // operations. Methods that must be called with this lock held have 553 // the suffix "LI". 554 final Object mInstallLock = new Object(); 555 556 // ---------------------------------------------------------------- 557 558 // Keys are String (package name), values are Package. This also serves 559 // as the lock for the global state. Methods that must be called with 560 // this lock held have the prefix "LP". 561 @GuardedBy("mPackages") 562 final ArrayMap<String, PackageParser.Package> mPackages = 563 new ArrayMap<String, PackageParser.Package>(); 564 565 final ArrayMap<String, Set<String>> mKnownCodebase = 566 new ArrayMap<String, Set<String>>(); 567 568 // Tracks available target package names -> overlay package paths. 569 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 570 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 571 572 /** 573 * Tracks new system packages [received in an OTA] that we expect to 574 * find updated user-installed versions. Keys are package name, values 575 * are package location. 576 */ 577 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 578 /** 579 * Tracks high priority intent filters for protected actions. During boot, certain 580 * filter actions are protected and should never be allowed to have a high priority 581 * intent filter for them. However, there is one, and only one exception -- the 582 * setup wizard. It must be able to define a high priority intent filter for these 583 * actions to ensure there are no escapes from the wizard. We need to delay processing 584 * of these during boot as we need to look at all of the system packages in order 585 * to know which component is the setup wizard. 586 */ 587 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 588 /** 589 * Whether or not processing protected filters should be deferred. 590 */ 591 private boolean mDeferProtectedFilters = true; 592 593 /** 594 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 595 */ 596 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 597 /** 598 * Whether or not system app permissions should be promoted from install to runtime. 599 */ 600 boolean mPromoteSystemApps; 601 602 @GuardedBy("mPackages") 603 final Settings mSettings; 604 605 /** 606 * Set of package names that are currently "frozen", which means active 607 * surgery is being done on the code/data for that package. The platform 608 * will refuse to launch frozen packages to avoid race conditions. 609 * 610 * @see PackageFreezer 611 */ 612 @GuardedBy("mPackages") 613 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 614 615 boolean mRestoredSettings; 616 617 // System configuration read by SystemConfig. 618 final int[] mGlobalGids; 619 final SparseArray<ArraySet<String>> mSystemPermissions; 620 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 621 622 // If mac_permissions.xml was found for seinfo labeling. 623 boolean mFoundPolicyFile; 624 625 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 626 627 public static final class SharedLibraryEntry { 628 public final String path; 629 public final String apk; 630 631 SharedLibraryEntry(String _path, String _apk) { 632 path = _path; 633 apk = _apk; 634 } 635 } 636 637 // Currently known shared libraries. 638 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 639 new ArrayMap<String, SharedLibraryEntry>(); 640 641 // All available activities, for your resolving pleasure. 642 final ActivityIntentResolver mActivities = 643 new ActivityIntentResolver(); 644 645 // All available receivers, for your resolving pleasure. 646 final ActivityIntentResolver mReceivers = 647 new ActivityIntentResolver(); 648 649 // All available services, for your resolving pleasure. 650 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 651 652 // All available providers, for your resolving pleasure. 653 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 654 655 // Mapping from provider base names (first directory in content URI codePath) 656 // to the provider information. 657 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 658 new ArrayMap<String, PackageParser.Provider>(); 659 660 // Mapping from instrumentation class names to info about them. 661 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 662 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 663 664 // Mapping from permission names to info about them. 665 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 666 new ArrayMap<String, PackageParser.PermissionGroup>(); 667 668 // Packages whose data we have transfered into another package, thus 669 // should no longer exist. 670 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 671 672 // Broadcast actions that are only available to the system. 673 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 674 675 /** List of packages waiting for verification. */ 676 final SparseArray<PackageVerificationState> mPendingVerification 677 = new SparseArray<PackageVerificationState>(); 678 679 /** Set of packages associated with each app op permission. */ 680 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 681 682 final PackageInstallerService mInstallerService; 683 684 private final PackageDexOptimizer mPackageDexOptimizer; 685 686 private AtomicInteger mNextMoveId = new AtomicInteger(); 687 private final MoveCallbacks mMoveCallbacks; 688 689 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 690 691 // Cache of users who need badging. 692 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 693 694 /** Token for keys in mPendingVerification. */ 695 private int mPendingVerificationToken = 0; 696 697 volatile boolean mSystemReady; 698 volatile boolean mSafeMode; 699 volatile boolean mHasSystemUidErrors; 700 701 ApplicationInfo mAndroidApplication; 702 final ActivityInfo mResolveActivity = new ActivityInfo(); 703 final ResolveInfo mResolveInfo = new ResolveInfo(); 704 ComponentName mResolveComponentName; 705 PackageParser.Package mPlatformPackage; 706 ComponentName mCustomResolverComponentName; 707 708 boolean mResolverReplaced = false; 709 710 private final @Nullable ComponentName mIntentFilterVerifierComponent; 711 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 712 713 private int mIntentFilterVerificationToken = 0; 714 715 /** Component that knows whether or not an ephemeral application exists */ 716 final ComponentName mEphemeralResolverComponent; 717 /** The service connection to the ephemeral resolver */ 718 final EphemeralResolverConnection mEphemeralResolverConnection; 719 720 /** Component used to install ephemeral applications */ 721 final ComponentName mEphemeralInstallerComponent; 722 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 723 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 724 725 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 726 = new SparseArray<IntentFilterVerificationState>(); 727 728 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 729 new DefaultPermissionGrantPolicy(this); 730 731 // List of packages names to keep cached, even if they are uninstalled for all users 732 private List<String> mKeepUninstalledPackages; 733 734 private static class IFVerificationParams { 735 PackageParser.Package pkg; 736 boolean replacing; 737 int userId; 738 int verifierUid; 739 740 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 741 int _userId, int _verifierUid) { 742 pkg = _pkg; 743 replacing = _replacing; 744 userId = _userId; 745 replacing = _replacing; 746 verifierUid = _verifierUid; 747 } 748 } 749 750 private interface IntentFilterVerifier<T extends IntentFilter> { 751 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 752 T filter, String packageName); 753 void startVerifications(int userId); 754 void receiveVerificationResponse(int verificationId); 755 } 756 757 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 758 private Context mContext; 759 private ComponentName mIntentFilterVerifierComponent; 760 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 761 762 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 763 mContext = context; 764 mIntentFilterVerifierComponent = verifierComponent; 765 } 766 767 private String getDefaultScheme() { 768 return IntentFilter.SCHEME_HTTPS; 769 } 770 771 @Override 772 public void startVerifications(int userId) { 773 // Launch verifications requests 774 int count = mCurrentIntentFilterVerifications.size(); 775 for (int n=0; n<count; n++) { 776 int verificationId = mCurrentIntentFilterVerifications.get(n); 777 final IntentFilterVerificationState ivs = 778 mIntentFilterVerificationStates.get(verificationId); 779 780 String packageName = ivs.getPackageName(); 781 782 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 783 final int filterCount = filters.size(); 784 ArraySet<String> domainsSet = new ArraySet<>(); 785 for (int m=0; m<filterCount; m++) { 786 PackageParser.ActivityIntentInfo filter = filters.get(m); 787 domainsSet.addAll(filter.getHostsList()); 788 } 789 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 790 synchronized (mPackages) { 791 if (mSettings.createIntentFilterVerificationIfNeededLPw( 792 packageName, domainsList) != null) { 793 scheduleWriteSettingsLocked(); 794 } 795 } 796 sendVerificationRequest(userId, verificationId, ivs); 797 } 798 mCurrentIntentFilterVerifications.clear(); 799 } 800 801 private void sendVerificationRequest(int userId, int verificationId, 802 IntentFilterVerificationState ivs) { 803 804 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 805 verificationIntent.putExtra( 806 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 807 verificationId); 808 verificationIntent.putExtra( 809 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 810 getDefaultScheme()); 811 verificationIntent.putExtra( 812 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 813 ivs.getHostsString()); 814 verificationIntent.putExtra( 815 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 816 ivs.getPackageName()); 817 verificationIntent.setComponent(mIntentFilterVerifierComponent); 818 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 819 820 UserHandle user = new UserHandle(userId); 821 mContext.sendBroadcastAsUser(verificationIntent, user); 822 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 823 "Sending IntentFilter verification broadcast"); 824 } 825 826 public void receiveVerificationResponse(int verificationId) { 827 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 828 829 final boolean verified = ivs.isVerified(); 830 831 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 832 final int count = filters.size(); 833 if (DEBUG_DOMAIN_VERIFICATION) { 834 Slog.i(TAG, "Received verification response " + verificationId 835 + " for " + count + " filters, verified=" + verified); 836 } 837 for (int n=0; n<count; n++) { 838 PackageParser.ActivityIntentInfo filter = filters.get(n); 839 filter.setVerified(verified); 840 841 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 842 + " verified with result:" + verified + " and hosts:" 843 + ivs.getHostsString()); 844 } 845 846 mIntentFilterVerificationStates.remove(verificationId); 847 848 final String packageName = ivs.getPackageName(); 849 IntentFilterVerificationInfo ivi = null; 850 851 synchronized (mPackages) { 852 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 853 } 854 if (ivi == null) { 855 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 856 + verificationId + " packageName:" + packageName); 857 return; 858 } 859 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 860 "Updating IntentFilterVerificationInfo for package " + packageName 861 +" verificationId:" + verificationId); 862 863 synchronized (mPackages) { 864 if (verified) { 865 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 866 } else { 867 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 868 } 869 scheduleWriteSettingsLocked(); 870 871 final int userId = ivs.getUserId(); 872 if (userId != UserHandle.USER_ALL) { 873 final int userStatus = 874 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 875 876 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 877 boolean needUpdate = false; 878 879 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 880 // already been set by the User thru the Disambiguation dialog 881 switch (userStatus) { 882 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 883 if (verified) { 884 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 885 } else { 886 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 887 } 888 needUpdate = true; 889 break; 890 891 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 892 if (verified) { 893 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 894 needUpdate = true; 895 } 896 break; 897 898 default: 899 // Nothing to do 900 } 901 902 if (needUpdate) { 903 mSettings.updateIntentFilterVerificationStatusLPw( 904 packageName, updatedStatus, userId); 905 scheduleWritePackageRestrictionsLocked(userId); 906 } 907 } 908 } 909 } 910 911 @Override 912 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 913 ActivityIntentInfo filter, String packageName) { 914 if (!hasValidDomains(filter)) { 915 return false; 916 } 917 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 918 if (ivs == null) { 919 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 920 packageName); 921 } 922 if (DEBUG_DOMAIN_VERIFICATION) { 923 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 924 } 925 ivs.addFilter(filter); 926 return true; 927 } 928 929 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 930 int userId, int verificationId, String packageName) { 931 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 932 verifierUid, userId, packageName); 933 ivs.setPendingState(); 934 synchronized (mPackages) { 935 mIntentFilterVerificationStates.append(verificationId, ivs); 936 mCurrentIntentFilterVerifications.add(verificationId); 937 } 938 return ivs; 939 } 940 } 941 942 private static boolean hasValidDomains(ActivityIntentInfo filter) { 943 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 944 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 945 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 946 } 947 948 // Set of pending broadcasts for aggregating enable/disable of components. 949 static class PendingPackageBroadcasts { 950 // for each user id, a map of <package name -> components within that package> 951 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 952 953 public PendingPackageBroadcasts() { 954 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 955 } 956 957 public ArrayList<String> get(int userId, String packageName) { 958 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 959 return packages.get(packageName); 960 } 961 962 public void put(int userId, String packageName, ArrayList<String> components) { 963 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 964 packages.put(packageName, components); 965 } 966 967 public void remove(int userId, String packageName) { 968 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 969 if (packages != null) { 970 packages.remove(packageName); 971 } 972 } 973 974 public void remove(int userId) { 975 mUidMap.remove(userId); 976 } 977 978 public int userIdCount() { 979 return mUidMap.size(); 980 } 981 982 public int userIdAt(int n) { 983 return mUidMap.keyAt(n); 984 } 985 986 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 987 return mUidMap.get(userId); 988 } 989 990 public int size() { 991 // total number of pending broadcast entries across all userIds 992 int num = 0; 993 for (int i = 0; i< mUidMap.size(); i++) { 994 num += mUidMap.valueAt(i).size(); 995 } 996 return num; 997 } 998 999 public void clear() { 1000 mUidMap.clear(); 1001 } 1002 1003 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1004 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1005 if (map == null) { 1006 map = new ArrayMap<String, ArrayList<String>>(); 1007 mUidMap.put(userId, map); 1008 } 1009 return map; 1010 } 1011 } 1012 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1013 1014 // Service Connection to remote media container service to copy 1015 // package uri's from external media onto secure containers 1016 // or internal storage. 1017 private IMediaContainerService mContainerService = null; 1018 1019 static final int SEND_PENDING_BROADCAST = 1; 1020 static final int MCS_BOUND = 3; 1021 static final int END_COPY = 4; 1022 static final int INIT_COPY = 5; 1023 static final int MCS_UNBIND = 6; 1024 static final int START_CLEANING_PACKAGE = 7; 1025 static final int FIND_INSTALL_LOC = 8; 1026 static final int POST_INSTALL = 9; 1027 static final int MCS_RECONNECT = 10; 1028 static final int MCS_GIVE_UP = 11; 1029 static final int UPDATED_MEDIA_STATUS = 12; 1030 static final int WRITE_SETTINGS = 13; 1031 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1032 static final int PACKAGE_VERIFIED = 15; 1033 static final int CHECK_PENDING_VERIFICATION = 16; 1034 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1035 static final int INTENT_FILTER_VERIFIED = 18; 1036 1037 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1038 1039 // Delay time in millisecs 1040 static final int BROADCAST_DELAY = 10 * 1000; 1041 1042 static UserManagerService sUserManager; 1043 1044 // Stores a list of users whose package restrictions file needs to be updated 1045 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1046 1047 final private DefaultContainerConnection mDefContainerConn = 1048 new DefaultContainerConnection(); 1049 class DefaultContainerConnection implements ServiceConnection { 1050 public void onServiceConnected(ComponentName name, IBinder service) { 1051 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1052 IMediaContainerService imcs = 1053 IMediaContainerService.Stub.asInterface(service); 1054 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1055 } 1056 1057 public void onServiceDisconnected(ComponentName name) { 1058 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1059 } 1060 } 1061 1062 // Recordkeeping of restore-after-install operations that are currently in flight 1063 // between the Package Manager and the Backup Manager 1064 static class PostInstallData { 1065 public InstallArgs args; 1066 public PackageInstalledInfo res; 1067 1068 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1069 args = _a; 1070 res = _r; 1071 } 1072 } 1073 1074 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1075 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1076 1077 // XML tags for backup/restore of various bits of state 1078 private static final String TAG_PREFERRED_BACKUP = "pa"; 1079 private static final String TAG_DEFAULT_APPS = "da"; 1080 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1081 1082 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1083 private static final String TAG_ALL_GRANTS = "rt-grants"; 1084 private static final String TAG_GRANT = "grant"; 1085 private static final String ATTR_PACKAGE_NAME = "pkg"; 1086 1087 private static final String TAG_PERMISSION = "perm"; 1088 private static final String ATTR_PERMISSION_NAME = "name"; 1089 private static final String ATTR_IS_GRANTED = "g"; 1090 private static final String ATTR_USER_SET = "set"; 1091 private static final String ATTR_USER_FIXED = "fixed"; 1092 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1093 1094 // System/policy permission grants are not backed up 1095 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1096 FLAG_PERMISSION_POLICY_FIXED 1097 | FLAG_PERMISSION_SYSTEM_FIXED 1098 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1099 1100 // And we back up these user-adjusted states 1101 private static final int USER_RUNTIME_GRANT_MASK = 1102 FLAG_PERMISSION_USER_SET 1103 | FLAG_PERMISSION_USER_FIXED 1104 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1105 1106 final @Nullable String mRequiredVerifierPackage; 1107 final @NonNull String mRequiredInstallerPackage; 1108 final @Nullable String mSetupWizardPackage; 1109 final @NonNull String mServicesSystemSharedLibraryPackageName; 1110 final @NonNull String mSharedSystemSharedLibraryPackageName; 1111 1112 private final PackageUsage mPackageUsage = new PackageUsage(); 1113 1114 private class PackageUsage { 1115 private static final int WRITE_INTERVAL 1116 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1117 1118 private final Object mFileLock = new Object(); 1119 private final AtomicLong mLastWritten = new AtomicLong(0); 1120 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1121 1122 private boolean mIsHistoricalPackageUsageAvailable = true; 1123 1124 boolean isHistoricalPackageUsageAvailable() { 1125 return mIsHistoricalPackageUsageAvailable; 1126 } 1127 1128 void write(boolean force) { 1129 if (force) { 1130 writeInternal(); 1131 return; 1132 } 1133 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1134 && !DEBUG_DEXOPT) { 1135 return; 1136 } 1137 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1138 new Thread("PackageUsage_DiskWriter") { 1139 @Override 1140 public void run() { 1141 try { 1142 writeInternal(); 1143 } finally { 1144 mBackgroundWriteRunning.set(false); 1145 } 1146 } 1147 }.start(); 1148 } 1149 } 1150 1151 private void writeInternal() { 1152 synchronized (mPackages) { 1153 synchronized (mFileLock) { 1154 AtomicFile file = getFile(); 1155 FileOutputStream f = null; 1156 try { 1157 f = file.startWrite(); 1158 BufferedOutputStream out = new BufferedOutputStream(f); 1159 FileUtils.setPermissions(file.getBaseFile().getPath(), 1160 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1161 StringBuilder sb = new StringBuilder(); 1162 1163 sb.append(USAGE_FILE_MAGIC_VERSION_1); 1164 sb.append('\n'); 1165 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1166 1167 for (PackageParser.Package pkg : mPackages.values()) { 1168 if (pkg.getLatestPackageUseTimeInMills() == 0L) { 1169 continue; 1170 } 1171 sb.setLength(0); 1172 sb.append(pkg.packageName); 1173 for (long usageTimeInMillis : pkg.mLastPackageUsageTimeInMills) { 1174 sb.append(' '); 1175 sb.append(usageTimeInMillis); 1176 } 1177 sb.append('\n'); 1178 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1179 } 1180 out.flush(); 1181 file.finishWrite(f); 1182 } catch (IOException e) { 1183 if (f != null) { 1184 file.failWrite(f); 1185 } 1186 Log.e(TAG, "Failed to write package usage times", e); 1187 } 1188 } 1189 } 1190 mLastWritten.set(SystemClock.elapsedRealtime()); 1191 } 1192 1193 void readLP() { 1194 synchronized (mFileLock) { 1195 AtomicFile file = getFile(); 1196 BufferedInputStream in = null; 1197 try { 1198 in = new BufferedInputStream(file.openRead()); 1199 StringBuffer sb = new StringBuffer(); 1200 1201 String firstLine = readLine(in, sb); 1202 if (firstLine.equals(USAGE_FILE_MAGIC_VERSION_1)) { 1203 readVersion1LP(in, sb); 1204 } else { 1205 readVersion0LP(in, sb, firstLine); 1206 } 1207 } catch (FileNotFoundException expected) { 1208 mIsHistoricalPackageUsageAvailable = false; 1209 } catch (IOException e) { 1210 Log.w(TAG, "Failed to read package usage times", e); 1211 } finally { 1212 IoUtils.closeQuietly(in); 1213 } 1214 } 1215 mLastWritten.set(SystemClock.elapsedRealtime()); 1216 } 1217 1218 private void readVersion0LP(InputStream in, StringBuffer sb, String firstLine) 1219 throws IOException { 1220 // Initial version of the file had no version number and stored one 1221 // package-timestamp pair per line. 1222 // Note that the first line has already been read from the InputStream. 1223 for (String line = firstLine; line != null; line = readLine(in, sb)) { 1224 String[] tokens = line.split(" "); 1225 if (tokens.length != 2) { 1226 throw new IOException("Failed to parse " + line + 1227 " as package-timestamp pair."); 1228 } 1229 1230 String packageName = tokens[0]; 1231 PackageParser.Package pkg = mPackages.get(packageName); 1232 if (pkg == null) { 1233 continue; 1234 } 1235 1236 long timestamp = parseAsLong(tokens[1]); 1237 for (int reason = 0; 1238 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1239 reason++) { 1240 pkg.mLastPackageUsageTimeInMills[reason] = timestamp; 1241 } 1242 } 1243 } 1244 1245 private void readVersion1LP(InputStream in, StringBuffer sb) throws IOException { 1246 // Version 1 of the file started with the corresponding version 1247 // number and then stored a package name and eight timestamps per line. 1248 String line; 1249 while ((line = readLine(in, sb)) != null) { 1250 String[] tokens = line.split(" "); 1251 if (tokens.length != PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT + 1) { 1252 throw new IOException("Failed to parse " + line + " as a timestamp array."); 1253 } 1254 1255 String packageName = tokens[0]; 1256 PackageParser.Package pkg = mPackages.get(packageName); 1257 if (pkg == null) { 1258 continue; 1259 } 1260 1261 for (int reason = 0; 1262 reason < PackageManager.NOTIFY_PACKAGE_USE_REASONS_COUNT; 1263 reason++) { 1264 pkg.mLastPackageUsageTimeInMills[reason] = parseAsLong(tokens[reason + 1]); 1265 } 1266 } 1267 } 1268 1269 private long parseAsLong(String token) throws IOException { 1270 try { 1271 return Long.parseLong(token); 1272 } catch (NumberFormatException e) { 1273 throw new IOException("Failed to parse " + token + " as a long.", e); 1274 } 1275 } 1276 1277 private String readLine(InputStream in, StringBuffer sb) throws IOException { 1278 return readToken(in, sb, '\n'); 1279 } 1280 1281 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1282 throws IOException { 1283 sb.setLength(0); 1284 while (true) { 1285 int ch = in.read(); 1286 if (ch == -1) { 1287 if (sb.length() == 0) { 1288 return null; 1289 } 1290 throw new IOException("Unexpected EOF"); 1291 } 1292 if (ch == endOfToken) { 1293 return sb.toString(); 1294 } 1295 sb.append((char)ch); 1296 } 1297 } 1298 1299 private AtomicFile getFile() { 1300 File dataDir = Environment.getDataDirectory(); 1301 File systemDir = new File(dataDir, "system"); 1302 File fname = new File(systemDir, "package-usage.list"); 1303 return new AtomicFile(fname); 1304 } 1305 1306 private static final String USAGE_FILE_MAGIC = "PACKAGE_USAGE__VERSION_"; 1307 private static final String USAGE_FILE_MAGIC_VERSION_1 = USAGE_FILE_MAGIC + "1"; 1308 } 1309 1310 class PackageHandler extends Handler { 1311 private boolean mBound = false; 1312 final ArrayList<HandlerParams> mPendingInstalls = 1313 new ArrayList<HandlerParams>(); 1314 1315 private boolean connectToService() { 1316 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1317 " DefaultContainerService"); 1318 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1319 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1320 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1321 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1322 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1323 mBound = true; 1324 return true; 1325 } 1326 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1327 return false; 1328 } 1329 1330 private void disconnectService() { 1331 mContainerService = null; 1332 mBound = false; 1333 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1334 mContext.unbindService(mDefContainerConn); 1335 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1336 } 1337 1338 PackageHandler(Looper looper) { 1339 super(looper); 1340 } 1341 1342 public void handleMessage(Message msg) { 1343 try { 1344 doHandleMessage(msg); 1345 } finally { 1346 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1347 } 1348 } 1349 1350 void doHandleMessage(Message msg) { 1351 switch (msg.what) { 1352 case INIT_COPY: { 1353 HandlerParams params = (HandlerParams) msg.obj; 1354 int idx = mPendingInstalls.size(); 1355 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1356 // If a bind was already initiated we dont really 1357 // need to do anything. The pending install 1358 // will be processed later on. 1359 if (!mBound) { 1360 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1361 System.identityHashCode(mHandler)); 1362 // If this is the only one pending we might 1363 // have to bind to the service again. 1364 if (!connectToService()) { 1365 Slog.e(TAG, "Failed to bind to media container service"); 1366 params.serviceError(); 1367 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1368 System.identityHashCode(mHandler)); 1369 if (params.traceMethod != null) { 1370 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1371 params.traceCookie); 1372 } 1373 return; 1374 } else { 1375 // Once we bind to the service, the first 1376 // pending request will be processed. 1377 mPendingInstalls.add(idx, params); 1378 } 1379 } else { 1380 mPendingInstalls.add(idx, params); 1381 // Already bound to the service. Just make 1382 // sure we trigger off processing the first request. 1383 if (idx == 0) { 1384 mHandler.sendEmptyMessage(MCS_BOUND); 1385 } 1386 } 1387 break; 1388 } 1389 case MCS_BOUND: { 1390 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1391 if (msg.obj != null) { 1392 mContainerService = (IMediaContainerService) msg.obj; 1393 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1394 System.identityHashCode(mHandler)); 1395 } 1396 if (mContainerService == null) { 1397 if (!mBound) { 1398 // Something seriously wrong since we are not bound and we are not 1399 // waiting for connection. Bail out. 1400 Slog.e(TAG, "Cannot bind to media container service"); 1401 for (HandlerParams params : mPendingInstalls) { 1402 // Indicate service bind error 1403 params.serviceError(); 1404 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1405 System.identityHashCode(params)); 1406 if (params.traceMethod != null) { 1407 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1408 params.traceMethod, params.traceCookie); 1409 } 1410 return; 1411 } 1412 mPendingInstalls.clear(); 1413 } else { 1414 Slog.w(TAG, "Waiting to connect to media container service"); 1415 } 1416 } else if (mPendingInstalls.size() > 0) { 1417 HandlerParams params = mPendingInstalls.get(0); 1418 if (params != null) { 1419 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1420 System.identityHashCode(params)); 1421 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1422 if (params.startCopy()) { 1423 // We are done... look for more work or to 1424 // go idle. 1425 if (DEBUG_SD_INSTALL) Log.i(TAG, 1426 "Checking for more work or unbind..."); 1427 // Delete pending install 1428 if (mPendingInstalls.size() > 0) { 1429 mPendingInstalls.remove(0); 1430 } 1431 if (mPendingInstalls.size() == 0) { 1432 if (mBound) { 1433 if (DEBUG_SD_INSTALL) Log.i(TAG, 1434 "Posting delayed MCS_UNBIND"); 1435 removeMessages(MCS_UNBIND); 1436 Message ubmsg = obtainMessage(MCS_UNBIND); 1437 // Unbind after a little delay, to avoid 1438 // continual thrashing. 1439 sendMessageDelayed(ubmsg, 10000); 1440 } 1441 } else { 1442 // There are more pending requests in queue. 1443 // Just post MCS_BOUND message to trigger processing 1444 // of next pending install. 1445 if (DEBUG_SD_INSTALL) Log.i(TAG, 1446 "Posting MCS_BOUND for next work"); 1447 mHandler.sendEmptyMessage(MCS_BOUND); 1448 } 1449 } 1450 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1451 } 1452 } else { 1453 // Should never happen ideally. 1454 Slog.w(TAG, "Empty queue"); 1455 } 1456 break; 1457 } 1458 case MCS_RECONNECT: { 1459 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1460 if (mPendingInstalls.size() > 0) { 1461 if (mBound) { 1462 disconnectService(); 1463 } 1464 if (!connectToService()) { 1465 Slog.e(TAG, "Failed to bind to media container service"); 1466 for (HandlerParams params : mPendingInstalls) { 1467 // Indicate service bind error 1468 params.serviceError(); 1469 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1470 System.identityHashCode(params)); 1471 } 1472 mPendingInstalls.clear(); 1473 } 1474 } 1475 break; 1476 } 1477 case MCS_UNBIND: { 1478 // If there is no actual work left, then time to unbind. 1479 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1480 1481 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1482 if (mBound) { 1483 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1484 1485 disconnectService(); 1486 } 1487 } else if (mPendingInstalls.size() > 0) { 1488 // There are more pending requests in queue. 1489 // Just post MCS_BOUND message to trigger processing 1490 // of next pending install. 1491 mHandler.sendEmptyMessage(MCS_BOUND); 1492 } 1493 1494 break; 1495 } 1496 case MCS_GIVE_UP: { 1497 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1498 HandlerParams params = mPendingInstalls.remove(0); 1499 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1500 System.identityHashCode(params)); 1501 break; 1502 } 1503 case SEND_PENDING_BROADCAST: { 1504 String packages[]; 1505 ArrayList<String> components[]; 1506 int size = 0; 1507 int uids[]; 1508 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1509 synchronized (mPackages) { 1510 if (mPendingBroadcasts == null) { 1511 return; 1512 } 1513 size = mPendingBroadcasts.size(); 1514 if (size <= 0) { 1515 // Nothing to be done. Just return 1516 return; 1517 } 1518 packages = new String[size]; 1519 components = new ArrayList[size]; 1520 uids = new int[size]; 1521 int i = 0; // filling out the above arrays 1522 1523 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1524 int packageUserId = mPendingBroadcasts.userIdAt(n); 1525 Iterator<Map.Entry<String, ArrayList<String>>> it 1526 = mPendingBroadcasts.packagesForUserId(packageUserId) 1527 .entrySet().iterator(); 1528 while (it.hasNext() && i < size) { 1529 Map.Entry<String, ArrayList<String>> ent = it.next(); 1530 packages[i] = ent.getKey(); 1531 components[i] = ent.getValue(); 1532 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1533 uids[i] = (ps != null) 1534 ? UserHandle.getUid(packageUserId, ps.appId) 1535 : -1; 1536 i++; 1537 } 1538 } 1539 size = i; 1540 mPendingBroadcasts.clear(); 1541 } 1542 // Send broadcasts 1543 for (int i = 0; i < size; i++) { 1544 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1545 } 1546 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1547 break; 1548 } 1549 case START_CLEANING_PACKAGE: { 1550 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1551 final String packageName = (String)msg.obj; 1552 final int userId = msg.arg1; 1553 final boolean andCode = msg.arg2 != 0; 1554 synchronized (mPackages) { 1555 if (userId == UserHandle.USER_ALL) { 1556 int[] users = sUserManager.getUserIds(); 1557 for (int user : users) { 1558 mSettings.addPackageToCleanLPw( 1559 new PackageCleanItem(user, packageName, andCode)); 1560 } 1561 } else { 1562 mSettings.addPackageToCleanLPw( 1563 new PackageCleanItem(userId, packageName, andCode)); 1564 } 1565 } 1566 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1567 startCleaningPackages(); 1568 } break; 1569 case POST_INSTALL: { 1570 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1571 1572 PostInstallData data = mRunningInstalls.get(msg.arg1); 1573 mRunningInstalls.delete(msg.arg1); 1574 1575 if (data != null) { 1576 InstallArgs args = data.args; 1577 PackageInstalledInfo parentRes = data.res; 1578 1579 final boolean grantPermissions = (args.installFlags 1580 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1581 final boolean killApp = (args.installFlags 1582 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1583 final String[] grantedPermissions = args.installGrantPermissions; 1584 1585 // Handle the parent package 1586 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1587 grantedPermissions, args.observer); 1588 1589 // Handle the child packages 1590 final int childCount = (parentRes.addedChildPackages != null) 1591 ? parentRes.addedChildPackages.size() : 0; 1592 for (int i = 0; i < childCount; i++) { 1593 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1594 handlePackagePostInstall(childRes, grantPermissions, killApp, 1595 grantedPermissions, args.observer); 1596 } 1597 1598 // Log tracing if needed 1599 if (args.traceMethod != null) { 1600 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1601 args.traceCookie); 1602 } 1603 } else { 1604 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1605 } 1606 1607 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1608 } break; 1609 case UPDATED_MEDIA_STATUS: { 1610 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1611 boolean reportStatus = msg.arg1 == 1; 1612 boolean doGc = msg.arg2 == 1; 1613 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1614 if (doGc) { 1615 // Force a gc to clear up stale containers. 1616 Runtime.getRuntime().gc(); 1617 } 1618 if (msg.obj != null) { 1619 @SuppressWarnings("unchecked") 1620 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1621 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1622 // Unload containers 1623 unloadAllContainers(args); 1624 } 1625 if (reportStatus) { 1626 try { 1627 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1628 PackageHelper.getMountService().finishMediaUpdate(); 1629 } catch (RemoteException e) { 1630 Log.e(TAG, "MountService not running?"); 1631 } 1632 } 1633 } break; 1634 case WRITE_SETTINGS: { 1635 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1636 synchronized (mPackages) { 1637 removeMessages(WRITE_SETTINGS); 1638 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1639 mSettings.writeLPr(); 1640 mDirtyUsers.clear(); 1641 } 1642 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1643 } break; 1644 case WRITE_PACKAGE_RESTRICTIONS: { 1645 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1646 synchronized (mPackages) { 1647 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1648 for (int userId : mDirtyUsers) { 1649 mSettings.writePackageRestrictionsLPr(userId); 1650 } 1651 mDirtyUsers.clear(); 1652 } 1653 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1654 } break; 1655 case CHECK_PENDING_VERIFICATION: { 1656 final int verificationId = msg.arg1; 1657 final PackageVerificationState state = mPendingVerification.get(verificationId); 1658 1659 if ((state != null) && !state.timeoutExtended()) { 1660 final InstallArgs args = state.getInstallArgs(); 1661 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1662 1663 Slog.i(TAG, "Verification timed out for " + originUri); 1664 mPendingVerification.remove(verificationId); 1665 1666 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1667 1668 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1669 Slog.i(TAG, "Continuing with installation of " + originUri); 1670 state.setVerifierResponse(Binder.getCallingUid(), 1671 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1672 broadcastPackageVerified(verificationId, originUri, 1673 PackageManager.VERIFICATION_ALLOW, 1674 state.getInstallArgs().getUser()); 1675 try { 1676 ret = args.copyApk(mContainerService, true); 1677 } catch (RemoteException e) { 1678 Slog.e(TAG, "Could not contact the ContainerService"); 1679 } 1680 } else { 1681 broadcastPackageVerified(verificationId, originUri, 1682 PackageManager.VERIFICATION_REJECT, 1683 state.getInstallArgs().getUser()); 1684 } 1685 1686 Trace.asyncTraceEnd( 1687 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1688 1689 processPendingInstall(args, ret); 1690 mHandler.sendEmptyMessage(MCS_UNBIND); 1691 } 1692 break; 1693 } 1694 case PACKAGE_VERIFIED: { 1695 final int verificationId = msg.arg1; 1696 1697 final PackageVerificationState state = mPendingVerification.get(verificationId); 1698 if (state == null) { 1699 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1700 break; 1701 } 1702 1703 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1704 1705 state.setVerifierResponse(response.callerUid, response.code); 1706 1707 if (state.isVerificationComplete()) { 1708 mPendingVerification.remove(verificationId); 1709 1710 final InstallArgs args = state.getInstallArgs(); 1711 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1712 1713 int ret; 1714 if (state.isInstallAllowed()) { 1715 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1716 broadcastPackageVerified(verificationId, originUri, 1717 response.code, state.getInstallArgs().getUser()); 1718 try { 1719 ret = args.copyApk(mContainerService, true); 1720 } catch (RemoteException e) { 1721 Slog.e(TAG, "Could not contact the ContainerService"); 1722 } 1723 } else { 1724 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1725 } 1726 1727 Trace.asyncTraceEnd( 1728 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1729 1730 processPendingInstall(args, ret); 1731 mHandler.sendEmptyMessage(MCS_UNBIND); 1732 } 1733 1734 break; 1735 } 1736 case START_INTENT_FILTER_VERIFICATIONS: { 1737 IFVerificationParams params = (IFVerificationParams) msg.obj; 1738 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1739 params.replacing, params.pkg); 1740 break; 1741 } 1742 case INTENT_FILTER_VERIFIED: { 1743 final int verificationId = msg.arg1; 1744 1745 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1746 verificationId); 1747 if (state == null) { 1748 Slog.w(TAG, "Invalid IntentFilter verification token " 1749 + verificationId + " received"); 1750 break; 1751 } 1752 1753 final int userId = state.getUserId(); 1754 1755 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1756 "Processing IntentFilter verification with token:" 1757 + verificationId + " and userId:" + userId); 1758 1759 final IntentFilterVerificationResponse response = 1760 (IntentFilterVerificationResponse) msg.obj; 1761 1762 state.setVerifierResponse(response.callerUid, response.code); 1763 1764 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1765 "IntentFilter verification with token:" + verificationId 1766 + " and userId:" + userId 1767 + " is settings verifier response with response code:" 1768 + response.code); 1769 1770 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1771 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1772 + response.getFailedDomainsString()); 1773 } 1774 1775 if (state.isVerificationComplete()) { 1776 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1777 } else { 1778 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1779 "IntentFilter verification with token:" + verificationId 1780 + " was not said to be complete"); 1781 } 1782 1783 break; 1784 } 1785 } 1786 } 1787 } 1788 1789 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1790 boolean killApp, String[] grantedPermissions, 1791 IPackageInstallObserver2 installObserver) { 1792 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1793 // Send the removed broadcasts 1794 if (res.removedInfo != null) { 1795 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1796 } 1797 1798 // Now that we successfully installed the package, grant runtime 1799 // permissions if requested before broadcasting the install. 1800 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1801 >= Build.VERSION_CODES.M) { 1802 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1803 } 1804 1805 final boolean update = res.removedInfo != null 1806 && res.removedInfo.removedPackage != null; 1807 1808 // If this is the first time we have child packages for a disabled privileged 1809 // app that had no children, we grant requested runtime permissions to the new 1810 // children if the parent on the system image had them already granted. 1811 if (res.pkg.parentPackage != null) { 1812 synchronized (mPackages) { 1813 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1814 } 1815 } 1816 1817 synchronized (mPackages) { 1818 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1819 } 1820 1821 final String packageName = res.pkg.applicationInfo.packageName; 1822 Bundle extras = new Bundle(1); 1823 extras.putInt(Intent.EXTRA_UID, res.uid); 1824 1825 // Determine the set of users who are adding this package for 1826 // the first time vs. those who are seeing an update. 1827 int[] firstUsers = EMPTY_INT_ARRAY; 1828 int[] updateUsers = EMPTY_INT_ARRAY; 1829 if (res.origUsers == null || res.origUsers.length == 0) { 1830 firstUsers = res.newUsers; 1831 } else { 1832 for (int newUser : res.newUsers) { 1833 boolean isNew = true; 1834 for (int origUser : res.origUsers) { 1835 if (origUser == newUser) { 1836 isNew = false; 1837 break; 1838 } 1839 } 1840 if (isNew) { 1841 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1842 } else { 1843 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1844 } 1845 } 1846 } 1847 1848 // Send installed broadcasts if the install/update is not ephemeral 1849 if (!isEphemeral(res.pkg)) { 1850 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1851 1852 // Send added for users that see the package for the first time 1853 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1854 extras, 0 /*flags*/, null /*targetPackage*/, 1855 null /*finishedReceiver*/, firstUsers); 1856 1857 // Send added for users that don't see the package for the first time 1858 if (update) { 1859 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1860 } 1861 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1862 extras, 0 /*flags*/, null /*targetPackage*/, 1863 null /*finishedReceiver*/, updateUsers); 1864 1865 // Send replaced for users that don't see the package for the first time 1866 if (update) { 1867 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1868 packageName, extras, 0 /*flags*/, 1869 null /*targetPackage*/, null /*finishedReceiver*/, 1870 updateUsers); 1871 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1872 null /*package*/, null /*extras*/, 0 /*flags*/, 1873 packageName /*targetPackage*/, 1874 null /*finishedReceiver*/, updateUsers); 1875 } 1876 1877 // Send broadcast package appeared if forward locked/external for all users 1878 // treat asec-hosted packages like removable media on upgrade 1879 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1880 if (DEBUG_INSTALL) { 1881 Slog.i(TAG, "upgrading pkg " + res.pkg 1882 + " is ASEC-hosted -> AVAILABLE"); 1883 } 1884 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1885 ArrayList<String> pkgList = new ArrayList<>(1); 1886 pkgList.add(packageName); 1887 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1888 } 1889 } 1890 1891 // Work that needs to happen on first install within each user 1892 if (firstUsers != null && firstUsers.length > 0) { 1893 synchronized (mPackages) { 1894 for (int userId : firstUsers) { 1895 // If this app is a browser and it's newly-installed for some 1896 // users, clear any default-browser state in those users. The 1897 // app's nature doesn't depend on the user, so we can just check 1898 // its browser nature in any user and generalize. 1899 if (packageIsBrowser(packageName, userId)) { 1900 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1901 } 1902 1903 // We may also need to apply pending (restored) runtime 1904 // permission grants within these users. 1905 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1906 } 1907 } 1908 } 1909 1910 // Log current value of "unknown sources" setting 1911 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1912 getUnknownSourcesSettings()); 1913 1914 // Force a gc to clear up things 1915 Runtime.getRuntime().gc(); 1916 1917 // Remove the replaced package's older resources safely now 1918 // We delete after a gc for applications on sdcard. 1919 if (res.removedInfo != null && res.removedInfo.args != null) { 1920 synchronized (mInstallLock) { 1921 res.removedInfo.args.doPostDeleteLI(true); 1922 } 1923 } 1924 } 1925 1926 // If someone is watching installs - notify them 1927 if (installObserver != null) { 1928 try { 1929 Bundle extras = extrasForInstallResult(res); 1930 installObserver.onPackageInstalled(res.name, res.returnCode, 1931 res.returnMsg, extras); 1932 } catch (RemoteException e) { 1933 Slog.i(TAG, "Observer no longer exists."); 1934 } 1935 } 1936 } 1937 1938 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1939 PackageParser.Package pkg) { 1940 if (pkg.parentPackage == null) { 1941 return; 1942 } 1943 if (pkg.requestedPermissions == null) { 1944 return; 1945 } 1946 final PackageSetting disabledSysParentPs = mSettings 1947 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1948 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1949 || !disabledSysParentPs.isPrivileged() 1950 || (disabledSysParentPs.childPackageNames != null 1951 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1952 return; 1953 } 1954 final int[] allUserIds = sUserManager.getUserIds(); 1955 final int permCount = pkg.requestedPermissions.size(); 1956 for (int i = 0; i < permCount; i++) { 1957 String permission = pkg.requestedPermissions.get(i); 1958 BasePermission bp = mSettings.mPermissions.get(permission); 1959 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1960 continue; 1961 } 1962 for (int userId : allUserIds) { 1963 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1964 permission, userId)) { 1965 grantRuntimePermission(pkg.packageName, permission, userId); 1966 } 1967 } 1968 } 1969 } 1970 1971 private StorageEventListener mStorageListener = new StorageEventListener() { 1972 @Override 1973 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1974 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1975 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1976 final String volumeUuid = vol.getFsUuid(); 1977 1978 // Clean up any users or apps that were removed or recreated 1979 // while this volume was missing 1980 reconcileUsers(volumeUuid); 1981 reconcileApps(volumeUuid); 1982 1983 // Clean up any install sessions that expired or were 1984 // cancelled while this volume was missing 1985 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1986 1987 loadPrivatePackages(vol); 1988 1989 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1990 unloadPrivatePackages(vol); 1991 } 1992 } 1993 1994 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1995 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1996 updateExternalMediaStatus(true, false); 1997 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1998 updateExternalMediaStatus(false, false); 1999 } 2000 } 2001 } 2002 2003 @Override 2004 public void onVolumeForgotten(String fsUuid) { 2005 if (TextUtils.isEmpty(fsUuid)) { 2006 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2007 return; 2008 } 2009 2010 // Remove any apps installed on the forgotten volume 2011 synchronized (mPackages) { 2012 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2013 for (PackageSetting ps : packages) { 2014 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2015 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 2016 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2017 } 2018 2019 mSettings.onVolumeForgotten(fsUuid); 2020 mSettings.writeLPr(); 2021 } 2022 } 2023 }; 2024 2025 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2026 String[] grantedPermissions) { 2027 for (int userId : userIds) { 2028 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2029 } 2030 2031 // We could have touched GID membership, so flush out packages.list 2032 synchronized (mPackages) { 2033 mSettings.writePackageListLPr(); 2034 } 2035 } 2036 2037 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2038 String[] grantedPermissions) { 2039 SettingBase sb = (SettingBase) pkg.mExtras; 2040 if (sb == null) { 2041 return; 2042 } 2043 2044 PermissionsState permissionsState = sb.getPermissionsState(); 2045 2046 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2047 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2048 2049 for (String permission : pkg.requestedPermissions) { 2050 final BasePermission bp; 2051 synchronized (mPackages) { 2052 bp = mSettings.mPermissions.get(permission); 2053 } 2054 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2055 && (grantedPermissions == null 2056 || ArrayUtils.contains(grantedPermissions, permission))) { 2057 final int flags = permissionsState.getPermissionFlags(permission, userId); 2058 // Installer cannot change immutable permissions. 2059 if ((flags & immutableFlags) == 0) { 2060 grantRuntimePermission(pkg.packageName, permission, userId); 2061 } 2062 } 2063 } 2064 } 2065 2066 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2067 Bundle extras = null; 2068 switch (res.returnCode) { 2069 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2070 extras = new Bundle(); 2071 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2072 res.origPermission); 2073 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2074 res.origPackage); 2075 break; 2076 } 2077 case PackageManager.INSTALL_SUCCEEDED: { 2078 extras = new Bundle(); 2079 extras.putBoolean(Intent.EXTRA_REPLACING, 2080 res.removedInfo != null && res.removedInfo.removedPackage != null); 2081 break; 2082 } 2083 } 2084 return extras; 2085 } 2086 2087 void scheduleWriteSettingsLocked() { 2088 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2089 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2090 } 2091 } 2092 2093 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2094 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2095 scheduleWritePackageRestrictionsLocked(userId); 2096 } 2097 2098 void scheduleWritePackageRestrictionsLocked(int userId) { 2099 final int[] userIds = (userId == UserHandle.USER_ALL) 2100 ? sUserManager.getUserIds() : new int[]{userId}; 2101 for (int nextUserId : userIds) { 2102 if (!sUserManager.exists(nextUserId)) return; 2103 mDirtyUsers.add(nextUserId); 2104 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2105 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2106 } 2107 } 2108 } 2109 2110 public static PackageManagerService main(Context context, Installer installer, 2111 boolean factoryTest, boolean onlyCore) { 2112 // Self-check for initial settings. 2113 PackageManagerServiceCompilerMapping.checkProperties(); 2114 2115 PackageManagerService m = new PackageManagerService(context, installer, 2116 factoryTest, onlyCore); 2117 m.enableSystemUserPackages(); 2118 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 2119 // disabled after already being started. 2120 CarrierAppUtils.disableCarrierAppsUntilPrivileged(context.getOpPackageName(), m, 2121 UserHandle.USER_SYSTEM); 2122 ServiceManager.addService("package", m); 2123 return m; 2124 } 2125 2126 private void enableSystemUserPackages() { 2127 if (!UserManager.isSplitSystemUser()) { 2128 return; 2129 } 2130 // For system user, enable apps based on the following conditions: 2131 // - app is whitelisted or belong to one of these groups: 2132 // -- system app which has no launcher icons 2133 // -- system app which has INTERACT_ACROSS_USERS permission 2134 // -- system IME app 2135 // - app is not in the blacklist 2136 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2137 Set<String> enableApps = new ArraySet<>(); 2138 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2139 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2140 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2141 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2142 enableApps.addAll(wlApps); 2143 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2144 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2145 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2146 enableApps.removeAll(blApps); 2147 Log.i(TAG, "Applications installed for system user: " + enableApps); 2148 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2149 UserHandle.SYSTEM); 2150 final int allAppsSize = allAps.size(); 2151 synchronized (mPackages) { 2152 for (int i = 0; i < allAppsSize; i++) { 2153 String pName = allAps.get(i); 2154 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2155 // Should not happen, but we shouldn't be failing if it does 2156 if (pkgSetting == null) { 2157 continue; 2158 } 2159 boolean install = enableApps.contains(pName); 2160 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2161 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2162 + " for system user"); 2163 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2164 } 2165 } 2166 } 2167 } 2168 2169 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2170 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2171 Context.DISPLAY_SERVICE); 2172 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2173 } 2174 2175 public PackageManagerService(Context context, Installer installer, 2176 boolean factoryTest, boolean onlyCore) { 2177 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2178 SystemClock.uptimeMillis()); 2179 2180 if (mSdkVersion <= 0) { 2181 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2182 } 2183 2184 mContext = context; 2185 mFactoryTest = factoryTest; 2186 mOnlyCore = onlyCore; 2187 mMetrics = new DisplayMetrics(); 2188 mSettings = new Settings(mPackages); 2189 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2190 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2191 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2192 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2193 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2194 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2195 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2196 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2197 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2198 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2199 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2200 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2201 2202 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2203 if (separateProcesses != null && separateProcesses.length() > 0) { 2204 if ("*".equals(separateProcesses)) { 2205 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2206 mSeparateProcesses = null; 2207 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2208 } else { 2209 mDefParseFlags = 0; 2210 mSeparateProcesses = separateProcesses.split(","); 2211 Slog.w(TAG, "Running with debug.separate_processes: " 2212 + separateProcesses); 2213 } 2214 } else { 2215 mDefParseFlags = 0; 2216 mSeparateProcesses = null; 2217 } 2218 2219 mInstaller = installer; 2220 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2221 "*dexopt*"); 2222 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2223 2224 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2225 FgThread.get().getLooper()); 2226 2227 getDefaultDisplayMetrics(context, mMetrics); 2228 2229 SystemConfig systemConfig = SystemConfig.getInstance(); 2230 mGlobalGids = systemConfig.getGlobalGids(); 2231 mSystemPermissions = systemConfig.getSystemPermissions(); 2232 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2233 2234 synchronized (mInstallLock) { 2235 // writer 2236 synchronized (mPackages) { 2237 mHandlerThread = new ServiceThread(TAG, 2238 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2239 mHandlerThread.start(); 2240 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2241 mProcessLoggingHandler = new ProcessLoggingHandler(); 2242 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2243 2244 File dataDir = Environment.getDataDirectory(); 2245 mAppInstallDir = new File(dataDir, "app"); 2246 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2247 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2248 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2249 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2250 2251 sUserManager = new UserManagerService(context, this, mPackages); 2252 2253 // Propagate permission configuration in to package manager. 2254 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2255 = systemConfig.getPermissions(); 2256 for (int i=0; i<permConfig.size(); i++) { 2257 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2258 BasePermission bp = mSettings.mPermissions.get(perm.name); 2259 if (bp == null) { 2260 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2261 mSettings.mPermissions.put(perm.name, bp); 2262 } 2263 if (perm.gids != null) { 2264 bp.setGids(perm.gids, perm.perUser); 2265 } 2266 } 2267 2268 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2269 for (int i=0; i<libConfig.size(); i++) { 2270 mSharedLibraries.put(libConfig.keyAt(i), 2271 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2272 } 2273 2274 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2275 2276 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2277 2278 String customResolverActivity = Resources.getSystem().getString( 2279 R.string.config_customResolverActivity); 2280 if (TextUtils.isEmpty(customResolverActivity)) { 2281 customResolverActivity = null; 2282 } else { 2283 mCustomResolverComponentName = ComponentName.unflattenFromString( 2284 customResolverActivity); 2285 } 2286 2287 long startTime = SystemClock.uptimeMillis(); 2288 2289 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2290 startTime); 2291 2292 // Set flag to monitor and not change apk file paths when 2293 // scanning install directories. 2294 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2295 2296 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2297 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2298 2299 if (bootClassPath == null) { 2300 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2301 } 2302 2303 if (systemServerClassPath == null) { 2304 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2305 } 2306 2307 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2308 final String[] dexCodeInstructionSets = 2309 getDexCodeInstructionSets( 2310 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2311 2312 /** 2313 * Ensure all external libraries have had dexopt run on them. 2314 */ 2315 if (mSharedLibraries.size() > 0) { 2316 // NOTE: For now, we're compiling these system "shared libraries" 2317 // (and framework jars) into all available architectures. It's possible 2318 // to compile them only when we come across an app that uses them (there's 2319 // already logic for that in scanPackageLI) but that adds some complexity. 2320 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2321 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2322 final String lib = libEntry.path; 2323 if (lib == null) { 2324 continue; 2325 } 2326 2327 try { 2328 // Shared libraries do not have profiles so we perform a full 2329 // AOT compilation (if needed). 2330 int dexoptNeeded = DexFile.getDexOptNeeded( 2331 lib, dexCodeInstructionSet, 2332 getCompilerFilterForReason(REASON_SHARED_APK), 2333 false /* newProfile */); 2334 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2335 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2336 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2337 getCompilerFilterForReason(REASON_SHARED_APK), 2338 StorageManager.UUID_PRIVATE_INTERNAL, 2339 SPECIAL_SHARED_LIBRARY); 2340 } 2341 } catch (FileNotFoundException e) { 2342 Slog.w(TAG, "Library not found: " + lib); 2343 } catch (IOException | InstallerException e) { 2344 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2345 + e.getMessage()); 2346 } 2347 } 2348 } 2349 } 2350 2351 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2352 2353 final VersionInfo ver = mSettings.getInternalVersion(); 2354 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2355 2356 // when upgrading from pre-M, promote system app permissions from install to runtime 2357 mPromoteSystemApps = 2358 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2359 2360 // save off the names of pre-existing system packages prior to scanning; we don't 2361 // want to automatically grant runtime permissions for new system apps 2362 if (mPromoteSystemApps) { 2363 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2364 while (pkgSettingIter.hasNext()) { 2365 PackageSetting ps = pkgSettingIter.next(); 2366 if (isSystemApp(ps)) { 2367 mExistingSystemPackages.add(ps.name); 2368 } 2369 } 2370 } 2371 2372 // When upgrading from pre-N, we need to handle package extraction like first boot, 2373 // as there is no profiling data available. 2374 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2375 mSettings.setNWorkDone(); 2376 2377 // Collect vendor overlay packages. 2378 // (Do this before scanning any apps.) 2379 // For security and version matching reason, only consider 2380 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2381 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2382 scanDirTracedLI(vendorOverlayDir, mDefParseFlags 2383 | PackageParser.PARSE_IS_SYSTEM 2384 | PackageParser.PARSE_IS_SYSTEM_DIR 2385 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2386 2387 // Find base frameworks (resource packages without code). 2388 scanDirTracedLI(frameworkDir, mDefParseFlags 2389 | PackageParser.PARSE_IS_SYSTEM 2390 | PackageParser.PARSE_IS_SYSTEM_DIR 2391 | PackageParser.PARSE_IS_PRIVILEGED, 2392 scanFlags | SCAN_NO_DEX, 0); 2393 2394 // Collected privileged system packages. 2395 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2396 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2397 | PackageParser.PARSE_IS_SYSTEM 2398 | PackageParser.PARSE_IS_SYSTEM_DIR 2399 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2400 2401 // Collect ordinary system packages. 2402 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2403 scanDirTracedLI(systemAppDir, mDefParseFlags 2404 | PackageParser.PARSE_IS_SYSTEM 2405 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2406 2407 // Collect all vendor packages. 2408 File vendorAppDir = new File("/vendor/app"); 2409 try { 2410 vendorAppDir = vendorAppDir.getCanonicalFile(); 2411 } catch (IOException e) { 2412 // failed to look up canonical path, continue with original one 2413 } 2414 scanDirTracedLI(vendorAppDir, mDefParseFlags 2415 | PackageParser.PARSE_IS_SYSTEM 2416 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2417 2418 // Collect all OEM packages. 2419 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2420 scanDirTracedLI(oemAppDir, mDefParseFlags 2421 | PackageParser.PARSE_IS_SYSTEM 2422 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2423 2424 // Prune any system packages that no longer exist. 2425 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2426 if (!mOnlyCore) { 2427 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2428 while (psit.hasNext()) { 2429 PackageSetting ps = psit.next(); 2430 2431 /* 2432 * If this is not a system app, it can't be a 2433 * disable system app. 2434 */ 2435 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2436 continue; 2437 } 2438 2439 /* 2440 * If the package is scanned, it's not erased. 2441 */ 2442 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2443 if (scannedPkg != null) { 2444 /* 2445 * If the system app is both scanned and in the 2446 * disabled packages list, then it must have been 2447 * added via OTA. Remove it from the currently 2448 * scanned package so the previously user-installed 2449 * application can be scanned. 2450 */ 2451 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2452 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2453 + ps.name + "; removing system app. Last known codePath=" 2454 + ps.codePathString + ", installStatus=" + ps.installStatus 2455 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2456 + scannedPkg.mVersionCode); 2457 removePackageLI(scannedPkg, true); 2458 mExpectingBetter.put(ps.name, ps.codePath); 2459 } 2460 2461 continue; 2462 } 2463 2464 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2465 psit.remove(); 2466 logCriticalInfo(Log.WARN, "System package " + ps.name 2467 + " no longer exists; it's data will be wiped"); 2468 // Actual deletion of code and data will be handled by later 2469 // reconciliation step 2470 } else { 2471 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2472 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2473 possiblyDeletedUpdatedSystemApps.add(ps.name); 2474 } 2475 } 2476 } 2477 } 2478 2479 //look for any incomplete package installations 2480 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2481 for (int i = 0; i < deletePkgsList.size(); i++) { 2482 // Actual deletion of code and data will be handled by later 2483 // reconciliation step 2484 final String packageName = deletePkgsList.get(i).name; 2485 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2486 synchronized (mPackages) { 2487 mSettings.removePackageLPw(packageName); 2488 } 2489 } 2490 2491 //delete tmp files 2492 deleteTempPackageFiles(); 2493 2494 // Remove any shared userIDs that have no associated packages 2495 mSettings.pruneSharedUsersLPw(); 2496 2497 if (!mOnlyCore) { 2498 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2499 SystemClock.uptimeMillis()); 2500 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2501 2502 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2503 | PackageParser.PARSE_FORWARD_LOCK, 2504 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2505 2506 scanDirLI(mEphemeralInstallDir, mDefParseFlags 2507 | PackageParser.PARSE_IS_EPHEMERAL, 2508 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2509 2510 /** 2511 * Remove disable package settings for any updated system 2512 * apps that were removed via an OTA. If they're not a 2513 * previously-updated app, remove them completely. 2514 * Otherwise, just revoke their system-level permissions. 2515 */ 2516 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2517 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2518 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2519 2520 String msg; 2521 if (deletedPkg == null) { 2522 msg = "Updated system package " + deletedAppName 2523 + " no longer exists; it's data will be wiped"; 2524 // Actual deletion of code and data will be handled by later 2525 // reconciliation step 2526 } else { 2527 msg = "Updated system app + " + deletedAppName 2528 + " no longer present; removing system privileges for " 2529 + deletedAppName; 2530 2531 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2532 2533 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2534 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2535 } 2536 logCriticalInfo(Log.WARN, msg); 2537 } 2538 2539 /** 2540 * Make sure all system apps that we expected to appear on 2541 * the userdata partition actually showed up. If they never 2542 * appeared, crawl back and revive the system version. 2543 */ 2544 for (int i = 0; i < mExpectingBetter.size(); i++) { 2545 final String packageName = mExpectingBetter.keyAt(i); 2546 if (!mPackages.containsKey(packageName)) { 2547 final File scanFile = mExpectingBetter.valueAt(i); 2548 2549 logCriticalInfo(Log.WARN, "Expected better " + packageName 2550 + " but never showed up; reverting to system"); 2551 2552 int reparseFlags = mDefParseFlags; 2553 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2554 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2555 | PackageParser.PARSE_IS_SYSTEM_DIR 2556 | PackageParser.PARSE_IS_PRIVILEGED; 2557 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2558 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2559 | PackageParser.PARSE_IS_SYSTEM_DIR; 2560 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2561 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2562 | PackageParser.PARSE_IS_SYSTEM_DIR; 2563 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2564 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2565 | PackageParser.PARSE_IS_SYSTEM_DIR; 2566 } else { 2567 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2568 continue; 2569 } 2570 2571 mSettings.enableSystemPackageLPw(packageName); 2572 2573 try { 2574 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2575 } catch (PackageManagerException e) { 2576 Slog.e(TAG, "Failed to parse original system package: " 2577 + e.getMessage()); 2578 } 2579 } 2580 } 2581 } 2582 mExpectingBetter.clear(); 2583 2584 // Resolve protected action filters. Only the setup wizard is allowed to 2585 // have a high priority filter for these actions. 2586 mSetupWizardPackage = getSetupWizardPackageName(); 2587 if (mProtectedFilters.size() > 0) { 2588 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2589 Slog.i(TAG, "No setup wizard;" 2590 + " All protected intents capped to priority 0"); 2591 } 2592 for (ActivityIntentInfo filter : mProtectedFilters) { 2593 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2594 if (DEBUG_FILTERS) { 2595 Slog.i(TAG, "Found setup wizard;" 2596 + " allow priority " + filter.getPriority() + ";" 2597 + " package: " + filter.activity.info.packageName 2598 + " activity: " + filter.activity.className 2599 + " priority: " + filter.getPriority()); 2600 } 2601 // skip setup wizard; allow it to keep the high priority filter 2602 continue; 2603 } 2604 Slog.w(TAG, "Protected action; cap priority to 0;" 2605 + " package: " + filter.activity.info.packageName 2606 + " activity: " + filter.activity.className 2607 + " origPrio: " + filter.getPriority()); 2608 filter.setPriority(0); 2609 } 2610 } 2611 mDeferProtectedFilters = false; 2612 mProtectedFilters.clear(); 2613 2614 // Now that we know all of the shared libraries, update all clients to have 2615 // the correct library paths. 2616 updateAllSharedLibrariesLPw(); 2617 2618 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2619 // NOTE: We ignore potential failures here during a system scan (like 2620 // the rest of the commands above) because there's precious little we 2621 // can do about it. A settings error is reported, though. 2622 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2623 false /* boot complete */); 2624 } 2625 2626 // Now that we know all the packages we are keeping, 2627 // read and update their last usage times. 2628 mPackageUsage.readLP(); 2629 2630 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2631 SystemClock.uptimeMillis()); 2632 Slog.i(TAG, "Time to scan packages: " 2633 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2634 + " seconds"); 2635 2636 // If the platform SDK has changed since the last time we booted, 2637 // we need to re-grant app permission to catch any new ones that 2638 // appear. This is really a hack, and means that apps can in some 2639 // cases get permissions that the user didn't initially explicitly 2640 // allow... it would be nice to have some better way to handle 2641 // this situation. 2642 int updateFlags = UPDATE_PERMISSIONS_ALL; 2643 if (ver.sdkVersion != mSdkVersion) { 2644 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2645 + mSdkVersion + "; regranting permissions for internal storage"); 2646 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2647 } 2648 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2649 ver.sdkVersion = mSdkVersion; 2650 2651 // If this is the first boot or an update from pre-M, and it is a normal 2652 // boot, then we need to initialize the default preferred apps across 2653 // all defined users. 2654 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2655 for (UserInfo user : sUserManager.getUsers(true)) { 2656 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2657 applyFactoryDefaultBrowserLPw(user.id); 2658 primeDomainVerificationsLPw(user.id); 2659 } 2660 } 2661 2662 // Prepare storage for system user really early during boot, 2663 // since core system apps like SettingsProvider and SystemUI 2664 // can't wait for user to start 2665 final int storageFlags; 2666 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2667 storageFlags = StorageManager.FLAG_STORAGE_DE; 2668 } else { 2669 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2670 } 2671 reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2672 storageFlags); 2673 2674 // If this is first boot after an OTA, and a normal boot, then 2675 // we need to clear code cache directories. 2676 if (mIsUpgrade && !onlyCore) { 2677 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2678 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2679 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2680 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2681 // No apps are running this early, so no need to freeze 2682 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2683 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2684 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2685 } 2686 clearAppProfilesLIF(ps.pkg); 2687 } 2688 ver.fingerprint = Build.FINGERPRINT; 2689 } 2690 2691 checkDefaultBrowser(); 2692 2693 // clear only after permissions and other defaults have been updated 2694 mExistingSystemPackages.clear(); 2695 mPromoteSystemApps = false; 2696 2697 // All the changes are done during package scanning. 2698 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2699 2700 // can downgrade to reader 2701 mSettings.writeLPr(); 2702 2703 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2704 SystemClock.uptimeMillis()); 2705 2706 if (!mOnlyCore) { 2707 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2708 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2709 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2710 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2711 mIntentFilterVerifierComponent); 2712 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2713 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 2714 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2715 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED); 2716 } else { 2717 mRequiredVerifierPackage = null; 2718 mRequiredInstallerPackage = null; 2719 mIntentFilterVerifierComponent = null; 2720 mIntentFilterVerifier = null; 2721 mServicesSystemSharedLibraryPackageName = null; 2722 mSharedSystemSharedLibraryPackageName = null; 2723 } 2724 2725 mInstallerService = new PackageInstallerService(context, this); 2726 2727 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2728 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2729 // both the installer and resolver must be present to enable ephemeral 2730 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2731 if (DEBUG_EPHEMERAL) { 2732 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2733 + " installer:" + ephemeralInstallerComponent); 2734 } 2735 mEphemeralResolverComponent = ephemeralResolverComponent; 2736 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2737 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2738 mEphemeralResolverConnection = 2739 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2740 } else { 2741 if (DEBUG_EPHEMERAL) { 2742 final String missingComponent = 2743 (ephemeralResolverComponent == null) 2744 ? (ephemeralInstallerComponent == null) 2745 ? "resolver and installer" 2746 : "resolver" 2747 : "installer"; 2748 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2749 } 2750 mEphemeralResolverComponent = null; 2751 mEphemeralInstallerComponent = null; 2752 mEphemeralResolverConnection = null; 2753 } 2754 2755 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2756 } // synchronized (mPackages) 2757 } // synchronized (mInstallLock) 2758 2759 // Now after opening every single application zip, make sure they 2760 // are all flushed. Not really needed, but keeps things nice and 2761 // tidy. 2762 Runtime.getRuntime().gc(); 2763 2764 // The initial scanning above does many calls into installd while 2765 // holding the mPackages lock, but we're mostly interested in yelling 2766 // once we have a booted system. 2767 mInstaller.setWarnIfHeld(mPackages); 2768 2769 // Expose private service for system components to use. 2770 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2771 } 2772 2773 @Override 2774 public boolean isFirstBoot() { 2775 return !mRestoredSettings; 2776 } 2777 2778 @Override 2779 public boolean isOnlyCoreApps() { 2780 return mOnlyCore; 2781 } 2782 2783 @Override 2784 public boolean isUpgrade() { 2785 return mIsUpgrade; 2786 } 2787 2788 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2789 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2790 2791 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2792 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2793 UserHandle.USER_SYSTEM); 2794 if (matches.size() == 1) { 2795 return matches.get(0).getComponentInfo().packageName; 2796 } else { 2797 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2798 return null; 2799 } 2800 } 2801 2802 private @NonNull String getRequiredSharedLibraryLPr(String libraryName) { 2803 synchronized (mPackages) { 2804 SharedLibraryEntry libraryEntry = mSharedLibraries.get(libraryName); 2805 if (libraryEntry == null) { 2806 throw new IllegalStateException("Missing required shared library:" + libraryName); 2807 } 2808 return libraryEntry.apk; 2809 } 2810 } 2811 2812 private @NonNull String getRequiredInstallerLPr() { 2813 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2814 intent.addCategory(Intent.CATEGORY_DEFAULT); 2815 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2816 2817 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2818 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2819 UserHandle.USER_SYSTEM); 2820 if (matches.size() == 1) { 2821 ResolveInfo resolveInfo = matches.get(0); 2822 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 2823 throw new RuntimeException("The installer must be a privileged app"); 2824 } 2825 return matches.get(0).getComponentInfo().packageName; 2826 } else { 2827 throw new RuntimeException("There must be exactly one installer; found " + matches); 2828 } 2829 } 2830 2831 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2832 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2833 2834 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2835 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2836 UserHandle.USER_SYSTEM); 2837 ResolveInfo best = null; 2838 final int N = matches.size(); 2839 for (int i = 0; i < N; i++) { 2840 final ResolveInfo cur = matches.get(i); 2841 final String packageName = cur.getComponentInfo().packageName; 2842 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2843 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2844 continue; 2845 } 2846 2847 if (best == null || cur.priority > best.priority) { 2848 best = cur; 2849 } 2850 } 2851 2852 if (best != null) { 2853 return best.getComponentInfo().getComponentName(); 2854 } else { 2855 throw new RuntimeException("There must be at least one intent filter verifier"); 2856 } 2857 } 2858 2859 private @Nullable ComponentName getEphemeralResolverLPr() { 2860 final String[] packageArray = 2861 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2862 if (packageArray.length == 0) { 2863 if (DEBUG_EPHEMERAL) { 2864 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2865 } 2866 return null; 2867 } 2868 2869 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2870 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2871 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2872 UserHandle.USER_SYSTEM); 2873 2874 final int N = resolvers.size(); 2875 if (N == 0) { 2876 if (DEBUG_EPHEMERAL) { 2877 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2878 } 2879 return null; 2880 } 2881 2882 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2883 for (int i = 0; i < N; i++) { 2884 final ResolveInfo info = resolvers.get(i); 2885 2886 if (info.serviceInfo == null) { 2887 continue; 2888 } 2889 2890 final String packageName = info.serviceInfo.packageName; 2891 if (!possiblePackages.contains(packageName)) { 2892 if (DEBUG_EPHEMERAL) { 2893 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2894 + " pkg: " + packageName + ", info:" + info); 2895 } 2896 continue; 2897 } 2898 2899 if (DEBUG_EPHEMERAL) { 2900 Slog.v(TAG, "Ephemeral resolver found;" 2901 + " pkg: " + packageName + ", info:" + info); 2902 } 2903 return new ComponentName(packageName, info.serviceInfo.name); 2904 } 2905 if (DEBUG_EPHEMERAL) { 2906 Slog.v(TAG, "Ephemeral resolver NOT found"); 2907 } 2908 return null; 2909 } 2910 2911 private @Nullable ComponentName getEphemeralInstallerLPr() { 2912 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2913 intent.addCategory(Intent.CATEGORY_DEFAULT); 2914 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2915 2916 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2917 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2918 UserHandle.USER_SYSTEM); 2919 if (matches.size() == 0) { 2920 return null; 2921 } else if (matches.size() == 1) { 2922 return matches.get(0).getComponentInfo().getComponentName(); 2923 } else { 2924 throw new RuntimeException( 2925 "There must be at most one ephemeral installer; found " + matches); 2926 } 2927 } 2928 2929 private void primeDomainVerificationsLPw(int userId) { 2930 if (DEBUG_DOMAIN_VERIFICATION) { 2931 Slog.d(TAG, "Priming domain verifications in user " + userId); 2932 } 2933 2934 SystemConfig systemConfig = SystemConfig.getInstance(); 2935 ArraySet<String> packages = systemConfig.getLinkedApps(); 2936 ArraySet<String> domains = new ArraySet<String>(); 2937 2938 for (String packageName : packages) { 2939 PackageParser.Package pkg = mPackages.get(packageName); 2940 if (pkg != null) { 2941 if (!pkg.isSystemApp()) { 2942 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2943 continue; 2944 } 2945 2946 domains.clear(); 2947 for (PackageParser.Activity a : pkg.activities) { 2948 for (ActivityIntentInfo filter : a.intents) { 2949 if (hasValidDomains(filter)) { 2950 domains.addAll(filter.getHostsList()); 2951 } 2952 } 2953 } 2954 2955 if (domains.size() > 0) { 2956 if (DEBUG_DOMAIN_VERIFICATION) { 2957 Slog.v(TAG, " + " + packageName); 2958 } 2959 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2960 // state w.r.t. the formal app-linkage "no verification attempted" state; 2961 // and then 'always' in the per-user state actually used for intent resolution. 2962 final IntentFilterVerificationInfo ivi; 2963 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2964 new ArrayList<String>(domains)); 2965 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2966 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2967 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2968 } else { 2969 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2970 + "' does not handle web links"); 2971 } 2972 } else { 2973 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2974 } 2975 } 2976 2977 scheduleWritePackageRestrictionsLocked(userId); 2978 scheduleWriteSettingsLocked(); 2979 } 2980 2981 private void applyFactoryDefaultBrowserLPw(int userId) { 2982 // The default browser app's package name is stored in a string resource, 2983 // with a product-specific overlay used for vendor customization. 2984 String browserPkg = mContext.getResources().getString( 2985 com.android.internal.R.string.default_browser); 2986 if (!TextUtils.isEmpty(browserPkg)) { 2987 // non-empty string => required to be a known package 2988 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2989 if (ps == null) { 2990 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2991 browserPkg = null; 2992 } else { 2993 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2994 } 2995 } 2996 2997 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2998 // default. If there's more than one, just leave everything alone. 2999 if (browserPkg == null) { 3000 calculateDefaultBrowserLPw(userId); 3001 } 3002 } 3003 3004 private void calculateDefaultBrowserLPw(int userId) { 3005 List<String> allBrowsers = resolveAllBrowserApps(userId); 3006 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3007 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3008 } 3009 3010 private List<String> resolveAllBrowserApps(int userId) { 3011 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3012 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3013 PackageManager.MATCH_ALL, userId); 3014 3015 final int count = list.size(); 3016 List<String> result = new ArrayList<String>(count); 3017 for (int i=0; i<count; i++) { 3018 ResolveInfo info = list.get(i); 3019 if (info.activityInfo == null 3020 || !info.handleAllWebDataURI 3021 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3022 || result.contains(info.activityInfo.packageName)) { 3023 continue; 3024 } 3025 result.add(info.activityInfo.packageName); 3026 } 3027 3028 return result; 3029 } 3030 3031 private boolean packageIsBrowser(String packageName, int userId) { 3032 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3033 PackageManager.MATCH_ALL, userId); 3034 final int N = list.size(); 3035 for (int i = 0; i < N; i++) { 3036 ResolveInfo info = list.get(i); 3037 if (packageName.equals(info.activityInfo.packageName)) { 3038 return true; 3039 } 3040 } 3041 return false; 3042 } 3043 3044 private void checkDefaultBrowser() { 3045 final int myUserId = UserHandle.myUserId(); 3046 final String packageName = getDefaultBrowserPackageName(myUserId); 3047 if (packageName != null) { 3048 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3049 if (info == null) { 3050 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3051 synchronized (mPackages) { 3052 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3053 } 3054 } 3055 } 3056 } 3057 3058 @Override 3059 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3060 throws RemoteException { 3061 try { 3062 return super.onTransact(code, data, reply, flags); 3063 } catch (RuntimeException e) { 3064 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3065 Slog.wtf(TAG, "Package Manager Crash", e); 3066 } 3067 throw e; 3068 } 3069 } 3070 3071 static int[] appendInts(int[] cur, int[] add) { 3072 if (add == null) return cur; 3073 if (cur == null) return add; 3074 final int N = add.length; 3075 for (int i=0; i<N; i++) { 3076 cur = appendInt(cur, add[i]); 3077 } 3078 return cur; 3079 } 3080 3081 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3082 if (!sUserManager.exists(userId)) return null; 3083 if (ps == null) { 3084 return null; 3085 } 3086 final PackageParser.Package p = ps.pkg; 3087 if (p == null) { 3088 return null; 3089 } 3090 3091 final PermissionsState permissionsState = ps.getPermissionsState(); 3092 3093 final int[] gids = permissionsState.computeGids(userId); 3094 final Set<String> permissions = permissionsState.getPermissions(userId); 3095 final PackageUserState state = ps.readUserState(userId); 3096 3097 return PackageParser.generatePackageInfo(p, gids, flags, 3098 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3099 } 3100 3101 @Override 3102 public void checkPackageStartable(String packageName, int userId) { 3103 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 3104 3105 synchronized (mPackages) { 3106 final PackageSetting ps = mSettings.mPackages.get(packageName); 3107 if (ps == null) { 3108 throw new SecurityException("Package " + packageName + " was not found!"); 3109 } 3110 3111 if (!ps.getInstalled(userId)) { 3112 throw new SecurityException( 3113 "Package " + packageName + " was not installed for user " + userId + "!"); 3114 } 3115 3116 if (mSafeMode && !ps.isSystem()) { 3117 throw new SecurityException("Package " + packageName + " not a system app!"); 3118 } 3119 3120 if (mFrozenPackages.contains(packageName)) { 3121 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3122 } 3123 3124 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3125 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3126 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3127 } 3128 } 3129 } 3130 3131 @Override 3132 public boolean isPackageAvailable(String packageName, int userId) { 3133 if (!sUserManager.exists(userId)) return false; 3134 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3135 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3136 synchronized (mPackages) { 3137 PackageParser.Package p = mPackages.get(packageName); 3138 if (p != null) { 3139 final PackageSetting ps = (PackageSetting) p.mExtras; 3140 if (ps != null) { 3141 final PackageUserState state = ps.readUserState(userId); 3142 if (state != null) { 3143 return PackageParser.isAvailable(state); 3144 } 3145 } 3146 } 3147 } 3148 return false; 3149 } 3150 3151 @Override 3152 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3153 if (!sUserManager.exists(userId)) return null; 3154 flags = updateFlagsForPackage(flags, userId, packageName); 3155 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3156 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3157 // reader 3158 synchronized (mPackages) { 3159 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3160 PackageParser.Package p = null; 3161 if (matchFactoryOnly) { 3162 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3163 if (ps != null) { 3164 return generatePackageInfo(ps, flags, userId); 3165 } 3166 } 3167 if (p == null) { 3168 p = mPackages.get(packageName); 3169 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3170 return null; 3171 } 3172 } 3173 if (DEBUG_PACKAGE_INFO) 3174 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3175 if (p != null) { 3176 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3177 } 3178 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3179 final PackageSetting ps = mSettings.mPackages.get(packageName); 3180 return generatePackageInfo(ps, flags, userId); 3181 } 3182 } 3183 return null; 3184 } 3185 3186 @Override 3187 public String[] currentToCanonicalPackageNames(String[] names) { 3188 String[] out = new String[names.length]; 3189 // reader 3190 synchronized (mPackages) { 3191 for (int i=names.length-1; i>=0; i--) { 3192 PackageSetting ps = mSettings.mPackages.get(names[i]); 3193 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3194 } 3195 } 3196 return out; 3197 } 3198 3199 @Override 3200 public String[] canonicalToCurrentPackageNames(String[] names) { 3201 String[] out = new String[names.length]; 3202 // reader 3203 synchronized (mPackages) { 3204 for (int i=names.length-1; i>=0; i--) { 3205 String cur = mSettings.mRenamedPackages.get(names[i]); 3206 out[i] = cur != null ? cur : names[i]; 3207 } 3208 } 3209 return out; 3210 } 3211 3212 @Override 3213 public int getPackageUid(String packageName, int flags, int userId) { 3214 if (!sUserManager.exists(userId)) return -1; 3215 flags = updateFlagsForPackage(flags, userId, packageName); 3216 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3217 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3218 3219 // reader 3220 synchronized (mPackages) { 3221 final PackageParser.Package p = mPackages.get(packageName); 3222 if (p != null && p.isMatch(flags)) { 3223 return UserHandle.getUid(userId, p.applicationInfo.uid); 3224 } 3225 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3226 final PackageSetting ps = mSettings.mPackages.get(packageName); 3227 if (ps != null && ps.isMatch(flags)) { 3228 return UserHandle.getUid(userId, ps.appId); 3229 } 3230 } 3231 } 3232 3233 return -1; 3234 } 3235 3236 @Override 3237 public int[] getPackageGids(String packageName, int flags, int userId) { 3238 if (!sUserManager.exists(userId)) return null; 3239 flags = updateFlagsForPackage(flags, userId, packageName); 3240 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3241 false /* requireFullPermission */, false /* checkShell */, 3242 "getPackageGids"); 3243 3244 // reader 3245 synchronized (mPackages) { 3246 final PackageParser.Package p = mPackages.get(packageName); 3247 if (p != null && p.isMatch(flags)) { 3248 PackageSetting ps = (PackageSetting) p.mExtras; 3249 return ps.getPermissionsState().computeGids(userId); 3250 } 3251 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3252 final PackageSetting ps = mSettings.mPackages.get(packageName); 3253 if (ps != null && ps.isMatch(flags)) { 3254 return ps.getPermissionsState().computeGids(userId); 3255 } 3256 } 3257 } 3258 3259 return null; 3260 } 3261 3262 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3263 if (bp.perm != null) { 3264 return PackageParser.generatePermissionInfo(bp.perm, flags); 3265 } 3266 PermissionInfo pi = new PermissionInfo(); 3267 pi.name = bp.name; 3268 pi.packageName = bp.sourcePackage; 3269 pi.nonLocalizedLabel = bp.name; 3270 pi.protectionLevel = bp.protectionLevel; 3271 return pi; 3272 } 3273 3274 @Override 3275 public PermissionInfo getPermissionInfo(String name, int flags) { 3276 // reader 3277 synchronized (mPackages) { 3278 final BasePermission p = mSettings.mPermissions.get(name); 3279 if (p != null) { 3280 return generatePermissionInfo(p, flags); 3281 } 3282 return null; 3283 } 3284 } 3285 3286 @Override 3287 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3288 int flags) { 3289 // reader 3290 synchronized (mPackages) { 3291 if (group != null && !mPermissionGroups.containsKey(group)) { 3292 // This is thrown as NameNotFoundException 3293 return null; 3294 } 3295 3296 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3297 for (BasePermission p : mSettings.mPermissions.values()) { 3298 if (group == null) { 3299 if (p.perm == null || p.perm.info.group == null) { 3300 out.add(generatePermissionInfo(p, flags)); 3301 } 3302 } else { 3303 if (p.perm != null && group.equals(p.perm.info.group)) { 3304 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3305 } 3306 } 3307 } 3308 return new ParceledListSlice<>(out); 3309 } 3310 } 3311 3312 @Override 3313 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3314 // reader 3315 synchronized (mPackages) { 3316 return PackageParser.generatePermissionGroupInfo( 3317 mPermissionGroups.get(name), flags); 3318 } 3319 } 3320 3321 @Override 3322 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3323 // reader 3324 synchronized (mPackages) { 3325 final int N = mPermissionGroups.size(); 3326 ArrayList<PermissionGroupInfo> out 3327 = new ArrayList<PermissionGroupInfo>(N); 3328 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3329 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3330 } 3331 return new ParceledListSlice<>(out); 3332 } 3333 } 3334 3335 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3336 int userId) { 3337 if (!sUserManager.exists(userId)) return null; 3338 PackageSetting ps = mSettings.mPackages.get(packageName); 3339 if (ps != null) { 3340 if (ps.pkg == null) { 3341 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3342 if (pInfo != null) { 3343 return pInfo.applicationInfo; 3344 } 3345 return null; 3346 } 3347 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3348 ps.readUserState(userId), userId); 3349 } 3350 return null; 3351 } 3352 3353 @Override 3354 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3355 if (!sUserManager.exists(userId)) return null; 3356 flags = updateFlagsForApplication(flags, userId, packageName); 3357 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3358 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3359 // writer 3360 synchronized (mPackages) { 3361 PackageParser.Package p = mPackages.get(packageName); 3362 if (DEBUG_PACKAGE_INFO) Log.v( 3363 TAG, "getApplicationInfo " + packageName 3364 + ": " + p); 3365 if (p != null) { 3366 PackageSetting ps = mSettings.mPackages.get(packageName); 3367 if (ps == null) return null; 3368 // Note: isEnabledLP() does not apply here - always return info 3369 return PackageParser.generateApplicationInfo( 3370 p, flags, ps.readUserState(userId), userId); 3371 } 3372 if ("android".equals(packageName)||"system".equals(packageName)) { 3373 return mAndroidApplication; 3374 } 3375 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3376 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3377 } 3378 } 3379 return null; 3380 } 3381 3382 @Override 3383 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3384 final IPackageDataObserver observer) { 3385 mContext.enforceCallingOrSelfPermission( 3386 android.Manifest.permission.CLEAR_APP_CACHE, null); 3387 // Queue up an async operation since clearing cache may take a little while. 3388 mHandler.post(new Runnable() { 3389 public void run() { 3390 mHandler.removeCallbacks(this); 3391 boolean success = true; 3392 synchronized (mInstallLock) { 3393 try { 3394 mInstaller.freeCache(volumeUuid, freeStorageSize); 3395 } catch (InstallerException e) { 3396 Slog.w(TAG, "Couldn't clear application caches: " + e); 3397 success = false; 3398 } 3399 } 3400 if (observer != null) { 3401 try { 3402 observer.onRemoveCompleted(null, success); 3403 } catch (RemoteException e) { 3404 Slog.w(TAG, "RemoveException when invoking call back"); 3405 } 3406 } 3407 } 3408 }); 3409 } 3410 3411 @Override 3412 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3413 final IntentSender pi) { 3414 mContext.enforceCallingOrSelfPermission( 3415 android.Manifest.permission.CLEAR_APP_CACHE, null); 3416 // Queue up an async operation since clearing cache may take a little while. 3417 mHandler.post(new Runnable() { 3418 public void run() { 3419 mHandler.removeCallbacks(this); 3420 boolean success = true; 3421 synchronized (mInstallLock) { 3422 try { 3423 mInstaller.freeCache(volumeUuid, freeStorageSize); 3424 } catch (InstallerException e) { 3425 Slog.w(TAG, "Couldn't clear application caches: " + e); 3426 success = false; 3427 } 3428 } 3429 if(pi != null) { 3430 try { 3431 // Callback via pending intent 3432 int code = success ? 1 : 0; 3433 pi.sendIntent(null, code, null, 3434 null, null); 3435 } catch (SendIntentException e1) { 3436 Slog.i(TAG, "Failed to send pending intent"); 3437 } 3438 } 3439 } 3440 }); 3441 } 3442 3443 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3444 synchronized (mInstallLock) { 3445 try { 3446 mInstaller.freeCache(volumeUuid, freeStorageSize); 3447 } catch (InstallerException e) { 3448 throw new IOException("Failed to free enough space", e); 3449 } 3450 } 3451 } 3452 3453 /** 3454 * Return if the user key is currently unlocked. 3455 */ 3456 private boolean isUserKeyUnlocked(int userId) { 3457 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3458 final IMountService mount = IMountService.Stub 3459 .asInterface(ServiceManager.getService("mount")); 3460 if (mount == null) { 3461 Slog.w(TAG, "Early during boot, assuming locked"); 3462 return false; 3463 } 3464 final long token = Binder.clearCallingIdentity(); 3465 try { 3466 return mount.isUserKeyUnlocked(userId); 3467 } catch (RemoteException e) { 3468 throw e.rethrowAsRuntimeException(); 3469 } finally { 3470 Binder.restoreCallingIdentity(token); 3471 } 3472 } else { 3473 return true; 3474 } 3475 } 3476 3477 /** 3478 * Update given flags based on encryption status of current user. 3479 */ 3480 private int updateFlags(int flags, int userId) { 3481 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3482 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3483 // Caller expressed an explicit opinion about what encryption 3484 // aware/unaware components they want to see, so fall through and 3485 // give them what they want 3486 } else { 3487 // Caller expressed no opinion, so match based on user state 3488 if (isUserKeyUnlocked(userId)) { 3489 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3490 } else { 3491 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3492 } 3493 } 3494 return flags; 3495 } 3496 3497 /** 3498 * Update given flags when being used to request {@link PackageInfo}. 3499 */ 3500 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3501 boolean triaged = true; 3502 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3503 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3504 // Caller is asking for component details, so they'd better be 3505 // asking for specific encryption matching behavior, or be triaged 3506 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3507 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3508 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3509 triaged = false; 3510 } 3511 } 3512 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3513 | PackageManager.MATCH_SYSTEM_ONLY 3514 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3515 triaged = false; 3516 } 3517 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3518 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3519 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3520 } 3521 return updateFlags(flags, userId); 3522 } 3523 3524 /** 3525 * Update given flags when being used to request {@link ApplicationInfo}. 3526 */ 3527 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3528 return updateFlagsForPackage(flags, userId, cookie); 3529 } 3530 3531 /** 3532 * Update given flags when being used to request {@link ComponentInfo}. 3533 */ 3534 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3535 if (cookie instanceof Intent) { 3536 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3537 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3538 } 3539 } 3540 3541 boolean triaged = true; 3542 // Caller is asking for component details, so they'd better be 3543 // asking for specific encryption matching behavior, or be triaged 3544 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3545 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3546 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3547 triaged = false; 3548 } 3549 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3550 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3551 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3552 } 3553 3554 return updateFlags(flags, userId); 3555 } 3556 3557 /** 3558 * Update given flags when being used to request {@link ResolveInfo}. 3559 */ 3560 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3561 // Safe mode means we shouldn't match any third-party components 3562 if (mSafeMode) { 3563 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3564 } 3565 3566 return updateFlagsForComponent(flags, userId, cookie); 3567 } 3568 3569 @Override 3570 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3571 if (!sUserManager.exists(userId)) return null; 3572 flags = updateFlagsForComponent(flags, userId, component); 3573 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3574 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3575 synchronized (mPackages) { 3576 PackageParser.Activity a = mActivities.mActivities.get(component); 3577 3578 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3579 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3580 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3581 if (ps == null) return null; 3582 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3583 userId); 3584 } 3585 if (mResolveComponentName.equals(component)) { 3586 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3587 new PackageUserState(), userId); 3588 } 3589 } 3590 return null; 3591 } 3592 3593 @Override 3594 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3595 String resolvedType) { 3596 synchronized (mPackages) { 3597 if (component.equals(mResolveComponentName)) { 3598 // The resolver supports EVERYTHING! 3599 return true; 3600 } 3601 PackageParser.Activity a = mActivities.mActivities.get(component); 3602 if (a == null) { 3603 return false; 3604 } 3605 for (int i=0; i<a.intents.size(); i++) { 3606 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3607 intent.getData(), intent.getCategories(), TAG) >= 0) { 3608 return true; 3609 } 3610 } 3611 return false; 3612 } 3613 } 3614 3615 @Override 3616 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3617 if (!sUserManager.exists(userId)) return null; 3618 flags = updateFlagsForComponent(flags, userId, component); 3619 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3620 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3621 synchronized (mPackages) { 3622 PackageParser.Activity a = mReceivers.mActivities.get(component); 3623 if (DEBUG_PACKAGE_INFO) Log.v( 3624 TAG, "getReceiverInfo " + component + ": " + a); 3625 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3626 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3627 if (ps == null) return null; 3628 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3629 userId); 3630 } 3631 } 3632 return null; 3633 } 3634 3635 @Override 3636 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3637 if (!sUserManager.exists(userId)) return null; 3638 flags = updateFlagsForComponent(flags, userId, component); 3639 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3640 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3641 synchronized (mPackages) { 3642 PackageParser.Service s = mServices.mServices.get(component); 3643 if (DEBUG_PACKAGE_INFO) Log.v( 3644 TAG, "getServiceInfo " + component + ": " + s); 3645 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3646 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3647 if (ps == null) return null; 3648 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3649 userId); 3650 } 3651 } 3652 return null; 3653 } 3654 3655 @Override 3656 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3657 if (!sUserManager.exists(userId)) return null; 3658 flags = updateFlagsForComponent(flags, userId, component); 3659 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3660 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3661 synchronized (mPackages) { 3662 PackageParser.Provider p = mProviders.mProviders.get(component); 3663 if (DEBUG_PACKAGE_INFO) Log.v( 3664 TAG, "getProviderInfo " + component + ": " + p); 3665 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3666 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3667 if (ps == null) return null; 3668 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3669 userId); 3670 } 3671 } 3672 return null; 3673 } 3674 3675 @Override 3676 public String[] getSystemSharedLibraryNames() { 3677 Set<String> libSet; 3678 synchronized (mPackages) { 3679 libSet = mSharedLibraries.keySet(); 3680 int size = libSet.size(); 3681 if (size > 0) { 3682 String[] libs = new String[size]; 3683 libSet.toArray(libs); 3684 return libs; 3685 } 3686 } 3687 return null; 3688 } 3689 3690 @Override 3691 public @NonNull String getServicesSystemSharedLibraryPackageName() { 3692 synchronized (mPackages) { 3693 return mServicesSystemSharedLibraryPackageName; 3694 } 3695 } 3696 3697 @Override 3698 public @NonNull String getSharedSystemSharedLibraryPackageName() { 3699 synchronized (mPackages) { 3700 return mSharedSystemSharedLibraryPackageName; 3701 } 3702 } 3703 3704 @Override 3705 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3706 synchronized (mPackages) { 3707 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3708 3709 final FeatureInfo fi = new FeatureInfo(); 3710 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3711 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3712 res.add(fi); 3713 3714 return new ParceledListSlice<>(res); 3715 } 3716 } 3717 3718 @Override 3719 public boolean hasSystemFeature(String name, int version) { 3720 synchronized (mPackages) { 3721 final FeatureInfo feat = mAvailableFeatures.get(name); 3722 if (feat == null) { 3723 return false; 3724 } else { 3725 return feat.version >= version; 3726 } 3727 } 3728 } 3729 3730 @Override 3731 public int checkPermission(String permName, String pkgName, int userId) { 3732 if (!sUserManager.exists(userId)) { 3733 return PackageManager.PERMISSION_DENIED; 3734 } 3735 3736 synchronized (mPackages) { 3737 final PackageParser.Package p = mPackages.get(pkgName); 3738 if (p != null && p.mExtras != null) { 3739 final PackageSetting ps = (PackageSetting) p.mExtras; 3740 final PermissionsState permissionsState = ps.getPermissionsState(); 3741 if (permissionsState.hasPermission(permName, userId)) { 3742 return PackageManager.PERMISSION_GRANTED; 3743 } 3744 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3745 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3746 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3747 return PackageManager.PERMISSION_GRANTED; 3748 } 3749 } 3750 } 3751 3752 return PackageManager.PERMISSION_DENIED; 3753 } 3754 3755 @Override 3756 public int checkUidPermission(String permName, int uid) { 3757 final int userId = UserHandle.getUserId(uid); 3758 3759 if (!sUserManager.exists(userId)) { 3760 return PackageManager.PERMISSION_DENIED; 3761 } 3762 3763 synchronized (mPackages) { 3764 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3765 if (obj != null) { 3766 final SettingBase ps = (SettingBase) obj; 3767 final PermissionsState permissionsState = ps.getPermissionsState(); 3768 if (permissionsState.hasPermission(permName, userId)) { 3769 return PackageManager.PERMISSION_GRANTED; 3770 } 3771 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3772 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3773 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3774 return PackageManager.PERMISSION_GRANTED; 3775 } 3776 } else { 3777 ArraySet<String> perms = mSystemPermissions.get(uid); 3778 if (perms != null) { 3779 if (perms.contains(permName)) { 3780 return PackageManager.PERMISSION_GRANTED; 3781 } 3782 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3783 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3784 return PackageManager.PERMISSION_GRANTED; 3785 } 3786 } 3787 } 3788 } 3789 3790 return PackageManager.PERMISSION_DENIED; 3791 } 3792 3793 @Override 3794 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3795 if (UserHandle.getCallingUserId() != userId) { 3796 mContext.enforceCallingPermission( 3797 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3798 "isPermissionRevokedByPolicy for user " + userId); 3799 } 3800 3801 if (checkPermission(permission, packageName, userId) 3802 == PackageManager.PERMISSION_GRANTED) { 3803 return false; 3804 } 3805 3806 final long identity = Binder.clearCallingIdentity(); 3807 try { 3808 final int flags = getPermissionFlags(permission, packageName, userId); 3809 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3810 } finally { 3811 Binder.restoreCallingIdentity(identity); 3812 } 3813 } 3814 3815 @Override 3816 public String getPermissionControllerPackageName() { 3817 synchronized (mPackages) { 3818 return mRequiredInstallerPackage; 3819 } 3820 } 3821 3822 /** 3823 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3824 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3825 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3826 * @param message the message to log on security exception 3827 */ 3828 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3829 boolean checkShell, String message) { 3830 if (userId < 0) { 3831 throw new IllegalArgumentException("Invalid userId " + userId); 3832 } 3833 if (checkShell) { 3834 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3835 } 3836 if (userId == UserHandle.getUserId(callingUid)) return; 3837 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3838 if (requireFullPermission) { 3839 mContext.enforceCallingOrSelfPermission( 3840 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3841 } else { 3842 try { 3843 mContext.enforceCallingOrSelfPermission( 3844 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3845 } catch (SecurityException se) { 3846 mContext.enforceCallingOrSelfPermission( 3847 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3848 } 3849 } 3850 } 3851 } 3852 3853 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3854 if (callingUid == Process.SHELL_UID) { 3855 if (userHandle >= 0 3856 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3857 throw new SecurityException("Shell does not have permission to access user " 3858 + userHandle); 3859 } else if (userHandle < 0) { 3860 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3861 + Debug.getCallers(3)); 3862 } 3863 } 3864 } 3865 3866 private BasePermission findPermissionTreeLP(String permName) { 3867 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3868 if (permName.startsWith(bp.name) && 3869 permName.length() > bp.name.length() && 3870 permName.charAt(bp.name.length()) == '.') { 3871 return bp; 3872 } 3873 } 3874 return null; 3875 } 3876 3877 private BasePermission checkPermissionTreeLP(String permName) { 3878 if (permName != null) { 3879 BasePermission bp = findPermissionTreeLP(permName); 3880 if (bp != null) { 3881 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3882 return bp; 3883 } 3884 throw new SecurityException("Calling uid " 3885 + Binder.getCallingUid() 3886 + " is not allowed to add to permission tree " 3887 + bp.name + " owned by uid " + bp.uid); 3888 } 3889 } 3890 throw new SecurityException("No permission tree found for " + permName); 3891 } 3892 3893 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3894 if (s1 == null) { 3895 return s2 == null; 3896 } 3897 if (s2 == null) { 3898 return false; 3899 } 3900 if (s1.getClass() != s2.getClass()) { 3901 return false; 3902 } 3903 return s1.equals(s2); 3904 } 3905 3906 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3907 if (pi1.icon != pi2.icon) return false; 3908 if (pi1.logo != pi2.logo) return false; 3909 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3910 if (!compareStrings(pi1.name, pi2.name)) return false; 3911 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3912 // We'll take care of setting this one. 3913 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3914 // These are not currently stored in settings. 3915 //if (!compareStrings(pi1.group, pi2.group)) return false; 3916 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3917 //if (pi1.labelRes != pi2.labelRes) return false; 3918 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3919 return true; 3920 } 3921 3922 int permissionInfoFootprint(PermissionInfo info) { 3923 int size = info.name.length(); 3924 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3925 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3926 return size; 3927 } 3928 3929 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3930 int size = 0; 3931 for (BasePermission perm : mSettings.mPermissions.values()) { 3932 if (perm.uid == tree.uid) { 3933 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3934 } 3935 } 3936 return size; 3937 } 3938 3939 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3940 // We calculate the max size of permissions defined by this uid and throw 3941 // if that plus the size of 'info' would exceed our stated maximum. 3942 if (tree.uid != Process.SYSTEM_UID) { 3943 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3944 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3945 throw new SecurityException("Permission tree size cap exceeded"); 3946 } 3947 } 3948 } 3949 3950 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3951 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3952 throw new SecurityException("Label must be specified in permission"); 3953 } 3954 BasePermission tree = checkPermissionTreeLP(info.name); 3955 BasePermission bp = mSettings.mPermissions.get(info.name); 3956 boolean added = bp == null; 3957 boolean changed = true; 3958 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3959 if (added) { 3960 enforcePermissionCapLocked(info, tree); 3961 bp = new BasePermission(info.name, tree.sourcePackage, 3962 BasePermission.TYPE_DYNAMIC); 3963 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3964 throw new SecurityException( 3965 "Not allowed to modify non-dynamic permission " 3966 + info.name); 3967 } else { 3968 if (bp.protectionLevel == fixedLevel 3969 && bp.perm.owner.equals(tree.perm.owner) 3970 && bp.uid == tree.uid 3971 && comparePermissionInfos(bp.perm.info, info)) { 3972 changed = false; 3973 } 3974 } 3975 bp.protectionLevel = fixedLevel; 3976 info = new PermissionInfo(info); 3977 info.protectionLevel = fixedLevel; 3978 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3979 bp.perm.info.packageName = tree.perm.info.packageName; 3980 bp.uid = tree.uid; 3981 if (added) { 3982 mSettings.mPermissions.put(info.name, bp); 3983 } 3984 if (changed) { 3985 if (!async) { 3986 mSettings.writeLPr(); 3987 } else { 3988 scheduleWriteSettingsLocked(); 3989 } 3990 } 3991 return added; 3992 } 3993 3994 @Override 3995 public boolean addPermission(PermissionInfo info) { 3996 synchronized (mPackages) { 3997 return addPermissionLocked(info, false); 3998 } 3999 } 4000 4001 @Override 4002 public boolean addPermissionAsync(PermissionInfo info) { 4003 synchronized (mPackages) { 4004 return addPermissionLocked(info, true); 4005 } 4006 } 4007 4008 @Override 4009 public void removePermission(String name) { 4010 synchronized (mPackages) { 4011 checkPermissionTreeLP(name); 4012 BasePermission bp = mSettings.mPermissions.get(name); 4013 if (bp != null) { 4014 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4015 throw new SecurityException( 4016 "Not allowed to modify non-dynamic permission " 4017 + name); 4018 } 4019 mSettings.mPermissions.remove(name); 4020 mSettings.writeLPr(); 4021 } 4022 } 4023 } 4024 4025 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4026 BasePermission bp) { 4027 int index = pkg.requestedPermissions.indexOf(bp.name); 4028 if (index == -1) { 4029 throw new SecurityException("Package " + pkg.packageName 4030 + " has not requested permission " + bp.name); 4031 } 4032 if (!bp.isRuntime() && !bp.isDevelopment()) { 4033 throw new SecurityException("Permission " + bp.name 4034 + " is not a changeable permission type"); 4035 } 4036 } 4037 4038 @Override 4039 public void grantRuntimePermission(String packageName, String name, final int userId) { 4040 if (!sUserManager.exists(userId)) { 4041 Log.e(TAG, "No such user:" + userId); 4042 return; 4043 } 4044 4045 mContext.enforceCallingOrSelfPermission( 4046 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4047 "grantRuntimePermission"); 4048 4049 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4050 true /* requireFullPermission */, true /* checkShell */, 4051 "grantRuntimePermission"); 4052 4053 final int uid; 4054 final SettingBase sb; 4055 4056 synchronized (mPackages) { 4057 final PackageParser.Package pkg = mPackages.get(packageName); 4058 if (pkg == null) { 4059 throw new IllegalArgumentException("Unknown package: " + packageName); 4060 } 4061 4062 final BasePermission bp = mSettings.mPermissions.get(name); 4063 if (bp == null) { 4064 throw new IllegalArgumentException("Unknown permission: " + name); 4065 } 4066 4067 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4068 4069 // If a permission review is required for legacy apps we represent 4070 // their permissions as always granted runtime ones since we need 4071 // to keep the review required permission flag per user while an 4072 // install permission's state is shared across all users. 4073 if (Build.PERMISSIONS_REVIEW_REQUIRED 4074 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4075 && bp.isRuntime()) { 4076 return; 4077 } 4078 4079 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4080 sb = (SettingBase) pkg.mExtras; 4081 if (sb == null) { 4082 throw new IllegalArgumentException("Unknown package: " + packageName); 4083 } 4084 4085 final PermissionsState permissionsState = sb.getPermissionsState(); 4086 4087 final int flags = permissionsState.getPermissionFlags(name, userId); 4088 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4089 throw new SecurityException("Cannot grant system fixed permission " 4090 + name + " for package " + packageName); 4091 } 4092 4093 if (bp.isDevelopment()) { 4094 // Development permissions must be handled specially, since they are not 4095 // normal runtime permissions. For now they apply to all users. 4096 if (permissionsState.grantInstallPermission(bp) != 4097 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4098 scheduleWriteSettingsLocked(); 4099 } 4100 return; 4101 } 4102 4103 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4104 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4105 return; 4106 } 4107 4108 final int result = permissionsState.grantRuntimePermission(bp, userId); 4109 switch (result) { 4110 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4111 return; 4112 } 4113 4114 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4115 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4116 mHandler.post(new Runnable() { 4117 @Override 4118 public void run() { 4119 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4120 } 4121 }); 4122 } 4123 break; 4124 } 4125 4126 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4127 4128 // Not critical if that is lost - app has to request again. 4129 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4130 } 4131 4132 // Only need to do this if user is initialized. Otherwise it's a new user 4133 // and there are no processes running as the user yet and there's no need 4134 // to make an expensive call to remount processes for the changed permissions. 4135 if (READ_EXTERNAL_STORAGE.equals(name) 4136 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4137 final long token = Binder.clearCallingIdentity(); 4138 try { 4139 if (sUserManager.isInitialized(userId)) { 4140 MountServiceInternal mountServiceInternal = LocalServices.getService( 4141 MountServiceInternal.class); 4142 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4143 } 4144 } finally { 4145 Binder.restoreCallingIdentity(token); 4146 } 4147 } 4148 } 4149 4150 @Override 4151 public void revokeRuntimePermission(String packageName, String name, int userId) { 4152 if (!sUserManager.exists(userId)) { 4153 Log.e(TAG, "No such user:" + userId); 4154 return; 4155 } 4156 4157 mContext.enforceCallingOrSelfPermission( 4158 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4159 "revokeRuntimePermission"); 4160 4161 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4162 true /* requireFullPermission */, true /* checkShell */, 4163 "revokeRuntimePermission"); 4164 4165 final int appId; 4166 4167 synchronized (mPackages) { 4168 final PackageParser.Package pkg = mPackages.get(packageName); 4169 if (pkg == null) { 4170 throw new IllegalArgumentException("Unknown package: " + packageName); 4171 } 4172 4173 final BasePermission bp = mSettings.mPermissions.get(name); 4174 if (bp == null) { 4175 throw new IllegalArgumentException("Unknown permission: " + name); 4176 } 4177 4178 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4179 4180 // If a permission review is required for legacy apps we represent 4181 // their permissions as always granted runtime ones since we need 4182 // to keep the review required permission flag per user while an 4183 // install permission's state is shared across all users. 4184 if (Build.PERMISSIONS_REVIEW_REQUIRED 4185 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4186 && bp.isRuntime()) { 4187 return; 4188 } 4189 4190 SettingBase sb = (SettingBase) pkg.mExtras; 4191 if (sb == null) { 4192 throw new IllegalArgumentException("Unknown package: " + packageName); 4193 } 4194 4195 final PermissionsState permissionsState = sb.getPermissionsState(); 4196 4197 final int flags = permissionsState.getPermissionFlags(name, userId); 4198 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4199 throw new SecurityException("Cannot revoke system fixed permission " 4200 + name + " for package " + packageName); 4201 } 4202 4203 if (bp.isDevelopment()) { 4204 // Development permissions must be handled specially, since they are not 4205 // normal runtime permissions. For now they apply to all users. 4206 if (permissionsState.revokeInstallPermission(bp) != 4207 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4208 scheduleWriteSettingsLocked(); 4209 } 4210 return; 4211 } 4212 4213 if (permissionsState.revokeRuntimePermission(bp, userId) == 4214 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4215 return; 4216 } 4217 4218 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4219 4220 // Critical, after this call app should never have the permission. 4221 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4222 4223 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4224 } 4225 4226 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4227 } 4228 4229 @Override 4230 public void resetRuntimePermissions() { 4231 mContext.enforceCallingOrSelfPermission( 4232 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4233 "revokeRuntimePermission"); 4234 4235 int callingUid = Binder.getCallingUid(); 4236 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4237 mContext.enforceCallingOrSelfPermission( 4238 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4239 "resetRuntimePermissions"); 4240 } 4241 4242 synchronized (mPackages) { 4243 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4244 for (int userId : UserManagerService.getInstance().getUserIds()) { 4245 final int packageCount = mPackages.size(); 4246 for (int i = 0; i < packageCount; i++) { 4247 PackageParser.Package pkg = mPackages.valueAt(i); 4248 if (!(pkg.mExtras instanceof PackageSetting)) { 4249 continue; 4250 } 4251 PackageSetting ps = (PackageSetting) pkg.mExtras; 4252 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4253 } 4254 } 4255 } 4256 } 4257 4258 @Override 4259 public int getPermissionFlags(String name, String packageName, int userId) { 4260 if (!sUserManager.exists(userId)) { 4261 return 0; 4262 } 4263 4264 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4265 4266 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4267 true /* requireFullPermission */, false /* checkShell */, 4268 "getPermissionFlags"); 4269 4270 synchronized (mPackages) { 4271 final PackageParser.Package pkg = mPackages.get(packageName); 4272 if (pkg == null) { 4273 throw new IllegalArgumentException("Unknown package: " + packageName); 4274 } 4275 4276 final BasePermission bp = mSettings.mPermissions.get(name); 4277 if (bp == null) { 4278 throw new IllegalArgumentException("Unknown permission: " + name); 4279 } 4280 4281 SettingBase sb = (SettingBase) pkg.mExtras; 4282 if (sb == null) { 4283 throw new IllegalArgumentException("Unknown package: " + packageName); 4284 } 4285 4286 PermissionsState permissionsState = sb.getPermissionsState(); 4287 return permissionsState.getPermissionFlags(name, userId); 4288 } 4289 } 4290 4291 @Override 4292 public void updatePermissionFlags(String name, String packageName, int flagMask, 4293 int flagValues, int userId) { 4294 if (!sUserManager.exists(userId)) { 4295 return; 4296 } 4297 4298 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4299 4300 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4301 true /* requireFullPermission */, true /* checkShell */, 4302 "updatePermissionFlags"); 4303 4304 // Only the system can change these flags and nothing else. 4305 if (getCallingUid() != Process.SYSTEM_UID) { 4306 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4307 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4308 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4309 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4310 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4311 } 4312 4313 synchronized (mPackages) { 4314 final PackageParser.Package pkg = mPackages.get(packageName); 4315 if (pkg == null) { 4316 throw new IllegalArgumentException("Unknown package: " + packageName); 4317 } 4318 4319 final BasePermission bp = mSettings.mPermissions.get(name); 4320 if (bp == null) { 4321 throw new IllegalArgumentException("Unknown permission: " + name); 4322 } 4323 4324 SettingBase sb = (SettingBase) pkg.mExtras; 4325 if (sb == null) { 4326 throw new IllegalArgumentException("Unknown package: " + packageName); 4327 } 4328 4329 PermissionsState permissionsState = sb.getPermissionsState(); 4330 4331 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4332 4333 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4334 // Install and runtime permissions are stored in different places, 4335 // so figure out what permission changed and persist the change. 4336 if (permissionsState.getInstallPermissionState(name) != null) { 4337 scheduleWriteSettingsLocked(); 4338 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4339 || hadState) { 4340 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4341 } 4342 } 4343 } 4344 } 4345 4346 /** 4347 * Update the permission flags for all packages and runtime permissions of a user in order 4348 * to allow device or profile owner to remove POLICY_FIXED. 4349 */ 4350 @Override 4351 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4352 if (!sUserManager.exists(userId)) { 4353 return; 4354 } 4355 4356 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4357 4358 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4359 true /* requireFullPermission */, true /* checkShell */, 4360 "updatePermissionFlagsForAllApps"); 4361 4362 // Only the system can change system fixed flags. 4363 if (getCallingUid() != Process.SYSTEM_UID) { 4364 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4365 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4366 } 4367 4368 synchronized (mPackages) { 4369 boolean changed = false; 4370 final int packageCount = mPackages.size(); 4371 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4372 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4373 SettingBase sb = (SettingBase) pkg.mExtras; 4374 if (sb == null) { 4375 continue; 4376 } 4377 PermissionsState permissionsState = sb.getPermissionsState(); 4378 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4379 userId, flagMask, flagValues); 4380 } 4381 if (changed) { 4382 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4383 } 4384 } 4385 } 4386 4387 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4388 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4389 != PackageManager.PERMISSION_GRANTED 4390 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4391 != PackageManager.PERMISSION_GRANTED) { 4392 throw new SecurityException(message + " requires " 4393 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4394 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4395 } 4396 } 4397 4398 @Override 4399 public boolean shouldShowRequestPermissionRationale(String permissionName, 4400 String packageName, int userId) { 4401 if (UserHandle.getCallingUserId() != userId) { 4402 mContext.enforceCallingPermission( 4403 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4404 "canShowRequestPermissionRationale for user " + userId); 4405 } 4406 4407 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4408 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4409 return false; 4410 } 4411 4412 if (checkPermission(permissionName, packageName, userId) 4413 == PackageManager.PERMISSION_GRANTED) { 4414 return false; 4415 } 4416 4417 final int flags; 4418 4419 final long identity = Binder.clearCallingIdentity(); 4420 try { 4421 flags = getPermissionFlags(permissionName, 4422 packageName, userId); 4423 } finally { 4424 Binder.restoreCallingIdentity(identity); 4425 } 4426 4427 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4428 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4429 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4430 4431 if ((flags & fixedFlags) != 0) { 4432 return false; 4433 } 4434 4435 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4436 } 4437 4438 @Override 4439 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4440 mContext.enforceCallingOrSelfPermission( 4441 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4442 "addOnPermissionsChangeListener"); 4443 4444 synchronized (mPackages) { 4445 mOnPermissionChangeListeners.addListenerLocked(listener); 4446 } 4447 } 4448 4449 @Override 4450 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4451 synchronized (mPackages) { 4452 mOnPermissionChangeListeners.removeListenerLocked(listener); 4453 } 4454 } 4455 4456 @Override 4457 public boolean isProtectedBroadcast(String actionName) { 4458 synchronized (mPackages) { 4459 if (mProtectedBroadcasts.contains(actionName)) { 4460 return true; 4461 } else if (actionName != null) { 4462 // TODO: remove these terrible hacks 4463 if (actionName.startsWith("android.net.netmon.lingerExpired") 4464 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4465 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4466 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4467 return true; 4468 } 4469 } 4470 } 4471 return false; 4472 } 4473 4474 @Override 4475 public int checkSignatures(String pkg1, String pkg2) { 4476 synchronized (mPackages) { 4477 final PackageParser.Package p1 = mPackages.get(pkg1); 4478 final PackageParser.Package p2 = mPackages.get(pkg2); 4479 if (p1 == null || p1.mExtras == null 4480 || p2 == null || p2.mExtras == null) { 4481 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4482 } 4483 return compareSignatures(p1.mSignatures, p2.mSignatures); 4484 } 4485 } 4486 4487 @Override 4488 public int checkUidSignatures(int uid1, int uid2) { 4489 // Map to base uids. 4490 uid1 = UserHandle.getAppId(uid1); 4491 uid2 = UserHandle.getAppId(uid2); 4492 // reader 4493 synchronized (mPackages) { 4494 Signature[] s1; 4495 Signature[] s2; 4496 Object obj = mSettings.getUserIdLPr(uid1); 4497 if (obj != null) { 4498 if (obj instanceof SharedUserSetting) { 4499 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4500 } else if (obj instanceof PackageSetting) { 4501 s1 = ((PackageSetting)obj).signatures.mSignatures; 4502 } else { 4503 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4504 } 4505 } else { 4506 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4507 } 4508 obj = mSettings.getUserIdLPr(uid2); 4509 if (obj != null) { 4510 if (obj instanceof SharedUserSetting) { 4511 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4512 } else if (obj instanceof PackageSetting) { 4513 s2 = ((PackageSetting)obj).signatures.mSignatures; 4514 } else { 4515 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4516 } 4517 } else { 4518 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4519 } 4520 return compareSignatures(s1, s2); 4521 } 4522 } 4523 4524 /** 4525 * This method should typically only be used when granting or revoking 4526 * permissions, since the app may immediately restart after this call. 4527 * <p> 4528 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 4529 * guard your work against the app being relaunched. 4530 */ 4531 private void killUid(int appId, int userId, String reason) { 4532 final long identity = Binder.clearCallingIdentity(); 4533 try { 4534 IActivityManager am = ActivityManagerNative.getDefault(); 4535 if (am != null) { 4536 try { 4537 am.killUid(appId, userId, reason); 4538 } catch (RemoteException e) { 4539 /* ignore - same process */ 4540 } 4541 } 4542 } finally { 4543 Binder.restoreCallingIdentity(identity); 4544 } 4545 } 4546 4547 /** 4548 * Compares two sets of signatures. Returns: 4549 * <br /> 4550 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4551 * <br /> 4552 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4553 * <br /> 4554 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4555 * <br /> 4556 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4557 * <br /> 4558 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4559 */ 4560 static int compareSignatures(Signature[] s1, Signature[] s2) { 4561 if (s1 == null) { 4562 return s2 == null 4563 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4564 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4565 } 4566 4567 if (s2 == null) { 4568 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4569 } 4570 4571 if (s1.length != s2.length) { 4572 return PackageManager.SIGNATURE_NO_MATCH; 4573 } 4574 4575 // Since both signature sets are of size 1, we can compare without HashSets. 4576 if (s1.length == 1) { 4577 return s1[0].equals(s2[0]) ? 4578 PackageManager.SIGNATURE_MATCH : 4579 PackageManager.SIGNATURE_NO_MATCH; 4580 } 4581 4582 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4583 for (Signature sig : s1) { 4584 set1.add(sig); 4585 } 4586 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4587 for (Signature sig : s2) { 4588 set2.add(sig); 4589 } 4590 // Make sure s2 contains all signatures in s1. 4591 if (set1.equals(set2)) { 4592 return PackageManager.SIGNATURE_MATCH; 4593 } 4594 return PackageManager.SIGNATURE_NO_MATCH; 4595 } 4596 4597 /** 4598 * If the database version for this type of package (internal storage or 4599 * external storage) is less than the version where package signatures 4600 * were updated, return true. 4601 */ 4602 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4603 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4604 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4605 } 4606 4607 /** 4608 * Used for backward compatibility to make sure any packages with 4609 * certificate chains get upgraded to the new style. {@code existingSigs} 4610 * will be in the old format (since they were stored on disk from before the 4611 * system upgrade) and {@code scannedSigs} will be in the newer format. 4612 */ 4613 private int compareSignaturesCompat(PackageSignatures existingSigs, 4614 PackageParser.Package scannedPkg) { 4615 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4616 return PackageManager.SIGNATURE_NO_MATCH; 4617 } 4618 4619 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4620 for (Signature sig : existingSigs.mSignatures) { 4621 existingSet.add(sig); 4622 } 4623 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4624 for (Signature sig : scannedPkg.mSignatures) { 4625 try { 4626 Signature[] chainSignatures = sig.getChainSignatures(); 4627 for (Signature chainSig : chainSignatures) { 4628 scannedCompatSet.add(chainSig); 4629 } 4630 } catch (CertificateEncodingException e) { 4631 scannedCompatSet.add(sig); 4632 } 4633 } 4634 /* 4635 * Make sure the expanded scanned set contains all signatures in the 4636 * existing one. 4637 */ 4638 if (scannedCompatSet.equals(existingSet)) { 4639 // Migrate the old signatures to the new scheme. 4640 existingSigs.assignSignatures(scannedPkg.mSignatures); 4641 // The new KeySets will be re-added later in the scanning process. 4642 synchronized (mPackages) { 4643 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4644 } 4645 return PackageManager.SIGNATURE_MATCH; 4646 } 4647 return PackageManager.SIGNATURE_NO_MATCH; 4648 } 4649 4650 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4651 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4652 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4653 } 4654 4655 private int compareSignaturesRecover(PackageSignatures existingSigs, 4656 PackageParser.Package scannedPkg) { 4657 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4658 return PackageManager.SIGNATURE_NO_MATCH; 4659 } 4660 4661 String msg = null; 4662 try { 4663 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4664 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4665 + scannedPkg.packageName); 4666 return PackageManager.SIGNATURE_MATCH; 4667 } 4668 } catch (CertificateException e) { 4669 msg = e.getMessage(); 4670 } 4671 4672 logCriticalInfo(Log.INFO, 4673 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4674 return PackageManager.SIGNATURE_NO_MATCH; 4675 } 4676 4677 @Override 4678 public List<String> getAllPackages() { 4679 synchronized (mPackages) { 4680 return new ArrayList<String>(mPackages.keySet()); 4681 } 4682 } 4683 4684 @Override 4685 public String[] getPackagesForUid(int uid) { 4686 uid = UserHandle.getAppId(uid); 4687 // reader 4688 synchronized (mPackages) { 4689 Object obj = mSettings.getUserIdLPr(uid); 4690 if (obj instanceof SharedUserSetting) { 4691 final SharedUserSetting sus = (SharedUserSetting) obj; 4692 final int N = sus.packages.size(); 4693 final String[] res = new String[N]; 4694 final Iterator<PackageSetting> it = sus.packages.iterator(); 4695 int i = 0; 4696 while (it.hasNext()) { 4697 res[i++] = it.next().name; 4698 } 4699 return res; 4700 } else if (obj instanceof PackageSetting) { 4701 final PackageSetting ps = (PackageSetting) obj; 4702 return new String[] { ps.name }; 4703 } 4704 } 4705 return null; 4706 } 4707 4708 @Override 4709 public String getNameForUid(int uid) { 4710 // reader 4711 synchronized (mPackages) { 4712 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4713 if (obj instanceof SharedUserSetting) { 4714 final SharedUserSetting sus = (SharedUserSetting) obj; 4715 return sus.name + ":" + sus.userId; 4716 } else if (obj instanceof PackageSetting) { 4717 final PackageSetting ps = (PackageSetting) obj; 4718 return ps.name; 4719 } 4720 } 4721 return null; 4722 } 4723 4724 @Override 4725 public int getUidForSharedUser(String sharedUserName) { 4726 if(sharedUserName == null) { 4727 return -1; 4728 } 4729 // reader 4730 synchronized (mPackages) { 4731 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4732 if (suid == null) { 4733 return -1; 4734 } 4735 return suid.userId; 4736 } 4737 } 4738 4739 @Override 4740 public int getFlagsForUid(int uid) { 4741 synchronized (mPackages) { 4742 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4743 if (obj instanceof SharedUserSetting) { 4744 final SharedUserSetting sus = (SharedUserSetting) obj; 4745 return sus.pkgFlags; 4746 } else if (obj instanceof PackageSetting) { 4747 final PackageSetting ps = (PackageSetting) obj; 4748 return ps.pkgFlags; 4749 } 4750 } 4751 return 0; 4752 } 4753 4754 @Override 4755 public int getPrivateFlagsForUid(int uid) { 4756 synchronized (mPackages) { 4757 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4758 if (obj instanceof SharedUserSetting) { 4759 final SharedUserSetting sus = (SharedUserSetting) obj; 4760 return sus.pkgPrivateFlags; 4761 } else if (obj instanceof PackageSetting) { 4762 final PackageSetting ps = (PackageSetting) obj; 4763 return ps.pkgPrivateFlags; 4764 } 4765 } 4766 return 0; 4767 } 4768 4769 @Override 4770 public boolean isUidPrivileged(int uid) { 4771 uid = UserHandle.getAppId(uid); 4772 // reader 4773 synchronized (mPackages) { 4774 Object obj = mSettings.getUserIdLPr(uid); 4775 if (obj instanceof SharedUserSetting) { 4776 final SharedUserSetting sus = (SharedUserSetting) obj; 4777 final Iterator<PackageSetting> it = sus.packages.iterator(); 4778 while (it.hasNext()) { 4779 if (it.next().isPrivileged()) { 4780 return true; 4781 } 4782 } 4783 } else if (obj instanceof PackageSetting) { 4784 final PackageSetting ps = (PackageSetting) obj; 4785 return ps.isPrivileged(); 4786 } 4787 } 4788 return false; 4789 } 4790 4791 @Override 4792 public String[] getAppOpPermissionPackages(String permissionName) { 4793 synchronized (mPackages) { 4794 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4795 if (pkgs == null) { 4796 return null; 4797 } 4798 return pkgs.toArray(new String[pkgs.size()]); 4799 } 4800 } 4801 4802 @Override 4803 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4804 int flags, int userId) { 4805 try { 4806 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 4807 4808 if (!sUserManager.exists(userId)) return null; 4809 flags = updateFlagsForResolve(flags, userId, intent); 4810 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4811 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 4812 4813 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 4814 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 4815 flags, userId); 4816 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4817 4818 final ResolveInfo bestChoice = 4819 chooseBestActivity(intent, resolvedType, flags, query, userId); 4820 4821 if (isEphemeralAllowed(intent, query, userId)) { 4822 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 4823 final EphemeralResolveInfo ai = 4824 getEphemeralResolveInfo(intent, resolvedType, userId); 4825 if (ai != null) { 4826 if (DEBUG_EPHEMERAL) { 4827 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4828 } 4829 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4830 bestChoice.ephemeralResolveInfo = ai; 4831 } 4832 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4833 } 4834 return bestChoice; 4835 } finally { 4836 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 4837 } 4838 } 4839 4840 @Override 4841 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4842 IntentFilter filter, int match, ComponentName activity) { 4843 final int userId = UserHandle.getCallingUserId(); 4844 if (DEBUG_PREFERRED) { 4845 Log.v(TAG, "setLastChosenActivity intent=" + intent 4846 + " resolvedType=" + resolvedType 4847 + " flags=" + flags 4848 + " filter=" + filter 4849 + " match=" + match 4850 + " activity=" + activity); 4851 filter.dump(new PrintStreamPrinter(System.out), " "); 4852 } 4853 intent.setComponent(null); 4854 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4855 userId); 4856 // Find any earlier preferred or last chosen entries and nuke them 4857 findPreferredActivity(intent, resolvedType, 4858 flags, query, 0, false, true, false, userId); 4859 // Add the new activity as the last chosen for this filter 4860 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4861 "Setting last chosen"); 4862 } 4863 4864 @Override 4865 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4866 final int userId = UserHandle.getCallingUserId(); 4867 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4868 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4869 userId); 4870 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4871 false, false, false, userId); 4872 } 4873 4874 4875 private boolean isEphemeralAllowed( 4876 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4877 // Short circuit and return early if possible. 4878 if (DISABLE_EPHEMERAL_APPS) { 4879 return false; 4880 } 4881 final int callingUser = UserHandle.getCallingUserId(); 4882 if (callingUser != UserHandle.USER_SYSTEM) { 4883 return false; 4884 } 4885 if (mEphemeralResolverConnection == null) { 4886 return false; 4887 } 4888 if (intent.getComponent() != null) { 4889 return false; 4890 } 4891 if (intent.getPackage() != null) { 4892 return false; 4893 } 4894 final boolean isWebUri = hasWebURI(intent); 4895 if (!isWebUri) { 4896 return false; 4897 } 4898 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4899 synchronized (mPackages) { 4900 final int count = resolvedActivites.size(); 4901 for (int n = 0; n < count; n++) { 4902 ResolveInfo info = resolvedActivites.get(n); 4903 String packageName = info.activityInfo.packageName; 4904 PackageSetting ps = mSettings.mPackages.get(packageName); 4905 if (ps != null) { 4906 // Try to get the status from User settings first 4907 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4908 int status = (int) (packedStatus >> 32); 4909 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4910 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4911 if (DEBUG_EPHEMERAL) { 4912 Slog.v(TAG, "DENY ephemeral apps;" 4913 + " pkg: " + packageName + ", status: " + status); 4914 } 4915 return false; 4916 } 4917 } 4918 } 4919 } 4920 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4921 return true; 4922 } 4923 4924 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4925 int userId) { 4926 MessageDigest digest = null; 4927 try { 4928 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4929 } catch (NoSuchAlgorithmException e) { 4930 // If we can't create a digest, ignore ephemeral apps. 4931 return null; 4932 } 4933 4934 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4935 final byte[] digestBytes = digest.digest(hostBytes); 4936 int shaPrefix = 4937 digestBytes[0] << 24 4938 | digestBytes[1] << 16 4939 | digestBytes[2] << 8 4940 | digestBytes[3] << 0; 4941 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4942 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4943 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4944 // No hash prefix match; there are no ephemeral apps for this domain. 4945 return null; 4946 } 4947 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4948 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4949 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4950 continue; 4951 } 4952 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4953 // No filters; this should never happen. 4954 if (filters.isEmpty()) { 4955 continue; 4956 } 4957 // We have a domain match; resolve the filters to see if anything matches. 4958 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4959 for (int j = filters.size() - 1; j >= 0; --j) { 4960 final EphemeralResolveIntentInfo intentInfo = 4961 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4962 ephemeralResolver.addFilter(intentInfo); 4963 } 4964 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4965 intent, resolvedType, false /*defaultOnly*/, userId); 4966 if (!matchedResolveInfoList.isEmpty()) { 4967 return matchedResolveInfoList.get(0); 4968 } 4969 } 4970 // Hash or filter mis-match; no ephemeral apps for this domain. 4971 return null; 4972 } 4973 4974 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4975 int flags, List<ResolveInfo> query, int userId) { 4976 if (query != null) { 4977 final int N = query.size(); 4978 if (N == 1) { 4979 return query.get(0); 4980 } else if (N > 1) { 4981 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4982 // If there is more than one activity with the same priority, 4983 // then let the user decide between them. 4984 ResolveInfo r0 = query.get(0); 4985 ResolveInfo r1 = query.get(1); 4986 if (DEBUG_INTENT_MATCHING || debug) { 4987 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4988 + r1.activityInfo.name + "=" + r1.priority); 4989 } 4990 // If the first activity has a higher priority, or a different 4991 // default, then it is always desirable to pick it. 4992 if (r0.priority != r1.priority 4993 || r0.preferredOrder != r1.preferredOrder 4994 || r0.isDefault != r1.isDefault) { 4995 return query.get(0); 4996 } 4997 // If we have saved a preference for a preferred activity for 4998 // this Intent, use that. 4999 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5000 flags, query, r0.priority, true, false, debug, userId); 5001 if (ri != null) { 5002 return ri; 5003 } 5004 ri = new ResolveInfo(mResolveInfo); 5005 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5006 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5007 ri.activityInfo.applicationInfo = new ApplicationInfo( 5008 ri.activityInfo.applicationInfo); 5009 if (userId != 0) { 5010 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5011 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5012 } 5013 // Make sure that the resolver is displayable in car mode 5014 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5015 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5016 return ri; 5017 } 5018 } 5019 return null; 5020 } 5021 5022 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5023 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5024 final int N = query.size(); 5025 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5026 .get(userId); 5027 // Get the list of persistent preferred activities that handle the intent 5028 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5029 List<PersistentPreferredActivity> pprefs = ppir != null 5030 ? ppir.queryIntent(intent, resolvedType, 5031 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5032 : null; 5033 if (pprefs != null && pprefs.size() > 0) { 5034 final int M = pprefs.size(); 5035 for (int i=0; i<M; i++) { 5036 final PersistentPreferredActivity ppa = pprefs.get(i); 5037 if (DEBUG_PREFERRED || debug) { 5038 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5039 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5040 + "\n component=" + ppa.mComponent); 5041 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5042 } 5043 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5044 flags | MATCH_DISABLED_COMPONENTS, userId); 5045 if (DEBUG_PREFERRED || debug) { 5046 Slog.v(TAG, "Found persistent preferred activity:"); 5047 if (ai != null) { 5048 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5049 } else { 5050 Slog.v(TAG, " null"); 5051 } 5052 } 5053 if (ai == null) { 5054 // This previously registered persistent preferred activity 5055 // component is no longer known. Ignore it and do NOT remove it. 5056 continue; 5057 } 5058 for (int j=0; j<N; j++) { 5059 final ResolveInfo ri = query.get(j); 5060 if (!ri.activityInfo.applicationInfo.packageName 5061 .equals(ai.applicationInfo.packageName)) { 5062 continue; 5063 } 5064 if (!ri.activityInfo.name.equals(ai.name)) { 5065 continue; 5066 } 5067 // Found a persistent preference that can handle the intent. 5068 if (DEBUG_PREFERRED || debug) { 5069 Slog.v(TAG, "Returning persistent preferred activity: " + 5070 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5071 } 5072 return ri; 5073 } 5074 } 5075 } 5076 return null; 5077 } 5078 5079 // TODO: handle preferred activities missing while user has amnesia 5080 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5081 List<ResolveInfo> query, int priority, boolean always, 5082 boolean removeMatches, boolean debug, int userId) { 5083 if (!sUserManager.exists(userId)) return null; 5084 flags = updateFlagsForResolve(flags, userId, intent); 5085 // writer 5086 synchronized (mPackages) { 5087 if (intent.getSelector() != null) { 5088 intent = intent.getSelector(); 5089 } 5090 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 5091 5092 // Try to find a matching persistent preferred activity. 5093 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5094 debug, userId); 5095 5096 // If a persistent preferred activity matched, use it. 5097 if (pri != null) { 5098 return pri; 5099 } 5100 5101 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5102 // Get the list of preferred activities that handle the intent 5103 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5104 List<PreferredActivity> prefs = pir != null 5105 ? pir.queryIntent(intent, resolvedType, 5106 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 5107 : null; 5108 if (prefs != null && prefs.size() > 0) { 5109 boolean changed = false; 5110 try { 5111 // First figure out how good the original match set is. 5112 // We will only allow preferred activities that came 5113 // from the same match quality. 5114 int match = 0; 5115 5116 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5117 5118 final int N = query.size(); 5119 for (int j=0; j<N; j++) { 5120 final ResolveInfo ri = query.get(j); 5121 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5122 + ": 0x" + Integer.toHexString(match)); 5123 if (ri.match > match) { 5124 match = ri.match; 5125 } 5126 } 5127 5128 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5129 + Integer.toHexString(match)); 5130 5131 match &= IntentFilter.MATCH_CATEGORY_MASK; 5132 final int M = prefs.size(); 5133 for (int i=0; i<M; i++) { 5134 final PreferredActivity pa = prefs.get(i); 5135 if (DEBUG_PREFERRED || debug) { 5136 Slog.v(TAG, "Checking PreferredActivity ds=" 5137 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5138 + "\n component=" + pa.mPref.mComponent); 5139 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5140 } 5141 if (pa.mPref.mMatch != match) { 5142 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5143 + Integer.toHexString(pa.mPref.mMatch)); 5144 continue; 5145 } 5146 // If it's not an "always" type preferred activity and that's what we're 5147 // looking for, skip it. 5148 if (always && !pa.mPref.mAlways) { 5149 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5150 continue; 5151 } 5152 final ActivityInfo ai = getActivityInfo( 5153 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5154 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5155 userId); 5156 if (DEBUG_PREFERRED || debug) { 5157 Slog.v(TAG, "Found preferred activity:"); 5158 if (ai != null) { 5159 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5160 } else { 5161 Slog.v(TAG, " null"); 5162 } 5163 } 5164 if (ai == null) { 5165 // This previously registered preferred activity 5166 // component is no longer known. Most likely an update 5167 // to the app was installed and in the new version this 5168 // component no longer exists. Clean it up by removing 5169 // it from the preferred activities list, and skip it. 5170 Slog.w(TAG, "Removing dangling preferred activity: " 5171 + pa.mPref.mComponent); 5172 pir.removeFilter(pa); 5173 changed = true; 5174 continue; 5175 } 5176 for (int j=0; j<N; j++) { 5177 final ResolveInfo ri = query.get(j); 5178 if (!ri.activityInfo.applicationInfo.packageName 5179 .equals(ai.applicationInfo.packageName)) { 5180 continue; 5181 } 5182 if (!ri.activityInfo.name.equals(ai.name)) { 5183 continue; 5184 } 5185 5186 if (removeMatches) { 5187 pir.removeFilter(pa); 5188 changed = true; 5189 if (DEBUG_PREFERRED) { 5190 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5191 } 5192 break; 5193 } 5194 5195 // Okay we found a previously set preferred or last chosen app. 5196 // If the result set is different from when this 5197 // was created, we need to clear it and re-ask the 5198 // user their preference, if we're looking for an "always" type entry. 5199 if (always && !pa.mPref.sameSet(query)) { 5200 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5201 + intent + " type " + resolvedType); 5202 if (DEBUG_PREFERRED) { 5203 Slog.v(TAG, "Removing preferred activity since set changed " 5204 + pa.mPref.mComponent); 5205 } 5206 pir.removeFilter(pa); 5207 // Re-add the filter as a "last chosen" entry (!always) 5208 PreferredActivity lastChosen = new PreferredActivity( 5209 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5210 pir.addFilter(lastChosen); 5211 changed = true; 5212 return null; 5213 } 5214 5215 // Yay! Either the set matched or we're looking for the last chosen 5216 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5217 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5218 return ri; 5219 } 5220 } 5221 } finally { 5222 if (changed) { 5223 if (DEBUG_PREFERRED) { 5224 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5225 } 5226 scheduleWritePackageRestrictionsLocked(userId); 5227 } 5228 } 5229 } 5230 } 5231 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5232 return null; 5233 } 5234 5235 /* 5236 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5237 */ 5238 @Override 5239 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5240 int targetUserId) { 5241 mContext.enforceCallingOrSelfPermission( 5242 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5243 List<CrossProfileIntentFilter> matches = 5244 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5245 if (matches != null) { 5246 int size = matches.size(); 5247 for (int i = 0; i < size; i++) { 5248 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5249 } 5250 } 5251 if (hasWebURI(intent)) { 5252 // cross-profile app linking works only towards the parent. 5253 final UserInfo parent = getProfileParent(sourceUserId); 5254 synchronized(mPackages) { 5255 int flags = updateFlagsForResolve(0, parent.id, intent); 5256 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5257 intent, resolvedType, flags, sourceUserId, parent.id); 5258 return xpDomainInfo != null; 5259 } 5260 } 5261 return false; 5262 } 5263 5264 private UserInfo getProfileParent(int userId) { 5265 final long identity = Binder.clearCallingIdentity(); 5266 try { 5267 return sUserManager.getProfileParent(userId); 5268 } finally { 5269 Binder.restoreCallingIdentity(identity); 5270 } 5271 } 5272 5273 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5274 String resolvedType, int userId) { 5275 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5276 if (resolver != null) { 5277 return resolver.queryIntent(intent, resolvedType, false, userId); 5278 } 5279 return null; 5280 } 5281 5282 @Override 5283 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5284 String resolvedType, int flags, int userId) { 5285 try { 5286 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5287 5288 return new ParceledListSlice<>( 5289 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5290 } finally { 5291 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5292 } 5293 } 5294 5295 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5296 String resolvedType, int flags, int userId) { 5297 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5298 flags = updateFlagsForResolve(flags, userId, intent); 5299 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5300 false /* requireFullPermission */, false /* checkShell */, 5301 "query intent activities"); 5302 ComponentName comp = intent.getComponent(); 5303 if (comp == null) { 5304 if (intent.getSelector() != null) { 5305 intent = intent.getSelector(); 5306 comp = intent.getComponent(); 5307 } 5308 } 5309 5310 if (comp != null) { 5311 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5312 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5313 if (ai != null) { 5314 final ResolveInfo ri = new ResolveInfo(); 5315 ri.activityInfo = ai; 5316 list.add(ri); 5317 } 5318 return list; 5319 } 5320 5321 // reader 5322 synchronized (mPackages) { 5323 final String pkgName = intent.getPackage(); 5324 if (pkgName == null) { 5325 List<CrossProfileIntentFilter> matchingFilters = 5326 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5327 // Check for results that need to skip the current profile. 5328 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5329 resolvedType, flags, userId); 5330 if (xpResolveInfo != null) { 5331 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5332 result.add(xpResolveInfo); 5333 return filterIfNotSystemUser(result, userId); 5334 } 5335 5336 // Check for results in the current profile. 5337 List<ResolveInfo> result = mActivities.queryIntent( 5338 intent, resolvedType, flags, userId); 5339 result = filterIfNotSystemUser(result, userId); 5340 5341 // Check for cross profile results. 5342 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5343 xpResolveInfo = queryCrossProfileIntents( 5344 matchingFilters, intent, resolvedType, flags, userId, 5345 hasNonNegativePriorityResult); 5346 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5347 boolean isVisibleToUser = filterIfNotSystemUser( 5348 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5349 if (isVisibleToUser) { 5350 result.add(xpResolveInfo); 5351 Collections.sort(result, mResolvePrioritySorter); 5352 } 5353 } 5354 if (hasWebURI(intent)) { 5355 CrossProfileDomainInfo xpDomainInfo = null; 5356 final UserInfo parent = getProfileParent(userId); 5357 if (parent != null) { 5358 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5359 flags, userId, parent.id); 5360 } 5361 if (xpDomainInfo != null) { 5362 if (xpResolveInfo != null) { 5363 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5364 // in the result. 5365 result.remove(xpResolveInfo); 5366 } 5367 if (result.size() == 0) { 5368 result.add(xpDomainInfo.resolveInfo); 5369 return result; 5370 } 5371 } else if (result.size() <= 1) { 5372 return result; 5373 } 5374 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5375 xpDomainInfo, userId); 5376 Collections.sort(result, mResolvePrioritySorter); 5377 } 5378 return result; 5379 } 5380 final PackageParser.Package pkg = mPackages.get(pkgName); 5381 if (pkg != null) { 5382 return filterIfNotSystemUser( 5383 mActivities.queryIntentForPackage( 5384 intent, resolvedType, flags, pkg.activities, userId), 5385 userId); 5386 } 5387 return new ArrayList<ResolveInfo>(); 5388 } 5389 } 5390 5391 private static class CrossProfileDomainInfo { 5392 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5393 ResolveInfo resolveInfo; 5394 /* Best domain verification status of the activities found in the other profile */ 5395 int bestDomainVerificationStatus; 5396 } 5397 5398 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5399 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5400 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5401 sourceUserId)) { 5402 return null; 5403 } 5404 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5405 resolvedType, flags, parentUserId); 5406 5407 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5408 return null; 5409 } 5410 CrossProfileDomainInfo result = null; 5411 int size = resultTargetUser.size(); 5412 for (int i = 0; i < size; i++) { 5413 ResolveInfo riTargetUser = resultTargetUser.get(i); 5414 // Intent filter verification is only for filters that specify a host. So don't return 5415 // those that handle all web uris. 5416 if (riTargetUser.handleAllWebDataURI) { 5417 continue; 5418 } 5419 String packageName = riTargetUser.activityInfo.packageName; 5420 PackageSetting ps = mSettings.mPackages.get(packageName); 5421 if (ps == null) { 5422 continue; 5423 } 5424 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5425 int status = (int)(verificationState >> 32); 5426 if (result == null) { 5427 result = new CrossProfileDomainInfo(); 5428 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5429 sourceUserId, parentUserId); 5430 result.bestDomainVerificationStatus = status; 5431 } else { 5432 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5433 result.bestDomainVerificationStatus); 5434 } 5435 } 5436 // Don't consider matches with status NEVER across profiles. 5437 if (result != null && result.bestDomainVerificationStatus 5438 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5439 return null; 5440 } 5441 return result; 5442 } 5443 5444 /** 5445 * Verification statuses are ordered from the worse to the best, except for 5446 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5447 */ 5448 private int bestDomainVerificationStatus(int status1, int status2) { 5449 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5450 return status2; 5451 } 5452 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5453 return status1; 5454 } 5455 return (int) MathUtils.max(status1, status2); 5456 } 5457 5458 private boolean isUserEnabled(int userId) { 5459 long callingId = Binder.clearCallingIdentity(); 5460 try { 5461 UserInfo userInfo = sUserManager.getUserInfo(userId); 5462 return userInfo != null && userInfo.isEnabled(); 5463 } finally { 5464 Binder.restoreCallingIdentity(callingId); 5465 } 5466 } 5467 5468 /** 5469 * Filter out activities with systemUserOnly flag set, when current user is not System. 5470 * 5471 * @return filtered list 5472 */ 5473 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5474 if (userId == UserHandle.USER_SYSTEM) { 5475 return resolveInfos; 5476 } 5477 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5478 ResolveInfo info = resolveInfos.get(i); 5479 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5480 resolveInfos.remove(i); 5481 } 5482 } 5483 return resolveInfos; 5484 } 5485 5486 /** 5487 * @param resolveInfos list of resolve infos in descending priority order 5488 * @return if the list contains a resolve info with non-negative priority 5489 */ 5490 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5491 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5492 } 5493 5494 private static boolean hasWebURI(Intent intent) { 5495 if (intent.getData() == null) { 5496 return false; 5497 } 5498 final String scheme = intent.getScheme(); 5499 if (TextUtils.isEmpty(scheme)) { 5500 return false; 5501 } 5502 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5503 } 5504 5505 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5506 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5507 int userId) { 5508 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5509 5510 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5511 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5512 candidates.size()); 5513 } 5514 5515 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5516 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5517 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5518 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5519 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5520 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5521 5522 synchronized (mPackages) { 5523 final int count = candidates.size(); 5524 // First, try to use linked apps. Partition the candidates into four lists: 5525 // one for the final results, one for the "do not use ever", one for "undefined status" 5526 // and finally one for "browser app type". 5527 for (int n=0; n<count; n++) { 5528 ResolveInfo info = candidates.get(n); 5529 String packageName = info.activityInfo.packageName; 5530 PackageSetting ps = mSettings.mPackages.get(packageName); 5531 if (ps != null) { 5532 // Add to the special match all list (Browser use case) 5533 if (info.handleAllWebDataURI) { 5534 matchAllList.add(info); 5535 continue; 5536 } 5537 // Try to get the status from User settings first 5538 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5539 int status = (int)(packedStatus >> 32); 5540 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5541 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5542 if (DEBUG_DOMAIN_VERIFICATION) { 5543 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5544 + " : linkgen=" + linkGeneration); 5545 } 5546 // Use link-enabled generation as preferredOrder, i.e. 5547 // prefer newly-enabled over earlier-enabled. 5548 info.preferredOrder = linkGeneration; 5549 alwaysList.add(info); 5550 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5551 if (DEBUG_DOMAIN_VERIFICATION) { 5552 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5553 } 5554 neverList.add(info); 5555 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5556 if (DEBUG_DOMAIN_VERIFICATION) { 5557 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5558 } 5559 alwaysAskList.add(info); 5560 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5561 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5562 if (DEBUG_DOMAIN_VERIFICATION) { 5563 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5564 } 5565 undefinedList.add(info); 5566 } 5567 } 5568 } 5569 5570 // We'll want to include browser possibilities in a few cases 5571 boolean includeBrowser = false; 5572 5573 // First try to add the "always" resolution(s) for the current user, if any 5574 if (alwaysList.size() > 0) { 5575 result.addAll(alwaysList); 5576 } else { 5577 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5578 result.addAll(undefinedList); 5579 // Maybe add one for the other profile. 5580 if (xpDomainInfo != null && ( 5581 xpDomainInfo.bestDomainVerificationStatus 5582 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5583 result.add(xpDomainInfo.resolveInfo); 5584 } 5585 includeBrowser = true; 5586 } 5587 5588 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5589 // If there were 'always' entries their preferred order has been set, so we also 5590 // back that off to make the alternatives equivalent 5591 if (alwaysAskList.size() > 0) { 5592 for (ResolveInfo i : result) { 5593 i.preferredOrder = 0; 5594 } 5595 result.addAll(alwaysAskList); 5596 includeBrowser = true; 5597 } 5598 5599 if (includeBrowser) { 5600 // Also add browsers (all of them or only the default one) 5601 if (DEBUG_DOMAIN_VERIFICATION) { 5602 Slog.v(TAG, " ...including browsers in candidate set"); 5603 } 5604 if ((matchFlags & MATCH_ALL) != 0) { 5605 result.addAll(matchAllList); 5606 } else { 5607 // Browser/generic handling case. If there's a default browser, go straight 5608 // to that (but only if there is no other higher-priority match). 5609 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5610 int maxMatchPrio = 0; 5611 ResolveInfo defaultBrowserMatch = null; 5612 final int numCandidates = matchAllList.size(); 5613 for (int n = 0; n < numCandidates; n++) { 5614 ResolveInfo info = matchAllList.get(n); 5615 // track the highest overall match priority... 5616 if (info.priority > maxMatchPrio) { 5617 maxMatchPrio = info.priority; 5618 } 5619 // ...and the highest-priority default browser match 5620 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5621 if (defaultBrowserMatch == null 5622 || (defaultBrowserMatch.priority < info.priority)) { 5623 if (debug) { 5624 Slog.v(TAG, "Considering default browser match " + info); 5625 } 5626 defaultBrowserMatch = info; 5627 } 5628 } 5629 } 5630 if (defaultBrowserMatch != null 5631 && defaultBrowserMatch.priority >= maxMatchPrio 5632 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5633 { 5634 if (debug) { 5635 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5636 } 5637 result.add(defaultBrowserMatch); 5638 } else { 5639 result.addAll(matchAllList); 5640 } 5641 } 5642 5643 // If there is nothing selected, add all candidates and remove the ones that the user 5644 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5645 if (result.size() == 0) { 5646 result.addAll(candidates); 5647 result.removeAll(neverList); 5648 } 5649 } 5650 } 5651 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5652 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5653 result.size()); 5654 for (ResolveInfo info : result) { 5655 Slog.v(TAG, " + " + info.activityInfo); 5656 } 5657 } 5658 return result; 5659 } 5660 5661 // Returns a packed value as a long: 5662 // 5663 // high 'int'-sized word: link status: undefined/ask/never/always. 5664 // low 'int'-sized word: relative priority among 'always' results. 5665 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5666 long result = ps.getDomainVerificationStatusForUser(userId); 5667 // if none available, get the master status 5668 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5669 if (ps.getIntentFilterVerificationInfo() != null) { 5670 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5671 } 5672 } 5673 return result; 5674 } 5675 5676 private ResolveInfo querySkipCurrentProfileIntents( 5677 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5678 int flags, int sourceUserId) { 5679 if (matchingFilters != null) { 5680 int size = matchingFilters.size(); 5681 for (int i = 0; i < size; i ++) { 5682 CrossProfileIntentFilter filter = matchingFilters.get(i); 5683 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5684 // Checking if there are activities in the target user that can handle the 5685 // intent. 5686 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5687 resolvedType, flags, sourceUserId); 5688 if (resolveInfo != null) { 5689 return resolveInfo; 5690 } 5691 } 5692 } 5693 } 5694 return null; 5695 } 5696 5697 // Return matching ResolveInfo in target user if any. 5698 private ResolveInfo queryCrossProfileIntents( 5699 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5700 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5701 if (matchingFilters != null) { 5702 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5703 // match the same intent. For performance reasons, it is better not to 5704 // run queryIntent twice for the same userId 5705 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5706 int size = matchingFilters.size(); 5707 for (int i = 0; i < size; i++) { 5708 CrossProfileIntentFilter filter = matchingFilters.get(i); 5709 int targetUserId = filter.getTargetUserId(); 5710 boolean skipCurrentProfile = 5711 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5712 boolean skipCurrentProfileIfNoMatchFound = 5713 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5714 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5715 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5716 // Checking if there are activities in the target user that can handle the 5717 // intent. 5718 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5719 resolvedType, flags, sourceUserId); 5720 if (resolveInfo != null) return resolveInfo; 5721 alreadyTriedUserIds.put(targetUserId, true); 5722 } 5723 } 5724 } 5725 return null; 5726 } 5727 5728 /** 5729 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5730 * will forward the intent to the filter's target user. 5731 * Otherwise, returns null. 5732 */ 5733 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5734 String resolvedType, int flags, int sourceUserId) { 5735 int targetUserId = filter.getTargetUserId(); 5736 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5737 resolvedType, flags, targetUserId); 5738 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5739 // If all the matches in the target profile are suspended, return null. 5740 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5741 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5742 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5743 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5744 targetUserId); 5745 } 5746 } 5747 } 5748 return null; 5749 } 5750 5751 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5752 int sourceUserId, int targetUserId) { 5753 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5754 long ident = Binder.clearCallingIdentity(); 5755 boolean targetIsProfile; 5756 try { 5757 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5758 } finally { 5759 Binder.restoreCallingIdentity(ident); 5760 } 5761 String className; 5762 if (targetIsProfile) { 5763 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5764 } else { 5765 className = FORWARD_INTENT_TO_PARENT; 5766 } 5767 ComponentName forwardingActivityComponentName = new ComponentName( 5768 mAndroidApplication.packageName, className); 5769 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5770 sourceUserId); 5771 if (!targetIsProfile) { 5772 forwardingActivityInfo.showUserIcon = targetUserId; 5773 forwardingResolveInfo.noResourceId = true; 5774 } 5775 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5776 forwardingResolveInfo.priority = 0; 5777 forwardingResolveInfo.preferredOrder = 0; 5778 forwardingResolveInfo.match = 0; 5779 forwardingResolveInfo.isDefault = true; 5780 forwardingResolveInfo.filter = filter; 5781 forwardingResolveInfo.targetUserId = targetUserId; 5782 return forwardingResolveInfo; 5783 } 5784 5785 @Override 5786 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5787 Intent[] specifics, String[] specificTypes, Intent intent, 5788 String resolvedType, int flags, int userId) { 5789 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5790 specificTypes, intent, resolvedType, flags, userId)); 5791 } 5792 5793 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5794 Intent[] specifics, String[] specificTypes, Intent intent, 5795 String resolvedType, int flags, int userId) { 5796 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5797 flags = updateFlagsForResolve(flags, userId, intent); 5798 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5799 false /* requireFullPermission */, false /* checkShell */, 5800 "query intent activity options"); 5801 final String resultsAction = intent.getAction(); 5802 5803 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5804 | PackageManager.GET_RESOLVED_FILTER, userId); 5805 5806 if (DEBUG_INTENT_MATCHING) { 5807 Log.v(TAG, "Query " + intent + ": " + results); 5808 } 5809 5810 int specificsPos = 0; 5811 int N; 5812 5813 // todo: note that the algorithm used here is O(N^2). This 5814 // isn't a problem in our current environment, but if we start running 5815 // into situations where we have more than 5 or 10 matches then this 5816 // should probably be changed to something smarter... 5817 5818 // First we go through and resolve each of the specific items 5819 // that were supplied, taking care of removing any corresponding 5820 // duplicate items in the generic resolve list. 5821 if (specifics != null) { 5822 for (int i=0; i<specifics.length; i++) { 5823 final Intent sintent = specifics[i]; 5824 if (sintent == null) { 5825 continue; 5826 } 5827 5828 if (DEBUG_INTENT_MATCHING) { 5829 Log.v(TAG, "Specific #" + i + ": " + sintent); 5830 } 5831 5832 String action = sintent.getAction(); 5833 if (resultsAction != null && resultsAction.equals(action)) { 5834 // If this action was explicitly requested, then don't 5835 // remove things that have it. 5836 action = null; 5837 } 5838 5839 ResolveInfo ri = null; 5840 ActivityInfo ai = null; 5841 5842 ComponentName comp = sintent.getComponent(); 5843 if (comp == null) { 5844 ri = resolveIntent( 5845 sintent, 5846 specificTypes != null ? specificTypes[i] : null, 5847 flags, userId); 5848 if (ri == null) { 5849 continue; 5850 } 5851 if (ri == mResolveInfo) { 5852 // ACK! Must do something better with this. 5853 } 5854 ai = ri.activityInfo; 5855 comp = new ComponentName(ai.applicationInfo.packageName, 5856 ai.name); 5857 } else { 5858 ai = getActivityInfo(comp, flags, userId); 5859 if (ai == null) { 5860 continue; 5861 } 5862 } 5863 5864 // Look for any generic query activities that are duplicates 5865 // of this specific one, and remove them from the results. 5866 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5867 N = results.size(); 5868 int j; 5869 for (j=specificsPos; j<N; j++) { 5870 ResolveInfo sri = results.get(j); 5871 if ((sri.activityInfo.name.equals(comp.getClassName()) 5872 && sri.activityInfo.applicationInfo.packageName.equals( 5873 comp.getPackageName())) 5874 || (action != null && sri.filter.matchAction(action))) { 5875 results.remove(j); 5876 if (DEBUG_INTENT_MATCHING) Log.v( 5877 TAG, "Removing duplicate item from " + j 5878 + " due to specific " + specificsPos); 5879 if (ri == null) { 5880 ri = sri; 5881 } 5882 j--; 5883 N--; 5884 } 5885 } 5886 5887 // Add this specific item to its proper place. 5888 if (ri == null) { 5889 ri = new ResolveInfo(); 5890 ri.activityInfo = ai; 5891 } 5892 results.add(specificsPos, ri); 5893 ri.specificIndex = i; 5894 specificsPos++; 5895 } 5896 } 5897 5898 // Now we go through the remaining generic results and remove any 5899 // duplicate actions that are found here. 5900 N = results.size(); 5901 for (int i=specificsPos; i<N-1; i++) { 5902 final ResolveInfo rii = results.get(i); 5903 if (rii.filter == null) { 5904 continue; 5905 } 5906 5907 // Iterate over all of the actions of this result's intent 5908 // filter... typically this should be just one. 5909 final Iterator<String> it = rii.filter.actionsIterator(); 5910 if (it == null) { 5911 continue; 5912 } 5913 while (it.hasNext()) { 5914 final String action = it.next(); 5915 if (resultsAction != null && resultsAction.equals(action)) { 5916 // If this action was explicitly requested, then don't 5917 // remove things that have it. 5918 continue; 5919 } 5920 for (int j=i+1; j<N; j++) { 5921 final ResolveInfo rij = results.get(j); 5922 if (rij.filter != null && rij.filter.hasAction(action)) { 5923 results.remove(j); 5924 if (DEBUG_INTENT_MATCHING) Log.v( 5925 TAG, "Removing duplicate item from " + j 5926 + " due to action " + action + " at " + i); 5927 j--; 5928 N--; 5929 } 5930 } 5931 } 5932 5933 // If the caller didn't request filter information, drop it now 5934 // so we don't have to marshall/unmarshall it. 5935 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5936 rii.filter = null; 5937 } 5938 } 5939 5940 // Filter out the caller activity if so requested. 5941 if (caller != null) { 5942 N = results.size(); 5943 for (int i=0; i<N; i++) { 5944 ActivityInfo ainfo = results.get(i).activityInfo; 5945 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5946 && caller.getClassName().equals(ainfo.name)) { 5947 results.remove(i); 5948 break; 5949 } 5950 } 5951 } 5952 5953 // If the caller didn't request filter information, 5954 // drop them now so we don't have to 5955 // marshall/unmarshall it. 5956 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5957 N = results.size(); 5958 for (int i=0; i<N; i++) { 5959 results.get(i).filter = null; 5960 } 5961 } 5962 5963 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5964 return results; 5965 } 5966 5967 @Override 5968 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5969 String resolvedType, int flags, int userId) { 5970 return new ParceledListSlice<>( 5971 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5972 } 5973 5974 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5975 String resolvedType, int flags, int userId) { 5976 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5977 flags = updateFlagsForResolve(flags, userId, intent); 5978 ComponentName comp = intent.getComponent(); 5979 if (comp == null) { 5980 if (intent.getSelector() != null) { 5981 intent = intent.getSelector(); 5982 comp = intent.getComponent(); 5983 } 5984 } 5985 if (comp != null) { 5986 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5987 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5988 if (ai != null) { 5989 ResolveInfo ri = new ResolveInfo(); 5990 ri.activityInfo = ai; 5991 list.add(ri); 5992 } 5993 return list; 5994 } 5995 5996 // reader 5997 synchronized (mPackages) { 5998 String pkgName = intent.getPackage(); 5999 if (pkgName == null) { 6000 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 6001 } 6002 final PackageParser.Package pkg = mPackages.get(pkgName); 6003 if (pkg != null) { 6004 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 6005 userId); 6006 } 6007 return Collections.emptyList(); 6008 } 6009 } 6010 6011 @Override 6012 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 6013 if (!sUserManager.exists(userId)) return null; 6014 flags = updateFlagsForResolve(flags, userId, intent); 6015 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 6016 if (query != null) { 6017 if (query.size() >= 1) { 6018 // If there is more than one service with the same priority, 6019 // just arbitrarily pick the first one. 6020 return query.get(0); 6021 } 6022 } 6023 return null; 6024 } 6025 6026 @Override 6027 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 6028 String resolvedType, int flags, int userId) { 6029 return new ParceledListSlice<>( 6030 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 6031 } 6032 6033 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 6034 String resolvedType, int flags, int userId) { 6035 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6036 flags = updateFlagsForResolve(flags, userId, intent); 6037 ComponentName comp = intent.getComponent(); 6038 if (comp == null) { 6039 if (intent.getSelector() != null) { 6040 intent = intent.getSelector(); 6041 comp = intent.getComponent(); 6042 } 6043 } 6044 if (comp != null) { 6045 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6046 final ServiceInfo si = getServiceInfo(comp, flags, userId); 6047 if (si != null) { 6048 final ResolveInfo ri = new ResolveInfo(); 6049 ri.serviceInfo = si; 6050 list.add(ri); 6051 } 6052 return list; 6053 } 6054 6055 // reader 6056 synchronized (mPackages) { 6057 String pkgName = intent.getPackage(); 6058 if (pkgName == null) { 6059 return mServices.queryIntent(intent, resolvedType, flags, userId); 6060 } 6061 final PackageParser.Package pkg = mPackages.get(pkgName); 6062 if (pkg != null) { 6063 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 6064 userId); 6065 } 6066 return Collections.emptyList(); 6067 } 6068 } 6069 6070 @Override 6071 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 6072 String resolvedType, int flags, int userId) { 6073 return new ParceledListSlice<>( 6074 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 6075 } 6076 6077 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 6078 Intent intent, String resolvedType, int flags, int userId) { 6079 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6080 flags = updateFlagsForResolve(flags, userId, intent); 6081 ComponentName comp = intent.getComponent(); 6082 if (comp == null) { 6083 if (intent.getSelector() != null) { 6084 intent = intent.getSelector(); 6085 comp = intent.getComponent(); 6086 } 6087 } 6088 if (comp != null) { 6089 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6090 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 6091 if (pi != null) { 6092 final ResolveInfo ri = new ResolveInfo(); 6093 ri.providerInfo = pi; 6094 list.add(ri); 6095 } 6096 return list; 6097 } 6098 6099 // reader 6100 synchronized (mPackages) { 6101 String pkgName = intent.getPackage(); 6102 if (pkgName == null) { 6103 return mProviders.queryIntent(intent, resolvedType, flags, userId); 6104 } 6105 final PackageParser.Package pkg = mPackages.get(pkgName); 6106 if (pkg != null) { 6107 return mProviders.queryIntentForPackage( 6108 intent, resolvedType, flags, pkg.providers, userId); 6109 } 6110 return Collections.emptyList(); 6111 } 6112 } 6113 6114 @Override 6115 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 6116 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6117 flags = updateFlagsForPackage(flags, userId, null); 6118 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6119 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6120 true /* requireFullPermission */, false /* checkShell */, 6121 "get installed packages"); 6122 6123 // writer 6124 synchronized (mPackages) { 6125 ArrayList<PackageInfo> list; 6126 if (listUninstalled) { 6127 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 6128 for (PackageSetting ps : mSettings.mPackages.values()) { 6129 final PackageInfo pi; 6130 if (ps.pkg != null) { 6131 pi = generatePackageInfo(ps, flags, userId); 6132 } else { 6133 pi = generatePackageInfo(ps, flags, userId); 6134 } 6135 if (pi != null) { 6136 list.add(pi); 6137 } 6138 } 6139 } else { 6140 list = new ArrayList<PackageInfo>(mPackages.size()); 6141 for (PackageParser.Package p : mPackages.values()) { 6142 final PackageInfo pi = 6143 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 6144 if (pi != null) { 6145 list.add(pi); 6146 } 6147 } 6148 } 6149 6150 return new ParceledListSlice<PackageInfo>(list); 6151 } 6152 } 6153 6154 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 6155 String[] permissions, boolean[] tmp, int flags, int userId) { 6156 int numMatch = 0; 6157 final PermissionsState permissionsState = ps.getPermissionsState(); 6158 for (int i=0; i<permissions.length; i++) { 6159 final String permission = permissions[i]; 6160 if (permissionsState.hasPermission(permission, userId)) { 6161 tmp[i] = true; 6162 numMatch++; 6163 } else { 6164 tmp[i] = false; 6165 } 6166 } 6167 if (numMatch == 0) { 6168 return; 6169 } 6170 final PackageInfo pi; 6171 if (ps.pkg != null) { 6172 pi = generatePackageInfo(ps, flags, userId); 6173 } else { 6174 pi = generatePackageInfo(ps, flags, userId); 6175 } 6176 // The above might return null in cases of uninstalled apps or install-state 6177 // skew across users/profiles. 6178 if (pi != null) { 6179 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6180 if (numMatch == permissions.length) { 6181 pi.requestedPermissions = permissions; 6182 } else { 6183 pi.requestedPermissions = new String[numMatch]; 6184 numMatch = 0; 6185 for (int i=0; i<permissions.length; i++) { 6186 if (tmp[i]) { 6187 pi.requestedPermissions[numMatch] = permissions[i]; 6188 numMatch++; 6189 } 6190 } 6191 } 6192 } 6193 list.add(pi); 6194 } 6195 } 6196 6197 @Override 6198 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6199 String[] permissions, int flags, int userId) { 6200 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6201 flags = updateFlagsForPackage(flags, userId, permissions); 6202 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6203 6204 // writer 6205 synchronized (mPackages) { 6206 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6207 boolean[] tmpBools = new boolean[permissions.length]; 6208 if (listUninstalled) { 6209 for (PackageSetting ps : mSettings.mPackages.values()) { 6210 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6211 } 6212 } else { 6213 for (PackageParser.Package pkg : mPackages.values()) { 6214 PackageSetting ps = (PackageSetting)pkg.mExtras; 6215 if (ps != null) { 6216 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6217 userId); 6218 } 6219 } 6220 } 6221 6222 return new ParceledListSlice<PackageInfo>(list); 6223 } 6224 } 6225 6226 @Override 6227 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6228 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6229 flags = updateFlagsForApplication(flags, userId, null); 6230 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6231 6232 // writer 6233 synchronized (mPackages) { 6234 ArrayList<ApplicationInfo> list; 6235 if (listUninstalled) { 6236 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6237 for (PackageSetting ps : mSettings.mPackages.values()) { 6238 ApplicationInfo ai; 6239 if (ps.pkg != null) { 6240 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6241 ps.readUserState(userId), userId); 6242 } else { 6243 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6244 } 6245 if (ai != null) { 6246 list.add(ai); 6247 } 6248 } 6249 } else { 6250 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6251 for (PackageParser.Package p : mPackages.values()) { 6252 if (p.mExtras != null) { 6253 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6254 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6255 if (ai != null) { 6256 list.add(ai); 6257 } 6258 } 6259 } 6260 } 6261 6262 return new ParceledListSlice<ApplicationInfo>(list); 6263 } 6264 } 6265 6266 @Override 6267 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6268 if (DISABLE_EPHEMERAL_APPS) { 6269 return null; 6270 } 6271 6272 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6273 "getEphemeralApplications"); 6274 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6275 true /* requireFullPermission */, false /* checkShell */, 6276 "getEphemeralApplications"); 6277 synchronized (mPackages) { 6278 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6279 .getEphemeralApplicationsLPw(userId); 6280 if (ephemeralApps != null) { 6281 return new ParceledListSlice<>(ephemeralApps); 6282 } 6283 } 6284 return null; 6285 } 6286 6287 @Override 6288 public boolean isEphemeralApplication(String packageName, int userId) { 6289 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6290 true /* requireFullPermission */, false /* checkShell */, 6291 "isEphemeral"); 6292 if (DISABLE_EPHEMERAL_APPS) { 6293 return false; 6294 } 6295 6296 if (!isCallerSameApp(packageName)) { 6297 return false; 6298 } 6299 synchronized (mPackages) { 6300 PackageParser.Package pkg = mPackages.get(packageName); 6301 if (pkg != null) { 6302 return pkg.applicationInfo.isEphemeralApp(); 6303 } 6304 } 6305 return false; 6306 } 6307 6308 @Override 6309 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6310 if (DISABLE_EPHEMERAL_APPS) { 6311 return null; 6312 } 6313 6314 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6315 true /* requireFullPermission */, false /* checkShell */, 6316 "getCookie"); 6317 if (!isCallerSameApp(packageName)) { 6318 return null; 6319 } 6320 synchronized (mPackages) { 6321 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6322 packageName, userId); 6323 } 6324 } 6325 6326 @Override 6327 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6328 if (DISABLE_EPHEMERAL_APPS) { 6329 return true; 6330 } 6331 6332 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6333 true /* requireFullPermission */, true /* checkShell */, 6334 "setCookie"); 6335 if (!isCallerSameApp(packageName)) { 6336 return false; 6337 } 6338 synchronized (mPackages) { 6339 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6340 packageName, cookie, userId); 6341 } 6342 } 6343 6344 @Override 6345 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6346 if (DISABLE_EPHEMERAL_APPS) { 6347 return null; 6348 } 6349 6350 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6351 "getEphemeralApplicationIcon"); 6352 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6353 true /* requireFullPermission */, false /* checkShell */, 6354 "getEphemeralApplicationIcon"); 6355 synchronized (mPackages) { 6356 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6357 packageName, userId); 6358 } 6359 } 6360 6361 private boolean isCallerSameApp(String packageName) { 6362 PackageParser.Package pkg = mPackages.get(packageName); 6363 return pkg != null 6364 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6365 } 6366 6367 @Override 6368 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6369 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6370 } 6371 6372 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6373 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6374 6375 // reader 6376 synchronized (mPackages) { 6377 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6378 final int userId = UserHandle.getCallingUserId(); 6379 while (i.hasNext()) { 6380 final PackageParser.Package p = i.next(); 6381 if (p.applicationInfo == null) continue; 6382 6383 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6384 && !p.applicationInfo.isDirectBootAware(); 6385 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6386 && p.applicationInfo.isDirectBootAware(); 6387 6388 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6389 && (!mSafeMode || isSystemApp(p)) 6390 && (matchesUnaware || matchesAware)) { 6391 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6392 if (ps != null) { 6393 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6394 ps.readUserState(userId), userId); 6395 if (ai != null) { 6396 finalList.add(ai); 6397 } 6398 } 6399 } 6400 } 6401 } 6402 6403 return finalList; 6404 } 6405 6406 @Override 6407 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6408 if (!sUserManager.exists(userId)) return null; 6409 flags = updateFlagsForComponent(flags, userId, name); 6410 // reader 6411 synchronized (mPackages) { 6412 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6413 PackageSetting ps = provider != null 6414 ? mSettings.mPackages.get(provider.owner.packageName) 6415 : null; 6416 return ps != null 6417 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6418 ? PackageParser.generateProviderInfo(provider, flags, 6419 ps.readUserState(userId), userId) 6420 : null; 6421 } 6422 } 6423 6424 /** 6425 * @deprecated 6426 */ 6427 @Deprecated 6428 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6429 // reader 6430 synchronized (mPackages) { 6431 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6432 .entrySet().iterator(); 6433 final int userId = UserHandle.getCallingUserId(); 6434 while (i.hasNext()) { 6435 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6436 PackageParser.Provider p = entry.getValue(); 6437 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6438 6439 if (ps != null && p.syncable 6440 && (!mSafeMode || (p.info.applicationInfo.flags 6441 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6442 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6443 ps.readUserState(userId), userId); 6444 if (info != null) { 6445 outNames.add(entry.getKey()); 6446 outInfo.add(info); 6447 } 6448 } 6449 } 6450 } 6451 } 6452 6453 @Override 6454 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6455 int uid, int flags) { 6456 final int userId = processName != null ? UserHandle.getUserId(uid) 6457 : UserHandle.getCallingUserId(); 6458 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6459 flags = updateFlagsForComponent(flags, userId, processName); 6460 6461 ArrayList<ProviderInfo> finalList = null; 6462 // reader 6463 synchronized (mPackages) { 6464 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6465 while (i.hasNext()) { 6466 final PackageParser.Provider p = i.next(); 6467 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6468 if (ps != null && p.info.authority != null 6469 && (processName == null 6470 || (p.info.processName.equals(processName) 6471 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6472 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6473 if (finalList == null) { 6474 finalList = new ArrayList<ProviderInfo>(3); 6475 } 6476 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6477 ps.readUserState(userId), userId); 6478 if (info != null) { 6479 finalList.add(info); 6480 } 6481 } 6482 } 6483 } 6484 6485 if (finalList != null) { 6486 Collections.sort(finalList, mProviderInitOrderSorter); 6487 return new ParceledListSlice<ProviderInfo>(finalList); 6488 } 6489 6490 return ParceledListSlice.emptyList(); 6491 } 6492 6493 @Override 6494 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6495 // reader 6496 synchronized (mPackages) { 6497 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6498 return PackageParser.generateInstrumentationInfo(i, flags); 6499 } 6500 } 6501 6502 @Override 6503 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6504 String targetPackage, int flags) { 6505 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6506 } 6507 6508 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6509 int flags) { 6510 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6511 6512 // reader 6513 synchronized (mPackages) { 6514 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6515 while (i.hasNext()) { 6516 final PackageParser.Instrumentation p = i.next(); 6517 if (targetPackage == null 6518 || targetPackage.equals(p.info.targetPackage)) { 6519 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6520 flags); 6521 if (ii != null) { 6522 finalList.add(ii); 6523 } 6524 } 6525 } 6526 } 6527 6528 return finalList; 6529 } 6530 6531 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6532 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6533 if (overlays == null) { 6534 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6535 return; 6536 } 6537 for (PackageParser.Package opkg : overlays.values()) { 6538 // Not much to do if idmap fails: we already logged the error 6539 // and we certainly don't want to abort installation of pkg simply 6540 // because an overlay didn't fit properly. For these reasons, 6541 // ignore the return value of createIdmapForPackagePairLI. 6542 createIdmapForPackagePairLI(pkg, opkg); 6543 } 6544 } 6545 6546 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6547 PackageParser.Package opkg) { 6548 if (!opkg.mTrustedOverlay) { 6549 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6550 opkg.baseCodePath + ": overlay not trusted"); 6551 return false; 6552 } 6553 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6554 if (overlaySet == null) { 6555 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6556 opkg.baseCodePath + " but target package has no known overlays"); 6557 return false; 6558 } 6559 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6560 // TODO: generate idmap for split APKs 6561 try { 6562 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6563 } catch (InstallerException e) { 6564 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6565 + opkg.baseCodePath); 6566 return false; 6567 } 6568 PackageParser.Package[] overlayArray = 6569 overlaySet.values().toArray(new PackageParser.Package[0]); 6570 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6571 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6572 return p1.mOverlayPriority - p2.mOverlayPriority; 6573 } 6574 }; 6575 Arrays.sort(overlayArray, cmp); 6576 6577 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6578 int i = 0; 6579 for (PackageParser.Package p : overlayArray) { 6580 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6581 } 6582 return true; 6583 } 6584 6585 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6586 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6587 try { 6588 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6589 } finally { 6590 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6591 } 6592 } 6593 6594 private void scanDirLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 6595 final File[] files = dir.listFiles(); 6596 if (ArrayUtils.isEmpty(files)) { 6597 Log.d(TAG, "No files in app dir " + dir); 6598 return; 6599 } 6600 6601 if (DEBUG_PACKAGE_SCANNING) { 6602 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6603 + " flags=0x" + Integer.toHexString(parseFlags)); 6604 } 6605 6606 for (File file : files) { 6607 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6608 && !PackageInstallerService.isStageName(file.getName()); 6609 if (!isPackage) { 6610 // Ignore entries which are not packages 6611 continue; 6612 } 6613 try { 6614 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6615 scanFlags, currentTime, null); 6616 } catch (PackageManagerException e) { 6617 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6618 6619 // Delete invalid userdata apps 6620 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6621 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6622 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6623 removeCodePathLI(file); 6624 } 6625 } 6626 } 6627 } 6628 6629 private static File getSettingsProblemFile() { 6630 File dataDir = Environment.getDataDirectory(); 6631 File systemDir = new File(dataDir, "system"); 6632 File fname = new File(systemDir, "uiderrors.txt"); 6633 return fname; 6634 } 6635 6636 static void reportSettingsProblem(int priority, String msg) { 6637 logCriticalInfo(priority, msg); 6638 } 6639 6640 static void logCriticalInfo(int priority, String msg) { 6641 Slog.println(priority, TAG, msg); 6642 EventLogTags.writePmCriticalInfo(msg); 6643 try { 6644 File fname = getSettingsProblemFile(); 6645 FileOutputStream out = new FileOutputStream(fname, true); 6646 PrintWriter pw = new FastPrintWriter(out); 6647 SimpleDateFormat formatter = new SimpleDateFormat(); 6648 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6649 pw.println(dateString + ": " + msg); 6650 pw.close(); 6651 FileUtils.setPermissions( 6652 fname.toString(), 6653 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6654 -1, -1); 6655 } catch (java.io.IOException e) { 6656 } 6657 } 6658 6659 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6660 final int policyFlags) throws PackageManagerException { 6661 if (ps != null 6662 && ps.codePath.equals(srcFile) 6663 && ps.timeStamp == srcFile.lastModified() 6664 && !isCompatSignatureUpdateNeeded(pkg) 6665 && !isRecoverSignatureUpdateNeeded(pkg)) { 6666 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6667 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6668 ArraySet<PublicKey> signingKs; 6669 synchronized (mPackages) { 6670 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6671 } 6672 if (ps.signatures.mSignatures != null 6673 && ps.signatures.mSignatures.length != 0 6674 && signingKs != null) { 6675 // Optimization: reuse the existing cached certificates 6676 // if the package appears to be unchanged. 6677 pkg.mSignatures = ps.signatures.mSignatures; 6678 pkg.mSigningKeys = signingKs; 6679 return; 6680 } 6681 6682 Slog.w(TAG, "PackageSetting for " + ps.name 6683 + " is missing signatures. Collecting certs again to recover them."); 6684 } else { 6685 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6686 } 6687 6688 try { 6689 PackageParser.collectCertificates(pkg, policyFlags); 6690 } catch (PackageParserException e) { 6691 throw PackageManagerException.from(e); 6692 } 6693 } 6694 6695 /** 6696 * Traces a package scan. 6697 * @see #scanPackageLI(File, int, int, long, UserHandle) 6698 */ 6699 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 6700 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6701 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6702 try { 6703 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6704 } finally { 6705 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6706 } 6707 } 6708 6709 /** 6710 * Scans a package and returns the newly parsed package. 6711 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6712 */ 6713 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6714 long currentTime, UserHandle user) throws PackageManagerException { 6715 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6716 PackageParser pp = new PackageParser(); 6717 pp.setSeparateProcesses(mSeparateProcesses); 6718 pp.setOnlyCoreApps(mOnlyCore); 6719 pp.setDisplayMetrics(mMetrics); 6720 6721 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6722 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6723 } 6724 6725 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 6726 final PackageParser.Package pkg; 6727 try { 6728 pkg = pp.parsePackage(scanFile, parseFlags); 6729 } catch (PackageParserException e) { 6730 throw PackageManagerException.from(e); 6731 } finally { 6732 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6733 } 6734 6735 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6736 } 6737 6738 /** 6739 * Scans a package and returns the newly parsed package. 6740 * @throws PackageManagerException on a parse error. 6741 */ 6742 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6743 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 6744 throws PackageManagerException { 6745 // If the package has children and this is the first dive in the function 6746 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6747 // packages (parent and children) would be successfully scanned before the 6748 // actual scan since scanning mutates internal state and we want to atomically 6749 // install the package and its children. 6750 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6751 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6752 scanFlags |= SCAN_CHECK_ONLY; 6753 } 6754 } else { 6755 scanFlags &= ~SCAN_CHECK_ONLY; 6756 } 6757 6758 // Scan the parent 6759 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 6760 scanFlags, currentTime, user); 6761 6762 // Scan the children 6763 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6764 for (int i = 0; i < childCount; i++) { 6765 PackageParser.Package childPackage = pkg.childPackages.get(i); 6766 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 6767 currentTime, user); 6768 } 6769 6770 6771 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6772 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 6773 } 6774 6775 return scannedPkg; 6776 } 6777 6778 /** 6779 * Scans a package and returns the newly parsed package. 6780 * @throws PackageManagerException on a parse error. 6781 */ 6782 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6783 int policyFlags, int scanFlags, long currentTime, UserHandle user) 6784 throws PackageManagerException { 6785 PackageSetting ps = null; 6786 PackageSetting updatedPkg; 6787 // reader 6788 synchronized (mPackages) { 6789 // Look to see if we already know about this package. 6790 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6791 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6792 // This package has been renamed to its original name. Let's 6793 // use that. 6794 ps = mSettings.peekPackageLPr(oldName); 6795 } 6796 // If there was no original package, see one for the real package name. 6797 if (ps == null) { 6798 ps = mSettings.peekPackageLPr(pkg.packageName); 6799 } 6800 // Check to see if this package could be hiding/updating a system 6801 // package. Must look for it either under the original or real 6802 // package name depending on our state. 6803 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6804 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6805 6806 // If this is a package we don't know about on the system partition, we 6807 // may need to remove disabled child packages on the system partition 6808 // or may need to not add child packages if the parent apk is updated 6809 // on the data partition and no longer defines this child package. 6810 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6811 // If this is a parent package for an updated system app and this system 6812 // app got an OTA update which no longer defines some of the child packages 6813 // we have to prune them from the disabled system packages. 6814 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6815 if (disabledPs != null) { 6816 final int scannedChildCount = (pkg.childPackages != null) 6817 ? pkg.childPackages.size() : 0; 6818 final int disabledChildCount = disabledPs.childPackageNames != null 6819 ? disabledPs.childPackageNames.size() : 0; 6820 for (int i = 0; i < disabledChildCount; i++) { 6821 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6822 boolean disabledPackageAvailable = false; 6823 for (int j = 0; j < scannedChildCount; j++) { 6824 PackageParser.Package childPkg = pkg.childPackages.get(j); 6825 if (childPkg.packageName.equals(disabledChildPackageName)) { 6826 disabledPackageAvailable = true; 6827 break; 6828 } 6829 } 6830 if (!disabledPackageAvailable) { 6831 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6832 } 6833 } 6834 } 6835 } 6836 } 6837 6838 boolean updatedPkgBetter = false; 6839 // First check if this is a system package that may involve an update 6840 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6841 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6842 // it needs to drop FLAG_PRIVILEGED. 6843 if (locationIsPrivileged(scanFile)) { 6844 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6845 } else { 6846 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6847 } 6848 6849 if (ps != null && !ps.codePath.equals(scanFile)) { 6850 // The path has changed from what was last scanned... check the 6851 // version of the new path against what we have stored to determine 6852 // what to do. 6853 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6854 if (pkg.mVersionCode <= ps.versionCode) { 6855 // The system package has been updated and the code path does not match 6856 // Ignore entry. Skip it. 6857 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6858 + " ignored: updated version " + ps.versionCode 6859 + " better than this " + pkg.mVersionCode); 6860 if (!updatedPkg.codePath.equals(scanFile)) { 6861 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6862 + ps.name + " changing from " + updatedPkg.codePathString 6863 + " to " + scanFile); 6864 updatedPkg.codePath = scanFile; 6865 updatedPkg.codePathString = scanFile.toString(); 6866 updatedPkg.resourcePath = scanFile; 6867 updatedPkg.resourcePathString = scanFile.toString(); 6868 } 6869 updatedPkg.pkg = pkg; 6870 updatedPkg.versionCode = pkg.mVersionCode; 6871 6872 // Update the disabled system child packages to point to the package too. 6873 final int childCount = updatedPkg.childPackageNames != null 6874 ? updatedPkg.childPackageNames.size() : 0; 6875 for (int i = 0; i < childCount; i++) { 6876 String childPackageName = updatedPkg.childPackageNames.get(i); 6877 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6878 childPackageName); 6879 if (updatedChildPkg != null) { 6880 updatedChildPkg.pkg = pkg; 6881 updatedChildPkg.versionCode = pkg.mVersionCode; 6882 } 6883 } 6884 6885 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6886 + scanFile + " ignored: updated version " + ps.versionCode 6887 + " better than this " + pkg.mVersionCode); 6888 } else { 6889 // The current app on the system partition is better than 6890 // what we have updated to on the data partition; switch 6891 // back to the system partition version. 6892 // At this point, its safely assumed that package installation for 6893 // apps in system partition will go through. If not there won't be a working 6894 // version of the app 6895 // writer 6896 synchronized (mPackages) { 6897 // Just remove the loaded entries from package lists. 6898 mPackages.remove(ps.name); 6899 } 6900 6901 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6902 + " reverting from " + ps.codePathString 6903 + ": new version " + pkg.mVersionCode 6904 + " better than installed " + ps.versionCode); 6905 6906 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6907 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6908 synchronized (mInstallLock) { 6909 args.cleanUpResourcesLI(); 6910 } 6911 synchronized (mPackages) { 6912 mSettings.enableSystemPackageLPw(ps.name); 6913 } 6914 updatedPkgBetter = true; 6915 } 6916 } 6917 } 6918 6919 if (updatedPkg != null) { 6920 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6921 // initially 6922 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 6923 6924 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6925 // flag set initially 6926 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6927 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6928 } 6929 } 6930 6931 // Verify certificates against what was last scanned 6932 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 6933 6934 /* 6935 * A new system app appeared, but we already had a non-system one of the 6936 * same name installed earlier. 6937 */ 6938 boolean shouldHideSystemApp = false; 6939 if (updatedPkg == null && ps != null 6940 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6941 /* 6942 * Check to make sure the signatures match first. If they don't, 6943 * wipe the installed application and its data. 6944 */ 6945 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6946 != PackageManager.SIGNATURE_MATCH) { 6947 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6948 + " signatures don't match existing userdata copy; removing"); 6949 try (PackageFreezer freezer = freezePackage(pkg.packageName, 6950 "scanPackageInternalLI")) { 6951 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 6952 } 6953 ps = null; 6954 } else { 6955 /* 6956 * If the newly-added system app is an older version than the 6957 * already installed version, hide it. It will be scanned later 6958 * and re-added like an update. 6959 */ 6960 if (pkg.mVersionCode <= ps.versionCode) { 6961 shouldHideSystemApp = true; 6962 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6963 + " but new version " + pkg.mVersionCode + " better than installed " 6964 + ps.versionCode + "; hiding system"); 6965 } else { 6966 /* 6967 * The newly found system app is a newer version that the 6968 * one previously installed. Simply remove the 6969 * already-installed application and replace it with our own 6970 * while keeping the application data. 6971 */ 6972 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6973 + " reverting from " + ps.codePathString + ": new version " 6974 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6975 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6976 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6977 synchronized (mInstallLock) { 6978 args.cleanUpResourcesLI(); 6979 } 6980 } 6981 } 6982 } 6983 6984 // The apk is forward locked (not public) if its code and resources 6985 // are kept in different files. (except for app in either system or 6986 // vendor path). 6987 // TODO grab this value from PackageSettings 6988 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6989 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6990 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 6991 } 6992 } 6993 6994 // TODO: extend to support forward-locked splits 6995 String resourcePath = null; 6996 String baseResourcePath = null; 6997 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6998 if (ps != null && ps.resourcePathString != null) { 6999 resourcePath = ps.resourcePathString; 7000 baseResourcePath = ps.resourcePathString; 7001 } else { 7002 // Should not happen at all. Just log an error. 7003 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 7004 } 7005 } else { 7006 resourcePath = pkg.codePath; 7007 baseResourcePath = pkg.baseCodePath; 7008 } 7009 7010 // Set application objects path explicitly. 7011 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 7012 pkg.setApplicationInfoCodePath(pkg.codePath); 7013 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 7014 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 7015 pkg.setApplicationInfoResourcePath(resourcePath); 7016 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 7017 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 7018 7019 // Note that we invoke the following method only if we are about to unpack an application 7020 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 7021 | SCAN_UPDATE_SIGNATURE, currentTime, user); 7022 7023 /* 7024 * If the system app should be overridden by a previously installed 7025 * data, hide the system app now and let the /data/app scan pick it up 7026 * again. 7027 */ 7028 if (shouldHideSystemApp) { 7029 synchronized (mPackages) { 7030 mSettings.disableSystemPackageLPw(pkg.packageName, true); 7031 } 7032 } 7033 7034 return scannedPkg; 7035 } 7036 7037 private static String fixProcessName(String defProcessName, 7038 String processName, int uid) { 7039 if (processName == null) { 7040 return defProcessName; 7041 } 7042 return processName; 7043 } 7044 7045 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 7046 throws PackageManagerException { 7047 if (pkgSetting.signatures.mSignatures != null) { 7048 // Already existing package. Make sure signatures match 7049 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 7050 == PackageManager.SIGNATURE_MATCH; 7051 if (!match) { 7052 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 7053 == PackageManager.SIGNATURE_MATCH; 7054 } 7055 if (!match) { 7056 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 7057 == PackageManager.SIGNATURE_MATCH; 7058 } 7059 if (!match) { 7060 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 7061 + pkg.packageName + " signatures do not match the " 7062 + "previously installed version; ignoring!"); 7063 } 7064 } 7065 7066 // Check for shared user signatures 7067 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 7068 // Already existing package. Make sure signatures match 7069 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7070 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 7071 if (!match) { 7072 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 7073 == PackageManager.SIGNATURE_MATCH; 7074 } 7075 if (!match) { 7076 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 7077 == PackageManager.SIGNATURE_MATCH; 7078 } 7079 if (!match) { 7080 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 7081 "Package " + pkg.packageName 7082 + " has no signatures that match those in shared user " 7083 + pkgSetting.sharedUser.name + "; ignoring!"); 7084 } 7085 } 7086 } 7087 7088 /** 7089 * Enforces that only the system UID or root's UID can call a method exposed 7090 * via Binder. 7091 * 7092 * @param message used as message if SecurityException is thrown 7093 * @throws SecurityException if the caller is not system or root 7094 */ 7095 private static final void enforceSystemOrRoot(String message) { 7096 final int uid = Binder.getCallingUid(); 7097 if (uid != Process.SYSTEM_UID && uid != 0) { 7098 throw new SecurityException(message); 7099 } 7100 } 7101 7102 @Override 7103 public void performFstrimIfNeeded() { 7104 enforceSystemOrRoot("Only the system can request fstrim"); 7105 7106 // Before everything else, see whether we need to fstrim. 7107 try { 7108 IMountService ms = PackageHelper.getMountService(); 7109 if (ms != null) { 7110 final boolean isUpgrade = isUpgrade(); 7111 boolean doTrim = isUpgrade; 7112 if (doTrim) { 7113 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 7114 } else { 7115 final long interval = android.provider.Settings.Global.getLong( 7116 mContext.getContentResolver(), 7117 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 7118 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 7119 if (interval > 0) { 7120 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 7121 if (timeSinceLast > interval) { 7122 doTrim = true; 7123 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 7124 + "; running immediately"); 7125 } 7126 } 7127 } 7128 if (doTrim) { 7129 if (!isFirstBoot()) { 7130 try { 7131 ActivityManagerNative.getDefault().showBootMessage( 7132 mContext.getResources().getString( 7133 R.string.android_upgrading_fstrim), true); 7134 } catch (RemoteException e) { 7135 } 7136 } 7137 ms.runMaintenance(); 7138 } 7139 } else { 7140 Slog.e(TAG, "Mount service unavailable!"); 7141 } 7142 } catch (RemoteException e) { 7143 // Can't happen; MountService is local 7144 } 7145 } 7146 7147 @Override 7148 public void updatePackagesIfNeeded() { 7149 enforceSystemOrRoot("Only the system can request package update"); 7150 7151 // We need to re-extract after an OTA. 7152 boolean causeUpgrade = isUpgrade(); 7153 7154 // First boot or factory reset. 7155 // Note: we also handle devices that are upgrading to N right now as if it is their 7156 // first boot, as they do not have profile data. 7157 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 7158 7159 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 7160 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 7161 7162 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7163 return; 7164 } 7165 7166 List<PackageParser.Package> pkgs; 7167 synchronized (mPackages) { 7168 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7169 } 7170 7171 int curr = 0; 7172 int total = pkgs.size(); 7173 for (PackageParser.Package pkg : pkgs) { 7174 curr++; 7175 7176 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 7177 if (DEBUG_DEXOPT) { 7178 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 7179 } 7180 continue; 7181 } 7182 7183 if (DEBUG_DEXOPT) { 7184 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 7185 } 7186 7187 if (!isFirstBoot()) { 7188 try { 7189 ActivityManagerNative.getDefault().showBootMessage( 7190 mContext.getResources().getString(R.string.android_upgrading_apk, 7191 curr, total), true); 7192 } catch (RemoteException e) { 7193 } 7194 } 7195 7196 performDexOpt(pkg.packageName, 7197 null /* instructionSet */, 7198 true /* checkProfiles */, 7199 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 7200 false /* force */); 7201 } 7202 } 7203 7204 @Override 7205 public void notifyPackageUse(String packageName, int reason) { 7206 synchronized (mPackages) { 7207 PackageParser.Package p = mPackages.get(packageName); 7208 if (p == null) { 7209 return; 7210 } 7211 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 7212 } 7213 } 7214 7215 // TODO: this is not used nor needed. Delete it. 7216 @Override 7217 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 7218 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 7219 getFullCompilerFilter(), false /* force */); 7220 } 7221 7222 @Override 7223 public boolean performDexOpt(String packageName, String instructionSet, 7224 boolean checkProfiles, int compileReason, boolean force) { 7225 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7226 getCompilerFilterForReason(compileReason), force); 7227 } 7228 7229 @Override 7230 public boolean performDexOptMode(String packageName, String instructionSet, 7231 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7232 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7233 targetCompilerFilter, force); 7234 } 7235 7236 private boolean performDexOptTraced(String packageName, String instructionSet, 7237 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7238 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7239 try { 7240 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7241 targetCompilerFilter, force); 7242 } finally { 7243 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7244 } 7245 } 7246 7247 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 7248 // if the package can now be considered up to date for the given filter. 7249 private boolean performDexOptInternal(String packageName, String instructionSet, 7250 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7251 PackageParser.Package p; 7252 final String targetInstructionSet; 7253 synchronized (mPackages) { 7254 p = mPackages.get(packageName); 7255 if (p == null) { 7256 return false; 7257 } 7258 mPackageUsage.write(false); 7259 7260 targetInstructionSet = instructionSet != null ? instructionSet : 7261 getPrimaryInstructionSet(p.applicationInfo); 7262 } 7263 long callingId = Binder.clearCallingIdentity(); 7264 try { 7265 synchronized (mInstallLock) { 7266 final String[] instructionSets = new String[] { targetInstructionSet }; 7267 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7268 checkProfiles, targetCompilerFilter, force); 7269 return result != PackageDexOptimizer.DEX_OPT_FAILED; 7270 } 7271 } finally { 7272 Binder.restoreCallingIdentity(callingId); 7273 } 7274 } 7275 7276 public ArraySet<String> getOptimizablePackages() { 7277 ArraySet<String> pkgs = new ArraySet<String>(); 7278 synchronized (mPackages) { 7279 for (PackageParser.Package p : mPackages.values()) { 7280 if (PackageDexOptimizer.canOptimizePackage(p)) { 7281 pkgs.add(p.packageName); 7282 } 7283 } 7284 } 7285 return pkgs; 7286 } 7287 7288 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7289 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7290 boolean force) { 7291 // Select the dex optimizer based on the force parameter. 7292 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7293 // allocate an object here. 7294 PackageDexOptimizer pdo = force 7295 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7296 : mPackageDexOptimizer; 7297 7298 // Optimize all dependencies first. Note: we ignore the return value and march on 7299 // on errors. 7300 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7301 if (!deps.isEmpty()) { 7302 for (PackageParser.Package depPackage : deps) { 7303 // TODO: Analyze and investigate if we (should) profile libraries. 7304 // Currently this will do a full compilation of the library by default. 7305 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 7306 false /* checkProfiles */, 7307 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7308 } 7309 } 7310 7311 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 7312 targetCompilerFilter); 7313 } 7314 7315 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7316 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7317 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7318 Set<String> collectedNames = new HashSet<>(); 7319 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7320 7321 retValue.remove(p); 7322 7323 return retValue; 7324 } else { 7325 return Collections.emptyList(); 7326 } 7327 } 7328 7329 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7330 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7331 if (!collectedNames.contains(p.packageName)) { 7332 collectedNames.add(p.packageName); 7333 collected.add(p); 7334 7335 if (p.usesLibraries != null) { 7336 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7337 } 7338 if (p.usesOptionalLibraries != null) { 7339 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7340 collectedNames); 7341 } 7342 } 7343 } 7344 7345 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7346 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7347 for (String libName : libs) { 7348 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7349 if (libPkg != null) { 7350 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7351 } 7352 } 7353 } 7354 7355 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7356 synchronized (mPackages) { 7357 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7358 if (lib != null && lib.apk != null) { 7359 return mPackages.get(lib.apk); 7360 } 7361 } 7362 return null; 7363 } 7364 7365 public void shutdown() { 7366 mPackageUsage.write(true); 7367 } 7368 7369 @Override 7370 public void forceDexOpt(String packageName) { 7371 enforceSystemOrRoot("forceDexOpt"); 7372 7373 PackageParser.Package pkg; 7374 synchronized (mPackages) { 7375 pkg = mPackages.get(packageName); 7376 if (pkg == null) { 7377 throw new IllegalArgumentException("Unknown package: " + packageName); 7378 } 7379 } 7380 7381 synchronized (mInstallLock) { 7382 final String[] instructionSets = new String[] { 7383 getPrimaryInstructionSet(pkg.applicationInfo) }; 7384 7385 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7386 7387 // Whoever is calling forceDexOpt wants a fully compiled package. 7388 // Don't use profiles since that may cause compilation to be skipped. 7389 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7390 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7391 true /* force */); 7392 7393 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7394 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7395 throw new IllegalStateException("Failed to dexopt: " + res); 7396 } 7397 } 7398 } 7399 7400 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7401 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7402 Slog.w(TAG, "Unable to update from " + oldPkg.name 7403 + " to " + newPkg.packageName 7404 + ": old package not in system partition"); 7405 return false; 7406 } else if (mPackages.get(oldPkg.name) != null) { 7407 Slog.w(TAG, "Unable to update from " + oldPkg.name 7408 + " to " + newPkg.packageName 7409 + ": old package still exists"); 7410 return false; 7411 } 7412 return true; 7413 } 7414 7415 void removeCodePathLI(File codePath) { 7416 if (codePath.isDirectory()) { 7417 try { 7418 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7419 } catch (InstallerException e) { 7420 Slog.w(TAG, "Failed to remove code path", e); 7421 } 7422 } else { 7423 codePath.delete(); 7424 } 7425 } 7426 7427 private int[] resolveUserIds(int userId) { 7428 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 7429 } 7430 7431 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7432 if (pkg == null) { 7433 Slog.wtf(TAG, "Package was null!", new Throwable()); 7434 return; 7435 } 7436 clearAppDataLeafLIF(pkg, userId, flags); 7437 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7438 for (int i = 0; i < childCount; i++) { 7439 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7440 } 7441 } 7442 7443 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7444 final PackageSetting ps; 7445 synchronized (mPackages) { 7446 ps = mSettings.mPackages.get(pkg.packageName); 7447 } 7448 for (int realUserId : resolveUserIds(userId)) { 7449 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7450 try { 7451 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7452 ceDataInode); 7453 } catch (InstallerException e) { 7454 Slog.w(TAG, String.valueOf(e)); 7455 } 7456 } 7457 } 7458 7459 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 7460 if (pkg == null) { 7461 Slog.wtf(TAG, "Package was null!", new Throwable()); 7462 return; 7463 } 7464 destroyAppDataLeafLIF(pkg, userId, flags); 7465 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7466 for (int i = 0; i < childCount; i++) { 7467 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 7468 } 7469 } 7470 7471 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 7472 final PackageSetting ps; 7473 synchronized (mPackages) { 7474 ps = mSettings.mPackages.get(pkg.packageName); 7475 } 7476 for (int realUserId : resolveUserIds(userId)) { 7477 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 7478 try { 7479 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 7480 ceDataInode); 7481 } catch (InstallerException e) { 7482 Slog.w(TAG, String.valueOf(e)); 7483 } 7484 } 7485 } 7486 7487 private void destroyAppProfilesLIF(PackageParser.Package pkg) { 7488 if (pkg == null) { 7489 Slog.wtf(TAG, "Package was null!", new Throwable()); 7490 return; 7491 } 7492 destroyAppProfilesLeafLIF(pkg); 7493 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7494 for (int i = 0; i < childCount; i++) { 7495 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 7496 } 7497 } 7498 7499 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 7500 try { 7501 mInstaller.destroyAppProfiles(pkg.packageName); 7502 } catch (InstallerException e) { 7503 Slog.w(TAG, String.valueOf(e)); 7504 } 7505 } 7506 7507 private void clearAppProfilesLIF(PackageParser.Package pkg) { 7508 if (pkg == null) { 7509 Slog.wtf(TAG, "Package was null!", new Throwable()); 7510 return; 7511 } 7512 clearAppProfilesLeafLIF(pkg); 7513 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7514 for (int i = 0; i < childCount; i++) { 7515 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 7516 } 7517 } 7518 7519 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 7520 try { 7521 mInstaller.clearAppProfiles(pkg.packageName); 7522 } catch (InstallerException e) { 7523 Slog.w(TAG, String.valueOf(e)); 7524 } 7525 } 7526 7527 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7528 long lastUpdateTime) { 7529 // Set parent install/update time 7530 PackageSetting ps = (PackageSetting) pkg.mExtras; 7531 if (ps != null) { 7532 ps.firstInstallTime = firstInstallTime; 7533 ps.lastUpdateTime = lastUpdateTime; 7534 } 7535 // Set children install/update time 7536 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7537 for (int i = 0; i < childCount; i++) { 7538 PackageParser.Package childPkg = pkg.childPackages.get(i); 7539 ps = (PackageSetting) childPkg.mExtras; 7540 if (ps != null) { 7541 ps.firstInstallTime = firstInstallTime; 7542 ps.lastUpdateTime = lastUpdateTime; 7543 } 7544 } 7545 } 7546 7547 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7548 PackageParser.Package changingLib) { 7549 if (file.path != null) { 7550 usesLibraryFiles.add(file.path); 7551 return; 7552 } 7553 PackageParser.Package p = mPackages.get(file.apk); 7554 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7555 // If we are doing this while in the middle of updating a library apk, 7556 // then we need to make sure to use that new apk for determining the 7557 // dependencies here. (We haven't yet finished committing the new apk 7558 // to the package manager state.) 7559 if (p == null || p.packageName.equals(changingLib.packageName)) { 7560 p = changingLib; 7561 } 7562 } 7563 if (p != null) { 7564 usesLibraryFiles.addAll(p.getAllCodePaths()); 7565 } 7566 } 7567 7568 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7569 PackageParser.Package changingLib) throws PackageManagerException { 7570 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7571 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7572 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7573 for (int i=0; i<N; i++) { 7574 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7575 if (file == null) { 7576 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7577 "Package " + pkg.packageName + " requires unavailable shared library " 7578 + pkg.usesLibraries.get(i) + "; failing!"); 7579 } 7580 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7581 } 7582 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7583 for (int i=0; i<N; i++) { 7584 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7585 if (file == null) { 7586 Slog.w(TAG, "Package " + pkg.packageName 7587 + " desires unavailable shared library " 7588 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7589 } else { 7590 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7591 } 7592 } 7593 N = usesLibraryFiles.size(); 7594 if (N > 0) { 7595 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7596 } else { 7597 pkg.usesLibraryFiles = null; 7598 } 7599 } 7600 } 7601 7602 private static boolean hasString(List<String> list, List<String> which) { 7603 if (list == null) { 7604 return false; 7605 } 7606 for (int i=list.size()-1; i>=0; i--) { 7607 for (int j=which.size()-1; j>=0; j--) { 7608 if (which.get(j).equals(list.get(i))) { 7609 return true; 7610 } 7611 } 7612 } 7613 return false; 7614 } 7615 7616 private void updateAllSharedLibrariesLPw() { 7617 for (PackageParser.Package pkg : mPackages.values()) { 7618 try { 7619 updateSharedLibrariesLPw(pkg, null); 7620 } catch (PackageManagerException e) { 7621 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7622 } 7623 } 7624 } 7625 7626 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7627 PackageParser.Package changingPkg) { 7628 ArrayList<PackageParser.Package> res = null; 7629 for (PackageParser.Package pkg : mPackages.values()) { 7630 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7631 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7632 if (res == null) { 7633 res = new ArrayList<PackageParser.Package>(); 7634 } 7635 res.add(pkg); 7636 try { 7637 updateSharedLibrariesLPw(pkg, changingPkg); 7638 } catch (PackageManagerException e) { 7639 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7640 } 7641 } 7642 } 7643 return res; 7644 } 7645 7646 /** 7647 * Derive the value of the {@code cpuAbiOverride} based on the provided 7648 * value and an optional stored value from the package settings. 7649 */ 7650 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7651 String cpuAbiOverride = null; 7652 7653 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7654 cpuAbiOverride = null; 7655 } else if (abiOverride != null) { 7656 cpuAbiOverride = abiOverride; 7657 } else if (settings != null) { 7658 cpuAbiOverride = settings.cpuAbiOverrideString; 7659 } 7660 7661 return cpuAbiOverride; 7662 } 7663 7664 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 7665 final int policyFlags, int scanFlags, long currentTime, UserHandle user) 7666 throws PackageManagerException { 7667 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7668 // If the package has children and this is the first dive in the function 7669 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7670 // whether all packages (parent and children) would be successfully scanned 7671 // before the actual scan since scanning mutates internal state and we want 7672 // to atomically install the package and its children. 7673 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7674 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7675 scanFlags |= SCAN_CHECK_ONLY; 7676 } 7677 } else { 7678 scanFlags &= ~SCAN_CHECK_ONLY; 7679 } 7680 7681 final PackageParser.Package scannedPkg; 7682 try { 7683 // Scan the parent 7684 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 7685 // Scan the children 7686 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7687 for (int i = 0; i < childCount; i++) { 7688 PackageParser.Package childPkg = pkg.childPackages.get(i); 7689 scanPackageLI(childPkg, policyFlags, 7690 scanFlags, currentTime, user); 7691 } 7692 } finally { 7693 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7694 } 7695 7696 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7697 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 7698 } 7699 7700 return scannedPkg; 7701 } 7702 7703 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 7704 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7705 boolean success = false; 7706 try { 7707 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 7708 currentTime, user); 7709 success = true; 7710 return res; 7711 } finally { 7712 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7713 // DELETE_DATA_ON_FAILURES is only used by frozen paths 7714 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 7715 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 7716 destroyAppProfilesLIF(pkg); 7717 } 7718 } 7719 } 7720 7721 /** 7722 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 7723 */ 7724 private static boolean apkHasCode(String fileName) { 7725 StrictJarFile jarFile = null; 7726 try { 7727 jarFile = new StrictJarFile(fileName, 7728 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 7729 return jarFile.findEntry("classes.dex") != null; 7730 } catch (IOException ignore) { 7731 } finally { 7732 try { 7733 jarFile.close(); 7734 } catch (IOException ignore) {} 7735 } 7736 return false; 7737 } 7738 7739 /** 7740 * Enforces code policy for the package. This ensures that if an APK has 7741 * declared hasCode="true" in its manifest that the APK actually contains 7742 * code. 7743 * 7744 * @throws PackageManagerException If bytecode could not be found when it should exist 7745 */ 7746 private static void enforceCodePolicy(PackageParser.Package pkg) 7747 throws PackageManagerException { 7748 final boolean shouldHaveCode = 7749 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 7750 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 7751 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7752 "Package " + pkg.baseCodePath + " code is missing"); 7753 } 7754 7755 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 7756 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 7757 final boolean splitShouldHaveCode = 7758 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 7759 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 7760 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7761 "Package " + pkg.splitCodePaths[i] + " code is missing"); 7762 } 7763 } 7764 } 7765 } 7766 7767 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 7768 final int policyFlags, final int scanFlags, long currentTime, UserHandle user) 7769 throws PackageManagerException { 7770 final File scanFile = new File(pkg.codePath); 7771 if (pkg.applicationInfo.getCodePath() == null || 7772 pkg.applicationInfo.getResourcePath() == null) { 7773 // Bail out. The resource and code paths haven't been set. 7774 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7775 "Code and resource paths haven't been set correctly"); 7776 } 7777 7778 // Apply policy 7779 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7780 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7781 if (pkg.applicationInfo.isDirectBootAware()) { 7782 // we're direct boot aware; set for all components 7783 for (PackageParser.Service s : pkg.services) { 7784 s.info.encryptionAware = s.info.directBootAware = true; 7785 } 7786 for (PackageParser.Provider p : pkg.providers) { 7787 p.info.encryptionAware = p.info.directBootAware = true; 7788 } 7789 for (PackageParser.Activity a : pkg.activities) { 7790 a.info.encryptionAware = a.info.directBootAware = true; 7791 } 7792 for (PackageParser.Activity r : pkg.receivers) { 7793 r.info.encryptionAware = r.info.directBootAware = true; 7794 } 7795 } 7796 } else { 7797 // Only allow system apps to be flagged as core apps. 7798 pkg.coreApp = false; 7799 // clear flags not applicable to regular apps 7800 pkg.applicationInfo.privateFlags &= 7801 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 7802 pkg.applicationInfo.privateFlags &= 7803 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 7804 } 7805 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 7806 7807 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7808 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7809 } 7810 7811 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 7812 enforceCodePolicy(pkg); 7813 } 7814 7815 if (mCustomResolverComponentName != null && 7816 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7817 setUpCustomResolverActivity(pkg); 7818 } 7819 7820 if (pkg.packageName.equals("android")) { 7821 synchronized (mPackages) { 7822 if (mAndroidApplication != null) { 7823 Slog.w(TAG, "*************************************************"); 7824 Slog.w(TAG, "Core android package being redefined. Skipping."); 7825 Slog.w(TAG, " file=" + scanFile); 7826 Slog.w(TAG, "*************************************************"); 7827 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7828 "Core android package being redefined. Skipping."); 7829 } 7830 7831 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7832 // Set up information for our fall-back user intent resolution activity. 7833 mPlatformPackage = pkg; 7834 pkg.mVersionCode = mSdkVersion; 7835 mAndroidApplication = pkg.applicationInfo; 7836 7837 if (!mResolverReplaced) { 7838 mResolveActivity.applicationInfo = mAndroidApplication; 7839 mResolveActivity.name = ResolverActivity.class.getName(); 7840 mResolveActivity.packageName = mAndroidApplication.packageName; 7841 mResolveActivity.processName = "system:ui"; 7842 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7843 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7844 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7845 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7846 mResolveActivity.exported = true; 7847 mResolveActivity.enabled = true; 7848 mResolveInfo.activityInfo = mResolveActivity; 7849 mResolveInfo.priority = 0; 7850 mResolveInfo.preferredOrder = 0; 7851 mResolveInfo.match = 0; 7852 mResolveComponentName = new ComponentName( 7853 mAndroidApplication.packageName, mResolveActivity.name); 7854 } 7855 } 7856 } 7857 } 7858 7859 if (DEBUG_PACKAGE_SCANNING) { 7860 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7861 Log.d(TAG, "Scanning package " + pkg.packageName); 7862 } 7863 7864 synchronized (mPackages) { 7865 if (mPackages.containsKey(pkg.packageName) 7866 || mSharedLibraries.containsKey(pkg.packageName)) { 7867 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7868 "Application package " + pkg.packageName 7869 + " already installed. Skipping duplicate."); 7870 } 7871 7872 // If we're only installing presumed-existing packages, require that the 7873 // scanned APK is both already known and at the path previously established 7874 // for it. Previously unknown packages we pick up normally, but if we have an 7875 // a priori expectation about this package's install presence, enforce it. 7876 // With a singular exception for new system packages. When an OTA contains 7877 // a new system package, we allow the codepath to change from a system location 7878 // to the user-installed location. If we don't allow this change, any newer, 7879 // user-installed version of the application will be ignored. 7880 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7881 if (mExpectingBetter.containsKey(pkg.packageName)) { 7882 logCriticalInfo(Log.WARN, 7883 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7884 } else { 7885 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7886 if (known != null) { 7887 if (DEBUG_PACKAGE_SCANNING) { 7888 Log.d(TAG, "Examining " + pkg.codePath 7889 + " and requiring known paths " + known.codePathString 7890 + " & " + known.resourcePathString); 7891 } 7892 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7893 || !pkg.applicationInfo.getResourcePath().equals( 7894 known.resourcePathString)) { 7895 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7896 "Application package " + pkg.packageName 7897 + " found at " + pkg.applicationInfo.getCodePath() 7898 + " but expected at " + known.codePathString 7899 + "; ignoring."); 7900 } 7901 } 7902 } 7903 } 7904 } 7905 7906 // Initialize package source and resource directories 7907 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7908 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7909 7910 SharedUserSetting suid = null; 7911 PackageSetting pkgSetting = null; 7912 7913 if (!isSystemApp(pkg)) { 7914 // Only system apps can use these features. 7915 pkg.mOriginalPackages = null; 7916 pkg.mRealPackage = null; 7917 pkg.mAdoptPermissions = null; 7918 } 7919 7920 // Getting the package setting may have a side-effect, so if we 7921 // are only checking if scan would succeed, stash a copy of the 7922 // old setting to restore at the end. 7923 PackageSetting nonMutatedPs = null; 7924 7925 // writer 7926 synchronized (mPackages) { 7927 if (pkg.mSharedUserId != null) { 7928 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7929 if (suid == null) { 7930 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7931 "Creating application package " + pkg.packageName 7932 + " for shared user failed"); 7933 } 7934 if (DEBUG_PACKAGE_SCANNING) { 7935 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 7936 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7937 + "): packages=" + suid.packages); 7938 } 7939 } 7940 7941 // Check if we are renaming from an original package name. 7942 PackageSetting origPackage = null; 7943 String realName = null; 7944 if (pkg.mOriginalPackages != null) { 7945 // This package may need to be renamed to a previously 7946 // installed name. Let's check on that... 7947 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7948 if (pkg.mOriginalPackages.contains(renamed)) { 7949 // This package had originally been installed as the 7950 // original name, and we have already taken care of 7951 // transitioning to the new one. Just update the new 7952 // one to continue using the old name. 7953 realName = pkg.mRealPackage; 7954 if (!pkg.packageName.equals(renamed)) { 7955 // Callers into this function may have already taken 7956 // care of renaming the package; only do it here if 7957 // it is not already done. 7958 pkg.setPackageName(renamed); 7959 } 7960 7961 } else { 7962 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7963 if ((origPackage = mSettings.peekPackageLPr( 7964 pkg.mOriginalPackages.get(i))) != null) { 7965 // We do have the package already installed under its 7966 // original name... should we use it? 7967 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7968 // New package is not compatible with original. 7969 origPackage = null; 7970 continue; 7971 } else if (origPackage.sharedUser != null) { 7972 // Make sure uid is compatible between packages. 7973 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7974 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7975 + " to " + pkg.packageName + ": old uid " 7976 + origPackage.sharedUser.name 7977 + " differs from " + pkg.mSharedUserId); 7978 origPackage = null; 7979 continue; 7980 } 7981 // TODO: Add case when shared user id is added [b/28144775] 7982 } else { 7983 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7984 + pkg.packageName + " to old name " + origPackage.name); 7985 } 7986 break; 7987 } 7988 } 7989 } 7990 } 7991 7992 if (mTransferedPackages.contains(pkg.packageName)) { 7993 Slog.w(TAG, "Package " + pkg.packageName 7994 + " was transferred to another, but its .apk remains"); 7995 } 7996 7997 // See comments in nonMutatedPs declaration 7998 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7999 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 8000 if (foundPs != null) { 8001 nonMutatedPs = new PackageSetting(foundPs); 8002 } 8003 } 8004 8005 // Just create the setting, don't add it yet. For already existing packages 8006 // the PkgSetting exists already and doesn't have to be created. 8007 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 8008 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 8009 pkg.applicationInfo.primaryCpuAbi, 8010 pkg.applicationInfo.secondaryCpuAbi, 8011 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 8012 user, false); 8013 if (pkgSetting == null) { 8014 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 8015 "Creating application package " + pkg.packageName + " failed"); 8016 } 8017 8018 if (pkgSetting.origPackage != null) { 8019 // If we are first transitioning from an original package, 8020 // fix up the new package's name now. We need to do this after 8021 // looking up the package under its new name, so getPackageLP 8022 // can take care of fiddling things correctly. 8023 pkg.setPackageName(origPackage.name); 8024 8025 // File a report about this. 8026 String msg = "New package " + pkgSetting.realName 8027 + " renamed to replace old package " + pkgSetting.name; 8028 reportSettingsProblem(Log.WARN, msg); 8029 8030 // Make a note of it. 8031 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8032 mTransferedPackages.add(origPackage.name); 8033 } 8034 8035 // No longer need to retain this. 8036 pkgSetting.origPackage = null; 8037 } 8038 8039 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 8040 // Make a note of it. 8041 mTransferedPackages.add(pkg.packageName); 8042 } 8043 8044 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 8045 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8046 } 8047 8048 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8049 // Check all shared libraries and map to their actual file path. 8050 // We only do this here for apps not on a system dir, because those 8051 // are the only ones that can fail an install due to this. We 8052 // will take care of the system apps by updating all of their 8053 // library paths after the scan is done. 8054 updateSharedLibrariesLPw(pkg, null); 8055 } 8056 8057 if (mFoundPolicyFile) { 8058 SELinuxMMAC.assignSeinfoValue(pkg); 8059 } 8060 8061 pkg.applicationInfo.uid = pkgSetting.appId; 8062 pkg.mExtras = pkgSetting; 8063 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 8064 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 8065 // We just determined the app is signed correctly, so bring 8066 // over the latest parsed certs. 8067 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8068 } else { 8069 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8070 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8071 "Package " + pkg.packageName + " upgrade keys do not match the " 8072 + "previously installed version"); 8073 } else { 8074 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8075 String msg = "System package " + pkg.packageName 8076 + " signature changed; retaining data."; 8077 reportSettingsProblem(Log.WARN, msg); 8078 } 8079 } 8080 } else { 8081 try { 8082 verifySignaturesLP(pkgSetting, pkg); 8083 // We just determined the app is signed correctly, so bring 8084 // over the latest parsed certs. 8085 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8086 } catch (PackageManagerException e) { 8087 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8088 throw e; 8089 } 8090 // The signature has changed, but this package is in the system 8091 // image... let's recover! 8092 pkgSetting.signatures.mSignatures = pkg.mSignatures; 8093 // However... if this package is part of a shared user, but it 8094 // doesn't match the signature of the shared user, let's fail. 8095 // What this means is that you can't change the signatures 8096 // associated with an overall shared user, which doesn't seem all 8097 // that unreasonable. 8098 if (pkgSetting.sharedUser != null) { 8099 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8100 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 8101 throw new PackageManagerException( 8102 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 8103 "Signature mismatch for shared user: " 8104 + pkgSetting.sharedUser); 8105 } 8106 } 8107 // File a report about this. 8108 String msg = "System package " + pkg.packageName 8109 + " signature changed; retaining data."; 8110 reportSettingsProblem(Log.WARN, msg); 8111 } 8112 } 8113 // Verify that this new package doesn't have any content providers 8114 // that conflict with existing packages. Only do this if the 8115 // package isn't already installed, since we don't want to break 8116 // things that are installed. 8117 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 8118 final int N = pkg.providers.size(); 8119 int i; 8120 for (i=0; i<N; i++) { 8121 PackageParser.Provider p = pkg.providers.get(i); 8122 if (p.info.authority != null) { 8123 String names[] = p.info.authority.split(";"); 8124 for (int j = 0; j < names.length; j++) { 8125 if (mProvidersByAuthority.containsKey(names[j])) { 8126 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8127 final String otherPackageName = 8128 ((other != null && other.getComponentName() != null) ? 8129 other.getComponentName().getPackageName() : "?"); 8130 throw new PackageManagerException( 8131 INSTALL_FAILED_CONFLICTING_PROVIDER, 8132 "Can't install because provider name " + names[j] 8133 + " (in package " + pkg.applicationInfo.packageName 8134 + ") is already used by " + otherPackageName); 8135 } 8136 } 8137 } 8138 } 8139 } 8140 8141 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 8142 // This package wants to adopt ownership of permissions from 8143 // another package. 8144 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 8145 final String origName = pkg.mAdoptPermissions.get(i); 8146 final PackageSetting orig = mSettings.peekPackageLPr(origName); 8147 if (orig != null) { 8148 if (verifyPackageUpdateLPr(orig, pkg)) { 8149 Slog.i(TAG, "Adopting permissions from " + origName + " to " 8150 + pkg.packageName); 8151 mSettings.transferPermissionsLPw(origName, pkg.packageName); 8152 } 8153 } 8154 } 8155 } 8156 } 8157 8158 final String pkgName = pkg.packageName; 8159 8160 final long scanFileTime = scanFile.lastModified(); 8161 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 8162 pkg.applicationInfo.processName = fixProcessName( 8163 pkg.applicationInfo.packageName, 8164 pkg.applicationInfo.processName, 8165 pkg.applicationInfo.uid); 8166 8167 if (pkg != mPlatformPackage) { 8168 // Get all of our default paths setup 8169 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 8170 } 8171 8172 final String path = scanFile.getPath(); 8173 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 8174 8175 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 8176 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 8177 8178 // Some system apps still use directory structure for native libraries 8179 // in which case we might end up not detecting abi solely based on apk 8180 // structure. Try to detect abi based on directory structure. 8181 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 8182 pkg.applicationInfo.primaryCpuAbi == null) { 8183 setBundledAppAbisAndRoots(pkg, pkgSetting); 8184 setNativeLibraryPaths(pkg); 8185 } 8186 8187 } else { 8188 if ((scanFlags & SCAN_MOVE) != 0) { 8189 // We haven't run dex-opt for this move (since we've moved the compiled output too) 8190 // but we already have this packages package info in the PackageSetting. We just 8191 // use that and derive the native library path based on the new codepath. 8192 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 8193 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 8194 } 8195 8196 // Set native library paths again. For moves, the path will be updated based on the 8197 // ABIs we've determined above. For non-moves, the path will be updated based on the 8198 // ABIs we determined during compilation, but the path will depend on the final 8199 // package path (after the rename away from the stage path). 8200 setNativeLibraryPaths(pkg); 8201 } 8202 8203 // This is a special case for the "system" package, where the ABI is 8204 // dictated by the zygote configuration (and init.rc). We should keep track 8205 // of this ABI so that we can deal with "normal" applications that run under 8206 // the same UID correctly. 8207 if (mPlatformPackage == pkg) { 8208 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 8209 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 8210 } 8211 8212 // If there's a mismatch between the abi-override in the package setting 8213 // and the abiOverride specified for the install. Warn about this because we 8214 // would've already compiled the app without taking the package setting into 8215 // account. 8216 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 8217 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 8218 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 8219 " for package " + pkg.packageName); 8220 } 8221 } 8222 8223 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8224 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8225 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 8226 8227 // Copy the derived override back to the parsed package, so that we can 8228 // update the package settings accordingly. 8229 pkg.cpuAbiOverride = cpuAbiOverride; 8230 8231 if (DEBUG_ABI_SELECTION) { 8232 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 8233 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 8234 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 8235 } 8236 8237 // Push the derived path down into PackageSettings so we know what to 8238 // clean up at uninstall time. 8239 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 8240 8241 if (DEBUG_ABI_SELECTION) { 8242 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 8243 " primary=" + pkg.applicationInfo.primaryCpuAbi + 8244 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 8245 } 8246 8247 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8248 // We don't do this here during boot because we can do it all 8249 // at once after scanning all existing packages. 8250 // 8251 // We also do this *before* we perform dexopt on this package, so that 8252 // we can avoid redundant dexopts, and also to make sure we've got the 8253 // code and package path correct. 8254 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8255 pkg, true /* boot complete */); 8256 } 8257 8258 if (mFactoryTest && pkg.requestedPermissions.contains( 8259 android.Manifest.permission.FACTORY_TEST)) { 8260 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8261 } 8262 8263 ArrayList<PackageParser.Package> clientLibPkgs = null; 8264 8265 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8266 if (nonMutatedPs != null) { 8267 synchronized (mPackages) { 8268 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8269 } 8270 } 8271 return pkg; 8272 } 8273 8274 // Only privileged apps and updated privileged apps can add child packages. 8275 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8276 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 8277 throw new PackageManagerException("Only privileged apps and updated " 8278 + "privileged apps can add child packages. Ignoring package " 8279 + pkg.packageName); 8280 } 8281 final int childCount = pkg.childPackages.size(); 8282 for (int i = 0; i < childCount; i++) { 8283 PackageParser.Package childPkg = pkg.childPackages.get(i); 8284 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8285 childPkg.packageName)) { 8286 throw new PackageManagerException("Cannot override a child package of " 8287 + "another disabled system app. Ignoring package " + pkg.packageName); 8288 } 8289 } 8290 } 8291 8292 // writer 8293 synchronized (mPackages) { 8294 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8295 // Only system apps can add new shared libraries. 8296 if (pkg.libraryNames != null) { 8297 for (int i=0; i<pkg.libraryNames.size(); i++) { 8298 String name = pkg.libraryNames.get(i); 8299 boolean allowed = false; 8300 if (pkg.isUpdatedSystemApp()) { 8301 // New library entries can only be added through the 8302 // system image. This is important to get rid of a lot 8303 // of nasty edge cases: for example if we allowed a non- 8304 // system update of the app to add a library, then uninstalling 8305 // the update would make the library go away, and assumptions 8306 // we made such as through app install filtering would now 8307 // have allowed apps on the device which aren't compatible 8308 // with it. Better to just have the restriction here, be 8309 // conservative, and create many fewer cases that can negatively 8310 // impact the user experience. 8311 final PackageSetting sysPs = mSettings 8312 .getDisabledSystemPkgLPr(pkg.packageName); 8313 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8314 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8315 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8316 allowed = true; 8317 break; 8318 } 8319 } 8320 } 8321 } else { 8322 allowed = true; 8323 } 8324 if (allowed) { 8325 if (!mSharedLibraries.containsKey(name)) { 8326 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8327 } else if (!name.equals(pkg.packageName)) { 8328 Slog.w(TAG, "Package " + pkg.packageName + " library " 8329 + name + " already exists; skipping"); 8330 } 8331 } else { 8332 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8333 + name + " that is not declared on system image; skipping"); 8334 } 8335 } 8336 if ((scanFlags & SCAN_BOOTING) == 0) { 8337 // If we are not booting, we need to update any applications 8338 // that are clients of our shared library. If we are booting, 8339 // this will all be done once the scan is complete. 8340 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8341 } 8342 } 8343 } 8344 } 8345 8346 if ((scanFlags & SCAN_BOOTING) != 0) { 8347 // No apps can run during boot scan, so they don't need to be frozen 8348 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 8349 // Caller asked to not kill app, so it's probably not frozen 8350 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 8351 // Caller asked us to ignore frozen check for some reason; they 8352 // probably didn't know the package name 8353 } else { 8354 // We're doing major surgery on this package, so it better be frozen 8355 // right now to keep it from launching 8356 checkPackageFrozen(pkgName); 8357 } 8358 8359 // Also need to kill any apps that are dependent on the library. 8360 if (clientLibPkgs != null) { 8361 for (int i=0; i<clientLibPkgs.size(); i++) { 8362 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8363 killApplication(clientPkg.applicationInfo.packageName, 8364 clientPkg.applicationInfo.uid, "update lib"); 8365 } 8366 } 8367 8368 // Make sure we're not adding any bogus keyset info 8369 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8370 ksms.assertScannedPackageValid(pkg); 8371 8372 // writer 8373 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8374 8375 boolean createIdmapFailed = false; 8376 synchronized (mPackages) { 8377 // We don't expect installation to fail beyond this point 8378 8379 // Add the new setting to mSettings 8380 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8381 // Add the new setting to mPackages 8382 mPackages.put(pkg.applicationInfo.packageName, pkg); 8383 // Make sure we don't accidentally delete its data. 8384 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8385 while (iter.hasNext()) { 8386 PackageCleanItem item = iter.next(); 8387 if (pkgName.equals(item.packageName)) { 8388 iter.remove(); 8389 } 8390 } 8391 8392 // Take care of first install / last update times. 8393 if (currentTime != 0) { 8394 if (pkgSetting.firstInstallTime == 0) { 8395 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8396 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8397 pkgSetting.lastUpdateTime = currentTime; 8398 } 8399 } else if (pkgSetting.firstInstallTime == 0) { 8400 // We need *something*. Take time time stamp of the file. 8401 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8402 } else if ((policyFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8403 if (scanFileTime != pkgSetting.timeStamp) { 8404 // A package on the system image has changed; consider this 8405 // to be an update. 8406 pkgSetting.lastUpdateTime = scanFileTime; 8407 } 8408 } 8409 8410 // Add the package's KeySets to the global KeySetManagerService 8411 ksms.addScannedPackageLPw(pkg); 8412 8413 int N = pkg.providers.size(); 8414 StringBuilder r = null; 8415 int i; 8416 for (i=0; i<N; i++) { 8417 PackageParser.Provider p = pkg.providers.get(i); 8418 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8419 p.info.processName, pkg.applicationInfo.uid); 8420 mProviders.addProvider(p); 8421 p.syncable = p.info.isSyncable; 8422 if (p.info.authority != null) { 8423 String names[] = p.info.authority.split(";"); 8424 p.info.authority = null; 8425 for (int j = 0; j < names.length; j++) { 8426 if (j == 1 && p.syncable) { 8427 // We only want the first authority for a provider to possibly be 8428 // syncable, so if we already added this provider using a different 8429 // authority clear the syncable flag. We copy the provider before 8430 // changing it because the mProviders object contains a reference 8431 // to a provider that we don't want to change. 8432 // Only do this for the second authority since the resulting provider 8433 // object can be the same for all future authorities for this provider. 8434 p = new PackageParser.Provider(p); 8435 p.syncable = false; 8436 } 8437 if (!mProvidersByAuthority.containsKey(names[j])) { 8438 mProvidersByAuthority.put(names[j], p); 8439 if (p.info.authority == null) { 8440 p.info.authority = names[j]; 8441 } else { 8442 p.info.authority = p.info.authority + ";" + names[j]; 8443 } 8444 if (DEBUG_PACKAGE_SCANNING) { 8445 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 8446 Log.d(TAG, "Registered content provider: " + names[j] 8447 + ", className = " + p.info.name + ", isSyncable = " 8448 + p.info.isSyncable); 8449 } 8450 } else { 8451 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8452 Slog.w(TAG, "Skipping provider name " + names[j] + 8453 " (in package " + pkg.applicationInfo.packageName + 8454 "): name already used by " 8455 + ((other != null && other.getComponentName() != null) 8456 ? other.getComponentName().getPackageName() : "?")); 8457 } 8458 } 8459 } 8460 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8461 if (r == null) { 8462 r = new StringBuilder(256); 8463 } else { 8464 r.append(' '); 8465 } 8466 r.append(p.info.name); 8467 } 8468 } 8469 if (r != null) { 8470 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8471 } 8472 8473 N = pkg.services.size(); 8474 r = null; 8475 for (i=0; i<N; i++) { 8476 PackageParser.Service s = pkg.services.get(i); 8477 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8478 s.info.processName, pkg.applicationInfo.uid); 8479 mServices.addService(s); 8480 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8481 if (r == null) { 8482 r = new StringBuilder(256); 8483 } else { 8484 r.append(' '); 8485 } 8486 r.append(s.info.name); 8487 } 8488 } 8489 if (r != null) { 8490 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8491 } 8492 8493 N = pkg.receivers.size(); 8494 r = null; 8495 for (i=0; i<N; i++) { 8496 PackageParser.Activity a = pkg.receivers.get(i); 8497 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8498 a.info.processName, pkg.applicationInfo.uid); 8499 mReceivers.addActivity(a, "receiver"); 8500 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8501 if (r == null) { 8502 r = new StringBuilder(256); 8503 } else { 8504 r.append(' '); 8505 } 8506 r.append(a.info.name); 8507 } 8508 } 8509 if (r != null) { 8510 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8511 } 8512 8513 N = pkg.activities.size(); 8514 r = null; 8515 for (i=0; i<N; i++) { 8516 PackageParser.Activity a = pkg.activities.get(i); 8517 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8518 a.info.processName, pkg.applicationInfo.uid); 8519 mActivities.addActivity(a, "activity"); 8520 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8521 if (r == null) { 8522 r = new StringBuilder(256); 8523 } else { 8524 r.append(' '); 8525 } 8526 r.append(a.info.name); 8527 } 8528 } 8529 if (r != null) { 8530 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8531 } 8532 8533 N = pkg.permissionGroups.size(); 8534 r = null; 8535 for (i=0; i<N; i++) { 8536 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8537 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8538 if (cur == null) { 8539 mPermissionGroups.put(pg.info.name, pg); 8540 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8541 if (r == null) { 8542 r = new StringBuilder(256); 8543 } else { 8544 r.append(' '); 8545 } 8546 r.append(pg.info.name); 8547 } 8548 } else { 8549 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8550 + pg.info.packageName + " ignored: original from " 8551 + cur.info.packageName); 8552 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8553 if (r == null) { 8554 r = new StringBuilder(256); 8555 } else { 8556 r.append(' '); 8557 } 8558 r.append("DUP:"); 8559 r.append(pg.info.name); 8560 } 8561 } 8562 } 8563 if (r != null) { 8564 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8565 } 8566 8567 N = pkg.permissions.size(); 8568 r = null; 8569 for (i=0; i<N; i++) { 8570 PackageParser.Permission p = pkg.permissions.get(i); 8571 8572 // Assume by default that we did not install this permission into the system. 8573 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8574 8575 // Now that permission groups have a special meaning, we ignore permission 8576 // groups for legacy apps to prevent unexpected behavior. In particular, 8577 // permissions for one app being granted to someone just becase they happen 8578 // to be in a group defined by another app (before this had no implications). 8579 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8580 p.group = mPermissionGroups.get(p.info.group); 8581 // Warn for a permission in an unknown group. 8582 if (p.info.group != null && p.group == null) { 8583 Slog.w(TAG, "Permission " + p.info.name + " from package " 8584 + p.info.packageName + " in an unknown group " + p.info.group); 8585 } 8586 } 8587 8588 ArrayMap<String, BasePermission> permissionMap = 8589 p.tree ? mSettings.mPermissionTrees 8590 : mSettings.mPermissions; 8591 BasePermission bp = permissionMap.get(p.info.name); 8592 8593 // Allow system apps to redefine non-system permissions 8594 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8595 final boolean currentOwnerIsSystem = (bp.perm != null 8596 && isSystemApp(bp.perm.owner)); 8597 if (isSystemApp(p.owner)) { 8598 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8599 // It's a built-in permission and no owner, take ownership now 8600 bp.packageSetting = pkgSetting; 8601 bp.perm = p; 8602 bp.uid = pkg.applicationInfo.uid; 8603 bp.sourcePackage = p.info.packageName; 8604 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8605 } else if (!currentOwnerIsSystem) { 8606 String msg = "New decl " + p.owner + " of permission " 8607 + p.info.name + " is system; overriding " + bp.sourcePackage; 8608 reportSettingsProblem(Log.WARN, msg); 8609 bp = null; 8610 } 8611 } 8612 } 8613 8614 if (bp == null) { 8615 bp = new BasePermission(p.info.name, p.info.packageName, 8616 BasePermission.TYPE_NORMAL); 8617 permissionMap.put(p.info.name, bp); 8618 } 8619 8620 if (bp.perm == null) { 8621 if (bp.sourcePackage == null 8622 || bp.sourcePackage.equals(p.info.packageName)) { 8623 BasePermission tree = findPermissionTreeLP(p.info.name); 8624 if (tree == null 8625 || tree.sourcePackage.equals(p.info.packageName)) { 8626 bp.packageSetting = pkgSetting; 8627 bp.perm = p; 8628 bp.uid = pkg.applicationInfo.uid; 8629 bp.sourcePackage = p.info.packageName; 8630 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8631 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8632 if (r == null) { 8633 r = new StringBuilder(256); 8634 } else { 8635 r.append(' '); 8636 } 8637 r.append(p.info.name); 8638 } 8639 } else { 8640 Slog.w(TAG, "Permission " + p.info.name + " from package " 8641 + p.info.packageName + " ignored: base tree " 8642 + tree.name + " is from package " 8643 + tree.sourcePackage); 8644 } 8645 } else { 8646 Slog.w(TAG, "Permission " + p.info.name + " from package " 8647 + p.info.packageName + " ignored: original from " 8648 + bp.sourcePackage); 8649 } 8650 } else if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8651 if (r == null) { 8652 r = new StringBuilder(256); 8653 } else { 8654 r.append(' '); 8655 } 8656 r.append("DUP:"); 8657 r.append(p.info.name); 8658 } 8659 if (bp.perm == p) { 8660 bp.protectionLevel = p.info.protectionLevel; 8661 } 8662 } 8663 8664 if (r != null) { 8665 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8666 } 8667 8668 N = pkg.instrumentation.size(); 8669 r = null; 8670 for (i=0; i<N; i++) { 8671 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8672 a.info.packageName = pkg.applicationInfo.packageName; 8673 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8674 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8675 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8676 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8677 a.info.dataDir = pkg.applicationInfo.dataDir; 8678 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8679 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8680 8681 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8682 // need other information about the application, like the ABI and what not ? 8683 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8684 mInstrumentation.put(a.getComponentName(), a); 8685 if ((policyFlags&PackageParser.PARSE_CHATTY) != 0) { 8686 if (r == null) { 8687 r = new StringBuilder(256); 8688 } else { 8689 r.append(' '); 8690 } 8691 r.append(a.info.name); 8692 } 8693 } 8694 if (r != null) { 8695 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8696 } 8697 8698 if (pkg.protectedBroadcasts != null) { 8699 N = pkg.protectedBroadcasts.size(); 8700 for (i=0; i<N; i++) { 8701 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8702 } 8703 } 8704 8705 pkgSetting.setTimeStamp(scanFileTime); 8706 8707 // Create idmap files for pairs of (packages, overlay packages). 8708 // Note: "android", ie framework-res.apk, is handled by native layers. 8709 if (pkg.mOverlayTarget != null) { 8710 // This is an overlay package. 8711 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8712 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8713 mOverlays.put(pkg.mOverlayTarget, 8714 new ArrayMap<String, PackageParser.Package>()); 8715 } 8716 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8717 map.put(pkg.packageName, pkg); 8718 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8719 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8720 createIdmapFailed = true; 8721 } 8722 } 8723 } else if (mOverlays.containsKey(pkg.packageName) && 8724 !pkg.packageName.equals("android")) { 8725 // This is a regular package, with one or more known overlay packages. 8726 createIdmapsForPackageLI(pkg); 8727 } 8728 } 8729 8730 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8731 8732 if (createIdmapFailed) { 8733 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8734 "scanPackageLI failed to createIdmap"); 8735 } 8736 return pkg; 8737 } 8738 8739 /** 8740 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8741 * is derived purely on the basis of the contents of {@code scanFile} and 8742 * {@code cpuAbiOverride}. 8743 * 8744 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8745 */ 8746 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8747 String cpuAbiOverride, boolean extractLibs) 8748 throws PackageManagerException { 8749 // TODO: We can probably be smarter about this stuff. For installed apps, 8750 // we can calculate this information at install time once and for all. For 8751 // system apps, we can probably assume that this information doesn't change 8752 // after the first boot scan. As things stand, we do lots of unnecessary work. 8753 8754 // Give ourselves some initial paths; we'll come back for another 8755 // pass once we've determined ABI below. 8756 setNativeLibraryPaths(pkg); 8757 8758 // We would never need to extract libs for forward-locked and external packages, 8759 // since the container service will do it for us. We shouldn't attempt to 8760 // extract libs from system app when it was not updated. 8761 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8762 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8763 extractLibs = false; 8764 } 8765 8766 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8767 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8768 8769 NativeLibraryHelper.Handle handle = null; 8770 try { 8771 handle = NativeLibraryHelper.Handle.create(pkg); 8772 // TODO(multiArch): This can be null for apps that didn't go through the 8773 // usual installation process. We can calculate it again, like we 8774 // do during install time. 8775 // 8776 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8777 // unnecessary. 8778 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8779 8780 // Null out the abis so that they can be recalculated. 8781 pkg.applicationInfo.primaryCpuAbi = null; 8782 pkg.applicationInfo.secondaryCpuAbi = null; 8783 if (isMultiArch(pkg.applicationInfo)) { 8784 // Warn if we've set an abiOverride for multi-lib packages.. 8785 // By definition, we need to copy both 32 and 64 bit libraries for 8786 // such packages. 8787 if (pkg.cpuAbiOverride != null 8788 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8789 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8790 } 8791 8792 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8793 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8794 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8795 if (extractLibs) { 8796 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8797 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8798 useIsaSpecificSubdirs); 8799 } else { 8800 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8801 } 8802 } 8803 8804 maybeThrowExceptionForMultiArchCopy( 8805 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8806 8807 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8808 if (extractLibs) { 8809 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8810 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8811 useIsaSpecificSubdirs); 8812 } else { 8813 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8814 } 8815 } 8816 8817 maybeThrowExceptionForMultiArchCopy( 8818 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8819 8820 if (abi64 >= 0) { 8821 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8822 } 8823 8824 if (abi32 >= 0) { 8825 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8826 if (abi64 >= 0) { 8827 if (pkg.use32bitAbi) { 8828 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8829 pkg.applicationInfo.primaryCpuAbi = abi; 8830 } else { 8831 pkg.applicationInfo.secondaryCpuAbi = abi; 8832 } 8833 } else { 8834 pkg.applicationInfo.primaryCpuAbi = abi; 8835 } 8836 } 8837 8838 } else { 8839 String[] abiList = (cpuAbiOverride != null) ? 8840 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8841 8842 // Enable gross and lame hacks for apps that are built with old 8843 // SDK tools. We must scan their APKs for renderscript bitcode and 8844 // not launch them if it's present. Don't bother checking on devices 8845 // that don't have 64 bit support. 8846 boolean needsRenderScriptOverride = false; 8847 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8848 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8849 abiList = Build.SUPPORTED_32_BIT_ABIS; 8850 needsRenderScriptOverride = true; 8851 } 8852 8853 final int copyRet; 8854 if (extractLibs) { 8855 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8856 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8857 } else { 8858 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8859 } 8860 8861 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8862 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8863 "Error unpackaging native libs for app, errorCode=" + copyRet); 8864 } 8865 8866 if (copyRet >= 0) { 8867 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8868 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8869 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8870 } else if (needsRenderScriptOverride) { 8871 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8872 } 8873 } 8874 } catch (IOException ioe) { 8875 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8876 } finally { 8877 IoUtils.closeQuietly(handle); 8878 } 8879 8880 // Now that we've calculated the ABIs and determined if it's an internal app, 8881 // we will go ahead and populate the nativeLibraryPath. 8882 setNativeLibraryPaths(pkg); 8883 } 8884 8885 /** 8886 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8887 * i.e, so that all packages can be run inside a single process if required. 8888 * 8889 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8890 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8891 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8892 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8893 * updating a package that belongs to a shared user. 8894 * 8895 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8896 * adds unnecessary complexity. 8897 */ 8898 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8899 PackageParser.Package scannedPackage, boolean bootComplete) { 8900 String requiredInstructionSet = null; 8901 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8902 requiredInstructionSet = VMRuntime.getInstructionSet( 8903 scannedPackage.applicationInfo.primaryCpuAbi); 8904 } 8905 8906 PackageSetting requirer = null; 8907 for (PackageSetting ps : packagesForUser) { 8908 // If packagesForUser contains scannedPackage, we skip it. This will happen 8909 // when scannedPackage is an update of an existing package. Without this check, 8910 // we will never be able to change the ABI of any package belonging to a shared 8911 // user, even if it's compatible with other packages. 8912 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8913 if (ps.primaryCpuAbiString == null) { 8914 continue; 8915 } 8916 8917 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8918 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8919 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8920 // this but there's not much we can do. 8921 String errorMessage = "Instruction set mismatch, " 8922 + ((requirer == null) ? "[caller]" : requirer) 8923 + " requires " + requiredInstructionSet + " whereas " + ps 8924 + " requires " + instructionSet; 8925 Slog.w(TAG, errorMessage); 8926 } 8927 8928 if (requiredInstructionSet == null) { 8929 requiredInstructionSet = instructionSet; 8930 requirer = ps; 8931 } 8932 } 8933 } 8934 8935 if (requiredInstructionSet != null) { 8936 String adjustedAbi; 8937 if (requirer != null) { 8938 // requirer != null implies that either scannedPackage was null or that scannedPackage 8939 // did not require an ABI, in which case we have to adjust scannedPackage to match 8940 // the ABI of the set (which is the same as requirer's ABI) 8941 adjustedAbi = requirer.primaryCpuAbiString; 8942 if (scannedPackage != null) { 8943 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8944 } 8945 } else { 8946 // requirer == null implies that we're updating all ABIs in the set to 8947 // match scannedPackage. 8948 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8949 } 8950 8951 for (PackageSetting ps : packagesForUser) { 8952 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8953 if (ps.primaryCpuAbiString != null) { 8954 continue; 8955 } 8956 8957 ps.primaryCpuAbiString = adjustedAbi; 8958 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8959 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8960 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8961 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8962 + " (requirer=" 8963 + (requirer == null ? "null" : requirer.pkg.packageName) 8964 + ", scannedPackage=" 8965 + (scannedPackage != null ? scannedPackage.packageName : "null") 8966 + ")"); 8967 try { 8968 mInstaller.rmdex(ps.codePathString, 8969 getDexCodeInstructionSet(getPreferredInstructionSet())); 8970 } catch (InstallerException ignored) { 8971 } 8972 } 8973 } 8974 } 8975 } 8976 } 8977 8978 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8979 synchronized (mPackages) { 8980 mResolverReplaced = true; 8981 // Set up information for custom user intent resolution activity. 8982 mResolveActivity.applicationInfo = pkg.applicationInfo; 8983 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8984 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8985 mResolveActivity.processName = pkg.applicationInfo.packageName; 8986 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8987 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8988 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8989 mResolveActivity.theme = 0; 8990 mResolveActivity.exported = true; 8991 mResolveActivity.enabled = true; 8992 mResolveInfo.activityInfo = mResolveActivity; 8993 mResolveInfo.priority = 0; 8994 mResolveInfo.preferredOrder = 0; 8995 mResolveInfo.match = 0; 8996 mResolveComponentName = mCustomResolverComponentName; 8997 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8998 mResolveComponentName); 8999 } 9000 } 9001 9002 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 9003 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 9004 9005 // Set up information for ephemeral installer activity 9006 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 9007 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 9008 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 9009 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 9010 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 9011 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 9012 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 9013 mEphemeralInstallerActivity.theme = 0; 9014 mEphemeralInstallerActivity.exported = true; 9015 mEphemeralInstallerActivity.enabled = true; 9016 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 9017 mEphemeralInstallerInfo.priority = 0; 9018 mEphemeralInstallerInfo.preferredOrder = 0; 9019 mEphemeralInstallerInfo.match = 0; 9020 9021 if (DEBUG_EPHEMERAL) { 9022 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 9023 } 9024 } 9025 9026 private static String calculateBundledApkRoot(final String codePathString) { 9027 final File codePath = new File(codePathString); 9028 final File codeRoot; 9029 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 9030 codeRoot = Environment.getRootDirectory(); 9031 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 9032 codeRoot = Environment.getOemDirectory(); 9033 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 9034 codeRoot = Environment.getVendorDirectory(); 9035 } else { 9036 // Unrecognized code path; take its top real segment as the apk root: 9037 // e.g. /something/app/blah.apk => /something 9038 try { 9039 File f = codePath.getCanonicalFile(); 9040 File parent = f.getParentFile(); // non-null because codePath is a file 9041 File tmp; 9042 while ((tmp = parent.getParentFile()) != null) { 9043 f = parent; 9044 parent = tmp; 9045 } 9046 codeRoot = f; 9047 Slog.w(TAG, "Unrecognized code path " 9048 + codePath + " - using " + codeRoot); 9049 } catch (IOException e) { 9050 // Can't canonicalize the code path -- shenanigans? 9051 Slog.w(TAG, "Can't canonicalize code path " + codePath); 9052 return Environment.getRootDirectory().getPath(); 9053 } 9054 } 9055 return codeRoot.getPath(); 9056 } 9057 9058 /** 9059 * Derive and set the location of native libraries for the given package, 9060 * which varies depending on where and how the package was installed. 9061 */ 9062 private void setNativeLibraryPaths(PackageParser.Package pkg) { 9063 final ApplicationInfo info = pkg.applicationInfo; 9064 final String codePath = pkg.codePath; 9065 final File codeFile = new File(codePath); 9066 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 9067 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 9068 9069 info.nativeLibraryRootDir = null; 9070 info.nativeLibraryRootRequiresIsa = false; 9071 info.nativeLibraryDir = null; 9072 info.secondaryNativeLibraryDir = null; 9073 9074 if (isApkFile(codeFile)) { 9075 // Monolithic install 9076 if (bundledApp) { 9077 // If "/system/lib64/apkname" exists, assume that is the per-package 9078 // native library directory to use; otherwise use "/system/lib/apkname". 9079 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 9080 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 9081 getPrimaryInstructionSet(info)); 9082 9083 // This is a bundled system app so choose the path based on the ABI. 9084 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 9085 // is just the default path. 9086 final String apkName = deriveCodePathName(codePath); 9087 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 9088 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 9089 apkName).getAbsolutePath(); 9090 9091 if (info.secondaryCpuAbi != null) { 9092 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 9093 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 9094 secondaryLibDir, apkName).getAbsolutePath(); 9095 } 9096 } else if (asecApp) { 9097 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 9098 .getAbsolutePath(); 9099 } else { 9100 final String apkName = deriveCodePathName(codePath); 9101 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 9102 .getAbsolutePath(); 9103 } 9104 9105 info.nativeLibraryRootRequiresIsa = false; 9106 info.nativeLibraryDir = info.nativeLibraryRootDir; 9107 } else { 9108 // Cluster install 9109 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 9110 info.nativeLibraryRootRequiresIsa = true; 9111 9112 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 9113 getPrimaryInstructionSet(info)).getAbsolutePath(); 9114 9115 if (info.secondaryCpuAbi != null) { 9116 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 9117 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 9118 } 9119 } 9120 } 9121 9122 /** 9123 * Calculate the abis and roots for a bundled app. These can uniquely 9124 * be determined from the contents of the system partition, i.e whether 9125 * it contains 64 or 32 bit shared libraries etc. We do not validate any 9126 * of this information, and instead assume that the system was built 9127 * sensibly. 9128 */ 9129 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 9130 PackageSetting pkgSetting) { 9131 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 9132 9133 // If "/system/lib64/apkname" exists, assume that is the per-package 9134 // native library directory to use; otherwise use "/system/lib/apkname". 9135 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 9136 setBundledAppAbi(pkg, apkRoot, apkName); 9137 // pkgSetting might be null during rescan following uninstall of updates 9138 // to a bundled app, so accommodate that possibility. The settings in 9139 // that case will be established later from the parsed package. 9140 // 9141 // If the settings aren't null, sync them up with what we've just derived. 9142 // note that apkRoot isn't stored in the package settings. 9143 if (pkgSetting != null) { 9144 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9145 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9146 } 9147 } 9148 9149 /** 9150 * Deduces the ABI of a bundled app and sets the relevant fields on the 9151 * parsed pkg object. 9152 * 9153 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 9154 * under which system libraries are installed. 9155 * @param apkName the name of the installed package. 9156 */ 9157 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 9158 final File codeFile = new File(pkg.codePath); 9159 9160 final boolean has64BitLibs; 9161 final boolean has32BitLibs; 9162 if (isApkFile(codeFile)) { 9163 // Monolithic install 9164 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 9165 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 9166 } else { 9167 // Cluster install 9168 final File rootDir = new File(codeFile, LIB_DIR_NAME); 9169 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 9170 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 9171 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 9172 has64BitLibs = (new File(rootDir, isa)).exists(); 9173 } else { 9174 has64BitLibs = false; 9175 } 9176 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 9177 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 9178 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 9179 has32BitLibs = (new File(rootDir, isa)).exists(); 9180 } else { 9181 has32BitLibs = false; 9182 } 9183 } 9184 9185 if (has64BitLibs && !has32BitLibs) { 9186 // The package has 64 bit libs, but not 32 bit libs. Its primary 9187 // ABI should be 64 bit. We can safely assume here that the bundled 9188 // native libraries correspond to the most preferred ABI in the list. 9189 9190 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9191 pkg.applicationInfo.secondaryCpuAbi = null; 9192 } else if (has32BitLibs && !has64BitLibs) { 9193 // The package has 32 bit libs but not 64 bit libs. Its primary 9194 // ABI should be 32 bit. 9195 9196 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9197 pkg.applicationInfo.secondaryCpuAbi = null; 9198 } else if (has32BitLibs && has64BitLibs) { 9199 // The application has both 64 and 32 bit bundled libraries. We check 9200 // here that the app declares multiArch support, and warn if it doesn't. 9201 // 9202 // We will be lenient here and record both ABIs. The primary will be the 9203 // ABI that's higher on the list, i.e, a device that's configured to prefer 9204 // 64 bit apps will see a 64 bit primary ABI, 9205 9206 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 9207 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 9208 } 9209 9210 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 9211 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9212 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9213 } else { 9214 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 9215 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 9216 } 9217 } else { 9218 pkg.applicationInfo.primaryCpuAbi = null; 9219 pkg.applicationInfo.secondaryCpuAbi = null; 9220 } 9221 } 9222 9223 private void killApplication(String pkgName, int appId, String reason) { 9224 // Request the ActivityManager to kill the process(only for existing packages) 9225 // so that we do not end up in a confused state while the user is still using the older 9226 // version of the application while the new one gets installed. 9227 final long token = Binder.clearCallingIdentity(); 9228 try { 9229 IActivityManager am = ActivityManagerNative.getDefault(); 9230 if (am != null) { 9231 try { 9232 am.killApplicationWithAppId(pkgName, appId, reason); 9233 } catch (RemoteException e) { 9234 } 9235 } 9236 } finally { 9237 Binder.restoreCallingIdentity(token); 9238 } 9239 } 9240 9241 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9242 // Remove the parent package setting 9243 PackageSetting ps = (PackageSetting) pkg.mExtras; 9244 if (ps != null) { 9245 removePackageLI(ps, chatty); 9246 } 9247 // Remove the child package setting 9248 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9249 for (int i = 0; i < childCount; i++) { 9250 PackageParser.Package childPkg = pkg.childPackages.get(i); 9251 ps = (PackageSetting) childPkg.mExtras; 9252 if (ps != null) { 9253 removePackageLI(ps, chatty); 9254 } 9255 } 9256 } 9257 9258 void removePackageLI(PackageSetting ps, boolean chatty) { 9259 if (DEBUG_INSTALL) { 9260 if (chatty) 9261 Log.d(TAG, "Removing package " + ps.name); 9262 } 9263 9264 // writer 9265 synchronized (mPackages) { 9266 mPackages.remove(ps.name); 9267 final PackageParser.Package pkg = ps.pkg; 9268 if (pkg != null) { 9269 cleanPackageDataStructuresLILPw(pkg, chatty); 9270 } 9271 } 9272 } 9273 9274 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9275 if (DEBUG_INSTALL) { 9276 if (chatty) 9277 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9278 } 9279 9280 // writer 9281 synchronized (mPackages) { 9282 // Remove the parent package 9283 mPackages.remove(pkg.applicationInfo.packageName); 9284 cleanPackageDataStructuresLILPw(pkg, chatty); 9285 9286 // Remove the child packages 9287 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9288 for (int i = 0; i < childCount; i++) { 9289 PackageParser.Package childPkg = pkg.childPackages.get(i); 9290 mPackages.remove(childPkg.applicationInfo.packageName); 9291 cleanPackageDataStructuresLILPw(childPkg, chatty); 9292 } 9293 } 9294 } 9295 9296 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9297 int N = pkg.providers.size(); 9298 StringBuilder r = null; 9299 int i; 9300 for (i=0; i<N; i++) { 9301 PackageParser.Provider p = pkg.providers.get(i); 9302 mProviders.removeProvider(p); 9303 if (p.info.authority == null) { 9304 9305 /* There was another ContentProvider with this authority when 9306 * this app was installed so this authority is null, 9307 * Ignore it as we don't have to unregister the provider. 9308 */ 9309 continue; 9310 } 9311 String names[] = p.info.authority.split(";"); 9312 for (int j = 0; j < names.length; j++) { 9313 if (mProvidersByAuthority.get(names[j]) == p) { 9314 mProvidersByAuthority.remove(names[j]); 9315 if (DEBUG_REMOVE) { 9316 if (chatty) 9317 Log.d(TAG, "Unregistered content provider: " + names[j] 9318 + ", className = " + p.info.name + ", isSyncable = " 9319 + p.info.isSyncable); 9320 } 9321 } 9322 } 9323 if (DEBUG_REMOVE && chatty) { 9324 if (r == null) { 9325 r = new StringBuilder(256); 9326 } else { 9327 r.append(' '); 9328 } 9329 r.append(p.info.name); 9330 } 9331 } 9332 if (r != null) { 9333 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9334 } 9335 9336 N = pkg.services.size(); 9337 r = null; 9338 for (i=0; i<N; i++) { 9339 PackageParser.Service s = pkg.services.get(i); 9340 mServices.removeService(s); 9341 if (chatty) { 9342 if (r == null) { 9343 r = new StringBuilder(256); 9344 } else { 9345 r.append(' '); 9346 } 9347 r.append(s.info.name); 9348 } 9349 } 9350 if (r != null) { 9351 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9352 } 9353 9354 N = pkg.receivers.size(); 9355 r = null; 9356 for (i=0; i<N; i++) { 9357 PackageParser.Activity a = pkg.receivers.get(i); 9358 mReceivers.removeActivity(a, "receiver"); 9359 if (DEBUG_REMOVE && chatty) { 9360 if (r == null) { 9361 r = new StringBuilder(256); 9362 } else { 9363 r.append(' '); 9364 } 9365 r.append(a.info.name); 9366 } 9367 } 9368 if (r != null) { 9369 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9370 } 9371 9372 N = pkg.activities.size(); 9373 r = null; 9374 for (i=0; i<N; i++) { 9375 PackageParser.Activity a = pkg.activities.get(i); 9376 mActivities.removeActivity(a, "activity"); 9377 if (DEBUG_REMOVE && chatty) { 9378 if (r == null) { 9379 r = new StringBuilder(256); 9380 } else { 9381 r.append(' '); 9382 } 9383 r.append(a.info.name); 9384 } 9385 } 9386 if (r != null) { 9387 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9388 } 9389 9390 N = pkg.permissions.size(); 9391 r = null; 9392 for (i=0; i<N; i++) { 9393 PackageParser.Permission p = pkg.permissions.get(i); 9394 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9395 if (bp == null) { 9396 bp = mSettings.mPermissionTrees.get(p.info.name); 9397 } 9398 if (bp != null && bp.perm == p) { 9399 bp.perm = null; 9400 if (DEBUG_REMOVE && chatty) { 9401 if (r == null) { 9402 r = new StringBuilder(256); 9403 } else { 9404 r.append(' '); 9405 } 9406 r.append(p.info.name); 9407 } 9408 } 9409 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9410 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9411 if (appOpPkgs != null) { 9412 appOpPkgs.remove(pkg.packageName); 9413 } 9414 } 9415 } 9416 if (r != null) { 9417 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9418 } 9419 9420 N = pkg.requestedPermissions.size(); 9421 r = null; 9422 for (i=0; i<N; i++) { 9423 String perm = pkg.requestedPermissions.get(i); 9424 BasePermission bp = mSettings.mPermissions.get(perm); 9425 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9426 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9427 if (appOpPkgs != null) { 9428 appOpPkgs.remove(pkg.packageName); 9429 if (appOpPkgs.isEmpty()) { 9430 mAppOpPermissionPackages.remove(perm); 9431 } 9432 } 9433 } 9434 } 9435 if (r != null) { 9436 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9437 } 9438 9439 N = pkg.instrumentation.size(); 9440 r = null; 9441 for (i=0; i<N; i++) { 9442 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9443 mInstrumentation.remove(a.getComponentName()); 9444 if (DEBUG_REMOVE && chatty) { 9445 if (r == null) { 9446 r = new StringBuilder(256); 9447 } else { 9448 r.append(' '); 9449 } 9450 r.append(a.info.name); 9451 } 9452 } 9453 if (r != null) { 9454 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9455 } 9456 9457 r = null; 9458 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9459 // Only system apps can hold shared libraries. 9460 if (pkg.libraryNames != null) { 9461 for (i=0; i<pkg.libraryNames.size(); i++) { 9462 String name = pkg.libraryNames.get(i); 9463 SharedLibraryEntry cur = mSharedLibraries.get(name); 9464 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9465 mSharedLibraries.remove(name); 9466 if (DEBUG_REMOVE && chatty) { 9467 if (r == null) { 9468 r = new StringBuilder(256); 9469 } else { 9470 r.append(' '); 9471 } 9472 r.append(name); 9473 } 9474 } 9475 } 9476 } 9477 } 9478 if (r != null) { 9479 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9480 } 9481 } 9482 9483 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9484 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9485 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9486 return true; 9487 } 9488 } 9489 return false; 9490 } 9491 9492 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9493 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9494 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9495 9496 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9497 // Update the parent permissions 9498 updatePermissionsLPw(pkg.packageName, pkg, flags); 9499 // Update the child permissions 9500 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9501 for (int i = 0; i < childCount; i++) { 9502 PackageParser.Package childPkg = pkg.childPackages.get(i); 9503 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9504 } 9505 } 9506 9507 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9508 int flags) { 9509 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9510 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9511 } 9512 9513 private void updatePermissionsLPw(String changingPkg, 9514 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9515 // Make sure there are no dangling permission trees. 9516 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9517 while (it.hasNext()) { 9518 final BasePermission bp = it.next(); 9519 if (bp.packageSetting == null) { 9520 // We may not yet have parsed the package, so just see if 9521 // we still know about its settings. 9522 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9523 } 9524 if (bp.packageSetting == null) { 9525 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9526 + " from package " + bp.sourcePackage); 9527 it.remove(); 9528 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9529 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9530 Slog.i(TAG, "Removing old permission tree: " + bp.name 9531 + " from package " + bp.sourcePackage); 9532 flags |= UPDATE_PERMISSIONS_ALL; 9533 it.remove(); 9534 } 9535 } 9536 } 9537 9538 // Make sure all dynamic permissions have been assigned to a package, 9539 // and make sure there are no dangling permissions. 9540 it = mSettings.mPermissions.values().iterator(); 9541 while (it.hasNext()) { 9542 final BasePermission bp = it.next(); 9543 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9544 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9545 + bp.name + " pkg=" + bp.sourcePackage 9546 + " info=" + bp.pendingInfo); 9547 if (bp.packageSetting == null && bp.pendingInfo != null) { 9548 final BasePermission tree = findPermissionTreeLP(bp.name); 9549 if (tree != null && tree.perm != null) { 9550 bp.packageSetting = tree.packageSetting; 9551 bp.perm = new PackageParser.Permission(tree.perm.owner, 9552 new PermissionInfo(bp.pendingInfo)); 9553 bp.perm.info.packageName = tree.perm.info.packageName; 9554 bp.perm.info.name = bp.name; 9555 bp.uid = tree.uid; 9556 } 9557 } 9558 } 9559 if (bp.packageSetting == null) { 9560 // We may not yet have parsed the package, so just see if 9561 // we still know about its settings. 9562 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9563 } 9564 if (bp.packageSetting == null) { 9565 Slog.w(TAG, "Removing dangling permission: " + bp.name 9566 + " from package " + bp.sourcePackage); 9567 it.remove(); 9568 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9569 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9570 Slog.i(TAG, "Removing old permission: " + bp.name 9571 + " from package " + bp.sourcePackage); 9572 flags |= UPDATE_PERMISSIONS_ALL; 9573 it.remove(); 9574 } 9575 } 9576 } 9577 9578 // Now update the permissions for all packages, in particular 9579 // replace the granted permissions of the system packages. 9580 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9581 for (PackageParser.Package pkg : mPackages.values()) { 9582 if (pkg != pkgInfo) { 9583 // Only replace for packages on requested volume 9584 final String volumeUuid = getVolumeUuidForPackage(pkg); 9585 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9586 && Objects.equals(replaceVolumeUuid, volumeUuid); 9587 grantPermissionsLPw(pkg, replace, changingPkg); 9588 } 9589 } 9590 } 9591 9592 if (pkgInfo != null) { 9593 // Only replace for packages on requested volume 9594 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9595 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9596 && Objects.equals(replaceVolumeUuid, volumeUuid); 9597 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9598 } 9599 } 9600 9601 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9602 String packageOfInterest) { 9603 // IMPORTANT: There are two types of permissions: install and runtime. 9604 // Install time permissions are granted when the app is installed to 9605 // all device users and users added in the future. Runtime permissions 9606 // are granted at runtime explicitly to specific users. Normal and signature 9607 // protected permissions are install time permissions. Dangerous permissions 9608 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9609 // otherwise they are runtime permissions. This function does not manage 9610 // runtime permissions except for the case an app targeting Lollipop MR1 9611 // being upgraded to target a newer SDK, in which case dangerous permissions 9612 // are transformed from install time to runtime ones. 9613 9614 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9615 if (ps == null) { 9616 return; 9617 } 9618 9619 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9620 9621 PermissionsState permissionsState = ps.getPermissionsState(); 9622 PermissionsState origPermissions = permissionsState; 9623 9624 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9625 9626 boolean runtimePermissionsRevoked = false; 9627 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9628 9629 boolean changedInstallPermission = false; 9630 9631 if (replace) { 9632 ps.installPermissionsFixed = false; 9633 if (!ps.isSharedUser()) { 9634 origPermissions = new PermissionsState(permissionsState); 9635 permissionsState.reset(); 9636 } else { 9637 // We need to know only about runtime permission changes since the 9638 // calling code always writes the install permissions state but 9639 // the runtime ones are written only if changed. The only cases of 9640 // changed runtime permissions here are promotion of an install to 9641 // runtime and revocation of a runtime from a shared user. 9642 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9643 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9644 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9645 runtimePermissionsRevoked = true; 9646 } 9647 } 9648 } 9649 9650 permissionsState.setGlobalGids(mGlobalGids); 9651 9652 final int N = pkg.requestedPermissions.size(); 9653 for (int i=0; i<N; i++) { 9654 final String name = pkg.requestedPermissions.get(i); 9655 final BasePermission bp = mSettings.mPermissions.get(name); 9656 9657 if (DEBUG_INSTALL) { 9658 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9659 } 9660 9661 if (bp == null || bp.packageSetting == null) { 9662 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9663 Slog.w(TAG, "Unknown permission " + name 9664 + " in package " + pkg.packageName); 9665 } 9666 continue; 9667 } 9668 9669 final String perm = bp.name; 9670 boolean allowedSig = false; 9671 int grant = GRANT_DENIED; 9672 9673 // Keep track of app op permissions. 9674 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9675 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9676 if (pkgs == null) { 9677 pkgs = new ArraySet<>(); 9678 mAppOpPermissionPackages.put(bp.name, pkgs); 9679 } 9680 pkgs.add(pkg.packageName); 9681 } 9682 9683 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9684 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9685 >= Build.VERSION_CODES.M; 9686 switch (level) { 9687 case PermissionInfo.PROTECTION_NORMAL: { 9688 // For all apps normal permissions are install time ones. 9689 grant = GRANT_INSTALL; 9690 } break; 9691 9692 case PermissionInfo.PROTECTION_DANGEROUS: { 9693 // If a permission review is required for legacy apps we represent 9694 // their permissions as always granted runtime ones since we need 9695 // to keep the review required permission flag per user while an 9696 // install permission's state is shared across all users. 9697 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9698 // For legacy apps dangerous permissions are install time ones. 9699 grant = GRANT_INSTALL; 9700 } else if (origPermissions.hasInstallPermission(bp.name)) { 9701 // For legacy apps that became modern, install becomes runtime. 9702 grant = GRANT_UPGRADE; 9703 } else if (mPromoteSystemApps 9704 && isSystemApp(ps) 9705 && mExistingSystemPackages.contains(ps.name)) { 9706 // For legacy system apps, install becomes runtime. 9707 // We cannot check hasInstallPermission() for system apps since those 9708 // permissions were granted implicitly and not persisted pre-M. 9709 grant = GRANT_UPGRADE; 9710 } else { 9711 // For modern apps keep runtime permissions unchanged. 9712 grant = GRANT_RUNTIME; 9713 } 9714 } break; 9715 9716 case PermissionInfo.PROTECTION_SIGNATURE: { 9717 // For all apps signature permissions are install time ones. 9718 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9719 if (allowedSig) { 9720 grant = GRANT_INSTALL; 9721 } 9722 } break; 9723 } 9724 9725 if (DEBUG_INSTALL) { 9726 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9727 } 9728 9729 if (grant != GRANT_DENIED) { 9730 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9731 // If this is an existing, non-system package, then 9732 // we can't add any new permissions to it. 9733 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9734 // Except... if this is a permission that was added 9735 // to the platform (note: need to only do this when 9736 // updating the platform). 9737 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9738 grant = GRANT_DENIED; 9739 } 9740 } 9741 } 9742 9743 switch (grant) { 9744 case GRANT_INSTALL: { 9745 // Revoke this as runtime permission to handle the case of 9746 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9747 for (int userId : UserManagerService.getInstance().getUserIds()) { 9748 if (origPermissions.getRuntimePermissionState( 9749 bp.name, userId) != null) { 9750 // Revoke the runtime permission and clear the flags. 9751 origPermissions.revokeRuntimePermission(bp, userId); 9752 origPermissions.updatePermissionFlags(bp, userId, 9753 PackageManager.MASK_PERMISSION_FLAGS, 0); 9754 // If we revoked a permission permission, we have to write. 9755 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9756 changedRuntimePermissionUserIds, userId); 9757 } 9758 } 9759 // Grant an install permission. 9760 if (permissionsState.grantInstallPermission(bp) != 9761 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9762 changedInstallPermission = true; 9763 } 9764 } break; 9765 9766 case GRANT_RUNTIME: { 9767 // Grant previously granted runtime permissions. 9768 for (int userId : UserManagerService.getInstance().getUserIds()) { 9769 PermissionState permissionState = origPermissions 9770 .getRuntimePermissionState(bp.name, userId); 9771 int flags = permissionState != null 9772 ? permissionState.getFlags() : 0; 9773 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9774 if (permissionsState.grantRuntimePermission(bp, userId) == 9775 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9776 // If we cannot put the permission as it was, we have to write. 9777 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9778 changedRuntimePermissionUserIds, userId); 9779 } 9780 // If the app supports runtime permissions no need for a review. 9781 if (Build.PERMISSIONS_REVIEW_REQUIRED 9782 && appSupportsRuntimePermissions 9783 && (flags & PackageManager 9784 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9785 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9786 // Since we changed the flags, we have to write. 9787 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9788 changedRuntimePermissionUserIds, userId); 9789 } 9790 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9791 && !appSupportsRuntimePermissions) { 9792 // For legacy apps that need a permission review, every new 9793 // runtime permission is granted but it is pending a review. 9794 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9795 permissionsState.grantRuntimePermission(bp, userId); 9796 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9797 // We changed the permission and flags, hence have to write. 9798 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9799 changedRuntimePermissionUserIds, userId); 9800 } 9801 } 9802 // Propagate the permission flags. 9803 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9804 } 9805 } break; 9806 9807 case GRANT_UPGRADE: { 9808 // Grant runtime permissions for a previously held install permission. 9809 PermissionState permissionState = origPermissions 9810 .getInstallPermissionState(bp.name); 9811 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9812 9813 if (origPermissions.revokeInstallPermission(bp) 9814 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9815 // We will be transferring the permission flags, so clear them. 9816 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9817 PackageManager.MASK_PERMISSION_FLAGS, 0); 9818 changedInstallPermission = true; 9819 } 9820 9821 // If the permission is not to be promoted to runtime we ignore it and 9822 // also its other flags as they are not applicable to install permissions. 9823 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9824 for (int userId : currentUserIds) { 9825 if (permissionsState.grantRuntimePermission(bp, userId) != 9826 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9827 // Transfer the permission flags. 9828 permissionsState.updatePermissionFlags(bp, userId, 9829 flags, flags); 9830 // If we granted the permission, we have to write. 9831 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9832 changedRuntimePermissionUserIds, userId); 9833 } 9834 } 9835 } 9836 } break; 9837 9838 default: { 9839 if (packageOfInterest == null 9840 || packageOfInterest.equals(pkg.packageName)) { 9841 Slog.w(TAG, "Not granting permission " + perm 9842 + " to package " + pkg.packageName 9843 + " because it was previously installed without"); 9844 } 9845 } break; 9846 } 9847 } else { 9848 if (permissionsState.revokeInstallPermission(bp) != 9849 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9850 // Also drop the permission flags. 9851 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9852 PackageManager.MASK_PERMISSION_FLAGS, 0); 9853 changedInstallPermission = true; 9854 Slog.i(TAG, "Un-granting permission " + perm 9855 + " from package " + pkg.packageName 9856 + " (protectionLevel=" + bp.protectionLevel 9857 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9858 + ")"); 9859 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9860 // Don't print warning for app op permissions, since it is fine for them 9861 // not to be granted, there is a UI for the user to decide. 9862 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9863 Slog.w(TAG, "Not granting permission " + perm 9864 + " to package " + pkg.packageName 9865 + " (protectionLevel=" + bp.protectionLevel 9866 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9867 + ")"); 9868 } 9869 } 9870 } 9871 } 9872 9873 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9874 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9875 // This is the first that we have heard about this package, so the 9876 // permissions we have now selected are fixed until explicitly 9877 // changed. 9878 ps.installPermissionsFixed = true; 9879 } 9880 9881 // Persist the runtime permissions state for users with changes. If permissions 9882 // were revoked because no app in the shared user declares them we have to 9883 // write synchronously to avoid losing runtime permissions state. 9884 for (int userId : changedRuntimePermissionUserIds) { 9885 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9886 } 9887 9888 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9889 } 9890 9891 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9892 boolean allowed = false; 9893 final int NP = PackageParser.NEW_PERMISSIONS.length; 9894 for (int ip=0; ip<NP; ip++) { 9895 final PackageParser.NewPermissionInfo npi 9896 = PackageParser.NEW_PERMISSIONS[ip]; 9897 if (npi.name.equals(perm) 9898 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9899 allowed = true; 9900 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9901 + pkg.packageName); 9902 break; 9903 } 9904 } 9905 return allowed; 9906 } 9907 9908 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9909 BasePermission bp, PermissionsState origPermissions) { 9910 boolean allowed; 9911 allowed = (compareSignatures( 9912 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9913 == PackageManager.SIGNATURE_MATCH) 9914 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9915 == PackageManager.SIGNATURE_MATCH); 9916 if (!allowed && (bp.protectionLevel 9917 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9918 if (isSystemApp(pkg)) { 9919 // For updated system applications, a system permission 9920 // is granted only if it had been defined by the original application. 9921 if (pkg.isUpdatedSystemApp()) { 9922 final PackageSetting sysPs = mSettings 9923 .getDisabledSystemPkgLPr(pkg.packageName); 9924 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9925 // If the original was granted this permission, we take 9926 // that grant decision as read and propagate it to the 9927 // update. 9928 if (sysPs.isPrivileged()) { 9929 allowed = true; 9930 } 9931 } else { 9932 // The system apk may have been updated with an older 9933 // version of the one on the data partition, but which 9934 // granted a new system permission that it didn't have 9935 // before. In this case we do want to allow the app to 9936 // now get the new permission if the ancestral apk is 9937 // privileged to get it. 9938 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9939 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9940 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9941 allowed = true; 9942 break; 9943 } 9944 } 9945 } 9946 // Also if a privileged parent package on the system image or any of 9947 // its children requested a privileged permission, the updated child 9948 // packages can also get the permission. 9949 if (pkg.parentPackage != null) { 9950 final PackageSetting disabledSysParentPs = mSettings 9951 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9952 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9953 && disabledSysParentPs.isPrivileged()) { 9954 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9955 allowed = true; 9956 } else if (disabledSysParentPs.pkg.childPackages != null) { 9957 final int count = disabledSysParentPs.pkg.childPackages.size(); 9958 for (int i = 0; i < count; i++) { 9959 PackageParser.Package disabledSysChildPkg = 9960 disabledSysParentPs.pkg.childPackages.get(i); 9961 if (isPackageRequestingPermission(disabledSysChildPkg, 9962 perm)) { 9963 allowed = true; 9964 break; 9965 } 9966 } 9967 } 9968 } 9969 } 9970 } 9971 } else { 9972 allowed = isPrivilegedApp(pkg); 9973 } 9974 } 9975 } 9976 if (!allowed) { 9977 if (!allowed && (bp.protectionLevel 9978 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9979 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9980 // If this was a previously normal/dangerous permission that got moved 9981 // to a system permission as part of the runtime permission redesign, then 9982 // we still want to blindly grant it to old apps. 9983 allowed = true; 9984 } 9985 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9986 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9987 // If this permission is to be granted to the system installer and 9988 // this app is an installer, then it gets the permission. 9989 allowed = true; 9990 } 9991 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9992 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9993 // If this permission is to be granted to the system verifier and 9994 // this app is a verifier, then it gets the permission. 9995 allowed = true; 9996 } 9997 if (!allowed && (bp.protectionLevel 9998 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9999 && isSystemApp(pkg)) { 10000 // Any pre-installed system app is allowed to get this permission. 10001 allowed = true; 10002 } 10003 if (!allowed && (bp.protectionLevel 10004 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 10005 // For development permissions, a development permission 10006 // is granted only if it was already granted. 10007 allowed = origPermissions.hasInstallPermission(perm); 10008 } 10009 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 10010 && pkg.packageName.equals(mSetupWizardPackage)) { 10011 // If this permission is to be granted to the system setup wizard and 10012 // this app is a setup wizard, then it gets the permission. 10013 allowed = true; 10014 } 10015 } 10016 return allowed; 10017 } 10018 10019 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 10020 final int permCount = pkg.requestedPermissions.size(); 10021 for (int j = 0; j < permCount; j++) { 10022 String requestedPermission = pkg.requestedPermissions.get(j); 10023 if (permission.equals(requestedPermission)) { 10024 return true; 10025 } 10026 } 10027 return false; 10028 } 10029 10030 final class ActivityIntentResolver 10031 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 10032 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10033 boolean defaultOnly, int userId) { 10034 if (!sUserManager.exists(userId)) return null; 10035 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10036 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10037 } 10038 10039 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10040 int userId) { 10041 if (!sUserManager.exists(userId)) return null; 10042 mFlags = flags; 10043 return super.queryIntent(intent, resolvedType, 10044 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10045 } 10046 10047 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10048 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 10049 if (!sUserManager.exists(userId)) return null; 10050 if (packageActivities == null) { 10051 return null; 10052 } 10053 mFlags = flags; 10054 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10055 final int N = packageActivities.size(); 10056 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 10057 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 10058 10059 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 10060 for (int i = 0; i < N; ++i) { 10061 intentFilters = packageActivities.get(i).intents; 10062 if (intentFilters != null && intentFilters.size() > 0) { 10063 PackageParser.ActivityIntentInfo[] array = 10064 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 10065 intentFilters.toArray(array); 10066 listCut.add(array); 10067 } 10068 } 10069 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10070 } 10071 10072 /** 10073 * Finds a privileged activity that matches the specified activity names. 10074 */ 10075 private PackageParser.Activity findMatchingActivity( 10076 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 10077 for (PackageParser.Activity sysActivity : activityList) { 10078 if (sysActivity.info.name.equals(activityInfo.name)) { 10079 return sysActivity; 10080 } 10081 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 10082 return sysActivity; 10083 } 10084 if (sysActivity.info.targetActivity != null) { 10085 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 10086 return sysActivity; 10087 } 10088 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 10089 return sysActivity; 10090 } 10091 } 10092 } 10093 return null; 10094 } 10095 10096 public class IterGenerator<E> { 10097 public Iterator<E> generate(ActivityIntentInfo info) { 10098 return null; 10099 } 10100 } 10101 10102 public class ActionIterGenerator extends IterGenerator<String> { 10103 @Override 10104 public Iterator<String> generate(ActivityIntentInfo info) { 10105 return info.actionsIterator(); 10106 } 10107 } 10108 10109 public class CategoriesIterGenerator extends IterGenerator<String> { 10110 @Override 10111 public Iterator<String> generate(ActivityIntentInfo info) { 10112 return info.categoriesIterator(); 10113 } 10114 } 10115 10116 public class SchemesIterGenerator extends IterGenerator<String> { 10117 @Override 10118 public Iterator<String> generate(ActivityIntentInfo info) { 10119 return info.schemesIterator(); 10120 } 10121 } 10122 10123 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 10124 @Override 10125 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 10126 return info.authoritiesIterator(); 10127 } 10128 } 10129 10130 /** 10131 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 10132 * MODIFIED. Do not pass in a list that should not be changed. 10133 */ 10134 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 10135 IterGenerator<T> generator, Iterator<T> searchIterator) { 10136 // loop through the set of actions; every one must be found in the intent filter 10137 while (searchIterator.hasNext()) { 10138 // we must have at least one filter in the list to consider a match 10139 if (intentList.size() == 0) { 10140 break; 10141 } 10142 10143 final T searchAction = searchIterator.next(); 10144 10145 // loop through the set of intent filters 10146 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 10147 while (intentIter.hasNext()) { 10148 final ActivityIntentInfo intentInfo = intentIter.next(); 10149 boolean selectionFound = false; 10150 10151 // loop through the intent filter's selection criteria; at least one 10152 // of them must match the searched criteria 10153 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 10154 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 10155 final T intentSelection = intentSelectionIter.next(); 10156 if (intentSelection != null && intentSelection.equals(searchAction)) { 10157 selectionFound = true; 10158 break; 10159 } 10160 } 10161 10162 // the selection criteria wasn't found in this filter's set; this filter 10163 // is not a potential match 10164 if (!selectionFound) { 10165 intentIter.remove(); 10166 } 10167 } 10168 } 10169 } 10170 10171 private boolean isProtectedAction(ActivityIntentInfo filter) { 10172 final Iterator<String> actionsIter = filter.actionsIterator(); 10173 while (actionsIter != null && actionsIter.hasNext()) { 10174 final String filterAction = actionsIter.next(); 10175 if (PROTECTED_ACTIONS.contains(filterAction)) { 10176 return true; 10177 } 10178 } 10179 return false; 10180 } 10181 10182 /** 10183 * Adjusts the priority of the given intent filter according to policy. 10184 * <p> 10185 * <ul> 10186 * <li>The priority for non privileged applications is capped to '0'</li> 10187 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 10188 * <li>The priority for unbundled updates to privileged applications is capped to the 10189 * priority defined on the system partition</li> 10190 * </ul> 10191 * <p> 10192 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 10193 * allowed to obtain any priority on any action. 10194 */ 10195 private void adjustPriority( 10196 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 10197 // nothing to do; priority is fine as-is 10198 if (intent.getPriority() <= 0) { 10199 return; 10200 } 10201 10202 final ActivityInfo activityInfo = intent.activity.info; 10203 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 10204 10205 final boolean privilegedApp = 10206 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 10207 if (!privilegedApp) { 10208 // non-privileged applications can never define a priority >0 10209 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 10210 + " package: " + applicationInfo.packageName 10211 + " activity: " + intent.activity.className 10212 + " origPrio: " + intent.getPriority()); 10213 intent.setPriority(0); 10214 return; 10215 } 10216 10217 if (systemActivities == null) { 10218 // the system package is not disabled; we're parsing the system partition 10219 if (isProtectedAction(intent)) { 10220 if (mDeferProtectedFilters) { 10221 // We can't deal with these just yet. No component should ever obtain a 10222 // >0 priority for a protected actions, with ONE exception -- the setup 10223 // wizard. The setup wizard, however, cannot be known until we're able to 10224 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 10225 // until all intent filters have been processed. Chicken, meet egg. 10226 // Let the filter temporarily have a high priority and rectify the 10227 // priorities after all system packages have been scanned. 10228 mProtectedFilters.add(intent); 10229 if (DEBUG_FILTERS) { 10230 Slog.i(TAG, "Protected action; save for later;" 10231 + " package: " + applicationInfo.packageName 10232 + " activity: " + intent.activity.className 10233 + " origPrio: " + intent.getPriority()); 10234 } 10235 return; 10236 } else { 10237 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10238 Slog.i(TAG, "No setup wizard;" 10239 + " All protected intents capped to priority 0"); 10240 } 10241 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10242 if (DEBUG_FILTERS) { 10243 Slog.i(TAG, "Found setup wizard;" 10244 + " allow priority " + intent.getPriority() + ";" 10245 + " package: " + intent.activity.info.packageName 10246 + " activity: " + intent.activity.className 10247 + " priority: " + intent.getPriority()); 10248 } 10249 // setup wizard gets whatever it wants 10250 return; 10251 } 10252 Slog.w(TAG, "Protected action; cap priority to 0;" 10253 + " package: " + intent.activity.info.packageName 10254 + " activity: " + intent.activity.className 10255 + " origPrio: " + intent.getPriority()); 10256 intent.setPriority(0); 10257 return; 10258 } 10259 } 10260 // privileged apps on the system image get whatever priority they request 10261 return; 10262 } 10263 10264 // privileged app unbundled update ... try to find the same activity 10265 final PackageParser.Activity foundActivity = 10266 findMatchingActivity(systemActivities, activityInfo); 10267 if (foundActivity == null) { 10268 // this is a new activity; it cannot obtain >0 priority 10269 if (DEBUG_FILTERS) { 10270 Slog.i(TAG, "New activity; cap priority to 0;" 10271 + " package: " + applicationInfo.packageName 10272 + " activity: " + intent.activity.className 10273 + " origPrio: " + intent.getPriority()); 10274 } 10275 intent.setPriority(0); 10276 return; 10277 } 10278 10279 // found activity, now check for filter equivalence 10280 10281 // a shallow copy is enough; we modify the list, not its contents 10282 final List<ActivityIntentInfo> intentListCopy = 10283 new ArrayList<>(foundActivity.intents); 10284 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10285 10286 // find matching action subsets 10287 final Iterator<String> actionsIterator = intent.actionsIterator(); 10288 if (actionsIterator != null) { 10289 getIntentListSubset( 10290 intentListCopy, new ActionIterGenerator(), actionsIterator); 10291 if (intentListCopy.size() == 0) { 10292 // no more intents to match; we're not equivalent 10293 if (DEBUG_FILTERS) { 10294 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10295 + " package: " + applicationInfo.packageName 10296 + " activity: " + intent.activity.className 10297 + " origPrio: " + intent.getPriority()); 10298 } 10299 intent.setPriority(0); 10300 return; 10301 } 10302 } 10303 10304 // find matching category subsets 10305 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10306 if (categoriesIterator != null) { 10307 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10308 categoriesIterator); 10309 if (intentListCopy.size() == 0) { 10310 // no more intents to match; we're not equivalent 10311 if (DEBUG_FILTERS) { 10312 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10313 + " package: " + applicationInfo.packageName 10314 + " activity: " + intent.activity.className 10315 + " origPrio: " + intent.getPriority()); 10316 } 10317 intent.setPriority(0); 10318 return; 10319 } 10320 } 10321 10322 // find matching schemes subsets 10323 final Iterator<String> schemesIterator = intent.schemesIterator(); 10324 if (schemesIterator != null) { 10325 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10326 schemesIterator); 10327 if (intentListCopy.size() == 0) { 10328 // no more intents to match; we're not equivalent 10329 if (DEBUG_FILTERS) { 10330 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10331 + " package: " + applicationInfo.packageName 10332 + " activity: " + intent.activity.className 10333 + " origPrio: " + intent.getPriority()); 10334 } 10335 intent.setPriority(0); 10336 return; 10337 } 10338 } 10339 10340 // find matching authorities subsets 10341 final Iterator<IntentFilter.AuthorityEntry> 10342 authoritiesIterator = intent.authoritiesIterator(); 10343 if (authoritiesIterator != null) { 10344 getIntentListSubset(intentListCopy, 10345 new AuthoritiesIterGenerator(), 10346 authoritiesIterator); 10347 if (intentListCopy.size() == 0) { 10348 // no more intents to match; we're not equivalent 10349 if (DEBUG_FILTERS) { 10350 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10351 + " package: " + applicationInfo.packageName 10352 + " activity: " + intent.activity.className 10353 + " origPrio: " + intent.getPriority()); 10354 } 10355 intent.setPriority(0); 10356 return; 10357 } 10358 } 10359 10360 // we found matching filter(s); app gets the max priority of all intents 10361 int cappedPriority = 0; 10362 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10363 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10364 } 10365 if (intent.getPriority() > cappedPriority) { 10366 if (DEBUG_FILTERS) { 10367 Slog.i(TAG, "Found matching filter(s);" 10368 + " cap priority to " + cappedPriority + ";" 10369 + " package: " + applicationInfo.packageName 10370 + " activity: " + intent.activity.className 10371 + " origPrio: " + intent.getPriority()); 10372 } 10373 intent.setPriority(cappedPriority); 10374 return; 10375 } 10376 // all this for nothing; the requested priority was <= what was on the system 10377 } 10378 10379 public final void addActivity(PackageParser.Activity a, String type) { 10380 mActivities.put(a.getComponentName(), a); 10381 if (DEBUG_SHOW_INFO) 10382 Log.v( 10383 TAG, " " + type + " " + 10384 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10385 if (DEBUG_SHOW_INFO) 10386 Log.v(TAG, " Class=" + a.info.name); 10387 final int NI = a.intents.size(); 10388 for (int j=0; j<NI; j++) { 10389 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10390 if ("activity".equals(type)) { 10391 final PackageSetting ps = 10392 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10393 final List<PackageParser.Activity> systemActivities = 10394 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10395 adjustPriority(systemActivities, intent); 10396 } 10397 if (DEBUG_SHOW_INFO) { 10398 Log.v(TAG, " IntentFilter:"); 10399 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10400 } 10401 if (!intent.debugCheck()) { 10402 Log.w(TAG, "==> For Activity " + a.info.name); 10403 } 10404 addFilter(intent); 10405 } 10406 } 10407 10408 public final void removeActivity(PackageParser.Activity a, String type) { 10409 mActivities.remove(a.getComponentName()); 10410 if (DEBUG_SHOW_INFO) { 10411 Log.v(TAG, " " + type + " " 10412 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10413 : a.info.name) + ":"); 10414 Log.v(TAG, " Class=" + a.info.name); 10415 } 10416 final int NI = a.intents.size(); 10417 for (int j=0; j<NI; j++) { 10418 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10419 if (DEBUG_SHOW_INFO) { 10420 Log.v(TAG, " IntentFilter:"); 10421 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10422 } 10423 removeFilter(intent); 10424 } 10425 } 10426 10427 @Override 10428 protected boolean allowFilterResult( 10429 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10430 ActivityInfo filterAi = filter.activity.info; 10431 for (int i=dest.size()-1; i>=0; i--) { 10432 ActivityInfo destAi = dest.get(i).activityInfo; 10433 if (destAi.name == filterAi.name 10434 && destAi.packageName == filterAi.packageName) { 10435 return false; 10436 } 10437 } 10438 return true; 10439 } 10440 10441 @Override 10442 protected ActivityIntentInfo[] newArray(int size) { 10443 return new ActivityIntentInfo[size]; 10444 } 10445 10446 @Override 10447 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10448 if (!sUserManager.exists(userId)) return true; 10449 PackageParser.Package p = filter.activity.owner; 10450 if (p != null) { 10451 PackageSetting ps = (PackageSetting)p.mExtras; 10452 if (ps != null) { 10453 // System apps are never considered stopped for purposes of 10454 // filtering, because there may be no way for the user to 10455 // actually re-launch them. 10456 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10457 && ps.getStopped(userId); 10458 } 10459 } 10460 return false; 10461 } 10462 10463 @Override 10464 protected boolean isPackageForFilter(String packageName, 10465 PackageParser.ActivityIntentInfo info) { 10466 return packageName.equals(info.activity.owner.packageName); 10467 } 10468 10469 @Override 10470 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10471 int match, int userId) { 10472 if (!sUserManager.exists(userId)) return null; 10473 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10474 return null; 10475 } 10476 final PackageParser.Activity activity = info.activity; 10477 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10478 if (ps == null) { 10479 return null; 10480 } 10481 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10482 ps.readUserState(userId), userId); 10483 if (ai == null) { 10484 return null; 10485 } 10486 final ResolveInfo res = new ResolveInfo(); 10487 res.activityInfo = ai; 10488 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10489 res.filter = info; 10490 } 10491 if (info != null) { 10492 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10493 } 10494 res.priority = info.getPriority(); 10495 res.preferredOrder = activity.owner.mPreferredOrder; 10496 //System.out.println("Result: " + res.activityInfo.className + 10497 // " = " + res.priority); 10498 res.match = match; 10499 res.isDefault = info.hasDefault; 10500 res.labelRes = info.labelRes; 10501 res.nonLocalizedLabel = info.nonLocalizedLabel; 10502 if (userNeedsBadging(userId)) { 10503 res.noResourceId = true; 10504 } else { 10505 res.icon = info.icon; 10506 } 10507 res.iconResourceId = info.icon; 10508 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10509 return res; 10510 } 10511 10512 @Override 10513 protected void sortResults(List<ResolveInfo> results) { 10514 Collections.sort(results, mResolvePrioritySorter); 10515 } 10516 10517 @Override 10518 protected void dumpFilter(PrintWriter out, String prefix, 10519 PackageParser.ActivityIntentInfo filter) { 10520 out.print(prefix); out.print( 10521 Integer.toHexString(System.identityHashCode(filter.activity))); 10522 out.print(' '); 10523 filter.activity.printComponentShortName(out); 10524 out.print(" filter "); 10525 out.println(Integer.toHexString(System.identityHashCode(filter))); 10526 } 10527 10528 @Override 10529 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10530 return filter.activity; 10531 } 10532 10533 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10534 PackageParser.Activity activity = (PackageParser.Activity)label; 10535 out.print(prefix); out.print( 10536 Integer.toHexString(System.identityHashCode(activity))); 10537 out.print(' '); 10538 activity.printComponentShortName(out); 10539 if (count > 1) { 10540 out.print(" ("); out.print(count); out.print(" filters)"); 10541 } 10542 out.println(); 10543 } 10544 10545 // Keys are String (activity class name), values are Activity. 10546 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10547 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10548 private int mFlags; 10549 } 10550 10551 private final class ServiceIntentResolver 10552 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10553 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10554 boolean defaultOnly, int userId) { 10555 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10556 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10557 } 10558 10559 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10560 int userId) { 10561 if (!sUserManager.exists(userId)) return null; 10562 mFlags = flags; 10563 return super.queryIntent(intent, resolvedType, 10564 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10565 } 10566 10567 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10568 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10569 if (!sUserManager.exists(userId)) return null; 10570 if (packageServices == null) { 10571 return null; 10572 } 10573 mFlags = flags; 10574 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10575 final int N = packageServices.size(); 10576 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10577 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10578 10579 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10580 for (int i = 0; i < N; ++i) { 10581 intentFilters = packageServices.get(i).intents; 10582 if (intentFilters != null && intentFilters.size() > 0) { 10583 PackageParser.ServiceIntentInfo[] array = 10584 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10585 intentFilters.toArray(array); 10586 listCut.add(array); 10587 } 10588 } 10589 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10590 } 10591 10592 public final void addService(PackageParser.Service s) { 10593 mServices.put(s.getComponentName(), s); 10594 if (DEBUG_SHOW_INFO) { 10595 Log.v(TAG, " " 10596 + (s.info.nonLocalizedLabel != null 10597 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10598 Log.v(TAG, " Class=" + s.info.name); 10599 } 10600 final int NI = s.intents.size(); 10601 int j; 10602 for (j=0; j<NI; j++) { 10603 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10604 if (DEBUG_SHOW_INFO) { 10605 Log.v(TAG, " IntentFilter:"); 10606 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10607 } 10608 if (!intent.debugCheck()) { 10609 Log.w(TAG, "==> For Service " + s.info.name); 10610 } 10611 addFilter(intent); 10612 } 10613 } 10614 10615 public final void removeService(PackageParser.Service s) { 10616 mServices.remove(s.getComponentName()); 10617 if (DEBUG_SHOW_INFO) { 10618 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10619 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10620 Log.v(TAG, " Class=" + s.info.name); 10621 } 10622 final int NI = s.intents.size(); 10623 int j; 10624 for (j=0; j<NI; j++) { 10625 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10626 if (DEBUG_SHOW_INFO) { 10627 Log.v(TAG, " IntentFilter:"); 10628 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10629 } 10630 removeFilter(intent); 10631 } 10632 } 10633 10634 @Override 10635 protected boolean allowFilterResult( 10636 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10637 ServiceInfo filterSi = filter.service.info; 10638 for (int i=dest.size()-1; i>=0; i--) { 10639 ServiceInfo destAi = dest.get(i).serviceInfo; 10640 if (destAi.name == filterSi.name 10641 && destAi.packageName == filterSi.packageName) { 10642 return false; 10643 } 10644 } 10645 return true; 10646 } 10647 10648 @Override 10649 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10650 return new PackageParser.ServiceIntentInfo[size]; 10651 } 10652 10653 @Override 10654 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10655 if (!sUserManager.exists(userId)) return true; 10656 PackageParser.Package p = filter.service.owner; 10657 if (p != null) { 10658 PackageSetting ps = (PackageSetting)p.mExtras; 10659 if (ps != null) { 10660 // System apps are never considered stopped for purposes of 10661 // filtering, because there may be no way for the user to 10662 // actually re-launch them. 10663 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10664 && ps.getStopped(userId); 10665 } 10666 } 10667 return false; 10668 } 10669 10670 @Override 10671 protected boolean isPackageForFilter(String packageName, 10672 PackageParser.ServiceIntentInfo info) { 10673 return packageName.equals(info.service.owner.packageName); 10674 } 10675 10676 @Override 10677 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10678 int match, int userId) { 10679 if (!sUserManager.exists(userId)) return null; 10680 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10681 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10682 return null; 10683 } 10684 final PackageParser.Service service = info.service; 10685 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10686 if (ps == null) { 10687 return null; 10688 } 10689 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10690 ps.readUserState(userId), userId); 10691 if (si == null) { 10692 return null; 10693 } 10694 final ResolveInfo res = new ResolveInfo(); 10695 res.serviceInfo = si; 10696 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10697 res.filter = filter; 10698 } 10699 res.priority = info.getPriority(); 10700 res.preferredOrder = service.owner.mPreferredOrder; 10701 res.match = match; 10702 res.isDefault = info.hasDefault; 10703 res.labelRes = info.labelRes; 10704 res.nonLocalizedLabel = info.nonLocalizedLabel; 10705 res.icon = info.icon; 10706 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10707 return res; 10708 } 10709 10710 @Override 10711 protected void sortResults(List<ResolveInfo> results) { 10712 Collections.sort(results, mResolvePrioritySorter); 10713 } 10714 10715 @Override 10716 protected void dumpFilter(PrintWriter out, String prefix, 10717 PackageParser.ServiceIntentInfo filter) { 10718 out.print(prefix); out.print( 10719 Integer.toHexString(System.identityHashCode(filter.service))); 10720 out.print(' '); 10721 filter.service.printComponentShortName(out); 10722 out.print(" filter "); 10723 out.println(Integer.toHexString(System.identityHashCode(filter))); 10724 } 10725 10726 @Override 10727 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10728 return filter.service; 10729 } 10730 10731 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10732 PackageParser.Service service = (PackageParser.Service)label; 10733 out.print(prefix); out.print( 10734 Integer.toHexString(System.identityHashCode(service))); 10735 out.print(' '); 10736 service.printComponentShortName(out); 10737 if (count > 1) { 10738 out.print(" ("); out.print(count); out.print(" filters)"); 10739 } 10740 out.println(); 10741 } 10742 10743// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10744// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10745// final List<ResolveInfo> retList = Lists.newArrayList(); 10746// while (i.hasNext()) { 10747// final ResolveInfo resolveInfo = (ResolveInfo) i; 10748// if (isEnabledLP(resolveInfo.serviceInfo)) { 10749// retList.add(resolveInfo); 10750// } 10751// } 10752// return retList; 10753// } 10754 10755 // Keys are String (activity class name), values are Activity. 10756 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10757 = new ArrayMap<ComponentName, PackageParser.Service>(); 10758 private int mFlags; 10759 }; 10760 10761 private final class ProviderIntentResolver 10762 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10763 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10764 boolean defaultOnly, int userId) { 10765 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10766 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10767 } 10768 10769 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10770 int userId) { 10771 if (!sUserManager.exists(userId)) 10772 return null; 10773 mFlags = flags; 10774 return super.queryIntent(intent, resolvedType, 10775 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10776 } 10777 10778 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10779 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10780 if (!sUserManager.exists(userId)) 10781 return null; 10782 if (packageProviders == null) { 10783 return null; 10784 } 10785 mFlags = flags; 10786 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10787 final int N = packageProviders.size(); 10788 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10789 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10790 10791 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10792 for (int i = 0; i < N; ++i) { 10793 intentFilters = packageProviders.get(i).intents; 10794 if (intentFilters != null && intentFilters.size() > 0) { 10795 PackageParser.ProviderIntentInfo[] array = 10796 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10797 intentFilters.toArray(array); 10798 listCut.add(array); 10799 } 10800 } 10801 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10802 } 10803 10804 public final void addProvider(PackageParser.Provider p) { 10805 if (mProviders.containsKey(p.getComponentName())) { 10806 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10807 return; 10808 } 10809 10810 mProviders.put(p.getComponentName(), p); 10811 if (DEBUG_SHOW_INFO) { 10812 Log.v(TAG, " " 10813 + (p.info.nonLocalizedLabel != null 10814 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10815 Log.v(TAG, " Class=" + p.info.name); 10816 } 10817 final int NI = p.intents.size(); 10818 int j; 10819 for (j = 0; j < NI; j++) { 10820 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10821 if (DEBUG_SHOW_INFO) { 10822 Log.v(TAG, " IntentFilter:"); 10823 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10824 } 10825 if (!intent.debugCheck()) { 10826 Log.w(TAG, "==> For Provider " + p.info.name); 10827 } 10828 addFilter(intent); 10829 } 10830 } 10831 10832 public final void removeProvider(PackageParser.Provider p) { 10833 mProviders.remove(p.getComponentName()); 10834 if (DEBUG_SHOW_INFO) { 10835 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10836 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10837 Log.v(TAG, " Class=" + p.info.name); 10838 } 10839 final int NI = p.intents.size(); 10840 int j; 10841 for (j = 0; j < NI; j++) { 10842 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10843 if (DEBUG_SHOW_INFO) { 10844 Log.v(TAG, " IntentFilter:"); 10845 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10846 } 10847 removeFilter(intent); 10848 } 10849 } 10850 10851 @Override 10852 protected boolean allowFilterResult( 10853 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10854 ProviderInfo filterPi = filter.provider.info; 10855 for (int i = dest.size() - 1; i >= 0; i--) { 10856 ProviderInfo destPi = dest.get(i).providerInfo; 10857 if (destPi.name == filterPi.name 10858 && destPi.packageName == filterPi.packageName) { 10859 return false; 10860 } 10861 } 10862 return true; 10863 } 10864 10865 @Override 10866 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10867 return new PackageParser.ProviderIntentInfo[size]; 10868 } 10869 10870 @Override 10871 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10872 if (!sUserManager.exists(userId)) 10873 return true; 10874 PackageParser.Package p = filter.provider.owner; 10875 if (p != null) { 10876 PackageSetting ps = (PackageSetting) p.mExtras; 10877 if (ps != null) { 10878 // System apps are never considered stopped for purposes of 10879 // filtering, because there may be no way for the user to 10880 // actually re-launch them. 10881 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10882 && ps.getStopped(userId); 10883 } 10884 } 10885 return false; 10886 } 10887 10888 @Override 10889 protected boolean isPackageForFilter(String packageName, 10890 PackageParser.ProviderIntentInfo info) { 10891 return packageName.equals(info.provider.owner.packageName); 10892 } 10893 10894 @Override 10895 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10896 int match, int userId) { 10897 if (!sUserManager.exists(userId)) 10898 return null; 10899 final PackageParser.ProviderIntentInfo info = filter; 10900 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10901 return null; 10902 } 10903 final PackageParser.Provider provider = info.provider; 10904 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10905 if (ps == null) { 10906 return null; 10907 } 10908 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10909 ps.readUserState(userId), userId); 10910 if (pi == null) { 10911 return null; 10912 } 10913 final ResolveInfo res = new ResolveInfo(); 10914 res.providerInfo = pi; 10915 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10916 res.filter = filter; 10917 } 10918 res.priority = info.getPriority(); 10919 res.preferredOrder = provider.owner.mPreferredOrder; 10920 res.match = match; 10921 res.isDefault = info.hasDefault; 10922 res.labelRes = info.labelRes; 10923 res.nonLocalizedLabel = info.nonLocalizedLabel; 10924 res.icon = info.icon; 10925 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10926 return res; 10927 } 10928 10929 @Override 10930 protected void sortResults(List<ResolveInfo> results) { 10931 Collections.sort(results, mResolvePrioritySorter); 10932 } 10933 10934 @Override 10935 protected void dumpFilter(PrintWriter out, String prefix, 10936 PackageParser.ProviderIntentInfo filter) { 10937 out.print(prefix); 10938 out.print( 10939 Integer.toHexString(System.identityHashCode(filter.provider))); 10940 out.print(' '); 10941 filter.provider.printComponentShortName(out); 10942 out.print(" filter "); 10943 out.println(Integer.toHexString(System.identityHashCode(filter))); 10944 } 10945 10946 @Override 10947 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10948 return filter.provider; 10949 } 10950 10951 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10952 PackageParser.Provider provider = (PackageParser.Provider)label; 10953 out.print(prefix); out.print( 10954 Integer.toHexString(System.identityHashCode(provider))); 10955 out.print(' '); 10956 provider.printComponentShortName(out); 10957 if (count > 1) { 10958 out.print(" ("); out.print(count); out.print(" filters)"); 10959 } 10960 out.println(); 10961 } 10962 10963 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10964 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10965 private int mFlags; 10966 } 10967 10968 private static final class EphemeralIntentResolver 10969 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10970 @Override 10971 protected EphemeralResolveIntentInfo[] newArray(int size) { 10972 return new EphemeralResolveIntentInfo[size]; 10973 } 10974 10975 @Override 10976 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10977 return true; 10978 } 10979 10980 @Override 10981 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10982 int userId) { 10983 if (!sUserManager.exists(userId)) { 10984 return null; 10985 } 10986 return info.getEphemeralResolveInfo(); 10987 } 10988 } 10989 10990 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10991 new Comparator<ResolveInfo>() { 10992 public int compare(ResolveInfo r1, ResolveInfo r2) { 10993 int v1 = r1.priority; 10994 int v2 = r2.priority; 10995 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10996 if (v1 != v2) { 10997 return (v1 > v2) ? -1 : 1; 10998 } 10999 v1 = r1.preferredOrder; 11000 v2 = r2.preferredOrder; 11001 if (v1 != v2) { 11002 return (v1 > v2) ? -1 : 1; 11003 } 11004 if (r1.isDefault != r2.isDefault) { 11005 return r1.isDefault ? -1 : 1; 11006 } 11007 v1 = r1.match; 11008 v2 = r2.match; 11009 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 11010 if (v1 != v2) { 11011 return (v1 > v2) ? -1 : 1; 11012 } 11013 if (r1.system != r2.system) { 11014 return r1.system ? -1 : 1; 11015 } 11016 if (r1.activityInfo != null) { 11017 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 11018 } 11019 if (r1.serviceInfo != null) { 11020 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 11021 } 11022 if (r1.providerInfo != null) { 11023 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 11024 } 11025 return 0; 11026 } 11027 }; 11028 11029 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 11030 new Comparator<ProviderInfo>() { 11031 public int compare(ProviderInfo p1, ProviderInfo p2) { 11032 final int v1 = p1.initOrder; 11033 final int v2 = p2.initOrder; 11034 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 11035 } 11036 }; 11037 11038 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 11039 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 11040 final int[] userIds) { 11041 mHandler.post(new Runnable() { 11042 @Override 11043 public void run() { 11044 try { 11045 final IActivityManager am = ActivityManagerNative.getDefault(); 11046 if (am == null) return; 11047 final int[] resolvedUserIds; 11048 if (userIds == null) { 11049 resolvedUserIds = am.getRunningUserIds(); 11050 } else { 11051 resolvedUserIds = userIds; 11052 } 11053 for (int id : resolvedUserIds) { 11054 final Intent intent = new Intent(action, 11055 pkg != null ? Uri.fromParts("package", pkg, null) : null); 11056 if (extras != null) { 11057 intent.putExtras(extras); 11058 } 11059 if (targetPkg != null) { 11060 intent.setPackage(targetPkg); 11061 } 11062 // Modify the UID when posting to other users 11063 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 11064 if (uid > 0 && UserHandle.getUserId(uid) != id) { 11065 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 11066 intent.putExtra(Intent.EXTRA_UID, uid); 11067 } 11068 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 11069 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 11070 if (DEBUG_BROADCASTS) { 11071 RuntimeException here = new RuntimeException("here"); 11072 here.fillInStackTrace(); 11073 Slog.d(TAG, "Sending to user " + id + ": " 11074 + intent.toShortString(false, true, false, false) 11075 + " " + intent.getExtras(), here); 11076 } 11077 am.broadcastIntent(null, intent, null, finishedReceiver, 11078 0, null, null, null, android.app.AppOpsManager.OP_NONE, 11079 null, finishedReceiver != null, false, id); 11080 } 11081 } catch (RemoteException ex) { 11082 } 11083 } 11084 }); 11085 } 11086 11087 /** 11088 * Check if the external storage media is available. This is true if there 11089 * is a mounted external storage medium or if the external storage is 11090 * emulated. 11091 */ 11092 private boolean isExternalMediaAvailable() { 11093 return mMediaMounted || Environment.isExternalStorageEmulated(); 11094 } 11095 11096 @Override 11097 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 11098 // writer 11099 synchronized (mPackages) { 11100 if (!isExternalMediaAvailable()) { 11101 // If the external storage is no longer mounted at this point, 11102 // the caller may not have been able to delete all of this 11103 // packages files and can not delete any more. Bail. 11104 return null; 11105 } 11106 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 11107 if (lastPackage != null) { 11108 pkgs.remove(lastPackage); 11109 } 11110 if (pkgs.size() > 0) { 11111 return pkgs.get(0); 11112 } 11113 } 11114 return null; 11115 } 11116 11117 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 11118 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 11119 userId, andCode ? 1 : 0, packageName); 11120 if (mSystemReady) { 11121 msg.sendToTarget(); 11122 } else { 11123 if (mPostSystemReadyMessages == null) { 11124 mPostSystemReadyMessages = new ArrayList<>(); 11125 } 11126 mPostSystemReadyMessages.add(msg); 11127 } 11128 } 11129 11130 void startCleaningPackages() { 11131 // reader 11132 if (!isExternalMediaAvailable()) { 11133 return; 11134 } 11135 synchronized (mPackages) { 11136 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 11137 return; 11138 } 11139 } 11140 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 11141 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 11142 IActivityManager am = ActivityManagerNative.getDefault(); 11143 if (am != null) { 11144 try { 11145 am.startService(null, intent, null, mContext.getOpPackageName(), 11146 UserHandle.USER_SYSTEM); 11147 } catch (RemoteException e) { 11148 } 11149 } 11150 } 11151 11152 @Override 11153 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 11154 int installFlags, String installerPackageName, int userId) { 11155 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 11156 11157 final int callingUid = Binder.getCallingUid(); 11158 enforceCrossUserPermission(callingUid, userId, 11159 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 11160 11161 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11162 try { 11163 if (observer != null) { 11164 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 11165 } 11166 } catch (RemoteException re) { 11167 } 11168 return; 11169 } 11170 11171 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 11172 installFlags |= PackageManager.INSTALL_FROM_ADB; 11173 11174 } else { 11175 // Caller holds INSTALL_PACKAGES permission, so we're less strict 11176 // about installerPackageName. 11177 11178 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 11179 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 11180 } 11181 11182 UserHandle user; 11183 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 11184 user = UserHandle.ALL; 11185 } else { 11186 user = new UserHandle(userId); 11187 } 11188 11189 // Only system components can circumvent runtime permissions when installing. 11190 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 11191 && mContext.checkCallingOrSelfPermission(Manifest.permission 11192 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 11193 throw new SecurityException("You need the " 11194 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 11195 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 11196 } 11197 11198 final File originFile = new File(originPath); 11199 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 11200 11201 final Message msg = mHandler.obtainMessage(INIT_COPY); 11202 final VerificationInfo verificationInfo = new VerificationInfo( 11203 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 11204 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 11205 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 11206 null /*packageAbiOverride*/, null /*grantedPermissions*/, 11207 null /*certificates*/); 11208 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 11209 msg.obj = params; 11210 11211 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 11212 System.identityHashCode(msg.obj)); 11213 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11214 System.identityHashCode(msg.obj)); 11215 11216 mHandler.sendMessage(msg); 11217 } 11218 11219 void installStage(String packageName, File stagedDir, String stagedCid, 11220 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 11221 String installerPackageName, int installerUid, UserHandle user, 11222 Certificate[][] certificates) { 11223 if (DEBUG_EPHEMERAL) { 11224 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11225 Slog.d(TAG, "Ephemeral install of " + packageName); 11226 } 11227 } 11228 final VerificationInfo verificationInfo = new VerificationInfo( 11229 sessionParams.originatingUri, sessionParams.referrerUri, 11230 sessionParams.originatingUid, installerUid); 11231 11232 final OriginInfo origin; 11233 if (stagedDir != null) { 11234 origin = OriginInfo.fromStagedFile(stagedDir); 11235 } else { 11236 origin = OriginInfo.fromStagedContainer(stagedCid); 11237 } 11238 11239 final Message msg = mHandler.obtainMessage(INIT_COPY); 11240 final InstallParams params = new InstallParams(origin, null, observer, 11241 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11242 verificationInfo, user, sessionParams.abiOverride, 11243 sessionParams.grantedRuntimePermissions, certificates); 11244 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11245 msg.obj = params; 11246 11247 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11248 System.identityHashCode(msg.obj)); 11249 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11250 System.identityHashCode(msg.obj)); 11251 11252 mHandler.sendMessage(msg); 11253 } 11254 11255 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11256 int userId) { 11257 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11258 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11259 } 11260 11261 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11262 int appId, int userId) { 11263 Bundle extras = new Bundle(1); 11264 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11265 11266 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11267 packageName, extras, 0, null, null, new int[] {userId}); 11268 try { 11269 IActivityManager am = ActivityManagerNative.getDefault(); 11270 if (isSystem && am.isUserRunning(userId, 0)) { 11271 // The just-installed/enabled app is bundled on the system, so presumed 11272 // to be able to run automatically without needing an explicit launch. 11273 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11274 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11275 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11276 .setPackage(packageName); 11277 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11278 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11279 } 11280 } catch (RemoteException e) { 11281 // shouldn't happen 11282 Slog.w(TAG, "Unable to bootstrap installed package", e); 11283 } 11284 } 11285 11286 @Override 11287 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11288 int userId) { 11289 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11290 PackageSetting pkgSetting; 11291 final int uid = Binder.getCallingUid(); 11292 enforceCrossUserPermission(uid, userId, 11293 true /* requireFullPermission */, true /* checkShell */, 11294 "setApplicationHiddenSetting for user " + userId); 11295 11296 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11297 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11298 return false; 11299 } 11300 11301 long callingId = Binder.clearCallingIdentity(); 11302 try { 11303 boolean sendAdded = false; 11304 boolean sendRemoved = false; 11305 // writer 11306 synchronized (mPackages) { 11307 pkgSetting = mSettings.mPackages.get(packageName); 11308 if (pkgSetting == null) { 11309 return false; 11310 } 11311 if (pkgSetting.getHidden(userId) != hidden) { 11312 pkgSetting.setHidden(hidden, userId); 11313 mSettings.writePackageRestrictionsLPr(userId); 11314 if (hidden) { 11315 sendRemoved = true; 11316 } else { 11317 sendAdded = true; 11318 } 11319 } 11320 } 11321 if (sendAdded) { 11322 sendPackageAddedForUser(packageName, pkgSetting, userId); 11323 return true; 11324 } 11325 if (sendRemoved) { 11326 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11327 "hiding pkg"); 11328 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11329 return true; 11330 } 11331 } finally { 11332 Binder.restoreCallingIdentity(callingId); 11333 } 11334 return false; 11335 } 11336 11337 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11338 int userId) { 11339 final PackageRemovedInfo info = new PackageRemovedInfo(); 11340 info.removedPackage = packageName; 11341 info.removedUsers = new int[] {userId}; 11342 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11343 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11344 } 11345 11346 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11347 if (pkgList.length > 0) { 11348 Bundle extras = new Bundle(1); 11349 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11350 11351 sendPackageBroadcast( 11352 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11353 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11354 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11355 new int[] {userId}); 11356 } 11357 } 11358 11359 /** 11360 * Returns true if application is not found or there was an error. Otherwise it returns 11361 * the hidden state of the package for the given user. 11362 */ 11363 @Override 11364 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11365 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11366 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11367 true /* requireFullPermission */, false /* checkShell */, 11368 "getApplicationHidden for user " + userId); 11369 PackageSetting pkgSetting; 11370 long callingId = Binder.clearCallingIdentity(); 11371 try { 11372 // writer 11373 synchronized (mPackages) { 11374 pkgSetting = mSettings.mPackages.get(packageName); 11375 if (pkgSetting == null) { 11376 return true; 11377 } 11378 return pkgSetting.getHidden(userId); 11379 } 11380 } finally { 11381 Binder.restoreCallingIdentity(callingId); 11382 } 11383 } 11384 11385 /** 11386 * @hide 11387 */ 11388 @Override 11389 public int installExistingPackageAsUser(String packageName, int userId) { 11390 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11391 null); 11392 PackageSetting pkgSetting; 11393 final int uid = Binder.getCallingUid(); 11394 enforceCrossUserPermission(uid, userId, 11395 true /* requireFullPermission */, true /* checkShell */, 11396 "installExistingPackage for user " + userId); 11397 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11398 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11399 } 11400 11401 long callingId = Binder.clearCallingIdentity(); 11402 try { 11403 boolean installed = false; 11404 11405 // writer 11406 synchronized (mPackages) { 11407 pkgSetting = mSettings.mPackages.get(packageName); 11408 if (pkgSetting == null) { 11409 return PackageManager.INSTALL_FAILED_INVALID_URI; 11410 } 11411 if (!pkgSetting.getInstalled(userId)) { 11412 pkgSetting.setInstalled(true, userId); 11413 pkgSetting.setHidden(false, userId); 11414 mSettings.writePackageRestrictionsLPr(userId); 11415 installed = true; 11416 } 11417 } 11418 11419 if (installed) { 11420 if (pkgSetting.pkg != null) { 11421 synchronized (mInstallLock) { 11422 // We don't need to freeze for a brand new install 11423 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 11424 } 11425 } 11426 sendPackageAddedForUser(packageName, pkgSetting, userId); 11427 } 11428 } finally { 11429 Binder.restoreCallingIdentity(callingId); 11430 } 11431 11432 return PackageManager.INSTALL_SUCCEEDED; 11433 } 11434 11435 boolean isUserRestricted(int userId, String restrictionKey) { 11436 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11437 if (restrictions.getBoolean(restrictionKey, false)) { 11438 Log.w(TAG, "User is restricted: " + restrictionKey); 11439 return true; 11440 } 11441 return false; 11442 } 11443 11444 @Override 11445 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11446 int userId) { 11447 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11448 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11449 true /* requireFullPermission */, true /* checkShell */, 11450 "setPackagesSuspended for user " + userId); 11451 11452 if (ArrayUtils.isEmpty(packageNames)) { 11453 return packageNames; 11454 } 11455 11456 // List of package names for whom the suspended state has changed. 11457 List<String> changedPackages = new ArrayList<>(packageNames.length); 11458 // List of package names for whom the suspended state is not set as requested in this 11459 // method. 11460 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11461 for (int i = 0; i < packageNames.length; i++) { 11462 String packageName = packageNames[i]; 11463 long callingId = Binder.clearCallingIdentity(); 11464 try { 11465 boolean changed = false; 11466 final int appId; 11467 synchronized (mPackages) { 11468 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11469 if (pkgSetting == null) { 11470 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11471 + "\". Skipping suspending/un-suspending."); 11472 unactionedPackages.add(packageName); 11473 continue; 11474 } 11475 appId = pkgSetting.appId; 11476 if (pkgSetting.getSuspended(userId) != suspended) { 11477 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11478 unactionedPackages.add(packageName); 11479 continue; 11480 } 11481 pkgSetting.setSuspended(suspended, userId); 11482 mSettings.writePackageRestrictionsLPr(userId); 11483 changed = true; 11484 changedPackages.add(packageName); 11485 } 11486 } 11487 11488 if (changed && suspended) { 11489 killApplication(packageName, UserHandle.getUid(userId, appId), 11490 "suspending package"); 11491 } 11492 } finally { 11493 Binder.restoreCallingIdentity(callingId); 11494 } 11495 } 11496 11497 if (!changedPackages.isEmpty()) { 11498 sendPackagesSuspendedForUser(changedPackages.toArray( 11499 new String[changedPackages.size()]), userId, suspended); 11500 } 11501 11502 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11503 } 11504 11505 @Override 11506 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11507 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11508 true /* requireFullPermission */, false /* checkShell */, 11509 "isPackageSuspendedForUser for user " + userId); 11510 synchronized (mPackages) { 11511 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11512 if (pkgSetting == null) { 11513 throw new IllegalArgumentException("Unknown target package: " + packageName); 11514 } 11515 return pkgSetting.getSuspended(userId); 11516 } 11517 } 11518 11519 /** 11520 * TODO: cache and disallow blocking the active dialer. 11521 * 11522 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 11523 */ 11524 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11525 if (isPackageDeviceAdmin(packageName, userId)) { 11526 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11527 + "\": has an active device admin"); 11528 return false; 11529 } 11530 11531 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11532 if (packageName.equals(activeLauncherPackageName)) { 11533 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11534 + "\": contains the active launcher"); 11535 return false; 11536 } 11537 11538 if (packageName.equals(mRequiredInstallerPackage)) { 11539 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11540 + "\": required for package installation"); 11541 return false; 11542 } 11543 11544 if (packageName.equals(mRequiredVerifierPackage)) { 11545 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11546 + "\": required for package verification"); 11547 return false; 11548 } 11549 11550 final PackageParser.Package pkg = mPackages.get(packageName); 11551 if (pkg != null && isPrivilegedApp(pkg)) { 11552 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11553 + "\": is a privileged app"); 11554 return false; 11555 } 11556 11557 return true; 11558 } 11559 11560 private String getActiveLauncherPackageName(int userId) { 11561 Intent intent = new Intent(Intent.ACTION_MAIN); 11562 intent.addCategory(Intent.CATEGORY_HOME); 11563 ResolveInfo resolveInfo = resolveIntent( 11564 intent, 11565 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11566 PackageManager.MATCH_DEFAULT_ONLY, 11567 userId); 11568 11569 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11570 } 11571 11572 @Override 11573 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11574 mContext.enforceCallingOrSelfPermission( 11575 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11576 "Only package verification agents can verify applications"); 11577 11578 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11579 final PackageVerificationResponse response = new PackageVerificationResponse( 11580 verificationCode, Binder.getCallingUid()); 11581 msg.arg1 = id; 11582 msg.obj = response; 11583 mHandler.sendMessage(msg); 11584 } 11585 11586 @Override 11587 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11588 long millisecondsToDelay) { 11589 mContext.enforceCallingOrSelfPermission( 11590 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11591 "Only package verification agents can extend verification timeouts"); 11592 11593 final PackageVerificationState state = mPendingVerification.get(id); 11594 final PackageVerificationResponse response = new PackageVerificationResponse( 11595 verificationCodeAtTimeout, Binder.getCallingUid()); 11596 11597 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11598 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11599 } 11600 if (millisecondsToDelay < 0) { 11601 millisecondsToDelay = 0; 11602 } 11603 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11604 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11605 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11606 } 11607 11608 if ((state != null) && !state.timeoutExtended()) { 11609 state.extendTimeout(); 11610 11611 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11612 msg.arg1 = id; 11613 msg.obj = response; 11614 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11615 } 11616 } 11617 11618 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11619 int verificationCode, UserHandle user) { 11620 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11621 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11622 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11623 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11624 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11625 11626 mContext.sendBroadcastAsUser(intent, user, 11627 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11628 } 11629 11630 private ComponentName matchComponentForVerifier(String packageName, 11631 List<ResolveInfo> receivers) { 11632 ActivityInfo targetReceiver = null; 11633 11634 final int NR = receivers.size(); 11635 for (int i = 0; i < NR; i++) { 11636 final ResolveInfo info = receivers.get(i); 11637 if (info.activityInfo == null) { 11638 continue; 11639 } 11640 11641 if (packageName.equals(info.activityInfo.packageName)) { 11642 targetReceiver = info.activityInfo; 11643 break; 11644 } 11645 } 11646 11647 if (targetReceiver == null) { 11648 return null; 11649 } 11650 11651 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11652 } 11653 11654 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11655 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11656 if (pkgInfo.verifiers.length == 0) { 11657 return null; 11658 } 11659 11660 final int N = pkgInfo.verifiers.length; 11661 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11662 for (int i = 0; i < N; i++) { 11663 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11664 11665 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11666 receivers); 11667 if (comp == null) { 11668 continue; 11669 } 11670 11671 final int verifierUid = getUidForVerifier(verifierInfo); 11672 if (verifierUid == -1) { 11673 continue; 11674 } 11675 11676 if (DEBUG_VERIFY) { 11677 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11678 + " with the correct signature"); 11679 } 11680 sufficientVerifiers.add(comp); 11681 verificationState.addSufficientVerifier(verifierUid); 11682 } 11683 11684 return sufficientVerifiers; 11685 } 11686 11687 private int getUidForVerifier(VerifierInfo verifierInfo) { 11688 synchronized (mPackages) { 11689 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11690 if (pkg == null) { 11691 return -1; 11692 } else if (pkg.mSignatures.length != 1) { 11693 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11694 + " has more than one signature; ignoring"); 11695 return -1; 11696 } 11697 11698 /* 11699 * If the public key of the package's signature does not match 11700 * our expected public key, then this is a different package and 11701 * we should skip. 11702 */ 11703 11704 final byte[] expectedPublicKey; 11705 try { 11706 final Signature verifierSig = pkg.mSignatures[0]; 11707 final PublicKey publicKey = verifierSig.getPublicKey(); 11708 expectedPublicKey = publicKey.getEncoded(); 11709 } catch (CertificateException e) { 11710 return -1; 11711 } 11712 11713 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11714 11715 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11716 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11717 + " does not have the expected public key; ignoring"); 11718 return -1; 11719 } 11720 11721 return pkg.applicationInfo.uid; 11722 } 11723 } 11724 11725 @Override 11726 public void finishPackageInstall(int token) { 11727 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11728 11729 if (DEBUG_INSTALL) { 11730 Slog.v(TAG, "BM finishing package install for " + token); 11731 } 11732 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11733 11734 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11735 mHandler.sendMessage(msg); 11736 } 11737 11738 /** 11739 * Get the verification agent timeout. 11740 * 11741 * @return verification timeout in milliseconds 11742 */ 11743 private long getVerificationTimeout() { 11744 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11745 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11746 DEFAULT_VERIFICATION_TIMEOUT); 11747 } 11748 11749 /** 11750 * Get the default verification agent response code. 11751 * 11752 * @return default verification response code 11753 */ 11754 private int getDefaultVerificationResponse() { 11755 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11756 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11757 DEFAULT_VERIFICATION_RESPONSE); 11758 } 11759 11760 /** 11761 * Check whether or not package verification has been enabled. 11762 * 11763 * @return true if verification should be performed 11764 */ 11765 private boolean isVerificationEnabled(int userId, int installFlags) { 11766 if (!DEFAULT_VERIFY_ENABLE) { 11767 return false; 11768 } 11769 // Ephemeral apps don't get the full verification treatment 11770 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11771 if (DEBUG_EPHEMERAL) { 11772 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11773 } 11774 return false; 11775 } 11776 11777 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11778 11779 // Check if installing from ADB 11780 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11781 // Do not run verification in a test harness environment 11782 if (ActivityManager.isRunningInTestHarness()) { 11783 return false; 11784 } 11785 if (ensureVerifyAppsEnabled) { 11786 return true; 11787 } 11788 // Check if the developer does not want package verification for ADB installs 11789 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11790 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11791 return false; 11792 } 11793 } 11794 11795 if (ensureVerifyAppsEnabled) { 11796 return true; 11797 } 11798 11799 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11800 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11801 } 11802 11803 @Override 11804 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11805 throws RemoteException { 11806 mContext.enforceCallingOrSelfPermission( 11807 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11808 "Only intentfilter verification agents can verify applications"); 11809 11810 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11811 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11812 Binder.getCallingUid(), verificationCode, failedDomains); 11813 msg.arg1 = id; 11814 msg.obj = response; 11815 mHandler.sendMessage(msg); 11816 } 11817 11818 @Override 11819 public int getIntentVerificationStatus(String packageName, int userId) { 11820 synchronized (mPackages) { 11821 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11822 } 11823 } 11824 11825 @Override 11826 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11827 mContext.enforceCallingOrSelfPermission( 11828 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11829 11830 boolean result = false; 11831 synchronized (mPackages) { 11832 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11833 } 11834 if (result) { 11835 scheduleWritePackageRestrictionsLocked(userId); 11836 } 11837 return result; 11838 } 11839 11840 @Override 11841 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11842 String packageName) { 11843 synchronized (mPackages) { 11844 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11845 } 11846 } 11847 11848 @Override 11849 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11850 if (TextUtils.isEmpty(packageName)) { 11851 return ParceledListSlice.emptyList(); 11852 } 11853 synchronized (mPackages) { 11854 PackageParser.Package pkg = mPackages.get(packageName); 11855 if (pkg == null || pkg.activities == null) { 11856 return ParceledListSlice.emptyList(); 11857 } 11858 final int count = pkg.activities.size(); 11859 ArrayList<IntentFilter> result = new ArrayList<>(); 11860 for (int n=0; n<count; n++) { 11861 PackageParser.Activity activity = pkg.activities.get(n); 11862 if (activity.intents != null && activity.intents.size() > 0) { 11863 result.addAll(activity.intents); 11864 } 11865 } 11866 return new ParceledListSlice<>(result); 11867 } 11868 } 11869 11870 @Override 11871 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11872 mContext.enforceCallingOrSelfPermission( 11873 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11874 11875 synchronized (mPackages) { 11876 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11877 if (packageName != null) { 11878 result |= updateIntentVerificationStatus(packageName, 11879 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11880 userId); 11881 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11882 packageName, userId); 11883 } 11884 return result; 11885 } 11886 } 11887 11888 @Override 11889 public String getDefaultBrowserPackageName(int userId) { 11890 synchronized (mPackages) { 11891 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11892 } 11893 } 11894 11895 /** 11896 * Get the "allow unknown sources" setting. 11897 * 11898 * @return the current "allow unknown sources" setting 11899 */ 11900 private int getUnknownSourcesSettings() { 11901 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 11902 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 11903 -1); 11904 } 11905 11906 @Override 11907 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11908 final int uid = Binder.getCallingUid(); 11909 // writer 11910 synchronized (mPackages) { 11911 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11912 if (targetPackageSetting == null) { 11913 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11914 } 11915 11916 PackageSetting installerPackageSetting; 11917 if (installerPackageName != null) { 11918 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11919 if (installerPackageSetting == null) { 11920 throw new IllegalArgumentException("Unknown installer package: " 11921 + installerPackageName); 11922 } 11923 } else { 11924 installerPackageSetting = null; 11925 } 11926 11927 Signature[] callerSignature; 11928 Object obj = mSettings.getUserIdLPr(uid); 11929 if (obj != null) { 11930 if (obj instanceof SharedUserSetting) { 11931 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11932 } else if (obj instanceof PackageSetting) { 11933 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11934 } else { 11935 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11936 } 11937 } else { 11938 throw new SecurityException("Unknown calling UID: " + uid); 11939 } 11940 11941 // Verify: can't set installerPackageName to a package that is 11942 // not signed with the same cert as the caller. 11943 if (installerPackageSetting != null) { 11944 if (compareSignatures(callerSignature, 11945 installerPackageSetting.signatures.mSignatures) 11946 != PackageManager.SIGNATURE_MATCH) { 11947 throw new SecurityException( 11948 "Caller does not have same cert as new installer package " 11949 + installerPackageName); 11950 } 11951 } 11952 11953 // Verify: if target already has an installer package, it must 11954 // be signed with the same cert as the caller. 11955 if (targetPackageSetting.installerPackageName != null) { 11956 PackageSetting setting = mSettings.mPackages.get( 11957 targetPackageSetting.installerPackageName); 11958 // If the currently set package isn't valid, then it's always 11959 // okay to change it. 11960 if (setting != null) { 11961 if (compareSignatures(callerSignature, 11962 setting.signatures.mSignatures) 11963 != PackageManager.SIGNATURE_MATCH) { 11964 throw new SecurityException( 11965 "Caller does not have same cert as old installer package " 11966 + targetPackageSetting.installerPackageName); 11967 } 11968 } 11969 } 11970 11971 // Okay! 11972 targetPackageSetting.installerPackageName = installerPackageName; 11973 if (installerPackageName != null) { 11974 mSettings.mInstallerPackages.add(installerPackageName); 11975 } 11976 scheduleWriteSettingsLocked(); 11977 } 11978 } 11979 11980 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11981 // Queue up an async operation since the package installation may take a little while. 11982 mHandler.post(new Runnable() { 11983 public void run() { 11984 mHandler.removeCallbacks(this); 11985 // Result object to be returned 11986 PackageInstalledInfo res = new PackageInstalledInfo(); 11987 res.setReturnCode(currentStatus); 11988 res.uid = -1; 11989 res.pkg = null; 11990 res.removedInfo = null; 11991 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11992 args.doPreInstall(res.returnCode); 11993 synchronized (mInstallLock) { 11994 installPackageTracedLI(args, res); 11995 } 11996 args.doPostInstall(res.returnCode, res.uid); 11997 } 11998 11999 // A restore should be performed at this point if (a) the install 12000 // succeeded, (b) the operation is not an update, and (c) the new 12001 // package has not opted out of backup participation. 12002 final boolean update = res.removedInfo != null 12003 && res.removedInfo.removedPackage != null; 12004 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 12005 boolean doRestore = !update 12006 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 12007 12008 // Set up the post-install work request bookkeeping. This will be used 12009 // and cleaned up by the post-install event handling regardless of whether 12010 // there's a restore pass performed. Token values are >= 1. 12011 int token; 12012 if (mNextInstallToken < 0) mNextInstallToken = 1; 12013 token = mNextInstallToken++; 12014 12015 PostInstallData data = new PostInstallData(args, res); 12016 mRunningInstalls.put(token, data); 12017 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 12018 12019 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 12020 // Pass responsibility to the Backup Manager. It will perform a 12021 // restore if appropriate, then pass responsibility back to the 12022 // Package Manager to run the post-install observer callbacks 12023 // and broadcasts. 12024 IBackupManager bm = IBackupManager.Stub.asInterface( 12025 ServiceManager.getService(Context.BACKUP_SERVICE)); 12026 if (bm != null) { 12027 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 12028 + " to BM for possible restore"); 12029 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 12030 try { 12031 // TODO: http://b/22388012 12032 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 12033 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 12034 } else { 12035 doRestore = false; 12036 } 12037 } catch (RemoteException e) { 12038 // can't happen; the backup manager is local 12039 } catch (Exception e) { 12040 Slog.e(TAG, "Exception trying to enqueue restore", e); 12041 doRestore = false; 12042 } 12043 } else { 12044 Slog.e(TAG, "Backup Manager not found!"); 12045 doRestore = false; 12046 } 12047 } 12048 12049 if (!doRestore) { 12050 // No restore possible, or the Backup Manager was mysteriously not 12051 // available -- just fire the post-install work request directly. 12052 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 12053 12054 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 12055 12056 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 12057 mHandler.sendMessage(msg); 12058 } 12059 } 12060 }); 12061 } 12062 12063 private abstract class HandlerParams { 12064 private static final int MAX_RETRIES = 4; 12065 12066 /** 12067 * Number of times startCopy() has been attempted and had a non-fatal 12068 * error. 12069 */ 12070 private int mRetries = 0; 12071 12072 /** User handle for the user requesting the information or installation. */ 12073 private final UserHandle mUser; 12074 String traceMethod; 12075 int traceCookie; 12076 12077 HandlerParams(UserHandle user) { 12078 mUser = user; 12079 } 12080 12081 UserHandle getUser() { 12082 return mUser; 12083 } 12084 12085 HandlerParams setTraceMethod(String traceMethod) { 12086 this.traceMethod = traceMethod; 12087 return this; 12088 } 12089 12090 HandlerParams setTraceCookie(int traceCookie) { 12091 this.traceCookie = traceCookie; 12092 return this; 12093 } 12094 12095 final boolean startCopy() { 12096 boolean res; 12097 try { 12098 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 12099 12100 if (++mRetries > MAX_RETRIES) { 12101 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 12102 mHandler.sendEmptyMessage(MCS_GIVE_UP); 12103 handleServiceError(); 12104 return false; 12105 } else { 12106 handleStartCopy(); 12107 res = true; 12108 } 12109 } catch (RemoteException e) { 12110 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 12111 mHandler.sendEmptyMessage(MCS_RECONNECT); 12112 res = false; 12113 } 12114 handleReturnCode(); 12115 return res; 12116 } 12117 12118 final void serviceError() { 12119 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 12120 handleServiceError(); 12121 handleReturnCode(); 12122 } 12123 12124 abstract void handleStartCopy() throws RemoteException; 12125 abstract void handleServiceError(); 12126 abstract void handleReturnCode(); 12127 } 12128 12129 class MeasureParams extends HandlerParams { 12130 private final PackageStats mStats; 12131 private boolean mSuccess; 12132 12133 private final IPackageStatsObserver mObserver; 12134 12135 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 12136 super(new UserHandle(stats.userHandle)); 12137 mObserver = observer; 12138 mStats = stats; 12139 } 12140 12141 @Override 12142 public String toString() { 12143 return "MeasureParams{" 12144 + Integer.toHexString(System.identityHashCode(this)) 12145 + " " + mStats.packageName + "}"; 12146 } 12147 12148 @Override 12149 void handleStartCopy() throws RemoteException { 12150 synchronized (mInstallLock) { 12151 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 12152 } 12153 12154 if (mSuccess) { 12155 final boolean mounted; 12156 if (Environment.isExternalStorageEmulated()) { 12157 mounted = true; 12158 } else { 12159 final String status = Environment.getExternalStorageState(); 12160 mounted = (Environment.MEDIA_MOUNTED.equals(status) 12161 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 12162 } 12163 12164 if (mounted) { 12165 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 12166 12167 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 12168 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 12169 12170 mStats.externalDataSize = calculateDirectorySize(mContainerService, 12171 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 12172 12173 // Always subtract cache size, since it's a subdirectory 12174 mStats.externalDataSize -= mStats.externalCacheSize; 12175 12176 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 12177 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 12178 12179 mStats.externalObbSize = calculateDirectorySize(mContainerService, 12180 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 12181 } 12182 } 12183 } 12184 12185 @Override 12186 void handleReturnCode() { 12187 if (mObserver != null) { 12188 try { 12189 mObserver.onGetStatsCompleted(mStats, mSuccess); 12190 } catch (RemoteException e) { 12191 Slog.i(TAG, "Observer no longer exists."); 12192 } 12193 } 12194 } 12195 12196 @Override 12197 void handleServiceError() { 12198 Slog.e(TAG, "Could not measure application " + mStats.packageName 12199 + " external storage"); 12200 } 12201 } 12202 12203 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 12204 throws RemoteException { 12205 long result = 0; 12206 for (File path : paths) { 12207 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 12208 } 12209 return result; 12210 } 12211 12212 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 12213 for (File path : paths) { 12214 try { 12215 mcs.clearDirectory(path.getAbsolutePath()); 12216 } catch (RemoteException e) { 12217 } 12218 } 12219 } 12220 12221 static class OriginInfo { 12222 /** 12223 * Location where install is coming from, before it has been 12224 * copied/renamed into place. This could be a single monolithic APK 12225 * file, or a cluster directory. This location may be untrusted. 12226 */ 12227 final File file; 12228 final String cid; 12229 12230 /** 12231 * Flag indicating that {@link #file} or {@link #cid} has already been 12232 * staged, meaning downstream users don't need to defensively copy the 12233 * contents. 12234 */ 12235 final boolean staged; 12236 12237 /** 12238 * Flag indicating that {@link #file} or {@link #cid} is an already 12239 * installed app that is being moved. 12240 */ 12241 final boolean existing; 12242 12243 final String resolvedPath; 12244 final File resolvedFile; 12245 12246 static OriginInfo fromNothing() { 12247 return new OriginInfo(null, null, false, false); 12248 } 12249 12250 static OriginInfo fromUntrustedFile(File file) { 12251 return new OriginInfo(file, null, false, false); 12252 } 12253 12254 static OriginInfo fromExistingFile(File file) { 12255 return new OriginInfo(file, null, false, true); 12256 } 12257 12258 static OriginInfo fromStagedFile(File file) { 12259 return new OriginInfo(file, null, true, false); 12260 } 12261 12262 static OriginInfo fromStagedContainer(String cid) { 12263 return new OriginInfo(null, cid, true, false); 12264 } 12265 12266 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12267 this.file = file; 12268 this.cid = cid; 12269 this.staged = staged; 12270 this.existing = existing; 12271 12272 if (cid != null) { 12273 resolvedPath = PackageHelper.getSdDir(cid); 12274 resolvedFile = new File(resolvedPath); 12275 } else if (file != null) { 12276 resolvedPath = file.getAbsolutePath(); 12277 resolvedFile = file; 12278 } else { 12279 resolvedPath = null; 12280 resolvedFile = null; 12281 } 12282 } 12283 } 12284 12285 static class MoveInfo { 12286 final int moveId; 12287 final String fromUuid; 12288 final String toUuid; 12289 final String packageName; 12290 final String dataAppName; 12291 final int appId; 12292 final String seinfo; 12293 final int targetSdkVersion; 12294 12295 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12296 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12297 this.moveId = moveId; 12298 this.fromUuid = fromUuid; 12299 this.toUuid = toUuid; 12300 this.packageName = packageName; 12301 this.dataAppName = dataAppName; 12302 this.appId = appId; 12303 this.seinfo = seinfo; 12304 this.targetSdkVersion = targetSdkVersion; 12305 } 12306 } 12307 12308 static class VerificationInfo { 12309 /** A constant used to indicate that a uid value is not present. */ 12310 public static final int NO_UID = -1; 12311 12312 /** URI referencing where the package was downloaded from. */ 12313 final Uri originatingUri; 12314 12315 /** HTTP referrer URI associated with the originatingURI. */ 12316 final Uri referrer; 12317 12318 /** UID of the application that the install request originated from. */ 12319 final int originatingUid; 12320 12321 /** UID of application requesting the install */ 12322 final int installerUid; 12323 12324 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12325 this.originatingUri = originatingUri; 12326 this.referrer = referrer; 12327 this.originatingUid = originatingUid; 12328 this.installerUid = installerUid; 12329 } 12330 } 12331 12332 class InstallParams extends HandlerParams { 12333 final OriginInfo origin; 12334 final MoveInfo move; 12335 final IPackageInstallObserver2 observer; 12336 int installFlags; 12337 final String installerPackageName; 12338 final String volumeUuid; 12339 private InstallArgs mArgs; 12340 private int mRet; 12341 final String packageAbiOverride; 12342 final String[] grantedRuntimePermissions; 12343 final VerificationInfo verificationInfo; 12344 final Certificate[][] certificates; 12345 12346 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12347 int installFlags, String installerPackageName, String volumeUuid, 12348 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12349 String[] grantedPermissions, Certificate[][] certificates) { 12350 super(user); 12351 this.origin = origin; 12352 this.move = move; 12353 this.observer = observer; 12354 this.installFlags = installFlags; 12355 this.installerPackageName = installerPackageName; 12356 this.volumeUuid = volumeUuid; 12357 this.verificationInfo = verificationInfo; 12358 this.packageAbiOverride = packageAbiOverride; 12359 this.grantedRuntimePermissions = grantedPermissions; 12360 this.certificates = certificates; 12361 } 12362 12363 @Override 12364 public String toString() { 12365 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12366 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12367 } 12368 12369 private int installLocationPolicy(PackageInfoLite pkgLite) { 12370 String packageName = pkgLite.packageName; 12371 int installLocation = pkgLite.installLocation; 12372 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12373 // reader 12374 synchronized (mPackages) { 12375 // Currently installed package which the new package is attempting to replace or 12376 // null if no such package is installed. 12377 PackageParser.Package installedPkg = mPackages.get(packageName); 12378 // Package which currently owns the data which the new package will own if installed. 12379 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12380 // will be null whereas dataOwnerPkg will contain information about the package 12381 // which was uninstalled while keeping its data. 12382 PackageParser.Package dataOwnerPkg = installedPkg; 12383 if (dataOwnerPkg == null) { 12384 PackageSetting ps = mSettings.mPackages.get(packageName); 12385 if (ps != null) { 12386 dataOwnerPkg = ps.pkg; 12387 } 12388 } 12389 12390 if (dataOwnerPkg != null) { 12391 // If installed, the package will get access to data left on the device by its 12392 // predecessor. As a security measure, this is permited only if this is not a 12393 // version downgrade or if the predecessor package is marked as debuggable and 12394 // a downgrade is explicitly requested. 12395 // 12396 // On debuggable platform builds, downgrades are permitted even for 12397 // non-debuggable packages to make testing easier. Debuggable platform builds do 12398 // not offer security guarantees and thus it's OK to disable some security 12399 // mechanisms to make debugging/testing easier on those builds. However, even on 12400 // debuggable builds downgrades of packages are permitted only if requested via 12401 // installFlags. This is because we aim to keep the behavior of debuggable 12402 // platform builds as close as possible to the behavior of non-debuggable 12403 // platform builds. 12404 final boolean downgradeRequested = 12405 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12406 final boolean packageDebuggable = 12407 (dataOwnerPkg.applicationInfo.flags 12408 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12409 final boolean downgradePermitted = 12410 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12411 if (!downgradePermitted) { 12412 try { 12413 checkDowngrade(dataOwnerPkg, pkgLite); 12414 } catch (PackageManagerException e) { 12415 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12416 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12417 } 12418 } 12419 } 12420 12421 if (installedPkg != null) { 12422 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12423 // Check for updated system application. 12424 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12425 if (onSd) { 12426 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12427 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12428 } 12429 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12430 } else { 12431 if (onSd) { 12432 // Install flag overrides everything. 12433 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12434 } 12435 // If current upgrade specifies particular preference 12436 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12437 // Application explicitly specified internal. 12438 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12439 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12440 // App explictly prefers external. Let policy decide 12441 } else { 12442 // Prefer previous location 12443 if (isExternal(installedPkg)) { 12444 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12445 } 12446 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12447 } 12448 } 12449 } else { 12450 // Invalid install. Return error code 12451 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12452 } 12453 } 12454 } 12455 // All the special cases have been taken care of. 12456 // Return result based on recommended install location. 12457 if (onSd) { 12458 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12459 } 12460 return pkgLite.recommendedInstallLocation; 12461 } 12462 12463 /* 12464 * Invoke remote method to get package information and install 12465 * location values. Override install location based on default 12466 * policy if needed and then create install arguments based 12467 * on the install location. 12468 */ 12469 public void handleStartCopy() throws RemoteException { 12470 int ret = PackageManager.INSTALL_SUCCEEDED; 12471 12472 // If we're already staged, we've firmly committed to an install location 12473 if (origin.staged) { 12474 if (origin.file != null) { 12475 installFlags |= PackageManager.INSTALL_INTERNAL; 12476 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12477 } else if (origin.cid != null) { 12478 installFlags |= PackageManager.INSTALL_EXTERNAL; 12479 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12480 } else { 12481 throw new IllegalStateException("Invalid stage location"); 12482 } 12483 } 12484 12485 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12486 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12487 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12488 PackageInfoLite pkgLite = null; 12489 12490 if (onInt && onSd) { 12491 // Check if both bits are set. 12492 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12493 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12494 } else if (onSd && ephemeral) { 12495 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12496 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12497 } else { 12498 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12499 packageAbiOverride); 12500 12501 if (DEBUG_EPHEMERAL && ephemeral) { 12502 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12503 } 12504 12505 /* 12506 * If we have too little free space, try to free cache 12507 * before giving up. 12508 */ 12509 if (!origin.staged && pkgLite.recommendedInstallLocation 12510 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12511 // TODO: focus freeing disk space on the target device 12512 final StorageManager storage = StorageManager.from(mContext); 12513 final long lowThreshold = storage.getStorageLowBytes( 12514 Environment.getDataDirectory()); 12515 12516 final long sizeBytes = mContainerService.calculateInstalledSize( 12517 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12518 12519 try { 12520 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12521 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12522 installFlags, packageAbiOverride); 12523 } catch (InstallerException e) { 12524 Slog.w(TAG, "Failed to free cache", e); 12525 } 12526 12527 /* 12528 * The cache free must have deleted the file we 12529 * downloaded to install. 12530 * 12531 * TODO: fix the "freeCache" call to not delete 12532 * the file we care about. 12533 */ 12534 if (pkgLite.recommendedInstallLocation 12535 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12536 pkgLite.recommendedInstallLocation 12537 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12538 } 12539 } 12540 } 12541 12542 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12543 int loc = pkgLite.recommendedInstallLocation; 12544 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12545 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12546 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12547 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12548 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12549 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12550 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12551 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12552 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12553 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12554 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12555 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12556 } else { 12557 // Override with defaults if needed. 12558 loc = installLocationPolicy(pkgLite); 12559 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12560 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12561 } else if (!onSd && !onInt) { 12562 // Override install location with flags 12563 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12564 // Set the flag to install on external media. 12565 installFlags |= PackageManager.INSTALL_EXTERNAL; 12566 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12567 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12568 if (DEBUG_EPHEMERAL) { 12569 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12570 } 12571 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12572 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12573 |PackageManager.INSTALL_INTERNAL); 12574 } else { 12575 // Make sure the flag for installing on external 12576 // media is unset 12577 installFlags |= PackageManager.INSTALL_INTERNAL; 12578 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12579 } 12580 } 12581 } 12582 } 12583 12584 final InstallArgs args = createInstallArgs(this); 12585 mArgs = args; 12586 12587 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12588 // TODO: http://b/22976637 12589 // Apps installed for "all" users use the device owner to verify the app 12590 UserHandle verifierUser = getUser(); 12591 if (verifierUser == UserHandle.ALL) { 12592 verifierUser = UserHandle.SYSTEM; 12593 } 12594 12595 /* 12596 * Determine if we have any installed package verifiers. If we 12597 * do, then we'll defer to them to verify the packages. 12598 */ 12599 final int requiredUid = mRequiredVerifierPackage == null ? -1 12600 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12601 verifierUser.getIdentifier()); 12602 if (!origin.existing && requiredUid != -1 12603 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12604 final Intent verification = new Intent( 12605 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12606 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12607 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12608 PACKAGE_MIME_TYPE); 12609 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12610 12611 // Query all live verifiers based on current user state 12612 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12613 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12614 12615 if (DEBUG_VERIFY) { 12616 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12617 + verification.toString() + " with " + pkgLite.verifiers.length 12618 + " optional verifiers"); 12619 } 12620 12621 final int verificationId = mPendingVerificationToken++; 12622 12623 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12624 12625 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12626 installerPackageName); 12627 12628 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12629 installFlags); 12630 12631 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12632 pkgLite.packageName); 12633 12634 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12635 pkgLite.versionCode); 12636 12637 if (verificationInfo != null) { 12638 if (verificationInfo.originatingUri != null) { 12639 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12640 verificationInfo.originatingUri); 12641 } 12642 if (verificationInfo.referrer != null) { 12643 verification.putExtra(Intent.EXTRA_REFERRER, 12644 verificationInfo.referrer); 12645 } 12646 if (verificationInfo.originatingUid >= 0) { 12647 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12648 verificationInfo.originatingUid); 12649 } 12650 if (verificationInfo.installerUid >= 0) { 12651 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12652 verificationInfo.installerUid); 12653 } 12654 } 12655 12656 final PackageVerificationState verificationState = new PackageVerificationState( 12657 requiredUid, args); 12658 12659 mPendingVerification.append(verificationId, verificationState); 12660 12661 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12662 receivers, verificationState); 12663 12664 /* 12665 * If any sufficient verifiers were listed in the package 12666 * manifest, attempt to ask them. 12667 */ 12668 if (sufficientVerifiers != null) { 12669 final int N = sufficientVerifiers.size(); 12670 if (N == 0) { 12671 Slog.i(TAG, "Additional verifiers required, but none installed."); 12672 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12673 } else { 12674 for (int i = 0; i < N; i++) { 12675 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12676 12677 final Intent sufficientIntent = new Intent(verification); 12678 sufficientIntent.setComponent(verifierComponent); 12679 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12680 } 12681 } 12682 } 12683 12684 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12685 mRequiredVerifierPackage, receivers); 12686 if (ret == PackageManager.INSTALL_SUCCEEDED 12687 && mRequiredVerifierPackage != null) { 12688 Trace.asyncTraceBegin( 12689 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12690 /* 12691 * Send the intent to the required verification agent, 12692 * but only start the verification timeout after the 12693 * target BroadcastReceivers have run. 12694 */ 12695 verification.setComponent(requiredVerifierComponent); 12696 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12697 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12698 new BroadcastReceiver() { 12699 @Override 12700 public void onReceive(Context context, Intent intent) { 12701 final Message msg = mHandler 12702 .obtainMessage(CHECK_PENDING_VERIFICATION); 12703 msg.arg1 = verificationId; 12704 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12705 } 12706 }, null, 0, null, null); 12707 12708 /* 12709 * We don't want the copy to proceed until verification 12710 * succeeds, so null out this field. 12711 */ 12712 mArgs = null; 12713 } 12714 } else { 12715 /* 12716 * No package verification is enabled, so immediately start 12717 * the remote call to initiate copy using temporary file. 12718 */ 12719 ret = args.copyApk(mContainerService, true); 12720 } 12721 } 12722 12723 mRet = ret; 12724 } 12725 12726 @Override 12727 void handleReturnCode() { 12728 // If mArgs is null, then MCS couldn't be reached. When it 12729 // reconnects, it will try again to install. At that point, this 12730 // will succeed. 12731 if (mArgs != null) { 12732 processPendingInstall(mArgs, mRet); 12733 } 12734 } 12735 12736 @Override 12737 void handleServiceError() { 12738 mArgs = createInstallArgs(this); 12739 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12740 } 12741 12742 public boolean isForwardLocked() { 12743 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12744 } 12745 } 12746 12747 /** 12748 * Used during creation of InstallArgs 12749 * 12750 * @param installFlags package installation flags 12751 * @return true if should be installed on external storage 12752 */ 12753 private static boolean installOnExternalAsec(int installFlags) { 12754 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12755 return false; 12756 } 12757 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12758 return true; 12759 } 12760 return false; 12761 } 12762 12763 /** 12764 * Used during creation of InstallArgs 12765 * 12766 * @param installFlags package installation flags 12767 * @return true if should be installed as forward locked 12768 */ 12769 private static boolean installForwardLocked(int installFlags) { 12770 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12771 } 12772 12773 private InstallArgs createInstallArgs(InstallParams params) { 12774 if (params.move != null) { 12775 return new MoveInstallArgs(params); 12776 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12777 return new AsecInstallArgs(params); 12778 } else { 12779 return new FileInstallArgs(params); 12780 } 12781 } 12782 12783 /** 12784 * Create args that describe an existing installed package. Typically used 12785 * when cleaning up old installs, or used as a move source. 12786 */ 12787 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12788 String resourcePath, String[] instructionSets) { 12789 final boolean isInAsec; 12790 if (installOnExternalAsec(installFlags)) { 12791 /* Apps on SD card are always in ASEC containers. */ 12792 isInAsec = true; 12793 } else if (installForwardLocked(installFlags) 12794 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12795 /* 12796 * Forward-locked apps are only in ASEC containers if they're the 12797 * new style 12798 */ 12799 isInAsec = true; 12800 } else { 12801 isInAsec = false; 12802 } 12803 12804 if (isInAsec) { 12805 return new AsecInstallArgs(codePath, instructionSets, 12806 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12807 } else { 12808 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12809 } 12810 } 12811 12812 static abstract class InstallArgs { 12813 /** @see InstallParams#origin */ 12814 final OriginInfo origin; 12815 /** @see InstallParams#move */ 12816 final MoveInfo move; 12817 12818 final IPackageInstallObserver2 observer; 12819 // Always refers to PackageManager flags only 12820 final int installFlags; 12821 final String installerPackageName; 12822 final String volumeUuid; 12823 final UserHandle user; 12824 final String abiOverride; 12825 final String[] installGrantPermissions; 12826 /** If non-null, drop an async trace when the install completes */ 12827 final String traceMethod; 12828 final int traceCookie; 12829 final Certificate[][] certificates; 12830 12831 // The list of instruction sets supported by this app. This is currently 12832 // only used during the rmdex() phase to clean up resources. We can get rid of this 12833 // if we move dex files under the common app path. 12834 /* nullable */ String[] instructionSets; 12835 12836 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12837 int installFlags, String installerPackageName, String volumeUuid, 12838 UserHandle user, String[] instructionSets, 12839 String abiOverride, String[] installGrantPermissions, 12840 String traceMethod, int traceCookie, Certificate[][] certificates) { 12841 this.origin = origin; 12842 this.move = move; 12843 this.installFlags = installFlags; 12844 this.observer = observer; 12845 this.installerPackageName = installerPackageName; 12846 this.volumeUuid = volumeUuid; 12847 this.user = user; 12848 this.instructionSets = instructionSets; 12849 this.abiOverride = abiOverride; 12850 this.installGrantPermissions = installGrantPermissions; 12851 this.traceMethod = traceMethod; 12852 this.traceCookie = traceCookie; 12853 this.certificates = certificates; 12854 } 12855 12856 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12857 abstract int doPreInstall(int status); 12858 12859 /** 12860 * Rename package into final resting place. All paths on the given 12861 * scanned package should be updated to reflect the rename. 12862 */ 12863 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12864 abstract int doPostInstall(int status, int uid); 12865 12866 /** @see PackageSettingBase#codePathString */ 12867 abstract String getCodePath(); 12868 /** @see PackageSettingBase#resourcePathString */ 12869 abstract String getResourcePath(); 12870 12871 // Need installer lock especially for dex file removal. 12872 abstract void cleanUpResourcesLI(); 12873 abstract boolean doPostDeleteLI(boolean delete); 12874 12875 /** 12876 * Called before the source arguments are copied. This is used mostly 12877 * for MoveParams when it needs to read the source file to put it in the 12878 * destination. 12879 */ 12880 int doPreCopy() { 12881 return PackageManager.INSTALL_SUCCEEDED; 12882 } 12883 12884 /** 12885 * Called after the source arguments are copied. This is used mostly for 12886 * MoveParams when it needs to read the source file to put it in the 12887 * destination. 12888 */ 12889 int doPostCopy(int uid) { 12890 return PackageManager.INSTALL_SUCCEEDED; 12891 } 12892 12893 protected boolean isFwdLocked() { 12894 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12895 } 12896 12897 protected boolean isExternalAsec() { 12898 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12899 } 12900 12901 protected boolean isEphemeral() { 12902 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12903 } 12904 12905 UserHandle getUser() { 12906 return user; 12907 } 12908 } 12909 12910 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12911 if (!allCodePaths.isEmpty()) { 12912 if (instructionSets == null) { 12913 throw new IllegalStateException("instructionSet == null"); 12914 } 12915 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12916 for (String codePath : allCodePaths) { 12917 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12918 try { 12919 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12920 } catch (InstallerException ignored) { 12921 } 12922 } 12923 } 12924 } 12925 } 12926 12927 /** 12928 * Logic to handle installation of non-ASEC applications, including copying 12929 * and renaming logic. 12930 */ 12931 class FileInstallArgs extends InstallArgs { 12932 private File codeFile; 12933 private File resourceFile; 12934 12935 // Example topology: 12936 // /data/app/com.example/base.apk 12937 // /data/app/com.example/split_foo.apk 12938 // /data/app/com.example/lib/arm/libfoo.so 12939 // /data/app/com.example/lib/arm64/libfoo.so 12940 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12941 12942 /** New install */ 12943 FileInstallArgs(InstallParams params) { 12944 super(params.origin, params.move, params.observer, params.installFlags, 12945 params.installerPackageName, params.volumeUuid, 12946 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 12947 params.grantedRuntimePermissions, 12948 params.traceMethod, params.traceCookie, params.certificates); 12949 if (isFwdLocked()) { 12950 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12951 } 12952 } 12953 12954 /** Existing install */ 12955 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12956 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12957 null, null, null, 0, null /*certificates*/); 12958 this.codeFile = (codePath != null) ? new File(codePath) : null; 12959 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12960 } 12961 12962 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12963 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12964 try { 12965 return doCopyApk(imcs, temp); 12966 } finally { 12967 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12968 } 12969 } 12970 12971 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12972 if (origin.staged) { 12973 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12974 codeFile = origin.file; 12975 resourceFile = origin.file; 12976 return PackageManager.INSTALL_SUCCEEDED; 12977 } 12978 12979 try { 12980 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12981 final File tempDir = 12982 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12983 codeFile = tempDir; 12984 resourceFile = tempDir; 12985 } catch (IOException e) { 12986 Slog.w(TAG, "Failed to create copy file: " + e); 12987 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12988 } 12989 12990 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12991 @Override 12992 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12993 if (!FileUtils.isValidExtFilename(name)) { 12994 throw new IllegalArgumentException("Invalid filename: " + name); 12995 } 12996 try { 12997 final File file = new File(codeFile, name); 12998 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12999 O_RDWR | O_CREAT, 0644); 13000 Os.chmod(file.getAbsolutePath(), 0644); 13001 return new ParcelFileDescriptor(fd); 13002 } catch (ErrnoException e) { 13003 throw new RemoteException("Failed to open: " + e.getMessage()); 13004 } 13005 } 13006 }; 13007 13008 int ret = PackageManager.INSTALL_SUCCEEDED; 13009 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 13010 if (ret != PackageManager.INSTALL_SUCCEEDED) { 13011 Slog.e(TAG, "Failed to copy package"); 13012 return ret; 13013 } 13014 13015 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 13016 NativeLibraryHelper.Handle handle = null; 13017 try { 13018 handle = NativeLibraryHelper.Handle.create(codeFile); 13019 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 13020 abiOverride); 13021 } catch (IOException e) { 13022 Slog.e(TAG, "Copying native libraries failed", e); 13023 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13024 } finally { 13025 IoUtils.closeQuietly(handle); 13026 } 13027 13028 return ret; 13029 } 13030 13031 int doPreInstall(int status) { 13032 if (status != PackageManager.INSTALL_SUCCEEDED) { 13033 cleanUp(); 13034 } 13035 return status; 13036 } 13037 13038 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13039 if (status != PackageManager.INSTALL_SUCCEEDED) { 13040 cleanUp(); 13041 return false; 13042 } 13043 13044 final File targetDir = codeFile.getParentFile(); 13045 final File beforeCodeFile = codeFile; 13046 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 13047 13048 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 13049 try { 13050 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 13051 } catch (ErrnoException e) { 13052 Slog.w(TAG, "Failed to rename", e); 13053 return false; 13054 } 13055 13056 if (!SELinux.restoreconRecursive(afterCodeFile)) { 13057 Slog.w(TAG, "Failed to restorecon"); 13058 return false; 13059 } 13060 13061 // Reflect the rename internally 13062 codeFile = afterCodeFile; 13063 resourceFile = afterCodeFile; 13064 13065 // Reflect the rename in scanned details 13066 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13067 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13068 afterCodeFile, pkg.baseCodePath)); 13069 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13070 afterCodeFile, pkg.splitCodePaths)); 13071 13072 // Reflect the rename in app info 13073 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13074 pkg.setApplicationInfoCodePath(pkg.codePath); 13075 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13076 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13077 pkg.setApplicationInfoResourcePath(pkg.codePath); 13078 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13079 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13080 13081 return true; 13082 } 13083 13084 int doPostInstall(int status, int uid) { 13085 if (status != PackageManager.INSTALL_SUCCEEDED) { 13086 cleanUp(); 13087 } 13088 return status; 13089 } 13090 13091 @Override 13092 String getCodePath() { 13093 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13094 } 13095 13096 @Override 13097 String getResourcePath() { 13098 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13099 } 13100 13101 private boolean cleanUp() { 13102 if (codeFile == null || !codeFile.exists()) { 13103 return false; 13104 } 13105 13106 removeCodePathLI(codeFile); 13107 13108 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 13109 resourceFile.delete(); 13110 } 13111 13112 return true; 13113 } 13114 13115 void cleanUpResourcesLI() { 13116 // Try enumerating all code paths before deleting 13117 List<String> allCodePaths = Collections.EMPTY_LIST; 13118 if (codeFile != null && codeFile.exists()) { 13119 try { 13120 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13121 allCodePaths = pkg.getAllCodePaths(); 13122 } catch (PackageParserException e) { 13123 // Ignored; we tried our best 13124 } 13125 } 13126 13127 cleanUp(); 13128 removeDexFiles(allCodePaths, instructionSets); 13129 } 13130 13131 boolean doPostDeleteLI(boolean delete) { 13132 // XXX err, shouldn't we respect the delete flag? 13133 cleanUpResourcesLI(); 13134 return true; 13135 } 13136 } 13137 13138 private boolean isAsecExternal(String cid) { 13139 final String asecPath = PackageHelper.getSdFilesystem(cid); 13140 return !asecPath.startsWith(mAsecInternalPath); 13141 } 13142 13143 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 13144 PackageManagerException { 13145 if (copyRet < 0) { 13146 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 13147 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 13148 throw new PackageManagerException(copyRet, message); 13149 } 13150 } 13151 } 13152 13153 /** 13154 * Extract the MountService "container ID" from the full code path of an 13155 * .apk. 13156 */ 13157 static String cidFromCodePath(String fullCodePath) { 13158 int eidx = fullCodePath.lastIndexOf("/"); 13159 String subStr1 = fullCodePath.substring(0, eidx); 13160 int sidx = subStr1.lastIndexOf("/"); 13161 return subStr1.substring(sidx+1, eidx); 13162 } 13163 13164 /** 13165 * Logic to handle installation of ASEC applications, including copying and 13166 * renaming logic. 13167 */ 13168 class AsecInstallArgs extends InstallArgs { 13169 static final String RES_FILE_NAME = "pkg.apk"; 13170 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 13171 13172 String cid; 13173 String packagePath; 13174 String resourcePath; 13175 13176 /** New install */ 13177 AsecInstallArgs(InstallParams params) { 13178 super(params.origin, params.move, params.observer, params.installFlags, 13179 params.installerPackageName, params.volumeUuid, 13180 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13181 params.grantedRuntimePermissions, 13182 params.traceMethod, params.traceCookie, params.certificates); 13183 } 13184 13185 /** Existing install */ 13186 AsecInstallArgs(String fullCodePath, String[] instructionSets, 13187 boolean isExternal, boolean isForwardLocked) { 13188 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 13189 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13190 instructionSets, null, null, null, 0, null /*certificates*/); 13191 // Hackily pretend we're still looking at a full code path 13192 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 13193 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 13194 } 13195 13196 // Extract cid from fullCodePath 13197 int eidx = fullCodePath.lastIndexOf("/"); 13198 String subStr1 = fullCodePath.substring(0, eidx); 13199 int sidx = subStr1.lastIndexOf("/"); 13200 cid = subStr1.substring(sidx+1, eidx); 13201 setMountPath(subStr1); 13202 } 13203 13204 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 13205 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 13206 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 13207 instructionSets, null, null, null, 0, null /*certificates*/); 13208 this.cid = cid; 13209 setMountPath(PackageHelper.getSdDir(cid)); 13210 } 13211 13212 void createCopyFile() { 13213 cid = mInstallerService.allocateExternalStageCidLegacy(); 13214 } 13215 13216 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 13217 if (origin.staged && origin.cid != null) { 13218 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 13219 cid = origin.cid; 13220 setMountPath(PackageHelper.getSdDir(cid)); 13221 return PackageManager.INSTALL_SUCCEEDED; 13222 } 13223 13224 if (temp) { 13225 createCopyFile(); 13226 } else { 13227 /* 13228 * Pre-emptively destroy the container since it's destroyed if 13229 * copying fails due to it existing anyway. 13230 */ 13231 PackageHelper.destroySdDir(cid); 13232 } 13233 13234 final String newMountPath = imcs.copyPackageToContainer( 13235 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 13236 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 13237 13238 if (newMountPath != null) { 13239 setMountPath(newMountPath); 13240 return PackageManager.INSTALL_SUCCEEDED; 13241 } else { 13242 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13243 } 13244 } 13245 13246 @Override 13247 String getCodePath() { 13248 return packagePath; 13249 } 13250 13251 @Override 13252 String getResourcePath() { 13253 return resourcePath; 13254 } 13255 13256 int doPreInstall(int status) { 13257 if (status != PackageManager.INSTALL_SUCCEEDED) { 13258 // Destroy container 13259 PackageHelper.destroySdDir(cid); 13260 } else { 13261 boolean mounted = PackageHelper.isContainerMounted(cid); 13262 if (!mounted) { 13263 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13264 Process.SYSTEM_UID); 13265 if (newMountPath != null) { 13266 setMountPath(newMountPath); 13267 } else { 13268 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13269 } 13270 } 13271 } 13272 return status; 13273 } 13274 13275 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13276 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13277 String newMountPath = null; 13278 if (PackageHelper.isContainerMounted(cid)) { 13279 // Unmount the container 13280 if (!PackageHelper.unMountSdDir(cid)) { 13281 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13282 return false; 13283 } 13284 } 13285 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13286 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13287 " which might be stale. Will try to clean up."); 13288 // Clean up the stale container and proceed to recreate. 13289 if (!PackageHelper.destroySdDir(newCacheId)) { 13290 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13291 return false; 13292 } 13293 // Successfully cleaned up stale container. Try to rename again. 13294 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13295 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13296 + " inspite of cleaning it up."); 13297 return false; 13298 } 13299 } 13300 if (!PackageHelper.isContainerMounted(newCacheId)) { 13301 Slog.w(TAG, "Mounting container " + newCacheId); 13302 newMountPath = PackageHelper.mountSdDir(newCacheId, 13303 getEncryptKey(), Process.SYSTEM_UID); 13304 } else { 13305 newMountPath = PackageHelper.getSdDir(newCacheId); 13306 } 13307 if (newMountPath == null) { 13308 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13309 return false; 13310 } 13311 Log.i(TAG, "Succesfully renamed " + cid + 13312 " to " + newCacheId + 13313 " at new path: " + newMountPath); 13314 cid = newCacheId; 13315 13316 final File beforeCodeFile = new File(packagePath); 13317 setMountPath(newMountPath); 13318 final File afterCodeFile = new File(packagePath); 13319 13320 // Reflect the rename in scanned details 13321 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13322 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13323 afterCodeFile, pkg.baseCodePath)); 13324 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13325 afterCodeFile, pkg.splitCodePaths)); 13326 13327 // Reflect the rename in app info 13328 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13329 pkg.setApplicationInfoCodePath(pkg.codePath); 13330 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13331 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13332 pkg.setApplicationInfoResourcePath(pkg.codePath); 13333 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13334 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13335 13336 return true; 13337 } 13338 13339 private void setMountPath(String mountPath) { 13340 final File mountFile = new File(mountPath); 13341 13342 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13343 if (monolithicFile.exists()) { 13344 packagePath = monolithicFile.getAbsolutePath(); 13345 if (isFwdLocked()) { 13346 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13347 } else { 13348 resourcePath = packagePath; 13349 } 13350 } else { 13351 packagePath = mountFile.getAbsolutePath(); 13352 resourcePath = packagePath; 13353 } 13354 } 13355 13356 int doPostInstall(int status, int uid) { 13357 if (status != PackageManager.INSTALL_SUCCEEDED) { 13358 cleanUp(); 13359 } else { 13360 final int groupOwner; 13361 final String protectedFile; 13362 if (isFwdLocked()) { 13363 groupOwner = UserHandle.getSharedAppGid(uid); 13364 protectedFile = RES_FILE_NAME; 13365 } else { 13366 groupOwner = -1; 13367 protectedFile = null; 13368 } 13369 13370 if (uid < Process.FIRST_APPLICATION_UID 13371 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13372 Slog.e(TAG, "Failed to finalize " + cid); 13373 PackageHelper.destroySdDir(cid); 13374 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13375 } 13376 13377 boolean mounted = PackageHelper.isContainerMounted(cid); 13378 if (!mounted) { 13379 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13380 } 13381 } 13382 return status; 13383 } 13384 13385 private void cleanUp() { 13386 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13387 13388 // Destroy secure container 13389 PackageHelper.destroySdDir(cid); 13390 } 13391 13392 private List<String> getAllCodePaths() { 13393 final File codeFile = new File(getCodePath()); 13394 if (codeFile != null && codeFile.exists()) { 13395 try { 13396 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13397 return pkg.getAllCodePaths(); 13398 } catch (PackageParserException e) { 13399 // Ignored; we tried our best 13400 } 13401 } 13402 return Collections.EMPTY_LIST; 13403 } 13404 13405 void cleanUpResourcesLI() { 13406 // Enumerate all code paths before deleting 13407 cleanUpResourcesLI(getAllCodePaths()); 13408 } 13409 13410 private void cleanUpResourcesLI(List<String> allCodePaths) { 13411 cleanUp(); 13412 removeDexFiles(allCodePaths, instructionSets); 13413 } 13414 13415 String getPackageName() { 13416 return getAsecPackageName(cid); 13417 } 13418 13419 boolean doPostDeleteLI(boolean delete) { 13420 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13421 final List<String> allCodePaths = getAllCodePaths(); 13422 boolean mounted = PackageHelper.isContainerMounted(cid); 13423 if (mounted) { 13424 // Unmount first 13425 if (PackageHelper.unMountSdDir(cid)) { 13426 mounted = false; 13427 } 13428 } 13429 if (!mounted && delete) { 13430 cleanUpResourcesLI(allCodePaths); 13431 } 13432 return !mounted; 13433 } 13434 13435 @Override 13436 int doPreCopy() { 13437 if (isFwdLocked()) { 13438 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13439 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13440 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13441 } 13442 } 13443 13444 return PackageManager.INSTALL_SUCCEEDED; 13445 } 13446 13447 @Override 13448 int doPostCopy(int uid) { 13449 if (isFwdLocked()) { 13450 if (uid < Process.FIRST_APPLICATION_UID 13451 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13452 RES_FILE_NAME)) { 13453 Slog.e(TAG, "Failed to finalize " + cid); 13454 PackageHelper.destroySdDir(cid); 13455 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13456 } 13457 } 13458 13459 return PackageManager.INSTALL_SUCCEEDED; 13460 } 13461 } 13462 13463 /** 13464 * Logic to handle movement of existing installed applications. 13465 */ 13466 class MoveInstallArgs extends InstallArgs { 13467 private File codeFile; 13468 private File resourceFile; 13469 13470 /** New install */ 13471 MoveInstallArgs(InstallParams params) { 13472 super(params.origin, params.move, params.observer, params.installFlags, 13473 params.installerPackageName, params.volumeUuid, 13474 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13475 params.grantedRuntimePermissions, 13476 params.traceMethod, params.traceCookie, params.certificates); 13477 } 13478 13479 int copyApk(IMediaContainerService imcs, boolean temp) { 13480 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13481 + move.fromUuid + " to " + move.toUuid); 13482 synchronized (mInstaller) { 13483 try { 13484 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13485 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13486 } catch (InstallerException e) { 13487 Slog.w(TAG, "Failed to move app", e); 13488 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13489 } 13490 } 13491 13492 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13493 resourceFile = codeFile; 13494 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13495 13496 return PackageManager.INSTALL_SUCCEEDED; 13497 } 13498 13499 int doPreInstall(int status) { 13500 if (status != PackageManager.INSTALL_SUCCEEDED) { 13501 cleanUp(move.toUuid); 13502 } 13503 return status; 13504 } 13505 13506 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13507 if (status != PackageManager.INSTALL_SUCCEEDED) { 13508 cleanUp(move.toUuid); 13509 return false; 13510 } 13511 13512 // Reflect the move in app info 13513 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13514 pkg.setApplicationInfoCodePath(pkg.codePath); 13515 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13516 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13517 pkg.setApplicationInfoResourcePath(pkg.codePath); 13518 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13519 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13520 13521 return true; 13522 } 13523 13524 int doPostInstall(int status, int uid) { 13525 if (status == PackageManager.INSTALL_SUCCEEDED) { 13526 cleanUp(move.fromUuid); 13527 } else { 13528 cleanUp(move.toUuid); 13529 } 13530 return status; 13531 } 13532 13533 @Override 13534 String getCodePath() { 13535 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13536 } 13537 13538 @Override 13539 String getResourcePath() { 13540 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13541 } 13542 13543 private boolean cleanUp(String volumeUuid) { 13544 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13545 move.dataAppName); 13546 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13547 final int[] userIds = sUserManager.getUserIds(); 13548 synchronized (mInstallLock) { 13549 // Clean up both app data and code 13550 // All package moves are frozen until finished 13551 for (int userId : userIds) { 13552 try { 13553 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 13554 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 13555 } catch (InstallerException e) { 13556 Slog.w(TAG, String.valueOf(e)); 13557 } 13558 } 13559 removeCodePathLI(codeFile); 13560 } 13561 return true; 13562 } 13563 13564 void cleanUpResourcesLI() { 13565 throw new UnsupportedOperationException(); 13566 } 13567 13568 boolean doPostDeleteLI(boolean delete) { 13569 throw new UnsupportedOperationException(); 13570 } 13571 } 13572 13573 static String getAsecPackageName(String packageCid) { 13574 int idx = packageCid.lastIndexOf("-"); 13575 if (idx == -1) { 13576 return packageCid; 13577 } 13578 return packageCid.substring(0, idx); 13579 } 13580 13581 // Utility method used to create code paths based on package name and available index. 13582 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13583 String idxStr = ""; 13584 int idx = 1; 13585 // Fall back to default value of idx=1 if prefix is not 13586 // part of oldCodePath 13587 if (oldCodePath != null) { 13588 String subStr = oldCodePath; 13589 // Drop the suffix right away 13590 if (suffix != null && subStr.endsWith(suffix)) { 13591 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13592 } 13593 // If oldCodePath already contains prefix find out the 13594 // ending index to either increment or decrement. 13595 int sidx = subStr.lastIndexOf(prefix); 13596 if (sidx != -1) { 13597 subStr = subStr.substring(sidx + prefix.length()); 13598 if (subStr != null) { 13599 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13600 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13601 } 13602 try { 13603 idx = Integer.parseInt(subStr); 13604 if (idx <= 1) { 13605 idx++; 13606 } else { 13607 idx--; 13608 } 13609 } catch(NumberFormatException e) { 13610 } 13611 } 13612 } 13613 } 13614 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13615 return prefix + idxStr; 13616 } 13617 13618 private File getNextCodePath(File targetDir, String packageName) { 13619 int suffix = 1; 13620 File result; 13621 do { 13622 result = new File(targetDir, packageName + "-" + suffix); 13623 suffix++; 13624 } while (result.exists()); 13625 return result; 13626 } 13627 13628 // Utility method that returns the relative package path with respect 13629 // to the installation directory. Like say for /data/data/com.test-1.apk 13630 // string com.test-1 is returned. 13631 static String deriveCodePathName(String codePath) { 13632 if (codePath == null) { 13633 return null; 13634 } 13635 final File codeFile = new File(codePath); 13636 final String name = codeFile.getName(); 13637 if (codeFile.isDirectory()) { 13638 return name; 13639 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13640 final int lastDot = name.lastIndexOf('.'); 13641 return name.substring(0, lastDot); 13642 } else { 13643 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13644 return null; 13645 } 13646 } 13647 13648 static class PackageInstalledInfo { 13649 String name; 13650 int uid; 13651 // The set of users that originally had this package installed. 13652 int[] origUsers; 13653 // The set of users that now have this package installed. 13654 int[] newUsers; 13655 PackageParser.Package pkg; 13656 int returnCode; 13657 String returnMsg; 13658 PackageRemovedInfo removedInfo; 13659 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13660 13661 public void setError(int code, String msg) { 13662 setReturnCode(code); 13663 setReturnMessage(msg); 13664 Slog.w(TAG, msg); 13665 } 13666 13667 public void setError(String msg, PackageParserException e) { 13668 setReturnCode(e.error); 13669 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13670 Slog.w(TAG, msg, e); 13671 } 13672 13673 public void setError(String msg, PackageManagerException e) { 13674 returnCode = e.error; 13675 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13676 Slog.w(TAG, msg, e); 13677 } 13678 13679 public void setReturnCode(int returnCode) { 13680 this.returnCode = returnCode; 13681 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13682 for (int i = 0; i < childCount; i++) { 13683 addedChildPackages.valueAt(i).returnCode = returnCode; 13684 } 13685 } 13686 13687 private void setReturnMessage(String returnMsg) { 13688 this.returnMsg = returnMsg; 13689 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13690 for (int i = 0; i < childCount; i++) { 13691 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13692 } 13693 } 13694 13695 // In some error cases we want to convey more info back to the observer 13696 String origPackage; 13697 String origPermission; 13698 } 13699 13700 /* 13701 * Install a non-existing package. 13702 */ 13703 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 13704 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 13705 PackageInstalledInfo res) { 13706 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13707 13708 // Remember this for later, in case we need to rollback this install 13709 String pkgName = pkg.packageName; 13710 13711 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13712 13713 synchronized(mPackages) { 13714 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13715 // A package with the same name is already installed, though 13716 // it has been renamed to an older name. The package we 13717 // are trying to install should be installed as an update to 13718 // the existing one, but that has not been requested, so bail. 13719 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13720 + " without first uninstalling package running as " 13721 + mSettings.mRenamedPackages.get(pkgName)); 13722 return; 13723 } 13724 if (mPackages.containsKey(pkgName)) { 13725 // Don't allow installation over an existing package with the same name. 13726 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13727 + " without first uninstalling."); 13728 return; 13729 } 13730 } 13731 13732 try { 13733 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 13734 System.currentTimeMillis(), user); 13735 13736 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13737 13738 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13739 prepareAppDataAfterInstallLIF(newPackage); 13740 13741 } else { 13742 // Remove package from internal structures, but keep around any 13743 // data that might have already existed 13744 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 13745 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13746 } 13747 } catch (PackageManagerException e) { 13748 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13749 } 13750 13751 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13752 } 13753 13754 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13755 // Can't rotate keys during boot or if sharedUser. 13756 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13757 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13758 return false; 13759 } 13760 // app is using upgradeKeySets; make sure all are valid 13761 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13762 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13763 for (int i = 0; i < upgradeKeySets.length; i++) { 13764 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13765 Slog.wtf(TAG, "Package " 13766 + (oldPs.name != null ? oldPs.name : "<null>") 13767 + " contains upgrade-key-set reference to unknown key-set: " 13768 + upgradeKeySets[i] 13769 + " reverting to signatures check."); 13770 return false; 13771 } 13772 } 13773 return true; 13774 } 13775 13776 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13777 // Upgrade keysets are being used. Determine if new package has a superset of the 13778 // required keys. 13779 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13780 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13781 for (int i = 0; i < upgradeKeySets.length; i++) { 13782 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13783 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13784 return true; 13785 } 13786 } 13787 return false; 13788 } 13789 13790 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 13791 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13792 final boolean isEphemeral = (policyFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13793 13794 final PackageParser.Package oldPackage; 13795 final String pkgName = pkg.packageName; 13796 final int[] allUsers; 13797 final int[] installedUsers; 13798 13799 synchronized(mPackages) { 13800 oldPackage = mPackages.get(pkgName); 13801 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13802 13803 // don't allow upgrade to target a release SDK from a pre-release SDK 13804 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 13805 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13806 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 13807 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 13808 if (oldTargetsPreRelease 13809 && !newTargetsPreRelease 13810 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 13811 Slog.w(TAG, "Can't install package targeting released sdk"); 13812 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 13813 return; 13814 } 13815 13816 // don't allow an upgrade from full to ephemeral 13817 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13818 if (isEphemeral && !oldIsEphemeral) { 13819 // can't downgrade from full to ephemeral 13820 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13821 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13822 return; 13823 } 13824 13825 // verify signatures are valid 13826 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13827 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13828 if (!checkUpgradeKeySetLP(ps, pkg)) { 13829 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13830 "New package not signed by keys specified by upgrade-keysets: " 13831 + pkgName); 13832 return; 13833 } 13834 } else { 13835 // default to original signature matching 13836 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13837 != PackageManager.SIGNATURE_MATCH) { 13838 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13839 "New package has a different signature: " + pkgName); 13840 return; 13841 } 13842 } 13843 13844 // Check for shared user id changes 13845 String invalidPackageName = 13846 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 13847 if (invalidPackageName != null) { 13848 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13849 "Package " + invalidPackageName + " tried to change user " 13850 + oldPackage.mSharedUserId); 13851 return; 13852 } 13853 13854 // In case of rollback, remember per-user/profile install state 13855 allUsers = sUserManager.getUserIds(); 13856 installedUsers = ps.queryInstalledUsers(allUsers, true); 13857 } 13858 13859 // Update what is removed 13860 res.removedInfo = new PackageRemovedInfo(); 13861 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13862 res.removedInfo.removedPackage = oldPackage.packageName; 13863 res.removedInfo.isUpdate = true; 13864 res.removedInfo.origUsers = installedUsers; 13865 final int childCount = (oldPackage.childPackages != null) 13866 ? oldPackage.childPackages.size() : 0; 13867 for (int i = 0; i < childCount; i++) { 13868 boolean childPackageUpdated = false; 13869 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13870 if (res.addedChildPackages != null) { 13871 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13872 if (childRes != null) { 13873 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13874 childRes.removedInfo.removedPackage = childPkg.packageName; 13875 childRes.removedInfo.isUpdate = true; 13876 childPackageUpdated = true; 13877 } 13878 } 13879 if (!childPackageUpdated) { 13880 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13881 childRemovedRes.removedPackage = childPkg.packageName; 13882 childRemovedRes.isUpdate = false; 13883 childRemovedRes.dataRemoved = true; 13884 synchronized (mPackages) { 13885 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13886 if (childPs != null) { 13887 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13888 } 13889 } 13890 if (res.removedInfo.removedChildPackages == null) { 13891 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13892 } 13893 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13894 } 13895 } 13896 13897 boolean sysPkg = (isSystemApp(oldPackage)); 13898 if (sysPkg) { 13899 // Set the system/privileged flags as needed 13900 final boolean privileged = 13901 (oldPackage.applicationInfo.privateFlags 13902 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13903 final int systemPolicyFlags = policyFlags 13904 | PackageParser.PARSE_IS_SYSTEM 13905 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 13906 13907 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 13908 user, allUsers, installerPackageName, res); 13909 } else { 13910 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 13911 user, allUsers, installerPackageName, res); 13912 } 13913 } 13914 13915 public List<String> getPreviousCodePaths(String packageName) { 13916 final PackageSetting ps = mSettings.mPackages.get(packageName); 13917 final List<String> result = new ArrayList<String>(); 13918 if (ps != null && ps.oldCodePaths != null) { 13919 result.addAll(ps.oldCodePaths); 13920 } 13921 return result; 13922 } 13923 13924 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 13925 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 13926 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13927 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13928 + deletedPackage); 13929 13930 String pkgName = deletedPackage.packageName; 13931 boolean deletedPkg = true; 13932 boolean addedPkg = false; 13933 boolean updatedSettings = false; 13934 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13935 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13936 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13937 13938 final long origUpdateTime = (pkg.mExtras != null) 13939 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13940 13941 // First delete the existing package while retaining the data directory 13942 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 13943 res.removedInfo, true, pkg)) { 13944 // If the existing package wasn't successfully deleted 13945 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13946 deletedPkg = false; 13947 } else { 13948 // Successfully deleted the old package; proceed with replace. 13949 13950 // If deleted package lived in a container, give users a chance to 13951 // relinquish resources before killing. 13952 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13953 if (DEBUG_INSTALL) { 13954 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13955 } 13956 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13957 final ArrayList<String> pkgList = new ArrayList<String>(1); 13958 pkgList.add(deletedPackage.applicationInfo.packageName); 13959 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13960 } 13961 13962 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 13963 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 13964 clearAppProfilesLIF(pkg); 13965 13966 try { 13967 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 13968 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13969 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13970 13971 // Update the in-memory copy of the previous code paths. 13972 PackageSetting ps = mSettings.mPackages.get(pkgName); 13973 if (!killApp) { 13974 if (ps.oldCodePaths == null) { 13975 ps.oldCodePaths = new ArraySet<>(); 13976 } 13977 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13978 if (deletedPackage.splitCodePaths != null) { 13979 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13980 } 13981 } else { 13982 ps.oldCodePaths = null; 13983 } 13984 if (ps.childPackageNames != null) { 13985 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13986 final String childPkgName = ps.childPackageNames.get(i); 13987 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13988 childPs.oldCodePaths = ps.oldCodePaths; 13989 } 13990 } 13991 prepareAppDataAfterInstallLIF(newPackage); 13992 addedPkg = true; 13993 } catch (PackageManagerException e) { 13994 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13995 } 13996 } 13997 13998 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13999 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 14000 14001 // Revert all internal state mutations and added folders for the failed install 14002 if (addedPkg) { 14003 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 14004 res.removedInfo, true, null); 14005 } 14006 14007 // Restore the old package 14008 if (deletedPkg) { 14009 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 14010 File restoreFile = new File(deletedPackage.codePath); 14011 // Parse old package 14012 boolean oldExternal = isExternal(deletedPackage); 14013 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 14014 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 14015 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 14016 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 14017 try { 14018 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 14019 null); 14020 } catch (PackageManagerException e) { 14021 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 14022 + e.getMessage()); 14023 return; 14024 } 14025 14026 synchronized (mPackages) { 14027 // Ensure the installer package name up to date 14028 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14029 14030 // Update permissions for restored package 14031 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14032 14033 mSettings.writeLPr(); 14034 } 14035 14036 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 14037 } 14038 } else { 14039 synchronized (mPackages) { 14040 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 14041 if (ps != null) { 14042 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14043 if (res.removedInfo.removedChildPackages != null) { 14044 final int childCount = res.removedInfo.removedChildPackages.size(); 14045 // Iterate in reverse as we may modify the collection 14046 for (int i = childCount - 1; i >= 0; i--) { 14047 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 14048 if (res.addedChildPackages.containsKey(childPackageName)) { 14049 res.removedInfo.removedChildPackages.removeAt(i); 14050 } else { 14051 PackageRemovedInfo childInfo = res.removedInfo 14052 .removedChildPackages.valueAt(i); 14053 childInfo.removedForAllUsers = mPackages.get( 14054 childInfo.removedPackage) == null; 14055 } 14056 } 14057 } 14058 } 14059 } 14060 } 14061 } 14062 14063 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 14064 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 14065 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 14066 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 14067 + ", old=" + deletedPackage); 14068 14069 final boolean disabledSystem; 14070 14071 // Remove existing system package 14072 removePackageLI(deletedPackage, true); 14073 14074 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 14075 if (!disabledSystem) { 14076 // We didn't need to disable the .apk as a current system package, 14077 // which means we are replacing another update that is already 14078 // installed. We need to make sure to delete the older one's .apk. 14079 res.removedInfo.args = createInstallArgsForExisting(0, 14080 deletedPackage.applicationInfo.getCodePath(), 14081 deletedPackage.applicationInfo.getResourcePath(), 14082 getAppDexInstructionSets(deletedPackage.applicationInfo)); 14083 } else { 14084 res.removedInfo.args = null; 14085 } 14086 14087 // Successfully disabled the old package. Now proceed with re-installation 14088 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 14089 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 14090 clearAppProfilesLIF(pkg); 14091 14092 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14093 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 14094 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 14095 14096 PackageParser.Package newPackage = null; 14097 try { 14098 // Add the package to the internal data structures 14099 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 14100 14101 // Set the update and install times 14102 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 14103 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 14104 System.currentTimeMillis()); 14105 14106 // Update the package dynamic state if succeeded 14107 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14108 // Now that the install succeeded make sure we remove data 14109 // directories for any child package the update removed. 14110 final int deletedChildCount = (deletedPackage.childPackages != null) 14111 ? deletedPackage.childPackages.size() : 0; 14112 final int newChildCount = (newPackage.childPackages != null) 14113 ? newPackage.childPackages.size() : 0; 14114 for (int i = 0; i < deletedChildCount; i++) { 14115 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 14116 boolean childPackageDeleted = true; 14117 for (int j = 0; j < newChildCount; j++) { 14118 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 14119 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 14120 childPackageDeleted = false; 14121 break; 14122 } 14123 } 14124 if (childPackageDeleted) { 14125 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 14126 deletedChildPkg.packageName); 14127 if (ps != null && res.removedInfo.removedChildPackages != null) { 14128 PackageRemovedInfo removedChildRes = res.removedInfo 14129 .removedChildPackages.get(deletedChildPkg.packageName); 14130 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 14131 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 14132 } 14133 } 14134 } 14135 14136 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 14137 prepareAppDataAfterInstallLIF(newPackage); 14138 } 14139 } catch (PackageManagerException e) { 14140 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 14141 res.setError("Package couldn't be installed in " + pkg.codePath, e); 14142 } 14143 14144 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14145 // Re installation failed. Restore old information 14146 // Remove new pkg information 14147 if (newPackage != null) { 14148 removeInstalledPackageLI(newPackage, true); 14149 } 14150 // Add back the old system package 14151 try { 14152 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 14153 } catch (PackageManagerException e) { 14154 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 14155 } 14156 14157 synchronized (mPackages) { 14158 if (disabledSystem) { 14159 enableSystemPackageLPw(deletedPackage); 14160 } 14161 14162 // Ensure the installer package name up to date 14163 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 14164 14165 // Update permissions for restored package 14166 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 14167 14168 mSettings.writeLPr(); 14169 } 14170 14171 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 14172 + " after failed upgrade"); 14173 } 14174 } 14175 14176 /** 14177 * Checks whether the parent or any of the child packages have a change shared 14178 * user. For a package to be a valid update the shred users of the parent and 14179 * the children should match. We may later support changing child shared users. 14180 * @param oldPkg The updated package. 14181 * @param newPkg The update package. 14182 * @return The shared user that change between the versions. 14183 */ 14184 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 14185 PackageParser.Package newPkg) { 14186 // Check parent shared user 14187 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 14188 return newPkg.packageName; 14189 } 14190 // Check child shared users 14191 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14192 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 14193 for (int i = 0; i < newChildCount; i++) { 14194 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 14195 // If this child was present, did it have the same shared user? 14196 for (int j = 0; j < oldChildCount; j++) { 14197 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 14198 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 14199 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 14200 return newChildPkg.packageName; 14201 } 14202 } 14203 } 14204 return null; 14205 } 14206 14207 private void removeNativeBinariesLI(PackageSetting ps) { 14208 // Remove the lib path for the parent package 14209 if (ps != null) { 14210 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 14211 // Remove the lib path for the child packages 14212 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14213 for (int i = 0; i < childCount; i++) { 14214 PackageSetting childPs = null; 14215 synchronized (mPackages) { 14216 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14217 } 14218 if (childPs != null) { 14219 NativeLibraryHelper.removeNativeBinariesLI(childPs 14220 .legacyNativeLibraryPathString); 14221 } 14222 } 14223 } 14224 } 14225 14226 private void enableSystemPackageLPw(PackageParser.Package pkg) { 14227 // Enable the parent package 14228 mSettings.enableSystemPackageLPw(pkg.packageName); 14229 // Enable the child packages 14230 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14231 for (int i = 0; i < childCount; i++) { 14232 PackageParser.Package childPkg = pkg.childPackages.get(i); 14233 mSettings.enableSystemPackageLPw(childPkg.packageName); 14234 } 14235 } 14236 14237 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 14238 PackageParser.Package newPkg) { 14239 // Disable the parent package (parent always replaced) 14240 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 14241 // Disable the child packages 14242 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 14243 for (int i = 0; i < childCount; i++) { 14244 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 14245 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 14246 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 14247 } 14248 return disabled; 14249 } 14250 14251 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14252 String installerPackageName) { 14253 // Enable the parent package 14254 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14255 // Enable the child packages 14256 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14257 for (int i = 0; i < childCount; i++) { 14258 PackageParser.Package childPkg = pkg.childPackages.get(i); 14259 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14260 } 14261 } 14262 14263 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14264 // Collect all used permissions in the UID 14265 ArraySet<String> usedPermissions = new ArraySet<>(); 14266 final int packageCount = su.packages.size(); 14267 for (int i = 0; i < packageCount; i++) { 14268 PackageSetting ps = su.packages.valueAt(i); 14269 if (ps.pkg == null) { 14270 continue; 14271 } 14272 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14273 for (int j = 0; j < requestedPermCount; j++) { 14274 String permission = ps.pkg.requestedPermissions.get(j); 14275 BasePermission bp = mSettings.mPermissions.get(permission); 14276 if (bp != null) { 14277 usedPermissions.add(permission); 14278 } 14279 } 14280 } 14281 14282 PermissionsState permissionsState = su.getPermissionsState(); 14283 // Prune install permissions 14284 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14285 final int installPermCount = installPermStates.size(); 14286 for (int i = installPermCount - 1; i >= 0; i--) { 14287 PermissionState permissionState = installPermStates.get(i); 14288 if (!usedPermissions.contains(permissionState.getName())) { 14289 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14290 if (bp != null) { 14291 permissionsState.revokeInstallPermission(bp); 14292 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14293 PackageManager.MASK_PERMISSION_FLAGS, 0); 14294 } 14295 } 14296 } 14297 14298 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14299 14300 // Prune runtime permissions 14301 for (int userId : allUserIds) { 14302 List<PermissionState> runtimePermStates = permissionsState 14303 .getRuntimePermissionStates(userId); 14304 final int runtimePermCount = runtimePermStates.size(); 14305 for (int i = runtimePermCount - 1; i >= 0; i--) { 14306 PermissionState permissionState = runtimePermStates.get(i); 14307 if (!usedPermissions.contains(permissionState.getName())) { 14308 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14309 if (bp != null) { 14310 permissionsState.revokeRuntimePermission(bp, userId); 14311 permissionsState.updatePermissionFlags(bp, userId, 14312 PackageManager.MASK_PERMISSION_FLAGS, 0); 14313 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14314 runtimePermissionChangedUserIds, userId); 14315 } 14316 } 14317 } 14318 } 14319 14320 return runtimePermissionChangedUserIds; 14321 } 14322 14323 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14324 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14325 // Update the parent package setting 14326 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14327 res, user); 14328 // Update the child packages setting 14329 final int childCount = (newPackage.childPackages != null) 14330 ? newPackage.childPackages.size() : 0; 14331 for (int i = 0; i < childCount; i++) { 14332 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14333 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14334 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14335 childRes.origUsers, childRes, user); 14336 } 14337 } 14338 14339 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14340 String installerPackageName, int[] allUsers, int[] installedForUsers, 14341 PackageInstalledInfo res, UserHandle user) { 14342 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14343 14344 String pkgName = newPackage.packageName; 14345 synchronized (mPackages) { 14346 //write settings. the installStatus will be incomplete at this stage. 14347 //note that the new package setting would have already been 14348 //added to mPackages. It hasn't been persisted yet. 14349 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14350 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14351 mSettings.writeLPr(); 14352 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14353 } 14354 14355 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14356 synchronized (mPackages) { 14357 updatePermissionsLPw(newPackage.packageName, newPackage, 14358 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14359 ? UPDATE_PERMISSIONS_ALL : 0)); 14360 // For system-bundled packages, we assume that installing an upgraded version 14361 // of the package implies that the user actually wants to run that new code, 14362 // so we enable the package. 14363 PackageSetting ps = mSettings.mPackages.get(pkgName); 14364 final int userId = user.getIdentifier(); 14365 if (ps != null) { 14366 if (isSystemApp(newPackage)) { 14367 if (DEBUG_INSTALL) { 14368 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14369 } 14370 // Enable system package for requested users 14371 if (res.origUsers != null) { 14372 for (int origUserId : res.origUsers) { 14373 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14374 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14375 origUserId, installerPackageName); 14376 } 14377 } 14378 } 14379 // Also convey the prior install/uninstall state 14380 if (allUsers != null && installedForUsers != null) { 14381 for (int currentUserId : allUsers) { 14382 final boolean installed = ArrayUtils.contains( 14383 installedForUsers, currentUserId); 14384 if (DEBUG_INSTALL) { 14385 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14386 } 14387 ps.setInstalled(installed, currentUserId); 14388 } 14389 // these install state changes will be persisted in the 14390 // upcoming call to mSettings.writeLPr(). 14391 } 14392 } 14393 // It's implied that when a user requests installation, they want the app to be 14394 // installed and enabled. 14395 if (userId != UserHandle.USER_ALL) { 14396 ps.setInstalled(true, userId); 14397 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14398 } 14399 } 14400 res.name = pkgName; 14401 res.uid = newPackage.applicationInfo.uid; 14402 res.pkg = newPackage; 14403 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14404 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14405 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14406 //to update install status 14407 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14408 mSettings.writeLPr(); 14409 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14410 } 14411 14412 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14413 } 14414 14415 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14416 try { 14417 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14418 installPackageLI(args, res); 14419 } finally { 14420 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14421 } 14422 } 14423 14424 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14425 final int installFlags = args.installFlags; 14426 final String installerPackageName = args.installerPackageName; 14427 final String volumeUuid = args.volumeUuid; 14428 final File tmpPackageFile = new File(args.getCodePath()); 14429 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14430 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14431 || (args.volumeUuid != null)); 14432 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14433 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 14434 boolean replace = false; 14435 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14436 if (args.move != null) { 14437 // moving a complete application; perform an initial scan on the new install location 14438 scanFlags |= SCAN_INITIAL; 14439 } 14440 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14441 scanFlags |= SCAN_DONT_KILL_APP; 14442 } 14443 14444 // Result object to be returned 14445 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14446 14447 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14448 14449 // Sanity check 14450 if (ephemeral && (forwardLocked || onExternal)) { 14451 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14452 + " external=" + onExternal); 14453 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14454 return; 14455 } 14456 14457 // Retrieve PackageSettings and parse package 14458 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14459 | PackageParser.PARSE_ENFORCE_CODE 14460 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14461 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14462 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0) 14463 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 14464 PackageParser pp = new PackageParser(); 14465 pp.setSeparateProcesses(mSeparateProcesses); 14466 pp.setDisplayMetrics(mMetrics); 14467 14468 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14469 final PackageParser.Package pkg; 14470 try { 14471 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14472 } catch (PackageParserException e) { 14473 res.setError("Failed parse during installPackageLI", e); 14474 return; 14475 } finally { 14476 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14477 } 14478 14479 // If we are installing a clustered package add results for the children 14480 if (pkg.childPackages != null) { 14481 synchronized (mPackages) { 14482 final int childCount = pkg.childPackages.size(); 14483 for (int i = 0; i < childCount; i++) { 14484 PackageParser.Package childPkg = pkg.childPackages.get(i); 14485 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14486 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14487 childRes.pkg = childPkg; 14488 childRes.name = childPkg.packageName; 14489 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14490 if (childPs != null) { 14491 childRes.origUsers = childPs.queryInstalledUsers( 14492 sUserManager.getUserIds(), true); 14493 } 14494 if ((mPackages.containsKey(childPkg.packageName))) { 14495 childRes.removedInfo = new PackageRemovedInfo(); 14496 childRes.removedInfo.removedPackage = childPkg.packageName; 14497 } 14498 if (res.addedChildPackages == null) { 14499 res.addedChildPackages = new ArrayMap<>(); 14500 } 14501 res.addedChildPackages.put(childPkg.packageName, childRes); 14502 } 14503 } 14504 } 14505 14506 // If package doesn't declare API override, mark that we have an install 14507 // time CPU ABI override. 14508 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14509 pkg.cpuAbiOverride = args.abiOverride; 14510 } 14511 14512 String pkgName = res.name = pkg.packageName; 14513 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14514 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14515 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14516 return; 14517 } 14518 } 14519 14520 try { 14521 // either use what we've been given or parse directly from the APK 14522 if (args.certificates != null) { 14523 try { 14524 PackageParser.populateCertificates(pkg, args.certificates); 14525 } catch (PackageParserException e) { 14526 // there was something wrong with the certificates we were given; 14527 // try to pull them from the APK 14528 PackageParser.collectCertificates(pkg, parseFlags); 14529 } 14530 } else { 14531 PackageParser.collectCertificates(pkg, parseFlags); 14532 } 14533 } catch (PackageParserException e) { 14534 res.setError("Failed collect during installPackageLI", e); 14535 return; 14536 } 14537 14538 // Get rid of all references to package scan path via parser. 14539 pp = null; 14540 String oldCodePath = null; 14541 boolean systemApp = false; 14542 synchronized (mPackages) { 14543 // Check if installing already existing package 14544 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14545 String oldName = mSettings.mRenamedPackages.get(pkgName); 14546 if (pkg.mOriginalPackages != null 14547 && pkg.mOriginalPackages.contains(oldName) 14548 && mPackages.containsKey(oldName)) { 14549 // This package is derived from an original package, 14550 // and this device has been updating from that original 14551 // name. We must continue using the original name, so 14552 // rename the new package here. 14553 pkg.setPackageName(oldName); 14554 pkgName = pkg.packageName; 14555 replace = true; 14556 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14557 + oldName + " pkgName=" + pkgName); 14558 } else if (mPackages.containsKey(pkgName)) { 14559 // This package, under its official name, already exists 14560 // on the device; we should replace it. 14561 replace = true; 14562 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14563 } 14564 14565 // Child packages are installed through the parent package 14566 if (pkg.parentPackage != null) { 14567 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14568 "Package " + pkg.packageName + " is child of package " 14569 + pkg.parentPackage.parentPackage + ". Child packages " 14570 + "can be updated only through the parent package."); 14571 return; 14572 } 14573 14574 if (replace) { 14575 // Prevent apps opting out from runtime permissions 14576 PackageParser.Package oldPackage = mPackages.get(pkgName); 14577 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14578 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14579 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14580 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14581 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14582 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14583 + " doesn't support runtime permissions but the old" 14584 + " target SDK " + oldTargetSdk + " does."); 14585 return; 14586 } 14587 14588 // Prevent installing of child packages 14589 if (oldPackage.parentPackage != null) { 14590 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14591 "Package " + pkg.packageName + " is child of package " 14592 + oldPackage.parentPackage + ". Child packages " 14593 + "can be updated only through the parent package."); 14594 return; 14595 } 14596 } 14597 } 14598 14599 PackageSetting ps = mSettings.mPackages.get(pkgName); 14600 if (ps != null) { 14601 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14602 14603 // Quick sanity check that we're signed correctly if updating; 14604 // we'll check this again later when scanning, but we want to 14605 // bail early here before tripping over redefined permissions. 14606 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14607 if (!checkUpgradeKeySetLP(ps, pkg)) { 14608 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14609 + pkg.packageName + " upgrade keys do not match the " 14610 + "previously installed version"); 14611 return; 14612 } 14613 } else { 14614 try { 14615 verifySignaturesLP(ps, pkg); 14616 } catch (PackageManagerException e) { 14617 res.setError(e.error, e.getMessage()); 14618 return; 14619 } 14620 } 14621 14622 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14623 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14624 systemApp = (ps.pkg.applicationInfo.flags & 14625 ApplicationInfo.FLAG_SYSTEM) != 0; 14626 } 14627 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14628 } 14629 14630 // Check whether the newly-scanned package wants to define an already-defined perm 14631 int N = pkg.permissions.size(); 14632 for (int i = N-1; i >= 0; i--) { 14633 PackageParser.Permission perm = pkg.permissions.get(i); 14634 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14635 if (bp != null) { 14636 // If the defining package is signed with our cert, it's okay. This 14637 // also includes the "updating the same package" case, of course. 14638 // "updating same package" could also involve key-rotation. 14639 final boolean sigsOk; 14640 if (bp.sourcePackage.equals(pkg.packageName) 14641 && (bp.packageSetting instanceof PackageSetting) 14642 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14643 scanFlags))) { 14644 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14645 } else { 14646 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14647 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14648 } 14649 if (!sigsOk) { 14650 // If the owning package is the system itself, we log but allow 14651 // install to proceed; we fail the install on all other permission 14652 // redefinitions. 14653 if (!bp.sourcePackage.equals("android")) { 14654 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14655 + pkg.packageName + " attempting to redeclare permission " 14656 + perm.info.name + " already owned by " + bp.sourcePackage); 14657 res.origPermission = perm.info.name; 14658 res.origPackage = bp.sourcePackage; 14659 return; 14660 } else { 14661 Slog.w(TAG, "Package " + pkg.packageName 14662 + " attempting to redeclare system permission " 14663 + perm.info.name + "; ignoring new declaration"); 14664 pkg.permissions.remove(i); 14665 } 14666 } 14667 } 14668 } 14669 } 14670 14671 if (systemApp) { 14672 if (onExternal) { 14673 // Abort update; system app can't be replaced with app on sdcard 14674 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14675 "Cannot install updates to system apps on sdcard"); 14676 return; 14677 } else if (ephemeral) { 14678 // Abort update; system app can't be replaced with an ephemeral app 14679 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14680 "Cannot update a system app with an ephemeral app"); 14681 return; 14682 } 14683 } 14684 14685 if (args.move != null) { 14686 // We did an in-place move, so dex is ready to roll 14687 scanFlags |= SCAN_NO_DEX; 14688 scanFlags |= SCAN_MOVE; 14689 14690 synchronized (mPackages) { 14691 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14692 if (ps == null) { 14693 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14694 "Missing settings for moved package " + pkgName); 14695 } 14696 14697 // We moved the entire application as-is, so bring over the 14698 // previously derived ABI information. 14699 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14700 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14701 } 14702 14703 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14704 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14705 scanFlags |= SCAN_NO_DEX; 14706 14707 try { 14708 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14709 args.abiOverride : pkg.cpuAbiOverride); 14710 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14711 true /* extract libs */); 14712 } catch (PackageManagerException pme) { 14713 Slog.e(TAG, "Error deriving application ABI", pme); 14714 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14715 return; 14716 } 14717 14718 // Shared libraries for the package need to be updated. 14719 synchronized (mPackages) { 14720 try { 14721 updateSharedLibrariesLPw(pkg, null); 14722 } catch (PackageManagerException e) { 14723 Slog.e(TAG, "updateSharedLibrariesLPw failed: " + e.getMessage()); 14724 } 14725 } 14726 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14727 // Do not run PackageDexOptimizer through the local performDexOpt 14728 // method because `pkg` is not in `mPackages` yet. 14729 int result = mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 14730 null /* instructionSets */, false /* checkProfiles */, 14731 getCompilerFilterForReason(REASON_INSTALL)); 14732 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14733 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14734 String msg = "Extracting package failed for " + pkgName; 14735 res.setError(INSTALL_FAILED_DEXOPT, msg); 14736 return; 14737 } 14738 14739 // Notify BackgroundDexOptService that the package has been changed. 14740 // If this is an update of a package which used to fail to compile, 14741 // BDOS will remove it from its blacklist. 14742 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 14743 } 14744 14745 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14746 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14747 return; 14748 } 14749 14750 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14751 14752 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 14753 "installPackageLI")) { 14754 if (replace) { 14755 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14756 installerPackageName, res); 14757 } else { 14758 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14759 args.user, installerPackageName, volumeUuid, res); 14760 } 14761 } 14762 synchronized (mPackages) { 14763 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14764 if (ps != null) { 14765 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14766 } 14767 14768 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14769 for (int i = 0; i < childCount; i++) { 14770 PackageParser.Package childPkg = pkg.childPackages.get(i); 14771 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14772 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14773 if (childPs != null) { 14774 childRes.newUsers = childPs.queryInstalledUsers( 14775 sUserManager.getUserIds(), true); 14776 } 14777 } 14778 } 14779 } 14780 14781 private void startIntentFilterVerifications(int userId, boolean replacing, 14782 PackageParser.Package pkg) { 14783 if (mIntentFilterVerifierComponent == null) { 14784 Slog.w(TAG, "No IntentFilter verification will not be done as " 14785 + "there is no IntentFilterVerifier available!"); 14786 return; 14787 } 14788 14789 final int verifierUid = getPackageUid( 14790 mIntentFilterVerifierComponent.getPackageName(), 14791 MATCH_DEBUG_TRIAGED_MISSING, 14792 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14793 14794 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14795 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14796 mHandler.sendMessage(msg); 14797 14798 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14799 for (int i = 0; i < childCount; i++) { 14800 PackageParser.Package childPkg = pkg.childPackages.get(i); 14801 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14802 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14803 mHandler.sendMessage(msg); 14804 } 14805 } 14806 14807 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14808 PackageParser.Package pkg) { 14809 int size = pkg.activities.size(); 14810 if (size == 0) { 14811 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14812 "No activity, so no need to verify any IntentFilter!"); 14813 return; 14814 } 14815 14816 final boolean hasDomainURLs = hasDomainURLs(pkg); 14817 if (!hasDomainURLs) { 14818 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14819 "No domain URLs, so no need to verify any IntentFilter!"); 14820 return; 14821 } 14822 14823 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14824 + " if any IntentFilter from the " + size 14825 + " Activities needs verification ..."); 14826 14827 int count = 0; 14828 final String packageName = pkg.packageName; 14829 14830 synchronized (mPackages) { 14831 // If this is a new install and we see that we've already run verification for this 14832 // package, we have nothing to do: it means the state was restored from backup. 14833 if (!replacing) { 14834 IntentFilterVerificationInfo ivi = 14835 mSettings.getIntentFilterVerificationLPr(packageName); 14836 if (ivi != null) { 14837 if (DEBUG_DOMAIN_VERIFICATION) { 14838 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14839 + ivi.getStatusString()); 14840 } 14841 return; 14842 } 14843 } 14844 14845 // If any filters need to be verified, then all need to be. 14846 boolean needToVerify = false; 14847 for (PackageParser.Activity a : pkg.activities) { 14848 for (ActivityIntentInfo filter : a.intents) { 14849 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14850 if (DEBUG_DOMAIN_VERIFICATION) { 14851 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14852 } 14853 needToVerify = true; 14854 break; 14855 } 14856 } 14857 } 14858 14859 if (needToVerify) { 14860 final int verificationId = mIntentFilterVerificationToken++; 14861 for (PackageParser.Activity a : pkg.activities) { 14862 for (ActivityIntentInfo filter : a.intents) { 14863 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14864 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14865 "Verification needed for IntentFilter:" + filter.toString()); 14866 mIntentFilterVerifier.addOneIntentFilterVerification( 14867 verifierUid, userId, verificationId, filter, packageName); 14868 count++; 14869 } 14870 } 14871 } 14872 } 14873 } 14874 14875 if (count > 0) { 14876 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14877 + " IntentFilter verification" + (count > 1 ? "s" : "") 14878 + " for userId:" + userId); 14879 mIntentFilterVerifier.startVerifications(userId); 14880 } else { 14881 if (DEBUG_DOMAIN_VERIFICATION) { 14882 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14883 } 14884 } 14885 } 14886 14887 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14888 final ComponentName cn = filter.activity.getComponentName(); 14889 final String packageName = cn.getPackageName(); 14890 14891 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14892 packageName); 14893 if (ivi == null) { 14894 return true; 14895 } 14896 int status = ivi.getStatus(); 14897 switch (status) { 14898 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14899 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14900 return true; 14901 14902 default: 14903 // Nothing to do 14904 return false; 14905 } 14906 } 14907 14908 private static boolean isMultiArch(ApplicationInfo info) { 14909 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14910 } 14911 14912 private static boolean isExternal(PackageParser.Package pkg) { 14913 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14914 } 14915 14916 private static boolean isExternal(PackageSetting ps) { 14917 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14918 } 14919 14920 private static boolean isEphemeral(PackageParser.Package pkg) { 14921 return pkg.applicationInfo.isEphemeralApp(); 14922 } 14923 14924 private static boolean isEphemeral(PackageSetting ps) { 14925 return ps.pkg != null && isEphemeral(ps.pkg); 14926 } 14927 14928 private static boolean isSystemApp(PackageParser.Package pkg) { 14929 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14930 } 14931 14932 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14933 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14934 } 14935 14936 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14937 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14938 } 14939 14940 private static boolean isSystemApp(PackageSetting ps) { 14941 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14942 } 14943 14944 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14945 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14946 } 14947 14948 private int packageFlagsToInstallFlags(PackageSetting ps) { 14949 int installFlags = 0; 14950 if (isEphemeral(ps)) { 14951 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14952 } 14953 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14954 // This existing package was an external ASEC install when we have 14955 // the external flag without a UUID 14956 installFlags |= PackageManager.INSTALL_EXTERNAL; 14957 } 14958 if (ps.isForwardLocked()) { 14959 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14960 } 14961 return installFlags; 14962 } 14963 14964 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14965 if (isExternal(pkg)) { 14966 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14967 return StorageManager.UUID_PRIMARY_PHYSICAL; 14968 } else { 14969 return pkg.volumeUuid; 14970 } 14971 } else { 14972 return StorageManager.UUID_PRIVATE_INTERNAL; 14973 } 14974 } 14975 14976 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14977 if (isExternal(pkg)) { 14978 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14979 return mSettings.getExternalVersion(); 14980 } else { 14981 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14982 } 14983 } else { 14984 return mSettings.getInternalVersion(); 14985 } 14986 } 14987 14988 private void deleteTempPackageFiles() { 14989 final FilenameFilter filter = new FilenameFilter() { 14990 public boolean accept(File dir, String name) { 14991 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14992 } 14993 }; 14994 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14995 file.delete(); 14996 } 14997 } 14998 14999 @Override 15000 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 15001 int flags) { 15002 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 15003 flags); 15004 } 15005 15006 @Override 15007 public void deletePackage(final String packageName, 15008 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 15009 mContext.enforceCallingOrSelfPermission( 15010 android.Manifest.permission.DELETE_PACKAGES, null); 15011 Preconditions.checkNotNull(packageName); 15012 Preconditions.checkNotNull(observer); 15013 final int uid = Binder.getCallingUid(); 15014 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 15015 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 15016 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 15017 mContext.enforceCallingOrSelfPermission( 15018 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 15019 "deletePackage for user " + userId); 15020 } 15021 15022 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 15023 try { 15024 observer.onPackageDeleted(packageName, 15025 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 15026 } catch (RemoteException re) { 15027 } 15028 return; 15029 } 15030 15031 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 15032 try { 15033 observer.onPackageDeleted(packageName, 15034 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 15035 } catch (RemoteException re) { 15036 } 15037 return; 15038 } 15039 15040 if (DEBUG_REMOVE) { 15041 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 15042 + " deleteAllUsers: " + deleteAllUsers ); 15043 } 15044 // Queue up an async operation since the package deletion may take a little while. 15045 mHandler.post(new Runnable() { 15046 public void run() { 15047 mHandler.removeCallbacks(this); 15048 int returnCode; 15049 if (!deleteAllUsers) { 15050 returnCode = deletePackageX(packageName, userId, deleteFlags); 15051 } else { 15052 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 15053 // If nobody is blocking uninstall, proceed with delete for all users 15054 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 15055 returnCode = deletePackageX(packageName, userId, deleteFlags); 15056 } else { 15057 // Otherwise uninstall individually for users with blockUninstalls=false 15058 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 15059 for (int userId : users) { 15060 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 15061 returnCode = deletePackageX(packageName, userId, userFlags); 15062 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 15063 Slog.w(TAG, "Package delete failed for user " + userId 15064 + ", returnCode " + returnCode); 15065 } 15066 } 15067 } 15068 // The app has only been marked uninstalled for certain users. 15069 // We still need to report that delete was blocked 15070 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 15071 } 15072 } 15073 try { 15074 observer.onPackageDeleted(packageName, returnCode, null); 15075 } catch (RemoteException e) { 15076 Log.i(TAG, "Observer no longer exists."); 15077 } //end catch 15078 } //end run 15079 }); 15080 } 15081 15082 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 15083 int[] result = EMPTY_INT_ARRAY; 15084 for (int userId : userIds) { 15085 if (getBlockUninstallForUser(packageName, userId)) { 15086 result = ArrayUtils.appendInt(result, userId); 15087 } 15088 } 15089 return result; 15090 } 15091 15092 @Override 15093 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 15094 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 15095 } 15096 15097 private boolean isPackageDeviceAdmin(String packageName, int userId) { 15098 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 15099 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 15100 try { 15101 if (dpm != null) { 15102 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 15103 /* callingUserOnly =*/ false); 15104 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 15105 : deviceOwnerComponentName.getPackageName(); 15106 // Does the package contains the device owner? 15107 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 15108 // this check is probably not needed, since DO should be registered as a device 15109 // admin on some user too. (Original bug for this: b/17657954) 15110 if (packageName.equals(deviceOwnerPackageName)) { 15111 return true; 15112 } 15113 // Does it contain a device admin for any user? 15114 int[] users; 15115 if (userId == UserHandle.USER_ALL) { 15116 users = sUserManager.getUserIds(); 15117 } else { 15118 users = new int[]{userId}; 15119 } 15120 for (int i = 0; i < users.length; ++i) { 15121 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 15122 return true; 15123 } 15124 } 15125 } 15126 } catch (RemoteException e) { 15127 } 15128 return false; 15129 } 15130 15131 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 15132 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 15133 } 15134 15135 /** 15136 * This method is an internal method that could be get invoked either 15137 * to delete an installed package or to clean up a failed installation. 15138 * After deleting an installed package, a broadcast is sent to notify any 15139 * listeners that the package has been removed. For cleaning up a failed 15140 * installation, the broadcast is not necessary since the package's 15141 * installation wouldn't have sent the initial broadcast either 15142 * The key steps in deleting a package are 15143 * deleting the package information in internal structures like mPackages, 15144 * deleting the packages base directories through installd 15145 * updating mSettings to reflect current status 15146 * persisting settings for later use 15147 * sending a broadcast if necessary 15148 */ 15149 private int deletePackageX(String packageName, int userId, int deleteFlags) { 15150 final PackageRemovedInfo info = new PackageRemovedInfo(); 15151 final boolean res; 15152 15153 final UserHandle removeForUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 15154 ? UserHandle.ALL : new UserHandle(userId); 15155 15156 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 15157 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 15158 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 15159 } 15160 15161 PackageSetting uninstalledPs = null; 15162 15163 // for the uninstall-updates case and restricted profiles, remember the per- 15164 // user handle installed state 15165 int[] allUsers; 15166 synchronized (mPackages) { 15167 uninstalledPs = mSettings.mPackages.get(packageName); 15168 if (uninstalledPs == null) { 15169 Slog.w(TAG, "Not removing non-existent package " + packageName); 15170 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15171 } 15172 allUsers = sUserManager.getUserIds(); 15173 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 15174 } 15175 15176 synchronized (mInstallLock) { 15177 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 15178 try (PackageFreezer freezer = freezePackageForDelete(packageName, deleteFlags, 15179 "deletePackageX")) { 15180 res = deletePackageLIF(packageName, removeForUser, true, allUsers, 15181 deleteFlags | REMOVE_CHATTY, info, true, null); 15182 } 15183 synchronized (mPackages) { 15184 if (res) { 15185 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 15186 } 15187 } 15188 } 15189 15190 if (res) { 15191 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15192 info.sendPackageRemovedBroadcasts(killApp); 15193 info.sendSystemPackageUpdatedBroadcasts(); 15194 info.sendSystemPackageAppearedBroadcasts(); 15195 } 15196 // Force a gc here. 15197 Runtime.getRuntime().gc(); 15198 // Delete the resources here after sending the broadcast to let 15199 // other processes clean up before deleting resources. 15200 if (info.args != null) { 15201 synchronized (mInstallLock) { 15202 info.args.doPostDeleteLI(true); 15203 } 15204 } 15205 15206 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 15207 } 15208 15209 class PackageRemovedInfo { 15210 String removedPackage; 15211 int uid = -1; 15212 int removedAppId = -1; 15213 int[] origUsers; 15214 int[] removedUsers = null; 15215 boolean isRemovedPackageSystemUpdate = false; 15216 boolean isUpdate; 15217 boolean dataRemoved; 15218 boolean removedForAllUsers; 15219 // Clean up resources deleted packages. 15220 InstallArgs args = null; 15221 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 15222 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 15223 15224 void sendPackageRemovedBroadcasts(boolean killApp) { 15225 sendPackageRemovedBroadcastInternal(killApp); 15226 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 15227 for (int i = 0; i < childCount; i++) { 15228 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15229 childInfo.sendPackageRemovedBroadcastInternal(killApp); 15230 } 15231 } 15232 15233 void sendSystemPackageUpdatedBroadcasts() { 15234 if (isRemovedPackageSystemUpdate) { 15235 sendSystemPackageUpdatedBroadcastsInternal(); 15236 final int childCount = (removedChildPackages != null) 15237 ? removedChildPackages.size() : 0; 15238 for (int i = 0; i < childCount; i++) { 15239 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 15240 if (childInfo.isRemovedPackageSystemUpdate) { 15241 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 15242 } 15243 } 15244 } 15245 } 15246 15247 void sendSystemPackageAppearedBroadcasts() { 15248 final int packageCount = (appearedChildPackages != null) 15249 ? appearedChildPackages.size() : 0; 15250 for (int i = 0; i < packageCount; i++) { 15251 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 15252 for (int userId : installedInfo.newUsers) { 15253 sendPackageAddedForUser(installedInfo.name, true, 15254 UserHandle.getAppId(installedInfo.uid), userId); 15255 } 15256 } 15257 } 15258 15259 private void sendSystemPackageUpdatedBroadcastsInternal() { 15260 Bundle extras = new Bundle(2); 15261 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15262 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15263 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 15264 extras, 0, null, null, null); 15265 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 15266 extras, 0, null, null, null); 15267 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 15268 null, 0, removedPackage, null, null); 15269 } 15270 15271 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15272 Bundle extras = new Bundle(2); 15273 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15274 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15275 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15276 if (isUpdate || isRemovedPackageSystemUpdate) { 15277 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15278 } 15279 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15280 if (removedPackage != null) { 15281 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15282 extras, 0, null, null, removedUsers); 15283 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15284 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15285 removedPackage, extras, 0, null, null, removedUsers); 15286 } 15287 } 15288 if (removedAppId >= 0) { 15289 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15290 removedUsers); 15291 } 15292 } 15293 } 15294 15295 /* 15296 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15297 * flag is not set, the data directory is removed as well. 15298 * make sure this flag is set for partially installed apps. If not its meaningless to 15299 * delete a partially installed application. 15300 */ 15301 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 15302 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15303 String packageName = ps.name; 15304 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15305 // Retrieve object to delete permissions for shared user later on 15306 final PackageParser.Package deletedPkg; 15307 final PackageSetting deletedPs; 15308 // reader 15309 synchronized (mPackages) { 15310 deletedPkg = mPackages.get(packageName); 15311 deletedPs = mSettings.mPackages.get(packageName); 15312 if (outInfo != null) { 15313 outInfo.removedPackage = packageName; 15314 outInfo.removedUsers = deletedPs != null 15315 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15316 : null; 15317 } 15318 } 15319 15320 removePackageLI(ps, (flags & REMOVE_CHATTY) != 0); 15321 15322 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 15323 destroyAppDataLIF(deletedPkg, UserHandle.USER_ALL, 15324 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15325 destroyAppProfilesLIF(deletedPkg); 15326 if (outInfo != null) { 15327 outInfo.dataRemoved = true; 15328 } 15329 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15330 } 15331 15332 // writer 15333 synchronized (mPackages) { 15334 if (deletedPs != null) { 15335 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15336 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15337 clearDefaultBrowserIfNeeded(packageName); 15338 if (outInfo != null) { 15339 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15340 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15341 } 15342 updatePermissionsLPw(deletedPs.name, null, 0); 15343 if (deletedPs.sharedUser != null) { 15344 // Remove permissions associated with package. Since runtime 15345 // permissions are per user we have to kill the removed package 15346 // or packages running under the shared user of the removed 15347 // package if revoking the permissions requested only by the removed 15348 // package is successful and this causes a change in gids. 15349 for (int userId : UserManagerService.getInstance().getUserIds()) { 15350 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15351 userId); 15352 if (userIdToKill == UserHandle.USER_ALL 15353 || userIdToKill >= UserHandle.USER_SYSTEM) { 15354 // If gids changed for this user, kill all affected packages. 15355 mHandler.post(new Runnable() { 15356 @Override 15357 public void run() { 15358 // This has to happen with no lock held. 15359 killApplication(deletedPs.name, deletedPs.appId, 15360 KILL_APP_REASON_GIDS_CHANGED); 15361 } 15362 }); 15363 break; 15364 } 15365 } 15366 } 15367 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15368 } 15369 // make sure to preserve per-user disabled state if this removal was just 15370 // a downgrade of a system app to the factory package 15371 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15372 if (DEBUG_REMOVE) { 15373 Slog.d(TAG, "Propagating install state across downgrade"); 15374 } 15375 for (int userId : allUserHandles) { 15376 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15377 if (DEBUG_REMOVE) { 15378 Slog.d(TAG, " user " + userId + " => " + installed); 15379 } 15380 ps.setInstalled(installed, userId); 15381 } 15382 } 15383 } 15384 // can downgrade to reader 15385 if (writeSettings) { 15386 // Save settings now 15387 mSettings.writeLPr(); 15388 } 15389 } 15390 if (outInfo != null) { 15391 // A user ID was deleted here. Go through all users and remove it 15392 // from KeyStore. 15393 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15394 } 15395 } 15396 15397 static boolean locationIsPrivileged(File path) { 15398 try { 15399 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15400 .getCanonicalPath(); 15401 return path.getCanonicalPath().startsWith(privilegedAppDir); 15402 } catch (IOException e) { 15403 Slog.e(TAG, "Unable to access code path " + path); 15404 } 15405 return false; 15406 } 15407 15408 /* 15409 * Tries to delete system package. 15410 */ 15411 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 15412 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15413 boolean writeSettings) { 15414 if (deletedPs.parentPackageName != null) { 15415 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15416 return false; 15417 } 15418 15419 final boolean applyUserRestrictions 15420 = (allUserHandles != null) && (outInfo.origUsers != null); 15421 final PackageSetting disabledPs; 15422 // Confirm if the system package has been updated 15423 // An updated system app can be deleted. This will also have to restore 15424 // the system pkg from system partition 15425 // reader 15426 synchronized (mPackages) { 15427 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15428 } 15429 15430 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15431 + " disabledPs=" + disabledPs); 15432 15433 if (disabledPs == null) { 15434 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15435 return false; 15436 } else if (DEBUG_REMOVE) { 15437 Slog.d(TAG, "Deleting system pkg from data partition"); 15438 } 15439 15440 if (DEBUG_REMOVE) { 15441 if (applyUserRestrictions) { 15442 Slog.d(TAG, "Remembering install states:"); 15443 for (int userId : allUserHandles) { 15444 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15445 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15446 } 15447 } 15448 } 15449 15450 // Delete the updated package 15451 outInfo.isRemovedPackageSystemUpdate = true; 15452 if (outInfo.removedChildPackages != null) { 15453 final int childCount = (deletedPs.childPackageNames != null) 15454 ? deletedPs.childPackageNames.size() : 0; 15455 for (int i = 0; i < childCount; i++) { 15456 String childPackageName = deletedPs.childPackageNames.get(i); 15457 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15458 .contains(childPackageName)) { 15459 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15460 childPackageName); 15461 if (childInfo != null) { 15462 childInfo.isRemovedPackageSystemUpdate = true; 15463 } 15464 } 15465 } 15466 } 15467 15468 if (disabledPs.versionCode < deletedPs.versionCode) { 15469 // Delete data for downgrades 15470 flags &= ~PackageManager.DELETE_KEEP_DATA; 15471 } else { 15472 // Preserve data by setting flag 15473 flags |= PackageManager.DELETE_KEEP_DATA; 15474 } 15475 15476 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 15477 outInfo, writeSettings, disabledPs.pkg); 15478 if (!ret) { 15479 return false; 15480 } 15481 15482 // writer 15483 synchronized (mPackages) { 15484 // Reinstate the old system package 15485 enableSystemPackageLPw(disabledPs.pkg); 15486 // Remove any native libraries from the upgraded package. 15487 removeNativeBinariesLI(deletedPs); 15488 } 15489 15490 // Install the system package 15491 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15492 int parseFlags = mDefParseFlags 15493 | PackageParser.PARSE_MUST_BE_APK 15494 | PackageParser.PARSE_IS_SYSTEM 15495 | PackageParser.PARSE_IS_SYSTEM_DIR; 15496 if (locationIsPrivileged(disabledPs.codePath)) { 15497 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15498 } 15499 15500 final PackageParser.Package newPkg; 15501 try { 15502 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15503 } catch (PackageManagerException e) { 15504 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15505 + e.getMessage()); 15506 return false; 15507 } 15508 15509 prepareAppDataAfterInstallLIF(newPkg); 15510 15511 // writer 15512 synchronized (mPackages) { 15513 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15514 15515 // Propagate the permissions state as we do not want to drop on the floor 15516 // runtime permissions. The update permissions method below will take 15517 // care of removing obsolete permissions and grant install permissions. 15518 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15519 updatePermissionsLPw(newPkg.packageName, newPkg, 15520 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15521 15522 if (applyUserRestrictions) { 15523 if (DEBUG_REMOVE) { 15524 Slog.d(TAG, "Propagating install state across reinstall"); 15525 } 15526 for (int userId : allUserHandles) { 15527 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15528 if (DEBUG_REMOVE) { 15529 Slog.d(TAG, " user " + userId + " => " + installed); 15530 } 15531 ps.setInstalled(installed, userId); 15532 15533 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15534 } 15535 // Regardless of writeSettings we need to ensure that this restriction 15536 // state propagation is persisted 15537 mSettings.writeAllUsersPackageRestrictionsLPr(); 15538 } 15539 // can downgrade to reader here 15540 if (writeSettings) { 15541 mSettings.writeLPr(); 15542 } 15543 } 15544 return true; 15545 } 15546 15547 private boolean deleteInstalledPackageLIF(PackageSetting ps, 15548 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15549 PackageRemovedInfo outInfo, boolean writeSettings, 15550 PackageParser.Package replacingPackage) { 15551 synchronized (mPackages) { 15552 if (outInfo != null) { 15553 outInfo.uid = ps.appId; 15554 } 15555 15556 if (outInfo != null && outInfo.removedChildPackages != null) { 15557 final int childCount = (ps.childPackageNames != null) 15558 ? ps.childPackageNames.size() : 0; 15559 for (int i = 0; i < childCount; i++) { 15560 String childPackageName = ps.childPackageNames.get(i); 15561 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15562 if (childPs == null) { 15563 return false; 15564 } 15565 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15566 childPackageName); 15567 if (childInfo != null) { 15568 childInfo.uid = childPs.appId; 15569 } 15570 } 15571 } 15572 } 15573 15574 // Delete package data from internal structures and also remove data if flag is set 15575 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 15576 15577 // Delete the child packages data 15578 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15579 for (int i = 0; i < childCount; i++) { 15580 PackageSetting childPs; 15581 synchronized (mPackages) { 15582 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15583 } 15584 if (childPs != null) { 15585 PackageRemovedInfo childOutInfo = (outInfo != null 15586 && outInfo.removedChildPackages != null) 15587 ? outInfo.removedChildPackages.get(childPs.name) : null; 15588 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15589 && (replacingPackage != null 15590 && !replacingPackage.hasChildPackage(childPs.name)) 15591 ? flags & ~DELETE_KEEP_DATA : flags; 15592 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 15593 deleteFlags, writeSettings); 15594 } 15595 } 15596 15597 // Delete application code and resources only for parent packages 15598 if (ps.parentPackageName == null) { 15599 if (deleteCodeAndResources && (outInfo != null)) { 15600 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15601 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15602 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15603 } 15604 } 15605 15606 return true; 15607 } 15608 15609 @Override 15610 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15611 int userId) { 15612 mContext.enforceCallingOrSelfPermission( 15613 android.Manifest.permission.DELETE_PACKAGES, null); 15614 synchronized (mPackages) { 15615 PackageSetting ps = mSettings.mPackages.get(packageName); 15616 if (ps == null) { 15617 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15618 return false; 15619 } 15620 if (!ps.getInstalled(userId)) { 15621 // Can't block uninstall for an app that is not installed or enabled. 15622 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15623 return false; 15624 } 15625 ps.setBlockUninstall(blockUninstall, userId); 15626 mSettings.writePackageRestrictionsLPr(userId); 15627 } 15628 return true; 15629 } 15630 15631 @Override 15632 public boolean getBlockUninstallForUser(String packageName, int userId) { 15633 synchronized (mPackages) { 15634 PackageSetting ps = mSettings.mPackages.get(packageName); 15635 if (ps == null) { 15636 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15637 return false; 15638 } 15639 return ps.getBlockUninstall(userId); 15640 } 15641 } 15642 15643 @Override 15644 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15645 int callingUid = Binder.getCallingUid(); 15646 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15647 throw new SecurityException( 15648 "setRequiredForSystemUser can only be run by the system or root"); 15649 } 15650 synchronized (mPackages) { 15651 PackageSetting ps = mSettings.mPackages.get(packageName); 15652 if (ps == null) { 15653 Log.w(TAG, "Package doesn't exist: " + packageName); 15654 return false; 15655 } 15656 if (systemUserApp) { 15657 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15658 } else { 15659 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15660 } 15661 mSettings.writeLPr(); 15662 } 15663 return true; 15664 } 15665 15666 /* 15667 * This method handles package deletion in general 15668 */ 15669 private boolean deletePackageLIF(String packageName, UserHandle user, 15670 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15671 PackageRemovedInfo outInfo, boolean writeSettings, 15672 PackageParser.Package replacingPackage) { 15673 if (packageName == null) { 15674 Slog.w(TAG, "Attempt to delete null packageName."); 15675 return false; 15676 } 15677 15678 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15679 15680 PackageSetting ps; 15681 15682 synchronized (mPackages) { 15683 ps = mSettings.mPackages.get(packageName); 15684 if (ps == null) { 15685 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15686 return false; 15687 } 15688 15689 if (ps.parentPackageName != null && (!isSystemApp(ps) 15690 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15691 if (DEBUG_REMOVE) { 15692 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15693 + ((user == null) ? UserHandle.USER_ALL : user)); 15694 } 15695 final int removedUserId = (user != null) ? user.getIdentifier() 15696 : UserHandle.USER_ALL; 15697 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 15698 return false; 15699 } 15700 markPackageUninstalledForUserLPw(ps, user); 15701 scheduleWritePackageRestrictionsLocked(user); 15702 return true; 15703 } 15704 } 15705 15706 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15707 && user.getIdentifier() != UserHandle.USER_ALL)) { 15708 // The caller is asking that the package only be deleted for a single 15709 // user. To do this, we just mark its uninstalled state and delete 15710 // its data. If this is a system app, we only allow this to happen if 15711 // they have set the special DELETE_SYSTEM_APP which requests different 15712 // semantics than normal for uninstalling system apps. 15713 markPackageUninstalledForUserLPw(ps, user); 15714 15715 if (!isSystemApp(ps)) { 15716 // Do not uninstall the APK if an app should be cached 15717 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15718 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15719 // Other user still have this package installed, so all 15720 // we need to do is clear this user's data and save that 15721 // it is uninstalled. 15722 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15723 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15724 return false; 15725 } 15726 scheduleWritePackageRestrictionsLocked(user); 15727 return true; 15728 } else { 15729 // We need to set it back to 'installed' so the uninstall 15730 // broadcasts will be sent correctly. 15731 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15732 ps.setInstalled(true, user.getIdentifier()); 15733 } 15734 } else { 15735 // This is a system app, so we assume that the 15736 // other users still have this package installed, so all 15737 // we need to do is clear this user's data and save that 15738 // it is uninstalled. 15739 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15740 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 15741 return false; 15742 } 15743 scheduleWritePackageRestrictionsLocked(user); 15744 return true; 15745 } 15746 } 15747 15748 // If we are deleting a composite package for all users, keep track 15749 // of result for each child. 15750 if (ps.childPackageNames != null && outInfo != null) { 15751 synchronized (mPackages) { 15752 final int childCount = ps.childPackageNames.size(); 15753 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15754 for (int i = 0; i < childCount; i++) { 15755 String childPackageName = ps.childPackageNames.get(i); 15756 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15757 childInfo.removedPackage = childPackageName; 15758 outInfo.removedChildPackages.put(childPackageName, childInfo); 15759 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15760 if (childPs != null) { 15761 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15762 } 15763 } 15764 } 15765 } 15766 15767 boolean ret = false; 15768 if (isSystemApp(ps)) { 15769 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15770 // When an updated system application is deleted we delete the existing resources 15771 // as well and fall back to existing code in system partition 15772 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15773 } else { 15774 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15775 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 15776 outInfo, writeSettings, replacingPackage); 15777 } 15778 15779 // Take a note whether we deleted the package for all users 15780 if (outInfo != null) { 15781 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15782 if (outInfo.removedChildPackages != null) { 15783 synchronized (mPackages) { 15784 final int childCount = outInfo.removedChildPackages.size(); 15785 for (int i = 0; i < childCount; i++) { 15786 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15787 if (childInfo != null) { 15788 childInfo.removedForAllUsers = mPackages.get( 15789 childInfo.removedPackage) == null; 15790 } 15791 } 15792 } 15793 } 15794 // If we uninstalled an update to a system app there may be some 15795 // child packages that appeared as they are declared in the system 15796 // app but were not declared in the update. 15797 if (isSystemApp(ps)) { 15798 synchronized (mPackages) { 15799 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15800 final int childCount = (updatedPs.childPackageNames != null) 15801 ? updatedPs.childPackageNames.size() : 0; 15802 for (int i = 0; i < childCount; i++) { 15803 String childPackageName = updatedPs.childPackageNames.get(i); 15804 if (outInfo.removedChildPackages == null 15805 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15806 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15807 if (childPs == null) { 15808 continue; 15809 } 15810 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15811 installRes.name = childPackageName; 15812 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15813 installRes.pkg = mPackages.get(childPackageName); 15814 installRes.uid = childPs.pkg.applicationInfo.uid; 15815 if (outInfo.appearedChildPackages == null) { 15816 outInfo.appearedChildPackages = new ArrayMap<>(); 15817 } 15818 outInfo.appearedChildPackages.put(childPackageName, installRes); 15819 } 15820 } 15821 } 15822 } 15823 } 15824 15825 return ret; 15826 } 15827 15828 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15829 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15830 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15831 for (int nextUserId : userIds) { 15832 if (DEBUG_REMOVE) { 15833 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15834 } 15835 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 15836 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15837 false /*hidden*/, false /*suspended*/, null, null, null, 15838 false /*blockUninstall*/, 15839 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15840 } 15841 } 15842 15843 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 15844 PackageRemovedInfo outInfo) { 15845 final PackageParser.Package pkg; 15846 synchronized (mPackages) { 15847 pkg = mPackages.get(ps.name); 15848 } 15849 15850 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15851 : new int[] {userId}; 15852 for (int nextUserId : userIds) { 15853 if (DEBUG_REMOVE) { 15854 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15855 + nextUserId); 15856 } 15857 15858 destroyAppDataLIF(pkg, userId, 15859 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 15860 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15861 schedulePackageCleaning(ps.name, nextUserId, false); 15862 synchronized (mPackages) { 15863 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15864 scheduleWritePackageRestrictionsLocked(nextUserId); 15865 } 15866 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15867 } 15868 } 15869 15870 if (outInfo != null) { 15871 outInfo.removedPackage = ps.name; 15872 outInfo.removedAppId = ps.appId; 15873 outInfo.removedUsers = userIds; 15874 } 15875 15876 return true; 15877 } 15878 15879 private final class ClearStorageConnection implements ServiceConnection { 15880 IMediaContainerService mContainerService; 15881 15882 @Override 15883 public void onServiceConnected(ComponentName name, IBinder service) { 15884 synchronized (this) { 15885 mContainerService = IMediaContainerService.Stub.asInterface(service); 15886 notifyAll(); 15887 } 15888 } 15889 15890 @Override 15891 public void onServiceDisconnected(ComponentName name) { 15892 } 15893 } 15894 15895 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15896 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 15897 15898 final boolean mounted; 15899 if (Environment.isExternalStorageEmulated()) { 15900 mounted = true; 15901 } else { 15902 final String status = Environment.getExternalStorageState(); 15903 15904 mounted = status.equals(Environment.MEDIA_MOUNTED) 15905 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15906 } 15907 15908 if (!mounted) { 15909 return; 15910 } 15911 15912 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15913 int[] users; 15914 if (userId == UserHandle.USER_ALL) { 15915 users = sUserManager.getUserIds(); 15916 } else { 15917 users = new int[] { userId }; 15918 } 15919 final ClearStorageConnection conn = new ClearStorageConnection(); 15920 if (mContext.bindServiceAsUser( 15921 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15922 try { 15923 for (int curUser : users) { 15924 long timeout = SystemClock.uptimeMillis() + 5000; 15925 synchronized (conn) { 15926 long now = SystemClock.uptimeMillis(); 15927 while (conn.mContainerService == null && now < timeout) { 15928 try { 15929 conn.wait(timeout - now); 15930 } catch (InterruptedException e) { 15931 } 15932 } 15933 } 15934 if (conn.mContainerService == null) { 15935 return; 15936 } 15937 15938 final UserEnvironment userEnv = new UserEnvironment(curUser); 15939 clearDirectory(conn.mContainerService, 15940 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15941 if (allData) { 15942 clearDirectory(conn.mContainerService, 15943 userEnv.buildExternalStorageAppDataDirs(packageName)); 15944 clearDirectory(conn.mContainerService, 15945 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15946 } 15947 } 15948 } finally { 15949 mContext.unbindService(conn); 15950 } 15951 } 15952 } 15953 15954 @Override 15955 public void clearApplicationProfileData(String packageName) { 15956 enforceSystemOrRoot("Only the system can clear all profile data"); 15957 15958 final PackageParser.Package pkg; 15959 synchronized (mPackages) { 15960 pkg = mPackages.get(packageName); 15961 } 15962 15963 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 15964 synchronized (mInstallLock) { 15965 clearAppProfilesLIF(pkg); 15966 } 15967 } 15968 } 15969 15970 @Override 15971 public void clearApplicationUserData(final String packageName, 15972 final IPackageDataObserver observer, final int userId) { 15973 mContext.enforceCallingOrSelfPermission( 15974 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15975 15976 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15977 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15978 15979 final DevicePolicyManagerInternal dpmi = LocalServices 15980 .getService(DevicePolicyManagerInternal.class); 15981 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15982 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15983 } 15984 // Queue up an async operation since the package deletion may take a little while. 15985 mHandler.post(new Runnable() { 15986 public void run() { 15987 mHandler.removeCallbacks(this); 15988 final boolean succeeded; 15989 try (PackageFreezer freezer = freezePackage(packageName, 15990 "clearApplicationUserData")) { 15991 synchronized (mInstallLock) { 15992 succeeded = clearApplicationUserDataLIF(packageName, userId); 15993 } 15994 clearExternalStorageDataSync(packageName, userId, true); 15995 } 15996 if (succeeded) { 15997 // invoke DeviceStorageMonitor's update method to clear any notifications 15998 DeviceStorageMonitorInternal dsm = LocalServices 15999 .getService(DeviceStorageMonitorInternal.class); 16000 if (dsm != null) { 16001 dsm.checkMemory(); 16002 } 16003 } 16004 if(observer != null) { 16005 try { 16006 observer.onRemoveCompleted(packageName, succeeded); 16007 } catch (RemoteException e) { 16008 Log.i(TAG, "Observer no longer exists."); 16009 } 16010 } //end if observer 16011 } //end run 16012 }); 16013 } 16014 16015 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 16016 if (packageName == null) { 16017 Slog.w(TAG, "Attempt to delete null packageName."); 16018 return false; 16019 } 16020 16021 // Try finding details about the requested package 16022 PackageParser.Package pkg; 16023 synchronized (mPackages) { 16024 pkg = mPackages.get(packageName); 16025 if (pkg == null) { 16026 final PackageSetting ps = mSettings.mPackages.get(packageName); 16027 if (ps != null) { 16028 pkg = ps.pkg; 16029 } 16030 } 16031 16032 if (pkg == null) { 16033 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 16034 return false; 16035 } 16036 16037 PackageSetting ps = (PackageSetting) pkg.mExtras; 16038 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16039 } 16040 16041 clearAppDataLIF(pkg, userId, 16042 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 16043 16044 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16045 removeKeystoreDataIfNeeded(userId, appId); 16046 16047 final UserManager um = mContext.getSystemService(UserManager.class); 16048 final int flags; 16049 if (um.isUserUnlocked(userId)) { 16050 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 16051 } else if (um.isUserRunning(userId)) { 16052 flags = StorageManager.FLAG_STORAGE_DE; 16053 } else { 16054 flags = 0; 16055 } 16056 prepareAppDataContentsLIF(pkg, userId, flags); 16057 16058 return true; 16059 } 16060 16061 /** 16062 * Reverts user permission state changes (permissions and flags) in 16063 * all packages for a given user. 16064 * 16065 * @param userId The device user for which to do a reset. 16066 */ 16067 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 16068 final int packageCount = mPackages.size(); 16069 for (int i = 0; i < packageCount; i++) { 16070 PackageParser.Package pkg = mPackages.valueAt(i); 16071 PackageSetting ps = (PackageSetting) pkg.mExtras; 16072 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 16073 } 16074 } 16075 16076 /** 16077 * Reverts user permission state changes (permissions and flags). 16078 * 16079 * @param ps The package for which to reset. 16080 * @param userId The device user for which to do a reset. 16081 */ 16082 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 16083 final PackageSetting ps, final int userId) { 16084 if (ps.pkg == null) { 16085 return; 16086 } 16087 16088 // These are flags that can change base on user actions. 16089 final int userSettableMask = FLAG_PERMISSION_USER_SET 16090 | FLAG_PERMISSION_USER_FIXED 16091 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 16092 | FLAG_PERMISSION_REVIEW_REQUIRED; 16093 16094 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 16095 | FLAG_PERMISSION_POLICY_FIXED; 16096 16097 boolean writeInstallPermissions = false; 16098 boolean writeRuntimePermissions = false; 16099 16100 final int permissionCount = ps.pkg.requestedPermissions.size(); 16101 for (int i = 0; i < permissionCount; i++) { 16102 String permission = ps.pkg.requestedPermissions.get(i); 16103 16104 BasePermission bp = mSettings.mPermissions.get(permission); 16105 if (bp == null) { 16106 continue; 16107 } 16108 16109 // If shared user we just reset the state to which only this app contributed. 16110 if (ps.sharedUser != null) { 16111 boolean used = false; 16112 final int packageCount = ps.sharedUser.packages.size(); 16113 for (int j = 0; j < packageCount; j++) { 16114 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 16115 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 16116 && pkg.pkg.requestedPermissions.contains(permission)) { 16117 used = true; 16118 break; 16119 } 16120 } 16121 if (used) { 16122 continue; 16123 } 16124 } 16125 16126 PermissionsState permissionsState = ps.getPermissionsState(); 16127 16128 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 16129 16130 // Always clear the user settable flags. 16131 final boolean hasInstallState = permissionsState.getInstallPermissionState( 16132 bp.name) != null; 16133 // If permission review is enabled and this is a legacy app, mark the 16134 // permission as requiring a review as this is the initial state. 16135 int flags = 0; 16136 if (Build.PERMISSIONS_REVIEW_REQUIRED 16137 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 16138 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 16139 } 16140 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 16141 if (hasInstallState) { 16142 writeInstallPermissions = true; 16143 } else { 16144 writeRuntimePermissions = true; 16145 } 16146 } 16147 16148 // Below is only runtime permission handling. 16149 if (!bp.isRuntime()) { 16150 continue; 16151 } 16152 16153 // Never clobber system or policy. 16154 if ((oldFlags & policyOrSystemFlags) != 0) { 16155 continue; 16156 } 16157 16158 // If this permission was granted by default, make sure it is. 16159 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 16160 if (permissionsState.grantRuntimePermission(bp, userId) 16161 != PERMISSION_OPERATION_FAILURE) { 16162 writeRuntimePermissions = true; 16163 } 16164 // If permission review is enabled the permissions for a legacy apps 16165 // are represented as constantly granted runtime ones, so don't revoke. 16166 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 16167 // Otherwise, reset the permission. 16168 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 16169 switch (revokeResult) { 16170 case PERMISSION_OPERATION_SUCCESS: 16171 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 16172 writeRuntimePermissions = true; 16173 final int appId = ps.appId; 16174 mHandler.post(new Runnable() { 16175 @Override 16176 public void run() { 16177 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 16178 } 16179 }); 16180 } break; 16181 } 16182 } 16183 } 16184 16185 // Synchronously write as we are taking permissions away. 16186 if (writeRuntimePermissions) { 16187 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 16188 } 16189 16190 // Synchronously write as we are taking permissions away. 16191 if (writeInstallPermissions) { 16192 mSettings.writeLPr(); 16193 } 16194 } 16195 16196 /** 16197 * Remove entries from the keystore daemon. Will only remove it if the 16198 * {@code appId} is valid. 16199 */ 16200 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 16201 if (appId < 0) { 16202 return; 16203 } 16204 16205 final KeyStore keyStore = KeyStore.getInstance(); 16206 if (keyStore != null) { 16207 if (userId == UserHandle.USER_ALL) { 16208 for (final int individual : sUserManager.getUserIds()) { 16209 keyStore.clearUid(UserHandle.getUid(individual, appId)); 16210 } 16211 } else { 16212 keyStore.clearUid(UserHandle.getUid(userId, appId)); 16213 } 16214 } else { 16215 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 16216 } 16217 } 16218 16219 @Override 16220 public void deleteApplicationCacheFiles(final String packageName, 16221 final IPackageDataObserver observer) { 16222 final int userId = UserHandle.getCallingUserId(); 16223 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 16224 } 16225 16226 @Override 16227 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 16228 final IPackageDataObserver observer) { 16229 mContext.enforceCallingOrSelfPermission( 16230 android.Manifest.permission.DELETE_CACHE_FILES, null); 16231 enforceCrossUserPermission(Binder.getCallingUid(), userId, 16232 /* requireFullPermission= */ true, /* checkShell= */ false, 16233 "delete application cache files"); 16234 16235 final PackageParser.Package pkg; 16236 synchronized (mPackages) { 16237 pkg = mPackages.get(packageName); 16238 } 16239 16240 // Queue up an async operation since the package deletion may take a little while. 16241 mHandler.post(new Runnable() { 16242 public void run() { 16243 synchronized (mInstallLock) { 16244 final int flags = StorageManager.FLAG_STORAGE_DE 16245 | StorageManager.FLAG_STORAGE_CE; 16246 // We're only clearing cache files, so we don't care if the 16247 // app is unfrozen and still able to run 16248 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 16249 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16250 } 16251 clearExternalStorageDataSync(packageName, userId, false); 16252 if (observer != null) { 16253 try { 16254 observer.onRemoveCompleted(packageName, true); 16255 } catch (RemoteException e) { 16256 Log.i(TAG, "Observer no longer exists."); 16257 } 16258 } 16259 } 16260 }); 16261 } 16262 16263 @Override 16264 public void getPackageSizeInfo(final String packageName, int userHandle, 16265 final IPackageStatsObserver observer) { 16266 mContext.enforceCallingOrSelfPermission( 16267 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16268 if (packageName == null) { 16269 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16270 } 16271 16272 PackageStats stats = new PackageStats(packageName, userHandle); 16273 16274 /* 16275 * Queue up an async operation since the package measurement may take a 16276 * little while. 16277 */ 16278 Message msg = mHandler.obtainMessage(INIT_COPY); 16279 msg.obj = new MeasureParams(stats, observer); 16280 mHandler.sendMessage(msg); 16281 } 16282 16283 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 16284 final PackageSetting ps; 16285 synchronized (mPackages) { 16286 ps = mSettings.mPackages.get(packageName); 16287 if (ps == null) { 16288 Slog.w(TAG, "Failed to find settings for " + packageName); 16289 return false; 16290 } 16291 } 16292 try { 16293 mInstaller.getAppSize(ps.volumeUuid, packageName, userId, 16294 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 16295 ps.getCeDataInode(userId), ps.codePathString, stats); 16296 } catch (InstallerException e) { 16297 Slog.w(TAG, String.valueOf(e)); 16298 return false; 16299 } 16300 16301 // For now, ignore code size of packages on system partition 16302 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 16303 stats.codeSize = 0; 16304 } 16305 16306 return true; 16307 } 16308 16309 private int getUidTargetSdkVersionLockedLPr(int uid) { 16310 Object obj = mSettings.getUserIdLPr(uid); 16311 if (obj instanceof SharedUserSetting) { 16312 final SharedUserSetting sus = (SharedUserSetting) obj; 16313 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16314 final Iterator<PackageSetting> it = sus.packages.iterator(); 16315 while (it.hasNext()) { 16316 final PackageSetting ps = it.next(); 16317 if (ps.pkg != null) { 16318 int v = ps.pkg.applicationInfo.targetSdkVersion; 16319 if (v < vers) vers = v; 16320 } 16321 } 16322 return vers; 16323 } else if (obj instanceof PackageSetting) { 16324 final PackageSetting ps = (PackageSetting) obj; 16325 if (ps.pkg != null) { 16326 return ps.pkg.applicationInfo.targetSdkVersion; 16327 } 16328 } 16329 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16330 } 16331 16332 @Override 16333 public void addPreferredActivity(IntentFilter filter, int match, 16334 ComponentName[] set, ComponentName activity, int userId) { 16335 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16336 "Adding preferred"); 16337 } 16338 16339 private void addPreferredActivityInternal(IntentFilter filter, int match, 16340 ComponentName[] set, ComponentName activity, boolean always, int userId, 16341 String opname) { 16342 // writer 16343 int callingUid = Binder.getCallingUid(); 16344 enforceCrossUserPermission(callingUid, userId, 16345 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16346 if (filter.countActions() == 0) { 16347 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16348 return; 16349 } 16350 synchronized (mPackages) { 16351 if (mContext.checkCallingOrSelfPermission( 16352 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16353 != PackageManager.PERMISSION_GRANTED) { 16354 if (getUidTargetSdkVersionLockedLPr(callingUid) 16355 < Build.VERSION_CODES.FROYO) { 16356 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16357 + callingUid); 16358 return; 16359 } 16360 mContext.enforceCallingOrSelfPermission( 16361 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16362 } 16363 16364 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16365 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16366 + userId + ":"); 16367 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16368 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16369 scheduleWritePackageRestrictionsLocked(userId); 16370 } 16371 } 16372 16373 @Override 16374 public void replacePreferredActivity(IntentFilter filter, int match, 16375 ComponentName[] set, ComponentName activity, int userId) { 16376 if (filter.countActions() != 1) { 16377 throw new IllegalArgumentException( 16378 "replacePreferredActivity expects filter to have only 1 action."); 16379 } 16380 if (filter.countDataAuthorities() != 0 16381 || filter.countDataPaths() != 0 16382 || filter.countDataSchemes() > 1 16383 || filter.countDataTypes() != 0) { 16384 throw new IllegalArgumentException( 16385 "replacePreferredActivity expects filter to have no data authorities, " + 16386 "paths, or types; and at most one scheme."); 16387 } 16388 16389 final int callingUid = Binder.getCallingUid(); 16390 enforceCrossUserPermission(callingUid, userId, 16391 true /* requireFullPermission */, false /* checkShell */, 16392 "replace preferred activity"); 16393 synchronized (mPackages) { 16394 if (mContext.checkCallingOrSelfPermission( 16395 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16396 != PackageManager.PERMISSION_GRANTED) { 16397 if (getUidTargetSdkVersionLockedLPr(callingUid) 16398 < Build.VERSION_CODES.FROYO) { 16399 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16400 + Binder.getCallingUid()); 16401 return; 16402 } 16403 mContext.enforceCallingOrSelfPermission( 16404 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16405 } 16406 16407 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16408 if (pir != null) { 16409 // Get all of the existing entries that exactly match this filter. 16410 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16411 if (existing != null && existing.size() == 1) { 16412 PreferredActivity cur = existing.get(0); 16413 if (DEBUG_PREFERRED) { 16414 Slog.i(TAG, "Checking replace of preferred:"); 16415 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16416 if (!cur.mPref.mAlways) { 16417 Slog.i(TAG, " -- CUR; not mAlways!"); 16418 } else { 16419 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16420 Slog.i(TAG, " -- CUR: mSet=" 16421 + Arrays.toString(cur.mPref.mSetComponents)); 16422 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16423 Slog.i(TAG, " -- NEW: mMatch=" 16424 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16425 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16426 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16427 } 16428 } 16429 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16430 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16431 && cur.mPref.sameSet(set)) { 16432 // Setting the preferred activity to what it happens to be already 16433 if (DEBUG_PREFERRED) { 16434 Slog.i(TAG, "Replacing with same preferred activity " 16435 + cur.mPref.mShortComponent + " for user " 16436 + userId + ":"); 16437 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16438 } 16439 return; 16440 } 16441 } 16442 16443 if (existing != null) { 16444 if (DEBUG_PREFERRED) { 16445 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16446 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16447 } 16448 for (int i = 0; i < existing.size(); i++) { 16449 PreferredActivity pa = existing.get(i); 16450 if (DEBUG_PREFERRED) { 16451 Slog.i(TAG, "Removing existing preferred activity " 16452 + pa.mPref.mComponent + ":"); 16453 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16454 } 16455 pir.removeFilter(pa); 16456 } 16457 } 16458 } 16459 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16460 "Replacing preferred"); 16461 } 16462 } 16463 16464 @Override 16465 public void clearPackagePreferredActivities(String packageName) { 16466 final int uid = Binder.getCallingUid(); 16467 // writer 16468 synchronized (mPackages) { 16469 PackageParser.Package pkg = mPackages.get(packageName); 16470 if (pkg == null || pkg.applicationInfo.uid != uid) { 16471 if (mContext.checkCallingOrSelfPermission( 16472 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16473 != PackageManager.PERMISSION_GRANTED) { 16474 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16475 < Build.VERSION_CODES.FROYO) { 16476 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16477 + Binder.getCallingUid()); 16478 return; 16479 } 16480 mContext.enforceCallingOrSelfPermission( 16481 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16482 } 16483 } 16484 16485 int user = UserHandle.getCallingUserId(); 16486 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16487 scheduleWritePackageRestrictionsLocked(user); 16488 } 16489 } 16490 } 16491 16492 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16493 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16494 ArrayList<PreferredActivity> removed = null; 16495 boolean changed = false; 16496 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16497 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16498 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16499 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16500 continue; 16501 } 16502 Iterator<PreferredActivity> it = pir.filterIterator(); 16503 while (it.hasNext()) { 16504 PreferredActivity pa = it.next(); 16505 // Mark entry for removal only if it matches the package name 16506 // and the entry is of type "always". 16507 if (packageName == null || 16508 (pa.mPref.mComponent.getPackageName().equals(packageName) 16509 && pa.mPref.mAlways)) { 16510 if (removed == null) { 16511 removed = new ArrayList<PreferredActivity>(); 16512 } 16513 removed.add(pa); 16514 } 16515 } 16516 if (removed != null) { 16517 for (int j=0; j<removed.size(); j++) { 16518 PreferredActivity pa = removed.get(j); 16519 pir.removeFilter(pa); 16520 } 16521 changed = true; 16522 } 16523 } 16524 return changed; 16525 } 16526 16527 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16528 private void clearIntentFilterVerificationsLPw(int userId) { 16529 final int packageCount = mPackages.size(); 16530 for (int i = 0; i < packageCount; i++) { 16531 PackageParser.Package pkg = mPackages.valueAt(i); 16532 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16533 } 16534 } 16535 16536 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16537 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16538 if (userId == UserHandle.USER_ALL) { 16539 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16540 sUserManager.getUserIds())) { 16541 for (int oneUserId : sUserManager.getUserIds()) { 16542 scheduleWritePackageRestrictionsLocked(oneUserId); 16543 } 16544 } 16545 } else { 16546 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16547 scheduleWritePackageRestrictionsLocked(userId); 16548 } 16549 } 16550 } 16551 16552 void clearDefaultBrowserIfNeeded(String packageName) { 16553 for (int oneUserId : sUserManager.getUserIds()) { 16554 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16555 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16556 if (packageName.equals(defaultBrowserPackageName)) { 16557 setDefaultBrowserPackageName(null, oneUserId); 16558 } 16559 } 16560 } 16561 16562 @Override 16563 public void resetApplicationPreferences(int userId) { 16564 mContext.enforceCallingOrSelfPermission( 16565 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16566 // writer 16567 synchronized (mPackages) { 16568 final long identity = Binder.clearCallingIdentity(); 16569 try { 16570 clearPackagePreferredActivitiesLPw(null, userId); 16571 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16572 // TODO: We have to reset the default SMS and Phone. This requires 16573 // significant refactoring to keep all default apps in the package 16574 // manager (cleaner but more work) or have the services provide 16575 // callbacks to the package manager to request a default app reset. 16576 applyFactoryDefaultBrowserLPw(userId); 16577 clearIntentFilterVerificationsLPw(userId); 16578 primeDomainVerificationsLPw(userId); 16579 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16580 scheduleWritePackageRestrictionsLocked(userId); 16581 } finally { 16582 Binder.restoreCallingIdentity(identity); 16583 } 16584 } 16585 } 16586 16587 @Override 16588 public int getPreferredActivities(List<IntentFilter> outFilters, 16589 List<ComponentName> outActivities, String packageName) { 16590 16591 int num = 0; 16592 final int userId = UserHandle.getCallingUserId(); 16593 // reader 16594 synchronized (mPackages) { 16595 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16596 if (pir != null) { 16597 final Iterator<PreferredActivity> it = pir.filterIterator(); 16598 while (it.hasNext()) { 16599 final PreferredActivity pa = it.next(); 16600 if (packageName == null 16601 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16602 && pa.mPref.mAlways)) { 16603 if (outFilters != null) { 16604 outFilters.add(new IntentFilter(pa)); 16605 } 16606 if (outActivities != null) { 16607 outActivities.add(pa.mPref.mComponent); 16608 } 16609 } 16610 } 16611 } 16612 } 16613 16614 return num; 16615 } 16616 16617 @Override 16618 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16619 int userId) { 16620 int callingUid = Binder.getCallingUid(); 16621 if (callingUid != Process.SYSTEM_UID) { 16622 throw new SecurityException( 16623 "addPersistentPreferredActivity can only be run by the system"); 16624 } 16625 if (filter.countActions() == 0) { 16626 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16627 return; 16628 } 16629 synchronized (mPackages) { 16630 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16631 ":"); 16632 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16633 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16634 new PersistentPreferredActivity(filter, activity)); 16635 scheduleWritePackageRestrictionsLocked(userId); 16636 } 16637 } 16638 16639 @Override 16640 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16641 int callingUid = Binder.getCallingUid(); 16642 if (callingUid != Process.SYSTEM_UID) { 16643 throw new SecurityException( 16644 "clearPackagePersistentPreferredActivities can only be run by the system"); 16645 } 16646 ArrayList<PersistentPreferredActivity> removed = null; 16647 boolean changed = false; 16648 synchronized (mPackages) { 16649 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16650 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16651 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16652 .valueAt(i); 16653 if (userId != thisUserId) { 16654 continue; 16655 } 16656 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16657 while (it.hasNext()) { 16658 PersistentPreferredActivity ppa = it.next(); 16659 // Mark entry for removal only if it matches the package name. 16660 if (ppa.mComponent.getPackageName().equals(packageName)) { 16661 if (removed == null) { 16662 removed = new ArrayList<PersistentPreferredActivity>(); 16663 } 16664 removed.add(ppa); 16665 } 16666 } 16667 if (removed != null) { 16668 for (int j=0; j<removed.size(); j++) { 16669 PersistentPreferredActivity ppa = removed.get(j); 16670 ppir.removeFilter(ppa); 16671 } 16672 changed = true; 16673 } 16674 } 16675 16676 if (changed) { 16677 scheduleWritePackageRestrictionsLocked(userId); 16678 } 16679 } 16680 } 16681 16682 /** 16683 * Common machinery for picking apart a restored XML blob and passing 16684 * it to a caller-supplied functor to be applied to the running system. 16685 */ 16686 private void restoreFromXml(XmlPullParser parser, int userId, 16687 String expectedStartTag, BlobXmlRestorer functor) 16688 throws IOException, XmlPullParserException { 16689 int type; 16690 while ((type = parser.next()) != XmlPullParser.START_TAG 16691 && type != XmlPullParser.END_DOCUMENT) { 16692 } 16693 if (type != XmlPullParser.START_TAG) { 16694 // oops didn't find a start tag?! 16695 if (DEBUG_BACKUP) { 16696 Slog.e(TAG, "Didn't find start tag during restore"); 16697 } 16698 return; 16699 } 16700Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16701 // this is supposed to be TAG_PREFERRED_BACKUP 16702 if (!expectedStartTag.equals(parser.getName())) { 16703 if (DEBUG_BACKUP) { 16704 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16705 } 16706 return; 16707 } 16708 16709 // skip interfering stuff, then we're aligned with the backing implementation 16710 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16711Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16712 functor.apply(parser, userId); 16713 } 16714 16715 private interface BlobXmlRestorer { 16716 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16717 } 16718 16719 /** 16720 * Non-Binder method, support for the backup/restore mechanism: write the 16721 * full set of preferred activities in its canonical XML format. Returns the 16722 * XML output as a byte array, or null if there is none. 16723 */ 16724 @Override 16725 public byte[] getPreferredActivityBackup(int userId) { 16726 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16727 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16728 } 16729 16730 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16731 try { 16732 final XmlSerializer serializer = new FastXmlSerializer(); 16733 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16734 serializer.startDocument(null, true); 16735 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16736 16737 synchronized (mPackages) { 16738 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16739 } 16740 16741 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16742 serializer.endDocument(); 16743 serializer.flush(); 16744 } catch (Exception e) { 16745 if (DEBUG_BACKUP) { 16746 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16747 } 16748 return null; 16749 } 16750 16751 return dataStream.toByteArray(); 16752 } 16753 16754 @Override 16755 public void restorePreferredActivities(byte[] backup, int userId) { 16756 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16757 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16758 } 16759 16760 try { 16761 final XmlPullParser parser = Xml.newPullParser(); 16762 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16763 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16764 new BlobXmlRestorer() { 16765 @Override 16766 public void apply(XmlPullParser parser, int userId) 16767 throws XmlPullParserException, IOException { 16768 synchronized (mPackages) { 16769 mSettings.readPreferredActivitiesLPw(parser, userId); 16770 } 16771 } 16772 } ); 16773 } catch (Exception e) { 16774 if (DEBUG_BACKUP) { 16775 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16776 } 16777 } 16778 } 16779 16780 /** 16781 * Non-Binder method, support for the backup/restore mechanism: write the 16782 * default browser (etc) settings in its canonical XML format. Returns the default 16783 * browser XML representation as a byte array, or null if there is none. 16784 */ 16785 @Override 16786 public byte[] getDefaultAppsBackup(int userId) { 16787 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16788 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16789 } 16790 16791 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16792 try { 16793 final XmlSerializer serializer = new FastXmlSerializer(); 16794 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16795 serializer.startDocument(null, true); 16796 serializer.startTag(null, TAG_DEFAULT_APPS); 16797 16798 synchronized (mPackages) { 16799 mSettings.writeDefaultAppsLPr(serializer, userId); 16800 } 16801 16802 serializer.endTag(null, TAG_DEFAULT_APPS); 16803 serializer.endDocument(); 16804 serializer.flush(); 16805 } catch (Exception e) { 16806 if (DEBUG_BACKUP) { 16807 Slog.e(TAG, "Unable to write default apps for backup", e); 16808 } 16809 return null; 16810 } 16811 16812 return dataStream.toByteArray(); 16813 } 16814 16815 @Override 16816 public void restoreDefaultApps(byte[] backup, int userId) { 16817 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16818 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16819 } 16820 16821 try { 16822 final XmlPullParser parser = Xml.newPullParser(); 16823 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16824 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16825 new BlobXmlRestorer() { 16826 @Override 16827 public void apply(XmlPullParser parser, int userId) 16828 throws XmlPullParserException, IOException { 16829 synchronized (mPackages) { 16830 mSettings.readDefaultAppsLPw(parser, userId); 16831 } 16832 } 16833 } ); 16834 } catch (Exception e) { 16835 if (DEBUG_BACKUP) { 16836 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16837 } 16838 } 16839 } 16840 16841 @Override 16842 public byte[] getIntentFilterVerificationBackup(int userId) { 16843 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16844 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16845 } 16846 16847 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16848 try { 16849 final XmlSerializer serializer = new FastXmlSerializer(); 16850 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16851 serializer.startDocument(null, true); 16852 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16853 16854 synchronized (mPackages) { 16855 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16856 } 16857 16858 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16859 serializer.endDocument(); 16860 serializer.flush(); 16861 } catch (Exception e) { 16862 if (DEBUG_BACKUP) { 16863 Slog.e(TAG, "Unable to write default apps for backup", e); 16864 } 16865 return null; 16866 } 16867 16868 return dataStream.toByteArray(); 16869 } 16870 16871 @Override 16872 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16873 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16874 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16875 } 16876 16877 try { 16878 final XmlPullParser parser = Xml.newPullParser(); 16879 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16880 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16881 new BlobXmlRestorer() { 16882 @Override 16883 public void apply(XmlPullParser parser, int userId) 16884 throws XmlPullParserException, IOException { 16885 synchronized (mPackages) { 16886 mSettings.readAllDomainVerificationsLPr(parser, userId); 16887 mSettings.writeLPr(); 16888 } 16889 } 16890 } ); 16891 } catch (Exception e) { 16892 if (DEBUG_BACKUP) { 16893 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16894 } 16895 } 16896 } 16897 16898 @Override 16899 public byte[] getPermissionGrantBackup(int userId) { 16900 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16901 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16902 } 16903 16904 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16905 try { 16906 final XmlSerializer serializer = new FastXmlSerializer(); 16907 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16908 serializer.startDocument(null, true); 16909 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16910 16911 synchronized (mPackages) { 16912 serializeRuntimePermissionGrantsLPr(serializer, userId); 16913 } 16914 16915 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16916 serializer.endDocument(); 16917 serializer.flush(); 16918 } catch (Exception e) { 16919 if (DEBUG_BACKUP) { 16920 Slog.e(TAG, "Unable to write default apps for backup", e); 16921 } 16922 return null; 16923 } 16924 16925 return dataStream.toByteArray(); 16926 } 16927 16928 @Override 16929 public void restorePermissionGrants(byte[] backup, int userId) { 16930 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16931 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16932 } 16933 16934 try { 16935 final XmlPullParser parser = Xml.newPullParser(); 16936 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16937 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16938 new BlobXmlRestorer() { 16939 @Override 16940 public void apply(XmlPullParser parser, int userId) 16941 throws XmlPullParserException, IOException { 16942 synchronized (mPackages) { 16943 processRestoredPermissionGrantsLPr(parser, userId); 16944 } 16945 } 16946 } ); 16947 } catch (Exception e) { 16948 if (DEBUG_BACKUP) { 16949 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16950 } 16951 } 16952 } 16953 16954 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16955 throws IOException { 16956 serializer.startTag(null, TAG_ALL_GRANTS); 16957 16958 final int N = mSettings.mPackages.size(); 16959 for (int i = 0; i < N; i++) { 16960 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16961 boolean pkgGrantsKnown = false; 16962 16963 PermissionsState packagePerms = ps.getPermissionsState(); 16964 16965 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16966 final int grantFlags = state.getFlags(); 16967 // only look at grants that are not system/policy fixed 16968 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16969 final boolean isGranted = state.isGranted(); 16970 // And only back up the user-twiddled state bits 16971 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16972 final String packageName = mSettings.mPackages.keyAt(i); 16973 if (!pkgGrantsKnown) { 16974 serializer.startTag(null, TAG_GRANT); 16975 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16976 pkgGrantsKnown = true; 16977 } 16978 16979 final boolean userSet = 16980 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16981 final boolean userFixed = 16982 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16983 final boolean revoke = 16984 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16985 16986 serializer.startTag(null, TAG_PERMISSION); 16987 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16988 if (isGranted) { 16989 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16990 } 16991 if (userSet) { 16992 serializer.attribute(null, ATTR_USER_SET, "true"); 16993 } 16994 if (userFixed) { 16995 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16996 } 16997 if (revoke) { 16998 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16999 } 17000 serializer.endTag(null, TAG_PERMISSION); 17001 } 17002 } 17003 } 17004 17005 if (pkgGrantsKnown) { 17006 serializer.endTag(null, TAG_GRANT); 17007 } 17008 } 17009 17010 serializer.endTag(null, TAG_ALL_GRANTS); 17011 } 17012 17013 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 17014 throws XmlPullParserException, IOException { 17015 String pkgName = null; 17016 int outerDepth = parser.getDepth(); 17017 int type; 17018 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 17019 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 17020 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 17021 continue; 17022 } 17023 17024 final String tagName = parser.getName(); 17025 if (tagName.equals(TAG_GRANT)) { 17026 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 17027 if (DEBUG_BACKUP) { 17028 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 17029 } 17030 } else if (tagName.equals(TAG_PERMISSION)) { 17031 17032 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 17033 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 17034 17035 int newFlagSet = 0; 17036 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 17037 newFlagSet |= FLAG_PERMISSION_USER_SET; 17038 } 17039 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 17040 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 17041 } 17042 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 17043 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 17044 } 17045 if (DEBUG_BACKUP) { 17046 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 17047 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 17048 } 17049 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17050 if (ps != null) { 17051 // Already installed so we apply the grant immediately 17052 if (DEBUG_BACKUP) { 17053 Slog.v(TAG, " + already installed; applying"); 17054 } 17055 PermissionsState perms = ps.getPermissionsState(); 17056 BasePermission bp = mSettings.mPermissions.get(permName); 17057 if (bp != null) { 17058 if (isGranted) { 17059 perms.grantRuntimePermission(bp, userId); 17060 } 17061 if (newFlagSet != 0) { 17062 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 17063 } 17064 } 17065 } else { 17066 // Need to wait for post-restore install to apply the grant 17067 if (DEBUG_BACKUP) { 17068 Slog.v(TAG, " - not yet installed; saving for later"); 17069 } 17070 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 17071 isGranted, newFlagSet, userId); 17072 } 17073 } else { 17074 PackageManagerService.reportSettingsProblem(Log.WARN, 17075 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 17076 XmlUtils.skipCurrentTag(parser); 17077 } 17078 } 17079 17080 scheduleWriteSettingsLocked(); 17081 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17082 } 17083 17084 @Override 17085 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 17086 int sourceUserId, int targetUserId, int flags) { 17087 mContext.enforceCallingOrSelfPermission( 17088 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17089 int callingUid = Binder.getCallingUid(); 17090 enforceOwnerRights(ownerPackage, callingUid); 17091 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17092 if (intentFilter.countActions() == 0) { 17093 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 17094 return; 17095 } 17096 synchronized (mPackages) { 17097 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 17098 ownerPackage, targetUserId, flags); 17099 CrossProfileIntentResolver resolver = 17100 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17101 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 17102 // We have all those whose filter is equal. Now checking if the rest is equal as well. 17103 if (existing != null) { 17104 int size = existing.size(); 17105 for (int i = 0; i < size; i++) { 17106 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 17107 return; 17108 } 17109 } 17110 } 17111 resolver.addFilter(newFilter); 17112 scheduleWritePackageRestrictionsLocked(sourceUserId); 17113 } 17114 } 17115 17116 @Override 17117 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 17118 mContext.enforceCallingOrSelfPermission( 17119 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 17120 int callingUid = Binder.getCallingUid(); 17121 enforceOwnerRights(ownerPackage, callingUid); 17122 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 17123 synchronized (mPackages) { 17124 CrossProfileIntentResolver resolver = 17125 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 17126 ArraySet<CrossProfileIntentFilter> set = 17127 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 17128 for (CrossProfileIntentFilter filter : set) { 17129 if (filter.getOwnerPackage().equals(ownerPackage)) { 17130 resolver.removeFilter(filter); 17131 } 17132 } 17133 scheduleWritePackageRestrictionsLocked(sourceUserId); 17134 } 17135 } 17136 17137 // Enforcing that callingUid is owning pkg on userId 17138 private void enforceOwnerRights(String pkg, int callingUid) { 17139 // The system owns everything. 17140 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17141 return; 17142 } 17143 int callingUserId = UserHandle.getUserId(callingUid); 17144 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 17145 if (pi == null) { 17146 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 17147 + callingUserId); 17148 } 17149 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 17150 throw new SecurityException("Calling uid " + callingUid 17151 + " does not own package " + pkg); 17152 } 17153 } 17154 17155 @Override 17156 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 17157 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 17158 } 17159 17160 private Intent getHomeIntent() { 17161 Intent intent = new Intent(Intent.ACTION_MAIN); 17162 intent.addCategory(Intent.CATEGORY_HOME); 17163 return intent; 17164 } 17165 17166 private IntentFilter getHomeFilter() { 17167 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 17168 filter.addCategory(Intent.CATEGORY_HOME); 17169 filter.addCategory(Intent.CATEGORY_DEFAULT); 17170 return filter; 17171 } 17172 17173 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 17174 int userId) { 17175 Intent intent = getHomeIntent(); 17176 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 17177 PackageManager.GET_META_DATA, userId); 17178 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 17179 true, false, false, userId); 17180 17181 allHomeCandidates.clear(); 17182 if (list != null) { 17183 for (ResolveInfo ri : list) { 17184 allHomeCandidates.add(ri); 17185 } 17186 } 17187 return (preferred == null || preferred.activityInfo == null) 17188 ? null 17189 : new ComponentName(preferred.activityInfo.packageName, 17190 preferred.activityInfo.name); 17191 } 17192 17193 @Override 17194 public void setHomeActivity(ComponentName comp, int userId) { 17195 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 17196 getHomeActivitiesAsUser(homeActivities, userId); 17197 17198 boolean found = false; 17199 17200 final int size = homeActivities.size(); 17201 final ComponentName[] set = new ComponentName[size]; 17202 for (int i = 0; i < size; i++) { 17203 final ResolveInfo candidate = homeActivities.get(i); 17204 final ActivityInfo info = candidate.activityInfo; 17205 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17206 set[i] = activityName; 17207 if (!found && activityName.equals(comp)) { 17208 found = true; 17209 } 17210 } 17211 if (!found) { 17212 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17213 + userId); 17214 } 17215 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17216 set, comp, userId); 17217 } 17218 17219 private @Nullable String getSetupWizardPackageName() { 17220 final Intent intent = new Intent(Intent.ACTION_MAIN); 17221 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17222 17223 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17224 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17225 | MATCH_DISABLED_COMPONENTS, 17226 UserHandle.myUserId()); 17227 if (matches.size() == 1) { 17228 return matches.get(0).getComponentInfo().packageName; 17229 } else { 17230 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17231 + ": matches=" + matches); 17232 return null; 17233 } 17234 } 17235 17236 @Override 17237 public void setApplicationEnabledSetting(String appPackageName, 17238 int newState, int flags, int userId, String callingPackage) { 17239 if (!sUserManager.exists(userId)) return; 17240 if (callingPackage == null) { 17241 callingPackage = Integer.toString(Binder.getCallingUid()); 17242 } 17243 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17244 } 17245 17246 @Override 17247 public void setComponentEnabledSetting(ComponentName componentName, 17248 int newState, int flags, int userId) { 17249 if (!sUserManager.exists(userId)) return; 17250 setEnabledSetting(componentName.getPackageName(), 17251 componentName.getClassName(), newState, flags, userId, null); 17252 } 17253 17254 private void setEnabledSetting(final String packageName, String className, int newState, 17255 final int flags, int userId, String callingPackage) { 17256 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17257 || newState == COMPONENT_ENABLED_STATE_ENABLED 17258 || newState == COMPONENT_ENABLED_STATE_DISABLED 17259 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17260 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17261 throw new IllegalArgumentException("Invalid new component state: " 17262 + newState); 17263 } 17264 PackageSetting pkgSetting; 17265 final int uid = Binder.getCallingUid(); 17266 final int permission; 17267 if (uid == Process.SYSTEM_UID) { 17268 permission = PackageManager.PERMISSION_GRANTED; 17269 } else { 17270 permission = mContext.checkCallingOrSelfPermission( 17271 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17272 } 17273 enforceCrossUserPermission(uid, userId, 17274 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17275 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17276 boolean sendNow = false; 17277 boolean isApp = (className == null); 17278 String componentName = isApp ? packageName : className; 17279 int packageUid = -1; 17280 ArrayList<String> components; 17281 17282 // writer 17283 synchronized (mPackages) { 17284 pkgSetting = mSettings.mPackages.get(packageName); 17285 if (pkgSetting == null) { 17286 if (className == null) { 17287 throw new IllegalArgumentException("Unknown package: " + packageName); 17288 } 17289 throw new IllegalArgumentException( 17290 "Unknown component: " + packageName + "/" + className); 17291 } 17292 // Allow root and verify that userId is not being specified by a different user 17293 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 17294 throw new SecurityException( 17295 "Permission Denial: attempt to change component state from pid=" 17296 + Binder.getCallingPid() 17297 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17298 } 17299 if (className == null) { 17300 // We're dealing with an application/package level state change 17301 if (pkgSetting.getEnabled(userId) == newState) { 17302 // Nothing to do 17303 return; 17304 } 17305 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17306 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17307 // Don't care about who enables an app. 17308 callingPackage = null; 17309 } 17310 pkgSetting.setEnabled(newState, userId, callingPackage); 17311 // pkgSetting.pkg.mSetEnabled = newState; 17312 } else { 17313 // We're dealing with a component level state change 17314 // First, verify that this is a valid class name. 17315 PackageParser.Package pkg = pkgSetting.pkg; 17316 if (pkg == null || !pkg.hasComponentClassName(className)) { 17317 if (pkg != null && 17318 pkg.applicationInfo.targetSdkVersion >= 17319 Build.VERSION_CODES.JELLY_BEAN) { 17320 throw new IllegalArgumentException("Component class " + className 17321 + " does not exist in " + packageName); 17322 } else { 17323 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17324 + className + " does not exist in " + packageName); 17325 } 17326 } 17327 switch (newState) { 17328 case COMPONENT_ENABLED_STATE_ENABLED: 17329 if (!pkgSetting.enableComponentLPw(className, userId)) { 17330 return; 17331 } 17332 break; 17333 case COMPONENT_ENABLED_STATE_DISABLED: 17334 if (!pkgSetting.disableComponentLPw(className, userId)) { 17335 return; 17336 } 17337 break; 17338 case COMPONENT_ENABLED_STATE_DEFAULT: 17339 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17340 return; 17341 } 17342 break; 17343 default: 17344 Slog.e(TAG, "Invalid new component state: " + newState); 17345 return; 17346 } 17347 } 17348 scheduleWritePackageRestrictionsLocked(userId); 17349 components = mPendingBroadcasts.get(userId, packageName); 17350 final boolean newPackage = components == null; 17351 if (newPackage) { 17352 components = new ArrayList<String>(); 17353 } 17354 if (!components.contains(componentName)) { 17355 components.add(componentName); 17356 } 17357 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17358 sendNow = true; 17359 // Purge entry from pending broadcast list if another one exists already 17360 // since we are sending one right away. 17361 mPendingBroadcasts.remove(userId, packageName); 17362 } else { 17363 if (newPackage) { 17364 mPendingBroadcasts.put(userId, packageName, components); 17365 } 17366 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17367 // Schedule a message 17368 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17369 } 17370 } 17371 } 17372 17373 long callingId = Binder.clearCallingIdentity(); 17374 try { 17375 if (sendNow) { 17376 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17377 sendPackageChangedBroadcast(packageName, 17378 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17379 } 17380 } finally { 17381 Binder.restoreCallingIdentity(callingId); 17382 } 17383 } 17384 17385 @Override 17386 public void flushPackageRestrictionsAsUser(int userId) { 17387 if (!sUserManager.exists(userId)) { 17388 return; 17389 } 17390 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17391 false /* checkShell */, "flushPackageRestrictions"); 17392 synchronized (mPackages) { 17393 mSettings.writePackageRestrictionsLPr(userId); 17394 mDirtyUsers.remove(userId); 17395 if (mDirtyUsers.isEmpty()) { 17396 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17397 } 17398 } 17399 } 17400 17401 private void sendPackageChangedBroadcast(String packageName, 17402 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17403 if (DEBUG_INSTALL) 17404 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17405 + componentNames); 17406 Bundle extras = new Bundle(4); 17407 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17408 String nameList[] = new String[componentNames.size()]; 17409 componentNames.toArray(nameList); 17410 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17411 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17412 extras.putInt(Intent.EXTRA_UID, packageUid); 17413 // If this is not reporting a change of the overall package, then only send it 17414 // to registered receivers. We don't want to launch a swath of apps for every 17415 // little component state change. 17416 final int flags = !componentNames.contains(packageName) 17417 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17418 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17419 new int[] {UserHandle.getUserId(packageUid)}); 17420 } 17421 17422 @Override 17423 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17424 if (!sUserManager.exists(userId)) return; 17425 final int uid = Binder.getCallingUid(); 17426 final int permission = mContext.checkCallingOrSelfPermission( 17427 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17428 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17429 enforceCrossUserPermission(uid, userId, 17430 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17431 // writer 17432 synchronized (mPackages) { 17433 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17434 allowedByPermission, uid, userId)) { 17435 scheduleWritePackageRestrictionsLocked(userId); 17436 } 17437 } 17438 } 17439 17440 @Override 17441 public String getInstallerPackageName(String packageName) { 17442 // reader 17443 synchronized (mPackages) { 17444 return mSettings.getInstallerPackageNameLPr(packageName); 17445 } 17446 } 17447 17448 @Override 17449 public int getApplicationEnabledSetting(String packageName, int userId) { 17450 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17451 int uid = Binder.getCallingUid(); 17452 enforceCrossUserPermission(uid, userId, 17453 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17454 // reader 17455 synchronized (mPackages) { 17456 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17457 } 17458 } 17459 17460 @Override 17461 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17462 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17463 int uid = Binder.getCallingUid(); 17464 enforceCrossUserPermission(uid, userId, 17465 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17466 // reader 17467 synchronized (mPackages) { 17468 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17469 } 17470 } 17471 17472 @Override 17473 public void enterSafeMode() { 17474 enforceSystemOrRoot("Only the system can request entering safe mode"); 17475 17476 if (!mSystemReady) { 17477 mSafeMode = true; 17478 } 17479 } 17480 17481 @Override 17482 public void systemReady() { 17483 mSystemReady = true; 17484 17485 // Read the compatibilty setting when the system is ready. 17486 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17487 mContext.getContentResolver(), 17488 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17489 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17490 if (DEBUG_SETTINGS) { 17491 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17492 } 17493 17494 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17495 17496 synchronized (mPackages) { 17497 // Verify that all of the preferred activity components actually 17498 // exist. It is possible for applications to be updated and at 17499 // that point remove a previously declared activity component that 17500 // had been set as a preferred activity. We try to clean this up 17501 // the next time we encounter that preferred activity, but it is 17502 // possible for the user flow to never be able to return to that 17503 // situation so here we do a sanity check to make sure we haven't 17504 // left any junk around. 17505 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17506 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17507 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17508 removed.clear(); 17509 for (PreferredActivity pa : pir.filterSet()) { 17510 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17511 removed.add(pa); 17512 } 17513 } 17514 if (removed.size() > 0) { 17515 for (int r=0; r<removed.size(); r++) { 17516 PreferredActivity pa = removed.get(r); 17517 Slog.w(TAG, "Removing dangling preferred activity: " 17518 + pa.mPref.mComponent); 17519 pir.removeFilter(pa); 17520 } 17521 mSettings.writePackageRestrictionsLPr( 17522 mSettings.mPreferredActivities.keyAt(i)); 17523 } 17524 } 17525 17526 for (int userId : UserManagerService.getInstance().getUserIds()) { 17527 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17528 grantPermissionsUserIds = ArrayUtils.appendInt( 17529 grantPermissionsUserIds, userId); 17530 } 17531 } 17532 } 17533 sUserManager.systemReady(); 17534 17535 // If we upgraded grant all default permissions before kicking off. 17536 for (int userId : grantPermissionsUserIds) { 17537 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17538 } 17539 17540 // Kick off any messages waiting for system ready 17541 if (mPostSystemReadyMessages != null) { 17542 for (Message msg : mPostSystemReadyMessages) { 17543 msg.sendToTarget(); 17544 } 17545 mPostSystemReadyMessages = null; 17546 } 17547 17548 // Watch for external volumes that come and go over time 17549 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17550 storage.registerListener(mStorageListener); 17551 17552 mInstallerService.systemReady(); 17553 mPackageDexOptimizer.systemReady(); 17554 17555 MountServiceInternal mountServiceInternal = LocalServices.getService( 17556 MountServiceInternal.class); 17557 mountServiceInternal.addExternalStoragePolicy( 17558 new MountServiceInternal.ExternalStorageMountPolicy() { 17559 @Override 17560 public int getMountMode(int uid, String packageName) { 17561 if (Process.isIsolated(uid)) { 17562 return Zygote.MOUNT_EXTERNAL_NONE; 17563 } 17564 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17565 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17566 } 17567 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17568 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17569 } 17570 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17571 return Zygote.MOUNT_EXTERNAL_READ; 17572 } 17573 return Zygote.MOUNT_EXTERNAL_WRITE; 17574 } 17575 17576 @Override 17577 public boolean hasExternalStorage(int uid, String packageName) { 17578 return true; 17579 } 17580 }); 17581 17582 // Now that we're mostly running, clean up stale users and apps 17583 reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 17584 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 17585 } 17586 17587 @Override 17588 public boolean isSafeMode() { 17589 return mSafeMode; 17590 } 17591 17592 @Override 17593 public boolean hasSystemUidErrors() { 17594 return mHasSystemUidErrors; 17595 } 17596 17597 static String arrayToString(int[] array) { 17598 StringBuffer buf = new StringBuffer(128); 17599 buf.append('['); 17600 if (array != null) { 17601 for (int i=0; i<array.length; i++) { 17602 if (i > 0) buf.append(", "); 17603 buf.append(array[i]); 17604 } 17605 } 17606 buf.append(']'); 17607 return buf.toString(); 17608 } 17609 17610 static class DumpState { 17611 public static final int DUMP_LIBS = 1 << 0; 17612 public static final int DUMP_FEATURES = 1 << 1; 17613 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17614 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17615 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17616 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17617 public static final int DUMP_PERMISSIONS = 1 << 6; 17618 public static final int DUMP_PACKAGES = 1 << 7; 17619 public static final int DUMP_SHARED_USERS = 1 << 8; 17620 public static final int DUMP_MESSAGES = 1 << 9; 17621 public static final int DUMP_PROVIDERS = 1 << 10; 17622 public static final int DUMP_VERIFIERS = 1 << 11; 17623 public static final int DUMP_PREFERRED = 1 << 12; 17624 public static final int DUMP_PREFERRED_XML = 1 << 13; 17625 public static final int DUMP_KEYSETS = 1 << 14; 17626 public static final int DUMP_VERSION = 1 << 15; 17627 public static final int DUMP_INSTALLS = 1 << 16; 17628 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17629 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17630 public static final int DUMP_FROZEN = 1 << 19; 17631 17632 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17633 17634 private int mTypes; 17635 17636 private int mOptions; 17637 17638 private boolean mTitlePrinted; 17639 17640 private SharedUserSetting mSharedUser; 17641 17642 public boolean isDumping(int type) { 17643 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17644 return true; 17645 } 17646 17647 return (mTypes & type) != 0; 17648 } 17649 17650 public void setDump(int type) { 17651 mTypes |= type; 17652 } 17653 17654 public boolean isOptionEnabled(int option) { 17655 return (mOptions & option) != 0; 17656 } 17657 17658 public void setOptionEnabled(int option) { 17659 mOptions |= option; 17660 } 17661 17662 public boolean onTitlePrinted() { 17663 final boolean printed = mTitlePrinted; 17664 mTitlePrinted = true; 17665 return printed; 17666 } 17667 17668 public boolean getTitlePrinted() { 17669 return mTitlePrinted; 17670 } 17671 17672 public void setTitlePrinted(boolean enabled) { 17673 mTitlePrinted = enabled; 17674 } 17675 17676 public SharedUserSetting getSharedUser() { 17677 return mSharedUser; 17678 } 17679 17680 public void setSharedUser(SharedUserSetting user) { 17681 mSharedUser = user; 17682 } 17683 } 17684 17685 @Override 17686 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17687 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17688 (new PackageManagerShellCommand(this)).exec( 17689 this, in, out, err, args, resultReceiver); 17690 } 17691 17692 @Override 17693 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17694 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17695 != PackageManager.PERMISSION_GRANTED) { 17696 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17697 + Binder.getCallingPid() 17698 + ", uid=" + Binder.getCallingUid() 17699 + " without permission " 17700 + android.Manifest.permission.DUMP); 17701 return; 17702 } 17703 17704 DumpState dumpState = new DumpState(); 17705 boolean fullPreferred = false; 17706 boolean checkin = false; 17707 17708 String packageName = null; 17709 ArraySet<String> permissionNames = null; 17710 17711 int opti = 0; 17712 while (opti < args.length) { 17713 String opt = args[opti]; 17714 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17715 break; 17716 } 17717 opti++; 17718 17719 if ("-a".equals(opt)) { 17720 // Right now we only know how to print all. 17721 } else if ("-h".equals(opt)) { 17722 pw.println("Package manager dump options:"); 17723 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17724 pw.println(" --checkin: dump for a checkin"); 17725 pw.println(" -f: print details of intent filters"); 17726 pw.println(" -h: print this help"); 17727 pw.println(" cmd may be one of:"); 17728 pw.println(" l[ibraries]: list known shared libraries"); 17729 pw.println(" f[eatures]: list device features"); 17730 pw.println(" k[eysets]: print known keysets"); 17731 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17732 pw.println(" perm[issions]: dump permissions"); 17733 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17734 pw.println(" pref[erred]: print preferred package settings"); 17735 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17736 pw.println(" prov[iders]: dump content providers"); 17737 pw.println(" p[ackages]: dump installed packages"); 17738 pw.println(" s[hared-users]: dump shared user IDs"); 17739 pw.println(" m[essages]: print collected runtime messages"); 17740 pw.println(" v[erifiers]: print package verifier info"); 17741 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17742 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17743 pw.println(" version: print database version info"); 17744 pw.println(" write: write current settings now"); 17745 pw.println(" installs: details about install sessions"); 17746 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17747 pw.println(" <package.name>: info about given package"); 17748 return; 17749 } else if ("--checkin".equals(opt)) { 17750 checkin = true; 17751 } else if ("-f".equals(opt)) { 17752 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17753 } else { 17754 pw.println("Unknown argument: " + opt + "; use -h for help"); 17755 } 17756 } 17757 17758 // Is the caller requesting to dump a particular piece of data? 17759 if (opti < args.length) { 17760 String cmd = args[opti]; 17761 opti++; 17762 // Is this a package name? 17763 if ("android".equals(cmd) || cmd.contains(".")) { 17764 packageName = cmd; 17765 // When dumping a single package, we always dump all of its 17766 // filter information since the amount of data will be reasonable. 17767 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17768 } else if ("check-permission".equals(cmd)) { 17769 if (opti >= args.length) { 17770 pw.println("Error: check-permission missing permission argument"); 17771 return; 17772 } 17773 String perm = args[opti]; 17774 opti++; 17775 if (opti >= args.length) { 17776 pw.println("Error: check-permission missing package argument"); 17777 return; 17778 } 17779 String pkg = args[opti]; 17780 opti++; 17781 int user = UserHandle.getUserId(Binder.getCallingUid()); 17782 if (opti < args.length) { 17783 try { 17784 user = Integer.parseInt(args[opti]); 17785 } catch (NumberFormatException e) { 17786 pw.println("Error: check-permission user argument is not a number: " 17787 + args[opti]); 17788 return; 17789 } 17790 } 17791 pw.println(checkPermission(perm, pkg, user)); 17792 return; 17793 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17794 dumpState.setDump(DumpState.DUMP_LIBS); 17795 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17796 dumpState.setDump(DumpState.DUMP_FEATURES); 17797 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17798 if (opti >= args.length) { 17799 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17800 | DumpState.DUMP_SERVICE_RESOLVERS 17801 | DumpState.DUMP_RECEIVER_RESOLVERS 17802 | DumpState.DUMP_CONTENT_RESOLVERS); 17803 } else { 17804 while (opti < args.length) { 17805 String name = args[opti]; 17806 if ("a".equals(name) || "activity".equals(name)) { 17807 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17808 } else if ("s".equals(name) || "service".equals(name)) { 17809 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17810 } else if ("r".equals(name) || "receiver".equals(name)) { 17811 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17812 } else if ("c".equals(name) || "content".equals(name)) { 17813 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17814 } else { 17815 pw.println("Error: unknown resolver table type: " + name); 17816 return; 17817 } 17818 opti++; 17819 } 17820 } 17821 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17822 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17823 } else if ("permission".equals(cmd)) { 17824 if (opti >= args.length) { 17825 pw.println("Error: permission requires permission name"); 17826 return; 17827 } 17828 permissionNames = new ArraySet<>(); 17829 while (opti < args.length) { 17830 permissionNames.add(args[opti]); 17831 opti++; 17832 } 17833 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17834 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17835 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17836 dumpState.setDump(DumpState.DUMP_PREFERRED); 17837 } else if ("preferred-xml".equals(cmd)) { 17838 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17839 if (opti < args.length && "--full".equals(args[opti])) { 17840 fullPreferred = true; 17841 opti++; 17842 } 17843 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17844 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17845 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17846 dumpState.setDump(DumpState.DUMP_PACKAGES); 17847 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17848 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17849 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17850 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17851 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17852 dumpState.setDump(DumpState.DUMP_MESSAGES); 17853 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17854 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17855 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17856 || "intent-filter-verifiers".equals(cmd)) { 17857 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17858 } else if ("version".equals(cmd)) { 17859 dumpState.setDump(DumpState.DUMP_VERSION); 17860 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17861 dumpState.setDump(DumpState.DUMP_KEYSETS); 17862 } else if ("installs".equals(cmd)) { 17863 dumpState.setDump(DumpState.DUMP_INSTALLS); 17864 } else if ("frozen".equals(cmd)) { 17865 dumpState.setDump(DumpState.DUMP_FROZEN); 17866 } else if ("write".equals(cmd)) { 17867 synchronized (mPackages) { 17868 mSettings.writeLPr(); 17869 pw.println("Settings written."); 17870 return; 17871 } 17872 } 17873 } 17874 17875 if (checkin) { 17876 pw.println("vers,1"); 17877 } 17878 17879 // reader 17880 synchronized (mPackages) { 17881 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17882 if (!checkin) { 17883 if (dumpState.onTitlePrinted()) 17884 pw.println(); 17885 pw.println("Database versions:"); 17886 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17887 } 17888 } 17889 17890 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17891 if (!checkin) { 17892 if (dumpState.onTitlePrinted()) 17893 pw.println(); 17894 pw.println("Verifiers:"); 17895 pw.print(" Required: "); 17896 pw.print(mRequiredVerifierPackage); 17897 pw.print(" (uid="); 17898 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17899 UserHandle.USER_SYSTEM)); 17900 pw.println(")"); 17901 } else if (mRequiredVerifierPackage != null) { 17902 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17903 pw.print(","); 17904 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17905 UserHandle.USER_SYSTEM)); 17906 } 17907 } 17908 17909 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17910 packageName == null) { 17911 if (mIntentFilterVerifierComponent != null) { 17912 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17913 if (!checkin) { 17914 if (dumpState.onTitlePrinted()) 17915 pw.println(); 17916 pw.println("Intent Filter Verifier:"); 17917 pw.print(" Using: "); 17918 pw.print(verifierPackageName); 17919 pw.print(" (uid="); 17920 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17921 UserHandle.USER_SYSTEM)); 17922 pw.println(")"); 17923 } else if (verifierPackageName != null) { 17924 pw.print("ifv,"); pw.print(verifierPackageName); 17925 pw.print(","); 17926 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17927 UserHandle.USER_SYSTEM)); 17928 } 17929 } else { 17930 pw.println(); 17931 pw.println("No Intent Filter Verifier available!"); 17932 } 17933 } 17934 17935 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17936 boolean printedHeader = false; 17937 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17938 while (it.hasNext()) { 17939 String name = it.next(); 17940 SharedLibraryEntry ent = mSharedLibraries.get(name); 17941 if (!checkin) { 17942 if (!printedHeader) { 17943 if (dumpState.onTitlePrinted()) 17944 pw.println(); 17945 pw.println("Libraries:"); 17946 printedHeader = true; 17947 } 17948 pw.print(" "); 17949 } else { 17950 pw.print("lib,"); 17951 } 17952 pw.print(name); 17953 if (!checkin) { 17954 pw.print(" -> "); 17955 } 17956 if (ent.path != null) { 17957 if (!checkin) { 17958 pw.print("(jar) "); 17959 pw.print(ent.path); 17960 } else { 17961 pw.print(",jar,"); 17962 pw.print(ent.path); 17963 } 17964 } else { 17965 if (!checkin) { 17966 pw.print("(apk) "); 17967 pw.print(ent.apk); 17968 } else { 17969 pw.print(",apk,"); 17970 pw.print(ent.apk); 17971 } 17972 } 17973 pw.println(); 17974 } 17975 } 17976 17977 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17978 if (dumpState.onTitlePrinted()) 17979 pw.println(); 17980 if (!checkin) { 17981 pw.println("Features:"); 17982 } 17983 17984 for (FeatureInfo feat : mAvailableFeatures.values()) { 17985 if (checkin) { 17986 pw.print("feat,"); 17987 pw.print(feat.name); 17988 pw.print(","); 17989 pw.println(feat.version); 17990 } else { 17991 pw.print(" "); 17992 pw.print(feat.name); 17993 if (feat.version > 0) { 17994 pw.print(" version="); 17995 pw.print(feat.version); 17996 } 17997 pw.println(); 17998 } 17999 } 18000 } 18001 18002 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 18003 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 18004 : "Activity Resolver Table:", " ", packageName, 18005 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18006 dumpState.setTitlePrinted(true); 18007 } 18008 } 18009 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 18010 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 18011 : "Receiver Resolver Table:", " ", packageName, 18012 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18013 dumpState.setTitlePrinted(true); 18014 } 18015 } 18016 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 18017 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 18018 : "Service Resolver Table:", " ", packageName, 18019 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18020 dumpState.setTitlePrinted(true); 18021 } 18022 } 18023 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 18024 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 18025 : "Provider Resolver Table:", " ", packageName, 18026 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 18027 dumpState.setTitlePrinted(true); 18028 } 18029 } 18030 18031 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 18032 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18033 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18034 int user = mSettings.mPreferredActivities.keyAt(i); 18035 if (pir.dump(pw, 18036 dumpState.getTitlePrinted() 18037 ? "\nPreferred Activities User " + user + ":" 18038 : "Preferred Activities User " + user + ":", " ", 18039 packageName, true, false)) { 18040 dumpState.setTitlePrinted(true); 18041 } 18042 } 18043 } 18044 18045 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 18046 pw.flush(); 18047 FileOutputStream fout = new FileOutputStream(fd); 18048 BufferedOutputStream str = new BufferedOutputStream(fout); 18049 XmlSerializer serializer = new FastXmlSerializer(); 18050 try { 18051 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 18052 serializer.startDocument(null, true); 18053 serializer.setFeature( 18054 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 18055 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 18056 serializer.endDocument(); 18057 serializer.flush(); 18058 } catch (IllegalArgumentException e) { 18059 pw.println("Failed writing: " + e); 18060 } catch (IllegalStateException e) { 18061 pw.println("Failed writing: " + e); 18062 } catch (IOException e) { 18063 pw.println("Failed writing: " + e); 18064 } 18065 } 18066 18067 if (!checkin 18068 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 18069 && packageName == null) { 18070 pw.println(); 18071 int count = mSettings.mPackages.size(); 18072 if (count == 0) { 18073 pw.println("No applications!"); 18074 pw.println(); 18075 } else { 18076 final String prefix = " "; 18077 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 18078 if (allPackageSettings.size() == 0) { 18079 pw.println("No domain preferred apps!"); 18080 pw.println(); 18081 } else { 18082 pw.println("App verification status:"); 18083 pw.println(); 18084 count = 0; 18085 for (PackageSetting ps : allPackageSettings) { 18086 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 18087 if (ivi == null || ivi.getPackageName() == null) continue; 18088 pw.println(prefix + "Package: " + ivi.getPackageName()); 18089 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 18090 pw.println(prefix + "Status: " + ivi.getStatusString()); 18091 pw.println(); 18092 count++; 18093 } 18094 if (count == 0) { 18095 pw.println(prefix + "No app verification established."); 18096 pw.println(); 18097 } 18098 for (int userId : sUserManager.getUserIds()) { 18099 pw.println("App linkages for user " + userId + ":"); 18100 pw.println(); 18101 count = 0; 18102 for (PackageSetting ps : allPackageSettings) { 18103 final long status = ps.getDomainVerificationStatusForUser(userId); 18104 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 18105 continue; 18106 } 18107 pw.println(prefix + "Package: " + ps.name); 18108 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 18109 String statusStr = IntentFilterVerificationInfo. 18110 getStatusStringFromValue(status); 18111 pw.println(prefix + "Status: " + statusStr); 18112 pw.println(); 18113 count++; 18114 } 18115 if (count == 0) { 18116 pw.println(prefix + "No configured app linkages."); 18117 pw.println(); 18118 } 18119 } 18120 } 18121 } 18122 } 18123 18124 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 18125 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 18126 if (packageName == null && permissionNames == null) { 18127 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 18128 if (iperm == 0) { 18129 if (dumpState.onTitlePrinted()) 18130 pw.println(); 18131 pw.println("AppOp Permissions:"); 18132 } 18133 pw.print(" AppOp Permission "); 18134 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 18135 pw.println(":"); 18136 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 18137 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 18138 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 18139 } 18140 } 18141 } 18142 } 18143 18144 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 18145 boolean printedSomething = false; 18146 for (PackageParser.Provider p : mProviders.mProviders.values()) { 18147 if (packageName != null && !packageName.equals(p.info.packageName)) { 18148 continue; 18149 } 18150 if (!printedSomething) { 18151 if (dumpState.onTitlePrinted()) 18152 pw.println(); 18153 pw.println("Registered ContentProviders:"); 18154 printedSomething = true; 18155 } 18156 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 18157 pw.print(" "); pw.println(p.toString()); 18158 } 18159 printedSomething = false; 18160 for (Map.Entry<String, PackageParser.Provider> entry : 18161 mProvidersByAuthority.entrySet()) { 18162 PackageParser.Provider p = entry.getValue(); 18163 if (packageName != null && !packageName.equals(p.info.packageName)) { 18164 continue; 18165 } 18166 if (!printedSomething) { 18167 if (dumpState.onTitlePrinted()) 18168 pw.println(); 18169 pw.println("ContentProvider Authorities:"); 18170 printedSomething = true; 18171 } 18172 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 18173 pw.print(" "); pw.println(p.toString()); 18174 if (p.info != null && p.info.applicationInfo != null) { 18175 final String appInfo = p.info.applicationInfo.toString(); 18176 pw.print(" applicationInfo="); pw.println(appInfo); 18177 } 18178 } 18179 } 18180 18181 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 18182 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 18183 } 18184 18185 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 18186 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 18187 } 18188 18189 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 18190 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 18191 } 18192 18193 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 18194 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 18195 } 18196 18197 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 18198 // XXX should handle packageName != null by dumping only install data that 18199 // the given package is involved with. 18200 if (dumpState.onTitlePrinted()) pw.println(); 18201 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 18202 } 18203 18204 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 18205 // XXX should handle packageName != null by dumping only install data that 18206 // the given package is involved with. 18207 if (dumpState.onTitlePrinted()) pw.println(); 18208 18209 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 18210 ipw.println(); 18211 ipw.println("Frozen packages:"); 18212 ipw.increaseIndent(); 18213 if (mFrozenPackages.size() == 0) { 18214 ipw.println("(none)"); 18215 } else { 18216 for (int i = 0; i < mFrozenPackages.size(); i++) { 18217 ipw.println(mFrozenPackages.valueAt(i)); 18218 } 18219 } 18220 ipw.decreaseIndent(); 18221 } 18222 18223 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 18224 if (dumpState.onTitlePrinted()) pw.println(); 18225 mSettings.dumpReadMessagesLPr(pw, dumpState); 18226 18227 pw.println(); 18228 pw.println("Package warning messages:"); 18229 BufferedReader in = null; 18230 String line = null; 18231 try { 18232 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18233 while ((line = in.readLine()) != null) { 18234 if (line.contains("ignored: updated version")) continue; 18235 pw.println(line); 18236 } 18237 } catch (IOException ignored) { 18238 } finally { 18239 IoUtils.closeQuietly(in); 18240 } 18241 } 18242 18243 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18244 BufferedReader in = null; 18245 String line = null; 18246 try { 18247 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18248 while ((line = in.readLine()) != null) { 18249 if (line.contains("ignored: updated version")) continue; 18250 pw.print("msg,"); 18251 pw.println(line); 18252 } 18253 } catch (IOException ignored) { 18254 } finally { 18255 IoUtils.closeQuietly(in); 18256 } 18257 } 18258 } 18259 } 18260 18261 private String dumpDomainString(String packageName) { 18262 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18263 .getList(); 18264 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18265 18266 ArraySet<String> result = new ArraySet<>(); 18267 if (iviList.size() > 0) { 18268 for (IntentFilterVerificationInfo ivi : iviList) { 18269 for (String host : ivi.getDomains()) { 18270 result.add(host); 18271 } 18272 } 18273 } 18274 if (filters != null && filters.size() > 0) { 18275 for (IntentFilter filter : filters) { 18276 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18277 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18278 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18279 result.addAll(filter.getHostsList()); 18280 } 18281 } 18282 } 18283 18284 StringBuilder sb = new StringBuilder(result.size() * 16); 18285 for (String domain : result) { 18286 if (sb.length() > 0) sb.append(" "); 18287 sb.append(domain); 18288 } 18289 return sb.toString(); 18290 } 18291 18292 // ------- apps on sdcard specific code ------- 18293 static final boolean DEBUG_SD_INSTALL = false; 18294 18295 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18296 18297 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18298 18299 private boolean mMediaMounted = false; 18300 18301 static String getEncryptKey() { 18302 try { 18303 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18304 SD_ENCRYPTION_KEYSTORE_NAME); 18305 if (sdEncKey == null) { 18306 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18307 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18308 if (sdEncKey == null) { 18309 Slog.e(TAG, "Failed to create encryption keys"); 18310 return null; 18311 } 18312 } 18313 return sdEncKey; 18314 } catch (NoSuchAlgorithmException nsae) { 18315 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18316 return null; 18317 } catch (IOException ioe) { 18318 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18319 return null; 18320 } 18321 } 18322 18323 /* 18324 * Update media status on PackageManager. 18325 */ 18326 @Override 18327 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18328 int callingUid = Binder.getCallingUid(); 18329 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18330 throw new SecurityException("Media status can only be updated by the system"); 18331 } 18332 // reader; this apparently protects mMediaMounted, but should probably 18333 // be a different lock in that case. 18334 synchronized (mPackages) { 18335 Log.i(TAG, "Updating external media status from " 18336 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18337 + (mediaStatus ? "mounted" : "unmounted")); 18338 if (DEBUG_SD_INSTALL) 18339 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18340 + ", mMediaMounted=" + mMediaMounted); 18341 if (mediaStatus == mMediaMounted) { 18342 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18343 : 0, -1); 18344 mHandler.sendMessage(msg); 18345 return; 18346 } 18347 mMediaMounted = mediaStatus; 18348 } 18349 // Queue up an async operation since the package installation may take a 18350 // little while. 18351 mHandler.post(new Runnable() { 18352 public void run() { 18353 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18354 } 18355 }); 18356 } 18357 18358 /** 18359 * Called by MountService when the initial ASECs to scan are available. 18360 * Should block until all the ASEC containers are finished being scanned. 18361 */ 18362 public void scanAvailableAsecs() { 18363 updateExternalMediaStatusInner(true, false, false); 18364 } 18365 18366 /* 18367 * Collect information of applications on external media, map them against 18368 * existing containers and update information based on current mount status. 18369 * Please note that we always have to report status if reportStatus has been 18370 * set to true especially when unloading packages. 18371 */ 18372 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18373 boolean externalStorage) { 18374 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18375 int[] uidArr = EmptyArray.INT; 18376 18377 final String[] list = PackageHelper.getSecureContainerList(); 18378 if (ArrayUtils.isEmpty(list)) { 18379 Log.i(TAG, "No secure containers found"); 18380 } else { 18381 // Process list of secure containers and categorize them 18382 // as active or stale based on their package internal state. 18383 18384 // reader 18385 synchronized (mPackages) { 18386 for (String cid : list) { 18387 // Leave stages untouched for now; installer service owns them 18388 if (PackageInstallerService.isStageName(cid)) continue; 18389 18390 if (DEBUG_SD_INSTALL) 18391 Log.i(TAG, "Processing container " + cid); 18392 String pkgName = getAsecPackageName(cid); 18393 if (pkgName == null) { 18394 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18395 continue; 18396 } 18397 if (DEBUG_SD_INSTALL) 18398 Log.i(TAG, "Looking for pkg : " + pkgName); 18399 18400 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18401 if (ps == null) { 18402 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18403 continue; 18404 } 18405 18406 /* 18407 * Skip packages that are not external if we're unmounting 18408 * external storage. 18409 */ 18410 if (externalStorage && !isMounted && !isExternal(ps)) { 18411 continue; 18412 } 18413 18414 final AsecInstallArgs args = new AsecInstallArgs(cid, 18415 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18416 // The package status is changed only if the code path 18417 // matches between settings and the container id. 18418 if (ps.codePathString != null 18419 && ps.codePathString.startsWith(args.getCodePath())) { 18420 if (DEBUG_SD_INSTALL) { 18421 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18422 + " at code path: " + ps.codePathString); 18423 } 18424 18425 // We do have a valid package installed on sdcard 18426 processCids.put(args, ps.codePathString); 18427 final int uid = ps.appId; 18428 if (uid != -1) { 18429 uidArr = ArrayUtils.appendInt(uidArr, uid); 18430 } 18431 } else { 18432 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18433 + ps.codePathString); 18434 } 18435 } 18436 } 18437 18438 Arrays.sort(uidArr); 18439 } 18440 18441 // Process packages with valid entries. 18442 if (isMounted) { 18443 if (DEBUG_SD_INSTALL) 18444 Log.i(TAG, "Loading packages"); 18445 loadMediaPackages(processCids, uidArr, externalStorage); 18446 startCleaningPackages(); 18447 mInstallerService.onSecureContainersAvailable(); 18448 } else { 18449 if (DEBUG_SD_INSTALL) 18450 Log.i(TAG, "Unloading packages"); 18451 unloadMediaPackages(processCids, uidArr, reportStatus); 18452 } 18453 } 18454 18455 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18456 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18457 final int size = infos.size(); 18458 final String[] packageNames = new String[size]; 18459 final int[] packageUids = new int[size]; 18460 for (int i = 0; i < size; i++) { 18461 final ApplicationInfo info = infos.get(i); 18462 packageNames[i] = info.packageName; 18463 packageUids[i] = info.uid; 18464 } 18465 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18466 finishedReceiver); 18467 } 18468 18469 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18470 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18471 sendResourcesChangedBroadcast(mediaStatus, replacing, 18472 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18473 } 18474 18475 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18476 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18477 int size = pkgList.length; 18478 if (size > 0) { 18479 // Send broadcasts here 18480 Bundle extras = new Bundle(); 18481 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18482 if (uidArr != null) { 18483 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18484 } 18485 if (replacing) { 18486 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18487 } 18488 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18489 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18490 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18491 } 18492 } 18493 18494 /* 18495 * Look at potentially valid container ids from processCids If package 18496 * information doesn't match the one on record or package scanning fails, 18497 * the cid is added to list of removeCids. We currently don't delete stale 18498 * containers. 18499 */ 18500 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18501 boolean externalStorage) { 18502 ArrayList<String> pkgList = new ArrayList<String>(); 18503 Set<AsecInstallArgs> keys = processCids.keySet(); 18504 18505 for (AsecInstallArgs args : keys) { 18506 String codePath = processCids.get(args); 18507 if (DEBUG_SD_INSTALL) 18508 Log.i(TAG, "Loading container : " + args.cid); 18509 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18510 try { 18511 // Make sure there are no container errors first. 18512 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18513 Slog.e(TAG, "Failed to mount cid : " + args.cid 18514 + " when installing from sdcard"); 18515 continue; 18516 } 18517 // Check code path here. 18518 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18519 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18520 + " does not match one in settings " + codePath); 18521 continue; 18522 } 18523 // Parse package 18524 int parseFlags = mDefParseFlags; 18525 if (args.isExternalAsec()) { 18526 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18527 } 18528 if (args.isFwdLocked()) { 18529 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18530 } 18531 18532 synchronized (mInstallLock) { 18533 PackageParser.Package pkg = null; 18534 try { 18535 // Sadly we don't know the package name yet to freeze it 18536 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 18537 SCAN_IGNORE_FROZEN, 0, null); 18538 } catch (PackageManagerException e) { 18539 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18540 } 18541 // Scan the package 18542 if (pkg != null) { 18543 /* 18544 * TODO why is the lock being held? doPostInstall is 18545 * called in other places without the lock. This needs 18546 * to be straightened out. 18547 */ 18548 // writer 18549 synchronized (mPackages) { 18550 retCode = PackageManager.INSTALL_SUCCEEDED; 18551 pkgList.add(pkg.packageName); 18552 // Post process args 18553 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18554 pkg.applicationInfo.uid); 18555 } 18556 } else { 18557 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18558 } 18559 } 18560 18561 } finally { 18562 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18563 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18564 } 18565 } 18566 } 18567 // writer 18568 synchronized (mPackages) { 18569 // If the platform SDK has changed since the last time we booted, 18570 // we need to re-grant app permission to catch any new ones that 18571 // appear. This is really a hack, and means that apps can in some 18572 // cases get permissions that the user didn't initially explicitly 18573 // allow... it would be nice to have some better way to handle 18574 // this situation. 18575 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18576 : mSettings.getInternalVersion(); 18577 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18578 : StorageManager.UUID_PRIVATE_INTERNAL; 18579 18580 int updateFlags = UPDATE_PERMISSIONS_ALL; 18581 if (ver.sdkVersion != mSdkVersion) { 18582 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18583 + mSdkVersion + "; regranting permissions for external"); 18584 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18585 } 18586 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18587 18588 // Yay, everything is now upgraded 18589 ver.forceCurrent(); 18590 18591 // can downgrade to reader 18592 // Persist settings 18593 mSettings.writeLPr(); 18594 } 18595 // Send a broadcast to let everyone know we are done processing 18596 if (pkgList.size() > 0) { 18597 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18598 } 18599 } 18600 18601 /* 18602 * Utility method to unload a list of specified containers 18603 */ 18604 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18605 // Just unmount all valid containers. 18606 for (AsecInstallArgs arg : cidArgs) { 18607 synchronized (mInstallLock) { 18608 arg.doPostDeleteLI(false); 18609 } 18610 } 18611 } 18612 18613 /* 18614 * Unload packages mounted on external media. This involves deleting package 18615 * data from internal structures, sending broadcasts about disabled packages, 18616 * gc'ing to free up references, unmounting all secure containers 18617 * corresponding to packages on external media, and posting a 18618 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18619 * that we always have to post this message if status has been requested no 18620 * matter what. 18621 */ 18622 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18623 final boolean reportStatus) { 18624 if (DEBUG_SD_INSTALL) 18625 Log.i(TAG, "unloading media packages"); 18626 ArrayList<String> pkgList = new ArrayList<String>(); 18627 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18628 final Set<AsecInstallArgs> keys = processCids.keySet(); 18629 for (AsecInstallArgs args : keys) { 18630 String pkgName = args.getPackageName(); 18631 if (DEBUG_SD_INSTALL) 18632 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18633 // Delete package internally 18634 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18635 synchronized (mInstallLock) { 18636 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18637 final boolean res; 18638 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 18639 "unloadMediaPackages")) { 18640 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 18641 null); 18642 } 18643 if (res) { 18644 pkgList.add(pkgName); 18645 } else { 18646 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18647 failedList.add(args); 18648 } 18649 } 18650 } 18651 18652 // reader 18653 synchronized (mPackages) { 18654 // We didn't update the settings after removing each package; 18655 // write them now for all packages. 18656 mSettings.writeLPr(); 18657 } 18658 18659 // We have to absolutely send UPDATED_MEDIA_STATUS only 18660 // after confirming that all the receivers processed the ordered 18661 // broadcast when packages get disabled, force a gc to clean things up. 18662 // and unload all the containers. 18663 if (pkgList.size() > 0) { 18664 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18665 new IIntentReceiver.Stub() { 18666 public void performReceive(Intent intent, int resultCode, String data, 18667 Bundle extras, boolean ordered, boolean sticky, 18668 int sendingUser) throws RemoteException { 18669 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18670 reportStatus ? 1 : 0, 1, keys); 18671 mHandler.sendMessage(msg); 18672 } 18673 }); 18674 } else { 18675 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18676 keys); 18677 mHandler.sendMessage(msg); 18678 } 18679 } 18680 18681 private void loadPrivatePackages(final VolumeInfo vol) { 18682 mHandler.post(new Runnable() { 18683 @Override 18684 public void run() { 18685 loadPrivatePackagesInner(vol); 18686 } 18687 }); 18688 } 18689 18690 private void loadPrivatePackagesInner(VolumeInfo vol) { 18691 final String volumeUuid = vol.fsUuid; 18692 if (TextUtils.isEmpty(volumeUuid)) { 18693 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18694 return; 18695 } 18696 18697 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 18698 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18699 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18700 18701 final VersionInfo ver; 18702 final List<PackageSetting> packages; 18703 synchronized (mPackages) { 18704 ver = mSettings.findOrCreateVersion(volumeUuid); 18705 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18706 } 18707 18708 for (PackageSetting ps : packages) { 18709 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 18710 synchronized (mInstallLock) { 18711 final PackageParser.Package pkg; 18712 try { 18713 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18714 loaded.add(pkg.applicationInfo); 18715 18716 } catch (PackageManagerException e) { 18717 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18718 } 18719 18720 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18721 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 18722 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 18723 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18724 } 18725 } 18726 } 18727 18728 // Reconcile app data for all started/unlocked users 18729 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18730 final UserManager um = mContext.getSystemService(UserManager.class); 18731 for (UserInfo user : um.getUsers()) { 18732 final int flags; 18733 if (um.isUserUnlocked(user.id)) { 18734 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18735 } else if (um.isUserRunning(user.id)) { 18736 flags = StorageManager.FLAG_STORAGE_DE; 18737 } else { 18738 continue; 18739 } 18740 18741 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18742 synchronized (mInstallLock) { 18743 reconcileAppsDataLI(volumeUuid, user.id, flags); 18744 } 18745 } 18746 18747 synchronized (mPackages) { 18748 int updateFlags = UPDATE_PERMISSIONS_ALL; 18749 if (ver.sdkVersion != mSdkVersion) { 18750 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18751 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18752 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18753 } 18754 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18755 18756 // Yay, everything is now upgraded 18757 ver.forceCurrent(); 18758 18759 mSettings.writeLPr(); 18760 } 18761 18762 for (PackageFreezer freezer : freezers) { 18763 freezer.close(); 18764 } 18765 18766 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18767 sendResourcesChangedBroadcast(true, false, loaded, null); 18768 } 18769 18770 private void unloadPrivatePackages(final VolumeInfo vol) { 18771 mHandler.post(new Runnable() { 18772 @Override 18773 public void run() { 18774 unloadPrivatePackagesInner(vol); 18775 } 18776 }); 18777 } 18778 18779 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18780 final String volumeUuid = vol.fsUuid; 18781 if (TextUtils.isEmpty(volumeUuid)) { 18782 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18783 return; 18784 } 18785 18786 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18787 synchronized (mInstallLock) { 18788 synchronized (mPackages) { 18789 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18790 for (PackageSetting ps : packages) { 18791 if (ps.pkg == null) continue; 18792 18793 final ApplicationInfo info = ps.pkg.applicationInfo; 18794 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 18795 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18796 18797 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 18798 "unloadPrivatePackagesInner")) { 18799 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 18800 false, null)) { 18801 unloaded.add(info); 18802 } else { 18803 Slog.w(TAG, "Failed to unload " + ps.codePath); 18804 } 18805 } 18806 } 18807 18808 mSettings.writeLPr(); 18809 } 18810 } 18811 18812 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18813 sendResourcesChangedBroadcast(false, false, unloaded, null); 18814 } 18815 18816 /** 18817 * Prepare storage areas for given user on all mounted devices. 18818 */ 18819 void prepareUserData(int userId, int userSerial, int flags) { 18820 synchronized (mInstallLock) { 18821 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18822 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18823 final String volumeUuid = vol.getFsUuid(); 18824 prepareUserDataLI(volumeUuid, userId, userSerial, flags, true); 18825 } 18826 } 18827 } 18828 18829 private void prepareUserDataLI(String volumeUuid, int userId, int userSerial, int flags, 18830 boolean allowRecover) { 18831 // Prepare storage and verify that serial numbers are consistent; if 18832 // there's a mismatch we need to destroy to avoid leaking data 18833 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18834 try { 18835 storage.prepareUserStorage(volumeUuid, userId, userSerial, flags); 18836 18837 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0 && !mOnlyCore) { 18838 UserManagerService.enforceSerialNumber( 18839 Environment.getDataUserDeDirectory(volumeUuid, userId), userSerial); 18840 } 18841 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && !mOnlyCore) { 18842 UserManagerService.enforceSerialNumber( 18843 Environment.getDataUserCeDirectory(volumeUuid, userId), userSerial); 18844 } 18845 18846 synchronized (mInstallLock) { 18847 mInstaller.createUserData(volumeUuid, userId, userSerial, flags); 18848 } 18849 } catch (Exception e) { 18850 logCriticalInfo(Log.WARN, "Destroying user " + userId + " on volume " + volumeUuid 18851 + " because we failed to prepare: " + e); 18852 destroyUserDataLI(volumeUuid, userId, 18853 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18854 18855 if (allowRecover) { 18856 // Try one last time; if we fail again we're really in trouble 18857 prepareUserDataLI(volumeUuid, userId, userSerial, flags, false); 18858 } 18859 } 18860 } 18861 18862 /** 18863 * Destroy storage areas for given user on all mounted devices. 18864 */ 18865 void destroyUserData(int userId, int flags) { 18866 synchronized (mInstallLock) { 18867 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18868 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18869 final String volumeUuid = vol.getFsUuid(); 18870 destroyUserDataLI(volumeUuid, userId, flags); 18871 } 18872 } 18873 } 18874 18875 private void destroyUserDataLI(String volumeUuid, int userId, int flags) { 18876 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18877 try { 18878 // Clean up app data, profile data, and media data 18879 mInstaller.destroyUserData(volumeUuid, userId, flags); 18880 18881 // Clean up system data 18882 if (Objects.equals(volumeUuid, StorageManager.UUID_PRIVATE_INTERNAL)) { 18883 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18884 FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId)); 18885 FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId)); 18886 } 18887 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18888 FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId)); 18889 } 18890 } 18891 18892 // Data with special labels is now gone, so finish the job 18893 storage.destroyUserStorage(volumeUuid, userId, flags); 18894 18895 } catch (Exception e) { 18896 logCriticalInfo(Log.WARN, 18897 "Failed to destroy user " + userId + " on volume " + volumeUuid + ": " + e); 18898 } 18899 } 18900 18901 /** 18902 * Examine all users present on given mounted volume, and destroy data 18903 * belonging to users that are no longer valid, or whose user ID has been 18904 * recycled. 18905 */ 18906 private void reconcileUsers(String volumeUuid) { 18907 final List<File> files = new ArrayList<>(); 18908 Collections.addAll(files, FileUtils 18909 .listFilesOrEmpty(Environment.getDataUserDeDirectory(volumeUuid))); 18910 Collections.addAll(files, FileUtils 18911 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid))); 18912 for (File file : files) { 18913 if (!file.isDirectory()) continue; 18914 18915 final int userId; 18916 final UserInfo info; 18917 try { 18918 userId = Integer.parseInt(file.getName()); 18919 info = sUserManager.getUserInfo(userId); 18920 } catch (NumberFormatException e) { 18921 Slog.w(TAG, "Invalid user directory " + file); 18922 continue; 18923 } 18924 18925 boolean destroyUser = false; 18926 if (info == null) { 18927 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18928 + " because no matching user was found"); 18929 destroyUser = true; 18930 } else if (!mOnlyCore) { 18931 try { 18932 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18933 } catch (IOException e) { 18934 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18935 + " because we failed to enforce serial number: " + e); 18936 destroyUser = true; 18937 } 18938 } 18939 18940 if (destroyUser) { 18941 synchronized (mInstallLock) { 18942 destroyUserDataLI(volumeUuid, userId, 18943 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18944 } 18945 } 18946 } 18947 } 18948 18949 private void assertPackageKnown(String volumeUuid, String packageName) 18950 throws PackageManagerException { 18951 synchronized (mPackages) { 18952 final PackageSetting ps = mSettings.mPackages.get(packageName); 18953 if (ps == null) { 18954 throw new PackageManagerException("Package " + packageName + " is unknown"); 18955 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18956 throw new PackageManagerException( 18957 "Package " + packageName + " found on unknown volume " + volumeUuid 18958 + "; expected volume " + ps.volumeUuid); 18959 } 18960 } 18961 } 18962 18963 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18964 throws PackageManagerException { 18965 synchronized (mPackages) { 18966 final PackageSetting ps = mSettings.mPackages.get(packageName); 18967 if (ps == null) { 18968 throw new PackageManagerException("Package " + packageName + " is unknown"); 18969 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18970 throw new PackageManagerException( 18971 "Package " + packageName + " found on unknown volume " + volumeUuid 18972 + "; expected volume " + ps.volumeUuid); 18973 } else if (!ps.getInstalled(userId)) { 18974 throw new PackageManagerException( 18975 "Package " + packageName + " not installed for user " + userId); 18976 } 18977 } 18978 } 18979 18980 /** 18981 * Examine all apps present on given mounted volume, and destroy apps that 18982 * aren't expected, either due to uninstallation or reinstallation on 18983 * another volume. 18984 */ 18985 private void reconcileApps(String volumeUuid) { 18986 final File[] files = FileUtils 18987 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18988 for (File file : files) { 18989 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18990 && !PackageInstallerService.isStageName(file.getName()); 18991 if (!isPackage) { 18992 // Ignore entries which are not packages 18993 continue; 18994 } 18995 18996 try { 18997 final PackageLite pkg = PackageParser.parsePackageLite(file, 18998 PackageParser.PARSE_MUST_BE_APK); 18999 assertPackageKnown(volumeUuid, pkg.packageName); 19000 19001 } catch (PackageParserException | PackageManagerException e) { 19002 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19003 synchronized (mInstallLock) { 19004 removeCodePathLI(file); 19005 } 19006 } 19007 } 19008 } 19009 19010 /** 19011 * Reconcile all app data for the given user. 19012 * <p> 19013 * Verifies that directories exist and that ownership and labeling is 19014 * correct for all installed apps on all mounted volumes. 19015 */ 19016 void reconcileAppsData(int userId, int flags) { 19017 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19018 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19019 final String volumeUuid = vol.getFsUuid(); 19020 synchronized (mInstallLock) { 19021 reconcileAppsDataLI(volumeUuid, userId, flags); 19022 } 19023 } 19024 } 19025 19026 /** 19027 * Reconcile all app data on given mounted volume. 19028 * <p> 19029 * Destroys app data that isn't expected, either due to uninstallation or 19030 * reinstallation on another volume. 19031 * <p> 19032 * Verifies that directories exist and that ownership and labeling is 19033 * correct for all installed apps. 19034 */ 19035 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags) { 19036 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 19037 + Integer.toHexString(flags)); 19038 19039 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 19040 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 19041 19042 boolean restoreconNeeded = false; 19043 19044 // First look for stale data that doesn't belong, and check if things 19045 // have changed since we did our last restorecon 19046 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19047 if (!isUserKeyUnlocked(userId)) { 19048 throw new RuntimeException( 19049 "Yikes, someone asked us to reconcile CE storage while " + userId 19050 + " was still locked; this would have caused massive data loss!"); 19051 } 19052 19053 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 19054 19055 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 19056 for (File file : files) { 19057 final String packageName = file.getName(); 19058 try { 19059 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19060 } catch (PackageManagerException e) { 19061 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19062 try { 19063 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19064 StorageManager.FLAG_STORAGE_CE, 0); 19065 } catch (InstallerException e2) { 19066 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19067 } 19068 } 19069 } 19070 } 19071 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19072 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 19073 19074 final File[] files = FileUtils.listFilesOrEmpty(deDir); 19075 for (File file : files) { 19076 final String packageName = file.getName(); 19077 try { 19078 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 19079 } catch (PackageManagerException e) { 19080 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 19081 try { 19082 mInstaller.destroyAppData(volumeUuid, packageName, userId, 19083 StorageManager.FLAG_STORAGE_DE, 0); 19084 } catch (InstallerException e2) { 19085 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 19086 } 19087 } 19088 } 19089 } 19090 19091 // Ensure that data directories are ready to roll for all packages 19092 // installed for this volume and user 19093 final List<PackageSetting> packages; 19094 synchronized (mPackages) { 19095 packages = mSettings.getVolumePackagesLPr(volumeUuid); 19096 } 19097 int preparedCount = 0; 19098 for (PackageSetting ps : packages) { 19099 final String packageName = ps.name; 19100 if (ps.pkg == null) { 19101 Slog.w(TAG, "Odd, missing scanned package " + packageName); 19102 // TODO: might be due to legacy ASEC apps; we should circle back 19103 // and reconcile again once they're scanned 19104 continue; 19105 } 19106 19107 if (ps.getInstalled(userId)) { 19108 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19109 19110 if (maybeMigrateAppDataLIF(ps.pkg, userId)) { 19111 // We may have just shuffled around app data directories, so 19112 // prepare them one more time 19113 prepareAppDataLIF(ps.pkg, userId, flags, restoreconNeeded); 19114 } 19115 19116 preparedCount++; 19117 } 19118 } 19119 19120 if (restoreconNeeded) { 19121 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19122 SELinuxMMAC.setRestoreconDone(ceDir); 19123 } 19124 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 19125 SELinuxMMAC.setRestoreconDone(deDir); 19126 } 19127 } 19128 19129 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 19130 + " packages; restoreconNeeded was " + restoreconNeeded); 19131 } 19132 19133 /** 19134 * Prepare app data for the given app just after it was installed or 19135 * upgraded. This method carefully only touches users that it's installed 19136 * for, and it forces a restorecon to handle any seinfo changes. 19137 * <p> 19138 * Verifies that directories exist and that ownership and labeling is 19139 * correct for all installed apps. If there is an ownership mismatch, it 19140 * will try recovering system apps by wiping data; third-party app data is 19141 * left intact. 19142 * <p> 19143 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 19144 */ 19145 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 19146 final PackageSetting ps; 19147 synchronized (mPackages) { 19148 ps = mSettings.mPackages.get(pkg.packageName); 19149 mSettings.writeKernelMappingLPr(ps); 19150 } 19151 19152 final UserManager um = mContext.getSystemService(UserManager.class); 19153 for (UserInfo user : um.getUsers()) { 19154 final int flags; 19155 if (um.isUserUnlocked(user.id)) { 19156 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19157 } else if (um.isUserRunning(user.id)) { 19158 flags = StorageManager.FLAG_STORAGE_DE; 19159 } else { 19160 continue; 19161 } 19162 19163 if (ps.getInstalled(user.id)) { 19164 // Whenever an app changes, force a restorecon of its data 19165 // TODO: when user data is locked, mark that we're still dirty 19166 prepareAppDataLIF(pkg, user.id, flags, true); 19167 } 19168 } 19169 } 19170 19171 /** 19172 * Prepare app data for the given app. 19173 * <p> 19174 * Verifies that directories exist and that ownership and labeling is 19175 * correct for all installed apps. If there is an ownership mismatch, this 19176 * will try recovering system apps by wiping data; third-party app data is 19177 * left intact. 19178 */ 19179 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags, 19180 boolean restoreconNeeded) { 19181 if (pkg == null) { 19182 Slog.wtf(TAG, "Package was null!", new Throwable()); 19183 return; 19184 } 19185 prepareAppDataLeafLIF(pkg, userId, flags, restoreconNeeded); 19186 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19187 for (int i = 0; i < childCount; i++) { 19188 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags, restoreconNeeded); 19189 } 19190 } 19191 19192 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags, 19193 boolean restoreconNeeded) { 19194 if (DEBUG_APP_DATA) { 19195 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 19196 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 19197 } 19198 19199 final String volumeUuid = pkg.volumeUuid; 19200 final String packageName = pkg.packageName; 19201 final ApplicationInfo app = pkg.applicationInfo; 19202 final int appId = UserHandle.getAppId(app.uid); 19203 19204 Preconditions.checkNotNull(app.seinfo); 19205 19206 try { 19207 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19208 appId, app.seinfo, app.targetSdkVersion); 19209 } catch (InstallerException e) { 19210 if (app.isSystemApp()) { 19211 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 19212 + ", but trying to recover: " + e); 19213 destroyAppDataLeafLIF(pkg, userId, flags); 19214 try { 19215 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 19216 appId, app.seinfo, app.targetSdkVersion); 19217 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 19218 } catch (InstallerException e2) { 19219 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 19220 } 19221 } else { 19222 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 19223 } 19224 } 19225 19226 if (restoreconNeeded) { 19227 try { 19228 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, 19229 app.seinfo); 19230 } catch (InstallerException e) { 19231 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 19232 } 19233 } 19234 19235 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19236 try { 19237 // CE storage is unlocked right now, so read out the inode and 19238 // remember for use later when it's locked 19239 // TODO: mark this structure as dirty so we persist it! 19240 final long ceDataInode = mInstaller.getAppDataInode(volumeUuid, packageName, userId, 19241 StorageManager.FLAG_STORAGE_CE); 19242 synchronized (mPackages) { 19243 final PackageSetting ps = mSettings.mPackages.get(packageName); 19244 if (ps != null) { 19245 ps.setCeDataInode(ceDataInode, userId); 19246 } 19247 } 19248 } catch (InstallerException e) { 19249 Slog.e(TAG, "Failed to find inode for " + packageName + ": " + e); 19250 } 19251 } 19252 19253 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19254 } 19255 19256 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 19257 if (pkg == null) { 19258 Slog.wtf(TAG, "Package was null!", new Throwable()); 19259 return; 19260 } 19261 prepareAppDataContentsLeafLIF(pkg, userId, flags); 19262 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 19263 for (int i = 0; i < childCount; i++) { 19264 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 19265 } 19266 } 19267 19268 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 19269 final String volumeUuid = pkg.volumeUuid; 19270 final String packageName = pkg.packageName; 19271 final ApplicationInfo app = pkg.applicationInfo; 19272 19273 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 19274 // Create a native library symlink only if we have native libraries 19275 // and if the native libraries are 32 bit libraries. We do not provide 19276 // this symlink for 64 bit libraries. 19277 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 19278 final String nativeLibPath = app.nativeLibraryDir; 19279 try { 19280 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 19281 nativeLibPath, userId); 19282 } catch (InstallerException e) { 19283 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 19284 } 19285 } 19286 } 19287 } 19288 19289 /** 19290 * For system apps on non-FBE devices, this method migrates any existing 19291 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 19292 * requested by the app. 19293 */ 19294 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 19295 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 19296 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 19297 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 19298 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 19299 try { 19300 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 19301 storageTarget); 19302 } catch (InstallerException e) { 19303 logCriticalInfo(Log.WARN, 19304 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 19305 } 19306 return true; 19307 } else { 19308 return false; 19309 } 19310 } 19311 19312 public PackageFreezer freezePackage(String packageName, String killReason) { 19313 return new PackageFreezer(packageName, killReason); 19314 } 19315 19316 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 19317 String killReason) { 19318 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 19319 return new PackageFreezer(); 19320 } else { 19321 return freezePackage(packageName, killReason); 19322 } 19323 } 19324 19325 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 19326 String killReason) { 19327 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 19328 return new PackageFreezer(); 19329 } else { 19330 return freezePackage(packageName, killReason); 19331 } 19332 } 19333 19334 /** 19335 * Class that freezes and kills the given package upon creation, and 19336 * unfreezes it upon closing. This is typically used when doing surgery on 19337 * app code/data to prevent the app from running while you're working. 19338 */ 19339 private class PackageFreezer implements AutoCloseable { 19340 private final String mPackageName; 19341 private final PackageFreezer[] mChildren; 19342 19343 private final boolean mWeFroze; 19344 19345 private final AtomicBoolean mClosed = new AtomicBoolean(); 19346 private final CloseGuard mCloseGuard = CloseGuard.get(); 19347 19348 /** 19349 * Create and return a stub freezer that doesn't actually do anything, 19350 * typically used when someone requested 19351 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 19352 * {@link PackageManager#DELETE_DONT_KILL_APP}. 19353 */ 19354 public PackageFreezer() { 19355 mPackageName = null; 19356 mChildren = null; 19357 mWeFroze = false; 19358 mCloseGuard.open("close"); 19359 } 19360 19361 public PackageFreezer(String packageName, String killReason) { 19362 synchronized (mPackages) { 19363 mPackageName = packageName; 19364 mWeFroze = mFrozenPackages.add(mPackageName); 19365 19366 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 19367 if (ps != null) { 19368 killApplication(ps.name, ps.appId, killReason); 19369 } 19370 19371 final PackageParser.Package p = mPackages.get(packageName); 19372 if (p != null && p.childPackages != null) { 19373 final int N = p.childPackages.size(); 19374 mChildren = new PackageFreezer[N]; 19375 for (int i = 0; i < N; i++) { 19376 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 19377 killReason); 19378 } 19379 } else { 19380 mChildren = null; 19381 } 19382 } 19383 mCloseGuard.open("close"); 19384 } 19385 19386 @Override 19387 protected void finalize() throws Throwable { 19388 try { 19389 mCloseGuard.warnIfOpen(); 19390 close(); 19391 } finally { 19392 super.finalize(); 19393 } 19394 } 19395 19396 @Override 19397 public void close() { 19398 mCloseGuard.close(); 19399 if (mClosed.compareAndSet(false, true)) { 19400 synchronized (mPackages) { 19401 if (mWeFroze) { 19402 mFrozenPackages.remove(mPackageName); 19403 } 19404 19405 if (mChildren != null) { 19406 for (PackageFreezer freezer : mChildren) { 19407 freezer.close(); 19408 } 19409 } 19410 } 19411 } 19412 } 19413 } 19414 19415 /** 19416 * Verify that given package is currently frozen. 19417 */ 19418 private void checkPackageFrozen(String packageName) { 19419 synchronized (mPackages) { 19420 if (!mFrozenPackages.contains(packageName)) { 19421 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 19422 } 19423 } 19424 } 19425 19426 @Override 19427 public int movePackage(final String packageName, final String volumeUuid) { 19428 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19429 19430 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 19431 final int moveId = mNextMoveId.getAndIncrement(); 19432 mHandler.post(new Runnable() { 19433 @Override 19434 public void run() { 19435 try { 19436 movePackageInternal(packageName, volumeUuid, moveId, user); 19437 } catch (PackageManagerException e) { 19438 Slog.w(TAG, "Failed to move " + packageName, e); 19439 mMoveCallbacks.notifyStatusChanged(moveId, 19440 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19441 } 19442 } 19443 }); 19444 return moveId; 19445 } 19446 19447 private void movePackageInternal(final String packageName, final String volumeUuid, 19448 final int moveId, UserHandle user) throws PackageManagerException { 19449 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19450 final PackageManager pm = mContext.getPackageManager(); 19451 19452 final boolean currentAsec; 19453 final String currentVolumeUuid; 19454 final File codeFile; 19455 final String installerPackageName; 19456 final String packageAbiOverride; 19457 final int appId; 19458 final String seinfo; 19459 final String label; 19460 final int targetSdkVersion; 19461 final PackageFreezer freezer; 19462 19463 // reader 19464 synchronized (mPackages) { 19465 final PackageParser.Package pkg = mPackages.get(packageName); 19466 final PackageSetting ps = mSettings.mPackages.get(packageName); 19467 if (pkg == null || ps == null) { 19468 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 19469 } 19470 19471 if (pkg.applicationInfo.isSystemApp()) { 19472 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 19473 "Cannot move system application"); 19474 } 19475 19476 if (pkg.applicationInfo.isExternalAsec()) { 19477 currentAsec = true; 19478 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 19479 } else if (pkg.applicationInfo.isForwardLocked()) { 19480 currentAsec = true; 19481 currentVolumeUuid = "forward_locked"; 19482 } else { 19483 currentAsec = false; 19484 currentVolumeUuid = ps.volumeUuid; 19485 19486 final File probe = new File(pkg.codePath); 19487 final File probeOat = new File(probe, "oat"); 19488 if (!probe.isDirectory() || !probeOat.isDirectory()) { 19489 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19490 "Move only supported for modern cluster style installs"); 19491 } 19492 } 19493 19494 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19495 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19496 "Package already moved to " + volumeUuid); 19497 } 19498 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19499 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19500 "Device admin cannot be moved"); 19501 } 19502 19503 if (mFrozenPackages.contains(packageName)) { 19504 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19505 "Failed to move already frozen package"); 19506 } 19507 19508 codeFile = new File(pkg.codePath); 19509 installerPackageName = ps.installerPackageName; 19510 packageAbiOverride = ps.cpuAbiOverrideString; 19511 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19512 seinfo = pkg.applicationInfo.seinfo; 19513 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19514 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19515 freezer = new PackageFreezer(packageName, "movePackageInternal"); 19516 } 19517 19518 final Bundle extras = new Bundle(); 19519 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19520 extras.putString(Intent.EXTRA_TITLE, label); 19521 mMoveCallbacks.notifyCreated(moveId, extras); 19522 19523 int installFlags; 19524 final boolean moveCompleteApp; 19525 final File measurePath; 19526 19527 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19528 installFlags = INSTALL_INTERNAL; 19529 moveCompleteApp = !currentAsec; 19530 measurePath = Environment.getDataAppDirectory(volumeUuid); 19531 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19532 installFlags = INSTALL_EXTERNAL; 19533 moveCompleteApp = false; 19534 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19535 } else { 19536 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19537 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19538 || !volume.isMountedWritable()) { 19539 freezer.close(); 19540 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19541 "Move location not mounted private volume"); 19542 } 19543 19544 Preconditions.checkState(!currentAsec); 19545 19546 installFlags = INSTALL_INTERNAL; 19547 moveCompleteApp = true; 19548 measurePath = Environment.getDataAppDirectory(volumeUuid); 19549 } 19550 19551 final PackageStats stats = new PackageStats(null, -1); 19552 synchronized (mInstaller) { 19553 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 19554 freezer.close(); 19555 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19556 "Failed to measure package size"); 19557 } 19558 } 19559 19560 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19561 + stats.dataSize); 19562 19563 final long startFreeBytes = measurePath.getFreeSpace(); 19564 final long sizeBytes; 19565 if (moveCompleteApp) { 19566 sizeBytes = stats.codeSize + stats.dataSize; 19567 } else { 19568 sizeBytes = stats.codeSize; 19569 } 19570 19571 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19572 freezer.close(); 19573 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19574 "Not enough free space to move"); 19575 } 19576 19577 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19578 19579 final CountDownLatch installedLatch = new CountDownLatch(1); 19580 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19581 @Override 19582 public void onUserActionRequired(Intent intent) throws RemoteException { 19583 throw new IllegalStateException(); 19584 } 19585 19586 @Override 19587 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19588 Bundle extras) throws RemoteException { 19589 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19590 + PackageManager.installStatusToString(returnCode, msg)); 19591 19592 installedLatch.countDown(); 19593 freezer.close(); 19594 19595 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19596 switch (status) { 19597 case PackageInstaller.STATUS_SUCCESS: 19598 mMoveCallbacks.notifyStatusChanged(moveId, 19599 PackageManager.MOVE_SUCCEEDED); 19600 break; 19601 case PackageInstaller.STATUS_FAILURE_STORAGE: 19602 mMoveCallbacks.notifyStatusChanged(moveId, 19603 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19604 break; 19605 default: 19606 mMoveCallbacks.notifyStatusChanged(moveId, 19607 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19608 break; 19609 } 19610 } 19611 }; 19612 19613 final MoveInfo move; 19614 if (moveCompleteApp) { 19615 // Kick off a thread to report progress estimates 19616 new Thread() { 19617 @Override 19618 public void run() { 19619 while (true) { 19620 try { 19621 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19622 break; 19623 } 19624 } catch (InterruptedException ignored) { 19625 } 19626 19627 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19628 final int progress = 10 + (int) MathUtils.constrain( 19629 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19630 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19631 } 19632 } 19633 }.start(); 19634 19635 final String dataAppName = codeFile.getName(); 19636 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19637 dataAppName, appId, seinfo, targetSdkVersion); 19638 } else { 19639 move = null; 19640 } 19641 19642 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19643 19644 final Message msg = mHandler.obtainMessage(INIT_COPY); 19645 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19646 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19647 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19648 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19649 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19650 msg.obj = params; 19651 19652 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19653 System.identityHashCode(msg.obj)); 19654 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19655 System.identityHashCode(msg.obj)); 19656 19657 mHandler.sendMessage(msg); 19658 } 19659 19660 @Override 19661 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19662 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19663 19664 final int realMoveId = mNextMoveId.getAndIncrement(); 19665 final Bundle extras = new Bundle(); 19666 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 19667 mMoveCallbacks.notifyCreated(realMoveId, extras); 19668 19669 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 19670 @Override 19671 public void onCreated(int moveId, Bundle extras) { 19672 // Ignored 19673 } 19674 19675 @Override 19676 public void onStatusChanged(int moveId, int status, long estMillis) { 19677 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 19678 } 19679 }; 19680 19681 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19682 storage.setPrimaryStorageUuid(volumeUuid, callback); 19683 return realMoveId; 19684 } 19685 19686 @Override 19687 public int getMoveStatus(int moveId) { 19688 mContext.enforceCallingOrSelfPermission( 19689 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19690 return mMoveCallbacks.mLastStatus.get(moveId); 19691 } 19692 19693 @Override 19694 public void registerMoveCallback(IPackageMoveObserver callback) { 19695 mContext.enforceCallingOrSelfPermission( 19696 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19697 mMoveCallbacks.register(callback); 19698 } 19699 19700 @Override 19701 public void unregisterMoveCallback(IPackageMoveObserver callback) { 19702 mContext.enforceCallingOrSelfPermission( 19703 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19704 mMoveCallbacks.unregister(callback); 19705 } 19706 19707 @Override 19708 public boolean setInstallLocation(int loc) { 19709 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 19710 null); 19711 if (getInstallLocation() == loc) { 19712 return true; 19713 } 19714 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 19715 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 19716 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 19717 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 19718 return true; 19719 } 19720 return false; 19721 } 19722 19723 @Override 19724 public int getInstallLocation() { 19725 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 19726 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 19727 PackageHelper.APP_INSTALL_AUTO); 19728 } 19729 19730 /** Called by UserManagerService */ 19731 void cleanUpUser(UserManagerService userManager, int userHandle) { 19732 synchronized (mPackages) { 19733 mDirtyUsers.remove(userHandle); 19734 mUserNeedsBadging.delete(userHandle); 19735 mSettings.removeUserLPw(userHandle); 19736 mPendingBroadcasts.remove(userHandle); 19737 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 19738 removeUnusedPackagesLPw(userManager, userHandle); 19739 } 19740 } 19741 19742 /** 19743 * We're removing userHandle and would like to remove any downloaded packages 19744 * that are no longer in use by any other user. 19745 * @param userHandle the user being removed 19746 */ 19747 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 19748 final boolean DEBUG_CLEAN_APKS = false; 19749 int [] users = userManager.getUserIds(); 19750 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 19751 while (psit.hasNext()) { 19752 PackageSetting ps = psit.next(); 19753 if (ps.pkg == null) { 19754 continue; 19755 } 19756 final String packageName = ps.pkg.packageName; 19757 // Skip over if system app 19758 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 19759 continue; 19760 } 19761 if (DEBUG_CLEAN_APKS) { 19762 Slog.i(TAG, "Checking package " + packageName); 19763 } 19764 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 19765 if (keep) { 19766 if (DEBUG_CLEAN_APKS) { 19767 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 19768 } 19769 } else { 19770 for (int i = 0; i < users.length; i++) { 19771 if (users[i] != userHandle && ps.getInstalled(users[i])) { 19772 keep = true; 19773 if (DEBUG_CLEAN_APKS) { 19774 Slog.i(TAG, " Keeping package " + packageName + " for user " 19775 + users[i]); 19776 } 19777 break; 19778 } 19779 } 19780 } 19781 if (!keep) { 19782 if (DEBUG_CLEAN_APKS) { 19783 Slog.i(TAG, " Removing package " + packageName); 19784 } 19785 mHandler.post(new Runnable() { 19786 public void run() { 19787 deletePackageX(packageName, userHandle, 0); 19788 } //end run 19789 }); 19790 } 19791 } 19792 } 19793 19794 /** Called by UserManagerService */ 19795 void createNewUser(int userHandle) { 19796 synchronized (mInstallLock) { 19797 mSettings.createNewUserLI(this, mInstaller, userHandle); 19798 } 19799 synchronized (mPackages) { 19800 applyFactoryDefaultBrowserLPw(userHandle); 19801 primeDomainVerificationsLPw(userHandle); 19802 } 19803 } 19804 19805 void newUserCreated(final int userHandle) { 19806 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 19807 // If permission review for legacy apps is required, we represent 19808 // dagerous permissions for such apps as always granted runtime 19809 // permissions to keep per user flag state whether review is needed. 19810 // Hence, if a new user is added we have to propagate dangerous 19811 // permission grants for these legacy apps. 19812 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 19813 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 19814 | UPDATE_PERMISSIONS_REPLACE_ALL); 19815 } 19816 } 19817 19818 @Override 19819 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 19820 mContext.enforceCallingOrSelfPermission( 19821 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 19822 "Only package verification agents can read the verifier device identity"); 19823 19824 synchronized (mPackages) { 19825 return mSettings.getVerifierDeviceIdentityLPw(); 19826 } 19827 } 19828 19829 @Override 19830 public void setPermissionEnforced(String permission, boolean enforced) { 19831 // TODO: Now that we no longer change GID for storage, this should to away. 19832 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 19833 "setPermissionEnforced"); 19834 if (READ_EXTERNAL_STORAGE.equals(permission)) { 19835 synchronized (mPackages) { 19836 if (mSettings.mReadExternalStorageEnforced == null 19837 || mSettings.mReadExternalStorageEnforced != enforced) { 19838 mSettings.mReadExternalStorageEnforced = enforced; 19839 mSettings.writeLPr(); 19840 } 19841 } 19842 // kill any non-foreground processes so we restart them and 19843 // grant/revoke the GID. 19844 final IActivityManager am = ActivityManagerNative.getDefault(); 19845 if (am != null) { 19846 final long token = Binder.clearCallingIdentity(); 19847 try { 19848 am.killProcessesBelowForeground("setPermissionEnforcement"); 19849 } catch (RemoteException e) { 19850 } finally { 19851 Binder.restoreCallingIdentity(token); 19852 } 19853 } 19854 } else { 19855 throw new IllegalArgumentException("No selective enforcement for " + permission); 19856 } 19857 } 19858 19859 @Override 19860 @Deprecated 19861 public boolean isPermissionEnforced(String permission) { 19862 return true; 19863 } 19864 19865 @Override 19866 public boolean isStorageLow() { 19867 final long token = Binder.clearCallingIdentity(); 19868 try { 19869 final DeviceStorageMonitorInternal 19870 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19871 if (dsm != null) { 19872 return dsm.isMemoryLow(); 19873 } else { 19874 return false; 19875 } 19876 } finally { 19877 Binder.restoreCallingIdentity(token); 19878 } 19879 } 19880 19881 @Override 19882 public IPackageInstaller getPackageInstaller() { 19883 return mInstallerService; 19884 } 19885 19886 private boolean userNeedsBadging(int userId) { 19887 int index = mUserNeedsBadging.indexOfKey(userId); 19888 if (index < 0) { 19889 final UserInfo userInfo; 19890 final long token = Binder.clearCallingIdentity(); 19891 try { 19892 userInfo = sUserManager.getUserInfo(userId); 19893 } finally { 19894 Binder.restoreCallingIdentity(token); 19895 } 19896 final boolean b; 19897 if (userInfo != null && userInfo.isManagedProfile()) { 19898 b = true; 19899 } else { 19900 b = false; 19901 } 19902 mUserNeedsBadging.put(userId, b); 19903 return b; 19904 } 19905 return mUserNeedsBadging.valueAt(index); 19906 } 19907 19908 @Override 19909 public KeySet getKeySetByAlias(String packageName, String alias) { 19910 if (packageName == null || alias == null) { 19911 return null; 19912 } 19913 synchronized(mPackages) { 19914 final PackageParser.Package pkg = mPackages.get(packageName); 19915 if (pkg == null) { 19916 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19917 throw new IllegalArgumentException("Unknown package: " + packageName); 19918 } 19919 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19920 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19921 } 19922 } 19923 19924 @Override 19925 public KeySet getSigningKeySet(String packageName) { 19926 if (packageName == null) { 19927 return null; 19928 } 19929 synchronized(mPackages) { 19930 final PackageParser.Package pkg = mPackages.get(packageName); 19931 if (pkg == null) { 19932 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19933 throw new IllegalArgumentException("Unknown package: " + packageName); 19934 } 19935 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19936 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19937 throw new SecurityException("May not access signing KeySet of other apps."); 19938 } 19939 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19940 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19941 } 19942 } 19943 19944 @Override 19945 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19946 if (packageName == null || ks == null) { 19947 return false; 19948 } 19949 synchronized(mPackages) { 19950 final PackageParser.Package pkg = mPackages.get(packageName); 19951 if (pkg == null) { 19952 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19953 throw new IllegalArgumentException("Unknown package: " + packageName); 19954 } 19955 IBinder ksh = ks.getToken(); 19956 if (ksh instanceof KeySetHandle) { 19957 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19958 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19959 } 19960 return false; 19961 } 19962 } 19963 19964 @Override 19965 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19966 if (packageName == null || ks == null) { 19967 return false; 19968 } 19969 synchronized(mPackages) { 19970 final PackageParser.Package pkg = mPackages.get(packageName); 19971 if (pkg == null) { 19972 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19973 throw new IllegalArgumentException("Unknown package: " + packageName); 19974 } 19975 IBinder ksh = ks.getToken(); 19976 if (ksh instanceof KeySetHandle) { 19977 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19978 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19979 } 19980 return false; 19981 } 19982 } 19983 19984 private void deletePackageIfUnusedLPr(final String packageName) { 19985 PackageSetting ps = mSettings.mPackages.get(packageName); 19986 if (ps == null) { 19987 return; 19988 } 19989 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19990 // TODO Implement atomic delete if package is unused 19991 // It is currently possible that the package will be deleted even if it is installed 19992 // after this method returns. 19993 mHandler.post(new Runnable() { 19994 public void run() { 19995 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19996 } 19997 }); 19998 } 19999 } 20000 20001 /** 20002 * Check and throw if the given before/after packages would be considered a 20003 * downgrade. 20004 */ 20005 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 20006 throws PackageManagerException { 20007 if (after.versionCode < before.mVersionCode) { 20008 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20009 "Update version code " + after.versionCode + " is older than current " 20010 + before.mVersionCode); 20011 } else if (after.versionCode == before.mVersionCode) { 20012 if (after.baseRevisionCode < before.baseRevisionCode) { 20013 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20014 "Update base revision code " + after.baseRevisionCode 20015 + " is older than current " + before.baseRevisionCode); 20016 } 20017 20018 if (!ArrayUtils.isEmpty(after.splitNames)) { 20019 for (int i = 0; i < after.splitNames.length; i++) { 20020 final String splitName = after.splitNames[i]; 20021 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 20022 if (j != -1) { 20023 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 20024 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 20025 "Update split " + splitName + " revision code " 20026 + after.splitRevisionCodes[i] + " is older than current " 20027 + before.splitRevisionCodes[j]); 20028 } 20029 } 20030 } 20031 } 20032 } 20033 } 20034 20035 private static class MoveCallbacks extends Handler { 20036 private static final int MSG_CREATED = 1; 20037 private static final int MSG_STATUS_CHANGED = 2; 20038 20039 private final RemoteCallbackList<IPackageMoveObserver> 20040 mCallbacks = new RemoteCallbackList<>(); 20041 20042 private final SparseIntArray mLastStatus = new SparseIntArray(); 20043 20044 public MoveCallbacks(Looper looper) { 20045 super(looper); 20046 } 20047 20048 public void register(IPackageMoveObserver callback) { 20049 mCallbacks.register(callback); 20050 } 20051 20052 public void unregister(IPackageMoveObserver callback) { 20053 mCallbacks.unregister(callback); 20054 } 20055 20056 @Override 20057 public void handleMessage(Message msg) { 20058 final SomeArgs args = (SomeArgs) msg.obj; 20059 final int n = mCallbacks.beginBroadcast(); 20060 for (int i = 0; i < n; i++) { 20061 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 20062 try { 20063 invokeCallback(callback, msg.what, args); 20064 } catch (RemoteException ignored) { 20065 } 20066 } 20067 mCallbacks.finishBroadcast(); 20068 args.recycle(); 20069 } 20070 20071 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 20072 throws RemoteException { 20073 switch (what) { 20074 case MSG_CREATED: { 20075 callback.onCreated(args.argi1, (Bundle) args.arg2); 20076 break; 20077 } 20078 case MSG_STATUS_CHANGED: { 20079 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 20080 break; 20081 } 20082 } 20083 } 20084 20085 private void notifyCreated(int moveId, Bundle extras) { 20086 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 20087 20088 final SomeArgs args = SomeArgs.obtain(); 20089 args.argi1 = moveId; 20090 args.arg2 = extras; 20091 obtainMessage(MSG_CREATED, args).sendToTarget(); 20092 } 20093 20094 private void notifyStatusChanged(int moveId, int status) { 20095 notifyStatusChanged(moveId, status, -1); 20096 } 20097 20098 private void notifyStatusChanged(int moveId, int status, long estMillis) { 20099 Slog.v(TAG, "Move " + moveId + " status " + status); 20100 20101 final SomeArgs args = SomeArgs.obtain(); 20102 args.argi1 = moveId; 20103 args.argi2 = status; 20104 args.arg3 = estMillis; 20105 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 20106 20107 synchronized (mLastStatus) { 20108 mLastStatus.put(moveId, status); 20109 } 20110 } 20111 } 20112 20113 private final static class OnPermissionChangeListeners extends Handler { 20114 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 20115 20116 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 20117 new RemoteCallbackList<>(); 20118 20119 public OnPermissionChangeListeners(Looper looper) { 20120 super(looper); 20121 } 20122 20123 @Override 20124 public void handleMessage(Message msg) { 20125 switch (msg.what) { 20126 case MSG_ON_PERMISSIONS_CHANGED: { 20127 final int uid = msg.arg1; 20128 handleOnPermissionsChanged(uid); 20129 } break; 20130 } 20131 } 20132 20133 public void addListenerLocked(IOnPermissionsChangeListener listener) { 20134 mPermissionListeners.register(listener); 20135 20136 } 20137 20138 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 20139 mPermissionListeners.unregister(listener); 20140 } 20141 20142 public void onPermissionsChanged(int uid) { 20143 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 20144 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 20145 } 20146 } 20147 20148 private void handleOnPermissionsChanged(int uid) { 20149 final int count = mPermissionListeners.beginBroadcast(); 20150 try { 20151 for (int i = 0; i < count; i++) { 20152 IOnPermissionsChangeListener callback = mPermissionListeners 20153 .getBroadcastItem(i); 20154 try { 20155 callback.onPermissionsChanged(uid); 20156 } catch (RemoteException e) { 20157 Log.e(TAG, "Permission listener is dead", e); 20158 } 20159 } 20160 } finally { 20161 mPermissionListeners.finishBroadcast(); 20162 } 20163 } 20164 } 20165 20166 private class PackageManagerInternalImpl extends PackageManagerInternal { 20167 @Override 20168 public void setLocationPackagesProvider(PackagesProvider provider) { 20169 synchronized (mPackages) { 20170 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 20171 } 20172 } 20173 20174 @Override 20175 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 20176 synchronized (mPackages) { 20177 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 20178 } 20179 } 20180 20181 @Override 20182 public void setSmsAppPackagesProvider(PackagesProvider provider) { 20183 synchronized (mPackages) { 20184 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 20185 } 20186 } 20187 20188 @Override 20189 public void setDialerAppPackagesProvider(PackagesProvider provider) { 20190 synchronized (mPackages) { 20191 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 20192 } 20193 } 20194 20195 @Override 20196 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 20197 synchronized (mPackages) { 20198 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 20199 } 20200 } 20201 20202 @Override 20203 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 20204 synchronized (mPackages) { 20205 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 20206 } 20207 } 20208 20209 @Override 20210 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 20211 synchronized (mPackages) { 20212 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 20213 packageName, userId); 20214 } 20215 } 20216 20217 @Override 20218 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 20219 synchronized (mPackages) { 20220 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 20221 packageName, userId); 20222 } 20223 } 20224 20225 @Override 20226 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 20227 synchronized (mPackages) { 20228 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 20229 packageName, userId); 20230 } 20231 } 20232 20233 @Override 20234 public void setKeepUninstalledPackages(final List<String> packageList) { 20235 Preconditions.checkNotNull(packageList); 20236 List<String> removedFromList = null; 20237 synchronized (mPackages) { 20238 if (mKeepUninstalledPackages != null) { 20239 final int packagesCount = mKeepUninstalledPackages.size(); 20240 for (int i = 0; i < packagesCount; i++) { 20241 String oldPackage = mKeepUninstalledPackages.get(i); 20242 if (packageList != null && packageList.contains(oldPackage)) { 20243 continue; 20244 } 20245 if (removedFromList == null) { 20246 removedFromList = new ArrayList<>(); 20247 } 20248 removedFromList.add(oldPackage); 20249 } 20250 } 20251 mKeepUninstalledPackages = new ArrayList<>(packageList); 20252 if (removedFromList != null) { 20253 final int removedCount = removedFromList.size(); 20254 for (int i = 0; i < removedCount; i++) { 20255 deletePackageIfUnusedLPr(removedFromList.get(i)); 20256 } 20257 } 20258 } 20259 } 20260 20261 @Override 20262 public boolean isPermissionsReviewRequired(String packageName, int userId) { 20263 synchronized (mPackages) { 20264 // If we do not support permission review, done. 20265 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 20266 return false; 20267 } 20268 20269 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 20270 if (packageSetting == null) { 20271 return false; 20272 } 20273 20274 // Permission review applies only to apps not supporting the new permission model. 20275 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 20276 return false; 20277 } 20278 20279 // Legacy apps have the permission and get user consent on launch. 20280 PermissionsState permissionsState = packageSetting.getPermissionsState(); 20281 return permissionsState.isPermissionReviewRequired(userId); 20282 } 20283 } 20284 20285 @Override 20286 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 20287 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 20288 } 20289 20290 @Override 20291 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20292 int userId) { 20293 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 20294 } 20295 } 20296 20297 @Override 20298 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 20299 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 20300 synchronized (mPackages) { 20301 final long identity = Binder.clearCallingIdentity(); 20302 try { 20303 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 20304 packageNames, userId); 20305 } finally { 20306 Binder.restoreCallingIdentity(identity); 20307 } 20308 } 20309 } 20310 20311 private static void enforceSystemOrPhoneCaller(String tag) { 20312 int callingUid = Binder.getCallingUid(); 20313 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 20314 throw new SecurityException( 20315 "Cannot call " + tag + " from UID " + callingUid); 20316 } 20317 } 20318 20319 boolean isHistoricalPackageUsageAvailable() { 20320 return mPackageUsage.isHistoricalPackageUsageAvailable(); 20321 } 20322 20323 /** 20324 * Return a <b>copy</b> of the collection of packages known to the package manager. 20325 * @return A copy of the values of mPackages. 20326 */ 20327 Collection<PackageParser.Package> getPackages() { 20328 synchronized (mPackages) { 20329 return new ArrayList<>(mPackages.values()); 20330 } 20331 } 20332 20333 /** 20334 * Logs process start information (including base APK hash) to the security log. 20335 * @hide 20336 */ 20337 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 20338 String apkFile, int pid) { 20339 if (!SecurityLog.isLoggingEnabled()) { 20340 return; 20341 } 20342 Bundle data = new Bundle(); 20343 data.putLong("startTimestamp", System.currentTimeMillis()); 20344 data.putString("processName", processName); 20345 data.putInt("uid", uid); 20346 data.putString("seinfo", seinfo); 20347 data.putString("apkFile", apkFile); 20348 data.putInt("pid", pid); 20349 Message msg = mProcessLoggingHandler.obtainMessage( 20350 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 20351 msg.setData(data); 20352 mProcessLoggingHandler.sendMessage(msg); 20353 } 20354} 20355